Merge "Snap for 9550355 from 06a150b9f5bfe8543115f0f1f6f45e512aef9e24 to sdk-release" into sdk-release
diff --git a/bootstat/boot_reason_test.sh b/bootstat/boot_reason_test.sh
index 299b5d4..845b303 100755
--- a/bootstat/boot_reason_test.sh
+++ b/bootstat/boot_reason_test.sh
@@ -367,8 +367,6 @@
adb logcat -b all ${timestamp} |
grep bootstat[^e] |
grep -v -F "bootstat: Service started: /system/bin/bootstat --record_boot_complete${match}
-bootstat: Failed to read /data/misc/bootstat/post_decrypt_time_elapsed: No such file or directory
-bootstat: Failed to parse boot time record: /data/misc/bootstat/post_decrypt_time_elapsed
bootstat: Service started: /system/bin/bootstat --record_boot_reason
bootstat: Service started: /system/bin/bootstat --set_system_boot_reason
bootstat: Service started: /system/bin/bootstat --record_time_since_factory_reset
@@ -388,7 +386,6 @@
init : processing action (sys.boot_completed=1 && sys.bootstat.first_boot_completed=0) from (/system/etc/init/bootstat.rc
(/system/bin/bootstat --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
(/system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
- (/system/bin/bootstat -r post_decrypt_time_elapsed)'
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_complete' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_reason' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_time_since_factory_reset' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index 589b99a..844357c 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -67,15 +67,9 @@
{"boot_complete",
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__BOOT_COMPLETE}},
- {"boot_decryption_complete",
- {android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
- android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__BOOT_COMPLETE_ENCRYPTION}},
{"boot_complete_no_encryption",
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__BOOT_COMPLETE_NO_ENCRYPTION}},
- {"boot_complete_post_decrypt",
- {android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
- android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__BOOT_COMPLETE_POST_DECRYPT}},
{"factory_reset_boot_complete",
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__FACTORY_RESET_BOOT_COMPLETE}},
@@ -83,22 +77,12 @@
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::
BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__FACTORY_RESET_BOOT_COMPLETE_NO_ENCRYPTION}},
- {"factory_reset_boot_complete_post_decrypt",
- {android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
- android::util::
- BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__FACTORY_RESET_BOOT_COMPLETE_POST_DECRYPT}},
{"ota_boot_complete",
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__OTA_BOOT_COMPLETE}},
{"ota_boot_complete_no_encryption",
{android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__OTA_BOOT_COMPLETE_NO_ENCRYPTION}},
- {"ota_boot_complete_post_decrypt",
- {android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
- android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__OTA_BOOT_COMPLETE_POST_DECRYPT}},
- {"post_decrypt_time_elapsed",
- {android::util::BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
- android::util::BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__POST_DECRYPT}},
// DURATION
{"absolute_boot_time",
{android::util::BOOT_TIME_EVENT_DURATION_REPORTED,
@@ -1313,8 +1297,7 @@
return android::base::boot_clock::now().time_since_epoch() - GetBootTimeOffset();
}
-// Records several metrics related to the time it takes to boot the device,
-// including disambiguating boot time on encrypted or non-encrypted devices.
+// Records several metrics related to the time it takes to boot the device.
void RecordBootComplete() {
BootEventRecordStore boot_event_store;
BootEventRecordStore::BootEventRecord record;
@@ -1341,25 +1324,15 @@
return;
}
- // post_decrypt_time_elapsed is only logged on encrypted devices.
- if (boot_event_store.GetBootEvent("post_decrypt_time_elapsed", &record)) {
- // Log the amount of time elapsed until the device is decrypted, which
- // includes the variable amount of time the user takes to enter the
- // decryption password.
- boot_event_store.AddBootEventWithValue("boot_decryption_complete", uptime_s.count());
+ // The *_no_encryption events are emitted unconditionally, since they are left
+ // over from a time when encryption meant "full-disk encryption". But Android
+ // now always uses file-based encryption instead of full-disk encryption. At
+ // some point, these misleading and redundant events should be removed.
+ boot_event_store.AddBootEventWithValue(boot_complete_prefix + "_no_encryption",
+ uptime_s.count());
- // Subtract the decryption time to normalize the boot cycle timing.
- std::chrono::seconds boot_complete = std::chrono::seconds(uptime_s.count() - record.second);
- boot_event_store.AddBootEventWithValue(boot_complete_prefix + "_post_decrypt",
- boot_complete.count());
- } else {
- boot_event_store.AddBootEventWithValue(boot_complete_prefix + "_no_encryption",
- uptime_s.count());
- }
-
- // Record the total time from device startup to boot complete, regardless of
- // encryption state.
- // Note: we are recording seconds here even though the field in statsd atom specifies
+ // Record the total time from device startup to boot complete. Note: we are
+ // recording seconds here even though the field in statsd atom specifies
// milliseconds.
boot_event_store.AddBootEventWithValue(boot_complete_prefix, uptime_s.count());
diff --git a/bootstat/bootstat.rc b/bootstat/bootstat.rc
index a350fe7..22bd0e7 100644
--- a/bootstat/bootstat.rc
+++ b/bootstat/bootstat.rc
@@ -33,7 +33,6 @@
chown system log /data/misc/bootstat/last_boot_time_utc
chown system log /data/misc/bootstat/ota_boot_complete
chown system log /data/misc/bootstat/ota_boot_complete_no_encryption
- chown system log /data/misc/bootstat/post_decrypt_time_elapsed
chown system log /data/misc/bootstat/ro.boottime.init
chown system log /data/misc/bootstat/ro.boottime.init.cold_boot_wait
chown system log /data/misc/bootstat/ro.boottime.init.selinux
@@ -41,15 +40,6 @@
chown system log /data/misc/bootstat/time_since_last_boot
# end ota transitional support
-# Record the time at which the user has successfully entered the pin to decrypt
-# the device, /data is decrypted, and the system is entering the main boot phase.
-#
-# post-fs-data: /data is writable
-# property:init.svc.bootanim=running: The boot animation is running
-# property:ro.crypto.type=block: FDE device
-on post-fs-data && property:init.svc.bootanim=running && property:ro.crypto.type=block
- exec_background - system log -- /system/bin/bootstat -r post_decrypt_time_elapsed
-
# Initialize bootstat state machine.
#
# sys.bootstat.first_boot_completed: responsible for making sure that record_boot_complete happens
diff --git a/code_coverage/Android.bp b/code_coverage/Android.bp
index 2cb1617..d18e7a8 100644
--- a/code_coverage/Android.bp
+++ b/code_coverage/Android.bp
@@ -24,6 +24,14 @@
},
},
},
+ riscv64: {
+ src: "empty_policy/code_coverage.riscv64.policy",
+ product_variables: {
+ native_coverage: {
+ src: "seccomp_policy/code_coverage.riscv64.policy",
+ },
+ },
+ },
x86: {
src: "empty_policy/code_coverage.x86.policy",
product_variables: {
@@ -67,6 +75,10 @@
},
},
},
+ riscv64: {
+ // riscv64 doesn't have a secondary architecture.
+ enabled: false,
+ },
x86: {
src: "empty_policy/code_coverage.x86_64.policy",
product_variables: {
diff --git a/code_coverage/empty_policy/code_coverage.riscv64.policy b/code_coverage/empty_policy/code_coverage.riscv64.policy
new file mode 100644
index 0000000..9456932
--- /dev/null
+++ b/code_coverage/empty_policy/code_coverage.riscv64.policy
@@ -0,0 +1,2 @@
+# empty unless code_coverage is enabled.
+# code_coverage.riscv64.policy
diff --git a/code_coverage/seccomp_policy/code_coverage.riscv64.policy b/code_coverage/seccomp_policy/code_coverage.riscv64.policy
new file mode 100644
index 0000000..fdb4d1e
--- /dev/null
+++ b/code_coverage/seccomp_policy/code_coverage.riscv64.policy
@@ -0,0 +1,15 @@
+close: 1
+fchmod: 1
+mkdirat: 1
+msync: 1
+munmap: 1
+openat: 1
+write: 1
+fcntl: 1
+fstat: 1
+ftruncate: 1
+geteuid: 1
+lseek: 1
+mmap: 1
+rt_sigreturn: 1
+prctl: 1
diff --git a/debuggerd/Android.bp b/debuggerd/Android.bp
index ad0231d..15b5813 100644
--- a/debuggerd/Android.bp
+++ b/debuggerd/Android.bp
@@ -14,9 +14,15 @@
"-Wno-nullability-completeness",
"-Os",
"-fno-finite-loops",
+ "-DANDROID_DEBUGGABLE=0",
],
local_include_dirs: ["include"],
+ product_variables: {
+ debuggable: {
+ cflags: ["-UANDROID_DEBUGGABLE", "-DANDROID_DEBUGGABLE=1"],
+ }
+ },
}
cc_library_headers {
@@ -204,6 +210,7 @@
header_libs: [
"bionic_libc_platform_headers",
"gwp_asan_headers",
+ "liblog_headers",
],
static_libs: [
@@ -212,7 +219,6 @@
"liblzma",
"libbase",
"libcutils",
- "liblog",
],
runtime_libs: [
"libdexfile", // libdexfile_support dependency
@@ -420,8 +426,8 @@
local_include_dirs: ["include"],
}
-cc_binary {
- name: "tombstoned",
+cc_defaults {
+ name: "tombstoned_defaults",
srcs: [
"util.cpp",
"tombstoned/intercept_manager.cpp",
@@ -440,10 +446,20 @@
"libevent",
"liblog",
],
+}
+cc_binary {
+ name: "tombstoned",
+ defaults: ["tombstoned_defaults"],
init_rc: ["tombstoned/tombstoned.rc"],
}
+cc_binary {
+ name: "tombstoned.microdroid",
+ defaults: ["tombstoned_defaults"],
+ init_rc: ["tombstoned/tombstoned.microdroid.rc"],
+}
+
prebuilt_etc {
name: "crash_dump.policy",
sub_dir: "seccomp_policy",
@@ -451,25 +467,36 @@
arch: {
arm: {
src: "seccomp_policy/crash_dump.arm.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
arm64: {
src: "seccomp_policy/crash_dump.arm64.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
+ },
+ riscv64: {
+ src: "seccomp_policy/crash_dump.riscv64.policy",
},
x86: {
src: "seccomp_policy/crash_dump.x86.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
x86_64: {
src: "seccomp_policy/crash_dump.x86_64.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
},
- required: [
- "crash_dump.policy_other",
- ],
}
-// NB -- this installs "the other" architecture. (puts 32 bit config in on 64 bit device)
-// or at least that is the intention so that we get both of them populated
+// This installs the "other" architecture (so 32-bit on 64-bit device).
prebuilt_etc {
name: "crash_dump.policy_other",
sub_dir: "seccomp_policy",
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index e3ea455..70f333e 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -23,7 +23,6 @@
#include <sys/types.h>
#include <sys/un.h>
#include <sys/wait.h>
-#include <syscall.h>
#include <unistd.h>
#include <limits>
@@ -304,6 +303,7 @@
process_info->scudo_stack_depot = crash_info->data.d.scudo_stack_depot;
process_info->scudo_region_info = crash_info->data.d.scudo_region_info;
process_info->scudo_ring_buffer = crash_info->data.d.scudo_ring_buffer;
+ process_info->scudo_ring_buffer_size = crash_info->data.d.scudo_ring_buffer_size;
FALLTHROUGH_INTENDED;
case 1:
case 2:
diff --git a/debuggerd/crasher/Android.bp b/debuggerd/crasher/Android.bp
index 799163e..fe1689c 100644
--- a/debuggerd/crasher/Android.bp
+++ b/debuggerd/crasher/Android.bp
@@ -15,18 +15,18 @@
"-fstack-protector-all",
"-Wno-date-time",
],
+ tidy: false, // crasher.cpp tests many memory access errors
srcs: ["crasher.cpp"],
arch: {
arm: {
srcs: ["arm/crashglue.S"],
-
- neon: {
- asflags: ["-DHAS_VFP_D32"],
- },
},
arm64: {
srcs: ["arm64/crashglue.S"],
},
+ riscv64: {
+ srcs: ["riscv64/crashglue.S"],
+ },
x86: {
srcs: ["x86/crashglue.S"],
},
diff --git a/debuggerd/crasher/arm/crashglue.S b/debuggerd/crasher/arm/crashglue.S
index 4fbfd6e..8649056 100644
--- a/debuggerd/crasher/arm/crashglue.S
+++ b/debuggerd/crasher/arm/crashglue.S
@@ -32,7 +32,6 @@
fconstd d13, #13
fconstd d14, #14
fconstd d15, #15
-#if defined(HAS_VFP_D32)
fconstd d16, #16
fconstd d17, #17
fconstd d18, #18
@@ -49,7 +48,6 @@
fconstd d29, #29
fconstd d30, #30
fconstd d31, #31
-#endif
mov lr, #0
ldr lr, [lr]
diff --git a/debuggerd/crasher/crasher.cpp b/debuggerd/crasher/crasher.cpp
index 55490b5..4eb7382 100644
--- a/debuggerd/crasher/crasher.cpp
+++ b/debuggerd/crasher/crasher.cpp
@@ -303,6 +303,8 @@
__asm__ volatile(".word 0xe7f0def0\n");
#elif defined(__i386__) || defined(__x86_64__)
__asm__ volatile("ud2\n");
+#elif defined(__riscv)
+ __asm__ volatile("unimp\n");
#else
#error
#endif
diff --git a/debuggerd/crasher/riscv64/crashglue.S b/debuggerd/crasher/riscv64/crashglue.S
new file mode 100644
index 0000000..47dd93b
--- /dev/null
+++ b/debuggerd/crasher/riscv64/crashglue.S
@@ -0,0 +1,45 @@
+
+ .globl crash1
+ .globl crashnostack
+
+crash1:
+ li x0,0xdead0000+0
+ li x1,0xdead0000+1
+ li x2,0xdead0000+2
+ li x3,0xdead0000+3
+ li x4,0xdead0000+4
+ li x5,0xdead0000+5
+ li x6,0xdead0000+6
+ li x7,0xdead0000+7
+ li x8,0xdead0000+8
+ li x9,0xdead0000+9
+ li x10,0xdead0000+10
+ li x11,0xdead0000+11
+ li x12,0xdead0000+12
+ li x13,0xdead0000+13
+ li x14,0xdead0000+14
+ li x15,0xdead0000+15
+ li x16,0xdead0000+16
+ li x17,0xdead0000+17
+ li x18,0xdead0000+18
+ li x19,0xdead0000+19
+ li x20,0xdead0000+20
+ li x21,0xdead0000+21
+ li x22,0xdead0000+22
+ li x23,0xdead0000+23
+ li x24,0xdead0000+24
+ li x25,0xdead0000+25
+ li x26,0xdead0000+26
+ li x27,0xdead0000+27
+ li x28,0xdead0000+28
+ # don't trash the stack otherwise the signal handler won't run
+ #li $29,0xdead0000+29
+ li x30,0xdead0000+30
+ li x31,0xdead0000+31
+
+ j .
+
+
+crashnostack:
+ li sp, 0
+ j .
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index ed90ab4..9c1b136 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -406,10 +406,10 @@
result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x[01]00000000000dead)");
}
-// Marked as weak to prevent the compiler from removing the malloc in the caller. In theory, the
-// compiler could still clobber the argument register before trapping, but that's unlikely.
-__attribute__((weak)) void CrasherTest::Trap(void* ptr ATTRIBUTE_UNUSED) {
- __builtin_trap();
+void CrasherTest::Trap(void* ptr) {
+ void (*volatile f)(void*) = nullptr;
+ __asm__ __volatile__("" : : "r"(f) : "memory");
+ f(ptr);
}
TEST_F(CrasherTest, heap_addr_in_register) {
@@ -445,6 +445,8 @@
ASSERT_MATCH(result, "memory near x0 \\(\\[anon:");
#elif defined(__arm__)
ASSERT_MATCH(result, "memory near r0 \\(\\[anon:");
+#elif defined(__riscv)
+ ASSERT_MATCH(result, "memory near a0 \\(\\[anon:");
#elif defined(__x86_64__)
ASSERT_MATCH(result, "memory near rdi \\(\\[anon:");
#else
@@ -828,7 +830,7 @@
StartIntercept(&output_fd);
FinishCrasher();
- AssertDeath(SIGTRAP);
+ AssertDeath(SIGSEGV);
FinishIntercept(&intercept_result);
ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
@@ -1403,7 +1405,7 @@
// We can't actually generate a backtrace, just make sure that the process terminates.
}
-__attribute__((noinline)) extern "C" bool raise_debugger_signal(DebuggerdDumpType dump_type) {
+__attribute__((__noinline__)) extern "C" bool raise_debugger_signal(DebuggerdDumpType dump_type) {
siginfo_t siginfo;
siginfo.si_code = SI_QUEUE;
siginfo.si_pid = getpid();
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index 92e7675..7120d73 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -24,6 +24,7 @@
#include <sched.h>
#include <signal.h>
#include <stddef.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -51,7 +52,6 @@
#include "handler/fallback.h"
-using ::android::base::GetBoolProperty;
using ::android::base::ParseBool;
using ::android::base::ParseBoolResult;
using ::android::base::Pipe;
@@ -87,10 +87,31 @@
return syscall(__NR_gettid);
}
+static bool property_parse_bool(const char* name) {
+ const prop_info* pi = __system_property_find(name);
+ if (!pi) return false;
+ bool cookie = false;
+ __system_property_read_callback(
+ pi,
+ [](void* cookie, const char*, const char* value, uint32_t) {
+ *reinterpret_cast<bool*>(cookie) = ParseBool(value) == ParseBoolResult::kTrue;
+ },
+ &cookie);
+ return cookie;
+}
+
static bool is_permissive_mte() {
// Environment variable for testing or local use from shell.
char* permissive_env = getenv("MTE_PERMISSIVE");
- return GetBoolProperty("persist.sys.mte.permissive", false) ||
+ char process_sysprop_name[512];
+ async_safe_format_buffer(process_sysprop_name, sizeof(process_sysprop_name),
+ "persist.device_config.memory_safety_native.permissive.process.%s",
+ getprogname());
+ // DO NOT REPLACE this with GetBoolProperty. That uses std::string which allocates, so it is
+ // not async-safe (and this functiong gets used in a signal handler).
+ return property_parse_bool("persist.sys.mte.permissive") ||
+ property_parse_bool("persist.device_config.memory_safety_native.permissive.default") ||
+ property_parse_bool(process_sysprop_name) ||
(permissive_env && ParseBool(permissive_env) == ParseBoolResult::kTrue);
}
@@ -166,27 +187,29 @@
* mutex is being held, so we don't want to use any libc functions that
* could allocate memory or hold a lock.
*/
-static void log_signal_summary(const siginfo_t* info) {
+static void log_signal_summary(const siginfo_t* si) {
char main_thread_name[MAX_TASK_NAME_LEN + 1];
if (!get_main_thread_name(main_thread_name, sizeof(main_thread_name))) {
strncpy(main_thread_name, "<unknown>", sizeof(main_thread_name));
}
- if (info->si_signo == BIONIC_SIGNAL_DEBUGGER) {
+ if (si->si_signo == BIONIC_SIGNAL_DEBUGGER) {
async_safe_format_log(ANDROID_LOG_INFO, "libc", "Requested dump for pid %d (%s)", __getpid(),
main_thread_name);
return;
}
- // Many signals don't have an address or sender.
- char addr_desc[32] = ""; // ", fault addr 0x1234"
- if (signal_has_si_addr(info)) {
- async_safe_format_buffer(addr_desc, sizeof(addr_desc), ", fault addr %p", info->si_addr);
- }
+ // Many signals don't have a sender or extra detail, but some do...
pid_t self_pid = __getpid();
char sender_desc[32] = {}; // " from pid 1234, uid 666"
- if (signal_has_sender(info, self_pid)) {
- get_signal_sender(sender_desc, sizeof(sender_desc), info);
+ if (signal_has_sender(si, self_pid)) {
+ get_signal_sender(sender_desc, sizeof(sender_desc), si);
+ }
+ char extra_desc[32] = {}; // ", fault addr 0x1234" or ", syscall 1234"
+ if (si->si_signo == SIGSYS && si->si_code == SYS_SECCOMP) {
+ async_safe_format_buffer(extra_desc, sizeof(extra_desc), ", syscall %d", si->si_syscall);
+ } else if (signal_has_si_addr(si)) {
+ async_safe_format_buffer(extra_desc, sizeof(extra_desc), ", fault addr %p", si->si_addr);
}
char thread_name[MAX_TASK_NAME_LEN + 1]; // one more for termination
@@ -200,8 +223,8 @@
async_safe_format_log(ANDROID_LOG_FATAL, "libc",
"Fatal signal %d (%s), code %d (%s%s)%s in tid %d (%s), pid %d (%s)",
- info->si_signo, get_signame(info), info->si_code, get_sigcode(info),
- sender_desc, addr_desc, __gettid(), thread_name, self_pid, main_thread_name);
+ si->si_signo, get_signame(si), si->si_code, get_sigcode(si), sender_desc,
+ extra_desc, __gettid(), thread_name, self_pid, main_thread_name);
}
/*
@@ -350,12 +373,30 @@
{.iov_base = thread_info->ucontext, .iov_len = sizeof(ucontext_t)},
};
+ constexpr size_t kHeaderSize = sizeof(version) + sizeof(siginfo_t) + sizeof(ucontext_t);
+
if (thread_info->process_info.fdsan_table) {
// Dynamic executables always use version 4. There is no need to increment the version number if
// the format changes, because the sender (linker) and receiver (crash_dump) are version locked.
version = 4;
expected = sizeof(CrashInfoHeader) + sizeof(CrashInfoDataDynamic);
+ static_assert(sizeof(CrashInfoHeader) + sizeof(CrashInfoDataDynamic) ==
+ kHeaderSize + sizeof(thread_info->process_info),
+ "Wire protocol structs do not match the data sent.");
+#define ASSERT_SAME_OFFSET(MEMBER1, MEMBER2) \
+ static_assert(sizeof(CrashInfoHeader) + offsetof(CrashInfoDataDynamic, MEMBER1) == \
+ kHeaderSize + offsetof(debugger_process_info, MEMBER2), \
+ "Wire protocol offset does not match data sent: " #MEMBER1);
+ ASSERT_SAME_OFFSET(fdsan_table_address, fdsan_table);
+ ASSERT_SAME_OFFSET(gwp_asan_state, gwp_asan_state);
+ ASSERT_SAME_OFFSET(gwp_asan_metadata, gwp_asan_metadata);
+ ASSERT_SAME_OFFSET(scudo_stack_depot, scudo_stack_depot);
+ ASSERT_SAME_OFFSET(scudo_region_info, scudo_region_info);
+ ASSERT_SAME_OFFSET(scudo_ring_buffer, scudo_ring_buffer);
+ ASSERT_SAME_OFFSET(scudo_ring_buffer_size, scudo_ring_buffer_size);
+#undef ASSERT_SAME_OFFSET
+
iovs[3] = {.iov_base = &thread_info->process_info,
.iov_len = sizeof(thread_info->process_info)};
} else {
@@ -363,6 +404,10 @@
version = 1;
expected = sizeof(CrashInfoHeader) + sizeof(CrashInfoDataStatic);
+ static_assert(
+ sizeof(CrashInfoHeader) + sizeof(CrashInfoDataStatic) == kHeaderSize + sizeof(uintptr_t),
+ "Wire protocol structs do not match the data sent.");
+
iovs[3] = {.iov_base = &thread_info->process_info.abort_msg, .iov_len = sizeof(uintptr_t)};
}
errno = 0;
@@ -623,6 +668,18 @@
async_safe_format_log(ANDROID_LOG_ERROR, "libc",
"MTE ERROR DETECTED BUT RUNNING IN PERMISSIVE MODE. CONTINUING.");
pthread_mutex_unlock(&crash_mutex);
+ } else if (info->si_signo == SIGSEGV && info->si_code == SEGV_MTEAERR && getppid() == 1) {
+ // Back channel to init (see system/core/init/service.cpp) to signal that
+ // this process crashed due to an ASYNC MTE fault and should be considered
+ // for upgrade to SYNC mode. We are re-using the ART profiler signal, which
+ // is always handled (ignored in native processes, handled for generating a
+ // dump in ART processes), so a process will never crash from this signal
+ // except from here.
+ // The kernel is not particularly receptive to adding this information:
+ // https://lore.kernel.org/all/20220909180617.374238-1-fmayer@google.com/, so we work around
+ // like this.
+ info->si_signo = BIONIC_SIGNAL_ART_PROFILER;
+ resend_signal(info);
}
#endif
else {
diff --git a/debuggerd/include/debuggerd/handler.h b/debuggerd/include/debuggerd/handler.h
index bc08327..1f9f4e2 100644
--- a/debuggerd/include/debuggerd/handler.h
+++ b/debuggerd/include/debuggerd/handler.h
@@ -43,6 +43,7 @@
const char* scudo_stack_depot;
const char* scudo_region_info;
const char* scudo_ring_buffer;
+ size_t scudo_ring_buffer_size;
};
// These callbacks are called in a signal handler, and thus must be async signal safe.
@@ -62,10 +63,11 @@
#define DEBUGGER_SIGNAL BIONIC_SIGNAL_DEBUGGER
static void __attribute__((__unused__)) debuggerd_register_handlers(struct sigaction* action) {
+ bool enabled = true;
+#if ANDROID_DEBUGGABLE
char value[PROP_VALUE_MAX] = "";
- bool enabled =
- !(__system_property_get("ro.debuggable", value) > 0 && !strcmp(value, "1") &&
- __system_property_get("debug.debuggerd.disable", value) > 0 && !strcmp(value, "1"));
+ enabled = !(__system_property_get("debug.debuggerd.disable", value) > 0 && !strcmp(value, "1"));
+#endif
if (enabled) {
sigaction(SIGABRT, action, nullptr);
sigaction(SIGBUS, action, nullptr);
diff --git a/debuggerd/libdebuggerd/gwp_asan.cpp b/debuggerd/libdebuggerd/gwp_asan.cpp
index d8f74e0..26084dc 100644
--- a/debuggerd/libdebuggerd/gwp_asan.cpp
+++ b/debuggerd/libdebuggerd/gwp_asan.cpp
@@ -88,7 +88,7 @@
thread_id_ = thread_info.tid;
// Grab the internal error address, if it exists.
- uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_);
+ uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_, crash_address_);
if (internal_crash_address) {
crash_address_ = internal_crash_address;
}
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/types.h b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
index a51e276..5a2a7ab 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/types.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
@@ -50,6 +50,7 @@
uintptr_t scudo_stack_depot = 0;
uintptr_t scudo_region_info = 0;
uintptr_t scudo_ring_buffer = 0;
+ size_t scudo_ring_buffer_size = 0;
bool has_fault_address = false;
uintptr_t untagged_fault_address = 0;
diff --git a/debuggerd/libdebuggerd/scudo.cpp b/debuggerd/libdebuggerd/scudo.cpp
index 5d861f8..5a62fe1 100644
--- a/debuggerd/libdebuggerd/scudo.cpp
+++ b/debuggerd/libdebuggerd/scudo.cpp
@@ -44,9 +44,12 @@
__scudo_get_stack_depot_size());
auto region_info = AllocAndReadFully(process_memory, process_info.scudo_region_info,
__scudo_get_region_info_size());
- auto ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
- __scudo_get_ring_buffer_size());
- if (!stack_depot || !region_info || !ring_buffer) {
+ std::unique_ptr<char[]> ring_buffer;
+ if (process_info.scudo_ring_buffer_size != 0) {
+ ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
+ process_info.scudo_ring_buffer_size);
+ }
+ if (!stack_depot || !region_info) {
return;
}
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index e5b4d74..375ed8a 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -77,9 +77,9 @@
.registers = std::move(regs), .uid = uid, .tid = target_tid,
.thread_name = std::move(thread_name), .pid = pid, .command_line = std::move(command_line),
.selinux_label = std::move(selinux_label), .siginfo = siginfo,
-#if defined(__aarch64__)
// Only supported on aarch64 for now.
- .tagged_addr_ctrl = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0),
+#if defined(__aarch64__)
+ .tagged_addr_ctrl = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0),
.pac_enabled_keys = prctl(PR_PAC_GET_ENABLED_KEYS, 0, 0, 0, 0),
#endif
};
@@ -88,7 +88,6 @@
if (target_tid == tid) {
return;
}
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "Adding thread %d", tid);
threads[tid] = ThreadInfo{
.uid = thread.uid,
.tid = tid,
diff --git a/debuggerd/libdebuggerd/tombstone_proto.cpp b/debuggerd/libdebuggerd/tombstone_proto.cpp
index 159ebc8..9a565de 100644
--- a/debuggerd/libdebuggerd/tombstone_proto.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto.cpp
@@ -82,6 +82,8 @@
return Architecture::X86;
#elif defined(__x86_64__)
return Architecture::X86_64;
+#elif defined(__riscv) && (__riscv_xlen == 64)
+ return Architecture::RISCV64;
#else
#error Unknown architecture!
#endif
diff --git a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
index 0265641..a05bcec 100644
--- a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
@@ -47,6 +47,8 @@
return "arm";
case Architecture::ARM64:
return "arm64";
+ case Architecture::RISCV64:
+ return "riscv64";
case Architecture::X86:
return "x86";
case Architecture::X86_64:
@@ -62,6 +64,8 @@
return 4;
case Architecture::ARM64:
return 8;
+ case Architecture::RISCV64:
+ return 8;
case Architecture::X86:
return 4;
case Architecture::X86_64:
@@ -119,6 +123,10 @@
special_registers = {"ip", "lr", "sp", "pc", "pst"};
break;
+ case Architecture::RISCV64:
+ special_registers = {"ra", "sp", "pc"};
+ break;
+
case Architecture::X86:
special_registers = {"ebp", "esp", "eip"};
break;
@@ -295,86 +303,8 @@
}
}
-static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
- const Thread& thread) {
+static void print_memory_maps(CallbackType callback, const Tombstone& tombstone) {
int word_size = pointer_width(tombstone);
- print_thread_header(callback, tombstone, thread, true);
-
- const Signal& signal_info = tombstone.signal_info();
- std::string sender_desc;
-
- if (signal_info.has_sender()) {
- sender_desc =
- StringPrintf(" from pid %d, uid %d", signal_info.sender_pid(), signal_info.sender_uid());
- }
-
- if (!tombstone.has_signal_info()) {
- CBL("signal information missing");
- } else {
- std::string fault_addr_desc;
- if (signal_info.has_fault_address()) {
- fault_addr_desc = StringPrintf("0x%0*" PRIx64, 2 * word_size, signal_info.fault_address());
- } else {
- fault_addr_desc = "--------";
- }
-
- CBL("signal %d (%s), code %d (%s%s), fault addr %s", signal_info.number(),
- signal_info.name().c_str(), signal_info.code(), signal_info.code_name().c_str(),
- sender_desc.c_str(), fault_addr_desc.c_str());
- }
-
- if (tombstone.causes_size() == 1) {
- CBL("Cause: %s", tombstone.causes(0).human_readable().c_str());
- }
-
- if (!tombstone.abort_message().empty()) {
- CBL("Abort message: '%s'", tombstone.abort_message().c_str());
- }
-
- print_thread_registers(callback, tombstone, thread, true);
- print_thread_backtrace(callback, tombstone, thread, true);
-
- if (tombstone.causes_size() > 1) {
- CBS("");
- CBL("Note: multiple potential causes for this crash were detected, listing them in decreasing "
- "order of likelihood.");
- }
-
- for (const Cause& cause : tombstone.causes()) {
- if (tombstone.causes_size() > 1) {
- CBS("");
- CBL("Cause: %s", cause.human_readable().c_str());
- }
-
- if (cause.has_memory_error() && cause.memory_error().has_heap()) {
- const HeapObject& heap_object = cause.memory_error().heap();
-
- if (heap_object.deallocation_backtrace_size() != 0) {
- CBS("");
- CBL("deallocated by thread %" PRIu64 ":", heap_object.deallocation_tid());
- print_backtrace(callback, tombstone, heap_object.deallocation_backtrace(), true);
- }
-
- if (heap_object.allocation_backtrace_size() != 0) {
- CBS("");
- CBL("allocated by thread %" PRIu64 ":", heap_object.allocation_tid());
- print_backtrace(callback, tombstone, heap_object.allocation_backtrace(), true);
- }
- }
- }
-
- print_tag_dump(callback, tombstone);
-
- print_thread_memory_dump(callback, tombstone, thread);
-
- CBS("");
-
- // No memory maps to print.
- if (tombstone.memory_mappings().empty()) {
- CBS("No memory maps found");
- return;
- }
-
const auto format_pointer = [word_size](uint64_t ptr) -> std::string {
if (word_size == 8) {
uint64_t top = ptr >> 32;
@@ -389,6 +319,7 @@
StringPrintf("memory map (%d %s):", tombstone.memory_mappings().size(),
tombstone.memory_mappings().size() == 1 ? "entry" : "entries");
+ const Signal& signal_info = tombstone.signal_info();
bool has_fault_address = signal_info.has_fault_address();
uint64_t fault_address = untag_address(signal_info.fault_address());
bool preamble_printed = false;
@@ -448,6 +379,106 @@
}
}
+static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
+ const Thread& thread) {
+ print_thread_header(callback, tombstone, thread, true);
+
+ const Signal& signal_info = tombstone.signal_info();
+ std::string sender_desc;
+
+ if (signal_info.has_sender()) {
+ sender_desc =
+ StringPrintf(" from pid %d, uid %d", signal_info.sender_pid(), signal_info.sender_uid());
+ }
+
+ bool is_async_mte_crash = false;
+ bool is_mte_crash = false;
+ if (!tombstone.has_signal_info()) {
+ CBL("signal information missing");
+ } else {
+ std::string fault_addr_desc;
+ if (signal_info.has_fault_address()) {
+ fault_addr_desc =
+ StringPrintf("0x%0*" PRIx64, 2 * pointer_width(tombstone), signal_info.fault_address());
+ } else {
+ fault_addr_desc = "--------";
+ }
+
+ CBL("signal %d (%s), code %d (%s%s), fault addr %s", signal_info.number(),
+ signal_info.name().c_str(), signal_info.code(), signal_info.code_name().c_str(),
+ sender_desc.c_str(), fault_addr_desc.c_str());
+#ifdef SEGV_MTEAERR
+ is_async_mte_crash = signal_info.number() == SIGSEGV && signal_info.code() == SEGV_MTEAERR;
+ is_mte_crash = is_async_mte_crash ||
+ (signal_info.number() == SIGSEGV && signal_info.code() == SEGV_MTESERR);
+#endif
+ }
+
+ if (tombstone.causes_size() == 1) {
+ CBL("Cause: %s", tombstone.causes(0).human_readable().c_str());
+ }
+
+ if (!tombstone.abort_message().empty()) {
+ CBL("Abort message: '%s'", tombstone.abort_message().c_str());
+ }
+
+ print_thread_registers(callback, tombstone, thread, true);
+ if (is_async_mte_crash) {
+ CBL("Note: This crash is a delayed async MTE crash. Memory corruption has occurred");
+ CBL(" in this process. The stack trace below is the first system call or context");
+ CBL(" switch that was executed after the memory corruption happened.");
+ }
+ print_thread_backtrace(callback, tombstone, thread, true);
+
+ if (tombstone.causes_size() > 1) {
+ CBS("");
+ CBL("Note: multiple potential causes for this crash were detected, listing them in decreasing "
+ "order of likelihood.");
+ }
+
+ for (const Cause& cause : tombstone.causes()) {
+ if (tombstone.causes_size() > 1) {
+ CBS("");
+ CBL("Cause: %s", cause.human_readable().c_str());
+ }
+
+ if (cause.has_memory_error() && cause.memory_error().has_heap()) {
+ const HeapObject& heap_object = cause.memory_error().heap();
+
+ if (heap_object.deallocation_backtrace_size() != 0) {
+ CBS("");
+ CBL("deallocated by thread %" PRIu64 ":", heap_object.deallocation_tid());
+ print_backtrace(callback, tombstone, heap_object.deallocation_backtrace(), true);
+ }
+
+ if (heap_object.allocation_backtrace_size() != 0) {
+ CBS("");
+ CBL("allocated by thread %" PRIu64 ":", heap_object.allocation_tid());
+ print_backtrace(callback, tombstone, heap_object.allocation_backtrace(), true);
+ }
+ }
+ }
+
+ print_tag_dump(callback, tombstone);
+
+ if (is_mte_crash) {
+ CBS("");
+ CBL("Learn more about MTE reports: "
+ "https://source.android.com/docs/security/test/memory-safety/mte-reports");
+ }
+
+ print_thread_memory_dump(callback, tombstone, thread);
+
+ CBS("");
+
+ // No memory maps to print.
+ if (!tombstone.memory_mappings().empty()) {
+ print_memory_maps(callback, tombstone);
+ } else {
+ CBS("No memory maps found");
+ }
+}
+
void print_logs(CallbackType callback, const Tombstone& tombstone, int tail) {
for (const auto& buffer : tombstone.log_buffers()) {
if (tail) {
diff --git a/debuggerd/proto/tombstone.proto b/debuggerd/proto/tombstone.proto
index a0f2f82..49865a2 100644
--- a/debuggerd/proto/tombstone.proto
+++ b/debuggerd/proto/tombstone.proto
@@ -1,3 +1,12 @@
+//
+// Protobuf definition for Android tombstones.
+//
+// An app can get hold of these for any `REASON_CRASH_NATIVE` instance of
+// `android.app.ApplicationExitInfo`.
+//
+// https://developer.android.com/reference/android/app/ApplicationExitInfo#getTraceInputStream()
+//
+
syntax = "proto3";
option java_package = "com.android.server.os";
@@ -39,8 +48,9 @@
ARM64 = 1;
X86 = 2;
X86_64 = 3;
+ RISCV64 = 4;
- reserved 4 to 999;
+ reserved 5 to 999;
}
message Signal {
diff --git a/debuggerd/protocol.h b/debuggerd/protocol.h
index f33b2f0..e7cb218 100644
--- a/debuggerd/protocol.h
+++ b/debuggerd/protocol.h
@@ -98,6 +98,7 @@
uintptr_t scudo_stack_depot;
uintptr_t scudo_region_info;
uintptr_t scudo_ring_buffer;
+ size_t scudo_ring_buffer_size;
};
struct __attribute__((__packed__)) CrashInfo {
diff --git a/debuggerd/seccomp_policy/crash_dump.riscv64.policy b/debuggerd/seccomp_policy/crash_dump.riscv64.policy
new file mode 100644
index 0000000..21887ab
--- /dev/null
+++ b/debuggerd/seccomp_policy/crash_dump.riscv64.policy
@@ -0,0 +1,37 @@
+read: 1
+write: 1
+exit: 1
+rt_sigreturn: 1
+exit_group: 1
+clock_gettime: 1
+gettimeofday: 1
+futex: 1
+getrandom: 1
+getpid: 1
+gettid: 1
+ppoll: 1
+pipe2: 1
+openat: 1
+dup: 1
+close: 1
+lseek: 1
+getdents64: 1
+faccessat: 1
+recvmsg: 1
+recvfrom: 1
+process_vm_readv: 1
+tgkill: 1
+rt_sigprocmask: 1
+rt_sigaction: 1
+rt_tgsigqueueinfo: 1
+prctl: arg0 == PR_GET_NO_NEW_PRIVS || arg0 == 0x53564d41 || arg0 == PR_PAC_RESET_KEYS
+madvise: 1
+mprotect: arg2 in 0x1|0x2
+munmap: 1
+getuid: 1
+fstat: 1
+mmap: arg2 in 0x1|0x2
+geteuid: 1
+getgid: 1
+getegid: 1
+getgroups: 1
diff --git a/debuggerd/seccomp_policy/generate.sh b/debuggerd/seccomp_policy/generate.sh
index 8c58b05..c467d9e 100755
--- a/debuggerd/seccomp_policy/generate.sh
+++ b/debuggerd/seccomp_policy/generate.sh
@@ -6,5 +6,6 @@
CPP='cpp -undef -E -P crash_dump.policy.def'
$CPP -D__arm__ -o crash_dump.arm.policy
$CPP -D__aarch64__ -D__LP64__ -o crash_dump.arm64.policy
+$CPP -D__riscv -D__LP64__ -o crash_dump.riscv64.policy
$CPP -D__i386__ -o crash_dump.x86.policy
$CPP -D__x86_64__ -D__LP64__ -o crash_dump.x86_64.policy
diff --git a/debuggerd/test_permissive_mte/Android.bp b/debuggerd/test_permissive_mte/Android.bp
index 1c09240..d3f7520 100644
--- a/debuggerd/test_permissive_mte/Android.bp
+++ b/debuggerd/test_permissive_mte/Android.bp
@@ -18,6 +18,7 @@
cc_binary {
name: "mte_crash",
+ tidy: false,
srcs: ["mte_crash.cpp"],
sanitize: {
memtag_heap: true,
diff --git a/debuggerd/test_permissive_mte/src/com/android/tests/debuggerd/PermissiveMteTest.java b/debuggerd/test_permissive_mte/src/com/android/tests/debuggerd/PermissiveMteTest.java
index 5ff2b5b..0203adc 100644
--- a/debuggerd/test_permissive_mte/src/com/android/tests/debuggerd/PermissiveMteTest.java
+++ b/debuggerd/test_permissive_mte/src/com/android/tests/debuggerd/PermissiveMteTest.java
@@ -97,4 +97,33 @@
}
assertThat(numberTombstones).isEqualTo(1);
}
+ @Test
+ public void testCrashProperty() throws Exception {
+ String prevValue = getDevice().getProperty("persist.sys.mte.permissive");
+ if (prevValue == null) {
+ prevValue = "";
+ }
+ assertThat(getDevice().setProperty("persist.sys.mte.permissive", "1")).isTrue();
+ CommandResult result =
+ getDevice().executeShellV2Command("/data/local/tmp/mte_crash testCrash " + mUUID);
+ assertThat(result.getExitCode()).isEqualTo(0);
+ int numberTombstones = 0;
+ String[] tombstones = getDevice().getChildren("/data/tombstones");
+ for (String tombstone : tombstones) {
+ if (!tombstone.endsWith(".pb")) {
+ continue;
+ }
+ String tombstonePath = "/data/tombstones/" + tombstone;
+ Tombstone tombstoneProto = parseTombstone(tombstonePath);
+ if (!tombstoneProto.getCommandLineList().stream().anyMatch(x -> x.contains(mUUID))) {
+ continue;
+ }
+ if (!tombstoneProto.getCommandLineList().stream().anyMatch(x -> x.contains("testCrash"))) {
+ continue;
+ }
+ numberTombstones++;
+ }
+ assertThat(numberTombstones).isEqualTo(1);
+ assertThat(getDevice().setProperty("persist.sys.mte.permissive", prevValue)).isTrue();
+ }
}
diff --git a/debuggerd/tombstoned/tombstoned.microdroid.rc b/debuggerd/tombstoned/tombstoned.microdroid.rc
new file mode 100644
index 0000000..7f5c542
--- /dev/null
+++ b/debuggerd/tombstoned/tombstoned.microdroid.rc
@@ -0,0 +1,7 @@
+service tombstoned /system/bin/tombstoned.microdroid
+ user tombstoned
+ group system
+
+ socket tombstoned_crash seqpacket 0666 system system
+ socket tombstoned_intercept seqpacket 0666 system system
+ socket tombstoned_java_trace seqpacket 0666 system system
diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index 49ebdbf..a801900 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -154,6 +154,7 @@
"device/flashing.cpp",
"device/main.cpp",
"device/usb.cpp",
+ "device/usb_iouring.cpp",
"device/usb_client.cpp",
"device/tcp_client.cpp",
"device/utility.cpp",
@@ -167,8 +168,9 @@
"android.hardware.boot-V1-ndk",
"libboot_control_client",
"android.hardware.fastboot@1.1",
+ "android.hardware.fastboot-V1-ndk",
"android.hardware.health@2.0",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libasyncio",
"libbase",
"libbinder_ndk",
@@ -191,11 +193,14 @@
"libc++fs",
"libhealthhalutils",
"libhealthshim",
+ "libfastbootshim",
"libsnapshot_cow",
"liblz4",
"libsnapshot_nobinder",
"update_metadata-protos",
+ "liburing",
],
+ include_dirs: ["bionic/libc/kernel"],
header_libs: [
"avb_headers",
@@ -339,6 +344,8 @@
targets: [
"dist_files",
"sdk",
+ "sdk-repo-platform-tools",
+ "sdk_repo",
"win_sdk",
],
},
diff --git a/fastboot/constants.h b/fastboot/constants.h
index b732c76..ad169d1 100644
--- a/fastboot/constants.h
+++ b/fastboot/constants.h
@@ -42,7 +42,7 @@
#define RESPONSE_DATA "DATA"
#define RESPONSE_INFO "INFO"
-#define FB_COMMAND_SZ 64
+#define FB_COMMAND_SZ 4096
#define FB_RESPONSE_SZ 256
#define FB_VAR_VERSION "version"
@@ -64,6 +64,7 @@
#define FB_VAR_SLOT_UNBOOTABLE "slot-unbootable"
#define FB_VAR_IS_LOGICAL "is-logical"
#define FB_VAR_IS_USERSPACE "is-userspace"
+#define FB_VAR_IS_FORCE_DEBUGGABLE "is-force-debuggable"
#define FB_VAR_HW_REVISION "hw-revision"
#define FB_VAR_VARIANT "variant"
#define FB_VAR_OFF_MODE_CHARGE_STATE "off-mode-charge"
diff --git a/fastboot/device/commands.cpp b/fastboot/device/commands.cpp
index 823783e..e929f42 100644
--- a/fastboot/device/commands.cpp
+++ b/fastboot/device/commands.cpp
@@ -40,6 +40,8 @@
#include <storage_literals/storage_literals.h>
#include <uuid/uuid.h>
+#include <bootloader_message/bootloader_message.h>
+
#include "BootControlClient.h"
#include "constants.h"
#include "fastboot_device.h"
@@ -55,8 +57,6 @@
using android::fs_mgr::MetadataBuilder;
using android::hal::CommandResult;
using ::android::hardware::hidl_string;
-using ::android::hardware::fastboot::V1_0::Result;
-using ::android::hardware::fastboot::V1_0::Status;
using android::snapshot::SnapshotManager;
using MergeStatus = android::hal::BootControlClient::MergeStatus;
@@ -131,6 +131,7 @@
{FB_VAR_PARTITION_TYPE, {GetPartitionType, GetAllPartitionArgsWithSlot}},
{FB_VAR_IS_LOGICAL, {GetPartitionIsLogical, GetAllPartitionArgsWithSlot}},
{FB_VAR_IS_USERSPACE, {GetIsUserspace, nullptr}},
+ {FB_VAR_IS_FORCE_DEBUGGABLE, {GetIsForceDebuggable, nullptr}},
{FB_VAR_OFF_MODE_CHARGE_STATE, {GetOffModeChargeState, nullptr}},
{FB_VAR_BATTERY_VOLTAGE, {GetBatteryVoltage, nullptr}},
{FB_VAR_BATTERY_SOC_OK, {GetBatterySoCOk, nullptr}},
@@ -154,6 +155,14 @@
return true;
}
+static void PostWipeData() {
+ std::string err;
+ // Reset mte state of device.
+ if (!WriteMiscMemtagMessage({}, &err)) {
+ LOG(ERROR) << "Failed to reset MTE state: " << err;
+ }
+}
+
const std::unordered_map<std::string, std::function<bool(FastbootDevice*)>> kSpecialVars = {
{"all", GetVarAll},
{"dmesg", GetDmesg},
@@ -193,20 +202,21 @@
return false;
}
- Result ret;
- auto ret_val = fastboot_hal->doOemSpecificErase([&](Result result) { ret = result; });
- if (!ret_val.isOk()) {
- return false;
- }
- if (ret.status == Status::NOT_SUPPORTED) {
- return false;
- } else if (ret.status != Status::SUCCESS) {
- device->WriteStatus(FastbootResult::FAIL, ret.message);
- } else {
+ auto status = fastboot_hal->doOemSpecificErase();
+ if (status.isOk()) {
device->WriteStatus(FastbootResult::OKAY, "Erasing succeeded");
+ return true;
}
-
- return true;
+ switch (status.getExceptionCode()) {
+ case EX_UNSUPPORTED_OPERATION:
+ return false;
+ case EX_SERVICE_SPECIFIC:
+ device->WriteStatus(FastbootResult::FAIL, status.getDescription());
+ return false;
+ default:
+ LOG(ERROR) << "Erase operation failed" << status.getDescription();
+ return false;
+ }
}
bool EraseHandler(FastbootDevice* device, const std::vector<std::string>& args) {
@@ -232,6 +242,7 @@
//Perform oem PostWipeData if Android userdata partition has been erased
bool support_oem_postwipedata = false;
if (partition_name == "userdata") {
+ PostWipeData();
support_oem_postwipedata = OemPostWipeData(device);
}
@@ -255,18 +266,16 @@
if (args[0] == "oem postwipedata userdata") {
return device->WriteStatus(FastbootResult::FAIL, "Unable to do oem postwipedata userdata");
}
-
- Result ret;
- auto ret_val = fastboot_hal->doOemCommand(args[0], [&](Result result) { ret = result; });
- if (!ret_val.isOk()) {
- return device->WriteStatus(FastbootResult::FAIL, "Unable to do OEM command");
- }
- if (ret.status != Status::SUCCESS) {
- return device->WriteStatus(FastbootResult::FAIL, ret.message);
+ std::string message;
+ auto status = fastboot_hal->doOemCommand(args[0], &message);
+ if (!status.isOk()) {
+ LOG(ERROR) << "Unable to do OEM command " << args[0].c_str() << status.getDescription();
+ return device->WriteStatus(FastbootResult::FAIL,
+ "Unable to do OEM command " + status.getDescription());
}
- device->WriteInfo(ret.message);
- return device->WriteStatus(FastbootResult::OKAY, ret.message);
+ device->WriteInfo(message);
+ return device->WriteStatus(FastbootResult::OKAY, message);
}
bool DownloadHandler(FastbootDevice* device, const std::vector<std::string>& args) {
@@ -610,6 +619,10 @@
if (ret < 0) {
return device->WriteStatus(FastbootResult::FAIL, strerror(-ret));
}
+ if (partition_name == "userdata") {
+ PostWipeData();
+ }
+
return device->WriteStatus(FastbootResult::OKAY, "Flashing succeeded");
}
diff --git a/fastboot/device/fastboot_device.cpp b/fastboot/device/fastboot_device.cpp
index 4932e5c..5afeb4f 100644
--- a/fastboot/device/fastboot_device.cpp
+++ b/fastboot/device/fastboot_device.cpp
@@ -25,6 +25,7 @@
#include <android/binder_manager.h>
#include <android/hardware/boot/1.0/IBootControl.h>
#include <android/hardware/fastboot/1.1/IFastboot.h>
+#include <fastbootshim.h>
#include <fs_mgr.h>
#include <fs_mgr/roots.h>
#include <health-shim/shim.h>
@@ -64,6 +65,27 @@
return nullptr;
}
+std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> get_fastboot_service() {
+ using aidl::android::hardware::fastboot::IFastboot;
+ using HidlFastboot = android::hardware::fastboot::V1_1::IFastboot;
+ using aidl::android::hardware::fastboot::FastbootShim;
+ auto service_name = IFastboot::descriptor + "/default"s;
+ ndk::SpAIBinder binder(AServiceManager_getService(service_name.c_str()));
+ std::shared_ptr<IFastboot> fastboot = IFastboot::fromBinder(binder);
+ if (fastboot != nullptr) {
+ LOG(INFO) << "Using AIDL fastboot service";
+ return fastboot;
+ }
+ LOG(INFO) << "Unable to get AIDL fastboot service, trying HIDL...";
+ android::sp<HidlFastboot> hidl_fastboot = HidlFastboot::getService();
+ if (hidl_fastboot != nullptr) {
+ LOG(INFO) << "Found and now using fastboot HIDL implementation";
+ return ndk::SharedRefBase::make<FastbootShim>(hidl_fastboot);
+ }
+ LOG(WARNING) << "No fastboot implementation is found.";
+ return nullptr;
+}
+
FastbootDevice::FastbootDevice()
: kCommandMap({
{FB_CMD_SET_ACTIVE, SetActiveHandler},
@@ -87,7 +109,7 @@
}),
boot_control_hal_(BootControlClient::WaitForService()),
health_hal_(get_health_service()),
- fastboot_hal_(IFastboot::getService()),
+ fastboot_hal_(get_fastboot_service()),
active_slot_("") {
if (android::base::GetProperty("fastbootd.protocol", "usb") == "tcp") {
transport_ = std::make_unique<ClientTcpTransport>();
diff --git a/fastboot/device/fastboot_device.h b/fastboot/device/fastboot_device.h
index 9df8fa5..fcaf249 100644
--- a/fastboot/device/fastboot_device.h
+++ b/fastboot/device/fastboot_device.h
@@ -23,8 +23,8 @@
#include <vector>
#include <BootControlClient.h>
+#include <aidl/android/hardware/fastboot/IFastboot.h>
#include <aidl/android/hardware/health/IHealth.h>
-#include <android/hardware/fastboot/1.1/IFastboot.h>
#include "commands.h"
#include "transport.h"
@@ -52,7 +52,7 @@
Transport* get_transport() { return transport_.get(); }
BootControlClient* boot_control_hal() const { return boot_control_hal_.get(); }
BootControlClient* boot1_1() const;
- android::sp<android::hardware::fastboot::V1_1::IFastboot> fastboot_hal() {
+ std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> fastboot_hal() {
return fastboot_hal_;
}
std::shared_ptr<aidl::android::hardware::health::IHealth> health_hal() { return health_hal_; }
@@ -65,7 +65,7 @@
std::unique_ptr<Transport> transport_;
std::unique_ptr<BootControlClient> boot_control_hal_;
std::shared_ptr<aidl::android::hardware::health::IHealth> health_hal_;
- android::sp<android::hardware::fastboot::V1_1::IFastboot> fastboot_hal_;
+ std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> fastboot_hal_;
std::vector<char> download_data_;
std::string active_slot_;
};
diff --git a/fastboot/device/usb.cpp b/fastboot/device/usb.cpp
index 4115a6d..75a687f 100644
--- a/fastboot/device/usb.cpp
+++ b/fastboot/device/usb.cpp
@@ -15,6 +15,7 @@
*/
#include "usb.h"
+#include "usb_iouring.h"
#include <dirent.h>
#include <errno.h>
@@ -28,6 +29,7 @@
#include <linux/usb/ch9.h>
#include <linux/usb/functionfs.h>
+#include <sys/utsname.h>
#include <algorithm>
#include <atomic>
@@ -38,6 +40,7 @@
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <liburing.h>
using namespace std::chrono_literals;
@@ -65,8 +68,8 @@
}
}
-static int getMaxPacketSize(int ffs_fd) {
- usb_endpoint_descriptor desc;
+int getMaxPacketSize(int ffs_fd) {
+ usb_endpoint_descriptor desc{};
if (ioctl(ffs_fd, FUNCTIONFS_ENDPOINT_DESC, reinterpret_cast<unsigned long>(&desc))) {
D("[ could not get endpoint descriptor! (%d) ]", errno);
return MAX_PACKET_SIZE_HS;
@@ -128,11 +131,9 @@
static int usb_ffs_do_aio(usb_handle* h, const void* data, int len, bool read) {
aio_block* aiob = read ? &h->read_aiob : &h->write_aiob;
- bool zero_packet = false;
int num_bufs = len / h->io_size + (len % h->io_size == 0 ? 0 : 1);
const char* cur_data = reinterpret_cast<const char*>(data);
- int packet_size = getMaxPacketSize(aiob->fd);
if (posix_madvise(const_cast<void*>(data), len, POSIX_MADV_SEQUENTIAL | POSIX_MADV_WILLNEED) <
0) {
@@ -145,17 +146,6 @@
len -= buf_len;
cur_data += buf_len;
-
- if (len == 0 && buf_len % packet_size == 0 && read) {
- // adb does not expect the device to send a zero packet after data transfer,
- // but the host *does* send a zero packet for the device to read.
- zero_packet = h->reads_zero_packets;
- }
- }
- if (zero_packet) {
- io_prep(&aiob->iocb[num_bufs], aiob->fd, reinterpret_cast<const void*>(cur_data),
- packet_size, 0, read);
- num_bufs += 1;
}
while (true) {
@@ -171,6 +161,16 @@
if (num_bufs == 1 && aiob->events[0].res == -EINTR) {
continue;
}
+ if (read && aiob->events[0].res == -EPIPE) {
+ // On initial connection, some clients will send a ClearFeature(HALT) to
+ // attempt to resynchronize host and device after the fastboot server is killed.
+ // On newer device kernels, the reads we've already dispatched will be cancelled.
+ // Instead of treating this as a failure, which will tear down the interface and
+ // lead to the client doing the same thing again, just resubmit if this happens
+ // before we've actually read anything.
+ PLOG(ERROR) << "aio: got -EPIPE on first read attempt. Re-submitting read... ";
+ continue;
+ }
int ret = 0;
for (int i = 0; i < num_bufs; i++) {
if (aiob->events[i].res < 0) {
@@ -204,21 +204,46 @@
h->open_new_connection = true;
h->lock.unlock();
h->notify.notify_one();
+ if (h->aio_type == AIOType::IO_URING) {
+ exit_io_uring_ffs(h);
+ }
}
-usb_handle* create_usb_handle(unsigned num_bufs, unsigned io_size) {
- usb_handle* h = new usb_handle();
+bool DoesKernelSupportIouring() {
+ struct utsname uts {};
+ unsigned int major = 0, minor = 0;
+ if ((uname(&uts) != 0) || (sscanf(uts.release, "%u.%u", &major, &minor) != 2)) {
+ return false;
+ }
+ if (major > 5) {
+ return true;
+ }
+ // We will only support kernels from 5.6 onwards as IOSQE_ASYNC flag and
+ // IO_URING_OP_READ/WRITE opcodes were introduced only on 5.6 kernel
+ return minor >= 6;
+}
- if (android::base::GetBoolProperty("sys.usb.ffs.aio_compat", false)) {
+std::unique_ptr<usb_handle> create_usb_handle(unsigned num_bufs, unsigned io_size) {
+ auto h = std::make_unique<usb_handle>();
+ if (DoesKernelSupportIouring() &&
+ android::base::GetBoolProperty("sys.usb.ffs.io_uring_enabled", false)) {
+ init_io_uring_ffs(h.get(), num_bufs);
+ h->aio_type = AIOType::IO_URING;
+ LOG(INFO) << "Using io_uring for usb ffs";
+ } else if (android::base::GetBoolProperty("sys.usb.ffs.aio_compat", false)) {
// Devices on older kernels (< 3.18) will not have aio support for ffs
// unless backported. Fall back on the non-aio functions instead.
h->write = usb_ffs_write;
h->read = usb_ffs_read;
+ h->aio_type = AIOType::SYNC_IO;
+ LOG(INFO) << "Using sync io for usb ffs";
} else {
h->write = usb_ffs_aio_write;
h->read = usb_ffs_aio_read;
aio_block_init(&h->read_aiob, num_bufs);
aio_block_init(&h->write_aiob, num_bufs);
+ h->aio_type = AIOType::AIO;
+ LOG(INFO) << "Using aio for usb ffs";
}
h->io_size = io_size;
h->close = usb_ffs_close;
diff --git a/fastboot/device/usb.h b/fastboot/device/usb.h
index 6c3f542..8996c31 100644
--- a/fastboot/device/usb.h
+++ b/fastboot/device/usb.h
@@ -18,8 +18,10 @@
#include <linux/usb/functionfs.h>
+#include <liburing.h>
#include <atomic>
#include <condition_variable>
+#include <memory>
#include <mutex>
#include <vector>
@@ -35,9 +37,11 @@
int fd;
};
-struct usb_handle {
- usb_handle() {}
+int getMaxPacketSize(int ffs_fd);
+enum class AIOType { SYNC_IO, AIO, IO_URING };
+
+struct usb_handle {
std::condition_variable notify;
std::mutex lock;
bool open_new_connection = true;
@@ -56,8 +60,9 @@
struct aio_block read_aiob;
struct aio_block write_aiob;
- bool reads_zero_packets;
+ io_uring ring;
size_t io_size;
+ AIOType aio_type;
};
-usb_handle* create_usb_handle(unsigned num_bufs, unsigned io_size);
+std::unique_ptr<usb_handle> create_usb_handle(unsigned num_bufs, unsigned io_size);
diff --git a/fastboot/device/usb_client.cpp b/fastboot/device/usb_client.cpp
index 3f9b0f0..d1b38d4 100644
--- a/fastboot/device/usb_client.cpp
+++ b/fastboot/device/usb_client.cpp
@@ -232,7 +232,6 @@
h->read_aiob.fd = h->bulk_out.get();
h->write_aiob.fd = h->bulk_in.get();
- h->reads_zero_packets = false;
return true;
err:
diff --git a/fastboot/device/usb_iouring.cpp b/fastboot/device/usb_iouring.cpp
new file mode 100644
index 0000000..d987712
--- /dev/null
+++ b/fastboot/device/usb_iouring.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/logging.h>
+#include <liburing.h>
+#include "liburing/io_uring.h"
+#include "usb.h"
+
+static int prep_async_read(struct io_uring* ring, int fd, void* data, size_t len, int64_t offset) {
+ if (io_uring_sq_space_left(ring) <= 0) {
+ LOG(ERROR) << "Submission queue run out of space.";
+ return -1;
+ }
+ auto sqe = io_uring_get_sqe(ring);
+ if (sqe == nullptr) {
+ return -1;
+ }
+ io_uring_sqe_set_flags(sqe, IOSQE_IO_LINK | IOSQE_ASYNC);
+ io_uring_prep_read(sqe, fd, data, len, offset);
+ return 0;
+}
+
+static int prep_async_write(struct io_uring* ring, int fd, const void* data, size_t len,
+ int64_t offset) {
+ if (io_uring_sq_space_left(ring) <= 0) {
+ LOG(ERROR) << "Submission queue run out of space.";
+ return -1;
+ }
+ auto sqe = io_uring_get_sqe(ring);
+ if (sqe == nullptr) {
+ return -1;
+ }
+ io_uring_sqe_set_flags(sqe, IOSQE_IO_LINK | IOSQE_ASYNC);
+ io_uring_prep_write(sqe, fd, data, len, offset);
+ return 0;
+}
+
+template <bool read, typename T>
+int prep_async_io(struct io_uring* ring, int fd, T* data, size_t len, int64_t offset) {
+ if constexpr (read) {
+ return prep_async_read(ring, fd, data, len, offset);
+ } else {
+ return prep_async_write(ring, fd, data, len, offset);
+ }
+}
+
+template <typename T>
+static constexpr T DivRoundup(T x, T y) {
+ return (x + y - 1) / y;
+}
+
+extern int getMaxPacketSize(int ffs_fd);
+
+template <bool read, typename T>
+static int usb_ffs_do_aio(usb_handle* h, T* const data, const int len) {
+ const aio_block* aiob = read ? &h->read_aiob : &h->write_aiob;
+ const int num_requests = DivRoundup<int>(len, h->io_size);
+ auto cur_data = data;
+ const auto packet_size = getMaxPacketSize(aiob->fd);
+
+ for (int bytes_remain = len; bytes_remain > 0;) {
+ const int buf_len = std::min(bytes_remain, static_cast<int>(h->io_size));
+ const auto ret = prep_async_io<read>(&h->ring, aiob->fd, cur_data, buf_len, 0);
+ if (ret < 0) {
+ PLOG(ERROR) << "Failed to queue io_uring request";
+ return -1;
+ }
+
+ bytes_remain -= buf_len;
+ cur_data = reinterpret_cast<T*>(reinterpret_cast<size_t>(cur_data) + buf_len);
+ }
+ const int ret = io_uring_submit(&h->ring);
+ if (ret <= 0 || ret != num_requests) {
+ PLOG(ERROR) << "io_uring: failed to submit SQE entries to kernel";
+ return -1;
+ }
+ int res = 0;
+ bool success = true;
+ for (int i = 0; i < num_requests; ++i) {
+ struct io_uring_cqe* cqe{};
+ const auto ret = TEMP_FAILURE_RETRY(io_uring_wait_cqe(&h->ring, &cqe));
+ if (ret < 0 || cqe == nullptr) {
+ PLOG(ERROR) << "Failed to get CQE from kernel";
+ success = false;
+ continue;
+ }
+ res += cqe->res;
+ if (cqe->res < 0) {
+ LOG(ERROR) << "io_uring request failed:, i = " << i
+ << ", num_requests = " << num_requests << ", res = " << cqe->res << ": "
+ << strerror(cqe->res) << (read ? " read" : " write")
+ << " request size: " << len << ", io_size: " << h->io_size
+ << " max packet size: " << packet_size << ", fd: " << aiob->fd;
+ success = false;
+ errno = -cqe->res;
+ }
+ io_uring_cqe_seen(&h->ring, cqe);
+ }
+ if (!success) {
+ return -1;
+ }
+ return res;
+}
+
+static int usb_ffs_io_uring_read(usb_handle* h, void* data, int len, bool /* allow_partial */) {
+ return usb_ffs_do_aio<true>(h, data, len);
+}
+
+static int usb_ffs_io_uring_write(usb_handle* h, const void* data, int len) {
+ return usb_ffs_do_aio<false>(h, data, len);
+}
+
+void exit_io_uring_ffs(usb_handle* h) {
+ io_uring_queue_exit(&h->ring);
+}
+
+bool init_io_uring_ffs(usb_handle* h, size_t queue_depth) {
+ const auto err = io_uring_queue_init(queue_depth, &h->ring, 0);
+ if (err) {
+ LOG(ERROR) << "Failed to initialize io_uring of depth " << queue_depth << ": "
+ << strerror(err);
+ return false;
+ }
+ h->write = usb_ffs_io_uring_write;
+ h->read = usb_ffs_io_uring_read;
+ return true;
+}
diff --git a/trusty/test/binder/aidl/LongEnum.aidl b/fastboot/device/usb_iouring.h
similarity index 83%
copy from trusty/test/binder/aidl/LongEnum.aidl
copy to fastboot/device/usb_iouring.h
index 0e9e933..7c14b81 100644
--- a/trusty/test/binder/aidl/LongEnum.aidl
+++ b/fastboot/device/usb_iouring.h
@@ -14,9 +14,8 @@
* limitations under the License.
*/
-@Backing(type="long")
-enum LongEnum {
- FOO = 100000000000,
- BAR = 200000000000,
- BAZ,
-}
+#include "usb.h"
+
+bool init_io_uring_ffs(usb_handle* h, size_t queue_depth);
+
+void exit_io_uring_ffs(usb_handle* h);
diff --git a/fastboot/device/variables.cpp b/fastboot/device/variables.cpp
index b6eb2cd..d2a7947 100644
--- a/fastboot/device/variables.cpp
+++ b/fastboot/device/variables.cpp
@@ -41,9 +41,7 @@
#endif
using MergeStatus = android::hal::BootControlClient::MergeStatus;
-using ::android::hardware::fastboot::V1_0::FileSystemType;
-using ::android::hardware::fastboot::V1_0::Result;
-using ::android::hardware::fastboot::V1_0::Status;
+using aidl::android::hardware::fastboot::FileSystemType;
using namespace android::fs_mgr;
using namespace std::string_literals;
@@ -104,17 +102,16 @@
*message = "Fastboot HAL not found";
return false;
}
+ std::string device_variant = "";
+ auto status = fastboot_hal->getVariant(&device_variant);
- Result ret;
- auto ret_val = fastboot_hal->getVariant([&](std::string device_variant, Result result) {
- *message = device_variant;
- ret = result;
- });
- if (!ret_val.isOk() || ret.status != Status::SUCCESS) {
+ if (!status.isOk()) {
*message = "Unable to get device variant";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
+ *message = device_variant;
return true;
}
@@ -147,17 +144,14 @@
return false;
}
- Result ret;
- auto ret_val = fastboot_hal->getBatteryVoltageFlashingThreshold(
- [&](int32_t voltage_threshold, Result result) {
- *message = battery_voltage >= voltage_threshold ? "yes" : "no";
- ret = result;
- });
-
- if (!ret_val.isOk() || ret.status != Status::SUCCESS) {
+ auto voltage_threshold = 0;
+ auto status = fastboot_hal->getBatteryVoltageFlashingThreshold(&voltage_threshold);
+ if (!status.isOk()) {
*message = "Unable to get battery voltage flashing threshold";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
+ *message = battery_voltage >= voltage_threshold ? "yes" : "no";
return true;
}
@@ -169,18 +163,14 @@
*message = "Fastboot HAL not found";
return false;
}
-
- Result ret;
- auto ret_val =
- fastboot_hal->getOffModeChargeState([&](bool off_mode_charging_state, Result result) {
- *message = off_mode_charging_state ? "1" : "0";
- ret = result;
- });
- if (!ret_val.isOk() || (ret.status != Status::SUCCESS)) {
+ bool off_mode_charging_state = false;
+ auto status = fastboot_hal->getOffModeChargeState(&off_mode_charging_state);
+ if (!status.isOk()) {
*message = "Unable to get off mode charge state";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
-
+ *message = off_mode_charging_state ? "1" : "0";
return true;
}
@@ -337,14 +327,11 @@
}
FileSystemType type;
- Result ret;
- auto ret_val =
- fastboot_hal->getPartitionType(args[0], [&](FileSystemType fs_type, Result result) {
- type = fs_type;
- ret = result;
- });
- if (!ret_val.isOk() || (ret.status != Status::SUCCESS)) {
+ auto status = fastboot_hal->getPartitionType(args[0], &type);
+
+ if (!status.isOk()) {
*message = "Unable to retrieve partition type";
+ LOG(ERROR) << message->c_str() << status.getDescription();
} else {
switch (type) {
case FileSystemType::RAW:
@@ -392,6 +379,12 @@
return true;
}
+bool GetIsForceDebuggable(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
+ std::string* message) {
+ *message = android::base::GetBoolProperty("ro.force.debuggable", false) ? "yes" : "no";
+ return true;
+}
+
std::vector<std::vector<std::string>> GetAllPartitionArgsWithSlot(FastbootDevice* device) {
std::vector<std::vector<std::string>> args;
auto partitions = ListPartitions(device);
diff --git a/fastboot/device/variables.h b/fastboot/device/variables.h
index aa4d9fc..3b2d484 100644
--- a/fastboot/device/variables.h
+++ b/fastboot/device/variables.h
@@ -54,6 +54,8 @@
std::string* message);
bool GetIsUserspace(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message);
+bool GetIsForceDebuggable(FastbootDevice* device, const std::vector<std::string>& args,
+ std::string* message);
bool GetHardwareRevision(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message);
bool GetVariant(FastbootDevice* device, const std::vector<std::string>& args, std::string* message);
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 46190f2..9676f87 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -129,23 +129,23 @@
};
struct Image {
- const char* nickname;
- const char* img_name;
- const char* sig_name;
- const char* part_name;
+ std::string nickname;
+ std::string img_name;
+ std::string sig_name;
+ std::string part_name;
bool optional_if_no_image;
ImageType type;
- bool IsSecondary() const { return nickname == nullptr; }
+ bool IsSecondary() const { return nickname.empty(); }
};
-static Image images[] = {
+static std::vector<Image> images = {
// clang-format off
{ "boot", "boot.img", "boot.sig", "boot", false, ImageType::BootCritical },
{ "init_boot",
"init_boot.img", "init_boot.sig",
"init_boot",
true, ImageType::BootCritical },
- { nullptr, "boot_other.img", "boot.sig", "boot", true, ImageType::Normal },
+ { "", "boot_other.img", "boot.sig", "boot", true, ImageType::Normal },
{ "cache", "cache.img", "cache.sig", "cache", true, ImageType::Extra },
{ "dtbo", "dtbo.img", "dtbo.sig", "dtbo", true, ImageType::BootCritical },
{ "dts", "dt.img", "dt.sig", "dts", true, ImageType::BootCritical },
@@ -164,7 +164,7 @@
"system_ext.img", "system_ext.sig",
"system_ext",
true, ImageType::Normal },
- { nullptr, "system_other.img", "system.sig", "system", true, ImageType::Normal },
+ { "", "system_other.img", "system.sig", "system", true, ImageType::Normal },
{ "userdata", "userdata.img", "userdata.sig", "userdata", true, ImageType::Extra },
{ "vbmeta", "vbmeta.img", "vbmeta.sig", "vbmeta", true, ImageType::BootCritical },
{ "vbmeta_system",
@@ -191,7 +191,7 @@
"vendor_kernel_boot.sig",
"vendor_kernel_boot",
true, ImageType::BootCritical },
- { nullptr, "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal },
+ { "", "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal },
// clang-format on
};
@@ -212,8 +212,8 @@
}
static std::string find_item(const std::string& item) {
- for (size_t i = 0; i < arraysize(images); ++i) {
- if (images[i].nickname && item == images[i].nickname) {
+ for (size_t i = 0; i < images.size(); ++i) {
+ if (!images[i].nickname.empty() && item == images[i].nickname) {
return find_item_given_name(images[i].img_name);
}
}
@@ -274,7 +274,8 @@
// require matching serial number or device path if requested
// at the command line with the -s option.
if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
- strcmp(local_serial, info->device_path) != 0)) return -1;
+ strcmp(local_serial, info->device_path) != 0))
+ return -1;
return 0;
}
@@ -532,15 +533,15 @@
std::vector<char> dtb_data;
if (!g_dtb_path.empty()) {
if (g_boot_img_hdr.header_version != 2) {
- die("Argument dtb not supported for boot image header version %d\n",
- g_boot_img_hdr.header_version);
+ die("Argument dtb not supported for boot image header version %d\n",
+ g_boot_img_hdr.header_version);
}
if (!ReadFileToVector(g_dtb_path, &dtb_data)) {
die("cannot load '%s': %s", g_dtb_path.c_str(), strerror(errno));
}
}
- fprintf(stderr,"creating boot image...\n");
+ fprintf(stderr, "creating boot image...\n");
std::vector<char> out;
mkbootimg(kernel_data, ramdisk_data, second_stage_data, dtb_data, g_base_addr, g_boot_img_hdr,
@@ -562,15 +563,15 @@
}
if (zip_entry.uncompressed_length > std::numeric_limits<size_t>::max()) {
- die("entry '%s' is too large: %" PRIu64, entry_name.c_str(), zip_entry.uncompressed_length);
+ die("entry '%s' is too large: %" PRIu64, entry_name.c_str(), zip_entry.uncompressed_length);
}
out->resize(zip_entry.uncompressed_length);
fprintf(stderr, "extracting %s (%zu MB) to RAM...\n", entry_name.c_str(),
out->size() / 1024 / 1024);
- int error = ExtractToMemory(zip, &zip_entry, reinterpret_cast<uint8_t*>(out->data()),
- out->size());
+ int error =
+ ExtractToMemory(zip, &zip_entry, reinterpret_cast<uint8_t*>(out->data()), out->size());
if (error != 0) die("failed to extract '%s': %s", entry_name.c_str(), ErrorCodeString(error));
return true;
@@ -618,8 +619,8 @@
std::string path_template(make_temporary_template());
int fd = mkstemp(&path_template[0]);
if (fd == -1) {
- die("failed to create temporary file for %s with template %s: %s\n",
- path_template.c_str(), what, strerror(errno));
+ die("failed to create temporary file for %s with template %s: %s\n", path_template.c_str(),
+ what, strerror(errno));
}
unlink(path_template.c_str());
return fd;
@@ -673,16 +674,15 @@
std::string var_value;
if (fb->GetVar(var, &var_value) != fastboot::SUCCESS) {
fprintf(stderr, "FAILED\n\n");
- fprintf(stderr, "Could not getvar for '%s' (%s)\n\n", var.c_str(),
- fb->Error().c_str());
+ fprintf(stderr, "Could not getvar for '%s' (%s)\n\n", var.c_str(), fb->Error().c_str());
return false;
}
bool match = false;
for (const auto& option : options) {
- if (option == var_value || (option.back() == '*' &&
- !var_value.compare(0, option.length() - 1, option, 0,
- option.length() - 1))) {
+ if (option == var_value ||
+ (option.back() == '*' &&
+ !var_value.compare(0, option.length() - 1, option, 0, option.length() - 1))) {
match = true;
break;
}
@@ -757,8 +757,8 @@
die("device doesn't have required partition %s!", partition_name.c_str());
}
bool known_partition = false;
- for (size_t i = 0; i < arraysize(images); ++i) {
- if (images[i].nickname && images[i].nickname == partition_name) {
+ for (size_t i = 0; i < images.size(); ++i) {
+ if (!images[i].nickname.empty() && images[i].nickname == partition_name) {
images[i].optional_if_no_image = false;
known_partition = true;
}
@@ -796,9 +796,9 @@
bool met = CheckRequirement(cur_product, name, product, invert, options);
if (!met) {
if (!force_flash) {
- die("requirements not met!");
+ die("requirements not met!");
} else {
- fprintf(stderr, "requirements not met! but proceeding due to --force\n");
+ fprintf(stderr, "requirements not met! but proceeding due to --force\n");
}
}
}
@@ -822,7 +822,6 @@
DisplayVarOrError("Baseband Version.....", "version-baseband");
DisplayVarOrError("Serial Number........", "serialno");
fprintf(stderr, "--------------------------------------------\n");
-
}
static struct sparse_file** load_sparse_files(int fd, int64_t max_size) {
@@ -830,13 +829,14 @@
if (!s) die("cannot sparse read file");
if (max_size <= 0 || max_size > std::numeric_limits<uint32_t>::max()) {
- die("invalid max size %" PRId64, max_size);
+ die("invalid max size %" PRId64, max_size);
}
int files = sparse_file_resparse(s, max_size, nullptr, 0);
if (files < 0) die("Failed to resparse");
- sparse_file** out_s = reinterpret_cast<sparse_file**>(calloc(sizeof(struct sparse_file *), files + 1));
+ sparse_file** out_s =
+ reinterpret_cast<sparse_file**>(calloc(sizeof(struct sparse_file*), files + 1));
if (!out_s) die("Failed to allocate sparse file array");
files = sparse_file_resparse(s, max_size, out_s, files);
@@ -1078,12 +1078,12 @@
lseek(buf->fd.get(), 0, SEEK_SET);
}
-static void flash_buf(const std::string& partition, struct fastboot_buffer *buf)
-{
+static void flash_buf(const std::string& partition, struct fastboot_buffer* buf) {
sparse_file** s;
if (partition == "boot" || partition == "boot_a" || partition == "boot_b" ||
- partition == "init_boot" || partition == "init_boot_a" || partition == "init_boot_b") {
+ partition == "init_boot" || partition == "init_boot_a" || partition == "init_boot_b" ||
+ partition == "recovery" || partition == "recovery_a" || partition == "recovery_b") {
copy_avb_footer(partition, buf);
}
@@ -1097,7 +1097,7 @@
rewrite_vbmeta_buffer(buf, false /* vbmeta_in_boot */);
} else if (!has_vbmeta_partition() &&
(partition == "boot" || partition == "boot_a" || partition == "boot_b")) {
- rewrite_vbmeta_buffer(buf, true /* vbmeta_in_boot */ );
+ rewrite_vbmeta_buffer(buf, true /* vbmeta_in_boot */);
}
}
@@ -1143,14 +1143,14 @@
}
static bool supports_AB() {
- return get_slot_count() >= 2;
+ return get_slot_count() >= 2;
}
// Given a current slot, this returns what the 'other' slot is.
static std::string get_other_slot(const std::string& current_slot, int count) {
if (count == 0) return "";
- char next = (current_slot[0] - 'a' + 1)%count + 'a';
+ char next = (current_slot[0] - 'a' + 1) % count + 'a';
return std::string(1, next);
}
@@ -1185,17 +1185,17 @@
if (count == 0) die("Device does not support slots");
if (slot == "other") {
- std::string other = get_other_slot( count);
+ std::string other = get_other_slot(count);
if (other == "") {
- die("No known slots");
+ die("No known slots");
}
return other;
}
- if (slot.size() == 1 && (slot[0]-'a' >= 0 && slot[0]-'a' < count)) return slot;
+ if (slot.size() == 1 && (slot[0] - 'a' >= 0 && slot[0] - 'a' < count)) return slot;
fprintf(stderr, "Slot %s does not exist. supported slots are:\n", slot.c_str());
- for (int i=0; i<count; i++) {
+ for (int i = 0; i < count; i++) {
fprintf(stderr, "%c\n", (char)(i + 'a'));
}
@@ -1203,7 +1203,7 @@
}
static std::string verify_slot(const std::string& slot) {
- return verify_slot(slot, true);
+ return verify_slot(slot, true);
}
static void do_for_partition(const std::string& part, const std::string& slot,
@@ -1243,7 +1243,8 @@
* partition does not support slots.
*/
static void do_for_partitions(const std::string& part, const std::string& slot,
- const std::function<void(const std::string&)>& func, bool force_slot) {
+ const std::function<void(const std::string&)>& func,
+ bool force_slot) {
std::string has_slot;
// |part| can be vendor_boot:default. Query has-slot on the first token only.
auto part_tokens = android::base::Split(part, ":");
@@ -1254,7 +1255,7 @@
slot.c_str());
}
if (has_slot == "yes") {
- for (int i=0; i < get_slot_count(); i++) {
+ for (int i = 0; i < get_slot_count(); i++) {
do_for_partition(part, std::string(1, (char)(i + 'a')), func, force_slot);
}
} else {
@@ -1403,7 +1404,7 @@
class ImageSource {
public:
- virtual ~ImageSource() {};
+ virtual ~ImageSource(){};
virtual bool ReadFile(const std::string& name, std::vector<char>* out) const = 0;
virtual unique_fd OpenFile(const std::string& name) const = 0;
};
@@ -1435,13 +1436,11 @@
FlashAllTool::FlashAllTool(const ImageSource& source, const std::string& slot_override,
bool skip_secondary, bool wipe, bool force_flash)
- : source_(source),
- slot_override_(slot_override),
- skip_secondary_(skip_secondary),
- wipe_(wipe),
- force_flash_(force_flash)
-{
-}
+ : source_(source),
+ slot_override_(slot_override),
+ skip_secondary_(skip_secondary),
+ wipe_(wipe),
+ force_flash_(force_flash) {}
void FlashAllTool::Flash() {
DumpInfo();
@@ -1508,7 +1507,7 @@
}
void FlashAllTool::CollectImages() {
- for (size_t i = 0; i < arraysize(images); ++i) {
+ for (size_t i = 0; i < images.size(); ++i) {
std::string slot = slot_override_;
if (images[i].IsSecondary()) {
if (skip_secondary_) {
@@ -1532,7 +1531,7 @@
if (image->optional_if_no_image) {
continue;
}
- die("could not load '%s': %s", image->img_name, strerror(errno));
+ die("could not load '%s': %s", image->img_name.c_str(), strerror(errno));
}
FlashImage(*image, slot, &buf);
}
@@ -1734,8 +1733,7 @@
fprintf(stderr, "File system type %s not supported.\n", partition_type.c_str());
return;
}
- die("Formatting is not supported for file system with type '%s'.",
- partition_type.c_str());
+ die("Formatting is not supported for file system with type '%s'.", partition_type.c_str());
}
int64_t size;
@@ -1892,32 +1890,30 @@
g_boot_img_hdr.page_size = 2048;
g_boot_img_hdr.dtb_addr = 0x01100000;
- const struct option longopts[] = {
- {"base", required_argument, 0, 0},
- {"cmdline", required_argument, 0, 0},
- {"disable-verification", no_argument, 0, 0},
- {"disable-verity", no_argument, 0, 0},
- {"force", no_argument, 0, 0},
- {"fs-options", required_argument, 0, 0},
- {"header-version", required_argument, 0, 0},
- {"help", no_argument, 0, 'h'},
- {"kernel-offset", required_argument, 0, 0},
- {"os-patch-level", required_argument, 0, 0},
- {"os-version", required_argument, 0, 0},
- {"page-size", required_argument, 0, 0},
- {"ramdisk-offset", required_argument, 0, 0},
- {"set-active", optional_argument, 0, 'a'},
- {"skip-reboot", no_argument, 0, 0},
- {"skip-secondary", no_argument, 0, 0},
- {"slot", required_argument, 0, 0},
- {"tags-offset", required_argument, 0, 0},
- {"dtb", required_argument, 0, 0},
- {"dtb-offset", required_argument, 0, 0},
- {"unbuffered", no_argument, 0, 0},
- {"verbose", no_argument, 0, 'v'},
- {"version", no_argument, 0, 0},
- {0, 0, 0, 0}
- };
+ const struct option longopts[] = {{"base", required_argument, 0, 0},
+ {"cmdline", required_argument, 0, 0},
+ {"disable-verification", no_argument, 0, 0},
+ {"disable-verity", no_argument, 0, 0},
+ {"force", no_argument, 0, 0},
+ {"fs-options", required_argument, 0, 0},
+ {"header-version", required_argument, 0, 0},
+ {"help", no_argument, 0, 'h'},
+ {"kernel-offset", required_argument, 0, 0},
+ {"os-patch-level", required_argument, 0, 0},
+ {"os-version", required_argument, 0, 0},
+ {"page-size", required_argument, 0, 0},
+ {"ramdisk-offset", required_argument, 0, 0},
+ {"set-active", optional_argument, 0, 'a'},
+ {"skip-reboot", no_argument, 0, 0},
+ {"skip-secondary", no_argument, 0, 0},
+ {"slot", required_argument, 0, 0},
+ {"tags-offset", required_argument, 0, 0},
+ {"dtb", required_argument, 0, 0},
+ {"dtb-offset", required_argument, 0, 0},
+ {"unbuffered", no_argument, 0, 0},
+ {"verbose", no_argument, 0, 'v'},
+ {"version", no_argument, 0, 0},
+ {0, 0, 0, 0}};
serial = getenv("ANDROID_SERIAL");
@@ -1966,7 +1962,8 @@
setvbuf(stdout, nullptr, _IONBF, 0);
setvbuf(stderr, nullptr, _IONBF, 0);
} else if (name == "version") {
- fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION, android::build::GetBuildNumber().c_str());
+ fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION,
+ android::build::GetBuildNumber().c_str());
fprintf(stdout, "Installed as %s\n", android::base::GetExecutablePath().c_str());
return 0;
} else {
@@ -2024,9 +2021,9 @@
return 1;
}
fastboot::DriverCallbacks driver_callbacks = {
- .prolog = Status,
- .epilog = Epilog,
- .info = InfoMessage,
+ .prolog = Status,
+ .epilog = Epilog,
+ .info = InfoMessage,
};
fastboot::FastBootDriver fastboot_driver(transport, driver_callbacks, false);
fb = &fastboot_driver;
@@ -2063,7 +2060,8 @@
std::string partition = next_arg(&args);
auto erase = [&](const std::string& partition) {
std::string partition_type;
- if (fb->GetVar("partition-type:" + partition, &partition_type) == fastboot::SUCCESS &&
+ if (fb->GetVar("partition-type:" + partition, &partition_type) ==
+ fastboot::SUCCESS &&
fs_get_generator(partition_type) != nullptr) {
fprintf(stderr, "******** Did you mean to fastboot format this %s partition?\n",
partition_type.c_str());
@@ -2118,7 +2116,6 @@
} else {
syntax_error("unknown reboot target %s", what.c_str());
}
-
}
if (!args.empty()) syntax_error("junk after reboot command");
} else if (command == FB_CMD_REBOOT_BOOTLOADER) {
@@ -2149,7 +2146,7 @@
}
if (fname.empty()) die("cannot determine image filename for '%s'", pname.c_str());
- auto flash = [&](const std::string &partition) {
+ auto flash = [&](const std::string& partition) {
if (should_flash_in_userspace(partition) && !is_userspace_fastboot() &&
!force_flash) {
die("The partition you are trying to flash is dynamic, and "
@@ -2178,7 +2175,8 @@
do_for_partitions(partition, slot_override, flashraw, true);
} else if (command == "flashall") {
if (slot_override == "all") {
- fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
+ fprintf(stderr,
+ "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
do_flashall(slot_override, true, wants_wipe, force_flash);
} else {
do_flashall(slot_override, skip_secondary, wants_wipe, force_flash);
@@ -2187,7 +2185,8 @@
} else if (command == "update") {
bool slot_all = (slot_override == "all");
if (slot_all) {
- fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
+ fprintf(stderr,
+ "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
}
std::string filename = "update.zip";
if (!args.empty()) {
@@ -2214,10 +2213,9 @@
} else if (command == "flashing") {
if (args.empty()) {
syntax_error("missing 'flashing' command");
- } else if (args.size() == 1 && (args[0] == "unlock" || args[0] == "lock" ||
- args[0] == "unlock_critical" ||
- args[0] == "lock_critical" ||
- args[0] == "get_unlock_ability")) {
+ } else if (args.size() == 1 &&
+ (args[0] == "unlock" || args[0] == "lock" || args[0] == "unlock_critical" ||
+ args[0] == "lock_critical" || args[0] == "get_unlock_ability")) {
do_oem_command("flashing", &args);
} else {
syntax_error("unknown 'flashing' command %s", args[0].c_str());
@@ -2272,7 +2270,7 @@
if (force_flash) {
CancelSnapshotIfNeeded();
}
- std::vector<std::string> partitions = { "userdata", "cache", "metadata" };
+ std::vector<std::string> partitions = {"userdata", "cache", "metadata"};
for (const auto& partition : partitions) {
std::string partition_type;
if (fb->GetVar("partition-type:" + partition, &partition_type) != fastboot::SUCCESS) {
@@ -2334,8 +2332,7 @@
unsigned fsOptions = 0;
std::vector<std::string> options = android::base::Split(arg, ",");
- if (options.size() < 1)
- syntax_error("bad options: %s", arg);
+ if (options.size() < 1) syntax_error("bad options: %s", arg);
for (size_t i = 0; i < options.size(); ++i) {
if (options[i] == "casefold")
diff --git a/fastboot/fuzzy_fastboot/main.cpp b/fastboot/fuzzy_fastboot/main.cpp
index 074306b..e635937 100644
--- a/fastboot/fuzzy_fastboot/main.cpp
+++ b/fastboot/fuzzy_fastboot/main.cpp
@@ -901,19 +901,19 @@
<< "Device did not respond with failure after sending length " << s.size()
<< " string of random ASCII chars";
if (ret == IO_ERROR) EXPECT_EQ(transport->Reset(), 0) << "USB reset failed";
- std::string s1 = RandomString(1000, rand_legal);
+ std::string s1 = RandomString(10000, rand_legal);
ret = fb->RawCommand(s1);
EXPECT_TRUE(ret == DEVICE_FAIL || ret == IO_ERROR)
<< "Device did not respond with failure after sending length " << s1.size()
<< " string of random ASCII chars";
if (ret == IO_ERROR) EXPECT_EQ(transport->Reset(), 0) << "USB reset failed";
- std::string s2 = RandomString(1000, rand_illegal);
+ std::string s2 = RandomString(10000, rand_illegal);
ret = fb->RawCommand(s2);
EXPECT_TRUE(ret == DEVICE_FAIL || ret == IO_ERROR)
<< "Device did not respond with failure after sending length " << s2.size()
<< " string of random non-ASCII chars";
if (ret == IO_ERROR) EXPECT_EQ(transport->Reset(), 0) << "USB reset failed";
- std::string s3 = RandomString(1000, rand_char);
+ std::string s3 = RandomString(10000, rand_char);
ret = fb->RawCommand(s3);
EXPECT_TRUE(ret == DEVICE_FAIL || ret == IO_ERROR)
<< "Device did not respond with failure after sending length " << s3.size()
@@ -935,7 +935,7 @@
TEST_F(Fuzz, CommandTooLarge) {
for (const std::string& s : CMDS) {
- std::string rs = RandomString(1000, rand_char);
+ std::string rs = RandomString(10000, rand_char);
RetCode ret;
ret = fb->RawCommand(s + rs);
EXPECT_TRUE(ret == DEVICE_FAIL || ret == IO_ERROR)
diff --git a/fastboot/socket_test.cpp b/fastboot/socket_test.cpp
index 373abc3..74ff377 100644
--- a/fastboot/socket_test.cpp
+++ b/fastboot/socket_test.cpp
@@ -293,23 +293,23 @@
}
TEST(SocketMockTest, TestSendFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
mock->ExpectSendFailure("foo");
- EXPECT_FALSE(SendString(mock, "foo"));
+ EXPECT_FALSE(SendString(mock.get(), "foo"));
- EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "no message was expected");
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "no message was expected");
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(SendString(mock, "bar"), "expected foo, but got bar");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "bar"), "expected foo, but got bar");
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
mock->AddReceive("foo");
- EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "called out-of-order");
- EXPECT_TRUE(ReceiveString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "called out-of-order");
+ EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
TEST(SocketMockTest, TestReceiveSuccess) {
@@ -331,33 +331,33 @@
}
TEST(SocketMockTest, TestReceiveFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
mock->AddReceiveFailure();
- EXPECT_FALSE(ReceiveString(mock, "foo"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
EXPECT_FALSE(mock->ReceiveTimedOut());
mock->AddReceiveTimeout();
- EXPECT_FALSE(ReceiveString(mock, "foo"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
EXPECT_TRUE(mock->ReceiveTimedOut());
mock->AddReceive("foo");
mock->AddReceiveFailure();
- EXPECT_FALSE(ReceiveString(mock, "foobar"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foobar"));
- EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "no message was ready");
+ EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "no message was ready");
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "called out-of-order");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "called out-of-order");
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
char c;
mock->AddReceive("foo");
EXPECT_NONFATAL_FAILURE(mock->Receive(&c, 1, 0), "not enough bytes (1) for foo");
- EXPECT_TRUE(ReceiveString(mock, "foo"));
+ EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
mock->AddReceive("foo");
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
TEST(SocketMockTest, TestAcceptSuccess) {
@@ -372,14 +372,14 @@
}
TEST(SocketMockTest, TestAcceptFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
EXPECT_NONFATAL_FAILURE(mock->Accept(), "no socket was ready");
mock->ExpectSend("foo");
EXPECT_NONFATAL_FAILURE(mock->Accept(), "called out-of-order");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
mock->AddAccept(nullptr);
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
diff --git a/fastboot/usb_osx.cpp b/fastboot/usb_osx.cpp
index 610eebf..a4b9307 100644
--- a/fastboot/usb_osx.cpp
+++ b/fastboot/usb_osx.cpp
@@ -191,16 +191,30 @@
// Iterate over the endpoints for this interface and see if there
// are any that do bulk in/out.
- for (UInt8 endpoint = 1; endpoint <= interfaceNumEndpoints; endpoint++) {
+ for (UInt8 endpoint = 1; endpoint <= interfaceNumEndpoints; ++endpoint) {
UInt8 transferType;
- UInt16 maxPacketSize;
+ UInt16 endPointMaxPacketSize = 0;
UInt8 interval;
+
+ // Attempt to retrieve the 'true' packet-size from supported interface.
+ kr = (*interface)
+ ->GetEndpointProperties(interface, 0, endpoint,
+ kUSBOut,
+ &transferType,
+ &endPointMaxPacketSize, &interval);
+ if (kr == kIOReturnSuccess && !endPointMaxPacketSize) {
+ ERR("GetEndpointProperties() returned zero len packet-size");
+ }
+
+ UInt16 pipePropMaxPacketSize;
UInt8 number;
UInt8 direction;
+ // Proceed with extracting the transfer direction, so we can fill in the
+ // appropriate fields (bulkIn or bulkOut).
kr = (*interface)->GetPipeProperties(interface, endpoint,
&direction,
- &number, &transferType, &maxPacketSize, &interval);
+ &number, &transferType, &pipePropMaxPacketSize, &interval);
if (kr == 0) {
if (transferType != kUSBBulk) {
@@ -216,7 +230,8 @@
}
if (handle->info.ifc_protocol == 0x01) {
- handle->zero_mask = maxPacketSize - 1;
+ handle->zero_mask = (endPointMaxPacketSize == 0) ?
+ pipePropMaxPacketSize - 1 : endPointMaxPacketSize - 1;
}
} else {
ERR("could not get pipe properties for endpoint %u (%08x)\n", endpoint, kr);
diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index 49761ac..dd61272 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -223,7 +223,6 @@
"libcutils",
"libcrypto",
"libext4_utils",
- "libfec",
"libfs_mgr_binder",
"liblog",
"liblp",
@@ -252,5 +251,8 @@
},
symlinks: [
"clean_scratch_files",
+ "disable-verity",
+ "enable-verity",
+ "set-verity-state",
],
}
diff --git a/fs_mgr/OWNERS b/fs_mgr/OWNERS
index c6f9054..bd46489 100644
--- a/fs_mgr/OWNERS
+++ b/fs_mgr/OWNERS
@@ -1,4 +1,5 @@
-# Bug component: 30545
+# Bug component: 325626
bowgotsai@google.com
dvander@google.com
elsk@google.com
+yochiang@google.com
diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 432aa4f..b6710d5 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -22,10 +22,33 @@
"name": "vts_libsnapshot_test"
},
{
+ "name": "vab_legacy_tests"
+ },
+ {
+ "name": "vabc_legacy_tests"
+ },
+ {
"name": "libsnapshot_fuzzer_test"
},
{
"name": "cow_api_test"
}
+ ],
+ "kernel-presubmit": [
+ {
+ "name": "vts_libdm_test"
+ },
+ {
+ "name": "vts_core_liblp_test"
+ },
+ {
+ "name": "vts_libsnapshot_test"
+ },
+ {
+ "name": "vab_legacy_tests"
+ },
+ {
+ "name": "vabc_legacy_tests"
+ }
]
}
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 1f54f5b..1c1ab48 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -22,6 +22,7 @@
#include <fcntl.h>
#include <inttypes.h>
#include <libgen.h>
+#include <selinux/selinux.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -30,6 +31,7 @@
#include <sys/stat.h>
#include <sys/swap.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
@@ -903,9 +905,9 @@
// Deal with alternate entries for the same point which are required to be all following
// each other.
if (mounted) {
- LERROR << __FUNCTION__ << "(): skipping fstab dup mountpoint=" << fstab[i].mount_point
- << " rec[" << i << "].fs_type=" << fstab[i].fs_type << " already mounted as "
- << fstab[*attempted_idx].fs_type;
+ LINFO << __FUNCTION__ << "(): skipping fstab dup mountpoint=" << fstab[i].mount_point
+ << " rec[" << i << "].fs_type=" << fstab[i].fs_type << " already mounted as "
+ << fstab[*attempted_idx].fs_type;
continue;
}
@@ -933,9 +935,9 @@
*attempted_idx = i;
mounted = true;
if (i != start_idx) {
- LERROR << __FUNCTION__ << "(): Mounted " << fstab[i].blk_device << " on "
- << fstab[i].mount_point << " with fs_type=" << fstab[i].fs_type
- << " instead of " << fstab[start_idx].fs_type;
+ LINFO << __FUNCTION__ << "(): Mounted " << fstab[i].blk_device << " on "
+ << fstab[i].mount_point << " with fs_type=" << fstab[i].fs_type
+ << " instead of " << fstab[start_idx].fs_type;
}
fs_stat &= ~FS_STAT_FULL_MOUNT_FAILED;
mount_errno = 0;
@@ -2189,36 +2191,22 @@
std::vector<std::string> tokens = android::base::Split(target.data, " \t\r\n");
if (tokens[0] != "0" && tokens[0] != "1") {
LOG(WARNING) << "Unrecognized device mapper version in " << target.data;
- return {};
}
// Hashtree algorithm & root digest are the 8th & 9th token in the output.
- return HashtreeInfo{.algorithm = android::base::Trim(tokens[7]),
- .root_digest = android::base::Trim(tokens[8])};
+ return HashtreeInfo{
+ .algorithm = android::base::Trim(tokens[7]),
+ .root_digest = android::base::Trim(tokens[8]),
+ .check_at_most_once = target.data.find("check_at_most_once") != std::string::npos};
}
return {};
}
bool fs_mgr_verity_is_check_at_most_once(const android::fs_mgr::FstabEntry& entry) {
- if (!entry.fs_mgr_flags.avb) {
- return false;
- }
-
- DeviceMapper& dm = DeviceMapper::Instance();
- std::string device = GetVerityDeviceName(entry);
-
- std::vector<DeviceMapper::TargetInfo> table;
- if (dm.GetState(device) == DmDeviceState::INVALID || !dm.GetTableInfo(device, &table)) {
- return false;
- }
- for (const auto& target : table) {
- if (strcmp(target.spec.target_type, "verity") == 0 &&
- target.data.find("check_at_most_once") != std::string::npos) {
- return true;
- }
- }
- return false;
+ auto hashtree_info = fs_mgr_get_hashtree_info(entry);
+ if (!hashtree_info) return false;
+ return hashtree_info->check_at_most_once;
}
std::string fs_mgr_get_super_partition_name(int slot) {
@@ -2359,3 +2347,49 @@
return true;
}
+
+bool fs_mgr_filesystem_available(const std::string& filesystem) {
+ std::string filesystems;
+ if (!android::base::ReadFileToString("/proc/filesystems", &filesystems)) return false;
+ return filesystems.find("\t" + filesystem + "\n") != std::string::npos;
+}
+
+std::string fs_mgr_get_context(const std::string& mount_point) {
+ char* ctx = nullptr;
+ if (getfilecon(mount_point.c_str(), &ctx) == -1) {
+ PERROR << "getfilecon " << mount_point;
+ return "";
+ }
+
+ std::string context(ctx);
+ free(ctx);
+ return context;
+}
+
+OverlayfsValidResult fs_mgr_overlayfs_valid() {
+ // Overlayfs available in the kernel, and patched for override_creds?
+ if (access("/sys/module/overlay/parameters/override_creds", F_OK) == 0) {
+ return OverlayfsValidResult::kOverrideCredsRequired;
+ }
+ if (!fs_mgr_filesystem_available("overlay")) {
+ return OverlayfsValidResult::kNotSupported;
+ }
+ struct utsname uts;
+ if (uname(&uts) == -1) {
+ return OverlayfsValidResult::kNotSupported;
+ }
+ int major, minor;
+ if (sscanf(uts.release, "%d.%d", &major, &minor) != 2) {
+ return OverlayfsValidResult::kNotSupported;
+ }
+ if (major < 4) {
+ return OverlayfsValidResult::kOk;
+ }
+ if (major > 4) {
+ return OverlayfsValidResult::kNotSupported;
+ }
+ if (minor > 3) {
+ return OverlayfsValidResult::kNotSupported;
+ }
+ return OverlayfsValidResult::kOk;
+}
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 43961da..598a3d2 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -304,13 +304,16 @@
if (!ParseByteCount(arg, &entry->zram_backingdev_size)) {
LWARNING << "Warning: zram_backingdev_size= flag malformed: " << arg;
}
- } else if (StartsWith(flag, "zoned_device=")) {
- std::string zoned;
- if (ReadFileToString("/sys/class/block/" + arg + "/queue/zoned", &zoned) &&
- android::base::StartsWith(zoned, "host-managed")) {
- entry->zoned_device = "/dev/block/" + arg;
- } else {
- LWARNING << "Warning: cannot find the zoned device: " << arg;
+ } else if (flag == "zoned_device") {
+ if (access("/dev/block/by-name/zoned_device", F_OK) == 0) {
+ entry->zoned_device = "/dev/block/by-name/zoned_device";
+
+ // atgc in f2fs does not support a zoned device
+ auto options = Split(entry->fs_options, ",");
+ options.erase(std::remove(options.begin(), options.end(), "atgc"), options.end());
+ entry->fs_options = android::base::Join(options, ",");
+ LINFO << "Removed ATGC in fs_options as " << entry->fs_options
+ << " for zoned device=" << entry->zoned_device;
}
} else {
LWARNING << "Warning: unknown flag: " << flag;
@@ -482,13 +485,21 @@
return boot_devices;
}
-template <typename Pred>
-std::vector<FstabEntry*> GetEntriesByPred(Fstab* fstab, const Pred& pred) {
+// Helper class that maps Fstab* -> FstabEntry; const Fstab* -> const FstabEntry.
