//
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// Copyright (C) 2010 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include <string>
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#include <vector>
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#include <base/files/file_path.h>
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#include <base/files/file_util.h>
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#include <base/logging.h>
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#include <base/strings/string_number_conversions.h>
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#include <base/strings/string_split.h>
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#include <brillo/flag_helper.h>
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#include <brillo/key_value_store.h>
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#include <brillo/message_loops/base_message_loop.h>
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#include <xz.h>
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#include "update_engine/common/fake_boot_control.h"
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#include "update_engine/common/fake_hardware.h"
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#include "update_engine/common/file_fetcher.h"
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#include "update_engine/common/prefs.h"
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#include "update_engine/common/terminator.h"
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#include "update_engine/common/utils.h"
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#include "update_engine/payload_consumer/download_action.h"
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#include "update_engine/payload_consumer/filesystem_verifier_action.h"
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#include "update_engine/payload_consumer/payload_constants.h"
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#include "update_engine/payload_generator/delta_diff_generator.h"
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#include "update_engine/payload_generator/payload_generation_config.h"
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#include "update_engine/payload_generator/payload_signer.h"
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#include "update_engine/payload_generator/xz.h"
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#include "update_engine/update_metadata.pb.h"
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// This file contains a simple program that takes an old path, a new path,
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// and an output file as arguments and the path to an output file and
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// generates a delta that can be sent to Chrome OS clients.
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using std::string;
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using std::vector;
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namespace chromeos_update_engine {
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namespace {
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void ParseSignatureSizes(const string& signature_sizes_flag,
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vector<int>* signature_sizes) {
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signature_sizes->clear();
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vector<string> split_strings = base::SplitString(
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signature_sizes_flag, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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for (const string& str : split_strings) {
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int size = 0;
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bool parsing_successful = base::StringToInt(str, &size);
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LOG_IF(FATAL, !parsing_successful) << "Invalid signature size: " << str;
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LOG_IF(FATAL, size != 256 && size != 512)
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<< "Only signature sizes of 256 or 512 bytes are supported.";
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signature_sizes->push_back(size);
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}
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}
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bool ParseImageInfo(const string& channel,
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const string& board,
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const string& version,
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const string& key,
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const string& build_channel,
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const string& build_version,
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ImageInfo* image_info) {
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// All of these arguments should be present or missing.
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bool empty = channel.empty();
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CHECK_EQ(channel.empty(), empty);
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CHECK_EQ(board.empty(), empty);
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CHECK_EQ(version.empty(), empty);
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CHECK_EQ(key.empty(), empty);
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if (empty)
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return false;
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image_info->set_channel(channel);
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image_info->set_board(board);
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image_info->set_version(version);
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image_info->set_key(key);
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image_info->set_build_channel(build_channel.empty() ? channel
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: build_channel);
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image_info->set_build_version(build_version.empty() ? version
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: build_version);
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return true;
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}
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void CalculateHashForSigning(const vector<int>& sizes,
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const string& out_hash_file,
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const string& out_metadata_hash_file,
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const string& in_file) {
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LOG(INFO) << "Calculating hash for signing.";
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LOG_IF(FATAL, in_file.empty())
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<< "Must pass --in_file to calculate hash for signing.";
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LOG_IF(FATAL, out_hash_file.empty())
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<< "Must pass --out_hash_file to calculate hash for signing.";
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brillo::Blob payload_hash, metadata_hash;
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CHECK(PayloadSigner::HashPayloadForSigning(
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in_file, sizes, &payload_hash, &metadata_hash));
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CHECK(utils::WriteFile(
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out_hash_file.c_str(), payload_hash.data(), payload_hash.size()));
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if (!out_metadata_hash_file.empty())
