blob: d2a794715ba83194edc76d1f6cbb5f32491e4a93 [file] [log] [blame]
/*
* Copyright (C) 2018 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 "variables.h"
#include <inttypes.h>
#include <stdio.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <android/hardware/boot/1.1/IBootControl.h>
#include <ext4_utils/ext4_utils.h>
#include <fs_mgr.h>
#include <liblp/liblp.h>
#include "BootControlClient.h"
#include "fastboot_device.h"
#include "flashing.h"
#include "utility.h"
#ifdef FB_ENABLE_FETCH
static constexpr bool kEnableFetch = true;
#else
static constexpr bool kEnableFetch = false;
#endif
using MergeStatus = android::hal::BootControlClient::MergeStatus;
using aidl::android::hardware::fastboot::FileSystemType;
using namespace android::fs_mgr;
using namespace std::string_literals;
constexpr char kFastbootProtocolVersion[] = "0.4";
bool GetVersion(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = kFastbootProtocolVersion;
return true;
}
bool GetBootloaderVersion(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.bootloader", "");
return true;
}
bool GetBasebandVersion(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.build.expect.baseband", "");
return true;
}
bool GetOsVersion(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.build.version.release", "");
return true;
}
bool GetVndkVersion(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.vndk.version", "");
return true;
}
bool GetProduct(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.product.device", "");
return true;
}
bool GetSerial(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.serialno", "");
return true;
}
bool GetSecure(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetBoolProperty("ro.secure", "") ? "yes" : "no";
return true;
}
bool GetVariant(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
auto fastboot_hal = device->fastboot_hal();
if (!fastboot_hal) {
*message = "Fastboot HAL not found";
return false;
}
std::string device_variant = "";
auto status = fastboot_hal->getVariant(&device_variant);
if (!status.isOk()) {
*message = "Unable to get device variant";
LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
*message = device_variant;
return true;
}
bool GetBatteryVoltageHelper(FastbootDevice* device, int32_t* battery_voltage) {
using aidl::android::hardware::health::HealthInfo;
auto health_hal = device->health_hal();
if (!health_hal) {
return false;
}
HealthInfo health_info;
auto res = health_hal->getHealthInfo(&health_info);
if (!res.isOk()) return false;
*battery_voltage = health_info.batteryVoltageMillivolts;
return true;
}
bool GetBatterySoCOk(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
int32_t battery_voltage = 0;
if (!GetBatteryVoltageHelper(device, &battery_voltage)) {
*message = "Unable to read battery voltage";
return false;
}
auto fastboot_hal = device->fastboot_hal();
if (!fastboot_hal) {
*message = "Fastboot HAL not found";
return false;
}
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;
}
bool GetOffModeChargeState(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
auto fastboot_hal = device->fastboot_hal();
if (!fastboot_hal) {
*message = "Fastboot HAL not found";
return false;
}
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;
}
bool GetBatteryVoltage(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
int32_t battery_voltage = 0;
if (GetBatteryVoltageHelper(device, &battery_voltage)) {
*message = std::to_string(battery_voltage);
return true;
}
*message = "Unable to get battery voltage";
return false;
}
bool GetCurrentSlot(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
std::string suffix = device->GetCurrentSlot();
*message = suffix.size() == 2 ? suffix.substr(1) : suffix;
return true;
}
bool GetSlotCount(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
*message = "0";
} else {
*message = std::to_string(boot_control_hal->GetNumSlots());
}
return true;
}
bool GetSlotSuccessful(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.empty()) {
*message = "Missing argument";
return false;
}
int32_t slot = -1;
if (!GetSlotNumber(args[0], &slot)) {
*message = "Invalid slot";
return false;
}
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
*message = "Device has no slots";
return false;
}
if (boot_control_hal->IsSlotMarkedSuccessful(slot).value_or(false)) {
*message = "no";
} else {
*message = "yes";
}
return true;
}
bool GetSlotUnbootable(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.empty()) {
*message = "Missing argument";
return false;
}
int32_t slot = -1;
if (!GetSlotNumber(args[0], &slot)) {
*message = "Invalid slot";
return false;
}
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
*message = "Device has no slots";
return false;
}
if (!boot_control_hal->IsSlotBootable(slot).value_or(false)) {
*message = "yes";
} else {
*message = "no";
}
return true;
}
bool GetMaxDownloadSize(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::StringPrintf("0x%X", kMaxDownloadSizeDefault);
return true;
}
bool GetUnlocked(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = GetDeviceLockStatus() ? "no" : "yes";
return true;
}
bool GetHasSlot(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.empty()) {
*message = "Missing argument";
return false;
}
std::string slot_suffix = device->GetCurrentSlot();
if (slot_suffix.empty()) {
*message = "no";
return true;
}
std::string partition_name = args[0] + slot_suffix;
if (FindPhysicalPartition(partition_name) || LogicalPartitionExists(device, partition_name)) {
*message = "yes";
} else {
*message = "no";
}
return true;
}
bool GetPartitionSize(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.size() < 1) {
*message = "Missing argument";
return false;
}
// Zero-length partitions cannot be created through device-mapper, so we
// special case them here.
bool is_zero_length;
if (LogicalPartitionExists(device, args[0], &is_zero_length) && is_zero_length) {
*message = "0x0";
return true;
}
// Otherwise, open the partition as normal.