+template <typename FstabPtr>
+struct FstabPtrEntry {
+ using is_const_fstab = std::is_const<std::remove_pointer_t<FstabPtr>>;
+ using type = std::conditional_t<is_const_fstab::value, const FstabEntry, FstabEntry>;
+};
+
+template <typename FstabPtr, typename FstabPtrEntryType = typename FstabPtrEntry<FstabPtr>::type,
+ typename Pred>
+std::vector<FstabPtrEntryType*> GetEntriesByPred(FstabPtr fstab, const Pred& pred) {
if (fstab == nullptr) {
return {};
}
- std::vector<FstabEntry*> entries;
- for (auto&& entry : *fstab) {
+ std::vector<FstabPtrEntryType*> entries;
+ for (FstabPtrEntryType& entry : *fstab) {
if (pred(entry)) {
entries.push_back(&entry);
}
@@ -748,10 +759,11 @@
}
#ifdef NO_SKIP_MOUNT
-bool SkipMountingPartitions(Fstab*, bool) {
- return true;
-}
+static constexpr bool kNoSkipMount = true;
#else
+static constexpr bool kNoSkipMount = false;
+#endif
+
// For GSI to skip mounting /product and /system_ext, until there are well-defined interfaces
// between them and /system. Otherwise, the GSI flashed on /system might not be able to work with
// device-specific /product and /system_ext. skip_mount.cfg belongs to system_ext partition because
@@ -759,17 +771,24 @@
// /system/system_ext because GSI is a single system.img that includes the contents of system_ext
// partition and product partition under /system/system_ext and /system/product, respectively.
bool SkipMountingPartitions(Fstab* fstab, bool verbose) {
- static constexpr char kSkipMountConfig[] = "/system/system_ext/etc/init/config/skip_mount.cfg";
-
- std::string skip_config;
- auto save_errno = errno;
- if (!ReadFileToString(kSkipMountConfig, &skip_config)) {
- errno = save_errno; // missing file is expected
+ if (kNoSkipMount) {
return true;
}
+ static constexpr char kSkipMountConfig[] = "/system/system_ext/etc/init/config/skip_mount.cfg";
+
+ std::string skip_mount_config;
+ auto save_errno = errno;
+ if (!ReadFileToString(kSkipMountConfig, &skip_mount_config)) {
+ errno = save_errno; // missing file is expected
+ return true;
+ }
+ return SkipMountWithConfig(skip_mount_config, fstab, verbose);
+}
+
+bool SkipMountWithConfig(const std::string& skip_mount_config, Fstab* fstab, bool verbose) {
std::vector<std::string> skip_mount_patterns;
- for (const auto& line : Split(skip_config, "\n")) {
+ for (const auto& line : Split(skip_mount_config, "\n")) {
if (line.empty() || StartsWith(line, "#")) {
continue;
}
@@ -795,7 +814,6 @@
fstab->erase(remove_from, fstab->end());
return true;
}
-#endif
// Loads the fstab file and combines with fstab entries passed in from device tree.
bool ReadDefaultFstab(Fstab* fstab) {
@@ -822,25 +840,27 @@
return !fstab->empty();
}
-FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path) {
- if (fstab == nullptr) {
- return nullptr;
- }
-
- for (auto& entry : *fstab) {
- if (entry.mount_point == path) {
- return &entry;
- }
- }
-
- return nullptr;
-}
-
std::vector<FstabEntry*> GetEntriesForMountPoint(Fstab* fstab, const std::string& path) {
return GetEntriesByPred(fstab,
[&path](const FstabEntry& entry) { return entry.mount_point == path; });
}
+std::vector<const FstabEntry*> GetEntriesForMountPoint(const Fstab* fstab,
+ const std::string& path) {
+ return GetEntriesByPred(fstab,
+ [&path](const FstabEntry& entry) { return entry.mount_point == path; });
+}
+
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path) {
+ std::vector<FstabEntry*> entries = GetEntriesForMountPoint(fstab, path);
+ return entries.empty() ? nullptr : entries.front();
+}
+
+const FstabEntry* GetEntryForMountPoint(const Fstab* fstab, const std::string& path) {
+ std::vector<const FstabEntry*> entries = GetEntriesForMountPoint(fstab, path);
+ return entries.empty() ? nullptr : entries.front();
+}
+
std::set<std::string> GetBootDevices() {
// First check bootconfig, then kernel commandline, then the device tree
std::string dt_file_name = get_android_dt_dir() + "/boot_devices";
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index 354d02a..6349c20 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -56,6 +56,7 @@
#include <storage_literals/storage_literals.h>
#include "fs_mgr_priv.h"
+#include "fs_mgr_priv_overlayfs.h"
#include "libfiemap/utility.h"
using namespace std::literals;
@@ -67,70 +68,16 @@
namespace {
-bool fs_mgr_access(const std::string& path) {
- auto save_errno = errno;
- auto ret = access(path.c_str(), F_OK) == 0;
- errno = save_errno;
- return ret;
-}
+constexpr char kDataScratchSizeMbProp[] = "fs_mgr.overlayfs.data_scratch_size_mb";
+constexpr char kPreferCacheBackingStorageProp[] = "fs_mgr.overlayfs.prefer_cache_backing_storage";
-// determine if a filesystem is available
-bool fs_mgr_overlayfs_filesystem_available(const std::string& filesystem) {
- std::string filesystems;
- if (!android::base::ReadFileToString("/proc/filesystems", &filesystems)) return false;
- return filesystems.find("\t" + filesystem + "\n") != std::string::npos;
+bool fs_mgr_access(const std::string& path) {
+ return access(path.c_str(), F_OK) == 0;
}
const auto kLowerdirOption = "lowerdir="s;
const auto kUpperdirOption = "upperdir="s;
-} // namespace
-
-#if ALLOW_ADBD_DISABLE_VERITY == 0 // If we are a user build, provide stubs
-
-bool fs_mgr_wants_overlayfs(FstabEntry*) {
- return false;
-}
-
-Fstab fs_mgr_overlayfs_candidate_list(const Fstab&) {
- return {};
-}
-
-bool fs_mgr_overlayfs_mount_all(Fstab*) {
- return false;
-}
-
-bool fs_mgr_overlayfs_setup(const char*, bool* change, bool) {
- if (change) *change = false;
- return false;
-}
-
-bool fs_mgr_overlayfs_teardown(const char*, bool* change) {
- if (change) *change = false;
- return false;
-}
-
-bool fs_mgr_overlayfs_is_setup() {
- return false;
-}
-
-namespace android {
-namespace fs_mgr {
-
-void MapScratchPartitionIfNeeded(Fstab*, const std::function<bool(const std::set<std::string>&)>&) {
-}
-
-void CleanupOldScratchFiles() {}
-
-void TeardownAllOverlayForMountPoint(const std::string&) {}
-
-} // namespace fs_mgr
-} // namespace android
-
-#else // ALLOW_ADBD_DISABLE_VERITY == 0
-
-namespace {
-
bool fs_mgr_in_recovery() {
// Check the existence of recovery binary instead of using the compile time
// __ANDROID_RECOVERY__ macro.
@@ -148,16 +95,17 @@
// is not well-defined. In this case, just return false as being in recovery
// implies not running a DSU system.
if (fs_mgr_in_recovery()) return false;
- auto saved_errno = errno;
- auto ret = android::gsi::IsGsiRunning();
- errno = saved_errno;
- return ret;
+ return android::gsi::IsGsiRunning();
}
// list of acceptable overlayfs backing storage
const auto kScratchMountPoint = "/mnt/scratch"s;
const auto kCacheMountPoint = "/cache"s;
+bool IsABDevice() {
+ return !android::base::GetProperty("ro.boot.slot_suffix", "").empty();
+}
+
std::vector<const std::string> OverlayMountPoints() {
// Never fallback to legacy cache mount point if within a DSU system,
// because running a DSU system implies the device supports dynamic
@@ -165,6 +113,14 @@
if (fs_mgr_is_dsu_running()) {
return {kScratchMountPoint};
}
+
+ // For non-A/B devices prefer cache backing storage if
+ // kPreferCacheBackingStorageProp property set.
+ if (!IsABDevice() && android::base::GetBoolProperty(kPreferCacheBackingStorageProp, false) &&
+ android::base::GetIntProperty("ro.vendor.api_level", -1) < __ANDROID_API_T__) {
+ return {kCacheMountPoint, kScratchMountPoint};
+ }
+
return {kScratchMountPoint, kCacheMountPoint};
}
@@ -179,13 +135,9 @@
return !stat(path.c_str(), &st) && S_ISDIR(st.st_mode);
}
-// Similar test as overlayfs workdir= validation in the kernel for read-write
-// validation, except we use fs_mgr_work. Covers space and storage issues.
-bool fs_mgr_dir_is_writable(const std::string& path) {
- auto test_directory = path + "/fs_mgr_work";
- rmdir(test_directory.c_str());
- auto ret = !mkdir(test_directory.c_str(), 0700);
- return ret | !rmdir(test_directory.c_str());
+bool fs_mgr_rw_access(const std::string& path) {
+ if (path.empty()) return false;
+ return access(path.c_str(), R_OK | W_OK) == 0;
}
// At less than 1% or 8MB of free space return value of false,
@@ -194,9 +146,8 @@
// If we have access issues to find out space remaining, return true
// to prevent us trying to override with overlayfs.
struct statvfs vst;
- auto save_errno = errno;
if (statvfs(mount_point.c_str(), &vst)) {
- errno = save_errno;
+ PLOG(ERROR) << "statvfs " << mount_point;
return true;
}
@@ -242,6 +193,46 @@
return true;
}
+bool fs_mgr_has_shared_blocks(const std::string& mount_point, const std::string& dev) {
+ struct statfs fs;
+ if ((statfs((mount_point + "/lost+found").c_str(), &fs) == -1) ||
+ (fs.f_type != EXT4_SUPER_MAGIC)) {
+ return false;
+ }
+
+ android::base::unique_fd fd(open(dev.c_str(), O_RDONLY | O_CLOEXEC));
+ if (fd < 0) return false;
+
+ struct ext4_super_block sb;
+ if ((TEMP_FAILURE_RETRY(lseek64(fd, 1024, SEEK_SET)) < 0) ||
+ (TEMP_FAILURE_RETRY(read(fd, &sb, sizeof(sb))) < 0)) {
+ return false;
+ }
+
+ struct fs_info info;
+ if (ext4_parse_sb(&sb, &info) < 0) return false;
+
+ return (info.feat_ro_compat & EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS) != 0;
+}
+
+#define F2FS_SUPER_OFFSET 1024
+#define F2FS_FEATURE_OFFSET 2180
+#define F2FS_FEATURE_RO 0x4000
+bool fs_mgr_is_read_only_f2fs(const std::string& dev) {
+ if (!fs_mgr_is_f2fs(dev)) return false;
+
+ android::base::unique_fd fd(open(dev.c_str(), O_RDONLY | O_CLOEXEC));
+ if (fd < 0) return false;
+
+ __le32 feat;
+ if ((TEMP_FAILURE_RETRY(lseek64(fd, F2FS_SUPER_OFFSET + F2FS_FEATURE_OFFSET, SEEK_SET)) < 0) ||
+ (TEMP_FAILURE_RETRY(read(fd, &feat, sizeof(feat))) < 0)) {
+ return false;
+ }
+
+ return (feat & cpu_to_le32(F2FS_FEATURE_RO)) != 0;
+}
+
bool fs_mgr_overlayfs_enabled(FstabEntry* entry) {
// readonly filesystem, can not be mount -o remount,rw
// for squashfs, erofs or if free space is (near) zero making such a remount
@@ -256,27 +247,27 @@
return true;
}
+ // f2fs read-only mode doesn't support remount,rw
+ if (fs_mgr_is_read_only_f2fs(entry->blk_device)) {
+ return true;
+ }
+
// check if ext4 de-dupe
- auto save_errno = errno;
auto has_shared_blocks = fs_mgr_has_shared_blocks(entry->mount_point, entry->blk_device);
if (!has_shared_blocks && (entry->mount_point == "/system")) {
has_shared_blocks = fs_mgr_has_shared_blocks("/", entry->blk_device);
}
- errno = save_errno;
return has_shared_blocks;
}
bool fs_mgr_rm_all(const std::string& path, bool* change = nullptr, int level = 0) {
- auto save_errno = errno;
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(path.c_str()), closedir);
if (!dir) {
if (errno == ENOENT) {
- errno = save_errno;
return true;
}
PERROR << "opendir " << path << " depth=" << level;
if ((errno == EPERM) && (level != 0)) {
- errno = save_errno;
return true;
}
return false;
@@ -288,9 +279,7 @@
auto file = path + "/" + entry->d_name;
if (entry->d_type == DT_UNKNOWN) {
struct stat st;
- save_errno = errno;
if (!lstat(file.c_str(), &st) && (st.st_mode & S_IFDIR)) entry->d_type = DT_DIR;
- errno = save_errno;
}
if (entry->d_type == DT_DIR) {
ret &= fs_mgr_rm_all(file, change, level + 1);
@@ -325,7 +314,7 @@
if (!fs_mgr_is_dir(upper)) continue;
auto work = dir + kWorkName;
if (!fs_mgr_is_dir(work)) continue;
- if (!fs_mgr_dir_is_writable(work)) continue;
+ if (!fs_mgr_rw_access(work)) continue;
return dir;
}
return "";
@@ -342,8 +331,14 @@
return major > 5 || (major == 5 && minor >= 15);
}
+const std::string fs_mgr_mount_point(const std::string& mount_point) {
+ if ("/"s != mount_point) return mount_point;
+ return "/system";
+}
+
// default options for mount_point, returns empty string for none available.
-std::string fs_mgr_get_overlayfs_options(const std::string& mount_point) {
+std::string fs_mgr_get_overlayfs_options(const FstabEntry& entry) {
+ const auto mount_point = fs_mgr_mount_point(entry.mount_point);
auto candidate = fs_mgr_get_overlayfs_candidate(mount_point);
if (candidate.empty()) return "";
auto ret = kLowerdirOption + mount_point + "," + kUpperdirOption + candidate + kUpperName +
@@ -354,95 +349,107 @@
if (KernelSupportsUserXattrs()) {
ret += ",userxattr";
}
- return ret;
-}
-
-const std::string fs_mgr_mount_point(const std::string& mount_point) {
- if ("/"s != mount_point) return mount_point;
- return "/system";
-}
-
-bool fs_mgr_rw_access(const std::string& path) {
- if (path.empty()) return false;
- auto save_errno = errno;
- auto ret = access(path.c_str(), R_OK | W_OK) == 0;
- errno = save_errno;
+ for (const auto& flag : android::base::Split(entry.fs_options, ",")) {
+ if (android::base::StartsWith(flag, "context=")) {
+ ret += "," + flag;
+ }
+ }
return ret;
}
constexpr char kOverlayfsFileContext[] = "u:object_r:overlayfs_file:s0";
-bool fs_mgr_overlayfs_setup_dir(const std::string& dir, std::string* overlay, bool* change) {
- auto ret = true;
- auto top = dir + kOverlayTopDir;
- if (setfscreatecon(kOverlayfsFileContext)) {
- ret = false;
- PERROR << "setfscreatecon " << kOverlayfsFileContext;
- }
- auto save_errno = errno;
- if (!mkdir(top.c_str(), 0755)) {
- if (change) *change = true;
- } else if (errno != EEXIST) {
- ret = false;
- PERROR << "mkdir " << top;
- } else {
- errno = save_errno;
- }
- setfscreatecon(nullptr);
+class AutoSetFsCreateCon final {
+ public:
+ AutoSetFsCreateCon() {}
+ AutoSetFsCreateCon(const std::string& context) { Set(context); }
+ ~AutoSetFsCreateCon() { Restore(); }
- if (overlay) *overlay = std::move(top);
- return ret;
+ bool Ok() const { return ok_; }
+ bool Set(const std::string& context) {
+ if (setfscreatecon(context.c_str())) {
+ PLOG(ERROR) << "setfscreatecon " << context;
+ return false;
+ }
+ ok_ = true;
+ return true;
+ }
+ bool Restore() {
+ if (restored_ || !ok_) {
+ return true;
+ }
+ if (setfscreatecon(nullptr)) {
+ PLOG(ERROR) << "setfscreatecon null";
+ return false;
+ }
+ restored_ = true;
+ return true;
+ }
+
+ private:
+ bool ok_ = false;
+ bool restored_ = false;
+};
+
+std::string fs_mgr_overlayfs_setup_dir(const std::string& dir) {
+ auto top = dir + kOverlayTopDir;
+
+ AutoSetFsCreateCon createcon(kOverlayfsFileContext);
+ if (!createcon.Ok()) {
+ return {};
+ }
+ if (mkdir(top.c_str(), 0755) != 0 && errno != EEXIST) {
+ PERROR << "mkdir " << top;
+ return {};
+ }
+ if (!createcon.Restore()) {
+ return {};
+ }
+ return top;
}
bool fs_mgr_overlayfs_setup_one(const std::string& overlay, const std::string& mount_point,
- bool* change) {
- auto ret = true;
- if (fs_mgr_overlayfs_already_mounted(mount_point)) return ret;
+ bool* want_reboot) {
+ if (fs_mgr_overlayfs_already_mounted(mount_point)) {
+ return true;
+ }
auto fsrec_mount_point = overlay + "/" + android::base::Basename(mount_point) + "/";
- if (setfscreatecon(kOverlayfsFileContext)) {
- ret = false;
- PERROR << "setfscreatecon " << kOverlayfsFileContext;
+ AutoSetFsCreateCon createcon(kOverlayfsFileContext);
+ if (!createcon.Ok()) {
+ return false;
}
- auto save_errno = errno;
- if (!mkdir(fsrec_mount_point.c_str(), 0755)) {
- if (change) *change = true;
- } else if (errno != EEXIST) {
- ret = false;
+ if (mkdir(fsrec_mount_point.c_str(), 0755) != 0 && errno != EEXIST) {
PERROR << "mkdir " << fsrec_mount_point;
- } else {
- errno = save_errno;
+ return false;
+ }
+ if (mkdir((fsrec_mount_point + kWorkName).c_str(), 0755) != 0 && errno != EEXIST) {
+ PERROR << "mkdir " << fsrec_mount_point << kWorkName;
+ return false;
+ }
+ if (!createcon.Restore()) {
+ return false;
}
- save_errno = errno;
- if (!mkdir((fsrec_mount_point + kWorkName).c_str(), 0755)) {
- if (change) *change = true;
- } else if (errno != EEXIST) {
- ret = false;
- PERROR << "mkdir " << fsrec_mount_point << kWorkName;
- } else {
- errno = save_errno;
- }
- setfscreatecon(nullptr);
+ createcon = {};
auto new_context = fs_mgr_get_context(mount_point);
- if (!new_context.empty() && setfscreatecon(new_context.c_str())) {
- ret = false;
- PERROR << "setfscreatecon " << new_context;
+ if (new_context.empty() || !createcon.Set(new_context)) {
+ return false;
}
- auto upper = fsrec_mount_point + kUpperName;
- save_errno = errno;
- if (!mkdir(upper.c_str(), 0755)) {
- if (change) *change = true;
- } else if (errno != EEXIST) {
- ret = false;
- PERROR << "mkdir " << upper;
- } else {
- errno = save_errno;
- }
- if (!new_context.empty()) setfscreatecon(nullptr);
- return ret;
+ auto upper = fsrec_mount_point + kUpperName;
+ if (mkdir(upper.c_str(), 0755) != 0 && errno != EEXIST) {
+ PERROR << "mkdir " << upper;
+ return false;
+ }
+ if (!createcon.Restore()) {
+ return false;
+ }
+
+ if (want_reboot) *want_reboot = true;
+
+ return true;
}
uint32_t fs_mgr_overlayfs_slot_number() {
@@ -462,30 +469,55 @@
return false;
}
-void fs_mgr_overlayfs_umount_scratch() {
- // Lazy umount will allow us to move on and possibly later
- // establish a new fresh mount without requiring a reboot should
- // the developer wish to restart. Old references should melt
- // away or have no data. Main goal is to shut the door on the
- // current overrides with an expectation of a subsequent reboot,
- // thus any errors here are ignored.
- umount2(kScratchMountPoint.c_str(), MNT_DETACH);
- LINFO << "umount(" << kScratchMountPoint << ")";
- rmdir(kScratchMountPoint.c_str());
+// Returns true if immediate unmount succeeded and the scratch mount point was
+// removed.
+bool fs_mgr_overlayfs_umount_scratch() {
+ if (umount(kScratchMountPoint.c_str()) != 0) {
+ return false;
+ }
+ if (rmdir(kScratchMountPoint.c_str()) != 0 && errno != ENOENT) {
+ PLOG(ERROR) << "rmdir " << kScratchMountPoint;
+ }
+ return true;
}
-bool fs_mgr_overlayfs_teardown_scratch(const std::string& overlay, bool* change) {
+OverlayfsTeardownResult TeardownDataScratch(IImageManager* images,
+ const std::string& partition_name, bool was_mounted) {
+ if (!images) {
+ return OverlayfsTeardownResult::Error;
+ }
+ if (!images->DisableImage(partition_name)) {
+ return OverlayfsTeardownResult::Error;
+ }
+ if (was_mounted) {
+ // If overlayfs was mounted, don't bother trying to unmap since
+ // it'll fail and create error spam.
+ return OverlayfsTeardownResult::Busy;
+ }
+ if (!images->UnmapImageIfExists(partition_name)) {
+ return OverlayfsTeardownResult::Busy;
+ }
+ if (!images->DeleteBackingImage(partition_name)) {
+ return OverlayfsTeardownResult::Busy;
+ }
+ return OverlayfsTeardownResult::Ok;
+}
+
+OverlayfsTeardownResult fs_mgr_overlayfs_teardown_scratch(const std::string& overlay,
+ bool* change) {
// umount and delete kScratchMountPoint storage if we have logical partitions
- if (overlay != kScratchMountPoint) return true;
+ if (overlay != kScratchMountPoint) {
+ return OverlayfsTeardownResult::Ok;
+ }
// Validation check.
if (fs_mgr_is_dsu_running()) {
LERROR << "Destroying DSU scratch is not allowed.";
- return false;
+ return OverlayfsTeardownResult::Error;
}
- auto save_errno = errno;
- if (fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false)) {
+ bool was_mounted = fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false);
+ if (was_mounted) {
fs_mgr_overlayfs_umount_scratch();
}
@@ -493,42 +525,40 @@
auto images = IImageManager::Open("remount", 10s);
if (images && images->BackingImageExists(partition_name)) {
-#if defined __ANDROID_RECOVERY__
- if (!images->DisableImage(partition_name)) {
- return false;
- }
-#else
- if (!images->UnmapImageIfExists(partition_name) ||
- !images->DeleteBackingImage(partition_name)) {
- return false;
- }
-#endif
+ // No need to check super partition, if we knew we had a scratch device
+ // in /data.
+ return TeardownDataScratch(images.get(), partition_name, was_mounted);
}
auto slot_number = fs_mgr_overlayfs_slot_number();
auto super_device = fs_mgr_overlayfs_super_device(slot_number);
- if (!fs_mgr_rw_access(super_device)) return true;
+ if (!fs_mgr_rw_access(super_device)) {
+ return OverlayfsTeardownResult::Ok;
+ }
auto builder = MetadataBuilder::New(super_device, slot_number);
if (!builder) {
- errno = save_errno;
- return true;
+ return OverlayfsTeardownResult::Ok;
}
if (builder->FindPartition(partition_name) == nullptr) {
- errno = save_errno;
- return true;
+ return OverlayfsTeardownResult::Ok;
}
builder->RemovePartition(partition_name);
auto metadata = builder->Export();
if (metadata && UpdatePartitionTable(super_device, *metadata.get(), slot_number)) {
if (change) *change = true;
- if (!DestroyLogicalPartition(partition_name)) return false;
+ if (!DestroyLogicalPartition(partition_name)) {
+ return OverlayfsTeardownResult::Error;
+ }
} else {
LERROR << "delete partition " << overlay;
- return false;
+ return OverlayfsTeardownResult::Error;
}
- errno = save_errno;
- return true;
+
+ if (was_mounted) {
+ return OverlayfsTeardownResult::Busy;
+ }
+ return OverlayfsTeardownResult::Ok;
}
bool fs_mgr_overlayfs_teardown_one(const std::string& overlay, const std::string& mount_point,
@@ -546,27 +576,20 @@
const auto newpath = cleanup_all ? overlay + "/." + kOverlayTopDir.substr(1) + ".teardown"
: top + "/." + partition_name + ".teardown";
auto ret = fs_mgr_rm_all(newpath);
- auto save_errno = errno;
if (!rename(oldpath.c_str(), newpath.c_str())) {
if (change) *change = true;
} else if (errno != ENOENT) {
ret = false;
PERROR << "mv " << oldpath << " " << newpath;
- } else {
- errno = save_errno;
}
ret &= fs_mgr_rm_all(newpath, change);
- save_errno = errno;
if (!rmdir(newpath.c_str())) {
if (change) *change = true;
} else if (errno != ENOENT) {
ret = false;
PERROR << "rmdir " << newpath;
- } else {
- errno = save_errno;
}
if (!cleanup_all) {
- save_errno = errno;
if (!rmdir(top.c_str())) {
if (change) *change = true;
cleanup_all = true;
@@ -585,10 +608,8 @@
}
}
}
- errno = save_errno;
} else if (errno == ENOENT) {
cleanup_all = true;
- errno = save_errno;
} else {
ret = false;
PERROR << "rmdir " << top;
@@ -694,12 +715,12 @@
return info;
}
-bool fs_mgr_overlayfs_mount(const std::string& mount_point) {
- auto options = fs_mgr_get_overlayfs_options(mount_point);
+bool fs_mgr_overlayfs_mount(const FstabEntry& entry) {
+ const auto mount_point = fs_mgr_mount_point(entry.mount_point);
+ const auto options = fs_mgr_get_overlayfs_options(entry);
if (options.empty()) return false;
auto retval = true;
- auto save_errno = errno;
struct move_entry {
std::string mount_point;
@@ -729,21 +750,22 @@
}
// use as the bound directory in /dev.
+ AutoSetFsCreateCon createcon;
auto new_context = fs_mgr_get_context(entry.mount_point);
- if (!new_context.empty() && setfscreatecon(new_context.c_str())) {
- PERROR << "setfscreatecon " << new_context;
+ if (new_context.empty() || !createcon.Set(new_context)) {
+ continue;
}
move_entry new_entry = {std::move(entry.mount_point), "/dev/TemporaryDir-XXXXXX",
entry.shared_flag};
const auto target = mkdtemp(new_entry.dir.data());
+ if (!createcon.Restore()) {
+ return false;
+ }
if (!target) {
retval = false;
- save_errno = errno;
PERROR << "temporary directory for MS_BIND";
- setfscreatecon(nullptr);
continue;
}
- setfscreatecon(nullptr);
if (!parent_private && !parent_made_private) {
parent_made_private = fs_mgr_overlayfs_set_shared_mount(mount_point, false);
@@ -753,7 +775,6 @@
}
if (!fs_mgr_overlayfs_move_mount(new_entry.mount_point, new_entry.dir)) {
retval = false;
- save_errno = errno;
if (new_entry.shared_flag) {
fs_mgr_overlayfs_set_shared_mount(new_entry.mount_point, true);
}
@@ -777,7 +798,6 @@
options.c_str());
if (ret) {
retval = false;
- save_errno = errno;
PERROR << report << ret;
} else {
LINFO << report << ret;
@@ -791,11 +811,9 @@
if (!fs_mgr_overlayfs_move_mount(entry.dir, entry.mount_point)) {
retval = false;
- save_errno = errno;
} else if (entry.shared_flag &&
!fs_mgr_overlayfs_set_shared_mount(entry.mount_point, true)) {
retval = false;
- save_errno = errno;
}
rmdir(entry.dir.c_str());
}
@@ -806,50 +824,45 @@
fs_mgr_overlayfs_set_shared_mount(mount_point, true);
}
- errno = save_errno;
return retval;
}
// Mount kScratchMountPoint
-bool fs_mgr_overlayfs_mount_scratch(const std::string& device_path, const std::string mnt_type,
- bool readonly = false) {
+bool MountScratch(const std::string& device_path, bool readonly = false) {
if (readonly) {
- if (!fs_mgr_access(device_path)) return false;
- } else {
- if (!fs_mgr_rw_access(device_path)) return false;
+ if (!fs_mgr_access(device_path)) {
+ LOG(ERROR) << "Path does not exist: " << device_path;
+ return false;
+ }
+ } else if (!fs_mgr_rw_access(device_path)) {
+ LOG(ERROR) << "Path does not exist or is not readwrite: " << device_path;
+ return false;
}
- auto f2fs = fs_mgr_is_f2fs(device_path);
- auto ext4 = fs_mgr_is_ext4(device_path);
- if (!f2fs && !ext4) return false;
+ std::vector<const char*> filesystem_candidates;
+ if (fs_mgr_is_f2fs(device_path)) {
+ filesystem_candidates = {"f2fs", "ext4"};
+ } else if (fs_mgr_is_ext4(device_path)) {
+ filesystem_candidates = {"ext4", "f2fs"};
+ } else {
+ LOG(ERROR) << "Scratch partition is not f2fs or ext4";
+ return false;
+ }
- if (setfscreatecon(kOverlayfsFileContext)) {
- PERROR << "setfscreatecon " << kOverlayfsFileContext;
+ AutoSetFsCreateCon createcon(kOverlayfsFileContext);
+ if (!createcon.Ok()) {
+ return false;
}
if (mkdir(kScratchMountPoint.c_str(), 0755) && (errno != EEXIST)) {
PERROR << "create " << kScratchMountPoint;
+ return false;
}
FstabEntry entry;
entry.blk_device = device_path;
entry.mount_point = kScratchMountPoint;
- entry.fs_type = mnt_type;
- if ((mnt_type == "f2fs") && !f2fs) entry.fs_type = "ext4";
- if ((mnt_type == "ext4") && !ext4) entry.fs_type = "f2fs";
entry.flags = MS_NOATIME | MS_RDONLY;
- auto mounted = true;
if (!readonly) {
- if (entry.fs_type == "ext4") {
- // check if ext4 de-dupe
- entry.flags |= MS_RDONLY;
- auto save_errno = errno;
- mounted = fs_mgr_do_mount_one(entry) == 0;
- if (mounted) {
- mounted = !fs_mgr_has_shared_blocks(entry.mount_point, entry.blk_device);
- fs_mgr_overlayfs_umount_scratch();
- }
- errno = save_errno;
- }
entry.flags &= ~MS_RDONLY;
entry.flags |= MS_SYNCHRONOUS;
entry.fs_options = "nodiscard";
@@ -859,60 +872,27 @@
if (fs_mgr_overlayfs_already_mounted("/data", false)) {
entry.fs_mgr_flags.check = true;
}
- auto save_errno = errno;
- if (mounted) mounted = fs_mgr_do_mount_one(entry) == 0;
- if (!mounted) {
- if ((entry.fs_type == "f2fs") && ext4) {
- entry.fs_type = "ext4";
- mounted = fs_mgr_do_mount_one(entry) == 0;
- } else if ((entry.fs_type == "ext4") && f2fs) {
- entry.fs_type = "f2fs";
- mounted = fs_mgr_do_mount_one(entry) == 0;
+ bool mounted = false;
+ for (auto fs_type : filesystem_candidates) {
+ entry.fs_type = fs_type;
+ if (fs_mgr_do_mount_one(entry) == 0) {
+ mounted = true;
+ break;
}
- if (!mounted) save_errno = errno;
}
- setfscreatecon(nullptr);
- if (!mounted) rmdir(kScratchMountPoint.c_str());
- errno = save_errno;
- return mounted;
+ if (!createcon.Restore()) {
+ return false;
+ }
+ if (!mounted) {
+ rmdir(kScratchMountPoint.c_str());
+ return false;
+ }
+ return true;
}
const std::string kMkF2fs("/system/bin/make_f2fs");
const std::string kMkExt4("/system/bin/mke2fs");
-// Only a suggestion for _first_ try during mounting
-std::string fs_mgr_overlayfs_scratch_mount_type() {
- if (!access(kMkF2fs.c_str(), X_OK) && fs_mgr_overlayfs_filesystem_available("f2fs")) {
- return "f2fs";
- }
- if (!access(kMkExt4.c_str(), X_OK) && fs_mgr_overlayfs_filesystem_available("ext4")) {
- return "ext4";
- }
- return "auto";
-}
-
-// Note: we do not check access() here except for the super partition, since
-// in first-stage init we wouldn't have registed by-name symlinks for "other"
-// partitions that won't be mounted.
-static std::string GetPhysicalScratchDevice() {
- auto slot_number = fs_mgr_overlayfs_slot_number();
- auto super_device = fs_mgr_overlayfs_super_device(slot_number);
- auto path = fs_mgr_overlayfs_super_device(slot_number == 0);
- if (super_device != path) {
- return path;
- }
- if (fs_mgr_access(super_device)) {
- // Do not try to use system_other on a DAP device.
- return "";
- }
-
- auto other_slot = fs_mgr_get_other_slot_suffix();
- if (!other_slot.empty()) {
- return kPhysicalDevice + "system" + other_slot;
- }
- return "";
-}
-
// Note: The scratch partition of DSU is managed by gsid, and should be initialized during
// first-stage-mount. Just check if the DM device for DSU scratch partition is created or not.
static std::string GetDsuScratchDevice() {
@@ -949,28 +929,30 @@
return device;
}
- // There is no dynamic scratch, so try and find a physical one.
- return GetPhysicalScratchDevice();
+ return "";
}
-bool fs_mgr_overlayfs_make_scratch(const std::string& scratch_device, const std::string& mnt_type) {
+bool MakeScratchFilesystem(const std::string& scratch_device) {
// Force mkfs by design for overlay support of adb remount, simplify and
// thus do not rely on fsck to correct problems that could creep in.
+ auto fs_type = ""s;
auto command = ""s;
- if (mnt_type == "f2fs") {
+ if (!access(kMkF2fs.c_str(), X_OK) && fs_mgr_filesystem_available("f2fs")) {
+ fs_type = "f2fs";
command = kMkF2fs + " -w 4096 -f -d1 -l" + android::base::Basename(kScratchMountPoint);
- } else if (mnt_type == "ext4") {
+ } else if (!access(kMkExt4.c_str(), X_OK) && fs_mgr_filesystem_available("ext4")) {
+ fs_type = "ext4";
command = kMkExt4 + " -F -b 4096 -t ext4 -m 0 -O has_journal -M " + kScratchMountPoint;
} else {
- errno = ESRCH;
- LERROR << mnt_type << " has no mkfs cookbook";
+ LERROR << "No supported mkfs command or filesystem driver available, supported filesystems "
+ "are: f2fs, ext4";
return false;
}
command += " " + scratch_device + " >/dev/null 2>/dev/null </dev/null";
fs_mgr_set_blk_ro(scratch_device, false);
auto ret = system(command.c_str());
if (ret) {
- LERROR << "make " << mnt_type << " filesystem on " << scratch_device << " return=" << ret;
+ LERROR << "make " << fs_type << " filesystem on " << scratch_device << " return=" << ret;
return false;
}
return true;
@@ -995,8 +977,7 @@
}
// Create or update a scratch partition within super.
-static bool CreateDynamicScratch(std::string* scratch_device, bool* partition_exists,
- bool* change) {
+static bool CreateDynamicScratch(std::string* scratch_device, bool* partition_exists) {
const auto partition_name = android::base::Basename(kScratchMountPoint);
auto& dm = DeviceMapper::Instance();
@@ -1069,8 +1050,6 @@
LERROR << "add partition " << partition_name;
return false;
}
-
- if (change) *change = true;
}
if (changed || partition_create) {
@@ -1084,8 +1063,6 @@
if (!CreateLogicalPartition(params, scratch_device)) {
return false;
}
-
- if (change) *change = true;
} else if (scratch_device->empty()) {
*scratch_device = GetBootScratchDevice();
}
@@ -1115,9 +1092,8 @@
return ideal_size;
}
-static bool CreateScratchOnData(std::string* scratch_device, bool* partition_exists, bool* change) {
+static bool CreateScratchOnData(std::string* scratch_device, bool* partition_exists) {
*partition_exists = false;
- if (change) *change = false;
auto images = IImageManager::Open("remount", 10s);
if (!images) {
@@ -1130,8 +1106,6 @@
return true;
}
- if (change) *change = true;
-
// Note: calling RemoveDisabledImages here ensures that we do not race with
// clean_scratch_files and accidentally try to map an image that will be
// deleted.
@@ -1139,7 +1113,10 @@
return false;
}
if (!images->BackingImageExists(partition_name)) {
- uint64_t size = GetIdealDataScratchSize();
+ auto size = android::base::GetUintProperty<uint64_t>(kDataScratchSizeMbProp, 0) * 1_MiB;
+ if (!size) {
+ size = GetIdealDataScratchSize();
+ }
if (!size) {
size = 2_GiB;
}
@@ -1153,12 +1130,14 @@
}
if (!images->MapImageDevice(partition_name, 10s, scratch_device)) {
LERROR << "could not map scratch image";
+ // If we cannot use this image, then remove it.
+ TeardownDataScratch(images.get(), partition_name, false /* was_mounted */);
return false;
}
return true;
}
-static bool CanUseSuperPartition(const Fstab& fstab, bool* is_virtual_ab) {
+static bool CanUseSuperPartition(const Fstab& fstab) {
auto slot_number = fs_mgr_overlayfs_slot_number();
auto super_device = fs_mgr_overlayfs_super_device(slot_number);
if (!fs_mgr_rw_access(super_device) || !fs_mgr_overlayfs_has_logical(fstab)) {
@@ -1168,80 +1147,104 @@
if (!metadata) {
return false;
}
- *is_virtual_ab = !!(metadata->header.flags & LP_HEADER_FLAG_VIRTUAL_AB_DEVICE);
return true;
}
bool fs_mgr_overlayfs_create_scratch(const Fstab& fstab, std::string* scratch_device,
- bool* partition_exists, bool* change) {
+ bool* partition_exists) {
// Use the DSU scratch device managed by gsid if within a DSU system.
if (fs_mgr_is_dsu_running()) {
*scratch_device = GetDsuScratchDevice();
*partition_exists = !scratch_device->empty();
- *change = false;
return *partition_exists;
}
- // Try a physical partition first.
- *scratch_device = GetPhysicalScratchDevice();
- if (!scratch_device->empty() && fs_mgr_rw_access(*scratch_device)) {
- *partition_exists = true;
- return true;
- }
-
- // If that fails, see if we can land on super.
- bool is_virtual_ab;
- if (CanUseSuperPartition(fstab, &is_virtual_ab)) {
- bool can_use_data = false;
- if (is_virtual_ab && FilesystemHasReliablePinning("/data", &can_use_data) && can_use_data) {
- return CreateScratchOnData(scratch_device, partition_exists, change);
+ // Try ImageManager on /data first.
+ bool can_use_data = false;
+ if (FilesystemHasReliablePinning("/data", &can_use_data) && can_use_data) {
+ if (CreateScratchOnData(scratch_device, partition_exists)) {
+ return true;
}
- return CreateDynamicScratch(scratch_device, partition_exists, change);
+ LOG(WARNING) << "Failed to allocate scratch on /data, fallback to use free space on super";
}
-
- errno = ENXIO;
+ // If that fails, see if we can land on super.
+ if (CanUseSuperPartition(fstab)) {
+ return CreateDynamicScratch(scratch_device, partition_exists);
+ }
return false;
}
// Create and mount kScratchMountPoint storage if we have logical partitions
-bool fs_mgr_overlayfs_setup_scratch(const Fstab& fstab, bool* change) {
- if (fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false)) return true;
+bool fs_mgr_overlayfs_setup_scratch(const Fstab& fstab) {
+ if (fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false)) {
+ return true;
+ }
std::string scratch_device;
bool partition_exists;
- if (!fs_mgr_overlayfs_create_scratch(fstab, &scratch_device, &partition_exists, change)) {
+ if (!fs_mgr_overlayfs_create_scratch(fstab, &scratch_device, &partition_exists)) {
+ LOG(ERROR) << "Failed to create scratch partition";
return false;
}
// If the partition exists, assume first that it can be mounted.
- auto mnt_type = fs_mgr_overlayfs_scratch_mount_type();
if (partition_exists) {
- if (fs_mgr_overlayfs_mount_scratch(scratch_device, mnt_type)) {
- if (!fs_mgr_access(kScratchMountPoint + kOverlayTopDir) &&
- !fs_mgr_filesystem_has_space(kScratchMountPoint)) {
- // declare it useless, no overrides and no free space
- fs_mgr_overlayfs_umount_scratch();
- } else {
- if (change) *change = true;
+ if (MountScratch(scratch_device)) {
+ if (fs_mgr_access(kScratchMountPoint + kOverlayTopDir) ||
+ fs_mgr_filesystem_has_space(kScratchMountPoint)) {
return true;
}
+ // declare it useless, no overrides and no free space
+ if (!fs_mgr_overlayfs_umount_scratch()) {
+ LOG(ERROR) << "Unable to unmount scratch partition";
+ return false;
+ }
}
- // partition existed, but was not initialized; fall through to make it.
- errno = 0;
}
- if (!fs_mgr_overlayfs_make_scratch(scratch_device, mnt_type)) return false;
+ if (!MakeScratchFilesystem(scratch_device)) {
+ LOG(ERROR) << "Failed to format scratch partition";
+ return false;
+ }
- if (change) *change = true;
-
- return fs_mgr_overlayfs_mount_scratch(scratch_device, mnt_type);
+ return MountScratch(scratch_device);
}
-bool fs_mgr_overlayfs_invalid() {
- if (fs_mgr_overlayfs_valid() == OverlayfsValidResult::kNotSupported) return true;
+#if ALLOW_ADBD_DISABLE_VERITY
+constexpr bool kAllowOverlayfs = true;
+#else
+constexpr bool kAllowOverlayfs = false;
+#endif
+// NOTE: OverlayfsSetupAllowed() must be "stricter" than OverlayfsTeardownAllowed().
+// Setup is allowed only if teardown is also allowed.
+bool OverlayfsSetupAllowed(bool verbose = false) {
+ if (!kAllowOverlayfs) {
+ if (verbose) {
+ LOG(ERROR) << "Overlayfs remounts can only be used in debuggable builds";
+ }
+ return false;
+ }
+ // Check mandatory kernel patches.
+ if (fs_mgr_overlayfs_valid() == OverlayfsValidResult::kNotSupported) {
+ if (verbose) {
+ LOG(ERROR) << "Kernel does not support overlayfs";
+ }
+ return false;
+ }
// in recovery or fastbootd, not allowed!
- return fs_mgr_in_recovery();
+ if (fs_mgr_in_recovery()) {
+ if (verbose) {
+ LOG(ERROR) << "Unsupported overlayfs setup from recovery";
+ }
+ return false;
+ }
+ return true;
+}
+
+constexpr bool OverlayfsTeardownAllowed() {
+ // Never allow on non-debuggable build.
+ return kAllowOverlayfs;
}
} // namespace
@@ -1323,56 +1326,48 @@
if (!WaitForFile(scratch_device, 10s)) {
return;
}
- const auto mount_type = fs_mgr_overlayfs_scratch_mount_type();
- if (!fs_mgr_overlayfs_mount_scratch(scratch_device, mount_type, true /* readonly */)) {
+ if (!MountScratch(scratch_device, true /* readonly */)) {
return;
}
auto has_overlayfs_dir = fs_mgr_access(kScratchMountPoint + kOverlayTopDir);
fs_mgr_overlayfs_umount_scratch();
if (has_overlayfs_dir) {
- fs_mgr_overlayfs_mount_scratch(scratch_device, mount_type);
+ MountScratch(scratch_device);
}
}
bool fs_mgr_overlayfs_mount_all(Fstab* fstab) {
- auto ret = false;
- if (fs_mgr_overlayfs_invalid()) return ret;
-
+ if (!OverlayfsSetupAllowed()) {
+ return false;
+ }
+ auto ret = true;
auto scratch_can_be_mounted = true;
for (const auto& entry : fs_mgr_overlayfs_candidate_list(*fstab)) {
if (fs_mgr_is_verity_enabled(entry)) continue;
auto mount_point = fs_mgr_mount_point(entry.mount_point);
if (fs_mgr_overlayfs_already_mounted(mount_point)) {
- ret = true;
continue;
}
if (scratch_can_be_mounted) {
scratch_can_be_mounted = false;
TryMountScratch();
}
- if (fs_mgr_overlayfs_mount(mount_point)) ret = true;
+ ret &= fs_mgr_overlayfs_mount(entry);
}
return ret;
}
-// Returns false if setup not permitted, errno set to last error.
-// If something is altered, set *change.
-bool fs_mgr_overlayfs_setup(const char* mount_point, bool* change, bool force) {
- if (change) *change = false;
- auto ret = false;
- if (fs_mgr_overlayfs_valid() == OverlayfsValidResult::kNotSupported) return ret;
- if (!fs_mgr_boot_completed()) {
- errno = EBUSY;
- PERROR << "setup";
- return ret;
- }
-
- auto save_errno = errno;
- Fstab fstab;
- if (!ReadDefaultFstab(&fstab)) {
+bool fs_mgr_overlayfs_setup(const Fstab& fstab, const char* mount_point, bool* want_reboot,
+ bool just_disabled_verity) {
+ if (!OverlayfsSetupAllowed(/*verbose=*/true)) {
return false;
}
- errno = save_errno;
+
+ if (!fs_mgr_boot_completed()) {
+ LOG(ERROR) << "Cannot setup overlayfs before persistent properties are ready";
+ return false;
+ }
+
auto candidates = fs_mgr_overlayfs_candidate_list(fstab);
for (auto it = candidates.begin(); it != candidates.end();) {
if (mount_point &&
@@ -1380,9 +1375,8 @@
it = candidates.erase(it);
continue;
}
- save_errno = errno;
- auto verity_enabled = !force && fs_mgr_is_verity_enabled(*it);
- if (errno == ENOENT || errno == ENXIO) errno = save_errno;
+
+ auto verity_enabled = !just_disabled_verity && fs_mgr_is_verity_enabled(*it);
if (verity_enabled) {
it = candidates.erase(it);
continue;
@@ -1390,12 +1384,20 @@
++it;
}
- if (candidates.empty()) return ret;
+ if (candidates.empty()) {
+ if (mount_point) {
+ LOG(ERROR) << "No overlayfs candidate was found for " << mount_point;
+ return false;
+ }
+ return true;
+ }
std::string dir;
for (const auto& overlay_mount_point : OverlayMountPoints()) {
if (overlay_mount_point == kScratchMountPoint) {
- if (!fs_mgr_overlayfs_setup_scratch(fstab, change)) continue;
+ if (!fs_mgr_overlayfs_setup_scratch(fstab)) {
+ continue;
+ }
} else {
if (GetEntryForMountPoint(&fstab, overlay_mount_point) == nullptr) {
continue;
@@ -1405,17 +1407,21 @@
break;
}
if (dir.empty()) {
- if (change && *change) errno = ESRCH;
- if (errno == EPERM) errno = save_errno;
- return ret;
+ LOG(ERROR) << "Could not allocate backing storage for overlays";
+ return false;
}
- std::string overlay;
- ret |= fs_mgr_overlayfs_setup_dir(dir, &overlay, change);
- for (const auto& entry : candidates) {
- ret |= fs_mgr_overlayfs_setup_one(overlay, fs_mgr_mount_point(entry.mount_point), change);
+ const auto overlay = fs_mgr_overlayfs_setup_dir(dir);
+ if (overlay.empty()) {
+ return false;
}
- return ret;
+
+ bool ok = true;
+ for (const auto& entry : candidates) {
+ auto fstab_mount_point = fs_mgr_mount_point(entry.mount_point);
+ ok &= fs_mgr_overlayfs_setup_one(overlay, fstab_mount_point, want_reboot);
+ }
+ return ok;
}
struct MapInfo {
@@ -1517,59 +1523,72 @@
return true;
}
-// Returns false if teardown not permitted, errno set to last error.
-// If something is altered, set *change.
-bool fs_mgr_overlayfs_teardown(const char* mount_point, bool* change) {
- if (change) *change = false;
- auto ret = true;
+static OverlayfsTeardownResult TeardownMountsAndScratch(const char* mount_point,
+ bool* want_reboot) {
+ bool should_destroy_scratch = false;
+ auto rv = OverlayfsTeardownResult::Ok;
+ for (const auto& overlay_mount_point : OverlayMountPoints()) {
+ auto ok = fs_mgr_overlayfs_teardown_one(
+ overlay_mount_point, mount_point ? fs_mgr_mount_point(mount_point) : "",
+ want_reboot,
+ overlay_mount_point == kScratchMountPoint ? &should_destroy_scratch : nullptr);
+ if (!ok) {
+ rv = OverlayfsTeardownResult::Error;
+ }
+ }
+ // Do not attempt to destroy DSU scratch if within a DSU system,
+ // because DSU scratch partition is managed by gsid.
+ if (should_destroy_scratch && !fs_mgr_is_dsu_running()) {
+ auto rv = fs_mgr_overlayfs_teardown_scratch(kScratchMountPoint, want_reboot);
+ if (rv != OverlayfsTeardownResult::Ok) {
+ return rv;
+ }
+ }
+ // And now that we did what we could, lets inform
+ // caller that there may still be more to do.
+ if (!fs_mgr_boot_completed()) {
+ LOG(ERROR) << "Cannot teardown overlayfs before persistent properties are ready";
+ return OverlayfsTeardownResult::Error;
+ }
+ return rv;
+}
+
+// Returns false if teardown not permitted. If something is altered, set *want_reboot.
+OverlayfsTeardownResult fs_mgr_overlayfs_teardown(const char* mount_point, bool* want_reboot) {
+ if (!OverlayfsTeardownAllowed()) {
+ // Nothing to teardown.
+ return OverlayfsTeardownResult::Ok;
+ }
// If scratch exists, but is not mounted, lets gain access to clean
// specific override entries.
auto mount_scratch = false;
if ((mount_point != nullptr) && !fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false)) {
std::string scratch_device = GetBootScratchDevice();
if (!scratch_device.empty()) {
- mount_scratch = fs_mgr_overlayfs_mount_scratch(scratch_device,
- fs_mgr_overlayfs_scratch_mount_type());
+ mount_scratch = MountScratch(scratch_device);
}
}
- bool should_destroy_scratch = false;
- for (const auto& overlay_mount_point : OverlayMountPoints()) {
- ret &= fs_mgr_overlayfs_teardown_one(
- overlay_mount_point, mount_point ? fs_mgr_mount_point(mount_point) : "", change,
- overlay_mount_point == kScratchMountPoint ? &should_destroy_scratch : nullptr);
- }
- // Do not attempt to destroy DSU scratch if within a DSU system,
- // because DSU scratch partition is managed by gsid.
- if (should_destroy_scratch && !fs_mgr_is_dsu_running()) {
- ret &= fs_mgr_overlayfs_teardown_scratch(kScratchMountPoint, change);
- }
- if (fs_mgr_overlayfs_valid() == OverlayfsValidResult::kNotSupported) {
- // After obligatory teardown to make sure everything is clean, but if
- // we didn't want overlayfs in the first place, we do not want to
- // waste time on a reboot (or reboot request message).
- if (change) *change = false;
- }
- // And now that we did what we could, lets inform
- // caller that there may still be more to do.
- if (!fs_mgr_boot_completed()) {
- errno = EBUSY;
- PERROR << "teardown";
- ret = false;
- }
+
+ auto rv = TeardownMountsAndScratch(mount_point, want_reboot);
+
if (mount_scratch) {
- fs_mgr_overlayfs_umount_scratch();
+ if (!fs_mgr_overlayfs_umount_scratch()) {
+ return OverlayfsTeardownResult::Busy;
+ }
}
- return ret;
+ return rv;
}
bool fs_mgr_overlayfs_is_setup() {
+ if (!OverlayfsSetupAllowed()) {
+ return false;
+ }
if (fs_mgr_overlayfs_already_mounted(kScratchMountPoint, false)) return true;
Fstab fstab;
if (!ReadDefaultFstab(&fstab)) {
return false;
}
- if (fs_mgr_overlayfs_invalid()) return false;
for (const auto& entry : fs_mgr_overlayfs_candidate_list(fstab)) {
if (fs_mgr_is_verity_enabled(entry)) continue;
if (fs_mgr_overlayfs_already_mounted(fs_mgr_mount_point(entry.mount_point))) return true;
@@ -1582,7 +1601,7 @@
void MapScratchPartitionIfNeeded(Fstab* fstab,
const std::function<bool(const std::set<std::string>&)>& init) {
- if (fs_mgr_overlayfs_invalid()) {
+ if (!OverlayfsSetupAllowed()) {
return;
}
if (GetEntryForMountPoint(fstab, kScratchMountPoint) != nullptr) {
@@ -1619,6 +1638,9 @@
}
void CleanupOldScratchFiles() {
+ if (!OverlayfsTeardownAllowed()) {
+ return;
+ }
if (!ScratchIsOnData()) {
return;
}
@@ -1628,6 +1650,9 @@
}
void TeardownAllOverlayForMountPoint(const std::string& mount_point) {
+ if (!OverlayfsTeardownAllowed()) {
+ return;
+ }
if (!fs_mgr_in_recovery()) {
LERROR << __FUNCTION__ << "(): must be called within recovery.";
return;
@@ -1658,10 +1683,11 @@
}
}
+ // Note if we just disabled scratch, this mount will fail.
if (auto info = EnsureScratchMapped(); info.has_value()) {
// Map scratch device, mount kScratchMountPoint and teardown kScratchMountPoint.
fs_mgr_overlayfs_umount_scratch();
- if (fs_mgr_overlayfs_mount_scratch(info->device, fs_mgr_overlayfs_scratch_mount_type())) {
+ if (MountScratch(info->device)) {
bool should_destroy_scratch = false;
fs_mgr_overlayfs_teardown_one(kScratchMountPoint, teardown_dir, ignore_change,
&should_destroy_scratch);
@@ -1676,7 +1702,7 @@
std::string scratch_device;
if (MapDsuScratchDevice(&scratch_device)) {
fs_mgr_overlayfs_umount_scratch();
- if (fs_mgr_overlayfs_mount_scratch(scratch_device, fs_mgr_overlayfs_scratch_mount_type())) {
+ if (MountScratch(scratch_device)) {
fs_mgr_overlayfs_teardown_one(kScratchMountPoint, teardown_dir, ignore_change);
fs_mgr_overlayfs_umount_scratch();
}
@@ -1687,15 +1713,11 @@
} // namespace fs_mgr
} // namespace android
-#endif // ALLOW_ADBD_DISABLE_VERITY != 0
-
bool fs_mgr_overlayfs_already_mounted(const std::string& mount_point, bool overlay_only) {
Fstab fstab;
- auto save_errno = errno;
if (!ReadFstabFromFile("/proc/mounts", &fstab)) {
return false;
}
- errno = save_errno;
const auto lowerdir = kLowerdirOption + mount_point;
for (const auto& entry : fstab) {
if (overlay_only && "overlay" != entry.fs_type && "overlayfs" != entry.fs_type) continue;
@@ -1710,64 +1732,3 @@
}
return false;
}
-
-bool fs_mgr_has_shared_blocks(const std::string& mount_point, const std::string& dev) {
- struct statfs fs;
- if ((statfs((mount_point + "/lost+found").c_str(), &fs) == -1) ||
- (fs.f_type != EXT4_SUPER_MAGIC)) {
- return false;
- }
-
- android::base::unique_fd fd(open(dev.c_str(), O_RDONLY | O_CLOEXEC));
- if (fd < 0) return false;
-
- struct ext4_super_block sb;
- if ((TEMP_FAILURE_RETRY(lseek64(fd, 1024, SEEK_SET)) < 0) ||
- (TEMP_FAILURE_RETRY(read(fd, &sb, sizeof(sb))) < 0)) {
- return false;
- }
-
- struct fs_info info;
- if (ext4_parse_sb(&sb, &info) < 0) return false;
-
- return (info.feat_ro_compat & EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS) != 0;
-}
-
-std::string fs_mgr_get_context(const std::string& mount_point) {
- char* ctx = nullptr;
- if (getfilecon(mount_point.c_str(), &ctx) == -1) {
- return "";
- }
-
- std::string context(ctx);
- free(ctx);
- return context;
-}
-
-OverlayfsValidResult fs_mgr_overlayfs_valid() {
- // Overlayfs available in the kernel, and patched for override_creds?
- if (fs_mgr_access("/sys/module/overlay/parameters/override_creds")) {
- return OverlayfsValidResult::kOverrideCredsRequired;
- }
- if (!fs_mgr_overlayfs_filesystem_available("overlay")) {
- return OverlayfsValidResult::kNotSupported;
- }
- struct utsname uts;
- if (uname(&uts) == -1) {
- return OverlayfsValidResult::kNotSupported;
- }
- int major, minor;
- if (sscanf(uts.release, "%d.%d", &major, &minor) != 2) {
- return OverlayfsValidResult::kNotSupported;
- }
- if (major < 4) {
- return OverlayfsValidResult::kOk;
- }
- if (major > 4) {
- return OverlayfsValidResult::kNotSupported;
- }
- if (minor > 3) {
- return OverlayfsValidResult::kNotSupported;
- }
- return OverlayfsValidResult::kOk;
-}
diff --git a/fs_mgr/fs_mgr_priv.h b/fs_mgr/fs_mgr_priv.h
index c5e477c..46cdb62 100644
--- a/fs_mgr/fs_mgr_priv.h
+++ b/fs_mgr/fs_mgr_priv.h
@@ -33,7 +33,7 @@
*/
#define FS_MGR_CHECK(x) CHECK(x) << "in libfs_mgr "
-#define FS_MGR_TAG "[libfs_mgr]"
+#define FS_MGR_TAG "[libfs_mgr] "
// Logs a message to kernel
#define LINFO LOG(INFO) << FS_MGR_TAG
@@ -99,6 +99,16 @@
bool fs_mgr_teardown_verity(android::fs_mgr::FstabEntry* fstab);
+bool fs_mgr_filesystem_available(const std::string& filesystem);
+std::string fs_mgr_get_context(const std::string& mount_point);
+
+enum class OverlayfsValidResult {
+ kNotSupported = 0,
+ kOk,
+ kOverrideCredsRequired,
+};
+OverlayfsValidResult fs_mgr_overlayfs_valid();
+
namespace android {
namespace fs_mgr {
bool UnmapDevice(const std::string& name);
diff --git a/fs_mgr/fs_mgr_priv_overlayfs.h b/fs_mgr/fs_mgr_priv_overlayfs.h
new file mode 100644
index 0000000..2033701
--- /dev/null
+++ b/fs_mgr/fs_mgr_priv_overlayfs.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <fstab/fstab.h>
+
+bool fs_mgr_overlayfs_already_mounted(const std::string& mount_point, bool overlay_only = true);
+bool fs_mgr_wants_overlayfs(android::fs_mgr::FstabEntry* entry);
+android::fs_mgr::Fstab fs_mgr_overlayfs_candidate_list(const android::fs_mgr::Fstab& fstab);
+
+// If "mount_point" is non-null, set up exactly one overlay.
+// If "mount_point" is null, setup any overlays.
+//
+// If |want_reboot| is non-null, and a reboot is needed to apply overlays, then
+// it will be true on return. The caller is responsible for initializing it.
+bool fs_mgr_overlayfs_setup(const android::fs_mgr::Fstab& fstab, const char* mount_point = nullptr,
+ bool* want_reboot = nullptr, bool just_disabled_verity = true);
+
+enum class OverlayfsTeardownResult {
+ Ok,
+ Busy, // Indicates that overlays are still in use.
+ Error
+};
+OverlayfsTeardownResult fs_mgr_overlayfs_teardown(const char* mount_point = nullptr,
+ bool* want_reboot = nullptr);
+
+namespace android {
+namespace fs_mgr {
+
+void CleanupOldScratchFiles();
+
+} // namespace fs_mgr
+} // namespace android
diff --git a/fs_mgr/fs_mgr_remount.cpp b/fs_mgr/fs_mgr_remount.cpp
index 01517b0..5a9f391 100644
--- a/fs_mgr/fs_mgr_remount.cpp
+++ b/fs_mgr/fs_mgr_remount.cpp
@@ -22,6 +22,7 @@
#include <sys/vfs.h>
#include <unistd.h>
+#include <iostream>
#include <string>
#include <thread>
#include <utility>
@@ -33,35 +34,52 @@
#include <android-base/strings.h>
#include <android/os/IVold.h>
#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
-#include <fec/io.h>
#include <fs_mgr_overlayfs.h>
#include <fs_mgr_priv.h>
#include <fstab/fstab.h>
#include <libavb_user/libavb_user.h>
#include <libgsi/libgsid.h>
+#include "fs_mgr_priv_overlayfs.h"
+
using namespace std::literals;
using android::fs_mgr::Fstab;
using android::fs_mgr::FstabEntry;
namespace {
-[[noreturn]] void usage(int exit_status) {
- LOG(INFO) << getprogname()
- << " [-h] [-R] [-T fstab_file] [partition]...\n"
- "\t-h --help\tthis help\n"
- "\t-R --reboot\tdisable verity & reboot to facilitate remount\n"
- "\t-T --fstab\tcustom fstab file location\n"
- "\tpartition\tspecific partition(s) (empty does all)\n"
- "\n"
- "Remount specified partition(s) read-write, by name or mount point.\n"
- "-R notwithstanding, verity must be disabled on partition(s).\n"
- "-R within a DSU guest system reboots into the DSU instead of the host system,\n"
- "this command would enable DSU (one-shot) if not already enabled.";
+void usage() {
+ const std::string progname = getprogname();
+ if (progname == "disable-verity" || progname == "enable-verity" ||
+ progname == "set-verity-state") {
+ std::cout << "Usage: disable-verity\n"
+ << " enable-verity\n"
+ << " set-verity-state [0|1]\n"
+ << R"(
+Options:
+ -h --help this help
+ -R --reboot automatic reboot if needed for new settings to take effect
+ -v --verbose be noisy)"
+ << std::endl;
+ } else {
+ std::cout << "Usage: " << progname << " [-h] [-R] [-T fstab_file] [partition]...\n"
+ << R"(
+Options:
+ -h --help this help
+ -R --reboot disable verity & reboot to facilitate remount
+ -v --verbose be noisy
+ -T --fstab custom fstab file location
+ partition specific partition(s) (empty does all)
- ::exit(exit_status);
+Remount specified partition(s) read-write, by name or mount point.
+-R notwithstanding, verity must be disabled on partition(s).
+-R within a DSU guest system reboots into the DSU instead of the host system,
+this command would enable DSU (one-shot) if not already enabled.)"
+ << std::endl;
+ }
}
const std::string system_mount_point(const android::fs_mgr::FstabEntry& entry) {
@@ -80,23 +98,32 @@
return &(*it);
}
-auto verbose = false;
+class MyLogger {
+ public:
+ explicit MyLogger(bool verbose) : verbose_(verbose) {}
-void MyLogger(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
- const char* file, unsigned int line, const char* message) {
- if (verbose || severity == android::base::ERROR || message[0] != '[') {
- fprintf(stderr, "%s\n", message);
+ void operator()(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
+ const char* file, unsigned int line, const char* message) {
+ // By default, print ERROR logs and logs of this program (does not start with '[')
+ // Print [libfs_mgr] INFO logs only if -v is given.
+ if (verbose_ || severity >= android::base::ERROR || message[0] != '[') {
+ fprintf(stderr, "%s\n", message);
+ }
+ logd_(id, severity, tag, file, line, message);
}
- static auto logd = android::base::LogdLogger();
- logd(id, severity, tag, file, line, message);
-}
-[[noreturn]] void reboot() {
+ private:
+ android::base::LogdLogger logd_;
+ bool verbose_;
+};
+
+[[noreturn]] void reboot(const std::string& name) {
LOG(INFO) << "Rebooting device for new settings to take effect";
::sync();
- android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot,remount");
+ android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot," + name);
::sleep(60);
- ::exit(0); // SUCCESS
+ LOG(ERROR) << "Failed to reboot";
+ ::exit(1);
}
static android::sp<android::os::IVold> GetVold() {
@@ -112,27 +139,6 @@
}
}
-} // namespace
-
-using namespace std::chrono_literals;
-
-enum RemountStatus {
- REMOUNT_SUCCESS = 0,
- NOT_USERDEBUG,
- BADARG,
- NOT_ROOT,
- NO_FSTAB,
- UNKNOWN_PARTITION,
- INVALID_PARTITION,
- VERITY_PARTITION,
- BAD_OVERLAY,
- NO_MOUNTS,
- REMOUNT_FAILED,
- BINDER_ERROR,
- CHECKPOINTING,
- GSID_ERROR,
-};
-
static bool ReadFstab(const char* fstab_file, android::fs_mgr::Fstab* fstab) {
if (fstab_file) {
return android::fs_mgr::ReadFstabFromFile(fstab_file, fstab);
@@ -153,10 +159,10 @@
return true;
}
-static RemountStatus VerifyCheckpointing() {
+bool VerifyCheckpointing() {
if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false) &&
!android::base::GetBoolProperty("ro.virtual_ab.retrofit", false)) {
- return REMOUNT_SUCCESS;
+ return true;
}
// Virtual A/B devices can use /data as backing storage; make sure we're
@@ -165,13 +171,15 @@
bool checkpointing = false;
if (!vold->isCheckpointing(&checkpointing).isOk()) {
LOG(ERROR) << "Could not determine checkpointing status.";
- return BINDER_ERROR;
+ return false;
}
if (checkpointing) {
LOG(ERROR) << "Cannot use remount when a checkpoint is in progress.";
- return CHECKPOINTING;
+ LOG(ERROR) << "To force end checkpointing, call 'vdc checkpoint commitChanges'";
+ LOG(ERROR) << "Warning: this can lead to data corruption if rolled back.";
+ return false;
}
- return REMOUNT_SUCCESS;
+ return true;
}
static bool IsRemountable(Fstab& candidates, const FstabEntry& entry) {
@@ -228,8 +236,7 @@
return partitions;
}
-static RemountStatus GetRemountList(const Fstab& fstab, const std::vector<std::string>& argv,
- Fstab* partitions) {
+bool GetRemountList(const Fstab& fstab, const std::vector<std::string>& argv, Fstab* partitions) {
auto candidates = fs_mgr_overlayfs_candidate_list(fstab);
for (const auto& arg : argv) {
@@ -241,7 +248,7 @@
auto it = FindPartition(fstab, partition);
if (it == fstab.end()) {
LOG(ERROR) << "Unknown partition " << arg;
- return UNKNOWN_PARTITION;
+ return false;
}
const FstabEntry* entry = &*it;
@@ -256,7 +263,7 @@
if (!fs_mgr_overlayfs_already_mounted(entry->mount_point) &&
!IsRemountable(candidates, *entry)) {
LOG(ERROR) << "Invalid partition " << arg;
- return INVALID_PARTITION;
+ return false;
}
if (GetEntryForMountPoint(partitions, entry->mount_point) != nullptr) {
continue;
@@ -264,7 +271,7 @@
partitions->emplace_back(*entry);
}
- return REMOUNT_SUCCESS;
+ return true;
}
struct RemountCheckResult {
@@ -275,57 +282,22 @@
bool remounted_anything = false;
};
-static RemountStatus CheckVerity(const FstabEntry& entry, RemountCheckResult* result) {
- if (!fs_mgr_is_verity_enabled(entry)) {
- return REMOUNT_SUCCESS;
- }
- if (android::base::GetProperty("ro.boot.vbmeta.device_state", "") == "locked") {
- return VERITY_PARTITION;
- }
-
- bool ok = false;
-
- std::unique_ptr<AvbOps, decltype(&::avb_ops_user_free)> ops(avb_ops_user_new(),
- &::avb_ops_user_free);
- if (ops) {
- auto suffix = android::base::GetProperty("ro.boot.slot_suffix", "");
- ok = avb_user_verity_set(ops.get(), suffix.c_str(), false);
- }
- if (!ok && fs_mgr_set_blk_ro(entry.blk_device, false)) {
- fec::io fh(entry.blk_device.c_str(), O_RDWR);
- ok = fh && fh.set_verity_status(false);
- }
- if (!ok) {
- return VERITY_PARTITION;
- }
- result->disabled_verity = true;
- result->reboot_later = true;
- return REMOUNT_SUCCESS;
-}
-
-static RemountStatus CheckVerityAndOverlayfs(Fstab* partitions, RemountCheckResult* result) {
- RemountStatus status = REMOUNT_SUCCESS;
+bool CheckOverlayfs(Fstab* partitions, RemountCheckResult* result) {
+ bool ok = true;
for (auto it = partitions->begin(); it != partitions->end();) {
auto& entry = *it;
const auto& mount_point = entry.mount_point;
- if (auto rv = CheckVerity(entry, result); rv != REMOUNT_SUCCESS) {
- LOG(ERROR) << "Skipping verified partition " << mount_point << " for remount";
- status = rv;
- it = partitions->erase(it);
- continue;
- }
-
if (fs_mgr_wants_overlayfs(&entry)) {
- bool change = false;
+ bool want_reboot = false;
bool force = result->disabled_verity;
- if (!fs_mgr_overlayfs_setup(mount_point.c_str(), &change, force)) {
+ if (!fs_mgr_overlayfs_setup(*partitions, mount_point.c_str(), &want_reboot, force)) {
LOG(ERROR) << "Overlayfs setup for " << mount_point << " failed, skipping";
- status = BAD_OVERLAY;
+ ok = false;
it = partitions->erase(it);
continue;
}
- if (change) {
+ if (want_reboot) {
LOG(INFO) << "Using overlayfs for " << mount_point;
result->reboot_later = true;
result->setup_overlayfs = true;
@@ -333,45 +305,48 @@
}
it++;
}
- return status;
+ return ok;
}
-static RemountStatus EnableDsuIfNeeded() {
+bool EnableDsuIfNeeded() {
auto gsid = android::gsi::GetGsiService();
if (!gsid) {
- return REMOUNT_SUCCESS;
+ return true;
}
auto dsu_running = false;
if (auto status = gsid->isGsiRunning(&dsu_running); !status.isOk()) {
LOG(ERROR) << "Failed to get DSU running state: " << status;
- return BINDER_ERROR;
+ return false;
}
auto dsu_enabled = false;
if (auto status = gsid->isGsiEnabled(&dsu_enabled); !status.isOk()) {
LOG(ERROR) << "Failed to get DSU enabled state: " << status;
- return BINDER_ERROR;
+ return false;
}
if (dsu_running && !dsu_enabled) {
std::string dsu_slot;
if (auto status = gsid->getActiveDsuSlot(&dsu_slot); !status.isOk()) {
LOG(ERROR) << "Failed to get active DSU slot: " << status;
- return BINDER_ERROR;
+ return false;
}
LOG(INFO) << "DSU is running but disabled, enable DSU so that we stay within the "
"DSU guest system after reboot";
int error = 0;
- if (auto status = gsid->enableGsi(/* oneShot = */ true, dsu_slot, &error);
- !status.isOk() || error != android::gsi::IGsiService::INSTALL_OK) {
- LOG(ERROR) << "Failed to enable DSU: " << status << ", error code: " << error;
- return !status.isOk() ? BINDER_ERROR : GSID_ERROR;
+ if (auto status = gsid->enableGsi(/* oneShot = */ true, dsu_slot, &error); !status.isOk()) {
+ LOG(ERROR) << "Failed to enable DSU: " << status;
+ return false;
+ }
+ if (error != android::gsi::IGsiService::INSTALL_OK) {
+ LOG(ERROR) << "Failed to enable DSU, error code: " << error;
+ return false;
}
LOG(INFO) << "Successfully enabled DSU (one-shot mode)";
}
- return REMOUNT_SUCCESS;
+ return true;
}
-static RemountStatus RemountPartition(Fstab& fstab, Fstab& mounts, FstabEntry& entry) {
+bool RemountPartition(Fstab& fstab, Fstab& mounts, FstabEntry& entry) {
// unlock the r/o key for the mount point device
if (entry.fs_mgr_flags.logical) {
fs_mgr_update_logical_partition(&entry);
@@ -398,7 +373,7 @@
}
if (!found) {
PLOG(INFO) << "skip unmounted partition dev:" << blk_device << " mnt:" << mount_point;
- return REMOUNT_SUCCESS;
+ return true;
}
if (blk_device == "/dev/root") {
auto from_fstab = GetEntryForMountPoint(&fstab, mount_point);
@@ -413,95 +388,174 @@
}
// Now remount!
- if (::mount(blk_device.c_str(), mount_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
- nullptr) == 0) {
- return REMOUNT_SUCCESS;
- }
- if ((errno == EINVAL) && (mount_point != entry.mount_point)) {
- mount_point = entry.mount_point;
- if (::mount(blk_device.c_str(), mount_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
+ for (const auto& mnt_point : {mount_point, entry.mount_point}) {
+ if (::mount(blk_device.c_str(), mnt_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
nullptr) == 0) {
- return REMOUNT_SUCCESS;
+ LOG(INFO) << "Remounted " << mnt_point << " as RW";
+ return true;
+ }
+ if (errno != EINVAL || mount_point == entry.mount_point) {
+ break;
}
}
PLOG(ERROR) << "failed to remount partition dev:" << blk_device << " mnt:" << mount_point;
- return REMOUNT_FAILED;
+ return false;
}
-static int do_remount(Fstab& fstab, const std::vector<std::string>& partition_args,
- RemountCheckResult* check_result) {
+struct SetVerityStateResult {
+ bool success = false;
+ bool want_reboot = false;
+};
+
+SetVerityStateResult SetVerityState(bool enable_verity) {
+ const auto ab_suffix = android::base::GetProperty("ro.boot.slot_suffix", "");
+ std::unique_ptr<AvbOps, decltype(&avb_ops_user_free)> ops(avb_ops_user_new(),
+ &avb_ops_user_free);
+ if (!ops) {
+ LOG(ERROR) << "Error getting AVB ops";
+ return {};
+ }
+ if (!avb_user_verity_set(ops.get(), ab_suffix.c_str(), enable_verity)) {
+ LOG(ERROR) << "Error setting verity state";
+ return {};
+ }
+ bool verification_enabled = false;
+ if (!avb_user_verification_get(ops.get(), ab_suffix.c_str(), &verification_enabled)) {
+ LOG(ERROR) << "Error getting verification state";
+ return {};
+ }
+ if (!verification_enabled) {
+ LOG(WARNING) << "AVB verification is disabled, "
+ << (enable_verity ? "enabling" : "disabling")
+ << " verity state may have no effect";
+ return {.success = true, .want_reboot = false};
+ }
+ const auto verity_mode = android::base::GetProperty("ro.boot.veritymode", "");
+ const bool was_enabled = (verity_mode != "disabled");
+ if ((was_enabled && enable_verity) || (!was_enabled && !enable_verity)) {
+ LOG(INFO) << "Verity is already " << (enable_verity ? "enabled" : "disabled");
+ return {.success = true, .want_reboot = false};
+ }
+ LOG(INFO) << "Successfully " << (enable_verity ? "enabled" : "disabled") << " verity";
+ return {.success = true, .want_reboot = true};
+}
+
+bool SetupOrTeardownOverlayfs(bool enable) {
+ bool want_reboot = false;
+ if (enable) {
+ Fstab fstab;
+ if (!ReadDefaultFstab(&fstab)) {
+ LOG(ERROR) << "Could not read fstab.";
+ return want_reboot;
+ }
+ if (!fs_mgr_overlayfs_setup(fstab, nullptr, &want_reboot)) {
+ LOG(ERROR) << "Overlayfs setup failed.";
+ return want_reboot;
+ }
+ if (want_reboot) {
+ printf("enabling overlayfs\n");
+ }
+ } else {
+ auto rv = fs_mgr_overlayfs_teardown(nullptr, &want_reboot);
+ if (rv == OverlayfsTeardownResult::Error) {
+ LOG(ERROR) << "Overlayfs teardown failed.";
+ return want_reboot;
+ }
+ if (rv == OverlayfsTeardownResult::Busy) {
+ LOG(ERROR) << "Overlayfs is still active until reboot.";
+ return true;
+ }
+ if (want_reboot) {
+ printf("disabling overlayfs\n");
+ }
+ }
+ return want_reboot;
+}
+
+bool do_remount(Fstab& fstab, const std::vector<std::string>& partition_args,
+ RemountCheckResult* check_result) {
Fstab partitions;
if (partition_args.empty()) {
partitions = GetAllRemountablePartitions(fstab);
} else {
- if (auto rv = GetRemountList(fstab, partition_args, &partitions); rv != REMOUNT_SUCCESS) {
- return rv;
+ if (!GetRemountList(fstab, partition_args, &partitions)) {
+ return false;
}
}
- // Check verity and optionally setup overlayfs backing.
- auto retval = CheckVerityAndOverlayfs(&partitions, check_result);
+ // Disable verity.
+ auto verity_result = SetVerityState(false /* enable_verity */);
+
+ // Treat error as fatal and suggest reboot only if verity is enabled.
+ // TODO(b/260041315): We check the device mapper for any "<partition>-verity" device present
+ // instead of checking ro.boot.veritymode because emulator has incorrect property value.
+ bool must_disable_verity = false;
+ for (const auto& partition : partitions) {
+ if (fs_mgr_is_verity_enabled(partition)) {
+ must_disable_verity = true;
+ break;
+ }
+ }
+ if (must_disable_verity) {
+ if (!verity_result.success) {
+ return false;
+ }
+ if (verity_result.want_reboot) {
+ check_result->reboot_later = true;
+ check_result->disabled_verity = true;
+ }
+ }
+
+ // Optionally setup overlayfs backing.
+ bool ok = CheckOverlayfs(&partitions, check_result);
if (partitions.empty() || check_result->disabled_verity) {
if (partitions.empty()) {
LOG(WARNING) << "No remountable partitions were found.";
}
- return retval;
+ return ok;
}
// Mount overlayfs.
- errno = 0;
- if (!fs_mgr_overlayfs_mount_all(&partitions) && errno) {
- PLOG(ERROR) << "Can not mount overlayfs for partitions";
- return BAD_OVERLAY;
+ if (!fs_mgr_overlayfs_mount_all(&partitions)) {
+ LOG(WARNING) << "Cannot mount overlayfs for some partitions";
+ // Continue regardless to handle raw remount case.
}
// Get actual mounts _after_ overlayfs has been added.
android::fs_mgr::Fstab mounts;
if (!android::fs_mgr::ReadFstabFromFile("/proc/mounts", &mounts) || mounts.empty()) {
PLOG(ERROR) << "Failed to read /proc/mounts";
- return NO_MOUNTS;
+ return false;
}
// Remount selected partitions.
for (auto& entry : partitions) {
- if (auto rv = RemountPartition(fstab, mounts, entry); rv != REMOUNT_SUCCESS) {
- retval = rv;
- } else {
+ if (RemountPartition(fstab, mounts, entry)) {
check_result->remounted_anything = true;
+ } else {
+ ok = false;
}
}
- return retval;
+ return ok;
}
-static int do_clean_scratch_files() {
- android::fs_mgr::CleanupOldScratchFiles();
- return 0;
-}
+} // namespace
int main(int argc, char* argv[]) {
- android::base::InitLogging(argv, MyLogger);
+ // Do not use MyLogger() when running as clean_scratch_files, as stdout/stderr of daemon process
+ // are discarded.
if (argc > 0 && android::base::Basename(argv[0]) == "clean_scratch_files"s) {
- return do_clean_scratch_files();
+ android::fs_mgr::CleanupOldScratchFiles();
+ return EXIT_SUCCESS;
}
- // Make sure we are root.
- if (::getuid() != 0) {
- LOG(ERROR) << "Not running as root. Try \"adb root\" first.";
- return NOT_ROOT;
- }
-
- // If somehow this executable is delivered on a "user" build, it can
- // not function, so providing a clear message to the caller rather than
- // letting if fall through and provide a lot of confusing failure messages.
- if (!ALLOW_ADBD_DISABLE_VERITY || (android::base::GetProperty("ro.debuggable", "0") != "1")) {
- LOG(ERROR) << "only functions on userdebug or eng builds";
- return NOT_USERDEBUG;
- }
+ android::base::InitLogging(argv, MyLogger(false /* verbose */));
const char* fstab_file = nullptr;
- auto auto_reboot = false;
+ bool auto_reboot = false;
+ bool verbose = false;
std::vector<std::string> partition_args;
struct option longopts[] = {
@@ -509,54 +563,114 @@
{"help", no_argument, nullptr, 'h'},
{"reboot", no_argument, nullptr, 'R'},
{"verbose", no_argument, nullptr, 'v'},
- {"clean_scratch_files", no_argument, nullptr, 'C'},
{0, 0, nullptr, 0},
};
for (int opt; (opt = ::getopt_long(argc, argv, "hRT:v", longopts, nullptr)) != -1;) {
switch (opt) {
case 'h':
- usage(SUCCESS);
- break;
+ usage();
+ return EXIT_SUCCESS;
case 'R':
auto_reboot = true;
break;
case 'T':
if (fstab_file) {
- LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T" << optarg;
- usage(BADARG);
+ LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T " << optarg;
+ usage();
+ return EXIT_FAILURE;
}
fstab_file = optarg;
break;
case 'v':
verbose = true;
break;
- case 'C':
- return do_clean_scratch_files();
default:
- LOG(ERROR) << "Bad Argument -" << char(opt);
- usage(BADARG);
- break;
+ LOG(ERROR) << "Bad argument -" << char(opt);
+ usage();
+ return EXIT_FAILURE;
}
}
- for (; argc > optind; ++optind) {
- partition_args.emplace_back(argv[optind]);
+ if (verbose) {
+ android::base::SetLogger(MyLogger(verbose));
+ }
+
+ bool remount = false;
+ bool enable_verity = false;
+ const std::string progname = getprogname();
+ if (progname == "enable-verity") {
+ enable_verity = true;
+ } else if (progname == "disable-verity") {
+ enable_verity = false;
+ } else if (progname == "set-verity-state") {
+ if (optind < argc && (argv[optind] == "1"s || argv[optind] == "0"s)) {
+ enable_verity = (argv[optind] == "1"s);
+ } else {
+ usage();
+ return EXIT_FAILURE;
+ }
+ } else {
+ remount = true;
+ for (; optind < argc; ++optind) {
+ partition_args.emplace_back(argv[optind]);
+ }
+ }
+
+ // Make sure we are root.
+ if (::getuid() != 0) {
+ LOG(ERROR) << "Not running as root. Try \"adb root\" first.";
+ return EXIT_FAILURE;
+ }
+
+ // If somehow this executable is delivered on a "user" build, it can
+ // not function, so providing a clear message to the caller rather than
+ // letting if fall through and provide a lot of confusing failure messages.
+ if (!ALLOW_ADBD_DISABLE_VERITY || !android::base::GetBoolProperty("ro.debuggable", false)) {
+ LOG(ERROR) << "Device must be userdebug build";
+ return EXIT_FAILURE;
+ }
+
+ if (android::base::GetProperty("ro.boot.verifiedbootstate", "") != "orange") {
+ LOG(ERROR) << "Device must be bootloader unlocked";
+ return EXIT_FAILURE;
+ }
+
+ // Start a threadpool to service waitForService() callbacks as
+ // fs_mgr_overlayfs_* might call waitForService() to get the image service.
+ android::ProcessState::self()->startThreadPool();
+
+ if (!remount) {
+ auto ret = SetVerityState(enable_verity);
+
+ // Disable any overlayfs unconditionally if we want verity enabled.
+ // Enable overlayfs only if verity is successfully disabled or is already disabled.
+ if (enable_verity || ret.success) {
+ ret.want_reboot |= SetupOrTeardownOverlayfs(!enable_verity);
+ }
+
+ if (ret.want_reboot) {
+ if (auto_reboot) {
+ reboot(progname);
+ }
+ std::cout << "Reboot the device for new settings to take effect" << std::endl;
+ }
+ return ret.success ? EXIT_SUCCESS : EXIT_FAILURE;
}
// Make sure checkpointing is disabled if necessary.
- if (auto rv = VerifyCheckpointing(); rv != REMOUNT_SUCCESS) {
- return rv;
+ if (!VerifyCheckpointing()) {
+ return EXIT_FAILURE;
}
// Read the selected fstab.
Fstab fstab;
if (!ReadFstab(fstab_file, &fstab) || fstab.empty()) {
PLOG(ERROR) << "Failed to read fstab";
- return NO_FSTAB;
+ return EXIT_FAILURE;
}
RemountCheckResult check_result;
- int result = do_remount(fstab, partition_args, &check_result);
+ bool remount_success = do_remount(fstab, partition_args, &check_result);
if (check_result.disabled_verity && check_result.setup_overlayfs) {
LOG(INFO) << "Verity disabled; overlayfs enabled.";
@@ -565,27 +679,26 @@
} else if (check_result.setup_overlayfs) {
LOG(INFO) << "Overlayfs enabled.";
}
-
+ if (remount_success && check_result.remounted_anything) {
+ LOG(INFO) << "Remount succeeded";
+ } else if (!remount_success) {
+ LOG(ERROR) << "Remount failed";
+ }
if (check_result.reboot_later) {
if (auto_reboot) {
// If (1) remount requires a reboot to take effect, (2) system is currently
// running a DSU guest and (3) DSU is disabled, then enable DSU so that the
// next reboot would not take us back to the host system but stay within
// the guest system.
- if (auto rv = EnableDsuIfNeeded(); rv != REMOUNT_SUCCESS) {
+ if (!EnableDsuIfNeeded()) {
LOG(ERROR) << "Unable to automatically enable DSU";
- return rv;
+ return EXIT_FAILURE;
}
- reboot();
+ reboot("remount");
} else {
LOG(INFO) << "Now reboot your device for settings to take effect";
}
- return REMOUNT_SUCCESS;
+ return EXIT_SUCCESS;
}
- if (result == REMOUNT_SUCCESS) {
- printf("remount succeeded\n");
- } else {
- printf("remount failed\n");
- }
- return result;
+ return remount_success ? EXIT_SUCCESS : EXIT_FAILURE;
}
diff --git a/fs_mgr/fs_mgr_vendor_overlay.cpp b/fs_mgr/fs_mgr_vendor_overlay.cpp
index 1372511..6b32b4d 100644
--- a/fs_mgr/fs_mgr_vendor_overlay.cpp
+++ b/fs_mgr/fs_mgr_vendor_overlay.cpp
@@ -25,7 +25,6 @@
#include <android-base/logging.h>
#include <android-base/properties.h>
-#include <fs_mgr_overlayfs.h>
#include <fs_mgr_vendor_overlay.h>
#include <fstab/fstab.h>
diff --git a/fs_mgr/fuzz/fs_mgr_fstab_fuzzer.cpp b/fs_mgr/fuzz/fs_mgr_fstab_fuzzer.cpp
index 6a8a191..b5fdad4 100644
--- a/fs_mgr/fuzz/fs_mgr_fstab_fuzzer.cpp
+++ b/fs_mgr/fuzz/fs_mgr_fstab_fuzzer.cpp
@@ -14,13 +14,27 @@
// limitations under the License.
//
-#include <cstdio>
+#include <string>
+#include <vector>
#include <fstab/fstab.h>
+#include <fuzzer/FuzzedDataProvider.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- std::string make_fstab_str(reinterpret_cast<const char*>(data), size);
+ FuzzedDataProvider fdp(data, size);
+
+ std::string make_fstab_str = fdp.ConsumeRandomLengthString();
+ std::string dsu_slot = fdp.ConsumeRandomLengthString(30);
+ std::vector<std::string> dsu_partitions = {
+ fdp.ConsumeRandomLengthString(30),
+ fdp.ConsumeRandomLengthString(30),
+ };
+ std::string skip_mount_config = fdp.ConsumeRemainingBytesAsString();
+
android::fs_mgr::Fstab fstab;
android::fs_mgr::ParseFstabFromString(make_fstab_str, /* proc_mounts = */ false, &fstab);
+ android::fs_mgr::TransformFstabForDsu(&fstab, dsu_slot, dsu_partitions);
+ android::fs_mgr::SkipMountWithConfig(skip_mount_config, &fstab, /* verbose = */ false);
+
return 0;
}
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 29a5e60..43de6d8 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -71,6 +71,8 @@
std::string algorithm;
// The root digest of the merkle tree.
std::string root_digest;
+ // If check_at_most_once is enabled.
+ bool check_at_most_once;
};
// fs_mgr_mount_all() updates fstab entries that reference device-mapper.
diff --git a/fs_mgr/include/fs_mgr_overlayfs.h b/fs_mgr/include/fs_mgr_overlayfs.h
index ec1d78f..bdaabbf 100644
--- a/fs_mgr/include/fs_mgr_overlayfs.h
+++ b/fs_mgr/include/fs_mgr_overlayfs.h
@@ -17,38 +17,21 @@
#pragma once
#include <functional>
+#include <set>
+#include <string>
#include <fstab/fstab.h>
-#include <set>
-#include <string>
-#include <vector>
+// Keep the list short and only add interfaces that must be exported public.
-android::fs_mgr::Fstab fs_mgr_overlayfs_candidate_list(const android::fs_mgr::Fstab& fstab);
-
-bool fs_mgr_wants_overlayfs(android::fs_mgr::FstabEntry* entry);
bool fs_mgr_overlayfs_mount_all(android::fs_mgr::Fstab* fstab);
-bool fs_mgr_overlayfs_setup(const char* mount_point = nullptr, bool* change = nullptr,
- bool force = true);
-bool fs_mgr_overlayfs_teardown(const char* mount_point = nullptr, bool* change = nullptr);
bool fs_mgr_overlayfs_is_setup();
-bool fs_mgr_has_shared_blocks(const std::string& mount_point, const std::string& dev);
-bool fs_mgr_overlayfs_already_mounted(const std::string& mount_point, bool overlay_only = true);
-std::string fs_mgr_get_context(const std::string& mount_point);
-
-enum class OverlayfsValidResult {
- kNotSupported = 0,
- kOk,
- kOverrideCredsRequired,
-};
-OverlayfsValidResult fs_mgr_overlayfs_valid();
namespace android {
namespace fs_mgr {
void MapScratchPartitionIfNeeded(Fstab* fstab,
const std::function<bool(const std::set<std::string>&)>& init);
-void CleanupOldScratchFiles();
// Teardown overlays of all sources (cache dir, scratch device, DSU) for |mount_point|.
// Teardown all overlays if |mount_point| is empty.
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index 689d18b..a914b53 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -97,16 +97,21 @@
bool ParseFstabFromString(const std::string& fstab_str, bool proc_mounts, Fstab* fstab_out);
// Exported for testability. Regular users should use ReadDefaultFstab().
std::string GetFstabPath();
+// Exported for testability.
+bool SkipMountWithConfig(const std::string& skip_config, Fstab* fstab, bool verbose);
bool ReadFstabFromFile(const std::string& path, Fstab* fstab);
bool ReadFstabFromDt(Fstab* fstab, bool verbose = true);
bool ReadDefaultFstab(Fstab* fstab);
bool SkipMountingPartitions(Fstab* fstab, bool verbose = false);
-FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
// The Fstab can contain multiple entries for the same mount point with different configurations.
std::vector<FstabEntry*> GetEntriesForMountPoint(Fstab* fstab, const std::string& path);
+// Like GetEntriesForMountPoint() but return only the first entry or nullptr if no entry is found.
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
+const FstabEntry* GetEntryForMountPoint(const Fstab* fstab, const std::string& path);
+
// This method builds DSU fstab entries and transfer the fstab.
//
// fstab points to the unmodified fstab.
diff --git a/fs_mgr/libdm/Android.bp b/fs_mgr/libdm/Android.bp
index 2bb9035..5cc0346 100644
--- a/fs_mgr/libdm/Android.bp
+++ b/fs_mgr/libdm/Android.bp
@@ -90,19 +90,3 @@
min_shipping_api_level: 29,
},
}
-
-cc_fuzz {
- name: "dm_linear_table_fuzzer",
- defaults: ["fs_mgr_defaults"],
- srcs: [
- "dm_linear_fuzzer.cpp",
- "test_util.cpp",
- ],
- static_libs: [
- "libdm",
- "libbase",
- "libext2_uuid",
- "libfs_mgr",
- "liblog",
- ],
-}
diff --git a/fs_mgr/libdm/dm.cpp b/fs_mgr/libdm/dm.cpp
index 4034e30..deffae1 100644
--- a/fs_mgr/libdm/dm.cpp
+++ b/fs_mgr/libdm/dm.cpp
@@ -20,6 +20,7 @@
#include <sys/ioctl.h>
#include <sys/sysmacros.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <chrono>
#include <functional>
@@ -289,7 +290,7 @@
return true;
}
-bool DeviceMapper::LoadTableAndActivate(const std::string& name, const DmTable& table) {
+bool DeviceMapper::LoadTable(const std::string& name, const DmTable& table) {
std::string ioctl_buffer(sizeof(struct dm_ioctl), 0);
ioctl_buffer += table.Serialize();
@@ -305,9 +306,17 @@
PLOG(ERROR) << "DM_TABLE_LOAD failed";
return false;
}
+ return true;
+}
- InitIo(io, name);
- if (ioctl(fd_, DM_DEV_SUSPEND, io)) {
+bool DeviceMapper::LoadTableAndActivate(const std::string& name, const DmTable& table) {
+ if (!LoadTable(name, table)) {
+ return false;
+ }
+
+ struct dm_ioctl io;
+ InitIo(&io, name);
+ if (ioctl(fd_, DM_DEV_SUSPEND, &io)) {
PLOG(ERROR) << "DM_TABLE_SUSPEND resume failed";
return false;
}
@@ -703,5 +712,28 @@
return dm_block_devices;
}
+bool DeviceMapper::CreatePlaceholderDevice(const std::string& name) {
+ if (!CreateEmptyDevice(name)) {
+ return false;
+ }
+
+ struct utsname uts;
+ unsigned int major, minor;
+ if (uname(&uts) != 0 || sscanf(uts.release, "%u.%u", &major, &minor) != 2) {
+ LOG(ERROR) << "Could not parse the kernel version from uname";
+ return true;
+ }
+
+ // On Linux 5.15+, there is no uevent until DM_TABLE_LOAD.
+ if (major > 5 || (major == 5 && minor >= 15)) {
+ DmTable table;
+ table.Emplace<DmTargetError>(0, 1);
+ if (!LoadTable(name, table)) {
+ return false;
+ }
+ }
+ return true;
+}
+
} // namespace dm
} // namespace android
diff --git a/fs_mgr/libdm/dm_linear_fuzzer.cpp b/fs_mgr/libdm/dm_linear_fuzzer.cpp
deleted file mode 100644
index 8462901..0000000
--- a/fs_mgr/libdm/dm_linear_fuzzer.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <chrono>
-
-#include <android-base/file.h>
-#include <android-base/unique_fd.h>
-#include <libdm/dm_table.h>
-#include <libdm/loop_control.h>
-
-#include "test_util.h"
-
-using namespace android;
-using namespace android::base;
-using namespace android::dm;
-using namespace std;
-using namespace std::chrono_literals;
-
-/*
- * This test aims at making the library crash, so these functions are not
- * really useful.
- * Keeping them here for future use.
- */
-template <class T, class C>
-void ASSERT_EQ(const T& /*a*/, const C& /*b*/) {
- // if (a != b) {}
-}
-
-template <class T>
-void ASSERT_FALSE(const T& /*a*/) {
- // if (a) {}
-}
-
-template <class T, class C>
-void ASSERT_GE(const T& /*a*/, const C& /*b*/) {
- // if (a < b) {}
-}
-
-template <class T, class C>
-void ASSERT_NE(const T& /*a*/, const C& /*b*/) {
- // if (a == b) {}
-}
-
-template <class T>
-void ASSERT_TRUE(const T& /*a*/) {
- // if (!a) {}
-}
-
-template <class T, class C>
-void EXPECT_EQ(const T& a, const C& b) {
- ASSERT_EQ(a, b);
-}
-
-template <class T>
-void EXPECT_TRUE(const T& a) {
- ASSERT_TRUE(a);
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- uint64_t val[6];
-
- if (size != sizeof(val)) {
- return 0;
- }
-
- memcpy(&val, &data[0], sizeof(*val));
-
- unique_fd tmp1(CreateTempFile("file_1", 4096));
- ASSERT_GE(tmp1, 0);
- unique_fd tmp2(CreateTempFile("file_2", 4096));
- ASSERT_GE(tmp2, 0);
-
- LoopDevice loop_a(tmp1, 10s);
- ASSERT_TRUE(loop_a.valid());
- LoopDevice loop_b(tmp2, 10s);
- ASSERT_TRUE(loop_b.valid());
-
- // Define a 2-sector device, with each sector mapping to the first sector
- // of one of our loop devices.
- DmTable table;
- ASSERT_TRUE(table.Emplace<DmTargetLinear>(val[0], val[1], loop_a.device(), val[2]));
- ASSERT_TRUE(table.Emplace<DmTargetLinear>(val[3], val[4], loop_b.device(), val[5]));
- ASSERT_TRUE(table.valid());
- ASSERT_EQ(2u, table.num_sectors());
-
- TempDevice dev("libdm-test-dm-linear", table);
- ASSERT_TRUE(dev.valid());
- ASSERT_FALSE(dev.path().empty());
-
- auto& dm = DeviceMapper::Instance();
-
- dev_t dev_number;
- ASSERT_TRUE(dm.GetDeviceNumber(dev.name(), &dev_number));
- ASSERT_NE(dev_number, 0);
-
- std::string dev_string;
- ASSERT_TRUE(dm.GetDeviceString(dev.name(), &dev_string));
- ASSERT_FALSE(dev_string.empty());
-
- // Test GetTableStatus.
- vector<DeviceMapper::TargetInfo> targets;
- ASSERT_TRUE(dm.GetTableStatus(dev.name(), &targets));
- ASSERT_EQ(targets.size(), 2);
- EXPECT_EQ(strcmp(targets[0].spec.target_type, "linear"), 0);
- EXPECT_TRUE(targets[0].data.empty());
- EXPECT_EQ(targets[0].spec.sector_start, 0);
- EXPECT_EQ(targets[0].spec.length, 1);
- EXPECT_EQ(strcmp(targets[1].spec.target_type, "linear"), 0);
- EXPECT_TRUE(targets[1].data.empty());
- EXPECT_EQ(targets[1].spec.sector_start, 1);
- EXPECT_EQ(targets[1].spec.length, 1);
-
- // Test GetTargetType().
- EXPECT_EQ(DeviceMapper::GetTargetType(targets[0].spec), std::string{"linear"});
- EXPECT_EQ(DeviceMapper::GetTargetType(targets[1].spec), std::string{"linear"});
-
- // Normally the TestDevice destructor would delete this, but at least one
- // test should ensure that device deletion works.
- ASSERT_TRUE(dev.Destroy());
-
- return 0;
-}
diff --git a/fs_mgr/libdm/dm_test.cpp b/fs_mgr/libdm/dm_test.cpp
index 541f254..788cf51 100644
--- a/fs_mgr/libdm/dm_test.cpp
+++ b/fs_mgr/libdm/dm_test.cpp
@@ -19,6 +19,7 @@
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <time.h>
#include <unistd.h>
@@ -690,3 +691,33 @@
// Empty device should be in suspended state.
ASSERT_EQ(DmDeviceState::SUSPENDED, dm.GetState("empty-device"));
}
+
+TEST(libdm, UeventAfterLoadTable) {
+ static const char* kDeviceName = "libdm-test-uevent-load-table";
+
+ struct utsname u;
+ ASSERT_EQ(uname(&u), 0);
+
+ unsigned int major, minor;
+ ASSERT_EQ(sscanf(u.release, "%u.%u", &major, &minor), 2);
+
+ if (major < 5 || (major == 5 && minor < 15)) {
+ GTEST_SKIP() << "Skipping test on kernel < 5.15";
+ }
+
+ DeviceMapper& dm = DeviceMapper::Instance();
+ ASSERT_TRUE(dm.CreateEmptyDevice(kDeviceName));
+
+ DmTable table;
+ table.Emplace<DmTargetError>(0, 1);
+ ASSERT_TRUE(dm.LoadTable(kDeviceName, table));
+
+ std::string ignore_path;
+ ASSERT_TRUE(dm.WaitForDevice(kDeviceName, 5s, &ignore_path));
+
+ auto info = dm.GetDetailedInfo(kDeviceName);
+ ASSERT_TRUE(info.has_value());
+ ASSERT_TRUE(info->IsSuspended());
+
+ ASSERT_TRUE(dm.DeleteDevice(kDeviceName));
+}
diff --git a/fs_mgr/libdm/include/libdm/dm.h b/fs_mgr/libdm/include/libdm/dm.h
index 1057d7f..dbef8f9 100644
--- a/fs_mgr/libdm/include/libdm/dm.h
+++ b/fs_mgr/libdm/include/libdm/dm.h
@@ -75,6 +75,7 @@
const std::chrono::milliseconds& timeout_ms) = 0;
virtual DmDeviceState GetState(const std::string& name) const = 0;
virtual bool LoadTableAndActivate(const std::string& name, const DmTable& table) = 0;
+ virtual bool LoadTable(const std::string& name, const DmTable& table) = 0;
virtual bool GetTableInfo(const std::string& name, std::vector<TargetInfo>* table) = 0;
virtual bool GetTableStatus(const std::string& name, std::vector<TargetInfo>* table) = 0;
virtual bool GetDmDevicePathByName(const std::string& name, std::string* path) = 0;
@@ -116,7 +117,7 @@
bool IsBufferFull() const { return flags_ & DM_BUFFER_FULL_FLAG; }
bool IsInactiveTablePresent() const { return flags_ & DM_INACTIVE_PRESENT_FLAG; }
bool IsReadOnly() const { return flags_ & DM_READONLY_FLAG; }
- bool IsSuspended() const { return flags_ & DM_SUSPEND_FLAG; }
+ bool IsSuspended() const { return !IsActiveTablePresent() || (flags_ & DM_SUSPEND_FLAG); }
};
// Removes a device mapper device with the given name.
@@ -199,6 +200,12 @@
// Returns 'true' on success, false otherwise.
bool LoadTableAndActivate(const std::string& name, const DmTable& table) override;
+ // Same as LoadTableAndActivate, but there is no resume step. This puts the
+ // new table in the inactive slot.
+ //
+ // Returns 'true' on success, false otherwise.
+ bool LoadTable(const std::string& name, const DmTable& table) override;
+
// Returns true if a list of available device mapper targets registered in the kernel was
// successfully read and stored in 'targets'. Returns 'false' otherwise.
bool GetAvailableTargets(std::vector<DmTargetTypeInfo>* targets);
@@ -285,6 +292,12 @@
// Returns mapping <partition-name, /dev/block/dm-x>
std::map<std::string, std::string> FindDmPartitions();
+ // Create a placeholder device. This is useful for ensuring that a uevent is in the pipeline,
+ // to reduce the amount of time a future WaitForDevice will block. On kernels < 5.15, this
+ // simply calls CreateEmptyDevice. On 5.15 and higher, it also loads (but does not activate)
+ // a placeholder table containing dm-error.
+ bool CreatePlaceholderDevice(const std::string& name);
+
private:
// Maximum possible device mapper targets registered in the kernel.
// This is only used to read the list of targets from kernel so we allocate
diff --git a/fs_mgr/libdm/include/libdm/dm_table.h b/fs_mgr/libdm/include/libdm/dm_table.h
index ee66653..427f34d 100644
--- a/fs_mgr/libdm/include/libdm/dm_table.h
+++ b/fs_mgr/libdm/include/libdm/dm_table.h
@@ -31,6 +31,7 @@
class DmTable {
public:
DmTable() : num_sectors_(0), readonly_(false) {}
+ DmTable(DmTable&& other) = default;
// Adds a target to the device mapper table for a range specified in the target object.