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CHECK(utils::WriteFile(out_metadata_hash_file.c_str(),
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metadata_hash.data(),
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metadata_hash.size()));
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LOG(INFO) << "Done calculating hash for signing.";
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}
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void SignatureFileFlagToBlobs(const string& signature_file_flag,
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vector<brillo::Blob>* signatures) {
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vector<string> signature_files = base::SplitString(
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signature_file_flag, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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for (const string& signature_file : signature_files) {
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brillo::Blob signature;
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CHECK(utils::ReadFile(signature_file, &signature));
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signatures->push_back(signature);
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}
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}
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void SignPayload(const string& in_file,
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const string& out_file,
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const string& payload_signature_file,
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const string& metadata_signature_file,
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const string& out_metadata_size_file) {
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LOG(INFO) << "Signing payload.";
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LOG_IF(FATAL, in_file.empty()) << "Must pass --in_file to sign payload.";
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LOG_IF(FATAL, out_file.empty()) << "Must pass --out_file to sign payload.";
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LOG_IF(FATAL, payload_signature_file.empty())
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<< "Must pass --payload_signature_file to sign payload.";
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vector<brillo::Blob> payload_signatures, metadata_signatures;
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SignatureFileFlagToBlobs(payload_signature_file, &payload_signatures);
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SignatureFileFlagToBlobs(metadata_signature_file, &metadata_signatures);
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uint64_t final_metadata_size;
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CHECK(PayloadSigner::AddSignatureToPayload(in_file,
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payload_signatures,
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metadata_signatures,
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out_file,
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&final_metadata_size));
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LOG(INFO) << "Done signing payload. Final metadata size = "
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<< final_metadata_size;
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if (!out_metadata_size_file.empty()) {
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string metadata_size_string = std::to_string(final_metadata_size);
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CHECK(utils::WriteFile(out_metadata_size_file.c_str(),
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metadata_size_string.data(),
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metadata_size_string.size()));
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}
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}
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int VerifySignedPayload(const string& in_file, const string& public_key) {
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LOG(INFO) << "Verifying signed payload.";
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LOG_IF(FATAL, in_file.empty())
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<< "Must pass --in_file to verify signed payload.";
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LOG_IF(FATAL, public_key.empty())
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<< "Must pass --public_key to verify signed payload.";
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if (!PayloadSigner::VerifySignedPayload(in_file, public_key)) {
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LOG(INFO) << "VerifySignedPayload failed";
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return 1;
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}
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LOG(INFO) << "Done verifying signed payload.";
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return 0;
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}
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class ApplyPayloadProcessorDelegate : public ActionProcessorDelegate {
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public:
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void ProcessingDone(const ActionProcessor* processor,
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ErrorCode code) override {
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brillo::MessageLoop::current()->BreakLoop();
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code_ = code;
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}
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void ProcessingStopped(const ActionProcessor* processor) override {
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brillo::MessageLoop::current()->BreakLoop();
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}
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ErrorCode code_;
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};
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// TODO(deymo): Move this function to a new file and make the delta_performer
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// integration tests use this instead.
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bool ApplyPayload(const string& payload_file,
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// Simply reuses the payload config used for payload
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// generation.
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const PayloadGenerationConfig& config) {
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LOG(INFO) << "Applying delta.";
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FakeBootControl fake_boot_control;
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FakeHardware fake_hardware;
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MemoryPrefs prefs;
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InstallPlan install_plan;
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InstallPlan::Payload payload;
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install_plan.source_slot =
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config.is_delta ? 0 : BootControlInterface::kInvalidSlot;
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install_plan.target_slot = 1;
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payload.type =
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config.is_delta ? InstallPayloadType::kDelta : InstallPayloadType::kFull;
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payload.size = utils::FileSize(payload_file);
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// TODO(senj): This hash is only correct for unsigned payload, need to support
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// signed payload using PayloadSigner.