PartitionHandle handle;
if (!OpenPartition(device, args[0], &handle)) {
*message = "Could not open partition";
return false;
}
uint64_t size = get_block_device_size(handle.fd());
*message = android::base::StringPrintf("0x%" PRIX64, size);
return true;
}
bool GetPartitionType(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.size() < 1) {
*message = "Missing argument";
return false;
}
std::string partition_name = args[0];
if (!FindPhysicalPartition(partition_name) && !LogicalPartitionExists(device, partition_name)) {
*message = "Invalid partition";
return false;
}
auto fastboot_hal = device->fastboot_hal();
if (!fastboot_hal) {
*message = "raw";
return true;
}
FileSystemType type;
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:
*message = "raw";
return true;
case FileSystemType::EXT4:
*message = "ext4";
return true;
case FileSystemType::F2FS:
*message = "f2fs";
return true;
default:
*message = "Unknown file system type";
}
}
return false;
}
bool GetPartitionIsLogical(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.size() < 1) {
*message = "Missing argument";
return false;
}
// Note: if a partition name is in both the GPT and the super partition, we
// return "true", to be consistent with prefering to flash logical partitions
// over physical ones.
std::string partition_name = args[0];
if (LogicalPartitionExists(device, partition_name)) {
*message = "yes";
return true;
}
if (FindPhysicalPartition(partition_name)) {
*message = "no";
return true;
}
*message = "Partition not found";
return false;
}
bool GetIsUserspace(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = "yes";
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);
for (const auto& partition : partitions) {
args.emplace_back(std::initializer_list<std::string>{partition});
}
return args;
}
std::vector<std::vector<std::string>> GetAllPartitionArgsNoSlot(FastbootDevice* device) {
auto partitions = ListPartitions(device);
std::string slot_suffix = device->GetCurrentSlot();
if (!slot_suffix.empty()) {
auto names = std::move(partitions);
for (const auto& name : names) {
std::string slotless_name = name;
if (android::base::EndsWith(name, "_a") || android::base::EndsWith(name, "_b")) {
slotless_name = name.substr(0, name.rfind("_"));
}
if (std::find(partitions.begin(), partitions.end(), slotless_name) ==
partitions.end()) {
partitions.emplace_back(slotless_name);
}
}
}
std::vector<std::vector<std::string>> args;
for (const auto& partition : partitions) {
args.emplace_back(std::initializer_list<std::string>{partition});
}
return args;
}
bool GetHardwareRevision(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.revision", "");
return true;
}
bool GetSuperPartitionName(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
uint32_t slot_number = SlotNumberForSlotSuffix(device->GetCurrentSlot());
*message = fs_mgr_get_super_partition_name(slot_number);
return true;
}
bool GetSnapshotUpdateStatus(FastbootDevice* device, const std::vector<std::string>& /* args */,
std::string* message) {
// Note that we use the HAL rather than mounting /metadata, since we want
// our results to match the bootloader.
auto hal = device->boot1_1();
if (!hal) {
*message = "not supported";
return false;
}
MergeStatus status = hal->getSnapshotMergeStatus();
switch (status) {
case MergeStatus::SNAPSHOTTED:
*message = "snapshotted";
break;
case MergeStatus::MERGING:
*message = "merging";
break;
default:
*message = "none";
break;
}
return true;
}
bool GetCpuAbi(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.product.cpu.abi", "");
return true;
}
bool GetSystemFingerprint(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.system.build.fingerprint", "");
if (message->empty()) {
*message = android::base::GetProperty("ro.build.fingerprint", "");
}
return true;
}
bool GetVendorFingerprint(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.vendor.build.fingerprint", "");
return true;
}
bool GetDynamicPartition(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.boot.dynamic_partitions", "");
return true;
}
bool GetFirstApiLevel(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.product.first_api_level", "");
return true;
}
bool GetSecurityPatchLevel(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.build.version.security_patch", "");
return true;
}
bool GetTrebleEnabled(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
*message = android::base::GetProperty("ro.treble.enabled", "");
return true;
}
bool GetMaxFetchSize(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
std::string* message) {
if (!kEnableFetch) {
*message = "fetch not supported on user builds";
return false;
}
*message = android::base::StringPrintf("0x%X", kMaxFetchSizeDefault);
return true;
}
bool GetDmesg(FastbootDevice* device) {
if (GetDeviceLockStatus()) {
return device->WriteFail("Cannot use when device flashing is locked");
}
std::unique_ptr<FILE, decltype(&::fclose)> fp(popen("/system/bin/dmesg", "re"), ::fclose);
if (!fp) {
PLOG(ERROR) << "popen /system/bin/dmesg";
return device->WriteFail("Unable to run dmesg: "s + strerror(errno));
}
ssize_t rv;
size_t n = 0;
char* str = nullptr;
while ((rv = ::getline(&str, &n, fp.get())) > 0) {
if (str[rv - 1] == '\n') {
rv--;
}
device->WriteInfo(std::string(str, rv));
}
int saved_errno = errno;
::free(str);
if (rv < 0 && saved_errno) {
LOG(ERROR) << "dmesg getline: " << strerror(saved_errno);
device->WriteFail("Unable to read dmesg: "s + strerror(saved_errno));
return false;
}
return true;
}