Merge "updater_sample: add privileged system app docs"
diff --git a/Android.mk b/Android.mk
index 24da8b2..2575640 100644
--- a/Android.mk
+++ b/Android.mk
@@ -143,10 +143,6 @@
LOCAL_CFLAGS := $(recovery_common_cflags)
-ifeq ($(AB_OTA_UPDATER),true)
- LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
-endif
-
LOCAL_MODULE := librecovery
LOCAL_STATIC_LIBRARIES := \
diff --git a/install.cpp b/install.cpp
index a4c6986..800847f 100644
--- a/install.cpp
+++ b/install.cpp
@@ -45,6 +45,7 @@
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
#include <vintf/VintfObjectRecovery.h>
#include <ziparchive/zip_archive.h>
@@ -124,11 +125,9 @@
}
}
-#ifdef AB_OTA_UPDATER
-
-// Parses the metadata of the OTA package in |zip| and checks whether we are
-// allowed to accept this A/B package. Downgrading is not allowed unless
-// explicitly enabled in the package and only for incremental packages.
+// Parses the metadata of the OTA package in |zip| and checks whether we are allowed to accept this
+// A/B package. Downgrading is not allowed unless explicitly enabled in the package and only for
+// incremental packages.
static int check_newer_ab_build(ZipArchiveHandle zip) {
std::string metadata_str;
if (!read_metadata_from_package(zip, &metadata_str)) {
@@ -214,8 +213,7 @@
return 0;
}
-int update_binary_command(const std::string& package, ZipArchiveHandle zip,
- const std::string& binary_path, int /* retry_count */, int status_fd,
+int SetUpAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int status_fd,
std::vector<std::string>* cmd) {
CHECK(cmd != nullptr);
int ret = check_newer_ab_build(zip);
@@ -250,7 +248,7 @@
}
long payload_offset = payload_entry.offset;
*cmd = {
- binary_path,
+ "/sbin/update_engine_sideload",
"--payload=file://" + package,
android::base::StringPrintf("--offset=%ld", payload_offset),
"--headers=" + std::string(payload_properties.begin(), payload_properties.end()),
@@ -259,14 +257,11 @@
return 0;
}
-#else // !AB_OTA_UPDATER
-
-int update_binary_command(const std::string& package, ZipArchiveHandle zip,
- const std::string& binary_path, int retry_count, int status_fd,
- std::vector<std::string>* cmd) {
+int SetUpNonAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int retry_count,
+ int status_fd, std::vector<std::string>* cmd) {
CHECK(cmd != nullptr);
- // On traditional updates we extract the update binary from the package.
+ // In non-A/B updates we extract the update binary from the package.
static constexpr const char* UPDATE_BINARY_NAME = "META-INF/com/google/android/update-binary";
ZipString binary_name(UPDATE_BINARY_NAME);
ZipEntry binary_entry;
@@ -275,15 +270,16 @@
return INSTALL_CORRUPT;
}
+ const std::string binary_path = Paths::Get().temporary_update_binary();
unlink(binary_path.c_str());
- int fd = open(binary_path.c_str(), O_CREAT | O_WRONLY | O_TRUNC | O_CLOEXEC, 0755);
+ android::base::unique_fd fd(
+ open(binary_path.c_str(), O_CREAT | O_WRONLY | O_TRUNC | O_CLOEXEC, 0755));
if (fd == -1) {
PLOG(ERROR) << "Failed to create " << binary_path;
return INSTALL_ERROR;
}
int32_t error = ExtractEntryToFile(zip, &binary_entry, fd);
- close(fd);
if (error != 0) {
LOG(ERROR) << "Failed to extract " << UPDATE_BINARY_NAME << ": " << ErrorCodeString(error);
return INSTALL_ERROR;
@@ -300,7 +296,6 @@
}
return 0;
}
-#endif // !AB_OTA_UPDATER
static void log_max_temperature(int* max_temperature, const std::atomic<bool>& logger_finished) {
CHECK(max_temperature != nullptr);
@@ -321,14 +316,10 @@
int pipefd[2];
pipe(pipefd);
+ bool is_ab = android::base::GetBoolProperty("ro.build.ab_update", false);
std::vector<std::string> args;
-#ifdef AB_OTA_UPDATER
- int ret = update_binary_command(package, zip, "/sbin/update_engine_sideload", retry_count,
- pipefd[1], &args);
-#else
- int ret = update_binary_command(package, zip, "/tmp/update-binary", retry_count, pipefd[1],
- &args);
-#endif
+ int ret = is_ab ? SetUpAbUpdateCommands(package, zip, pipefd[1], &args)
+ : SetUpNonAbUpdateCommands(package, zip, retry_count, pipefd[1], &args);
if (ret) {
close(pipefd[0]);
close(pipefd[1]);
diff --git a/otautil/include/otautil/paths.h b/otautil/include/otautil/paths.h
index 39088f1..f95741a 100644
--- a/otautil/include/otautil/paths.h
+++ b/otautil/include/otautil/paths.h
@@ -76,6 +76,13 @@
temporary_log_file_ = log_file;
}
+ std::string temporary_update_binary() const {
+ return temporary_update_binary_;
+ }
+ void set_temporary_update_binary(const std::string& update_binary) {
+ temporary_update_binary_ = update_binary;
+ }
+
private:
Paths();
DISALLOW_COPY_AND_ASSIGN(Paths);
@@ -103,6 +110,9 @@
// Path to the temporary log file while under recovery.
