int
install_package(const char *root_path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_print("Finding update package...\n");
ui_show_indeterminate_progress();
LOGI("Update location: %s\n", root_path);
if (ensure_root_path_mounted(root_path) != 0) {
LOGE("Can't mount %s\n", root_path);
return INSTALL_CORRUPT;
}
char path[PATH_MAX] = "";
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
LOGE("Bad path %s\n", root_path);
return INSTALL_CORRUPT;
}
ui_print("Opening update package...\n");
LOGI("Update file path: %s\n", path);
int numKeys;
RSAPublicKey* loadedKeys = load_keys(PUBLIC_KEYS_FILE, &numKeys);
if (loadedKeys == NULL) {
LOGE("Failed to load keys\n");
return INSTALL_CORRUPT;
}
LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
// Give verification half the progress bar...
ui_print("Verifying update package...\n");
ui_show_progress(
VERIFICATION_PROGRESS_FRACTION,
VERIFICATION_PROGRESS_TIME);
int err;
err = verify_file(path, loadedKeys, numKeys);
free(loadedKeys);
LOGI("verify_file returned %d\n", err);
if (err != VERIFY_SUCCESS) {
LOGE("signature verification failed\n");
return INSTALL_CORRUPT;
}
/* Try to open the package.
*/
ZipArchive zip;
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
}
/* Verify and install the contents of the package.
*/
int status = handle_update_package(path, &zip);
mzCloseZipArchive(&zip);
return status;
}
bool MROMInstaller::extractDir(const std::string& name, const std::string& dest)
{
ZipArchive zip;
MemMapping map;
if (sysMapFile(m_file.c_str(), &map) != 0) {
LOGERR("Failed to sysMapFile '%s'\n", m_file.c_str());
return false;
}
if (mzOpenZipArchive(map.addr, map.length, &zip) != 0)
{
gui_print("Failed to open ZIP file %s\n", m_file.c_str());
sysReleaseMap(&map);
return false;
}
// To create a consistent system image, never use the clock for timestamps.
struct utimbuf timestamp = { 1217592000, 1217592000 }; // 8/1/2008 default
bool success = mzExtractRecursive(&zip, name.c_str(), dest.c_str(), MZ_EXTRACT_FILES_ONLY, ×tamp, NULL, NULL, NULL);
mzCloseZipArchive(&zip);
sysReleaseMap(&map);
if(!success)
{
gui_print("Failed to extract dir %s from zip %s\n", name.c_str(), m_file.c_str());
return false;
}
return true;
}
bool MROMInstaller::hasEntry(const std::string& name)
{
ZipArchive zip;
#if (ANDROID_VERSION >= 5)
MemMapping map;
if (sysMapFile(m_file.c_str(), &map) != 0) {
LOGERR("Failed to sysMapFile '%s'\n", m_file.c_str());
return false;
}
if (mzOpenZipArchive(map.addr, map.length, &zip) != 0)
#else
if (mzOpenZipArchive(m_file.c_str(), &zip) != 0)
#endif
{
gui_print("Failed to open ZIP file %s\n", m_file.c_str());
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
return false;
}
// Check also for entry with / - according to minzip, folders
// usually (but not always) end with /
const ZipEntry *entry1 = mzFindZipEntry(&zip, name.c_str());
const ZipEntry *entry2 = mzFindZipEntry(&zip, (name + "/").c_str());
mzCloseZipArchive(&zip);
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
return entry1 || entry2;
}
int
install_package(const char *path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_print("Finding update package...\n");
ui_show_indeterminate_progress();
LOGI("Update location: %s\n", path);
/*
if (strcmp(root_path, ":") == 0) {
if (ensure_root_path_mounted(root_path) != 0) {
LOGE("Can't mount %s\n", root_path);
return INSTALL_CORRUPT;
}
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
LOGE("Bad path %s\n", root_path);
return INSTALL_CORRUPT;
}
} else {
path = strndup(path, root_path);
}
*/
ui_print("Opening update package...\n");
LOGI("Update file path: %s\n", path);
/*
int numKeys;
RSAPublicKey* loadedKeys = load_keys(PUBLIC_KEYS_FILE, &numKeys);
if (loadedKeys == NULL) {
LOGE("Failed to load keys\n");
return INSTALL_CORRUPT;
}
LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
*/
/* Try to open the package.
*/
ZipArchive zip;
int err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
}
/* Verify and install the contents of the package.
*/
// int status = handle_update_package(path, &zip, loadedKeys, numKeys);
int status = handle_update_package(path, &zip);
mzCloseZipArchive(&zip);
// free(loadedKeys);
return status;
}
int extract_deltaupdate_binary(const char *path)
{
int err;
ZipArchive zip;
// Try to open the package.
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_ERROR;
}
const ZipEntry* dua_entry =
mzFindZipEntry(&zip, ASSUMED_DELTAUPDATE_BINARY_NAME);
if (dua_entry == NULL) {
mzCloseZipArchive(&zip);
LOGE("Can't find %s\n", ASSUMED_DELTAUPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
char* deltaupdate_agent = RUN_DELTAUPDATE_AGENT;
unlink(deltaupdate_agent);
int fd = creat(deltaupdate_agent, 0755);
if (fd < 0) {
mzCloseZipArchive(&zip);
LOGE("Can't make %s\n", deltaupdate_agent);
return INSTALL_ERROR;
}
bool ok = mzExtractZipEntryToFile(&zip, dua_entry, fd);
close(fd);
mzCloseZipArchive(&zip);
if (!ok) {
LOGE("Can't copy %s\n", ASSUMED_DELTAUPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
return 0;
}
bool MROMInstaller::extractFile(const std::string& name, const std::string& dest)
{
ZipArchive zip;
#if (ANDROID_VERSION >= 5)
MemMapping map;
if (sysMapFile(m_file.c_str(), &map) != 0) {
LOGERR("Failed to sysMapFile '%s'\n", m_file.c_str());
return false;
}
if (mzOpenZipArchive(map.addr, map.length, &zip) != 0)
#else
if (mzOpenZipArchive(m_file.c_str(), &zip) != 0)
#endif
{
gui_print("Failed to open ZIP file %s\n", m_file.c_str());
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
return false;
}
bool res = false;
FILE* f = NULL;
const ZipEntry* entry = mzFindZipEntry(&zip, name.c_str());
if (entry == NULL)
{
gui_print("Could not find file %s in zip %s\n", name.c_str(), m_file.c_str());
goto exit;
}
f = fopen(dest.c_str(), "wb");
if(!f)
{
gui_print("Could not open dest file %s for writing!\n", dest.c_str());
goto exit;
}
res = mzExtractZipEntryToFile(&zip, entry, fileno(f));
if(!res)
gui_print("Failed to extract file %s from the ZIP!", name.c_str());
fclose(f);
exit:
mzCloseZipArchive(&zip);
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
return res;
}
int open_ota_package(const char *root_path)
{
int status = INSTALL_SUCCESS;
int recovery_status = 0;
ui_print("Opening OTA upgrade package...\n");
char *c = root_path;
const char *p;
int len = strlen(root_path);
int i;
c = c + len-2;
for(i=1;i<len-1;i++)
{
--c;
}
c[len-1] = '\0';
p = c;
int err;
ZipArchive zip;
err = mzOpenZipArchive(p, &zip);
if (err != 0) {
ui_print("Can't open '%s'\n(%s)\n", p, err != -1 ? strerror(err) : "bad");
status = INSTALL_CORRUPT;
goto exit;
}
ui_print("start update package file\n");
status = handle_update_package(p, &zip);
ui_print("install_success!!!\n");
mzCloseZipArchive(&zip);
exit:
if (status != INSTALL_SUCCESS)
recovery_status = 1;
else
recovery_status = 0;
return status;
}
int
install_package(const char *root_path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_print("Finding update package...\n");
LOGI("Update location: %s\n", root_path);
if (ensure_root_path_mounted(root_path) != 0) {
LOGE("Can't mount %s\n", root_path);
return INSTALL_CORRUPT;
}
char path[PATH_MAX] = "";
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
LOGE("Bad path %s\n", root_path);
return INSTALL_CORRUPT;
}
ui_print("Opening update package...\n");
LOGI("Update file path: %s\n", path);
/* Try to open the package.
