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android13/system/update_engine/payload_consumer/delta_performer_unittest.cc

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//
// Copyright (C) 2012 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 "update_engine/payload_consumer/delta_performer.h"
#include <endian.h>
#include <inttypes.h>
#include <time.h>
#include <algorithm>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <base/files/file_path.h>
#include <base/files/file_util.h>
#include <base/files/scoped_temp_dir.h>
#include <base/stl_util.h>
#include <base/strings/string_number_conversions.h>
#include <base/strings/string_util.h>
#include <base/strings/stringprintf.h>
#include <brillo/secure_blob.h>
#include <gmock/gmock.h>
#include <google/protobuf/repeated_field.h>
#include <gtest/gtest.h>
#include "update_engine/common/constants.h"
#include "update_engine/common/error_code.h"
#include "update_engine/common/fake_boot_control.h"
#include "update_engine/common/fake_hardware.h"
#include "update_engine/common/fake_prefs.h"
#include "update_engine/common/hardware_interface.h"
#include "update_engine/common/hash_calculator.h"
#include "update_engine/common/mock_download_action.h"
#include "update_engine/common/test_utils.h"
#include "update_engine/common/testing_constants.h"
#include "update_engine/common/utils.h"
#include "update_engine/payload_consumer/fake_file_descriptor.h"
#include "update_engine/payload_consumer/mock_partition_writer.h"
#include "update_engine/payload_consumer/payload_constants.h"
#include "update_engine/payload_consumer/payload_metadata.h"
#include "update_engine/payload_generator/bzip.h"
#include "update_engine/payload_generator/extent_ranges.h"
#include "update_engine/payload_generator/payload_file.h"
#include "update_engine/payload_generator/payload_signer.h"
#include "update_engine/update_metadata.pb.h"
namespace chromeos_update_engine {
using std::string;
using std::vector;
using test_utils::GetBuildArtifactsPath;
using test_utils::kRandomString;
using testing::_;
using testing::Return;
using ::testing::Sequence;
namespace {
const char kBogusMetadataSignature1[] =
"awSFIUdUZz2VWFiR+ku0Pj00V7bPQPQFYQSXjEXr3vaw3TE4xHV5CraY3/YrZpBv"
"J5z4dSBskoeuaO1TNC/S6E05t+yt36tE4Fh79tMnJ/z9fogBDXWgXLEUyG78IEQr"
"YH6/eBsQGT2RJtBgXIXbZ9W+5G9KmGDoPOoiaeNsDuqHiBc/58OFsrxskH8E6vMS"
"BmMGGk82mvgzic7ApcoURbCGey1b3Mwne/hPZ/bb9CIyky8Og9IfFMdL2uAweOIR"
"fjoTeLYZpt+WN65Vu7jJ0cQN8e1y+2yka5112wpRf/LLtPgiAjEZnsoYpLUd7CoV"
"pLRtClp97kN2+tXGNBQqkA==";
// Different options that determine what we should fill into the
// install_plan.metadata_signature to simulate the contents received in the
// Omaha response.
enum MetadataSignatureTest {
kEmptyMetadataSignature,
kInvalidMetadataSignature,
kValidMetadataSignature,
};
// Compressed data without checksum, generated with:
// echo -n "a$(head -c 4095 /dev/zero)" | xz -9 --check=none |
// hexdump -v -e '" " 12/1 "0x%02x, " "\n"'
const uint8_t kXzCompressedData[] = {
0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00, 0x00, 0x00, 0xff, 0x12, 0xd9, 0x41,
0x02, 0x00, 0x21, 0x01, 0x1c, 0x00, 0x00, 0x00, 0x10, 0xcf, 0x58, 0xcc,
0xe0, 0x0f, 0xff, 0x00, 0x1b, 0x5d, 0x00, 0x30, 0x80, 0x33, 0xff, 0xdf,
0xff, 0x51, 0xd6, 0xaf, 0x90, 0x1c, 0x1b, 0x4c, 0xaa, 0x3d, 0x7b, 0x28,
0xe4, 0x7a, 0x74, 0xbc, 0xe5, 0xa7, 0x33, 0x4e, 0xcf, 0x00, 0x00, 0x00,
0x00, 0x01, 0x2f, 0x80, 0x20, 0x00, 0x00, 0x00, 0x92, 0x7c, 0x7b, 0x24,
0xa8, 0x00, 0x0a, 0xfc, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x59, 0x5a,
};
// clang-format off
const uint8_t src_deflates[] = {
/* raw 0 */ 0x11, 0x22,
/* deflate 2 */ 0x63, 0x64, 0x62, 0x66, 0x61, 0x05, 0x00,
/* raw 9 */ 0x33,
/* deflate 10 */ 0x03, 0x00,
/* raw 12 */
/* deflate 12 */ 0x63, 0x04, 0x00,
/* raw 15 */ 0x44, 0x55
};
const uint8_t dst_deflates[] = {
/* deflate 0 */ 0x63, 0x64, 0x62, 0x66, 0x61, 0x05, 0x00,
/* raw 7 */ 0x33, 0x66,
/* deflate 9 */ 0x01, 0x05, 0x00, 0xFA, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x05,
/* deflate 19 */ 0x63, 0x04, 0x00
};
// clang-format on
// To generate this patch either:
// - Use puffin/src/patching_unittest.cc:TestPatching
// Or
// - Use the following approach:
// * Make src_deflate a string of hex with only spaces. (e.g. "0XTE 0xST")
// * echo "0XTE 0xST" | xxd -r -p > src.bin
// * Find the location of deflates in src_deflates (in bytes) in the format of
// "offset:length,...". (e.g. "2:7,10:2,12:3")
// * Do previous three steps for dst_deflates.
