/*
* 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 <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 <ext4_utils/ext4_utils.h>
#include <fs_mgr.h>
#include <healthhalutils/HealthHalUtils.h>
#include <liblp/liblp.h>
#include "fastboot_device.h"
#include "flashing.h"
#include "utility.h"
using ::android::hardware::boot::V1_0::BoolResult;
using ::android::hardware::boot::V1_0::Slot;
using ::android::hardware::fastboot::V1_0::FileSystemType;
using ::android::hardware::fastboot::V1_0::Result;
using ::android::hardware::fastboot::V1_0::Status;
using namespace android::fs_mgr;
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 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;
}
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) {
*message = "Unable to get device variant";
return false;
}
return true;
}
bool GetBatteryVoltageHelper(FastbootDevice* device, int32_t* battery_voltage) {
using android::hardware::health::V2_0::HealthInfo;
using android::hardware::health::V2_0::Result;
auto health_hal = device->health_hal();
if (!health_hal) {
return false;
}
Result ret;
auto ret_val = health_hal->getHealthInfo([&](Result result, HealthInfo info) {
*battery_voltage = info.legacy.batteryVoltage;
ret = result;
});
if (!ret_val.isOk() || (ret != Result::SUCCESS)) {
return false;
}
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;
}
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) {
*message = "Unable to get battery voltage flashing threshold";
return false;
}
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;
}
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)) {
*message = "Unable to get off mode charge state";
return false;
}
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->getNumberSlots());
}
return true;
}
bool GetSlotSuccessful(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message) {
if (args.empty()) {
*message = "Missing argument";
return false;
}
Slot slot;
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) != BoolResult::TRUE) {
*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;
}
Slot slot;
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) != BoolResult::TRUE) {
*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 = "Fastboot HAL not found";
return false;
}
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)) {
*message = "Unable to retrieve partition type";
} 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;
}
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;
}