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HashCalculator::RawHashOfFile(payload_file, payload.size, &payload.hash);
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install_plan.payloads = {payload};
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install_plan.download_url =
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"file://" +
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base::MakeAbsoluteFilePath(base::FilePath(payload_file)).value();
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for (size_t i = 0; i < config.target.partitions.size(); i++) {
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const string& part_name = config.target.partitions[i].name;
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const string& target_path = config.target.partitions[i].path;
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fake_boot_control.SetPartitionDevice(
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part_name, install_plan.target_slot, target_path);
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string source_path;
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if (config.is_delta) {
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TEST_AND_RETURN_FALSE(config.target.partitions.size() ==
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config.source.partitions.size());
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source_path = config.source.partitions[i].path;
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fake_boot_control.SetPartitionDevice(
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part_name, install_plan.source_slot, source_path);
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}
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LOG(INFO) << "Install partition:"
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<< " source: " << source_path << "\ttarget: " << target_path;
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}
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xz_crc32_init();
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brillo::BaseMessageLoop loop;
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loop.SetAsCurrent();
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auto install_plan_action = std::make_unique<InstallPlanAction>(install_plan);
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auto download_action =
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std::make_unique<DownloadAction>(&prefs,
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&fake_boot_control,
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&fake_hardware,
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nullptr,
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new FileFetcher(),
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true /* interactive */);
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auto filesystem_verifier_action =
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std::make_unique<FilesystemVerifierAction>();
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BondActions(install_plan_action.get(), download_action.get());
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BondActions(download_action.get(), filesystem_verifier_action.get());
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ActionProcessor processor;
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ApplyPayloadProcessorDelegate delegate;
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processor.set_delegate(&delegate);
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processor.EnqueueAction(std::move(install_plan_action));
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processor.EnqueueAction(std::move(download_action));
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processor.EnqueueAction(std::move(filesystem_verifier_action));
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processor.StartProcessing();
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loop.Run();
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CHECK_EQ(delegate.code_, ErrorCode::kSuccess);
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LOG(INFO) << "Completed applying " << (config.is_delta ? "delta" : "full")
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<< " payload.";
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return true;
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}
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int ExtractProperties(const string& payload_path, const string& props_file) {
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brillo::KeyValueStore properties;
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TEST_AND_RETURN_FALSE(
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PayloadSigner::ExtractPayloadProperties(payload_path, &properties));
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if (props_file == "-") {
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printf("%s", properties.SaveToString().c_str());
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} else {
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properties.Save(base::FilePath(props_file));
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LOG(INFO) << "Generated properties file at " << props_file;
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}
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return true;
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}
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int Main(int argc, char** argv) {
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DEFINE_string(old_image, "", "Path to the old rootfs");
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DEFINE_string(new_image, "", "Path to the new rootfs");
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DEFINE_string(old_kernel, "", "Path to the old kernel partition image");
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DEFINE_string(new_kernel, "", "Path to the new kernel partition image");
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DEFINE_string(old_partitions,
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"",
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"Path to the old partitions. To pass multiple partitions, use "
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"a single argument with a colon between paths, e.g. "
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"/path/to/part:/path/to/part2::/path/to/last_part . Path can "
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"be empty, but it has to match the order of partition_names.");
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DEFINE_string(new_partitions,
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"",
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"Path to the new partitions. To pass multiple partitions, use "
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"a single argument with a colon between paths, e.g. "
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"/path/to/part:/path/to/part2:/path/to/last_part . Path has "
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"to match the order of partition_names.");
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DEFINE_string(old_mapfiles,
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"",
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"Path to the .map files associated with the partition files "