// * puffin --operation=puffdiff --src_file=src.bin --dst_file=dst.bin \
// --src_deflates_byte="2:7,10:2,12:3" --dst_deflates_byte="0:7,9:10,19:3" \
// --patch_file=patch.bin
// * hexdump -ve '" " 12/1 "0x%02x, " "\n"' patch.bin
const uint8_t puffdiff_patch[] = {
0x50, 0x55, 0x46, 0x31, 0x00, 0x00, 0x00, 0x51, 0x08, 0x01, 0x12, 0x27,
0x0A, 0x04, 0x08, 0x10, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x50, 0x10, 0x0A,
0x0A, 0x04, 0x08, 0x60, 0x10, 0x12, 0x12, 0x04, 0x08, 0x10, 0x10, 0x58,
0x12, 0x04, 0x08, 0x78, 0x10, 0x28, 0x12, 0x05, 0x08, 0xA8, 0x01, 0x10,
0x38, 0x18, 0x1F, 0x1A, 0x24, 0x0A, 0x02, 0x10, 0x32, 0x0A, 0x04, 0x08,
0x48, 0x10, 0x50, 0x0A, 0x05, 0x08, 0x98, 0x01, 0x10, 0x12, 0x12, 0x02,
0x10, 0x58, 0x12, 0x04, 0x08, 0x70, 0x10, 0x58, 0x12, 0x05, 0x08, 0xC8,
0x01, 0x10, 0x38, 0x18, 0x21, 0x42, 0x53, 0x44, 0x49, 0x46, 0x46, 0x34,
0x30, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0x65,
0x29, 0x8C, 0x9B, 0x00, 0x00, 0x03, 0x60, 0x40, 0x7A, 0x0E, 0x08, 0x00,
0x40, 0x00, 0x20, 0x00, 0x21, 0x22, 0x9A, 0x3D, 0x4F, 0x50, 0x40, 0x0C,
0x3B, 0xC7, 0x9B, 0xB2, 0x21, 0x0E, 0xE9, 0x15, 0x98, 0x7A, 0x7C, 0x5D,
0xC9, 0x14, 0xE1, 0x42, 0x41, 0x94, 0xA6, 0x32, 0x6C, 0x42, 0x5A, 0x68,
0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0xF1, 0x20, 0x5F, 0x0D, 0x00,
0x00, 0x02, 0x41, 0x15, 0x42, 0x08, 0x20, 0x00, 0x40, 0x00, 0x00, 0x02,
0x40, 0x00, 0x20, 0x00, 0x22, 0x3D, 0x23, 0x10, 0x86, 0x03, 0x96, 0x54,
0x11, 0x16, 0x5F, 0x17, 0x72, 0x45, 0x38, 0x50, 0x90, 0xF1, 0x20, 0x5F,
0x0D, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0x07,
0xD4, 0xCB, 0x6E, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x20, 0x00,
0x21, 0x18, 0x46, 0x82, 0xEE, 0x48, 0xA7, 0x0A, 0x12, 0x00, 0xFA, 0x99,
0x6D, 0xC0};
} // namespace
class DeltaPerformerTest : public ::testing::Test {
protected:
void SetUp() override {
install_plan_.source_slot = 0;
install_plan_.target_slot = 1;
EXPECT_CALL(mock_delegate_, ShouldCancel(_))
.WillRepeatedly(testing::Return(false));
// Set the public key corresponding to the unittest private key.
string public_key_path = GetBuildArtifactsPath(kUnittestPublicKeyPath);
EXPECT_TRUE(utils::FileExists(public_key_path.c_str()));
performer_.set_public_key_path(public_key_path);
}
// Test helper placed where it can easily be friended from DeltaPerformer.
void RunManifestValidation(const DeltaArchiveManifest& manifest,
uint64_t major_version,
InstallPayloadType payload_type,
ErrorCode expected) {
payload_.type = payload_type;
// The Manifest we are validating.
performer_.manifest_.CopyFrom(manifest);
performer_.major_payload_version_ = major_version;
EXPECT_EQ(expected, performer_.ValidateManifest());
}
brillo::Blob GeneratePayload(const brillo::Blob& blob_data,
const vector<AnnotatedOperation>& aops,
bool sign_payload,
PartitionConfig* old_part = nullptr) {
return GeneratePayload(blob_data,
aops,
sign_payload,
kMaxSupportedMajorPayloadVersion,
kMaxSupportedMinorPayloadVersion,
old_part);
}
brillo::Blob GeneratePayload(const brillo::Blob& blob_data,
const vector<AnnotatedOperation>& aops,
bool sign_payload,
uint64_t major_version,
uint32_t minor_version,
PartitionConfig* old_part = nullptr) {
ScopedTempFile blob_file("Blob-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(blob_file.path(), blob_data));
PayloadGenerationConfig config;
config.version.major = major_version;
config.version.minor = minor_version;
PayloadFile payload;
EXPECT_TRUE(payload.Init(config));
std::unique_ptr<PartitionConfig> old_part_uptr;
if (!old_part) {
old_part_uptr = std::make_unique<PartitionConfig>(kPartitionNameRoot);
old_part = old_part_uptr.get();
}
if (minor_version != kFullPayloadMinorVersion) {
// When generating a delta payload we need to include the old partition
// information to mark it as a delta payload.
if (old_part->path.empty()) {
old_part->path = "/dev/null";
}
}
PartitionConfig new_part(kPartitionNameRoot);
new_part.path = "/dev/zero";
new_part.size = 1234;
payload.AddPartition(*old_part, new_part, aops, {}, 0);
// We include a kernel partition without operations.
old_part->name = kPartitionNameKernel;
new_part.name = kPartitionNameKernel;
new_part.size = 0;
payload.AddPartition(*old_part, new_part, {}, {}, 0);
ScopedTempFile payload_file("Payload-XXXXXX");
string private_key =
sign_payload ? GetBuildArtifactsPath(kUnittestPrivateKeyPath) : "";
EXPECT_TRUE(payload.WritePayload(payload_file.path(),
blob_file.path(),
private_key,
&payload_.metadata_size));
brillo::Blob payload_data;
EXPECT_TRUE(utils::ReadFile(payload_file.path(), &payload_data));
return payload_data;
}
brillo::Blob GenerateSourceCopyPayload(const brillo::Blob& copied_data,
bool add_hash,
PartitionConfig* old_part = nullptr) {
PayloadGenerationConfig config;
const uint64_t kDefaultBlockSize = config.block_size;
EXPECT_EQ(0U, copied_data.size() % kDefaultBlockSize);
uint64_t num_blocks = copied_data.size() / kDefaultBlockSize;
AnnotatedOperation aop;
*(aop.op.add_src_extents()) = ExtentForRange(0, num_blocks);
*(aop.op.add_dst_extents()) = ExtentForRange(0, num_blocks);
aop.op.set_type(InstallOperation::SOURCE_COPY);
brillo::Blob src_hash;
EXPECT_TRUE(HashCalculator::RawHashOfData(copied_data, &src_hash));
if (add_hash)
aop.op.set_src_sha256_hash(src_hash.data(), src_hash.size());
return GeneratePayload(brillo::Blob(), {aop}, false, old_part);
}
// Apply |payload_data| on partition specified in |source_path|.
