int nandroid_backup_system(const char* backup_path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
if (ensure_path_mounted(backup_path) != 0) {
return print_and_error("Can't mount backup path.\n");
}
Volume* volume = volume_for_path(backup_path);
if (NULL == volume) {
if (strstr(backup_path, "/sdcard") == backup_path && is_data_media())
volume = volume_for_path("/data");
else
return print_and_error("Unable to find volume for backup path.\n");
}
int ret;
struct statfs s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &s)))
return print_and_error("Unable to stat backup path.\n");
uint64_t bavail = s.f_bavail;
uint64_t bsize = s.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
if (sdcard_free_mb < 150)
ui_print("There may not be enough free space to complete backup... continuing...\n");
}
char tmp[PATH_MAX];
sprintf(tmp, "mkdir -p %s", backup_path);
__system(tmp);
if (0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
sync();
ui_set_background(BACKGROUND_ICON_NONE);
ui_reset_progress();
ui_print("\nBackup complete!\n");
return 0;
}
int ensure_path_unmounted(const char* path) {
// if we are using /data/media, do not ever unmount volumes /data or /sdcard
if (is_data_media_volume_path(path)) {
return ensure_path_unmounted("/data");
}
if (strstr(path, "/data") == path && is_data_media() && !ignore_data_media) {
return 0;
}
Volume* v = volume_for_path(path);
if (v == NULL) {
LOGE("unknown volume for path [%s]\n", path);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// the ramdisk is always mounted; you can't unmount it.
return -1;
}
int result;
result = scan_mounted_volumes();
if (result < 0) {
LOGE("failed to scan mounted volumes\n");
return -1;
}
const MountedVolume* mv =
find_mounted_volume_by_mount_point(v->mount_point);
if (mv == NULL) {
// volume is already unmounted
return 0;
}
if (fs_mgr_is_voldmanaged(volume_for_path(v->mount_point)))
return vold_unmount_volume(v->mount_point, 0, 1) == CommandOkay ? 0 : -1;
return unmount_mounted_volume(mv);
}
int ensure_path_unmounted(const char* path) {
// if we are using /data/media, do not ever unmount volumes /data or /sdcard
if (volume_for_path("/sdcard") == NULL && (strstr(path, "/sdcard") == path || strstr(path, "/data") == path)) {
return 0;
}
Volume* v = volume_for_path(path);
if (v == NULL) {
// no /sdcard? let's assume /data/media
if (strstr(path, "/sdcard") == path && is_data_media()) {
return ensure_path_unmounted("/data");
}
LOGE("unknown volume for path [%s]\n", path);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// the ramdisk is always mounted; you can't unmount it.
return -1;
}
int result;
result = scan_mounted_volumes();
if (result < 0) {
LOGE("failed to scan mounted volumes\n");
return -1;
}
const MountedVolume* mv =
find_mounted_volume_by_mount_point(v->mount_point);
if (mv == NULL) {
// volume is already unmounted
return 0;
}
return unmount_mounted_volume(mv);
}
static nandroid_backup_handler get_backup_handler(const char *backup_path) {
Volume *v = volume_for_path(backup_path);
if (v == NULL) {
#ifndef USE_CHINESE_FONT
ui_print("Unable to find volume.\n");
#else
ui_print("无法找到卷。\n");
#endif
return NULL;
}
const MountedVolume *mv = find_mounted_volume_by_mount_point(v->mount_point);
if (mv == NULL) {
#ifndef USE_CHINESE_FONT
ui_print("Unable to find mounted volume: %s\n", v->mount_point);
#else
ui_print("无法挂载卷: %s\n", v->mount_point);
#endif
return NULL;
}
if (strcmp(backup_path, "/data") == 0 && is_data_media()) {