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"in the old partition. The .map file is normally generated "
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"when creating the image in Android builds. Only recommended "
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"for unsupported filesystem. Pass multiple files separated by "
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"a colon as with -old_partitions.");
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DEFINE_string(new_mapfiles,
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"",
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"Path to the .map files associated with the partition files "
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"in the new partition, similar to the -old_mapfiles flag.");
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DEFINE_string(partition_names,
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string(kPartitionNameRoot) + ":" + kPartitionNameKernel,
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"Names of the partitions. To pass multiple names, use a single "
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"argument with a colon between names, e.g. "
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"name:name2:name3:last_name . Name can not be empty, and it "
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"has to match the order of partitions.");
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DEFINE_string(in_file,
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"",
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"Path to input delta payload file used to hash/sign payloads "
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"and apply delta over old_image (for debugging)");
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DEFINE_string(out_file, "", "Path to output delta payload file");
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DEFINE_string(out_hash_file, "", "Path to output hash file");
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DEFINE_string(
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out_metadata_hash_file, "", "Path to output metadata hash file");
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DEFINE_string(
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out_metadata_size_file, "", "Path to output metadata size file");
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DEFINE_string(private_key, "", "Path to private key in .pem format");
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DEFINE_string(public_key, "", "Path to public key in .pem format");
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DEFINE_int32(
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public_key_version, -1, "DEPRECATED. Key-check version # of client");
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DEFINE_string(signature_size,
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"",
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"Raw signature size used for hash calculation. "
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"You may pass in multiple sizes by colon separating them. E.g. "
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"2048:2048:4096 will assume 3 signatures, the first two with "
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"2048 size and the last 4096.");
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DEFINE_string(payload_signature_file,
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"",
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"Raw signature file to sign payload with. To pass multiple "
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"signatures, use a single argument with a colon between paths, "
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"e.g. /path/to/sig:/path/to/next:/path/to/last_sig . Each "
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"signature will be assigned a client version, starting from "
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"kSignatureOriginalVersion.");
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DEFINE_string(metadata_signature_file,
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"",
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"Raw signature file with the signature of the metadata hash. "
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"To pass multiple signatures, use a single argument with a "
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"colon between paths, "
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"e.g. /path/to/sig:/path/to/next:/path/to/last_sig .");
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DEFINE_int32(
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chunk_size, 200 * 1024 * 1024, "Payload chunk size (-1 for whole files)");
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DEFINE_uint64(rootfs_partition_size,
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chromeos_update_engine::kRootFSPartitionSize,
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"RootFS partition size for the image once installed");
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DEFINE_uint64(
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major_version, 2, "The major version of the payload being generated.");
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DEFINE_int32(minor_version,
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-1,
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"The minor version of the payload being generated "
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"(-1 means autodetect).");
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DEFINE_string(properties_file,
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"",
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"If passed, dumps the payload properties of the payload passed "
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"in --in_file and exits.");
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DEFINE_int64(max_timestamp,
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0,
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"The maximum timestamp of the OS allowed to apply this "
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"payload.");
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DEFINE_string(old_channel,
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"",
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"The channel for the old image. 'dev-channel', 'npo-channel', "
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"etc. Ignored, except during delta generation.");
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DEFINE_string(old_board,
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"",
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"The board for the old image. 'x86-mario', 'lumpy', "
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"etc. Ignored, except during delta generation.");
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DEFINE_string(
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old_version, "", "The build version of the old image. 1.2.3, etc.");
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DEFINE_string(old_key,
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"",