// Expect result of performer_.Write() to be |expect_success|.
// Returns the result of the payload application.
brillo::Blob ApplyPayload(const brillo::Blob& payload_data,
const string& source_path,
bool expect_success) {
return ApplyPayloadToData(
&performer_, payload_data, source_path, brillo::Blob(), expect_success);
}
brillo::Blob ApplyPayloadToData(const brillo::Blob& payload_data,
const string& source_path,
const brillo::Blob& target_data,
bool expect_success) {
return ApplyPayloadToData(
&performer_, payload_data, source_path, target_data, expect_success);
}
// Apply the payload provided in |payload_data| reading from the |source_path|
// file and writing the contents to a new partition. The existing data in the
// new target file are set to |target_data| before applying the payload.
// Expect result of performer_.Write() to be |expect_success|.
// Returns the result of the payload application.
brillo::Blob ApplyPayloadToData(DeltaPerformer* delta_performer,
const brillo::Blob& payload_data,
const string& source_path,
const brillo::Blob& target_data,
bool expect_success) {
ScopedTempFile new_part("Partition-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(new_part.path(), target_data));
payload_.size = payload_data.size();
// We installed the operations only in the rootfs partition, but the
// delta performer needs to access all the partitions.
fake_boot_control_.SetPartitionDevice(
kPartitionNameRoot, install_plan_.target_slot, new_part.path());
fake_boot_control_.SetPartitionDevice(
kPartitionNameRoot, install_plan_.source_slot, source_path);
fake_boot_control_.SetPartitionDevice(
kPartitionNameKernel, install_plan_.target_slot, "/dev/null");
fake_boot_control_.SetPartitionDevice(
kPartitionNameKernel, install_plan_.source_slot, "/dev/null");
EXPECT_EQ(expect_success,
delta_performer->Write(payload_data.data(), payload_data.size()));
EXPECT_EQ(0, performer_.Close());
brillo::Blob partition_data;
EXPECT_TRUE(utils::ReadFile(new_part.path(), &partition_data));
return partition_data;
}
// Calls delta performer's Write method by pretending to pass in bytes from a
// delta file whose metadata size is actual_metadata_size and tests if all
// checks are correctly performed if the install plan contains
// expected_metadata_size and that the result of the parsing are as per
// hash_checks_mandatory flag.
void DoMetadataSizeTest(uint64_t expected_metadata_size,
uint64_t actual_metadata_size,
bool hash_checks_mandatory) {
install_plan_.hash_checks_mandatory = hash_checks_mandatory;
// Set a valid magic string and version number 1.
EXPECT_TRUE(performer_.Write("CrAU", 4));
uint64_t version = htobe64(kBrilloMajorPayloadVersion);
EXPECT_TRUE(performer_.Write(&version, 8));
payload_.metadata_size = expected_metadata_size;
payload_.size = actual_metadata_size + 1;
ErrorCode error_code;
// When filling in size in manifest, exclude the size of the 24-byte header.
uint64_t size_in_manifest = htobe64(actual_metadata_size - 24);
performer_.Write(&size_in_manifest, 8, &error_code);
auto signature_size = htobe64(10);
bool result = performer_.Write(&signature_size, 4, &error_code);
if (expected_metadata_size == actual_metadata_size ||
!hash_checks_mandatory) {
EXPECT_TRUE(result);
} else {
EXPECT_FALSE(result);
EXPECT_EQ(ErrorCode::kDownloadInvalidMetadataSize, error_code);
}
EXPECT_LT(performer_.Close(), 0);
}
// Generates a valid delta file but tests the delta performer by supplying
// different metadata signatures as per metadata_signature_test flag and
// sees if the result of the parsing are as per hash_checks_mandatory flag.
void DoMetadataSignatureTest(MetadataSignatureTest metadata_signature_test,
bool sign_payload,
bool hash_checks_mandatory) {
// Loads the payload and parses the manifest.
brillo::Blob payload = GeneratePayload(brillo::Blob(),
vector<AnnotatedOperation>(),
sign_payload,
kBrilloMajorPayloadVersion,
kFullPayloadMinorVersion);
payload_.size = payload.size();
LOG(INFO) << "Payload size: " << payload.size();
install_plan_.hash_checks_mandatory = hash_checks_mandatory;
MetadataParseResult expected_result, actual_result;
ErrorCode expected_error, actual_error;
// Fill up the metadata signature in install plan according to the test.
switch (metadata_signature_test) {
case kEmptyMetadataSignature:
payload_.metadata_signature.clear();
// We need to set the signature size in a signed payload to zero.
std::fill(
std::next(payload.begin(), 20), std::next(payload.begin(), 24), 0);
expected_result = MetadataParseResult::kError;
expected_error = ErrorCode::kDownloadMetadataSignatureMissingError;
break;
case kInvalidMetadataSignature:
payload_.metadata_signature = kBogusMetadataSignature1;
expected_result = MetadataParseResult::kError;
expected_error = ErrorCode::kDownloadMetadataSignatureMismatch;
break;
case kValidMetadataSignature:
default:
// Set the install plan's metadata size to be the same as the one
// in the manifest so that we pass the metadata size checks. Only
// then we can get to manifest signature checks.
