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/*
* Copyright (C) 2017 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 agree 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 <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <algorithm>
#include <string>
#include <vector>
#include <android-base/file.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
#include <vintf/VintfObjectRecovery.h>
#include <ziparchive/zip_archive.h>
#include <ziparchive/zip_writer.h>
#include "install.h"
#include "otautil/paths.h"
#include "private/install.h"
TEST(InstallTest, verify_package_compatibility_no_entry) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
// The archive must have something to be opened correctly.
ASSERT_EQ(0, writer.StartEntry("dummy_entry", 0));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
// Doesn't contain compatibility zip entry.
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
ASSERT_TRUE(verify_package_compatibility(zip));
CloseArchive(zip);
}
TEST(InstallTest, verify_package_compatibility_invalid_entry) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("compatibility.zip", 0));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
// Empty compatibility zip entry.
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
ASSERT_FALSE(verify_package_compatibility(zip));
CloseArchive(zip);
}
TEST(InstallTest, read_metadata_from_package_smoke) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("META-INF/com/android/metadata", kCompressStored));
const std::string content("abcdefg");
ASSERT_EQ(0, writer.WriteBytes(content.data(), content.size()));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
std::string metadata;
ASSERT_TRUE(read_metadata_from_package(zip, &metadata));
ASSERT_EQ(content, metadata);
CloseArchive(zip);
TemporaryFile temp_file2;
FILE* zip_file2 = fdopen(temp_file2.release(), "w");
ZipWriter writer2(zip_file2);
ASSERT_EQ(0, writer2.StartEntry("META-INF/com/android/metadata", kCompressDeflated));
ASSERT_EQ(0, writer2.WriteBytes(content.data(), content.size()));
ASSERT_EQ(0, writer2.FinishEntry());
ASSERT_EQ(0, writer2.Finish());
ASSERT_EQ(0, fclose(zip_file2));
ASSERT_EQ(0, OpenArchive(temp_file2.path, &zip));
metadata.clear();
ASSERT_TRUE(read_metadata_from_package(zip, &metadata));
ASSERT_EQ(content, metadata);
CloseArchive(zip);
}
TEST(InstallTest, read_metadata_from_package_no_entry) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("dummy_entry", kCompressStored));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
std::string metadata;
ASSERT_FALSE(read_metadata_from_package(zip, &metadata));
CloseArchive(zip);
}
TEST(InstallTest, verify_package_compatibility_with_libvintf_malformed_xml) {
TemporaryFile compatibility_zip_file;
FILE* compatibility_zip = fdopen(compatibility_zip_file.release(), "w");
ZipWriter compatibility_zip_writer(compatibility_zip);
ASSERT_EQ(0, compatibility_zip_writer.StartEntry("system_manifest.xml", kCompressDeflated));
std::string malformed_xml = "malformed";
ASSERT_EQ(0, compatibility_zip_writer.WriteBytes(malformed_xml.data(), malformed_xml.size()));
ASSERT_EQ(0, compatibility_zip_writer.FinishEntry());
ASSERT_EQ(0, compatibility_zip_writer.Finish());
ASSERT_EQ(0, fclose(compatibility_zip));
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("compatibility.zip", kCompressStored));
std::string compatibility_zip_content;
ASSERT_TRUE(
android::base::ReadFileToString(compatibility_zip_file.path, &compatibility_zip_content));
ASSERT_EQ(0,
writer.WriteBytes(compatibility_zip_content.data(), compatibility_zip_content.size()));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
std::vector<std::string> compatibility_info;
compatibility_info.push_back(malformed_xml);
// Malformed compatibility zip is expected to be rejected by libvintf. But we defer that to
// libvintf.