return default_backup_handler;
}
if (strlen(forced_backup_format) > 0)
return default_backup_handler;
// Disable tar backups of yaffs2 by default
char prefer_tar[PROPERTY_VALUE_MAX];
property_get("ro.cwm.prefer_tar", prefer_tar, "false");
if (strcmp("yaffs2", mv->filesystem) == 0 && strcmp("false", prefer_tar) == 0) {
return mkyaffs2image_wrapper;
}
return default_backup_handler;
}
void show_nandroid_menu()
{
static char* headers[] = { "Nandroid",
"",
NULL
};
static char* list[] = { "backup to internal sdcard",
"restore from internal sdcard",
"advanced restore from internal sdcard",
"backup to external sdcard",
"restore from external sdcard",
"advanced restore from external sdcard",
NULL
};
if (volume_for_path("/emmc") == NULL || volume_for_path("/sdcard") == NULL && is_data_media())
list[3] = NULL;
int chosen_item = get_menu_selection(headers, list, 0, 0);
switch (chosen_item)
{
case 0:
{
char backup_path[PATH_MAX];
time_t t = time(NULL);
struct tm *tmp = localtime(&t);
if (tmp == NULL)
{
struct timeval tp;
gettimeofday(&tp, NULL);
sprintf(backup_path, "/emmc/clockworkmod/backup/%d", tp.tv_sec);
}
else
{
strftime(backup_path, sizeof(backup_path), "/emmc/clockworkmod/backup/%F.%H.%M.%S", tmp);
}
nandroid_backup(backup_path);
}
break;
case 1:
show_nandroid_restore_menu("/emmc");
break;
case 2:
show_nandroid_advanced_restore_menu("/emmc");
break;
case 3:
{
char backup_path[PATH_MAX];
time_t t = time(NULL);
struct tm *tmp = localtime(&t);
if (tmp == NULL)
{
struct timeval tp;
gettimeofday(&tp, NULL);
sprintf(backup_path, "/sdcard/clockworkmod/backup/%d", tp.tv_sec);
}
else
{
strftime(backup_path, sizeof(backup_path), "/sdcard/clockworkmod/backup/%F.%H.%M.%S", tmp);
}
nandroid_backup(backup_path);
}
break;
case 4:
show_nandroid_restore_menu("/sdcard");
break;
case 5:
show_nandroid_advanced_restore_menu("/sdcard");
break;
}
}
int format_volume(const char* volume) {
Volume* v = volume_for_path(volume);
if (v == NULL) {
// no /sdcard? let's assume /data/media
if (strstr(volume, "/sdcard") == volume && is_data_media()) {
return format_unknown_device(NULL, volume, NULL);
}
// silent failure for sd-ext
if (strcmp(volume, "/sd-ext") == 0)
return -1;
LOGE("unknown volume \"%s\"\n", volume);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", volume);
return -1;
}
if (strcmp(v->mount_point, volume) != 0) {
#if 0
LOGE("can't give path \"%s\" to format_volume\n", volume);
return -1;
#endif
return format_unknown_device(v->device, volume, NULL);
}
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(v->device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", v->device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
// MtdWriteContext *write = mtd_write_partition(v->device);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", v->device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", v->device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n", v->device);
return -1;
}
return 0;
}
if (strcmp(v->fs_type, "ext4") == 0) {
reset_ext4fs_info();
int result = make_ext4fs(v->device, NULL, NULL, 0, 0, 0);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", v->device);
return -1;
}
return 0;
}
#if 0
LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
return -1;
#endif
return format_unknown_device(v->device, volume, v->fs_type);
}
int check_backup_size(const char* backup_path) {
// these are the size stats for backup_path we previously refreshed by calling Get_Size_Via_statfs()
int total_mb = (int)(Total_Size / 1048576LLU);
