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/*
* Copyright (C) 2009 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 "applypatch_modes.h"
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <memory>
#include <string>
#include <vector>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/strings.h>
#include <openssl/sha.h>
#include "applypatch/applypatch.h"
#include "edify/expr.h"
static int CheckMode(const std::string& target_emmc) {
std::string err;
auto target = Partition::Parse(target_emmc, &err);
if (!target) {
LOG(ERROR) << "Failed to parse target \"" << target_emmc << "\": " << err;
return 2;
}
return CheckPartition(target) ? 0 : 1;
}
static int FlashMode(const std::string& target_emmc, const std::string& source_file) {
std::string err;
auto target = Partition::Parse(target_emmc, &err);
if (!target) {
LOG(ERROR) << "Failed to parse target \"" << target_emmc << "\": " << err;
return 2;
}
return FlashPartition(target, source_file) ? 0 : 1;
}
static int PatchMode(const std::string& target_emmc, const std::string& source_emmc,
const std::string& patch_file, const std::string& bonus_file) {
std::string err;
auto target = Partition::Parse(target_emmc, &err);
if (!target) {
LOG(ERROR) << "Failed to parse target \"" << target_emmc << "\": " << err;
return 2;
}
auto source = Partition::Parse(source_emmc, &err);
if (!source) {
LOG(ERROR) << "Failed to parse source \"" << source_emmc << "\": " << err;
return 2;
}
std::string patch_contents;
if (!android::base::ReadFileToString(patch_file, &patch_contents)) {
PLOG(ERROR) << "Failed to read patch file \"" << patch_file << "\"";
return 1;
}
Value patch(Value::Type::BLOB, std::move(patch_contents));
std::unique_ptr<Value> bonus;
if (!bonus_file.empty()) {
std::string bonus_contents;
if (!android::base::ReadFileToString(bonus_file, &bonus_contents)) {
PLOG(ERROR) << "Failed to read bonus file \"" << bonus_file << "\"";
return 1;
}
bonus = std::make_unique<Value>(Value::Type::BLOB, std::move(bonus_contents));
}
return PatchPartition(target, source, patch, bonus.get(), false) ? 0 : 1;
}
static void Usage() {
printf(
"Usage: \n"
"check mode\n"
" applypatch --check EMMC:<target-file>:<target-size>:<target-sha1>\n\n"
"flash mode\n"
" applypatch --flash <source-file>\n"
" --target EMMC:<target-file>:<target-size>:<target-sha1>\n\n"
"patch mode\n"
" applypatch [--bonus <bonus-file>]\n"
" --patch <patch-file>\n"
" --target EMMC:<target-file>:<target-size>:<target-sha1>\n"
" --source EMMC:<source-file>:<source-size>:<source-sha1>\n\n"
"show license\n"
" applypatch --license\n"
"\n\n");
}
int applypatch_modes(int argc, char* argv[]) {
static constexpr struct option OPTIONS[]{
// clang-format off
{ "bonus", required_argument, nullptr, 0 },
{ "check", required_argument, nullptr, 0 },
{ "flash", required_argument, nullptr, 0 },
{ "license", no_argument, nullptr, 0 },
{ "patch", required_argument, nullptr, 0 },
{ "source", required_argument, nullptr, 0 },
{ "target", required_argument, nullptr, 0 },
{ nullptr, 0, nullptr, 0 },
// clang-format on
};
std::string check_target;
std::string source;
std::string target;
std::string patch;
std::string bonus;
bool check_mode = false;
bool flash_mode = false;
bool patch_mode = false;
optind = 1;
int arg;
int option_index;
while ((arg = getopt_long(argc, argv, "", OPTIONS, &option_index)) != -1) {
switch (arg) {
case 0: {
std::string option = OPTIONS[option_index].name;
if (option == "bonus") {
bonus = optarg;
} else if (option == "check") {
check_target = optarg;
check_mode = true;
} else if (option == "flash") {
source = optarg;
flash_mode = true;
} else if (option == "license") {
return ShowLicenses();
} else if (option == "patch") {
patch = optarg;
patch_mode = true;
} else if (option == "source") {
source = optarg;
} else if (option == "target") {
target = optarg;
}
break;
}
case '?':
default:
LOG(ERROR) << "Invalid argument";
Usage();
return 2;
}
}
if (check_mode) {
return CheckMode(check_target);
}
if (flash_mode) {
if (!bonus.empty()) {
LOG(ERROR) << "bonus file not supported in flash mode";
return 1;
}
return FlashMode(target, source);
}
if (patch_mode) {
return PatchMode(target, source, patch, bonus);
}
Usage();
return 2;
}
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