| /* |
| * Copyright (C) 2008 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 <dirent.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <libgen.h> |
| #include <limits.h> |
| #include <memory> |
| #include <regex> |
| #include <set> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string> |
| #include <string.h> |
| #include <sys/prctl.h> |
| #include <sys/resource.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| |
| #include <android-base/stringprintf.h> |
| #include <cutils/properties.h> |
| |
| #include "private/android_filesystem_config.h" |
| |
| #define LOG_TAG "dumpstate" |
| #include <cutils/log.h> |
| |
| #include "dumpstate.h" |
| #include "ScopedFd.h" |
| #include "ziparchive/zip_writer.h" |
| |
| #include "mincrypt/sha256.h" |
| |
| using android::base::StringPrintf; |
| |
| /* read before root is shed */ |
| static char cmdline_buf[16384] = "(unknown)"; |
| static const char *dump_traces_path = NULL; |
| |
| // TODO: should be part of dumpstate object |
| static unsigned long id; |
| static char build_type[PROPERTY_VALUE_MAX]; |
| static time_t now; |
| static std::unique_ptr<ZipWriter> zip_writer; |
| static std::set<std::string> mount_points; |
| void add_mountinfo(); |
| static int control_socket_fd; |
| /* suffix of the bugreport files - it's typically the date (when invoked with -d), |
| * although it could be changed by the user using a system property */ |
| static std::string suffix; |
| |
| #define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops" |
| #define ALT_PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops-0" |
| |
| #define RAFT_DIR "/data/misc/raft/" |
| #define RECOVERY_DIR "/cache/recovery" |
| #define RECOVERY_DATA_DIR "/data/misc/recovery" |
| #define LOGPERSIST_DATA_DIR "/data/misc/logd" |
| #define TOMBSTONE_DIR "/data/tombstones" |
| #define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_" |
| /* Can accomodate a tombstone number up to 9999. */ |
| #define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4) |
| #define NUM_TOMBSTONES 10 |
| #define WLUTIL "/vendor/xbin/wlutil" |
| |
| typedef struct { |
| char name[TOMBSTONE_MAX_LEN]; |
| int fd; |
| } tombstone_data_t; |
| |
| static tombstone_data_t tombstone_data[NUM_TOMBSTONES]; |
| |
| const std::string ZIP_ROOT_DIR = "FS"; |
| std::string bugreport_dir; |
| |
| /* |
| * List of supported zip format versions. |
| * |
| * See bugreport-format.txt for more info. |
| */ |
| static std::string VERSION_DEFAULT = "1.0"; |
| |
| bool is_user_build() { |
| return 0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1); |
| } |
| |
| /* gets the tombstone data, according to the bugreport type: if zipped gets all tombstones, |
| * otherwise gets just those modified in the last half an hour. */ |
| static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) { |
| time_t thirty_minutes_ago = now - 60*30; |
| for (size_t i = 0; i < NUM_TOMBSTONES; i++) { |
| snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i); |
| int fd = TEMP_FAILURE_RETRY(open(data[i].name, |
| O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); |
| struct stat st; |
| if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) && |
| (zip_writer || (time_t) st.st_mtime >= thirty_minutes_ago)) { |
| data[i].fd = fd; |
| } else { |
| close(fd); |
| data[i].fd = -1; |
| } |
| } |
| } |
| |
| // for_each_pid() callback to get mount info about a process. |
| void do_mountinfo(int pid, const char *name) { |
| char path[PATH_MAX]; |
| |
| // Gets the the content of the /proc/PID/ns/mnt link, so only unique mount points |
| // are added. |
| snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid); |
| char linkname[PATH_MAX]; |
| ssize_t r = readlink(path, linkname, PATH_MAX); |
| if (r == -1) { |
| MYLOGE("Unable to read link for %s: %s\n", path, strerror(errno)); |
| return; |
| } |
| linkname[r] = '\0'; |
| |
| if (mount_points.find(linkname) == mount_points.end()) { |
| // First time this mount point was found: add it |
| snprintf(path, sizeof(path), "/proc/%d/mountinfo", pid); |
| if (add_zip_entry(ZIP_ROOT_DIR + path, path)) { |
| mount_points.insert(linkname); |
| } else { |
| MYLOGE("Unable to add mountinfo %s to zip file\n", path); |
| } |
| } |
| } |
| |
| void add_mountinfo() { |
| if (!zip_writer) return; |
| const char *title = "MOUNT INFO"; |
| mount_points.clear(); |
| DurationReporter duration_reporter(title, NULL); |
| for_each_pid(do_mountinfo, NULL); |
| MYLOGD("%s: %d entries added to zip file\n", title, (int) mount_points.size()); |
| } |
| |
| static void dump_dev_files(const char *title, const char *driverpath, const char *filename) |
| { |
| DIR *d; |
| struct dirent *de; |
| char path[PATH_MAX]; |
| |
| d = opendir(driverpath); |
| if (d == NULL) { |
| return; |
| } |
| |
| while ((de = readdir(d))) { |
| if (de->d_type != DT_LNK) { |
| continue; |
| } |
| snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename); |
| dump_file(title, path); |
| } |
| |
| closedir(d); |
| } |
| |
| static void dump_systrace() { |
| if (!zip_writer) { |
| MYLOGD("Not dumping systrace because zip_writer is not set\n"); |
| return; |
| } |
| std::string systrace_path = bugreport_dir + "/systrace-" + suffix + ".txt"; |
| if (systrace_path.empty()) { |
| MYLOGE("Not dumping systrace because path is empty\n"); |
| return; |
| } |
| const char* path = "/sys/kernel/debug/tracing/tracing_on"; |
| long int is_tracing; |
| if (read_file_as_long(path, &is_tracing)) { |
| return; // error already logged |
| } |
| if (is_tracing <= 0) { |
| MYLOGD("Skipping systrace because '%s' content is '%ld'\n", path, is_tracing); |
| return; |
| } |
| |
| MYLOGD("Running '/system/bin/atrace --async_dump -o %s', which can take several minutes", |
| systrace_path.c_str()); |
| if (run_command("SYSTRACE", 120, "/system/bin/atrace", "--async_dump", "-o", |
| systrace_path.c_str(), NULL)) { |
| MYLOGE("systrace timed out, its zip entry will be incomplete\n"); |
| // TODO: run_command tries to kill the process, but atrace doesn't die peacefully; ideally, |
