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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/scopeguard.h>
#include <android-base/strings.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <libavb/libavb.h>
#include <ziparchive/zip_archive.h>
#include "apex_file.h"
#include "apex_preinstalled_data.h"
using android::base::Result;
static std::string testDataDir = android::base::GetExecutableDirectory() + "/";
namespace android {
namespace apex {
namespace {
struct ApexFileTestParam {
const char* type;
const char* prefix;
};
constexpr const ApexFileTestParam kParameters[] = {
{"ext4", "apex.apexd_test"},
{"f2fs", "apex.apexd_test_f2fs"},
{"erofs", "apex.apexd_test_erofs"}};
class ApexFileTest : public ::testing::TestWithParam<ApexFileTestParam> {};
INSTANTIATE_TEST_SUITE_P(Apex, ApexFileTest, testing::ValuesIn(kParameters));
TEST_P(ApexFileTest, GetOffsetOfSimplePackage) {
const std::string filePath = testDataDir + GetParam().prefix + ".apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_TRUE(apexFile.ok());
int32_t zip_image_offset;
size_t zip_image_size;
{
ZipArchiveHandle handle;
int32_t rc = OpenArchive(filePath.c_str(), &handle);
ASSERT_EQ(0, rc);
auto close_guard =
android::base::make_scope_guard([&handle]() { CloseArchive(handle); });
ZipEntry entry;
rc = FindEntry(handle, "apex_payload.img", &entry);
ASSERT_EQ(0, rc);
zip_image_offset = entry.offset;
EXPECT_EQ(zip_image_offset % 4096, 0);
zip_image_size = entry.uncompressed_length;
EXPECT_EQ(zip_image_size, entry.compressed_length);
}
EXPECT_EQ(zip_image_offset, apexFile->GetImageOffset());
EXPECT_EQ(zip_image_size, apexFile->GetImageSize());
}
TEST(ApexFileTest, GetOffsetMissingFile) {
const std::string filePath = testDataDir + "missing.apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_FALSE(apexFile.ok());
ASSERT_THAT(apexFile.error().message(),
testing::HasSubstr("Failed to open package"));
}
TEST_P(ApexFileTest, GetApexManifest) {
const std::string filePath = testDataDir + GetParam().prefix + ".apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_RESULT_OK(apexFile);
EXPECT_EQ("com.android.apex.test_package", apexFile->GetManifest().name());
EXPECT_EQ(1u, apexFile->GetManifest().version());
}
TEST_P(ApexFileTest, VerifyApexVerity) {
ASSERT_RESULT_OK(collectPreinstalledData({"/system_ext/apex"}));
const std::string filePath = testDataDir + GetParam().prefix + ".apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_RESULT_OK(apexFile);
auto verity_or = apexFile->VerifyApexVerity();
ASSERT_RESULT_OK(verity_or);
const ApexVerityData& data = *verity_or;
EXPECT_NE(nullptr, data.desc.get());
EXPECT_EQ(std::string("368a22e64858647bc45498e92f749f85482ac468"
"50ca7ec8071f49dfa47a243c"),
data.salt);
const std::string digestPath =
testDataDir + GetParam().prefix + "_digest.txt";
std::string rootDigest;
ASSERT_TRUE(android::base::ReadFileToString(digestPath, &rootDigest))
<< "Failed to read " << digestPath;
rootDigest = android::base::Trim(rootDigest);
EXPECT_EQ(std::string(rootDigest), data.root_digest);
}
// TODO: May consider packaging a debug key in debug builds (again).
TEST(ApexFileTest, DISABLED_VerifyApexVerityNoKeyDir) {
const std::string filePath = testDataDir + "apex.apexd_test.apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_RESULT_OK(apexFile);
auto verity_or = apexFile->VerifyApexVerity();
ASSERT_FALSE(verity_or.ok());
}
TEST_P(ApexFileTest, VerifyApexVerityNoKeyInst) {
const std::string filePath =
testDataDir + GetParam().prefix + "_no_inst_key.apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_RESULT_OK(apexFile);
auto verity_or = apexFile->VerifyApexVerity();
ASSERT_FALSE(verity_or.ok());
}
TEST_P(ApexFileTest, GetBundledPublicKey) {
const std::string filePath = testDataDir + GetParam().prefix + ".apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_RESULT_OK(apexFile);
const std::string keyPath =
testDataDir + "apexd_testdata/com.android.apex.test_package.avbpubkey";
std::string keyContent;
ASSERT_TRUE(android::base::ReadFileToString(keyPath, &keyContent))
<< "Failed to read " << keyPath;
EXPECT_EQ(keyContent, apexFile->GetBundledPublicKey());
}
TEST(ApexFileTest, CorrutedApex_b146895998) {
const std::string apex_path = testDataDir + "corrupted_b146895998.apex";
Result<ApexFile> apex = ApexFile::Open(apex_path);
ASSERT_RESULT_OK(apex);
ASSERT_FALSE(apex->VerifyApexVerity());
}
TEST_P(ApexFileTest, RetrieveFsType) {
const std::string filePath = testDataDir + GetParam().prefix + ".apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_TRUE(apexFile.ok());
EXPECT_EQ(std::string(GetParam().type), apexFile->GetFsType());
}
TEST(ApexFileTest, OpenInvalidFilesystem) {
const std::string filePath =
testDataDir + "apex.apexd_test_corrupt_superblock_apex.apex";
Result<ApexFile> apexFile = ApexFile::Open(filePath);
ASSERT_FALSE(apexFile.ok());
ASSERT_THAT(apexFile.error().message(),
testing::HasSubstr("Failed to retrieve filesystem type"));
}
} // namespace
} // namespace apex
} // namespace android
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