int used_mb = (int)(Used_Size / 1048576LLU);
int free_mb = (int)(Free_Size / 1048576LLU);
int free_percent = free_mb * 100 / total_mb;
Before_Used_Size = Used_Size; // save Used_Size to refresh data written stats later
Backup_Size = 0;
// supported nandroid partitions
char* Base_Partitions_List[BASE_PARTITIONS_NUM] = {
"/recovery",
BOOT_PARTITION_MOUNT_POINT,
"/wimax",
"/modem",
"/radio",
"/efs",
"/misc",
"/system",
"/preload",
"/data",
"/datadata",
"/cache",
"/sd-ext"
};
int items_num = BASE_PARTITIONS_NUM + MAX_EXTRA_NANDROID_PARTITIONS + 1;
char* Partitions_List[items_num];
int i;
for (i = 0; i < BASE_PARTITIONS_NUM; ++i) {
Partitions_List[i] = Base_Partitions_List[i];
}
int extra_partitions_num = get_extra_partitions_state();
for (i = 0; i < extra_partitions_num; ++i) {
Partitions_List[BASE_PARTITIONS_NUM + i] = extra_partition[i].mount_point;
}
Partitions_List[BASE_PARTITIONS_NUM + extra_partitions_num] = NULL;
int preload_status = 0;
if ((is_custom_backup && backup_preload) || (!is_custom_backup && nandroid_add_preload.value))
preload_status = 1;
int Base_Partitions_Backup_Status[] = {
backup_recovery,
backup_boot,
backup_wimax,
backup_modem,
backup_radio,
backup_efs,
backup_misc,
backup_system,
preload_status,
backup_data,
backup_data,
backup_cache,
backup_sdext,
};
LOGI("Checking needed space for backup '%s'\n", backup_path);
// calculate needed space for backup
// assume recovery and wimax always use a raw backup mode (Is_Image() = 0)
char skipped_parts[1024] = "";
int ret = 0;
Volume* vol;
for (i = 0; Partitions_List[i] != NULL; ++i) {
if (i >= BASE_PARTITIONS_NUM) {
if (!extra_partition[i - BASE_PARTITIONS_NUM].backup_state)
continue;
} else if (!Base_Partitions_Backup_Status[i]) {
continue;
}
// size of /data will be calculated later for /data/media devices to subtract sdcard size from it
if (strcmp(Partitions_List[i], "/data") == 0 && is_data_media())
continue;
// redundant but keep for compatibility:
// has_datadata() does a volume_for_path() != NULL check
if (strcmp(Partitions_List[i], "/datadata") == 0 && !has_datadata())
continue;
vol = volume_for_path(Partitions_List[i]);
if (vol == NULL) continue;
if (Is_Image(Partitions_List[i]) == 0) {
if (Find_Partition_Size(Partitions_List[i]) == 0) {
Backup_Size += Total_Size;
LOGI("%s backup size (/proc)=%lluMb\n", Partitions_List[i], Total_Size / 1048576LLU); // debug
} else {
ret++;
strcat(skipped_parts, " - ");
strcat(skipped_parts, Partitions_List[i]);
}
} else if (Is_File_System(Partitions_List[i]) == 0) {
// Get_Size_Via_statfs() will ensure vol->mount_point != NULL
if (0 == ensure_path_mounted(vol->mount_point) && 0 == Get_Size_Via_statfs(vol->mount_point)) {
Backup_Size += Used_Size;
LOGI("%s backup size (stat)=%lluMb\n", Partitions_List[i], Used_Size / 1048576LLU); // debug
} else {
ret++;
strcat(skipped_parts, " - ");
strcat(skipped_parts, Partitions_List[i]);
}
} else {
ret++;
strcat(skipped_parts, " - Unknown file system: ");
strcat(skipped_parts, Partitions_List[i]);
}
}
// handle special partitions and folders:
// handle /data and /data/media partitions size for /data/media devices
unsigned long long data_backup_size = 0;
unsigned long long data_used_bytes = 0;
unsigned long long data_media_size = 0;
if (is_data_media() && (backup_data || backup_data_media)) {
if (0 == ensure_path_mounted("/data") && 0 == Get_Size_Via_statfs("/data")) {
data_media_size = Get_Folder_Size("/data/media");
data_used_bytes = Get_Folder_Size("/data");