// The function will return 'true' if the target was successfully added and doesn't overlap with
@@ -70,6 +71,8 @@
void set_readonly(bool readonly) { readonly_ = readonly; }
bool readonly() const { return readonly_; }
+ DmTable& operator=(DmTable&& other) = default;
+
~DmTable() = default;
private:
diff --git a/fs_mgr/libdm/include/libdm/dm_target.h b/fs_mgr/libdm/include/libdm/dm_target.h
index 9543058..09fe200 100644
--- a/fs_mgr/libdm/include/libdm/dm_target.h
+++ b/fs_mgr/libdm/include/libdm/dm_target.h
@@ -323,6 +323,14 @@
std::string control_device_;
};
+class DmTargetError final : public DmTarget {
+ public:
+ DmTargetError(uint64_t start, uint64_t length) : DmTarget(start, length) {}
+
+ std::string name() const override { return "error"; }
+ std::string GetParameterString() const override { return ""; }
+};
+
} // namespace dm
} // namespace android
diff --git a/fs_mgr/libfiemap/README.md b/fs_mgr/libfiemap/README.md
index 62d610a..cdc80b2 100644
--- a/fs_mgr/libfiemap/README.md
+++ b/fs_mgr/libfiemap/README.md
@@ -35,18 +35,18 @@
We break the problem down into three scenarios.
-### FDE and Metadata Encrypted Devices
+### Metadata Encrypted Devices
-When FDE or metadata encryption is used, `/data` is not mounted from
+When metadata encryption is used, `/data` is not mounted from
`/dev/block/by-name/data`. Instead, it is mounted from an intermediate
-`dm-crypt` or `dm-default-key` device. This means the underlying device is
-not marked in use, and we can create new dm-linear devices on top of it.
+`dm-default-key` device. This means the underlying device is not marked in use,
+and we can create new dm-linear devices on top of it.
On these devices, a block device for an image will consist of a single
device-mapper device with a `dm-linear` table entry for each extent in the
backing file.
-### Unencrypted and FBE-encrypted Devices
+### Unencrypted and FBE-only Devices
When a device is unencrypted, or is encrypted with FBE but not metadata
encryption, we instead use a loop device with `LOOP_SET_DIRECT_IO` enabled.
diff --git a/fs_mgr/libfiemap/binder.cpp b/fs_mgr/libfiemap/binder.cpp
index 003e6ed..41e534a 100644
--- a/fs_mgr/libfiemap/binder.cpp
+++ b/fs_mgr/libfiemap/binder.cpp
@@ -195,9 +195,14 @@
return true;
}
-bool ImageManagerBinder::DisableImage(const std::string&) {
- LOG(ERROR) << __PRETTY_FUNCTION__ << " is not available over binder";
- return false;
+bool ImageManagerBinder::DisableImage(const std::string& name) {
+ auto status = manager_->disableImage(name);
+ if (!status.isOk()) {
+ LOG(ERROR) << __PRETTY_FUNCTION__
+ << " binder returned: " << status.exceptionMessage().string();
+ return false;
+ }
+ return true;
}
bool ImageManagerBinder::RemoveDisabledImages() {
diff --git a/fs_mgr/libfiemap/include/libfiemap/image_manager.h b/fs_mgr/libfiemap/include/libfiemap/image_manager.h
index 00dd661..0619c96 100644
--- a/fs_mgr/libfiemap/include/libfiemap/image_manager.h
+++ b/fs_mgr/libfiemap/include/libfiemap/image_manager.h
@@ -112,9 +112,6 @@
// Mark an image as disabled. This is useful for marking an image as
// will-be-deleted in recovery, since recovery cannot mount /data.
- //
- // This is not available in binder, since it is intended for recovery.
- // When binder is available, images can simply be removed.
virtual bool DisableImage(const std::string& name) = 0;
// Remove all images that been marked as disabled.
diff --git a/fs_mgr/libfs_avb/avb_ops.cpp b/fs_mgr/libfs_avb/avb_ops.cpp
index 46072bb..088749d 100644
--- a/fs_mgr/libfs_avb/avb_ops.cpp
+++ b/fs_mgr/libfs_avb/avb_ops.cpp
@@ -26,8 +26,10 @@
#include <errno.h>
#include <fcntl.h>
+#include <linux/fs.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/ioctl.h>
#include <sys/stat.h>
#include <string>
@@ -96,13 +98,11 @@
return AVB_IO_RESULT_OK;
}
-static AvbIOResult no_op_get_size_of_partition(AvbOps* ops ATTRIBUTE_UNUSED,
- const char* partition ATTRIBUTE_UNUSED,
- uint64_t* out_size_num_byte) {
- // The function is for bootloader to load entire content of AVB HASH partitions.
- // In user-space, returns 0 as we only need to set up AVB HASHTHREE partitions.
- *out_size_num_byte = 0;
- return AVB_IO_RESULT_OK;
+static AvbIOResult get_size_of_partition(AvbOps* ops ATTRIBUTE_UNUSED,
+ const char* partition ATTRIBUTE_UNUSED,
+ uint64_t* out_size_num_byte) {
+ return FsManagerAvbOps::GetInstanceFromAvbOps(ops)->GetSizeOfPartition(partition,
+ out_size_num_byte);
}
// Converts a partition name (with ab_suffix) to the corresponding mount point.
@@ -131,7 +131,7 @@
avb_ops_.validate_vbmeta_public_key = no_op_validate_vbmeta_public_key;
avb_ops_.read_is_device_unlocked = no_op_read_is_device_unlocked;
avb_ops_.get_unique_guid_for_partition = no_op_get_unique_guid_for_partition;
- avb_ops_.get_size_of_partition = no_op_get_size_of_partition;
+ avb_ops_.get_size_of_partition = get_size_of_partition;
// Sets user_data for GetInstanceFromAvbOps() to convert it back to FsManagerAvbOps.
avb_ops_.user_data = this;
@@ -167,13 +167,8 @@
return "";
}
-
-AvbIOResult FsManagerAvbOps::ReadFromPartition(const char* partition, int64_t offset,
- size_t num_bytes, void* buffer,
- size_t* out_num_read) {
+std::string FsManagerAvbOps::GetPartitionPath(const char* partition) {
std::string path = "/dev/block/by-name/"s + partition;
-
- // Ensures the device path (a symlink created by init) is ready to access.
if (!WaitForFile(path, 1s)) {
LERROR << "Device path not found: " << path;
// Falls back to logical path if the physical path is not found.
@@ -182,8 +177,36 @@
// the bootloader failed to read a physical partition, it will failed to boot
// the HLOS and we won't reach the code here.
path = GetLogicalPath(partition);
- if (path.empty() || !WaitForFile(path, 1s)) return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
- LINFO << "Fallback to use logical device path: " << path;
+ if (path.empty() || !WaitForFile(path, 1s)) return "";
+ }
+ return path;
+}
+
+AvbIOResult FsManagerAvbOps::GetSizeOfPartition(const char* partition,
+ uint64_t* out_size_num_byte) {
+ const auto path = GetPartitionPath(partition);
+ if (path.empty()) {
+ return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
+ }
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_CLOEXEC)));
+ if (fd < 0) {
+ PERROR << "Failed to open " << path;
+ return AVB_IO_RESULT_ERROR_IO;
+ }
+ int err = ioctl(fd, BLKGETSIZE64, out_size_num_byte);
+ if (err) {
+ out_size_num_byte = 0;
+ return AVB_IO_RESULT_ERROR_IO;
+ }
+ return AVB_IO_RESULT_OK;
+}
+
+AvbIOResult FsManagerAvbOps::ReadFromPartition(const char* partition, int64_t offset,
+ size_t num_bytes, void* buffer,
+ size_t* out_num_read) {
+ std::string path = GetPartitionPath(partition);
+ if (path.empty()) {
+ return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
}
android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_CLOEXEC)));
diff --git a/fs_mgr/libfs_avb/avb_ops.h b/fs_mgr/libfs_avb/avb_ops.h
index b39812d..12686a6 100644
--- a/fs_mgr/libfs_avb/avb_ops.h
+++ b/fs_mgr/libfs_avb/avb_ops.h
@@ -56,12 +56,14 @@
AvbIOResult ReadFromPartition(const char* partition, int64_t offset, size_t num_bytes,
void* buffer, size_t* out_num_read);
+ AvbIOResult GetSizeOfPartition(const char* partition, uint64_t* out_size_num_byte);
AvbSlotVerifyResult AvbSlotVerify(const std::string& ab_suffix, AvbSlotVerifyFlags flags,
std::vector<VBMetaData>* out_vbmeta_images);
private:
std::string GetLogicalPath(const std::string& partition_name);
+ std::string GetPartitionPath(const char* partition_name);
AvbOps avb_ops_;
Fstab fstab_;
};
diff --git a/fs_mgr/libfs_avb/util.h b/fs_mgr/libfs_avb/util.h
index 427ab7c..29d1e9c 100644
--- a/fs_mgr/libfs_avb/util.h
+++ b/fs_mgr/libfs_avb/util.h
@@ -31,7 +31,7 @@
using android::base::ErrnoError;
using android::base::Result;
-#define FS_AVB_TAG "[libfs_avb]"
+#define FS_AVB_TAG "[libfs_avb] "
// Logs a message to kernel
#define LINFO LOG(INFO) << FS_AVB_TAG
diff --git a/fs_mgr/liblp/utility.h b/fs_mgr/liblp/utility.h
index aa3a6a0..32a59a5 100644
--- a/fs_mgr/liblp/utility.h
+++ b/fs_mgr/liblp/utility.h
@@ -30,7 +30,7 @@
#include "liblp/liblp.h"
-#define LP_TAG "[liblp]"
+#define LP_TAG "[liblp] "
#define LWARN LOG(WARNING) << LP_TAG
#define LINFO LOG(INFO) << LP_TAG
#define LERROR LOG(ERROR) << LP_TAG
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index d5e85e6..c2f435f 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -173,10 +173,11 @@
"libsnapshot_cow_defaults",
],
srcs: [
- "cow_decompress.cpp",
- "cow_reader.cpp",
- "cow_writer.cpp",
- "cow_format.cpp",
+ "libsnapshot_cow/cow_decompress.cpp",
+ "libsnapshot_cow/cow_reader.cpp",
+ "libsnapshot_cow/cow_writer.cpp",
+ "libsnapshot_cow/cow_format.cpp",
+ "libsnapshot_cow/cow_compress.cpp",
],
host_supported: true,
recovery_available: true,
@@ -260,6 +261,7 @@
},
auto_gen_config: true,
require_root: true,
+ compile_multilib: "first",
}
cc_test {
@@ -267,14 +269,19 @@
defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
}
-sh_test {
- name: "run_snapshot_tests",
- src: "run_snapshot_tests.sh",
- test_suites: [
- "device-tests",
+cc_test {
+ name: "vab_legacy_tests",
+ defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+ cppflags: [
+ "-DLIBSNAPSHOT_TEST_VAB_LEGACY",
],
- required: [
- "vts_libsnapshot_test",
+}
+
+cc_test {
+ name: "vabc_legacy_tests",
+ defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+ cppflags: [
+ "-DLIBSNAPSHOT_TEST_VABC_LEGACY",
],
}
@@ -323,6 +330,22 @@
"libstatslog",
"libutils",
],
+ header_libs: [
+ "libstorage_literals_headers",
+ ],
+ product_variables: {
+ debuggable: {
+ cppflags: [
+ "-DSNAPSHOTCTL_USERDEBUG_OR_ENG",
+ ],
+ shared_libs: [
+ "android.hardware.boot@1.0",
+ "android.hardware.boot@1.1",
+ "android.hardware.boot-V1-ndk",
+ "libboot_control_client",
+ ],
+ },
+ },
}
cc_test {
@@ -424,7 +447,7 @@
"libsnapshot_cow_defaults",
],
srcs: [
- "cow_api_test.cpp",
+ "libsnapshot_cow/cow_api_test.cpp",
],
cflags: [
"-D_FILE_OFFSET_BITS=64",
@@ -546,7 +569,7 @@
shared_libs: [
],
srcs: [
- "inspect_cow.cpp",
+ "libsnapshot_cow/inspect_cow.cpp",
],
}
diff --git a/fs_mgr/libsnapshot/cow_writer.cpp b/fs_mgr/libsnapshot/cow_writer.cpp
deleted file mode 100644
index 7281fc2..0000000
--- a/fs_mgr/libsnapshot/cow_writer.cpp
+++ /dev/null
@@ -1,634 +0,0 @@
-//
-// Copyright (C) 2020 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <limits>
-#include <queue>
-
-#include <android-base/file.h>
-#include <android-base/logging.h>
-#include <android-base/unique_fd.h>
-#include <brotli/encode.h>
-#include <libsnapshot/cow_format.h>
-#include <libsnapshot/cow_reader.h>
-#include <libsnapshot/cow_writer.h>
-#include <lz4.h>
-#include <zlib.h>
-
-namespace android {
-namespace snapshot {
-
-static_assert(sizeof(off_t) == sizeof(uint64_t));
-
-using android::base::borrowed_fd;
-using android::base::unique_fd;
-
-bool ICowWriter::AddCopy(uint64_t new_block, uint64_t old_block) {
- if (!ValidateNewBlock(new_block)) {
- return false;
- }
- return EmitCopy(new_block, old_block);
-}
-
-bool ICowWriter::AddRawBlocks(uint64_t new_block_start, const void* data, size_t size) {
- if (size % options_.block_size != 0) {
- LOG(ERROR) << "AddRawBlocks: size " << size << " is not a multiple of "
- << options_.block_size;
- return false;
- }
-
- uint64_t num_blocks = size / options_.block_size;
- uint64_t last_block = new_block_start + num_blocks - 1;
- if (!ValidateNewBlock(last_block)) {
- return false;
- }
- return EmitRawBlocks(new_block_start, data, size);
-}
-
-bool ICowWriter::AddXorBlocks(uint32_t new_block_start, const void* data, size_t size,
- uint32_t old_block, uint16_t offset) {
- if (size % options_.block_size != 0) {
- LOG(ERROR) << "AddRawBlocks: size " << size << " is not a multiple of "
- << options_.block_size;
- return false;
- }
-
- uint64_t num_blocks = size / options_.block_size;
- uint64_t last_block = new_block_start + num_blocks - 1;
- if (!ValidateNewBlock(last_block)) {
- return false;
- }
- if (offset >= options_.block_size) {
- LOG(ERROR) << "AddXorBlocks: offset " << offset << " is not less than "
- << options_.block_size;
- }
- return EmitXorBlocks(new_block_start, data, size, old_block, offset);
-}
-
-bool ICowWriter::AddZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) {
- uint64_t last_block = new_block_start + num_blocks - 1;
- if (!ValidateNewBlock(last_block)) {
- return false;
- }
- return EmitZeroBlocks(new_block_start, num_blocks);
-}
-
-bool ICowWriter::AddLabel(uint64_t label) {
- return EmitLabel(label);
-}
-
-bool ICowWriter::AddSequenceData(size_t num_ops, const uint32_t* data) {
- return EmitSequenceData(num_ops, data);
-}
-
-bool ICowWriter::ValidateNewBlock(uint64_t new_block) {
- if (options_.max_blocks && new_block >= options_.max_blocks.value()) {
- LOG(ERROR) << "New block " << new_block << " exceeds maximum block count "
- << options_.max_blocks.value();
- return false;
- }
- return true;
-}
-
-CowWriter::CowWriter(const CowOptions& options) : ICowWriter(options), fd_(-1) {
- SetupHeaders();
-}
-
-void CowWriter::SetupHeaders() {
- header_ = {};
- header_.magic = kCowMagicNumber;
- header_.major_version = kCowVersionMajor;
- header_.minor_version = kCowVersionMinor;
- header_.header_size = sizeof(CowHeader);
- header_.footer_size = sizeof(CowFooter);
- header_.op_size = sizeof(CowOperation);
- header_.block_size = options_.block_size;
- header_.num_merge_ops = options_.num_merge_ops;
- header_.cluster_ops = options_.cluster_ops;
- header_.buffer_size = 0;
- footer_ = {};
- footer_.op.data_length = 64;
- footer_.op.type = kCowFooterOp;
-}
-
-bool CowWriter::ParseOptions() {
- if (options_.compression == "gz") {
- compression_ = kCowCompressGz;
- } else if (options_.compression == "brotli") {
- compression_ = kCowCompressBrotli;
- } else if (options_.compression == "lz4") {
- compression_ = kCowCompressLz4;
- } else if (options_.compression == "none") {
- compression_ = kCowCompressNone;
- } else if (!options_.compression.empty()) {
- LOG(ERROR) << "unrecognized compression: " << options_.compression;
- return false;
- }
- if (options_.cluster_ops == 1) {
- LOG(ERROR) << "Clusters must contain at least two operations to function.";
- return false;
- }
- return true;
-}
-
-bool CowWriter::SetFd(android::base::borrowed_fd fd) {
- if (fd.get() < 0) {
- owned_fd_.reset(open("/dev/null", O_RDWR | O_CLOEXEC));
- if (owned_fd_ < 0) {
- PLOG(ERROR) << "open /dev/null failed";
- return false;
- }
- fd_ = owned_fd_;
- is_dev_null_ = true;
- } else {
- fd_ = fd;
-
- struct stat stat;
- if (fstat(fd.get(), &stat) < 0) {
- PLOG(ERROR) << "fstat failed";
- return false;
- }
- is_block_device_ = S_ISBLK(stat.st_mode);
- }
- return true;
-}
-
-bool CowWriter::Initialize(unique_fd&& fd) {
- owned_fd_ = std::move(fd);
- return Initialize(borrowed_fd{owned_fd_});
-}
-
-bool CowWriter::Initialize(borrowed_fd fd) {
- if (!SetFd(fd) || !ParseOptions()) {
- return false;
- }
-
- return OpenForWrite();
-}
-
-bool CowWriter::InitializeAppend(android::base::unique_fd&& fd, uint64_t label) {
- owned_fd_ = std::move(fd);
- return InitializeAppend(android::base::borrowed_fd{owned_fd_}, label);
-}
-
-bool CowWriter::InitializeAppend(android::base::borrowed_fd fd, uint64_t label) {
- if (!SetFd(fd) || !ParseOptions()) {
- return false;
- }
-
- return OpenForAppend(label);
-}
-
-void CowWriter::InitPos() {
- next_op_pos_ = sizeof(header_) + header_.buffer_size;
- cluster_size_ = header_.cluster_ops * sizeof(CowOperation);
- if (header_.cluster_ops) {
- next_data_pos_ = next_op_pos_ + cluster_size_;
- } else {
- next_data_pos_ = next_op_pos_ + sizeof(CowOperation);
- }
- ops_.clear();
- current_cluster_size_ = 0;
- current_data_size_ = 0;
-}
-
-bool CowWriter::OpenForWrite() {
- // This limitation is tied to the data field size in CowOperation.
- if (header_.block_size > std::numeric_limits<uint16_t>::max()) {
- LOG(ERROR) << "Block size is too large";
- return false;
- }
-
- if (lseek(fd_.get(), 0, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed";
- return false;
- }
-
- if (options_.scratch_space) {
- header_.buffer_size = BUFFER_REGION_DEFAULT_SIZE;
- }
-
- // Headers are not complete, but this ensures the file is at the right
- // position.
- if (!android::base::WriteFully(fd_, &header_, sizeof(header_))) {
- PLOG(ERROR) << "write failed";
- return false;
- }
-
- if (options_.scratch_space) {
- // Initialize the scratch space
- std::string data(header_.buffer_size, 0);
- if (!android::base::WriteFully(fd_, data.data(), header_.buffer_size)) {
- PLOG(ERROR) << "writing scratch space failed";
- return false;
- }
- }
-
- if (!Sync()) {
- LOG(ERROR) << "Header sync failed";
- return false;
- }
-
- if (lseek(fd_.get(), sizeof(header_) + header_.buffer_size, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed";
- return false;
- }
-
- InitPos();
-
- return true;
-}
-
-bool CowWriter::OpenForAppend(uint64_t label) {
- auto reader = std::make_unique<CowReader>();
- std::queue<CowOperation> toAdd;
-
- if (!reader->Parse(fd_, {label}) || !reader->GetHeader(&header_)) {
- return false;
- }
-
- options_.block_size = header_.block_size;
- options_.cluster_ops = header_.cluster_ops;
-
- // Reset this, since we're going to reimport all operations.
- footer_.op.num_ops = 0;
- InitPos();
-
- auto iter = reader->GetOpIter();
-
- while (!iter->Done()) {
- AddOperation(iter->Get());
- iter->Next();
- }
-
- // Free reader so we own the descriptor position again.
- reader = nullptr;
-
- if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed";
- return false;
- }
- return EmitClusterIfNeeded();
-}
-
-bool CowWriter::EmitCopy(uint64_t new_block, uint64_t old_block) {
- CHECK(!merge_in_progress_);
- CowOperation op = {};
- op.type = kCowCopyOp;
- op.new_block = new_block;
- op.source = old_block;
- return WriteOperation(op);
-}
-
-bool CowWriter::EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) {
- return EmitBlocks(new_block_start, data, size, 0, 0, kCowReplaceOp);
-}
-
-bool CowWriter::EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size,
- uint32_t old_block, uint16_t offset) {
- return EmitBlocks(new_block_start, data, size, old_block, offset, kCowXorOp);
-}
-
-bool CowWriter::EmitBlocks(uint64_t new_block_start, const void* data, size_t size,
- uint64_t old_block, uint16_t offset, uint8_t type) {
- const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
- CHECK(!merge_in_progress_);
- for (size_t i = 0; i < size / header_.block_size; i++) {
- CowOperation op = {};
- op.new_block = new_block_start + i;
- op.type = type;
- if (type == kCowXorOp) {
- op.source = (old_block + i) * header_.block_size + offset;
- } else {
- op.source = next_data_pos_;
- }
-
- if (compression_) {
- auto data = Compress(iter, header_.block_size);
- if (data.empty()) {
- PLOG(ERROR) << "AddRawBlocks: compression failed";
- return false;
- }
- if (data.size() > std::numeric_limits<uint16_t>::max()) {
- LOG(ERROR) << "Compressed block is too large: " << data.size() << " bytes";
- return false;
- }
- op.compression = compression_;
- op.data_length = static_cast<uint16_t>(data.size());
-
- if (!WriteOperation(op, data.data(), data.size())) {
- PLOG(ERROR) << "AddRawBlocks: write failed";
- return false;
- }
- } else {
- op.data_length = static_cast<uint16_t>(header_.block_size);
- if (!WriteOperation(op, iter, header_.block_size)) {
- PLOG(ERROR) << "AddRawBlocks: write failed";
- return false;
- }
- }
-
- iter += header_.block_size;
- }
- return true;
-}
-
-bool CowWriter::EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) {
- CHECK(!merge_in_progress_);
- for (uint64_t i = 0; i < num_blocks; i++) {
- CowOperation op = {};
- op.type = kCowZeroOp;
- op.new_block = new_block_start + i;
- op.source = 0;
- WriteOperation(op);
- }
- return true;
-}
-
-bool CowWriter::EmitLabel(uint64_t label) {
- CHECK(!merge_in_progress_);
- CowOperation op = {};
- op.type = kCowLabelOp;
- op.source = label;
- return WriteOperation(op) && Sync();
-}
-
-bool CowWriter::EmitSequenceData(size_t num_ops, const uint32_t* data) {
- CHECK(!merge_in_progress_);
- size_t to_add = 0;
- size_t max_ops = std::numeric_limits<uint16_t>::max() / sizeof(uint32_t);
- while (num_ops > 0) {
- CowOperation op = {};
- op.type = kCowSequenceOp;
- op.source = next_data_pos_;
- to_add = std::min(num_ops, max_ops);
- op.data_length = static_cast<uint16_t>(to_add * sizeof(uint32_t));
- if (!WriteOperation(op, data, op.data_length)) {
- PLOG(ERROR) << "AddSequenceData: write failed";
- return false;
- }
- num_ops -= to_add;
- data += to_add;
- }
- return true;
-}
-
-bool CowWriter::EmitCluster() {
- CowOperation op = {};
- op.type = kCowClusterOp;
- // Next cluster starts after remainder of current cluster and the next data block.
- op.source = current_data_size_ + cluster_size_ - current_cluster_size_ - sizeof(CowOperation);
- return WriteOperation(op);
-}
-
-bool CowWriter::EmitClusterIfNeeded() {
- // If there isn't room for another op and the cluster end op, end the current cluster
- if (cluster_size_ && cluster_size_ < current_cluster_size_ + 2 * sizeof(CowOperation)) {
- if (!EmitCluster()) return false;
- }
- return true;
-}
-
-std::basic_string<uint8_t> CowWriter::Compress(const void* data, size_t length) {
- switch (compression_) {
- case kCowCompressGz: {
- const auto bound = compressBound(length);
- std::basic_string<uint8_t> buffer(bound, '\0');
-
- uLongf dest_len = bound;
- auto rv = compress2(buffer.data(), &dest_len, reinterpret_cast<const Bytef*>(data),
- length, Z_BEST_COMPRESSION);
- if (rv != Z_OK) {
- LOG(ERROR) << "compress2 returned: " << rv;
- return {};
- }
- buffer.resize(dest_len);
- return buffer;
- }
- case kCowCompressBrotli: {
- const auto bound = BrotliEncoderMaxCompressedSize(length);
- if (!bound) {
- LOG(ERROR) << "BrotliEncoderMaxCompressedSize returned 0";
- return {};
- }
- std::basic_string<uint8_t> buffer(bound, '\0');
-
- size_t encoded_size = bound;
- auto rv = BrotliEncoderCompress(
- BROTLI_DEFAULT_QUALITY, BROTLI_DEFAULT_WINDOW, BROTLI_DEFAULT_MODE, length,
- reinterpret_cast<const uint8_t*>(data), &encoded_size, buffer.data());
- if (!rv) {
- LOG(ERROR) << "BrotliEncoderCompress failed";
- return {};
- }
- buffer.resize(encoded_size);
- return buffer;
- }
- case kCowCompressLz4: {
- const auto bound = LZ4_compressBound(length);
- if (!bound) {
- LOG(ERROR) << "LZ4_compressBound returned 0";
- return {};
- }
- std::basic_string<uint8_t> buffer(bound, '\0');
-
- const auto compressed_size = LZ4_compress_default(
- static_cast<const char*>(data), reinterpret_cast<char*>(buffer.data()), length,
- buffer.size());
- if (compressed_size <= 0) {
- LOG(ERROR) << "LZ4_compress_default failed, input size: " << length
- << ", compression bound: " << bound << ", ret: " << compressed_size;
- return {};
- }
- buffer.resize(compressed_size);
- return buffer;
- }
- default:
- LOG(ERROR) << "unhandled compression type: " << compression_;
- break;
- }
- return {};
-}
-
-// TODO: Fix compilation issues when linking libcrypto library
-// when snapuserd is compiled as part of ramdisk.
-static void SHA256(const void*, size_t, uint8_t[]) {
-#if 0
- SHA256_CTX c;
- SHA256_Init(&c);
- SHA256_Update(&c, data, length);
- SHA256_Final(out, &c);
-#endif
-}
-
-bool CowWriter::Finalize() {
- auto continue_cluster_size = current_cluster_size_;
- auto continue_data_size = current_data_size_;
- auto continue_data_pos = next_data_pos_;
- auto continue_op_pos = next_op_pos_;
- auto continue_size = ops_.size();
- auto continue_num_ops = footer_.op.num_ops;
- bool extra_cluster = false;
-
- // Blank out extra ops, in case we're in append mode and dropped ops.
- if (cluster_size_) {
- auto unused_cluster_space = cluster_size_ - current_cluster_size_;
- std::string clr;
- clr.resize(unused_cluster_space, '\0');
- if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "Failed to seek to footer position.";
- return false;
- }
- if (!android::base::WriteFully(fd_, clr.data(), clr.size())) {
- PLOG(ERROR) << "clearing unused cluster area failed";
- return false;
- }
- }
-
- // Footer should be at the end of a file, so if there is data after the current block, end it
- // and start a new cluster.
- if (cluster_size_ && current_data_size_ > 0) {
- EmitCluster();
- extra_cluster = true;
- }
-
- footer_.op.ops_size = ops_.size();
- if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "Failed to seek to footer position.";
- return false;
- }
- memset(&footer_.data.ops_checksum, 0, sizeof(uint8_t) * 32);
- memset(&footer_.data.footer_checksum, 0, sizeof(uint8_t) * 32);
-
- SHA256(ops_.data(), ops_.size(), footer_.data.ops_checksum);
- SHA256(&footer_.op, sizeof(footer_.op), footer_.data.footer_checksum);
- // Write out footer at end of file
- if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&footer_),
- sizeof(footer_))) {
- PLOG(ERROR) << "write footer failed";
- return false;
- }
-
- // Remove excess data, if we're in append mode and threw away more data
- // than we wrote before.
- off_t offs = lseek(fd_.get(), 0, SEEK_CUR);
- if (offs < 0) {
- PLOG(ERROR) << "Failed to lseek to find current position";
- return false;
- }
- if (!Truncate(offs)) {
- return false;
- }
-
- // Reposition for additional Writing
- if (extra_cluster) {
- current_cluster_size_ = continue_cluster_size;
- current_data_size_ = continue_data_size;
- next_data_pos_ = continue_data_pos;
- next_op_pos_ = continue_op_pos;
- footer_.op.num_ops = continue_num_ops;
- ops_.resize(continue_size);
- }
- return Sync();
-}
-
-uint64_t CowWriter::GetCowSize() {
- if (current_data_size_ > 0) {
- return next_data_pos_ + sizeof(footer_);
- } else {
- return next_op_pos_ + sizeof(footer_);
- }
-}
-
-bool CowWriter::GetDataPos(uint64_t* pos) {
- off_t offs = lseek(fd_.get(), 0, SEEK_CUR);
- if (offs < 0) {
- PLOG(ERROR) << "lseek failed";
- return false;
- }
- *pos = offs;
- return true;
-}
-
-bool CowWriter::WriteOperation(const CowOperation& op, const void* data, size_t size) {
- if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed for writing operation.";
- return false;
- }
- if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op))) {
- return false;
- }
- if (data != nullptr && size > 0) {
- if (!WriteRawData(data, size)) return false;
- }
- AddOperation(op);
- return EmitClusterIfNeeded();
-}
-
-void CowWriter::AddOperation(const CowOperation& op) {
- footer_.op.num_ops++;
-
- if (op.type == kCowClusterOp) {
- current_cluster_size_ = 0;
- current_data_size_ = 0;
- } else if (header_.cluster_ops) {
- current_cluster_size_ += sizeof(op);
- current_data_size_ += op.data_length;
- }
-
- next_data_pos_ += op.data_length + GetNextDataOffset(op, header_.cluster_ops);
- next_op_pos_ += sizeof(CowOperation) + GetNextOpOffset(op, header_.cluster_ops);
- ops_.insert(ops_.size(), reinterpret_cast<const uint8_t*>(&op), sizeof(op));
-}
-
-bool CowWriter::WriteRawData(const void* data, size_t size) {
- if (lseek(fd_.get(), next_data_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed for writing data.";
- return false;
- }
-
- if (!android::base::WriteFully(fd_, data, size)) {
- return false;
- }
- return true;
-}
-
-bool CowWriter::Sync() {
- if (is_dev_null_) {
- return true;
- }
- if (fsync(fd_.get()) < 0) {
- PLOG(ERROR) << "fsync failed";
- return false;
- }
- return true;
-}
-
-bool CowWriter::Truncate(off_t length) {
- if (is_dev_null_ || is_block_device_) {
- return true;
- }
- if (ftruncate(fd_.get(), length) < 0) {
- PLOG(ERROR) << "Failed to truncate.";
- return false;
- }
- return true;
-}
-
-} // namespace snapshot
-} // namespace android
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
index fbdd6b9..e8e4d72 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
@@ -74,7 +74,7 @@
virtual bool GetLastLabel(uint64_t* label) = 0;
// Return an iterator for retrieving CowOperation entries.
- virtual std::unique_ptr<ICowOpIter> GetOpIter() = 0;
+ virtual std::unique_ptr<ICowOpIter> GetOpIter(bool merge_progress) = 0;
// Return an iterator for retrieving CowOperation entries in reverse merge order
virtual std::unique_ptr<ICowOpIter> GetRevMergeOpIter(bool ignore_progress) = 0;
@@ -115,7 +115,7 @@
USERSPACE_MERGE = 1,
};
- CowReader(ReaderFlags reader_flag = ReaderFlags::DEFAULT);
+ CowReader(ReaderFlags reader_flag = ReaderFlags::DEFAULT, bool is_merge = false);
~CowReader() { owned_fd_ = {}; }
// Parse the COW, optionally, up to the given label. If no label is
@@ -135,7 +135,7 @@
// CowOperation objects. Get() returns a unique CowOperation object
// whose lifetime depends on the CowOpIter object; the return
// value of these will never be null.
- std::unique_ptr<ICowOpIter> GetOpIter() override;
+ std::unique_ptr<ICowOpIter> GetOpIter(bool merge_progress = false) override;
std::unique_ptr<ICowOpIter> GetRevMergeOpIter(bool ignore_progress = false) override;
std::unique_ptr<ICowOpIter> GetMergeOpIter(bool ignore_progress = false) override;
@@ -177,6 +177,7 @@
bool has_seq_ops_{};
std::shared_ptr<std::unordered_map<uint64_t, uint64_t>> data_loc_;
ReaderFlags reader_flag_;
+ bool is_merge_{};
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
index e7a2f02..c7b83a8 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
@@ -16,9 +16,17 @@
#include <stdint.h>
+#include <condition_variable>
+#include <cstdint>
+#include <future>
#include <memory>
+#include <mutex>
#include <optional>
+#include <queue>
#include <string>
+#include <thread>
+#include <utility>
+#include <vector>
#include <android-base/unique_fd.h>
#include <libsnapshot/cow_format.h>
@@ -41,6 +49,12 @@
// Preset the number of merged ops. Only useful for testing.
uint64_t num_merge_ops = 0;
+
+ // Number of threads for compression
+ int num_compress_threads = 0;
+
+ // Batch write cluster ops
+ bool batch_write = false;
};
// Interface for writing to a snapuserd COW. All operations are ordered; merges
@@ -52,8 +66,9 @@
virtual ~ICowWriter() {}
// Encode an operation that copies the contents of |old_block| to the
- // location of |new_block|.
- bool AddCopy(uint64_t new_block, uint64_t old_block);
+ // location of |new_block|. 'num_blocks' is the number of contiguous
+ // COPY operations from |old_block| to |new_block|.
+ bool AddCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks = 1);
// Encode a sequence of raw blocks. |size| must be a multiple of the block size.
bool AddRawBlocks(uint64_t new_block_start, const void* data, size_t size);
@@ -84,7 +99,7 @@
const CowOptions& options() { return options_; }
protected:
- virtual bool EmitCopy(uint64_t new_block, uint64_t old_block) = 0;
+ virtual bool EmitCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks = 1) = 0;
virtual bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) = 0;
virtual bool EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size,
uint32_t old_block, uint16_t offset) = 0;
@@ -98,9 +113,46 @@
CowOptions options_;
};
+class CompressWorker {
+ public:
+ CompressWorker(CowCompressionAlgorithm compression, uint32_t block_size);
+ bool RunThread();
+ void EnqueueCompressBlocks(const void* buffer, size_t num_blocks);
+ bool GetCompressedBuffers(std::vector<std::basic_string<uint8_t>>* compressed_buf);
+ void Finalize();
+ static std::basic_string<uint8_t> Compress(CowCompressionAlgorithm compression,
+ const void* data, size_t length);
+
+ static bool CompressBlocks(CowCompressionAlgorithm compression, size_t block_size,
+ const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data);
+
+ private:
+ struct CompressWork {
+ const void* buffer;
+ size_t num_blocks;
+ bool compression_status = false;
+ std::vector<std::basic_string<uint8_t>> compressed_data;
+ };
+
+ CowCompressionAlgorithm compression_;
+ uint32_t block_size_;
+
+ std::queue<CompressWork> work_queue_;
+ std::queue<CompressWork> compressed_queue_;
+ std::mutex lock_;
+ std::condition_variable cv_;
+ bool stopped_ = false;
+
+ std::basic_string<uint8_t> Compress(const void* data, size_t length);
+ bool CompressBlocks(const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data);
+};
+
class CowWriter : public ICowWriter {
public:
explicit CowWriter(const CowOptions& options);
+ ~CowWriter();
// Set up the writer.
// The file starts from the beginning.
@@ -122,7 +174,7 @@
uint32_t GetCowVersion() { return header_.major_version; }
protected:
- virtual bool EmitCopy(uint64_t new_block, uint64_t old_block) override;
+ virtual bool EmitCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks = 1) override;
virtual bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) override;
virtual bool EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size,
uint32_t old_block, uint16_t offset) override;
@@ -136,6 +188,7 @@
bool EmitBlocks(uint64_t new_block_start, const void* data, size_t size, uint64_t old_block,
uint16_t offset, uint8_t type);
void SetupHeaders();
+ void SetupWriteOptions();
bool ParseOptions();
bool OpenForWrite();
bool OpenForAppend(uint64_t label);
@@ -143,12 +196,16 @@
bool WriteRawData(const void* data, size_t size);
bool WriteOperation(const CowOperation& op, const void* data = nullptr, size_t size = 0);
void AddOperation(const CowOperation& op);
- std::basic_string<uint8_t> Compress(const void* data, size_t length);
void InitPos();
+ void InitBatchWrites();
+ void InitWorkers();
+ bool FlushCluster();
+ bool CompressBlocks(size_t num_blocks, const void* data);
bool SetFd(android::base::borrowed_fd fd);
bool Sync();
bool Truncate(off_t length);
+ bool EnsureSpaceAvailable(const uint64_t bytes_needed) const;
private:
android::base::unique_fd owned_fd_;
@@ -156,18 +213,33 @@
CowHeader header_{};
CowFooter footer_{};
CowCompressionAlgorithm compression_ = kCowCompressNone;
+ uint64_t current_op_pos_ = 0;
uint64_t next_op_pos_ = 0;
uint64_t next_data_pos_ = 0;
+ uint64_t current_data_pos_ = 0;
+ ssize_t total_data_written_ = 0;
uint32_t cluster_size_ = 0;
uint32_t current_cluster_size_ = 0;
uint64_t current_data_size_ = 0;
bool is_dev_null_ = false;
bool merge_in_progress_ = false;
bool is_block_device_ = false;
+ uint64_t cow_image_size_ = INT64_MAX;
- // :TODO: this is not efficient, but stringstream ubsan aborts because some
- // bytes overflow a signed char.
- std::basic_string<uint8_t> ops_;
+ int num_compress_threads_ = 1;
+ std::vector<std::unique_ptr<CompressWorker>> compress_threads_;
+ std::vector<std::future<bool>> threads_;
+ std::vector<std::basic_string<uint8_t>> compressed_buf_;
+ std::vector<std::basic_string<uint8_t>>::iterator buf_iter_;
+
+ std::vector<std::unique_ptr<CowOperation>> opbuffer_vec_;
+ std::vector<std::unique_ptr<uint8_t[]>> databuffer_vec_;
+ std::unique_ptr<struct iovec[]> cowop_vec_;
+ int op_vec_index_ = 0;
+
+ std::unique_ptr<struct iovec[]> data_vec_;
+ int data_vec_index_ = 0;
+ bool batch_write_ = false;
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
index b0be5a5..29828bc 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
@@ -34,7 +34,7 @@
// Returns true if AddCopy() operations are supported.
MOCK_METHOD(bool, SupportsCopyOperation, (), (const override));
- MOCK_METHOD(bool, EmitCopy, (uint64_t, uint64_t), (override));
+ MOCK_METHOD(bool, EmitCopy, (uint64_t, uint64_t, uint64_t), (override));
MOCK_METHOD(bool, EmitRawBlocks, (uint64_t, const void*, size_t), (override));
MOCK_METHOD(bool, EmitXorBlocks, (uint32_t, const void*, size_t, uint32_t, uint16_t),
(override));
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
index 34c7baf..9eb89b6 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
@@ -332,10 +332,13 @@
// Helper function for second stage init to restorecon on the rollback indicator.
static std::string GetGlobalRollbackIndicatorPath();
- // Detach dm-user devices from the current snapuserd, and populate
- // |snapuserd_argv| with the necessary arguments to restart snapuserd
- // and reattach them.
- bool DetachSnapuserdForSelinux(std::vector<std::string>* snapuserd_argv);
+ // Populate |snapuserd_argv| with the necessary arguments to restart snapuserd
+ // after loading selinux policy.
+ bool PrepareSnapuserdArgsForSelinux(std::vector<std::string>* snapuserd_argv);
+
+ // Detach dm-user devices from the first stage snapuserd. Load
+ // new dm-user tables after loading selinux policy.
+ bool DetachFirstStageSnapuserdForSelinux();
// Perform the transition from the selinux stage of snapuserd into the
// second-stage of snapuserd. This process involves re-creating the dm-user
@@ -392,6 +395,10 @@
// first-stage to decide whether to launch snapuserd.
bool IsSnapuserdRequired();
+ // This is primarily used to device reboot. If OTA update is in progress,
+ // init will avoid killing processes
+ bool IsUserspaceSnapshotUpdateInProgress();
+
enum class SnapshotDriver {
DM_SNAPSHOT,
DM_USER,
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
index 545f117..0e3b1db 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
@@ -74,7 +74,7 @@
bool VerifyMergeOps() const noexcept;
protected:
- bool EmitCopy(uint64_t new_block, uint64_t old_block) override;
+ bool EmitCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks = 1) override;
bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) override;
bool EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size, uint32_t old_block,
uint16_t offset) override;
@@ -113,7 +113,7 @@
bool EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) override;
bool EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size, uint32_t old_block,
uint16_t offset) override;
- bool EmitCopy(uint64_t new_block, uint64_t old_block) override;
+ bool EmitCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks = 1) override;
bool EmitLabel(uint64_t label) override;
bool EmitSequenceData(size_t num_ops, const uint32_t* data) override;
diff --git a/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h b/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
index f850b94..24c91a8 100644
--- a/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
+++ b/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
@@ -143,6 +143,9 @@
virtual DmDeviceState GetState(const std::string& name) const override {
return impl_.GetState(name);
}
+ virtual bool LoadTable(const std::string& name, const DmTable& table) {
+ return impl_.LoadTable(name, table);
+ }
virtual bool LoadTableAndActivate(const std::string& name, const DmTable& table) {
return impl_.LoadTableAndActivate(name, table);
}
diff --git a/fs_mgr/libsnapshot/cow_api_test.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
similarity index 86%
rename from fs_mgr/libsnapshot/cow_api_test.cpp
rename to fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
index ba4044f..862ce55 100644
--- a/fs_mgr/libsnapshot/cow_api_test.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
@@ -62,6 +62,48 @@
std::string stream_;
};
+TEST_F(CowTest, CopyContiguous) {
+ CowOptions options;
+ options.cluster_ops = 0;
+ CowWriter writer(options);
+
+ ASSERT_TRUE(writer.Initialize(cow_->fd));
+
+ ASSERT_TRUE(writer.AddCopy(10, 1000, 100));
+ ASSERT_TRUE(writer.Finalize());
+ ASSERT_EQ(lseek(cow_->fd, 0, SEEK_SET), 0);
+
+ CowReader reader;
+ CowHeader header;
+ CowFooter footer;
+ ASSERT_TRUE(reader.Parse(cow_->fd));
+ ASSERT_TRUE(reader.GetHeader(&header));
+ ASSERT_TRUE(reader.GetFooter(&footer));
+ ASSERT_EQ(header.magic, kCowMagicNumber);
+ ASSERT_EQ(header.major_version, kCowVersionMajor);
+ ASSERT_EQ(header.minor_version, kCowVersionMinor);
+ ASSERT_EQ(header.block_size, options.block_size);
+ ASSERT_EQ(footer.op.num_ops, 100);
+
+ auto iter = reader.GetOpIter();
+ ASSERT_NE(iter, nullptr);
+ ASSERT_FALSE(iter->Done());
+
+ size_t i = 0;
+ while (!iter->Done()) {
+ auto op = &iter->Get();
+ ASSERT_EQ(op->type, kCowCopyOp);
+ ASSERT_EQ(op->compression, kCowCompressNone);
+ ASSERT_EQ(op->data_length, 0);
+ ASSERT_EQ(op->new_block, 10 + i);
+ ASSERT_EQ(op->source, 1000 + i);
+ iter->Next();
+ i += 1;
+ }
+
+ ASSERT_EQ(i, 100);
+}
+
TEST_F(CowTest, ReadWrite) {
CowOptions options;
options.cluster_ops = 0;
@@ -256,6 +298,150 @@
ASSERT_TRUE(iter->Done());
}
+class CompressionRWTest : public CowTest, public testing::WithParamInterface<const char*> {};
+
+TEST_P(CompressionRWTest, ThreadedBatchWrites) {
+ CowOptions options;
+ options.compression = GetParam();
+ options.num_compress_threads = 2;
+
+ CowWriter writer(options);
+
+ ASSERT_TRUE(writer.Initialize(cow_->fd));
+
+ std::string xor_data = "This is test data-1. Testing xor";
+ xor_data.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddXorBlocks(50, xor_data.data(), xor_data.size(), 24, 10));
+
+ std::string data = "This is test data-2. Testing replace ops";
+ data.resize(options.block_size * 2048, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(100, data.data(), data.size()));
+
+ std::string data2 = "This is test data-3. Testing replace ops";
+ data2.resize(options.block_size * 259, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(6000, data2.data(), data2.size()));
+
+ std::string data3 = "This is test data-4. Testing replace ops";
+ data3.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(9000, data3.data(), data3.size()));
+
+ ASSERT_TRUE(writer.Finalize());
+
+ int expected_blocks = (1 + 2048 + 259 + 1);
+ ASSERT_EQ(lseek(cow_->fd, 0, SEEK_SET), 0);
+
+ CowReader reader;
+ ASSERT_TRUE(reader.Parse(cow_->fd));
+
+ auto iter = reader.GetOpIter();
+ ASSERT_NE(iter, nullptr);
+
+ int total_blocks = 0;
+ while (!iter->Done()) {
+ auto op = &iter->Get();
+
+ if (op->type == kCowXorOp) {
+ total_blocks += 1;
+ StringSink sink;
+ ASSERT_EQ(op->new_block, 50);
+ ASSERT_EQ(op->source, 98314); // 4096 * 24 + 10
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), xor_data);
+ }
+
+ if (op->type == kCowReplaceOp) {
+ total_blocks += 1;
+ if (op->new_block == 100) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data);
+ }
+ if (op->new_block == 6000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data2.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data2);
+ }
+ if (op->new_block == 9000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), data3);
+ }
+ }
+
+ iter->Next();
+ }
+
+ ASSERT_EQ(total_blocks, expected_blocks);
+}
+
+TEST_P(CompressionRWTest, NoBatchWrites) {
+ CowOptions options;
+ options.compression = GetParam();
+ options.num_compress_threads = 1;
+ options.cluster_ops = 0;
+
+ CowWriter writer(options);
+
+ ASSERT_TRUE(writer.Initialize(cow_->fd));
+
+ std::string data = "Testing replace ops without batch writes";
+ data.resize(options.block_size * 1024, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(50, data.data(), data.size()));
+
+ std::string data2 = "Testing odd blocks without batch writes";
+ data2.resize(options.block_size * 111, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(3000, data2.data(), data2.size()));
+
+ std::string data3 = "Testing single 4k block";
+ data3.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(5000, data3.data(), data3.size()));
+
+ ASSERT_TRUE(writer.Finalize());
+
+ int expected_blocks = (1024 + 111 + 1);
+ ASSERT_EQ(lseek(cow_->fd, 0, SEEK_SET), 0);
+
+ CowReader reader;
+ ASSERT_TRUE(reader.Parse(cow_->fd));
+
+ auto iter = reader.GetOpIter();
+ ASSERT_NE(iter, nullptr);
+
+ int total_blocks = 0;
+ while (!iter->Done()) {
+ auto op = &iter->Get();
+
+ if (op->type == kCowReplaceOp) {
+ total_blocks += 1;
+ if (op->new_block == 50) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data);
+ }
+ if (op->new_block == 3000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data2.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data2);
+ }
+ if (op->new_block == 5000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), data3);
+ }
+ }
+
+ iter->Next();
+ }
+
+ ASSERT_EQ(total_blocks, expected_blocks);
+}
+
+INSTANTIATE_TEST_SUITE_P(CowApi, CompressionRWTest, testing::Values("none", "gz", "brotli", "lz4"));
+
TEST_F(CowTest, ClusterCompressGz) {
CowOptions options;
options.compression = "gz";
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
new file mode 100644
index 0000000..9b50986
--- /dev/null
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
@@ -0,0 +1,227 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <limits>
+#include <queue>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/unique_fd.h>
+#include <brotli/encode.h>
+#include <libsnapshot/cow_format.h>
+#include <libsnapshot/cow_reader.h>
+#include <libsnapshot/cow_writer.h>
+#include <lz4.h>
+#include <zlib.h>
+
+namespace android {
+namespace snapshot {
+std::basic_string<uint8_t> CompressWorker::Compress(const void* data, size_t length) {
+ return Compress(compression_, data, length);
+}
+
+std::basic_string<uint8_t> CompressWorker::Compress(CowCompressionAlgorithm compression,
+ const void* data, size_t length) {
+ switch (compression) {
+ case kCowCompressGz: {
+ const auto bound = compressBound(length);
+ std::basic_string<uint8_t> buffer(bound, '\0');
+
+ uLongf dest_len = bound;
+ auto rv = compress2(buffer.data(), &dest_len, reinterpret_cast<const Bytef*>(data),
+ length, Z_BEST_COMPRESSION);
+ if (rv != Z_OK) {
+ LOG(ERROR) << "compress2 returned: " << rv;
+ return {};
+ }
+ buffer.resize(dest_len);
+ return buffer;
+ }
+ case kCowCompressBrotli: {
+ const auto bound = BrotliEncoderMaxCompressedSize(length);
+ if (!bound) {
+ LOG(ERROR) << "BrotliEncoderMaxCompressedSize returned 0";
+ return {};
+ }
+ std::basic_string<uint8_t> buffer(bound, '\0');
+
+ size_t encoded_size = bound;
+ auto rv = BrotliEncoderCompress(
+ BROTLI_DEFAULT_QUALITY, BROTLI_DEFAULT_WINDOW, BROTLI_DEFAULT_MODE, length,
+ reinterpret_cast<const uint8_t*>(data), &encoded_size, buffer.data());
+ if (!rv) {
+ LOG(ERROR) << "BrotliEncoderCompress failed";
+ return {};
+ }
+ buffer.resize(encoded_size);
+ return buffer;
+ }
+ case kCowCompressLz4: {
+ const auto bound = LZ4_compressBound(length);
+ if (!bound) {
+ LOG(ERROR) << "LZ4_compressBound returned 0";
+ return {};
+ }
+ std::basic_string<uint8_t> buffer(bound, '\0');
+
+ const auto compressed_size = LZ4_compress_default(
+ static_cast<const char*>(data), reinterpret_cast<char*>(buffer.data()), length,
+ buffer.size());
+ if (compressed_size <= 0) {
+ LOG(ERROR) << "LZ4_compress_default failed, input size: " << length
+ << ", compression bound: " << bound << ", ret: " << compressed_size;
+ return {};
+ }
+ // Don't run compression if the compressed output is larger
+ if (compressed_size >= length) {
+ buffer.resize(length);
+ memcpy(buffer.data(), data, length);
+ } else {
+ buffer.resize(compressed_size);
+ }
+ return buffer;
+ }
+ default:
+ LOG(ERROR) << "unhandled compression type: " << compression;
+ break;
+ }
+ return {};
+}
+bool CompressWorker::CompressBlocks(const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data) {
+ return CompressBlocks(compression_, block_size_, buffer, num_blocks, compressed_data);
+}
+
+bool CompressWorker::CompressBlocks(CowCompressionAlgorithm compression, size_t block_size,
+ const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data) {
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(buffer);
+ while (num_blocks) {
+ auto data = Compress(compression, iter, block_size);
+ if (data.empty()) {
+ PLOG(ERROR) << "CompressBlocks: Compression failed";
+ return false;
+ }
+ if (data.size() > std::numeric_limits<uint16_t>::max()) {
+ LOG(ERROR) << "Compressed block is too large: " << data.size();
+ return false;
+ }
+
+ compressed_data->emplace_back(std::move(data));
+ num_blocks -= 1;
+ iter += block_size;
+ }
+ return true;
+}
+
+bool CompressWorker::RunThread() {
+ while (true) {
+ // Wait for work
+ CompressWork blocks;
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ while (work_queue_.empty() && !stopped_) {
+ cv_.wait(lock);
+ }
+
+ if (stopped_) {
+ return true;
+ }
+
+ blocks = std::move(work_queue_.front());
+ work_queue_.pop();
+ }
+
+ // Compress blocks
+ bool ret = CompressBlocks(blocks.buffer, blocks.num_blocks, &blocks.compressed_data);
+ blocks.compression_status = ret;
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+ compressed_queue_.push(std::move(blocks));
+ }
+
+ // Notify completion
+ cv_.notify_all();
+
+ if (!ret) {
+ LOG(ERROR) << "CompressBlocks failed";
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void CompressWorker::EnqueueCompressBlocks(const void* buffer, size_t num_blocks) {
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+
+ CompressWork blocks = {};
+ blocks.buffer = buffer;
+ blocks.num_blocks = num_blocks;
+ work_queue_.push(std::move(blocks));
+ }
+ cv_.notify_all();
+}
+
+bool CompressWorker::GetCompressedBuffers(std::vector<std::basic_string<uint8_t>>* compressed_buf) {
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ while (compressed_queue_.empty() && !stopped_) {
+ cv_.wait(lock);
+ }
+
+ if (stopped_) {
+ return true;
+ }
+ }
+
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+ while (compressed_queue_.size() > 0) {
+ CompressWork blocks = std::move(compressed_queue_.front());
+ compressed_queue_.pop();
+
+ if (blocks.compression_status) {
+ compressed_buf->insert(compressed_buf->end(),
+ std::make_move_iterator(blocks.compressed_data.begin()),
+ std::make_move_iterator(blocks.compressed_data.end()));
+ } else {
+ LOG(ERROR) << "Block compression failed";
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+void CompressWorker::Finalize() {
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ stopped_ = true;
+ }
+ cv_.notify_all();
+}
+
+CompressWorker::CompressWorker(CowCompressionAlgorithm compression, uint32_t block_size)
+ : compression_(compression), block_size_(block_size) {}
+
+} // namespace snapshot
+} // namespace android
diff --git a/fs_mgr/libsnapshot/cow_decompress.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
similarity index 94%
rename from fs_mgr/libsnapshot/cow_decompress.cpp
rename to fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
index a4d2277..139a29f 100644
--- a/fs_mgr/libsnapshot/cow_decompress.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
@@ -273,6 +273,18 @@
<< actual_buffer_size << " bytes";
return false;
}
+ // If input size is same as output size, then input is uncompressed.
+ if (stream_->Size() == output_size) {
+ size_t bytes_read = 0;
+ stream_->Read(output_buffer, output_size, &bytes_read);
+ if (bytes_read != output_size) {
+ LOG(ERROR) << "Failed to read all input at once. Expected: " << output_size
+ << " actual: " << bytes_read;
+ return false;
+ }
+ sink_->ReturnData(output_buffer, output_size);
+ return true;
+ }
std::string input_buffer;
input_buffer.resize(stream_->Size());
size_t bytes_read = 0;
diff --git a/fs_mgr/libsnapshot/cow_decompress.h b/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.h
similarity index 100%
rename from fs_mgr/libsnapshot/cow_decompress.h
rename to fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.h
diff --git a/fs_mgr/libsnapshot/cow_format.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_format.cpp
similarity index 100%
rename from fs_mgr/libsnapshot/cow_format.cpp
rename to fs_mgr/libsnapshot/libsnapshot_cow/cow_format.cpp
diff --git a/fs_mgr/libsnapshot/cow_reader.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_reader.cpp
similarity index 95%
rename from fs_mgr/libsnapshot/cow_reader.cpp
rename to fs_mgr/libsnapshot/libsnapshot_cow/cow_reader.cpp
index c8a0249..45be191 100644
--- a/fs_mgr/libsnapshot/cow_reader.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_reader.cpp
@@ -34,12 +34,13 @@
namespace android {
namespace snapshot {
-CowReader::CowReader(ReaderFlags reader_flag)
+CowReader::CowReader(ReaderFlags reader_flag, bool is_merge)
: fd_(-1),
header_(),
fd_size_(0),
block_pos_index_(std::make_shared<std::vector<int>>()),
- reader_flag_(reader_flag) {}
+ reader_flag_(reader_flag),
+ is_merge_(is_merge) {}
static void SHA256(const void*, size_t, uint8_t[]) {
#if 0
@@ -64,6 +65,7 @@
cow->has_seq_ops_ = has_seq_ops_;
cow->data_loc_ = data_loc_;
cow->block_pos_index_ = block_pos_index_;
+ cow->is_merge_ = is_merge_;
return cow;
}
@@ -476,15 +478,28 @@
merge_op_blocks->insert(merge_op_blocks->end(), other_ops.begin(), other_ops.end());
- for (auto block : *merge_op_blocks) {
- block_pos_index_->push_back(block_map->at(block));
- }
-
num_total_data_ops_ = merge_op_blocks->size();
if (header_.num_merge_ops > 0) {
merge_op_start_ = header_.num_merge_ops;
}
+ if (is_merge_) {
+ // Metadata ops are not required for merge. Thus, just re-arrange
+ // the ops vector as required for merge operations.
+ auto merge_ops_buffer = std::make_shared<std::vector<CowOperation>>();
+ merge_ops_buffer->reserve(num_total_data_ops_);
+ for (auto block : *merge_op_blocks) {
+ merge_ops_buffer->emplace_back(ops_->data()[block_map->at(block)]);
+ }
+ ops_->clear();
+ ops_ = merge_ops_buffer;
+ ops_->shrink_to_fit();
+ } else {
+ for (auto block : *merge_op_blocks) {
+ block_pos_index_->push_back(block_map->at(block));
+ }
+ }
+
block_map->clear();
merge_op_blocks->clear();
@@ -548,7 +563,7 @@
class CowOpIter final : public ICowOpIter {
public:
- CowOpIter(std::shared_ptr<std::vector<CowOperation>>& ops);
+ CowOpIter(std::shared_ptr<std::vector<CowOperation>>& ops, uint64_t start);
bool Done() override;
const CowOperation& Get() override;
@@ -562,9 +577,9 @@
std::vector<CowOperation>::iterator op_iter_;
};
-CowOpIter::CowOpIter(std::shared_ptr<std::vector<CowOperation>>& ops) {
+CowOpIter::CowOpIter(std::shared_ptr<std::vector<CowOperation>>& ops, uint64_t start) {
ops_ = ops;
- op_iter_ = ops_->begin();
+ op_iter_ = ops_->begin() + start;
}
bool CowOpIter::RDone() {
@@ -691,8 +706,8 @@
return ops_->data()[*block_riter_];
}
-std::unique_ptr<ICowOpIter> CowReader::GetOpIter() {
- return std::make_unique<CowOpIter>(ops_);
+std::unique_ptr<ICowOpIter> CowReader::GetOpIter(bool merge_progress) {
+ return std::make_unique<CowOpIter>(ops_, merge_progress ? merge_op_start_ : 0);
}
std::unique_ptr<ICowOpIter> CowReader::GetRevMergeOpIter(bool ignore_progress) {
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
new file mode 100644
index 0000000..3932fad
--- /dev/null
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
@@ -0,0 +1,851 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+#include <limits>
+#include <queue>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android-base/unique_fd.h>
+#include <brotli/encode.h>
+#include <libsnapshot/cow_format.h>
+#include <libsnapshot/cow_reader.h>
+#include <libsnapshot/cow_writer.h>
+#include <lz4.h>
+#include <zlib.h>
+
+#include <fcntl.h>
+#include <linux/fs.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+namespace android {
+namespace snapshot {
+
+namespace {
+std::string GetFdPath(int fd) {
+ const auto fd_path = "/proc/self/fd/" + std::to_string(fd);
+ std::string file_path(512, '\0');
+ const auto err = readlink(fd_path.c_str(), file_path.data(), file_path.size());
+ if (err <= 0) {
+ PLOG(ERROR) << "Failed to determine path for fd " << fd;
+ file_path.clear();
+ } else {
+ file_path.resize(err);
+ }
+ return file_path;
+}
+} // namespace
+
+static_assert(sizeof(off_t) == sizeof(uint64_t));
+
+using android::base::borrowed_fd;
+using android::base::unique_fd;
+
+bool ICowWriter::AddCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks) {
+ CHECK(num_blocks != 0);
+
+ for (size_t i = 0; i < num_blocks; i++) {
+ if (!ValidateNewBlock(new_block + i)) {
+ return false;
+ }
+ }
+
+ return EmitCopy(new_block, old_block, num_blocks);
+}
+
+bool ICowWriter::AddRawBlocks(uint64_t new_block_start, const void* data, size_t size) {
+ if (size % options_.block_size != 0) {
+ LOG(ERROR) << "AddRawBlocks: size " << size << " is not a multiple of "
+ << options_.block_size;
+ return false;
+ }
+
+ uint64_t num_blocks = size / options_.block_size;
+ uint64_t last_block = new_block_start + num_blocks - 1;
+ if (!ValidateNewBlock(last_block)) {
+ return false;
+ }
+ return EmitRawBlocks(new_block_start, data, size);
+}
+
+bool ICowWriter::AddXorBlocks(uint32_t new_block_start, const void* data, size_t size,
+ uint32_t old_block, uint16_t offset) {
+ if (size % options_.block_size != 0) {
+ LOG(ERROR) << "AddRawBlocks: size " << size << " is not a multiple of "
+ << options_.block_size;
+ return false;
+ }
+
+ uint64_t num_blocks = size / options_.block_size;
+ uint64_t last_block = new_block_start + num_blocks - 1;
+ if (!ValidateNewBlock(last_block)) {
+ return false;
+ }
+ if (offset >= options_.block_size) {
+ LOG(ERROR) << "AddXorBlocks: offset " << offset << " is not less than "
+ << options_.block_size;
+ }
+ return EmitXorBlocks(new_block_start, data, size, old_block, offset);
+}
+
+bool ICowWriter::AddZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) {
+ uint64_t last_block = new_block_start + num_blocks - 1;
+ if (!ValidateNewBlock(last_block)) {
+ return false;
+ }
+ return EmitZeroBlocks(new_block_start, num_blocks);
+}
+
+bool ICowWriter::AddLabel(uint64_t label) {
+ return EmitLabel(label);
+}
+
+bool ICowWriter::AddSequenceData(size_t num_ops, const uint32_t* data) {
+ return EmitSequenceData(num_ops, data);
+}
+
+bool ICowWriter::ValidateNewBlock(uint64_t new_block) {
+ if (options_.max_blocks && new_block >= options_.max_blocks.value()) {
+ LOG(ERROR) << "New block " << new_block << " exceeds maximum block count "
+ << options_.max_blocks.value();
+ return false;
+ }
+ return true;
+}
+
+CowWriter::CowWriter(const CowOptions& options) : ICowWriter(options), fd_(-1) {
+ SetupHeaders();
+ SetupWriteOptions();
+}
+
+CowWriter::~CowWriter() {
+ for (size_t i = 0; i < compress_threads_.size(); i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (worker) {
+ worker->Finalize();
+ }
+ }
+
+ bool ret = true;
+ for (auto& t : threads_) {
+ ret = t.get() && ret;
+ }
+
+ if (!ret) {
+ LOG(ERROR) << "Compression failed";
+ }
+ compress_threads_.clear();
+}
+
+void CowWriter::SetupWriteOptions() {
+ num_compress_threads_ = options_.num_compress_threads;
+
+ if (!num_compress_threads_) {
+ num_compress_threads_ = 1;
+ // We prefer not to have more than two threads as the overhead of additional
+ // threads is far greater than cutting down compression time.
+ if (header_.cluster_ops &&
+ android::base::GetBoolProperty("ro.virtual_ab.compression.threads", false)) {
+ num_compress_threads_ = 2;
+ }
+ }
+
+ if (header_.cluster_ops &&
+ (android::base::GetBoolProperty("ro.virtual_ab.batch_writes", false) ||
+ options_.batch_write)) {
+ batch_write_ = true;
+ }
+}
+
+void CowWriter::SetupHeaders() {
+ header_ = {};
+ header_.magic = kCowMagicNumber;
+ header_.major_version = kCowVersionMajor;
+ header_.minor_version = kCowVersionMinor;
+ header_.header_size = sizeof(CowHeader);
+ header_.footer_size = sizeof(CowFooter);
+ header_.op_size = sizeof(CowOperation);
+ header_.block_size = options_.block_size;
+ header_.num_merge_ops = options_.num_merge_ops;
+ header_.cluster_ops = options_.cluster_ops;
+ header_.buffer_size = 0;
+ footer_ = {};
+ footer_.op.data_length = 64;
+ footer_.op.type = kCowFooterOp;
+}
+
+bool CowWriter::ParseOptions() {
+ if (options_.compression == "gz") {
+ compression_ = kCowCompressGz;
+ } else if (options_.compression == "brotli") {
+ compression_ = kCowCompressBrotli;
+ } else if (options_.compression == "lz4") {
+ compression_ = kCowCompressLz4;
+ } else if (options_.compression == "none") {
+ compression_ = kCowCompressNone;
+ } else if (!options_.compression.empty()) {
+ LOG(ERROR) << "unrecognized compression: " << options_.compression;
+ return false;
+ }
+ if (options_.cluster_ops == 1) {
+ LOG(ERROR) << "Clusters must contain at least two operations to function.";
+ return false;
+ }
+ return true;
+}
+
+bool CowWriter::SetFd(android::base::borrowed_fd fd) {
+ if (fd.get() < 0) {
+ owned_fd_.reset(open("/dev/null", O_RDWR | O_CLOEXEC));
+ if (owned_fd_ < 0) {
+ PLOG(ERROR) << "open /dev/null failed";
+ return false;
+ }
+ fd_ = owned_fd_;
+ is_dev_null_ = true;
+ } else {
+ fd_ = fd;
+
+ struct stat stat {};
+ if (fstat(fd.get(), &stat) < 0) {
+ PLOG(ERROR) << "fstat failed";
+ return false;
+ }
+ const auto file_path = GetFdPath(fd.get());
+ is_block_device_ = S_ISBLK(stat.st_mode);
+ if (is_block_device_) {
+ uint64_t size_in_bytes = 0;
+ if (ioctl(fd.get(), BLKGETSIZE64, &size_in_bytes)) {
+ PLOG(ERROR) << "Failed to get total size for: " << fd.get();
+ return false;
+ }
+ cow_image_size_ = size_in_bytes;
+ LOG(INFO) << "COW image " << file_path << " has size " << size_in_bytes;
+ } else {
+ LOG(INFO) << "COW image " << file_path
+ << " is not a block device, assuming unlimited space.";
+ }
+ }
+ return true;
+}
+
+void CowWriter::InitBatchWrites() {
+ if (batch_write_) {
+ cowop_vec_ = std::make_unique<struct iovec[]>(header_.cluster_ops);
+ data_vec_ = std::make_unique<struct iovec[]>(header_.cluster_ops);
+ struct iovec* cowop_ptr = cowop_vec_.get();
+ struct iovec* data_ptr = data_vec_.get();
+ for (size_t i = 0; i < header_.cluster_ops; i++) {
+ std::unique_ptr<CowOperation> op = std::make_unique<CowOperation>();
+ cowop_ptr[i].iov_base = op.get();
+ cowop_ptr[i].iov_len = sizeof(CowOperation);
+ opbuffer_vec_.push_back(std::move(op));
+
+ std::unique_ptr<uint8_t[]> buffer = std::make_unique<uint8_t[]>(header_.block_size * 2);
+ data_ptr[i].iov_base = buffer.get();
+ data_ptr[i].iov_len = header_.block_size * 2;
+ databuffer_vec_.push_back(std::move(buffer));
+ }
+
+ current_op_pos_ = next_op_pos_;
+ current_data_pos_ = next_data_pos_;
+ }
+
+ std::string batch_write = batch_write_ ? "enabled" : "disabled";
+ LOG(INFO) << "Batch writes: " << batch_write;
+}
+
+void CowWriter::InitWorkers() {
+ if (num_compress_threads_ <= 1) {
+ LOG(INFO) << "Not creating new threads for compression.";
+ return;
+ }
+ for (int i = 0; i < num_compress_threads_; i++) {
+ auto wt = std::make_unique<CompressWorker>(compression_, header_.block_size);
+ threads_.emplace_back(std::async(std::launch::async, &CompressWorker::RunThread, wt.get()));
+ compress_threads_.push_back(std::move(wt));
+ }
+
+ LOG(INFO) << num_compress_threads_ << " thread used for compression";
+}
+
+bool CowWriter::Initialize(unique_fd&& fd) {
+ owned_fd_ = std::move(fd);
+ return Initialize(borrowed_fd{owned_fd_});
+}
+
+bool CowWriter::Initialize(borrowed_fd fd) {
+ if (!SetFd(fd) || !ParseOptions()) {
+ return false;
+ }
+
+ bool ret = OpenForWrite();
+
+ if (ret) {
+ InitWorkers();
+ }
+
+ return ret;
+}
+
+bool CowWriter::InitializeAppend(android::base::unique_fd&& fd, uint64_t label) {
+ owned_fd_ = std::move(fd);
+ return InitializeAppend(android::base::borrowed_fd{owned_fd_}, label);
+}
+
+bool CowWriter::InitializeAppend(android::base::borrowed_fd fd, uint64_t label) {
+ if (!SetFd(fd) || !ParseOptions()) {
+ return false;
+ }
+
+ bool ret = OpenForAppend(label);
+
+ if (ret && !compress_threads_.size()) {
+ InitWorkers();
+ }
+
+ return ret;
+}
+
+void CowWriter::InitPos() {
+ next_op_pos_ = sizeof(header_) + header_.buffer_size;
+ cluster_size_ = header_.cluster_ops * sizeof(CowOperation);
+ if (header_.cluster_ops) {
+ next_data_pos_ = next_op_pos_ + cluster_size_;
+ } else {
+ next_data_pos_ = next_op_pos_ + sizeof(CowOperation);
+ }
+ current_cluster_size_ = 0;
+ current_data_size_ = 0;
+}
+
+bool CowWriter::OpenForWrite() {
+ // This limitation is tied to the data field size in CowOperation.
+ if (header_.block_size > std::numeric_limits<uint16_t>::max()) {
+ LOG(ERROR) << "Block size is too large";
+ return false;
+ }
+
+ if (lseek(fd_.get(), 0, SEEK_SET) < 0) {
+ PLOG(ERROR) << "lseek failed";
+ return false;
+ }
+
+ if (options_.scratch_space) {
+ header_.buffer_size = BUFFER_REGION_DEFAULT_SIZE;
+ }
+
+ // Headers are not complete, but this ensures the file is at the right
+ // position.
+ if (!android::base::WriteFully(fd_, &header_, sizeof(header_))) {
+ PLOG(ERROR) << "write failed";
+ return false;
+ }
+
+ if (options_.scratch_space) {
+ // Initialize the scratch space
+ std::string data(header_.buffer_size, 0);
+ if (!android::base::WriteFully(fd_, data.data(), header_.buffer_size)) {
+ PLOG(ERROR) << "writing scratch space failed";
+ return false;
+ }
+ }
+
+ if (!Sync()) {
+ LOG(ERROR) << "Header sync failed";
+ return false;
+ }
+
+ if (lseek(fd_.get(), sizeof(header_) + header_.buffer_size, SEEK_SET) < 0) {
+ PLOG(ERROR) << "lseek failed";
+ return false;
+ }
+
+ InitPos();
+ InitBatchWrites();
+
+ return true;
+}
+
+bool CowWriter::OpenForAppend(uint64_t label) {
+ auto reader = std::make_unique<CowReader>();
+ std::queue<CowOperation> toAdd;
+
+ if (!reader->Parse(fd_, {label}) || !reader->GetHeader(&header_)) {
+ return false;
+ }
+
+ options_.block_size = header_.block_size;
+ options_.cluster_ops = header_.cluster_ops;
+
+ // Reset this, since we're going to reimport all operations.
+ footer_.op.num_ops = 0;
+ InitPos();
+
+ auto iter = reader->GetOpIter();
+
+ while (!iter->Done()) {
+ AddOperation(iter->Get());
+ iter->Next();
+ }
+
+ // Free reader so we own the descriptor position again.
+ reader = nullptr;
+
+ if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
+ PLOG(ERROR) << "lseek failed";
+ return false;
+ }
+
+ InitBatchWrites();
+
+ return EmitClusterIfNeeded();
+}
+
+bool CowWriter::EmitCopy(uint64_t new_block, uint64_t old_block, uint64_t num_blocks) {
+ CHECK(!merge_in_progress_);
+
+ for (size_t i = 0; i < num_blocks; i++) {
+ CowOperation op = {};
+ op.type = kCowCopyOp;
+ op.new_block = new_block + i;
+ op.source = old_block + i;
+ if (!WriteOperation(op)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool CowWriter::EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) {
+ return EmitBlocks(new_block_start, data, size, 0, 0, kCowReplaceOp);
+}
+
+bool CowWriter::EmitXorBlocks(uint32_t new_block_start, const void* data, size_t size,
+ uint32_t old_block, uint16_t offset) {
+ return EmitBlocks(new_block_start, data, size, old_block, offset, kCowXorOp);
+}
+
+bool CowWriter::CompressBlocks(size_t num_blocks, const void* data) {
+ size_t num_threads = (num_blocks == 1) ? 1 : num_compress_threads_;
+ size_t num_blocks_per_thread = num_blocks / num_threads;
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
+ compressed_buf_.clear();
+ if (num_threads <= 1) {
+ return CompressWorker::CompressBlocks(compression_, options_.block_size, data, num_blocks,
+ &compressed_buf_);
+ }
+
+ // Submit the blocks per thread. The retrieval of
+ // compressed buffers has to be done in the same order.
+ // We should not poll for completed buffers in a different order as the
+ // buffers are tightly coupled with block ordering.
+ for (size_t i = 0; i < num_threads; i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (i == num_threads - 1) {
+ num_blocks_per_thread = num_blocks;
+ }
+ worker->EnqueueCompressBlocks(iter, num_blocks_per_thread);
+ iter += (num_blocks_per_thread * header_.block_size);
+ num_blocks -= num_blocks_per_thread;
+ }
+
+ for (size_t i = 0; i < num_threads; i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (!worker->GetCompressedBuffers(&compressed_buf_)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool CowWriter::EmitBlocks(uint64_t new_block_start, const void* data, size_t size,
+ uint64_t old_block, uint16_t offset, uint8_t type) {
+ CHECK(!merge_in_progress_);
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
+
+ // Update engine can potentially send 100MB of blocks at a time. We
+ // don't want to process all those blocks in one shot as it can
+ // stress the memory. Hence, process the blocks in chunks.
+ //
+ // 1024 blocks is reasonable given we will end up using max
+ // memory of ~4MB.
+ const size_t kProcessingBlocks = 1024;
+ size_t num_blocks = (size / header_.block_size);
+ size_t i = 0;
+
+ while (num_blocks) {
+ size_t pending_blocks = (std::min(kProcessingBlocks, num_blocks));
+
+ if (compression_ && num_compress_threads_ > 1) {
+ if (!CompressBlocks(pending_blocks, iter)) {
+ return false;
+ }
+ buf_iter_ = compressed_buf_.begin();
+ CHECK(pending_blocks == compressed_buf_.size());
+ }
+
+ num_blocks -= pending_blocks;
+
+ while (i < size / header_.block_size && pending_blocks) {
+ CowOperation op = {};
+ op.new_block = new_block_start + i;
+ op.type = type;
+ if (type == kCowXorOp) {
+ op.source = (old_block + i) * header_.block_size + offset;
+ } else {
+ op.source = next_data_pos_;
+ }
+
+ if (compression_) {
+ auto data = [&, this]() {
+ if (num_compress_threads_ > 1) {
+ auto data = std::move(*buf_iter_);
+ buf_iter_++;
+ return data;
+ } else {
+ auto data =
+ CompressWorker::Compress(compression_, iter, header_.block_size);
+ return data;
+ }
+ }();
+ op.compression = compression_;
+ op.data_length = static_cast<uint16_t>(data.size());
+
+ if (!WriteOperation(op, data.data(), data.size())) {
+ PLOG(ERROR) << "AddRawBlocks: write failed";
+ return false;
+ }
+ } else {
+ op.data_length = static_cast<uint16_t>(header_.block_size);
+ if (!WriteOperation(op, iter, header_.block_size)) {
+ PLOG(ERROR) << "AddRawBlocks: write failed";
+ return false;
+ }
+ }
+ iter += header_.block_size;
+
+ i += 1;
+ pending_blocks -= 1;
+ }
+
+ CHECK(pending_blocks == 0);
+ }
+ return true;
+}
+
+bool CowWriter::EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) {
+ CHECK(!merge_in_progress_);
+ for (uint64_t i = 0; i < num_blocks; i++) {
+ CowOperation op = {};
+ op.type = kCowZeroOp;
+ op.new_block = new_block_start + i;
+ op.source = 0;
+ WriteOperation(op);
+ }
+ return true;
+}
+
+bool CowWriter::EmitLabel(uint64_t label) {
+ CHECK(!merge_in_progress_);
+ CowOperation op = {};
+ op.type = kCowLabelOp;
+ op.source = label;
+ return WriteOperation(op) && Sync();
+}
+
+bool CowWriter::EmitSequenceData(size_t num_ops, const uint32_t* data) {
+ CHECK(!merge_in_progress_);
+ size_t to_add = 0;
+ size_t max_ops = (header_.block_size * 2) / sizeof(uint32_t);
+ while (num_ops > 0) {
+ CowOperation op = {};
+ op.type = kCowSequenceOp;
+ op.source = next_data_pos_;
+ to_add = std::min(num_ops, max_ops);
+ op.data_length = static_cast<uint16_t>(to_add * sizeof(uint32_t));
+ if (!WriteOperation(op, data, op.data_length)) {
+ PLOG(ERROR) << "AddSequenceData: write failed";
+ return false;
+ }
+ num_ops -= to_add;
+ data += to_add;
+ }
+ return true;
+}
+
+bool CowWriter::EmitCluster() {
+ CowOperation op = {};
+ op.type = kCowClusterOp;
+ // Next cluster starts after remainder of current cluster and the next data block.
+ op.source = current_data_size_ + cluster_size_ - current_cluster_size_ - sizeof(CowOperation);
+ return WriteOperation(op);
+}
+
+bool CowWriter::EmitClusterIfNeeded() {
+ // If there isn't room for another op and the cluster end op, end the current cluster
+ if (cluster_size_ && cluster_size_ < current_cluster_size_ + 2 * sizeof(CowOperation)) {
+ if (!EmitCluster()) return false;
+ }
+ return true;
+}
+
+// TODO: Fix compilation issues when linking libcrypto library
+// when snapuserd is compiled as part of ramdisk.
+static void SHA256(const void*, size_t, uint8_t[]) {
+#if 0
+ SHA256_CTX c;
+ SHA256_Init(&c);
+ SHA256_Update(&c, data, length);
+ SHA256_Final(out, &c);
+#endif
+}
+
+bool CowWriter::Finalize() {
+ if (!FlushCluster()) {
+ LOG(ERROR) << "Finalize: FlushCluster() failed";
+ return false;
+ }
+
+ auto continue_cluster_size = current_cluster_size_;
+ auto continue_data_size = current_data_size_;
+ auto continue_data_pos = next_data_pos_;
+ auto continue_op_pos = next_op_pos_;
+ auto continue_num_ops = footer_.op.num_ops;
+ bool extra_cluster = false;
+
+ // Blank out extra ops, in case we're in append mode and dropped ops.
+ if (cluster_size_) {
+ auto unused_cluster_space = cluster_size_ - current_cluster_size_;
+ std::string clr;
+ clr.resize(unused_cluster_space, '\0');
+ if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
+ PLOG(ERROR) << "Failed to seek to footer position.";
+ return false;
+ }
+ if (!android::base::WriteFully(fd_, clr.data(), clr.size())) {
+ PLOG(ERROR) << "clearing unused cluster area failed";
+ return false;
+ }
+ }
+
+ // Footer should be at the end of a file, so if there is data after the current block, end it
+ // and start a new cluster.
+ if (cluster_size_ && current_data_size_ > 0) {
+ EmitCluster();
+ extra_cluster = true;
+ }
+
+ footer_.op.ops_size = footer_.op.num_ops * sizeof(CowOperation);
+ if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
+ PLOG(ERROR) << "Failed to seek to footer position.";
+ return false;
+ }
+ memset(&footer_.data.ops_checksum, 0, sizeof(uint8_t) * 32);
+ memset(&footer_.data.footer_checksum, 0, sizeof(uint8_t) * 32);
+
+ SHA256(&footer_.op, sizeof(footer_.op), footer_.data.footer_checksum);
+ // Write out footer at end of file
+ if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&footer_),
+ sizeof(footer_))) {
+ PLOG(ERROR) << "write footer failed";
+ return false;
+ }
+
+ // Remove excess data, if we're in append mode and threw away more data
+ // than we wrote before.
+ off_t offs = lseek(fd_.get(), 0, SEEK_CUR);
+ if (offs < 0) {
+ PLOG(ERROR) << "Failed to lseek to find current position";
+ return false;
+ }
+ if (!Truncate(offs)) {
+ return false;
+ }
+
+ // Reposition for additional Writing
+ if (extra_cluster) {
+ current_cluster_size_ = continue_cluster_size;
+ current_data_size_ = continue_data_size;
+ next_data_pos_ = continue_data_pos;
+ next_op_pos_ = continue_op_pos;
+ footer_.op.num_ops = continue_num_ops;
+ }
+
+ FlushCluster();
+
+ return Sync();
+}
+
+uint64_t CowWriter::GetCowSize() {
+ if (current_data_size_ > 0) {
+ return next_data_pos_ + sizeof(footer_);
+ } else {
+ return next_op_pos_ + sizeof(footer_);
+ }
+}
+
+bool CowWriter::GetDataPos(uint64_t* pos) {
+ off_t offs = lseek(fd_.get(), 0, SEEK_CUR);
+ if (offs < 0) {
+ PLOG(ERROR) << "lseek failed";
+ return false;
+ }
+ *pos = offs;
+ return true;
+}
+
+bool CowWriter::EnsureSpaceAvailable(const uint64_t bytes_needed) const {
+ if (bytes_needed > cow_image_size_) {
+ LOG(ERROR) << "No space left on COW device. Required: " << bytes_needed
+ << ", available: " << cow_image_size_;
+ errno = ENOSPC;
+ return false;
+ }
+ return true;
+}
+
+bool CowWriter::FlushCluster() {
+ ssize_t ret;
+
+ if (op_vec_index_) {
+ ret = pwritev(fd_.get(), cowop_vec_.get(), op_vec_index_, current_op_pos_);
+ if (ret != (op_vec_index_ * sizeof(CowOperation))) {
+ PLOG(ERROR) << "pwritev failed for CowOperation. Expected: "
+ << (op_vec_index_ * sizeof(CowOperation));
+ return false;
+ }
+ }
+
+ if (data_vec_index_) {
+ ret = pwritev(fd_.get(), data_vec_.get(), data_vec_index_, current_data_pos_);
+ if (ret != total_data_written_) {
+ PLOG(ERROR) << "pwritev failed for data. Expected: " << total_data_written_;
+ return false;
+ }
+ }
+
+ total_data_written_ = 0;
+ op_vec_index_ = 0;
+ data_vec_index_ = 0;
+ current_op_pos_ = next_op_pos_;
+ current_data_pos_ = next_data_pos_;
+
+ return true;
+}
+
+bool CowWriter::WriteOperation(const CowOperation& op, const void* data, size_t size) {
+ if (!EnsureSpaceAvailable(next_op_pos_ + sizeof(op))) {
+ return false;
+ }
+ if (!EnsureSpaceAvailable(next_data_pos_ + size)) {
+ return false;
+ }
+
+ if (batch_write_) {
+ CowOperation* cow_op = reinterpret_cast<CowOperation*>(cowop_vec_[op_vec_index_].iov_base);
+ std::memcpy(cow_op, &op, sizeof(CowOperation));
+ op_vec_index_ += 1;
+
+ if (data != nullptr && size > 0) {
+ struct iovec* data_ptr = data_vec_.get();
+ std::memcpy(data_ptr[data_vec_index_].iov_base, data, size);
+ data_ptr[data_vec_index_].iov_len = size;
+ data_vec_index_ += 1;
+ total_data_written_ += size;
+ }
+ } else {
+ if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
+ PLOG(ERROR) << "lseek failed for writing operation.";
+ return false;
+ }
+ if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op))) {
+ return false;
+ }
+ if (data != nullptr && size > 0) {
+ if (!WriteRawData(data, size)) return false;
+ }
+ }
+
+ AddOperation(op);
+
+ if (batch_write_) {
+ if (op_vec_index_ == header_.cluster_ops || data_vec_index_ == header_.cluster_ops ||
+ op.type == kCowLabelOp || op.type == kCowClusterOp) {
+ if (!FlushCluster()) {
+ LOG(ERROR) << "Failed to flush cluster data";
+ return false;
+ }
+ }
+ }
+
+ return EmitClusterIfNeeded();
+}
+
+void CowWriter::AddOperation(const CowOperation& op) {
+ footer_.op.num_ops++;
+
+ if (op.type == kCowClusterOp) {
+ current_cluster_size_ = 0;
+ current_data_size_ = 0;
+ } else if (header_.cluster_ops) {
+ current_cluster_size_ += sizeof(op);
+ current_data_size_ += op.data_length;
+ }
+
+ next_data_pos_ += op.data_length + GetNextDataOffset(op, header_.cluster_ops);
+ next_op_pos_ += sizeof(CowOperation) + GetNextOpOffset(op, header_.cluster_ops);
+}
+
+bool CowWriter::WriteRawData(const void* data, const size_t size) {
+ if (!android::base::WriteFullyAtOffset(fd_, data, size, next_data_pos_)) {
+ return false;
+ }
+ return true;
+}
+
+bool CowWriter::Sync() {
+ if (is_dev_null_) {
+ return true;
+ }
+ if (fsync(fd_.get()) < 0) {
+ PLOG(ERROR) << "fsync failed";
+ return false;
+ }
+ return true;
+}
+
+bool CowWriter::Truncate(off_t length) {
+ if (is_dev_null_ || is_block_device_) {
+ return true;
+ }
+ if (ftruncate(fd_.get(), length) < 0) {
+ PLOG(ERROR) << "Failed to truncate.";
+ return false;
+ }
+ return true;
+}
+
+} // namespace snapshot
+} // namespace android
diff --git a/fs_mgr/libsnapshot/inspect_cow.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/inspect_cow.cpp
similarity index 100%
rename from fs_mgr/libsnapshot/inspect_cow.cpp
rename to fs_mgr/libsnapshot/libsnapshot_cow/inspect_cow.cpp
diff --git a/fs_mgr/libsnapshot/run_snapshot_tests.sh b/fs_mgr/libsnapshot/run_snapshot_tests.sh
deleted file mode 100644
index b03a4e0..0000000
--- a/fs_mgr/libsnapshot/run_snapshot_tests.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/system/bin/sh
-
-# Detect host or AOSP.
-getprop ro.build.version.sdk > /dev/null 2>&1
-if [ $? -eq 0 ]; then
- cmd_prefix=""
- local_root=""
-else
- cmd_prefix="adb shell"
- local_root="${ANDROID_PRODUCT_OUT}"
- set -e
- set -x
- adb root
- adb sync data
- set +x
- set +e
-fi
-
-testpath64="/data/nativetest64/vts_libsnapshot_test/vts_libsnapshot_test"
-testpath32="/data/nativetest/vts_libsnapshot_test/vts_libsnapshot_test"
-if [ -f "${local_root}/${testpath64}" ]; then
- testpath="${testpath64}"
-elif [ -f "${local_root}/${testpath32}" ]; then
- testpath="${testpath32}"
-else
- echo "ERROR: vts_libsnapshot_test not found." 1>&2
- echo "Make sure to build vts_libsnapshot_test or snapshot_tests first." 1>&2
- exit 1
-fi
-
-# Verbose, error on failure.
-set -x
-set -e
-
-time ${cmd_prefix} ${testpath}
diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
index bc3efd9..961db02 100644
--- a/fs_mgr/libsnapshot/snapshot.cpp
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -1498,7 +1498,7 @@
if (UpdateUsesUserSnapshots(lock) && !device()->IsTestDevice()) {
if (snapuserd_client_) {
snapuserd_client_->DetachSnapuserd();
- snapuserd_client_->CloseConnection();
+ snapuserd_client_->RemoveTransitionedDaemonIndicator();
snapuserd_client_ = nullptr;
}
}
@@ -1747,13 +1747,6 @@
auto misc_name = user_cow_name;
- DmTable table;
- table.Emplace<DmTargetUser>(0, target.spec.length, misc_name);
- if (!dm_.LoadTableAndActivate(user_cow_name, table)) {
- LOG(ERROR) << "Unable to swap tables for " << misc_name;
- continue;
- }
-
std::string source_device_name;
if (snapshot_status.old_partition_size() > 0) {
source_device_name = GetSourceDeviceName(snapshot);
@@ -1781,13 +1774,6 @@
continue;
}
- // Wait for ueventd to acknowledge and create the control device node.
- std::string control_device = "/dev/dm-user/" + misc_name;
- if (!WaitForDevice(control_device, 10s)) {
- LOG(ERROR) << "dm-user control device no found: " << misc_name;
- continue;
- }
-
if (transition == InitTransition::SELINUX_DETACH) {
if (!UpdateUsesUserSnapshots(lock.get())) {
auto message = misc_name + "," + cow_image_device + "," + source_device;
@@ -1805,6 +1791,20 @@
continue;
}
+ DmTable table;
+ table.Emplace<DmTargetUser>(0, target.spec.length, misc_name);
+ if (!dm_.LoadTableAndActivate(user_cow_name, table)) {
+ LOG(ERROR) << "Unable to swap tables for " << misc_name;
+ continue;
+ }
+
+ // Wait for ueventd to acknowledge and create the control device node.
+ std::string control_device = "/dev/dm-user/" + misc_name;
+ if (!WaitForDevice(control_device, 10s)) {
+ LOG(ERROR) << "dm-user control device no found: " << misc_name;
+ continue;
+ }
+
uint64_t base_sectors;
if (!UpdateUsesUserSnapshots(lock.get())) {
base_sectors =
@@ -2794,7 +2794,6 @@
if (snapuserd_client_) {
LOG(INFO) << "Shutdown snapuserd daemon";
snapuserd_client_->DetachSnapuserd();
- snapuserd_client_->CloseConnection();
snapuserd_client_ = nullptr;
}
@@ -3317,7 +3316,7 @@
}
if (snapuserd_client) {
snapuserd_client->DetachSnapuserd();
- snapuserd_client->CloseConnection();
+ snapuserd_client = nullptr;
}
}
@@ -4138,10 +4137,71 @@
return status.state() != UpdateState::None && status.using_snapuserd();
}
-bool SnapshotManager::DetachSnapuserdForSelinux(std::vector<std::string>* snapuserd_argv) {
+bool SnapshotManager::PrepareSnapuserdArgsForSelinux(std::vector<std::string>* snapuserd_argv) {
return PerformInitTransition(InitTransition::SELINUX_DETACH, snapuserd_argv);
}
+bool SnapshotManager::DetachFirstStageSnapuserdForSelinux() {
+ LOG(INFO) << "Detaching first stage snapuserd";
+
+ auto lock = LockExclusive();
+ if (!lock) return false;
+
+ std::vector<std::string> snapshots;
+ if (!ListSnapshots(lock.get(), &snapshots)) {
+ LOG(ERROR) << "Failed to list snapshots.";
+ return false;
+ }
+
+ size_t num_cows = 0;
+ size_t ok_cows = 0;
+ for (const auto& snapshot : snapshots) {
+ std::string user_cow_name = GetDmUserCowName(snapshot, GetSnapshotDriver(lock.get()));
+
+ if (dm_.GetState(user_cow_name) == DmDeviceState::INVALID) {
+ continue;
+ }
+
+ DeviceMapper::TargetInfo target;
+ if (!GetSingleTarget(user_cow_name, TableQuery::Table, &target)) {
+ continue;
+ }
+
+ auto target_type = DeviceMapper::GetTargetType(target.spec);
+ if (target_type != "user") {
+ LOG(ERROR) << "Unexpected target type for " << user_cow_name << ": " << target_type;
+ continue;
+ }
+
+ num_cows++;
+ auto misc_name = user_cow_name;
+
+ DmTable table;
+ table.Emplace<DmTargetUser>(0, target.spec.length, misc_name);
+ if (!dm_.LoadTableAndActivate(user_cow_name, table)) {
+ LOG(ERROR) << "Unable to swap tables for " << misc_name;
+ continue;
+ }
+
+ // Wait for ueventd to acknowledge and create the control device node.
+ std::string control_device = "/dev/dm-user/" + misc_name;
+ if (!WaitForDevice(control_device, 10s)) {
+ LOG(ERROR) << "dm-user control device no found: " << misc_name;
+ continue;
+ }
+
+ ok_cows++;
+ LOG(INFO) << "control device is ready: " << control_device;
+ }
+
+ if (ok_cows != num_cows) {
+ LOG(ERROR) << "Could not transition all snapuserd consumers.";
+ return false;
+ }
+
+ return true;
+}
+
bool SnapshotManager::PerformSecondStageInitTransition() {
return PerformInitTransition(InitTransition::SECOND_STAGE);
}
@@ -4290,5 +4350,16 @@
return status.source_build_fingerprint();
}
+bool SnapshotManager::IsUserspaceSnapshotUpdateInProgress() {
+ auto slot = GetCurrentSlot();
+ if (slot == Slot::Target) {
+ if (IsSnapuserdRequired()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
} // namespace snapshot
} // namespace android
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index 3ea1d65..4014380 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -53,7 +53,15 @@
#include <libsnapshot/mock_device_info.h>
#include <libsnapshot/mock_snapshot.h>
-DEFINE_string(force_mode, "",
+#if defined(LIBSNAPSHOT_TEST_VAB_LEGACY)
+#define DEFAULT_MODE "vab-legacy"
+#elif defined(LIBSNAPSHOT_TEST_VABC_LEGACY)
+#define DEFAULT_MODE "vabc-legacy"
+#else
+#define DEFAULT_MODE ""
+#endif
+
+DEFINE_string(force_mode, DEFAULT_MODE,
"Force testing older modes (vab-legacy, vabc-legacy) ignoring device config.");
DEFINE_string(force_iouring_disable, "",
"Force testing mode (iouring_disabled) - disable io_uring");
@@ -107,6 +115,12 @@
protected:
void SetUp() override {
+ const testing::TestInfo* const test_info =
+ testing::UnitTest::GetInstance()->current_test_info();
+ test_name_ = test_info->test_suite_name() + "/"s + test_info->name();
+
+ LOG(INFO) << "Starting test: " << test_name_;
+
SKIP_IF_NON_VIRTUAL_AB();
SetupProperties();
@@ -152,10 +166,14 @@
void TearDown() override {
RETURN_IF_NON_VIRTUAL_AB();
+ LOG(INFO) << "Tearing down SnapshotTest test: " << test_name_;
+
lock_ = nullptr;
CleanupTestArtifacts();
SnapshotTestPropertyFetcher::TearDown();
+
+ LOG(INFO) << "Teardown complete for test: " << test_name_;
}
void InitializeState() {
@@ -487,6 +505,7 @@
android::fiemap::IImageManager* image_manager_ = nullptr;
std::string fake_super_;
bool snapuserd_required_ = false;
+ std::string test_name_;
};
TEST_F(SnapshotTest, CreateSnapshot) {
@@ -1003,6 +1022,8 @@
void TearDown() override {
RETURN_IF_NON_VIRTUAL_AB();
+ LOG(INFO) << "Tearing down SnapshotUpdateTest test: " << test_name_;
+
Cleanup();
SnapshotTest::TearDown();
}
@@ -2660,7 +2681,6 @@
}
void TearDown() override {
RETURN_IF_NON_VIRTUAL_AB();
- return; // BUG(149738928)
EXPECT_TRUE(!image_manager_->BackingImageExists(kImageName) ||
image_manager_->DeleteBackingImage(kImageName));
@@ -2669,19 +2689,6 @@
std::unique_ptr<LowSpaceUserdata> userdata_;
};
-TEST_P(ImageManagerTest, CreateImageEnoughAvailSpace) {
- if (userdata_->available_space() == 0) {
- GTEST_SKIP() << "/data is full (" << userdata_->available_space()
- << " bytes available), skipping";
- }
- ASSERT_TRUE(image_manager_->CreateBackingImage(kImageName, userdata_->available_space(),
- IImageManager::CREATE_IMAGE_DEFAULT))
- << "Should be able to create image with size = " << userdata_->available_space()
- << " bytes";
- ASSERT_TRUE(image_manager_->DeleteBackingImage(kImageName))
- << "Should be able to delete created image";
-}
-
TEST_P(ImageManagerTest, CreateImageNoSpace) {
uint64_t to_allocate = userdata_->free_space() + userdata_->bsize();
auto res = image_manager_->CreateBackingImage(kImageName, to_allocate,
@@ -2811,7 +2818,6 @@
return;
}
snapuserd_client->DetachSnapuserd();
- snapuserd_client->CloseConnection();
}
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/snapshot_writer.cpp b/fs_mgr/libsnapshot/snapshot_writer.cpp
index 48b7d80..82a7fd7 100644
--- a/fs_mgr/libsnapshot/snapshot_writer.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer.cpp
@@ -93,6 +93,9 @@
std::unique_ptr<FileDescriptor> CompressedSnapshotWriter::OpenReader() {
auto cow = OpenCowReader();
+ if (cow == nullptr) {
+ return nullptr;
+ }
auto reader = std::make_unique<CompressedSnapshotReader>();
if (!reader->SetCow(std::move(cow))) {
@@ -111,8 +114,9 @@
return reader;
}
-bool CompressedSnapshotWriter::EmitCopy(uint64_t new_block, uint64_t old_block) {
- return cow_->AddCopy(new_block, old_block);
+bool CompressedSnapshotWriter::EmitCopy(uint64_t new_block, uint64_t old_block,
+ uint64_t num_blocks) {
+ return cow_->AddCopy(new_block, old_block, num_blocks);
}
bool CompressedSnapshotWriter::EmitRawBlocks(uint64_t new_block_start, const void* data,
@@ -191,19 +195,29 @@
return true;
}
-bool OnlineKernelSnapshotWriter::EmitCopy(uint64_t new_block, uint64_t old_block) {
+bool OnlineKernelSnapshotWriter::EmitCopy(uint64_t new_block, uint64_t old_block,
+ uint64_t num_blocks) {
auto source_fd = GetSourceFd();
if (source_fd < 0) {
return false;
}
- std::string buffer(options_.block_size, 0);
- uint64_t offset = old_block * options_.block_size;
- if (!android::base::ReadFullyAtOffset(source_fd, buffer.data(), buffer.size(), offset)) {
- PLOG(ERROR) << "EmitCopy read";
- return false;
+ CHECK(num_blocks != 0);
+
+ for (size_t i = 0; i < num_blocks; i++) {
+ std::string buffer(options_.block_size, 0);
+ uint64_t offset = (old_block + i) * options_.block_size;
+ if (!android::base::ReadFullyAtOffset(source_fd, buffer.data(), buffer.size(), offset)) {
+ PLOG(ERROR) << "EmitCopy read";
+ return false;
+ }
+ if (!EmitRawBlocks(new_block + i, buffer.data(), buffer.size())) {
+ PLOG(ERROR) << "EmitRawBlocks failed";
+ return false;
+ }
}
- return EmitRawBlocks(new_block, buffer.data(), buffer.size());
+
+ return true;
}
bool OnlineKernelSnapshotWriter::EmitLabel(uint64_t) {
diff --git a/fs_mgr/libsnapshot/snapshotctl.cpp b/fs_mgr/libsnapshot/snapshotctl.cpp
index 67189d4..ad3f83c 100644
--- a/fs_mgr/libsnapshot/snapshotctl.cpp
+++ b/fs_mgr/libsnapshot/snapshotctl.cpp
@@ -25,9 +25,27 @@
#include <android-base/logging.h>
#include <android-base/unique_fd.h>
+#include <fs_mgr.h>
+#include <fs_mgr_dm_linear.h>
+#include <fstab/fstab.h>
+#include <liblp/builder.h>
+#include <libsnapshot/cow_format.h>
#include <libsnapshot/snapshot.h>
+#include <storage_literals/storage_literals.h>
+#ifdef SNAPSHOTCTL_USERDEBUG_OR_ENG
+#include <BootControlClient.h>
+#endif
+
+using namespace std::chrono_literals;
using namespace std::string_literals;
+using namespace android::storage_literals;
+using android::fs_mgr::CreateLogicalPartitionParams;
+using android::fs_mgr::FindPartition;
+using android::fs_mgr::GetPartitionSize;
+using android::fs_mgr::PartitionOpener;
+using android::fs_mgr::ReadMetadata;
+using android::fs_mgr::SlotNumberForSlotSuffix;
int Usage() {
std::cerr << "snapshotctl: Control snapshots.\n"
@@ -67,11 +85,136 @@
return false;
}
+#ifdef SNAPSHOTCTL_USERDEBUG_OR_ENG
+bool CreateTestUpdate(SnapshotManager* sm) {
+ chromeos_update_engine::DeltaArchiveManifest manifest;
+
+ // We only copy system, to simplify things.
+ manifest.set_partial_update(true);
+
+ auto dap = manifest.mutable_dynamic_partition_metadata();
+ dap->set_snapshot_enabled(true);
+ dap->set_vabc_enabled(true);
+ dap->set_vabc_compression_param("none");
+ dap->set_cow_version(kCowVersionMajor);
+
+ auto source_slot = fs_mgr_get_slot_suffix();
+ auto source_slot_number = SlotNumberForSlotSuffix(source_slot);
+ auto target_slot = fs_mgr_get_other_slot_suffix();
+ auto target_slot_number = SlotNumberForSlotSuffix(target_slot);
+ auto super_source = fs_mgr_get_super_partition_name(source_slot_number);
+
+ // Get current partition information.
+ PartitionOpener opener;
+ auto source_metadata = ReadMetadata(opener, super_source, source_slot_number);
+ if (!source_metadata) {
+ std::cerr << "Could not read source partition metadata.\n";
+ return false;
+ }
+
+ auto system_source_name = "system" + source_slot;
+ auto system_source = FindPartition(*source_metadata.get(), system_source_name);
+ if (!system_source) {
+ std::cerr << "Could not find system partition: " << system_source_name << ".\n";
+ return false;
+ }
+ auto system_source_size = GetPartitionSize(*source_metadata.get(), *system_source);
+
+ // Since we only add copy operations, 64MB should be enough.
+ auto system_update = manifest.mutable_partitions()->Add();
+ system_update->set_partition_name("system");
+ system_update->set_estimate_cow_size(64_MiB);
+ system_update->mutable_new_partition_info()->set_size(system_source_size);
+
+ if (!sm->CreateUpdateSnapshots(manifest)) {
+ std::cerr << "Could not create update snapshots.\n";
+ return false;
+ }
+
+ // Write the "new" system partition.