std::string temporary_log_file_;
+
+ // Path to the temporary update binary while installing a non-A/B package.
+ std::string temporary_update_binary_;
};
#endif // _OTAUTIL_PATHS_H_
diff --git a/otautil/paths.cpp b/otautil/paths.cpp
index f08e51c..33ab4a5 100644
--- a/otautil/paths.cpp
+++ b/otautil/paths.cpp
@@ -23,6 +23,7 @@
constexpr const char kDefaultStashDirectoryBase[] = "/cache/recovery";
constexpr const char kDefaultTemporaryInstallFile[] = "/tmp/last_install";
constexpr const char kDefaultTemporaryLogFile[] = "/tmp/recovery.log";
+constexpr const char kDefaultTemporaryUpdateBinary[] = "/tmp/update-binary";
Paths& Paths::Get() {
static Paths paths;
@@ -36,4 +37,5 @@
resource_dir_(kDefaultResourceDirectory),
stash_directory_base_(kDefaultStashDirectoryBase),
temporary_install_file_(kDefaultTemporaryInstallFile),
- temporary_log_file_(kDefaultTemporaryLogFile) {}
+ temporary_log_file_(kDefaultTemporaryLogFile),
+ temporary_update_binary_(kDefaultTemporaryUpdateBinary) {}
diff --git a/private/install.h b/private/install.h
index ef64bd4..7fdc741 100644
--- a/private/install.h
+++ b/private/install.h
@@ -23,9 +23,17 @@
#include <ziparchive/zip_archive.h>
-// Extract the update binary from the open zip archive |zip| located at |package| to |binary_path|.
-// Store the command line that should be called into |cmd|. The |status_fd| is the file descriptor
-// the child process should use to report back the progress of the update.
-int update_binary_command(const std::string& package, ZipArchiveHandle zip,
- const std::string& binary_path, int retry_count, int status_fd,
+// Sets up the commands for a non-A/B update. Extracts the updater binary from the open zip archive
+// |zip| located at |package|. Stores the command line that should be called into |cmd|. The
+// |status_fd| is the file descriptor the child process should use to report back the progress of
+// the update.
+int SetUpNonAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int retry_count,
+ int status_fd, std::vector<std::string>* cmd);
+
+// Sets up the commands for an A/B update. Extracts the needed entries from the open zip archive
+// |zip| located at |package|. Stores the command line that should be called into |cmd|. The
+// |status_fd| is the file descriptor the child process should use to report back the progress of
+// the update. Note that since this applies to the sideloading flow only, it takes one less
+// parameter |retry_count| than the non-A/B version.