data_backup_size = data_used_bytes - data_media_size;
LOGI("/data: tot size=%lluMb, free=%lluMb, backup size=%lluMb, used=%lluMb, media=%lluMb\n",
Total_Size/1048576LLU, Free_Size/1048576LLU, data_backup_size/1048576LLU,
data_used_bytes/1048576LLU, data_media_size/1048576LLU);
} else {
if (backup_data) {
strcat(skipped_parts, " - /data");
ret++;
}
if (backup_data_media) {
strcat(skipped_parts, " - /data/media");
ret++;
}
}
}
if (backup_data)
Backup_Size += data_backup_size;
// check if we are also backing up /data/media
// if backup_path is same as /data/media, ignore this as it will not be processed by nandroid_backup_datamedia()
if (backup_data_media && !is_data_media_volume_path(backup_path)) {
Backup_Size += data_media_size;
LOGI("included /data/media size\n"); // debug
}
// .android_secure size calculation
// set_android_secure_path() will mount tmp so no need to remount before calling Get_Folder_Size(tmp)
char tmp[PATH_MAX];
set_android_secure_path(tmp);
if (backup_data && android_secure_ext) {
unsigned long long andsec_size;
andsec_size = Get_Folder_Size(tmp);
Backup_Size += andsec_size;
LOGI("%s backup size=%lluMb\n", tmp, andsec_size / 1048576LLU); // debug
}
// check if we have the needed space
int backup_size_mb = (int)(Backup_Size / 1048576LLU);
ui_print("\n>> Free space: %dMb (%d%%)\n", free_mb, free_percent);
ui_print(">> Needed space: %dMb\n", backup_size_mb);
if (ret)
ui_print(">> Unknown partitions size (%d):%s\n", ret, skipped_parts);
// dedupe wrapper needs less space than actual backup size (incremental backups)
// only check free space in Mb if we use tar or tar.gz as a default format
// also, add extra 50 Mb for security measures
if (free_percent < 3 || (default_backup_handler != dedupe_compress_wrapper && free_mb < backup_size_mb + 50)) {
LOGW("Low space for backup!\n");
if (!ui_is_initialized()) {
// do not prompt when it is an "adb shell nandroid backup" command
LOGW("\n>>> Backup could fail with I/O error!! <<<\n\n");
} else if (nand_prompt_on_low_space.value && !confirm_selection("Low free space! Continue anyway?", "Yes - Continue Nandroid Job"))
return -1;
}
return 0;
}
void show_partition_menu()
{
static char* headers[] = { "Mounts and Storage Menu",
"",
NULL
};
static MountMenuEntry* mount_menu = NULL;
static FormatMenuEntry* format_menu = NULL;
typedef char* string;
int i, mountable_volumes, formatable_volumes;
int num_volumes;
Volume* device_volumes;
num_volumes = get_num_volumes();
device_volumes = get_device_volumes();
string options[255];
if(!device_volumes)
return;
mountable_volumes = 0;
formatable_volumes = 0;
mount_menu = malloc(num_volumes * sizeof(MountMenuEntry));
format_menu = malloc(num_volumes * sizeof(FormatMenuEntry));
for (i = 0; i < num_volumes; ++i) {
Volume* v = &device_volumes[i];
if(strcmp("ramdisk", v->fs_type) != 0 && strcmp("mtd", v->fs_type) != 0 && strcmp("emmc", v->fs_type) != 0 && strcmp("bml", v->fs_type) != 0) {
if (strcmp("datamedia", v->fs_type) != 0) {
sprintf(&mount_menu[mountable_volumes].mount, "mount %s", v->mount_point);
sprintf(&mount_menu[mountable_volumes].unmount, "unmount %s", v->mount_point);
mount_menu[mountable_volumes].v = &device_volumes[i];
++mountable_volumes;
}
if (is_safe_to_format(v->mount_point)) {
sprintf(&format_menu[formatable_volumes].txt, "format %s", v->mount_point);
format_menu[formatable_volumes].v = &device_volumes[i];
++formatable_volumes;
}
}
