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Add a binary path param to update_binary_command().

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This allows writing native tests for non-A/B update_binary_command().
Prior to this CL, it was extracting the updater to a hard-coded
location (/tmp/update_binary) that's not available under the test
environment.

Test: recovery_component_test on angler and marlin respectively.
Test: Sideload OTA packages on angler and marlin respectively.
Change-Id: I78b9cc211d90c0a16a84e94e339b65759300e2a8
This commit is contained in:
Tao Bao 2017-05-02 15:48:54 -07:00
parent f347c1abca
commit 00d5757186
3 changed files with 103 additions and 33 deletions
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44
install.cpp
View file

@ -51,6 +51,7 @@
#include "error_code.h"
#include "otautil/SysUtil.h"
#include "otautil/ThermalUtil.h"
#include "private/install.h"
#include "roots.h"
#include "ui.h"
#include "verifier.h"
@ -125,12 +126,6 @@ static void read_source_target_build(ZipArchiveHandle zip, std::vector<std::stri
}
}
// Extract the update binary from the open zip archive |zip| located at |path| and store into |cmd|
// the command line that should be called. 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& path, ZipArchiveHandle zip, int retry_count,
int status_fd, std::vector<std::string>* cmd);
#ifdef AB_OTA_UPDATER
// Parses the metadata of the OTA package in |zip| and checks whether we are
@ -211,8 +206,9 @@ static int check_newer_ab_build(ZipArchiveHandle zip) {
return 0;
}
int update_binary_command(const std::string& path, ZipArchiveHandle zip, int /* retry_count */,
int status_fd, std::vector<std::string>* cmd) {
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) {
CHECK(cmd != nullptr);
int ret = check_newer_ab_build(zip);
if (ret != 0) {
@ -246,8 +242,8 @@ int update_binary_command(const std::string& path, ZipArchiveHandle zip, int /*
}
long payload_offset = payload_entry.offset;
*cmd = {
"/sbin/update_engine_sideload",
"--payload=file://" + path,
binary_path,
"--payload=file://" + package,
android::base::StringPrintf("--offset=%ld", payload_offset),
"--headers=" + std::string(payload_properties.begin(), payload_properties.end()),
android::base::StringPrintf("--status_fd=%d", status_fd),
@ -257,8 +253,9 @@ int update_binary_command(const std::string& path, ZipArchiveHandle zip, int /*
#else // !AB_OTA_UPDATER
int update_binary_command(const std::string& path, ZipArchiveHandle zip, int retry_count,
int status_fd, std::vector<std::string>* cmd) {
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) {
CHECK(cmd != nullptr);
// On traditional updates we extract the update binary from the package.
@ -270,11 +267,10 @@ int update_binary_command(const std::string& path, ZipArchiveHandle zip, int ret
return INSTALL_CORRUPT;
}
const char* binary = "/tmp/update_binary";
unlink(binary);
int fd = creat(binary, 0755);
unlink(binary_path.c_str());
int fd = creat(binary_path.c_str(), 0755);
if (fd == -1) {
PLOG(ERROR) << "Failed to create " << binary;
PLOG(ERROR) << "Failed to create " << binary_path;
return INSTALL_ERROR;
}
@ -286,10 +282,10 @@ int update_binary_command(const std::string& path, ZipArchiveHandle zip, int ret
}
*cmd = {
binary,
binary_path,
EXPAND(RECOVERY_API_VERSION), // defined in Android.mk
std::to_string(status_fd),
path,
package,
};
if (retry_count > 0) {
cmd->push_back("retry");
@ -308,7 +304,7 @@ static void log_max_temperature(int* max_temperature) {
}
// If the package contains an update binary, extract it and run it.
static int try_update_binary(const std::string& path, ZipArchiveHandle zip, bool* wipe_cache,
static int try_update_binary(const std::string& package, ZipArchiveHandle zip, bool* wipe_cache,
std::vector<std::string>* log_buffer, int retry_count,
int* max_temperature) {
read_source_target_build(zip, log_buffer);
@ -317,7 +313,13 @@ static int try_update_binary(const std::string& path, ZipArchiveHandle zip, bool
pipe(pipefd);
std::vector<std::string> args;
int ret = update_binary_command(path, zip, retry_count, pipefd[1], &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
if (ret) {
close(pipefd[0]);
close(pipefd[1]);
@ -472,7 +474,7 @@ static int try_update_binary(const std::string& path, ZipArchiveHandle zip, bool
return INSTALL_RETRY;
}
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOG(ERROR) << "Error in " << path << " (Status " << WEXITSTATUS(status) << ")";
LOG(ERROR) << "Error in " << package << " (Status " << WEXITSTATUS(status) << ")";
return INSTALL_ERROR;
}

8
private/install.h
View file

@ -23,5 +23,9 @@
#include <ziparchive/zip_archive.h>
int update_binary_command(const std::string& path, ZipArchiveHandle zip, int retry_count,
int status_fd, std::vector<std::string>* cmd);
// 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,
std::vector<std::string>* cmd);

84
tests/component/install_test.cpp
View file

@ -15,6 +15,8 @@
*/
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <string>
@ -225,18 +227,62 @@ TEST(InstallTest, update_binary_command_smoke) {
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 path = "/path/to/update.zip";
std::string package = "/path/to/update.zip";
std::string binary_path = "/sbin/update_engine_sideload";
std::vector<std::string> cmd;
ASSERT_EQ(0, update_binary_command(path, zip, 0, status_fd, &cmd));
ASSERT_EQ("/sbin/update_engine_sideload", cmd[0]);
ASSERT_EQ("--payload=file://" + path, cmd[1]);
ASSERT_EQ(0, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
ASSERT_EQ(5U, cmd.size());
ASSERT_EQ(binary_path, 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]);
CloseArchive(zip);
#else
// Cannot test update_binary_command() because it tries to extract update-binary to /tmp.
GTEST_LOG_(INFO) << "Test skipped on non-A/B device.";
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.fd, "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
}
@ -267,12 +313,30 @@ TEST(InstallTest, update_binary_command_invalid) {
ZipArchiveHandle zip;
ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
int status_fd = 10;
std::string path = "/path/to/update.zip";
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(path, zip, 0, status_fd, &cmd));
ASSERT_EQ(INSTALL_CORRUPT, update_binary_command(package, zip, binary_path, 0, status_fd, &cmd));
CloseArchive(zip);
#else
// Cannot test update_binary_command() because it tries to extract update-binary to /tmp.
GTEST_LOG_(INFO) << "Test skipped on non-A/B device.";
TemporaryFile temp_file;
FILE* zip_file = fdopen(temp_file.fd, "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
}