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"The key used to sign the old image. 'premp', 'mp', 'mp-v3',"
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" etc");
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DEFINE_string(old_build_channel,
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"",
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"The channel for the build of the old image. 'dev-channel', "
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"etc, but will never contain special channels such as "
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"'npo-channel'. Ignored, except during delta generation.");
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DEFINE_string(old_build_version,
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"",
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"The version of the build containing the old image.");
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DEFINE_string(new_channel,
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"",
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"The channel for the new image. 'dev-channel', 'npo-channel', "
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"etc. Ignored, except during delta generation.");
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DEFINE_string(new_board,
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"",
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"The board for the new image. 'x86-mario', 'lumpy', "
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"etc. Ignored, except during delta generation.");
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DEFINE_string(
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new_version, "", "The build version of the new image. 1.2.3, etc.");
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DEFINE_string(new_key,
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"",
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"The key used to sign the new image. 'premp', 'mp', 'mp-v3',"
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" etc");
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DEFINE_string(new_build_channel,
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"",
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"The channel for the build of the new image. 'dev-channel', "
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"etc, but will never contain special channels such as "
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"'npo-channel'. Ignored, except during delta generation.");
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DEFINE_string(new_build_version,
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"",
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"The version of the build containing the new image.");
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DEFINE_string(new_postinstall_config_file,
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"",
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"A config file specifying postinstall related metadata. "
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"Only allowed in major version 2 or newer.");
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DEFINE_string(dynamic_partition_info_file,
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"",
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"An info file specifying dynamic partition metadata. "
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"Only allowed in major version 2 or newer.");
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brillo::FlagHelper::Init(
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argc,
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argv,
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"Generates a payload to provide to ChromeOS' update_engine.\n\n"
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"This tool can create full payloads and also delta payloads if the src\n"
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"image is provided. It also provides debugging options to apply, sign\n"
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"and verify payloads.");
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Terminator::Init();
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logging::LoggingSettings log_settings;
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log_settings.log_file = "delta_generator.log";
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log_settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
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log_settings.lock_log = logging::LOCK_LOG_FILE;
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log_settings.delete_old = logging::APPEND_TO_OLD_LOG_FILE;
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logging::InitLogging(log_settings);
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// Initialize the Xz compressor.
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XzCompressInit();
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vector<int> signature_sizes;
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ParseSignatureSizes(FLAGS_signature_size, &signature_sizes);
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if (!FLAGS_out_hash_file.empty() || !FLAGS_out_metadata_hash_file.empty()) {
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CHECK(FLAGS_out_metadata_size_file.empty());
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CalculateHashForSigning(signature_sizes,
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FLAGS_out_hash_file,
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FLAGS_out_metadata_hash_file,
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FLAGS_in_file);
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return 0;
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}
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if (!FLAGS_payload_signature_file.empty()) {
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SignPayload(FLAGS_in_file,
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FLAGS_out_file,
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FLAGS_payload_signature_file,
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FLAGS_metadata_signature_file,
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FLAGS_out_metadata_size_file);
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return 0;
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}
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if (!FLAGS_public_key.empty()) {
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LOG_IF(WARNING, FLAGS_public_key_version != -1)
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<< "--public_key_version is deprecated and ignored.";
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return VerifySignedPayload(FLAGS_in_file, FLAGS_public_key);
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}
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if (!FLAGS_properties_file.empty()) {
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return ExtractProperties(FLAGS_in_file, FLAGS_properties_file) ? 0 : 1;
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}
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// A payload generation was requested. Convert the flags to a
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// PayloadGenerationConfig.