ASSERT_TRUE(PayloadSigner::GetMetadataSignature(
payload.data(),
payload_.metadata_size,
GetBuildArtifactsPath(kUnittestPrivateKeyPath),
&payload_.metadata_signature));
EXPECT_FALSE(payload_.metadata_signature.empty());
expected_result = MetadataParseResult::kSuccess;
expected_error = ErrorCode::kSuccess;
break;
}
// Ignore the expected result/error if hash checks are not mandatory.
if (!hash_checks_mandatory) {
expected_result = MetadataParseResult::kSuccess;
expected_error = ErrorCode::kSuccess;
}
// Init actual_error with an invalid value so that we make sure
// ParsePayloadMetadata properly populates it in all cases.
actual_error = ErrorCode::kUmaReportedMax;
actual_result = performer_.ParsePayloadMetadata(payload, &actual_error);
EXPECT_EQ(expected_result, actual_result);
EXPECT_EQ(expected_error, actual_error);
// Check that the parsed metadata size is what's expected. This test
// implicitly confirms that the metadata signature is valid, if required.
EXPECT_EQ(payload_.metadata_size, performer_.metadata_size_);
}
FakePrefs prefs_;
InstallPlan install_plan_;
InstallPlan::Payload payload_;
FakeBootControl fake_boot_control_;
FakeHardware fake_hardware_;
MockDownloadActionDelegate mock_delegate_;
FileDescriptorPtr fake_ecc_fd_;
DeltaPerformer performer_{&prefs_,
&fake_boot_control_,
&fake_hardware_,
&mock_delegate_,
&install_plan_,
&payload_,
false /* interactive */,
"" /* Update certs path */};
};
TEST_F(DeltaPerformerTest, FullPayloadWriteTest) {
payload_.type = InstallPayloadType::kFull;
brillo::Blob expected_data =
brillo::Blob(std::begin(kRandomString), std::end(kRandomString));
expected_data.resize(4096); // block size
vector<AnnotatedOperation> aops;
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(expected_data.size());
aop.op.set_type(InstallOperation::REPLACE);
aops.push_back(aop);
brillo::Blob payload_data = GeneratePayload(expected_data,
aops,
false,
kBrilloMajorPayloadVersion,
kFullPayloadMinorVersion);
EXPECT_EQ(expected_data, ApplyPayload(payload_data, "/dev/null", true));
}
TEST_F(DeltaPerformerTest, ShouldCancelTest) {
payload_.type = InstallPayloadType::kFull;
brillo::Blob expected_data =
brillo::Blob(std::begin(kRandomString), std::end(kRandomString));
expected_data.resize(4096); // block size
vector<AnnotatedOperation> aops;
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(expected_data.size());
aop.op.set_type(InstallOperation::REPLACE);
aops.push_back(aop);
brillo::Blob payload_data = GeneratePayload(expected_data,
aops,
false,
kBrilloMajorPayloadVersion,
kFullPayloadMinorVersion);
testing::Mock::VerifyAndClearExpectations(&mock_delegate_);
EXPECT_CALL(mock_delegate_, ShouldCancel(_))
.WillOnce(testing::DoAll(testing::SetArgPointee<0>(ErrorCode::kError),
testing::Return(true)));
ApplyPayload(payload_data, "/dev/null", false);
}
TEST_F(DeltaPerformerTest, ReplaceOperationTest) {
brillo::Blob expected_data =
brillo::Blob(std::begin(kRandomString), std::end(kRandomString));
expected_data.resize(4096); // block size
vector<AnnotatedOperation> aops;
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(expected_data.size());
aop.op.set_type(InstallOperation::REPLACE);
aops.push_back(aop);
brillo::Blob payload_data = GeneratePayload(expected_data, aops, false);
EXPECT_EQ(expected_data, ApplyPayload(payload_data, "/dev/null", true));
}
TEST_F(DeltaPerformerTest, ReplaceBzOperationTest) {
brillo::Blob expected_data =
brillo::Blob(std::begin(kRandomString), std::end(kRandomString));
expected_data.resize(4096); // block size
brillo::Blob bz_data;
EXPECT_TRUE(BzipCompress(expected_data, &bz_data));
vector<AnnotatedOperation> aops;
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(bz_data.size());
aop.op.set_type(InstallOperation::REPLACE_BZ);
aops.push_back(aop);
brillo::Blob payload_data = GeneratePayload(bz_data, aops, false);
EXPECT_EQ(expected_data, ApplyPayload(payload_data, "/dev/null", true));
}
TEST_F(DeltaPerformerTest, ReplaceXzOperationTest) {
brillo::Blob xz_data(std::begin(kXzCompressedData),
std::end(kXzCompressedData));
// The compressed xz data contains a single "a" and padded with zero for the
// rest of the block.
brillo::Blob expected_data = brillo::Blob(4096, 0);
expected_data[0] = 'a';
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(xz_data.size());
aop.op.set_type(InstallOperation::REPLACE_XZ);
vector<AnnotatedOperation> aops = {aop};
brillo::Blob payload_data = GeneratePayload(xz_data, aops, false);
EXPECT_EQ(expected_data, ApplyPayload(payload_data, "/dev/null", true));
}
TEST_F(DeltaPerformerTest, ZeroOperationTest) {
brillo::Blob existing_data = brillo::Blob(4096 * 10, 'a');
brillo::Blob expected_data = existing_data;
// Blocks 4, 5 and 7 should have zeros instead of 'a' after the operation is
// applied.