+ auto system_target_name = "system" + target_slot;
+ auto source_device = "/dev/block/mapper/" + system_source_name;
+ CreateLogicalPartitionParams clpp = {
+ .block_device = fs_mgr_get_super_partition_name(target_slot_number),
+ .metadata_slot = {target_slot_number},
+ .partition_name = system_target_name,
+ .partition_opener = &opener,
+ .timeout_ms = 10s,
+ };
+ auto writer = sm->OpenSnapshotWriter(clpp, {source_device});
+ if (!writer) {
+ std::cerr << "Could not open snapshot writer.\n";
+ return false;
+ }
+ if (!writer->Initialize()) {
+ std::cerr << "Could not initialize snapshot for writing.\n";
+ return false;
+ }
+
+ for (uint64_t block = 0; block < system_source_size / 4096; block++) {
+ if (!writer->AddCopy(block, block)) {
+ std::cerr << "Unable to add copy operation for block " << block << ".\n";
+ return false;
+ }
+ }
+ if (!writer->Finalize()) {
+ std::cerr << "Could not finalize COW for " << system_target_name << ".\n";
+ return false;
+ }
+ writer = nullptr;
+
+ // Finished writing this partition, unmap.
+ if (!sm->UnmapUpdateSnapshot(system_target_name)) {
+ std::cerr << "Could not unmap snapshot for " << system_target_name << ".\n";
+ return false;
+ }
+
+ // All snapshots have been written.
+ if (!sm->FinishedSnapshotWrites(false /* wipe */)) {
+ std::cerr << "Could not finalize snapshot writes.\n";
+ return false;
+ }
+
+ auto hal = hal::BootControlClient::WaitForService();
+ if (!hal) {
+ std::cerr << "Could not find IBootControl HAL.\n";
+ return false;
+ }
+ auto cr = hal->SetActiveBootSlot(target_slot_number);
+ if (!cr.IsOk()) {
+ std::cerr << "Could not set active boot slot: " << cr.errMsg;
+ return false;
+ }
+
+ std::cerr << "It is now safe to reboot your device. If using a physical device, make\n"
+ << "sure that all physical partitions are flashed to both A and B slots.\n";
+ return true;
+}
+
+bool TestOtaHandler(int /* argc */, char** /* argv */) {
+ auto sm = SnapshotManager::New();
+
+ if (!sm->BeginUpdate()) {
+ std::cerr << "Error starting update.\n";
+ return false;
+ }
+
+ if (!CreateTestUpdate(sm.get())) {
+ sm->CancelUpdate();
+ return false;
+ }
+ return true;
+}
+#endif
+
static std::map<std::string, std::function<bool(int, char**)>> kCmdMap = {
// clang-format off
{"dump", DumpCmdHandler},
{"merge", MergeCmdHandler},
{"map", MapCmdHandler},
+#ifdef SNAPSHOTCTL_USERDEBUG_OR_ENG
+ {"test-blank-ota", TestOtaHandler},
+#endif
{"unmap", UnmapCmdHandler},
// clang-format on
};
diff --git a/fs_mgr/libsnapshot/snapuserd/Android.bp b/fs_mgr/libsnapshot/snapuserd/Android.bp
index 64e0b8a..a67e37c 100644
--- a/fs_mgr/libsnapshot/snapuserd/Android.bp
+++ b/fs_mgr/libsnapshot/snapuserd/Android.bp
@@ -37,11 +37,13 @@
cc_library_static {
name: "libsnapshot_snapuserd",
defaults: [
+ "fs_mgr_defaults",
"libsnapshot_snapuserd_defaults",
],
recovery_available: true,
static_libs: [
"libcutils_sockets",
+ "libfs_mgr",
],
shared_libs: [
"libbase",
@@ -49,6 +51,7 @@
],
export_include_dirs: ["include"],
ramdisk_available: true,
+ vendor_ramdisk_available: true,
}
cc_defaults {
@@ -86,6 +89,7 @@
"libgflags",
"liblog",
"libsnapshot_cow",
+ "libsnapshot_snapuserd",
"libz",
"liblz4",
"libext4_utils",
diff --git a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
index 9a69d58..fb2251e 100644
--- a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
+++ b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
@@ -32,6 +32,7 @@
static constexpr char kSnapuserdSocket[] = "snapuserd";
static constexpr char kSnapuserdSocketProxy[] = "snapuserd_proxy";
+static constexpr char kDaemonAliveIndicator[] = "daemon-alive-indicator";
// Ensure that the second-stage daemon for snapuserd is running.
bool EnsureSnapuserdStarted();
@@ -44,9 +45,11 @@
std::string Receivemsg();
bool ValidateConnection();
+ std::string GetDaemonAliveIndicatorPath();
public:
explicit SnapuserdClient(android::base::unique_fd&& sockfd);
+ SnapuserdClient(){};
static std::unique_ptr<SnapuserdClient> Connect(const std::string& socket_name,
std::chrono::milliseconds timeout_ms);
@@ -71,8 +74,6 @@
// must ONLY be called if the control device has already been deleted.
bool WaitForDeviceDelete(const std::string& control_device);
- void CloseConnection() { sockfd_ = {}; }
-
// Detach snapuserd. This shuts down the listener socket, and will cause
// snapuserd to gracefully exit once all handler threads have terminated.
// This should only be used on first-stage instances of snapuserd.
@@ -93,6 +94,17 @@
// Check the update verification status - invoked by update_verifier during
// boot
bool QueryUpdateVerification();
+
+ // Check if Snapuser daemon is ready post selinux transition after OTA boot
+ // This is invoked only by init as there is no sockets setup yet during
+ // selinux transition
+ bool IsTransitionedDaemonReady();
+
+ // Remove the daemon-alive-indicator path post snapshot merge
+ bool RemoveTransitionedDaemonIndicator();
+
+ // Notify init that snapuserd daemon is ready post selinux transition
+ void NotifyTransitionDaemonIsReady();
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd.rc b/fs_mgr/libsnapshot/snapuserd/snapuserd.rc
index 2750096..522fe08 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd.rc
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd.rc
@@ -4,6 +4,7 @@
disabled
user root
group root system
+ task_profiles OtaProfiles
seclabel u:r:snapuserd:s0
service snapuserd_proxy /system/bin/snapuserd -socket-handoff
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp b/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
index e08cf9b..695b581 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
@@ -29,10 +29,12 @@
#include <chrono>
#include <sstream>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
+#include <fs_mgr/file_wait.h>
#include <snapuserd/snapuserd_client.h>
namespace android {
@@ -279,5 +281,42 @@
return response == "success";
}
+std::string SnapuserdClient::GetDaemonAliveIndicatorPath() {
+ return "/metadata/ota/" + std::string(kDaemonAliveIndicator);
+}
+
+bool SnapuserdClient::IsTransitionedDaemonReady() {
+ if (!android::fs_mgr::WaitForFile(GetDaemonAliveIndicatorPath(), 10s)) {
+ LOG(ERROR) << "Timed out waiting for daemon indicator path: "
+ << GetDaemonAliveIndicatorPath();
+ return false;
+ }
+
+ return true;
+}
+
+bool SnapuserdClient::RemoveTransitionedDaemonIndicator() {
+ std::string error;
+ std::string filePath = GetDaemonAliveIndicatorPath();
+ if (!android::base::RemoveFileIfExists(filePath, &error)) {
+ LOG(ERROR) << "Failed to remove DaemonAliveIndicatorPath - error: " << error;
+ return false;
+ }
+
+ if (!android::fs_mgr::WaitForFileDeleted(filePath, 5s)) {
+ LOG(ERROR) << "Timed out waiting for " << filePath << " to unlink";
+ return false;
+ }
+
+ return true;
+}
+
+void SnapuserdClient::NotifyTransitionDaemonIsReady() {
+ if (!android::base::WriteStringToFile("1", GetDaemonAliveIndicatorPath())) {
+ PLOG(ERROR) << "Unable to write daemon alive indicator path: "
+ << GetDaemonAliveIndicatorPath();
+ }
+}
+
} // namespace snapshot
} // namespace android
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
index 2f7775c..bfe93eb 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
@@ -119,6 +119,12 @@
}
}
+ // We reach this point only during selinux transition during device boot.
+ // At this point, all threads are spin up and are ready to serve the I/O
+ // requests for dm-user. Lets inform init.
+ auto client = std::make_unique<SnapuserdClient>();
+ client->NotifyTransitionDaemonIsReady();
+
// Skip the accept() call to avoid spurious log spam. The server will still
// run until all handlers have completed.
return user_server_.WaitForSocket();
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_core.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_core.cpp
index 8939b78..492c43f 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_core.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_core.cpp
@@ -162,7 +162,7 @@
}
bool SnapshotHandler::ReadMetadata() {
- reader_ = std::make_unique<CowReader>(CowReader::ReaderFlags::USERSPACE_MERGE);
+ reader_ = std::make_unique<CowReader>(CowReader::ReaderFlags::USERSPACE_MERGE, true);
CowHeader header;
CowOptions options;
@@ -193,7 +193,7 @@
UpdateMergeCompletionPercentage();
// Initialize the iterator for reading metadata
- std::unique_ptr<ICowOpIter> cowop_iter = reader_->GetMergeOpIter();
+ std::unique_ptr<ICowOpIter> cowop_iter = reader_->GetOpIter(true);
int num_ra_ops_per_iter = ((GetBufferDataSize()) / BLOCK_SZ);
int ra_index = 0;
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_dm_user.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_dm_user.cpp
index 1e300d2..0d0f711 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_dm_user.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_dm_user.cpp
@@ -253,6 +253,11 @@
bool Worker::RunThread() {
SNAP_LOG(INFO) << "Processing snapshot I/O requests....";
+
+ if (setpriority(PRIO_PROCESS, gettid(), kNiceValueForMergeThreads)) {
+ SNAP_PLOG(ERROR) << "Failed to set priority for TID: " << gettid();
+ }
+
// Start serving IO
while (true) {
if (!ProcessIORequest()) {
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_merge.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_merge.cpp
index 63f47d6..d57f434 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_merge.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_merge.cpp
@@ -466,7 +466,7 @@
}
bool Worker::Merge() {
- cowop_iter_ = reader_->GetMergeOpIter();
+ cowop_iter_ = reader_->GetOpIter(true);
bool retry = false;
bool ordered_ops_merge_status;
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
index b9e4255..fbe57d2 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
@@ -772,7 +772,7 @@
}
void ReadAhead::InitializeRAIter() {
- cowop_iter_ = reader_->GetMergeOpIter();
+ cowop_iter_ = reader_->GetOpIter(true);
}
bool ReadAhead::RAIterDone() {
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
index 1bf33c8..d437d32 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
@@ -462,15 +462,14 @@
}
bool UserSnapshotServer::HandleClient(android::base::borrowed_fd fd, int revents) {
- if (revents & POLLHUP) {
- LOG(DEBUG) << "Snapuserd client disconnected";
- return false;
- }
-
std::string str;
if (!Recv(fd, &str)) {
return false;
}
+ if (str.empty() && (revents & POLLHUP)) {
+ LOG(DEBUG) << "Snapuserd client disconnected";
+ return false;
+ }
if (!Receivemsg(fd, str)) {
LOG(ERROR) << "Encountered error handling client message, revents: " << revents;
return false;
@@ -650,6 +649,12 @@
while (active_merge_threads_ < kMaxMergeThreads && merge_handlers_.size() > 0) {
auto handler = merge_handlers_.front();
merge_handlers_.pop();
+
+ if (!handler->snapuserd()) {
+ LOG(INFO) << "MonitorMerge: skipping deleted handler: " << handler->misc_name();
+ continue;
+ }
+
LOG(INFO) << "Starting merge for partition: "
<< handler->snapuserd()->GetMiscName();
handler->snapuserd()->InitiateMerge();
diff --git a/fs_mgr/libsnapshot/utility.cpp b/fs_mgr/libsnapshot/utility.cpp
index 0a1be0d..a98bf0e 100644
--- a/fs_mgr/libsnapshot/utility.cpp
+++ b/fs_mgr/libsnapshot/utility.cpp
@@ -17,6 +17,7 @@
#include <errno.h>
#include <time.h>
+#include <filesystem>
#include <iomanip>
#include <sstream>
@@ -152,20 +153,52 @@
}
}
-bool WriteStringToFileAtomic(const std::string& content, const std::string& path) {
- std::string tmp_path = path + ".tmp";
- if (!android::base::WriteStringToFile(content, tmp_path)) {
+bool FsyncDirectory(const char* dirname) {
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(dirname, O_RDONLY | O_CLOEXEC)));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open " << dirname;
return false;
}
+ if (fsync(fd) == -1) {
+ if (errno == EROFS || errno == EINVAL) {
+ PLOG(WARNING) << "Skip fsync " << dirname
+ << " on a file system does not support synchronization";
+ } else {
+ PLOG(ERROR) << "Failed to fsync " << dirname;
+ return false;
+ }
+ }
+ return true;
+}
+
+bool WriteStringToFileAtomic(const std::string& content, const std::string& path) {
+ const std::string tmp_path = path + ".tmp";
+ {
+ const int flags = O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_BINARY;
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(tmp_path.c_str(), flags, 0666)));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open " << path;
+ return false;
+ }
+ if (!android::base::WriteStringToFd(content, fd)) {
+ PLOG(ERROR) << "Failed to write to fd " << fd;
+ return false;
+ }
+ // rename() without fsync() is not safe. Data could still be living on page cache. To ensure
+ // atomiticity, call fsync()
+ if (fsync(fd) != 0) {
+ PLOG(ERROR) << "Failed to fsync " << tmp_path;
+ }
+ }
if (rename(tmp_path.c_str(), path.c_str()) == -1) {
PLOG(ERROR) << "rename failed from " << tmp_path << " to " << path;
return false;
}
- return true;
+ return FsyncDirectory(std::filesystem::path(path).parent_path().c_str());
}
std::ostream& operator<<(std::ostream& os, const Now&) {
- struct tm now;
+ struct tm now {};
time_t t = time(nullptr);
localtime_r(&t, &now);
return os << std::put_time(&now, "%Y%m%d-%H%M%S");
diff --git a/fs_mgr/libsnapshot/utility.h b/fs_mgr/libsnapshot/utility.h
index 16aa81a..8c4c7c6 100644
--- a/fs_mgr/libsnapshot/utility.h
+++ b/fs_mgr/libsnapshot/utility.h
@@ -59,7 +59,6 @@
// On destruct, delete |name| from device mapper.
AutoUnmapDevice(android::dm::IDeviceMapper* dm, const std::string& name)
: AutoDevice(name), dm_(dm) {}
- AutoUnmapDevice(AutoUnmapDevice&& other) = default;
~AutoUnmapDevice();
private:
@@ -72,7 +71,6 @@
// On destruct, delete |name| from image manager.
AutoUnmapImage(android::fiemap::IImageManager* images, const std::string& name)
: AutoDevice(name), images_(images) {}
- AutoUnmapImage(AutoUnmapImage&& other) = default;
~AutoUnmapImage();
private:
@@ -86,7 +84,6 @@
AutoDeleteSnapshot(SnapshotManager* manager, SnapshotManager::LockedFile* lock,
const std::string& name)
: AutoDevice(name), manager_(manager), lock_(lock) {}
- AutoDeleteSnapshot(AutoDeleteSnapshot&& other);
~AutoDeleteSnapshot();
private:
@@ -120,6 +117,7 @@
// Note that rename() is an atomic operation. This function may not work properly if there
// is an open fd to |path|, because that fd has an old view of the file.
bool WriteStringToFileAtomic(const std::string& content, const std::string& path);
+bool FsyncDirectory(const char* dirname);
// Writes current time to a given stream.
struct Now {};
diff --git a/fs_mgr/libsnapshot/vts_ota_config_test.cpp b/fs_mgr/libsnapshot/vts_ota_config_test.cpp
old mode 100644
new mode 100755
index 02bcc34..d387eb3
--- a/fs_mgr/libsnapshot/vts_ota_config_test.cpp
+++ b/fs_mgr/libsnapshot/vts_ota_config_test.cpp
@@ -22,6 +22,9 @@
}
TEST(VAB, Enabled) {
+ if (!android::base::GetBoolProperty("ro.build.ab_update", false) && (GetVsrLevel() < __ANDROID_API_T__)) {
+ GTEST_SKIP();
+ }
ASSERT_TRUE(android::base::GetBoolProperty("ro.virtual_ab.enabled", false));
if (GetVsrLevel() < __ANDROID_API_T__) {
GTEST_SKIP();
diff --git a/fs_mgr/libvbmeta/utility.h b/fs_mgr/libvbmeta/utility.h
index 91db0ad..ab9828d 100644
--- a/fs_mgr/libvbmeta/utility.h
+++ b/fs_mgr/libvbmeta/utility.h
@@ -19,7 +19,7 @@
#include <android-base/logging.h>
#include <android-base/result.h>
-#define VBMETA_TAG "[libvbmeta]"
+#define VBMETA_TAG "[libvbmeta] "
#define LWARN LOG(WARNING) << VBMETA_TAG
#define LINFO LOG(INFO) << VBMETA_TAG
#define LERROR LOG(ERROR) << VBMETA_TAG
diff --git a/fs_mgr/tests/Android.bp b/fs_mgr/tests/Android.bp
index fdc0d8e..b9bae25 100644
--- a/fs_mgr/tests/Android.bp
+++ b/fs_mgr/tests/Android.bp
@@ -53,8 +53,9 @@
}
sh_binary_host {
- name: "adb-remount-test.sh",
+ name: "adb-remount-test",
src: "adb-remount-test.sh",
+ filename_from_src: true,
target: {
darwin: {
enabled: false,
@@ -68,7 +69,7 @@
sh_test {
name: "adb-remount-sh",
src: "adb-remount-test.sh",
- filename: "adb-remount-test.sh",
+ filename_from_src: true,
test_suites: ["general-tests"],
test_config: "adb-remount-sh.xml",
}
diff --git a/fs_mgr/tests/adb-remount-test.sh b/fs_mgr/tests/adb-remount-test.sh
index 91024d1..c87e564 100755
--- a/fs_mgr/tests/adb-remount-test.sh
+++ b/fs_mgr/tests/adb-remount-test.sh
@@ -50,15 +50,18 @@
ESCAPE="`echo | tr '\n' '\033'`"
# A _real_ embedded carriage return character
CR="`echo | tr '\n' '\r'`"
-GREEN="${ESCAPE}[32m"
-RED="${ESCAPE}[31m"
-YELLOW="${ESCAPE}[33m"
-BLUE="${ESCAPE}[34m"
-NORMAL="${ESCAPE}[0m"
-TMPDIR=${TMPDIR:-/tmp}
-print_time=false
+RED=
+GREEN=
+YELLOW=
+BLUE=
+NORMAL=
+color=false
+# Assume support color if stdout is terminal.
+[ -t 1 ] && color=true
+print_time=true
start_time=`date +%s`
ACTIVE_SLOT=
+OVERLAYFS_BACKING="cache mnt/scratch"
ADB_WAIT=4m
FASTBOOT_WAIT=2m
@@ -68,6 +71,46 @@
## Helper Functions
##
+[ "USAGE: LOG [RUN|OK|PASSED|WARNING|ERROR|FAILED|INFO] [message]..." ]
+LOG() {
+ if ${print_time}; then
+ echo -n "$(date '+%m-%d %T') "
+ fi >&2
+ case "${1}" in
+ R*)
+ shift
+ echo "${GREEN}[ RUN ]${NORMAL}" "${@}"
+ ;;
+ OK)
+ shift
+ echo "${GREEN}[ OK ]${NORMAL}" "${@}"
+ ;;
+ P*)
+ shift
+ echo "${GREEN}[ PASSED ]${NORMAL}" "${@}"
+ ;;
+ W*)
+ shift
+ echo "${YELLOW}[ WARNING ]${NORMAL}" "${@}"
+ ;;
+ E*)
+ shift
+ echo "${RED}[ ERROR ]${NORMAL}" "${@}"
+ ;;
+ F*)
+ shift
+ echo "${RED}[ FAILED ]${NORMAL}" "${@}"
+ ;;
+ I*)
+ shift
+ echo "${BLUE}[ INFO ]${NORMAL}" "${@}"
+ ;;
+ *)
+ echo "${BLUE}[ INFO ]${NORMAL}" "${@}"
+ ;;
+ esac >&2
+}
+
[ "USAGE: inFastboot
Returns: true if device is in fastboot mode" ]
@@ -143,7 +186,7 @@
Returns: the logcat output" ]
adb_logcat() {
- echo "${RED}[ INFO ]${NORMAL} logcat ${@}" >&2 &&
+ LOG INFO "logcat ${*}"
adb logcat "${@}" </dev/null |
tr -d '\r' |
grep -v 'logd : logdr: UID=' |
@@ -154,7 +197,7 @@
Returns: worrisome avc violations" ]
avc_check() {
- if ! ${overlayfs_supported:-false}; then
+ if ! ${overlayfs_needed:-false}; then
return
fi
local L=`adb_logcat -b all -v brief -d \
@@ -164,7 +207,7 @@
if [ -z "${L}" ]; then
return
fi
- echo "${YELLOW}[ WARNING ]${NORMAL} unlabeled sepolicy violations:" >&2
+ LOG WARNING "unlabeled sepolicy violations:"
echo "${L}" | sed "s/^/${INDENT}/" >&2
}
@@ -175,15 +218,6 @@
adb_sh getprop ${1} </dev/null
}
-[ "USAGE: isDebuggable
-
-Returns: true if device is (likely) a debug build" ]
-isDebuggable() {
- if inAdb && [ 1 != "`get_property ro.debuggable`" ]; then
- false
- fi
-}
-
[ "USAGE: adb_su <commands> </dev/stdin >/dev/stdout 2>/dev/stderr
Returns: true if the command running as root succeeded" ]
@@ -202,17 +236,6 @@
return ${ret}
}
-[ "USAGE: adb_ls <dirfile> >stdout
-
-Returns: filename or directoru content to stdout with carriage returns skipped,
- true if the ls had no errors" ]
-adb_ls() {
- local OUTPUT="`adb_sh ls ${1} </dev/null 2>/dev/null`"
- local ret=${?}
- echo "${OUTPUT}" | tr -d '\r'
- return ${ret}
-}
-
[ "USAGE: adb_test <expression>
Returns: exit status of the test expression" ]
@@ -227,6 +250,7 @@
avc_check
adb reboot remount-test </dev/null || true
sleep 2
+ adb_wait "${ADB_WAIT}"
}
[ "USAGE: format_duration [<seconds>|<seconds>s|<minutes>m|<hours>h|<days>d]
@@ -241,15 +265,15 @@
if [ X"${duration}" != X"${duration%s}" ]; then
duration=${duration%s}
elif [ X"${duration}" != X"${duration%m}" ]; then
- duration=`expr ${duration%m} \* 60`
+ duration=$(( ${duration%m} * 60 ))
elif [ X"${duration}" != X"${duration%h}" ]; then
- duration=`expr ${duration%h} \* 3600`
+ duration=$(( ${duration%h} * 3600 ))
elif [ X"${duration}" != X"${duration%d}" ]; then
- duration=`expr ${duration%d} \* 86400`
+ duration=$(( ${duration%d} * 86400 ))
fi
- local seconds=`expr ${duration} % 60`
- local minutes=`expr \( ${duration} / 60 \) % 60`
- local hours=`expr ${duration} / 3600`
+ local seconds=$(( ${duration} % 60 ))
+ local minutes=$(( ( ${duration} / 60 ) % 60 ))
+ local hours=$(( ${duration} / 3600 ))
if [ 0 -eq ${minutes} -a 0 -eq ${hours} ]; then
if [ 1 -eq ${duration} ]; then
echo 1 second
@@ -265,10 +289,10 @@
return
fi
if [ 0 -eq ${hours} ]; then
- echo ${minutes}:`expr ${seconds} / 10``expr ${seconds} % 10`
+ echo ${minutes}:$(( ${seconds} / 10 ))$(( ${seconds} % 10 ))
return
fi
- echo ${hours}:`expr ${minutes} / 10``expr ${minutes} % 10`:`expr ${seconds} / 10``expr ${seconds} % 10`
+ echo ${hours}:$(( ${minutes} / 10 ))$(( ${minutes} % 10 )):$(( ${seconds} / 10 ))$(( ${seconds} % 10))
}
[ "USAGE: USB_DEVICE=\`usb_devnum [--next]\`
@@ -282,7 +306,7 @@
if [ -n "${usb_device}" ]; then
USB_DEVICE=dev${usb_device}
elif [ -n "${USB_DEVICE}" -a "${1}" ]; then
- USB_DEVICE=dev`expr ${USB_DEVICE#dev} + 1`
+ USB_DEVICE=dev$(( ${USB_DEVICE#dev} + 1 ))
fi
echo "${USB_DEVICE}"
fi
@@ -298,10 +322,10 @@
if [ -n "${1}" -a -n "`which timeout`" ]; then
USB_DEVICE=`usb_devnum --next`
duration=`format_duration ${1}`
- echo -n ". . . waiting ${duration}" ${ANDROID_SERIAL} ${USB_ADDRESS} ${USB_DEVICE} "${CR}"
+ echo -n ". . . waiting ${duration}" ${ANDROID_SERIAL} ${USB_ADDRESS} ${USB_DEVICE} "${CR}" >&2
timeout --preserve-status --signal=KILL ${1} adb wait-for-device 2>/dev/null
ret=${?}
- echo -n " ${CR}"
+ echo -n " ${CR}" >&2
else
adb wait-for-device
ret=${?}
@@ -310,11 +334,11 @@
if [ 0 = ${ret} -a -n "${ACTIVE_SLOT}" ]; then
local active_slot=`get_active_slot`
if [ X"${ACTIVE_SLOT}" != X"${active_slot}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} Active slot changed from ${ACTIVE_SLOT} to ${active_slot}" >&2
+ LOG WARNING "Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
fi
fi
local end=`date +%s`
- local diff_time=`expr ${end} - ${start}`
+ local diff_time=$(( ${end} - ${start} ))
local _print_time=${print_time}
if [ ${diff_time} -lt 15 ]; then
_print_time=false
@@ -339,8 +363,8 @@
;;
esac
if ${_print_time} || [ -n "${reason}" ]; then
- echo "${BLUE}[ INFO ]${NORMAL} adb wait duration ${diff_time}${reason}"
- fi >&2
+ LOG INFO "adb wait duration ${diff_time}${reason}"
+ fi
return ${ret}
}
@@ -413,8 +437,8 @@
if [ 0 = ${ret} -a -n "${ACTIVE_SLOT}" ]; then
local active_slot=`get_active_slot`
if [ X"${ACTIVE_SLOT}" != X"${active_slot}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
- fi >&2
+ LOG WARNING "Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
+ fi
fi
return ${ret}
}
@@ -438,8 +462,8 @@
if [ 0 = ${ret} -a -n "${ACTIVE_SLOT}" ]; then
local active_slot=`get_active_slot`
if [ X"${ACTIVE_SLOT}" != X"${active_slot}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
- fi >&2
+ LOG WARNING "Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
+ fi
fi
return ${ret}
}
@@ -494,10 +518,10 @@
break
fi
fi
- counter=`expr ${counter} + 1`
+ counter=$(( ${counter} + 1 ))
if [ ${counter} -gt ${timeout} ]; then
${exit_function}
- echo "ERROR: wait_for_screen() timed out (`format_duration ${timeout}`)" >&2
+ LOG ERROR "wait_for_screen() timed out ($(format_duration ${timeout}))"
return 1
fi
sleep 1
@@ -570,22 +594,13 @@
[ "USAGE: restore
-Do nothing: should be redefined when necessary. Called after cleanup.
+Do nothing: should be redefined when necessary.
Returns: reverses configurations" ]
restore() {
true
}
-[ "USAGE: cleanup
-
-Do nothing: should be redefined when necessary
-
-Returns: cleans up any latent resources" ]
-cleanup() {
- true
-}
-
[ "USAGE: test_duration >/dev/stderr
Prints the duration of the test
@@ -593,12 +608,12 @@
Returns: reports duration" ]
test_duration() {
if ${print_time}; then
- echo "${BLUE}[ INFO ]${NORMAL} end `date`"
+ LOG INFO "end $(date)"
[ -n "${start_time}" ] || return
end_time=`date +%s`
- local diff_time=`expr ${end_time} - ${start_time}`
- echo "${BLUE}[ INFO ]${NORMAL} duration `format_duration ${diff_time}`"
- fi >&2
+ local diff_time=$(( ${end_time} - ${start_time} ))
+ LOG INFO "duration $(format_duration ${diff_time})"
+ fi
}
[ "USAGE: die [-d|-t <epoch>] [message] >/dev/stderr
@@ -618,121 +633,65 @@
fi
shift 2
fi >&2
- echo "${RED}[ FAILED ]${NORMAL} ${@}" >&2
- cleanup
- restore
- test_duration
+ LOG FAILED "${@}"
exit 1
}
-[ "USAGE: EXPECT_EQ <lval> <rval> [--warning [message]]
-
-Returns true if (regex) lval matches rval" ]
-EXPECT_EQ() {
- local lval="${1}"
- local rval="${2}"
- shift 2
- local error=1
- local prefix="${RED}[ ERROR ]${NORMAL}"
- if [ X"${1}" = X"--warning" ]; then
- prefix="${RED}[ WARNING ]${NORMAL}"
- error=0
- shift 1
- fi
- if ! ( echo X"${rval}" | grep '^X'"${lval}"'$' >/dev/null 2>/dev/null ); then
- if [ `echo ${lval}${rval}${*} | wc -c` -gt 50 -o "${rval}" != "${rval%
-*}" ]; then
- echo "${prefix} expected \"${lval}\""
- echo "${prefix} got \"${rval}\"" |
- sed ": again
- N
- s/\(\n\)\([^ ]\)/\1${INDENT}\2/
- t again"
- if [ -n "${*}" ] ; then
- echo "${prefix} ${*}"
- fi
- else
- echo "${prefix} expected \"${lval}\" got \"${rval}\" ${*}"
- fi >&2
- return ${error}
- fi
- if [ -n "${*}" ] ; then
- prefix="${GREEN}[ INFO ]${NORMAL}"
- if [ X"${lval}" != X"${rval}" ]; then # we were supplied a regex?
- if [ `echo ${lval}${rval}${*} | wc -c` -gt 60 -o "${rval}" != "${rval% *}" ]; then
- echo "${prefix} ok \"${lval}\""
- echo " = \"${rval}\"" |
- sed ": again
- N
- s/\(\n\)\([^ ]\)/\1${INDENT}\2/
- t again"
- if [ -n "${*}" ] ; then
- echo "${prefix} ${*}"
- fi
- else
- echo "${prefix} ok \"${lval}\" = \"${rval}\" ${*}"
- fi
- else
- echo "${prefix} ok \"${lval}\" ${*}"
- fi >&2
- fi
- return 0
-}
-
-[ "USAGE: EXPECT_NE <lval> <rval> [--warning [message]]
-
-Returns true if lval matches rval" ]
-EXPECT_NE() {
- local lval="${1}"
- local rval="${2}"
- shift 2
- local error=1
- local prefix="${RED}[ ERROR ]${NORMAL}"
- if [ X"${1}" = X"--warning" ]; then
- prefix="${RED}[ WARNING ]${NORMAL}"
- error=0
- shift 1
- fi
- if [ X"${rval}" = X"${lval}" ]; then
- echo "${prefix} did not expect \"${lval}\" ${*}" >&2
- return ${error}
- fi
- if [ -n "${*}" ] ; then
- echo "${prefix} ok \"${lval}\" not \"${rval}\" ${*}" >&2
- fi
- return 0
-}
-
[ "USAGE: check_eq <lval> <rval> [--warning [message]]
-Exits if (regex) lval mismatches rval" ]
+Exits if (regex) lval mismatches rval.
+
+Returns: true if lval matches rval" ]
check_eq() {
local lval="${1}"
local rval="${2}"
shift 2
+ if [[ "${rval}" =~ ^${lval}$ ]]; then
+ return 0
+ fi
+
+ local error=true
+ local logt=ERROR
if [ X"${1}" = X"--warning" ]; then
- EXPECT_EQ "${lval}" "${rval}" ${*}
- return
+ shift 1
+ error=false
+ logt=WARNING
fi
- if ! EXPECT_EQ "${lval}" "${rval}"; then
- die "${@}"
+ if [ $(( ${#lval} + ${#rval} )) -gt 40 ]; then
+ LOG "${logt}" "expected \"${lval}\"
+${INDENT}got \"${rval}\""
+ else
+ LOG "${logt}" "expected \"${lval}\" got \"${rval}\""
fi
+ ${error} && die "${*}"
+ [ -n "${*}" ] && LOG "${logt}" "${*}"
+ return 1
}
[ "USAGE: check_ne <lval> <rval> [--warning [message]]
-Exits if lval matches rval" ]
+Exits if (regex) lval matches rval.
+
+Returns: true if lval mismatches rval" ]
check_ne() {
local lval="${1}"
local rval="${2}"
shift 2
+ if ! [[ "${rval}" =~ ^${lval}$ ]]; then
+ return 0
+ fi
+
+ local error=true
+ local logt=ERROR
if [ X"${1}" = X"--warning" ]; then
- EXPECT_NE "${lval}" "${rval}" ${*}
- return
+ shift 1
+ error=false
+ logt=WARNING
fi
- if ! EXPECT_NE "${lval}" "${rval}"; then
- die "${@}"
- fi
+ LOG "${logt}" "unexpected \"${rval}\""
+ ${error} && die "${*}"
+ [ -n "${*}" ] && LOG "${logt}" "${*}"
+ return 1
}
[ "USAGE: join_with <delimiter> <strings>
@@ -752,40 +711,68 @@
echo "${result}"
}
-[ "USAGE: skip_administrative_mounts [data] < /proc/mounts
+[ "USAGE: skip_administrative_mounts < /proc/mounts
Filters out all administrative (eg: sysfs) mounts uninteresting to the test" ]
skip_administrative_mounts() {
local exclude_filesystems=(
"overlay" "tmpfs" "none" "sysfs" "proc" "selinuxfs" "debugfs" "bpf"
"binfmt_misc" "cg2_bpf" "pstore" "tracefs" "adb" "mtp" "ptp" "devpts"
- "ramdumpfs" "binder" "securityfs" "functionfs" "rootfs"
+ "ramdumpfs" "binder" "securityfs" "functionfs" "rootfs" "fuse"
)
local exclude_devices=(
"\/sys\/kernel\/debug" "\/data\/media" "\/dev\/block\/loop[0-9]*"
+ "\/dev\/block\/vold\/[^ ]+"
"${exclude_filesystems[@]}"
)
local exclude_mount_points=(
"\/cache" "\/mnt\/scratch" "\/mnt\/vendor\/persist" "\/persist"
- "\/metadata"
+ "\/metadata" "\/apex\/[^ ]+"
)
- if [ "data" = "${1}" ]; then
- exclude_mount_points+=("\/data")
- fi
awk '$1 !~ /^('"$(join_with "|" "${exclude_devices[@]}")"')$/ &&
$2 !~ /^('"$(join_with "|" "${exclude_mount_points[@]}")"')$/ &&
$3 !~ /^('"$(join_with "|" "${exclude_filesystems[@]}")"')$/'
}
-[ "USAGE: skip_unrelated_mounts < /proc/mounts
+[ "USAGE: surgically_wipe_overlayfs
-or output from df
+Surgically wipe any mounted overlayfs scratch files.
-Filters out all apex and vendor override administrative overlay mounts
-uninteresting to the test" ]
-skip_unrelated_mounts() {
- grep -v "^overlay.* /\(apex\|bionic\|system\|vendor\)/[^ ]" |
- grep -v "[%] /\(data_mirror\|apex\|bionic\|system\|vendor\)/[^ ][^ ]*$"
+Returns: true if wiped anything" ]
+surgically_wipe_overlayfs() {
+ local wiped_anything=false
+ for d in ${OVERLAYFS_BACKING}; do
+ if adb_su test -d "/${d}/overlay" </dev/null; then
+ LOG INFO "/${d}/overlay is setup, surgically wiping"
+ adb_su rm -rf "/${d}/overlay" </dev/null
+ wiped_anything=true
+ fi
+ done
+ ${wiped_anything}
+}
+
+[ "USAGE: is_overlayfs_mounted [mountpoint]
+
+Diagnostic output of overlayfs df lines to stderr.
+
+Returns: true if overlayfs is mounted [on mountpoint]" ]
+is_overlayfs_mounted() {
+ local df_output=$(adb_su df -k </dev/null)
+ local df_header_line=$(echo "${df_output}" | head -1)
+ # KISS (we do not support sub-mounts for system partitions currently)
+ local overlay_mounts=$(echo "${df_output}" | tail +2 |
+ grep -vE "[%] /(apex|system|vendor)/[^ ]+$" |
+ awk '$1 == "overlay" || $6 == "/mnt/scratch"')
+ if ! echo "${overlay_mounts}" | grep -q '^overlay '; then
+ return 1
+ fi >/dev/null 2>/dev/null
+ ( echo "${df_header_line}"
+ echo "${overlay_mounts}"
+ ) >&2
+ if [ "${#}" -gt 0 ] && ! ( echo "${overlay_mounts}" | grep -qE " ${1}\$" ); then
+ return 1
+ fi >/dev/null 2>/dev/null
+ return 0
}
##
@@ -798,7 +785,7 @@
--longoptions wait-adb:,wait-fastboot:
--longoptions wait-screen,wait-display
--longoptions no-wait-screen,no-wait-display
- --longoptions gtest_print_time,print-time
+ --longoptions gtest_print_time,print-time,no-print-time
--"
if [ "Darwin" = "${HOSTOS}" ]; then
GETOPTS=
@@ -813,12 +800,11 @@
s/--wait-adb/ /g
s/--wait-fastboot/ /g'`"
fi
-OPTIONS=`getopt ${GETOPTS} "?a:cCdDf:hs:t" ${*}` ||
+OPTIONS=`getopt ${GETOPTS} "?a:cCdDf:hs:tT" ${*}` ||
( echo "${USAGE}" >&2 ; false ) ||
die "getopt failure"
set -- ${OPTIONS}
-color=false
while [ ${#} -gt 0 ]; do
case ${1} in
-h | --help | -\?)
@@ -844,6 +830,9 @@
-t | --print-time | --gtest_print_time)
print_time=true
;;
+ -T | --no-print-time)
+ print_time=false
+ ;;
-a | --wait-adb)
ADB_WAIT=${2}
shift
@@ -866,42 +855,68 @@
esac
shift
done
-if ! ${color}; then
- GREEN=""
- RED=""
- YELLOW=""
- BLUE=""
- NORMAL=""
+
+if ${color}; then
+ RED="${ESCAPE}[31m"
+ GREEN="${ESCAPE}[32m"
+ YELLOW="${ESCAPE}[33m"
+ BLUE="${ESCAPE}[34m"
+ NORMAL="${ESCAPE}[0m"
fi
-# Set an ERR trap handler to report any unhandled error
-trap 'die "line ${LINENO}: unhandled error"' ERR
+TMPDIR=
+
+exit_handler() {
+ [ -n "${TMPDIR}" ] && rm -rf "${TMPDIR}"
+ local err=0
+ if ! restore; then
+ LOG ERROR "restore failed"
+ err=1
+ fi >&2
+ test_duration || true
+ if [ "${err}" != 0 ]; then
+ exit "${err}"
+ fi
+}
+trap 'exit_handler' EXIT
+
+TMPDIR=$(mktemp -d)
if ${print_time}; then
- echo "${BLUE}[ INFO ]${NORMAL}" start `date` >&2
+ LOG INFO "start $(date)"
fi
+if [ -z "${ANDROID_SERIAL}" ]; then
+ inAdb || die "no device or more than one device in adb mode"
+ D=$(adb devices | awk '$2 == "device" { print $1; exit }')
+ [ -n "${D}" ] || die "cannot get device serial"
+ ANDROID_SERIAL="${D}"
+fi
+export ANDROID_SERIAL
+
inFastboot && die "device in fastboot mode"
inRecovery && die "device in recovery mode"
if ! inAdb; then
- echo "${YELLOW}[ WARNING ]${NORMAL} device not in adb mode" >&2
+ LOG WARNING "device not in adb mode"
adb_wait ${ADB_WAIT}
fi
inAdb || die "specified device not in adb mode"
-isDebuggable || die "device not a debug build"
+[ "1" = "$(get_property ro.debuggable)" ] || die "device not a debug build"
+[ "orange" = "$(get_property ro.boot.verifiedbootstate)" ] || die "device not bootloader unlocked"
+
+################################################################################
+# Collect characteristics of the device and report.
+can_restore_verity=true
+if [ "2" != "$(get_property partition.system.verified)" ]; then
+ LOG WARNING "device might not support verity"
+ can_restore_verity=false
+fi
enforcing=true
if ! adb_su getenforce </dev/null | grep 'Enforcing' >/dev/null; then
- echo "${YELLOW}[ WARNING ]${NORMAL} device does not have sepolicy in enforcing mode" >&2
+ LOG WARNING "device does not have sepolicy in enforcing mode"
enforcing=false
fi
-# Do something.
-
-# Collect characteristics of the device and report.
-
-D=`get_property ro.serialno`
-[ -n "${D}" ] || D=`get_property ro.boot.serialno`
-[ -z "${D}" -o -n "${ANDROID_SERIAL}" ] || ANDROID_SERIAL=${D}
USB_SERIAL=
if [ -n "${ANDROID_SERIAL}" -a "Darwin" != "${HOSTOS}" ]; then
USB_SERIAL="`find /sys/devices -name serial | grep usb || true`"
@@ -915,35 +930,47 @@
USB_ADDRESS=${USB_SERIAL%/serial}
USB_ADDRESS=usb${USB_ADDRESS##*/}
fi
-[ -z "${ANDROID_SERIAL}${USB_ADDRESS}" ] ||
- USB_DEVICE=`usb_devnum`
- echo "${BLUE}[ INFO ]${NORMAL}" ${ANDROID_SERIAL} ${USB_ADDRESS} ${USB_DEVICE} >&2
+USB_DEVICE=$(usb_devnum)
+[ -z "${ANDROID_SERIAL}${USB_ADDRESS}${USB_DEVICE}" ] ||
+ LOG INFO "${ANDROID_SERIAL} ${USB_ADDRESS} ${USB_DEVICE}"
BUILD_DESCRIPTION=`get_property ro.build.description`
[ -z "${BUILD_DESCRIPTION}" ] ||
- echo "${BLUE}[ INFO ]${NORMAL} ${BUILD_DESCRIPTION}" >&2
+ LOG INFO "${BUILD_DESCRIPTION}"
KERNEL_VERSION="`adb_su cat /proc/version </dev/null 2>/dev/null`"
[ -z "${KERNEL_VERSION}" ] ||
- echo "${BLUE}[ INFO ]${NORMAL} ${KERNEL_VERSION}" >&2
+ LOG INFO "${KERNEL_VERSION}"
ACTIVE_SLOT=`get_active_slot`
[ -z "${ACTIVE_SLOT}" ] ||
- echo "${BLUE}[ INFO ]${NORMAL} active slot is ${ACTIVE_SLOT}" >&2
+ LOG INFO "active slot is ${ACTIVE_SLOT}"
# Acquire list of system partitions
+FSTAB_SUFFIXES=(
+ "$(get_property ro.boot.fstab_suffix)"
+ "$(get_property ro.boot.hardware)"
+ "$(get_property ro.boot.hardware.platform)"
+)
+FSTAB_PATTERN='\.('"$(join_with "|" "${FSTAB_SUFFIXES[@]}")"')$'
+FSTAB_FILE=$(adb_su ls -1 '/vendor/etc/fstab*' </dev/null |
+ grep -E "${FSTAB_PATTERN}" |
+ head -1)
# KISS (assume system partition mount point is "/<partition name>")
-PARTITIONS=`adb_su cat /vendor/etc/fstab* </dev/null |
- grep -v "^[#${SPACE}${TAB}]" |
- skip_administrative_mounts |
- awk '$1 ~ /^[^\/]+$/ && "/"$1 == $2 && $4 ~ /(^|,)ro(,|$)/ { print $1 }' |
- sort -u |
- tr '\n' ' '`
-PARTITIONS="${PARTITIONS:-system vendor}"
+if [ -n "${FSTAB_FILE}" ]; then
+ PARTITIONS=$(adb_su grep -v "^[#${SPACE}${TAB}]" "${FSTAB_FILE}" |
+ skip_administrative_mounts |
+ awk '$1 ~ /^[^\/]+$/ && "/"$1 == $2 && $4 ~ /(^|,)ro(,|$)/ { print $1 }' |
+ sort -u |
+ tr '\n' ' ')
+else
+ PARTITIONS="system vendor"
+fi
+
# KISS (we do not support sub-mounts for system partitions currently)
-MOUNTS="`for i in ${PARTITIONS}; do
- echo /${i}
- done |
- tr '\n' ' '`"
-echo "${BLUE}[ INFO ]${NORMAL} System Partitions list: ${PARTITIONS}" >&2
+# Ensure /system and /vendor mountpoints are in mounts list
+MOUNTS=$(for i in system vendor ${PARTITIONS}; do
+ echo "/${i}"
+ done | sort -u | tr '\n' ' ')
+LOG INFO "System Partitions list: ${PARTITIONS}"
# Report existing partition sizes
adb_sh ls -l /dev/block/by-name/ /dev/block/mapper/ </dev/null 2>/dev/null |
@@ -964,408 +991,393 @@
;;
esac
size=`adb_su cat /sys/block/${device}/size 2>/dev/null </dev/null` &&
- size=`expr ${size} / 2` &&
- echo "${BLUE}[ INFO ]${NORMAL} partition ${name} device ${device} size ${size}K" >&2
+ size=$(( ${size} / 2 )) &&
+ LOG INFO "partition ${name} device ${device} size ${size}K"
done
+restore() {
+ LOG INFO "restoring device"
+ inFastboot &&
+ fastboot reboot &&
+ adb_wait "${ADB_WAIT}" ||
+ true
+ if ! inAdb; then
+ LOG ERROR "expect adb device"
+ return 1
+ fi
+ adb_root || true
+ local reboot=false
+ if surgically_wipe_overlayfs; then
+ reboot=true
+ fi
+ if ${can_restore_verity}; then
+ if ! adb enable-verity; then
+ LOG ERROR "adb enable-verity"
+ return 1
+ fi
+ LOG INFO "restored verity"
+ reboot=true
+ fi >&2
+ if ${reboot}; then
+ adb_reboot
+ fi
+}
+
# If reboot too soon after fresh flash, could trip device update failure logic
if ${screen_wait}; then
- echo "${YELLOW}[ WARNING ]${NORMAL} waiting for screen to come up. Consider --no-wait-screen option" >&2
+ LOG INFO "waiting for screen to come up. Consider --no-wait-screen option"
fi
if ! wait_for_screen && ${screen_wait}; then
screen_wait=false
- echo "${YELLOW}[ WARNING ]${NORMAL} not healthy, no launcher, skipping wait for screen" >&2
+ LOG WARNING "not healthy, no launcher, skipping wait for screen"
fi
-# Can we test remount -R command?
-OVERLAYFS_BACKING="cache mnt/scratch"
-overlayfs_supported=true
-if [ "orange" != "`get_property ro.boot.verifiedbootstate`" -o \
- "2" != "`get_property partition.system.verified`" ]; then
- restore() {
- ${overlayfs_supported} || return 0
- inFastboot &&
- fastboot reboot &&
- adb_wait ${ADB_WAIT} ||
- true
- if inAdb; then
- reboot=false
- for d in ${OVERLAYFS_BACKING}; do
- if adb_test -d /${d}/overlay; then
- adb_su rm -rf /${d}/overlay </dev/null
- reboot=true
- fi
- done
- if ${reboot}; then
- adb_reboot &&
- adb_wait ${ADB_WAIT}
- fi
- fi
- }
-else
- restore() {
- ${overlayfs_supported} || return 0
- inFastboot &&
- fastboot reboot &&
- adb_wait ${ADB_WAIT} ||
- true
- inAdb &&
- adb_root &&
- adb enable-verity >/dev/null 2>/dev/null &&
- adb_reboot &&
- adb_wait ${ADB_WAIT}
- }
-
- echo "${GREEN}[ RUN ]${NORMAL} Testing adb shell su root remount -R command" >&2
-
- avc_check
- T=`adb_date`
- adb_su remount -R system </dev/null
- err=${?}
- if [ "${err}" != 0 ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} adb shell su root remount -R system = ${err}, likely did not reboot!" >&2
- T="-t ${T}"
- else
- # Rebooted, logcat will be meaningless, and last logcat will likely be clear
- T=""
- fi
- sleep 2
- adb_wait ${ADB_WAIT} ||
- die "waiting for device after adb shell su root remount -R system `usb_status`"
- if [ "orange" != "`get_property ro.boot.verifiedbootstate`" -o \
- "2" = "`get_property partition.system.verified`" ]; then
- die ${T} "remount -R command failed
-${INDENT}ro.boot.verifiedbootstate=\"`get_property ro.boot.verifiedbootstate`\"
-${INDENT}partition.system.verified=\"`get_property partition.system.verified`\""
- fi
-
- echo "${GREEN}[ OK ]${NORMAL} adb shell su root remount -R command" >&2
-fi
-
-echo "${GREEN}[ RUN ]${NORMAL} Testing kernel support for overlayfs" >&2
+################################################################################
+LOG RUN "Checking current overlayfs status"
adb_wait || die "wait for device failed"
-adb_root ||
- die "initial setup"
-
-adb_test -d /sys/module/overlay ||
- adb_sh grep "nodev${TAB}overlay" /proc/filesystems </dev/null >/dev/null 2>/dev/null &&
- echo "${GREEN}[ OK ]${NORMAL} overlay module present" >&2 ||
- (
- echo "${YELLOW}[ WARNING ]${NORMAL} overlay module not present" >&2 &&
- false
- ) ||
- overlayfs_supported=false
-if ${overlayfs_supported}; then
- adb_test -f /sys/module/overlay/parameters/override_creds &&
- echo "${GREEN}[ OK ]${NORMAL} overlay module supports override_creds" >&2 ||
- case `adb_sh uname -r </dev/null` in
- 4.[456789].* | 4.[1-9][0-9]* | [56789].*)
- echo "${YELLOW}[ WARNING ]${NORMAL} overlay module does not support override_creds" >&2 &&
- overlayfs_supported=false
- ;;
- *)
- echo "${GREEN}[ OK ]${NORMAL} overlay module uses caller's creds" >&2
- ;;
- esac
-fi
-
-echo "${GREEN}[ RUN ]${NORMAL} Checking current overlayfs status" >&2
+adb_root || die "adb root failed"
# We can not universally use adb enable-verity to ensure device is
# in a overlayfs disabled state since it can prevent reboot on
# devices that remount the physical content rather than overlayfs.
# So lets do our best to surgically wipe the overlayfs state without
# having to go through enable-verity transition.
-reboot=false
-for d in ${OVERLAYFS_BACKING}; do
- if adb_test -d /${d}/overlay; then
- echo "${YELLOW}[ WARNING ]${NORMAL} /${d}/overlay is setup, surgically wiping" >&2
- adb_sh rm -rf /${d}/overlay </dev/null ||
- die "/${d}/overlay wipe"
- reboot=true
- fi
-done
-if ${reboot}; then
- echo "${YELLOW}[ WARNING ]${NORMAL} rebooting before test" >&2
- adb_reboot &&
- adb_wait ${ADB_WAIT} ||
- die "lost device after reboot after wipe `usb_status`"
+if surgically_wipe_overlayfs; then
+ LOG WARNING "rebooting before test"
+ adb_reboot ||
+ die "lost device after reboot after overlay wipe $(usb_status)"
adb_root ||
die "lost device after elevation to root after wipe `usb_status`"
fi
-D=`adb_sh df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | grep -v " /vendor/..*$" | grep "^overlay "` &&
- echo "${H}" &&
- echo "${D}" &&
- echo "${YELLOW}[ WARNING ]${NORMAL} overlays present before setup" >&2 ||
- echo "${GREEN}[ OK ]${NORMAL} no overlay present before setup" >&2
+is_overlayfs_mounted &&
+ die "overlay takeover unexpected at this phase"
+
overlayfs_needed=true
-D=`adb_sh cat /proc/mounts </dev/null |
- skip_administrative_mounts data`
-if echo "${D}" | grep /dev/root >/dev/null; then
- D=`echo / /
- echo "${D}" | grep -v /dev/root`
-fi
-D=`echo "${D}" | cut -s -d' ' -f1 | sort -u`
+data_device=$(adb_sh awk '$2 == "/data" { print $1; exit }' /proc/mounts)
+D=$(adb_sh grep " ro," /proc/mounts </dev/null |
+ grep -v "^${data_device}" |
+ skip_administrative_mounts |
+ awk '{ print $1 }' |
+ sed 's|/dev/root|/|' |
+ sort -u)
no_dedupe=true
for d in ${D}; do
adb_sh tune2fs -l $d </dev/null 2>&1 |
grep "Filesystem features:.*shared_blocks" >/dev/null &&
no_dedupe=false
done
-D=`adb_sh df -k ${D} </dev/null |
- sed 's@\([%] /\)\(apex\|bionic\|system\|vendor\)/[^ ][^ ]*$@\1@'`
-echo "${D}"
+D=$(adb_sh df -k ${D} </dev/null)
+echo "${D}" >&2
if [ X"${D}" = X"${D##* 100[%] }" ] && ${no_dedupe} ; then
overlayfs_needed=false
# if device does not need overlays, then adb enable-verity will brick device
- restore() {
- ${overlayfs_supported} || return 0
- inFastboot &&
- fastboot reboot &&
- adb_wait ${ADB_WAIT}
- inAdb &&
- adb_wait ${ADB_WAIT}
- }
-elif ! ${overlayfs_supported}; then
- die "need overlayfs, but do not have it"
+ can_restore_verity=false
fi
+LOG OK "no overlay present before setup"
-echo "${GREEN}[ RUN ]${NORMAL} disable verity" >&2
+################################################################################
+# Precondition is overlayfs *not* setup.
+LOG RUN "Testing adb disable-verity -R"
-T=`adb_date`
-H=`adb disable-verity 2>&1`
-err=${?}
-L=
-D="${H%?Now reboot your device for settings to take effect*}"
-if [ X"${D}" != X"${D##*[Uu]sing overlayfs}" ]; then
- echo "${GREEN}[ OK ]${NORMAL} using overlayfs" >&2
+T=$(adb_date)
+adb_su disable-verity -R >&2 ||
+ die -t "${T}" "disable-verity -R failed"
+sleep 2
+adb_wait "${ADB_WAIT}" ||
+ die "lost device after adb disable-verity -R $(usb_status)"
+
+if [ "2" = "$(get_property partition.system.verified)" ]; then
+ LOG ERROR "partition.system.verified=$(get_property partition.system.verified)"
+ die "verity not disabled after adb disable-verity -R"
fi
-if [ ${err} != 0 ]; then
- echo "${H}"
- ( [ -n "${L}" ] && echo "${L}" && false ) ||
- die -t "${T}" "disable-verity"
+if ${overlayfs_needed}; then
+ is_overlayfs_mounted ||
+ die -d "no overlay takeover after adb disable-verity -R"
+ LOG OK "overlay takeover after adb disable-verity -R"
fi
-rebooted=false
-if [ X"${D}" != X"${H}" ]; then
- echo "${H}"
- if [ X"${D}" != X"${D##*setup failed}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} overlayfs setup whined" >&2
- fi
- D=`adb_sh df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | grep -v " /vendor/..*$" | grep "^overlay " || true` &&
- [ -z "${D}" ] ||
- ( echo "${H}" && echo "${D}" && false ) ||
- die -t ${T} "overlay takeover unexpected at this phase"
- echo "${GREEN}[ INFO ]${NORMAL} rebooting as requested" >&2
- L=`adb_logcat -b all -v nsec -t ${T} 2>&1`
- adb_reboot &&
- adb_wait ${ADB_WAIT} ||
- die "lost device after reboot requested `usb_status`"
- adb_root ||
- die "lost device after elevation to root `usb_status`"
- rebooted=true
- # re-disable verity to see the setup remarks expected
- T=`adb_date`
- H=`adb disable-verity 2>&1`
- err=${?}
- D="${H%?Now reboot your device for settings to take effect*}"
- if [ X"${D}" != X"${D##*[Uu]sing overlayfs}" ]; then
- echo "${GREEN}[ OK ]${NORMAL} using overlayfs" >&2
- fi
- if [ ${err} != 0 ]; then
- T=
- fi
-fi
-if ${overlayfs_supported} && ${overlayfs_needed} && [ X"${D}" != X"${D##*setup failed}" ]; then
- echo "${D}"
- ( [ -n "${L}" ] && echo "${L}" && false ) ||
- die -t "${T}" "setup for overlay"
-fi
-if [ X"${D}" != X"${D##*Successfully disabled verity}" ]; then
- echo "${H}"
- D=`adb_sh df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | grep -v " /vendor/..*$" | grep "^overlay " || true` &&
- [ -z "${D}" ] ||
- ( echo "${H}" && echo "${D}" && false ) ||
- ( [ -n "${L}" ] && echo "${L}" && false ) ||
- die -t "${T}" "overlay takeover unexpected"
- [ -n "${L}" ] && echo "${L}"
- die -t "${T}" "unexpected report of verity being disabled a second time"
-elif ${rebooted}; then
- echo "${GREEN}[ OK ]${NORMAL} verity already disabled" >&2
+LOG OK "adb disable-verity -R"
+
+################################################################################
+LOG RUN "Checking kernel has overlayfs required patches"
+
+adb_root || die "adb root"
+if adb_test -d /sys/module/overlay ||
+ adb_sh grep -q "nodev${TAB}overlay" /proc/filesystems; then
+ LOG OK "overlay module present"
else
- echo "${YELLOW}[ WARNING ]${NORMAL} verity already disabled" >&2
+ LOG INFO "overlay module not present"
+fi
+if is_overlayfs_mounted 2>/dev/null; then
+ if adb_test -f /sys/module/overlay/parameters/override_creds; then
+ LOG OK "overlay module supports override_creds"
+ else
+ case "$(adb_sh uname -r </dev/null)" in
+ 4.[456789].* | 4.[1-9][0-9]* | [56789].*)
+ die "overlay module does not support override_creds"
+ ;;
+ *)
+ LOG OK "overlay module uses caller's creds"
+ ;;
+ esac
+ fi
fi
-echo "${GREEN}[ RUN ]${NORMAL} remount" >&2
+################################################################################
+# Precondition is a verity-disabled device with overlayfs already setup.
+LOG RUN "Testing raw remount commands"
+
+adb_sh grep -qE " (/system|/) [^ ]* rw," /proc/mounts </dev/null &&
+ die "/system is not RO"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null &&
+ die "/vendor is not RO"
+
+T=$(adb_date)
+adb_su mount -o remount,rw /vendor ||
+ die -t "${T}" "mount -o remount,rw /vendor"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null ||
+ die "/vendor is not RW after mount -o remount,rw"
+LOG OK "mount -o remount,rw"
+
+T=$(adb_date)
+adb_su mount -o remount,ro /vendor ||
+ die -t "${T}" "mount -o remount,ro /vendor"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null &&
+ die "/vendor is not RO after mount -o remount,ro"
+LOG OK "mount -o remount,ro"
+
+T=$(adb_date)
+adb_su remount vendor >&2 ||
+ die -t "${T}" "adb remount vendor"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null ||
+ die -t "${T}" "/vendor is not RW after adb remount vendor"
+adb_sh grep -qE " (/system|/) [^ ]* rw," /proc/mounts </dev/null &&
+ die -t "${T}" "/system is not RO after adb remount vendor"
+LOG OK "adb remount vendor"
+
+LOG INFO "Restoring device RO state and destroying overlayfs"
+T=$(adb_date)
+adb_su mount -o remount,ro /vendor ||
+ die -t "${T}" "mount -o remount,ro /vendor"
+if surgically_wipe_overlayfs; then
+ adb_reboot ||
+ die "lost device after reboot after overlay wipe $(usb_status)"
+fi
+is_overlayfs_mounted &&
+ die "overlay takeover unexpected at this phase"
+
+################################################################################
+# Precondition is a verity-disabled device with overlayfs *not* setup.
+LOG RUN "Testing adb remount performs overlayfs setup from scratch"
+
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null &&
+ die "/vendor is not RO"
+T=$(adb_date)
+adb_su remount vendor >&2 ||
+ die -t "${T}" "adb remount vendor from scratch"
+if ${overlayfs_needed}; then
+ is_overlayfs_mounted /vendor ||
+ die -t "${T}" "expected overlay takeover /vendor"
+ is_overlayfs_mounted /system 2>/dev/null &&
+ die -t "${T}" "unexpected overlay takeover /system"
+fi
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null ||
+ die -t "${T}" "/vendor is not RW after adb remount vendor"
+adb_sh grep -qE " (/system|/) [^ ]* rw," /proc/mounts </dev/null &&
+ die -t "${T}" "/system is not RO after adb remount vendor"
+LOG OK "adb remount from scratch"
+
+################################################################################
+# Precondition is overlayfs partially setup by previous test.
+LOG RUN "Testing adb remount -R"
+
+T=$(adb_date)
+adb_su remount -R </dev/null >&2 ||
+ die -t "${T}" "adb remount -R failed"
+sleep 2
+adb_wait "${ADB_WAIT}" ||
+ die "lost device after adb remount -R $(usb_status)"
+
+if [ "2" = "$(get_property partition.system.verified)" ]; then
+ LOG ERROR "partition.system.verified=$(get_property partition.system.verified)"
+ die "verity not disabled after adb remount -R"
+fi
+if ${overlayfs_needed}; then
+ is_overlayfs_mounted /system ||
+ die -d "expected overlay takeover /system"
+ is_overlayfs_mounted /vendor 2>/dev/null ||
+ die -d "expected overlay takeover /vendor"
+ LOG OK "overlay takeover after adb remount -R"
+fi
+LOG OK "adb remount -R"
+
+# For devices using overlayfs, remount -R should reboot after overlayfs setup.
+# For legacy device, manual reboot to ensure device clean state.
+if ! ${overlayfs_needed}; then
+ LOG WARNING "Reboot to RO (device doesn't use overlayfs)"
+ adb_reboot ||
+ die "lost device after reboot to RO $(usb_status)"
+fi
+
+################################################################################
+# Precondition is a verity-disabled device with overlayfs already setup.
+LOG RUN "Testing adb remount RW"
# Feed log with selinux denials as baseline before overlays
adb_unroot
adb_sh find ${MOUNTS} </dev/null >/dev/null 2>/dev/null || true
adb_root
-D=`adb remount 2>&1`
-ret=${?}
-echo "${D}"
-[ ${ret} != 0 ] ||
- [ X"${D}" = X"${D##*remount failed}" ] ||
- ( [ -n "${L}" ] && echo "${L}" && false ) ||
- die -t "${T}" "adb remount failed"
-D=`adb_sh df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | skip_unrelated_mounts | grep "^overlay "` ||
- ( [ -n "${L}" ] && echo "${L}" && false )
-ret=${?}
-uses_dynamic_scratch=false
-scratch_partition=
-virtual_ab=`get_property ro.virtual_ab.enabled`
+adb_sh grep -qE " (/system|/) [^ ]* rw," /proc/mounts </dev/null &&
+ die "/system is not RO"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null &&
+ die "/vendor is not RO"
+
+T=$(adb_date)
+adb remount >&2 ||
+ die -t "${T}" "adb remount"
+adb_sh grep -qE " (/system|/) [^ ]* rw," /proc/mounts </dev/null ||
+ die -t "${T}" "/system is not RW"
+adb_sh grep -q " /vendor [^ ]* rw," /proc/mounts </dev/null ||
+ die -t "${T}" "/vendor is not RW"
+
+scratch_on_super=false
if ${overlayfs_needed}; then
- if [ ${ret} != 0 ]; then
- die -t ${T} "overlay takeover failed"
+ is_overlayfs_mounted /system ||
+ die -t "${T}" "expected overlay to takeover /system after remount"
+
+ # Collect information about the scratch device if we have one
+ M=$(adb_sh cat /proc/mounts </dev/null |
+ awk '$2 == "/mnt/scratch" { print $1, $3; exit }')
+ if [ -n "${M}" ]; then
+ scratch_device=$(echo "${M}" | awk '{ print $1 }')
+ scratch_filesystem=$(echo "${M}" | awk '{ print $2 }')
+ scratch_size=$(adb_sh df -k "${scratch_device}" </dev/null |
+ tail +2 | head -1 | awk '{ print $2 }')
+ [ -z "${scratch_size}" ] && die "cannot get size of scratch device (${scratch_device})"
+
+ # Detect scratch partition backed by super?
+ for b in "/dev/block/by-name/super"{,_${ACTIVE_SLOT}}; do
+ if adb_test -e "${b}"; then
+ device=$(adb_su realpath "${b}")
+ D=$(adb_su stat -c '0x%t 0x%T' "${device}")
+ major=$(echo "${D}" | awk '{ print $1 }')
+ minor=$(echo "${D}" | awk '{ print $2 }')
+ super_devt=$(( major )):$(( minor ))
+ if adb_su dmctl table scratch | tail +2 | grep -q -w "${super_devt}"; then
+ scratch_on_super=true
+ fi
+ break
+ fi
+ done
+
+ if ${scratch_on_super}; then
+ LOG INFO "using dynamic scratch partition on super"
+ else
+ LOG INFO "using dynamic scratch partition on /data (VAB device)"
+ fi
+ LOG INFO "scratch device ${scratch_device} filesystem ${scratch_filesystem} size ${scratch_size}KiB"
+ else
+ LOG INFO "cannot find any scratch device mounted on /mnt/scratch, using scratch on /cache"
fi
- echo "${D}" | grep "^overlay .* /system\$" >/dev/null ||
- echo "${YELLOW}[ WARNING ]${NORMAL} overlay takeover not complete" >&2
- if [ -z "${virtual_ab}" ]; then
- scratch_partition=scratch
- fi
- if echo "${D}" | grep " /mnt/scratch" >/dev/null; then
- echo "${BLUE}[ INFO ]${NORMAL} using ${scratch_partition} dynamic partition for overrides" >&2
- fi
- M=`adb_sh cat /proc/mounts </dev/null |
- sed -n 's@\([^ ]*\) /mnt/scratch \([^ ]*\) .*@\2 on \1@p'`
- [ -n "${M}" ] &&
- echo "${BLUE}[ INFO ]${NORMAL} scratch filesystem ${M}"
- uses_dynamic_scratch=true
- if [ "${M}" != "${M##*/dev/block/by-name/}" ]; then
- uses_dynamic_scratch=false
- scratch_partition="${M##*/dev/block/by-name/}"
- fi
- scratch_size=`adb_sh df -k /mnt/scratch </dev/null 2>/dev/null |
- while read device kblocks used available use mounted on; do
- if [ "/mnt/scratch" = "\${mounted}" ]; then
- echo \${kblocks}
- fi
- done` &&
- [ -n "${scratch_size}" ] ||
- die "scratch size"
- echo "${BLUE}[ INFO ]${NORMAL} scratch size ${scratch_size}KB" >&2
+
for d in ${OVERLAYFS_BACKING}; do
if adb_test -d /${d}/overlay/system/upper; then
- echo "${BLUE}[ INFO ]${NORMAL} /${d}/overlay is setup" >&2
+ LOG INFO "/${d}/overlay is setup"
fi
done
- echo "${H}" &&
- echo "${D}" &&
- echo "${D}" | grep "^overlay .* /system\$" >/dev/null ||
- die "overlay takeover after remount"
- !(adb_sh grep "^overlay " /proc/mounts </dev/null |
- skip_unrelated_mounts |
- grep " overlay ro,") ||
- die "remount overlayfs missed a spot (ro)"
- !(adb_sh grep -v noatime /proc/mounts </dev/null |
- skip_administrative_mounts data |
- skip_unrelated_mounts |
- grep -v ' ro,') ||
+ data_device=$(adb_sh awk '$2 == "/data" { print $1; exit }' /proc/mounts)
+ # KISS (we do not support sub-mounts for system partitions currently)
+ adb_sh grep "^overlay " /proc/mounts </dev/null |
+ grep -vE "^overlay.* /(apex|system|vendor)/[^ ]" |
+ grep " overlay ro," &&
+ die "expected overlay to be RW after remount"
+ adb_sh grep -v noatime /proc/mounts </dev/null |
+ grep -v "^${data_device}" |
+ skip_administrative_mounts |
+ grep -v ' ro,' &&
die "mounts are not noatime"
- D=`adb_sh grep " rw," /proc/mounts </dev/null |
- skip_administrative_mounts data`
- if echo "${D}" | grep /dev/root >/dev/null; then
- D=`echo / /
- echo "${D}" | grep -v /dev/root`
- fi
- D=`echo "${D}" | cut -s -d' ' -f1 | sort -u`
- bad_rw=false
+
+ D=$(adb_sh grep " rw," /proc/mounts </dev/null |
+ grep -v "^${data_device}" |
+ skip_administrative_mounts |
+ awk '{ print $1 }' |
+ sed 's|/dev/root|/|' |
+ sort -u)
+ if [ -n "${D}" ]; then
+ adb_sh df -k ${D} </dev/null |
+ sed -e 's/^Filesystem /Filesystem (rw) /'
+ fi >&2
for d in ${D}; do
- if adb_sh tune2fs -l $d </dev/null 2>&1 |
- grep "Filesystem features:.*shared_blocks" >/dev/null; then
- bad_rw=true
- else
- d=`adb_sh df -k ${D} </dev/null |
- sed 's@\([%] /\)\(apex\|bionic\|system\|vendor\)/[^ ][^ ]*$@\1@'`
- [ X"${d}" = X"${d##* 100[%] }" ] ||
- bad_rw=true
+ if adb_sh tune2fs -l "${d}" </dev/null 2>&1 | grep -q "Filesystem features:.*shared_blocks" ||
+ adb_sh df -k "${d}" | grep -q " 100% "; then
+ die "remount overlayfs missed a spot (rw)"
fi
done
- [ -z "${D}" ] ||
- D=`adb_sh df -k ${D} </dev/null |
- sed -e 's@\([%] /\)\(apex\|bionic\|system\|vendor\)/[^ ][^ ]*$@\1@' \
- -e 's/^Filesystem /Filesystem (rw) /'`
- [ -z "${D}" ] || echo "${D}"
- ${bad_rw} && die "remount overlayfs missed a spot (rw)"
else
- if [ ${ret} = 0 ]; then
- die -t ${T} "unexpected overlay takeover"
- fi
+ is_overlayfs_mounted && die -t "${T}" "unexpected overlay takeover"
fi
-# Check something.
+LOG OK "adb remount RW"
-echo "${GREEN}[ RUN ]${NORMAL} push content to ${MOUNTS}" >&2
+################################################################################
+LOG RUN "push content to ${MOUNTS}"
+adb_root || die "adb root"
A="Hello World! $(date)"
-for i in ${MOUNTS}; do
+for i in ${MOUNTS} /system/priv-app; do
echo "${A}" | adb_sh cat - ">${i}/hello"
B="`adb_cat ${i}/hello`" ||
die "${i#/} hello"
check_eq "${A}" "${B}" ${i} before reboot
done
-echo "${A}" | adb_sh cat - ">/system/priv-app/hello"
-B="`adb_cat /system/priv-app/hello`" ||
- die "system priv-app hello"
-check_eq "${A}" "${B}" /system/priv-app before reboot
SYSTEM_INO=`adb_sh stat --format=%i /system/hello </dev/null`
VENDOR_INO=`adb_sh stat --format=%i /vendor/hello </dev/null`
check_ne "${SYSTEM_INO}" "${VENDOR_INO}" vendor and system inode
-# Download libc.so, append some garbage, push back, and check if the file
-# is updated.
-tempdir="`mktemp -d`"
-cleanup() {
- rm -rf ${tempdir}
-}
-adb pull /system/lib/bootstrap/libc.so ${tempdir} >/dev/null ||
- die "pull libc.so from device"
-garbage="D105225BBFCB1EB8AB8EBDB7094646F0"
-echo "${garbage}" >> ${tempdir}/libc.so
-adb push ${tempdir}/libc.so /system/lib/bootstrap/libc.so >/dev/null ||
- die "push libc.so to device"
-adb pull /system/lib/bootstrap/libc.so ${tempdir}/libc.so.fromdevice >/dev/null ||
- die "pull libc.so from device"
-diff ${tempdir}/libc.so ${tempdir}/libc.so.fromdevice > /dev/null ||
- die "libc.so differ"
+# Edit build.prop and check if properties are updated.
+system_build_prop_original="${TMPDIR}/system_build.prop.original"
+system_build_prop_modified="${TMPDIR}/system_build.prop.modified"
+system_build_prop_fromdevice="${TMPDIR}/system_build.prop.fromdevice"
+adb pull /system/build.prop "${system_build_prop_original}" >/dev/null ||
+ die "adb pull /system/build.prop"
+# Prepend with extra newline in case the original file doesn't end with a newline.
+cat "${system_build_prop_original}" - <<EOF >"${system_build_prop_modified}"
-echo "${GREEN}[ RUN ]${NORMAL} reboot to confirm content persistent" >&2
+# Properties added by adb remount test
+test.adb.remount.system.build.prop=true
+EOF
+adb push "${system_build_prop_modified}" /system/build.prop >/dev/null ||
+ die "adb push /system/build.prop"
+adb pull /system/build.prop "${system_build_prop_fromdevice}" >/dev/null ||
+ die "adb pull /system/build.prop"
+diff "${system_build_prop_modified}" "${system_build_prop_fromdevice}" >/dev/null ||
+ die "/system/build.prop differs from pushed content"
+
+################################################################################
+LOG RUN "reboot to confirm content persistent"
fixup_from_recovery() {
inRecovery || return 1
- echo "${YELLOW}[ ERROR ]${NORMAL} Device in recovery" >&2
+ LOG ERROR "Device in recovery"
adb reboot </dev/null
adb_wait ${ADB_WAIT}
}
-adb_reboot &&
- adb_wait ${ADB_WAIT} ||
+adb_reboot ||
fixup_from_recovery ||
die "reboot after override content added failed `usb_status`"
if ${overlayfs_needed}; then
- D=`adb_su df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | grep -v " /vendor/..*$" | grep "^overlay "` ||
- ( echo "${L}" && false ) ||
+ is_overlayfs_mounted ||
die -d "overlay takeover failed after reboot"
adb_su sed -n '1,/overlay \/system/p' /proc/mounts </dev/null |
skip_administrative_mounts |
grep -v ' \(erofs\|squashfs\|ext4\|f2fs\|vfat\) ' &&
- echo "${YELLOW}[ WARNING ]${NORMAL} overlay takeover after first stage init" >&2 ||
- echo "${GREEN}[ OK ]${NORMAL} overlay takeover in first stage init" >&2
+ LOG WARNING "overlay takeover after first stage init" ||
+ LOG OK "overlay takeover in first stage init"
fi
if ${enforcing}; then
@@ -1373,25 +1385,23 @@
die "device not in unroot'd state"
B="`adb_cat /vendor/hello 2>&1`"
check_eq "cat: /vendor/hello: Permission denied" "${B}" vendor after reboot w/o root
- echo "${GREEN}[ OK ]${NORMAL} /vendor content correct MAC after reboot" >&2
+ LOG OK "/vendor content correct MAC after reboot"
# Feed unprivileged log with selinux denials as a result of overlays
wait_for_screen
adb_sh find ${MOUNTS} </dev/null >/dev/null 2>/dev/null || true
fi
# If overlayfs has a nested security problem, this will fail.
-B="`adb_ls /system/`" ||
- die "adb ls /system"
-[ X"${B}" != X"${B#*priv-app}" ] ||
- die "adb ls /system/priv-app"
+adb_sh ls /system >/dev/null || die "ls /system"
+adb_test -d /system/priv-app || die "[ -d /system/priv-app ]"
B="`adb_cat /system/priv-app/hello`"
check_eq "${A}" "${B}" /system/priv-app after reboot
+
# Only root can read vendor if sepolicy permissions are as expected.
-adb_root ||
- die "adb root"
+adb_root || die "adb root"
for i in ${MOUNTS}; do
B="`adb_cat ${i}/hello`"
check_eq "${A}" "${B}" ${i#/} after reboot
- echo "${GREEN}[ OK ]${NORMAL} ${i} content remains after reboot" >&2
+ LOG OK "${i} content remains after reboot"
done
check_eq "${SYSTEM_INO}" "`adb_sh stat --format=%i /system/hello </dev/null`" system inode after reboot
@@ -1400,200 +1410,157 @@
# Feed log with selinux denials as a result of overlays
adb_sh find ${MOUNTS} </dev/null >/dev/null 2>/dev/null || true
-# Check if the updated libc.so is persistent after reboot.
-adb_root &&
- adb pull /system/lib/bootstrap/libc.so ${tempdir}/libc.so.fromdevice >/dev/null ||
- die "pull libc.so from device"
-diff ${tempdir}/libc.so ${tempdir}/libc.so.fromdevice > /dev/null || die "libc.so differ"
-rm -rf ${tempdir}
-cleanup() {
- true
-}
-echo "${GREEN}[ OK ]${NORMAL} /system/lib/bootstrap/libc.so content remains after reboot" >&2
+# Check if the updated build.prop is persistent after reboot.
+check_eq "true" "$(get_property 'test.adb.remount.system.build.prop')" "load modified build.prop"
+adb pull /system/build.prop "${system_build_prop_fromdevice}" >/dev/null ||
+ die "adb pull /system/build.prop"
+diff "${system_build_prop_modified}" "${system_build_prop_fromdevice}" >/dev/null ||
+ die "/system/build.prop differs from pushed content"
+LOG OK "/system/build.prop content remains after reboot"
-echo "${GREEN}[ RUN ]${NORMAL} flash vendor, confirm its content disappears" >&2
+################################################################################
+LOG RUN "flash vendor, and confirm vendor override disappears"
-H=`adb_sh echo '${HOSTNAME}' </dev/null 2>/dev/null`
-is_bootloader_fastboot=false
-# cuttlefish?
-[ X"${H}" != X"${H#vsoc}" ] || is_bootloader_fastboot=true
+is_bootloader_fastboot=true
+# virtual device?
+case "$(get_property ro.product.vendor.device)" in
+ vsoc_* | emulator_* | emulator64_*)
+ is_bootloader_fastboot=false
+ ;;
+esac
is_userspace_fastboot=false
if ! ${is_bootloader_fastboot}; then
- echo "${YELLOW}[ WARNING ]${NORMAL} does not support fastboot, skipping"
-elif [ -z "${ANDROID_PRODUCT_OUT}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} build tree not setup, skipping"
-elif [ ! -s "${ANDROID_PRODUCT_OUT}/vendor.img" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} vendor image missing, skipping"
-elif [ "${ANDROID_PRODUCT_OUT}" = "${ANDROID_PRODUCT_OUT%*/${H}}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} wrong vendor image, skipping"
-elif [ -z "${ANDROID_HOST_OUT}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} please run lunch, skipping"
-elif ! (
- adb_cat /vendor/build.prop |
- cmp -s ${ANDROID_PRODUCT_OUT}/vendor/build.prop
- ) >/dev/null 2>/dev/null; then
- echo "${YELLOW}[ WARNING ]${NORMAL} vendor image signature mismatch, skipping"
+ LOG WARNING "does not support fastboot flash, skipping"
else
wait_for_screen
+ adb_root || die "adb root"
+
+ VENDOR_DEVICE_CANDIDATES=(
+ "/dev/block/mapper/vendor"{_${ACTIVE_SLOT},}
+ "/dev/block/by-name/vendor"{_${ACTIVE_SLOT},}
+ )
+ for b in "${VENDOR_DEVICE_CANDIDATES[@]}"; do
+ if adb_test -e "${b}"; then
+ adb pull "${b}" "${TMPDIR}/vendor.img" || die "adb pull ${b}"
+ LOG INFO "pulled ${b} from device as vendor.img"
+ break
+ fi
+ done
+ [ -f "${TMPDIR}/vendor.img" ] ||
+ die "cannot find block device of vendor partition"
+
avc_check
adb reboot fastboot </dev/null ||
die "fastbootd not supported (wrong adb in path?)"
any_wait ${ADB_WAIT} &&
inFastboot ||
die "reboot into fastboot to flash vendor `usb_status` (bad bootloader?)"
- fastboot flash vendor ||
+ fastboot flash vendor "${TMPDIR}/vendor.img" ||
( fastboot reboot && false) ||
die "fastboot flash vendor"
+ LOG OK "flashed vendor"
+
fastboot_getvar is-userspace yes &&
is_userspace_fastboot=true
- if [ -n "${scratch_paritition}" ]; then
- fastboot_getvar partition-type:${scratch_partition} raw ||
- ( fastboot reboot && false) ||
- die "fastboot can not see ${scratch_partition} parameters"
- if ${uses_dynamic_scratch}; then
- # check ${scratch_partition} via fastboot
- fastboot_getvar has-slot:${scratch_partition} no &&
- fastboot_getvar is-logical:${scratch_partition} yes ||
- ( fastboot reboot && false) ||
- die "fastboot can not see ${scratch_partition} parameters"
- else
- fastboot_getvar is-logical:${scratch_partition} no ||
- ( fastboot reboot && false) ||
- die "fastboot can not see ${scratch_partition} parameters"
- fi
- if ! ${uses_dynamic_scratch}; then
- fastboot reboot-bootloader ||
- die "Reboot into fastboot"
- fi
- if ${uses_dynamic_scratch}; then
- echo "${BLUE}[ INFO ]${NORMAL} expect fastboot erase ${scratch_partition} to fail" >&2
- fastboot erase ${scratch_partition} &&
- ( fastboot reboot || true) &&
- die "fastboot can erase ${scratch_partition}"
- fi
- echo "${BLUE}[ INFO ]${NORMAL} expect fastboot format ${scratch_partition} to fail" >&2
- fastboot format ${scratch_partition} &&
- ( fastboot reboot || true) &&
- die "fastboot can format ${scratch_partition}"
+
+ if ${scratch_on_super}; then
+ fastboot_getvar partition-type:scratch raw ||
+ die "fastboot cannot see parameter partition-type:scratch"
+ fastboot_getvar has-slot:scratch no ||
+ die "fastboot cannot see parameter has-slot:scratch"
+ fastboot_getvar is-logical:scratch yes ||
+ die "fastboot cannot see parameter is-logical:scratch"
+ LOG INFO "expect fastboot erase scratch to fail"
+ fastboot erase scratch && die "fastboot can erase scratch"
+ LOG INFO "expect fastboot format scratch to fail"
+ fastboot format scratch && die "fastboot can format scratch"
fi
- fastboot reboot ||
- die "can not reboot out of fastboot"
- echo "${YELLOW}[ WARNING ]${NORMAL} adb after fastboot"
+
+ fastboot reboot || die "cannot reboot out of fastboot"
+ LOG INFO "reboot from fastboot"
adb_wait ${ADB_WAIT} ||
fixup_from_recovery ||
- die "did not reboot after formatting ${scratch_partition} `usb_status`"
+ die "cannot reboot after flash vendor $(usb_status)"
if ${overlayfs_needed}; then
- adb_root &&
- D=`adb_sh df -k </dev/null` &&
- H=`echo "${D}" | head -1` &&
- D=`echo "${D}" | skip_unrelated_mounts | grep "^overlay "` &&
- echo "${H}" &&
- echo "${D}" &&
- echo "${D}" | grep "^overlay .* /system\$" >/dev/null ||
+ is_overlayfs_mounted /system ||
die "overlay /system takeover after flash vendor"
- echo "${D}" | grep "^overlay .* /vendor\$" >/dev/null &&
+ if is_overlayfs_mounted /vendor 2>/dev/null; then
if ${is_userspace_fastboot}; then
die "overlay supposed to be minus /vendor takeover after flash vendor"
else
- echo "${YELLOW}[ WARNING ]${NORMAL} user fastboot missing required to invalidate, ignoring a failure" >&2
- echo "${YELLOW}[ WARNING ]${NORMAL} overlay supposed to be minus /vendor takeover after flash vendor" >&2
+ LOG WARNING "fastbootd missing required to invalidate, ignoring a failure"
+ LOG WARNING "overlay supposed to be minus /vendor takeover after flash vendor"
fi
+ fi
fi
- B="`adb_cat /system/hello`"
- check_eq "${A}" "${B}" system after flash vendor
- B="`adb_ls /system/`" ||
- die "adb ls /system"
- [ X"${B}" != X"${B#*priv-app}" ] ||
- die "adb ls /system/priv-app"
- B="`adb_cat /system/priv-app/hello`"
- check_eq "${A}" "${B}" system/priv-app after flash vendor
- adb_root ||
- die "adb root"
- B="`adb_cat /vendor/hello`"
- if ${is_userspace_fastboot} || ! ${overlayfs_needed}; then
- check_eq "cat: /vendor/hello: No such file or directory" "${B}" \
- vendor content after flash vendor
- else
- echo "${YELLOW}[ WARNING ]${NORMAL} user fastboot missing required to invalidate, ignoring a failure" >&2
- check_eq "cat: /vendor/hello: No such file or directory" "${B}" \
- --warning vendor content after flash vendor
+ check_eq "${A}" "$(adb_cat /system/hello)" "/system content after flash vendor"
+ check_eq "${SYSTEM_INO}" "$(adb_sh stat --format=%i /system/hello </dev/null)" "system inode after flash vendor"
+ adb_sh ls /system >/dev/null || die "ls /system"
+ adb_test -d /system/priv-app || die "[ -d /system/priv-app ]"
+ check_eq "${A}" "$(adb_cat /system/priv-app/hello)" "/system/priv-app content after flash vendor"
+ adb_root || die "adb root"
+ if adb_test -e /vendor/hello; then
+ if ${is_userspace_fastboot} || ! ${overlayfs_needed}; then
+ die "vendor content after flash vendor"
+ else
+ LOG WARNING "fastbootd missing required to invalidate, ignoring a failure"
+ LOG WARNING "vendor content after flash vendor"
+ fi
fi
-
- check_eq "${SYSTEM_INO}" "`adb_sh stat --format=%i /system/hello </dev/null`" system inode after reboot
-
-fi
+ LOG OK "vendor override destroyed after flash verdor"
+fi >&2
wait_for_screen
-echo "${GREEN}[ RUN ]${NORMAL} remove test content (cleanup)" >&2
-T=`adb_date`
-H=`adb remount 2>&1`
-err=${?}
-L=
-D="${H%?Now reboot your device for settings to take effect*}"
-if [ X"${H}" != X"${D}" ]; then
- echo "${YELLOW}[ WARNING ]${NORMAL} adb remount requires a reboot after partial flash (legacy avb)"
- L=`adb_logcat -b all -v nsec -t ${T} 2>&1`
- adb_reboot &&
- adb_wait ${ADB_WAIT} &&
- adb_root ||
- die "failed to reboot"
- T=`adb_date`
- H=`adb remount 2>&1`
- err=${?}
+################################################################################
+LOG RUN "Clean up test content"
+
+adb_root || die "adb root"
+T=$(adb_date)
+D=$(adb remount 2>&1) ||
+ die -t "${T}" "adb remount"
+echo "${D}" >&2
+if [[ "${D}" =~ [Rr]eboot ]]; then
+ LOG OK "adb remount calls for a reboot after partial flash"
+ # but we don't really want to, since rebooting just recreates the already tore
+ # down vendor overlay.
fi
-echo "${H}"
-[ ${err} = 0 ] &&
- ( adb_sh rm /vendor/hello </dev/null 2>/dev/null || true ) &&
- adb_sh rm /system/hello /system/priv-app/hello </dev/null ||
- ( [ -n "${L}" ] && echo "${L}" && false ) ||
- die -t ${T} "cleanup hello"
-B="`adb_cat /system/hello`"
-check_eq "cat: /system/hello: No such file or directory" "${B}" after rm
-B="`adb_cat /system/priv-app/hello`"
-check_eq "cat: /system/priv-app/hello: No such file or directory" "${B}" after rm
-B="`adb_cat /vendor/hello`"
-check_eq "cat: /vendor/hello: No such file or directory" "${B}" after rm
-for i in ${MOUNTS}; do
- adb_sh rm ${i}/hello </dev/null 2>/dev/null || true
+
+for i in ${MOUNTS} /system/priv-app; do
+ adb_sh rm "${i}/hello" 2>/dev/null || true
+ adb_test -e "${i}/hello" &&
+ die -t "${T}" "/${i}/hello lingers after rm"
done
-if ${is_bootloader_fastboot} && [ -n "${scratch_partition}" ]; then
+################################################################################
+if ${is_bootloader_fastboot} && ${scratch_on_super}; then
- echo "${GREEN}[ RUN ]${NORMAL} test fastboot flash to ${scratch_partition} recovery" >&2
+ LOG RUN "test fastboot flash to scratch recovery"
avc_check
adb reboot fastboot </dev/null ||
die "Reboot into fastbootd"
- img=${TMPDIR}/adb-remount-test-${$}.img
- cleanup() {
- rm ${img}
- }
+ img="${TMPDIR}/adb-remount-test-${$}.img"
dd if=/dev/zero of=${img} bs=4096 count=16 2>/dev/null &&
fastboot_wait ${FASTBOOT_WAIT} ||
die "reboot into fastboot to flash scratch `usb_status`"
- fastboot flash --force ${scratch_partition} ${img}
+ fastboot flash --force scratch ${img}
err=${?}
- cleanup
- cleanup() {
- true
- }
fastboot reboot ||
die "can not reboot out of fastboot"
[ 0 -eq ${err} ] ||
- die "fastboot flash ${scratch_partition}"
+ die "fastboot flash scratch"
adb_wait ${ADB_WAIT} &&
adb_root ||
- die "did not reboot after flashing empty ${scratch_partition} `usb_status`"
+ die "did not reboot after flashing empty scratch $(usb_status)"
T=`adb_date`
D=`adb disable-verity 2>&1`
err=${?}
if [ X"${D}" != "${D%?Now reboot your device for settings to take effect*}" ]
then
- echo "${YELLOW}[ WARNING ]${NORMAL} adb disable-verity requires a reboot after partial flash"
+ LOG WARNING "adb disable-verity requires a reboot after partial flash"
adb_reboot &&
- adb_wait ${ADB_WAIT} &&
adb_root ||
die "failed to reboot"
T=`adb_date`
@@ -1602,135 +1569,15 @@
err=${?}
fi
- echo "${D}"
+ echo "${D}" >&2
[ ${err} = 0 ] &&
[ X"${D}" = X"${D##*setup failed}" ] &&
[ X"${D}" != X"${D##*[Uu]sing overlayfs}" ] &&
- echo "${GREEN}[ OK ]${NORMAL} ${scratch_partition} recreated" >&2 ||
+ LOG OK "recreated scratch" ||
die -t ${T} "setup for overlayfs"
- D=`adb remount 2>&1`
- err=${?}
- echo "${D}"
- [ ${err} != 0 ] ||
- [ X"${D}" = X"${D##*remount failed}" ] ||
- ( echo "${D}" && false ) ||
+ adb remount >&2 ||
die -t ${T} "remount failed"
fi
-echo "${GREEN}[ RUN ]${NORMAL} test raw remount commands" >&2
-fixup_from_fastboot() {
- inFastboot || return 1
- if [ -n "${ACTIVE_SLOT}" ]; then
- local active_slot=`get_active_slot`
- if [ X"${ACTIVE_SLOT}" != X"${active_slot}" ]; then
- echo "${YELLOW}[ ERROR ]${NORMAL} Active slot changed from ${ACTIVE_SLOT} to ${active_slot}"
- else
- echo "${YELLOW}[ ERROR ]${NORMAL} Active slot to be set to ${ACTIVE_SLOT}"
- fi >&2
- fastboot --set-active=${ACTIVE_SLOT}
- fi
- fastboot reboot
- adb_wait ${ADB_WAIT}
-}
-
-# Prerequisite is a prepped device from above.
-adb_reboot &&
- adb_wait ${ADB_WAIT} ||
- fixup_from_fastboot ||
- die "lost device after reboot to ro state `usb_status`"
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null &&
- die "/vendor is not read-only"
-adb_su mount -o rw,remount /vendor </dev/null ||
- die "remount command"
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null ||
- die "/vendor is not read-write"
-echo "${GREEN}[ OK ]${NORMAL} mount -o rw,remount command works" >&2
-
-# Prerequisite is a prepped device from above.
-adb_reboot &&
- adb_wait ${ADB_WAIT} ||
- fixup_from_fastboot ||
- die "lost device after reboot to ro state `usb_status`"
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null &&
- die "/vendor is not read-only"
-adb_su remount vendor </dev/null ||
- die "remount command"
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null ||
- die "/vendor is not read-write"
-adb_sh grep " /system .* rw," /proc/mounts >/dev/null </dev/null &&
- die "/vendor is not read-only"
-echo "${GREEN}[ OK ]${NORMAL} remount command works from setup" >&2
-
-# Prerequisite is an overlayfs deconstructed device but with verity disabled.
-# This also saves a lot of 'noise' from the command doing a mkfs on backing
-# storage and all the related tuning and adjustment.
-for d in ${OVERLAYFS_BACKING}; do
- if adb_test -d /${d}/overlay; then
- adb_su rm -rf /${d}/overlay </dev/null ||
- die "/${d}/overlay wipe"
- fi
-done
-adb_reboot &&
- adb_wait ${ADB_WAIT} ||
- fixup_from_fastboot ||
- die "lost device after reboot after wipe `usb_status`"
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null &&
- die "/vendor is not read-only"
-adb_su remount vendor </dev/null ||
- die "remount command"
-adb_su df -k </dev/null | skip_unrelated_mounts
-adb_sh grep " /vendor .* rw," /proc/mounts >/dev/null </dev/null ||
- die "/vendor is not read-write"
-adb_sh grep " \(/system\|/\) .* rw," /proc/mounts >/dev/null </dev/null &&
- die "/system is not read-only"
-echo "${GREEN}[ OK ]${NORMAL} remount command works from scratch" >&2
-
-if ! restore; then
- restore() {
- true
- }
- die "failed to restore verity after remount from scratch test"
-fi
-
-err=0
-
-if ${overlayfs_supported}; then
- echo "${GREEN}[ RUN ]${NORMAL} test 'adb remount -R'" >&2
- avc_check
- adb_root ||
- die "adb root in preparation for adb remount -R"
- T=`adb_date`
- adb remount -R
- err=${?}
- if [ "${err}" != 0 ]; then
- die -t ${T} "adb remount -R = ${err}"
- fi
- sleep 2
- adb_wait ${ADB_WAIT} ||
- die "waiting for device after adb remount -R `usb_status`"
- if [ "orange" != "`get_property ro.boot.verifiedbootstate`" -o \
- "2" = "`get_property partition.system.verified`" ] &&
- [ -n "`get_property ro.boot.verifiedbootstate`" -o \
- -n "`get_property partition.system.verified`" ]; then
- die "remount -R command failed to disable verity
-${INDENT}ro.boot.verifiedbootstate=\"`get_property ro.boot.verifiedbootstate`\"
-${INDENT}partition.system.verified=\"`get_property partition.system.verified`\""
- fi
-
- echo "${GREEN}[ OK ]${NORMAL} 'adb remount -R' command" >&2
-
- restore
- err=${?}
-fi
-
-restore() {
- true
-}
-
-[ ${err} = 0 ] ||
- die "failed to restore verity"
-
-echo "${GREEN}[ PASSED ]${NORMAL} adb remount" >&2
-
-test_duration
+LOG PASSED "adb remount test"
diff --git a/fs_mgr/tests/vts_fs_test.cpp b/fs_mgr/tests/vts_fs_test.cpp
index b8b34e2..bb2ceb9 100644
--- a/fs_mgr/tests/vts_fs_test.cpp
+++ b/fs_mgr/tests/vts_fs_test.cpp
@@ -66,6 +66,14 @@
int vsr_level = GetVsrLevel();
+ std::vector<std::string> must_be_f2fs;
+ if (vsr_level >= __ANDROID_API_T__) {
+ must_be_f2fs.emplace_back("/data");
+ }
+ if (vsr_level >= __ANDROID_API_U__) {
+ must_be_f2fs.emplace_back("/metadata");
+ }
+
for (const auto& entry : fstab) {
std::string parent_bdev = entry.blk_device;
while (true) {
@@ -99,15 +107,15 @@
}
if (entry.flags & MS_RDONLY) {
- std::vector<std::string> allowed = {"erofs", "ext4"};
- if (vsr_level == __ANDROID_API_T__) {
- allowed.emplace_back("f2fs");
- }
+ std::vector<std::string> allowed = {"erofs", "ext4", "f2fs"};
EXPECT_NE(std::find(allowed.begin(), allowed.end(), entry.fs_type), allowed.end())
<< entry.mount_point;
} else {
- EXPECT_NE(entry.fs_type, "ext4") << entry.mount_point;
+ if (std::find(must_be_f2fs.begin(), must_be_f2fs.end(), entry.mount_point) !=
+ must_be_f2fs.end()) {
+ EXPECT_EQ(entry.fs_type, "f2fs") << entry.mount_point;
+ }
}
}
}
diff --git a/fs_mgr/tools/dmctl.cpp b/fs_mgr/tools/dmctl.cpp
index 62ca162..10efd0c 100644
--- a/fs_mgr/tools/dmctl.cpp
+++ b/fs_mgr/tools/dmctl.cpp
@@ -33,6 +33,7 @@
#include <ios>
#include <iostream>
#include <map>
+#include <optional>
#include <sstream>
#include <string>
#include <vector>
@@ -183,6 +184,8 @@
}
std::string control_device = NextArg();
return std::make_unique<DmTargetUser>(start_sector, num_sectors, control_device);
+ } else if (target_type == "error") {
+ return std::make_unique<DmTargetError>(start_sector, num_sectors);
} else {
std::cerr << "Unrecognized target type: " << target_type << std::endl;
return nullptr;
@@ -206,16 +209,26 @@
char** argv_;
};
-static bool parse_table_args(DmTable* table, int argc, char** argv) {
+struct TableArgs {
+ DmTable table;
+ bool suspended = false;
+};
+
+static std::optional<TableArgs> parse_table_args(int argc, char** argv) {
+ TableArgs out;
+
// Parse extended options first.
int arg_index = 1;
while (arg_index < argc && argv[arg_index][0] == '-') {
if (strcmp(argv[arg_index], "-ro") == 0) {
- table->set_readonly(true);
+ out.table.set_readonly(true);
+ arg_index++;
+ } else if (strcmp(argv[arg_index], "-suspended") == 0) {
+ out.suspended = true;
arg_index++;
} else {
std::cerr << "Unrecognized option: " << argv[arg_index] << std::endl;
- return -EINVAL;
+ return {};
}
}
@@ -223,37 +236,44 @@
TargetParser parser(argc - arg_index, argv + arg_index);
while (parser.More()) {
std::unique_ptr<DmTarget> target = parser.Next();
- if (!target || !table->AddTarget(std::move(target))) {
- return -EINVAL;
+ if (!target || !out.table.AddTarget(std::move(target))) {
+ return {};
}
}
- if (table->num_targets() == 0) {
+ if (out.table.num_targets() == 0) {
std::cerr << "Must define at least one target." << std::endl;
- return -EINVAL;
+ return {};
}
- return 0;
+ return {std::move(out)};
}
static int DmCreateCmdHandler(int argc, char** argv) {
if (argc < 1) {
- std::cerr << "Usage: dmctl create <dm-name> [-ro] <targets...>" << std::endl;
+ std::cerr << "Usage: dmctl create <dm-name> [--suspended] [-ro] <targets...>" << std::endl;
return -EINVAL;
}
std::string name = argv[0];
- DmTable table;
- int ret = parse_table_args(&table, argc, argv);
- if (ret) {
- return ret;
+ auto table_args = parse_table_args(argc, argv);
+ if (!table_args) {
+ return -EINVAL;
}
std::string ignore_path;
DeviceMapper& dm = DeviceMapper::Instance();
- if (!dm.CreateDevice(name, table, &ignore_path, 5s)) {
+ if (!dm.CreateEmptyDevice(name)) {
std::cerr << "Failed to create device-mapper device with name: " << name << std::endl;
return -EIO;
}
+ if (!dm.LoadTable(name, table_args->table)) {
+ std::cerr << "Failed to load table for dm device: " << name << std::endl;
+ return -EIO;
+ }
+ if (!table_args->suspended && !dm.ChangeState(name, DmDeviceState::ACTIVE)) {
+ std::cerr << "Failed to activate table for " << name << std::endl;
+ return -EIO;
+ }
return 0;
}
@@ -269,7 +289,6 @@
std::cerr << "Failed to delete [" << name << "]" << std::endl;
return -EIO;
}
-
return 0;
}
@@ -280,17 +299,20 @@
}
std::string name = argv[0];
- DmTable table;
- int ret = parse_table_args(&table, argc, argv);
- if (ret) {
- return ret;
+ auto table_args = parse_table_args(argc, argv);
+ if (!table_args) {
+ return -EINVAL;
}
DeviceMapper& dm = DeviceMapper::Instance();
- if (!dm.LoadTableAndActivate(name, table)) {
+ if (!dm.LoadTable(name, table_args->table)) {
std::cerr << "Failed to replace device-mapper table to: " << name << std::endl;
return -EIO;
}
+ if (!table_args->suspended && !dm.ChangeState(name, DmDeviceState::ACTIVE)) {
+ std::cerr << "Failed to activate table for " << name << std::endl;
+ return -EIO;
+ }
return 0;
}
diff --git a/fs_mgr/tools/dmuserd.cpp b/fs_mgr/tools/dmuserd.cpp
index 6b68b28..da7156c 100644
--- a/fs_mgr/tools/dmuserd.cpp
+++ b/fs_mgr/tools/dmuserd.cpp
@@ -13,6 +13,7 @@
#include <sys/prctl.h>
#include <unistd.h>
#include <iostream>
+#include <string>
#define SECTOR_SIZE ((__u64)512)
#define BUFFER_BYTES 4096
@@ -133,16 +134,16 @@
return 0;
}
-int simple_daemon(char* control_path, char* backing_path) {
- int control_fd = open(control_path, O_RDWR);
+static int simple_daemon(const std::string& control_path, const std::string& backing_path) {
+ int control_fd = open(control_path.c_str(), O_RDWR);
if (control_fd < 0) {
- fprintf(stderr, "Unable to open control device %s\n", control_path);
+ fprintf(stderr, "Unable to open control device %s\n", control_path.c_str());
return -1;
}
- int backing_fd = open(backing_path, O_RDWR);
+ int backing_fd = open(backing_path.c_str(), O_RDWR);
if (backing_fd < 0) {
- fprintf(stderr, "Unable to open backing device %s\n", backing_path);
+ fprintf(stderr, "Unable to open backing device %s\n", backing_path.c_str());
return -1;
}
@@ -286,8 +287,8 @@
}
int main(int argc, char* argv[]) {
- char* control_path = NULL;
- char* backing_path = NULL;
+ std::string control_path;
+ std::string backing_path;
char* store;
int c;
@@ -299,10 +300,10 @@
usage(basename(argv[0]));
exit(0);
case 'c':
- control_path = strdup(optarg);
+ control_path = optarg;
break;
case 'b':
- backing_path = strdup(optarg);
+ backing_path = optarg;
break;
case 'v':
verbose = true;
diff --git a/gatekeeperd/Android.bp b/gatekeeperd/Android.bp
index 0aedc58..838f734 100644
--- a/gatekeeperd/Android.bp
+++ b/gatekeeperd/Android.bp
@@ -43,6 +43,8 @@
"libutils",
"libcrypto",
"libhidlbase",
+ "lib_android_keymaster_keymint_utils",
+ "android.hardware.gatekeeper-V1-ndk",
"android.hardware.gatekeeper@1.0",
"libgatekeeper_aidl",
"android.security.authorization-ndk",
diff --git a/gatekeeperd/gatekeeperd.cpp b/gatekeeperd/gatekeeperd.cpp
index 8792c83..76fcd55 100644
--- a/gatekeeperd/gatekeeperd.cpp
+++ b/gatekeeperd/gatekeeperd.cpp
@@ -25,6 +25,7 @@
#include <unistd.h>
#include <memory>
+#include <KeyMintUtils.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android/binder_ibinder.h>
@@ -38,6 +39,7 @@
#include <log/log.h>
#include <utils/String16.h>
+#include <aidl/android/hardware/gatekeeper/IGatekeeper.h>
#include <aidl/android/hardware/security/keymint/HardwareAuthToken.h>
#include <aidl/android/security/authorization/IKeystoreAuthorization.h>
#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
@@ -49,27 +51,35 @@
using android::hardware::gatekeeper::V1_0::GatekeeperStatusCode;
using android::hardware::gatekeeper::V1_0::IGatekeeper;
+using AidlGatekeeperEnrollResp = aidl::android::hardware::gatekeeper::GatekeeperEnrollResponse;
+using AidlGatekeeperVerifyResp = aidl::android::hardware::gatekeeper::GatekeeperVerifyResponse;
+using AidlIGatekeeper = aidl::android::hardware::gatekeeper::IGatekeeper;
+
using ::android::binder::Status;
using ::android::service::gatekeeper::BnGateKeeperService;
using GKResponse = ::android::service::gatekeeper::GateKeeperResponse;
using GKResponseCode = ::android::service::gatekeeper::ResponseCode;
using ::aidl::android::hardware::security::keymint::HardwareAuthenticatorType;
using ::aidl::android::hardware::security::keymint::HardwareAuthToken;
+using ::aidl::android::hardware::security::keymint::km_utils::authToken2AidlVec;
using ::aidl::android::security::authorization::IKeystoreAuthorization;
namespace android {
static const String16 KEYGUARD_PERMISSION("android.permission.ACCESS_KEYGUARD_SECURE_STORAGE");
static const String16 DUMP_PERMISSION("android.permission.DUMP");
+constexpr const char gatekeeperServiceName[] = "android.hardware.gatekeeper.IGatekeeper/default";
class GateKeeperProxy : public BnGateKeeperService {
public:
GateKeeperProxy() {
clear_state_if_needed_done = false;
hw_device = IGatekeeper::getService();
+ ::ndk::SpAIBinder ks2Binder(AServiceManager_getService(gatekeeperServiceName));
+ aidl_hw_device = AidlIGatekeeper::fromBinder(ks2Binder);
is_running_gsi = android::base::GetBoolProperty(android::gsi::kGsiBootedProp, false);
- if (!hw_device) {
+ if (!aidl_hw_device && !hw_device) {
LOG(ERROR) << "Could not find Gatekeeper device, which makes me very sad.";
}
}
@@ -95,7 +105,9 @@
if (mark_cold_boot() && !is_running_gsi) {
ALOGI("cold boot: clearing state");
- if (hw_device) {
+ if (aidl_hw_device) {
+ aidl_hw_device->deleteAllUsers();
+ } else if (hw_device) {
hw_device->deleteAllUsers([](const GatekeeperResponse&) {});
}
}
@@ -150,7 +162,7 @@
uint32_t adjust_userId(uint32_t userId) {
static constexpr uint32_t kGsiOffset = 1000000;
CHECK(userId < kGsiOffset);
- CHECK(hw_device != nullptr);
+ CHECK((aidl_hw_device != nullptr) || (hw_device != nullptr));
if (is_running_gsi) {
return userId + kGsiOffset;
}
@@ -176,7 +188,7 @@
// need a desired password to enroll
if (desiredPassword.size() == 0) return GK_ERROR;
- if (!hw_device) {
+ if (!aidl_hw_device && !hw_device) {
LOG(ERROR) << "has no HAL to talk to";
return GK_ERROR;
}
@@ -185,9 +197,13 @@
android::hardware::hidl_vec<uint8_t> curPwd;
if (currentPasswordHandle && currentPassword) {
- if (currentPasswordHandle->size() != sizeof(gatekeeper::password_handle_t)) {
- LOG(INFO) << "Password handle has wrong length";
- return GK_ERROR;
+ if (hw_device) {
+ // Hidl Implementations expects passwordHandle to be in
+ // gatekeeper::password_handle_t format.