*/
int err;
ZipArchive zip;
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
}
/* Verify and install the contents of the package.
*/
int status = handle_update_package(path, &zip);
mzCloseZipArchive(&zip);
return status;
}
int
install_package(const char *root_path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_print("查找升级包中...\n");
LOGI("升级点: %s\n", root_path);
if (ensure_root_path_mounted(root_path) != 0) {
LOGE("无法挂载 %s\n", root_path);
return INSTALL_CORRUPT;
}
char path[PATH_MAX] = "";
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
LOGE("错误路径 %s\n", root_path);
return INSTALL_CORRUPT;
}
ui_print("打开升级包中...\n");
LOGI("升级文件路径: %s\n", path);
/* Try to open the package.
*/
int err;
ZipArchive zip;
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("无法打开%s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
}
/* Verify and install the contents of the package.
*/
int status = handle_update_package(path, &zip);
mzCloseZipArchive(&zip);
return status;
}
std::string MROMInstaller::open(const std::string& file)
{
char* manifest = NULL;
const ZipEntry *script_entry;
ZipArchive zip;
#if (ANDROID_VERSION >= 5)
MemMapping map;
if (sysMapFile(file.c_str(), &map) != 0) {
LOGERR("Failed to sysMapFile '%s'\n", file.c_str());
return false;
}
if (mzOpenZipArchive(map.addr, map.length, &zip) != 0)
#else
if (mzOpenZipArchive(file.c_str(), &zip) != 0)
#endif
return "Failed to open installer file!";
script_entry = mzFindZipEntry(&zip, "manifest.txt");
if(!script_entry)
{
mzCloseZipArchive(&zip);
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
return "Failed to find manifest.txt";
}
int res = read_data(&zip, script_entry, &manifest, NULL);
mzCloseZipArchive(&zip);
#if (ANDROID_VERSION >= 5)
sysReleaseMap(&map);
#endif
if(res < 0)
return "Failed to read manifest.txt!";
int line_cnt = 1;
for(char *line = strtok(manifest, "\r\n"); line; line = strtok(NULL, "\r\n"), ++line_cnt)
{
if(line[0] == '#')
continue;
char *val = strchr(line, '=');
if(!val)
continue;
std::string key = std::string(line, val-line);
++val; // skip '=' char
char *start = strchr(val, '"');
char *end = strrchr(val, '"');
if(!start || start == end || start+1 == end)
gui_print("Line %d: failed to parse string\n", line_cnt);
else
{
++start;
m_vals[key] = std::string(start, end-start);
LOGI("MROMInstaller: got tag %s=%s\n", key.c_str(), m_vals[key].c_str());
}
}
free(manifest);
static const char* needed[] = {
"manifest_ver", "devices", "base_folders"
};
for(uint32_t i = 0; i < sizeof(needed)/sizeof(needed[0]); ++i)
{
std::map<std::string, std::string>::const_iterator itr = m_vals.find(needed[i]);
if(itr == m_vals.end())
return std::string("Required key not found in manifest: ") + needed[i];
}
m_file = file;
return std::string();
}
// If the package contains an update binary, extract it and run it.
static int
try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
const ZipEntry* binary_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
if (binary_entry == NULL) {
mzCloseZipArchive(zip);
return INSTALL_CORRUPT;
}
const char* binary = "/tmp/update_binary";
unlink(binary);
int fd = creat(binary, 0755);
if (fd < 0) {
mzCloseZipArchive(zip);
LOGE("Can't make %s\n", binary);
return INSTALL_ERROR;
}
bool ok = mzExtractZipEntryToFile(zip, binary_entry, fd);
close(fd);
mzCloseZipArchive(zip);
if (!ok) {
LOGE("Can't copy %s\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
int pipefd[2];
pipe(pipefd);
// When executing the update binary contained in the package, the
// arguments passed are:
//
// - the version number for this interface
//
// - an fd to which the program can write in order to update the
// progress bar. The program can write single-line commands:
//
// progress <frac> <secs>
// fill up the next <frac> part of of the progress bar
// over <secs> seconds. If <secs> is zero, use
// set_progress commands to manually control the
// progress of this segment of the bar
//
// set_progress <frac>
// <frac> should be between 0.0 and 1.0; sets the
// progress bar within the segment defined by the most
// recent progress command.
//
// firmware <"hboot"|"radio"> <filename>
// arrange to install the contents of <filename> in the
// given partition on reboot.
//
// (API v2: <filename> may start with "PACKAGE:" to
// indicate taking a file from the OTA package.)
//
// (API v3: this command no longer exists.)
//
// ui_print <string>
// display <string> on the screen.
//
// - the name of the package zip file.