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PayloadGenerationConfig payload_config;
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vector<string> partition_names, old_partitions, new_partitions;
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vector<string> old_mapfiles, new_mapfiles;
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if (!FLAGS_old_mapfiles.empty()) {
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old_mapfiles = base::SplitString(
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FLAGS_old_mapfiles, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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}
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if (!FLAGS_new_mapfiles.empty()) {
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new_mapfiles = base::SplitString(
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FLAGS_new_mapfiles, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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}
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partition_names = base::SplitString(
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FLAGS_partition_names, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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CHECK(!partition_names.empty());
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if (FLAGS_major_version == kChromeOSMajorPayloadVersion ||
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FLAGS_new_partitions.empty()) {
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LOG_IF(FATAL, partition_names.size() != 2)
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<< "To support more than 2 partitions, please use the "
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<< "--new_partitions flag and major version 2.";
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LOG_IF(FATAL,
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partition_names[0] != kPartitionNameRoot ||
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partition_names[1] != kPartitionNameKernel)
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<< "To support non-default partition name, please use the "
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<< "--new_partitions flag and major version 2.";
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}
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if (!FLAGS_new_partitions.empty()) {
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LOG_IF(FATAL, !FLAGS_new_image.empty() || !FLAGS_new_kernel.empty())
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<< "--new_image and --new_kernel are deprecated, please use "
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<< "--new_partitions for all partitions.";
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new_partitions = base::SplitString(
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FLAGS_new_partitions, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
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CHECK(partition_names.size() == new_partitions.size());
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payload_config.is_delta = !FLAGS_old_partitions.empty();
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LOG_IF(FATAL, !FLAGS_old_image.empty() || !FLAGS_old_kernel.empty())
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<< "--old_image and --old_kernel are deprecated, please use "
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<< "--old_partitions if you are using --new_partitions.";
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} else {
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new_partitions = {FLAGS_new_image, FLAGS_new_kernel};
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LOG(WARNING) << "--new_partitions is empty, using deprecated --new_image "
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<< "and --new_kernel flags.";
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payload_config.is_delta =
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!FLAGS_old_image.empty() || !FLAGS_old_kernel.empty();
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LOG_IF(FATAL, !FLAGS_old_partitions.empty())
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<< "Please use --new_partitions if you are using --old_partitions.";
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}
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for (size_t i = 0; i < partition_names.size(); i++) {
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LOG_IF(FATAL, partition_names[i].empty())
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<< "Partition name can't be empty, see --partition_names.";
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payload_config.target.partitions.emplace_back(partition_names[i]);
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payload_config.target.partitions.back().path = new_partitions[i];
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if (i < new_mapfiles.size())
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payload_config.target.partitions.back().mapfile_path = new_mapfiles[i];
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}
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if (payload_config.is_delta) {
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if (!FLAGS_old_partitions.empty()) {
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old_partitions = base::SplitString(FLAGS_old_partitions,
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":",
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base::TRIM_WHITESPACE,
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base::SPLIT_WANT_ALL);
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CHECK(old_partitions.size() == new_partitions.size());
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} else {
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old_partitions = {FLAGS_old_image, FLAGS_old_kernel};
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LOG(WARNING) << "--old_partitions is empty, using deprecated --old_image "
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<< "and --old_kernel flags.";
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}
|
for (size_t i = 0; i < partition_names.size(); i++) {
|
payload_config.source.partitions.emplace_back(partition_names[i]);
|
payload_config.source.partitions.back().path = old_partitions[i];
|
if (i < old_mapfiles.size())
|
payload_config.source.partitions.back().mapfile_path = old_mapfiles[i];
|
}
|
}
|
|
if (!FLAGS_in_file.empty()) {
|
return ApplyPayload(FLAGS_in_file, payload_config) ? 0 : 1;
|
}
|
|
if (!FLAGS_new_postinstall_config_file.empty()) {
|
LOG_IF(FATAL, FLAGS_major_version == kChromeOSMajorPayloadVersion)
|
<< "Postinstall config is only allowed in major version 2 or newer.";
|
brillo::KeyValueStore store;
|
CHECK(store.Load(base::FilePath(FLAGS_new_postinstall_config_file)));
|
CHECK(payload_config.target.LoadPostInstallConfig(store));
|
}
|
|
// Use the default soft_chunk_size defined in the config.
|
payload_config.hard_chunk_size = FLAGS_chunk_size;
|
payload_config.block_size = kBlockSize;
|
|
// The partition size is never passed to the delta_generator, so we
|
// need to detect those from the provided files.