std::fill(
expected_data.data() + 4096 * 4, expected_data.data() + 4096 * 6, 0);
std::fill(
expected_data.data() + 4096 * 7, expected_data.data() + 4096 * 8, 0);
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(4, 2);
*(aop.op.add_dst_extents()) = ExtentForRange(7, 1);
aop.op.set_type(InstallOperation::ZERO);
vector<AnnotatedOperation> aops = {aop};
brillo::Blob payload_data = GeneratePayload(brillo::Blob(), aops, false);
EXPECT_EQ(expected_data,
ApplyPayloadToData(payload_data, "/dev/null", existing_data, true));
}
TEST_F(DeltaPerformerTest, SourceCopyOperationTest) {
brillo::Blob expected_data(std::begin(kRandomString),
std::end(kRandomString));
expected_data.resize(4096); // block size
AnnotatedOperation aop;
*(aop.op.add_src_extents()) = ExtentForRange(0, 1);
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_type(InstallOperation::SOURCE_COPY);
brillo::Blob src_hash;
EXPECT_TRUE(HashCalculator::RawHashOfData(expected_data, &src_hash));
aop.op.set_src_sha256_hash(src_hash.data(), src_hash.size());
ScopedTempFile source("Source-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(source.path(), expected_data));
PartitionConfig old_part(kPartitionNameRoot);
old_part.path = source.path();
old_part.size = expected_data.size();
brillo::Blob payload_data =
GeneratePayload(brillo::Blob(), {aop}, false, &old_part);
EXPECT_EQ(expected_data, ApplyPayload(payload_data, source.path(), true));
}
TEST_F(DeltaPerformerTest, PuffdiffOperationTest) {
AnnotatedOperation aop;
*(aop.op.add_src_extents()) = ExtentForRange(0, 1);
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
brillo::Blob puffdiff_payload(std::begin(puffdiff_patch),
std::end(puffdiff_patch));
aop.op.set_data_offset(0);
aop.op.set_data_length(puffdiff_payload.size());
aop.op.set_type(InstallOperation::PUFFDIFF);
brillo::Blob src(std::begin(src_deflates), std::end(src_deflates));
src.resize(4096); // block size
brillo::Blob src_hash;
EXPECT_TRUE(HashCalculator::RawHashOfData(src, &src_hash));
aop.op.set_src_sha256_hash(src_hash.data(), src_hash.size());
ScopedTempFile source("Source-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(source.path(), src));
PartitionConfig old_part(kPartitionNameRoot);
old_part.path = source.path();
old_part.size = src.size();
brillo::Blob payload_data =
GeneratePayload(puffdiff_payload, {aop}, false, &old_part);
brillo::Blob dst(std::begin(dst_deflates), std::end(dst_deflates));
EXPECT_EQ(dst, ApplyPayload(payload_data, source.path(), true));
}
TEST_F(DeltaPerformerTest, SourceHashMismatchTest) {
brillo::Blob expected_data = {'f', 'o', 'o'};
brillo::Blob actual_data = {'b', 'a', 'r'};
expected_data.resize(4096); // block size
actual_data.resize(4096); // block size
AnnotatedOperation aop;
*(aop.op.add_src_extents()) = ExtentForRange(0, 1);
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_type(InstallOperation::SOURCE_COPY);
brillo::Blob src_hash;
EXPECT_TRUE(HashCalculator::RawHashOfData(expected_data, &src_hash));
aop.op.set_src_sha256_hash(src_hash.data(), src_hash.size());
ScopedTempFile source("Source-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(source.path(), actual_data));
PartitionConfig old_part(kPartitionNameRoot);
old_part.path = source.path();
old_part.size = actual_data.size();
brillo::Blob payload_data =
GeneratePayload(brillo::Blob(), {aop}, false, &old_part);
// When source hash mismatches, PartitionWriter will refuse to write anything.
// Therefore we should expect an empty blob.
EXPECT_EQ(brillo::Blob{}, ApplyPayload(payload_data, source.path(), false));
}
TEST_F(DeltaPerformerTest, ExtentsToByteStringTest) {
uint64_t test[] = {1, 1, 4, 2, 0, 1};
static_assert(base::size(test) % 2 == 0, "Array size uneven");
const uint64_t block_size = 4096;
const uint64_t file_length = 4 * block_size - 13;
google::protobuf::RepeatedPtrField<Extent> extents;
for (size_t i = 0; i < base::size(test); i += 2) {
*(extents.Add()) = ExtentForRange(test[i], test[i + 1]);
}
string expected_output = "4096:4096,16384:8192,0:4083";
string actual_output;
EXPECT_TRUE(DeltaPerformer::ExtentsToBsdiffPositionsString(
extents, block_size, file_length, &actual_output));
EXPECT_EQ(expected_output, actual_output);
}
TEST_F(DeltaPerformerTest, ValidateManifestFullGoodTest) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
for (const auto& part_name : {"kernel", "rootfs"}) {
auto part = manifest.add_partitions();
part->set_partition_name(part_name);
part->mutable_new_partition_info();
}
manifest.set_minor_version(kFullPayloadMinorVersion);
RunManifestValidation(manifest,
kBrilloMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kSuccess);
}
TEST_F(DeltaPerformerTest, ValidateManifestDeltaMaxGoodTest) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
for (const auto& part_name : {"kernel", "rootfs"}) {
auto part = manifest.add_partitions();
part->set_partition_name(part_name);
part->mutable_old_partition_info();
part->mutable_new_partition_info();
}
manifest.set_minor_version(kMaxSupportedMinorPayloadVersion);
RunManifestValidation(manifest,
kBrilloMajorPayloadVersion,
InstallPayloadType::kDelta,
ErrorCode::kSuccess);
}
TEST_F(DeltaPerformerTest, ValidateManifestDeltaMinGoodTest) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
for (const auto& part_name : {"kernel", "rootfs"}) {
auto part = manifest.add_partitions();
part->set_partition_name(part_name);
part->mutable_old_partition_info();
part->mutable_new_partition_info();
}
manifest.set_minor_version(kMinSupportedMinorPayloadVersion);
RunManifestValidation(manifest,
kBrilloMajorPayloadVersion,
InstallPayloadType::kDelta,
ErrorCode::kSuccess);
}
TEST_F(DeltaPerformerTest, ValidateManifestFullUnsetMinorVersion) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
RunManifestValidation(manifest,
kMaxSupportedMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kSuccess);
}
TEST_F(DeltaPerformerTest, ValidateManifestDeltaUnsetMinorVersion) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
// Add an empty rootfs partition info to trick the DeltaPerformer into think
// that this is a delta payload manifest with a missing minor version.