else if (strcmp("ramdisk", v->fs_type) != 0 && strcmp("mtd", v->fs_type) == 0 && is_safe_to_format(v->mount_point))
{
sprintf(&format_menu[formatable_volumes].txt, "format %s", v->mount_point);
format_menu[formatable_volumes].v = &device_volumes[i];
++formatable_volumes;
}
}
static char* confirm_format = "Confirm format?";
static char* confirm = "Yes - Format";
char confirm_string[255];
for (;;)
{
for (i = 0; i < mountable_volumes; i++)
{
MountMenuEntry* e = &mount_menu[i];
Volume* v = e->v;
if(is_path_mounted(v->mount_point))
options[i] = e->unmount;
else
options[i] = e->mount;
}
for (i = 0; i < formatable_volumes; i++)
{
FormatMenuEntry* e = &format_menu[i];
options[mountable_volumes+i] = e->txt;
}
if (!is_data_media()) {
options[mountable_volumes + formatable_volumes] = "mount USB storage";
options[mountable_volumes + formatable_volumes + 1] = NULL;
}
else {
options[mountable_volumes + formatable_volumes] = "format /data and /data/media (/sdcard)";
options[mountable_volumes + formatable_volumes + 1] = NULL;
}
int chosen_item = get_menu_selection(headers, &options, 0, 0);
if (chosen_item == GO_BACK)
break;
if (chosen_item == (mountable_volumes+formatable_volumes)) {
if (!is_data_media()) {
show_mount_usb_storage_menu();
}
else {
if (!confirm_selection("format /data and /data/media (/sdcard)", confirm))
continue;
ignore_data_media_workaround(1);
ui_print("Formatting /data...\n");
if (0 != format_volume("/data"))
ui_print("Error formatting /data!\n");
else
ui_print("Done.\n");
ignore_data_media_workaround(0);
}
}
else if (chosen_item < mountable_volumes) {
MountMenuEntry* e = &mount_menu[chosen_item];
Volume* v = e->v;
if (is_path_mounted(v->mount_point))
{
if (0 != ensure_path_unmounted(v->mount_point))
ui_print("Error unmounting %s!\n", v->mount_point);
}
else
{
if (0 != ensure_path_mounted(v->mount_point))
ui_print("Error mounting %s!\n", v->mount_point);
}
}
else if (chosen_item < (mountable_volumes + formatable_volumes))
{
chosen_item = chosen_item - mountable_volumes;
FormatMenuEntry* e = &format_menu[chosen_item];
Volume* v = e->v;
sprintf(confirm_string, "%s - %s", v->mount_point, confirm_format);
if (!confirm_selection(confirm_string, confirm))
continue;
ui_print("Formatting %s...\n", v->mount_point);
if (0 != format_volume(v->mount_point))
ui_print("Error formatting %s!\n", v->mount_point);
else
ui_print("Done.\n");
}
}
free(mount_menu);
free(format_menu);
}
static void compute_directory_stats(const char* directory)
{
char tmp[PATH_MAX];
sprintf(tmp, "find %s | %s wc -l > /tmp/dircount", directory, strcmp(directory, "/data") == 0 && is_data_media() ? "grep -v /data/media |" : "");
__system(tmp);
char count_text[100];
FILE* f = fopen("/tmp/dircount", "r");
fread(count_text, 1, sizeof(count_text), f);
fclose(f);
nandroid_files_count = 0;
nandroid_files_total = atoi(count_text);
ui_reset_progress();
ui_show_progress(1, 0);
}
int nandroid_backup(const char* backup_path)
{
nandroid_backup_bitfield = 0;
ui_set_background(BACKGROUND_ICON_INSTALLING);
refresh_default_backup_handler();
if (ensure_path_mounted(backup_path) != 0) {
return print_and_error("Can't mount backup path.\n");
}
Volume* volume = volume_for_path(backup_path);
if (NULL == volume)
return print_and_error("Unable to find volume for backup path.\n");
if (is_data_media_volume_path(volume->mount_point))
volume = volume_for_path("/data");
int ret;
struct statfs s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &s)))
return print_and_error("Unable to stat backup path.\n");