| // we should call strace to stop itself, but there is no such option yet (just a |
| // --async_stop, which stops and dump |
| // if (run_command("SYSTRACE", 10, "/system/bin/atrace", "--kill", NULL)) { |
| // MYLOGE("could not stop systrace "); |
| // } |
| } |
| if (!add_zip_entry("systrace.txt", systrace_path)) { |
| MYLOGE("Unable to add systrace file %s to zip file\n", systrace_path.c_str()); |
| } else { |
| if (remove(systrace_path.c_str())) { |
| MYLOGE("Error removing systrace file %s: %s", systrace_path.c_str(), strerror(errno)); |
| } |
| } |
| } |
| |
| static bool skip_not_stat(const char *path) { |
| static const char stat[] = "/stat"; |
| size_t len = strlen(path); |
| if (path[len - 1] == '/') { /* Directory? */ |
| return false; |
| } |
| return strcmp(path + len - sizeof(stat) + 1, stat); /* .../stat? */ |
| } |
| |
| static bool skip_none(const char *path) { |
| return false; |
| } |
| |
| static const char mmcblk0[] = "/sys/block/mmcblk0/"; |
| unsigned long worst_write_perf = 20000; /* in KB/s */ |
| |
| // |
| // stat offsets |
| // Name units description |
| // ---- ----- ----------- |
| // read I/Os requests number of read I/Os processed |
| #define __STAT_READ_IOS 0 |
| // read merges requests number of read I/Os merged with in-queue I/O |
| #define __STAT_READ_MERGES 1 |
| // read sectors sectors number of sectors read |
| #define __STAT_READ_SECTORS 2 |
| // read ticks milliseconds total wait time for read requests |
| #define __STAT_READ_TICKS 3 |
| // write I/Os requests number of write I/Os processed |
| #define __STAT_WRITE_IOS 4 |
| // write merges requests number of write I/Os merged with in-queue I/O |
| #define __STAT_WRITE_MERGES 5 |
| // write sectors sectors number of sectors written |
| #define __STAT_WRITE_SECTORS 6 |
| // write ticks milliseconds total wait time for write requests |
| #define __STAT_WRITE_TICKS 7 |
| // in_flight requests number of I/Os currently in flight |
| #define __STAT_IN_FLIGHT 8 |
| // io_ticks milliseconds total time this block device has been active |
| #define __STAT_IO_TICKS 9 |
| // time_in_queue milliseconds total wait time for all requests |
| #define __STAT_IN_QUEUE 10 |
| #define __STAT_NUMBER_FIELD 11 |
| // |
| // read I/Os, write I/Os |
| // ===================== |
| // |
| // These values increment when an I/O request completes. |
| // |
| // read merges, write merges |
| // ========================= |
| // |
| // These values increment when an I/O request is merged with an |
| // already-queued I/O request. |
| // |
| // read sectors, write sectors |
| // =========================== |
| // |
| // These values count the number of sectors read from or written to this |
| // block device. The "sectors" in question are the standard UNIX 512-byte |
| // sectors, not any device- or filesystem-specific block size. The |
| // counters are incremented when the I/O completes. |
| #define SECTOR_SIZE 512 |
| // |
| // read ticks, write ticks |
| // ======================= |
| // |
| // These values count the number of milliseconds that I/O requests have |
| // waited on this block device. If there are multiple I/O requests waiting, |
| // these values will increase at a rate greater than 1000/second; for |
| // example, if 60 read requests wait for an average of 30 ms, the read_ticks |
| // field will increase by 60*30 = 1800. |
| // |
| // in_flight |
| // ========= |
| // |
| // This value counts the number of I/O requests that have been issued to |
| // the device driver but have not yet completed. It does not include I/O |
| // requests that are in the queue but not yet issued to the device driver. |
| // |
| // io_ticks |
| // ======== |
| // |
| // This value counts the number of milliseconds during which the device has |
| // had I/O requests queued. |
| // |
| // time_in_queue |
| // ============= |
| // |
| // This value counts the number of milliseconds that I/O requests have waited |
| // on this block device. If there are multiple I/O requests waiting, this |
| // value will increase as the product of the number of milliseconds times the |
| // number of requests waiting (see "read ticks" above for an example). |
| #define S_TO_MS 1000 |
| // |
| |
| static int dump_stat_from_fd(const char *title __unused, const char *path, int fd) { |
| unsigned long long fields[__STAT_NUMBER_FIELD]; |
| bool z; |
| char *cp, *buffer = NULL; |
| size_t i = 0; |
| FILE *fp = fdopen(fd, "rb"); |
| getline(&buffer, &i, fp); |
| fclose(fp); |
| if (!buffer) { |
| return -errno; |
| } |
| i = strlen(buffer); |
| while ((i > 0) && (buffer[i - 1] == '\n')) { |
| buffer[--i] = '\0'; |
| } |
| if (!*buffer) { |
| free(buffer); |
| return 0; |
| } |
| z = true; |
| for (cp = buffer, i = 0; i < (sizeof(fields) / sizeof(fields[0])); ++i) { |
| fields[i] = strtoull(cp, &cp, 10); |
| if (fields[i] != 0) { |
| z = false; |
| } |
| } |
| if (z) { /* never accessed */ |
| free(buffer); |
| return 0; |
| } |
| |
| if (!strncmp(path, mmcblk0, sizeof(mmcblk0) - 1)) { |
| path += sizeof(mmcblk0) - 1; |
| } |
| |
| printf("%s: %s\n", path, buffer); |
| free(buffer); |
| |
| if (fields[__STAT_IO_TICKS]) { |
| unsigned long read_perf = 0; |
| unsigned long read_ios = 0; |
| if (fields[__STAT_READ_TICKS]) { |
| unsigned long long divisor = fields[__STAT_READ_TICKS] |
| * fields[__STAT_IO_TICKS]; |
| read_perf = ((unsigned long long)SECTOR_SIZE |
| * fields[__STAT_READ_SECTORS] |
| * fields[__STAT_IN_QUEUE] + (divisor >> 1)) |
| / divisor; |
| read_ios = ((unsigned long long)S_TO_MS * fields[__STAT_READ_IOS] |
| * fields[__STAT_IN_QUEUE] + (divisor >> 1)) |
| / divisor; |
| } |
| |
| unsigned long write_perf = 0; |
| unsigned long write_ios = 0; |
| if (fields[__STAT_WRITE_TICKS]) { |
| unsigned long long divisor = fields[__STAT_WRITE_TICKS] |
| * fields[__STAT_IO_TICKS]; |
| write_perf = ((unsigned long long)SECTOR_SIZE |
| * fields[__STAT_WRITE_SECTORS] |
| * fields[__STAT_IN_QUEUE] + (divisor >> 1)) |
| / divisor; |
| write_ios = ((unsigned long long)S_TO_MS * fields[__STAT_WRITE_IOS] |
| * fields[__STAT_IN_QUEUE] + (divisor >> 1)) |
| / divisor; |
| } |
| |