//
const char** args = (const char**)malloc(sizeof(char*) * 5);
args[0] = binary;
args[1] = EXPAND(RECOVERY_API_VERSION); // defined in Android.mk
char* temp = (char*)malloc(10);
sprintf(temp, "%d", pipefd[1]);
args[2] = temp;
args[3] = (char*)path;
args[4] = NULL;
pid_t pid = fork();
if (pid == 0) {
close(pipefd[0]);
execv(binary, (char* const*)args);
fprintf(stdout, "E:Can't run %s (%s)\n", binary, strerror(errno));
_exit(-1);
}
close(pipefd[1]);
*wipe_cache = 0;
char buffer[1024];
FILE* from_child = fdopen(pipefd[0], "r");
while (fgets(buffer, sizeof(buffer), from_child) != NULL) {
char* command = strtok(buffer, " \n");
if (command == NULL) {
continue;
} else if (strcmp(command, "progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
char* seconds_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
int seconds = strtol(seconds_s, NULL, 10);
ui->ShowProgress(fraction * (1-VERIFICATION_PROGRESS_FRACTION), seconds);
} else if (strcmp(command, "set_progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
ui->SetProgress(fraction);
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
ui->Print("%s", str);
} else {
ui->Print("\n");
}
fflush(stdout);
} else if (strcmp(command, "wipe_cache") == 0) {
*wipe_cache = 1;
} else if (strcmp(command, "clear_display") == 0) {
ui->SetBackground(RecoveryUI::NONE);
} else {
LOGE("unknown command [%s]\n", command);
}
}
fclose(from_child);
int status;
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGE("Error in %s\n(Status %d)\n", path, WEXITSTATUS(status));
return INSTALL_ERROR;
}
return INSTALL_SUCCESS;
}
/*
* Function : libaroma_zip_release
* Return Value: void
* Descriptions: release zip file
*/
void libaroma_zip_release(
LIBAROMA_ZIP zip) {
mzCloseZipArchive((ZipArchive *) zip);
free(zip);
} /* End of libaroma_zip_release */
int GUIAction::flash_zip(std::string filename, std::string pageName, const int simulate)
{
int ret_val = 0;
DataManager::SetValue("ui_progress", 0);
if (filename.empty())
{
LOGE("No file specified.\n");
return -1;
}
// We're going to jump to this page first, like a loading page
gui_changePage(pageName);
int fd = -1;
ZipArchive zip;
if (mzOpenZipArchive(filename.c_str(), &zip))
{
LOGE("Unable to open zip file.\n");
return -1;
}
// Check the zip to see if it has a custom installer theme
const ZipEntry* twrp = mzFindZipEntry(&zip, "META-INF/teamwin/twrp.zip");
if (twrp != NULL)
{
unlink("/tmp/twrp.zip");
fd = creat("/tmp/twrp.zip", 0666);
}
if (fd >= 0 && twrp != NULL &&
mzExtractZipEntryToFile(&zip, twrp, fd) &&
!PageManager::LoadPackage("install", "/tmp/twrp.zip"))
{
mzCloseZipArchive(&zip);
PageManager::SelectPackage("install");
gui_changePage("main");
}
else
{
// In this case, we just use the default page
mzCloseZipArchive(&zip);
gui_changePage(pageName);
}
if (fd >= 0)
close(fd);
if (simulate) {
simulate_progress_bar();
} else {
ret_val = install_zip_package(filename.c_str());
// Now, check if we need to ensure TWRP remains installed...
struct stat st;
if (stat("/sbin/installTwrp", &st) == 0)
{
DataManager::SetValue("tw_operation", "Configuring TWRP");
DataManager::SetValue("tw_partition", "");
ui_print("Configuring TWRP...\n");
if (__system("/sbin/installTwrp reinstall") < 0)
{
ui_print("Unable to configure TWRP with this kernel.\n");
}
}
}
// Done
DataManager::SetValue("ui_progress", 100);
DataManager::SetValue("ui_progress", 0);
return ret_val;
}
static int Run_Update_Binary(const char *path, ZipArchive *Zip, int* wipe_cache) {
const ZipEntry* binary_location = mzFindZipEntry(Zip, ASSUMED_UPDATE_BINARY_NAME);
string Temp_Binary = "/tmp/updater";
int binary_fd, ret_val, pipe_fd[2], status, zip_verify;
char buffer[1024];
const char** args = (const char**)malloc(sizeof(char*) * 5);
FILE* child_data;
if (binary_location == NULL) {
mzCloseZipArchive(Zip);
return INSTALL_CORRUPT;
}
// Delete any existing updater
if (TWFunc::Path_Exists(Temp_Binary) && unlink(Temp_Binary.c_str()) != 0) {
LOGINFO("Unable to unlink '%s'\n", Temp_Binary.c_str());
}
binary_fd = creat(Temp_Binary.c_str(), 0755);
if (binary_fd < 0) {
mzCloseZipArchive(Zip);
LOGERR("Could not create file for updater extract in '%s'\n", Temp_Binary.c_str());
return INSTALL_ERROR;
}
ret_val = mzExtractZipEntryToFile(Zip, binary_location, binary_fd);
close(binary_fd);
if (!ret_val) {
mzCloseZipArchive(Zip);
LOGERR("Could not extract '%s'\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
// If exists, extract file_contexts from the zip file
const ZipEntry* selinx_contexts = mzFindZipEntry(Zip, "file_contexts");
if (selinx_contexts == NULL) {
mzCloseZipArchive(Zip);
LOGINFO("Zip does not contain SELinux file_contexts file in its root.\n");
} else {
string output_filename = "/file_contexts";
LOGINFO("Zip contains SELinux file_contexts file in its root. Extracting to %s\n", output_filename.c_str());
// Delete any file_contexts
if (TWFunc::Path_Exists(output_filename) && unlink(output_filename.c_str()) != 0) {
LOGINFO("Unable to unlink '%s'\n", output_filename.c_str());
}
int file_contexts_fd = creat(output_filename.c_str(), 0644);
if (file_contexts_fd < 0) {
mzCloseZipArchive(Zip);
LOGERR("Could not extract file_contexts to '%s'\n", output_filename.c_str());
return INSTALL_ERROR;
}
ret_val = mzExtractZipEntryToFile(Zip, selinx_contexts, file_contexts_fd);
close(file_contexts_fd);
if (!ret_val) {
mzCloseZipArchive(Zip);
LOGERR("Could not extract '%s'\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
}
mzCloseZipArchive(Zip);
pipe(pipe_fd);
args[0] = Temp_Binary.c_str();
args[1] = EXPAND(RECOVERY_API_VERSION);
char* temp = (char*)malloc(10);
sprintf(temp, "%d", pipe_fd[1]);
args[2] = temp;
args[3] = (char*)path;
args[4] = NULL;
pid_t pid = fork();
if (pid == 0) {
close(pipe_fd[0]);
execv(Temp_Binary.c_str(), (char* const*)args);
printf("E:Can't execute '%s'\n", Temp_Binary.c_str());
_exit(-1);
}
close(pipe_fd[1]);
*wipe_cache = 0;
DataManager::GetValue(TW_SIGNED_ZIP_VERIFY_VAR, zip_verify);
child_data = fdopen(pipe_fd[0], "r");
while (fgets(buffer, sizeof(buffer), child_data) != NULL) {
char* command = strtok(buffer, " \n");
if (command == NULL) {
continue;
} else if (strcmp(command, "progress") == 0) {
char* fraction_char = strtok(NULL, " \n");
char* seconds_char = strtok(NULL, " \n");
float fraction_float = strtof(fraction_char, NULL);
int seconds_float = strtol(seconds_char, NULL, 10);
if (zip_verify)
DataManager::ShowProgress(fraction_float * (1 - VERIFICATION_PROGRESS_FRACTION), seconds_float);
else
DataManager::ShowProgress(fraction_float, seconds_float);
} else if (strcmp(command, "set_progress") == 0) {
char* fraction_char = strtok(NULL, " \n");
float fraction_float = strtof(fraction_char, NULL);
DataManager::SetProgress(fraction_float);
} else if (strcmp(command, "ui_print") == 0) {
char* display_value = strtok(NULL, "\n");
if (display_value) {
gui_print("%s", display_value);
} else {
gui_print("\n");
}
} else if (strcmp(command, "wipe_cache") == 0) {
*wipe_cache = 1;
} else if (strcmp(command, "clear_display") == 0) {
// Do nothing, not supported by TWRP
} else {
LOGERR("unknown command [%s]\n", command);
}
}
fclose(child_data);
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGERR("Error executing updater binary in zip '%s'\n", path);
return INSTALL_ERROR;
}
return INSTALL_SUCCESS;
}
// If the package contains an update binary, extract it and run it.