auto rootfs = manifest.add_partitions();
rootfs->set_partition_name("rootfs");
rootfs->mutable_old_partition_info();
RunManifestValidation(manifest,
kMaxSupportedMajorPayloadVersion,
InstallPayloadType::kDelta,
ErrorCode::kUnsupportedMinorPayloadVersion);
}
TEST_F(DeltaPerformerTest, ValidateManifestFullOldKernelTest) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
for (const auto& part_name : {"kernel", "rootfs"}) {
auto part = manifest.add_partitions();
part->set_partition_name(part_name);
part->mutable_old_partition_info();
part->mutable_new_partition_info();
}
manifest.mutable_partitions(0)->clear_old_partition_info();
RunManifestValidation(manifest,
kBrilloMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kPayloadMismatchedType);
}
TEST_F(DeltaPerformerTest, ValidateManifestFullPartitionUpdateTest) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
PartitionUpdate* partition = manifest.add_partitions();
partition->mutable_old_partition_info();
partition->mutable_new_partition_info();
manifest.set_minor_version(kMaxSupportedMinorPayloadVersion);
RunManifestValidation(manifest,
kBrilloMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kPayloadMismatchedType);
}
TEST_F(DeltaPerformerTest, ValidateManifestBadMinorVersion) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
// Generate a bad version number.
manifest.set_minor_version(kMaxSupportedMinorPayloadVersion + 10000);
// Mark the manifest as a delta payload by setting |old_partition_info|.
manifest.add_partitions()->mutable_old_partition_info();
RunManifestValidation(manifest,
kMaxSupportedMajorPayloadVersion,
InstallPayloadType::kDelta,
ErrorCode::kUnsupportedMinorPayloadVersion);
}
TEST_F(DeltaPerformerTest, ValidateManifestDowngrade) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
manifest.set_minor_version(kFullPayloadMinorVersion);
manifest.set_max_timestamp(1);
fake_hardware_.SetBuildTimestamp(2);
RunManifestValidation(manifest,
kMaxSupportedMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kPayloadTimestampError);
}
TEST_F(DeltaPerformerTest, ValidatePerPartitionTimestampSuccess) {
// The Manifest we are validating.
DeltaArchiveManifest manifest;
manifest.set_minor_version(kFullPayloadMinorVersion);
manifest.set_max_timestamp(2);
fake_hardware_.SetBuildTimestamp(1);
auto& partition = *manifest.add_partitions();
partition.set_version("10");
partition.set_partition_name("system");
fake_hardware_.SetVersion("system", "5");
RunManifestValidation(manifest,
kMaxSupportedMajorPayloadVersion,
InstallPayloadType::kFull,
ErrorCode::kSuccess);
}
TEST_F(DeltaPerformerTest, BrilloMetadataSignatureSizeTest) {
unsigned int seed = time(nullptr);
EXPECT_TRUE(performer_.Write(kDeltaMagic, sizeof(kDeltaMagic)));
uint64_t major_version = htobe64(kBrilloMajorPayloadVersion);
EXPECT_TRUE(
performer_.Write(&major_version, PayloadMetadata::kDeltaVersionSize));
uint64_t manifest_size = rand_r(&seed) % 256;
uint32_t metadata_signature_size = rand_r(&seed) % 256;
// The payload size has to be bigger than the |metadata_size| and
// |metadata_signature_size|
payload_.size = PayloadMetadata::kDeltaManifestSizeOffset +
PayloadMetadata::kDeltaManifestSizeSize +
PayloadMetadata::kDeltaMetadataSignatureSizeSize +
manifest_size + metadata_signature_size + 1;
uint64_t manifest_size_be = htobe64(manifest_size);
EXPECT_TRUE(performer_.Write(&manifest_size_be,
PayloadMetadata::kDeltaManifestSizeSize));
uint32_t metadata_signature_size_be = htobe32(metadata_signature_size);
EXPECT_TRUE(
performer_.Write(&metadata_signature_size_be,
PayloadMetadata::kDeltaMetadataSignatureSizeSize));
EXPECT_LT(performer_.Close(), 0);
EXPECT_TRUE(performer_.IsHeaderParsed());
EXPECT_EQ(kBrilloMajorPayloadVersion, performer_.major_payload_version_);
EXPECT_EQ(24 + manifest_size, performer_.metadata_size_); // 4 + 8 + 8 + 4
EXPECT_EQ(metadata_signature_size, performer_.metadata_signature_size_);
}
TEST_F(DeltaPerformerTest, BrilloMetadataSizeNOKTest) {
unsigned int seed = time(nullptr);
EXPECT_TRUE(performer_.Write(kDeltaMagic, sizeof(kDeltaMagic)));
uint64_t major_version = htobe64(kBrilloMajorPayloadVersion);
EXPECT_TRUE(
performer_.Write(&major_version, PayloadMetadata::kDeltaVersionSize));
uint64_t manifest_size = UINT64_MAX - 600; // Subtract to avoid wrap around.
uint64_t manifest_offset = PayloadMetadata::kDeltaManifestSizeOffset +
PayloadMetadata::kDeltaManifestSizeSize +
PayloadMetadata::kDeltaMetadataSignatureSizeSize;
payload_.metadata_size = manifest_offset + manifest_size;
uint32_t metadata_signature_size = rand_r(&seed) % 256;
// The payload size is greater than the payload header but smaller than
// |metadata_signature_size| + |metadata_size|
payload_.size = manifest_offset + metadata_signature_size + 1;
uint64_t manifest_size_be = htobe64(manifest_size);
EXPECT_TRUE(performer_.Write(&manifest_size_be,
PayloadMetadata::kDeltaManifestSizeSize));
uint32_t metadata_signature_size_be = htobe32(metadata_signature_size);
ErrorCode error;
EXPECT_FALSE(
performer_.Write(&metadata_signature_size_be,
PayloadMetadata::kDeltaMetadataSignatureSizeSize + 1,
&error));
EXPECT_EQ(ErrorCode::kDownloadInvalidMetadataSize, error);
}
TEST_F(DeltaPerformerTest, BrilloMetadataSignatureSizeNOKTest) {
unsigned int seed = time(nullptr);
EXPECT_TRUE(performer_.Write(kDeltaMagic, sizeof(kDeltaMagic)));
uint64_t major_version = htobe64(kBrilloMajorPayloadVersion);
EXPECT_TRUE(
performer_.Write(&major_version, PayloadMetadata::kDeltaVersionSize));
uint64_t manifest_size = rand_r(&seed) % 256;
// Subtract from UINT32_MAX to avoid wrap around.