| unsigned queue = (fields[__STAT_IN_QUEUE] |
| + (fields[__STAT_IO_TICKS] >> 1)) |
| / fields[__STAT_IO_TICKS]; |
| |
| if (!write_perf && !write_ios) { |
| printf("%s: perf(ios) rd: %luKB/s(%lu/s) q: %u\n", |
| path, read_perf, read_ios, queue); |
| } else { |
| printf("%s: perf(ios) rd: %luKB/s(%lu/s) wr: %luKB/s(%lu/s) q: %u\n", |
| path, read_perf, read_ios, write_perf, write_ios, queue); |
| } |
| |
| /* bugreport timeout factor adjustment */ |
| if ((write_perf > 1) && (write_perf < worst_write_perf)) { |
| worst_write_perf = write_perf; |
| } |
| } |
| return 0; |
| } |
| |
| /* Copied policy from system/core/logd/LogBuffer.cpp */ |
| |
| #define LOG_BUFFER_SIZE (256 * 1024) |
| #define LOG_BUFFER_MIN_SIZE (64 * 1024UL) |
| #define LOG_BUFFER_MAX_SIZE (256 * 1024 * 1024UL) |
| |
| static bool valid_size(unsigned long value) { |
| if ((value < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < value)) { |
| return false; |
| } |
| |
| long pages = sysconf(_SC_PHYS_PAGES); |
| if (pages < 1) { |
| return true; |
| } |
| |
| long pagesize = sysconf(_SC_PAGESIZE); |
| if (pagesize <= 1) { |
| pagesize = PAGE_SIZE; |
| } |
| |
| // maximum memory impact a somewhat arbitrary ~3% |
| pages = (pages + 31) / 32; |
| unsigned long maximum = pages * pagesize; |
| |
| if ((maximum < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < maximum)) { |
| return true; |
| } |
| |
| return value <= maximum; |
| } |
| |
| static unsigned long property_get_size(const char *key) { |
| unsigned long value; |
| char *cp, property[PROPERTY_VALUE_MAX]; |
| |
| property_get(key, property, ""); |
| value = strtoul(property, &cp, 10); |
| |
| switch(*cp) { |
| case 'm': |
| case 'M': |
| value *= 1024; |
| /* FALLTHRU */ |
| case 'k': |
| case 'K': |
| value *= 1024; |
| /* FALLTHRU */ |
| case '\0': |
| break; |
| |
| default: |
| value = 0; |
| } |
| |
| if (!valid_size(value)) { |
| value = 0; |
| } |
| |
| return value; |
| } |
| |
| /* timeout in ms */ |
| static unsigned long logcat_timeout(const char *name) { |
| static const char global_tuneable[] = "persist.logd.size"; // Settings App |
| static const char global_default[] = "ro.logd.size"; // BoardConfig.mk |
| char key[PROP_NAME_MAX]; |
| unsigned long property_size, default_size; |
| |
| default_size = property_get_size(global_tuneable); |
| if (!default_size) { |
| default_size = property_get_size(global_default); |
| } |
| |
| snprintf(key, sizeof(key), "%s.%s", global_tuneable, name); |
| property_size = property_get_size(key); |
| |
| if (!property_size) { |
| snprintf(key, sizeof(key), "%s.%s", global_default, name); |
| property_size = property_get_size(key); |
| } |
| |
| if (!property_size) { |
| property_size = default_size; |
| } |
| |
| if (!property_size) { |
| property_size = LOG_BUFFER_SIZE; |
| } |
| |
| /* Engineering margin is ten-fold our guess */ |
| return 10 * (property_size + worst_write_perf) / worst_write_perf; |
| } |
| |
| /* End copy from system/core/logd/LogBuffer.cpp */ |
| |
| /* dumps the current system state to stdout */ |
| static void print_header(std::string version) { |
| char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX]; |
| char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX]; |
| char network[PROPERTY_VALUE_MAX], date[80]; |
| |
| property_get("ro.build.display.id", build, "(unknown)"); |
| property_get("ro.build.fingerprint", fingerprint, "(unknown)"); |
| property_get("ro.build.type", build_type, "(unknown)"); |
| property_get("ro.baseband", radio, "(unknown)"); |
| property_get("ro.bootloader", bootloader, "(unknown)"); |
| property_get("gsm.operator.alpha", network, "(unknown)"); |
| strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now)); |
| |
| printf("========================================================\n"); |
| printf("== dumpstate: %s\n", date); |
| printf("========================================================\n"); |
| |
| printf("\n"); |
| printf("Build: %s\n", build); |
| printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */ |
| printf("Bootloader: %s\n", bootloader); |
| printf("Radio: %s\n", radio); |
| printf("Network: %s\n", network); |
| |
| printf("Kernel: "); |
| dump_file(NULL, "/proc/version"); |
| printf("Command line: %s\n", strtok(cmdline_buf, "\n")); |
| printf("Bugreport format version: %s\n", version.c_str()); |
| printf("Dumpstate info: id=%lu pid=%d\n", id, getpid()); |
| printf("\n"); |
| } |
| |
| bool add_zip_entry_from_fd(const std::string& entry_name, int fd) { |
| if (!zip_writer) { |
| MYLOGD("Not adding zip entry %s from fd because zip_writer is not set\n", |
| entry_name.c_str()); |
| return false; |
| } |
| // Logging statement below is useful to time how long each entry takes, but it's too verbose. |
| // MYLOGD("Adding zip entry %s\n", entry_name.c_str()); |
| int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(), |
| ZipWriter::kCompress, get_mtime(fd, now)); |
| if (err) { |
| MYLOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(), |
| ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| std::vector<uint8_t> buffer(65536); |
| while (1) { |
| ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer.data(), sizeof(buffer))); |
| if (bytes_read == 0) { |
| break; |
| } else if (bytes_read == -1) { |
| MYLOGE("read(%s): %s\n", entry_name.c_str(), strerror(errno)); |
| return false; |
| } |
| err = zip_writer->WriteBytes(buffer.data(), bytes_read); |
| if (err) { |
| MYLOGE("zip_writer->WriteBytes(): %s\n", ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| } |
| |
| err = zip_writer->FinishEntry(); |
| if (err) { |
| MYLOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool add_zip_entry(const std::string& entry_name, const std::string& entry_path) { |
| ScopedFd fd(TEMP_FAILURE_RETRY(open(entry_path.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC))); |
| if (fd.get() == -1) { |
| MYLOGE("open(%s): %s\n", entry_path.c_str(), strerror(errno)); |
| return false; |
| } |
| |
| return add_zip_entry_from_fd(entry_name, fd.get()); |
| } |
| |
| /* adds a file to the existing zipped bugreport */ |