+ if (currentPasswordHandle->size() != sizeof(gatekeeper::password_handle_t)) {
+ LOG(INFO) << "Password handle has wrong length";
+ return GK_ERROR;
+ }
}
curPwdHandle.setToExternal(const_cast<uint8_t*>(currentPasswordHandle->data()),
currentPasswordHandle->size());
@@ -199,7 +215,27 @@
newPwd.setToExternal(const_cast<uint8_t*>(desiredPassword.data()), desiredPassword.size());
uint32_t hw_userId = adjust_userId(userId);
- Return<void> hwRes = hw_device->enroll(
+ uint64_t secureUserId = 0;
+ if (aidl_hw_device) {
+ // AIDL gatekeeper service
+ AidlGatekeeperEnrollResp rsp;
+ auto result = aidl_hw_device->enroll(hw_userId, curPwdHandle, curPwd, newPwd, &rsp);
+ if (!result.isOk()) {
+ LOG(ERROR) << "enroll transaction failed";
+ return GK_ERROR;
+ }
+ if (rsp.statusCode >= AidlIGatekeeper::STATUS_OK) {
+ *gkResponse = GKResponse::ok({rsp.data.begin(), rsp.data.end()});
+ secureUserId = static_cast<uint64_t>(rsp.secureUserId);
+ } else if (rsp.statusCode == AidlIGatekeeper::ERROR_RETRY_TIMEOUT &&
+ rsp.timeoutMs > 0) {
+ *gkResponse = GKResponse::retry(rsp.timeoutMs);
+ } else {
+ *gkResponse = GKResponse::error();
+ }
+ } else if (hw_device) {
+ // HIDL gatekeeper service
+ Return<void> hwRes = hw_device->enroll(
hw_userId, curPwdHandle, curPwd, newPwd,
[&gkResponse](const GatekeeperResponse& rsp) {
if (rsp.code >= GatekeeperStatusCode::STATUS_OK) {
@@ -211,22 +247,26 @@
*gkResponse = GKResponse::error();
}
});
- if (!hwRes.isOk()) {
- LOG(ERROR) << "enroll transaction failed";
- return GK_ERROR;
+ if (!hwRes.isOk()) {
+ LOG(ERROR) << "enroll transaction failed";
+ return GK_ERROR;
+ }
+ if (gkResponse->response_code() == GKResponseCode::OK) {
+ if (gkResponse->payload().size() != sizeof(gatekeeper::password_handle_t)) {
+ LOG(ERROR) << "HAL returned password handle of invalid length "
+ << gkResponse->payload().size();
+ return GK_ERROR;
+ }
+
+ const gatekeeper::password_handle_t* handle =
+ reinterpret_cast<const gatekeeper::password_handle_t*>(
+ gkResponse->payload().data());
+ secureUserId = handle->user_id;
+ }
}
if (gkResponse->response_code() == GKResponseCode::OK && !gkResponse->should_reenroll()) {
- if (gkResponse->payload().size() != sizeof(gatekeeper::password_handle_t)) {
- LOG(ERROR) << "HAL returned password handle of invalid length "
- << gkResponse->payload().size();
- return GK_ERROR;
- }
-
- const gatekeeper::password_handle_t* handle =
- reinterpret_cast<const gatekeeper::password_handle_t*>(
- gkResponse->payload().data());
- store_sid(userId, handle->user_id);
+ store_sid(userId, secureUserId);
GKResponse verifyResponse;
// immediately verify this password so we don't ask the user to enter it again
@@ -260,15 +300,18 @@
// can't verify if we're missing either param
if (enrolledPasswordHandle.size() == 0 || providedPassword.size() == 0) return GK_ERROR;
- if (!hw_device) return GK_ERROR;
-
- if (enrolledPasswordHandle.size() != sizeof(gatekeeper::password_handle_t)) {
- LOG(INFO) << "Password handle has wrong length";
+ if (!aidl_hw_device && !hw_device) {
+ LOG(ERROR) << "has no HAL to talk to";
return GK_ERROR;
}
- const gatekeeper::password_handle_t* handle =
- reinterpret_cast<const gatekeeper::password_handle_t*>(
- enrolledPasswordHandle.data());
+
+ if (hw_device) {
+ // Hidl Implementations expects passwordHandle to be in gatekeeper::password_handle_t
+ if (enrolledPasswordHandle.size() != sizeof(gatekeeper::password_handle_t)) {
+ LOG(INFO) << "Password handle has wrong length";
+ return GK_ERROR;
+ }
+ }
uint32_t hw_userId = adjust_userId(userId);
android::hardware::hidl_vec<uint8_t> curPwdHandle;
@@ -278,13 +321,36 @@
enteredPwd.setToExternal(const_cast<uint8_t*>(providedPassword.data()),
providedPassword.size());
- Return<void> hwRes = hw_device->verify(
+ uint64_t secureUserId = 0;
+ if (aidl_hw_device) {
+ // AIDL gatekeeper service
+ AidlGatekeeperVerifyResp rsp;
+ auto result =
+ aidl_hw_device->verify(hw_userId, challenge, curPwdHandle, enteredPwd, &rsp);
+ if (!result.isOk()) {
+ LOG(ERROR) << "verify transaction failed";
+ return GK_ERROR;
+ }
+ if (rsp.statusCode >= AidlIGatekeeper::STATUS_OK) {
+ secureUserId = rsp.hardwareAuthToken.userId;
+ // Serialize HardwareAuthToken to a vector as hw_auth_token_t.
+ *gkResponse = GKResponse::ok(authToken2AidlVec(rsp.hardwareAuthToken),
+ rsp.statusCode ==
+ AidlIGatekeeper::STATUS_REENROLL /* reenroll */);
+ } else if (rsp.statusCode == AidlIGatekeeper::ERROR_RETRY_TIMEOUT) {
+ *gkResponse = GKResponse::retry(rsp.timeoutMs);
+ } else {
+ *gkResponse = GKResponse::error();
+ }
+ } else if (hw_device) {
+ // HIDL gatekeeper service
+ Return<void> hwRes = hw_device->verify(
hw_userId, challenge, curPwdHandle, enteredPwd,
[&gkResponse](const GatekeeperResponse& rsp) {
if (rsp.code >= GatekeeperStatusCode::STATUS_OK) {
*gkResponse = GKResponse::ok(
- {rsp.data.begin(), rsp.data.end()},
- rsp.code == GatekeeperStatusCode::STATUS_REENROLL /* reenroll */);
+ {rsp.data.begin(), rsp.data.end()},
+ rsp.code == GatekeeperStatusCode::STATUS_REENROLL /* reenroll */);
} else if (rsp.code == GatekeeperStatusCode::ERROR_RETRY_TIMEOUT) {
*gkResponse = GKResponse::retry(rsp.timeout);
} else {
@@ -292,9 +358,14 @@
}
});
- if (!hwRes.isOk()) {
- LOG(ERROR) << "verify transaction failed";
- return GK_ERROR;
+ if (!hwRes.isOk()) {
+ LOG(ERROR) << "verify transaction failed";
+ return GK_ERROR;
+ }
+ const gatekeeper::password_handle_t* handle =
+ reinterpret_cast<const gatekeeper::password_handle_t*>(
+ enrolledPasswordHandle.data());
+ secureUserId = handle->user_id;
}
if (gkResponse->response_code() == GKResponseCode::OK) {
@@ -333,7 +404,7 @@
}
}
- maybe_store_sid(userId, handle->user_id);
+ maybe_store_sid(userId, secureUserId);
}
return Status::ok();
@@ -354,8 +425,10 @@
}
clear_sid(userId);
- if (hw_device) {
- uint32_t hw_userId = adjust_userId(userId);
+ uint32_t hw_userId = adjust_userId(userId);
+ if (aidl_hw_device) {
+ aidl_hw_device->deleteUser(hw_userId);
+ } else if (hw_device) {
hw_device->deleteUser(hw_userId, [](const GatekeeperResponse&) {});
}
return Status::ok();
@@ -382,7 +455,7 @@
return PERMISSION_DENIED;
}
- if (hw_device == NULL) {
+ if (aidl_hw_device == nullptr && hw_device == nullptr) {
const char* result = "Device not available";
write(fd, result, strlen(result) + 1);
} else {
@@ -394,6 +467,9 @@
}
private:
+ // AIDL gatekeeper service.
+ std::shared_ptr<AidlIGatekeeper> aidl_hw_device;
+ // HIDL gatekeeper service.
sp<IGatekeeper> hw_device;
bool clear_state_if_needed_done;
@@ -414,8 +490,8 @@
android::sp<android::IServiceManager> sm = android::defaultServiceManager();
android::sp<android::GateKeeperProxy> proxy = new android::GateKeeperProxy();
- android::status_t ret = sm->addService(
- android::String16("android.service.gatekeeper.IGateKeeperService"), proxy);
+ android::status_t ret =
+ sm->addService(android::String16("android.service.gatekeeper.IGateKeeperService"), proxy);
if (ret != android::OK) {
ALOGE("Couldn't register binder service!");
return -1;
diff --git a/healthd/Android.bp b/healthd/Android.bp
index f180006..235303f 100644
--- a/healthd/Android.bp
+++ b/healthd/Android.bp
@@ -2,18 +2,8 @@
default_applicable_licenses: ["Android-Apache-2.0"],
}
-cc_library_headers {
- name: "libhealthd_headers",
- vendor_available: true,
- recovery_available: true,
- export_include_dirs: ["include"],
- header_libs: ["libbatteryservice_headers"],
- export_header_lib_headers: ["libbatteryservice_headers"],
-}
-
-cc_library_static {
- name: "libbatterymonitor",
- srcs: ["BatteryMonitor.cpp"],
+cc_defaults {
+ name: "libbatterymonitor_defaults",
cflags: ["-Wall", "-Werror"],
vendor_available: true,
recovery_available: true,
@@ -25,15 +15,89 @@
// Need HealthInfo definition from headers of these shared
// libraries. Clients don't need to link to these.
"android.hardware.health@2.1",
- "android.hardware.health-V1-ndk",
+ ],
+ header_libs: ["libhealthd_headers"],
+ export_header_lib_headers: ["libhealthd_headers"],
+}
+
+cc_defaults {
+ name: "libhealthd_charger_ui_defaults",
+ vendor_available: true,
+ export_include_dirs: [
+ "include",
+ "include_charger",
+ ],
+
+ static_libs: [
+ "libcharger_sysprop",
+ "libhealthd_draw",
+ "libhealthloop",
+ "libminui",
+ ],
+
+ shared_libs: [
+ "libbase",
+ "libcutils",
+ "liblog",
+ "libpng",
+ "libsuspend",
+ "libutils",
+ ],
+
+ header_libs: [
+ "libhealthd_headers",
+ ],
+
+ srcs: [
+ "healthd_mode_charger.cpp",
+ "AnimationParser.cpp",
+ ],
+
+ target: {
+ vendor: {
+ exclude_static_libs: [
+ "libcharger_sysprop",
+ ],
+ },
+ },
+}
+
+cc_library_headers {
+ name: "libhealthd_headers",
+ vendor_available: true,
+ recovery_available: true,
+ export_include_dirs: ["include"],
+ header_libs: ["libbatteryservice_headers"],
+ export_header_lib_headers: ["libbatteryservice_headers"],
+}
+
+cc_library_static {
+ name: "libbatterymonitor",
+ defaults: ["libbatterymonitor_defaults"],
+ srcs: ["BatteryMonitor.cpp"],
+ static_libs: [
+ "android.hardware.health-V2-ndk",
],
whole_static_libs: [
// Need to translate HIDL to AIDL to support legacy APIs in
// BatteryMonitor.
"android.hardware.health-translate-ndk",
],
- header_libs: ["libhealthd_headers"],
- export_header_lib_headers: ["libhealthd_headers"],
+}
+
+// TODO(b/251425963): remove when android.hardware.health is upgraded to V2.
+cc_library_static {
+ name: "libbatterymonitor-V1",
+ defaults: ["libbatterymonitor_defaults"],
+ srcs: ["BatteryMonitor_v1.cpp"],
+ static_libs: [
+ "android.hardware.health-V1-ndk",
+ ],
+ whole_static_libs: [
+ // Need to translate HIDL to AIDL to support legacy APIs in
+ // BatteryMonitor.
+ "android.hardware.health-translate-V1-ndk",
+ ],
}
cc_defaults {
@@ -136,50 +200,31 @@
cc_library_static {
name: "libhealthd_charger_ui",
- vendor_available: true,
- export_include_dirs: [
- "include",
- "include_charger",
+ defaults: ["libhealthd_charger_ui_defaults"],
+
+ static_libs: [
+ "android.hardware.health-V2-ndk",
+ "android.hardware.health-translate-ndk",
],
+ export_static_lib_headers: [
+ "android.hardware.health-V2-ndk",
+ ],
+}
+
+// TODO(b/251425963): remove when android.hardware.health is upgraded to V2.
+cc_library_static {
+ name: "libhealthd_charger_ui-V1",
+ defaults: ["libhealthd_charger_ui_defaults"],
+
static_libs: [
"android.hardware.health-V1-ndk",
- "android.hardware.health-translate-ndk",
- "libcharger_sysprop",
- "libhealthd_draw",
- "libhealthloop",
- "libminui",
- ],
-
- shared_libs: [
- "libbase",
- "libcutils",
- "liblog",
- "libpng",
- "libsuspend",
- "libutils",
- ],
-
- header_libs: [
- "libhealthd_headers",
+ "android.hardware.health-translate-V1-ndk",
],
export_static_lib_headers: [
"android.hardware.health-V1-ndk",
],
-
- srcs: [
- "healthd_mode_charger.cpp",
- "AnimationParser.cpp",
- ],
-
- target: {
- vendor: {
- exclude_static_libs: [
- "libcharger_sysprop",
- ],
- },
- },
}
cc_library_static {
@@ -235,7 +280,7 @@
static_libs: [
// common
"android.hardware.health@1.0-convert",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libbatterymonitor",
"libcharger_sysprop",
"libhealthd_charger_nops",
@@ -342,20 +387,20 @@
],
}
-// /vendor/etc/res/images/charger/battery_fail.png
+// /vendor/etc/res/images/default/charger/battery_fail.png
prebuilt_etc {
name: "system_core_charger_res_images_battery_fail.png_default_vendor",
src: "images/battery_fail.png",
- relative_install_path: "res/images/charger/default",
+ relative_install_path: "res/images/default/charger",
vendor: true,
filename: "battery_fail.png",
}
-// /vendor/etc/res/images/charger/battery_scale.png
+// /vendor/etc/res/images/default/charger/battery_scale.png
prebuilt_etc {
name: "system_core_charger_res_images_battery_scale.png_default_vendor",
src: "images/battery_scale.png",
- relative_install_path: "res/images/charger/default",
+ relative_install_path: "res/images/default/charger",
vendor: true,
filename: "battery_scale.png",
}
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index a7571a2..4ea452a 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -55,7 +55,10 @@
using HealthInfo_2_0 = android::hardware::health::V2_0::HealthInfo;
using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
using aidl::android::hardware::health::BatteryCapacityLevel;
+using aidl::android::hardware::health::BatteryChargingPolicy;
+using aidl::android::hardware::health::BatteryChargingState;
using aidl::android::hardware::health::BatteryHealth;
+using aidl::android::hardware::health::BatteryHealthData;
using aidl::android::hardware::health::BatteryStatus;
using aidl::android::hardware::health::HealthInfo;
@@ -227,6 +230,37 @@
return *ret;
}
+BatteryChargingPolicy getBatteryChargingPolicy(const char* chargingPolicy) {
+ static SysfsStringEnumMap<BatteryChargingPolicy> batteryChargingPolicyMap[] = {
+ {"0", BatteryChargingPolicy::INVALID}, {"1", BatteryChargingPolicy::DEFAULT},
+ {"2", BatteryChargingPolicy::LONG_LIFE}, {"3", BatteryChargingPolicy::ADAPTIVE},
+ {NULL, BatteryChargingPolicy::DEFAULT},
+ };
+
+ auto ret = mapSysfsString(chargingPolicy, batteryChargingPolicyMap);
+ if (!ret) {
+ *ret = BatteryChargingPolicy::DEFAULT;
+ }
+
+ return *ret;
+}
+
+BatteryChargingState getBatteryChargingState(const char* chargingState) {
+ static SysfsStringEnumMap<BatteryChargingState> batteryChargingStateMap[] = {
+ {"0", BatteryChargingState::INVALID}, {"1", BatteryChargingState::NORMAL},
+ {"2", BatteryChargingState::TOO_COLD}, {"3", BatteryChargingState::TOO_HOT},
+ {"4", BatteryChargingState::LONG_LIFE}, {"5", BatteryChargingState::ADAPTIVE},
+ {NULL, BatteryChargingState::NORMAL},
+ };
+
+ auto ret = mapSysfsString(chargingState, batteryChargingStateMap);
+ if (!ret) {
+ *ret = BatteryChargingState::NORMAL;
+ }
+
+ return *ret;
+}
+
static int readFromFile(const String8& path, std::string* buf) {
buf->clear();
if (android::base::ReadFileToString(path.c_str(), buf)) {
@@ -235,6 +269,10 @@
return buf->length();
}
+static bool writeToFile(const String8& path, int32_t in_value) {
+ return android::base::WriteStringToFile(std::to_string(in_value), path.c_str());
+}
+
static BatteryMonitor::PowerSupplyType readPowerSupplyType(const String8& path) {
static SysfsStringEnumMap<int> supplyTypeMap[] = {
{"Unknown", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN},
@@ -336,6 +374,17 @@
mHealthInfo->batteryFullChargeDesignCapacityUah =
getIntField(mHealthdConfig->batteryFullChargeDesignCapacityUahPath);
+ if (!mHealthdConfig->batteryStateOfHealthPath.isEmpty())
+ mHealthInfo->batteryStateOfHealth = getIntField(mHealthdConfig->batteryStateOfHealthPath);
+
+ if (!mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ mHealthInfo->batteryHealthData->batteryManufacturingDateSeconds =
+ getIntField(mHealthdConfig->batteryManufacturingDatePath);
+
+ if (!mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ mHealthInfo->batteryHealthData->batteryFirstUsageSeconds =
+ getIntField(mHealthdConfig->batteryFirstUsageDatePath);
+
mHealthInfo->batteryTemperatureTenthsCelsius =
mBatteryFixedTemperature ? mBatteryFixedTemperature
: getIntField(mHealthdConfig->batteryTemperaturePath);
@@ -354,6 +403,12 @@
if (readFromFile(mHealthdConfig->batteryTechnologyPath, &buf) > 0)
mHealthInfo->batteryTechnology = String8(buf.c_str());
+ if (readFromFile(mHealthdConfig->chargingPolicyPath, &buf) > 0)
+ mHealthInfo->chargingPolicy = getBatteryChargingPolicy(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->chargingStatePath, &buf) > 0)
+ mHealthInfo->chargingState = getBatteryChargingState(buf.c_str());
+
double MaxPower = 0;
for (size_t i = 0; i < mChargerNames.size(); i++) {
@@ -476,6 +531,43 @@
return static_cast<int>(result);
}
+status_t BatteryMonitor::setChargingPolicy(int value) {
+ status_t ret = NAME_NOT_FOUND;
+ bool result;
+ if (!mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ result = writeToFile(mHealthdConfig->chargingPolicyPath, value);
+ if (!result) {
+ KLOG_WARNING(LOG_TAG, "setChargingPolicy fail\n");
+ ret = BAD_VALUE;
+ } else {
+ ret = OK;
+ }
+ }
+ return ret;
+}
+
+int BatteryMonitor::getChargingPolicy() {
+ BatteryChargingPolicy result = BatteryChargingPolicy::DEFAULT;
+ if (!mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ std::string buf;
+ if (readFromFile(mHealthdConfig->chargingPolicyPath, &buf) > 0)
+ result = getBatteryChargingPolicy(buf.c_str());
+ }
+ return static_cast<int>(result);
+}
+
+int BatteryMonitor::getBatteryHealthData(int id) {
+ if (id == BATTERY_PROP_MANUFACTURING_DATE) {
+ if (!mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ return getIntField(mHealthdConfig->batteryManufacturingDatePath);
+ }
+ if (id == BATTERY_PROP_FIRST_USAGE_DATE) {
+ if (!mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ return getIntField(mHealthdConfig->batteryFirstUsageDatePath);
+ }
+ return 0;
+}
+
status_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) {
status_t ret = BAD_VALUE;
std::string buf;
@@ -536,6 +628,21 @@
ret = OK;
break;
+ case BATTERY_PROP_CHARGING_POLICY:
+ val->valueInt64 = getChargingPolicy();
+ ret = OK;
+ break;
+
+ case BATTERY_PROP_MANUFACTURING_DATE:
+ val->valueInt64 = getBatteryHealthData(BATTERY_PROP_MANUFACTURING_DATE);
+ ret = OK;
+ break;
+
+ case BATTERY_PROP_FIRST_USAGE_DATE:
+ val->valueInt64 = getBatteryHealthData(BATTERY_PROP_FIRST_USAGE_DATE);
+ ret = OK;
+ break;
+
default:
break;
}
@@ -758,6 +865,44 @@
mHealthdConfig->batteryTechnologyPath = path;
}
+ if (mHealthdConfig->batteryStateOfHealthPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/state_of_health", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryStateOfHealthPath = path;
+ } else {
+ path.clear();
+ path.appendFormat("%s/%s/health_index", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryStateOfHealthPath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryManufacturingDatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/manufacturing_date", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryManufacturingDatePath = path;
+ }
+
+ if (mHealthdConfig->batteryFirstUsageDatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/first_usage_date", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->batteryFirstUsageDatePath = path;
+ }
+
+ if (mHealthdConfig->chargingStatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charging_state", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->chargingStatePath = path;
+ }
+
+ if (mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charging_policy", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->chargingPolicyPath = path;
+ }
+
break;
case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
@@ -810,6 +955,16 @@
KLOG_WARNING(LOG_TAG, "batteryChargeTimeToFullNowPath. not found\n");
if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
KLOG_WARNING(LOG_TAG, "batteryFullChargeDesignCapacityUahPath. not found\n");
+ if (mHealthdConfig->batteryStateOfHealthPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryStateOfHealthPath not found\n");
+ if (mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryManufacturingDatePath not found\n");
+ if (mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryFirstUsageDatePath not found\n");
+ if (mHealthdConfig->chargingStatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "chargingStatePath not found\n");
+ if (mHealthdConfig->chargingPolicyPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "chargingPolicyPath not found\n");
}
if (property_get("ro.boot.fake_battery", pval, NULL) > 0
diff --git a/healthd/BatteryMonitor_v1.cpp b/healthd/BatteryMonitor_v1.cpp
new file mode 100644
index 0000000..b87c493
--- /dev/null
+++ b/healthd/BatteryMonitor_v1.cpp
@@ -0,0 +1,822 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "healthd"
+
+#include <healthd/healthd.h>
+#include <healthd/BatteryMonitor_v1.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <memory>
+#include <optional>
+
+#include <aidl/android/hardware/health/HealthInfo.h>
+#include <android-base/file.h>
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+#include <android/hardware/health/2.1/types.h>
+#include <android/hardware/health/translate-ndk.h>
+#include <batteryservice/BatteryService.h>
+#include <cutils/klog.h>
+#include <cutils/properties.h>
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#define POWER_SUPPLY_SUBSYSTEM "power_supply"
+#define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM
+#define FAKE_BATTERY_CAPACITY 42
+#define FAKE_BATTERY_TEMPERATURE 424
+#define MILLION 1.0e6
+#define DEFAULT_VBUS_VOLTAGE 5000000
+
+using HealthInfo_1_0 = android::hardware::health::V1_0::HealthInfo;
+using HealthInfo_2_0 = android::hardware::health::V2_0::HealthInfo;
+using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
+using aidl::android::hardware::health::BatteryCapacityLevel;
+using aidl::android::hardware::health::BatteryHealth;
+using aidl::android::hardware::health::BatteryStatus;
+using aidl::android::hardware::health::HealthInfo;
+
+namespace {
+
+// Translate from AIDL back to HIDL definition for getHealthInfo_*_* calls.
+// Skips storageInfo and diskStats.
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V1_0::HealthInfo* out) {
+ out->chargerAcOnline = in.chargerAcOnline;
+ out->chargerUsbOnline = in.chargerUsbOnline;
+ out->chargerWirelessOnline = in.chargerWirelessOnline;
+ out->maxChargingCurrent = in.maxChargingCurrentMicroamps;
+ out->maxChargingVoltage = in.maxChargingVoltageMicrovolts;
+ out->batteryStatus =
+ static_cast<::android::hardware::health::V1_0::BatteryStatus>(in.batteryStatus);
+ out->batteryHealth =
+ static_cast<::android::hardware::health::V1_0::BatteryHealth>(in.batteryHealth);
+ out->batteryPresent = in.batteryPresent;
+ out->batteryLevel = in.batteryLevel;
+ out->batteryVoltage = in.batteryVoltageMillivolts;
+ out->batteryTemperature = in.batteryTemperatureTenthsCelsius;
+ out->batteryCurrent = in.batteryCurrentMicroamps;
+ out->batteryCycleCount = in.batteryCycleCount;
+ out->batteryFullCharge = in.batteryFullChargeUah;
+ out->batteryChargeCounter = in.batteryChargeCounterUah;
+ out->batteryTechnology = in.batteryTechnology;
+}
+
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V2_0::HealthInfo* out) {
+ translateToHidl(in, &out->legacy);
+ out->batteryCurrentAverage = in.batteryCurrentAverageMicroamps;
+ // Skip storageInfo and diskStats
+}
+
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V2_1::HealthInfo* out) {
+ translateToHidl(in, &out->legacy);
+ out->batteryCapacityLevel = static_cast<android::hardware::health::V2_1::BatteryCapacityLevel>(
+ in.batteryCapacityLevel);
+ out->batteryChargeTimeToFullNowSeconds = in.batteryChargeTimeToFullNowSeconds;
+ out->batteryFullChargeDesignCapacityUah = in.batteryFullChargeDesignCapacityUah;
+}
+
+} // namespace
+
+namespace android {
+
+template <typename T>
+struct SysfsStringEnumMap {
+ const char* s;
+ T val;
+};
+
+template <typename T>
+static std::optional<T> mapSysfsString(const char* str, SysfsStringEnumMap<T> map[]) {
+ for (int i = 0; map[i].s; i++)
+ if (!strcmp(str, map[i].s))
+ return map[i].val;
+
+ return std::nullopt;
+}
+
+static void initHealthInfo(HealthInfo* health_info) {
+ *health_info = {
+ .batteryCapacityLevel = BatteryCapacityLevel::UNSUPPORTED,
+ .batteryChargeTimeToFullNowSeconds =
+ (int64_t)HealthInfo::BATTERY_CHARGE_TIME_TO_FULL_NOW_SECONDS_UNSUPPORTED,
+ .batteryStatus = BatteryStatus::UNKNOWN,
+ .batteryHealth = BatteryHealth::UNKNOWN,
+ };
+}
+
+BatteryMonitor::BatteryMonitor()
+ : mHealthdConfig(nullptr),
+ mBatteryDevicePresent(false),
+ mBatteryFixedCapacity(0),
+ mBatteryFixedTemperature(0),
+ mHealthInfo(std::make_unique<HealthInfo>()) {
+ initHealthInfo(mHealthInfo.get());
+}
+
+BatteryMonitor::~BatteryMonitor() {}
+
+HealthInfo_1_0 BatteryMonitor::getHealthInfo_1_0() const {
+ HealthInfo_1_0 health_info_1_0;
+ translateToHidl(*mHealthInfo, &health_info_1_0);
+ return health_info_1_0;
+}
+
+HealthInfo_2_0 BatteryMonitor::getHealthInfo_2_0() const {
+ HealthInfo_2_0 health_info_2_0;
+ translateToHidl(*mHealthInfo, &health_info_2_0);
+ return health_info_2_0;
+}
+
+HealthInfo_2_1 BatteryMonitor::getHealthInfo_2_1() const {
+ HealthInfo_2_1 health_info_2_1;
+ translateToHidl(*mHealthInfo, &health_info_2_1);
+ return health_info_2_1;
+}
+
+const HealthInfo& BatteryMonitor::getHealthInfo() const {
+ return *mHealthInfo;
+}
+
+BatteryStatus getBatteryStatus(const char* status) {
+ static SysfsStringEnumMap<BatteryStatus> batteryStatusMap[] = {
+ {"Unknown", BatteryStatus::UNKNOWN},
+ {"Charging", BatteryStatus::CHARGING},
+ {"Discharging", BatteryStatus::DISCHARGING},
+ {"Not charging", BatteryStatus::NOT_CHARGING},
+ {"Full", BatteryStatus::FULL},
+ {NULL, BatteryStatus::UNKNOWN},
+ };
+
+ auto ret = mapSysfsString(status, batteryStatusMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status);
+ *ret = BatteryStatus::UNKNOWN;
+ }
+
+ return *ret;
+}
+
+BatteryCapacityLevel getBatteryCapacityLevel(const char* capacityLevel) {
+ static SysfsStringEnumMap<BatteryCapacityLevel> batteryCapacityLevelMap[] = {
+ {"Unknown", BatteryCapacityLevel::UNKNOWN},
+ {"Critical", BatteryCapacityLevel::CRITICAL},
+ {"Low", BatteryCapacityLevel::LOW},
+ {"Normal", BatteryCapacityLevel::NORMAL},
+ {"High", BatteryCapacityLevel::HIGH},
+ {"Full", BatteryCapacityLevel::FULL},
+ {NULL, BatteryCapacityLevel::UNSUPPORTED},
+ };
+
+ auto ret = mapSysfsString(capacityLevel, batteryCapacityLevelMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unsupported battery capacity level '%s'\n", capacityLevel);
+ *ret = BatteryCapacityLevel::UNSUPPORTED;
+ }
+
+ return *ret;
+}
+
+BatteryHealth getBatteryHealth(const char* status) {
+ static SysfsStringEnumMap<BatteryHealth> batteryHealthMap[] = {
+ {"Unknown", BatteryHealth::UNKNOWN},
+ {"Good", BatteryHealth::GOOD},
+ {"Overheat", BatteryHealth::OVERHEAT},
+ {"Dead", BatteryHealth::DEAD},
+ {"Over voltage", BatteryHealth::OVER_VOLTAGE},
+ {"Unspecified failure", BatteryHealth::UNSPECIFIED_FAILURE},
+ {"Cold", BatteryHealth::COLD},
+ // battery health values from JEITA spec
+ {"Warm", BatteryHealth::GOOD},
+ {"Cool", BatteryHealth::GOOD},
+ {"Hot", BatteryHealth::OVERHEAT},
+ {NULL, BatteryHealth::UNKNOWN},
+ };
+
+ auto ret = mapSysfsString(status, batteryHealthMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status);
+ *ret = BatteryHealth::UNKNOWN;
+ }
+
+ return *ret;
+}
+
+static int readFromFile(const String8& path, std::string* buf) {
+ buf->clear();
+ if (android::base::ReadFileToString(path.c_str(), buf)) {
+ *buf = android::base::Trim(*buf);
+ }
+ return buf->length();
+}
+
+static BatteryMonitor::PowerSupplyType readPowerSupplyType(const String8& path) {
+ static SysfsStringEnumMap<int> supplyTypeMap[] = {
+ {"Unknown", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN},
+ {"Battery", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_BATTERY},
+ {"UPS", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"Mains", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
+ {"USB_DCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_HVDCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_CDP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_ACA", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_C", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_PD", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_PD_DRP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
+ {"Wireless", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_WIRELESS},
+ {"Dock", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_DOCK},
+ {NULL, 0},
+ };
+ std::string buf;
+
+ if (readFromFile(path, &buf) <= 0) {
+ return BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
+ }
+
+ auto ret = mapSysfsString(buf.c_str(), supplyTypeMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown power supply type '%s'\n", buf.c_str());
+ *ret = BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
+ }
+
+ return static_cast<BatteryMonitor::PowerSupplyType>(*ret);
+}
+
+static bool getBooleanField(const String8& path) {
+ std::string buf;
+ bool value = false;
+
+ if (readFromFile(path, &buf) > 0)
+ if (buf[0] != '0')
+ value = true;
+
+ return value;
+}
+
+static int getIntField(const String8& path) {
+ std::string buf;
+ int value = 0;
+
+ if (readFromFile(path, &buf) > 0)
+ android::base::ParseInt(buf, &value);
+
+ return value;
+}
+
+static bool isScopedPowerSupply(const char* name) {
+ constexpr char kScopeDevice[] = "Device";
+
+ String8 path;
+ path.appendFormat("%s/%s/scope", POWER_SUPPLY_SYSFS_PATH, name);
+ std::string scope;
+ return (readFromFile(path, &scope) > 0 && scope == kScopeDevice);
+}
+
+void BatteryMonitor::updateValues(void) {
+ initHealthInfo(mHealthInfo.get());
+
+ if (!mHealthdConfig->batteryPresentPath.isEmpty())
+ mHealthInfo->batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
+ else
+ mHealthInfo->batteryPresent = mBatteryDevicePresent;
+
+ mHealthInfo->batteryLevel = mBatteryFixedCapacity
+ ? mBatteryFixedCapacity
+ : getIntField(mHealthdConfig->batteryCapacityPath);
+ mHealthInfo->batteryVoltageMillivolts = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
+ mHealthInfo->batteryCurrentMicroamps = getIntField(mHealthdConfig->batteryCurrentNowPath);
+
+ if (!mHealthdConfig->batteryFullChargePath.isEmpty())
+ mHealthInfo->batteryFullChargeUah = getIntField(mHealthdConfig->batteryFullChargePath);
+
+ if (!mHealthdConfig->batteryCycleCountPath.isEmpty())
+ mHealthInfo->batteryCycleCount = getIntField(mHealthdConfig->batteryCycleCountPath);
+
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty())
+ mHealthInfo->batteryChargeCounterUah =
+ getIntField(mHealthdConfig->batteryChargeCounterPath);
+
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty())
+ mHealthInfo->batteryCurrentAverageMicroamps =
+ getIntField(mHealthdConfig->batteryCurrentAvgPath);
+
+ if (!mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
+ mHealthInfo->batteryChargeTimeToFullNowSeconds =
+ getIntField(mHealthdConfig->batteryChargeTimeToFullNowPath);
+
+ if (!mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
+ mHealthInfo->batteryFullChargeDesignCapacityUah =
+ getIntField(mHealthdConfig->batteryFullChargeDesignCapacityUahPath);
+
+ mHealthInfo->batteryTemperatureTenthsCelsius =
+ mBatteryFixedTemperature ? mBatteryFixedTemperature
+ : getIntField(mHealthdConfig->batteryTemperaturePath);
+
+ std::string buf;
+
+ if (readFromFile(mHealthdConfig->batteryCapacityLevelPath, &buf) > 0)
+ mHealthInfo->batteryCapacityLevel = getBatteryCapacityLevel(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
+ mHealthInfo->batteryStatus = getBatteryStatus(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryHealthPath, &buf) > 0)
+ mHealthInfo->batteryHealth = getBatteryHealth(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryTechnologyPath, &buf) > 0)
+ mHealthInfo->batteryTechnology = String8(buf.c_str());
+
+ double MaxPower = 0;
+
+ for (size_t i = 0; i < mChargerNames.size(); i++) {
+ String8 path;
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ if (getIntField(path)) {
+ path.clear();
+ path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ switch(readPowerSupplyType(path)) {
+ case ANDROID_POWER_SUPPLY_TYPE_AC:
+ mHealthInfo->chargerAcOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_USB:
+ mHealthInfo->chargerUsbOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
+ mHealthInfo->chargerWirelessOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_DOCK:
+ mHealthInfo->chargerDockOnline = true;
+ break;
+ default:
+ path.clear();
+ path.appendFormat("%s/%s/is_dock", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ if (access(path.string(), R_OK) == 0)
+ mHealthInfo->chargerDockOnline = true;
+ else
+ KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
+ mChargerNames[i].string());
+ }
+ path.clear();
+ path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ int ChargingCurrent =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) : 0;
+
+ path.clear();
+ path.appendFormat("%s/%s/voltage_max", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+
+ int ChargingVoltage =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) :
+ DEFAULT_VBUS_VOLTAGE;
+
+ double power = ((double)ChargingCurrent / MILLION) *
+ ((double)ChargingVoltage / MILLION);
+ if (MaxPower < power) {
+ mHealthInfo->maxChargingCurrentMicroamps = ChargingCurrent;
+ mHealthInfo->maxChargingVoltageMicrovolts = ChargingVoltage;
+ MaxPower = power;
+ }
+ }
+ }
+}
+
+static void doLogValues(const HealthInfo& props, const struct healthd_config& healthd_config) {
+ char dmesgline[256];
+ size_t len;
+ if (props.batteryPresent) {
+ snprintf(dmesgline, sizeof(dmesgline), "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
+ props.batteryLevel, props.batteryVoltageMillivolts,
+ props.batteryTemperatureTenthsCelsius < 0 ? "-" : "",
+ abs(props.batteryTemperatureTenthsCelsius / 10),
+ abs(props.batteryTemperatureTenthsCelsius % 10), props.batteryHealth,
+ props.batteryStatus);
+
+ len = strlen(dmesgline);
+ if (!healthd_config.batteryCurrentNowPath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " c=%d",
+ props.batteryCurrentMicroamps);
+ }
+
+ if (!healthd_config.batteryFullChargePath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " fc=%d",
+ props.batteryFullChargeUah);
+ }
+
+ if (!healthd_config.batteryCycleCountPath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " cc=%d",
+ props.batteryCycleCount);
+ }
+ } else {
+ len = snprintf(dmesgline, sizeof(dmesgline), "battery none");
+ }
+
+ snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s%s",
+ props.chargerAcOnline ? "a" : "", props.chargerUsbOnline ? "u" : "",
+ props.chargerWirelessOnline ? "w" : "", props.chargerDockOnline ? "d" : "");
+
+ KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
+}
+
+void BatteryMonitor::logValues(const HealthInfo_2_1& health_info,
+ const struct healthd_config& healthd_config) {
+ HealthInfo aidl_health_info;
+ (void)android::h2a::translate(health_info, &aidl_health_info);
+ doLogValues(aidl_health_info, healthd_config);
+}
+
+void BatteryMonitor::logValues(void) {
+ doLogValues(*mHealthInfo, *mHealthdConfig);
+}
+
+bool BatteryMonitor::isChargerOnline() {
+ const HealthInfo& props = *mHealthInfo;
+ return props.chargerAcOnline | props.chargerUsbOnline | props.chargerWirelessOnline |
+ props.chargerDockOnline;
+}
+
+int BatteryMonitor::getChargeStatus() {
+ BatteryStatus result = BatteryStatus::UNKNOWN;
+ if (!mHealthdConfig->batteryStatusPath.isEmpty()) {
+ std::string buf;
+ if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
+ result = getBatteryStatus(buf.c_str());
+ }
+ return static_cast<int>(result);
+}
+
+status_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) {
+ status_t ret = BAD_VALUE;
+ std::string buf;
+
+ val->valueInt64 = LONG_MIN;
+
+ switch(id) {
+ case BATTERY_PROP_CHARGE_COUNTER:
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryChargeCounterPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CURRENT_NOW:
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCurrentNowPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CURRENT_AVG:
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCurrentAvgPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CAPACITY:
+ if (!mHealthdConfig->batteryCapacityPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCapacityPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_ENERGY_COUNTER:
+ if (mHealthdConfig->energyCounter) {
+ ret = mHealthdConfig->energyCounter(&val->valueInt64);
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_BATTERY_STATUS:
+ val->valueInt64 = getChargeStatus();
+ ret = OK;
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+void BatteryMonitor::dumpState(int fd) {
+ int v;
+ char vs[128];
+ const HealthInfo& props = *mHealthInfo;
+
+ snprintf(vs, sizeof(vs),
+ "ac: %d usb: %d wireless: %d dock: %d current_max: %d voltage_max: %d\n",
+ props.chargerAcOnline, props.chargerUsbOnline, props.chargerWirelessOnline,
+ props.chargerDockOnline, props.maxChargingCurrentMicroamps,
+ props.maxChargingVoltageMicrovolts);
+ write(fd, vs, strlen(vs));
+ snprintf(vs, sizeof(vs), "status: %d health: %d present: %d\n",
+ props.batteryStatus, props.batteryHealth, props.batteryPresent);
+ write(fd, vs, strlen(vs));
+ snprintf(vs, sizeof(vs), "level: %d voltage: %d temp: %d\n", props.batteryLevel,
+ props.batteryVoltageMillivolts, props.batteryTemperatureTenthsCelsius);
+ write(fd, vs, strlen(vs));
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryCurrentNowPath);
+ snprintf(vs, sizeof(vs), "current now: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryCurrentAvgPath);
+ snprintf(vs, sizeof(vs), "current avg: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryChargeCounterPath);
+ snprintf(vs, sizeof(vs), "charge counter: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "current now: %d\n", props.batteryCurrentMicroamps);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "cycle count: %d\n", props.batteryCycleCount);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "Full charge: %d\n", props.batteryFullChargeUah);
+ write(fd, vs, strlen(vs));
+ }
+}
+
+void BatteryMonitor::init(struct healthd_config *hc) {
+ String8 path;
+ char pval[PROPERTY_VALUE_MAX];
+
+ mHealthdConfig = hc;
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(POWER_SUPPLY_SYSFS_PATH), closedir);
+ if (dir == NULL) {
+ KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
+ } else {
+ struct dirent* entry;
+
+ while ((entry = readdir(dir.get()))) {
+ const char* name = entry->d_name;
+
+ if (!strcmp(name, ".") || !strcmp(name, ".."))
+ continue;
+
+ std::vector<String8>::iterator itIgnoreName =
+ find(hc->ignorePowerSupplyNames.begin(), hc->ignorePowerSupplyNames.end(),
+ String8(name));
+ if (itIgnoreName != hc->ignorePowerSupplyNames.end())
+ continue;
+
+ // Look for "type" file in each subdirectory
+ path.clear();
+ path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
+ switch(readPowerSupplyType(path)) {
+ case ANDROID_POWER_SUPPLY_TYPE_AC:
+ case ANDROID_POWER_SUPPLY_TYPE_USB:
+ case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
+ case ANDROID_POWER_SUPPLY_TYPE_DOCK:
+ path.clear();
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0)
+ mChargerNames.add(String8(name));
+ break;
+
+ case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
+ // Some devices expose the battery status of sub-component like
+ // stylus. Such a device-scoped battery info needs to be skipped
+ // in BatteryMonitor, which is intended to report the status of
+ // the battery supplying the power to the whole system.
+ if (isScopedPowerSupply(name)) continue;
+ mBatteryDevicePresent = true;
+
+ if (mHealthdConfig->batteryStatusPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryStatusPath = path;
+ }
+
+ if (mHealthdConfig->batteryHealthPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryHealthPath = path;
+ }
+
+ if (mHealthdConfig->batteryPresentPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryPresentPath = path;
+ }
+
+ if (mHealthdConfig->batteryCapacityPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCapacityPath = path;
+ }
+
+ if (mHealthdConfig->batteryVoltagePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/voltage_now",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryVoltagePath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryFullChargePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_full",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryFullChargePath = path;
+ }
+
+ if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/current_now",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCurrentNowPath = path;
+ }
+
+ if (mHealthdConfig->batteryCycleCountPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/cycle_count",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCycleCountPath = path;
+ }
+
+ if (mHealthdConfig->batteryCapacityLevelPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/capacity_level", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->batteryCapacityLevelPath = path;
+ }
+
+ if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/time_to_full_now", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryChargeTimeToFullNowPath = path;
+ }
+
+ if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_full_design", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryFullChargeDesignCapacityUahPath = path;
+ }
+
+ if (mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/current_avg",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCurrentAvgPath = path;
+ }
+
+ if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_counter",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryChargeCounterPath = path;
+ }
+
+ if (mHealthdConfig->batteryTemperaturePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryTemperaturePath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryTechnologyPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/technology",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryTechnologyPath = path;
+ }
+
+ break;
+
+ case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
+ break;
+ }
+
+ // Look for "is_dock" file
+ path.clear();
+ path.appendFormat("%s/%s/is_dock", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0) {
+ path.clear();
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0)
+ mChargerNames.add(String8(name));
+
+ }
+ }
+ }
+
+ // Typically the case for devices which do not have a battery and
+ // and are always plugged into AC mains.
+ if (!mBatteryDevicePresent) {
+ KLOG_WARNING(LOG_TAG, "No battery devices found\n");
+ hc->periodic_chores_interval_fast = -1;
+ hc->periodic_chores_interval_slow = -1;
+ } else {
+ if (mHealthdConfig->batteryStatusPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n");
+ if (mHealthdConfig->batteryHealthPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n");
+ if (mHealthdConfig->batteryPresentPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n");
+ if (mHealthdConfig->batteryCapacityPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n");
+ if (mHealthdConfig->batteryVoltagePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n");
+ if (mHealthdConfig->batteryTemperaturePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
+ if (mHealthdConfig->batteryTechnologyPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");
+ if (mHealthdConfig->batteryCurrentNowPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCurrentNowPath not found\n");
+ if (mHealthdConfig->batteryFullChargePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryFullChargePath not found\n");
+ if (mHealthdConfig->batteryCycleCountPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCycleCountPath not found\n");
+ if (mHealthdConfig->batteryCapacityLevelPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryCapacityLevelPath not found\n");
+ if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryChargeTimeToFullNowPath. not found\n");
+ if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryFullChargeDesignCapacityUahPath. not found\n");
+ }
+
+ if (property_get("ro.boot.fake_battery", pval, NULL) > 0
+ && strtol(pval, NULL, 10) != 0) {
+ mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY;
+ mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;
+ }
+}
+
+}; // namespace android
diff --git a/healthd/healthd_draw.cpp b/healthd/healthd_draw.cpp
index 3e73fcd..7c79319 100644
--- a/healthd/healthd_draw.cpp
+++ b/healthd/healthd_draw.cpp
@@ -99,7 +99,7 @@
gr_fb_blank(blank, drm);
}
-/* support screen rotation for foldable phone */
+// support screen rotation for foldable phone
void HealthdDraw::rotate_screen(int drm) {
if (!graphics_available) return;
if (drm == 0)
@@ -108,6 +108,11 @@
gr_rotate(GRRotation::NONE /* Portrait mode */);
}
+// detect dual display
+bool HealthdDraw::has_multiple_connectors() {
+ return graphics_available && gr_has_multiple_connectors();
+}
+
void HealthdDraw::clear_screen(void) {
if (!graphics_available) return;
gr_color(0, 0, 0, 255);
diff --git a/healthd/healthd_draw.h b/healthd/healthd_draw.h
index 3d4abbd..016db8e 100644
--- a/healthd/healthd_draw.h
+++ b/healthd/healthd_draw.h
@@ -38,6 +38,9 @@
// Rotate screen.
virtual void rotate_screen(int drm);
+ // Detect dual display
+ virtual bool has_multiple_connectors();
+
static std::unique_ptr<HealthdDraw> Create(animation *anim);
protected:
diff --git a/healthd/healthd_mode_charger.cpp b/healthd/healthd_mode_charger.cpp
index e305a86..1ce174b 100644
--- a/healthd/healthd_mode_charger.cpp
+++ b/healthd/healthd_mode_charger.cpp
@@ -289,6 +289,18 @@
anim->run = false;
}
+void Charger::BlankSecScreen() {
+ int drm = drm_ == DRM_INNER ? 1 : 0;
+
+ if (!init_screen_) {
+ /* blank the secondary screen */
+ healthd_draw_->blank_screen(false, drm);
+ healthd_draw_->redraw_screen(&batt_anim_, surf_unknown_);
+ healthd_draw_->blank_screen(true, drm);
+ init_screen_ = true;
+ }
+}
+
void Charger::UpdateScreenState(int64_t now) {
int disp_time;
@@ -315,6 +327,9 @@
reset_animation(&batt_anim_);
next_screen_transition_ = -1;
healthd_draw_->blank_screen(true, static_cast<int>(drm_));
+ if (healthd_draw_->has_multiple_connectors()) {
+ BlankSecScreen();
+ }
screen_blanked_ = true;
LOGV("[%" PRId64 "] animation done\n", now);
if (configuration_->ChargerIsOnline()) {
diff --git a/healthd/include/healthd/BatteryMonitor.h b/healthd/include/healthd/BatteryMonitor.h
index 8cbf5ea..4af2a87 100644
--- a/healthd/include/healthd/BatteryMonitor.h
+++ b/healthd/include/healthd/BatteryMonitor.h
@@ -72,6 +72,10 @@
void logValues(void);
bool isChargerOnline();
+ int setChargingPolicy(int value);
+ int getChargingPolicy();
+ int getBatteryHealthData(int id);
+
static void logValues(const android::hardware::health::V2_1::HealthInfo& health_info,
const struct healthd_config& healthd_config);
diff --git a/healthd/include/healthd/BatteryMonitor_v1.h b/healthd/include/healthd/BatteryMonitor_v1.h
new file mode 100644
index 0000000..49f6f9d
--- /dev/null
+++ b/healthd/include/healthd/BatteryMonitor_v1.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HEALTHD_BATTERYMONITOR_V1_H
+#define HEALTHD_BATTERYMONITOR_V1_H
+
+#include <memory>
+
+#include <batteryservice/BatteryService.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#include <healthd/healthd.h>
+
+namespace aidl::android::hardware::health {
+class HealthInfo;
+} // namespace aidl::android::hardware::health
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V1_0 {
+struct HealthInfo;
+} // namespace V1_0
+namespace V2_0 {
+struct HealthInfo;
+} // namespace V2_0
+namespace V2_1 {
+struct HealthInfo;
+} // namespace V2_1
+} // namespace health
+} // namespace hardware
+
+class BatteryMonitor {
+ public:
+
+ enum PowerSupplyType {
+ ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0,
+ ANDROID_POWER_SUPPLY_TYPE_AC,
+ ANDROID_POWER_SUPPLY_TYPE_USB,
+ ANDROID_POWER_SUPPLY_TYPE_WIRELESS,
+ ANDROID_POWER_SUPPLY_TYPE_BATTERY,
+ ANDROID_POWER_SUPPLY_TYPE_DOCK
+ };
+
+ BatteryMonitor();
+ ~BatteryMonitor();
+ void init(struct healthd_config *hc);
+ int getChargeStatus();
+ status_t getProperty(int id, struct BatteryProperty *val);
+ void dumpState(int fd);
+
+ android::hardware::health::V1_0::HealthInfo getHealthInfo_1_0() const;
+ android::hardware::health::V2_0::HealthInfo getHealthInfo_2_0() const;
+ android::hardware::health::V2_1::HealthInfo getHealthInfo_2_1() const;
+ const aidl::android::hardware::health::HealthInfo& getHealthInfo() const;
+
+ void updateValues(void);
+ void logValues(void);
+ bool isChargerOnline();
+
+ static void logValues(const android::hardware::health::V2_1::HealthInfo& health_info,
+ const struct healthd_config& healthd_config);
+
+ private:
+ struct healthd_config *mHealthdConfig;
+ Vector<String8> mChargerNames;
+ bool mBatteryDevicePresent;
+ int mBatteryFixedCapacity;
+ int mBatteryFixedTemperature;
+ std::unique_ptr<aidl::android::hardware::health::HealthInfo> mHealthInfo;
+};
+
+}; // namespace android
+
+#endif // HEALTHD_BATTERYMONITOR_V1_H
diff --git a/healthd/include/healthd/healthd.h b/healthd/include/healthd/healthd.h
index 706c332..e1c357c 100644
--- a/healthd/include/healthd/healthd.h
+++ b/healthd/include/healthd/healthd.h
@@ -72,6 +72,11 @@
android::String8 batteryCapacityLevelPath;
android::String8 batteryChargeTimeToFullNowPath;
android::String8 batteryFullChargeDesignCapacityUahPath;
+ android::String8 batteryStateOfHealthPath;
+ android::String8 batteryManufacturingDatePath;
+ android::String8 batteryFirstUsageDatePath;
+ android::String8 chargingStatePath;
+ android::String8 chargingPolicyPath;
int (*energyCounter)(int64_t *);
int boot_min_cap;
diff --git a/healthd/include_charger/charger/healthd_mode_charger.h b/healthd/include_charger/charger/healthd_mode_charger.h
index 82e4ddf..c463b92 100644
--- a/healthd/include_charger/charger/healthd_mode_charger.h
+++ b/healthd/include_charger/charger/healthd_mode_charger.h
@@ -108,9 +108,11 @@
void InitAnimation();
int RequestEnableSuspend();
int RequestDisableSuspend();
+ void BlankSecScreen();
bool have_battery_state_ = false;
bool screen_blanked_ = false;
+ bool init_screen_ = false;
int64_t next_screen_transition_ = 0;
int64_t next_key_check_ = 0;
int64_t next_pwr_check_ = 0;
diff --git a/init/Android.bp b/init/Android.bp
index 2dd9683..1aba4b3 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -39,6 +39,7 @@
"epoll.cpp",
"import_parser.cpp",
"interface_utils.cpp",
+ "interprocess_fifo.cpp",
"keychords.cpp",
"parser.cpp",
"property_type.cpp",
@@ -53,6 +54,7 @@
"util.cpp",
]
init_device_sources = [
+ "apex_init_util.cpp",
"block_dev_initializer.cpp",
"bootchart.cpp",
"builtins.cpp",
@@ -107,21 +109,22 @@
misc_undefined: ["signed-integer-overflow"],
},
cflags: [
- "-DLOG_UEVENTS=0",
- "-Wall",
- "-Wextra",
- "-Wno-unused-parameter",
- "-Werror",
- "-Wthread-safety",
"-DALLOW_FIRST_STAGE_CONSOLE=0",
"-DALLOW_LOCAL_PROP_OVERRIDE=0",
"-DALLOW_PERMISSIVE_SELINUX=0",
- "-DREBOOT_BOOTLOADER_ON_PANIC=0",
- "-DWORLD_WRITABLE_KMSG=0",
+ "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
"-DDUMP_ON_UMOUNT_FAILURE=0",
- "-DSHUTDOWN_ZERO_TIMEOUT=0",
"-DINIT_FULL_SOURCES",
"-DINSTALL_DEBUG_POLICY_TO_SYSTEM_EXT=0",
+ "-DLOG_UEVENTS=0",
+ "-DREBOOT_BOOTLOADER_ON_PANIC=0",
+ "-DSHUTDOWN_ZERO_TIMEOUT=0",
+ "-DWORLD_WRITABLE_KMSG=0",
+ "-Wall",
+ "-Werror",
+ "-Wextra",
+ "-Wno-unused-parameter",
+ "-Wthread-safety",
],
product_variables: {
debuggable: {
@@ -160,6 +163,7 @@
},
static_libs: [
"libavb",
+ "libbootloader_message",
"libc++fs",
"libcgrouprc_format",
"libfsverity_init",
@@ -180,7 +184,6 @@
],
shared_libs: [
"libbase",
- "libbootloader_message",
"libcrypto",
"libcutils",
"libdl",
@@ -199,6 +202,7 @@
"libutils",
"libziparchive",
],
+ header_libs: ["bionic_libc_platform_headers"],
bootstrap: true,
visibility: [":__subpackages__"],
}
@@ -217,13 +221,14 @@
"selinux_policy_version",
],
srcs: init_common_sources + init_device_sources,
+ export_include_dirs: ["."],
generated_sources: [
"apex-info-list",
],
whole_static_libs: [
"libcap",
- "com.android.sysprop.apex",
- "com.android.sysprop.init",
+ "libcom.android.sysprop.apex",
+ "libcom.android.sysprop.init",
],
header_libs: ["bootimg_headers"],
proto: {
@@ -246,6 +251,10 @@
],
},
},
+ visibility: [
+ "//system/apex/apexd",
+ "//frameworks/native/cmds/installd",
+ ],
}
phony {
@@ -269,7 +278,7 @@
"init.rc",
"ueventd.rc",
"e2fsdroid",
- "extra_free_kbytes.sh",
+ "extra_free_kbytes",
"make_f2fs",
"mke2fs",
"sload_f2fs",
@@ -301,7 +310,7 @@
name: "init_first_stage_cc_defaults",
module_type: "cc_defaults",
config_namespace: "ANDROID",
- bool_variables: ["BOARD_BUILD_SYSTEM_ROOT_IMAGE", "BOARD_USES_RECOVERY_AS_BOOT"],
+ bool_variables: ["BOARD_USES_RECOVERY_AS_BOOT"],
properties: ["installable"],
}
@@ -310,9 +319,6 @@
init_first_stage_cc_defaults {
name: "init_first_stage_defaults",
soong_config_variables: {
- BOARD_BUILD_SYSTEM_ROOT_IMAGE: {
- installable: false,
- },
BOARD_USES_RECOVERY_AS_BOOT: {
installable: false,
},
@@ -448,21 +454,14 @@
defaults: ["init_defaults"],
require_root: true,
- compile_multilib: "both",
- multilib: {
- lib32: {
- suffix: "32",
- },
- lib64: {
- suffix: "64",
- },
- },
+ compile_multilib: "first",
srcs: [
"devices_test.cpp",
"epoll_test.cpp",
"firmware_handler_test.cpp",
"init_test.cpp",
+ "interprocess_fifo_test.cpp",
"keychords_test.cpp",
"oneshot_on_test.cpp",
"persistent_properties_test.cpp",
@@ -477,7 +476,10 @@
"ueventd_test.cpp",
"util_test.cpp",
],
- static_libs: ["libinit"],
+ static_libs: [
+ "libgmock",
+ "libinit",
+ ],
test_suites: [
"cts",
@@ -523,6 +525,7 @@
"libcap",
],
export_include_dirs: ["test_utils/include"], // for tests
+ header_libs: ["bionic_libc_platform_headers"],
}
// Host Verifier
@@ -601,6 +604,7 @@
}
sh_binary {
- name: "extra_free_kbytes.sh",
+ name: "extra_free_kbytes",
src: "extra_free_kbytes.sh",
+ filename_from_src: true,
}
diff --git a/init/Android.mk b/init/Android.mk
index c08fe03..4b85c15 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -8,11 +8,9 @@
LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
LOCAL_LICENSE_CONDITIONS := notice
LOCAL_NOTICE_FILE := $(LOCAL_PATH)/NOTICE
-ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
ifneq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
LOCAL_REQUIRED_MODULES := \
init_first_stage \
endif # BOARD_USES_RECOVERY_AS_BOOT
-endif # BOARD_BUILD_SYSTEM_ROOT_IMAGE
include $(BUILD_PHONY_PACKAGE)
diff --git a/init/AndroidTest.xml b/init/AndroidTest.xml
index 6f22ab7..8b05484 100644
--- a/init/AndroidTest.xml
+++ b/init/AndroidTest.xml
@@ -22,7 +22,6 @@
<target_preparer class="com.android.compatibility.common.tradefed.targetprep.FilePusher">
<option name="cleanup" value="true" />
<option name="push" value="CtsInitTestCases->/data/local/tmp/CtsInitTestCases" />
- <option name="append-bitness" value="true" />
</target_preparer>
<target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
<option name="throw-on-error" value="false" />
diff --git a/init/README.md b/init/README.md
index fed81db..b006365 100644
--- a/init/README.md
+++ b/init/README.md
@@ -162,6 +162,28 @@
setprop e 1
setprop f 2
+If the property `true` wasn't `true` when the `boot` was triggered, then the
+order of the commands executed will be:
+
+ setprop a 1
+ setprop b 2
+ setprop e 1
+ setprop f 2
+
+If the property `true` becomes `true` *AFTER* `boot` was triggered, nothing will
+be executed. The condition `boot && property:true=true` will be evaluated to
+false because the `boot` trigger is a past event.
+
+Note that when `ro.property_service.async_persist_writes` is `true`, there is no
+defined ordering between persistent setprops and non-persistent setprops. For
+example:
+
+ on boot
+ setprop a 1
+ setprop persist.b 2
+
+When `ro.property_service.async_persist_writes` is `true`, triggers for these
+two properties may execute in any order.
Services
--------
@@ -184,8 +206,10 @@
capability without the "CAP\_" prefix, like "NET\_ADMIN" or "SETPCAP". See
http://man7.org/linux/man-pages/man7/capabilities.7.html for a list of Linux
capabilities.
- If no capabilities are provided, then all capabilities are removed from this service, even if it
- runs as root.
+ If no capabilities are provided, then behaviour depends on the user the service runs under:
+ * if it's root, then the service will run with all the capabitilies (note: whether the
+ service can actually use them is controlled by selinux);
+ * otherwise all capabilities will be dropped.
`class <name> [ <name>\* ]`
> Specify class names for the service. All services in a
@@ -231,6 +255,10 @@
"r", "w" or "rw". For native executables see libcutils
android\_get\_control\_file().
+`gentle_kill`
+> This service will be sent SIGTERM instead of SIGKILL when stopped. After a 200 ms timeout, it will
+ be sent SIGKILL.
+
`group <groupname> [ <groupname>\* ]`
> Change to 'groupname' before exec'ing this service. Additional
groupnames beyond the (required) first one are used to set the
@@ -352,9 +380,10 @@
`socket <name> <type> <perm> [ <user> [ <group> [ <seclabel> ] ] ]`
> Create a UNIX domain socket named /dev/socket/_name_ and pass its fd to the
- launched process. _type_ must be "dgram", "stream" or "seqpacket". _type_
- may end with "+passcred" to enable SO_PASSCRED on the socket. User and
- group default to 0. 'seclabel' is the SELinux security context for the
+ launched process. The socket is created synchronously when the service starts.
+ _type_ must be "dgram", "stream" or "seqpacket". _type_ may end with "+passcred"
+ to enable SO_PASSCRED on the socket or "+listen" to synchronously make it a listening socket.
+ User and group default to 0. 'seclabel' is the SELinux security context for the
socket. It defaults to the service security context, as specified by
seclabel or computed based on the service executable file security context.
For native executables see libcutils android\_get\_control\_socket().
@@ -367,8 +396,9 @@
given console.
`task_profiles <profile> [ <profile>\* ]`
-> Set task profiles for the process when it forks. This is designed to replace the use of
- writepid option for moving a process into a cgroup.
+> Set task profiles. Before Android U, the profiles are applied to the main thread of the service.
+ For Android U and later, the profiles are applied to the entire service process. This is designed
+ to replace the use of writepid option for moving a process into a cgroup.
`timeout_period <seconds>`
> Provide a timeout after which point the service will be killed. The oneshot keyword is respected
@@ -397,7 +427,7 @@
using this new mechanism, processes can use the user option to
select their desired uid without ever running as root.
As of Android O, processes can also request capabilities directly in their .rc
- files. See the "capabilities" option below.
+ files. See the "capabilities" option above.
`writepid <file> [ <file>\* ]`
> Write the child's pid to the given files when it forks. Meant for
@@ -431,7 +461,9 @@
For example:
`on boot && property:a=b` defines an action that is only executed when
-the 'boot' event trigger happens and the property a equals b.
+the 'boot' event trigger happens and the property a equals b at the moment. This
+will NOT be executed when the property a transitions to value b after the `boot`
+event was triggered.
`on property:a=b && property:c=d` defines an action that is executed
at three times:
diff --git a/init/TEST_MAPPING b/init/TEST_MAPPING
index 36ca379..402b501 100644
--- a/init/TEST_MAPPING
+++ b/init/TEST_MAPPING
@@ -8,6 +8,14 @@
},
{
"name": "MicrodroidHostTestCases"
+ },
+ {
+ "name": "CtsSecurityHostTestCases",
+ "options": [
+ {
+ "include-filter": "android.security.cts.SeamendcHostTest"
+ }
+ ]
}
],
"hwasan-presubmit": [
@@ -19,6 +27,14 @@
},
{
"name": "MicrodroidHostTestCases"
+ },
+ {
+ "name": "CtsSecurityHostTestCases",
+ "options": [
+ {
+ "include-filter": "android.security.cts.SeamendcHostTest"
+ }
+ ]
}
]
}
diff --git a/init/action_manager.h b/init/action_manager.h
index 2746a7c..68912a8 100644
--- a/init/action_manager.h
+++ b/init/action_manager.h
@@ -49,6 +49,7 @@
bool HasMoreCommands() const;
void DumpState() const;
void ClearQueue();
+ auto size() const { return actions_.size(); }
private:
ActionManager(ActionManager const&) = delete;
diff --git a/init/apex_init_util.cpp b/init/apex_init_util.cpp
new file mode 100644
index 0000000..c818f8f
--- /dev/null
+++ b/init/apex_init_util.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apex_init_util.h"
+
+#include <glob.h>
+
+#include <vector>
+
+#include <android-base/logging.h>
+#include <android-base/result.h>
+#include <android-base/properties.h>
+#include <android-base/strings.h>
+
+#include "action_manager.h"
+#include "init.h"
+#include "parser.h"
+#include "service_list.h"
+#include "util.h"
+
+namespace android {
+namespace init {
+
+static Result<std::vector<std::string>> CollectApexConfigs(const std::string& apex_name) {
+ glob_t glob_result;
+ std::string glob_pattern = apex_name.empty() ?
+ "/apex/*/etc/*rc" : "/apex/" + apex_name + "/etc/*rc";
+
+ const int ret = glob(glob_pattern.c_str(), GLOB_MARK, nullptr, &glob_result);
+ if (ret != 0 && ret != GLOB_NOMATCH) {
+ globfree(&glob_result);
+ return Error() << "Glob pattern '" << glob_pattern << "' failed";
+ }
+ std::vector<std::string> configs;
+ for (size_t i = 0; i < glob_result.gl_pathc; i++) {
+ std::string path = glob_result.gl_pathv[i];
+ // Filter-out /apex/<name>@<ver> paths. The paths are bind-mounted to
+ // /apex/<name> paths, so unless we filter them out, we will parse the
+ // same file twice.
+ std::vector<std::string> paths = android::base::Split(path, "/");
+ if (paths.size() >= 3 && paths[2].find('@') != std::string::npos) {
+ continue;
+ }
+ // Filter directories
+ if (path.back() == '/') {
+ continue;
+ }
+ configs.push_back(path);
+ }
+ globfree(&glob_result);
+ return configs;
+}
+
+static Result<void> ParseConfigs(const std::vector<std::string>& configs) {
+ Parser parser =
+ CreateApexConfigParser(ActionManager::GetInstance(), ServiceList::GetInstance());
+ std::vector<std::string> errors;
+ for (const auto& c : configs) {
+ auto result = parser.ParseConfigFile(c);
+ // We should handle other config files even when there's an error.
+ if (!result.ok()) {
+ errors.push_back(result.error().message());
+ }
+ }
+ if (!errors.empty()) {
+ return Error() << "Unable to parse apex configs: " << base::Join(errors, "|");
+ }
+ return {};
+}
+
+Result<void> ParseApexConfigs(const std::string& apex_name) {
+ auto configs = OR_RETURN(CollectApexConfigs(apex_name));
+
+ if (configs.empty()) {
+ return {};
+ }
+
+ auto filtered_configs = FilterVersionedConfigs(configs,
+ android::base::GetIntProperty("ro.build.version.sdk", INT_MAX));
+ return ParseConfigs(filtered_configs);
+}
+
+} // namespace init
+} // namespace android
diff --git a/trusty/test/binder/aidl/LongEnum.aidl b/init/apex_init_util.h
similarity index 64%
copy from trusty/test/binder/aidl/LongEnum.aidl
copy to init/apex_init_util.h
index 0e9e933..43f8ad5 100644
--- a/trusty/test/binder/aidl/LongEnum.aidl
+++ b/init/apex_init_util.h
@@ -14,9 +14,19 @@
* limitations under the License.
*/
-@Backing(type="long")
-enum LongEnum {
- FOO = 100000000000,
- BAR = 200000000000,
- BAZ,
-}
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "result.h"
+
+namespace android {
+namespace init {
+
+// Parse all config files for a given apex.
+// If apex name is empty(""), config files for all apexes will be parsed.
+Result<void> ParseApexConfigs(const std::string& apex_name);
+
+} // namespace init
+} // namespace android
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 38f6f39..a89813e 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -69,6 +69,7 @@
#include <system/thread_defs.h>
#include "action_manager.h"
+#include "apex_init_util.h"
#include "bootchart.h"
#include "builtin_arguments.h"
#include "fscrypt_init_extensions.h"
@@ -330,13 +331,13 @@
unique_fd s(TEMP_FAILURE_RETRY(socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0)));
if (s < 0) return ErrnoError() << "opening socket failed";
- if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) {
+ if (ioctl(s.get(), SIOCGIFFLAGS, &ifr) < 0) {
return ErrnoError() << "ioctl(..., SIOCGIFFLAGS, ...) failed";
}
ifr.ifr_flags |= IFF_UP;
- if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) {
+ if (ioctl(s.get(), SIOCSIFFLAGS, &ifr) < 0) {
return ErrnoError() << "ioctl(..., SIOCSIFFLAGS, ...) failed";
}
@@ -515,11 +516,11 @@
loop_info info;
/* if it is a blank loop device */
- if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
+ if (ioctl(loop.get(), LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
/* if it becomes our loop device */
- if (ioctl(loop, LOOP_SET_FD, fd.get()) >= 0) {
+ if (ioctl(loop.get(), LOOP_SET_FD, fd.get()) >= 0) {
if (mount(tmp.c_str(), target, system, flags, options) < 0) {
- ioctl(loop, LOOP_CLR_FD, 0);
+ ioctl(loop.get(), LOOP_CLR_FD, 0);
return ErrnoError() << "mount() failed";
}
return {};
@@ -878,6 +879,8 @@
SetProperty("partition." + partition + ".verified.hash_alg", hashtree_info->algorithm);
SetProperty("partition." + partition + ".verified.root_digest",
hashtree_info->root_digest);
+ SetProperty("partition." + partition + ".verified.check_at_most_once",
+ hashtree_info->check_at_most_once ? "1" : "0");
}
}
@@ -898,16 +901,16 @@
if (fd == -1) {
return ErrnoError() << "Error opening file";
}
- if (posix_fadvise(fd, 0, 0, POSIX_FADV_WILLNEED)) {
+ if (posix_fadvise(fd.get(), 0, 0, POSIX_FADV_WILLNEED)) {
return ErrnoError() << "Error posix_fadvise file";
}
- if (readahead(fd, 0, std::numeric_limits<size_t>::max())) {
+ if (readahead(fd.get(), 0, std::numeric_limits<size_t>::max())) {
return ErrnoError() << "Error readahead file";
}
if (fully) {
char buf[BUFSIZ];
ssize_t n;
- while ((n = TEMP_FAILURE_RETRY(read(fd, &buf[0], sizeof(buf)))) > 0) {
+ while ((n = TEMP_FAILURE_RETRY(read(fd.get(), &buf[0], sizeof(buf)))) > 0) {
}
if (n != 0) {
return ErrnoError() << "Error reading file";
@@ -1279,48 +1282,6 @@
return GenerateLinkerConfiguration();
}
-static Result<void> parse_apex_configs() {
- glob_t glob_result;
- static constexpr char glob_pattern[] = "/apex/*/etc/*rc";
- const int ret = glob(glob_pattern, GLOB_MARK, nullptr, &glob_result);
- if (ret != 0 && ret != GLOB_NOMATCH) {
- globfree(&glob_result);
- return Error() << "glob pattern '" << glob_pattern << "' failed";
- }
- std::vector<std::string> configs;
- Parser parser =
- CreateApexConfigParser(ActionManager::GetInstance(), ServiceList::GetInstance());
- for (size_t i = 0; i < glob_result.gl_pathc; i++) {
- std::string path = glob_result.gl_pathv[i];
- // Filter-out /apex/<name>@<ver> paths. The paths are bind-mounted to
- // /apex/<name> paths, so unless we filter them out, we will parse the
- // same file twice.
- std::vector<std::string> paths = android::base::Split(path, "/");
- if (paths.size() >= 3 && paths[2].find('@') != std::string::npos) {
- continue;
- }
- // Filter directories
- if (path.back() == '/') {
- continue;
- }
- configs.push_back(path);
- }
- globfree(&glob_result);
-
- int active_sdk = android::base::GetIntProperty("ro.build.version.sdk", INT_MAX);
-
- bool success = true;
- for (const auto& c : parser.FilterVersionedConfigs(configs, active_sdk)) {
- success &= parser.ParseConfigFile(c);
- }
- ServiceList::GetInstance().MarkServicesUpdate();
- if (success) {
- return {};
- } else {
- return Error() << "Could not parse apex configs";
- }
-}
-
/*
* Creates a directory under /data/misc/apexdata/ for each APEX.
*/
@@ -1351,7 +1312,8 @@
if (!create_dirs.ok()) {
return create_dirs.error();
}
- auto parse_configs = parse_apex_configs();
+ auto parse_configs = ParseApexConfigs(/*apex_name=*/"");
+ ServiceList::GetInstance().MarkServicesUpdate();
if (!parse_configs.ok()) {
return parse_configs.error();
}
diff --git a/init/devices.cpp b/init/devices.cpp
index 28406f6..39442a0 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -431,6 +431,12 @@
}
}
+ std::string model;
+ if (ReadFileToString("/sys/class/block/" + uevent.device_name + "/queue/zoned", &model) &&
+ !StartsWith(model, "none")) {
+ links.emplace_back("/dev/block/by-name/zoned_device");
+ }
+
auto last_slash = uevent.path.rfind('/');
links.emplace_back(link_path + "/" + uevent.path.substr(last_slash + 1));
@@ -470,7 +476,11 @@
MakeDevice(devpath, block, major, minor, links);
}
- // We don't have full device-mapper information until a change event is fired.
+ // Handle device-mapper nodes.
+ // On kernels <= 5.10, the "add" event is fired on DM_DEV_CREATE, but does not contain name
+ // information until DM_TABLE_LOAD - thus, we wait for a "change" event.
+ // On kernels >= 5.15, the "add" event is fired on DM_TABLE_LOAD, followed by a "change"
+ // event.
if (action == "add" || (action == "change" && StartsWith(devpath, "/dev/block/dm-"))) {
for (const auto& link : links) {
if (!mkdir_recursive(Dirname(link), 0755)) {
diff --git a/init/epoll.cpp b/init/epoll.cpp
index 74d8aac..cd73a0c 100644
--- a/init/epoll.cpp
+++ b/init/epoll.cpp
@@ -23,6 +23,8 @@
#include <functional>
#include <map>
+#include <android-base/logging.h>
+
namespace android {
namespace init {
@@ -42,17 +44,20 @@
if (!events) {
return Error() << "Must specify events";
}
- auto sp = std::make_shared<decltype(handler)>(std::move(handler));
- auto [it, inserted] = epoll_handlers_.emplace(fd, std::move(sp));
+
+ auto [it, inserted] = epoll_handlers_.emplace(
+ fd, Info{
+ .events = events,
+ .handler = std::move(handler),
+ });
if (!inserted) {
return Error() << "Cannot specify two epoll handlers for a given FD";
}
- epoll_event ev;
- ev.events = events;
- // std::map's iterators do not get invalidated until erased, so we use the
- // pointer to the std::function in the map directly for epoll_ctl.
- ev.data.ptr = reinterpret_cast<void*>(&it->second);
- if (epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, fd, &ev) == -1) {
+ epoll_event ev = {
+ .events = events,
+ .data.fd = fd,
+ };
+ if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_ADD, fd, &ev) == -1) {
Result<void> result = ErrnoError() << "epoll_ctl failed to add fd";
epoll_handlers_.erase(fd);
return result;
@@ -61,34 +66,54 @@
}
Result<void> Epoll::UnregisterHandler(int fd) {
- if (epoll_ctl(epoll_fd_, EPOLL_CTL_DEL, fd, nullptr) == -1) {
+ if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_DEL, fd, nullptr) == -1) {
return ErrnoError() << "epoll_ctl failed to remove fd";
}
- if (epoll_handlers_.erase(fd) != 1) {
+ auto it = epoll_handlers_.find(fd);
+ if (it == epoll_handlers_.end()) {
return Error() << "Attempting to remove epoll handler for FD without an existing handler";
}
+ to_remove_.insert(it->first);
return {};
}
-Result<std::vector<std::shared_ptr<Epoll::Handler>>> Epoll::Wait(
- std::optional<std::chrono::milliseconds> timeout) {
+void Epoll::SetFirstCallback(std::function<void()> first_callback) {
+ first_callback_ = std::move(first_callback);
+}
+
+Result<int> Epoll::Wait(std::optional<std::chrono::milliseconds> timeout) {
int timeout_ms = -1;
if (timeout && timeout->count() < INT_MAX) {
timeout_ms = timeout->count();
}
const auto max_events = epoll_handlers_.size();
epoll_event ev[max_events];
- auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_, ev, max_events, timeout_ms));
+ auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_.get(), ev, max_events, timeout_ms));
if (num_events == -1) {
return ErrnoError() << "epoll_wait failed";
}
- std::vector<std::shared_ptr<Handler>> pending_functions;
- for (int i = 0; i < num_events; ++i) {
- auto sp = *reinterpret_cast<std::shared_ptr<Handler>*>(ev[i].data.ptr);
- pending_functions.emplace_back(std::move(sp));
+ if (num_events > 0 && first_callback_) {
+ first_callback_();
}
-
- return pending_functions;
+ for (int i = 0; i < num_events; ++i) {
+ const auto it = epoll_handlers_.find(ev[i].data.fd);
+ if (it == epoll_handlers_.end()) {
+ continue;
+ }
+ const Info& info = it->second;
+ if ((info.events & (EPOLLIN | EPOLLPRI)) == (EPOLLIN | EPOLLPRI) &&
+ (ev[i].events & EPOLLIN) != ev[i].events) {
+ // This handler wants to know about exception events, and just got one.
+ // Log something informational.
+ LOG(ERROR) << "Received unexpected epoll event set: " << ev[i].events;
+ }
+ info.handler();
+ for (auto fd : to_remove_) {
+ epoll_handlers_.erase(fd);
+ }
+ to_remove_.clear();
+ }
+ return num_events;
}
} // namespace init
diff --git a/init/epoll.h b/init/epoll.h
index 0df5289..1e71803 100644
--- a/init/epoll.h
+++ b/init/epoll.h
@@ -24,6 +24,7 @@
#include <map>
#include <memory>
#include <optional>
+#include <unordered_set>
#include <vector>
#include <android-base/unique_fd.h>
@@ -42,12 +43,19 @@
Result<void> Open();
Result<void> RegisterHandler(int fd, Handler handler, uint32_t events = EPOLLIN);
Result<void> UnregisterHandler(int fd);
- Result<std::vector<std::shared_ptr<Handler>>> Wait(
- std::optional<std::chrono::milliseconds> timeout);
+ void SetFirstCallback(std::function<void()> first_callback);
+ Result<int> Wait(std::optional<std::chrono::milliseconds> timeout);
private:
+ struct Info {
+ Handler handler;
+ uint32_t events;
+ };
+
android::base::unique_fd epoll_fd_;
- std::map<int, std::shared_ptr<Handler>> epoll_handlers_;
+ std::map<int, Info> epoll_handlers_;
+ std::function<void()> first_callback_;
+ std::unordered_set<int> to_remove_;
};
} // namespace init
diff --git a/init/epoll_test.cpp b/init/epoll_test.cpp
index 9236cd5..7105a68 100644
--- a/init/epoll_test.cpp
+++ b/init/epoll_test.cpp
@@ -21,6 +21,7 @@
#include <unordered_set>
#include <android-base/file.h>
+#include <android-base/logging.h>
#include <gtest/gtest.h>
namespace android {
@@ -30,14 +31,10 @@
class CatchDtor final {
public:
- CatchDtor() { sValidObjects.emplace(this); }
- CatchDtor(const CatchDtor&) { sValidObjects.emplace(this); }
- ~CatchDtor() {
- auto iter = sValidObjects.find(this);
- if (iter != sValidObjects.end()) {
- sValidObjects.erase(iter);
- }
- }
+ CatchDtor() { CHECK(sValidObjects.emplace(this).second); }
+ CatchDtor(const CatchDtor&) { CHECK(sValidObjects.emplace(this).second); }
+ CatchDtor(const CatchDtor&&) { CHECK(sValidObjects.emplace(this).second); }
+ ~CatchDtor() { CHECK_EQ(sValidObjects.erase(this), size_t{1}); }
};
TEST(epoll, UnregisterHandler) {
@@ -48,11 +45,13 @@
ASSERT_EQ(pipe(fds), 0);
CatchDtor catch_dtor;
- bool handler_invoked;
+ bool handler_invoked = false;
auto handler = [&, catch_dtor]() -> void {
auto result = epoll.UnregisterHandler(fds[0]);
ASSERT_EQ(result.ok(), !handler_invoked);
handler_invoked = true;
+ // The assert statement below verifies that the UnregisterHandler() call
+ // above did not destroy the current std::function<> instance.
ASSERT_NE(sValidObjects.find((void*)&catch_dtor), sValidObjects.end());
};
@@ -61,14 +60,9 @@
uint8_t byte = 0xee;
ASSERT_TRUE(android::base::WriteFully(fds[1], &byte, sizeof(byte)));
- auto results = epoll.Wait({});
- ASSERT_RESULT_OK(results);
- ASSERT_EQ(results->size(), size_t(1));
-
- for (const auto& function : *results) {
- (*function)();
- (*function)();
- }
+ auto epoll_result = epoll.Wait({});
+ ASSERT_RESULT_OK(epoll_result);
+ ASSERT_EQ(*epoll_result, 1);
ASSERT_TRUE(handler_invoked);
}
diff --git a/init/extra_free_kbytes.sh b/init/extra_free_kbytes.sh
index aeaa912..a0141be 100755
--- a/init/extra_free_kbytes.sh
+++ b/init/extra_free_kbytes.sh
@@ -77,7 +77,19 @@
exit
fi
-watermark_scale=`cat /proc/sys/vm/watermark_scale_factor`
+# record the original watermark_scale_factor value
+watermark_scale=$(getprop "ro.kernel.watermark_scale_factor")
+if [ -z "$watermark_scale" ]
+then
+ watermark_scale=$(cat /proc/sys/vm/watermark_scale_factor)
+ setprop "ro.kernel.watermark_scale_factor" "$watermark_scale"
+ # On older distributions with no policies configured setprop may fail.
+ # If that happens, use the kernel default of 10.
+ if [ -z $(getprop "ro.kernel.watermark_scale_factor") ]
+ then
+ watermark_scale=10
+ fi
+fi
# convert extra_free_kbytes to pages
page_size=$(getconf PAGESIZE)
diff --git a/init/firmware_handler.cpp b/init/firmware_handler.cpp
index 30e808d..b9fa58c 100644
--- a/init/firmware_handler.cpp
+++ b/init/firmware_handler.cpp
@@ -257,12 +257,12 @@
return false;
}
struct stat sb;
- if (fstat(fw_fd, &sb) == -1) {
+ if (fstat(fw_fd.get(), &sb) == -1) {
attempted_paths_and_errors.emplace_back("firmware: attempted " + file +
", fstat failed: " + strerror(errno));
return false;
}
- LoadFirmware(firmware, root, fw_fd, sb.st_size, loading_fd, data_fd);
+ LoadFirmware(firmware, root, fw_fd.get(), sb.st_size, loading_fd.get(), data_fd.get());
return true;
};
@@ -287,7 +287,7 @@
}
// Write "-1" as our response to the kernel's firmware request, since we have nothing for it.
- write(loading_fd, "-1", 2);
+ write(loading_fd.get(), "-1", 2);
}
bool FirmwareHandler::ForEachFirmwareDirectory(
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index 202a86a..107e99a 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -295,9 +295,6 @@
// stage init
CHECKCALL(mount("tmpfs", kSecondStageRes, "tmpfs", MS_NOEXEC | MS_NOSUID | MS_NODEV,
"mode=0755,uid=0,gid=0"))
-
- // First stage init stores Mainline sepolicy here.
- CHECKCALL(mkdir("/dev/selinux", 0744));
#undef CHECKCALL
SetStdioToDevNull(argv);
diff --git a/init/fuzzer/Android.bp b/init/fuzzer/Android.bp
new file mode 100644
index 0000000..c21a196
--- /dev/null
+++ b/init/fuzzer/Android.bp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package {
+ default_applicable_licenses: ["system_core_init_license"],
+}
+
+cc_defaults {
+ name: "libinit_defaults",
+ static_libs: [
+ "libc++fs",
+ "liblmkd_utils",
+ "libmodprobe",
+ "libprotobuf-cpp-lite",
+ "libpropertyinfoparser",
+ "libsnapshot_init",
+ "libinit",
+ ],
+ shared_libs: [
+ "libbase",
+ "libfs_mgr",
+ "libhidl-gen-utils",
+ "libkeyutils",
+ "liblog",
+ "libprocessgroup",
+ "libselinux",
+ ],
+ header_libs: ["libinit_headers"],
+ fuzz_config: {
+ cc: [
+ "android-media-fuzzing-reports@google.com",
+ ],
+ componentid: 155276,
+ },
+}
+
+cc_fuzz {
+ name: "init_parser_fuzzer",
+ srcs: [
+ "init_parser_fuzzer.cpp",
+ ],
+ shared_libs: ["libhidlmetadata",],
+ defaults: [
+ "libinit_defaults",
+ ],
+}
+
+cc_fuzz {
+ name: "init_property_fuzzer",
+ srcs: [
+ "init_property_fuzzer.cpp",
+ ],
+ defaults: ["libinit_defaults"],
+}
+
+cc_fuzz {
+ name: "init_ueventHandler_fuzzer",
+ srcs: [
+ "init_ueventHandler_fuzzer.cpp",
+ ],
+ defaults: [
+ "libinit_defaults",
+ ],
+}
diff --git a/init/fuzzer/README.md b/init/fuzzer/README.md
new file mode 100644
index 0000000..fc9a6a6
--- /dev/null
+++ b/init/fuzzer/README.md
@@ -0,0 +1,98 @@
+# Fuzzers for libinit
+
+## Table of contents
++ [init_parser_fuzzer](#InitParser)
++ [init_property_fuzzer](#InitProperty)
++ [init_ueventHandler_fuzzer](#InitUeventHandler)
+
+# <a name="InitParser"></a> Fuzzer for InitParser
+
+InitParser supports the following parameters:
+1. ValidPathNames (parameter name: "kValidPaths")
+2. ValidParseInputs (parameter name: "kValidInputs")
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`kValidPaths`| 0.`/system/etc/init/hw/init.rc`,<br/> 1.`/system/etc/init` |Value obtained from FuzzedDataProvider|
+|`kValidInputs`| 0.`{"","cpu", "10", "10"}`,<br/> 1.`{"","RLIM_CPU", "10", "10"}`,<br/> 2.`{"","12", "unlimited", "10"}`,<br/> 3.`{"","13", "-1", "10"}`,<br/> 4.`{"","14", "10", "unlimited"}`,<br/> 5.`{"","15", "10", "-1"}` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+ $ mm -j$(nproc) init_parser_fuzzer
+```
+2. Run on device
+```
+ $ adb sync data
+ $ adb shell /data/fuzz/arm64/init_parser_fuzzer/init_parser_fuzzer
+```
+
+# <a name="InitProperty"></a> Fuzzer for InitProperty
+
+InitProperty supports the following parameters:
+ PropertyType (parameter name: "PropertyType")
+
+| Parameter| Valid Values |Configured Value|
+|-------------|----------|----- |
+|`PropertyType`| 0.`STRING`,<br/> 1.`BOOL`,<br/> 2.`INT`,<br/> 3.`UINT`,<br/> 4.`DOUBLE`,<br/> 5.`SIZE`,<br/>6.`ENUM`,<br/>7.`RANDOM`|Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+ $ mm -j$(nproc) init_property_fuzzer
+```
+2. Run on device
+```
+ $ adb sync data
+ $ adb shell /data/fuzz/arm64/init_property_fuzzer/init_property_fuzzer
+```
+
+# <a name="InitUeventHandler"></a> Fuzzer for InitUeventHandler
+
+##### Maximize code coverage
+The configuration parameters are not hardcoded, but instead selected based on
+incoming data. This ensures more code paths are reached by the fuzzer.
+
+InitUeventHandler supports the following parameters:
+1. Major (parameter name: `major`)
+2. Minor (parameter name: `minor`)
+3. PartitionNum (parameter name: `partition_num`)
+4. Uid (parameter name: `uid`)
+5. Gid (parameter name: `gid`)
+6. Action (parameter name: `action`)
+7. Path (parameter name: `path`)
+8. Subsystem (parameter name: `subsystem`)
+9. PartitionName (parameter name: `partition_name`)
+10. DeviceName (parameter name: `device_name`)
+11. Modalias (parameter name: `modalias`)
+12. DevPath (parameter name: `devPath`)
+13. HandlerPath (parameter name: `handlerPath`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+| `major` | `UINT32_MIN` to `UINT32_MAX` | Value obtained from FuzzedDataProvider|
+| `minor` | `UINT32_MIN` to `UINT32_MAX` | Value obtained from FuzzedDataProvider|
+| `partition_num ` | `UINT32_MIN` to `UINT32_MAX` | Value obtained from FuzzedDataProvider|
+| `uid` | `UINT32_MIN` to `UINT32_MAX` | Value obtained from FuzzedDataProvider|
+| `gid` | `UINT32_MIN` to `UINT32_MAX` | Value obtained from FuzzedDataProvider|
+| `action` | `String` | Value obtained from FuzzedDataProvider|
+| `path` | `String` | Value obtained from FuzzedDataProvider|
+| `subsystem` | `String` | Value obtained from FuzzedDataProvider|
+| `partition_name` | `String` | Value obtained from FuzzedDataProvider|
+| `device_name` | `String` | Value obtained from FuzzedDataProvider|
+| `modalias` | `String` | Value obtained from FuzzedDataProvider|
+| `devPath` | `String` | Value obtained from FuzzedDataProvider|
+| `handlerPath` | `String` | Value obtained from FuzzedDataProvider|
+
+This also ensures that the plugin is always deterministic for any given input.
+
+#### Steps to run
+1. Build the fuzzer
+```
+$ mm -j$(nproc) init_ueventHandler_fuzzer
+```
+2. Run on device
+```
+$ adb sync data
+$ adb shell /data/fuzz/arm64/init_ueventHandler_fuzzer/init_ueventHandler_fuzzer
+```
diff --git a/init/fuzzer/init_parser_fuzzer.cpp b/init/fuzzer/init_parser_fuzzer.cpp
new file mode 100644
index 0000000..e6a78a2
--- /dev/null
+++ b/init/fuzzer/init_parser_fuzzer.cpp
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fuzzer/FuzzedDataProvider.h>
+#include <hidl/metadata.h>
+#include <import_parser.h>
+#include <interface_utils.h>
+#include <rlimit_parser.h>
+
+using namespace android;
+using namespace android::init;
+
+const std::vector<std::string> kValidInputs[] = {
+ {"", "cpu", "10", "10"}, {"", "RLIM_CPU", "10", "10"}, {"", "12", "unlimited", "10"},
+ {"", "13", "-1", "10"}, {"", "14", "10", "unlimited"}, {"", "15", "10", "-1"},
+};
+
+const std::string kValidPaths[] = {
+ "/system/etc/init/hw/init.rc",
+ "/system/etc/init",
+};
+
+const int32_t kMaxBytes = 256;
+const std::string kValidInterfaces = "android.frameworks.vr.composer@2.0::IVrComposerClient";
+
+class InitParserFuzzer {
+ public:
+ InitParserFuzzer(const uint8_t* data, size_t size) : fdp_(data, size){};
+ void Process();
+
+ private:
+ void InvokeParser();
+ void InvokeLimitParser();
+ void InvokeInterfaceUtils();
+ InterfaceInheritanceHierarchyMap GenerateHierarchyMap();
+ std::vector<HidlInterfaceMetadata> GenerateInterfaceMetadata();
+
+ FuzzedDataProvider fdp_;
+};
+
+void InitParserFuzzer::InvokeLimitParser() {
+ if (fdp_.ConsumeBool()) {
+ std::vector<std::string> input;
+ input.push_back("");
+ input.push_back(fdp_.ConsumeRandomLengthString(kMaxBytes));
+ input.push_back(fdp_.ConsumeRandomLengthString(kMaxBytes));
+ input.push_back(fdp_.ConsumeRandomLengthString(kMaxBytes));
+ ParseRlimit(input);
+ } else {
+ ParseRlimit(fdp_.PickValueInArray(kValidInputs));
+ }
+}
+
+std::vector<HidlInterfaceMetadata> InitParserFuzzer::GenerateInterfaceMetadata() {
+ std::vector<HidlInterfaceMetadata> random_interface;
+ for (size_t idx = 0; idx < fdp_.ConsumeIntegral<size_t>(); ++idx) {
+ HidlInterfaceMetadata metadata;
+ metadata.name = fdp_.ConsumeRandomLengthString(kMaxBytes);
+ for (size_t idx1 = 0; idx1 < fdp_.ConsumeIntegral<size_t>(); ++idx1) {
+ metadata.inherited.push_back(fdp_.ConsumeRandomLengthString(kMaxBytes));
+ }
+ random_interface.push_back(metadata);
+ }
+ return random_interface;
+}
+
+InterfaceInheritanceHierarchyMap InitParserFuzzer::GenerateHierarchyMap() {
+ InterfaceInheritanceHierarchyMap result;
+ std::vector<HidlInterfaceMetadata> random_interface;
+ if (fdp_.ConsumeBool()) {
+ random_interface = GenerateInterfaceMetadata();
+ } else {
+ random_interface = HidlInterfaceMetadata::all();
+ }
+
+ for (const HidlInterfaceMetadata& iface : random_interface) {
+ std::set<FQName> inherited_interfaces;
+ for (const std::string& intf : iface.inherited) {
+ FQName fqname;
+ (void)fqname.setTo(intf);
+ inherited_interfaces.insert(fqname);
+ }
+ FQName fqname;
+ (void)fqname.setTo(iface.name);
+ result[fqname] = inherited_interfaces;
+ }
+ return result;
+}
+
+void InitParserFuzzer::InvokeInterfaceUtils() {
+ InterfaceInheritanceHierarchyMap hierarchy_map = GenerateHierarchyMap();
+ SetKnownInterfaces(hierarchy_map);
+ IsKnownInterface(fdp_.ConsumeRandomLengthString(kMaxBytes));
+ std::set<std::string> interface_set;
+ for (size_t idx = 0; idx < fdp_.ConsumeIntegral<size_t>(); ++idx) {
+ auto set_interface_values = fdp_.PickValueInArray<const std::function<void()>>({
+ [&]() {
+ interface_set.insert(("aidl/" + fdp_.ConsumeRandomLengthString(kMaxBytes)));
+ },
+ [&]() { interface_set.insert(fdp_.ConsumeRandomLengthString(kMaxBytes)); },
+ [&]() { interface_set.insert(kValidInterfaces); },
+ });
+ set_interface_values();
+ }
+ CheckInterfaceInheritanceHierarchy(interface_set, hierarchy_map);
+}
+
+void InitParserFuzzer::InvokeParser() {
+ Parser parser;
+ std::string name = fdp_.ConsumeBool() ? fdp_.ConsumeRandomLengthString(kMaxBytes) : "import";
+ parser.AddSectionParser(name, std::make_unique<ImportParser>(&parser));
+ std::string path = fdp_.ConsumeBool() ? fdp_.PickValueInArray(kValidPaths)
+ : fdp_.ConsumeRandomLengthString(kMaxBytes);
+ parser.ParseConfig(path);
+ parser.ParseConfigFileInsecure(path);
+}
+
+void InitParserFuzzer::Process() {
+ while (fdp_.remaining_bytes()) {
+ auto invoke_parser_fuzzer = fdp_.PickValueInArray<const std::function<void()>>({
+ [&]() { InvokeParser(); },
+ [&]() { InvokeInterfaceUtils(); },
+ [&]() { InvokeLimitParser(); },
+ });
+ invoke_parser_fuzzer();
+ }
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ InitParserFuzzer init_parser_fuzzer(data, size);
+ init_parser_fuzzer.Process();
+ return 0;
+}
diff --git a/init/fuzzer/init_property_fuzzer.cpp b/init/fuzzer/init_property_fuzzer.cpp
new file mode 100644
index 0000000..22df375
--- /dev/null
+++ b/init/fuzzer/init_property_fuzzer.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <persistent_properties.h>
+#include <property_type.h>
+#include <sys/stat.h>
+#include <fstream>
+#include "fuzzer/FuzzedDataProvider.h"
+
+using namespace android;
+using namespace android::init;
+using android::init::persistent_property_filename;
+
+const std::string kTempDir = "/data/local/tmp/";
+const std::string kFuzzerPropertyFile = kTempDir + "persistent_properties";
+constexpr int32_t kMaxPropertyLength = 10;
+const std::string kPrefix = "persist.";
+const std::string kPropertyName = kPrefix + "sys.timezone";
+const std::string kPropertyValue = "America/Los_Angeles";
+const std::string kLegacyPropertyFile = "/data/property/persist.properties";
+const std::string kSizeSuffix[3] = {"g", "k", "m"};
+constexpr int32_t kMinNumStrings = 1;
+constexpr int32_t kMaxNumStrings = 10;
+
+enum PropertyType { STRING, BOOL, INT, UINT, DOUBLE, SIZE, ENUM, RANDOM, kMaxValue = RANDOM };
+
+class InitPropertyFuzzer {
+ public:
+ InitPropertyFuzzer(const uint8_t* data, size_t size) : fdp_(data, size){};
+ void process();
+
+ private:
+ void InvokeCheckType();
+ void InvokeWritePersistentProperty();
+ void RemoveFiles();
+ void CreateFuzzerPropertyFile(const std::string property_file);
+ FuzzedDataProvider fdp_;
+};
+
+void InitPropertyFuzzer::InvokeCheckType() {
+ std::string property_type;
+ std::string value;
+ int type = fdp_.ConsumeEnum<PropertyType>();
+ switch (type) {
+ case STRING:
+ value = fdp_.ConsumeRandomLengthString(kMaxPropertyLength);
+ property_type = "string";
+ break;
+ case BOOL:
+ value = fdp_.ConsumeBool();
+ property_type = "bool";
+ break;
+ case INT:
+ value = fdp_.ConsumeIntegral<int>();
+ property_type = "int";
+ break;
+ case UINT:
+ value = fdp_.ConsumeIntegral<uint_t>();
+ property_type = "uint";
+ break;
+ case DOUBLE:
+ value = fdp_.ConsumeFloatingPoint<double>();
+ property_type = "double";
+ break;
+ case SIZE:
+ value = fdp_.ConsumeIntegral<uint_t>();
+ value = value.append(fdp_.PickValueInArray(kSizeSuffix));
+ property_type = "size";
+ break;
+ case ENUM:
+ value = fdp_.ConsumeIntegral<uint_t>();
+ property_type = "enum";
+ break;
+ case RANDOM:
+ value = fdp_.ConsumeRandomLengthString(kMaxPropertyLength);
+ property_type = fdp_.ConsumeRandomLengthString(kMaxPropertyLength);
+ break;
+ }
+
+ CheckType(property_type, value);
+}
+
+void InitPropertyFuzzer::InvokeWritePersistentProperty() {
+ if (fdp_.ConsumeBool()) {
+ WritePersistentProperty(kPropertyName, kPropertyValue);
+ } else {
+ WritePersistentProperty((kPrefix + fdp_.ConsumeRandomLengthString(kMaxPropertyLength)),
+ fdp_.ConsumeRandomLengthString(kMaxPropertyLength));
+ }
+}
+
+void InitPropertyFuzzer::RemoveFiles() {
+ remove(kFuzzerPropertyFile.c_str());
+ remove(kLegacyPropertyFile.c_str());
+}
+
+void InitPropertyFuzzer::CreateFuzzerPropertyFile(const std::string property_file) {
+ std::ofstream out;
+ out.open(property_file, std::ios::binary | std::ofstream::trunc);
+ chmod(property_file.c_str(), S_IRWXU);
+ const int32_t numStrings = fdp_.ConsumeIntegralInRange(kMinNumStrings, kMaxNumStrings);
+ for (int32_t i = 0; i < numStrings; ++i) {
+ out << fdp_.ConsumeRandomLengthString(kMaxPropertyLength) << "\n";
+ }
+ out.close();
+}
+
+void InitPropertyFuzzer::process() {
+ persistent_property_filename = kFuzzerPropertyFile;
+ /* Property and legacy files are created using createFuzzerPropertyFile() and */
+ /* are used in the below APIs. Hence createFuzzerPropertyFile() is not a part */
+ /* of the lambda construct. */
+ CreateFuzzerPropertyFile(kFuzzerPropertyFile);
+ CreateFuzzerPropertyFile(kLegacyPropertyFile);
+ auto property_type = fdp_.PickValueInArray<const std::function<void()>>({
+ [&]() { InvokeCheckType(); },
+ [&]() { InvokeWritePersistentProperty(); },
+ [&]() { LoadPersistentProperties(); },
+ });
+ property_type();
+ RemoveFiles();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ InitPropertyFuzzer initPropertyFuzzer(data, size);
+ initPropertyFuzzer.process();
+ return 0;
+}
diff --git a/init/fuzzer/init_ueventHandler_fuzzer.cpp b/init/fuzzer/init_ueventHandler_fuzzer.cpp
new file mode 100644
index 0000000..b6d5f8a
--- /dev/null
+++ b/init/fuzzer/init_ueventHandler_fuzzer.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <devices.h>
+#include <firmware_handler.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <modalias_handler.h>
+#include <sys/stat.h>
+#include <util.h>
+#include <fstream>
+
+using namespace android;
+using namespace android::init;
+constexpr int32_t kMaxBytes = 100;
+constexpr int32_t kMaxSize = 1000;
+constexpr int32_t kMinSize = 1;
+
+/*'HandleUevent' prefixes the path with '/sys' and hence this is required to point
+ * to'/data/local/tmp' dir.*/
+const std::string kPath = "/../data/local/tmp/";
+const std::string kPathPrefix = "/..";
+
+void MakeFile(FuzzedDataProvider* fdp, std::string s) {
+ std::ofstream out;
+ out.open(s, std::ios::binary | std::ofstream::trunc);
+ for (int32_t idx = 0; idx < fdp->ConsumeIntegralInRange(kMinSize, kMaxSize); ++idx) {
+ out << fdp->ConsumeRandomLengthString(kMaxBytes) << "\n";
+ }
+ out.close();
+}
+
+void CreateDir(std::string Directory, FuzzedDataProvider* fdp) {
+ std::string tmp = Directory.substr(kPathPrefix.length());
+ mkdir_recursive(android::base::Dirname(tmp.c_str()),
+ S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+ MakeFile(fdp, tmp + "/data");
+ MakeFile(fdp, tmp + "/loading");
+}
+
+std::string SelectRandomString(FuzzedDataProvider* fdp, std::string s) {
+ if (fdp->ConsumeBool()) {
+ if (fdp->ConsumeBool()) {
+ return fdp->ConsumeRandomLengthString(kMaxBytes);
+ } else {
+ return s;
+ }
+ }
+ return "";
+}
+
+Uevent CreateUevent(FuzzedDataProvider* fdp) {
+ Uevent uevent;
+ uevent.action = SelectRandomString(fdp, "add");
+ uevent.subsystem = SelectRandomString(fdp, "firmware");
+ uevent.path = SelectRandomString(fdp, kPath + fdp->ConsumeRandomLengthString(kMaxBytes));
+ uevent.firmware = fdp->ConsumeBool() ? fdp->ConsumeRandomLengthString(kMaxBytes) : "";
+ uevent.partition_name = fdp->ConsumeBool() ? fdp->ConsumeRandomLengthString(kMaxBytes) : "";
+ uevent.device_name = fdp->ConsumeBool() ? fdp->ConsumeRandomLengthString(kMaxBytes) : "";
+ uevent.modalias = fdp->ConsumeBool() ? fdp->ConsumeRandomLengthString(kMaxBytes) : "";
+ uevent.partition_num = fdp->ConsumeIntegral<int32_t>();
+ uevent.major = fdp->ConsumeIntegral<int32_t>();
+ uevent.minor = fdp->ConsumeIntegral<int32_t>();
+ return uevent;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ FuzzedDataProvider fdp(data, size);
+ while (fdp.remaining_bytes()) {
+ auto invoke_uevent_handler_fuzzer = fdp.PickValueInArray<const std::function<void()>>({
+ [&]() {
+ std::vector<std::string> modalias_vector;
+ for (size_t idx = 0;
+ idx < fdp.ConsumeIntegralInRange<size_t>(kMinSize, kMaxSize); ++idx) {
+ modalias_vector.push_back(fdp.ConsumeRandomLengthString(kMaxBytes));
+ }
+ ModaliasHandler modalias_handler = ModaliasHandler(modalias_vector);
+ modalias_handler.HandleUevent(CreateUevent(&fdp));
+ },
+ [&]() {
+ std::vector<ExternalFirmwareHandler> external_handlers;
+ std::vector<std::string> firmware_directories;
+ for (size_t idx = 0;
+ idx < fdp.ConsumeIntegralInRange<size_t>(kMinSize, kMaxSize); ++idx) {
+ std::string devPath = fdp.ConsumeRandomLengthString(kMaxBytes);
+ uid_t uid = fdp.ConsumeIntegral<uid_t>();
+ gid_t gid = fdp.ConsumeIntegral<gid_t>();
+ std::string handlerPath = fdp.ConsumeRandomLengthString(kMaxBytes);
+ ExternalFirmwareHandler externalFirmwareHandler =
+ ExternalFirmwareHandler(devPath, uid, gid, handlerPath);
+ external_handlers.push_back(externalFirmwareHandler);
+ firmware_directories.push_back(fdp.ConsumeRandomLengthString(kMaxBytes));
+ }
+ FirmwareHandler firmware_handler =
+ FirmwareHandler(firmware_directories, external_handlers);
+ Uevent uevent = CreateUevent(&fdp);
+ if (fdp.ConsumeBool() && uevent.path.size() != 0 &&
+ uevent.path.find(kPath) == 0) {
+ CreateDir(uevent.path, &fdp);
+ firmware_handler.HandleUevent(uevent);
+ std::string s = uevent.path.substr(kPathPrefix.length());
+ remove(s.c_str());
+ } else {
+ firmware_handler.HandleUevent(uevent);
+ }
+ },
+ });
+ invoke_uevent_handler_fuzzer();
+ }
+ return 0;
+}
diff --git a/init/host_init_stubs.h b/init/host_init_stubs.h
index 2a8bf6c..753ed6b 100644
--- a/init/host_init_stubs.h
+++ b/init/host_init_stubs.h
@@ -29,6 +29,9 @@
#define __ANDROID_API_P__ 28
#define __ANDROID_API_Q__ 29
#define __ANDROID_API_R__ 30
+#define __ANDROID_API_S__ 31
+#define __ANDROID_API_T__ 33
+#define __ANDROID_API_U__ 34
// sys/system_properties.h
#define PROP_VALUE_MAX 92
diff --git a/init/init.cpp b/init/init.cpp
index 5f516b7..4262191 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -33,7 +33,10 @@
#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
#include <sys/_system_properties.h>
+#include <filesystem>
+#include <fstream>
#include <functional>
+#include <iostream>
#include <map>
#include <memory>
#include <mutex>
@@ -60,8 +63,10 @@
#include <selinux/android.h>
#include <unwindstack/AndroidUnwinder.h>
+#include "action.h"
+#include "action_manager.h"
#include "action_parser.h"
-#include "builtins.h"
+#include "apex_init_util.h"
#include "epoll.h"
#include "first_stage_init.h"
#include "first_stage_mount.h"
@@ -79,6 +84,7 @@
#include "selabel.h"
#include "selinux.h"
#include "service.h"
+#include "service_list.h"
#include "service_parser.h"
#include "sigchld_handler.h"
#include "snapuserd_transition.h"
@@ -443,11 +449,47 @@
return {};
}
+int StopServicesFromApex(const std::string& apex_name) {
+ auto services = ServiceList::GetInstance().FindServicesByApexName(apex_name);
+ if (services.empty()) {
+ LOG(INFO) << "No service found for APEX: " << apex_name;
+ return 0;
+ }
+ std::set<std::string> service_names;
+ for (const auto& service : services) {
+ service_names.emplace(service->name());
+ }
+ constexpr std::chrono::milliseconds kServiceStopTimeout = 10s;
+ int still_running = StopServicesAndLogViolations(service_names, kServiceStopTimeout,
+ true /*SIGTERM*/);
+ // Send SIGKILL to ones that didn't terminate cleanly.