|
if (payload_config.is_delta) {
|
CHECK(payload_config.source.LoadImageSize());
|
}
|
CHECK(payload_config.target.LoadImageSize());
|
|
if (!FLAGS_dynamic_partition_info_file.empty()) {
|
LOG_IF(FATAL, FLAGS_major_version == kChromeOSMajorPayloadVersion)
|
<< "Dynamic partition info is only allowed in major version 2 or "
|
"newer.";
|
brillo::KeyValueStore store;
|
CHECK(store.Load(base::FilePath(FLAGS_dynamic_partition_info_file)));
|
CHECK(payload_config.target.LoadDynamicPartitionMetadata(store));
|
CHECK(payload_config.target.ValidateDynamicPartitionMetadata());
|
}
|
|
CHECK(!FLAGS_out_file.empty());
|
|
// Ignore failures. These are optional arguments.
|
ParseImageInfo(FLAGS_new_channel,
|
FLAGS_new_board,
|
FLAGS_new_version,
|
FLAGS_new_key,
|
FLAGS_new_build_channel,
|
FLAGS_new_build_version,
|
&payload_config.target.image_info);
|
|
// Ignore failures. These are optional arguments.
|
ParseImageInfo(FLAGS_old_channel,
|
FLAGS_old_board,
|
FLAGS_old_version,
|
FLAGS_old_key,
|
FLAGS_old_build_channel,
|
FLAGS_old_build_version,
|
&payload_config.source.image_info);
|
|
payload_config.rootfs_partition_size = FLAGS_rootfs_partition_size;
|
|
if (payload_config.is_delta) {
|
// Avoid opening the filesystem interface for full payloads.
|
for (PartitionConfig& part : payload_config.target.partitions)
|
CHECK(part.OpenFilesystem());
|
for (PartitionConfig& part : payload_config.source.partitions)
|
CHECK(part.OpenFilesystem());
|
}
|
|
payload_config.version.major = FLAGS_major_version;
|
LOG(INFO) << "Using provided major_version=" << FLAGS_major_version;
|
|
if (FLAGS_minor_version == -1) {
|
// Autodetect minor_version by looking at the update_engine.conf in the old
|
// image.
|
if (payload_config.is_delta) {
|
payload_config.version.minor = kInPlaceMinorPayloadVersion;
|
brillo::KeyValueStore store;
|
uint32_t minor_version;
|
for (const PartitionConfig& part : payload_config.source.partitions) {
|
if (part.fs_interface && part.fs_interface->LoadSettings(&store) &&
|
utils::GetMinorVersion(store, &minor_version)) {
|
payload_config.version.minor = minor_version;
|
break;
|
}
|
}
|
} else {
|
payload_config.version.minor = kFullPayloadMinorVersion;
|
}
|
LOG(INFO) << "Auto-detected minor_version=" << payload_config.version.minor;
|
} else {
|
payload_config.version.minor = FLAGS_minor_version;
|
LOG(INFO) << "Using provided minor_version=" << FLAGS_minor_version;
|
}
|
|
payload_config.max_timestamp = FLAGS_max_timestamp;
|
|
if (payload_config.version.minor >= kVerityMinorPayloadVersion)
|
CHECK(payload_config.target.LoadVerityConfig());
|
|
LOG(INFO) << "Generating " << (payload_config.is_delta ? "delta" : "full")
|
<< " update";
|
|
// From this point, all the options have been parsed.
|
if (!payload_config.Validate()) {
|
LOG(ERROR) << "Invalid options passed. See errors above.";
|
return 1;
|
}
|
|
uint64_t metadata_size;
|
if (!GenerateUpdatePayloadFile(
|
payload_config, FLAGS_out_file, FLAGS_private_key, &metadata_size)) {
|
return 1;
|
}
|
if (!FLAGS_out_metadata_size_file.empty()) {
|
string metadata_size_string = std::to_string(metadata_size);
|
CHECK(utils::WriteFile(FLAGS_out_metadata_size_file.c_str(),
|
metadata_size_string.data(),
|
metadata_size_string.size()));
|
}
|
return 0;
|
}
|
|
} // namespace
|
|
} // namespace chromeos_update_engine
|
|
int main(int argc, char** argv) {
|
return chromeos_update_engine::Main(argc, argv);
|
}
|