| static int _add_file_from_fd(const char *title, const char *path, int fd) { |
| return add_zip_entry_from_fd(ZIP_ROOT_DIR + path, fd) ? 0 : 1; |
| } |
| |
| void add_dir(const char *dir, bool recursive) { |
| if (!zip_writer) { |
| MYLOGD("Not adding dir %s because zip_writer is not set\n", dir); |
| return; |
| } |
| MYLOGD("Adding dir %s (recursive: %d)\n", dir, recursive); |
| DurationReporter duration_reporter(dir, NULL); |
| dump_files(NULL, dir, recursive ? skip_none : is_dir, _add_file_from_fd); |
| } |
| |
| /* adds a text entry entry to the existing zip file. */ |
| static bool add_text_zip_entry(const std::string& entry_name, const std::string& content) { |
| if (!zip_writer) { |
| MYLOGD("Not adding text zip entry %s because zip_writer is not set\n", entry_name.c_str()); |
| return false; |
| } |
| MYLOGD("Adding zip text entry %s\n", entry_name.c_str()); |
| int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(), ZipWriter::kCompress, now); |
| if (err) { |
| MYLOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(), |
| ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| err = zip_writer->WriteBytes(content.c_str(), content.length()); |
| if (err) { |
| MYLOGE("zip_writer->WriteBytes(%s): %s\n", entry_name.c_str(), |
| ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| err = zip_writer->FinishEntry(); |
| if (err) { |
| MYLOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static void dump_iptables() { |
| run_command("IPTABLES", 10, "iptables", "-L", "-nvx", NULL); |
| run_command("IP6TABLES", 10, "ip6tables", "-L", "-nvx", NULL); |
| run_command("IPTABLE NAT", 10, "iptables", "-t", "nat", "-L", "-nvx", NULL); |
| /* no ip6 nat */ |
| run_command("IPTABLE RAW", 10, "iptables", "-t", "raw", "-L", "-nvx", NULL); |
| run_command("IP6TABLE RAW", 10, "ip6tables", "-t", "raw", "-L", "-nvx", NULL); |
| } |
| |
| static void dumpstate(const std::string& screenshot_path, const std::string& version) { |
| DurationReporter duration_reporter("DUMPSTATE"); |
| unsigned long timeout; |
| |
| dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version"); |
| run_command("UPTIME", 10, "uptime", NULL); |
| dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd); |
| dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd"); |
| dump_file("MEMORY INFO", "/proc/meminfo"); |
| run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-H", NULL); |
| run_command("PROCRANK", 20, SU_PATH, "root", "procrank", NULL); |
| dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat"); |
| dump_file("VMALLOC INFO", "/proc/vmallocinfo"); |
| dump_file("SLAB INFO", "/proc/slabinfo"); |
| dump_file("ZONEINFO", "/proc/zoneinfo"); |
| dump_file("PAGETYPEINFO", "/proc/pagetypeinfo"); |
| dump_file("BUDDYINFO", "/proc/buddyinfo"); |
| dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index"); |
| |
| dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources"); |
| dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state"); |
| dump_file("KERNEL SYNC", "/d/sync"); |
| |
| run_command("PROCESSES AND THREADS", 10, "ps", "-Z", "-t", "-p", "-P", NULL); |
| run_command("LIBRANK", 10, SU_PATH, "root", "librank", NULL); |
| |
| run_command("PRINTENV", 10, "printenv", NULL); |
| run_command("NETSTAT", 10, "netstat", "-n", NULL); |
| run_command("LSMOD", 10, "lsmod", NULL); |
| |
| do_dmesg(); |
| |
| run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL); |
| for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES"); |
| for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS"); |
| for_each_pid(show_showtime, "PROCESS TIMES (pid cmd user system iowait+percentage)"); |
| |
| if (!screenshot_path.empty()) { |
| MYLOGI("taking late screenshot\n"); |
| take_screenshot(screenshot_path); |
| MYLOGI("wrote screenshot: %s\n", screenshot_path.c_str()); |
| } |
| |
| // dump_file("EVENT LOG TAGS", "/etc/event-log-tags"); |
| // calculate timeout |
| timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash"); |
| if (timeout < 20000) { |
| timeout = 20000; |
| } |
| run_command("SYSTEM LOG", timeout / 1000, "logcat", "-v", "threadtime", |
| "-v", "printable", |
| "-d", |
| "*:v", NULL); |
| timeout = logcat_timeout("events"); |
| if (timeout < 20000) { |
| timeout = 20000; |
| } |
| run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events", |
| "-v", "threadtime", |
| "-v", "printable", |
| "-d", |
| "*:v", NULL); |
| timeout = logcat_timeout("radio"); |
| if (timeout < 20000) { |
| timeout = 20000; |
| } |
| run_command("RADIO LOG", timeout / 1000, "logcat", "-b", "radio", |
| "-v", "threadtime", |
| "-v", "printable", |
| "-d", |
| "*:v", NULL); |
| |
| run_command("LOG STATISTICS", 10, "logcat", "-b", "all", "-S", NULL); |
| |
| run_command("RAFT LOGS", 600, SU_PATH, "root", "logcompressor", "-r", RAFT_DIR, NULL); |
| |
| /* show the traces we collected in main(), if that was done */ |
| if (dump_traces_path != NULL) { |
| dump_file("VM TRACES JUST NOW", dump_traces_path); |
| } |
| |
| /* only show ANR traces if they're less than 15 minutes old */ |
| struct stat st; |
| char anr_traces_path[PATH_MAX]; |
| property_get("dalvik.vm.stack-trace-file", anr_traces_path, ""); |
| if (!anr_traces_path[0]) { |
| printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n"); |
| } else { |
| int fd = TEMP_FAILURE_RETRY(open(anr_traces_path, |
| O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); |
| if (fd < 0) { |
| printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno)); |
| } else { |
| dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path, fd); |
| } |
| } |
| |
| /* slow traces for slow operations */ |
| if (anr_traces_path[0] != 0) { |
| int tail = strlen(anr_traces_path)-1; |
| while (tail > 0 && anr_traces_path[tail] != '/') { |
| tail--; |
| } |
| int i = 0; |
| while (1) { |
| sprintf(anr_traces_path+tail+1, "slow%02d.txt", i); |
| if (stat(anr_traces_path, &st)) { |
| // No traces file at this index, done with the files. |
| break; |
| } |
| dump_file("VM TRACES WHEN SLOW", anr_traces_path); |
| i++; |
| } |
| } |
| |
| int dumped = 0; |