std::string err;
bool result =
android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err) == 0;
ASSERT_EQ(result, verify_package_compatibility(zip));
CloseArchive(zip);
}
TEST(InstallTest, verify_package_compatibility_with_libvintf_system_manifest_xml) {
static constexpr const char* system_manifest_xml_path = "/system/manifest.xml";
if (access(system_manifest_xml_path, R_OK) == -1) {
GTEST_LOG_(INFO) << "Test skipped on devices w/o /system/manifest.xml.";
return;
}
std::string system_manifest_xml_content;
ASSERT_TRUE(
android::base::ReadFileToString(system_manifest_xml_path, &system_manifest_xml_content));
TemporaryFile compatibility_zip_file;
FILE* compatibility_zip = fdopen(compatibility_zip_file.release(), "w");
ZipWriter compatibility_zip_writer(compatibility_zip);
ASSERT_EQ(0, compatibility_zip_writer.StartEntry("system_manifest.xml", kCompressDeflated));
ASSERT_EQ(0, compatibility_zip_writer.WriteBytes(system_manifest_xml_content.data(),
system_manifest_xml_content.size()));
ASSERT_EQ(0, compatibility_zip_writer.FinishEntry());
ASSERT_EQ(0, compatibility_zip_writer.Finish());
ASSERT_EQ(0, fclose(compatibility_zip));
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("compatibility.zip", kCompressStored));
std::string compatibility_zip_content;
ASSERT_TRUE(
android::base::ReadFileToString(compatibility_zip_file.path, &compatibility_zip_content));
ASSERT_EQ(0,
writer.WriteBytes(compatibility_zip_content.data(), compatibility_zip_content.size()));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
std::vector<std::string> compatibility_info;
compatibility_info.push_back(system_manifest_xml_content);
std::string err;
bool result =
android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err) == 0;
// Make sure the result is consistent with libvintf library.
ASSERT_EQ(result, verify_package_compatibility(zip));
CloseArchive(zip);
}
TEST(InstallTest, SetUpNonAbUpdateCommands) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
static constexpr const char* UPDATE_BINARY_NAME = "META-INF/com/google/android/update-binary";
ASSERT_EQ(0, writer.StartEntry(UPDATE_BINARY_NAME, kCompressStored));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
int status_fd = 10;
std::string package = "/path/to/update.zip";
TemporaryDir td;
std::string binary_path = std::string(td.path) + "/update_binary";
Paths::Get().set_temporary_update_binary(binary_path);
std::vector<std::string> cmd;
ASSERT_EQ(0, SetUpNonAbUpdateCommands(package, zip, 0, status_fd, &cmd));
ASSERT_EQ(4U, cmd.size());
ASSERT_EQ(binary_path, cmd[0]);
ASSERT_EQ("3", cmd[1]); // RECOVERY_API_VERSION
ASSERT_EQ(std::to_string(status_fd), cmd[2]);
ASSERT_EQ(package, cmd[3]);
struct stat sb;
ASSERT_EQ(0, stat(binary_path.c_str(), &sb));
ASSERT_EQ(static_cast<mode_t>(0755), sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO));
// With non-zero retry count. update_binary will be removed automatically.
cmd.clear();
ASSERT_EQ(0, SetUpNonAbUpdateCommands(package, zip, 2, status_fd, &cmd));
ASSERT_EQ(5U, cmd.size());
ASSERT_EQ(binary_path, cmd[0]);
ASSERT_EQ("3", cmd[1]); // RECOVERY_API_VERSION
ASSERT_EQ(std::to_string(status_fd), cmd[2]);
ASSERT_EQ(package, cmd[3]);
ASSERT_EQ("retry", cmd[4]);
sb = {};
ASSERT_EQ(0, stat(binary_path.c_str(), &sb));
ASSERT_EQ(static_cast<mode_t>(0755), sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO));
CloseArchive(zip);
}
TEST(InstallTest, SetUpNonAbUpdateCommands_MissingUpdateBinary) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
// The archive must have something to be opened correctly.
ASSERT_EQ(0, writer.StartEntry("dummy_entry", 0));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
// Missing update binary.
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
int status_fd = 10;
std::string package = "/path/to/update.zip";
TemporaryDir td;
Paths::Get().set_temporary_update_binary(std::string(td.path) + "/update_binary");
std::vector<std::string> cmd;
ASSERT_EQ(INSTALL_CORRUPT, SetUpNonAbUpdateCommands(package, zip, 0, status_fd, &cmd));
CloseArchive(zip);
}
static void VerifyAbUpdateCommands(const std::string& serialno, bool success = true) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
ASSERT_EQ(0, writer.StartEntry("payload.bin", kCompressStored));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.StartEntry("payload_properties.txt", kCompressStored));
const std::string properties = "some_properties";
ASSERT_EQ(0, writer.WriteBytes(properties.data(), properties.size()));
ASSERT_EQ(0, writer.FinishEntry());
// A metadata entry is mandatory.