static int
try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
const ZipEntry* binary_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
if (binary_entry == NULL) {
mzCloseZipArchive(zip);
return INSTALL_CORRUPT;
}
const char* binary = "/tmp/update_binary";
unlink(binary);
int fd = creat(binary, 0755);
if (fd < 0) {
mzCloseZipArchive(zip);
LOGE("Can't make %s\n", binary);
return INSTALL_ERROR;
}
bool ok = mzExtractZipEntryToFile(zip, binary_entry, fd);
close(fd);
mzCloseZipArchive(zip);
if (!ok) {
LOGE("Can't copy %s\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
/* Make sure the update binary is compatible with this recovery
*
* We're building this against 4.4's (or above) bionic, which
* has a different property namespace structure. If "set_perm_"
* is found, it's probably a regular updater instead of a custom
* one. If "set_metadata_" isn't there, it's pre-4.4, which
* makes it incompatible.
*
* Also, I hate matching strings in binary blobs */
FILE *updaterfile = fopen(binary, "rb");
char tmpbuf;
char setpermmatch[9] = { 's','e','t','_','p','e','r','m','_' };
char setmetamatch[13] = { 's','e','t','_','m','e','t','a','d','a','t','a','_' };
size_t pos = 0;
bool foundsetperm = false;
bool foundsetmeta = false;
if (updaterfile == NULL) {
LOGE("Can't find %s for validation\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
fseek(updaterfile, 0, SEEK_SET);
while (!feof(updaterfile)) {
fread(&tmpbuf, 1, 1, updaterfile);
if (!foundsetperm && pos < sizeof(setpermmatch) && tmpbuf == setpermmatch[pos]) {
pos++;
if (pos == sizeof(setpermmatch)) {
foundsetperm = true;
pos = 0;
}
continue;
}
if (!foundsetmeta && tmpbuf == setmetamatch[pos]) {
pos++;
if (pos == sizeof(setmetamatch)) {
foundsetmeta = true;
pos = 0;
}
continue;
}
/* None of the match loops got a continuation, reset the counter */
pos = 0;
}
fclose(updaterfile);
/* Set legacy properties */
if (foundsetperm && !foundsetmeta) {
ui_print("Using legacy property environment for update-binary...\n");
ui_print("Please upgrade to latest binary...\n");
if (set_legacy_props() != 0) {
LOGE("Legacy property environment did not init successfully. Properties may not be detected.\n");
} else {
LOGI("Legacy property environment initialized.\n");
}
}
int pipefd[2];
pipe(pipefd);
// When executing the update binary contained in the package, the
// arguments passed are:
//
// - the version number for this interface
//
// - an fd to which the program can write in order to update the
// progress bar. The program can write single-line commands:
//
// progress <frac> <secs>
// fill up the next <frac> part of of the progress bar
// over <secs> seconds. If <secs> is zero, use
// set_progress commands to manually control the
// progress of this segment of the bar
//
// set_progress <frac>
// <frac> should be between 0.0 and 1.0; sets the
// progress bar within the segment defined by the most
// recent progress command.
//
// firmware <"hboot"|"radio"> <filename>
// arrange to install the contents of <filename> in the
// given partition on reboot.
//
// (API v2: <filename> may start with "PACKAGE:" to
// indicate taking a file from the OTA package.)
//
// (API v3: this command no longer exists.)
//
// ui_print <string>
// display <string> on the screen.
//
// - the name of the package zip file.
//
const char** args = (const char**)malloc(sizeof(char*) * 5);
args[0] = binary;
args[1] = EXPAND(RECOVERY_API_VERSION); // defined in Android.mk
char* temp = (char*)malloc(10);
sprintf(temp, "%d", pipefd[1]);
args[2] = temp;
args[3] = (char*)path;
args[4] = NULL;
pid_t pid = fork();
if (pid == 0) {
// set the env for UPDATE_PACKAGE (the source zip) for update-binary. This allows shell scripts to use the source zip.