| for (size_t i = 0; i < NUM_TOMBSTONES; i++) { |
| if (tombstone_data[i].fd != -1) { |
| const char *name = tombstone_data[i].name; |
| int fd = tombstone_data[i].fd; |
| dumped = 1; |
| if (zip_writer) { |
| if (!add_zip_entry_from_fd(ZIP_ROOT_DIR + name, fd)) { |
| MYLOGE("Unable to add tombstone %s to zip file\n", name); |
| } |
| } else { |
| dump_file_from_fd("TOMBSTONE", name, fd); |
| } |
| close(fd); |
| tombstone_data[i].fd = -1; |
| } |
| } |
| if (!dumped) { |
| printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR); |
| } |
| |
| dump_file("NETWORK DEV INFO", "/proc/net/dev"); |
| dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all"); |
| dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt"); |
| dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl"); |
| dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats"); |
| |
| if (!stat(PSTORE_LAST_KMSG, &st)) { |
| /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */ |
| dump_file("LAST KMSG", PSTORE_LAST_KMSG); |
| } else if (!stat(ALT_PSTORE_LAST_KMSG, &st)) { |
| dump_file("LAST KMSG", ALT_PSTORE_LAST_KMSG); |
| } else { |
| /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */ |
| dump_file("LAST KMSG", "/proc/last_kmsg"); |
| } |
| |
| /* kernels must set CONFIG_PSTORE_PMSG, slice up pstore with device tree */ |
| run_command("LAST LOGCAT", 10, "logcat", "-L", |
| "-b", "all", |
| "-v", "threadtime", |
| "-v", "printable", |
| "-d", |
| "*:v", NULL); |
| |
| /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */ |
| |
| run_command("NETWORK INTERFACES", 10, "ip", "link", NULL); |
| |
| run_command("IPv4 ADDRESSES", 10, "ip", "-4", "addr", "show", NULL); |
| run_command("IPv6 ADDRESSES", 10, "ip", "-6", "addr", "show", NULL); |
| |
| run_command("IP RULES", 10, "ip", "rule", "show", NULL); |
| run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL); |
| |
| dump_route_tables(); |
| |
| run_command("ARP CACHE", 10, "ip", "-4", "neigh", "show", NULL); |
| run_command("IPv6 ND CACHE", 10, "ip", "-6", "neigh", "show", NULL); |
| run_command("MULTICAST ADDRESSES", 10, "ip", "maddr", NULL); |
| run_command("WIFI NETWORKS", 20, "wpa_cli", "IFNAME=wlan0", "list_networks", NULL); |
| |
| #ifdef FWDUMP_bcmdhd |
| run_command("ND OFFLOAD TABLE", 5, |
| SU_PATH, "root", WLUTIL, "nd_hostip", NULL); |
| |
| run_command("DUMP WIFI INTERNAL COUNTERS (1)", 20, |
| SU_PATH, "root", WLUTIL, "counters", NULL); |
| |
| run_command("ND OFFLOAD STATUS (1)", 5, |
| SU_PATH, "root", WLUTIL, "nd_status", NULL); |
| |
| #endif |
| dump_file("INTERRUPTS (1)", "/proc/interrupts"); |
| |
| run_command("NETWORK DIAGNOSTICS", 10, "dumpsys", "-t", "10", "connectivity", "--diag", NULL); |
| |
| #ifdef FWDUMP_bcmdhd |
| run_command("DUMP WIFI STATUS", 20, |
| SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL); |
| |
| run_command("DUMP WIFI INTERNAL COUNTERS (2)", 20, |
| SU_PATH, "root", WLUTIL, "counters", NULL); |
| |
| run_command("ND OFFLOAD STATUS (2)", 5, |
| SU_PATH, "root", WLUTIL, "nd_status", NULL); |
| #endif |
| dump_file("INTERRUPTS (2)", "/proc/interrupts"); |
| |
| print_properties(); |
| |
| run_command("VOLD DUMP", 10, "vdc", "dump", NULL); |
| run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL); |
| |
| run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL); |
| |
| run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL); |
| |
| printf("------ BACKLIGHTS ------\n"); |
| printf("LCD brightness="); |
| dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness"); |
| printf("Button brightness="); |
| dump_file(NULL, "/sys/class/leds/button-backlight/brightness"); |
| printf("Keyboard brightness="); |
| dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness"); |
| printf("ALS mode="); |
| dump_file(NULL, "/sys/class/leds/lcd-backlight/als"); |
| printf("LCD driver registers:\n"); |
| dump_file(NULL, "/sys/class/leds/lcd-backlight/registers"); |
| printf("\n"); |
| |
| /* Binder state is expensive to look at as it uses a lot of memory. */ |
| dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log"); |
| dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log"); |
| dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions"); |
| dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats"); |
| dump_file("BINDER STATE", "/sys/kernel/debug/binder/state"); |
| |
| printf("========================================================\n"); |
| printf("== Board\n"); |
| printf("========================================================\n"); |
| |
| dumpstate_board(); |
| printf("\n"); |
| |
| /* Migrate the ril_dumpstate to a dumpstate_board()? */ |
| char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0}; |
| property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30"); |
| if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) { |
| if (is_user_build()) { |
| // su does not exist on user builds, so try running without it. |
| // This way any implementations of vril-dump that do not require |
| // root can run on user builds. |
| run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout), |
| "vril-dump", NULL); |
| } else { |
| run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout), |
| SU_PATH, "root", "vril-dump", NULL); |
| } |
| } |
| |
| printf("========================================================\n"); |
| printf("== Android Framework Services\n"); |
| printf("========================================================\n"); |
| |
| run_command("DUMPSYS", 60, "dumpsys", "-t", "60", "--skip", "meminfo", "cpuinfo", NULL); |
| |
| printf("========================================================\n"); |
| printf("== Checkins\n"); |
| printf("========================================================\n"); |
| |
| run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "-t", "30", "batterystats", "-c", NULL); |
| run_command("CHECKIN MEMINFO", 30, "dumpsys", "-t", "30", "meminfo", "--checkin", NULL); |
| run_command("CHECKIN NETSTATS", 30, "dumpsys", "-t", "30", "netstats", "--checkin", NULL); |
| run_command("CHECKIN PROCSTATS", 30, "dumpsys", "-t", "30", "procstats", "-c", NULL); |