+int SetUpAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int status_fd,
std::vector<std::string>* cmd);
diff --git a/tests/Android.mk b/tests/Android.mk
index ff42066..a9e6491 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -72,10 +72,6 @@
-Werror \
-D_FILE_OFFSET_BITS=64
-ifeq ($(AB_OTA_UPDATER),true)
-LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
-endif
-
LOCAL_MODULE := recovery_component_test
LOCAL_COMPATIBILITY_SUITE := device-tests
LOCAL_C_INCLUDES := bootable/recovery
diff --git a/tests/component/install_test.cpp b/tests/component/install_test.cpp
index d19d788..b9af0b1 100644
--- a/tests/component/install_test.cpp
+++ b/tests/component/install_test.cpp
@@ -33,6 +33,7 @@
#include <ziparchive/zip_writer.h>
#include "install.h"
+#include "otautil/paths.h"
#include "private/install.h"
TEST(InstallTest, verify_package_compatibility_no_entry) {
@@ -199,8 +200,73 @@
CloseArchive(zip);
}
-#ifdef AB_OTA_UPDATER
-static void VerifyAbUpdateBinaryCommand(const std::string& serialno, bool success = true) {
+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);
@@ -235,73 +301,27 @@
ASSERT_EQ(0, FindEntry(zip, payload_name, &payload_entry));
int status_fd = 10;
std::string package = "/path/to/update.zip";
- std::string binary_path = "/sbin/update_engine_sideload";
std::vector<std::string> cmd;
if (success) {
- ASSERT_EQ(0, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
+ ASSERT_EQ(0, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
ASSERT_EQ(5U, cmd.size());
- ASSERT_EQ(binary_path, cmd[0]);
+ 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, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
+ ASSERT_EQ(INSTALL_ERROR, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
}
CloseArchive(zip);
}
-#endif // AB_OTA_UPDATER
-TEST(InstallTest, update_binary_command_smoke) {
-#ifdef AB_OTA_UPDATER
+TEST(InstallTest, SetUpAbUpdateCommands) {
// Empty serialno will pass the verification.
- VerifyAbUpdateBinaryCommand({});
-#else
- 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";
- std::vector<std::string> cmd;
- ASSERT_EQ(0, update_binary_command(package, zip, binary_path, 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, update_binary_command(package, zip, binary_path, 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);
-#endif // AB_OTA_UPDATER
+ VerifyAbUpdateCommands({});
}
-TEST(InstallTest, update_binary_command_invalid) {
-#ifdef AB_OTA_UPDATER
+TEST(InstallTest, SetUpAbUpdateCommands_MissingPayloadPropertiesTxt) {
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.release(), "w");
ZipWriter writer(zip_file);
@@ -328,60 +348,36 @@
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
int status_fd = 10;
std::string package = "/path/to/update.zip";
- std::string binary_path = "/sbin/update_engine_sideload";
std::vector<std::string> cmd;
- ASSERT_EQ(INSTALL_CORRUPT, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
+ ASSERT_EQ(INSTALL_CORRUPT, SetUpAbUpdateCommands(package, zip, status_fd, &cmd));
CloseArchive(zip);
-#else
- 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;
- std::string binary_path = std::string(td.path) + "/update_binary";
- std::vector<std::string> cmd;
- ASSERT_EQ(INSTALL_CORRUPT, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
- CloseArchive(zip);
-#endif // AB_OTA_UPDATER
}
-#ifdef AB_OTA_UPDATER
-TEST(InstallTest, update_binary_command_multiple_serialno) {
+TEST(InstallTest, SetUpAbUpdateCommands_MultipleSerialnos) {
std::string serialno = android::base::GetProperty("ro.serialno", "");
ASSERT_NE("", serialno);
// Single matching serialno will pass the verification.
- VerifyAbUpdateBinaryCommand(serialno);
+ VerifyAbUpdateCommands(serialno);
static constexpr char alphabet[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
auto generator = []() { return alphabet[rand() % (sizeof(alphabet) - 1)]; };
// Generate 900 random serial numbers.
- std::string random_serial;
+ std::string random_serialno;
for (size_t i = 0; i < 900; i++) {
- generate_n(back_inserter(random_serial), serialno.size(), generator);
- random_serial.append("|");
+ generate_n(back_inserter(random_serialno), serialno.size(), generator);
+ random_serialno.append("|");
}
// Random serialnos should fail the verification.
- VerifyAbUpdateBinaryCommand(random_serial, false);
+ VerifyAbUpdateCommands(random_serialno, false);
- std::string long_serial = random_serial + serialno + "|";
+ std::string long_serialno = random_serialno + serialno + "|";
for (size_t i = 0; i < 99; i++) {
- generate_n(back_inserter(long_serial), serialno.size(), generator);
- long_serial.append("|");
+ generate_n(back_inserter(long_serialno), serialno.size(), generator);
+ long_serialno.append("|");
}
// String with the matching serialno should pass the verification.
- VerifyAbUpdateBinaryCommand(long_serial);
+ VerifyAbUpdateCommands(long_serialno);
}
-#endif // AB_OTA_UPDATER