+ if (still_running > 0) {
+ still_running = StopServicesAndLogViolations(service_names, 0ms, false /*SIGKILL*/);
+ }
+ return still_running;
+}
+
+void RemoveServiceAndActionFromApex(const std::string& apex_name) {
+ // Remove services and actions that match apex name
+ ActionManager::GetInstance().RemoveActionIf([&](const std::unique_ptr<Action>& action) -> bool {
+ if (GetApexNameFromFileName(action->filename()) == apex_name) {
+ return true;
+ }
+ return false;
+ });
+ ServiceList::GetInstance().RemoveServiceIf([&](const std::unique_ptr<Service>& s) -> bool {
+ if (GetApexNameFromFileName(s->filename()) == apex_name) {
+ return true;
+ }
+ return false;
+ });
+}
+
static Result<void> DoUnloadApex(const std::string& apex_name) {
- std::string prop_name = "init.apex." + apex_name;
- // TODO(b/232114573) remove services and actions read from the apex
- // TODO(b/232799709) kill services from the apex
- SetProperty(prop_name, "unloaded");
+ if (StopServicesFromApex(apex_name) > 0) {
+ return Error() << "Unable to stop all service from " << apex_name;
+ }
+ RemoveServiceAndActionFromApex(apex_name);
return {};
}
@@ -471,14 +513,14 @@
}
static Result<void> DoLoadApex(const std::string& apex_name) {
- std::string prop_name = "init.apex." + apex_name;
- // TODO(b/232799709) read .rc files from the apex
+ if (auto result = ParseApexConfigs(apex_name); !result.ok()) {
+ return result.error();
+ }
if (auto result = UpdateApexLinkerConfig(apex_name); !result.ok()) {
return result.error();
}
- SetProperty(prop_name, "loaded");
return {};
}
@@ -620,6 +662,10 @@
}
static Result<void> SetupCgroupsAction(const BuiltinArguments&) {
+ if (!CgroupsAvailable()) {
+ LOG(INFO) << "Cgroups support in kernel is not enabled";
+ return {};
+ }
// Have to create <CGROUPS_RC_DIR> using make_dir function
// for appropriate sepolicy to be set for it
make_dir(android::base::Dirname(CGROUPS_RC_PATH), 0711);
@@ -693,29 +739,12 @@
HandlePowerctlMessage("shutdown,container");
}
-static constexpr std::chrono::milliseconds kDiagnosticTimeout = 10s;
-
static void HandleSignalFd() {
signalfd_siginfo siginfo;
- auto started = std::chrono::steady_clock::now();
- for (;;) {
- ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
- if (bytes_read < 0 && errno == EAGAIN) {
- auto now = std::chrono::steady_clock::now();
- std::chrono::duration<double> waited = now - started;
- if (waited >= kDiagnosticTimeout) {
- LOG(ERROR) << "epoll() woke us up, but we waited with no SIGCHLD!";
- started = now;
- }
-
- std::this_thread::sleep_for(100ms);
- continue;
- }
- if (bytes_read != sizeof(siginfo)) {
- PLOG(ERROR) << "Failed to read siginfo from signal_fd";
- return;
- }
- break;
+ ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
+ if (bytes_read != sizeof(siginfo)) {
+ PLOG(ERROR) << "Failed to read siginfo from signal_fd";
+ return;
}
switch (siginfo.ssi_signo) {
@@ -726,7 +755,7 @@
HandleSigtermSignal(siginfo);
break;
default:
- PLOG(ERROR) << "signal_fd: received unexpected signal " << siginfo.ssi_signo;
+ LOG(ERROR) << "signal_fd: received unexpected signal " << siginfo.ssi_signo;
break;
}
}
@@ -771,12 +800,13 @@
LOG(FATAL) << "Failed to register a fork handler: " << strerror(result);
}
- signal_fd = signalfd(-1, &mask, SFD_CLOEXEC | SFD_NONBLOCK);
+ signal_fd = signalfd(-1, &mask, SFD_CLOEXEC);
if (signal_fd == -1) {
PLOG(FATAL) << "failed to create signalfd";
}
- if (auto result = epoll->RegisterHandler(signal_fd, HandleSignalFd); !result.ok()) {
+ constexpr int flags = EPOLLIN | EPOLLPRI;
+ if (auto result = epoll->RegisterHandler(signal_fd, HandleSignalFd, flags); !result.ok()) {
LOG(FATAL) << result.error();
}
}
@@ -991,6 +1021,11 @@
PLOG(FATAL) << result.error();
}
+ // We always reap children before responding to the other pending functions. This is to
+ // prevent a race where other daemons see that a service has exited and ask init to
+ // start it again via ctl.start before init has reaped it.
+ epoll.SetFirstCallback(ReapAnyOutstandingChildren);
+
InstallSignalFdHandler(&epoll);
InstallInitNotifier(&epoll);
StartPropertyService(&property_fd);
@@ -1073,7 +1108,7 @@
setpriority(PRIO_PROCESS, 0, 0);
while (true) {
// By default, sleep until something happens.
- auto epoll_timeout = std::optional<std::chrono::milliseconds>{kDiagnosticTimeout};
+ std::optional<std::chrono::milliseconds> epoll_timeout;
auto shutdown_command = shutdown_state.CheckShutdown();
if (shutdown_command) {
@@ -1093,7 +1128,7 @@
if (next_process_action_time) {
epoll_timeout = std::chrono::ceil<std::chrono::milliseconds>(
*next_process_action_time - boot_clock::now());
- if (*epoll_timeout < 0ms) epoll_timeout = 0ms;
+ if (epoll_timeout < 0ms) epoll_timeout = 0ms;
}
}
@@ -1102,24 +1137,9 @@
if (am.HasMoreCommands()) epoll_timeout = 0ms;
}
- auto pending_functions = epoll.Wait(epoll_timeout);
- if (!pending_functions.ok()) {
- LOG(ERROR) << pending_functions.error();
- } else if (!pending_functions->empty()) {
- // We always reap children before responding to the other pending functions. This is to
- // prevent a race where other daemons see that a service has exited and ask init to
- // start it again via ctl.start before init has reaped it.
- ReapAnyOutstandingChildren();
- for (const auto& function : *pending_functions) {
- (*function)();
- }
- } else if (Service::is_exec_service_running()) {
- std::chrono::duration<double> waited =
- std::chrono::steady_clock::now() - Service::exec_service_started();
- if (waited >= kDiagnosticTimeout) {
- LOG(ERROR) << "Exec service is hung? Waited " << waited.count()
- << " without SIGCHLD";
- }
+ auto epoll_result = epoll.Wait(epoll_timeout);
+ if (!epoll_result.ok()) {
+ LOG(ERROR) << epoll_result.error();
}
if (!IsShuttingDown()) {
HandleControlMessages();
diff --git a/init/init.h b/init/init.h
index 5220535..063632a 100644
--- a/init/init.h
+++ b/init/init.h
@@ -46,5 +46,9 @@
int SecondStageMain(int argc, char** argv);
+int StopServicesFromApex(const std::string& apex_name);
+
+void RemoveServiceAndActionFromApex(const std::string& apex_name);
+
} // namespace init
} // namespace android
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 5651a83..1e69ede 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -15,11 +15,17 @@
*/
#include <functional>
+#include <string_view>
+#include <thread>
+#include <type_traits>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <android/api-level.h>
#include <gtest/gtest.h>
+#include <selinux/selinux.h>
+#include <sys/resource.h>
#include "action.h"
#include "action_manager.h"
@@ -27,6 +33,7 @@
#include "builtin_arguments.h"
#include "builtins.h"
#include "import_parser.h"
+#include "init.h"
#include "keyword_map.h"
#include "parser.h"
#include "service.h"
@@ -37,6 +44,7 @@
using android::base::GetIntProperty;
using android::base::GetProperty;
using android::base::SetProperty;
+using android::base::StringReplace;
using android::base::WaitForProperty;
using namespace std::literals;
@@ -188,6 +196,263 @@
EXPECT_TRUE(service->is_override());
}
+TEST(init, StartConsole) {
+ if (GetProperty("ro.build.type", "") == "user") {
+ GTEST_SKIP() << "Must run on userdebug/eng builds. b/262090304";
+ return;
+ }
+ std::string init_script = R"init(
+service console /system/bin/sh
+ class core
+ console null
+ disabled
+ user root
+ group root shell log readproc
+ seclabel u:r:shell:s0
+ setenv HOSTNAME console
+)init";
+
+ ActionManager action_manager;
+ ServiceList service_list;
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list);
+ ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1);
+
+ auto service = service_list.begin()->get();
+ ASSERT_NE(service, nullptr);
+ ASSERT_RESULT_OK(service->Start());
+ const pid_t pid = service->pid();
+ ASSERT_GT(pid, 0);
+ EXPECT_NE(getsid(pid), 0);
+ service->Stop();
+}
+
+static std::string GetSecurityContext() {
+ char* ctx;
+ if (getcon(&ctx) == -1) {
+ ADD_FAILURE() << "Failed to call getcon : " << strerror(errno);
+ }
+ std::string result = std::string(ctx);
+ freecon(ctx);
+ return result;
+}
+
+void TestStartApexServices(const std::vector<std::string>& service_names,
+ const std::string& apex_name) {
+ for (auto const& svc : service_names) {
+ auto service = ServiceList::GetInstance().FindService(svc);
+ ASSERT_NE(nullptr, service);
+ ASSERT_RESULT_OK(service->Start());
+ ASSERT_TRUE(service->IsRunning());
+ LOG(INFO) << "Service " << svc << " is running";
+ if (!apex_name.empty()) {
+ service->set_filename("/apex/" + apex_name + "/init_test.rc");
+ } else {
+ service->set_filename("");
+ }
+ }
+ if (!apex_name.empty()) {
+ auto apex_services = ServiceList::GetInstance().FindServicesByApexName(apex_name);
+ EXPECT_EQ(service_names.size(), apex_services.size());
+ }
+}
+
+void TestStopApexServices(const std::vector<std::string>& service_names, bool expect_to_run) {
+ for (auto const& svc : service_names) {
+ auto service = ServiceList::GetInstance().FindService(svc);
+ ASSERT_NE(nullptr, service);
+ EXPECT_EQ(expect_to_run, service->IsRunning());
+ }
+}
+
+void TestRemoveApexService(const std::vector<std::string>& service_names, bool exist) {
+ for (auto const& svc : service_names) {
+ auto service = ServiceList::GetInstance().FindService(svc);
+ ASSERT_EQ(exist, service != nullptr);
+ }
+}
+
+void InitApexService(const std::string_view& init_template) {
+ std::string init_script = StringReplace(init_template, "$selabel",
+ GetSecurityContext(), true);
+
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &ActionManager::GetInstance(),
+ &ServiceList::GetInstance());
+}
+
+void CleanupApexServices() {
+ std::vector<std::string> names;
+ for (const auto& s : ServiceList::GetInstance()) {
+ names.push_back(s->name());
+ }
+
+ for (const auto& name : names) {
+ auto s = ServiceList::GetInstance().FindService(name);
+ auto pid = s->pid();
+ ServiceList::GetInstance().RemoveService(*s);
+ if (pid > 0) {
+ kill(pid, SIGTERM);
+ kill(pid, SIGKILL);
+ }
+ }
+
+ ActionManager::GetInstance().RemoveActionIf([&](const std::unique_ptr<Action>& s) -> bool {
+ return true;
+ });
+}
+
+void TestApexServicesInit(const std::vector<std::string>& apex_services,
+ const std::vector<std::string>& other_apex_services,
+ const std::vector<std::string> non_apex_services) {
+ auto num_svc = apex_services.size() + other_apex_services.size() + non_apex_services.size();
+ ASSERT_EQ(num_svc, ServiceList::GetInstance().size());
+
+ TestStartApexServices(apex_services, "com.android.apex.test_service");
+ TestStartApexServices(other_apex_services, "com.android.other_apex.test_service");
+ TestStartApexServices(non_apex_services, /*apex_anme=*/ "");
+
+ StopServicesFromApex("com.android.apex.test_service");
+ TestStopApexServices(apex_services, /*expect_to_run=*/ false);
+ TestStopApexServices(other_apex_services, /*expect_to_run=*/ true);
+ TestStopApexServices(non_apex_services, /*expect_to_run=*/ true);
+
+ RemoveServiceAndActionFromApex("com.android.apex.test_service");
+ ASSERT_EQ(other_apex_services.size() + non_apex_services.size(),
+ ServiceList::GetInstance().size());
+
+ // TODO(b/244232142): Add test to check if actions are removed
+ TestRemoveApexService(apex_services, /*exist*/ false);
+ TestRemoveApexService(other_apex_services, /*exist*/ true);
+ TestRemoveApexService(non_apex_services, /*exist*/ true);
+
+ CleanupApexServices();
+}
+
+TEST(init, StopServiceByApexName) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string_view script_template = R"init(
+service apex_test_service /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(script_template);
+ TestApexServicesInit({"apex_test_service"}, {}, {});
+}
+
+TEST(init, StopMultipleServicesByApexName) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string_view script_template = R"init(
+service apex_test_service_multiple_a /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+service apex_test_service_multiple_b /system/bin/id
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(script_template);
+ TestApexServicesInit({"apex_test_service_multiple_a",
+ "apex_test_service_multiple_b"}, {}, {});
+}
+
+TEST(init, StopServicesFromMultipleApexes) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string_view apex_script_template = R"init(
+service apex_test_service_multi_apex_a /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+service apex_test_service_multi_apex_b /system/bin/id
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(apex_script_template);
+
+ std::string_view other_apex_script_template = R"init(
+service apex_test_service_multi_apex_c /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(other_apex_script_template);
+
+ TestApexServicesInit({"apex_test_service_multi_apex_a",
+ "apex_test_service_multi_apex_b"}, {"apex_test_service_multi_apex_c"}, {});
+}
+
+TEST(init, StopServicesFromApexAndNonApex) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string_view apex_script_template = R"init(
+service apex_test_service_apex_a /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+service apex_test_service_apex_b /system/bin/id
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(apex_script_template);
+
+ std::string_view non_apex_script_template = R"init(
+service apex_test_service_non_apex /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(non_apex_script_template);
+
+ TestApexServicesInit({"apex_test_service_apex_a",
+ "apex_test_service_apex_b"}, {}, {"apex_test_service_non_apex"});
+}
+
+TEST(init, StopServicesFromApexMixed) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string_view script_template = R"init(
+service apex_test_service_mixed_a /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(script_template);
+
+ std::string_view other_apex_script_template = R"init(
+service apex_test_service_mixed_b /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(other_apex_script_template);
+
+ std::string_view non_apex_script_template = R"init(
+service apex_test_service_mixed_c /system/bin/yes
+ user shell
+ group shell
+ seclabel $selabel
+)init";
+ InitApexService(non_apex_script_template);
+
+ TestApexServicesInit({"apex_test_service_mixed_a"},
+ {"apex_test_service_mixed_b"}, {"apex_test_service_mixed_c"});
+}
+
TEST(init, EventTriggerOrderMultipleFiles) {
// 6 total files, which should have their triggers executed in the following order:
// 1: start - original script parsed
@@ -338,20 +603,6 @@
EXPECT_EQ(2, num_executed);
}
-TEST(init, RespondToCtlApexMessages) {
- if (getuid() != 0) {
- GTEST_SKIP() << "Skipping test, must be run as root.";
- return;
- }
-
- std::string apex_name = "com.android.apex.cts.shim";
- SetProperty("ctl.apex_unload", apex_name);
- EXPECT_TRUE(WaitForProperty("init.apex." + apex_name, "unloaded", 10s));
-
- SetProperty("ctl.apex_load", apex_name);
- EXPECT_TRUE(WaitForProperty("init.apex." + apex_name, "loaded", 10s));
-}
-
TEST(init, RejectsCriticalAndOneshotService) {
if (GetIntProperty("ro.product.first_api_level", 10000) < 30) {
GTEST_SKIP() << "Test only valid for devices launching with R or later";
@@ -378,6 +629,105 @@
ASSERT_EQ(1u, parser.parse_error_count());
}
+TEST(init, MemLockLimit) {
+ // Test is enforced only for U+ devices
+ if (android::base::GetIntProperty("ro.vendor.api_level", 0) < __ANDROID_API_U__) {
+ GTEST_SKIP();
+ }
+
+ // Verify we are running memlock at, or under, 64KB
+ const unsigned long max_limit = 65536;
+ struct rlimit curr_limit;
+ ASSERT_EQ(getrlimit(RLIMIT_MEMLOCK, &curr_limit), 0);
+ ASSERT_LE(curr_limit.rlim_cur, max_limit);
+ ASSERT_LE(curr_limit.rlim_max, max_limit);
+}
+
+static std::vector<const char*> ConvertToArgv(const std::vector<std::string>& args) {
+ std::vector<const char*> argv;
+ argv.reserve(args.size() + 1);
+ for (const auto& arg : args) {
+ if (argv.empty()) {
+ LOG(DEBUG) << arg;
+ } else {
+ LOG(DEBUG) << " " << arg;
+ }
+ argv.emplace_back(arg.data());
+ }
+ argv.emplace_back(nullptr);
+ return argv;
+}
+
+pid_t ForkExecvpAsync(const std::vector<std::string>& args) {
+ auto argv = ConvertToArgv(args);
+
+ pid_t pid = fork();
+ if (pid == 0) {
+ close(STDIN_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+
+ execvp(argv[0], const_cast<char**>(argv.data()));
+ PLOG(ERROR) << "exec in ForkExecvpAsync init test";
+ _exit(EXIT_FAILURE);
+ }
+ if (pid == -1) {
+ PLOG(ERROR) << "fork in ForkExecvpAsync init test";
+ return -1;
+ }
+ return pid;
+}
+
+TEST(init, GentleKill) {
+ std::string init_script = R"init(
+service test_gentle_kill /system/bin/sleep 1000
+ disabled
+ oneshot
+ gentle_kill
+ user root
+ group root
+ seclabel u:r:toolbox:s0
+)init";
+
+ ActionManager action_manager;
+ ServiceList service_list;
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list);
+ ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1);
+
+ auto service = service_list.begin()->get();
+ ASSERT_NE(service, nullptr);
+ ASSERT_RESULT_OK(service->Start());
+ const pid_t pid = service->pid();
+ ASSERT_GT(pid, 0);
+ EXPECT_NE(getsid(pid), 0);
+
+ TemporaryFile logfile;
+ logfile.DoNotRemove();
+ ASSERT_TRUE(logfile.fd != -1);
+
+ std::vector<std::string> cmd;
+ cmd.push_back("system/bin/strace");
+ cmd.push_back("-o");
+ cmd.push_back(logfile.path);
+ cmd.push_back("-e");
+ cmd.push_back("signal");
+ cmd.push_back("-p");
+ cmd.push_back(std::to_string(pid));
+ pid_t strace_pid = ForkExecvpAsync(cmd);
+
+ // Give strace a moment to connect
+ std::this_thread::sleep_for(1s);
+ service->Stop();
+
+ int status;
+ waitpid(strace_pid, &status, 0);
+
+ std::string logs;
+ android::base::ReadFdToString(logfile.fd, &logs);
+ int pos = logs.find("killed by SIGTERM");
+ ASSERT_NE(pos, (int)std::string::npos);
+}
+
class TestCaseLogger : public ::testing::EmptyTestEventListener {
void OnTestStart(const ::testing::TestInfo& test_info) override {
#ifdef __ANDROID__
diff --git a/init/interprocess_fifo.cpp b/init/interprocess_fifo.cpp
new file mode 100644
index 0000000..6e0d031
--- /dev/null
+++ b/init/interprocess_fifo.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "interprocess_fifo.h"
+
+#include <android-base/logging.h>
+
+#include <unistd.h>
+
+using ::android::base::ErrnoError;
+using ::android::base::Error;
+using ::android::base::Result;
+
+namespace android {
+namespace init {
+
+InterprocessFifo::InterprocessFifo() noexcept : fds_({-1, -1}) {}
+
+InterprocessFifo::InterprocessFifo(InterprocessFifo&& orig) noexcept : fds_({-1, -1}) {
+ std::swap(fds_, orig.fds_);
+}
+
+InterprocessFifo::~InterprocessFifo() noexcept {
+ Close();
+}
+
+void InterprocessFifo::CloseFd(int& fd) noexcept {
+ if (fd >= 0) {
+ close(fd);
+ fd = -1;
+ }
+}
+
+void InterprocessFifo::CloseReadFd() noexcept {
+ CloseFd(fds_[0]);
+}
+
+void InterprocessFifo::CloseWriteFd() noexcept {
+ CloseFd(fds_[1]);
+}
+
+void InterprocessFifo::Close() noexcept {
+ CloseReadFd();
+ CloseWriteFd();
+}
+
+Result<void> InterprocessFifo::Initialize() noexcept {
+ if (fds_[0] >= 0) {
+ return Error() << "already initialized";
+ }
+ if (pipe(fds_.data()) < 0) { // NOLINT(android-cloexec-pipe)
+ return ErrnoError() << "pipe()";
+ }
+ return {};
+}
+
+Result<uint8_t> InterprocessFifo::Read() noexcept {
+ uint8_t byte;
+ ssize_t count = read(fds_[0], &byte, 1);
+ if (count < 0) {
+ return ErrnoError() << "read()";
+ }
+ if (count == 0) {
+ return Error() << "read() EOF";
+ }
+ DCHECK_EQ(count, 1);
+ return byte;
+}
+
+Result<void> InterprocessFifo::Write(uint8_t byte) noexcept {
+ ssize_t written = write(fds_[1], &byte, 1);
+ if (written < 0) {
+ return ErrnoError() << "write()";
+ }
+ if (written == 0) {
+ return Error() << "write() EOF";
+ }
+ DCHECK_EQ(written, 1);
+ return {};
+}
+
+} // namespace init
+} // namespace android
diff --git a/init/interprocess_fifo.h b/init/interprocess_fifo.h
new file mode 100644
index 0000000..cdaac86
--- /dev/null
+++ b/init/interprocess_fifo.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <array>
+
+#include <android-base/result.h>
+
+namespace android {
+namespace init {
+
+// A FIFO for inter-process communication that uses a Unix pipe internally.
+class InterprocessFifo {
+ public:
+ template <typename T>
+ using Result = ::android::base::Result<T>;
+
+ InterprocessFifo() noexcept;
+ InterprocessFifo(const InterprocessFifo& orig) noexcept = delete;
+ InterprocessFifo(InterprocessFifo&& orig) noexcept;
+ InterprocessFifo& operator=(const InterprocessFifo& orig) noexcept = delete;
+ InterprocessFifo& operator=(InterprocessFifo&& orig) noexcept = delete;
+ ~InterprocessFifo() noexcept;
+ void CloseReadFd() noexcept;
+ void CloseWriteFd() noexcept;
+ void Close() noexcept;
+ Result<void> Initialize() noexcept;
+ Result<void> Write(uint8_t byte) noexcept;
+ Result<uint8_t> Read() noexcept;
+
+ private:
+ static void CloseFd(int& fd) noexcept;
+
+ std::array<int, 2> fds_;
+};
+
+} // namespace init
+} // namespace android
diff --git a/init/interprocess_fifo_test.cpp b/init/interprocess_fifo_test.cpp
new file mode 100644
index 0000000..81cfbac
--- /dev/null
+++ b/init/interprocess_fifo_test.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "interprocess_fifo.h"
+
+#include <android-base/result-gmock.h>
+#include <gtest/gtest.h>
+
+#define ASSERT_OK(e) ASSERT_THAT(e, Ok())
+#define ASSERT_NOT_OK(e) ASSERT_THAT(e, Not(Ok()))
+
+using ::android::base::Result;
+using ::android::base::testing::Ok;
+using ::testing::Not;
+
+namespace android {
+namespace init {
+
+TEST(FifoTest, WriteAndRead) {
+ InterprocessFifo fifo;
+ ASSERT_OK(fifo.Initialize());
+ ASSERT_OK(fifo.Write('a'));
+ ASSERT_OK(fifo.Write('b'));
+ Result<uint8_t> result = fifo.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'a');
+ result = fifo.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'b');
+ InterprocessFifo fifo2 = std::move(fifo);
+ ASSERT_NOT_OK(fifo.Write('c'));
+ ASSERT_NOT_OK(fifo.Read());
+ ASSERT_OK(fifo2.Write('d'));
+ result = fifo2.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'd');
+}
+
+} // namespace init
+} // namespace android
diff --git a/init/keychords_test.cpp b/init/keychords_test.cpp
index 8a333a2..5789bf5 100644
--- a/init/keychords_test.cpp
+++ b/init/keychords_test.cpp
@@ -212,11 +212,8 @@
}
void TestFrame::RelaxForMs(std::chrono::milliseconds wait) {
- auto pending_functions = epoll_.Wait(wait);
- ASSERT_RESULT_OK(pending_functions);
- for (const auto& function : *pending_functions) {
- (*function)();
- }
+ auto epoll_result = epoll_.Wait(wait);
+ ASSERT_RESULT_OK(epoll_result);
}
void TestFrame::SetChord(int key, bool value) {
diff --git a/init/parser.cpp b/init/parser.cpp
index abc2017..adb41ad 100644
--- a/init/parser.cpp
+++ b/init/parser.cpp
@@ -141,71 +141,19 @@
return true;
}
-bool Parser::ParseConfigFile(const std::string& path) {
+Result<void> Parser::ParseConfigFile(const std::string& path) {
LOG(INFO) << "Parsing file " << path << "...";
android::base::Timer t;
auto config_contents = ReadFile(path);
if (!config_contents.ok()) {
- LOG(INFO) << "Unable to read config file '" << path << "': " << config_contents.error();
- return false;
+ return Error() << "Unable to read config file '" << path
+ << "': " << config_contents.error();
}
ParseData(path, &config_contents.value());
LOG(VERBOSE) << "(Parsing " << path << " took " << t << ".)";
- return true;
-}
-
-std::vector<std::string> Parser::FilterVersionedConfigs(const std::vector<std::string>& configs,
- int active_sdk) {
- std::vector<std::string> filtered_configs;
-
- std::map<std::string, std::pair<std::string, int>> script_map;
- for (const auto& c : configs) {
- int sdk = 0;
- const std::vector<std::string> parts = android::base::Split(c, ".");
- std::string base;
- if (parts.size() < 2) {
- continue;
- }
-
- // parts[size()-1], aka the suffix, should be "rc" or "#rc"
- // any other pattern gets discarded
-
- const auto& suffix = parts[parts.size() - 1];
- if (suffix == "rc") {
- sdk = 0;
- } else {
- char trailer[9] = {0};
- int r = sscanf(suffix.c_str(), "%d%8s", &sdk, trailer);
- if (r != 2) {
- continue;
- }
- if (strlen(trailer) > 2 || strcmp(trailer, "rc") != 0) {
- continue;
- }
- }
-
- if (sdk < 0 || sdk > active_sdk) {
- continue;
- }
-
- base = parts[0];
- for (unsigned int i = 1; i < parts.size() - 1; i++) {
- base = base + "." + parts[i];
- }
-
- // is this preferred over what we already have
- auto it = script_map.find(base);
- if (it == script_map.end() || it->second.second < sdk) {
- script_map[base] = std::make_pair(c, sdk);
- }
- }
-
- for (const auto& m : script_map) {
- filtered_configs.push_back(m.second.first);
- }
- return filtered_configs;
+ return {};
}
bool Parser::ParseConfigDir(const std::string& path) {
@@ -228,8 +176,8 @@
// Sort first so we load files in a consistent order (bug 31996208)
std::sort(files.begin(), files.end());
for (const auto& file : files) {
- if (!ParseConfigFile(file)) {
- LOG(ERROR) << "could not import file '" << file << "'";
+ if (auto result = ParseConfigFile(file); !result.ok()) {
+ LOG(ERROR) << "could not import file '" << file << "': " << result.error();
}
}
return true;
@@ -239,7 +187,11 @@
if (is_dir(path.c_str())) {
return ParseConfigDir(path);
}
- return ParseConfigFile(path);
+ auto result = ParseConfigFile(path);
+ if (!result.ok()) {
+ LOG(INFO) << result.error();
+ }
+ return result.ok();
}
} // namespace init
diff --git a/init/parser.h b/init/parser.h
index 2f4108f..980ae0c 100644
--- a/init/parser.h
+++ b/init/parser.h
@@ -72,16 +72,10 @@
Parser();
bool ParseConfig(const std::string& path);
- bool ParseConfigFile(const std::string& path);
+ Result<void> ParseConfigFile(const std::string& path);
void AddSectionParser(const std::string& name, std::unique_ptr<SectionParser> parser);
void AddSingleLineParser(const std::string& prefix, LineCallback callback);
- // Compare all files */path.#rc and */path.rc with the same path prefix.
- // Keep the one with the highest # that doesn't exceed the system's SDK.
- // (.rc == .0rc for ranking purposes)
- std::vector<std::string> FilterVersionedConfigs(const std::vector<std::string>& configs,
- int active_sdk);
-
// Host init verifier check file permissions.
bool ParseConfigFileInsecure(const std::string& path);
diff --git a/init/persistent_properties.cpp b/init/persistent_properties.cpp
index 716f62e..8db7267 100644
--- a/init/persistent_properties.cpp
+++ b/init/persistent_properties.cpp
@@ -77,7 +77,7 @@
}
struct stat sb;
- if (fstat(fd, &sb) == -1) {
+ if (fstat(fd.get(), &sb) == -1) {
PLOG(ERROR) << "fstat on property file \"" << entry->d_name << "\" failed";
continue;
}
@@ -155,19 +155,33 @@
return *file_contents;
}
+Result<PersistentProperties> ParsePersistentPropertyFile(const std::string& file_contents) {
+ PersistentProperties persistent_properties;
+ if (!persistent_properties.ParseFromString(file_contents)) {
+ return Error() << "Unable to parse persistent property file: Could not parse protobuf";
+ }
+ for (auto& prop : persistent_properties.properties()) {
+ if (!StartsWith(prop.name(), "persist.")) {
+ return Error() << "Unable to load persistent property file: property '" << prop.name()
+ << "' doesn't start with 'persist.'";
+ }
+ }
+ return persistent_properties;
+}
+
} // namespace
Result<PersistentProperties> LoadPersistentPropertyFile() {
auto file_contents = ReadPersistentPropertyFile();
if (!file_contents.ok()) return file_contents.error();
- PersistentProperties persistent_properties;
- if (persistent_properties.ParseFromString(*file_contents)) return persistent_properties;
-
- // If the file cannot be parsed in either format, then we don't have any recovery
- // mechanisms, so we delete it to allow for future writes to take place successfully.
- unlink(persistent_property_filename.c_str());
- return Error() << "Unable to parse persistent property file: Could not parse protobuf";
+ auto persistent_properties = ParsePersistentPropertyFile(*file_contents);
+ if (!persistent_properties.ok()) {
+ // If the file cannot be parsed in either format, then we don't have any recovery
+ // mechanisms, so we delete it to allow for future writes to take place successfully.
+ unlink(persistent_property_filename.c_str());
+ }
+ return persistent_properties;
}
Result<void> WritePersistentPropertyFile(const PersistentProperties& persistent_properties) {
@@ -184,7 +198,7 @@
if (!WriteStringToFd(serialized_string, fd)) {
return ErrnoError() << "Unable to write file contents";
}
- fsync(fd);
+ fsync(fd.get());
fd.reset();
if (rename(temp_filename.c_str(), persistent_property_filename.c_str())) {
@@ -202,7 +216,7 @@
if (dir_fd < 0) {
return ErrnoError() << "Unable to open persistent properties directory for fsync()";
}
- fsync(dir_fd);
+ fsync(dir_fd.get());
return {};
}
diff --git a/init/persistent_properties_test.cpp b/init/persistent_properties_test.cpp
index 60cecde..e5d26db 100644
--- a/init/persistent_properties_test.cpp
+++ b/init/persistent_properties_test.cpp
@@ -155,5 +155,28 @@
EXPECT_FALSE(it == read_back_properties.properties().end());
}
+TEST(persistent_properties, RejectNonPersistProperty) {
+ TemporaryFile tf;
+ ASSERT_TRUE(tf.fd != -1);
+ persistent_property_filename = tf.path;
+
+ WritePersistentProperty("notpersist.sys.locale", "pt-BR");
+
+ auto read_back_properties = LoadPersistentProperties();
+ EXPECT_EQ(read_back_properties.properties().size(), 0);
+
+ WritePersistentProperty("persist.sys.locale", "pt-BR");
+
+ read_back_properties = LoadPersistentProperties();
+ EXPECT_GT(read_back_properties.properties().size(), 0);
+
+ auto it = std::find_if(read_back_properties.properties().begin(),
+ read_back_properties.properties().end(), [](const auto& entry) {
+ return entry.name() == "persist.sys.locale" &&
+ entry.value() == "pt-BR";
+ });
+ EXPECT_FALSE(it == read_back_properties.properties().end());
+}
+
} // namespace init
} // namespace android
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 7e92538..87ffdb9 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -98,6 +98,9 @@
namespace android {
namespace init {
+
+class PersistWriteThread;
+
constexpr auto FINGERPRINT_PROP = "ro.build.fingerprint";
constexpr auto LEGACY_FINGERPRINT_PROP = "ro.build.legacy.fingerprint";
constexpr auto ID_PROP = "ro.build.id";
@@ -115,6 +118,8 @@
static std::mutex accept_messages_lock;
static std::thread property_service_thread;
+static std::unique_ptr<PersistWriteThread> persist_write_thread;
+
static PropertyInfoAreaFile property_info_area;
struct PropertyAuditData {
@@ -177,48 +182,13 @@
return has_access;
}
-static uint32_t PropertySet(const std::string& name, const std::string& value, std::string* error) {
- size_t valuelen = value.size();
-
- if (!IsLegalPropertyName(name)) {
- *error = "Illegal property name";
- return PROP_ERROR_INVALID_NAME;
- }
-
- if (auto result = IsLegalPropertyValue(name, value); !result.ok()) {
- *error = result.error().message();
- return PROP_ERROR_INVALID_VALUE;
- }
-
- prop_info* pi = (prop_info*) __system_property_find(name.c_str());
- if (pi != nullptr) {
- // ro.* properties are actually "write-once".
- if (StartsWith(name, "ro.")) {
- *error = "Read-only property was already set";
- return PROP_ERROR_READ_ONLY_PROPERTY;
- }
-
- __system_property_update(pi, value.c_str(), valuelen);
- } else {
- int rc = __system_property_add(name.c_str(), name.size(), value.c_str(), valuelen);
- if (rc < 0) {
- *error = "__system_property_add failed";
- return PROP_ERROR_SET_FAILED;
- }
- }
-
- // Don't write properties to disk until after we have read all default
- // properties to prevent them from being overwritten by default values.
- if (persistent_properties_loaded && StartsWith(name, "persist.")) {
- WritePersistentProperty(name, value);
- }
+void NotifyPropertyChange(const std::string& name, const std::string& value) {
// If init hasn't started its main loop, then it won't be handling property changed messages
// anyway, so there's no need to try to send them.
auto lock = std::lock_guard{accept_messages_lock};
if (accept_messages) {
PropertyChanged(name, value);
}
- return PROP_SUCCESS;
}
class AsyncRestorecon {
@@ -259,7 +229,9 @@
class SocketConnection {
public:
+ SocketConnection() = default;
SocketConnection(int socket, const ucred& cred) : socket_(socket), cred_(cred) {}
+ SocketConnection(SocketConnection&&) = default;
bool RecvUint32(uint32_t* value, uint32_t* timeout_ms) {
return RecvFully(value, sizeof(*value), timeout_ms);
@@ -300,13 +272,13 @@
if (!socket_.ok()) {
return true;
}
- int result = TEMP_FAILURE_RETRY(send(socket_, &value, sizeof(value), 0));
+ int result = TEMP_FAILURE_RETRY(send(socket_.get(), &value, sizeof(value), 0));
return result == sizeof(value);
}
bool GetSourceContext(std::string* source_context) const {
char* c_source_context = nullptr;
- if (getpeercon(socket_, &c_source_context) != 0) {
+ if (getpeercon(socket_.get(), &c_source_context) != 0) {
return false;
}
*source_context = c_source_context;
@@ -318,15 +290,17 @@
const ucred& cred() { return cred_; }
+ SocketConnection& operator=(SocketConnection&&) = default;
+
private:
bool PollIn(uint32_t* timeout_ms) {
- struct pollfd ufds[1];
- ufds[0].fd = socket_;
- ufds[0].events = POLLIN;
- ufds[0].revents = 0;
+ struct pollfd ufd = {
+ .fd = socket_.get(),
+ .events = POLLIN,
+ };
while (*timeout_ms > 0) {
auto start_time = std::chrono::steady_clock::now();
- int nr = poll(ufds, 1, *timeout_ms);
+ int nr = poll(&ufd, 1, *timeout_ms);
auto now = std::chrono::steady_clock::now();
auto time_elapsed =
std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time);
@@ -368,7 +342,7 @@
return false;
}
- int result = TEMP_FAILURE_RETRY(recv(socket_, data, bytes_left, MSG_DONTWAIT));
+ int result = TEMP_FAILURE_RETRY(recv(socket_.get(), data, bytes_left, MSG_DONTWAIT));
if (result <= 0) {
PLOG(ERROR) << "sys_prop: recv error";
return false;
@@ -388,9 +362,78 @@
unique_fd socket_;
ucred cred_;
- DISALLOW_IMPLICIT_CONSTRUCTORS(SocketConnection);
+ DISALLOW_COPY_AND_ASSIGN(SocketConnection);
};
+class PersistWriteThread {
+ public:
+ PersistWriteThread();
+ void Write(std::string name, std::string value, SocketConnection socket);
+
+ private:
+ void Work();
+
+ private:
+ std::thread thread_;
+ std::mutex mutex_;
+ std::condition_variable cv_;
+ std::deque<std::tuple<std::string, std::string, SocketConnection>> work_;
+};
+
+static std::optional<uint32_t> PropertySet(const std::string& name, const std::string& value,
+ SocketConnection* socket, std::string* error) {
+ size_t valuelen = value.size();
+
+ if (!IsLegalPropertyName(name)) {
+ *error = "Illegal property name";
+ return {PROP_ERROR_INVALID_NAME};
+ }
+
+ if (auto result = IsLegalPropertyValue(name, value); !result.ok()) {
+ *error = result.error().message();
+ return {PROP_ERROR_INVALID_VALUE};
+ }
+
+ prop_info* pi = (prop_info*)__system_property_find(name.c_str());
+ if (pi != nullptr) {
+ // ro.* properties are actually "write-once".
+ if (StartsWith(name, "ro.")) {
+ *error = "Read-only property was already set";
+ return {PROP_ERROR_READ_ONLY_PROPERTY};
+ }
+
+ __system_property_update(pi, value.c_str(), valuelen);
+ } else {
+ int rc = __system_property_add(name.c_str(), name.size(), value.c_str(), valuelen);
+ if (rc < 0) {
+ *error = "__system_property_add failed";
+ return {PROP_ERROR_SET_FAILED};
+ }
+ }
+
+ // Don't write properties to disk until after we have read all default
+ // properties to prevent them from being overwritten by default values.
+ if (socket && persistent_properties_loaded && StartsWith(name, "persist.")) {
+ if (persist_write_thread) {
+ persist_write_thread->Write(name, value, std::move(*socket));
+ return {};
+ }
+ WritePersistentProperty(name, value);
+ }
+
+ NotifyPropertyChange(name, value);
+ return {PROP_SUCCESS};
+}
+
+// Helper for PropertySet, for the case where no socket is used, and therefore an asynchronous
+// return is not possible.
+static uint32_t PropertySetNoSocket(const std::string& name, const std::string& value,
+ std::string* error) {
+ auto ret = PropertySet(name, value, nullptr, error);
+ CHECK(ret.has_value());
+ return *ret;
+}
+
static uint32_t SendControlMessage(const std::string& msg, const std::string& name, pid_t pid,
SocketConnection* socket, std::string* error) {
auto lock = std::lock_guard{accept_messages_lock};
@@ -481,16 +524,17 @@
return PROP_SUCCESS;
}
-// This returns one of the enum of PROP_SUCCESS or PROP_ERROR*.
-uint32_t HandlePropertySet(const std::string& name, const std::string& value,
- const std::string& source_context, const ucred& cr,
- SocketConnection* socket, std::string* error) {
+// This returns one of the enum of PROP_SUCCESS or PROP_ERROR*, or std::nullopt
+// if asynchronous.
+std::optional<uint32_t> HandlePropertySet(const std::string& name, const std::string& value,
+ const std::string& source_context, const ucred& cr,
+ SocketConnection* socket, std::string* error) {
if (auto ret = CheckPermissions(name, value, source_context, cr, error); ret != PROP_SUCCESS) {
- return ret;
+ return {ret};
}
if (StartsWith(name, "ctl.")) {
- return SendControlMessage(name.c_str() + 4, value, cr.pid, socket, error);
+ return {SendControlMessage(name.c_str() + 4, value, cr.pid, socket, error)};
}
// sys.powerctl is a special property that is used to make the device reboot. We want to log
@@ -511,7 +555,7 @@
}
if (value == "reboot,userspace" && !is_userspace_reboot_supported().value_or(false)) {
*error = "Userspace reboot is not supported by this device";
- return PROP_ERROR_INVALID_VALUE;
+ return {PROP_ERROR_INVALID_VALUE};
}
}
@@ -522,10 +566,20 @@
if (name == kRestoreconProperty && cr.pid != 1 && !value.empty()) {
static AsyncRestorecon async_restorecon;
async_restorecon.TriggerRestorecon(value);
- return PROP_SUCCESS;
+ return {PROP_SUCCESS};
}
- return PropertySet(name, value, error);
+ return PropertySet(name, value, socket, error);
+}
+
+// Helper for HandlePropertySet, for the case where no socket is used, and
+// therefore an asynchronous return is not possible.
+uint32_t HandlePropertySetNoSocket(const std::string& name, const std::string& value,
+ const std::string& source_context, const ucred& cr,
+ std::string* error) {
+ auto ret = HandlePropertySet(name, value, source_context, cr, nullptr, error);
+ CHECK(ret.has_value());
+ return *ret;
}
static void handle_property_set_fd() {
@@ -576,8 +630,7 @@
const auto& cr = socket.cred();
std::string error;
- uint32_t result =
- HandlePropertySet(prop_name, prop_value, source_context, cr, nullptr, &error);
+ auto result = HandlePropertySetNoSocket(prop_name, prop_value, source_context, cr, &error);
if (result != PROP_SUCCESS) {
LOG(ERROR) << "Unable to set property '" << prop_name << "' from uid:" << cr.uid
<< " gid:" << cr.gid << " pid:" << cr.pid << ": " << error;
@@ -603,14 +656,19 @@
return;
}
+ // HandlePropertySet takes ownership of the socket if the set is handled asynchronously.
const auto& cr = socket.cred();
std::string error;
- uint32_t result = HandlePropertySet(name, value, source_context, cr, &socket, &error);
- if (result != PROP_SUCCESS) {
+ auto result = HandlePropertySet(name, value, source_context, cr, &socket, &error);
+ if (!result) {
+ // Result will be sent after completion.
+ return;
+ }
+ if (*result != PROP_SUCCESS) {
LOG(ERROR) << "Unable to set property '" << name << "' from uid:" << cr.uid
<< " gid:" << cr.gid << " pid:" << cr.pid << ": " << error;
}
- socket.SendUint32(result);
+ socket.SendUint32(*result);
break;
}
@@ -622,10 +680,9 @@
}
uint32_t InitPropertySet(const std::string& name, const std::string& value) {
- uint32_t result = 0;
ucred cr = {.pid = 1, .uid = 0, .gid = 0};
std::string error;
- result = HandlePropertySet(name, value, kInitContext, cr, nullptr, &error);
+ auto result = HandlePropertySetNoSocket(name, value, kInitContext, cr, &error);
if (result != PROP_SUCCESS) {
LOG(ERROR) << "Init cannot set '" << name << "' to '" << value << "': " << error;
}
@@ -795,7 +852,7 @@
load_properties_from_file("/data/local.prop", nullptr, &properties);
for (const auto& [name, value] : properties) {
std::string error;
- if (PropertySet(name, value, &error) != PROP_SUCCESS) {
+ if (PropertySetNoSocket(name, value, &error) != PROP_SUCCESS) {
LOG(ERROR) << "Could not set '" << name << "' to '" << value
<< "' in /data/local.prop: " << error;
}
@@ -861,7 +918,7 @@
LOG(INFO) << "Setting product property " << base_prop << " to '" << target_prop_val
<< "' (from " << target_prop << ")";
std::string error;
- uint32_t res = PropertySet(base_prop, target_prop_val, &error);
+ auto res = PropertySetNoSocket(base_prop, target_prop_val, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting product property " << base_prop << ": err=" << res
<< " (" << error << ")";
@@ -890,7 +947,7 @@
}
std::string error;
- auto res = PropertySet(ID_PROP, build_id, &error);
+ auto res = PropertySetNoSocket(ID_PROP, build_id, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Failed to set " << ID_PROP << " to " << build_id;
}
@@ -938,7 +995,7 @@
<< legacy_build_fingerprint << "'";
std::string error;
- uint32_t res = PropertySet(LEGACY_FINGERPRINT_PROP, legacy_build_fingerprint, &error);
+ auto res = PropertySetNoSocket(LEGACY_FINGERPRINT_PROP, legacy_build_fingerprint, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << LEGACY_FINGERPRINT_PROP << "': err=" << res
<< " (" << error << ")";
@@ -956,7 +1013,7 @@
LOG(INFO) << "Setting property '" << FINGERPRINT_PROP << "' to '" << build_fingerprint << "'";
std::string error;
- uint32_t res = PropertySet(FINGERPRINT_PROP, build_fingerprint, &error);
+ auto res = PropertySetNoSocket(FINGERPRINT_PROP, build_fingerprint, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << FINGERPRINT_PROP << "': err=" << res << " ("
<< error << ")";
@@ -1018,7 +1075,7 @@
LOG(INFO) << "Setting property '" << prop << "' to '" << prop_val << "'";
std::string error;
- uint32_t res = PropertySet(prop, prop_val, &error);
+ auto res = PropertySetNoSocket(prop, prop_val, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << prop << "': err=" << res << " (" << error
<< ")";
@@ -1052,7 +1109,7 @@
int api_level = std::min(read_api_level_props(BOARD_API_LEVEL_PROPS),
read_api_level_props(DEVICE_API_LEVEL_PROPS));
std::string error;
- uint32_t res = PropertySet(VENDOR_API_LEVEL_PROP, std::to_string(api_level), &error);
+ auto res = PropertySetNoSocket(VENDOR_API_LEVEL_PROP, std::to_string(api_level), &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Failed to set " << VENDOR_API_LEVEL_PROP << " with " << api_level << ": "
<< error << "(" << res << ")";
@@ -1146,7 +1203,7 @@
for (const auto& [name, value] : properties) {
std::string error;
- if (PropertySet(name, value, &error) != PROP_SUCCESS) {
+ if (PropertySetNoSocket(name, value, &error) != PROP_SUCCESS) {
LOG(ERROR) << "Could not set '" << name << "' to '" << value
<< "' while loading .prop files" << error;
}
@@ -1381,17 +1438,53 @@
}
while (true) {
- auto pending_functions = epoll.Wait(std::nullopt);
- if (!pending_functions.ok()) {
- LOG(ERROR) << pending_functions.error();
- } else {
- for (const auto& function : *pending_functions) {
- (*function)();
- }
+ auto epoll_result = epoll.Wait(std::nullopt);
+ if (!epoll_result.ok()) {
+ LOG(ERROR) << epoll_result.error();
}
}
}
+PersistWriteThread::PersistWriteThread() {
+ auto new_thread = std::thread([this]() -> void { Work(); });
+ thread_.swap(new_thread);
+}
+
+void PersistWriteThread::Work() {
+ while (true) {
+ std::tuple<std::string, std::string, SocketConnection> item;
+
+ // Grab the next item within the lock.
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+
+ while (work_.empty()) {
+ cv_.wait(lock);
+ }
+
+ item = std::move(work_.front());
+ work_.pop_front();
+ }
+
+ std::this_thread::sleep_for(1s);
+
+ // Perform write/fsync outside the lock.
+ WritePersistentProperty(std::get<0>(item), std::get<1>(item));
+ NotifyPropertyChange(std::get<0>(item), std::get<1>(item));
+
+ SocketConnection& socket = std::get<2>(item);
+ socket.SendUint32(PROP_SUCCESS);
+ }
+}
+
+void PersistWriteThread::Write(std::string name, std::string value, SocketConnection socket) {
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ work_.emplace_back(std::move(name), std::move(value), std::move(socket));
+ }
+ cv_.notify_all();
+}
+
void StartPropertyService(int* epoll_socket) {
InitPropertySet("ro.property_service.version", "2");
@@ -1404,7 +1497,8 @@
StartSendingMessages();
if (auto result = CreateSocket(PROP_SERVICE_NAME, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
- false, 0666, 0, 0, {});
+ /*passcred=*/false, /*should_listen=*/false, 0666, /*uid=*/0,
+ /*gid=*/0, /*socketcon=*/{});
result.ok()) {
property_set_fd = *result;
} else {
@@ -1415,6 +1509,13 @@
auto new_thread = std::thread{PropertyServiceThread};
property_service_thread.swap(new_thread);
+
+ auto async_persist_writes =
+ android::base::GetBoolProperty("ro.property_service.async_persist_writes", false);
+
+ if (async_persist_writes) {
+ persist_write_thread = std::make_unique<PersistWriteThread>();
+ }
}
} // namespace init
diff --git a/init/property_service.h b/init/property_service.h
index 2d49a36..71a609c 100644
--- a/init/property_service.h
+++ b/init/property_service.h
@@ -18,7 +18,11 @@
#include <sys/socket.h>
+#include <condition_variable>
+#include <deque>
+#include <mutex>
#include <string>
+#include <thread>
#include "epoll.h"
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 4e4bfd8..27a7876 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -51,6 +51,7 @@
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
#include <fs_mgr.h>
+#include <libsnapshot/snapshot.h>
#include <logwrap/logwrap.h>
#include <private/android_filesystem_config.h>
#include <selinux/selinux.h>
@@ -422,11 +423,31 @@
if (run_fsck && !FindPartitionsToUmount(&block_devices, &emulated_devices, false)) {
return UMOUNT_STAT_ERROR;
}
-
+ auto sm = snapshot::SnapshotManager::New();
+ bool ota_update_in_progress = false;
+ if (sm->IsUserspaceSnapshotUpdateInProgress()) {
+ LOG(INFO) << "OTA update in progress";
+ ota_update_in_progress = true;
+ }
UmountStat stat = UmountPartitions(timeout - t.duration());
if (stat != UMOUNT_STAT_SUCCESS) {
LOG(INFO) << "umount timeout, last resort, kill all and try";
if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo();
+ // Since umount timedout, we will try to kill all processes
+ // and do one more attempt to umount the partitions.
+ //
+ // However, if OTA update is in progress, we don't want
+ // to kill the snapuserd daemon as the daemon will
+ // be serving I/O requests. Killing the daemon will
+ // end up with I/O failures. If the update is in progress,
+ // we will just return the umount failure status immediately.
+ // This is ok, given the fact that killing the processes
+ // and doing an umount is just a last effort. We are
+ // still not doing fsck when all processes are killed.
+ //
+ if (ota_update_in_progress) {
+ return stat;
+ }
KillAllProcesses();
// even if it succeeds, still it is timeout and do not run fsck with all processes killed
UmountStat st = UmountPartitions(0ms);
@@ -491,7 +512,7 @@
return ErrnoError() << "zram_backing_dev: swapoff (" << backing_dev << ")"
<< " failed";
}
- LOG(INFO) << "swapoff() took " << swap_timer;;
+ LOG(INFO) << "swapoff() took " << swap_timer;
if (!WriteStringToFile("1", ZRAM_RESET)) {
return Error() << "zram_backing_dev: reset (" << backing_dev << ")"
@@ -567,6 +588,11 @@
}
static Result<void> UnmountAllApexes() {
+ // don't need to unmount because apexd doesn't use /data in Microdroid
+ if (IsMicrodroid()) {
+ return {};
+ }
+
const char* args[] = {"/system/bin/apexd", "--unmount-all"};
int status;
if (logwrap_fork_execvp(arraysize(args), args, &status, false, LOG_KLOG, true, nullptr) != 0) {
@@ -608,7 +634,7 @@
if (sem_init(&reboot_semaphore, false, 0) == -1) {
// These should never fail, but if they do, skip the graceful reboot and reboot immediately.
LOG(ERROR) << "sem_init() fail and RebootSystem() return!";
- RebootSystem(cmd, reboot_target);
+ RebootSystem(cmd, reboot_target, reason);
}
// Start a thread to monitor init shutdown process
@@ -636,7 +662,7 @@
// worry about unmounting it.
if (!IsDataMounted("*")) {
sync();
- RebootSystem(cmd, reboot_target);
+ RebootSystem(cmd, reboot_target, reason);
abort();
}
@@ -762,14 +788,14 @@
if (IsDataMounted("f2fs")) {
uint32_t flag = F2FS_GOING_DOWN_FULLSYNC;
unique_fd fd(TEMP_FAILURE_RETRY(open("/data", O_RDONLY)));
- int ret = ioctl(fd, F2FS_IOC_SHUTDOWN, &flag);
+ int ret = ioctl(fd.get(), F2FS_IOC_SHUTDOWN, &flag);
if (ret) {
PLOG(ERROR) << "Shutdown /data: ";
} else {
LOG(INFO) << "Shutdown /data";
}
}
- RebootSystem(cmd, reboot_target);
+ RebootSystem(cmd, reboot_target, reason);
abort();
}
diff --git a/init/reboot_utils.cpp b/init/reboot_utils.cpp
index f8e1de0..e6b868e 100644
--- a/init/reboot_utils.cpp
+++ b/init/reboot_utils.cpp
@@ -106,7 +106,8 @@
return value == CAP_SET;
}
-void __attribute__((noreturn)) RebootSystem(unsigned int cmd, const std::string& rebootTarget) {
+void __attribute__((noreturn))
+RebootSystem(unsigned int cmd, const std::string& rebootTarget, const std::string& reboot_reason) {
LOG(INFO) << "Reboot ending, jumping to kernel";
if (!IsRebootCapable()) {
@@ -127,10 +128,12 @@
case ANDROID_RB_THERMOFF:
if (android::base::GetBoolProperty("ro.thermal_warmreset", false)) {
+ std::string reason = "shutdown,thermal";
+ if (!reboot_reason.empty()) reason = reboot_reason;
+
LOG(INFO) << "Try to trigger a warm reset for thermal shutdown";
- static constexpr const char kThermalShutdownTarget[] = "shutdown,thermal";
syscall(__NR_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
- LINUX_REBOOT_CMD_RESTART2, kThermalShutdownTarget);
+ LINUX_REBOOT_CMD_RESTART2, reason.c_str());
} else {
reboot(RB_POWER_OFF);
}
diff --git a/init/reboot_utils.h b/init/reboot_utils.h
index a0023b9..09e87ef 100644
--- a/init/reboot_utils.h
+++ b/init/reboot_utils.h
@@ -29,7 +29,8 @@
// so if any of the attempts to determine this fail, it will still return true.
bool IsRebootCapable();
// This is a wrapper around the actual reboot calls.
-void __attribute__((noreturn)) RebootSystem(unsigned int cmd, const std::string& reboot_target);
+void __attribute__((noreturn)) RebootSystem(unsigned int cmd, const std::string& reboot_target,
+ const std::string& reboot_reason = "");
void __attribute__((noreturn)) InitFatalReboot(int signal_number);
void InstallRebootSignalHandlers();
diff --git a/init/security.cpp b/init/security.cpp
index 0e9f6c2..6e616be 100644
--- a/init/security.cpp
+++ b/init/security.cpp
@@ -116,6 +116,13 @@
if (SetMmapRndBitsMin(33, 24, false) && (!Has32BitAbi() || SetMmapRndBitsMin(16, 16, true))) {
return {};
}
+#elif defined(__riscv)
+ // TODO: sv48 and sv57 were both added to the kernel this year, so we
+ // probably just need some kernel fixes to enable higher ASLR randomization,
+ // but for now 24 is the maximum that the kernel supports.
+ if (SetMmapRndBitsMin(24, 18, false)) {
+ return {};
+ }
#elif defined(__x86_64__)
// x86_64 supports 28 - 32 rnd bits, but Android wants to ensure that the
// theoretical maximum of 32 bits is always supported and used.
@@ -209,7 +216,7 @@
return {};
}
- int ioctl_ret = ioctl(fd, PERF_EVENT_IOC_RESET);
+ int ioctl_ret = ioctl(fd.get(), PERF_EVENT_IOC_RESET);
if (ioctl_ret != -1) {
// Success implies that the kernel doesn't have the hooks.
return {};
diff --git a/init/selinux.cpp b/init/selinux.cpp
index be8c554..ea308aa 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -237,9 +237,9 @@
// If there is an odm partition, precompiled_sepolicy will be in
// odm/etc/selinux. Otherwise it will be in vendor/etc/selinux.
static constexpr const char vendor_precompiled_sepolicy[] =
- "/vendor/etc/selinux/precompiled_sepolicy";
+ "/vendor/etc/selinux/precompiled_sepolicy";
static constexpr const char odm_precompiled_sepolicy[] =
- "/odm/etc/selinux/precompiled_sepolicy";
+ "/odm/etc/selinux/precompiled_sepolicy";
if (access(odm_precompiled_sepolicy, R_OK) == 0) {
precompiled_sepolicy = odm_precompiled_sepolicy;
} else if (access(vendor_precompiled_sepolicy, R_OK) == 0) {
@@ -525,6 +525,32 @@
"apex_service_contexts", "apex_seapp_contexts",
"apex_test"};
+Result<void> CreateTmpfsDir() {
+ mode_t mode = 0744;
+ struct stat stat_data;
+ if (stat(kTmpfsDir.c_str(), &stat_data) != 0) {
+ if (errno != ENOENT) {
+ return ErrnoError() << "Could not stat " << kTmpfsDir;
+ }
+ if (mkdir(kTmpfsDir.c_str(), mode) != 0) {
+ return ErrnoError() << "Could not mkdir " << kTmpfsDir;
+ }
+ } else {
+ if (!S_ISDIR(stat_data.st_mode)) {
+ return Error() << kTmpfsDir << " exists and is not a directory.";
+ }
+ LOG(WARNING) << "Directory " << kTmpfsDir << " already exists";
+ }
+
+ // Need to manually call chmod because mkdir will create a folder with
+ // permissions mode & ~umask.
+ if (chmod(kTmpfsDir.c_str(), mode) != 0) {
+ return ErrnoError() << "Could not chmod " << kTmpfsDir;
+ }
+
+ return {};
+}
+
Result<void> PutFileInTmpfs(ZipArchiveHandle archive, const std::string& fileName) {
ZipEntry entry;
std::string dstPath = kTmpfsDir + fileName;
@@ -538,10 +564,10 @@
unique_fd fd(TEMP_FAILURE_RETRY(
open(dstPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, S_IRUSR | S_IWUSR)));
if (fd == -1) {
- return Error() << "Failed to open " << dstPath;
+ return ErrnoError() << "Failed to open " << dstPath;
}
- ret = ExtractEntryToFile(archive, &entry, fd);
+ ret = ExtractEntryToFile(archive, &entry, fd.get());
if (ret != 0) {
return Error() << "Failed to extract entry \"" << fileName << "\" ("
<< entry.uncompressed_length << " bytes) to \"" << dstPath
@@ -568,6 +594,11 @@
auto handle_guard = android::base::make_scope_guard([&handle] { CloseArchive(handle); });
+ auto create = CreateTmpfsDir();
+ if (!create.ok()) {
+ return create.error();
+ }
+
for (const auto& file : kApexSepolicy) {
auto extract = PutFileInTmpfs(handle, file);
if (!extract.ok()) {
@@ -754,7 +785,7 @@
return;
}
- TEMP_FAILURE_RETRY(send(fd, &request, sizeof(request), 0));
+ TEMP_FAILURE_RETRY(send(fd.get(), &request, sizeof(request), 0));
}
} // namespace
diff --git a/init/service.cpp b/init/service.cpp
index 730b6b6..87d9c3a 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -16,6 +16,7 @@
#include "service.h"
+#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <linux/securebits.h>
@@ -25,6 +26,7 @@
#include <sys/time.h>
#include <termios.h>
#include <unistd.h>
+#include <thread>
#include <android-base/file.h>
#include <android-base/logging.h>
@@ -36,10 +38,17 @@
#include <processgroup/processgroup.h>
#include <selinux/selinux.h>
+#include <string>
+
+#include "interprocess_fifo.h"
#include "lmkd_service.h"
#include "service_list.h"
#include "util.h"
+#if defined(__BIONIC__)
+#include <bionic/reserved_signals.h>
+#endif
+
#ifdef INIT_FULL_SOURCES
#include <ApexProperties.sysprop.h>
#include <android/api-level.h>
@@ -53,6 +62,7 @@
using android::base::boot_clock;
using android::base::GetBoolProperty;
+using android::base::GetIntProperty;
using android::base::GetProperty;
using android::base::Join;
using android::base::make_scope_guard;
@@ -127,7 +137,6 @@
unsigned long Service::next_start_order_ = 1;
bool Service::is_exec_service_running_ = false;
-std::chrono::time_point<std::chrono::steady_clock> Service::exec_service_started_;
Service::Service(const std::string& name, Subcontext* subcontext_for_restart_commands,
const std::string& filename, const std::vector<std::string>& args)
@@ -217,7 +226,7 @@
}
}
-void Service::SetProcessAttributesAndCaps() {
+void Service::SetProcessAttributesAndCaps(InterprocessFifo setsid_finished) {
// Keep capabilites on uid change.
if (capabilities_ && proc_attr_.uid) {
// If Android is running in a container, some securebits might already
@@ -232,7 +241,7 @@
}
}
- if (auto result = SetProcessAttributes(proc_attr_); !result.ok()) {
+ if (auto result = SetProcessAttributes(proc_attr_, std::move(setsid_finished)); !result.ok()) {
LOG(FATAL) << "cannot set attribute for " << name_ << ": " << result.error();
}
@@ -282,7 +291,8 @@
}
if ((siginfo.si_code != CLD_EXITED || siginfo.si_status != 0) && on_failure_reboot_target_) {
- LOG(ERROR) << "Service with 'reboot_on_failure' option failed, shutting down system.";
+ LOG(ERROR) << "Service " << name_
+ << " has 'reboot_on_failure' option and failed, shutting down system.";
trigger_shutdown(*on_failure_reboot_target_);
}
@@ -319,6 +329,34 @@
mount_namespace_.has_value() && *mount_namespace_ == NS_DEFAULT;
const bool is_process_updatable = use_default_mount_ns && is_apex_updatable;
+#if defined(__BIONIC__) && defined(SEGV_MTEAERR)
+ // As a precaution, we only upgrade a service once per reboot, to limit
+ // the potential impact.
+ //
+ // BIONIC_SIGNAL_ART_PROFILER is a magic value used by deuggerd to signal
+ // that the process crashed with SIGSEGV and SEGV_MTEAERR. This signal will
+ // never be seen otherwise in a crash, because it always gets handled by the
+ // profiling signal handlers in bionic. See also
+ // debuggerd/handler/debuggerd_handler.cpp.
+ bool should_upgrade_mte = siginfo.si_code != CLD_EXITED &&
+ siginfo.si_status == BIONIC_SIGNAL_ART_PROFILER && !upgraded_mte_;
+
+ if (should_upgrade_mte) {
+ constexpr int kDefaultUpgradeSecs = 60;
+ int secs = GetIntProperty("persist.device_config.memory_safety_native.upgrade_secs.default",
+ kDefaultUpgradeSecs);
+ secs = GetIntProperty(
+ "persist.device_config.memory_safety_native.upgrade_secs.service." + name_, secs);
+ if (secs > 0) {
+ LOG(INFO) << "Upgrading service " << name_ << " to sync MTE for " << secs << " seconds";
+ once_environment_vars_.emplace_back("BIONIC_MEMTAG_UPGRADE_SECS", std::to_string(secs));
+ upgraded_mte_ = true;
+ } else {
+ LOG(INFO) << "Not upgrading service " << name_ << " to sync MTE due to device config";
+ }
+ }
+#endif
+
// If we crash > 4 times in 'fatal_crash_window_' minutes or before boot_completed,
// reboot into bootloader or set crashing property
boot_clock::time_point now = boot_clock::now();
@@ -395,7 +433,6 @@
flags_ |= SVC_EXEC;
is_exec_service_running_ = true;
- exec_service_started_ = std::chrono::steady_clock::now();
LOG(INFO) << "SVC_EXEC service '" << name_ << "' pid " << pid_ << " (uid " << proc_attr_.uid
<< " gid " << proc_attr_.gid << "+" << proc_attr_.supp_gids.size() << " context "
@@ -405,14 +442,6 @@
return {};
}
-static void ClosePipe(const std::array<int, 2>* pipe) {
- for (const auto fd : *pipe) {
- if (fd >= 0) {
- close(fd);
- }
- }
-}
-
Result<void> Service::CheckConsole() {
if (!(flags_ & SVC_CONSOLE)) {
return {};
@@ -477,11 +506,14 @@
// Enters namespaces, sets environment variables, writes PID files and runs the service executable.
void Service::RunService(const std::vector<Descriptor>& descriptors,
- std::unique_ptr<std::array<int, 2>, decltype(&ClosePipe)> pipefd) {
+ InterprocessFifo cgroups_activated, InterprocessFifo setsid_finished) {
if (auto result = EnterNamespaces(namespaces_, name_, mount_namespace_); !result.ok()) {
LOG(FATAL) << "Service '" << name_ << "' failed to set up namespaces: " << result.error();
}
+ for (const auto& [key, value] : once_environment_vars_) {
+ setenv(key.c_str(), value.c_str(), 1);
+ }
for (const auto& [key, value] : environment_vars_) {
setenv(key.c_str(), value.c_str(), 1);
}
@@ -496,23 +528,33 @@
// Wait until the cgroups have been created and until the cgroup controllers have been
// activated.
- char byte = 0;
- if (read((*pipefd)[0], &byte, 1) < 0) {
- PLOG(ERROR) << "failed to read from notification channel";
+ Result<uint8_t> byte = cgroups_activated.Read();
+ if (!byte.ok()) {
+ LOG(ERROR) << name_ << ": failed to read from notification channel: " << byte.error();
}
- pipefd.reset();
- if (!byte) {
+ cgroups_activated.Close();
+ if (*byte != kCgroupsActivated) {
LOG(FATAL) << "Service '" << name_ << "' failed to start due to a fatal error";
_exit(EXIT_FAILURE);
}
- if (task_profiles_.size() > 0 && !SetTaskProfiles(getpid(), task_profiles_)) {
- LOG(ERROR) << "failed to set task profiles";
+ if (task_profiles_.size() > 0) {
+ bool succeeded = SelinuxGetVendorAndroidVersion() < __ANDROID_API_U__
+ ?
+ // Compatibility mode: apply the task profiles to the current
+ // thread.
+ SetTaskProfiles(getpid(), task_profiles_)
+ :
+ // Apply the task profiles to the current process.
+ SetProcessProfiles(getuid(), getpid(), task_profiles_);
+ if (!succeeded) {
+ LOG(ERROR) << "failed to set task profiles";
+ }
}
// As requested, set our gid, supplemental gids, uid, context, and
// priority. Aborts on failure.
- SetProcessAttributesAndCaps();
+ SetProcessAttributesAndCaps(std::move(setsid_finished));
if (!ExpandArgsAndExecv(args_, sigstop_)) {
PLOG(ERROR) << "cannot execv('" << args_[0]
@@ -555,11 +597,14 @@
return {};
}
- std::unique_ptr<std::array<int, 2>, decltype(&ClosePipe)> pipefd(new std::array<int, 2>{-1, -1},
- ClosePipe);
- if (pipe(pipefd->data()) < 0) {
- return ErrnoError() << "pipe()";
- }
+ // cgroups_activated is used for communication from the parent to the child
+ // while setsid_finished is used for communication from the child process to
+ // the parent process. These two communication channels are separate because
+ // combining these into a single communication channel would introduce a
+ // race between the Write() calls by the parent and by the child.
+ InterprocessFifo cgroups_activated, setsid_finished;
+ OR_RETURN(cgroups_activated.Initialize());
+ OR_RETURN(setsid_finished.Initialize());
if (Result<void> result = CheckConsole(); !result.ok()) {
return result;
@@ -617,8 +662,13 @@
if (pid == 0) {
umask(077);
- RunService(descriptors, std::move(pipefd));
+ cgroups_activated.CloseWriteFd();
+ setsid_finished.CloseReadFd();
+ RunService(descriptors, std::move(cgroups_activated), std::move(setsid_finished));
_exit(127);
+ } else {
+ cgroups_activated.CloseReadFd();
+ setsid_finished.CloseWriteFd();
}
if (pid < 0) {
@@ -626,6 +676,8 @@
return ErrnoError() << "Failed to fork";
}
+ once_environment_vars_.clear();
+
if (oom_score_adjust_ != DEFAULT_OOM_SCORE_ADJUST) {
std::string oom_str = std::to_string(oom_score_adjust_);
std::string oom_file = StringPrintf("/proc/%d/oom_score_adj", pid);
@@ -640,29 +692,67 @@
start_order_ = next_start_order_++;
process_cgroup_empty_ = false;
- bool use_memcg = swappiness_ != -1 || soft_limit_in_bytes_ != -1 || limit_in_bytes_ != -1 ||
- limit_percent_ != -1 || !limit_property_.empty();
- errno = -createProcessGroup(proc_attr_.uid, pid_, use_memcg);
- if (errno != 0) {
- if (char byte = 0; write((*pipefd)[1], &byte, 1) < 0) {
- return ErrnoError() << "sending notification failed";
+ if (CgroupsAvailable()) {
+ bool use_memcg = swappiness_ != -1 || soft_limit_in_bytes_ != -1 || limit_in_bytes_ != -1 ||
+ limit_percent_ != -1 || !limit_property_.empty();
+ errno = -createProcessGroup(proc_attr_.uid, pid_, use_memcg);
+ if (errno != 0) {
+ Result<void> result = cgroups_activated.Write(kActivatingCgroupsFailed);
+ if (!result.ok()) {
+ return Error() << "Sending notification failed: " << result.error();
+ }
+ return Error() << "createProcessGroup(" << proc_attr_.uid << ", " << pid_ << ", "
+ << use_memcg << ") failed for service '" << name_
+ << "': " << strerror(errno);
}
- return Error() << "createProcessGroup(" << proc_attr_.uid << ", " << pid_
- << ") failed for service '" << name_ << "'";
- }
- if (use_memcg) {
- ConfigureMemcg();
+ // When the blkio controller is mounted in the v1 hierarchy, NormalIoPriority is
+ // the default (/dev/blkio). When the blkio controller is mounted in the v2 hierarchy, the
+ // NormalIoPriority profile has to be applied explicitly.
+ SetProcessProfiles(proc_attr_.uid, pid_, {"NormalIoPriority"});
+
+ if (use_memcg) {
+ ConfigureMemcg();
+ }
}
if (oom_score_adjust_ != DEFAULT_OOM_SCORE_ADJUST) {
LmkdRegister(name_, proc_attr_.uid, pid_, oom_score_adjust_);
}
- if (char byte = 1; write((*pipefd)[1], &byte, 1) < 0) {
- return ErrnoError() << "sending notification failed";
+ if (Result<void> result = cgroups_activated.Write(kCgroupsActivated); !result.ok()) {
+ return Error() << "Sending cgroups activated notification failed: " << result.error();
}
+ cgroups_activated.Close();
+
+ // Call setpgid() from the parent process to make sure that this call has
+ // finished before the parent process calls kill(-pgid, ...).
+ if (!RequiresConsole(proc_attr_)) {
+ if (setpgid(pid, pid) < 0) {
+ switch (errno) {
+ case EACCES: // Child has already performed setpgid() followed by execve().
+ case ESRCH: // Child process no longer exists.
+ break;
+ default:
+ PLOG(ERROR) << "setpgid() from parent failed";
+ }
+ }
+ } else {
+ // The Read() call below will return an error if the child is killed.
+ if (Result<uint8_t> result = setsid_finished.Read();
+ !result.ok() || *result != kSetSidFinished) {
+ if (!result.ok()) {
+ return Error() << "Waiting for setsid() failed: " << result.error();
+ } else {
+ return Error() << "Waiting for setsid() failed: " << static_cast<uint32_t>(*result)
+ << " <> " << static_cast<uint32_t>(kSetSidFinished);
+ }
+ }
+ }
+
+ setsid_finished.Close();
+
NotifyStateChange("running");
reboot_on_failure.Disable();
return {};
@@ -778,6 +868,8 @@
if ((how != SVC_DISABLED) && (how != SVC_RESET) && (how != SVC_RESTART)) {
// An illegal flag: default to SVC_DISABLED.
+ LOG(ERROR) << "service '" << name_ << "' requested unknown flag " << how
+ << ", defaulting to disabling it.";
how = SVC_DISABLED;
}
@@ -796,6 +888,10 @@
}
if (pid_) {
+ if (flags_ & SVC_GENTLE_KILL) {
+ KillProcessGroup(SIGTERM);
+ if (!process_cgroup_empty()) std::this_thread::sleep_for(200ms);
+ }
KillProcessGroup(SIGKILL);
NotifyStateChange("stopping");
} else {
diff --git a/init/service.h b/init/service.h
index f7f32d9..3ef8902 100644
--- a/init/service.h
+++ b/init/service.h
@@ -31,6 +31,7 @@
#include "action.h"
#include "capabilities.h"
+#include "interprocess_fifo.h"
#include "keyword_map.h"
#include "mount_namespace.h"
#include "parser.h"
@@ -55,6 +56,8 @@
// should not be killed during shutdown
#define SVC_TEMPORARY 0x1000 // This service was started by 'exec' and should be removed from the
// service list once it is reaped.
+#define SVC_GENTLE_KILL 0x2000 // This service should be stopped with SIGTERM instead of SIGKILL
+ // Will still be SIGKILLed after timeout period of 200 ms
#define NR_SVC_SUPP_GIDS 12 // twelve supplementary groups
@@ -72,6 +75,8 @@
const std::vector<gid_t>& supp_gids, int namespace_flags, const std::string& seclabel,
Subcontext* subcontext_for_restart_commands, const std::string& filename,
const std::vector<std::string>& args);
+ Service(const Service&) = delete;
+ void operator=(const Service&) = delete;
static Result<std::unique_ptr<Service>> MakeTemporaryOneshotService(
const std::vector<std::string>& args);
@@ -103,9 +108,6 @@
size_t CheckAllCommands() const { return onrestart_.CheckAllCommands(); }
static bool is_exec_service_running() { return is_exec_service_running_; }
- static std::chrono::time_point<std::chrono::steady_clock> exec_service_started() {
- return exec_service_started_;
- }
const std::string& name() const { return name_; }
const std::set<std::string>& classnames() const { return classnames_; }
@@ -141,26 +143,25 @@
flags_ &= ~SVC_ONESHOT;
}
}
- Subcontext* subcontext() const { return subcontext_; }
+ const Subcontext* subcontext() const { return subcontext_; }
+ const std::string& filename() const { return filename_; }
+ void set_filename(const std::string& name) { filename_ = name; }
private:
void NotifyStateChange(const std::string& new_state) const;
void StopOrReset(int how);
void KillProcessGroup(int signal, bool report_oneshot = false);
- void SetProcessAttributesAndCaps();
+ void SetProcessAttributesAndCaps(InterprocessFifo setsid_finished);
void ResetFlagsForStart();
Result<void> CheckConsole();
void ConfigureMemcg();
- void RunService(
- const std::vector<Descriptor>& descriptors,
- std::unique_ptr<std::array<int, 2>, void (*)(const std::array<int, 2>* pipe)> pipefd);
+ void RunService(const std::vector<Descriptor>& descriptors, InterprocessFifo cgroups_activated,
+ InterprocessFifo setsid_finished);
void SetMountNamespace();
static unsigned long next_start_order_;
static bool is_exec_service_running_;
- static std::chrono::time_point<std::chrono::steady_clock> exec_service_started_;
- static pid_t exec_service_pid_;
- std::string name_;
+ const std::string name_;
std::set<std::string> classnames_;
unsigned flags_;
@@ -168,6 +169,7 @@
android::base::boot_clock::time_point time_started_; // time of last start
android::base::boot_clock::time_point time_crashed_; // first crash within inspection window
int crash_count_; // number of times crashed within window
+ bool upgraded_mte_ = false; // whether we upgraded async MTE -> sync MTE before
std::chrono::minutes fatal_crash_window_ = 4min; // fatal() when more than 4 crashes in it
std::optional<std::string> fatal_reboot_target_; // reboot target of fatal handler
@@ -180,8 +182,10 @@
std::vector<SocketDescriptor> sockets_;
std::vector<FileDescriptor> files_;
std::vector<std::pair<std::string, std::string>> environment_vars_;
+ // Environment variables that only get applied to the next run.
+ std::vector<std::pair<std::string, std::string>> once_environment_vars_;
- Subcontext* subcontext_;
+ const Subcontext* const subcontext_;
Action onrestart_; // Commands to execute on restart.
std::vector<std::string> writepid_files_;
@@ -215,7 +219,7 @@
bool updatable_ = false;
- std::vector<std::string> args_;
+ const std::vector<std::string> args_;
std::vector<std::function<void(const siginfo_t& siginfo)>> reap_callbacks_;
diff --git a/init/service_list.cpp b/init/service_list.cpp
index 3047821..937d82e 100644
--- a/init/service_list.cpp
+++ b/init/service_list.cpp
@@ -24,8 +24,8 @@
ServiceList::ServiceList() {}
ServiceList& ServiceList::GetInstance() {
- static ServiceList instance;
- return instance;
+ static ServiceList* instance = new ServiceList;
+ return *instance;
}
size_t ServiceList::CheckAllCommands() {
diff --git a/init/service_list.h b/init/service_list.h
index 555da25..f858bc3 100644
--- a/init/service_list.h
+++ b/init/service_list.h
@@ -16,10 +16,14 @@
#pragma once
+#include <iterator>
#include <memory>
#include <vector>
+#include <android-base/logging.h>
+
#include "service.h"
+#include "util.h"
namespace android {
namespace init {
@@ -52,6 +56,17 @@
return nullptr;
}
+ std::vector<Service*> FindServicesByApexName(const std::string& apex_name) const {
+ CHECK(!apex_name.empty()) << "APEX name cannot be empty";
+ std::vector<Service*> matches;
+ for (const auto& svc : services_) {
+ if (GetApexNameFromFileName(svc->filename()) == apex_name) {
+ matches.emplace_back(svc.get());
+ }
+ }
+ return matches;
+ }
+
Service* FindInterface(const std::string& interface_name) {
for (const auto& svc : services_) {
if (svc->interfaces().count(interface_name) > 0) {
@@ -79,6 +94,8 @@
services_update_finished_ = false;
}
+ auto size() const { return services_.size(); }
+
private:
std::vector<std::unique_ptr<Service>> services_;
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index 32c57c4..3563084 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -151,6 +151,11 @@
return {};
}
+Result<void> ServiceParser::ParseGentleKill(std::vector<std::string>&& args) {
+ service_->flags_ |= SVC_GENTLE_KILL;
+ return {};
+}
+
Result<void> ServiceParser::ParseGroup(std::vector<std::string>&& args) {
auto gid = DecodeUid(args[1]);
if (!gid.ok()) {
@@ -434,11 +439,14 @@
<< "' instead.";
}
- if (types.size() > 1) {
- if (types.size() == 2 && types[1] == "passcred") {
+ for (size_t i = 1; i < types.size(); i++) {
+ if (types[i] == "passcred") {
socket.passcred = true;
+ } else if (types[i] == "listen") {
+ socket.listen = true;
} else {
- return Error() << "Only 'passcred' may be used to modify the socket type";
+ return Error() << "Unknown socket type decoration '" << types[i]
+ << "'. Known values are ['passcred', 'listen']";
}
}
@@ -581,6 +589,7 @@
{"disabled", {0, 0, &ServiceParser::ParseDisabled}},
{"enter_namespace", {2, 2, &ServiceParser::ParseEnterNamespace}},
{"file", {2, 2, &ServiceParser::ParseFile}},
+ {"gentle_kill", {0, 0, &ServiceParser::ParseGentleKill}},
{"group", {1, NR_SVC_SUPP_GIDS + 1, &ServiceParser::ParseGroup}},
{"interface", {2, 2, &ServiceParser::ParseInterface}},
{"ioprio", {2, 2, &ServiceParser::ParseIoprio}},
diff --git a/init/service_parser.h b/init/service_parser.h
index 54503dd..670a5c6 100644
--- a/init/service_parser.h
+++ b/init/service_parser.h
@@ -53,6 +53,7 @@
Result<void> ParseDisabled(std::vector<std::string>&& args);
Result<void> ParseEnterNamespace(std::vector<std::string>&& args);
Result<void> ParseGroup(std::vector<std::string>&& args);
+ Result<void> ParseGentleKill(std::vector<std::string>&& args);
Result<void> ParsePriority(std::vector<std::string>&& args);
Result<void> ParseInterface(std::vector<std::string>&& args);
Result<void> ParseIoprio(std::vector<std::string>&& args);
diff --git a/init/service_utils.cpp b/init/service_utils.cpp
index eed5c65..7004d8d 100644
--- a/init/service_utils.cpp
+++ b/init/service_utils.cpp
@@ -52,7 +52,7 @@
if (fd == -1) {
return ErrnoError() << "Could not open namespace at " << path;
}
- if (setns(fd, nstype) == -1) {
+ if (setns(fd.get(), nstype) == -1) {
return ErrnoError() << "Could not setns() namespace at " << path;
}
return {};
@@ -127,22 +127,22 @@
void SetupStdio(bool stdio_to_kmsg) {
auto fd = unique_fd{open("/dev/null", O_RDWR | O_CLOEXEC)};
- dup2(fd, STDIN_FILENO);
+ dup2(fd.get(), STDIN_FILENO);
if (stdio_to_kmsg) {
fd.reset(open("/dev/kmsg_debug", O_WRONLY | O_CLOEXEC));
if (fd == -1) fd.reset(open("/dev/null", O_WRONLY | O_CLOEXEC));
}
- dup2(fd, STDOUT_FILENO);
- dup2(fd, STDERR_FILENO);
+ dup2(fd.get(), STDOUT_FILENO);
+ dup2(fd.get(), STDERR_FILENO);
}
void OpenConsole(const std::string& console) {
auto fd = unique_fd{open(console.c_str(), O_RDWR | O_CLOEXEC)};
if (fd == -1) fd.reset(open("/dev/null", O_RDWR | O_CLOEXEC));
- ioctl(fd, TIOCSCTTY, 0);
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
+ ioctl(fd.get(), TIOCSCTTY, 0);
+ dup2(fd.get(), 0);
+ dup2(fd.get(), 1);
+ dup2(fd.get(), 2);
}
} // namespace
@@ -168,7 +168,8 @@
Result<Descriptor> SocketDescriptor::Create(const std::string& global_context) const {
const auto& socket_context = context.empty() ? global_context : context;
- auto result = CreateSocket(name, type | SOCK_CLOEXEC, passcred, perm, uid, gid, socket_context);
+ auto result = CreateSocket(name, type | SOCK_CLOEXEC, passcred, listen, perm, uid, gid,
+ socket_context);
if (!result.ok()) {
return result.error();
}
@@ -189,7 +190,7 @@
}
// Fixup as we set O_NONBLOCK for open, the intent for fd is to block reads.
- fcntl(fd, F_SETFL, flags);
+ fcntl(fd.get(), F_SETFL, flags);
return Descriptor(ANDROID_FILE_ENV_PREFIX + name, std::move(fd));
}
@@ -231,7 +232,7 @@
return {};
}
-Result<void> SetProcessAttributes(const ProcessAttributes& attr) {
+Result<void> SetProcessAttributes(const ProcessAttributes& attr, InterprocessFifo setsid_finished) {
if (attr.ioprio_class != IoSchedClass_NONE) {
if (android_set_ioprio(getpid(), attr.ioprio_class, attr.ioprio_pri)) {
PLOG(ERROR) << "failed to set pid " << getpid() << " ioprio=" << attr.ioprio_class
@@ -239,11 +240,17 @@
}
}
- if (!attr.console.empty()) {
+ if (RequiresConsole(attr)) {
setsid();
+ setsid_finished.Write(kSetSidFinished);
+ setsid_finished.Close();
OpenConsole(attr.console);
} else {
- if (setpgid(0, getpid()) == -1) {
+ // Without PID namespaces, this call duplicates the setpgid() call from
+ // the parent process. With PID namespaces, this setpgid() call sets the
+ // process group ID for a child of the init process in the PID
+ // namespace.
+ if (setpgid(0, 0) == -1) {
return ErrnoError() << "setpgid failed";
}
SetupStdio(attr.stdio_to_kmsg);
@@ -279,6 +286,15 @@
}
Result<void> WritePidToFiles(std::vector<std::string>* files) {
+ if (files->empty()) {
+ // No files to write pid to, exit early.
+ return {};
+ }
+
+ if (!CgroupsAvailable()) {
+ return Error() << "cgroups are not available";
+ }
+
// See if there were "writepid" instructions to write to files under cpuset path.
std::string cpuset_path;
if (CgroupGetControllerPath("cpuset", &cpuset_path)) {
diff --git a/init/service_utils.h b/init/service_utils.h
index 9b65dca..d4143aa 100644
--- a/init/service_utils.h
+++ b/init/service_utils.h
@@ -26,12 +26,20 @@
#include <android-base/unique_fd.h>
#include <cutils/iosched_policy.h>
+#include "interprocess_fifo.h"
#include "mount_namespace.h"
#include "result.h"
namespace android {
namespace init {
+// Constants used by Service::Start() for communication between parent and child.
+enum ServiceCode : uint8_t {
+ kActivatingCgroupsFailed,
+ kCgroupsActivated,
+ kSetSidFinished,
+};
+
class Descriptor {
public:
Descriptor(const std::string& name, android::base::unique_fd fd)
@@ -54,6 +62,7 @@
int perm = 0;
std::string context;
bool passcred = false;
+ bool listen = false;
bool persist = false;
// Create() creates the named unix domain socket in /dev/socket and returns a Descriptor object.
@@ -88,7 +97,12 @@
int priority;
bool stdio_to_kmsg;
};
-Result<void> SetProcessAttributes(const ProcessAttributes& attr);
+
+inline bool RequiresConsole(const ProcessAttributes& attr) {
+ return !attr.console.empty();
+}
+
+Result<void> SetProcessAttributes(const ProcessAttributes& attr, InterprocessFifo setsid_finished);
Result<void> WritePidToFiles(std::vector<std::string>* files);
diff --git a/init/sigchld_handler.cpp b/init/sigchld_handler.cpp
index 9b2c7d9..f8c501f 100644
--- a/init/sigchld_handler.cpp
+++ b/init/sigchld_handler.cpp
@@ -24,6 +24,7 @@
#include <unistd.h>
#include <android-base/chrono_utils.h>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/scopeguard.h>
#include <android-base/stringprintf.h>
@@ -36,6 +37,7 @@
using android::base::boot_clock;
using android::base::make_scope_guard;
+using android::base::ReadFileToString;
using android::base::StringPrintf;
using android::base::Timer;
@@ -51,8 +53,13 @@
return 0;
}
- auto pid = siginfo.si_pid;
- if (pid == 0) return 0;
+ const pid_t pid = siginfo.si_pid;
+ if (pid == 0) {
+ DCHECK_EQ(siginfo.si_signo, 0);
+ return 0;
+ }
+
+ DCHECK_EQ(siginfo.si_signo, SIGCHLD);
// At this point we know we have a zombie pid, so we use this scopeguard to reap the pid
// whenever the function returns from this point forward.
@@ -95,7 +102,10 @@
LOG(INFO) << name << " received signal " << siginfo.si_status << wait_string;
}
- if (!service) return pid;
+ if (!service) {
+ LOG(INFO) << name << " did not have an associated service entry and will not be reaped";
+ return pid;
+ }
service->Reap(siginfo);
@@ -129,6 +139,11 @@
}
LOG(INFO) << "Waiting for " << pids.size() << " pids to be reaped took " << t << " with "
<< alive_pids.size() << " of them still running";
+ for (pid_t pid : pids) {
+ std::string status = "(no-such-pid)";
+ ReadFileToString(StringPrintf("/proc/%d/status", pid), &status);
+ LOG(INFO) << "Still running: " << pid << ' ' << status;
+ }
}
} // namespace init
diff --git a/init/snapuserd_transition.cpp b/init/snapuserd_transition.cpp
index 5c821b0..3a9ff5b 100644
--- a/init/snapuserd_transition.cpp
+++ b/init/snapuserd_transition.cpp
@@ -112,6 +112,10 @@
setenv(kSnapuserdFirstStagePidVar, std::to_string(pid).c_str(), 1);
+ if (!client->RemoveTransitionedDaemonIndicator()) {
+ LOG(ERROR) << "RemoveTransitionedDaemonIndicator failed";
+ }
+
LOG(INFO) << "Relaunched snapuserd with pid: " << pid;
}
@@ -226,12 +230,9 @@
argv_.emplace_back("snapuserd");
argv_.emplace_back("-no_socket");
- if (!sm_->DetachSnapuserdForSelinux(&argv_)) {
+ if (!sm_->PrepareSnapuserdArgsForSelinux(&argv_)) {
LOG(FATAL) << "Could not perform selinux transition";
}
-
- // Make sure the process is gone so we don't have any selinux audits.
- KillFirstStageSnapuserd(old_pid_);
}
void SnapuserdSelinuxHelper::FinishTransition() {
@@ -266,6 +267,19 @@
* we may see audit logs.
*/
bool SnapuserdSelinuxHelper::TestSnapuserdIsReady() {
+ // Wait for the daemon to be fully up. Daemon will write to path
+ // /metadata/ota/daemon-alive-indicator only when all the threads
+ // are ready and attached to dm-user.
+ //
+ // This check will fail for GRF devices with vendor on Android S.
+ // snapuserd binary from Android S won't be able to communicate
+ // and hence, we will fallback and issue I/O to verify
+ // the presence of daemon.
+ auto client = std::make_unique<SnapuserdClient>();
+ if (!client->IsTransitionedDaemonReady()) {
+ LOG(ERROR) << "IsTransitionedDaemonReady failed";
+ }
+
std::string dev = "/dev/block/mapper/system"s + fs_mgr_get_slot_suffix();
android::base::unique_fd fd(open(dev.c_str(), O_RDONLY | O_DIRECT));
if (fd < 0) {
@@ -301,6 +315,12 @@
}
void SnapuserdSelinuxHelper::RelaunchFirstStageSnapuserd() {
+ if (!sm_->DetachFirstStageSnapuserdForSelinux()) {
+ LOG(FATAL) << "Could not perform selinux transition";
+ }
+
+ KillFirstStageSnapuserd(old_pid_);
+
auto fd = GetRamdiskSnapuserdFd();
if (!fd) {
LOG(FATAL) << "Environment variable " << kSnapuserdFirstStageFdVar << " was not set!";
diff --git a/init/subcontext.cpp b/init/subcontext.cpp
index 961e006..6a095fb 100644
--- a/init/subcontext.cpp
+++ b/init/subcontext.cpp
@@ -207,7 +207,7 @@
// We explicitly do not use O_CLOEXEC here, such that we can reference this FD by number
// in the subcontext process after we exec.
- int child_fd = dup(subcontext_socket); // NOLINT(android-cloexec-dup)
+ int child_fd = dup(subcontext_socket.get()); // NOLINT(android-cloexec-dup)
if (child_fd < 0) {
PLOG(FATAL) << "Could not dup child_fd";
}
@@ -268,12 +268,12 @@
}
Result<SubcontextReply> Subcontext::TransmitMessage(const SubcontextCommand& subcontext_command) {
- if (auto result = SendMessage(socket_, subcontext_command); !result.ok()) {
+ if (auto result = SendMessage(socket_.get(), subcontext_command); !result.ok()) {
Restart();
return ErrnoError() << "Failed to send message to subcontext";
}
- auto subcontext_message = ReadMessage(socket_);
+ auto subcontext_message = ReadMessage(socket_.get());
if (!subcontext_message.ok()) {
Restart();
return Error() << "Failed to receive result from subcontext: " << subcontext_message.error();
diff --git a/init/subcontext.h b/init/subcontext.h
index 8acc032..93ebace 100644
--- a/init/subcontext.h
+++ b/init/subcontext.h
@@ -36,8 +36,10 @@
class Subcontext {
public:
- Subcontext(std::vector<std::string> path_prefixes, std::string context, bool host = false)
- : path_prefixes_(std::move(path_prefixes)), context_(std::move(context)), pid_(0) {
+ Subcontext(std::vector<std::string> path_prefixes, std::string_view context, bool host = false)
+ : path_prefixes_(std::move(path_prefixes)),
+ context_(context.begin(), context.end()),
+ pid_(0) {
if (!host) {
Fork();
}
diff --git a/init/test_upgrade_mte/Android.bp b/init/test_upgrade_mte/Android.bp
new file mode 100644
index 0000000..1bfc76c
--- /dev/null
+++ b/init/test_upgrade_mte/Android.bp
@@ -0,0 +1,41 @@
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_applicable_licenses: ["system_core_init_license"],
+}
+
+cc_binary {
+ name: "mte_upgrade_test_helper",
+ srcs: ["mte_upgrade_test_helper.cpp"],
+ sanitize: {
+ memtag_heap: true,
+ diag: {
+ memtag_heap: false,
+ },
+ },
+ init_rc: [
+ "mte_upgrade_test.rc",
+ ],
+}
+
+java_test_host {
+ name: "mte_upgrade_test",
+ libs: ["tradefed"],
+ static_libs: ["frameworks-base-hostutils", "cts-install-lib-host"],
+ srcs: ["src/**/MteUpgradeTest.java", ":libtombstone_proto-src"],
+ data: [":mte_upgrade_test_helper", "mte_upgrade_test.rc" ],
+ test_config: "AndroidTest.xml",
+ test_suites: ["general-tests"],
+}
diff --git a/init/test_upgrade_mte/AndroidTest.xml b/init/test_upgrade_mte/AndroidTest.xml
new file mode 100644
index 0000000..b89cde8
--- /dev/null
+++ b/init/test_upgrade_mte/AndroidTest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2022 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<configuration description="Runs the MTE upgrade tests">
+ <option name="test-suite-tag" value="init_test_upgrade_mte" />
+ <option name="test-suite-tag" value="apct" />
+ <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+ <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+ <option name="cleanup" value="true" />
+ <option name="remount-system" value="true" />
+ <option name="push" value="mte_upgrade_test.rc->/system/etc/init/mte_upgrade_test.rc" />
+ <option name="push" value="mte_upgrade_test_helper->/system/bin/mte_upgrade_test_helper" />
+ <option name="push" value="mte_upgrade_test_helper->/data/local/tmp/app_process64" />
+ </target_preparer>
+ <test class="com.android.tradefed.testtype.HostTest" >
+ <option name="jar" value="mte_upgrade_test.jar" />
+ </test>
+</configuration>
\ No newline at end of file
diff --git a/init/test_upgrade_mte/mte_upgrade_test.rc b/init/test_upgrade_mte/mte_upgrade_test.rc
new file mode 100644
index 0000000..a3e596c
--- /dev/null
+++ b/init/test_upgrade_mte/mte_upgrade_test.rc
@@ -0,0 +1,24 @@
+# Copyright (C) 2022 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+service mte_upgrade_test_helper /system/bin/mte_upgrade_test_helper ${sys.mte_crash_test_uuid}
+ class late_start
+ disabled
+ seclabel u:r:su:s0
+
+service mte_upgrade_test_helper_overridden /system/bin/mte_upgrade_test_helper ${sys.mte_crash_test_uuid}
+ class late_start
+ disabled
+ seclabel u:r:su:s0
+ setenv BIONIC_MEMTAG_UPGRADE_SECS 0
diff --git a/init/test_upgrade_mte/mte_upgrade_test_helper.cpp b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
new file mode 100644
index 0000000..6728cc6
--- /dev/null
+++ b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <linux/prctl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/prctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <memory>
+
+int MaybeDowngrade() {
+ int res = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
+ if (res == -1) return 1;
+ if (static_cast<unsigned long>(res) & PR_MTE_TCF_ASYNC) return 2;
+ time_t t = time(nullptr);
+ while (time(nullptr) - t < 100) {
+ res = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
+ if (static_cast<unsigned long>(res) & PR_MTE_TCF_ASYNC) {
+ return 0;
+ }
+ sleep(1);
+ }
+ return 3;
+}
+
+int main(int argc, char** argv) {
+ if (argc == 2 && strcmp(argv[1], "--check-downgrade") == 0) {
+ return MaybeDowngrade();
+ }
+ int res = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
+ if (res == -1) abort();
+ if (argc == 2 && strcmp(argv[1], "--get-mode") == 0) {
+ if (res & PR_MTE_TCF_ASYNC) {
+ return 1;
+ }
+ if (res & PR_MTE_TCF_SYNC) {
+ return 2;
+ }
+ abort();
+ }
+
+ if (res & PR_MTE_TCF_ASYNC && res & PR_MTE_TCF_SYNC) {
+ // Disallow automatic upgrade from ASYNC mode.