// https://github.com/CyanogenMod/android_bootable_recovery/commit/20b516a408adebcad06e03f12516e70b8998c38f
setenv("UPDATE_PACKAGE", path, 1);
close(pipefd[0]);
execve(binary, (char* const*)args, environ);
fprintf(stdout, "E:Can't run %s (%s)\n", binary, strerror(errno));
_exit(-1);
}
close(pipefd[1]);
*wipe_cache = 0;
char buffer[1024];
FILE* from_child = fdopen(pipefd[0], "r");
while (fgets(buffer, sizeof(buffer), from_child) != NULL) {
char* command = strtok(buffer, " \n");
if (command == NULL) {
continue;
} else if (strcmp(command, "progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
char* seconds_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
int seconds = strtol(seconds_s, NULL, 10);
ui_show_progress(fraction * (1-VERIFICATION_PROGRESS_FRACTION), seconds);
} else if (strcmp(command, "set_progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
ui_set_progress(fraction);
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
ui_print("%s", str);
} else {
ui_print("\n");
}
fflush(stdout);
} else if (strcmp(command, "wipe_cache") == 0) {
*wipe_cache = 1;
} else if (strcmp(command, "clear_display") == 0) {
// not needed in PhilZ Touch;
} else {
LOGE("unknown command [%s]\n", command);
}
}
fclose(from_child);
int status;
waitpid(pid, &status, 0);
/* Unset legacy properties */
if (legacy_props_path_modified) {
if (unset_legacy_props() != 0) {
LOGE("Legacy property environment did not disable successfully. Legacy properties may still be in use.\n");
} else {
LOGI("Legacy property environment disabled.\n");
}
}
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGE("Error in %s\n(Status %d)\n", path, WEXITSTATUS(status));
return INSTALL_ERROR;
}
return INSTALL_SUCCESS;
}
Value *FlashIfwiFn(const char *name, State * state, int argc, Expr * argv[])
{
Value *ret = NULL;
char *filename = NULL;
int err, ifwi_bin_fd, dnx_bin_fd, i, num;
char ifwi_name[128], dnx_name[128];
ZipArchive ifwi_za;
const ZipEntry *dnx_entry, *ifwi_entry;
unsigned char *file_buf = NULL;
size_t file_size;
if (ReadArgs(state, argv, 1, &filename) < 0) {
return NULL;
}
if (filename == NULL || strlen(filename) == 0) {
ErrorAbort(state, "filename argument to %s can't be empty", name);
goto done;
}
err = file_read(filename, (void **)&file_buf, &file_size);
if (err) {
ErrorAbort(state, "Failed to open zip archive file %s\n", filename);
goto done;
}
err = mzOpenZipArchive(file_buf, file_size, &ifwi_za);
if (err) {
ErrorAbort(state, "Failed to open zip archive\n");
goto done;
}
num = mzZipEntryCount(&ifwi_za);
for (i = 0; i < num; i++) {
ifwi_entry = mzGetZipEntryAt(&ifwi_za, i);
if ((ifwi_entry->fileNameLen + 1) < sizeof(ifwi_name)) {
strncpy(ifwi_name, ifwi_entry->fileName, ifwi_entry->fileNameLen);
ifwi_name[ifwi_entry->fileNameLen] = '\0';
} else {
ErrorAbort(state, "ifwi file name is too big. Size max is:%d.\n", sizeof(ifwi_name));
goto error;
}
if (strncmp(ifwi_name, IFWI_NAME, strlen(IFWI_NAME)))
continue;
if ((ifwi_bin_fd = open(IFWI_BIN_PATH, O_RDWR | O_TRUNC | O_CREAT, FILEMODE)) < 0) {
ErrorAbort(state, "unable to create Extracted file:%s.\n", IFWI_BIN_PATH);
goto error;
}
if ((dnx_bin_fd = open(DNX_BIN_PATH, O_RDWR | O_TRUNC | O_CREAT, FILEMODE)) < 0) {
ErrorAbort(state, "unable to create Extracted file:%s.\n", IFWI_BIN_PATH);
close(ifwi_bin_fd);
goto error;
}
strcpy(dnx_name, "dnx_fwr");
strncat(dnx_name, &(ifwi_name[strlen(IFWI_NAME)]), sizeof(dnx_name) - strlen("dnx_fwr") - 1);
dnx_entry = mzFindZipEntry(&ifwi_za, dnx_name);
if (dnx_entry == NULL) {
ErrorAbort(state, "Could not find DNX entry");
close(ifwi_bin_fd);
close(dnx_bin_fd);
goto error;
}
err = mzExtractZipEntryToFile(&ifwi_za, dnx_entry, dnx_bin_fd);
if (!err) {
ErrorAbort(state, "Failed to unzip %s\n", DNX_BIN_PATH);
close(ifwi_bin_fd);
close(dnx_bin_fd);
goto error;
}
close(dnx_bin_fd);
err = mzExtractZipEntryToFile(&ifwi_za, ifwi_entry, ifwi_bin_fd);
if (!err) {
ErrorAbort(state, "Failed to unzip %s\n", DNX_BIN_PATH);
close(ifwi_bin_fd);
goto error;
}
close(ifwi_bin_fd);
int update_ifwi_file_scu_ipc(const char *dnx, const char *ifwi);
update_ifwi_file_scu_ipc(DNX_BIN_PATH, IFWI_BIN_PATH);
}
ret = StringValue(strdup("t"));
error:
mzCloseZipArchive(&ifwi_za);
done:
free(file_buf);
if (filename)
free(filename);
return ret;
}
int
install_package(const char *root_path)
{
recovery_status = 0;
int status = INSTALL_SUCCESS;
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_print("Finding update package...\n");
ui_show_indeterminate_progress();
if (ensure_root_path_mounted(root_path) != 0) {
ui_print("Can't mount %s\n", root_path);
status = INSTALL_CORRUPT;
goto exit;
}
char path[PATH_MAX] = "";
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
ui_print("Bad path %s\n", root_path);
status = INSTALL_CORRUPT;
goto exit;
}
printf("package name = '%s'\t path_len= %d\n",path,strlen(path));
ui_print("Opening update package...\n");
#if 0
int numKeys;
RSAPublicKey* loadedKeys = load_keys(PUBLIC_KEYS_FILE, &numKeys);
if (loadedKeys == NULL) {
LOGE("Failed to load keys\n");
return INSTALL_CORRUPT;
}
LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
// Give verification half the progress bar...
ui_print("Verifying update package...\n");
ui_show_progress(
VERIFICATION_PROGRESS_FRACTION,
VERIFICATION_PROGRESS_TIME);
int err;
err = verify_file(path, loadedKeys, numKeys);
free(loadedKeys);
LOGI("verify_file returned %d\n", err);
if (err != VERIFY_SUCCESS) {
LOGE("signature verification failed\n");
return INSTALL_CORRUPT;
}
#endif
/* Try to open the package.
*/
int err;
ZipArchive zip;
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
ui_print("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
status = INSTALL_CORRUPT;
goto exit;
}
/*
* Verify hw version
*/
/*
if (check_hw_version(&zip)) {
ui_print("HW version doesn't match!!!");
status = INSTALL_CORRUPT;
mzCloseZipArchive(&zip);
goto exit;
}
*/
/* Verify and install the contents of the package.
*/
ui_print("start update package file\n");
status = handle_update_package(path, &zip);
ui_print("install_success!!!\n");
mzCloseZipArchive(&zip);
exit:
ensure_root_path_unmounted(root_path);
if (status != INSTALL_SUCCESS)
recovery_status = 1;
else
recovery_status = 0;
return status;
}
int main(int argc, char** argv) {
// Various things log information to stdout or stderr more or less
// at random (though we've tried to standardize on stdout). The
// log file makes more sense if buffering is turned off so things
// appear in the right order.