uint32_t metadata_signature_size = UINT32_MAX - 600;
// The payload size is greater than |manifest_size| but smaller than
// |metadata_signature_size|
payload_.size = manifest_size + 1;
uint64_t manifest_size_be = htobe64(manifest_size);
EXPECT_TRUE(performer_.Write(&manifest_size_be,
PayloadMetadata::kDeltaManifestSizeSize));
uint32_t metadata_signature_size_be = htobe32(metadata_signature_size);
ErrorCode error;
EXPECT_FALSE(
performer_.Write(&metadata_signature_size_be,
PayloadMetadata::kDeltaMetadataSignatureSizeSize + 1,
&error));
EXPECT_EQ(ErrorCode::kDownloadInvalidMetadataSize, error);
}
TEST_F(DeltaPerformerTest, BrilloParsePayloadMetadataTest) {
brillo::Blob payload_data = GeneratePayload(
{}, {}, true, kBrilloMajorPayloadVersion, kSourceMinorPayloadVersion);
install_plan_.hash_checks_mandatory = true;
payload_.size = payload_data.size();
ErrorCode error;
EXPECT_EQ(MetadataParseResult::kSuccess,
performer_.ParsePayloadMetadata(payload_data, &error));
EXPECT_EQ(ErrorCode::kSuccess, error);
}
TEST_F(DeltaPerformerTest, BadDeltaMagicTest) {
EXPECT_TRUE(performer_.Write("junk", 4));
EXPECT_FALSE(performer_.Write("morejunk", 8));
EXPECT_LT(performer_.Close(), 0);
}
TEST_F(DeltaPerformerTest, MissingMandatoryMetadataSizeTest) {
DoMetadataSizeTest(0, 75456, true);
}
TEST_F(DeltaPerformerTest, MissingNonMandatoryMetadataSizeTest) {
DoMetadataSizeTest(0, 123456, false);
}
TEST_F(DeltaPerformerTest, InvalidMandatoryMetadataSizeTest) {
DoMetadataSizeTest(13000, 140000, true);
}
TEST_F(DeltaPerformerTest, InvalidNonMandatoryMetadataSizeTest) {
DoMetadataSizeTest(40000, 50000, false);
}
TEST_F(DeltaPerformerTest, ValidMandatoryMetadataSizeTest) {
DoMetadataSizeTest(85376, 85376, true);
}
TEST_F(DeltaPerformerTest, MandatoryEmptyMetadataSignatureTest) {
DoMetadataSignatureTest(kEmptyMetadataSignature, true, true);
}
TEST_F(DeltaPerformerTest, NonMandatoryEmptyMetadataSignatureTest) {
DoMetadataSignatureTest(kEmptyMetadataSignature, true, false);
}
TEST_F(DeltaPerformerTest, MandatoryInvalidMetadataSignatureTest) {
DoMetadataSignatureTest(kInvalidMetadataSignature, true, true);
}
TEST_F(DeltaPerformerTest, NonMandatoryInvalidMetadataSignatureTest) {
DoMetadataSignatureTest(kInvalidMetadataSignature, true, false);
}
TEST_F(DeltaPerformerTest, MandatoryValidMetadataSignature1Test) {
DoMetadataSignatureTest(kValidMetadataSignature, false, true);
}
TEST_F(DeltaPerformerTest, MandatoryValidMetadataSignature2Test) {
DoMetadataSignatureTest(kValidMetadataSignature, true, true);
}
TEST_F(DeltaPerformerTest, NonMandatoryValidMetadataSignatureTest) {
DoMetadataSignatureTest(kValidMetadataSignature, true, false);
}
TEST_F(DeltaPerformerTest, UsePublicKeyFromResponse) {
// The result of the GetPublicKeyResponse() method is based on three things
//
// 1. Whether it's an official build; and
// 2. Whether the Public RSA key to be used is in the root filesystem; and
// 3. Whether the response has a public key
//
// We test all eight combinations to ensure that we only use the
// public key in the response if
//
// a. it's not an official build; and
// b. there is no key in the root filesystem.
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
string non_existing_file = temp_dir.GetPath().Append("non-existing").value();
string existing_file = temp_dir.GetPath().Append("existing").value();
constexpr char kExistingKey[] = "Existing";
ASSERT_TRUE(test_utils::WriteFileString(existing_file, kExistingKey));
// Non-official build, non-existing public-key, key in response ->
// kResponseKey
fake_hardware_.SetIsOfficialBuild(false);
performer_.public_key_path_ = non_existing_file;
// This is the result of 'echo -n "Response" | base64' and is not meant to be
// a valid public key, but it is valid base-64.
constexpr char kResponseKey[] = "Response";
constexpr char kBase64ResponseKey[] = "UmVzcG9uc2U=";
install_plan_.public_key_rsa = kBase64ResponseKey;
string public_key;
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_EQ(public_key, kResponseKey);
// Same with official build -> no key
fake_hardware_.SetIsOfficialBuild(true);
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_TRUE(public_key.empty());
// Non-official build, existing public-key, key in response -> kExistingKey
fake_hardware_.SetIsOfficialBuild(false);
performer_.public_key_path_ = existing_file;
install_plan_.public_key_rsa = kBase64ResponseKey;
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_EQ(public_key, kExistingKey);
// Same with official build -> kExistingKey
fake_hardware_.SetIsOfficialBuild(true);
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_EQ(public_key, kExistingKey);
// Non-official build, non-existing public-key, no key in response -> no key
fake_hardware_.SetIsOfficialBuild(false);
performer_.public_key_path_ = non_existing_file;
install_plan_.public_key_rsa = "";
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_TRUE(public_key.empty());
// Same with official build -> no key
fake_hardware_.SetIsOfficialBuild(true);
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_TRUE(public_key.empty());
// Non-official build, existing public-key, no key in response -> kExistingKey
fake_hardware_.SetIsOfficialBuild(false);
performer_.public_key_path_ = existing_file;
install_plan_.public_key_rsa = "";
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_EQ(public_key, kExistingKey);
// Same with official build -> kExistingKey
fake_hardware_.SetIsOfficialBuild(true);
EXPECT_TRUE(performer_.GetPublicKey(&public_key));
EXPECT_EQ(public_key, kExistingKey);
// Non-official build, non-existing public-key, key in response
// but invalid base64 -> false
fake_hardware_.SetIsOfficialBuild(false);
performer_.public_key_path_ = non_existing_file;
install_plan_.public_key_rsa = "not-valid-base64";
EXPECT_FALSE(performer_.GetPublicKey(&public_key));
}
// TODO(197361113) re-enable the test after we bump the version in config.