+ if (prctl(PR_SET_TAGGED_ADDR_CTRL, res & ~PR_MTE_TCF_SYNC, 0, 0, 0) == -1) abort();
+ }
+ std::unique_ptr<volatile char[]> f(new char[1]);
+ // This out-of-bounds is on purpose: we are testing MTE, which is designed to turn
+ // out-of-bound errors into segfaults.
+ // This binary gets run by src/com/android/tests/init/MteUpgradeTest.java, which
+ // asserts that it crashes as expected.
+ f[17] = 'x';
+ char buf[1];
+ read(1, buf, 1);
+ return 0;
+}
diff --git a/init/test_upgrade_mte/src/com/android/tests/init/MteUpgradeTest.java b/init/test_upgrade_mte/src/com/android/tests/init/MteUpgradeTest.java
new file mode 100644
index 0000000..f4e4a9c
--- /dev/null
+++ b/init/test_upgrade_mte/src/com/android/tests/init/MteUpgradeTest.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.init;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.junit.Assume.assumeTrue;
+
+import com.android.server.os.TombstoneProtos.Tombstone;
+import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
+import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
+import com.android.tradefed.util.CommandResult;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+
+@RunWith(DeviceJUnit4ClassRunner.class)
+public class MteUpgradeTest extends BaseHostJUnit4Test {
+ @Before
+ public void setUp() throws Exception {
+ CommandResult result =
+ getDevice().executeShellV2Command("/system/bin/mte_upgrade_test_helper --checking");
+ assumeTrue("mte_upgrade_test_binary needs to segfault", result.getExitCode() == 139);
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ // Easier here than in a finally in testCrash, and doesn't really hurt.
+ getDevice().executeShellV2Command("stop mte_upgrade_test_helper");
+ getDevice().executeShellV2Command("stop mte_upgrade_test_helper_overridden");
+ getDevice().setProperty("sys.mte_crash_test_uuid", "");
+ }
+
+ Tombstone parseTombstone(String tombstonePath) throws Exception {
+ File tombstoneFile = getDevice().pullFile(tombstonePath);
+ InputStream istr = new FileInputStream(tombstoneFile);
+ Tombstone tombstoneProto;
+ try {
+ tombstoneProto = Tombstone.parseFrom(istr);
+ } finally {
+ istr.close();
+ }
+ return tombstoneProto;
+ }
+
+ @Test
+ public void testCrash() throws Exception {
+ String uuid = java.util.UUID.randomUUID().toString();
+ getDevice().reboot();
+ assertThat(getDevice().setProperty("sys.mte_crash_test_uuid", uuid)).isTrue();
+
+ CommandResult result = getDevice().executeShellV2Command("start mte_upgrade_test_helper");
+ assertThat(result.getExitCode()).isEqualTo(0);
+ java.lang.Thread.sleep(20000);
+ String[] tombstonesAfter = getDevice().getChildren("/data/tombstones");
+ ArrayList<String> segvCodeNames = new ArrayList<String>();
+ for (String tombstone : tombstonesAfter) {
+ if (!tombstone.endsWith(".pb")) {
+ continue;
+ }
+ String tombstoneFilename = "/data/tombstones/" + tombstone;
+ Tombstone tombstoneProto = parseTombstone(tombstoneFilename);
+ if (!tombstoneProto.getCommandLineList().stream().anyMatch(x -> x.contains(uuid))) {
+ continue;
+ }
+ assertThat(tombstoneProto.getSignalInfo().getName()).isEqualTo("SIGSEGV");
+ segvCodeNames.add(tombstoneProto.getSignalInfo().getCodeName());
+ getDevice().deleteFile(tombstoneFilename);
+ // remove the non .pb file as well.
+ getDevice().deleteFile(tombstoneFilename.substring(0, tombstoneFilename.length() - 3));
+ }
+ assertThat(segvCodeNames.size()).isAtLeast(3);
+ assertThat(segvCodeNames.get(0)).isEqualTo("SEGV_MTEAERR");
+ assertThat(segvCodeNames.get(1)).isEqualTo("SEGV_MTESERR");
+ assertThat(segvCodeNames.get(2)).isEqualTo("SEGV_MTEAERR");
+ }
+
+ @Test
+ public void testCrashOverridden() throws Exception {
+ String uuid = java.util.UUID.randomUUID().toString();
+ getDevice().reboot();
+ assertThat(getDevice().setProperty("sys.mte_crash_test_uuid", uuid)).isTrue();
+
+ CommandResult result =
+ getDevice().executeShellV2Command("start mte_upgrade_test_helper_overridden");
+ assertThat(result.getExitCode()).isEqualTo(0);
+ java.lang.Thread.sleep(20000);
+ String[] tombstonesAfter = getDevice().getChildren("/data/tombstones");
+ ArrayList<String> segvCodeNames = new ArrayList<String>();
+ for (String tombstone : tombstonesAfter) {
+ if (!tombstone.endsWith(".pb")) {
+ continue;
+ }
+ String tombstoneFilename = "/data/tombstones/" + tombstone;
+ Tombstone tombstoneProto = parseTombstone(tombstoneFilename);
+ if (!tombstoneProto.getCommandLineList().stream().anyMatch(x -> x.contains(uuid))) {
+ continue;
+ }
+ assertThat(tombstoneProto.getSignalInfo().getName()).isEqualTo("SIGSEGV");
+ segvCodeNames.add(tombstoneProto.getSignalInfo().getCodeName());
+ getDevice().deleteFile(tombstoneFilename);
+ // remove the non .pb file as well.
+ getDevice().deleteFile(tombstoneFilename.substring(0, tombstoneFilename.length() - 3));
+ }
+ assertThat(segvCodeNames.size()).isAtLeast(3);
+ assertThat(segvCodeNames.get(0)).isEqualTo("SEGV_MTEAERR");
+ assertThat(segvCodeNames.get(1)).isEqualTo("SEGV_MTEAERR");
+ assertThat(segvCodeNames.get(2)).isEqualTo("SEGV_MTEAERR");
+ }
+
+ @Test
+ public void testDowngrade() throws Exception {
+ CommandResult result =
+ getDevice()
+ .executeShellV2Command(
+ "MEMTAG_OPTIONS=async BIONIC_MEMTAG_UPGRADE_SECS=5"
+ + " /system/bin/mte_upgrade_test_helper --check-downgrade");
+ assertThat(result.getExitCode()).isEqualTo(0);
+ }
+
+ @Test
+ public void testAppProcess() throws Exception {
+ CommandResult result =
+ getDevice()
+ .executeShellV2Command(
+ "MEMTAG_OPTIONS=async BIONIC_MEMTAG_UPGRADE_SECS=5"
+ + " /data/local/tmp/app_process64 --get-mode");
+ assertThat(result.getExitCode()).isEqualTo(1); // ASYNC
+ }
+}
diff --git a/init/uevent_listener.cpp b/init/uevent_listener.cpp
index 7cd396a..5da6777 100644
--- a/init/uevent_listener.cpp
+++ b/init/uevent_listener.cpp
@@ -92,12 +92,12 @@
LOG(FATAL) << "Could not open uevent socket";
}
- fcntl(device_fd_, F_SETFL, O_NONBLOCK);
+ fcntl(device_fd_.get(), F_SETFL, O_NONBLOCK);
}
ReadUeventResult UeventListener::ReadUevent(Uevent* uevent) const {
char msg[UEVENT_MSG_LEN + 2];
- int n = uevent_kernel_multicast_recv(device_fd_, msg, UEVENT_MSG_LEN);
+ int n = uevent_kernel_multicast_recv(device_fd_.get(), msg, UEVENT_MSG_LEN);
if (n <= 0) {
if (errno != EAGAIN && errno != EWOULDBLOCK) {
PLOG(ERROR) << "Error reading from Uevent Fd";
@@ -184,9 +184,10 @@
const std::optional<std::chrono::milliseconds> relative_timeout) const {
using namespace std::chrono;
- pollfd ufd;
- ufd.events = POLLIN;
- ufd.fd = device_fd_;
+ pollfd ufd = {
+ .events = POLLIN,
+ .fd = device_fd_.get(),
+ };
auto start_time = steady_clock::now();
diff --git a/init/util.cpp b/init/util.cpp
index bfc3fb6..bc8ea6e 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -30,6 +30,7 @@
#include <time.h>
#include <unistd.h>
+#include <map>
#include <thread>
#include <android-base/file.h>
@@ -88,8 +89,8 @@
* daemon. We communicate the file descriptor's value via the environment
* variable ANDROID_SOCKET_ENV_PREFIX<name> ("ANDROID_SOCKET_foo").
*/
-Result<int> CreateSocket(const std::string& name, int type, bool passcred, mode_t perm, uid_t uid,
- gid_t gid, const std::string& socketcon) {
+Result<int> CreateSocket(const std::string& name, int type, bool passcred, bool should_listen,
+ mode_t perm, uid_t uid, gid_t gid, const std::string& socketcon) {
if (!socketcon.empty()) {
if (setsockcreatecon(socketcon.c_str()) == -1) {
return ErrnoError() << "setsockcreatecon(\"" << socketcon << "\") failed";
@@ -119,12 +120,12 @@
if (passcred) {
int on = 1;
- if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
+ if (setsockopt(fd.get(), SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
return ErrnoError() << "Failed to set SO_PASSCRED '" << name << "'";
}
}
- int ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr));
+ int ret = bind(fd.get(), (struct sockaddr*)&addr, sizeof(addr));
int savederrno = errno;
if (!secontext.empty()) {
@@ -144,6 +145,9 @@
if (fchmodat(AT_FDCWD, addr.sun_path, perm, AT_SYMLINK_NOFOLLOW)) {
return ErrnoError() << "Failed to fchmodat socket '" << addr.sun_path << "'";
}
+ if (should_listen && listen(fd.get(), /* use OS maximum */ 1 << 30)) {
+ return ErrnoError() << "Failed to listen on socket '" << addr.sun_path << "'";
+ }
LOG(INFO) << "Created socket '" << addr.sun_path << "'"
<< ", mode " << std::oct << perm << std::dec
@@ -164,7 +168,7 @@
// For security reasons, disallow world-writable
// or group-writable files.
struct stat sb;
- if (fstat(fd, &sb) == -1) {
+ if (fstat(fd.get(), &sb) == -1) {
return ErrnoError() << "fstat failed()";
}
if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) {
@@ -748,5 +752,57 @@
return "";
}
+std::vector<std::string> FilterVersionedConfigs(const std::vector<std::string>& configs,
+ int active_sdk) {
+ std::vector<std::string> filtered_configs;
+
+ std::map<std::string, std::pair<std::string, int>> script_map;
+ for (const auto& c : configs) {
+ int sdk = 0;
+ const std::vector<std::string> parts = android::base::Split(c, ".");
+ std::string base;
+ if (parts.size() < 2) {
+ continue;
+ }
+
+ // parts[size()-1], aka the suffix, should be "rc" or "#rc"
+ // any other pattern gets discarded
+
+ const auto& suffix = parts[parts.size() - 1];
+ if (suffix == "rc") {
+ sdk = 0;
+ } else {
+ char trailer[9] = {0};
+ int r = sscanf(suffix.c_str(), "%d%8s", &sdk, trailer);
+ if (r != 2) {
+ continue;
+ }
+ if (strlen(trailer) > 2 || strcmp(trailer, "rc") != 0) {
+ continue;
+ }
+ }
+
+ if (sdk < 0 || sdk > active_sdk) {
+ continue;
+ }
+
+ base = parts[0];
+ for (unsigned int i = 1; i < parts.size() - 1; i++) {
+ base = base + "." + parts[i];
+ }
+
+ // is this preferred over what we already have
+ auto it = script_map.find(base);
+ if (it == script_map.end() || it->second.second < sdk) {
+ script_map[base] = std::make_pair(c, sdk);
+ }
+ }
+
+ for (const auto& m : script_map) {
+ filtered_configs.push_back(m.second.first);
+ }
+ return filtered_configs;
+}
+
} // namespace init
} // namespace android
diff --git a/init/util.h b/init/util.h
index daec470..e58e70e 100644
--- a/init/util.h
+++ b/init/util.h
@@ -44,8 +44,8 @@
extern void (*trigger_shutdown)(const std::string& command);
-Result<int> CreateSocket(const std::string& name, int type, bool passcred, mode_t perm, uid_t uid,
- gid_t gid, const std::string& socketcon);
+Result<int> CreateSocket(const std::string& name, int type, bool passcred, bool should_listen,
+ mode_t perm, uid_t uid, gid_t gid, const std::string& socketcon);
Result<std::string> ReadFile(const std::string& path);
Result<void> WriteFile(const std::string& path, const std::string& content);
@@ -109,5 +109,11 @@
bool Has32BitAbi();
std::string GetApexNameFromFileName(const std::string& path);
+
+// Compare all files */path.#rc and */path.rc with the same path prefix.
+// Keep the one with the highest # that doesn't exceed the system's SDK.
+// (.rc == .0rc for ranking purposes)
+std::vector<std::string> FilterVersionedConfigs(const std::vector<std::string>& configs,
+ int active_sdk);
} // namespace init
} // namespace android
diff --git a/janitors/OWNERS b/janitors/OWNERS
index 3e32c26..d871201 100644
--- a/janitors/OWNERS
+++ b/janitors/OWNERS
@@ -1,6 +1,7 @@
# OWNERS file for projects that don't really have owners so much as volunteer janitors.
ccross@google.com
+cferris@google.com
dwillemsen@google.com
enh@google.com
-hhb@google.com
narayan@google.com
+sadafebrahimi@google.com
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index c8bfb01..b135e57 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -168,6 +168,9 @@
target: {
linux_bionic: {
enabled: true,
+ static_libs: [
+ "libasync_safe",
+ ],
},
not_windows: {
srcs: libcutils_nonwindows_sources + [
@@ -190,6 +193,12 @@
],
},
android: {
+ sanitize: {
+ misc_undefined: ["integer"],
+ },
+ static_libs: [
+ "libasync_safe",
+ ],
srcs: libcutils_nonwindows_sources + [
"android_reboot.cpp",
"ashmem-dev.cpp",
@@ -203,32 +212,6 @@
],
},
- android_arm: {
- sanitize: {
- misc_undefined: ["integer"],
- },
- },
- android_arm64: {
- sanitize: {
- misc_undefined: ["integer"],
- },
- },
-
- android_x86: {
- // TODO: This is to work around b/29412086.
- // Remove once __mulodi4 is available and move the "sanitize" block
- // to the android target.
- sanitize: {
- misc_undefined: [],
- },
- },
-
- android_x86_64: {
- sanitize: {
- misc_undefined: ["integer"],
- },
- },
-
// qtaguid.cpp loads libnetd_client.so with dlopen(). Since
// the interface of libnetd_client.so may vary between AOSP
// releases, exclude qtaguid.cpp from the VNDK-SP variant.
diff --git a/libcutils/TEST_MAPPING b/libcutils/TEST_MAPPING
index 6477502..eb63aa5 100644
--- a/libcutils/TEST_MAPPING
+++ b/libcutils/TEST_MAPPING
@@ -8,5 +8,10 @@
{
"name": "libcutils_test"
}
+ ],
+ "kernel-presubmit": [
+ {
+ "name": "libcutils_test"
+ }
]
}
diff --git a/libcutils/ashmem_test.cpp b/libcutils/ashmem_test.cpp
index fb657f6..d158427 100644
--- a/libcutils/ashmem_test.cpp
+++ b/libcutils/ashmem_test.cpp
@@ -75,7 +75,7 @@
unique_fd fd;
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));
- void *region1;
+ void* region1 = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, ®ion1));
memcpy(region1, &data, size);
@@ -97,7 +97,7 @@
unique_fd fd;
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));
- void *region1;
+ void* region1 = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, ®ion1));
memcpy(region1, &data, size);
@@ -131,7 +131,7 @@
TEST(AshmemTest, FileOperationsTest) {
unique_fd fd;
- void* region;
+ void* region = nullptr;
// Allocate a 4-page buffer, but leave page-sized holes on either side
constexpr size_t size = PAGE_SIZE * 4;
@@ -246,7 +246,7 @@
unique_fd fd[nRegions];
for (int i = 0; i < nRegions; i++) {
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd[i], PROT_READ | PROT_WRITE));
- void *region;
+ void* region = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, ®ion));
memcpy(region, &data, size);
ASSERT_EQ(0, memcmp(region, &data, size));
diff --git a/libcutils/include/cutils/native_handle.h b/libcutils/include/cutils/native_handle.h
index 4f07456..e46e7cd 100644
--- a/libcutils/include/cutils/native_handle.h
+++ b/libcutils/include/cutils/native_handle.h
@@ -49,18 +49,28 @@
typedef const native_handle_t* buffer_handle_t;
/*
- * native_handle_close
- *
- * closes the file descriptors contained in this native_handle_t
- *
+ * Closes the file descriptors contained in this native_handle_t, which may
+ * either be untagged or tagged for ownership by this native_handle_t via
+ * native_handle_set_tag(). Mixing untagged and tagged fds in the same
+ * native_handle_t is not permitted and triggers an fdsan exception, but
+ * native_handle_set_fdsan_tag() can be used to bring consistency if this is
+ * intentional.
+ *
+ * If it's known that fds are tagged, prefer native_handle_close_with_tag() for
+ * better safety.
+ *
* return 0 on success, or a negative error code on failure
- *
*/
int native_handle_close(const native_handle_t* h);
/*
- * native_handle_init
- *
+ * Equivalent to native_handle_close(), but throws an fdsan exception if the fds
+ * are untagged. Use if it's known that the fds in this native_handle_t were
+ * previously tagged via native_handle_set_tag().
+ */
+int native_handle_close_with_tag(const native_handle_t* h);
+
+/*
* Initializes a native_handle_t from storage. storage must be declared with
* NATIVE_HANDLE_DECLARE_STORAGE. numFds and numInts must not respectively
* exceed maxFds and maxInts used to declare the storage.
@@ -68,33 +78,42 @@
native_handle_t* native_handle_init(char* storage, int numFds, int numInts);
/*
- * native_handle_create
- *
- * creates a native_handle_t and initializes it. must be destroyed with
+ * Creates a native_handle_t and initializes it. Must be destroyed with
* native_handle_delete(). Note that numFds must be <= NATIVE_HANDLE_MAX_FDS,
* numInts must be <= NATIVE_HANDLE_MAX_INTS, and both must be >= 0.
- *
*/
native_handle_t* native_handle_create(int numFds, int numInts);
/*
- * native_handle_clone
- *
- * creates a native_handle_t and initializes it from another native_handle_t.
+ * Updates the fdsan tag for any file descriptors contained in the supplied
+ * handle to indicate that they are owned by this handle and should only be
+ * closed via native_handle_close()/native_handle_close_with_tag(). Each fd in
+ * the handle must have a tag of either 0 (unset) or the tag associated with
+ * this handle, otherwise an fdsan exception will be triggered.
+ */
+void native_handle_set_fdsan_tag(const native_handle_t* handle);
+
+/*
+ * Clears the fdsan tag for any file descriptors contained in the supplied
+ * native_handle_t. Use if this native_handle_t is giving up ownership of its
+ * fds, but the fdsan tags were previously set. Each fd in the handle must have
+ * a tag of either 0 (unset) or the tag associated with this handle, otherwise
+ * an fdsan exception will be triggered.
+ */
+void native_handle_unset_fdsan_tag(const native_handle_t* handle);
+
+/*
+ * Creates a native_handle_t and initializes it from another native_handle_t.
* Must be destroyed with native_handle_delete().
- *
*/
native_handle_t* native_handle_clone(const native_handle_t* handle);
/*
- * native_handle_delete
- *
- * frees a native_handle_t allocated with native_handle_create().
+ * Frees a native_handle_t allocated with native_handle_create().
* This ONLY frees the memory allocated for the native_handle_t, but doesn't
* close the file descriptors; which can be achieved with native_handle_close().
- *
+ *
* return 0 on success, or a negative error code on failure
- *
*/
int native_handle_delete(native_handle_t* h);
diff --git a/libcutils/include/cutils/qtaguid.h b/libcutils/include/cutils/qtaguid.h
index a5ffb03..8902c2b 100644
--- a/libcutils/include/cutils/qtaguid.h
+++ b/libcutils/include/cutils/qtaguid.h
@@ -33,12 +33,6 @@
*/
extern int qtaguid_untagSocket(int sockfd);
-/*
- * Enable/disable qtaguid functionnality at a lower level.
- * When pacified, the kernel will accept commands but do nothing.
- */
-extern int qtaguid_setPacifier(int on);
-
#ifdef __cplusplus
}
#endif
diff --git a/libcutils/include/private/android_filesystem_config.h b/libcutils/include/private/android_filesystem_config.h
index bdb8075..1e035bb 100644
--- a/libcutils/include/private/android_filesystem_config.h
+++ b/libcutils/include/private/android_filesystem_config.h
@@ -41,9 +41,11 @@
*/
#define AID_ROOT 0 /* traditional unix root user */
-/* The following are for LTP and should only be used for testing */
-#define AID_DAEMON 1 /* traditional unix daemon owner */
-#define AID_BIN 2 /* traditional unix binaries owner */
+
+/* The following are for tests like LTP and should only be used for testing. */
+#define AID_DAEMON 1 /* Traditional unix daemon owner. */
+#define AID_BIN 2 /* Traditional unix binaries owner. */
+#define AID_SYS 3 /* A group with the same gid on Linux/macOS/Android. */
#define AID_SYSTEM 1000 /* system server */
@@ -138,6 +140,7 @@
#define AID_JC_IDENTITYCRED 1089 /* Javacard Identity Cred HAL - to manage omapi ARA rules */
#define AID_SDK_SANDBOX 1090 /* SDK sandbox virtual UID */
#define AID_SECURITY_LOG_WRITER 1091 /* write to security log */
+#define AID_PRNG_SEEDER 1092 /* PRNG seeder daemon */
/* Changes to this file must be made in AOSP, *not* in internal branches. */
#define AID_SHELL 2000 /* adb and debug shell user */
diff --git a/libcutils/native_handle.cpp b/libcutils/native_handle.cpp
index 5804ab1..b85c93b 100644
--- a/libcutils/native_handle.cpp
+++ b/libcutils/native_handle.cpp
@@ -22,13 +22,74 @@
#include <string.h>
#include <unistd.h>
+// Needs to come after stdlib includes to capture the __BIONIC__ definition
+#ifdef __BIONIC__
+#include <android/fdsan.h>
+#endif
+
+namespace {
+
+#if !defined(__BIONIC__)
+// fdsan stubs when not linked against bionic
+#define ANDROID_FDSAN_OWNER_TYPE_NATIVE_HANDLE 0
+
+uint64_t android_fdsan_create_owner_tag(int /*type*/, uint64_t /*tag*/) {
+ return 0;
+}
+uint64_t android_fdsan_get_owner_tag(int /*fd*/) {
+ return 0;
+}
+int android_fdsan_close_with_tag(int fd, uint64_t /*tag*/) {
+ return close(fd);
+}
+void android_fdsan_exchange_owner_tag(int /*fd*/, uint64_t /*expected_tag*/, uint64_t /*tag*/) {}
+#endif // !__BIONIC__
+
+uint64_t get_fdsan_tag(const native_handle_t* handle) {
+ return android_fdsan_create_owner_tag(ANDROID_FDSAN_OWNER_TYPE_NATIVE_HANDLE,
+ reinterpret_cast<uint64_t>(handle));
+}
+
+int close_internal(const native_handle_t* h, bool allowUntagged) {
+ if (!h) return 0;
+
+ if (h->version != sizeof(native_handle_t)) return -EINVAL;
+
+ const int numFds = h->numFds;
+ uint64_t tag;
+ if (allowUntagged && numFds > 0 && android_fdsan_get_owner_tag(h->data[0]) == 0) {
+ tag = 0;
+ } else {
+ tag = get_fdsan_tag(h);
+ }
+ int saved_errno = errno;
+ for (int i = 0; i < numFds; ++i) {
+ android_fdsan_close_with_tag(h->data[i], tag);
+ }
+ errno = saved_errno;
+ return 0;
+}
+
+void swap_fdsan_tags(const native_handle_t* handle, uint64_t expected_tag, uint64_t new_tag) {
+ if (!handle || handle->version != sizeof(native_handle_t)) return;
+
+ for (int i = 0; i < handle->numFds; i++) {
+ // allow for idempotence to make the APIs easier to use
+ if (android_fdsan_get_owner_tag(handle->data[i]) != new_tag) {
+ android_fdsan_exchange_owner_tag(handle->data[i], expected_tag, new_tag);
+ }
+ }
+}
+
+} // anonymous namespace
+
native_handle_t* native_handle_init(char* storage, int numFds, int numInts) {
- if ((uintptr_t) storage % alignof(native_handle_t)) {
+ if ((uintptr_t)storage % alignof(native_handle_t)) {
errno = EINVAL;
return NULL;
}
- native_handle_t* handle = (native_handle_t*) storage;
+ native_handle_t* handle = (native_handle_t*)storage;
handle->version = sizeof(native_handle_t);
handle->numFds = numFds;
handle->numInts = numInts;
@@ -52,6 +113,14 @@
return h;
}
+void native_handle_set_fdsan_tag(const native_handle_t* handle) {
+ swap_fdsan_tags(handle, 0, get_fdsan_tag(handle));
+}
+
+void native_handle_unset_fdsan_tag(const native_handle_t* handle) {
+ swap_fdsan_tags(handle, get_fdsan_tag(handle), 0);
+}
+
native_handle_t* native_handle_clone(const native_handle_t* handle) {
native_handle_t* clone = native_handle_create(handle->numFds, handle->numInts);
if (clone == NULL) return NULL;
@@ -81,15 +150,9 @@
}
int native_handle_close(const native_handle_t* h) {
- if (!h) return 0;
+ return close_internal(h, /*allowUntagged=*/true);
+}
- if (h->version != sizeof(native_handle_t)) return -EINVAL;
-
- int saved_errno = errno;
- const int numFds = h->numFds;
- for (int i = 0; i < numFds; ++i) {
- close(h->data[i]);
- }
- errno = saved_errno;
- return 0;
+int native_handle_close_with_tag(const native_handle_t* h) {
+ return close_internal(h, /*allowUntagged=*/false);
}
diff --git a/libcutils/qtaguid.cpp b/libcutils/qtaguid.cpp
index a987b85..f847782 100644
--- a/libcutils/qtaguid.cpp
+++ b/libcutils/qtaguid.cpp
@@ -22,76 +22,60 @@
#include <dlfcn.h>
#include <errno.h>
-#include <fcntl.h>
#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
#include <log/log.h>
-class netdHandler {
- public:
+struct netdHandler {
int (*netdTagSocket)(int, uint32_t, uid_t);
int (*netdUntagSocket)(int);
};
-int stubTagSocket(int, uint32_t, uid_t) {
+static int stubTagSocket(int, uint32_t, uid_t) {
return -EREMOTEIO;
}
-int stubUntagSocket(int) {
+static int stubUntagSocket(int) {
return -EREMOTEIO;
}
-netdHandler initHandler(void) {
- netdHandler handler = {stubTagSocket, stubUntagSocket};
+static netdHandler initHandler(void) {
+ const netdHandler stubHandler = { stubTagSocket, stubUntagSocket };
void* netdClientHandle = dlopen("libnetd_client.so", RTLD_NOW);
if (!netdClientHandle) {
ALOGE("Failed to open libnetd_client.so: %s", dlerror());
- return handler;
+ return stubHandler;
}
+ netdHandler handler;
handler.netdTagSocket = (int (*)(int, uint32_t, uid_t))dlsym(netdClientHandle, "tagSocket");
if (!handler.netdTagSocket) {
ALOGE("load netdTagSocket handler failed: %s", dlerror());
+ return stubHandler;
}
handler.netdUntagSocket = (int (*)(int))dlsym(netdClientHandle, "untagSocket");
if (!handler.netdUntagSocket) {
ALOGE("load netdUntagSocket handler failed: %s", dlerror());
+ return stubHandler;
}
return handler;
}
// The language guarantees that this object will be initialized in a thread-safe way.
-static netdHandler& getHandler() {
- static netdHandler instance = initHandler();
+static const netdHandler& getHandler() {
+ static const netdHandler instance = initHandler();
return instance;
}
int qtaguid_tagSocket(int sockfd, int tag, uid_t uid) {
- // Check the socket fd passed to us is still valid before we load the netd
- // client. Pass a already closed socket fd to netd client may let netd open
- // the unix socket with the same fd number and pass it to server for
- // tagging.
- // TODO: move the check into netdTagSocket.
- int res = fcntl(sockfd, F_GETFD);
- if (res < 0) return res;
-
ALOGV("Tagging socket %d with tag %u for uid %d", sockfd, tag, uid);
return getHandler().netdTagSocket(sockfd, tag, uid);
}
int qtaguid_untagSocket(int sockfd) {
- // Similiar to tag socket. We need a check before untag to make sure untag a closed socket fail
- // as expected.
- // TODO: move the check into netdTagSocket.
- int res = fcntl(sockfd, F_GETFD);
- if (res < 0) return res;
-
ALOGV("Untagging socket %d", sockfd);
return getHandler().netdUntagSocket(sockfd);
}
diff --git a/libdiskconfig/diskconfig.c b/libdiskconfig/diskconfig.c
index c7e1b43..5f34748 100644
--- a/libdiskconfig/diskconfig.c
+++ b/libdiskconfig/diskconfig.c
@@ -398,7 +398,7 @@
case PART_SCHEME_GPT:
/* not supported yet */
default:
- ALOGE("Uknown partition scheme.");
+ ALOGE("Unknown partition scheme.");
break;
}
diff --git a/libmodprobe/libmodprobe.cpp b/libmodprobe/libmodprobe.cpp
index b2ace34..e071c96 100644
--- a/libmodprobe/libmodprobe.cpp
+++ b/libmodprobe/libmodprobe.cpp
@@ -444,6 +444,7 @@
// until all modules are loaded.
bool Modprobe::LoadModulesParallel(int num_threads) {
bool ret = true;
+ int count = -1;
std::map<std::string, std::set<std::string>> mod_with_deps;
// Get dependencies
@@ -471,18 +472,21 @@
}
}
- while (!mod_with_deps.empty()) {
+ while (!mod_with_deps.empty() && count != module_loaded_.size()) {
std::vector<std::thread> threads;
std::vector<std::string> mods_path_to_load;
std::mutex vector_lock;
+ count = module_loaded_.size();
// Find independent modules
for (const auto& [it_mod, it_dep] : mod_with_deps) {
if (it_dep.size() == 1) {
if (module_options_[it_mod].find("load_sequential=1") != std::string::npos) {
- LoadWithAliases(it_mod, true);
+ if (!LoadWithAliases(it_mod, true) && !IsBlocklisted(it_mod)) {
+ return false;
+ }
} else {
- mods_path_to_load.emplace_back(*(it_dep.begin()));
+ mods_path_to_load.emplace_back(it_mod);
}
}
}
@@ -491,12 +495,16 @@
auto thread_function = [&] {
std::unique_lock lk(vector_lock);
while (!mods_path_to_load.empty()) {
- auto mod_path_to_load = std::move(mods_path_to_load.back());
+ auto ret_load = true;
+ auto mod_to_load = std::move(mods_path_to_load.back());
mods_path_to_load.pop_back();
lk.unlock();
- ret &= Insmod(mod_path_to_load, "");
+ ret_load &= LoadWithAliases(mod_to_load, true);
lk.lock();
+ if (!ret_load && !IsBlocklisted(mod_to_load)) {
+ ret &= ret_load;
+ }
}
};
@@ -508,6 +516,8 @@
thread.join();
}
+ if (!ret) return ret;
+
std::lock_guard guard(module_loaded_lock_);
// Remove loaded module form mod_with_deps and soft dependencies of other modules
for (const auto& module_loaded : module_loaded_) {
diff --git a/libprocessgroup/Android.bp b/libprocessgroup/Android.bp
index 7b0e0d3..c6a0737 100644
--- a/libprocessgroup/Android.bp
+++ b/libprocessgroup/Android.bp
@@ -2,6 +2,17 @@
default_applicable_licenses: ["Android-Apache-2.0"],
}
+cc_defaults {
+ name: "libprocessgroup_defaults",
+ cpp_std: "gnu++20",
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wexit-time-destructors",
+ "-Wno-unused-parameter",
+ ],
+}
+
cc_library_headers {
name: "libprocessgroup_headers",
vendor_available: true,
@@ -62,11 +73,7 @@
export_header_lib_headers: [
"libprocessgroup_headers",
],
- cflags: [
- "-Wall",
- "-Werror",
- "-Wexit-time-destructors",
- ],
+ defaults: ["libprocessgroup_defaults"],
apex_available: [
"//apex_available:platform",
"//apex_available:anyapex",
@@ -77,12 +84,7 @@
cc_test {
name: "task_profiles_test",
host_supported: true,
- cflags: [
- "-Wall",
- "-Werror",
- "-Wexit-time-destructors",
- "-Wno-unused-parameter",
- ],
+ defaults: ["libprocessgroup_defaults"],
srcs: [
"task_profiles_test.cpp",
],
diff --git a/libprocessgroup/OWNERS b/libprocessgroup/OWNERS
index 8ebb8cc..d5aa721 100644
--- a/libprocessgroup/OWNERS
+++ b/libprocessgroup/OWNERS
@@ -1,2 +1,4 @@
-ccross@google.com
+# Bug component: 1293033
surenb@google.com
+tjmercier@google.com
+carlosgalo@google.com
diff --git a/libprocessgroup/cgroup_map.cpp b/libprocessgroup/cgroup_map.cpp
index 8c00326..468d796 100644
--- a/libprocessgroup/cgroup_map.cpp
+++ b/libprocessgroup/cgroup_map.cpp
@@ -49,7 +49,7 @@
static constexpr const char* CGROUP_PROCS_FILE = "/cgroup.procs";
static constexpr const char* CGROUP_TASKS_FILE = "/tasks";
-static constexpr const char* CGROUP_TASKS_FILE_V2 = "/cgroup.tasks";
+static constexpr const char* CGROUP_TASKS_FILE_V2 = "/cgroup.threads";
uint32_t CgroupController::version() const {
CHECK(HasValue());
diff --git a/libprocessgroup/cgrouprc/libcgrouprc.map.txt b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
index ce5c419..b62b10f 100644
--- a/libprocessgroup/cgrouprc/libcgrouprc.map.txt
+++ b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
@@ -1,18 +1,18 @@
LIBCGROUPRC { # introduced=29
global:
- ACgroupFile_getVersion;
- ACgroupFile_getControllerCount;
- ACgroupFile_getController;
- ACgroupController_getVersion;
- ACgroupController_getName;
- ACgroupController_getPath;
+ ACgroupFile_getVersion; # llndk systemapi
+ ACgroupFile_getControllerCount; # llndk systemapi
+ ACgroupFile_getController; # llndk systemapi
+ ACgroupController_getVersion; # llndk systemapi
+ ACgroupController_getName; # llndk systemapi
+ ACgroupController_getPath; # llndk systemapi
local:
*;
};
LIBCGROUPRC_30 { # introduced=30
global:
- ACgroupController_getFlags;
+ ACgroupController_getFlags; # llndk systemapi
local:
*;
};
diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index 39b9f3f..9b2d775 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -18,13 +18,17 @@
#include <sys/cdefs.h>
#include <sys/types.h>
+#include <initializer_list>
+#include <span>
#include <string>
+#include <string_view>
#include <vector>
__BEGIN_DECLS
static constexpr const char* CGROUPV2_CONTROLLER_NAME = "cgroup2";
+bool CgroupsAvailable();
bool CgroupGetControllerPath(const std::string& cgroup_name, std::string* path);
bool CgroupGetControllerFromPath(const std::string& path, std::string* cgroup_name);
bool CgroupGetAttributePath(const std::string& attr_name, std::string* path);
@@ -33,6 +37,19 @@
bool SetTaskProfiles(int tid, const std::vector<std::string>& profiles, bool use_fd_cache = false);
bool SetProcessProfiles(uid_t uid, pid_t pid, const std::vector<std::string>& profiles);
+__END_DECLS
+
+bool SetTaskProfiles(int tid, std::initializer_list<std::string_view> profiles,
+ bool use_fd_cache = false);
+bool SetProcessProfiles(uid_t uid, pid_t pid, std::initializer_list<std::string_view> profiles);
+#if _LIBCPP_STD_VER > 17
+bool SetTaskProfiles(int tid, std::span<const std::string_view> profiles,
+ bool use_fd_cache = false);
+bool SetProcessProfiles(uid_t uid, pid_t pid, std::span<const std::string_view> profiles);
+#endif
+
+__BEGIN_DECLS
+
#ifndef __ANDROID_VNDK__
bool SetProcessProfilesCached(uid_t uid, pid_t pid, const std::vector<std::string>& profiles);
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 51c810e..1da69ba 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -55,6 +55,11 @@
#define PROCESSGROUP_CGROUP_PROCS_FILE "/cgroup.procs"
+bool CgroupsAvailable() {
+ static bool cgroups_available = access("/proc/cgroups", F_OK) == 0;
+ return cgroups_available;
+}
+
bool CgroupGetControllerPath(const std::string& cgroup_name, std::string* path) {
auto controller = CgroupMap::GetInstance().FindController(cgroup_name);
@@ -148,14 +153,35 @@
}
bool SetProcessProfiles(uid_t uid, pid_t pid, const std::vector<std::string>& profiles) {
+ return TaskProfiles::GetInstance().SetProcessProfiles(
+ uid, pid, std::span<const std::string>(profiles), false);
+}
+
+bool SetProcessProfiles(uid_t uid, pid_t pid, std::initializer_list<std::string_view> profiles) {
+ return TaskProfiles::GetInstance().SetProcessProfiles(
+ uid, pid, std::span<const std::string_view>(profiles), false);
+}
+
+bool SetProcessProfiles(uid_t uid, pid_t pid, std::span<const std::string_view> profiles) {
return TaskProfiles::GetInstance().SetProcessProfiles(uid, pid, profiles, false);
}
bool SetProcessProfilesCached(uid_t uid, pid_t pid, const std::vector<std::string>& profiles) {
- return TaskProfiles::GetInstance().SetProcessProfiles(uid, pid, profiles, true);
+ return TaskProfiles::GetInstance().SetProcessProfiles(
+ uid, pid, std::span<const std::string>(profiles), true);
}
bool SetTaskProfiles(int tid, const std::vector<std::string>& profiles, bool use_fd_cache) {
+ return TaskProfiles::GetInstance().SetTaskProfiles(tid, std::span<const std::string>(profiles),
+ use_fd_cache);
+}
+
+bool SetTaskProfiles(int tid, std::initializer_list<std::string_view> profiles, bool use_fd_cache) {
+ return TaskProfiles::GetInstance().SetTaskProfiles(
+ tid, std::span<const std::string_view>(profiles), use_fd_cache);
+}
+
+bool SetTaskProfiles(int tid, std::span<const std::string_view> profiles, bool use_fd_cache) {
return TaskProfiles::GetInstance().SetTaskProfiles(tid, profiles, use_fd_cache);
}
@@ -166,12 +192,12 @@
// https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3574427/5/src/linux/android.rs#12
extern "C" bool android_set_process_profiles(uid_t uid, pid_t pid, size_t num_profiles,
const char* profiles[]) {
- std::vector<std::string> profiles_;
+ std::vector<std::string_view> profiles_;
profiles_.reserve(num_profiles);
for (size_t i = 0; i < num_profiles; i++) {
profiles_.emplace_back(profiles[i]);
}
- return SetProcessProfiles(uid, pid, profiles_);
+ return SetProcessProfiles(uid, pid, std::span<const std::string_view>(profiles_));
}
static std::string ConvertUidToPath(const char* cgroup, uid_t uid) {
@@ -341,59 +367,70 @@
// Returns 0 if there are no processes in the process cgroup left to kill
// Returns -1 on error
static int DoKillProcessGroupOnce(const char* cgroup, uid_t uid, int initialPid, int signal) {
- auto path = ConvertUidPidToPath(cgroup, uid, initialPid) + PROCESSGROUP_CGROUP_PROCS_FILE;
- std::unique_ptr<FILE, decltype(&fclose)> fd(fopen(path.c_str(), "re"), fclose);
- if (!fd) {
- if (errno == ENOENT) {
- // This happens when process is already dead
- return 0;
- }
- PLOG(WARNING) << __func__ << " failed to open process cgroup uid " << uid << " pid "
- << initialPid;
- return -1;
- }
-
// We separate all of the pids in the cgroup into those pids that are also the leaders of
// process groups (stored in the pgids set) and those that are not (stored in the pids set).
std::set<pid_t> pgids;
pgids.emplace(initialPid);
std::set<pid_t> pids;
- pid_t pid;
+ std::unique_ptr<FILE, decltype(&fclose)> fd(nullptr, fclose);
+
+ if (CgroupsAvailable()) {
+ auto path = ConvertUidPidToPath(cgroup, uid, initialPid) + PROCESSGROUP_CGROUP_PROCS_FILE;
+ fd.reset(fopen(path.c_str(), "re"));
+ if (!fd) {
+ if (errno == ENOENT) {
+ // This happens when process is already dead
+ return 0;
+ }
+ PLOG(WARNING) << __func__ << " failed to open process cgroup uid " << uid << " pid "
+ << initialPid;
+ return -1;
+ }
+ pid_t pid;
+ bool file_is_empty = true;
+ while (fscanf(fd.get(), "%d\n", &pid) == 1 && pid >= 0) {
+ file_is_empty = false;
+ if (pid == 0) {
+ // Should never happen... but if it does, trying to kill this
+ // will boomerang right back and kill us! Let's not let that happen.
+ LOG(WARNING)
+ << "Yikes, we've been told to kill pid 0! How about we don't do that?";
+ continue;
+ }
+ pid_t pgid = getpgid(pid);
+ if (pgid == -1) PLOG(ERROR) << "getpgid(" << pid << ") failed";
+ if (pgid == pid) {
+ pgids.emplace(pid);
+ } else {
+ pids.emplace(pid);
+ }
+ }
+ if (file_is_empty) {
+ // This happens when process is already dead
+ return 0;
+ }
+
+ // Erase all pids that will be killed when we kill the process groups.
+ for (auto it = pids.begin(); it != pids.end();) {
+ pid_t pgid = getpgid(*it);
+ if (pgids.count(pgid) == 1) {
+ it = pids.erase(it);
+ } else {
+ ++it;
+ }
+ }
+ }
+
int processes = 0;
- while (fscanf(fd.get(), "%d\n", &pid) == 1 && pid >= 0) {
- processes++;
- if (pid == 0) {
- // Should never happen... but if it does, trying to kill this
- // will boomerang right back and kill us! Let's not let that happen.
- LOG(WARNING) << "Yikes, we've been told to kill pid 0! How about we don't do that?";
- continue;
- }
- pid_t pgid = getpgid(pid);
- if (pgid == -1) PLOG(ERROR) << "getpgid(" << pid << ") failed";
- if (pgid == pid) {
- pgids.emplace(pid);
- } else {
- pids.emplace(pid);
- }
- }
-
- // Erase all pids that will be killed when we kill the process groups.
- for (auto it = pids.begin(); it != pids.end();) {
- pid_t pgid = getpgid(*it);
- if (pgids.count(pgid) == 1) {
- it = pids.erase(it);
- } else {
- ++it;
- }
- }
-
// Kill all process groups.
for (const auto pgid : pgids) {
LOG(VERBOSE) << "Killing process group " << -pgid << " in uid " << uid
<< " as part of process cgroup " << initialPid;
- if (kill(-pgid, signal) == -1 && errno != ESRCH) {
+ if (kill(-pgid, signal) == 0) {
+ processes++;
+ } else if (errno != ESRCH) {
PLOG(WARNING) << "kill(" << -pgid << ", " << signal << ") failed";
}
}
@@ -403,18 +440,22 @@
LOG(VERBOSE) << "Killing pid " << pid << " in uid " << uid << " as part of process cgroup "
<< initialPid;
- if (kill(pid, signal) == -1 && errno != ESRCH) {
+ if (kill(pid, signal) == 0) {
+ processes++;
+ } else if (errno != ESRCH) {
PLOG(WARNING) << "kill(" << pid << ", " << signal << ") failed";
}
}
- return feof(fd.get()) ? processes : -1;
+ return (!fd || feof(fd.get())) ? processes : -1;
}
static int KillProcessGroup(uid_t uid, int initialPid, int signal, int retries,
int* max_processes) {
std::string hierarchy_root_path;
- CgroupGetControllerPath(CGROUPV2_CONTROLLER_NAME, &hierarchy_root_path);
+ if (CgroupsAvailable()) {
+ CgroupGetControllerPath(CGROUPV2_CONTROLLER_NAME, &hierarchy_root_path);
+ }
const char* cgroup = hierarchy_root_path.c_str();
std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now();
@@ -430,6 +471,11 @@
*max_processes = processes;
}
LOG(VERBOSE) << "Killed " << processes << " processes for processgroup " << initialPid;
+ if (!CgroupsAvailable()) {
+ // makes no sense to retry, because there are no cgroup_procs file
+ processes = 0; // no remaining processes
+ break;
+ }
if (retry > 0) {
std::this_thread::sleep_for(5ms);
--retry;
@@ -459,6 +505,11 @@
<< " in " << static_cast<int>(ms) << "ms";
}
+ if (!CgroupsAvailable()) {
+ // nothing to do here, if cgroups isn't available
+ return 0;
+ }
+
// 400 retries correspond to 2 secs max timeout
int err = RemoveProcessGroup(cgroup, uid, initialPid, 400);
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 8589a8d..e44d3bf 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -76,6 +76,24 @@
"Name": "FreezerState",
"Controller": "freezer",
"File": "cgroup.freeze"
+ },
+ {
+ "Name": "BfqWeight",
+ "Controller": "io",
+ "File": "blkio.bfq.weight",
+ "FileV2": "io.bfq.weight"
+ },
+ {
+ "Name": "CfqGroupIdle",
+ "Controller": "io",
+ "File": "blkio.group_idle",
+ "FileV2": "io.group_idle"
+ },
+ {
+ "Name": "CfqWeight",
+ "Controller": "io",
+ "File": "blkio.weight",
+ "FileV2": "io.weight"
}
],
@@ -445,6 +463,33 @@
"Controller": "blkio",
"Path": "background"
}
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "BfqWeight",
+ "Value": "10",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqGroupIdle",
+ "Value": "0",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqWeight",
+ "Value": "200",
+ "Optional": "true"
+ }
}
]
},
@@ -458,6 +503,33 @@
"Controller": "blkio",
"Path": ""
}
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "BfqWeight",
+ "Value": "100",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqGroupIdle",
+ "Value": "0",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqWeight",
+ "Value": "1000",
+ "Optional": "true"
+ }
}
]
},
@@ -471,6 +543,33 @@
"Controller": "blkio",
"Path": ""
}
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "BfqWeight",
+ "Value": "100",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqGroupIdle",
+ "Value": "0",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqWeight",
+ "Value": "1000",
+ "Optional": "true"
+ }
}
]
},
@@ -484,6 +583,33 @@
"Controller": "blkio",
"Path": ""
}
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "BfqWeight",
+ "Value": "100",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqGroupIdle",
+ "Value": "0",
+ "Optional": "true"
+ }
+ },
+ {
+ "Name": "SetAttribute",
+ "Params":
+ {
+ "Name": "CfqWeight",
+ "Value": "1000",
+ "Optional": "true"
+ }
}
]
},
@@ -683,6 +809,10 @@
"Profiles": [ "Dex2oatPerformance", "LowIoPriority", "TimerSlackHigh" ]
},
{
+ "Name": "Dex2OatBackground",
+ "Profiles": [ "Dex2OatBootComplete" ]
+ },
+ {
"Name": "OtaProfiles",
"Profiles": [ "ServiceCapacityLow", "LowIoPriority", "HighEnergySaving" ]
}
diff --git a/libprocessgroup/task_profiles.cpp b/libprocessgroup/task_profiles.cpp
index e1c5934..35adf36 100644
--- a/libprocessgroup/task_profiles.cpp
+++ b/libprocessgroup/task_profiles.cpp
@@ -287,7 +287,7 @@
if (cache_type == ResourceCacheType::RCT_TASK &&
fd_[cache_type] == FdCacheHelper::FDS_APP_DEPENDENT) {
// application-dependent path can't be used with tid
- PLOG(ERROR) << "Application profile can't be applied to a thread";
+ LOG(ERROR) << Name() << ": application profile can't be applied to a thread";
return ProfileAction::FAIL;
}
@@ -304,7 +304,7 @@
std::string procs_path = controller()->GetProcsFilePath(path_, uid, pid);
unique_fd tmp_fd(TEMP_FAILURE_RETRY(open(procs_path.c_str(), O_WRONLY | O_CLOEXEC)));
if (tmp_fd < 0) {
- PLOG(WARNING) << "Failed to open " << procs_path;
+ PLOG(WARNING) << Name() << "::" << __func__ << ": failed to open " << procs_path;
return false;
}
if (!AddTidToCgroup(pid, tmp_fd, controller()->name())) {
@@ -325,7 +325,7 @@
std::string tasks_path = controller()->GetTasksFilePath(path_);
unique_fd tmp_fd(TEMP_FAILURE_RETRY(open(tasks_path.c_str(), O_WRONLY | O_CLOEXEC)));
if (tmp_fd < 0) {
- PLOG(WARNING) << "Failed to open " << tasks_path;
+ PLOG(WARNING) << Name() << "::" << __func__ << ": failed to open " << tasks_path;
return false;
}
if (!AddTidToCgroup(tid, tmp_fd, controller()->name())) {
@@ -394,7 +394,7 @@
unique_fd tmp_fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_WRONLY | O_CLOEXEC)));
if (tmp_fd < 0) {
- if (logfailures) PLOG(WARNING) << "Failed to open " << path;
+ if (logfailures) PLOG(WARNING) << Name() << "::" << __func__ << ": failed to open " << path;
return false;
}
@@ -431,7 +431,7 @@
if (cache_type == ResourceCacheType::RCT_TASK &&
fd_[cache_type] == FdCacheHelper::FDS_APP_DEPENDENT) {
// application-dependent path can't be used with tid
- PLOG(ERROR) << "Application profile can't be applied to a thread";
+ LOG(ERROR) << Name() << ": application profile can't be applied to a thread";
return ProfileAction::FAIL;
}
return ProfileAction::UNUSED;
@@ -786,7 +786,7 @@
return true;
}
-TaskProfile* TaskProfiles::GetProfile(const std::string& name) const {
+TaskProfile* TaskProfiles::GetProfile(std::string_view name) const {
auto iter = profiles_.find(name);
if (iter != profiles_.end()) {
@@ -795,7 +795,7 @@
return nullptr;
}
-const IProfileAttribute* TaskProfiles::GetAttribute(const std::string& name) const {
+const IProfileAttribute* TaskProfiles::GetAttribute(std::string_view name) const {
auto iter = attributes_.find(name);
if (iter != attributes_.end()) {
@@ -804,8 +804,9 @@
return nullptr;
}
-bool TaskProfiles::SetProcessProfiles(uid_t uid, pid_t pid,
- const std::vector<std::string>& profiles, bool use_fd_cache) {
+template <typename T>
+bool TaskProfiles::SetProcessProfiles(uid_t uid, pid_t pid, std::span<const T> profiles,
+ bool use_fd_cache) {
bool success = true;
for (const auto& name : profiles) {
TaskProfile* profile = GetProfile(name);
@@ -825,8 +826,8 @@
return success;
}
-bool TaskProfiles::SetTaskProfiles(int tid, const std::vector<std::string>& profiles,
- bool use_fd_cache) {
+template <typename T>
+bool TaskProfiles::SetTaskProfiles(int tid, std::span<const T> profiles, bool use_fd_cache) {
bool success = true;
for (const auto& name : profiles) {
TaskProfile* profile = GetProfile(name);
@@ -845,3 +846,14 @@
}
return success;
}
+
+template bool TaskProfiles::SetProcessProfiles(uid_t uid, pid_t pid,
+ std::span<const std::string> profiles,
+ bool use_fd_cache);
+template bool TaskProfiles::SetProcessProfiles(uid_t uid, pid_t pid,
+ std::span<const std::string_view> profiles,
+ bool use_fd_cache);
+template bool TaskProfiles::SetTaskProfiles(int tid, std::span<const std::string> profiles,
+ bool use_fd_cache);
+template bool TaskProfiles::SetTaskProfiles(int tid, std::span<const std::string_view> profiles,
+ bool use_fd_cache);
diff --git a/libprocessgroup/task_profiles.h b/libprocessgroup/task_profiles.h
index df08f65..85b3f91 100644
--- a/libprocessgroup/task_profiles.h
+++ b/libprocessgroup/task_profiles.h
@@ -18,9 +18,12 @@
#include <sys/cdefs.h>
#include <sys/types.h>
+#include <functional>
#include <map>
#include <mutex>
+#include <span>
#include <string>
+#include <string_view>
#include <vector>
#include <android-base/unique_fd.h>
@@ -206,18 +209,19 @@
// Should be used by all users
static TaskProfiles& GetInstance();
- TaskProfile* GetProfile(const std::string& name) const;
- const IProfileAttribute* GetAttribute(const std::string& name) const;
+ TaskProfile* GetProfile(std::string_view name) const;
+ const IProfileAttribute* GetAttribute(std::string_view name) const;
void DropResourceCaching(ProfileAction::ResourceCacheType cache_type) const;
- bool SetProcessProfiles(uid_t uid, pid_t pid, const std::vector<std::string>& profiles,
- bool use_fd_cache);
- bool SetTaskProfiles(int tid, const std::vector<std::string>& profiles, bool use_fd_cache);
+ template <typename T>
+ bool SetProcessProfiles(uid_t uid, pid_t pid, std::span<const T> profiles, bool use_fd_cache);
+ template <typename T>
+ bool SetTaskProfiles(int tid, std::span<const T> profiles, bool use_fd_cache);
private:
- std::map<std::string, std::shared_ptr<TaskProfile>> profiles_;
- std::map<std::string, std::unique_ptr<IProfileAttribute>> attributes_;
-
TaskProfiles();
bool Load(const CgroupMap& cg_map, const std::string& file_name);
+
+ std::map<std::string, std::shared_ptr<TaskProfile>, std::less<>> profiles_;
+ std::map<std::string, std::unique_ptr<IProfileAttribute>, std::less<>> attributes_;
};
diff --git a/libsparse/Android.bp b/libsparse/Android.bp
index 02bfee6..8e83e16 100644
--- a/libsparse/Android.bp
+++ b/libsparse/Android.bp
@@ -80,16 +80,12 @@
}
python_binary_host {
- name: "simg_dump.py",
+ name: "simg_dump",
main: "simg_dump.py",
srcs: ["simg_dump.py"],
version: {
- py2: {
- enabled: false,
- },
py3: {
embedded_launcher: true,
- enabled: true,
},
},
}
diff --git a/libsparse/append2simg.cpp b/libsparse/append2simg.cpp
index 99f4339..d3a43a8 100644
--- a/libsparse/append2simg.cpp
+++ b/libsparse/append2simg.cpp
@@ -64,60 +64,60 @@
input_path = argv[2];
} else {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
ret = asprintf(&tmp_path, "%s.append2simg", output_path);
if (ret < 0) {
fprintf(stderr, "Couldn't allocate filename\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
output = open(output_path, O_RDWR | O_BINARY);
if (output < 0) {
fprintf(stderr, "Couldn't open output file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_output = sparse_file_import_auto(output, false, true);
if (!sparse_output) {
fprintf(stderr, "Couldn't import output file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
input = open(input_path, O_RDONLY | O_BINARY);
if (input < 0) {
fprintf(stderr, "Couldn't open input file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
input_len = lseek64(input, 0, SEEK_END);
if (input_len < 0) {
fprintf(stderr, "Couldn't get input file length (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
} else if (input_len % sparse_output->block_size) {
fprintf(stderr, "Input file is not a multiple of the output file's block size");
- exit(-1);
+ exit(EXIT_FAILURE);
}
lseek64(input, 0, SEEK_SET);
output_block = sparse_output->len / sparse_output->block_size;
if (sparse_file_add_fd(sparse_output, input, 0, input_len, output_block) < 0) {
fprintf(stderr, "Couldn't add input file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_output->len += input_len;
tmp_fd = open(tmp_path, O_WRONLY | O_CREAT | O_BINARY, 0664);
if (tmp_fd < 0) {
fprintf(stderr, "Couldn't open temporary file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
lseek64(output, 0, SEEK_SET);
if (sparse_file_write(sparse_output, tmp_fd, false, true, false) < 0) {
fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_destroy(sparse_output);
@@ -128,10 +128,10 @@
ret = rename(tmp_path, output_path);
if (ret < 0) {
fprintf(stderr, "Failed to rename temporary file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
free(tmp_path);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/img2simg.cpp b/libsparse/img2simg.cpp
index 51580f7..c390506 100644
--- a/libsparse/img2simg.cpp
+++ b/libsparse/img2simg.cpp
@@ -61,14 +61,14 @@
break;
default:
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
extra = argc - optind;
if (extra < 2 || extra > 3) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
if (extra == 3) {
@@ -77,7 +77,7 @@
if (block_size < 1024 || block_size % 4 != 0) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
arg_in = argv[optind];
@@ -87,7 +87,7 @@
in = open(arg_in, O_RDONLY | O_BINARY);
if (in < 0) {
fprintf(stderr, "Cannot open input file %s\n", arg_in);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
@@ -98,7 +98,7 @@
out = open(arg_out, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
fprintf(stderr, "Cannot open output file %s\n", arg_out);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
@@ -108,24 +108,24 @@
s = sparse_file_new(block_size, len);
if (!s) {
fprintf(stderr, "Failed to create sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_verbose(s);
ret = sparse_file_read(s, in, mode, false);
if (ret) {
fprintf(stderr, "Failed to read file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
ret = sparse_file_write(s, out, false, true, false);
if (ret) {
fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
close(in);
close(out);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/simg2img.cpp b/libsparse/simg2img.cpp
index 8ba5f69..2301a83 100644
--- a/libsparse/simg2img.cpp
+++ b/libsparse/simg2img.cpp
@@ -41,13 +41,13 @@
if (argc < 3) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
out = open(argv[argc - 1], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
fprintf(stderr, "Cannot open output file %s\n", argv[argc - 1]);
- exit(-1);
+ exit(EXIT_FAILURE);
}
for (i = 1; i < argc - 1; i++) {
@@ -57,14 +57,14 @@
in = open(argv[i], O_RDONLY | O_BINARY);
if (in < 0) {
fprintf(stderr, "Cannot open input file %s\n", argv[i]);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
s = sparse_file_import(in, true, false);
if (!s) {
fprintf(stderr, "Failed to read sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
if (lseek(out, 0, SEEK_SET) == -1) {
@@ -74,7 +74,7 @@
if (sparse_file_write(s, out, false, false, false) < 0) {
fprintf(stderr, "Cannot write output file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_destroy(s);
close(in);
@@ -82,5 +82,5 @@
close(out);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/simg2simg.cpp b/libsparse/simg2simg.cpp
deleted file mode 100644
index a2c296e..0000000
--- a/libsparse/simg2simg.cpp
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE 1
-
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <sparse/sparse.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-void usage() {
- fprintf(stderr, "Usage: simg2simg <sparse image file> <sparse_image_file> <max_size>\n");
-}
-
-int main(int argc, char* argv[]) {
- int in;
- int out;
- int i;
- int ret;
- struct sparse_file* s;
- int64_t max_size;
- struct sparse_file** out_s;
- int files;
- char filename[4096];
-
- if (argc != 4) {
- usage();
- exit(-1);
- }
-
- max_size = atoll(argv[3]);
-
- in = open(argv[1], O_RDONLY | O_BINARY);
- if (in < 0) {
- fprintf(stderr, "Cannot open input file %s\n", argv[1]);
- exit(-1);
- }
-
- s = sparse_file_import(in, true, false);
- if (!s) {
- fprintf(stderr, "Failed to import sparse file\n");
- exit(-1);
- }
-
- files = sparse_file_resparse(s, max_size, nullptr, 0);
- if (files < 0) {
- fprintf(stderr, "Failed to resparse\n");
- exit(-1);
- }
-
- out_s = calloc(sizeof(struct sparse_file*), files);
- if (!out_s) {
- fprintf(stderr, "Failed to allocate sparse file array\n");
- exit(-1);
- }
-
- files = sparse_file_resparse(s, max_size, out_s, files);
- if (files < 0) {
- fprintf(stderr, "Failed to resparse\n");
- exit(-1);
- }
-
- for (i = 0; i < files; i++) {
- ret = snprintf(filename, sizeof(filename), "%s.%d", argv[2], i);
- if (ret >= (int)sizeof(filename)) {
- fprintf(stderr, "Filename too long\n");
- exit(-1);
- }
-
- out = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
- if (out < 0) {
- fprintf(stderr, "Cannot open output file %s\n", argv[2]);
- exit(-1);
- }
-
- ret = sparse_file_write(out_s[i], out, false, true, false);
- if (ret) {
- fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
- }
- close(out);
- }
-
- close(in);
-
- exit(0);
-}
diff --git a/libsparse/simg_dump.py b/libsparse/simg_dump.py
index 8811a52..47537ca 100755
--- a/libsparse/simg_dump.py
+++ b/libsparse/simg_dump.py
@@ -158,7 +158,7 @@
curtype = format("Fill with 0x%08X" % (fill))
if showhash:
h = hashlib.sha1()
- data = fill_bin * (blk_sz / 4);
+ data = fill_bin * (blk_sz // 4);
for block in range(chunk_sz):
h.update(data)
curhash = h.hexdigest()
diff --git a/libstats/expresslog/.clang-format b/libstats/expresslog/.clang-format
new file mode 100644
index 0000000..cead3a0
--- /dev/null
+++ b/libstats/expresslog/.clang-format
@@ -0,0 +1,17 @@
+BasedOnStyle: Google
+AllowShortIfStatementsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false
+AllowShortLoopsOnASingleLine: true
+BinPackArguments: true
+BinPackParameters: true
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ContinuationIndentWidth: 8
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+AccessModifierOffset: -4
+IncludeCategories:
+ - Regex: '^"Log\.h"'
+ Priority: -1
diff --git a/libstats/expresslog/Android.bp b/libstats/expresslog/Android.bp
new file mode 100644
index 0000000..9cdc2c3
--- /dev/null
+++ b/libstats/expresslog/Android.bp
@@ -0,0 +1,71 @@
+
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library {
+ name: "libexpresslog",
+ srcs: [
+ "Counter.cpp",
+ ],
+ cflags: [
+ "-DNAMESPACE_FOR_HASH_FUNCTIONS=farmhash",
+ "-Wall",
+ "-Werror",
+ ],
+ header_libs: [
+ "libtextclassifier_hash_headers",
+ ],
+ static_libs: [
+ "libstatslog_express",
+ "libtextclassifier_hash_static",
+ ],
+ shared_libs: [
+ "libbase",
+ "libstatssocket",
+ ],
+ export_include_dirs: ["include"],
+}
+
+genrule {
+ name: "statslog_express.h",
+ tools: ["stats-log-api-gen"],
+ cmd: "$(location stats-log-api-gen) --header $(genDir)/statslog_express.h --module expresslog --namespace android,expresslog",
+ out: [
+ "statslog_express.h",
+ ],
+}
+
+genrule {
+ name: "statslog_express.cpp",
+ tools: ["stats-log-api-gen"],
+ cmd: "$(location stats-log-api-gen) --cpp $(genDir)/statslog_express.cpp --module expresslog --namespace android,expresslog --importHeader statslog_express.h",
+ out: [
+ "statslog_express.cpp",
+ ],
+}
+
+cc_library_static {
+ name: "libstatslog_express",
+ generated_sources: ["statslog_express.cpp"],
+ generated_headers: ["statslog_express.h"],
+ export_generated_headers: ["statslog_express.h"],
+ shared_libs: [
+ "libstatssocket",
+ ],
+}
diff --git a/libstats/expresslog/Counter.cpp b/libstats/expresslog/Counter.cpp
new file mode 100644
index 0000000..bee1303
--- /dev/null
+++ b/libstats/expresslog/Counter.cpp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "include/Counter.h"
+
+#include <statslog_express.h>
+#include <string.h>
+#include <utils/hash/farmhash.h>
+
+namespace android {
+namespace expresslog {
+
+void Counter::logIncrement(const char* metricName, int64_t amount) {
+ const int64_t metricIdHash = farmhash::Fingerprint64(metricName, strlen(metricName));
+ stats_write(EXPRESS_EVENT_REPORTED, metricIdHash, amount);
+}
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/expresslog/include/Counter.h b/libstats/expresslog/include/Counter.h
new file mode 100644
index 0000000..57328f5
--- /dev/null
+++ b/libstats/expresslog/include/Counter.h
@@ -0,0 +1,30 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+#include <stdint.h>
+
+namespace android {
+namespace expresslog {
+
+/** Counter encapsulates StatsD write API calls */
+class Counter final {
+public:
+ static void logIncrement(const char* metricId, int64_t amount = 1);
+};
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/pull_rust/Android.bp b/libstats/pull_rust/Android.bp
index a3ef131..85a38f8 100644
--- a/libstats/pull_rust/Android.bp
+++ b/libstats/pull_rust/Android.bp
@@ -51,6 +51,7 @@
min_sdk_version: "apex_inherit",
apex_available: [
"//apex_available:platform",
+ "com.android.resolv",
"com.android.virt",
],
}
diff --git a/libsync/Android.bp b/libsync/Android.bp
index 99c88cf..b6b4a6e 100644
--- a/libsync/Android.bp
+++ b/libsync/Android.bp
@@ -27,6 +27,9 @@
name: "libsync",
symbol_file: "libsync.map.txt",
first_version: "26",
+ export_header_libs: [
+ "libsync_headers",
+ ],
}
cc_defaults {
diff --git a/libsystem/include/system/graphics-base-v1.2.h b/libsystem/include/system/graphics-base-v1.2.h
index 2194f5e..624912c 100644
--- a/libsystem/include/system/graphics-base-v1.2.h
+++ b/libsystem/include/system/graphics-base-v1.2.h
@@ -14,13 +14,17 @@
} android_hdr_v1_2_t;
typedef enum {
- HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* ((STANDARD_BT2020 | TRANSFER_SRGB) | RANGE_FULL) */,
+ HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* STANDARD_BT2020 | TRANSFER_SRGB | RANGE_FULL */,
HAL_DATASPACE_DYNAMIC_DEPTH = 4098 /* 0x1002 */,
HAL_DATASPACE_JPEG_APP_SEGMENTS = 4099 /* 0x1003 */,
HAL_DATASPACE_HEIF = 4100 /* 0x1004 */,
} android_dataspace_v1_2_t;
typedef enum {
+ HAL_COLOR_MODE_DISPLAY_BT2020 = 13,
+} android_color_mode_v1_2_t;
+
+typedef enum {
HAL_PIXEL_FORMAT_HSV_888 = 55 /* 0x37 */,
} android_pixel_format_v1_2_t;
diff --git a/libutils/Android.bp b/libutils/Android.bp
index f663671..162f0f4 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -21,11 +21,13 @@
vendor_ramdisk_available: true,
host_supported: true,
native_bridge_supported: true,
+ defaults: [
+ "apex-lowest-min-sdk-version",
+ ],
apex_available: [
"//apex_available:platform",
"//apex_available:anyapex",
],
- min_sdk_version: "apex_inherit",
header_libs: [
"libbase_headers",
@@ -58,16 +60,13 @@
vendor_available: true,
product_available: true,
recovery_available: true,
- vndk: {
- enabled: true,
- support_system_process: true,
- },
host_supported: true,
cflags: [
"-Wall",
"-Werror",
"-Wno-exit-time-destructors",
+ "-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
],
header_libs: [
"libbase_headers",
@@ -125,9 +124,12 @@
},
}
-cc_library {
- name: "libutils",
- defaults: ["libutils_defaults"],
+cc_defaults {
+ name: "libutils_impl_defaults",
+ defaults: [
+ "libutils_defaults",
+ "apex-lowest-min-sdk-version",
+ ],
native_bridge_supported: true,
srcs: [
@@ -170,17 +172,50 @@
"//apex_available:anyapex",
"//apex_available:platform",
],
- min_sdk_version: "apex_inherit",
afdo: true,
}
cc_library {
+ name: "libutils",
+ defaults: ["libutils_impl_defaults"],
+
+ vndk: {
+ enabled: true,
+ support_system_process: true,
+ },
+
+ header_abi_checker: {
+ // AFDO affects weak symbols.
+ diff_flags: ["-allow-adding-removing-weak-symbols"],
+ ref_dump_dirs: ["abi-dumps"],
+ },
+}
+
+cc_library {
+ name: "libutils_test_compile",
+ defaults: ["libutils_impl_defaults"],
+
+ cflags: [
+ "-DCALLSTACKS=1",
+ "-DDEBUG_POLL_AND_WAKE=1",
+ "-DDEBUG_REFS=1",
+ "-DDEBUG_TOKENIZER=1",
+ ],
+
+ visibility: [":__subpackages__"],
+}
+
+cc_library {
name: "libutilscallstack",
defaults: ["libutils_defaults"],
// TODO(b/153609531): remove when no longer needed.
native_bridge_supported: true,
min_sdk_version: "29",
+ vndk: {
+ enabled: true,
+ support_system_process: true,
+ },
srcs: [
"CallStack.cpp",
@@ -294,6 +329,7 @@
srcs: [
"BitSet_test.cpp",
+ "CallStack_test.cpp",
"Errors_test.cpp",
"FileMap_test.cpp",
"LruCache_test.cpp",
@@ -314,11 +350,14 @@
"SystemClock_test.cpp",
],
shared_libs: [
- "libz",
- "liblog",
- "libcutils",
- "libutils",
"libbase",
+ "libcutils",
+ "liblog",
+ "liblzma",
+ "libunwindstack",
+ "libutils",
+ "libutilscallstack",
+ "libz",
],
},
linux: {
@@ -329,9 +368,12 @@
},
host: {
static_libs: [
- "libutils",
- "liblog",
"libbase",
+ "liblog",
+ "liblzma",
+ "libunwindstack_no_dex",
+ "libutils",
+ "libutilscallstack",
],
},
},
diff --git a/libutils/CallStack.cpp b/libutils/CallStack.cpp
index f19ba6a..4dcb35b 100644
--- a/libutils/CallStack.cpp
+++ b/libutils/CallStack.cpp
@@ -49,7 +49,7 @@
unwindstack::AndroidUnwinderData data;
std::optional<pid_t> tid_val;
if (tid != -1) {
- *tid_val = tid;
+ tid_val = tid;
}
if (!unwinder.Unwind(tid_val, data)) {
ALOGW("%s: Failed to unwind callstack: %s", __FUNCTION__, data.GetErrorString().c_str());
diff --git a/libutils/CallStack_test.cpp b/libutils/CallStack_test.cpp
new file mode 100644
index 0000000..2cfaf61
--- /dev/null
+++ b/libutils/CallStack_test.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+
+#include <thread>
+
+#include <android-base/threads.h>
+#include <gtest/gtest.h>
+#include <utils/CallStack.h>
+
+__attribute__((__noinline__)) extern "C" void CurrentCaller(android::String8& backtrace) {
+ android::CallStack cs;
+ cs.update();
+ backtrace = cs.toString();
+}
+
+TEST(CallStackTest, current_backtrace) {
+ android::String8 backtrace;
+ CurrentCaller(backtrace);
+
+ ASSERT_NE(-1, backtrace.find("(CurrentCaller")) << "Full backtrace:\n" << backtrace;
+}
+
+__attribute__((__noinline__)) extern "C" void ThreadBusyWait(std::atomic<pid_t>* tid,
+ volatile bool* done) {
+ *tid = android::base::GetThreadId();
+ while (!*done) {
+ }
+}
+
+TEST(CallStackTest, thread_backtrace) {
+ // Use a volatile to avoid any problems unwinding since sometimes
+ // accessing a std::atomic does not include unwind data at every
+ // instruction and leads to failed unwinds.
+ volatile bool done = false;
+ std::atomic<pid_t> tid = -1;
+ std::thread thread([&tid, &done]() { ThreadBusyWait(&tid, &done); });
+
+ while (tid == -1) {
+ }
+
+ android::CallStack cs;
+ cs.update(0, tid);
+
+ done = true;
+ thread.join();
+
+ ASSERT_NE(-1, cs.toString().find("(ThreadBusyWait")) << "Full backtrace:\n" << cs.toString();
+}
diff --git a/libutils/Looper.cpp b/libutils/Looper.cpp
index 292425a..402e43c 100644
--- a/libutils/Looper.cpp
+++ b/libutils/Looper.cpp
@@ -8,10 +8,14 @@
//#define LOG_NDEBUG 0
// Debugs poll and wake interactions.
+#ifndef DEBUG_POLL_AND_WAKE
#define DEBUG_POLL_AND_WAKE 0
+#endif
// Debugs callback registration and invocation.
+#ifndef DEBUG_CALLBACKS
#define DEBUG_CALLBACKS 0
+#endif
#include <utils/Looper.h>
@@ -117,14 +121,15 @@
int result = pthread_once(& gTLSOnce, initTLSKey);
LOG_ALWAYS_FATAL_IF(result != 0, "pthread_once failed");
- return (Looper*)pthread_getspecific(gTLSKey);
+ Looper* looper = (Looper*)pthread_getspecific(gTLSKey);
+ return sp<Looper>::fromExisting(looper);
}
sp<Looper> Looper::prepare(int opts) {
bool allowNonCallbacks = opts & PREPARE_ALLOW_NON_CALLBACKS;
sp<Looper> looper = Looper::getForThread();
if (looper == nullptr) {
- looper = new Looper(allowNonCallbacks);
+ looper = sp<Looper>::make(allowNonCallbacks);
Looper::setForThread(looper);
}
if (looper->getAllowNonCallbacks() != allowNonCallbacks) {
@@ -425,7 +430,11 @@
}
int Looper::addFd(int fd, int ident, int events, Looper_callbackFunc callback, void* data) {
- return addFd(fd, ident, events, callback ? new SimpleLooperCallback(callback) : nullptr, data);
+ sp<SimpleLooperCallback> looperCallback;
+ if (callback) {
+ looperCallback = sp<SimpleLooperCallback>::make(callback);
+ }
+ return addFd(fd, ident, events, looperCallback, data);
}
int Looper::addFd(int fd, int ident, int events, const sp<LooperCallback>& callback, void* data) {
diff --git a/libutils/NativeHandle.cpp b/libutils/NativeHandle.cpp
index d437a9f..819a603 100644
--- a/libutils/NativeHandle.cpp
+++ b/libutils/NativeHandle.cpp
@@ -20,7 +20,7 @@
namespace android {
sp<NativeHandle> NativeHandle::create(native_handle_t* handle, bool ownsHandle) {
- return handle ? new NativeHandle(handle, ownsHandle) : nullptr;
+ return handle ? sp<NativeHandle>::make(handle, ownsHandle) : nullptr;
}
NativeHandle::NativeHandle(native_handle_t* handle, bool ownsHandle)
diff --git a/libutils/RefBase.cpp b/libutils/RefBase.cpp
index ed5b2a9..ab122c7 100644
--- a/libutils/RefBase.cpp
+++ b/libutils/RefBase.cpp
@@ -21,9 +21,11 @@
#include <android-base/macros.h>
+#include <fcntl.h>
#include <log/log.h>
#include <utils/RefBase.h>
+#include <utils/String8.h>
#include <utils/Mutex.h>
@@ -32,7 +34,9 @@
#endif
// Compile with refcounting debugging enabled.
+#ifndef DEBUG_REFS
#define DEBUG_REFS 0
+#endif
// The following three are ignored unless DEBUG_REFS is set.
@@ -45,7 +49,11 @@
// folder where stack traces are saved when DEBUG_REFS is enabled
// this folder needs to exist and be writable
+#ifdef __ANDROID__
#define DEBUG_REFS_CALLSTACK_PATH "/data/debug"
+#else
+#define DEBUG_REFS_CALLSTACK_PATH "."
+#endif
// log all reference counting operations
#define PRINT_REFS 0
@@ -320,11 +328,11 @@
char name[100];
snprintf(name, sizeof(name), DEBUG_REFS_CALLSTACK_PATH "/%p.stack",
this);
- int rc = open(name, O_RDWR | O_CREAT | O_APPEND, 644);
+ int rc = open(name, O_RDWR | O_CREAT | O_APPEND, 0644);
if (rc >= 0) {
(void)write(rc, text.string(), text.length());
close(rc);
- ALOGD("STACK TRACE for %p saved in %s", this, name);
+ ALOGI("STACK TRACE for %p saved in %s", this, name);
}
else ALOGE("FAILED TO PRINT STACK TRACE for %p in %s: %s", this,
name, strerror(errno));
diff --git a/libutils/String8.cpp b/libutils/String8.cpp
index 3690389..82f5cb6 100644
--- a/libutils/String8.cpp
+++ b/libutils/String8.cpp
@@ -25,6 +25,7 @@
#include <ctype.h>
+#include <limits>
#include <string>
#include "SharedBuffer.h"
diff --git a/libutils/Threads.cpp b/libutils/Threads.cpp
index 4dacdc6..e756fec 100644
--- a/libutils/Threads.cpp
+++ b/libutils/Threads.cpp
@@ -673,7 +673,7 @@
mThread = thread_id_t(-1);
// hold a strong reference on ourself
- mHoldSelf = this;
+ mHoldSelf = sp<Thread>::fromExisting(this);
mRunning = true;
diff --git a/libutils/Tokenizer.cpp b/libutils/Tokenizer.cpp
index 98dd2fd..c3ec165 100644
--- a/libutils/Tokenizer.cpp
+++ b/libutils/Tokenizer.cpp
@@ -21,9 +21,10 @@
#include <sys/stat.h>
#include <utils/Log.h>
+#ifndef DEBUG_TOKENIZER
// Enables debug output for the tokenizer.
#define DEBUG_TOKENIZER 0
-
+#endif
namespace android {
diff --git a/libutils/Unicode_test.cpp b/libutils/Unicode_test.cpp
index 8b994d9..7969525 100644
--- a/libutils/Unicode_test.cpp
+++ b/libutils/Unicode_test.cpp
@@ -35,86 +35,208 @@
}
char16_t const * const kSearchString = u"I am a leaf on the wind.";
+
+ constexpr static size_t BUFSIZE = 64; // large enough for all tests
+
+ void TestUTF8toUTF16(std::initializer_list<uint8_t> input,
+ std::initializer_list<char16_t> expect,
+ const char* err_msg_length = "",
+ ssize_t expected_length = 0) {
+ uint8_t empty_str[] = {};
+ char16_t output[BUFSIZE];
+
+ const size_t inlen = input.size(), outlen = expect.size();
+ ASSERT_LT(outlen, BUFSIZE);
+
+ const uint8_t *input_data = inlen ? std::data(input) : empty_str;
+ ssize_t measured = utf8_to_utf16_length(input_data, inlen);
+ EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+ utf8_to_utf16(input_data, inlen, output, outlen + 1);
+ for (size_t i = 0; i < outlen; i++) {
+ EXPECT_EQ(std::data(expect)[i], output[i]);
+ }
+ EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+ }
+
+ void TestUTF16toUTF8(std::initializer_list<char16_t> input,
+ std::initializer_list<char> expect,
+ const char* err_msg_length = "",
+ ssize_t expected_length = 0) {
+ char16_t empty_str[] = {};
+ char output[BUFSIZE];
+
+ const size_t inlen = input.size(), outlen = expect.size();
+ ASSERT_LT(outlen, BUFSIZE);
+
+ const char16_t *input_data = inlen ? std::data(input) : empty_str;
+ ssize_t measured = utf16_to_utf8_length(input_data, inlen);
+ EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+ utf16_to_utf8(input_data, inlen, output, outlen + 1);
+ for (size_t i = 0; i < outlen; i++) {
+ EXPECT_EQ(std::data(expect)[i], output[i]);
+ }
+ EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+ }
};
TEST_F(UnicodeTest, UTF8toUTF16ZeroLength) {
- ssize_t measured;
-
- const uint8_t str[] = { };
-
- measured = utf8_to_utf16_length(str, 0);
- EXPECT_EQ(0, measured)
- << "Zero length input should return zero length output.";
+ TestUTF8toUTF16({}, {},
+ "Zero length input should return zero length output.");
}
-TEST_F(UnicodeTest, UTF8toUTF16ASCIILength) {
- ssize_t measured;
-
- // U+0030 or ASCII '0'
- const uint8_t str[] = { 0x30 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(1, measured)
- << "ASCII glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16ASCII) {
+ TestUTF8toUTF16(
+ { 0x30 }, // U+0030 or ASCII '0'
+ { 0x0030 },
+ "ASCII codepoints should have a length of 1 char16_t");
}
-TEST_F(UnicodeTest, UTF8toUTF16Plane1Length) {
- ssize_t measured;
-
- // U+2323 SMILE
- const uint8_t str[] = { 0xE2, 0x8C, 0xA3 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(1, measured)
- << "Plane 1 glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Plane1) {
+ TestUTF8toUTF16(
+ { 0xE2, 0x8C, 0xA3 }, // U+2323 SMILE
+ { 0x2323 },
+ "Plane 1 codepoints should have a length of 1 char16_t");
}
-TEST_F(UnicodeTest, UTF8toUTF16SurrogateLength) {
- ssize_t measured;
-
- // U+10000
- const uint8_t str[] = { 0xF0, 0x90, 0x80, 0x80 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(2, measured)
- << "Surrogate pairs should have a length of 2 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Surrogate) {
+ TestUTF8toUTF16(
+ { 0xF0, 0x90, 0x80, 0x80 }, // U+10000
+ { 0xD800, 0xDC00 },
+ "Surrogate pairs should have a length of 2 char16_t");
}
TEST_F(UnicodeTest, UTF8toUTF16TruncatedUTF8) {
- ssize_t measured;
-
- // Truncated U+2323 SMILE
- // U+2323 SMILE
- const uint8_t str[] = { 0xE2, 0x8C };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(-1, measured)
- << "Truncated UTF-8 should return -1 to indicate invalid";
+ TestUTF8toUTF16(
+ { 0xE2, 0x8C }, // Truncated U+2323 SMILE
+ { }, // Conversion should still work but produce nothing
+ "Truncated UTF-8 should return -1 to indicate invalid",
+ -1);
}
TEST_F(UnicodeTest, UTF8toUTF16Normal) {
- const uint8_t str[] = {
- 0x30, // U+0030, 1 UTF-16 character
- 0xC4, 0x80, // U+0100, 1 UTF-16 character
- 0xE2, 0x8C, 0xA3, // U+2323, 1 UTF-16 character
+ TestUTF8toUTF16({
+ 0x30, // U+0030, 1 UTF-16 character
+ 0xC4, 0x80, // U+0100, 1 UTF-16 character
+ 0xE2, 0x8C, 0xA3, // U+2323, 1 UTF-16 character
0xF0, 0x90, 0x80, 0x80, // U+10000, 2 UTF-16 character
- };
+ }, {
+ 0x0030,
+ 0x0100,
+ 0x2323,
+ 0xD800, 0xDC00
+ });
+}
- char16_t output[1 + 1 + 1 + 2 + 1]; // Room for null
+TEST_F(UnicodeTest, UTF8toUTF16Invalid) {
+ // TODO: The current behavior of utf8_to_utf16 is to treat invalid
+ // leading byte (>= 0xf8) as a 4-byte UTF8 sequence, and to treat
+ // invalid trailing byte(s) (i.e. bytes not having MSB set) as if
+ // they are valid and do the normal conversion. However, a better
+ // handling would be to treat invalid sequences as errors, such
+ // cases need to be reported and invalid characters (e.g. U+FFFD)
+ // could be produced at the place of error. Until a fix is ready
+ // and compatibility is not an issue, we will keep testing the
+ // current behavior
+ TestUTF8toUTF16({
+ 0xf8, // invalid leading byte
+ 0xc4, 0x00, // U+0100 with invalid trailing byte
+ 0xe2, 0x0c, 0xa3, // U+2323 with invalid trailing bytes
+ 0xf0, 0x10, 0x00, 0x00, // U+10000 with invalid trailing bytes
+ }, {
+ 0x4022, // invalid leading byte (>=0xfc) is treated
+ // as valid for 4-byte UTF8 sequence
+ 0x000C,
+ 0x00A3, // invalid leadnig byte (b'10xxxxxx) is
+ // treated as valid single UTF-8 byte
+ 0xD800, // invalid trailing bytes are treated
+ 0xDC00, // as valid bytes and follow normal
+ });
+}
- utf8_to_utf16(str, sizeof(str), output, sizeof(output) / sizeof(output[0]));
+TEST_F(UnicodeTest, UTF16toUTF8ZeroLength) {
+ // TODO: The current behavior of utf16_to_utf8_length() is that
+ // it returns -1 if the input is a zero length UTF16 string.
+ // This is inconsistent with utf8_to_utf16_length() where a zero
+ // length string returns 0. However, to fix the current behavior,
+ // we could have compatibility issue. Until then, we will keep
+ // testing the current behavior
+ TestUTF16toUTF8({}, {},
+ "Zero length UTF16 input should return length of -1.", -1);
+}
- EXPECT_EQ(0x0030, output[0])
- << "should be U+0030";
- EXPECT_EQ(0x0100, output[1])
- << "should be U+0100";
- EXPECT_EQ(0x2323, output[2])
- << "should be U+2323";
- EXPECT_EQ(0xD800, output[3])
- << "should be first half of surrogate U+10000";
- EXPECT_EQ(0xDC00, output[4])
- << "should be second half of surrogate U+10000";
- EXPECT_EQ(0, output[5]) << "should be null terminated";
+TEST_F(UnicodeTest, UTF16toUTF8ASCII) {
+ TestUTF16toUTF8(
+ { 0x0030 }, // U+0030 or ASCII '0'
+ { '\x30' },
+ "ASCII codepoints in UTF16 should give a length of 1 in UTF8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Plane1) {
+ TestUTF16toUTF8(
+ { 0x2323 }, // U+2323 SMILE
+ { '\xE2', '\x8C', '\xA3' },
+ "Plane 1 codepoints should have a length of 3 char in UTF-8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Surrogate) {
+ TestUTF16toUTF8(
+ { 0xD800, 0xDC00 }, // U+10000
+ { '\xF0', '\x90', '\x80', '\x80' },
+ "Surrogate pairs should have a length of 4 chars");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8UnpairedSurrogate) {
+ TestUTF16toUTF8(
+ { 0xD800 }, // U+10000 with high surrogate pair only
+ { }, // Unpaired surrogate should be ignored
+ "A single unpaired high surrogate should have a length of 0 chars");
+
+ TestUTF16toUTF8(
+ { 0xDC00 }, // U+10000 with low surrogate pair only
+ { }, // Unpaired surrogate should be ignored
+ "A single unpaired low surrogate should have a length of 0 chars");
+
+ TestUTF16toUTF8(
+ // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+ { 0x0030, 0x0100, 0xDC00, 0x2323 },
+ { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+ "Unpaired high surrogate should be skipped in the middle");
+
+ TestUTF16toUTF8(
+ // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+ { 0x0030, 0x0100, 0xDC00, 0x2323 },
+ { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+ "Unpaired low surrogate should be skipped in the middle");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8CorrectInvalidSurrogate) {
+ // http://b/29250543
+ // d841d8 is an invalid start for a surrogate pair. Make sure this is handled by ignoring the
+ // first character in the pair and handling the rest correctly.
+ TestUTF16toUTF8(
+ { 0xD841, 0xD841, 0xDC41 }, // U+20441
+ { '\xF0', '\xA0', '\x91', '\x81' },
+ "Invalid start for a surrogate pair should be ignored");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Normal) {
+ TestUTF16toUTF8({
+ 0x0024, // U+0024 ($) --> 0x24, 1 UTF-8 byte
+ 0x00A3, // U+00A3 (£) --> 0xC2 0xA3, 2 UTF-8 bytes
+ 0x0939, // U+0939 (ह) --> 0xE0 0xA4 0xB9, 3 UTF-8 bytes
+ 0x20AC, // U+20AC (€) --> 0xE2 0x82 0xAC, 3 UTF-8 bytes
+ 0xD55C, // U+D55C (한)--> 0xED 0x95 0x9C, 3 UTF-8 bytes
+ 0xD801, 0xDC37, // U+10437 (𐐷) --> 0xF0 0x90 0x90 0xB7, 4 UTF-8 bytes
+ }, {
+ '\x24',
+ '\xC2', '\xA3',
+ '\xE0', '\xA4', '\xB9',
+ '\xE2', '\x82', '\xAC',
+ '\xED', '\x95', '\x9C',
+ '\xF0', '\x90', '\x90', '\xB7',
+ });
}
TEST_F(UnicodeTest, strstr16EmptyTarget) {
diff --git a/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump b/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump
new file mode 100644
index 0000000..c89af9e
--- /dev/null
+++ b/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump
@@ -0,0 +1,15553 @@
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index 0000000..f88da15
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+ }
+ ],
+ "linker_set_key" : "_ZTIN7android7RefBaseE",
+ "name" : "android::RefBase",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android7RefBaseE",
+ "self_type" : "_ZTIN7android7RefBaseE",
+ "size" : 8,
+ "source_file" : "system/core/libutils/include/utils/RefBase.h",
+ "vtable_components" :
+ [
+ {
+ "kind" : "offset_to_top"
+ },
+ {
+ "kind" : "rtti",
+ "mangled_component_name" : "_ZTIN7android7RefBaseE"
+ },
+ {
+ "kind" : "complete_dtor_pointer",
+ "mangled_component_name" : "_ZN7android7RefBaseD1Ev"
+ },
+ {
+ "kind" : "deleting_dtor_pointer",
+ "mangled_component_name" : "_ZN7android7RefBaseD0Ev"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7RefBase10onFirstRefEv"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7RefBase15onLastStrongRefEPKv"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7RefBase20onIncStrongAttemptedEjPKv"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7RefBase13onLastWeakRefEPKv"
+ }
+ ]
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
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+ "field_name" : "mString",
+ "referenced_type" : "_ZTIPKc"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android7String8E",
+ "name" : "android::String8",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android7String8E",
+ "self_type" : "_ZTIN7android7String8E",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/String8.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "field_name" : "size",
+ "referenced_type" : "_ZTIKj"
+ },
+ {
+ "field_name" : "data",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIA1_Ds"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android8String1610StaticDataILj1EEE",
+ "name" : "android::String16::StaticData<1>",
+ "referenced_type" : "_ZTIN7android8String1610StaticDataILj1EEE",
+ "self_type" : "_ZTIN7android8String1610StaticDataILj1EEE",
+ "size" : 8,
+ "source_file" : "system/core/libutils/include/utils/String16.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mString",
+ "referenced_type" : "_ZTIPKDs"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android8String16E",
+ "name" : "android::String16",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android8String16E",
+ "self_type" : "_ZTIN7android8String16E",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/String16.h"
+ },
+ {
+ "alignment" : 1,
+ "linker_set_key" : "_ZTIN7android9CallStack12StackDeleterE",
+ "name" : "android::CallStack::StackDeleter",
+ "referenced_type" : "_ZTIN7android9CallStack12StackDeleterE",
+ "self_type" : "_ZTIN7android9CallStack12StackDeleterE",
+ "size" : 1,
+ "source_file" : "system/core/libutils/include/utils/CallStack.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mFrameLines",
+ "referenced_type" : "_ZTIN7android6VectorINS_7String8EEE"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9CallStackE",
+ "name" : "android::CallStack",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9CallStackE",
+ "self_type" : "_ZTIN7android9CallStackE",
+ "size" : 20,
+ "source_file" : "system/core/libutils/include/utils/CallStack.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mCond",
+ "referenced_type" : "_ZTI14pthread_cond_t"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9ConditionE",
+ "name" : "android::Condition",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9ConditionE",
+ "self_type" : "_ZTIN7android9ConditionE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/Condition.h"
+ },
+ {
+ "alignment" : 4,
+ "base_specifiers" :
+ [
+ {
+ "referenced_type" : "_ZTIN7android7PrinterE"
+ }
+ ],
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mFd",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIi"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mIndent",
+ "field_offset" : 64,
+ "referenced_type" : "_ZTIj"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mPrefix",
+ "field_offset" : 96,
+ "referenced_type" : "_ZTIPKc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mFormatString",
+ "field_offset" : 128,
+ "referenced_type" : "_ZTIA20_c"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9FdPrinterE",
+ "name" : "android::FdPrinter",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9FdPrinterE",
+ "self_type" : "_ZTIN7android9FdPrinterE",
+ "size" : 36,
+ "source_file" : "system/core/libutils/include/utils/Printer.h",
+ "vtable_components" :
+ [
+ {
+ "kind" : "offset_to_top"
+ },
+ {
+ "kind" : "rtti",
+ "mangled_component_name" : "_ZTIN7android9FdPrinterE"
+ },
+ {
+ "mangled_component_name" : "_ZN7android9FdPrinter9printLineEPKc"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7Printer15printFormatLineEPKcz"
+ },
+ {
+ "kind" : "complete_dtor_pointer",
+ "mangled_component_name" : "_ZN7android9FdPrinterD1Ev"
+ },
+ {
+ "kind" : "deleting_dtor_pointer",
+ "mangled_component_name" : "_ZN7android9FdPrinterD0Ev"
+ }
+ ]
+ },
+ {
+ "alignment" : 8,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mName",
+ "referenced_type" : "_ZTIPKc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mClock",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIi"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mStartTime",
+ "field_offset" : 64,
+ "referenced_type" : "_ZTIx"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9StopWatchE",
+ "name" : "android::StopWatch",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9StopWatchE",
+ "self_type" : "_ZTIN7android9StopWatchE",
+ "size" : 16,
+ "source_file" : "system/core/libutils/include/utils/StopWatch.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mFilename",
+ "referenced_type" : "_ZTIN7android7String8E"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mFileMap",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIPN7android7FileMapE"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mBuffer",
+ "field_offset" : 64,
+ "referenced_type" : "_ZTIPc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mOwnBuffer",
+ "field_offset" : 96,
+ "referenced_type" : "_ZTIb"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mLength",
+ "field_offset" : 128,
+ "referenced_type" : "_ZTIj"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mCurrent",
+ "field_offset" : 160,
+ "referenced_type" : "_ZTIPKc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mLineNumber",
+ "field_offset" : 192,
+ "referenced_type" : "_ZTIi"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9TokenizerE",
+ "name" : "android::Tokenizer",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9TokenizerE",
+ "self_type" : "_ZTIN7android9TokenizerE",
+ "size" : 28,
+ "source_file" : "system/core/libutils/include/utils/Tokenizer.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "field_name" : "buf",
+ "referenced_type" : "_ZTIA5121_h"
+ },
+ {
+ "field_name" : "entry",
+ "referenced_type" : "_ZTI12logger_entry"
+ }
+ ],
+ "is_anonymous" : true,
+ "linker_set_key" : "_ZTIN7log_msgUt_E",
+ "name" : "log_msg::(anonymous)",
+ "record_kind" : "union",
+ "referenced_type" : "_ZTIN7log_msgUt_E",
+ "self_type" : "_ZTIN7log_msgUt_E",
+ "size" : 5124,
+ "source_file" : "system/logging/liblog/include_vndk/log/log_read.h"
+ }
+ ],
+ "rvalue_reference_types" :
+ [
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_12NativeHandleEEE",
+ "name" : "android::sp<android::NativeHandle> &&",
+ "referenced_type" : "_ZTIN7android2spINS_12NativeHandleEEE",
+ "self_type" : "_ZTION7android2spINS_12NativeHandleEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_14MessageHandlerEEE",
+ "name" : "android::sp<android::MessageHandler> &&",
+ "referenced_type" : "_ZTIN7android2spINS_14MessageHandlerEEE",
+ "self_type" : "_ZTION7android2spINS_14MessageHandlerEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_20SimpleLooperCallbackEEE",
+ "name" : "android::sp<android::SimpleLooperCallback> &&",
+ "referenced_type" : "_ZTIN7android2spINS_20SimpleLooperCallbackEEE",
+ "self_type" : "_ZTION7android2spINS_20SimpleLooperCallbackEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_6LooperEEE",
+ "name" : "android::sp<android::Looper> &&",
+ "referenced_type" : "_ZTIN7android2spINS_6LooperEEE",
+ "self_type" : "_ZTION7android2spINS_6LooperEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_6ThreadEEE",
+ "name" : "android::sp<android::Thread> &&",
+ "referenced_type" : "_ZTIN7android2spINS_6ThreadEEE",
+ "self_type" : "_ZTION7android2spINS_6ThreadEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "name" : "android::base::unique_fd_impl<android::base::DefaultCloser> &&",
+ "referenced_type" : "_ZTIN7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "self_type" : "_ZTION7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "size" : 4,
+ "source_file" : "system/libbase/include/android-base/unique_fd.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android7FileMapE",
+ "name" : "android::FileMap &&",
+ "referenced_type" : "_ZTIN7android7FileMapE",
+ "self_type" : "_ZTION7android7FileMapE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/FileMap.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android8String16E",
+ "name" : "android::String16 &&",
+ "referenced_type" : "_ZTIN7android8String16E",
+ "self_type" : "_ZTION7android8String16E",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/String16.h"
+ }
+ ]
+}
diff --git a/libutils/include/utils/LruCache.h b/libutils/include/utils/LruCache.h
index 36775d0..b4243a3 100644
--- a/libutils/include/utils/LruCache.h
+++ b/libutils/include/utils/LruCache.h
@@ -84,13 +84,13 @@
const TKey& getKey() const final { return key; }
};
- struct HashForEntry : public std::unary_function<KeyedEntry*, hash_t> {
+ struct HashForEntry {
size_t operator() (const KeyedEntry* entry) const {
return hash_type(entry->getKey());
};
};
- struct EqualityForHashedEntries : public std::unary_function<KeyedEntry*, hash_t> {
+ struct EqualityForHashedEntries {
bool operator() (const KeyedEntry* lhs, const KeyedEntry* rhs) const {
return lhs->getKey() == rhs->getKey();
};
diff --git a/libutils/include/utils/NativeHandle.h b/libutils/include/utils/NativeHandle.h
index 73fe804..f26a1a4 100644
--- a/libutils/include/utils/NativeHandle.h
+++ b/libutils/include/utils/NativeHandle.h
@@ -39,6 +39,8 @@
private:
// for access to the destructor
friend class LightRefBase<NativeHandle>;
+ // for access to the constructor
+ friend class sp<NativeHandle>;
NativeHandle(native_handle_t* handle, bool ownsHandle);
~NativeHandle();
diff --git a/libutils/include/utils/RefBase.h b/libutils/include/utils/RefBase.h
index f3acd6f..5e3fa7d 100644
--- a/libutils/include/utils/RefBase.h
+++ b/libutils/include/utils/RefBase.h
@@ -210,6 +210,7 @@
#include <atomic>
#include <functional>
+#include <memory>
#include <type_traits> // for common_type.
#include <stdint.h>
diff --git a/mkbootfs/mkbootfs.c b/mkbootfs/mkbootfs.c
index 05d1940..d3922bf 100644
--- a/mkbootfs/mkbootfs.c
+++ b/mkbootfs/mkbootfs.c
@@ -1,40 +1,32 @@
+#include <ctype.h>
+#include <dirent.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
-#include <ctype.h>
-
-#include <sys/types.h>
#include <sys/stat.h>
-#include <dirent.h>
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+#include <unistd.h>
-#include <stdarg.h>
-#include <fcntl.h>
+#include <linux/kdev_t.h>
#include <private/android_filesystem_config.h>
#include <private/fs_config.h>
/* NOTES
**
-** - see buffer-format.txt from the linux kernel docs for
-** an explanation of this file format
+** - see https://www.kernel.org/doc/Documentation/early-userspace/buffer-format.txt
+** for an explanation of this file format
** - dotfiles are ignored
** - directories named 'root' are ignored
-** - device notes, pipes, etc are not supported (error)
*/
-static void die(const char* why, ...) {
- va_list ap;
-
- va_start(ap, why);
- fprintf(stderr,"error: ");
- vfprintf(stderr, why, ap);
- fprintf(stderr,"\n");
- va_end(ap);
- exit(1);
-}
-
struct fs_config_entry {
char* name;
int uid, gid, mode;
@@ -43,17 +35,8 @@
static struct fs_config_entry* canned_config = NULL;
static const char* target_out_path = NULL;
-/* Each line in the canned file should be a path plus three ints (uid,
- * gid, mode). */
-#ifdef PATH_MAX
-#define CANNED_LINE_LENGTH (PATH_MAX+100)
-#else
-#define CANNED_LINE_LENGTH (1024)
-#endif
-
#define TRAILER "TRAILER!!!"