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (argc != 4) {
printf("unexpected number of arguments (%d)\n", argc);
return 1;
}
char* version = argv[1];
if ((version[0] != '1' && version[0] != '2' && version[0] != '3') ||
version[1] != '\0') {
// We support version 1, 2, or 3.
printf("wrong updater binary API; expected 1, 2, or 3; "
"got %s\n",
argv[1]);
return 2;
}
// Set up the pipe for sending commands back to the parent process.
int fd = atoi(argv[2]);
FILE* cmd_pipe = fdopen(fd, "wb");
setlinebuf(cmd_pipe);
// Extract the script from the package.
const char* package_filename = argv[3];
MemMapping map;
if (sysMapFile(package_filename, &map) != 0) {
printf("failed to map package %s\n", argv[3]);
return 3;
}
ZipArchive za;
int err;
err = mzOpenZipArchive(map.addr, map.length, &za);
if (err != 0) {
printf("failed to open package %s: %s\n",
argv[3], strerror(err));
return 3;
}
const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
if (script_entry == NULL) {
printf("failed to find %s in %s\n", SCRIPT_NAME, package_filename);
return 4;
}
char* script = malloc(script_entry->uncompLen+1);
if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
printf("failed to read script from package\n");
return 5;
}
script[script_entry->uncompLen] = '\0';
const ZipEntry* file_contexts_entry = mzFindZipEntry(&za, SELINUX_CONTEXTS_ZIP);
if (file_contexts_entry != NULL) {
int file_contexts_fd = creat(SELINUX_CONTEXTS_TMP, 0644);
if (file_contexts_fd < 0) {
fprintf(stderr, "Could not extract %s to '%s'\n", SELINUX_CONTEXTS_ZIP, SELINUX_CONTEXTS_TMP);
return 3;
}
int ret_val = mzExtractZipEntryToFile(&za, file_contexts_entry, file_contexts_fd);
close(file_contexts_fd);
if (!ret_val) {
fprintf(stderr, "Could not extract '%s'\n", SELINUX_CONTEXTS_ZIP);
return 3;
}
}
// Configure edify's functions.
RegisterBuiltins();
RegisterInstallFunctions();
RegisterBlockImageFunctions();
RegisterDeviceExtensions();
FinishRegistration();
// Parse the script.
Expr* root;
int error_count = 0;
int error = parse_string(script, &root, &error_count);
if (error != 0 || error_count > 0) {
printf("%d parse errors\n", error_count);
return 6;
}
if (access(SELINUX_CONTEXTS_TMP, R_OK) == 0) {
struct selinux_opt seopts[] = {
{ SELABEL_OPT_PATH, SELINUX_CONTEXTS_TMP }
};
sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
} else {
struct selinux_opt seopts[] = {
{ SELABEL_OPT_PATH, "/file_contexts" }
};
sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
}
if (!sehandle) {
fprintf(cmd_pipe, "ui_print Warning: No file_contexts\n");
}
// Evaluate the parsed script.
UpdaterInfo updater_info;
updater_info.cmd_pipe = cmd_pipe;
updater_info.package_zip = &za;
updater_info.version = atoi(version);
updater_info.package_zip_addr = map.addr;
updater_info.package_zip_len = map.length;
State state;
state.cookie = &updater_info;
state.script = script;
state.errmsg = NULL;
char* result = Evaluate(&state, root);
if (result == NULL) {
if (state.errmsg == NULL) {
printf("script aborted (no error message)\n");
fprintf(cmd_pipe, "ui_print script aborted (no error message)\n");
} else {
printf("script aborted: %s\n", state.errmsg);
char* line = strtok(state.errmsg, "\n");
while (line) {
fprintf(cmd_pipe, "ui_print %s\n", line);
line = strtok(NULL, "\n");
}
fprintf(cmd_pipe, "ui_print\n");
}
free(state.errmsg);
return 7;
} else {
fprintf(cmd_pipe, "ui_print script succeeded: result was [%s]\n", result);
free(result);
}
if (updater_info.package_zip) {
mzCloseZipArchive(updater_info.package_zip);
}
sysReleaseMap(&map);
free(script);
return 0;
}
int main(int argc, char** argv) {
// Various things log information to stdout or stderr more or less
// at random. The log file makes more sense if buffering is
// turned off so things appear in the right order.
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (argc != 4) {
fprintf(stderr, "unexpected number of arguments (%d)\n", argc);
return 1;
}
char* version = argv[1];
if ((version[0] != '1' && version[0] != '2' && version[0] != '3') ||
version[1] != '\0') {
// We support version 1, 2, or 3.
fprintf(stderr, "wrong updater binary API; expected 1, 2, or 3; "
"got %s\n",
argv[1]);
//printf("Wrong updater binary API; expected 1, 2, or 3; we just got '%s' \n",argv[1]);
return 2;
}
// Set up the pipe for sending commands back to the parent process.
int fd = atoi(argv[2]);
FILE* cmd_pipe = fdopen(fd, "wb");
setlinebuf(cmd_pipe);
// Extract the script from the package.
char* package_data = argv[3];
ZipArchive za;
int err;
err = mzOpenZipArchive(package_data, &za);
if (err != 0) {
fprintf(stderr, "failed to open package %s: %s\n",
package_data, strerror(err));
return 3;
}
const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
if (script_entry == NULL) {
fprintf(stderr, "failed to find %s in %s\n", SCRIPT_NAME, package_data);
return 4;
}
char* script = malloc(script_entry->uncompLen+1);
if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
fprintf(stderr, "failed to read script from package\n");
return 5;
}
script[script_entry->uncompLen] = '\0';
// Configure edify's functions.
RegisterBuiltins();
RegisterInstallFunctions();
RegisterDeviceExtensions();
FinishRegistration();
// Parse the script.
Expr* root;
int error_count = 0;
yy_scan_string(script);
int error = yyparse(&root, &error_count);
if (error != 0 || error_count > 0) {
fprintf(stderr, "%d parse errors\n", error_count);
return 6;
}
struct selinux_opt seopts[] = {
{ SELABEL_OPT_PATH, "/file_contexts" }
};
sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
if (!sehandle) {
fprintf(stderr, "Warning: No file_contexts\n");
// fprintf(cmd_pipe, "ui_print Warning: No file_contexts\n");
}
// Evaluate the parsed script.