ASSERT_EQ(0, writer.StartEntry("META-INF/com/android/metadata", kCompressStored));
std::string device = android::base::GetProperty("ro.product.device", "");
ASSERT_NE("", device);
std::string timestamp = android::base::GetProperty("ro.build.date.utc", "");
ASSERT_NE("", timestamp);
std::vector<std::string> meta{ "ota-type=AB", "pre-device=" + device,
"post-timestamp=" + timestamp };
if (!serialno.empty()) {
meta.push_back("serialno=" + serialno);
}
std::string metadata = android::base::Join(meta, "\n");
ASSERT_EQ(0, writer.WriteBytes(metadata.data(), metadata.size()));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
ZipString payload_name("payload.bin");
ZipEntry payload_entry;
ASSERT_EQ(0, FindEntry(zip, payload_name, &payload_entry));
int status_fd = 10;
std::string package = "/path/to/update.zip";
std::vector<std::string> cmd;
if (success) {
ASSERT_EQ(0, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
ASSERT_EQ(5U, cmd.size());
ASSERT_EQ("/sbin/update_engine_sideload", cmd[0]);
ASSERT_EQ("--payload=file://" + package, cmd[1]);
ASSERT_EQ("--offset=" + std::to_string(payload_entry.offset), cmd[2]);
ASSERT_EQ("--headers=" + properties, cmd[3]);
ASSERT_EQ("--status_fd=" + std::to_string(status_fd), cmd[4]);
} else {
ASSERT_EQ(INSTALL_ERROR, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
}
CloseArchive(zip);
}
TEST(InstallTest, SetUpAbUpdateCommands) {
// Empty serialno will pass the verification.
VerifyAbUpdateCommands({});
}
TEST(InstallTest, SetUpAbUpdateCommands_MissingPayloadPropertiesTxt) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
// Missing payload_properties.txt.
ASSERT_EQ(0, writer.StartEntry("payload.bin", kCompressStored));
ASSERT_EQ(0, writer.FinishEntry());
// A metadata entry is mandatory.
ASSERT_EQ(0, writer.StartEntry("META-INF/com/android/metadata", kCompressStored));
std::string device = android::base::GetProperty("ro.product.device", "");
ASSERT_NE("", device);
std::string timestamp = android::base::GetProperty("ro.build.date.utc", "");
ASSERT_NE("", timestamp);
std::string metadata = android::base::Join(
std::vector<std::string>{
"ota-type=AB", "pre-device=" + device, "post-timestamp=" + timestamp,
},
"\n");
ASSERT_EQ(0, writer.WriteBytes(metadata.data(), metadata.size()));
ASSERT_EQ(0, writer.FinishEntry());
ASSERT_EQ(0, writer.Finish());
ASSERT_EQ(0, fclose(zip_file));
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
int status_fd = 10;
std::string package = "/path/to/update.zip";
std::vector<std::string> cmd;
ASSERT_EQ(INSTALL_CORRUPT, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
CloseArchive(zip);
}
TEST(InstallTest, SetUpAbUpdateCommands_MultipleSerialnos) {
std::string serialno = android::base::GetProperty("ro.serialno", "");
ASSERT_NE("", serialno);
// Single matching serialno will pass the verification.
VerifyAbUpdateCommands(serialno);
static constexpr char alphabet[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
auto generator = []() { return alphabet[rand() % (sizeof(alphabet) - 1)]; };
// Generate 900 random serial numbers.
std::string random_serialno;
for (size_t i = 0; i < 900; i++) {
generate_n(back_inserter(random_serialno), serialno.size(), generator);
random_serialno.append("|");
}
// Random serialnos should fail the verification.
VerifyAbUpdateCommands(random_serialno, false);
std::string long_serialno = random_serialno + serialno + "|";
for (size_t i = 0; i < 99; i++) {
generate_n(back_inserter(long_serialno), serialno.size(), generator);
long_serialno.append("|");
}
// String with the matching serialno should pass the verification.
VerifyAbUpdateCommands(long_serialno);
}