-static int verbose = 0;
static int total_size = 0;
static void fix_stat(const char *path, struct stat *s)
@@ -86,6 +69,10 @@
fs_config(path, is_dir, target_out_path, &s->st_uid, &s->st_gid, &st_mode, &capabilities);
s->st_mode = (typeof(s->st_mode)) st_mode;
}
+
+ if (S_ISREG(s->st_mode) || S_ISDIR(s->st_mode) || S_ISLNK(s->st_mode)) {
+ s->st_rdev = 0;
+ }
}
static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)
@@ -115,8 +102,8 @@
datasize,
0, // volmajor
0, // volminor
- 0, // devmajor
- 0, // devminor,
+ major(s->st_rdev),
+ minor(s->st_rdev),
olen + 1,
0,
out,
@@ -125,7 +112,7 @@
total_size += 6 + 8*13 + olen + 1;
- if(strlen(out) != (unsigned int)olen) die("ACK!");
+ if(strlen(out) != (unsigned int)olen) errx(1, "ACK!");
while(total_size & 3) {
total_size++;
@@ -159,23 +146,16 @@
static void _archive_dir(char *in, char *out, int ilen, int olen)
{
int i, t;
- DIR *d;
struct dirent *de;
- if(verbose) {
- fprintf(stderr,"_archive_dir('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- d = opendir(in);
- if(d == 0) die("cannot open directory '%s'", in);
+ DIR* d = opendir(in);
+ if (d == NULL) err(1, "cannot open directory '%s'", in);
int size = 32;
int entries = 0;
char** names = malloc(size * sizeof(char*));
if (names == NULL) {
- fprintf(stderr, "failed to allocate dir names array (size %d)\n", size);
- exit(1);
+ errx(1, "failed to allocate dir names array (size %d)", size);
}
while((de = readdir(d)) != 0){
@@ -189,16 +169,12 @@
size *= 2;
names = realloc(names, size * sizeof(char*));
if (names == NULL) {
- fprintf(stderr, "failed to reallocate dir names array (size %d)\n",
- size);
- exit(1);
+ errx(1, "failed to reallocate dir names array (size %d)", size);
}
}
names[entries] = strdup(de->d_name);
if (names[entries] == NULL) {
- fprintf(stderr, "failed to strdup name \"%s\"\n",
- de->d_name);
- exit(1);
+ errx(1, "failed to strdup name \"%s\"", de->d_name);
}
++entries;
}
@@ -232,26 +208,17 @@
static void _archive(char *in, char *out, int ilen, int olen)
{
struct stat s;
-
- if(verbose) {
- fprintf(stderr,"_archive('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- if(lstat(in, &s)) die("could not stat '%s'\n", in);
+ if(lstat(in, &s)) err(1, "could not stat '%s'", in);
if(S_ISREG(s.st_mode)){
- char *tmp;
- int fd;
+ int fd = open(in, O_RDONLY);
+ if(fd < 0) err(1, "cannot open '%s' for read", in);
- fd = open(in, O_RDONLY);
- if(fd < 0) die("cannot open '%s' for read", in);
-
- tmp = (char*) malloc(s.st_size);
- if(tmp == 0) die("cannot allocate %d bytes", s.st_size);
+ char* tmp = (char*) malloc(s.st_size);
+ if(tmp == 0) errx(1, "cannot allocate %zd bytes", s.st_size);
if(read(fd, tmp, s.st_size) != s.st_size) {
- die("cannot read %d bytes", s.st_size);
+ err(1, "cannot read %zd bytes", s.st_size);
}
_eject(&s, out, olen, tmp, s.st_size);
@@ -265,10 +232,13 @@
char buf[1024];
int size;
size = readlink(in, buf, 1024);
- if(size < 0) die("cannot read symlink '%s'", in);
+ if(size < 0) err(1, "cannot read symlink '%s'", in);
_eject(&s, out, olen, buf, size);
+ } else if(S_ISBLK(s.st_mode) || S_ISCHR(s.st_mode) ||
+ S_ISFIFO(s.st_mode) || S_ISSOCK(s.st_mode)) {
+ _eject(&s, out, olen, NULL, 0);
} else {
- die("Unknown '%s' (mode %d)?\n", in, s.st_mode);
+ errx(1, "Unknown '%s' (mode %d)?", in, s.st_mode);
}
}
@@ -290,17 +260,18 @@
canned_config =
(struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry));
- char line[CANNED_LINE_LENGTH];
- FILE* f = fopen(filename, "r");
- if (f == NULL) die("failed to open canned file '%s'", filename);
+ FILE* fp = fopen(filename, "r");
+ if (fp == NULL) err(1, "failed to open canned file '%s'", filename);
- while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) {
+ char* line = NULL;
+ size_t allocated_len;
+ while (getline(&line, &allocated_len, fp) != -1) {
if (!line[0]) break;
if (used >= allocated) {
allocated *= 2;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
+ if (canned_config == NULL) errx(1, "failed to reallocate memory");
}
struct fs_config_entry* cc = canned_config + used;
@@ -320,41 +291,166 @@
++allocated;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
+ if (canned_config == NULL) errx(1, "failed to reallocate memory");
}
canned_config[used].name = NULL;
- fclose(f);
+ free(line);
+ fclose(fp);
}
+static void devnodes_desc_error(const char* filename, unsigned long line_num,
+ const char* msg)
+{
+ errx(1, "failed to read nodes desc file '%s' line %lu: %s", filename, line_num, msg);
+}
+
+static int append_devnodes_desc_dir(char* path, char* args)
+{
+ struct stat s;
+
+ if (sscanf(args, "%o %d %d", &s.st_mode, &s.st_uid, &s.st_gid) != 3) return -1;
+
+ s.st_mode |= S_IFDIR;
+
+ _eject(&s, path, strlen(path), NULL, 0);
+
+ return 0;
+}
+
+static int append_devnodes_desc_nod(char* path, char* args)
+{
+ int minor, major;
+ struct stat s;
+ char dev;
+
+ if (sscanf(args, "%o %d %d %c %d %d", &s.st_mode, &s.st_uid, &s.st_gid,
+ &dev, &major, &minor) != 6) return -1;
+
+ s.st_rdev = MKDEV(major, minor);
+ switch (dev) {
+ case 'b':
+ s.st_mode |= S_IFBLK;
+ break;
+ case 'c':
+ s.st_mode |= S_IFCHR;
+ break;
+ default:
+ return -1;
+ }
+
+ _eject(&s, path, strlen(path), NULL, 0);
+
+ return 0;
+}
+
+static void append_devnodes_desc(const char* filename)
+{
+ FILE* fp = fopen(filename, "re");
+ if (!fp) err(1, "failed to open nodes description file '%s'", filename);
+
+ unsigned long line_num = 0;
+
+ char* line = NULL;
+ size_t allocated_len;
+ while (getline(&line, &allocated_len, fp) != -1) {
+ char *type, *path, *args;
+
+ line_num++;
+
+ if (*line == '#') continue;
+
+ if (!(type = strtok(line, " \t"))) {
+ devnodes_desc_error(filename, line_num, "a type is missing");
+ }
+
+ if (*type == '\n') continue;
+
+ if (!(path = strtok(NULL, " \t"))) {
+ devnodes_desc_error(filename, line_num, "a path is missing");
+ }
+
+ if (!(args = strtok(NULL, "\n"))) {
+ devnodes_desc_error(filename, line_num, "args are missing");
+ }
+
+ if (!strcmp(type, "dir")) {
+ if (append_devnodes_desc_dir(path, args)) {
+ devnodes_desc_error(filename, line_num, "bad arguments for dir");
+ }
+ } else if (!strcmp(type, "nod")) {
+ if (append_devnodes_desc_nod(path, args)) {
+ devnodes_desc_error(filename, line_num, "bad arguments for nod");
+ }
+ } else {
+ devnodes_desc_error(filename, line_num, "type unknown");
+ }
+ }
+
+ free(line);
+ fclose(fp);
+}
+
+static const struct option long_options[] = {
+ { "dirname", required_argument, NULL, 'd' },
+ { "file", required_argument, NULL, 'f' },
+ { "help", no_argument, NULL, 'h' },
+ { "nodes", required_argument, NULL, 'n' },
+ { NULL, 0, NULL, 0 },
+};
+
+static void usage(void)
+{
+ fprintf(stderr,
+ "Usage: mkbootfs [-n FILE] [-d DIR|-F FILE] DIR...\n"
+ "\n"
+ "\t-d, --dirname=DIR: fs-config directory\n"
+ "\t-f, --file=FILE: Canned configuration file\n"
+ "\t-h, --help: Print this help\n"
+ "\t-n, --nodes=FILE: Dev nodes description file\n"
+ "\n"
+ "Dev nodes description:\n"
+ "\t[dir|nod] [perms] [uid] [gid] [c|b] [minor] [major]\n"
+ "\tExample:\n"
+ "\t\t# My device nodes\n"
+ "\t\tdir dev 0755 0 0\n"
+ "\t\tnod dev/null 0600 0 0 c 1 5\n"
+ );
+}
int main(int argc, char *argv[])
{
- if (argc == 1) {
- fprintf(stderr,
- "usage: %s [-d TARGET_OUTPUT_PATH] [-f CANNED_CONFIGURATION_PATH] DIRECTORIES...\n",
- argv[0]);
- exit(1);
+ int opt, unused;
+
+ while ((opt = getopt_long(argc, argv, "hd:f:n:", long_options, &unused)) != -1) {
+ switch (opt) {
+ case 'd':
+ target_out_path = argv[optind - 1];
+ break;
+ case 'f':
+ read_canned_config(argv[optind - 1]);
+ break;
+ case 'h':
+ usage();
+ return 0;
+ case 'n':
+ append_devnodes_desc(argv[optind - 1]);
+ break;
+ default:
+ usage();
+ errx(1, "Unknown option %s", argv[optind - 1]);
+ }
}
- argc--;
- argv++;
+ int num_dirs = argc - optind;
+ argv += optind;
- if (argc > 1 && strcmp(argv[0], "-d") == 0) {
- target_out_path = argv[1];
- argc -= 2;
- argv += 2;
+ if (num_dirs <= 0) {
+ usage();
+ errx(1, "no directories to process?!");
}
- if (argc > 1 && strcmp(argv[0], "-f") == 0) {
- read_canned_config(argv[1]);
- argc -= 2;
- argv += 2;
- }
-
- if(argc == 0) die("no directories to process?!");
-
- while(argc-- > 0){
+ while(num_dirs-- > 0){
char *x = strchr(*argv, '=');
if(x != 0) {
*x++ = 0;
diff --git a/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp b/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
index 77cbdd4..a484441 100644
--- a/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
+++ b/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
@@ -399,7 +399,6 @@
{"dalvik.vm.lockprof.threshold", "u:object_r:dalvik_prop:s0"},
{"dalvik.vm.stack-trace-file", "u:object_r:dalvik_prop:s0"},
{"dalvik.vm.usejit", "u:object_r:dalvik_prop:s0"},
- {"dalvik.vm.usejitprofiles", "u:object_r:dalvik_prop:s0"},
{"debug.atrace.tags.enableflags", "u:object_r:debug_prop:s0"},
{"debug.force_rtl", "u:object_r:debug_prop:s0"},
{"dev.bootcomplete", "u:object_r:system_prop:s0"},
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index fe23b62..3dd269a 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -213,4 +213,15 @@
$(hide) $(foreach lib,$(PRIVATE_SANITIZER_RUNTIME_LIBRARIES), \
echo $(lib) >> $@;)
+#######################################
+# ramdisk_node_list
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := ramdisk_node_list
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)
+
+include $(BUILD_PREBUILT)
+
include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/rootdir/etc/linker.config.json b/rootdir/etc/linker.config.json
index 780ace5..47f77b1 100644
--- a/rootdir/etc/linker.config.json
+++ b/rootdir/etc/linker.config.json
@@ -22,8 +22,6 @@
"libnetd_resolv.so",
// netd
"libnetd_updatable.so",
- // nn
- "libneuralnetworks.so",
// statsd
"libstatspull.so",
"libstatssocket.so",
@@ -31,5 +29,12 @@
"libadb_pairing_auth.so",
"libadb_pairing_connection.so",
"libadb_pairing_server.so"
+
+ // LLNDK libraries in APEXes will be added automatically from the build,
+ // using build variable LLNDK_MOVED_TO_APEX_LIBRARIES.
+ ],
+ "provideLibs": [
+ "libaptX_encoder.so",
+ "libaptXHD_encoder.so"
]
}
diff --git a/rootdir/etc/public.libraries.wear.txt b/rootdir/etc/public.libraries.wear.txt
index 82196e4..ea1e234 100644
--- a/rootdir/etc/public.libraries.wear.txt
+++ b/rootdir/etc/public.libraries.wear.txt
@@ -10,6 +10,7 @@
libGLESv1_CM.so
libGLESv2.so
libGLESv3.so
+libicu.so
libicui18n.so
libicuuc.so
libjnigraphics.so
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 660f18c..86c6eaa 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -47,6 +47,9 @@
# Allow up to 32K FDs per process
setrlimit nofile 32768 32768
+ # set RLIMIT_MEMLOCK to 64KB
+ setrlimit memlock 65536 65536
+
# Set up linker config subdirectories based on mount namespaces
mkdir /linkerconfig/bootstrap 0755
mkdir /linkerconfig/default 0755
@@ -55,10 +58,11 @@
# Read more in b/136247322
write /sys/module/dm_verity/parameters/prefetch_cluster 0
- # Generate ld.config.txt for early executed processes
- exec -- /system/bin/bootstrap/linkerconfig --target /linkerconfig/bootstrap
+ # Generate empty ld.config.txt for early executed processes which rely on
+ # /system/lib libraries.
+ write /linkerconfig/bootstrap/ld.config.txt \#
+ write /linkerconfig/default/ld.config.txt \#
chmod 644 /linkerconfig/bootstrap/ld.config.txt
- copy /linkerconfig/bootstrap/ld.config.txt /linkerconfig/default/ld.config.txt
chmod 644 /linkerconfig/default/ld.config.txt
# Mount bootstrap linker configuration as current
@@ -489,18 +493,26 @@
service boringssl_self_test32 /system/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test32 doesn't require any capabilities
+ capabilities
service boringssl_self_test64 /system/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test64 doesn't require any capabilities
+ capabilities
service boringssl_self_test_apex32 /apex/com.android.conscrypt/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test_apex32 doesn't require any capabilities
+ capabilities
service boringssl_self_test_apex64 /apex/com.android.conscrypt/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test_apex64 doesn't require any capabilities
+ capabilities
# Healthd can trigger a full boot from charger mode by signaling this
@@ -535,10 +547,6 @@
# /data, which in turn can only be loaded when system properties are present.
trigger post-fs-data
- # APEXes are ready to use. apex-ready is a public trigger similar to apexd.status=ready which
- # is a system-private property.
- trigger apex-ready
-
# Should be before netd, but after apex, properties and logging is available.
trigger load_bpf_programs
@@ -635,7 +643,7 @@
chmod 0755 /sys/kernel/tracing
chmod 0755 /sys/kernel/debug/tracing
- # HALs required before storage encryption can get unlocked (FBE/FDE)
+ # HALs required before storage encryption can get unlocked (FBE)
class_start early_hal
# Load trusted keys from dm-verity protected partitions
@@ -723,9 +731,13 @@
# Multi-installed APEXes are selected using persist props.
# Load persist properties and override properties (if enabled) from /data,
# before starting apexd.
+ # /data/property should be created before `load_persist_props`
+ mkdir /data/property 0700 root root encryption=Require
load_persist_props
+
start logd
start logd-reinit
+
# Some existing vendor rc files use 'on load_persist_props_action' to know
# when persist props are ready. These are difficult to change due to GRF,
# so continue triggering this action here even though props are already loaded
@@ -734,9 +746,8 @@
# /data/apex is now available. Start apexd to scan and activate APEXes.
#
- # To handle userspace reboots as well as devices that use FDE, make sure
- # that apexd is started cleanly here (set apexd.status="") and that it is
- # restarted if it's already running.
+ # To handle userspace reboots, make sure that apexd is started cleanly here
+ # (set apexd.status="") and that it is restarted if it's already running.
#
# /data/apex uses encryption=None because direct I/O support is needed on
# APEX files, but some devices don't support direct I/O on encrypted files.
@@ -792,6 +803,7 @@
mkdir /data/misc/vpn 0770 system vpn
mkdir /data/misc/shared_relro 0771 shared_relro shared_relro
mkdir /data/misc/systemkeys 0700 system system
+ mkdir /data/misc/threadnetwork 0770 thread_network thread_network
mkdir /data/misc/wifi 0770 wifi wifi
mkdir /data/misc/wifi/sockets 0770 wifi wifi
mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi
@@ -837,7 +849,7 @@
# Delete any stale files owned by the old virtualizationservice uid (b/230056726).
chmod 0770 /data/misc/virtualizationservice
exec - virtualizationservice system -- /bin/rm -rf /data/misc/virtualizationservice
- mkdir /data/misc/virtualizationservice 0770 system system
+ mkdir /data/misc/virtualizationservice 0771 system system
# /data/preloads uses encryption=None because it only contains preloaded
# files that are public information, similar to the system image.
@@ -852,7 +864,6 @@
mkdir /data/app-asec 0700 root root encryption=Require
mkdir /data/app-lib 0771 system system encryption=Require
mkdir /data/app 0771 system system encryption=Require
- mkdir /data/property 0700 root root encryption=Require
# create directory for updated font files.
mkdir /data/fonts/ 0771 root root encryption=Require
@@ -936,22 +947,29 @@
restorecon /data/media
exec - media_rw media_rw -- /system/bin/chattr +F /data/media
- # A tmpfs directory, which will contain all apps CE DE data directory that
- # bind mount from the original source.
+ # A tmpfs directory, which will contain all apps and sdk sandbox CE and DE
+ # data directory that bind mount from the original source.
mount tmpfs tmpfs /data_mirror nodev noexec nosuid mode=0700,uid=0,gid=1000
restorecon /data_mirror
mkdir /data_mirror/data_ce 0700 root root
mkdir /data_mirror/data_de 0700 root root
+ mkdir /data_mirror/misc_ce 0700 root root
+ mkdir /data_mirror/misc_de 0700 root root
# Create CE and DE data directory for default volume
mkdir /data_mirror/data_ce/null 0700 root root
mkdir /data_mirror/data_de/null 0700 root root
+ mkdir /data_mirror/misc_ce/null 0700 root root
+ mkdir /data_mirror/misc_de/null 0700 root root
# Bind mount CE and DE data directory to mirror's default volume directory.
- # The 'slave' option (MS_SLAVE) is needed to cause the later bind mount of
- # /data/data onto /data/user/0 to propagate to /data_mirror/data_ce/null/0.
- mount none /data/user /data_mirror/data_ce/null bind rec slave
+ # Note that because the /data mount has the "shared" propagation type, the
+ # later bind mount of /data/data onto /data/user/0 will automatically
+ # propagate to /data_mirror/data_ce/null/0 as well.
+ mount none /data/user /data_mirror/data_ce/null bind rec
mount none /data/user_de /data_mirror/data_de/null bind rec
+ mount none /data/misc_ce /data_mirror/misc_ce/null bind rec
+ mount none /data/misc_de /data_mirror/misc_de/null bind rec
# Create mirror directory for jit profiles
mkdir /data_mirror/cur_profiles 0700 root root
@@ -1033,6 +1051,9 @@
# Enable FUSE by default
setprop persist.sys.fuse true
+ # Update dm-verity state and set partition.*.verified properties.
+ verity_update_state
+
# It is recommended to put unnecessary data/ initialization from post-fs-data
# to start-zygote in device's init.rc to unblock zygote start.
on zygote-start && property:ro.crypto.state=unencrypted
@@ -1104,6 +1125,7 @@
# are not aware of using fsync()/sync() to prepare sudden power-cut.
write /dev/sys/fs/by-name/userdata/cp_interval 200
write /dev/sys/fs/by-name/userdata/gc_urgent_sleep_time 50
+ write /dev/sys/fs/by-name/userdata/iostat_period_ms 1000
write /dev/sys/fs/by-name/userdata/iostat_enable 1
# set readahead multiplier for POSIX_FADV_SEQUENTIAL files
@@ -1171,9 +1193,6 @@
# Define default initial receive window size in segments.
setprop net.tcp_def_init_rwnd 60
- # Update dm-verity state and set partition.*.verified properties.
- verity_update_state
-
# Start standard binderized HAL daemons
class_start hal
@@ -1218,7 +1237,7 @@
# controlling access. On older kernels, the paranoid value is the only means of
# controlling access. It is normally 3 (allow only root), but the shell user
# can lower it to 1 (allowing thread-scoped pofiling) via security.perf_harden.
-on property:sys.init.perf_lsm_hooks=1
+on load_bpf_programs && property:sys.init.perf_lsm_hooks=1
write /proc/sys/kernel/perf_event_paranoid -1
on property:security.perf_harden=0 && property:sys.init.perf_lsm_hooks=""
write /proc/sys/kernel/perf_event_paranoid 1
@@ -1266,13 +1285,16 @@
group shell log readproc
seclabel u:r:shell:s0
setenv HOSTNAME console
+ shutdown critical
on property:ro.debuggable=1
- # Give writes to anyone for the trace folder on debug builds.
+ # Give writes to the same group for the trace folder on debug builds,
+ # it's further protected by selinux policy.
# The folder is used to store method traces.
chmod 0773 /data/misc/trace
- # Give reads to anyone for the window trace folder on debug builds.
- chmod 0775 /data/misc/wmtrace
+ # Give writes and reads to anyone for the window trace folder on debug builds,
+ # it's further protected by selinux policy.
+ chmod 0777 /data/misc/wmtrace
# Give reads to anyone for the accessibility trace folder on debug builds.
chmod 0775 /data/misc/a11ytrace
@@ -1310,7 +1332,6 @@
on userspace-reboot-resume
trigger userspace-reboot-fs-remount
trigger post-fs-data
- trigger apex-ready
trigger zygote-start
trigger early-boot
trigger boot
diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index 63b09c0..2f0ec8a 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -7,6 +7,9 @@
socket usap_pool_primary stream 660 root system
onrestart exec_background - system system -- /system/bin/vdc volume abort_fuse
onrestart write /sys/power/state on
+ # NOTE: If the wakelock name here is changed, then also
+ # update it in SystemSuspend.cpp
+ onrestart write /sys/power/wake_lock zygote_kwl
onrestart restart audioserver
onrestart restart cameraserver
onrestart restart media
diff --git a/rootdir/init.zygote64.rc b/rootdir/init.zygote64.rc
index 5bde5f4..74a64c8 100644
--- a/rootdir/init.zygote64.rc
+++ b/rootdir/init.zygote64.rc
@@ -1,4 +1,4 @@
-service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server
+service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote
class main
priority -20
user root
@@ -7,11 +7,14 @@
socket usap_pool_primary stream 660 root system
onrestart exec_background - system system -- /system/bin/vdc volume abort_fuse
onrestart write /sys/power/state on
+ # NOTE: If the wakelock name here is changed, then also
+ # update it in SystemSuspend.cpp
+ onrestart write /sys/power/wake_lock zygote_kwl
onrestart restart audioserver
onrestart restart cameraserver
onrestart restart media
onrestart restart media.tuner
onrestart restart netd
onrestart restart wificond
- task_profiles ProcessCapacityHigh
+ task_profiles ProcessCapacityHigh MaxPerformance
critical window=${zygote.critical_window.minute:-off} target=zygote-fatal
diff --git a/rootdir/init.zygote64_32.rc b/rootdir/init.zygote64_32.rc
index efb30d6..109bf6c 100644
--- a/rootdir/init.zygote64_32.rc
+++ b/rootdir/init.zygote64_32.rc
@@ -1,20 +1,4 @@
-service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote
- class main
- priority -20
- user root
- group root readproc reserved_disk
- socket zygote stream 660 root system
- socket usap_pool_primary stream 660 root system
- onrestart exec_background - system system -- /system/bin/vdc volume abort_fuse
- onrestart write /sys/power/state on
- onrestart restart audioserver
- onrestart restart cameraserver
- onrestart restart media
- onrestart restart media.tuner
- onrestart restart netd
- onrestart restart wificond
- task_profiles ProcessCapacityHigh MaxPerformance
- critical window=${zygote.critical_window.minute:-off} target=zygote-fatal
+import /system/etc/init/hw/init.zygote64.rc
service zygote_secondary /system/bin/app_process32 -Xzygote /system/bin --zygote --socket-name=zygote_secondary --enable-lazy-preload
class main
diff --git a/rootdir/ramdisk_node_list b/rootdir/ramdisk_node_list
new file mode 100644
index 0000000..d3ab8a6
--- /dev/null
+++ b/rootdir/ramdisk_node_list
@@ -0,0 +1,3 @@
+dir dev 0755 0 0
+nod dev/null 0600 0 0 c 1 3
+nod dev/console 0600 0 0 c 5 1
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index a140c8c..0b7ffb8 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -37,6 +37,8 @@
/dev/tty 0666 root root
/dev/random 0666 root root
/dev/urandom 0666 root root
+# Aside from kernel threads, only prng_seeder needs access to HW RNG
+/dev/hw_random 0400 prng_seeder prng_seeder
/dev/ashmem* 0666 root root
/dev/binder 0666 root root
/dev/hwbinder 0666 root root
@@ -67,8 +69,8 @@
# CDMA radio interface MUX
/dev/ppp 0660 radio vpn
-/dev/kvm 0600 system system
-/dev/vhost-vsock 0600 system system
+/dev/kvm 0666 root root
+/dev/vhost-vsock 0666 root root
# sysfs properties
/sys/devices/platform/trusty.* trusty_version 0440 root log
diff --git a/set-verity-state/.clang-format b/set-verity-state/.clang-format
deleted file mode 120000
index fd0645f..0000000
--- a/set-verity-state/.clang-format
+++ /dev/null
@@ -1 +0,0 @@
-../.clang-format-2
\ No newline at end of file
diff --git a/set-verity-state/Android.bp b/set-verity-state/Android.bp
deleted file mode 100644
index 34bded8..0000000
--- a/set-verity-state/Android.bp
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2019 The Android Open Source Project
-
-package {
- default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-cc_binary {
- name: "set-verity-state",
- srcs: ["set-verity-state.cpp"],
- shared_libs: [
- "libbase",
- "libbinder",
- "libcrypto",
- "libcrypto_utils",
- "libfs_mgr_binder",
- "libutils",
- ],
- static_libs: [
- "libavb_user",
- ],
-
- cflags: ["-Werror"],
- cppflags: [
- "-DALLOW_DISABLE_VERITY=0",
- ],
- product_variables: {
- debuggable: {
- cppflags: [
- "-UALLOW_DISABLE_VERITY",
- "-DALLOW_DISABLE_VERITY=1",
- ],
- },
- },
- symlinks: [
- "enable-verity",
- "disable-verity",
- ],
-}
diff --git a/set-verity-state/OWNERS b/set-verity-state/OWNERS
deleted file mode 100644
index e849450..0000000
--- a/set-verity-state/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-dvander@google.com
-yochiang@google.com
-bowgotsai@google.com
diff --git a/set-verity-state/set-verity-state.cpp b/set-verity-state/set-verity-state.cpp
deleted file mode 100644
index 52757b6..0000000
--- a/set-verity-state/set-verity-state.cpp
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-
-#include <android-base/file.h>
-#include <android-base/logging.h>
-#include <android-base/properties.h>
-#include <binder/ProcessState.h>
-#include <fs_mgr_overlayfs.h>
-#include <libavb_user/libavb_user.h>
-
-using namespace std::string_literals;
-
-namespace {
-
-#ifdef ALLOW_DISABLE_VERITY
-const bool kAllowDisableVerity = true;
-#else
-const bool kAllowDisableVerity = false;
-#endif
-
-/* Helper function to get A/B suffix, if any. If the device isn't
- * using A/B the empty string is returned. Otherwise either "_a",
- * "_b", ... is returned.
- */
-std::string get_ab_suffix() {
- return android::base::GetProperty("ro.boot.slot_suffix", "");
-}
-
-bool is_avb_device_locked() {
- return android::base::GetProperty("ro.boot.vbmeta.device_state", "") == "locked";
-}
-
-bool is_debuggable() {
- return android::base::GetBoolProperty("ro.debuggable", false);
-}
-
-bool is_using_avb() {
- // Figure out if we're using VB1.0 or VB2.0 (aka AVB) - by
- // contract, androidboot.vbmeta.digest is set by the bootloader
- // when using AVB).
- return !android::base::GetProperty("ro.boot.vbmeta.digest", "").empty();
-}
-
-bool overlayfs_setup(bool enable) {
- auto change = false;
- errno = 0;
- if (enable ? fs_mgr_overlayfs_setup(nullptr, &change)
- : fs_mgr_overlayfs_teardown(nullptr, &change)) {
- if (change) {
- LOG(INFO) << (enable ? "Enabled" : "Disabled") << " overlayfs";
- }
- } else {
- LOG(ERROR) << "Failed to " << (enable ? "enable" : "disable") << " overlayfs";
- }
- return change;
-}
-
-struct SetVerityStateResult {
- bool success = false;
- bool want_reboot = false;
-};
-
-/* Use AVB to turn verity on/off */
-SetVerityStateResult SetVerityState(bool enable_verity) {
- std::string ab_suffix = get_ab_suffix();
- bool verity_enabled = false;
-
- if (is_avb_device_locked()) {
- LOG(ERROR) << "Device must be bootloader unlocked to change verity state";
- return {};
- }
-
- std::unique_ptr<AvbOps, decltype(&avb_ops_user_free)> ops(avb_ops_user_new(), &avb_ops_user_free);
- if (!ops) {
- LOG(ERROR) << "Error getting AVB ops";
- return {};
- }
-
- if (!avb_user_verity_get(ops.get(), ab_suffix.c_str(), &verity_enabled)) {
- LOG(ERROR) << "Error getting verity state";
- return {};
- }
-
- if ((verity_enabled && enable_verity) || (!verity_enabled && !enable_verity)) {
- LOG(INFO) << "Verity is already " << (verity_enabled ? "enabled" : "disabled");
- return {.success = true, .want_reboot = false};
- }
-
- if (!avb_user_verity_set(ops.get(), ab_suffix.c_str(), enable_verity)) {
- LOG(ERROR) << "Error setting verity state";
- return {};
- }
-
- LOG(INFO) << "Successfully " << (enable_verity ? "enabled" : "disabled") << " verity";
- return {.success = true, .want_reboot = true};
-}
-
-void MyLogger(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
- const char* file, unsigned int line, const char* message) {
- // Hide log starting with '[fs_mgr]' unless it's an error.
- if (severity == android::base::ERROR || message[0] != '[') {
- fprintf(stderr, "%s\n", message);
- }
- static auto logd = android::base::LogdLogger();
- logd(id, severity, tag, file, line, message);
-}
-
-} // namespace
-
-int main(int argc, char* argv[]) {
- android::base::InitLogging(argv, MyLogger);
-
- if (argc == 0) {
- LOG(FATAL) << "set-verity-state called with empty argv";
- }
-
- bool enable_verity = false;
- std::string procname = android::base::Basename(argv[0]);
- if (procname == "enable-verity") {
- enable_verity = true;
- } else if (procname == "disable-verity") {
- enable_verity = false;
- } else if (argc == 2 && (argv[1] == "1"s || argv[1] == "0"s)) {
- enable_verity = (argv[1] == "1"s);
- } else {
- printf("usage: %s [1|0]\n", argv[0]);
- return 1;
- }
-
- if (!kAllowDisableVerity || !is_debuggable()) {
- errno = EPERM;
- PLOG(ERROR) << "Cannot disable/enable verity on user build";
- return 1;
- }
-
- if (getuid() != 0) {
- errno = EACCES;
- PLOG(ERROR) << "Must be running as root (adb root)";
- return 1;
- }
-
- if (!is_using_avb()) {
- LOG(ERROR) << "Expected AVB device, VB1.0 is no longer supported";
- return 1;
- }
-
- int exit_code = 0;
- bool want_reboot = false;
-
- auto ret = SetVerityState(enable_verity);
- if (ret.success) {
- want_reboot |= ret.want_reboot;
- } else {
- exit_code = 1;
- }
-
- // Disable any overlayfs unconditionally if we want verity enabled.
- // Enable overlayfs only if verity is successfully disabled or is already disabled.
- if (enable_verity || ret.success) {
- // Start a threadpool to service waitForService() callbacks as
- // fs_mgr_overlayfs_* might call waitForService() to get the image service.
- android::ProcessState::self()->startThreadPool();
- want_reboot |= overlayfs_setup(!enable_verity);
- }
-
- if (want_reboot) {
- printf("Reboot the device for new settings to take effect\n");
- }
-
- return exit_code;
-}
diff --git a/storaged/Android.bp b/storaged/Android.bp
index 7960af3..c3447d2 100644
--- a/storaged/Android.bp
+++ b/storaged/Android.bp
@@ -24,7 +24,7 @@
shared_libs: [
"android.hardware.health@1.0",
"android.hardware.health@2.0",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libbase",
"libbinder",
"libbinder_ndk",
diff --git a/storaged/storaged.cpp b/storaged/storaged.cpp
index cefef6e..ba79ff7 100644
--- a/storaged/storaged.cpp
+++ b/storaged/storaged.cpp
@@ -27,6 +27,7 @@
#include <fstream>
#include <sstream>
#include <string>
+#include <utility>
#include <aidl/android/hardware/health/BnHealthInfoCallback.h>
#include <android-base/file.h>
@@ -62,7 +63,7 @@
constexpr ssize_t benchmark_unit_size = 16 * 1024; // 16KB
-constexpr ssize_t min_benchmark_size = 128 * 1024; // 128KB
+constexpr size_t min_benchmark_size = 128 * 1024; // 128KB
} // namespace
@@ -244,9 +245,10 @@
proto.ParseFromString(ss.str());
const UidIOUsage& uid_io_usage = proto.uid_io_usage();
- uint32_t computed_crc = crc32(current_version,
- reinterpret_cast<const Bytef*>(uid_io_usage.SerializeAsString().c_str()),
- uid_io_usage.ByteSize());
+ uint32_t computed_crc =
+ crc32(current_version,
+ reinterpret_cast<const Bytef*>(uid_io_usage.SerializeAsString().c_str()),
+ uid_io_usage.ByteSizeLong());
if (proto.crc() != computed_crc) {
LOG(WARNING) << "CRC mismatch in " << proto_file;
return;
@@ -264,31 +266,29 @@
const UidIOUsage& uid_io_usage = proto->uid_io_usage();
proto->set_crc(crc32(current_version,
- reinterpret_cast<const Bytef*>(uid_io_usage.SerializeAsString().c_str()),
- uid_io_usage.ByteSize()));
+ reinterpret_cast<const Bytef*>(uid_io_usage.SerializeAsString().c_str()),
+ uid_io_usage.ByteSizeLong()));
uint32_t pagesize = sysconf(_SC_PAGESIZE);
if (user_id == USER_SYSTEM) {
proto->set_padding("", 1);
vector<char> padding;
- ssize_t size = ROUND_UP(MAX(min_benchmark_size, proto->ByteSize()),
- pagesize);
- padding = vector<char>(size - proto->ByteSize(), 0xFD);
+ ssize_t size = ROUND_UP(std::max(min_benchmark_size, proto->ByteSizeLong()), pagesize);
+ padding = vector<char>(size - proto->ByteSizeLong(), 0xFD);
proto->set_padding(padding.data(), padding.size());
- while (!IS_ALIGNED(proto->ByteSize(), pagesize)) {
+ while (!IS_ALIGNED(proto->ByteSizeLong(), pagesize)) {
padding.push_back(0xFD);
proto->set_padding(padding.data(), padding.size());
}
}
char* data = nullptr;
- if (posix_memalign(reinterpret_cast<void**>(&data),
- pagesize, proto->ByteSize())) {
- PLOG(ERROR) << "Faied to alloc aligned buffer (size: " << proto->ByteSize() << ")";
+ if (posix_memalign(reinterpret_cast<void**>(&data), pagesize, proto->ByteSizeLong())) {
+ PLOG(ERROR) << "Faied to alloc aligned buffer (size: " << proto->ByteSizeLong() << ")";
return data;
}
- proto->SerializeToArray(data, proto->ByteSize());
+ proto->SerializeToArray(data, proto->ByteSizeLong());
return data;
}
@@ -314,7 +314,7 @@
while (size > 0) {
start = steady_clock::now();
- ret = write(fd, data, MIN(benchmark_unit_size, size));
+ ret = write(fd, data, std::min(benchmark_unit_size, size));
if (ret <= 0) {
PLOG(ERROR) << "Faied to write tmp file: " << tmp_file;
return;
@@ -352,7 +352,7 @@
unique_ptr<char> proto_data(prepare_proto(user_id, proto));
if (proto_data == nullptr) return;
- flush_proto_data(user_id, proto_data.get(), proto->ByteSize());
+ flush_proto_data(user_id, proto_data.get(), proto->ByteSizeLong());
}
void storaged_t::flush_protos(unordered_map<int, StoragedProto>* protos) {
diff --git a/storaged/tests/storaged_test.cpp b/storaged/tests/storaged_test.cpp
index bb71bf3..9a281c2 100644
--- a/storaged/tests/storaged_test.cpp
+++ b/storaged/tests/storaged_test.cpp
@@ -284,6 +284,8 @@
dsm_detect.update_mean();
dsm_detect.update_std();
+ // FixLater: avoid floating point loop counters
+ // NOLINTNEXTLINE(clang-analyzer-security.FloatLoopCounter,cert-flp30-c)
for (double i = 0; i < 2 * dsm_detect.mSigma; i += 0.5) {
struct disk_perf test_perf;
struct disk_perf test_mean = dsm_detect.mMean;
diff --git a/toolbox/modprobe.cpp b/toolbox/modprobe.cpp
index 711586a..17f8156 100644
--- a/toolbox/modprobe.cpp
+++ b/toolbox/modprobe.cpp
@@ -23,8 +23,11 @@
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
+#include <android-base/stringprintf.h>
#include <modprobe/modprobe.h>
+#include <sys/utsname.h>
+
namespace {
enum modprobe_mode {
@@ -37,9 +40,8 @@
void print_usage(void) {
LOG(INFO) << "Usage:";
LOG(INFO);
- // -d option is required on Android
- LOG(INFO) << " modprobe [options] -d DIR [--all=FILE|MODULE]...";
- LOG(INFO) << " modprobe [options] -d DIR MODULE [symbol=value]...";
+ LOG(INFO) << " modprobe [options] [-d DIR] [--all=FILE|MODULE]...";
+ LOG(INFO) << " modprobe [options] [-d DIR] MODULE [symbol=value]...";
LOG(INFO);
LOG(INFO) << "Options:";
LOG(INFO) << " --all=FILE: FILE to acquire module names from";
@@ -189,6 +191,12 @@
}
}
+ if (mod_dirs.empty()) {
+ utsname uts;
+ uname(&uts);
+ mod_dirs.emplace_back(android::base::StringPrintf("/lib/modules/%s", uts.release));
+ }
+
LOG(DEBUG) << "mode is " << mode;
LOG(DEBUG) << "mod_dirs is: " << android::base::Join(mod_dirs, " ");
LOG(DEBUG) << "modules is: " << android::base::Join(modules, " ");
diff --git a/trusty/apploader/apploader.cpp b/trusty/apploader/apploader.cpp
index 278499f..17d083c 100644
--- a/trusty/apploader/apploader.cpp
+++ b/trusty/apploader/apploader.cpp
@@ -226,6 +226,9 @@
case APPLOADER_ERR_POLICY_VIOLATION:
LOG(ERROR) << "Error: loading denied by policy engine";
break;
+ case APPLOADER_ERR_NOT_ENCRYPTED:
+ LOG(ERROR) << "Error: unmet application encryption requirement";
+ break;
default:
LOG(ERROR) << "Unrecognized error: " << resp.error;
break;
diff --git a/trusty/apploader/apploader_ipc.h b/trusty/apploader/apploader_ipc.h
index 306596e..f037692 100644
--- a/trusty/apploader/apploader_ipc.h
+++ b/trusty/apploader/apploader_ipc.h
@@ -45,6 +45,10 @@
* @APPLOADER_ERR_INTERNAL: miscellaneous or internal apploader
* error not covered by the above
* @APPLOADER_ERR_INVALID_VERSION: invalid application version
+ * @APPLOADER_ERR_POLICY_VIOLATION: signature verification succeeded but
+ * key+manifest combination not allowed
+ * by app loader policy engine
+ * @APPLOADER_ERR_NOT_ENCRYPTED: unmet application encryption requirement
*/
enum apploader_error : uint32_t {
APPLOADER_NO_ERROR = 0,
@@ -57,6 +61,7 @@
APPLOADER_ERR_INTERNAL,
APPLOADER_ERR_INVALID_VERSION,
APPLOADER_ERR_POLICY_VIOLATION,
+ APPLOADER_ERR_NOT_ENCRYPTED,
};
/**
diff --git a/trusty/confirmationui/Android.bp b/trusty/confirmationui/Android.bp
index 0922415..c5c5012 100644
--- a/trusty/confirmationui/Android.bp
+++ b/trusty/confirmationui/Android.bp
@@ -24,21 +24,23 @@
}
cc_binary {
- name: "android.hardware.confirmationui@1.0-service.trusty",
+ name: "android.hardware.confirmationui-service.trusty",
relative_install_path: "hw",
vendor: true,
shared_libs: [
- "android.hardware.confirmationui@1.0",
+ "android.hardware.confirmationui-V1-ndk",
"android.hardware.confirmationui.not-so-secure-input",
- "android.hardware.confirmationui@1.0-lib.trusty",
+ "android.hardware.confirmationui-lib.trusty",
+ "libbinder_ndk",
+ "libteeui_hal_support",
"libbase",
"libhidlbase",
"libutils",
],
- init_rc: ["android.hardware.confirmationui@1.0-service.trusty.rc"],
+ init_rc: ["android.hardware.confirmationui-service.trusty.rc"],
- vintf_fragments: ["android.hardware.confirmationui@1.0-service.trusty.xml"],
+ vintf_fragments: ["android.hardware.confirmationui-service.trusty.xml"],
srcs: [
"service.cpp",
@@ -51,18 +53,39 @@
],
}
-cc_library {
- name: "android.hardware.confirmationui@1.0-lib.trusty",
+cc_fuzz {
+ name: "android.hardware.confirmationui-service.trusty_fuzzer",
+ defaults: ["service_fuzzer_defaults"],
vendor: true,
shared_libs: [
- "android.hardware.confirmationui@1.0",
- "android.hardware.keymaster@4.0",
+ "android.hardware.confirmationui-V1-ndk",
+ "android.hardware.confirmationui.not-so-secure-input",
+ "android.hardware.confirmationui-lib.trusty",
+ "liblog",
+ ],
+ srcs: ["fuzzer.cpp"],
+ fuzz_config: {
+ cc: [
+ "nyamagoud@google.com",
+ ],
+ },
+}
+
+cc_library {
+ name: "android.hardware.confirmationui-lib.trusty",
+ defaults: [
+ "keymint_use_latest_hal_aidl_ndk_shared",
+ ],
+ vendor: true,
+ shared_libs: [
+ "android.hardware.confirmationui-V1-ndk",
"libbase",
+ "libcutils",
"libdmabufheap",
- "libhidlbase",
"libteeui_hal_support",
"libtrusty",
"libutils",
+ "libbinder_ndk",
],
export_include_dirs: ["include"],
diff --git a/trusty/confirmationui/TrustyConfirmationUI.cpp b/trusty/confirmationui/TrustyConfirmationUI.cpp
index c6625e0..f01a4e1 100644
--- a/trusty/confirmationui/TrustyConfirmationUI.cpp
+++ b/trusty/confirmationui/TrustyConfirmationUI.cpp
@@ -18,8 +18,6 @@
#include "TrustyConfirmationUI.h"
#include <android-base/logging.h>
-#include <android/hardware/confirmationui/1.0/types.h>
-#include <android/hardware/keymaster/4.0/types.h>
#include <fcntl.h>
#include <linux/input.h>
#include <poll.h>
@@ -42,12 +40,7 @@
#include <tuple>
#include <vector>
-namespace android {
-namespace hardware {
-namespace confirmationui {
-namespace V1_0 {
-namespace implementation {
-
+namespace aidl::android::hardware::confirmationui {
using namespace secure_input;
using ::android::trusty::confirmationui::TrustyAppError;
@@ -64,8 +57,6 @@
using ::secure_input::createSecureInput;
-using ::android::hardware::keymaster::V4_0::HardwareAuthToken;
-
using ::std::tie;
using TeeuiRc = ::teeui::ResponseCode;
@@ -87,46 +78,47 @@
void release() { f_ = {}; }
};
-ResponseCode convertRc(TeeuiRc trc) {
+int convertRc(TeeuiRc trc) {
static_assert(
- uint32_t(TeeuiRc::OK) == uint32_t(ResponseCode::OK) &&
- uint32_t(TeeuiRc::Canceled) == uint32_t(ResponseCode::Canceled) &&
- uint32_t(TeeuiRc::Aborted) == uint32_t(ResponseCode::Aborted) &&
- uint32_t(TeeuiRc::OperationPending) == uint32_t(ResponseCode::OperationPending) &&
- uint32_t(TeeuiRc::Ignored) == uint32_t(ResponseCode::Ignored) &&
- uint32_t(TeeuiRc::SystemError) == uint32_t(ResponseCode::SystemError) &&
- uint32_t(TeeuiRc::Unimplemented) == uint32_t(ResponseCode::Unimplemented) &&
- uint32_t(TeeuiRc::Unexpected) == uint32_t(ResponseCode::Unexpected) &&
- uint32_t(TeeuiRc::UIError) == uint32_t(ResponseCode::UIError) &&
- uint32_t(TeeuiRc::UIErrorMissingGlyph) == uint32_t(ResponseCode::UIErrorMissingGlyph) &&
+ uint32_t(TeeuiRc::OK) == uint32_t(IConfirmationUI::OK) &&
+ uint32_t(TeeuiRc::Canceled) == uint32_t(IConfirmationUI::CANCELED) &&
+ uint32_t(TeeuiRc::Aborted) == uint32_t(IConfirmationUI::ABORTED) &&
+ uint32_t(TeeuiRc::OperationPending) == uint32_t(IConfirmationUI::OPERATION_PENDING) &&
+ uint32_t(TeeuiRc::Ignored) == uint32_t(IConfirmationUI::IGNORED) &&
+ uint32_t(TeeuiRc::SystemError) == uint32_t(IConfirmationUI::SYSTEM_ERROR) &&
+ uint32_t(TeeuiRc::Unimplemented) == uint32_t(IConfirmationUI::UNIMPLEMENTED) &&
+ uint32_t(TeeuiRc::Unexpected) == uint32_t(IConfirmationUI::UNEXPECTED) &&
+ uint32_t(TeeuiRc::UIError) == uint32_t(IConfirmationUI::UI_ERROR) &&
+ uint32_t(TeeuiRc::UIErrorMissingGlyph) ==
+ uint32_t(IConfirmationUI::UI_ERROR_MISSING_GLYPH) &&
uint32_t(TeeuiRc::UIErrorMessageTooLong) ==
- uint32_t(ResponseCode::UIErrorMessageTooLong) &&
+ uint32_t(IConfirmationUI::UI_ERROR_MESSAGE_TOO_LONG) &&
uint32_t(TeeuiRc::UIErrorMalformedUTF8Encoding) ==
- uint32_t(ResponseCode::UIErrorMalformedUTF8Encoding),
+ uint32_t(IConfirmationUI::UI_ERROR_MALFORMED_UTF8ENCODING),
"teeui::ResponseCode and "
"::android::hardware::confirmationui::V1_0::Responsecude are out of "
"sync");
- return ResponseCode(trc);
+ return static_cast<int>(trc);
}
teeui::UIOption convertUIOption(UIOption uio) {
- static_assert(uint32_t(UIOption::AccessibilityInverted) ==
+ static_assert(uint32_t(UIOption::ACCESSIBILITY_INVERTED) ==
uint32_t(teeui::UIOption::AccessibilityInverted) &&
- uint32_t(UIOption::AccessibilityMagnified) ==
+ uint32_t(UIOption::ACCESSIBILITY_MAGNIFIED) ==
uint32_t(teeui::UIOption::AccessibilityMagnified),
"teeui::UIOPtion and ::android::hardware::confirmationui::V1_0::UIOption "
- "anre out of sync");
+ "are out of sync");
return teeui::UIOption(uio);
}
-inline MsgString hidl2MsgString(const hidl_string& s) {
+inline MsgString stdString2MsgString(const string& s) {
return {s.c_str(), s.c_str() + s.size()};
}
-template <typename T> inline MsgVector<T> hidl2MsgVector(const hidl_vec<T>& v) {
+template <typename T> inline MsgVector<T> stdVector2MsgVector(const vector<T>& v) {
return {v};
}
-inline MsgVector<teeui::UIOption> hidl2MsgVector(const hidl_vec<UIOption>& v) {
+inline MsgVector<teeui::UIOption> stdVector2MsgVector(const vector<UIOption>& v) {
MsgVector<teeui::UIOption> result(v.size());
for (unsigned int i = 0; i < v.size(); ++i) {
result[i] = convertUIOption(v[i]);
@@ -137,7 +129,7 @@
} // namespace
TrustyConfirmationUI::TrustyConfirmationUI()
- : listener_state_(ListenerState::None), prompt_result_(ResponseCode::Ignored) {}
+ : listener_state_(ListenerState::None), prompt_result_(IConfirmationUI::IGNORED) {}
TrustyConfirmationUI::~TrustyConfirmationUI() {
ListenerState state = listener_state_;
@@ -385,15 +377,16 @@
// ############################## Start 4th Phase - cleanup ##################################
}
-// Methods from ::android::hardware::confirmationui::V1_0::IConfirmationUI
+// Methods from ::aidl::android::hardware::confirmationui::IConfirmationUI
// follow.
-Return<ResponseCode> TrustyConfirmationUI::promptUserConfirmation(
- const sp<IConfirmationResultCallback>& resultCB, const hidl_string& promptText,
- const hidl_vec<uint8_t>& extraData, const hidl_string& locale,
- const hidl_vec<UIOption>& uiOptions) {
+::ndk::ScopedAStatus TrustyConfirmationUI::promptUserConfirmation(
+ const shared_ptr<IConfirmationResultCallback>& resultCB, const vector<uint8_t>& promptTextBytes,
+ const vector<uint8_t>& extraData, const string& locale, const vector<UIOption>& uiOptions) {
std::unique_lock<std::mutex> stateLock(listener_state_lock_, std::defer_lock);
+ string promptText(promptTextBytes.begin(), promptTextBytes.end());
if (!stateLock.try_lock()) {
- return ResponseCode::OperationPending;
+ return ndk::ScopedAStatus(
+ AStatus_fromServiceSpecificError(IConfirmationUI::OPERATION_PENDING));
}
switch (listener_state_) {
case ListenerState::None:
@@ -401,23 +394,25 @@
case ListenerState::Starting:
case ListenerState::SetupDone:
case ListenerState::Interactive:
- return ResponseCode::OperationPending;
+ return ndk::ScopedAStatus(
+ AStatus_fromServiceSpecificError(IConfirmationUI::OPERATION_PENDING));
case ListenerState::Terminating:
callback_thread_.join();
listener_state_ = ListenerState::None;
break;
default:
- return ResponseCode::Unexpected;
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(IConfirmationUI::UNEXPECTED));
}
assert(listener_state_ == ListenerState::None);
callback_thread_ = std::thread(
- [this](sp<IConfirmationResultCallback> resultCB, hidl_string promptText,
- hidl_vec<uint8_t> extraData, hidl_string locale, hidl_vec<UIOption> uiOptions) {
- auto [trc, msg, token] =
- promptUserConfirmation_(hidl2MsgString(promptText), hidl2MsgVector(extraData),
- hidl2MsgString(locale), hidl2MsgVector(uiOptions));
+ [this](const shared_ptr<IConfirmationResultCallback>& resultCB, const string& promptText,
+ const vector<uint8_t>& extraData, const string& locale,
+ const vector<UIOption>& uiOptions) {
+ auto [trc, msg, token] = promptUserConfirmation_(
+ stdString2MsgString(promptText), stdVector2MsgVector(extraData),
+ stdString2MsgString(locale), stdVector2MsgVector(uiOptions));
bool do_callback = (listener_state_ == ListenerState::Interactive ||
listener_state_ == ListenerState::SetupDone) &&
resultCB;
@@ -426,7 +421,7 @@
if (do_callback) {
auto error = resultCB->result(prompt_result_, msg, token);
if (!error.isOk()) {
- LOG(ERROR) << "Result callback failed " << error.description();
+ LOG(ERROR) << "Result callback failed " << error.getDescription();
}
} else {
listener_state_condv_.notify_all();
@@ -442,14 +437,14 @@
if (listener_state_ == ListenerState::Terminating) {
callback_thread_.join();
listener_state_ = ListenerState::None;
- return prompt_result_;
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(prompt_result_));
}
- return ResponseCode::OK;
+ return ndk::ScopedAStatus::ok();
}
-Return<ResponseCode>
+::ndk::ScopedAStatus
TrustyConfirmationUI::deliverSecureInputEvent(const HardwareAuthToken& secureInputToken) {
- ResponseCode rc = ResponseCode::Ignored;
+ int rc = IConfirmationUI::IGNORED;
{
/*
* deliverSecureInputEvent is only used by the VTS test to mock human input. A correct
@@ -467,13 +462,17 @@
listener_state_condv_.wait(stateLock,
[this] { return listener_state_ != ListenerState::SetupDone; });
- if (listener_state_ != ListenerState::Interactive) return ResponseCode::Ignored;
+ if (listener_state_ != ListenerState::Interactive)
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(IConfirmationUI::IGNORED));
auto sapp = app_.lock();
- if (!sapp) return ResponseCode::Ignored;
+ if (!sapp)
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(IConfirmationUI::IGNORED));
auto [error, response] =
sapp->issueCmd<DeliverTestCommandMessage, DeliverTestCommandResponse>(
static_cast<teeui::TestModeCommands>(secureInputToken.challenge));
- if (error != TrustyAppError::OK) return ResponseCode::SystemError;
+ if (error != TrustyAppError::OK)
+ return ndk::ScopedAStatus(
+ AStatus_fromServiceSpecificError(IConfirmationUI::SYSTEM_ERROR));
auto& [trc] = response;
if (trc != TeeuiRc::Ignored) secureInputDelivered_ = true;
rc = convertRc(trc);
@@ -484,11 +483,14 @@
// Canceled into OK. Canceled is only returned if the delivered event canceled
// the operation, which means that the event was successfully delivered. Thus
// we return OK.
- if (rc == ResponseCode::Canceled) return ResponseCode::OK;
- return rc;
+ if (rc == IConfirmationUI::CANCELED) return ndk::ScopedAStatus::ok();
+ if (rc != IConfirmationUI::OK) {
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(rc));
+ }
+ return ndk::ScopedAStatus::ok();
}
-Return<void> TrustyConfirmationUI::abort() {
+::ndk::ScopedAStatus TrustyConfirmationUI::abort() {
{
std::unique_lock<std::mutex> stateLock(listener_state_lock_);
if (listener_state_ == ListenerState::SetupDone ||
@@ -499,15 +501,11 @@
}
}
listener_state_condv_.notify_all();
- return Void();
+ return ndk::ScopedAStatus::ok();
}
-android::sp<IConfirmationUI> createTrustyConfirmationUI() {
- return new TrustyConfirmationUI();
+std::shared_ptr<IConfirmationUI> createTrustyConfirmationUI() {
+ return ndk::SharedRefBase::make<TrustyConfirmationUI>();
}
-} // namespace implementation
-} // namespace V1_0
-} // namespace confirmationui
-} // namespace hardware
-} // namespace android
+} // namespace aidl::android::hardware::confirmationui
diff --git a/trusty/confirmationui/TrustyConfirmationUI.h b/trusty/confirmationui/TrustyConfirmationUI.h
index 0bd703c..6e85704 100644
--- a/trusty/confirmationui/TrustyConfirmationUI.h
+++ b/trusty/confirmationui/TrustyConfirmationUI.h
@@ -17,9 +17,11 @@
#ifndef ANDROID_HARDWARE_CONFIRMATIONUI_V1_0_TRUSTY_CONFIRMATIONUI_H
#define ANDROID_HARDWARE_CONFIRMATIONUI_V1_0_TRUSTY_CONFIRMATIONUI_H
-#include <android/hardware/confirmationui/1.0/IConfirmationUI.h>
-#include <android/hardware/keymaster/4.0/types.h>
-#include <hidl/Status.h>
+#include <aidl/android/hardware/confirmationui/BnConfirmationUI.h>
+#include <aidl/android/hardware/confirmationui/IConfirmationResultCallback.h>
+#include <aidl/android/hardware/confirmationui/UIOption.h>
+#include <aidl/android/hardware/security/keymint/HardwareAuthToken.h>
+#include <android/binder_manager.h>
#include <atomic>
#include <condition_variable>
@@ -30,35 +32,29 @@
#include "TrustyApp.h"
-namespace android {
-namespace hardware {
-namespace confirmationui {
-namespace V1_0 {
-namespace implementation {
+namespace aidl::android::hardware::confirmationui {
-using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using ::aidl::android::hardware::security::keymint::HardwareAuthToken;
using ::android::trusty::confirmationui::TrustyApp;
-class TrustyConfirmationUI : public IConfirmationUI {
+class TrustyConfirmationUI : public BnConfirmationUI {
public:
TrustyConfirmationUI();
virtual ~TrustyConfirmationUI();
- // Methods from ::android::hardware::confirmationui::V1_0::IConfirmationUI
+ // Methods from ::aidl::android::hardware::confirmationui::IConfirmationUI
// follow.
- Return<ResponseCode> promptUserConfirmation(const sp<IConfirmationResultCallback>& resultCB,
- const hidl_string& promptText,
- const hidl_vec<uint8_t>& extraData,
- const hidl_string& locale,
- const hidl_vec<UIOption>& uiOptions) override;
- Return<ResponseCode> deliverSecureInputEvent(
- const ::android::hardware::keymaster::V4_0::HardwareAuthToken& secureInputToken) override;
- Return<void> abort() override;
+ ::ndk::ScopedAStatus
+ promptUserConfirmation(const shared_ptr<IConfirmationResultCallback>& resultCB,
+ const vector<uint8_t>& promptText, const vector<uint8_t>& extraData,
+ const string& locale, const vector<UIOption>& uiOptions) override;
+ ::ndk::ScopedAStatus
+ deliverSecureInputEvent(const HardwareAuthToken& secureInputToken) override;
+
+ ::ndk::ScopedAStatus abort() override;
private:
std::weak_ptr<TrustyApp> app_;
@@ -85,7 +81,7 @@
bool abort_called_;
std::mutex listener_state_lock_;
std::condition_variable listener_state_condv_;
- ResponseCode prompt_result_;
+ int prompt_result_;
bool secureInputDelivered_;
std::tuple<teeui::ResponseCode, teeui::MsgVector<uint8_t>, teeui::MsgVector<uint8_t>>
@@ -95,10 +91,6 @@
const teeui::MsgVector<teeui::UIOption>& uiOptions);
};
-} // namespace implementation
-} // namespace V1_0
-} // namespace confirmationui
-} // namespace hardware
-} // namespace android
+} // namespace aidl::android::hardware::confirmationui
#endif // ANDROID_HARDWARE_CONFIRMATIONUI_V1_0_TRUSTY_CONFIRMATIONUI_H
diff --git a/trusty/confirmationui/android.hardware.confirmationui-service.trusty.rc b/trusty/confirmationui/android.hardware.confirmationui-service.trusty.rc
new file mode 100644
index 0000000..b5c3159
--- /dev/null
+++ b/trusty/confirmationui/android.hardware.confirmationui-service.trusty.rc
@@ -0,0 +1,5 @@
+service vendor.confirmationui_default /vendor/bin/hw/android.hardware.confirmationui-service.trusty
+ interface aidl android.hardware.confirmationui.IConfirmationUI/default
+ class hal
+ user system
+ group drmrpc input system
diff --git a/trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.xml b/trusty/confirmationui/android.hardware.confirmationui-service.trusty.xml
similarity index 71%
rename from trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.xml
rename to trusty/confirmationui/android.hardware.confirmationui-service.trusty.xml
index 9008b87..afa2e8e 100644
--- a/trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.xml
+++ b/trusty/confirmationui/android.hardware.confirmationui-service.trusty.xml
@@ -1,8 +1,7 @@
<manifest version="1.0" type="device">
- <hal format="hidl">
+ <hal format="aidl">
<name>android.hardware.confirmationui</name>
- <transport>hwbinder</transport>
- <version>1.0</version>
+ <version>1</version>
<interface>
<name>IConfirmationUI</name>
<instance>default</instance>
diff --git a/trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.rc b/trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.rc
deleted file mode 100644
index 3ba6fc0..0000000
--- a/trusty/confirmationui/android.hardware.confirmationui@1.0-service.trusty.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service confirmationui-1-0 /vendor/bin/hw/android.hardware.confirmationui@1.0-service.trusty
- class hal
- user system
- group drmrpc input system
diff --git a/trusty/confirmationui/fuzzer.cpp b/trusty/confirmationui/fuzzer.cpp
new file mode 100644
index 0000000..4446b79
--- /dev/null
+++ b/trusty/confirmationui/fuzzer.cpp
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <TrustyConfirmationuiHal.h>
+#include <android-base/logging.h>
+#include <fuzzbinder/libbinder_ndk_driver.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+using aidl::android::hardware::confirmationui::createTrustyConfirmationUI;
+using aidl::android::hardware::confirmationui::IConfirmationUI;
+using android::fuzzService;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ auto confirmationui = createTrustyConfirmationUI();
+
+ fuzzService(confirmationui->asBinder().get(), FuzzedDataProvider(data, size));
+
+ return 0;
+}
diff --git a/trusty/confirmationui/include/TrustyConfirmationuiHal.h b/trusty/confirmationui/include/TrustyConfirmationuiHal.h
index 2ab9389..8000ee2 100644
--- a/trusty/confirmationui/include/TrustyConfirmationuiHal.h
+++ b/trusty/confirmationui/include/TrustyConfirmationuiHal.h
@@ -16,18 +16,10 @@
#pragma once
-#include <android/hardware/confirmationui/1.0/IConfirmationUI.h>
+#include <aidl/android/hardware/confirmationui/IConfirmationUI.h>
-namespace android {
-namespace hardware {
-namespace confirmationui {
-namespace V1_0 {
-namespace implementation {
+namespace aidl::android::hardware::confirmationui {
-android::sp<IConfirmationUI> createTrustyConfirmationUI();
+std::shared_ptr<IConfirmationUI> createTrustyConfirmationUI();
-} // namespace implementation
-} // namespace V1_0
-} // namespace confirmationui
-} // namespace hardware
-} // namespace android
+} // namespace aidl::android::hardware::confirmationui
diff --git a/trusty/confirmationui/service.cpp b/trusty/confirmationui/service.cpp
index dd7e84b..44fa3a6 100644
--- a/trusty/confirmationui/service.cpp
+++ b/trusty/confirmationui/service.cpp
@@ -15,21 +15,24 @@
*/
#include <android-base/logging.h>
-#include <hidl/HidlTransportSupport.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
#include <TrustyConfirmationuiHal.h>
-using android::sp;
-using android::hardware::confirmationui::V1_0::implementation::createTrustyConfirmationUI;
+using ::aidl::android::hardware::confirmationui::createTrustyConfirmationUI;
+using ::aidl::android::hardware::confirmationui::IConfirmationUI;
int main() {
- ::android::hardware::configureRpcThreadpool(1, true /*willJoinThreadpool*/);
- auto service = createTrustyConfirmationUI();
- auto status = service->registerAsService();
- if (status != android::OK) {
- LOG(FATAL) << "Could not register service for ConfirmationUI 1.0 (" << status << ")";
- return -1;
- }
- ::android::hardware::joinRpcThreadpool();
- return -1;
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
+
+ auto confirmationui = createTrustyConfirmationUI();
+
+ const auto instance = std::string(IConfirmationUI::descriptor) + "/default";
+ binder_status_t status =
+ AServiceManager_addService(confirmationui->asBinder().get(), instance.c_str());
+ CHECK_EQ(status, STATUS_OK) << "Could not register " << instance;
+
+ ABinderProcess_joinThreadPool();
+ return EXIT_FAILURE;
}
diff --git a/trusty/gatekeeper/TEST_MAPPING b/trusty/gatekeeper/TEST_MAPPING
new file mode 100644
index 0000000..da6c769
--- /dev/null
+++ b/trusty/gatekeeper/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "VtsHalGatekeeperTargetTest"
+ }
+ ]
+}
diff --git a/trusty/keymaster/Android.bp b/trusty/keymaster/Android.bp
index 0e916ef..b249013 100644
--- a/trusty/keymaster/Android.bp
+++ b/trusty/keymaster/Android.bp
@@ -109,6 +109,7 @@
"keymint_use_latest_hal_aidl_ndk_shared",
],
shared_libs: [
+ "android.hardware.security.rkp-V3-ndk",
"android.hardware.security.secureclock-V1-ndk",
"android.hardware.security.sharedsecret-V1-ndk",
"lib_android_keymaster_keymint_utils",
@@ -123,7 +124,6 @@
],
required: [
"android.hardware.hardware_keystore.xml",
- "RemoteProvisioner",
],
}
@@ -181,3 +181,30 @@
"-Werror",
],
}
+
+cc_binary {
+ name: "trusty_keymaster_set_attestation_ids",
+ vendor: true,
+
+ srcs: [
+ "set_attestation_ids/set_attestation_ids.cpp",
+ "ipc/trusty_keymaster_ipc.cpp",
+ ],
+
+ local_include_dirs: ["include"],
+
+ shared_libs: [
+ "libbase",
+ "libc",
+ "libcrypto",
+ "liblog",
+ "libtrusty",
+ "libhardware",
+ "libkeymaster_messages",
+ "libutils",
+ ],
+ cflags: [
+ "-Wall",
+ "-Werror",
+ ],
+}
diff --git a/trusty/keymaster/TEST_MAPPING b/trusty/keymaster/TEST_MAPPING
new file mode 100644
index 0000000..0dd39fb
--- /dev/null
+++ b/trusty/keymaster/TEST_MAPPING
@@ -0,0 +1,10 @@
+{
+ "presubmit": [
+ {
+ "name": "VtsAidlKeyMintTargetTest"
+ },
+ {
+ "name": "VtsHalRemotelyProvisionedComponentTargetTest"
+ }
+ ]
+}
diff --git a/trusty/keymaster/TrustyKeymaster.cpp b/trusty/keymaster/TrustyKeymaster.cpp
index e77940a..ac98695 100644
--- a/trusty/keymaster/TrustyKeymaster.cpp
+++ b/trusty/keymaster/TrustyKeymaster.cpp
@@ -178,6 +178,11 @@
ForwardCommand(KM_GENERATE_CSR, request, response);
}
+void TrustyKeymaster::GenerateCsrV2(const GenerateCsrV2Request& request,
+ GenerateCsrV2Response* response) {
+ ForwardCommand(KM_GENERATE_CSR_V2, request, response);
+}
+
void TrustyKeymaster::GetKeyCharacteristics(const GetKeyCharacteristicsRequest& request,
GetKeyCharacteristicsResponse* response) {
ForwardCommand(KM_GET_KEY_CHARACTERISTICS, request, response);
@@ -285,4 +290,10 @@
return response;
}
+GetHwInfoResponse TrustyKeymaster::GetHwInfo() {
+ GetHwInfoResponse response(message_version());
+ ForwardCommand(KM_GET_HW_INFO, GetHwInfoRequest(message_version()), &response);
+ return response;
+}
+
} // namespace keymaster
diff --git a/trusty/keymaster/include/trusty_keymaster/TrustyKeymaster.h b/trusty/keymaster/include/trusty_keymaster/TrustyKeymaster.h
index 9f4f39b..60d3f87 100644
--- a/trusty/keymaster/include/trusty_keymaster/TrustyKeymaster.h
+++ b/trusty/keymaster/include/trusty_keymaster/TrustyKeymaster.h
@@ -44,6 +44,7 @@
void GenerateKey(const GenerateKeyRequest& request, GenerateKeyResponse* response);
void GenerateRkpKey(const GenerateRkpKeyRequest& request, GenerateRkpKeyResponse* response);
void GenerateCsr(const GenerateCsrRequest& request, GenerateCsrResponse* response);
+ void GenerateCsrV2(const GenerateCsrV2Request& request, GenerateCsrV2Response* response);
void GetKeyCharacteristics(const GetKeyCharacteristicsRequest& request,
GetKeyCharacteristicsResponse* response);
void ImportKey(const ImportKeyRequest& request, ImportKeyResponse* response);
@@ -67,6 +68,7 @@
ConfigureVendorPatchlevelResponse ConfigureVendorPatchlevel(
const ConfigureVendorPatchlevelRequest& request);
GetRootOfTrustResponse GetRootOfTrust(const GetRootOfTrustRequest& request);
+ GetHwInfoResponse GetHwInfo();
uint32_t message_version() const { return message_version_; }
diff --git a/trusty/keymaster/include/trusty_keymaster/TrustyRemotelyProvisionedComponentDevice.h b/trusty/keymaster/include/trusty_keymaster/TrustyRemotelyProvisionedComponentDevice.h
index d544b51..dbb7fff 100644
--- a/trusty/keymaster/include/trusty_keymaster/TrustyRemotelyProvisionedComponentDevice.h
+++ b/trusty/keymaster/include/trusty_keymaster/TrustyRemotelyProvisionedComponentDevice.h
@@ -46,6 +46,10 @@
DeviceInfo* deviceInfo, ProtectedData* protectedData,
std::vector<uint8_t>* keysToSignMac) override;
+ ScopedAStatus generateCertificateRequestV2(const std::vector<MacedPublicKey>& keysToSign,
+ const std::vector<uint8_t>& challenge,
+ std::vector<uint8_t>* csr) override;
+
private:
std::shared_ptr<::keymaster::TrustyKeymaster> impl_;
};
diff --git a/trusty/keymaster/include/trusty_keymaster/ipc/keymaster_ipc.h b/trusty/keymaster/include/trusty_keymaster/ipc/keymaster_ipc.h
index bf0cb70..f767d40 100644
--- a/trusty/keymaster/include/trusty_keymaster/ipc/keymaster_ipc.h
+++ b/trusty/keymaster/include/trusty_keymaster/ipc/keymaster_ipc.h
@@ -60,6 +60,8 @@
KM_GENERATE_CSR = (32 << KEYMASTER_REQ_SHIFT),
KM_CONFIGURE_VENDOR_PATCHLEVEL = (33 << KEYMASTER_REQ_SHIFT),
KM_GET_ROOT_OF_TRUST = (34 << KEYMASTER_REQ_SHIFT),
+ KM_GET_HW_INFO = (35 << KEYMASTER_REQ_SHIFT),
+ KM_GENERATE_CSR_V2 = (36 << KEYMASTER_REQ_SHIFT),
// Bootloader/provisioning calls.
KM_SET_BOOT_PARAMS = (0x1000 << KEYMASTER_REQ_SHIFT),
diff --git a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
index 7d58162..b696ff9 100644
--- a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
@@ -91,7 +91,7 @@
} // namespace
ScopedAStatus TrustyKeyMintDevice::getHardwareInfo(KeyMintHardwareInfo* info) {
- info->versionNumber = 2;
+ info->versionNumber = 3;
info->securityLevel = kSecurityLevel;
info->keyMintName = "TrustyKeyMintDevice";
info->keyMintAuthorName = "Google";
diff --git a/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp b/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
index 099f189..710be3e 100644
--- a/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
@@ -28,9 +28,14 @@
using keymaster::GenerateCsrRequest;
using keymaster::GenerateCsrResponse;
+using keymaster::GenerateCsrV2Request;
+using keymaster::GenerateCsrV2Response;
using keymaster::GenerateRkpKeyRequest;
using keymaster::GenerateRkpKeyResponse;
+using keymaster::GetHwInfoRequest;
+using keymaster::GetHwInfoResponse;
using keymaster::KeymasterBlob;
+using km_utils::kmError2ScopedAStatus;
using ::std::string;
using ::std::unique_ptr;
using ::std::vector;
@@ -71,10 +76,16 @@
} // namespace
ScopedAStatus TrustyRemotelyProvisionedComponentDevice::getHardwareInfo(RpcHardwareInfo* info) {
- info->versionNumber = 2;
- info->rpcAuthorName = "Google";
- info->supportedEekCurve = RpcHardwareInfo::CURVE_25519;
- info->uniqueId = "Trusty: My password is ******";
+ GetHwInfoResponse response = impl_->GetHwInfo();
+ if (response.error != KM_ERROR_OK) {
+ return Status(-static_cast<int32_t>(response.error), "Failed to get hardware info.");
+ }
+
+ info->versionNumber = response.version;
+ info->rpcAuthorName = std::move(response.rpcAuthorName);
+ info->supportedEekCurve = response.supportedEekCurve;
+ info->uniqueId = std::move(response.uniqueId);
+ info->supportedNumKeysInCsr = response.supportedNumKeysInCsr;
return ScopedAStatus::ok();
}
@@ -118,4 +129,25 @@
return ScopedAStatus::ok();
}
+ScopedAStatus TrustyRemotelyProvisionedComponentDevice::generateCertificateRequestV2(
+ const std::vector<MacedPublicKey>& keysToSign, const std::vector<uint8_t>& challenge,
+ std::vector<uint8_t>* csr) {
+ GenerateCsrV2Request request(impl_->message_version());
+ if (!request.InitKeysToSign(keysToSign.size())) {
+ return kmError2ScopedAStatus(static_cast<keymaster_error_t>(STATUS_FAILED));
+ }
+ for (size_t i = 0; i < keysToSign.size(); i++) {
+ request.SetKeyToSign(i, keysToSign[i].macedKey.data(), keysToSign[i].macedKey.size());
+ }
+ request.SetChallenge(challenge.data(), challenge.size());
+ GenerateCsrV2Response response(impl_->message_version());
+ impl_->GenerateCsrV2(request, &response);
+
+ if (response.error != KM_ERROR_OK) {
+ return Status(-static_cast<int32_t>(response.error), "Failure in CSR v2 generation.");
+ }
+ *csr = km_utils::kmBlob2vector(response.csr);
+ return ScopedAStatus::ok();
+}
+
} // namespace aidl::android::hardware::security::keymint::trusty
diff --git a/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml b/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
index 0b995a2..3dc9c88 100644
--- a/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
+++ b/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
@@ -1,7 +1,7 @@
<manifest version="1.0" type="device">
<hal format="aidl">
<name>android.hardware.security.keymint</name>
- <version>2</version>
+ <version>3</version>
<fqname>IKeyMintDevice/default</fqname>
</hal>
<hal format="aidl">
@@ -14,7 +14,7 @@
</hal>
<hal format="aidl">
<name>android.hardware.security.keymint</name>
- <version>2</version>
+ <version>3</version>
<fqname>IRemotelyProvisionedComponent/default</fqname>
</hal>
</manifest>
diff --git a/trusty/keymaster/keymint/service.cpp b/trusty/keymaster/keymint/service.cpp
index 3447b27..14549d2 100644
--- a/trusty/keymaster/keymint/service.cpp
+++ b/trusty/keymaster/keymint/service.cpp
@@ -41,7 +41,7 @@
int main() {
auto trustyKeymaster = std::make_shared<keymaster::TrustyKeymaster>();
- int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_2);
+ int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_3);
if (err != 0) {
LOG(FATAL) << "Could not initialize TrustyKeymaster for KeyMint (" << err << ")";
return -1;
diff --git a/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp b/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp
new file mode 100644
index 0000000..e944167
--- /dev/null
+++ b/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <getopt.h>
+
+#include <string>
+
+#include <android-base/properties.h>
+#include <trusty_keymaster/ipc/trusty_keymaster_ipc.h>
+
+namespace {
+
+const char* sopts = "hb:d:p:s:M:m:i:c:";
+const struct option lopts[] = {
+ {"help", no_argument, nullptr, 'h'},
+ {"brand", required_argument, nullptr, 'b'},
+ {"device", required_argument, nullptr, 'd'},
+ {"product", required_argument, nullptr, 'p'},
+ {"serial", required_argument, nullptr, 's'},
+ {"manufacturer", required_argument, nullptr, 'M'},
+ {"model", required_argument, nullptr, 'm'},
+ {"imei", required_argument, nullptr, 'i'},
+ {"meid", required_argument, nullptr, 'c'},
+ {0, 0, 0, 0},
+};
+
+std::string buf2string(const keymaster::Buffer& buf) {
+ return std::string(reinterpret_cast<const char*>(buf.peek_read()), buf.available_read());
+}
+
+void print_usage(const char* prog, const keymaster::SetAttestationIdsRequest& req) {
+ fprintf(stderr,
+ "Usage: %s [options]\n"
+ "\n"
+ "options:\n"
+ " -h, --help prints this message and exit\n"
+ " -b, --brand <val> set brand (default '%s')\n"
+ " -d, --device <val> set device (default '%s')\n"
+ " -p, --product <val> set product (default '%s')\n"
+ " -s, --serial <val> set serial (default '%s')\n"
+ " -M, --manufacturer <val> set manufacturer (default '%s')\n"
+ " -m, --model <val> set model (default '%s')\n"
+ " -i, --imei <val> set IMEI (default '%s')\n"
+ " -c, --meid <val> set MEID (default '%s')\n"
+ "\n",
+ prog, buf2string(req.brand).c_str(), buf2string(req.device).c_str(),
+ buf2string(req.product).c_str(), buf2string(req.serial).c_str(),
+ buf2string(req.manufacturer).c_str(), buf2string(req.model).c_str(),
+ buf2string(req.imei).c_str(), buf2string(req.meid).c_str());
+}
+
+void set_from_prop(keymaster::Buffer* buf, const std::string& prop) {
+ std::string prop_value = ::android::base::GetProperty(prop, /* default_value = */ "");
+ if (!prop_value.empty()) {
+ buf->Reinitialize(prop_value.data(), prop_value.size());
+ }
+}
+
+void populate_ids(keymaster::SetAttestationIdsRequest* req) {
+ set_from_prop(&req->brand, "ro.product.brand");
+ set_from_prop(&req->device, "ro.product.device");
+ set_from_prop(&req->product, "ro.product.name");
+ set_from_prop(&req->serial, "ro.serialno");
+ set_from_prop(&req->manufacturer, "ro.product.manufacturer");
+ set_from_prop(&req->model, "ro.product.model");
+}
+
+} // namespace
+
+int main(int argc, char** argv) {
+ // By default, set attestation IDs to the values in userspace properties.
+ keymaster::SetAttestationIdsRequest req(/* ver = */ 4);
+ populate_ids(&req);
+
+ while (true) {
+ int oidx = 0;
+ int c = getopt_long(argc, argv, sopts, lopts, &oidx);
+ if (c == -1) {
+ break; /* done */
+ }
+
+ switch (c) {
+ case 'b':
+ req.brand.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'd':
+ req.device.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'p':
+ req.product.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 's':
+ req.serial.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'M':
+ req.manufacturer.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'm':
+ req.model.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'i':
+ req.imei.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'c':
+ req.meid.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'h':
+ print_usage(argv[0], req);
+ exit(EXIT_SUCCESS);
+ default:
+ print_usage(argv[0], req);
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (optind != argc) {
+ print_usage(argv[0], req);
+ exit(EXIT_FAILURE);
+ }
+
+ int ret = trusty_keymaster_connect();
+ if (ret) {
+ fprintf(stderr, "trusty_keymaster_connect failed: %d\n", ret);
+ return EXIT_FAILURE;
+ }
+
+ printf("Setting:\n"
+ " brand: %s\n"
+ " device: %s\n"
+ " product: %s\n"
+ " serial: %s\n"
+ " manufacturer: %s\n"
+ " model: %s\n"
+ " IMEI: %s\n"
+ " MEID: %s\n",
+ buf2string(req.brand).c_str(), buf2string(req.device).c_str(),
+ buf2string(req.product).c_str(), buf2string(req.serial).c_str(),
+ buf2string(req.manufacturer).c_str(), buf2string(req.model).c_str(),
+ buf2string(req.imei).c_str(), buf2string(req.meid).c_str());
+
+ keymaster::EmptyKeymasterResponse rsp(/* ver = */ 4);
+ ret = trusty_keymaster_send(KM_SET_ATTESTATION_IDS, req, &rsp);
+ if (ret) {
+ fprintf(stderr, "SET_ATTESTATION_IDS failed: %d\n", ret);
+ trusty_keymaster_disconnect();
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/trusty/keymint/Android.bp b/trusty/keymint/Android.bp
new file mode 100644
index 0000000..c19ebbd
--- /dev/null
+++ b/trusty/keymint/Android.bp
@@ -0,0 +1,41 @@
+//
+// Copyright (C) 2022 The Android Open-Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_binary {
+ name: "android.hardware.security.keymint-service.rust.trusty",
+ relative_install_path: "hw",
+ vendor: true,
+ init_rc: ["android.hardware.security.keymint-service.rust.trusty.rc"],
+ vintf_fragments: ["android.hardware.security.keymint-service.rust.trusty.xml"],
+ srcs: [
+ "src/keymint_hal_main.rs"
+ ],
+ rustlibs: [
+ "libandroid_logger",
+ "libbinder_rs",
+ "libkmr_wire",
+ "libkmr_hal",
+ "libtrusty-rs",
+ "liblibc",
+ "liblog_rust",
+ ],
+ required: [
+ "android.hardware.hardware_keystore.xml",
+ ],
+}
diff --git a/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
new file mode 100644
index 0000000..cd656b2
--- /dev/null
+++ b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<permissions>
+ <feature name="android.hardware.hardware_keystore" version="300" />
+</permissions>
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
new file mode 100644
index 0000000..e3d94c6
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
@@ -0,0 +1,7 @@
+service vendor.keymint.rust-trusty /vendor/bin/hw/android.hardware.security.keymint-service.rust.trusty
+ class early_hal
+ user nobody
+ group drmrpc
+ # The keymint service is not allowed to restart.
+ # If it crashes, a device restart is required.
+ oneshot
\ No newline at end of file
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
new file mode 100644
index 0000000..3dc9c88
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
@@ -0,0 +1,20 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.security.keymint</name>
+ <version>3</version>
+ <fqname>IKeyMintDevice/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.secureclock</name>
+ <fqname>ISecureClock/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.sharedsecret</name>
+ <fqname>ISharedSecret/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.keymint</name>
+ <version>3</version>
+ <fqname>IRemotelyProvisionedComponent/default</fqname>
+ </hal>
+</manifest>
diff --git a/trusty/keymint/src/keymint_hal_main.rs b/trusty/keymint/src/keymint_hal_main.rs
new file mode 100644
index 0000000..cfa859f
--- /dev/null
+++ b/trusty/keymint/src/keymint_hal_main.rs
@@ -0,0 +1,164 @@
+//
+// Copyright (C) 2022 The Android Open-Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! This module implements the HAL service for Keymint (Rust) in Trusty.
+use kmr_hal::{
+ extract_rsp, keymint, rpc, secureclock, send_hal_info, sharedsecret, SerializedChannel,
+};
+use log::{error, info};
+use std::{
+ ffi::CString,
+ ops::DerefMut,
+ panic,
+ sync::{Arc, Mutex},
+};
+use trusty::DEFAULT_DEVICE;
+
+const TRUSTY_KEYMINT_RUST_SERVICE_NAME: &str = "com.android.trusty.keymint";
+
+static SERVICE_INSTANCE: &str = "default";
+
+static KM_SERVICE_NAME: &str = "android.hardware.security.keymint.IKeyMintDevice";
+static RPC_SERVICE_NAME: &str = "android.hardware.security.keymint.IRemotelyProvisionedComponent";
+static SECURE_CLOCK_SERVICE_NAME: &str = "android.hardware.security.secureclock.ISecureClock";
+static SHARED_SECRET_SERVICE_NAME: &str = "android.hardware.security.sharedsecret.ISharedSecret";
+
+/// Local error type for failures in the HAL service.
+#[derive(Debug, Clone)]
+struct HalServiceError(String);
+
+#[derive(Debug)]
+struct TipcChannel(trusty::TipcChannel);
+
+impl SerializedChannel for TipcChannel {
+ const MAX_SIZE: usize = 4000;
+ fn execute(&mut self, serialized_req: &[u8]) -> binder::Result<Vec<u8>> {
+ self.0.send(serialized_req).map_err(|e| {
+ binder::Status::new_exception(
+ binder::ExceptionCode::TRANSACTION_FAILED,
+ Some(
+ &CString::new(format!(
+ "Failed to send the request via tipc channel because of {:?}",
+ e
+ ))
+ .unwrap(),
+ ),
+ )
+ })?;
+ let mut expect_more_msgs = true;
+ let mut full_rsp = Vec::new();
+ while expect_more_msgs {
+ let mut recv_buf = Vec::new();
+ self.0.recv(&mut recv_buf).map_err(|e| {
+ binder::Status::new_exception(
+ binder::ExceptionCode::TRANSACTION_FAILED,
+ Some(
+ &CString::new(format!(
+ "Failed to receive the response via tipc channel because of {:?}",
+ e
+ ))
+ .unwrap(),
+ ),
+ )
+ })?;
+ let current_rsp_content;
+ (expect_more_msgs, current_rsp_content) = extract_rsp(&recv_buf)?;
+ full_rsp.extend_from_slice(current_rsp_content);
+ }
+ Ok(full_rsp)
+ }
+}
+
+fn main() {
+ if let Err(e) = inner_main() {
+ panic!("HAL service failed: {:?}", e);
+ }
+}
+
+fn inner_main() -> Result<(), HalServiceError> {
+ // Initialize Android logging.
+ android_logger::init_once(
+ android_logger::Config::default()
+ .with_tag("keymint-hal-trusty")
+ .with_min_level(log::Level::Info)
+ .with_log_id(android_logger::LogId::System),
+ );
+ // Redirect panic messages to logcat.
+ panic::set_hook(Box::new(|panic_info| {
+ error!("{}", panic_info);
+ }));
+
+ info!("Trusty KM HAL service is starting.");
+
+ info!("Starting thread pool now.");
+ binder::ProcessState::start_thread_pool();
+
+ // Create connection to the TA
+ let connection = trusty::TipcChannel::connect(DEFAULT_DEVICE, TRUSTY_KEYMINT_RUST_SERVICE_NAME)
+ .map_err(|e| {
+ HalServiceError(format!("Failed to connect to Trusty Keymint TA because of {:?}.", e))
+ })?;
+ let tipc_channel = Arc::new(Mutex::new(TipcChannel(connection)));
+
+ // Register the Keymint service
+ let km_service = keymint::Device::new_as_binder(tipc_channel.clone());
+ let km_service_name = format!("{}/{}", KM_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&km_service_name, km_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ km_service_name, e
+ ))
+ })?;
+
+ // Register the Remotely Provisioned Component service
+ let rpc_service = rpc::Device::new_as_binder(tipc_channel.clone());
+ let rpc_service_name = format!("{}/{}", RPC_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&rpc_service_name, rpc_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ rpc_service_name, e
+ ))
+ })?;
+
+ // Register the Secure Clock service
+ let sclock_service = secureclock::Device::new_as_binder(tipc_channel.clone());
+ let sclock_service_name = format!("{}/{}", SECURE_CLOCK_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&sclock_service_name, sclock_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ sclock_service_name, e
+ ))
+ })?;
+
+ // Register the Shared Secret service
+ let ssecret_service = sharedsecret::Device::new_as_binder(tipc_channel.clone());
+ let ssecret_service_name = format!("{}/{}", SHARED_SECRET_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&ssecret_service_name, ssecret_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ ssecret_service_name, e
+ ))
+ })?;
+
+ // Send the HAL service information to the TA
+ send_hal_info(tipc_channel.lock().unwrap().deref_mut())
+ .map_err(|e| HalServiceError(format!("Failed to populate HAL info: {:?}", e)))?;
+
+ info!("Successfully registered KeyMint HAL services.");
+ info!("Joining thread pool now.");
+ binder::ProcessState::join_thread_pool();
+ info!("KeyMint HAL service is terminating."); // should not reach here
+ Ok(())
+}
diff --git a/trusty/libtrusty/Android.bp b/trusty/libtrusty/Android.bp
index 086051d..9d94ec4 100644
--- a/trusty/libtrusty/Android.bp
+++ b/trusty/libtrusty/Android.bp
@@ -33,5 +33,6 @@
// TODO(b/170753563): cc_fuzz can't deal with vendor components. Build
// libtrusty for system and vendor.
vendor_available: true,
+ recovery_available: true,
defaults: ["libtrusty_defaults"],
}
diff --git a/trusty/storage/interface/include/trusty/interface/storage.h b/trusty/storage/interface/include/trusty/interface/storage.h
index 255ade1..3291607 100644
--- a/trusty/storage/interface/include/trusty/interface/storage.h
+++ b/trusty/storage/interface/include/trusty/interface/storage.h
@@ -53,6 +53,8 @@
/* transaction support */
STORAGE_END_TRANSACTION = 9 << STORAGE_REQ_SHIFT,
+
+ STORAGE_FILE_GET_MAX_SIZE = 12 << STORAGE_REQ_SHIFT,
};
/**
@@ -184,6 +186,24 @@
};
/**
+ * struct storage_file_get_max_size_req - request format for
+ * STORAGE_FILE_GET_MAX_SIZE
+ * @handle: the handle for the file whose max size is requested
+ */
+struct storage_file_get_max_size_req {
+ uint32_t handle;
+};
+
+/**
+ * struct storage_file_get_max_size_resp - response format for
+ * STORAGE_FILE_GET_MAX_SIZE
+ * @max_size: the maximum size of the file
+ */
+struct storage_file_get_max_size_resp {
+ uint64_t max_size;
+};
+
+/**
* struct storage_file_read_req - request format for STORAGE_FILE_READ
* @handle: the handle for the file from which to read
* @size: the quantity of bytes to read from the file
diff --git a/trusty/storage/proxy/Android.bp b/trusty/storage/proxy/Android.bp
index 94f26d8..e952ee0 100644
--- a/trusty/storage/proxy/Android.bp
+++ b/trusty/storage/proxy/Android.bp
@@ -32,11 +32,11 @@
shared_libs: [
"libbase",
+ "libcutils",
"liblog",
"libhardware_legacy",
],
header_libs: [
- "libcutils_headers",
"libgsi_headers",
],
diff --git a/trusty/storage/proxy/proxy.c b/trusty/storage/proxy/proxy.c
index b970406..4f77fa2 100644
--- a/trusty/storage/proxy/proxy.c
+++ b/trusty/storage/proxy/proxy.c
@@ -136,6 +136,10 @@
rc = storage_file_set_size(msg, req, req_len);
break;
+ case STORAGE_FILE_GET_MAX_SIZE:
+ rc = storage_file_get_max_size(msg, req, req_len);
+ break;
+
case STORAGE_RPMB_SEND:
rc = rpmb_send(msg, req, req_len);
break;
diff --git a/trusty/storage/proxy/rpmb.c b/trusty/storage/proxy/rpmb.c
index f059935..b1b8232 100644
--- a/trusty/storage/proxy/rpmb.c
+++ b/trusty/storage/proxy/rpmb.c
@@ -322,9 +322,9 @@
}
static int send_mmc_rpmb_req(int mmc_fd, const struct storage_rpmb_send_req* req) {
- struct {
+ union {
struct mmc_ioc_multi_cmd multi;
- struct mmc_ioc_cmd cmd_buf[3];
+ uint8_t raw[sizeof(struct mmc_ioc_multi_cmd) + sizeof(struct mmc_ioc_cmd) * 3];
} mmc = {};
struct mmc_ioc_cmd* cmd = mmc.multi.cmds;
int rc;
diff --git a/trusty/storage/proxy/storage.c b/trusty/storage/proxy/storage.c
index c531cfd..a96ddcb 100644
--- a/trusty/storage/proxy/storage.c
+++ b/trusty/storage/proxy/storage.c
@@ -13,10 +13,12 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#include <cutils/properties.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <libgen.h>
+#include <linux/fs.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
@@ -35,6 +37,9 @@
#define ALTERNATE_DATA_DIR "alternate/"
+/* Maximum file size for filesystem backed storage (i.e. not block dev backed storage) */
+#define MAX_FILE_SIZE (0x10000000000)
+
enum sync_state {
SS_UNUSED = -1,
SS_CLEAN = 0,
@@ -43,6 +48,22 @@
static const char *ssdir_name;
+/*
+ * Property set to 1 after we have opened a file under ssdir_name. The backing
+ * files for both TD and TDP are currently located under /data/vendor/ss and can
+ * only be opened once userdata is mounted. This storageproxyd service is
+ * restarted when userdata is available, which causes the Trusty storage service
+ * to reconnect and attempt to open the backing files for TD and TDP. Once we
+ * set this property, other users can expect that the Trusty storage service
+ * ports will be available (although they may block if still being initialized),
+ * and connections will not be reset after this point (assuming the
+ * storageproxyd service stays running).
+ */
+#define FS_READY_PROPERTY "ro.vendor.trusty.storage.fs_ready"
+
+/* has FS_READY_PROPERTY been set? */
+static bool fs_ready_initialized = false;
+
static enum sync_state fs_state;
static enum sync_state fd_state[FD_TBL_SIZE];
@@ -336,6 +357,16 @@
ALOGV("%s: \"%s\": fd = %u: handle = %d\n",
__func__, path, rc, resp.handle);
+ /* a backing file has been opened, notify any waiting init steps */
+ if (!fs_ready_initialized) {
+ rc = property_set(FS_READY_PROPERTY, "1");
+ if (rc == 0) {
+ fs_ready_initialized = true;
+ } else {
+ ALOGE("Could not set property %s, rc: %d\n", FS_READY_PROPERTY, rc);
+ }
+ }
+
return ipc_respond(msg, &resp, sizeof(resp));
err_response:
@@ -522,6 +553,45 @@
return ipc_respond(msg, NULL, 0);
}
+int storage_file_get_max_size(struct storage_msg* msg, const void* r, size_t req_len) {
+ const struct storage_file_get_max_size_req* req = r;
+ struct storage_file_get_max_size_resp resp = {0};
+ uint64_t max_size = 0;
+
+ if (req_len != sizeof(*req)) {
+ ALOGE("%s: invalid request length (%zd != %zd)\n", __func__, req_len, sizeof(*req));
+ msg->result = STORAGE_ERR_NOT_VALID;
+ goto err_response;
+ }
+
+ struct stat stat;
+ int fd = lookup_fd(req->handle, false);
+ int rc = fstat(fd, &stat);
+ if (rc < 0) {
+ ALOGE("%s: error stat'ing file (fd=%d): %s\n", __func__, fd, strerror(errno));
+ goto err_response;
+ }
+
+ if ((stat.st_mode & S_IFMT) == S_IFBLK) {
+ rc = ioctl(fd, BLKGETSIZE64, &max_size);
+ if (rc < 0) {
+ rc = errno;
+ ALOGE("%s: error calling ioctl on file (fd=%d): %s\n", __func__, fd, strerror(errno));
+ msg->result = translate_errno(rc);
+ goto err_response;
+ }
+ } else {
+ max_size = MAX_FILE_SIZE;
+ }
+
+ resp.max_size = max_size;
+ msg->result = STORAGE_NO_ERROR;
+ return ipc_respond(msg, &resp, sizeof(resp));
+
+err_response:
+ return ipc_respond(msg, NULL, 0);
+}
+
int storage_init(const char *dirname)
{
/* If there is an active DSU image, use the alternate fs mode. */
diff --git a/trusty/storage/proxy/storage.h b/trusty/storage/proxy/storage.h
index 5a670d4..77bfa13 100644
--- a/trusty/storage/proxy/storage.h
+++ b/trusty/storage/proxy/storage.h
@@ -39,6 +39,8 @@
int storage_file_set_size(struct storage_msg *msg,
const void *req, size_t req_len);
+int storage_file_get_max_size(struct storage_msg* msg, const void* req, size_t req_len);
+
int storage_init(const char *dirname);
int storage_sync_checkpoint(void);
diff --git a/trusty/test/binder/aidl/ByteEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/ByteEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
index d3a13ac..9c712c0 100644
--- a/trusty/test/binder/aidl/ByteEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
/*
* Hello, world!
*/
diff --git a/trusty/test/binder/aidl/ITestService.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
similarity index 93%
rename from trusty/test/binder/aidl/ITestService.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
index c6a99c8..cfbb246 100644
--- a/trusty/test/binder/aidl/ITestService.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
@@ -14,10 +14,11 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
-import ByteEnum;
-import IntEnum;
-import LongEnum;
+import com.android.trusty.binder.test.ByteEnum;
+import com.android.trusty.binder.test.IntEnum;
+import com.android.trusty.binder.test.LongEnum;
interface ITestService {
const @utf8InCpp String PORT = "com.android.trusty.binder.test.service";
diff --git a/trusty/test/binder/aidl/IntEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/IntEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
index 120e44f..4055b25 100644
--- a/trusty/test/binder/aidl/IntEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
@JavaDerive(toString=true)
@Backing(type="int")
enum IntEnum {
diff --git a/trusty/test/binder/aidl/LongEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/LongEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
index 0e9e933..20c64af 100644
--- a/trusty/test/binder/aidl/LongEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
@Backing(type="long")
enum LongEnum {
FOO = 100000000000,
diff --git a/trusty/test/binder/aidl/rules.mk b/trusty/test/binder/aidl/rules.mk
index 6154abb..546a370 100644
--- a/trusty/test/binder/aidl/rules.mk
+++ b/trusty/test/binder/aidl/rules.mk
@@ -17,10 +17,12 @@
MODULE := $(LOCAL_DIR)
+MODULE_AIDL_PACKAGE := com/android/trusty/binder/test
+
MODULE_AIDLS := \
- $(LOCAL_DIR)/ByteEnum.aidl \
- $(LOCAL_DIR)/IntEnum.aidl \
- $(LOCAL_DIR)/ITestService.aidl \
- $(LOCAL_DIR)/LongEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ByteEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/IntEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ITestService.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/LongEnum.aidl \
include make/aidl.mk
diff --git a/trusty/trusty-base.mk b/trusty/trusty-base.mk
index d40a59e..7b4aa26 100644
--- a/trusty/trusty-base.mk
+++ b/trusty/trusty-base.mk
@@ -22,10 +22,24 @@
# For gatekeeper, we include the generic -service and -impl to use legacy
# HAL loading of gatekeeper.trusty.
+# Allow the KeyMint HAL service implementation to be selected at build time. This needs to be
+# done in sync with the TA implementation included in Trusty. Possible values are:
+#
+# - Rust implementation: export TRUSTY_KEYMINT_IMPL=rust
+# - C++ implementation: (any other value of TRUSTY_KEYMINT_IMPL)
+
+ifeq ($(TRUSTY_KEYMINT_IMPL),rust)
+ LOCAL_KEYMINT_PRODUCT_PACKAGE := android.hardware.security.keymint-service.rust.trusty
+else
+ # Default to the C++ implementation
+ LOCAL_KEYMINT_PRODUCT_PACKAGE := android.hardware.security.keymint-service.trusty
+endif
+
PRODUCT_PACKAGES += \
- android.hardware.security.keymint-service.trusty \
+ $(LOCAL_KEYMINT_PRODUCT_PACKAGE) \
android.hardware.gatekeeper@1.0-service.trusty \
- trusty_apploader
+ trusty_apploader \
+ RemoteProvisioner
PRODUCT_PROPERTY_OVERRIDES += \
ro.hardware.keystore_desede=true \
diff --git a/trusty/utils/acvp/acvp_ipc.h b/trusty/utils/acvp/acvp_ipc.h
index 300e05a..fc1c9d7 100644
--- a/trusty/utils/acvp/acvp_ipc.h
+++ b/trusty/utils/acvp/acvp_ipc.h
@@ -45,7 +45,7 @@
* This must be at least as long as the longest reply from the ACVP service
* (currently the reply from getConfig()).
*/
-#define ACVP_MIN_SHARED_MEMORY 16384
+#define ACVP_MIN_SHARED_MEMORY 32768
/**
* acvp_req - Request for the Trusty ACVP app
diff --git a/usbd/Android.bp b/usbd/Android.bp
index 27db0fa..e67759c 100644
--- a/usbd/Android.bp
+++ b/usbd/Android.bp
@@ -8,10 +8,12 @@
srcs: ["usbd.cpp"],
shared_libs: [
"libbase",
+ "libbinder_ndk",
"libhidlbase",
"liblog",
"libutils",
"libhardware",
"android.hardware.usb.gadget@1.0",
+ "android.hardware.usb.gadget-V1-ndk",
],
}
diff --git a/usbd/usbd.cpp b/usbd/usbd.cpp
index 6e24d8e..0616cfb 100644
--- a/usbd/usbd.cpp
+++ b/usbd/usbd.cpp
@@ -18,43 +18,78 @@
#include <string>
+#include <aidl/android/hardware/usb/gadget/GadgetFunction.h>
+#include <aidl/android/hardware/usb/gadget/IUsbGadget.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
#include <android/hardware/usb/gadget/1.0/IUsbGadget.h>
-#include <hidl/HidlTransportSupport.h>
-
+using aidl::android::hardware::usb::gadget::GadgetFunction;
using android::base::GetProperty;
using android::base::SetProperty;
-using android::hardware::configureRpcThreadpool;
-using android::hardware::usb::gadget::V1_0::GadgetFunction;
-using android::hardware::usb::gadget::V1_0::IUsbGadget;
using android::hardware::Return;
+using ndk::ScopedAStatus;
+using std::shared_ptr;
+
+std::atomic<int> sUsbOperationCount{};
int main(int /*argc*/, char** /*argv*/) {
if (GetProperty("ro.bootmode", "") == "charger") exit(0);
+ int operationId = sUsbOperationCount++;
- configureRpcThreadpool(1, true /*callerWillJoin*/);
- android::sp<IUsbGadget> gadget = IUsbGadget::getService();
- Return<void> ret;
+ ABinderProcess_setThreadPoolMaxThreadCount(1);
+ ABinderProcess_startThreadPool();
+ const std::string service_name =
+ std::string(aidl::android::hardware::usb::gadget::IUsbGadget::descriptor)
+ .append("/default");
- if (gadget != nullptr) {
- LOG(INFO) << "Usb HAL found.";
- std::string function = GetProperty("persist.sys.usb.config", "");
- if (function == "adb") {
- LOG(INFO) << "peristent prop is adb";
- SetProperty("ctl.start", "adbd");
- ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::ADB),
- nullptr, 0);
+ std::string function = GetProperty("persist.sys.usb.config", "");
+ if (function == "adb") {
+ LOG(INFO) << "persistent prop is adb";
+ SetProperty("ctl.start", "adbd");
+ }
+
+ if (AServiceManager_isDeclared(service_name.c_str())) {
+ shared_ptr<aidl::android::hardware::usb::gadget::IUsbGadget> gadget_aidl =
+ aidl::android::hardware::usb::gadget::IUsbGadget::fromBinder(
+ ndk::SpAIBinder(AServiceManager_waitForService(service_name.c_str())));
+ ScopedAStatus ret;
+ if (gadget_aidl != nullptr) {
+ LOG(INFO) << "Usb AIDL HAL found.";
+ if (function == "adb") {
+ ret = gadget_aidl->setCurrentUsbFunctions(
+ static_cast<uint64_t>(GadgetFunction::ADB), nullptr, 0, operationId);
+ } else {
+ LOG(INFO) << "Signal MTP to enable default functions";
+ ret = gadget_aidl->setCurrentUsbFunctions(
+ static_cast<uint64_t>(GadgetFunction::MTP), nullptr, 0, operationId);
+ }
+
+ if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
- LOG(INFO) << "Signal MTP to enable default functions";
- ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::MTP),
- nullptr, 0);
+ LOG(INFO) << "Usb AIDL HAL not found";
}
-
- if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
- LOG(INFO) << "Usb HAL not found";
+ android::sp<android::hardware::usb::gadget::V1_0::IUsbGadget> gadget =
+ android::hardware::usb::gadget::V1_0::IUsbGadget::getService();
+ Return<void> ret;
+ if (gadget != nullptr) {
+ LOG(INFO) << "Usb HAL found.";
+ if (function == "adb") {
+ ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::ADB),
+ nullptr, 0);
+ } else {
+ LOG(INFO) << "Signal MTP to enable default functions";
+ ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::MTP),
+ nullptr, 0);
+ }
+
+ if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
+ } else {
+ LOG(INFO) << "Usb HAL not found";
+ }
}
exit(0);
}