UpdaterInfo updater_info;
updater_info.cmd_pipe = cmd_pipe;
updater_info.package_zip = &za;
updater_info.version = atoi(version);
State state;
state.cookie = &updater_info;
state.script = script;
state.errmsg = NULL;
char* result = Evaluate(&state, root);
if (result == NULL) {
if (state.errmsg == NULL) {
fprintf(stderr, "script aborted (no error message)\n");
fprintf(cmd_pipe, "ui_print script aborted (no error message)\n");
} else {
fprintf(stderr, "script aborted: %s\n", state.errmsg);
char* line = strtok(state.errmsg, "\n");
while (line) {
fprintf(cmd_pipe, "ui_print %s\n", line);
line = strtok(NULL, "\n");
}
fprintf(cmd_pipe, "ui_print\n");
}
free(state.errmsg);
return 7;
} else {
fprintf(stderr, "script result was [%s]\n", result);
free(result);
}
if (updater_info.package_zip) {
mzCloseZipArchive(updater_info.package_zip);
}
free(script);
return 0;
}
//-- AROMA ZIP Close
void az_close() {
mzCloseZipArchive(&zip);
}
Value *FlashIfwiOrBomFn(enum flash_option_type flash_option, const char *name, State * state, int argc,
Expr * argv[])
{
Value *ret = NULL;
char *filename = NULL;
int err, i, num, buffsize;
char ifwi_name[128];
ZipArchive ifwi_za;
const ZipEntry *ifwi_entry;
unsigned char *buffer;
unsigned char *file_buf = NULL;
size_t file_size;
#ifdef TEE_FRAMEWORK
char bom_token_name[128];
const ZipEntry *bom_token_entry;
int bom_token_buffsize;
unsigned char *bom_token_buffer;
#endif
if (ReadArgs(state, argv, 1, &filename) < 0) {
return NULL;
}
if (filename == NULL || strlen(filename) == 0) {
ErrorAbort(state, "filename argument to %s can't be empty", name);
goto done;
}
err = file_read(filename, (void **)&file_buf, &file_size);
if (err) {
ErrorAbort(state, "Failed to open zip archive file %s\n", filename);
goto done;
}
err = mzOpenZipArchive(file_buf, file_size, &ifwi_za);
if (err) {
ErrorAbort(state, "Failed to open zip archive\n");
goto done;
}
num = mzZipEntryCount(&ifwi_za);
for (i = 0; i < num; i++) {
ifwi_entry = mzGetZipEntryAt(&ifwi_za, i);
if ((ifwi_entry->fileNameLen + 1) < sizeof(ifwi_name)) {
strncpy(ifwi_name, ifwi_entry->fileName, ifwi_entry->fileNameLen);
ifwi_name[ifwi_entry->fileNameLen] = '\0';
} else {
ErrorAbort(state, "ifwi file name is too big. Size max is:%zd.\n", sizeof(ifwi_name));
goto error;
}
if (strncmp(ifwi_name, IFWI_NAME, strlen(IFWI_NAME)))
continue;
buffsize = mzGetZipEntryUncompLen(ifwi_entry);
if (buffsize <= 0) {
ErrorAbort(state, "Bad ifwi_entry size : %d.\n", buffsize);
goto error;
}
buffer = (unsigned char *)malloc(sizeof(unsigned char) * buffsize);
if (buffer == NULL) {
ErrorAbort(state, "Unable to alloc ifwi buffer of %d bytes.\n", buffsize);
goto error;
}
err = mzExtractZipEntryToBuffer(&ifwi_za, ifwi_entry, buffer);
if (!err) {
ErrorAbort(state, "Failed to unzip %s\n", IFWI_BIN_PATH);
free(buffer);
goto error;
}
if (check_ifwi_file(buffer, buffsize) < 1) {
free(buffer);
continue;
}
if (flash_option == FLASH_BOM_TOKEN_BINARY) {
#ifdef TEE_FRAMEWORK
strcpy(bom_token_name, BOM_TOKEN_NAME);
strncat(bom_token_name, &(ifwi_name[strlen(IFWI_NAME)]),
sizeof(bom_token_name) - strlen(BOM_TOKEN_NAME) - 1);
bom_token_entry = mzFindZipEntry(&ifwi_za, bom_token_name);
if (bom_token_entry != NULL) {
bom_token_buffsize = mzGetZipEntryUncompLen(bom_token_entry);
if (bom_token_buffsize <= 0) {
ErrorAbort(state, "Bad bom_token_entry size : %d.\n",
bom_token_buffsize);
free(buffer);
goto error;
}
bom_token_buffer =
(unsigned char *)malloc(sizeof(unsigned char) * bom_token_buffsize);
if (bom_token_buffer == NULL) {
ErrorAbort(state, "Unable to alloc bom token buffer of %d bytes.\n",
bom_token_buffsize);
free(buffer);
goto error;
}
err = mzExtractZipEntryToBuffer(&ifwi_za, bom_token_entry, bom_token_buffer);
if (!err) {
ErrorAbort(state, "Failed to unzip %s.\n", IFWI_BIN_PATH);
free(bom_token_buffer);
free(buffer);
goto error;
}
if (write_token(bom_token_buffer, bom_token_buffsize) == 0) {
printf("BOM token written\n");
} else {
printf("Unable to write BOM token.\n");
cancel_update(0, NULL);
free(bom_token_buffer);
free(buffer);
ret = StringValue(strdup("fail"));
goto error;
}
free(bom_token_buffer);
}
#else
printf("BOM token flashing not supported\n");
#endif
} else if (flash_option == FLASH_IFWI_BINARY) {
printf("Flashing IFWI\n");
update_ifwi_file(buffer, buffsize);
} else {
ErrorAbort(state, "Don't know what to do with option %d\n", flash_option);
free(buffer);
goto error;
}
free(buffer);
}
ret = StringValue(strdup("t"));
error:
mzCloseZipArchive(&ifwi_za);
done:
free(file_buf);
if (filename)
free(filename);
return ret;
}
// If the package contains an update binary, extract it and run it.
static int
try_update_binary(const char *path, ZipArchive *zip) {
const ZipEntry* binary_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
if (binary_entry == NULL) {
const ZipEntry* update_script_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_SCRIPT_NAME);
if (update_script_entry != NULL) {
ui_print("Amend 脚本 (update-script) 已不支持.\n");
ui_print("Amend 脚本在 Android 1.5 后不再支持.\n");
ui_print("请将升级包脚本升级到Edify脚本(updater-script 和 update-binary).\n");
ui_print("安装已取消.\n");
return INSTALL_UPDATE_BINARY_MISSING;
}
mzCloseZipArchive(zip);
return INSTALL_UPDATE_BINARY_MISSING;
}
char* binary = "/tmp/update_binary";
unlink(binary);
int fd = creat(binary, 0755);
if (fd < 0) {
mzCloseZipArchive(zip);
LOGE("Can't make %s\n", binary);
return 1;
}
bool ok = mzExtractZipEntryToFile(zip, binary_entry, fd);
close(fd);
if (!ok) {
LOGE("Can't copy %s\n", ASSUMED_UPDATE_BINARY_NAME);
mzCloseZipArchive(zip);
return 1;
}
int pipefd[2];
pipe(pipefd);
// When executing the update binary contained in the package, the
// arguments passed are:
//
// - the version number for this interface
//
// - an fd to which the program can write in order to update the
// progress bar. The program can write single-line commands:
//
// progress <frac> <secs>
// fill up the next <frac> part of of the progress bar
// over <secs> seconds. If <secs> is zero, use
// set_progress commands to manually control the
// progress of this segment of the bar
//
// set_progress <frac>
// <frac> should be between 0.0 and 1.0; sets the
// progress bar within the segment defined by the most
// recent progress command.