| run_command("CHECKIN USAGESTATS", 30, "dumpsys", "-t", "30", "usagestats", "-c", NULL); |
| run_command("CHECKIN PACKAGE", 30, "dumpsys", "-t", "30", "package", "--checkin", NULL); |
| |
| printf("========================================================\n"); |
| printf("== Running Application Activities\n"); |
| printf("========================================================\n"); |
| |
| run_command("APP ACTIVITIES", 30, "dumpsys", "-t", "30", "activity", "all", NULL); |
| |
| printf("========================================================\n"); |
| printf("== Running Application Services\n"); |
| printf("========================================================\n"); |
| |
| run_command("APP SERVICES", 30, "dumpsys", "-t", "30", "activity", "service", "all", NULL); |
| |
| printf("========================================================\n"); |
| printf("== Running Application Providers\n"); |
| printf("========================================================\n"); |
| |
| run_command("APP SERVICES", 30, "dumpsys", "-t", "30", "activity", "provider", "all", NULL); |
| |
| |
| printf("========================================================\n"); |
| printf("== Final progress (pid %d): %d/%d (originally %d)\n", |
| getpid(), progress, weight_total, WEIGHT_TOTAL); |
| printf("========================================================\n"); |
| printf("== dumpstate: done\n"); |
| printf("========================================================\n"); |
| } |
| |
| static void usage() { |
| fprintf(stderr, |
| "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o file [-d] [-p] " |
| "[-z]] [-s] [-S] [-q] [-B] [-P] [-R] [-V version]\n" |
| " -h: display this help message\n" |
| " -b: play sound file instead of vibrate, at beginning of job\n" |
| " -e: play sound file instead of vibrate, at end of job\n" |
| " -o: write to file (instead of stdout)\n" |
| " -d: append date to filename (requires -o)\n" |
| " -p: capture screenshot to filename.png (requires -o)\n" |
| " -z: generate zipped file (requires -o)\n" |
| " -s: write output to control socket (for init)\n" |
| " -S: write file location to control socket (for init; requires -o and -z)" |
| " -q: disable vibrate\n" |
| " -B: send broadcast when finished (requires -o)\n" |
| " -P: send broadcast when started and update system properties on " |
| "progress (requires -o and -B)\n" |
| " -R: take bugreport in remote mode (requires -o, -z, -d and -B, " |
| "shouldn't be used with -P)\n" |
| " -V: sets the bugreport format version (valid values: %s)\n", |
| VERSION_DEFAULT.c_str()); |
| } |
| |
| static void sigpipe_handler(int n) { |
| // don't complain to stderr or stdout |
| _exit(EXIT_FAILURE); |
| } |
| |
| /* adds the temporary report to the existing .zip file, closes the .zip file, and removes the |
| temporary file. |
| */ |
| static bool finish_zip_file(const std::string& bugreport_name, const std::string& bugreport_path, |
| time_t now) { |
| if (!add_zip_entry(bugreport_name, bugreport_path)) { |
| MYLOGE("Failed to add text entry to .zip file\n"); |
| return false; |
| } |
| if (!add_text_zip_entry("main_entry.txt", bugreport_name)) { |
| MYLOGE("Failed to add main_entry.txt to .zip file\n"); |
| return false; |
| } |
| |
| int32_t err = zip_writer->Finish(); |
| if (err) { |
| MYLOGE("zip_writer->Finish(): %s\n", ZipWriter::ErrorCodeString(err)); |
| return false; |
| } |
| |
| if (is_user_build()) { |
| MYLOGD("Removing temporary file %s\n", bugreport_path.c_str()) |
| if (remove(bugreport_path.c_str())) { |
| ALOGW("remove(%s): %s\n", bugreport_path.c_str(), strerror(errno)); |
| } |
| } else { |
| MYLOGD("Keeping temporary file %s on non-user build\n", bugreport_path.c_str()) |
| } |
| |
| return true; |
| } |
| |
| static std::string SHA256_file_hash(std::string filepath) { |
| ScopedFd fd(TEMP_FAILURE_RETRY(open(filepath.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC |
| | O_NOFOLLOW))); |
| if (fd.get() == -1) { |
| MYLOGE("open(%s): %s\n", filepath.c_str(), strerror(errno)); |
| return NULL; |
| } |
| |
| SHA256_CTX ctx; |
| SHA256_init(&ctx); |
| |
| std::vector<uint8_t> buffer(65536); |
| while (1) { |
| ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd.get(), buffer.data(), buffer.size())); |
| if (bytes_read == 0) { |
| break; |
| } else if (bytes_read == -1) { |
| MYLOGE("read(%s): %s\n", filepath.c_str(), strerror(errno)); |
| return NULL; |
| } |
| |
| SHA256_update(&ctx, buffer.data(), bytes_read); |
| } |
| |
| uint8_t hash[SHA256_DIGEST_SIZE]; |
| memcpy(hash, SHA256_final(&ctx), SHA256_DIGEST_SIZE); |
| char hash_buffer[SHA256_DIGEST_SIZE * 2 + 1]; |
| for(size_t i = 0; i < SHA256_DIGEST_SIZE; i++) { |
| sprintf(hash_buffer + (i * 2), "%02x", hash[i]); |
| } |
| hash_buffer[sizeof(hash_buffer) - 1] = 0; |
| return std::string(hash_buffer); |
| } |
| |
| int main(int argc, char *argv[]) { |
| struct sigaction sigact; |
| int do_add_date = 0; |
| int do_zip_file = 0; |
| int do_vibrate = 1; |
| char* use_outfile = 0; |
| int use_socket = 0; |
| int use_control_socket = 0; |
| int do_fb = 0; |
| int do_broadcast = 0; |
| int do_early_screenshot = 0; |
| int is_remote_mode = 0; |
| std::string version = VERSION_DEFAULT; |
| |
| now = time(NULL); |
| |
| MYLOGI("begin\n"); |
| |
| /* gets the sequential id */ |
| char last_id[PROPERTY_VALUE_MAX]; |
| property_get("dumpstate.last_id", last_id, "0"); |
| id = strtoul(last_id, NULL, 10) + 1; |
| snprintf(last_id, sizeof(last_id), "%lu", id); |
| property_set("dumpstate.last_id", last_id); |
| MYLOGI("dumpstate id: %lu\n", id); |
| |
| /* clear SIGPIPE handler */ |
| memset(&sigact, 0, sizeof(sigact)); |
| sigact.sa_handler = sigpipe_handler; |
| sigaction(SIGPIPE, &sigact, NULL); |
| |
| /* set as high priority, and protect from OOM killer */ |
| setpriority(PRIO_PROCESS, 0, -20); |
| FILE *oom_adj = fopen("/proc/self/oom_adj", "we"); |
| if (oom_adj) { |
| fputs("-17", oom_adj); |
| fclose(oom_adj); |
| } |
| |
| /* parse arguments */ |
| std::string args; |
| format_args(argc, const_cast<const char **>(argv), &args); |
