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-rw-r--r--install.cpp82
-rw-r--r--tests/component/install_test.cpp50
2 files changed, 89 insertions, 43 deletions
diff --git a/install.cpp b/install.cpp
index 95794ce07..73ddf5e92 100644
--- a/install.cpp
+++ b/install.cpp
@@ -56,8 +56,6 @@
using namespace std::chrono_literals;
-static constexpr const char* METADATA_PATH = "META-INF/com/android/metadata";
-
// Default allocation of progress bar segments to operations
static constexpr int VERIFICATION_PROGRESS_TIME = 60;
static constexpr float VERIFICATION_PROGRESS_FRACTION = 0.25;
@@ -79,53 +77,51 @@ static int parse_build_number(const std::string& str) {
return -1;
}
-bool read_metadata_from_package(ZipArchiveHandle zip, std::string* meta_data) {
- ZipString metadata_path(METADATA_PATH);
- ZipEntry meta_entry;
- if (meta_data == nullptr) {
- LOG(ERROR) << "string* meta_data can't be nullptr";
- return false;
- }
- if (FindEntry(zip, metadata_path, &meta_entry) != 0) {
- LOG(ERROR) << "Failed to find " << METADATA_PATH << " in update package";
- return false;
- }
+bool read_metadata_from_package(ZipArchiveHandle zip, std::string* metadata) {
+ CHECK(metadata != nullptr);
- meta_data->resize(meta_entry.uncompressed_length, '\0');
- if (ExtractToMemory(zip, &meta_entry, reinterpret_cast<uint8_t*>(&(*meta_data)[0]),
- meta_entry.uncompressed_length) != 0) {
- LOG(ERROR) << "Failed to read metadata in update package";
- return false;
- }
- return true;
+ static constexpr const char* METADATA_PATH = "META-INF/com/android/metadata";
+ ZipString path(METADATA_PATH);
+ ZipEntry entry;
+ if (FindEntry(zip, path, &entry) != 0) {
+ LOG(ERROR) << "Failed to find " << METADATA_PATH;
+ return false;
+ }
+
+ uint32_t length = entry.uncompressed_length;
+ metadata->resize(length, '\0');
+ int32_t err = ExtractToMemory(zip, &entry, reinterpret_cast<uint8_t*>(&(*metadata)[0]), length);
+ if (err != 0) {
+ LOG(ERROR) << "Failed to extract " << METADATA_PATH << ": " << ErrorCodeString(err);
+ return false;
+ }
+ return true;
}
// Read the build.version.incremental of src/tgt from the metadata and log it to last_install.
static void read_source_target_build(ZipArchiveHandle zip, std::vector<std::string>& log_buffer) {
- std::string meta_data;
- if (!read_metadata_from_package(zip, &meta_data)) {
- return;
- }
- // Examples of the pre-build and post-build strings in metadata:
- // pre-build-incremental=2943039
- // post-build-incremental=2951741
- std::vector<std::string> lines = android::base::Split(meta_data, "\n");
- for (const std::string& line : lines) {
- std::string str = android::base::Trim(line);
- if (android::base::StartsWith(str, "pre-build-incremental")){
- int source_build = parse_build_number(str);
- if (source_build != -1) {
- log_buffer.push_back(android::base::StringPrintf("source_build: %d",
- source_build));
- }
- } else if (android::base::StartsWith(str, "post-build-incremental")) {
- int target_build = parse_build_number(str);
- if (target_build != -1) {
- log_buffer.push_back(android::base::StringPrintf("target_build: %d",
- target_build));
- }
- }
+ std::string metadata;
+ if (!read_metadata_from_package(zip, &metadata)) {
+ return;
+ }
+ // Examples of the pre-build and post-build strings in metadata:
+ // pre-build-incremental=2943039
+ // post-build-incremental=2951741
+ std::vector<std::string> lines = android::base::Split(metadata, "\n");
+ for (const std::string& line : lines) {
+ std::string str = android::base::Trim(line);
+ if (android::base::StartsWith(str, "pre-build-incremental")) {
+ int source_build = parse_build_number(str);
+ if (source_build != -1) {
+ log_buffer.push_back(android::base::StringPrintf("source_build: %d", source_build));
+ }
+ } else if (android::base::StartsWith(str, "post-build-incremental")) {
+ int target_build = parse_build_number(str);
+ if (target_build != -1) {
+ log_buffer.push_back(android::base::StringPrintf("target_build: %d", target_build));
+ }
}
+ }
}
// Extract the update binary from the open zip archive |zip| located at |path| and store into |cmd|
diff --git a/tests/component/install_test.cpp b/tests/component/install_test.cpp
index fd3b28b07..2143dd7bb 100644
--- a/tests/component/install_test.cpp
+++ b/tests/component/install_test.cpp
@@ -62,6 +62,56 @@ TEST(InstallTest, verify_package_compatibility_invalid_entry) {
CloseArchive(zip);
}
+TEST(InstallTest, read_metadata_from_package_smoke) {
+ TemporaryFile temp_file;
+ FILE* zip_file = fdopen(temp_file.fd, "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.fd, "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.fd, "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, update_binary_command_smoke) {
#ifdef AB_OTA_UPDATER
TemporaryFile temp_file;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 00:25:04 +0100