//
// firmware <"hboot"|"radio"> <filename>
// arrange to install the contents of <filename> in the
// given partition on reboot.
//
// (API v2: <filename> may start with "PACKAGE:" to
// indicate taking a file from the OTA package.)
//
// (API v3: this command no longer exists.)
//
// ui_print <string>
// display <string> on the screen.
//
// - the name of the package zip file.
//
char** args = malloc(sizeof(char*) * 5);
args[0] = binary;
args[1] = EXPAND(RECOVERY_API_VERSION); // defined in Android.mk
args[2] = malloc(10);
sprintf(args[2], "%d", pipefd[1]);
args[3] = (char*)path;
args[4] = NULL;
pid_t pid = fork();
if (pid == 0) {
setenv("UPDATE_PACKAGE", path, 1);
close(pipefd[0]);
execv(binary, args);
fprintf(stdout, "E:Can't run %s (%s)\n", binary, strerror(errno));
_exit(-1);
}
close(pipefd[1]);
char* firmware_type = NULL;
char* firmware_filename = NULL;
char buffer[1024];
FILE* from_child = fdopen(pipefd[0], "r");
while (fgets(buffer, sizeof(buffer), from_child) != NULL) {
char* command = strtok(buffer, " \n");
if (command == NULL) {
continue;
} else if (strcmp(command, "progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
char* seconds_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
int seconds = strtol(seconds_s, NULL, 10);
ui_show_progress(fraction * (1-VERIFICATION_PROGRESS_FRACTION),
seconds);
} else if (strcmp(command, "set_progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
ui_set_progress(fraction);
} else if (strcmp(command, "firmware") == 0) {
char* type = strtok(NULL, " \n");
char* filename = strtok(NULL, " \n");
if (type != NULL && filename != NULL) {
if (firmware_type != NULL) {
LOGE("ignoring attempt to do multiple firmware updates");
} else {
firmware_type = strdup(type);
firmware_filename = strdup(filename);
}
}
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
ui_print("%s", str);
} else {
ui_print("\n");
}
} else {
LOGE("unknown command [%s]\n", command);
}
}
fclose(from_child);
int status;
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGE("Error in %s\n(Status %d)\n", path, WEXITSTATUS(status));
mzCloseZipArchive(zip);
return INSTALL_ERROR;
}
if (firmware_type != NULL) {
int ret = handle_firmware_update(firmware_type, firmware_filename, zip);
mzCloseZipArchive(zip);
return ret;
}
return INSTALL_SUCCESS;
}
Value* UpdateFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 7) {
return ErrorAbort(state, "%s() expects 7 args, got %d", name, argc);
}
char* type = strrchr(name, '_');
if (type == NULL || *(type+1) == '\0') {
return ErrorAbort(state, "%s() couldn't get type from function name",
name);
}
++type;
Value* image;
Value* width_string;
Value* height_string;
Value* bpp_string;
Value* busy;
Value* fail;
Value* expected_sha1_string;
if (ReadValueArgs(state, argv, 7, &image,
&width_string, &height_string, &bpp_string,
&busy, &fail, &expected_sha1_string) < 0) {
return NULL;
}
// close the package
ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
mzCloseZipArchive(za);
((UpdaterInfo*)(state->cookie))->package_zip = NULL;
// Try to unmount /cache. If we fail (because we're running in an
// older recovery that still has the package file open), try to
// remount it read-only. If that fails, abort.
sync();
scan_mounted_volumes();
MountedVolume* vol = find_mounted_volume_by_mount_point("/cache");
int result = unmount_mounted_volume(vol);
if (result != 0) {
printf("%s(): failed to unmount cache (%d: %s)\n",
name, result, strerror(errno));
result = remount_read_only(vol);
if (result != 0) {
printf("%s(): failed to remount cache (%d: %s)\n",
name, result, strerror(errno));
return StringValue(strdup(""));
} else {
printf("%s(): remounted cache\n", name);
}
sync();
} else {
printf("%s(): unmounted cache\n", name);
}
int width = 0, height = 0, bpp = 0;
if (width_string->type != VAL_STRING ||
(width = strtol(width_string->data, NULL, 10)) == 0) {
printf("%s(): bad width argument", name);
}
if (height_string->type != VAL_STRING ||
(height = strtol(height_string->data, NULL, 10)) == 0) {
printf("%s(): bad height argument", name);
}
if (bpp_string->type != VAL_STRING ||
(bpp = strtol(bpp_string->data, NULL, 10)) == 0) {
printf("%s(): bad bpp argument", name);
}
if (image->type != VAL_BLOB) {
printf("image argument is not blob (is type %d)\n", image->type);
goto done;
}
uint8_t expected_sha1[SHA_DIGEST_SIZE];
char* data = expected_sha1_string->data;
if (expected_sha1_string->type != VAL_STRING ||
strlen(data) != SHA_DIGEST_SIZE*2) {
printf("%s(): bad expected_sha1 argument", name);
goto done;
}
printf("expected sha1 is: ");
int i;
for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
char temp = data[i*2+2];
data[i*2+2] = '\0';
expected_sha1[i] = strtol(data+i*2, NULL, 16);
data[i*2+2] = temp;
printf("%02x", expected_sha1[i]);
}
printf("\n");
install_firmware_update(
type,
image->data,
image->size,
width, height, bpp,
busy->size > 0 ? busy->data : NULL,
fail->size > 0 ? fail->data : NULL,
"/tmp/recovery.log",
expected_sha1);
printf("%s: install_firmware_update returned!\n", name);
done:
FreeValue(image);
FreeValue(width_string);
FreeValue(height_string);
FreeValue(bpp_string);
FreeValue(busy);
FreeValue(fail);
// install_firmware_update should reboot. If it returns, it failed.
return StringValue(strdup(""));
}