| MYLOGD("Dumpstate command line: %s\n", args.c_str()); |
| int c; |
| while ((c = getopt(argc, argv, "dho:svqzpPBRSV:")) != -1) { |
| switch (c) { |
| case 'd': do_add_date = 1; break; |
| case 'z': do_zip_file = 1; break; |
| case 'o': use_outfile = optarg; break; |
| case 's': use_socket = 1; break; |
| case 'S': use_control_socket = 1; break; |
| case 'v': break; // compatibility no-op |
| case 'q': do_vibrate = 0; break; |
| case 'p': do_fb = 1; break; |
| case 'P': do_update_progress = 1; break; |
| case 'R': is_remote_mode = 1; break; |
| case 'B': do_broadcast = 1; break; |
| case 'V': version = optarg; break; |
| case '?': printf("\n"); |
| case 'h': |
| usage(); |
| exit(1); |
| } |
| } |
| |
| if ((do_zip_file || do_add_date || do_update_progress || do_broadcast) && !use_outfile) { |
| usage(); |
| exit(1); |
| } |
| |
| if (use_control_socket && !do_zip_file) { |
| usage(); |
| exit(1); |
| } |
| |
| if (do_update_progress && !do_broadcast) { |
| usage(); |
| exit(1); |
| } |
| |
| if (is_remote_mode && (do_update_progress || !do_broadcast || !do_zip_file || !do_add_date)) { |
| usage(); |
| exit(1); |
| } |
| |
| if (version != VERSION_DEFAULT) { |
| usage(); |
| exit(1); |
| } |
| |
| MYLOGI("bugreport format version: %s\n", version.c_str()); |
| |
| do_early_screenshot = do_update_progress; |
| |
| // If we are going to use a socket, do it as early as possible |
| // to avoid timeouts from bugreport. |
| if (use_socket) { |
| redirect_to_socket(stdout, "dumpstate"); |
| } |
| |
| if (use_control_socket) { |
| MYLOGD("Opening control socket\n"); |
| control_socket_fd = open_socket("dumpstate"); |
| } |
| |
| /* full path of the temporary file containing the bugreport */ |
| std::string tmp_path; |
| |
| /* full path of the file containing the dumpstate logs*/ |
| std::string log_path; |
| |
| /* full path of the systrace file, when enabled */ |
| std::string systrace_path; |
| |
| /* full path of the temporary file containing the screenshot (when requested) */ |
| std::string screenshot_path; |
| |
| /* base name (without suffix or extensions) of the bugreport files */ |
| std::string base_name; |
| |
| /* pointer to the actual path, be it zip or text */ |
| std::string path; |
| |
| /* pointer to the zipped file */ |
| std::unique_ptr<FILE, int(*)(FILE*)> zip_file(NULL, fclose); |
| |
| /* redirect output if needed */ |
| bool is_redirecting = !use_socket && use_outfile; |
| |
| if (is_redirecting) { |
| bugreport_dir = dirname(use_outfile); |
| base_name = basename(use_outfile); |
| if (do_add_date) { |
| char date[80]; |
| strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&now)); |
| suffix = date; |
| } else { |
| suffix = "undated"; |
| } |
| char build_id[PROPERTY_VALUE_MAX]; |
| property_get("ro.build.id", build_id, "UNKNOWN_BUILD"); |
| base_name = base_name + "-" + build_id; |
| if (do_fb) { |
| // TODO: if dumpstate was an object, the paths could be internal variables and then |
| // we could have a function to calculate the derived values, such as: |
| // screenshot_path = GetPath(".png"); |
| screenshot_path = bugreport_dir + "/" + base_name + "-" + suffix + ".png"; |
| } |
| tmp_path = bugreport_dir + "/" + base_name + "-" + suffix + ".tmp"; |
| log_path = bugreport_dir + "/dumpstate_log-" + suffix + "-" |
| + std::to_string(getpid()) + ".txt"; |
| |
| MYLOGD("Bugreport dir: %s\n" |
| "Base name: %s\n" |
| "Suffix: %s\n" |
| "Log path: %s\n" |
| "Temporary path: %s\n" |
| "Screenshot path: %s\n", |
| bugreport_dir.c_str(), base_name.c_str(), suffix.c_str(), |
| log_path.c_str(), tmp_path.c_str(), screenshot_path.c_str()); |
| |
| if (do_zip_file) { |
| path = bugreport_dir + "/" + base_name + "-" + suffix + ".zip"; |
| MYLOGD("Creating initial .zip file (%s)\n", path.c_str()); |
| create_parent_dirs(path.c_str()); |
| zip_file.reset(fopen(path.c_str(), "wb")); |
| if (!zip_file) { |
| MYLOGE("fopen(%s, 'wb'): %s\n", path.c_str(), strerror(errno)); |
| do_zip_file = 0; |
| } else { |
| zip_writer.reset(new ZipWriter(zip_file.get())); |
| } |
| add_text_zip_entry("version.txt", version); |
| } |
| |
| if (do_update_progress) { |
| std::vector<std::string> am_args = { |
| "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", |
| "--es", "android.intent.extra.NAME", suffix, |
| "--ei", "android.intent.extra.ID", std::to_string(id), |
| "--ei", "android.intent.extra.PID", std::to_string(getpid()), |
| "--ei", "android.intent.extra.MAX", std::to_string(WEIGHT_TOTAL), |
| }; |
| send_broadcast("android.intent.action.BUGREPORT_STARTED", am_args); |
| } |
| } |
| |
| /* read /proc/cmdline before dropping root */ |
| FILE *cmdline = fopen("/proc/cmdline", "re"); |
| if (cmdline) { |
| fgets(cmdline_buf, sizeof(cmdline_buf), cmdline); |
| fclose(cmdline); |
| } |
| |
| /* open the vibrator before dropping root */ |
| std::unique_ptr<FILE, int(*)(FILE*)> vibrator(NULL, fclose); |
| if (do_vibrate) { |
| vibrator.reset(fopen("/sys/class/timed_output/vibrator/enable", "we")); |
| if (vibrator) { |
| vibrate(vibrator.get(), 150); |
| } |
| } |
| |
| if (do_fb && do_early_screenshot) { |
| if (screenshot_path.empty()) { |
| // should not have happened |
| MYLOGE("INTERNAL ERROR: skipping early screenshot because path was not set\n"); |
| } else { |
| MYLOGI("taking early screenshot\n"); |
| take_screenshot(screenshot_path); |
| MYLOGI("wrote screenshot: %s\n", screenshot_path.c_str()); |
| if (chown(screenshot_path.c_str(), AID_SHELL, AID_SHELL)) { |
| MYLOGE("Unable to change ownership of screenshot file %s: %s\n", |
| screenshot_path.c_str(), strerror(errno)); |
| } |
| } |
| } |
| |
| if (do_zip_file) { |
| if (chown(path.c_str(), AID_SHELL, AID_SHELL)) { |
| MYLOGE("Unable to change ownership of zip file %s: %s\n", path.c_str(), strerror(errno)); |
| } |
| } |
| |
| if (is_redirecting) { |
| redirect_to_file(stderr, const_cast<char*>(log_path.c_str())); |
| if (chown(log_path.c_str(), AID_SHELL, AID_SHELL)) { |
| MYLOGE("Unable to change ownership of dumpstate log file %s: %s\n", |
| log_path.c_str(), strerror(errno)); |
| } |
| /* TODO: rather than generating a text file now and zipping it later, |