TEST(DISABLED_ConfVersionTest, ConfVersionsMatch) {
// Test that the versions in update_engine.conf that is installed to the
// image match the maximum supported delta versions in the update engine.
uint32_t minor_version;
brillo::KeyValueStore store;
EXPECT_TRUE(store.Load(GetBuildArtifactsPath().Append("update_engine.conf")));
EXPECT_TRUE(utils::GetMinorVersion(store, &minor_version));
EXPECT_EQ(kMaxSupportedMinorPayloadVersion, minor_version);
string major_version_str;
uint64_t major_version;
EXPECT_TRUE(store.GetString("PAYLOAD_MAJOR_VERSION", &major_version_str));
EXPECT_TRUE(base::StringToUint64(major_version_str, &major_version));
EXPECT_EQ(kMaxSupportedMajorPayloadVersion, major_version);
}
TEST_F(DeltaPerformerTest, FullPayloadCanResumeTest) {
payload_.type = InstallPayloadType::kFull;
brillo::Blob expected_data =
brillo::Blob(std::begin(kRandomString), std::end(kRandomString));
expected_data.resize(4096); // block size
vector<AnnotatedOperation> aops;
AnnotatedOperation aop;
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_data_offset(0);
aop.op.set_data_length(expected_data.size());
aop.op.set_type(InstallOperation::REPLACE);
aops.push_back(aop);
brillo::Blob payload_data = GeneratePayload(expected_data,
aops,
false,
kBrilloMajorPayloadVersion,
kFullPayloadMinorVersion);
ASSERT_EQ(expected_data, ApplyPayload(payload_data, "/dev/null", true));
performer_.CheckpointUpdateProgress(true);
const std::string payload_id = "12345";
prefs_.SetString(kPrefsUpdateCheckResponseHash, payload_id);
ASSERT_TRUE(DeltaPerformer::CanResumeUpdate(&prefs_, payload_id));
}
class TestDeltaPerformer : public DeltaPerformer {
public:
using DeltaPerformer::DeltaPerformer;
std::unique_ptr<PartitionWriterInterface> CreatePartitionWriter(
const PartitionUpdate& partition_update,
const InstallPlan::Partition& install_part,
DynamicPartitionControlInterface* dynamic_control,
size_t block_size,
bool is_interactive,
bool is_dynamic_partition) {
LOG(INFO) << __FUNCTION__ << ": " << install_part.name;
auto node = partition_writers_.extract(install_part.name);
return std::move(node.mapped());
}
bool ShouldCheckpoint() override { return true; }
std::map<std::string, std::unique_ptr<MockPartitionWriter>>
partition_writers_;
};
namespace {
AnnotatedOperation GetSourceCopyOp(uint32_t src_block,
uint32_t dst_block,
const void* data,
size_t length) {
AnnotatedOperation aop;
*(aop.op.add_src_extents()) = ExtentForRange(0, 1);
*(aop.op.add_dst_extents()) = ExtentForRange(0, 1);
aop.op.set_type(InstallOperation::SOURCE_COPY);
brillo::Blob src_hash;
HashCalculator::RawHashOfBytes(data, length, &src_hash);
aop.op.set_src_sha256_hash(src_hash.data(), src_hash.size());
return aop;
}
} // namespace
TEST_F(DeltaPerformerTest, SetNextOpIndex) {
TestDeltaPerformer delta_performer{&prefs_,
&fake_boot_control_,
&fake_hardware_,
&mock_delegate_,
&install_plan_,
&payload_,
false};
brillo::Blob expected_data(std::begin(kRandomString),
std::end(kRandomString));
expected_data.resize(4096 * 2); // block size
AnnotatedOperation aop;
ScopedTempFile source("Source-XXXXXX");
EXPECT_TRUE(test_utils::WriteFileVector(source.path(), expected_data));
PartitionConfig old_part(kPartitionNameRoot);
old_part.path = source.path();
old_part.size = expected_data.size();
delta_performer.partition_writers_[kPartitionNameRoot] =
std::make_unique<MockPartitionWriter>();
auto& writer1 = *delta_performer.partition_writers_[kPartitionNameRoot];
Sequence seq;
std::vector<size_t> indices;
EXPECT_CALL(writer1, CheckpointUpdateProgress(_))
.WillRepeatedly(
[&indices](size_t index) mutable { indices.emplace_back(index); });
EXPECT_CALL(writer1, Init(_, true, _)).Times(1).WillOnce(Return(true));
EXPECT_CALL(writer1, PerformSourceCopyOperation(_, _))
.Times(2)
.WillRepeatedly(Return(true));
brillo::Blob payload_data = GeneratePayload(
brillo::Blob(),
{GetSourceCopyOp(0, 0, expected_data.data(), 4096),
GetSourceCopyOp(1, 1, expected_data.data() + 4096, 4096)},
false,
&old_part);
ApplyPayloadToData(&delta_performer, payload_data, source.path(), {}, true);
ASSERT_TRUE(std::is_sorted(indices.begin(), indices.end()));
ASSERT_GT(indices.size(), 0UL);
// Should be equal to number of operations
ASSERT_EQ(indices[indices.size() - 1], 2UL);
}
} // namespace chromeos_update_engine
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