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/*
* 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 "fastboot_device.h"
#include "flashing.h"
#include "utility.h"
using ::android::hardware::boot::V1_0::BoolResult;
using ::android::hardware::boot::V1_0::Slot;
constexpr int kMaxDownloadSizeDefault = 0x20000000;
constexpr char kFastbootProtocolVersion[] = "0.4";
bool GetVersion(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(kFastbootProtocolVersion);
}
bool GetBootloaderVersion(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(android::base::GetProperty("ro.bootloader", ""));
}
bool GetBasebandVersion(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(android::base::GetProperty("ro.build.expect.baseband", ""));
}
bool GetProduct(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(android::base::GetProperty("ro.product.device", ""));
}
bool GetSerial(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(android::base::GetProperty("ro.serialno", ""));
}
bool GetSecure(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(android::base::GetBoolProperty("ro.secure", "") ? "yes" : "no");
}
bool GetCurrentSlot(FastbootDevice* device, const std::vector<std::string>& /* args */) {
std::string suffix = device->GetCurrentSlot();
std::string slot = suffix.size() == 2 ? suffix.substr(1) : suffix;
return device->WriteOkay(slot);
}
bool GetSlotCount(FastbootDevice* device, const std::vector<std::string>& /* args */) {
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
return "0";
}
return device->WriteOkay(std::to_string(boot_control_hal->getNumberSlots()));
}
bool GetSlotSuccessful(FastbootDevice* device, const std::vector<std::string>& args) {
if (args.empty()) {
return device->WriteFail("Missing argument");
}
Slot slot;
if (!GetSlotNumber(args[0], &slot)) {
return device->WriteFail("Invalid slot");
}
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
return device->WriteFail("Device has no slots");
}
if (boot_control_hal->isSlotMarkedSuccessful(slot) != BoolResult::TRUE) {
return device->WriteOkay("no");
}
return device->WriteOkay("yes");
}
bool GetSlotUnbootable(FastbootDevice* device, const std::vector<std::string>& args) {
if (args.empty()) {
return device->WriteFail("Missing argument");
}
Slot slot;
if (!GetSlotNumber(args[0], &slot)) {
return device->WriteFail("Invalid slot");
}
auto boot_control_hal = device->boot_control_hal();
if (!boot_control_hal) {
return device->WriteFail("Device has no slots");
}
if (boot_control_hal->isSlotBootable(slot) != BoolResult::TRUE) {
return device->WriteOkay("yes");
}
return device->WriteOkay("no");
}
bool GetMaxDownloadSize(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay(std::to_string(kMaxDownloadSizeDefault));
}
bool GetUnlocked(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay("yes");
}
bool GetHasSlot(FastbootDevice* device, const std::vector<std::string>& args) {
if (args.empty()) {
return device->WriteFail("Missing argument");
}
std::string slot_suffix = device->GetCurrentSlot();
if (slot_suffix.empty()) {
return device->WriteFail("Invalid slot");
}
std::string result = (args[0] == "userdata" ? "no" : "yes");
return device->WriteOkay(result);
}
bool GetPartitionSize(FastbootDevice* device, const std::vector<std::string>& args) {
if (args.size() < 1) {
return device->WriteFail("Missing argument");
}
// Zero-length partitions cannot be created through device-mapper, so we
// special case them here.
bool is_zero_length;
if (LogicalPartitionExists(args[0], device->GetCurrentSlot(), &is_zero_length) &&
is_zero_length) {
return device->WriteOkay("0");
}
// Otherwise, open the partition as normal.
PartitionHandle handle;
if (!OpenPartition(device, args[0], &handle)) {
return device->WriteFail("Could not open partition");
}
uint64_t size = get_block_device_size(handle.fd());
return device->WriteOkay(android::base::StringPrintf("%" PRIX64, size));
}
bool GetPartitionIsLogical(FastbootDevice* device, const std::vector<std::string>& args) {
if (args.size() < 1) {
return device->WriteFail("Missing argument");
}
// 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(partition_name, device->GetCurrentSlot())) {
return device->WriteOkay("yes");
}
if (FindPhysicalPartition(partition_name)) {
return device->WriteOkay("no");
}
return device->WriteFail("Partition not found");
}
bool GetIsUserspace(FastbootDevice* device, const std::vector<std::string>& /* args */) {
return device->WriteOkay("yes");
}
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