| it would be more efficient to redirect stdout to the zip entry |
| directly, but the libziparchive doesn't support that option yet. */ |
| redirect_to_file(stdout, const_cast<char*>(tmp_path.c_str())); |
| if (chown(tmp_path.c_str(), AID_SHELL, AID_SHELL)) { |
| MYLOGE("Unable to change ownership of temporary bugreport file %s: %s\n", |
| tmp_path.c_str(), strerror(errno)); |
| } |
| } |
| // NOTE: there should be no stdout output until now, otherwise it would break the header. |
| // In particular, DurationReport objects should be created passing 'title, NULL', so their |
| // duration is logged into MYLOG instead. |
| print_header(version); |
| |
| // Dumps systrace right away, otherwise it will be filled with unnecessary events. |
| dump_systrace(); |
| |
| // Invoking the following dumpsys calls before dump_traces() to try and |
| // keep the system stats as close to its initial state as possible. |
| run_command_as_shell("DUMPSYS MEMINFO", 30, "dumpsys", "-t", "30", "meminfo", "-a", NULL); |
| run_command_as_shell("DUMPSYS CPUINFO", 10, "dumpsys", "-t", "10", "cpuinfo", "-a", NULL); |
| |
| /* collect stack traces from Dalvik and native processes (needs root) */ |
| dump_traces_path = dump_traces(); |
| |
| /* Run some operations that require root. */ |
| get_tombstone_fds(tombstone_data); |
| add_dir(RECOVERY_DIR, true); |
| add_dir(RECOVERY_DATA_DIR, true); |
| add_dir(LOGPERSIST_DATA_DIR, false); |
| add_mountinfo(); |
| dump_iptables(); |
| |
| if (!drop_root_user()) { |
| return -1; |
| } |
| |
| dumpstate(do_early_screenshot ? "": screenshot_path, version); |
| |
| /* close output if needed */ |
| if (is_redirecting) { |
| fclose(stdout); |
| } |
| |
| /* rename or zip the (now complete) .tmp file to its final location */ |
| if (use_outfile) { |
| |
| /* check if user changed the suffix using system properties */ |
| char key[PROPERTY_KEY_MAX]; |
| char value[PROPERTY_VALUE_MAX]; |
| snprintf(key, sizeof(key), "dumpstate.%d.name", getpid()); |
| property_get(key, value, ""); |
| bool change_suffix= false; |
| if (value[0]) { |
| /* must whitelist which characters are allowed, otherwise it could cross directories */ |
| std::regex valid_regex("^[-_a-zA-Z0-9]+$"); |
| if (std::regex_match(value, valid_regex)) { |
| change_suffix = true; |
| } else { |
| MYLOGE("invalid suffix provided by user: %s\n", value); |
| } |
| } |
| if (change_suffix) { |
| MYLOGI("changing suffix from %s to %s\n", suffix.c_str(), value); |
| suffix = value; |
| if (!screenshot_path.empty()) { |
| std::string new_screenshot_path = |
| bugreport_dir + "/" + base_name + "-" + suffix + ".png"; |
| if (rename(screenshot_path.c_str(), new_screenshot_path.c_str())) { |
| MYLOGE("rename(%s, %s): %s\n", screenshot_path.c_str(), |
| new_screenshot_path.c_str(), strerror(errno)); |
| } else { |
| screenshot_path = new_screenshot_path; |
| } |
| } |
| } |
| |
| bool do_text_file = true; |
| if (do_zip_file) { |
| std::string entry_name = base_name + "-" + suffix + ".txt"; |
| MYLOGD("Adding main entry (%s) to .zip bugreport\n", entry_name.c_str()); |
| if (!finish_zip_file(entry_name, tmp_path, now)) { |
| MYLOGE("Failed to finish zip file; sending text bugreport instead\n"); |
| do_text_file = true; |
| } else { |
| do_text_file = false; |
| // Since zip file is already created, it needs to be renamed. |
| std::string new_path = bugreport_dir + "/" + base_name + "-" + suffix + ".zip"; |
| if (path != new_path) { |
| MYLOGD("Renaming zip file from %s to %s\n", path.c_str(), new_path.c_str()); |
| if (rename(path.c_str(), new_path.c_str())) { |
| MYLOGE("rename(%s, %s): %s\n", path.c_str(), |
| new_path.c_str(), strerror(errno)); |
| } else { |
| path = new_path; |
| } |
| } |
| } |
| } |
| if (do_text_file) { |
| path = bugreport_dir + "/" + base_name + "-" + suffix + ".txt"; |
| MYLOGD("Generating .txt bugreport at %s from %s\n", path.c_str(), tmp_path.c_str()); |
| if (rename(tmp_path.c_str(), path.c_str())) { |
| MYLOGE("rename(%s, %s): %s\n", tmp_path.c_str(), path.c_str(), strerror(errno)); |
| path.clear(); |
| } |
| } |
| if (use_control_socket) { |
| if (do_text_file) { |
| dprintf(control_socket_fd, "FAIL:could not create zip file, check %s " |
| "for more details\n", log_path.c_str()); |
| } else { |
| dprintf(control_socket_fd, "OK:%s\n", path.c_str()); |
| } |
| } |
| } |
| |
| /* vibrate a few but shortly times to let user know it's finished */ |
| if (vibrator) { |
| for (int i = 0; i < 3; i++) { |
| vibrate(vibrator.get(), 75); |
| usleep((75 + 50) * 1000); |
| } |
| } |
| |
| /* tell activity manager we're done */ |
| if (do_broadcast) { |
| if (!path.empty()) { |
| MYLOGI("Final bugreport path: %s\n", path.c_str()); |
| std::vector<std::string> am_args = { |
| "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", |
| "--ei", "android.intent.extra.ID", std::to_string(id), |
| "--ei", "android.intent.extra.PID", std::to_string(getpid()), |
| "--ei", "android.intent.extra.MAX", std::to_string(weight_total), |
| "--es", "android.intent.extra.BUGREPORT", path, |
| "--es", "android.intent.extra.DUMPSTATE_LOG", log_path |
| }; |
| if (do_fb) { |
| am_args.push_back("--es"); |
| am_args.push_back("android.intent.extra.SCREENSHOT"); |
| am_args.push_back(screenshot_path); |
| } |
| if (is_remote_mode) { |
| am_args.push_back("--es"); |
| am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH"); |
| am_args.push_back(SHA256_file_hash(path)); |
| send_broadcast("android.intent.action.REMOTE_BUGREPORT_FINISHED", am_args); |
| } else { |
| send_broadcast("android.intent.action.BUGREPORT_FINISHED", am_args); |
| } |
| } else { |
| MYLOGE("Skipping finished broadcast because bugreport could not be generated\n"); |
| } |
| } |
| |
| MYLOGD("Final progress: %d/%d (originally %d)\n", progress, weight_total, WEIGHT_TOTAL); |
| MYLOGI("done\n"); |
| |
| if (is_redirecting) { |
| fclose(stderr); |
| } |
| |
| if (use_control_socket && control_socket_fd >= 0) { |
| MYLOGD("Closing control socket\n"); |
| close(control_socket_fd); |
| } |
| |
| return 0; |
| } |