uint64_t bavail = s.f_bavail;
uint64_t bsize = s.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
if (sdcard_free_mb < 150)
ui_print("There may not be enough free space to complete backup... continuing...\n");
}
char tmp[PATH_MAX];
ensure_directory(backup_path);
if (backup_boot && 0 != (ret = nandroid_backup_partition(backup_path, "/boot")))
return ret;
if (backup_recovery && 0 != (ret = nandroid_backup_partition(backup_path, "/recovery")))
return ret;
Volume *vol = volume_for_path("/wimax");
if (backup_wimax && vol != NULL && 0 == stat(vol->device, &s))
{
char serialno[PROPERTY_VALUE_MAX];
ui_print("Backing up WiMAX...\n");
serialno[0] = 0;
property_get("ro.serialno", serialno, "");
sprintf(tmp, "%s/wimax.%s.img", backup_path, serialno);
ret = backup_raw_partition(vol->fs_type, vol->device, tmp);
if (0 != ret)
return print_and_error("Error while dumping WiMAX image!\n");
}
//2 copies of efs are made: tarball and raw backup
if (backup_efs) {
//first backup in raw format, returns 0 on success (or if skipped), else 1
if (0 != custom_backup_raw_handler(backup_path, "/efs")) {
ui_print("EFS raw image backup failed! Trying tar backup...\n");
}
//second backup in tar format
sprintf(tmp, "%s/efs_tar", backup_path);
ensure_directory(tmp);
if (0 != (ret = nandroid_backup_partition(tmp, "/efs")))
return ret;
}
if (backup_modem) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/modem")))
return ret;
}
if (backup_system && 0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
if (is_custom_backup && backup_preload) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/preload"))) {
ui_print("Failed to backup /preload!\n");
return ret;
}
}
else if (!is_custom_backup
#ifdef PHILZ_TOUCH_RECOVERY
&& nandroid_add_preload
#endif
)
{
if (0 != (ret = nandroid_backup_partition(backup_path, "/preload"))) {
ui_print("Failed to backup preload! Try to disable it.\n");
ui_print("Skipping /preload...\n");
//return ret;
}
}
if (backup_data && 0 != (ret = nandroid_backup_partition(backup_path, "/data")))
return ret;
if (has_datadata()) {
if (backup_data && 0 != (ret = nandroid_backup_partition(backup_path, "/datadata")))
return ret;
}
if (is_data_media() || 0 != stat("/sdcard/.android_secure", &s)) {
ui_print("No /sdcard/.android_secure found. Skipping backup of applications on external storage.\n");
}
else {
if (backup_data && 0 != (ret = nandroid_backup_partition_extended(backup_path, "/sdcard/.android_secure", 0)))
return ret;
}
if (backup_cache && 0 != (ret = nandroid_backup_partition_extended(backup_path, "/cache", 0)))
return ret;
if (backup_sdext) {
vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &s))
{
ui_print("No sd-ext found. Skipping backup of sd-ext.\n");
}
else
{
if (0 != ensure_path_mounted("/sd-ext"))
ui_print("Could not mount sd-ext. sd-ext backup may not be supported on this device. Skipping backup of sd-ext.\n");
else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
return ret;
}
}
#ifdef PHILZ_TOUCH_RECOVERY
if (enable_md5sum)
#endif
{
ui_print("Generating md5 sum...\n");
sprintf(tmp, "nandroid-md5.sh %s", backup_path);
if (0 != (ret = __system(tmp))) {
ui_print("Error while generating md5 sum!\n");
return ret;
}
}
sprintf(tmp, "chmod -R 777 %s ; chmod -R u+r,u+w,g+r,g+w,o+r,o+w /sdcard/clockworkmod ; chmod u+x,g+x,o+x /sdcard/clockworkmod/backup ; chmod u+x,g+x,o+x /sdcard/clockworkmod/blobs", backup_path);
__system(tmp);
sync();
ui_set_background(BACKGROUND_ICON_NONE);
ui_reset_progress();
ui_print("\nBackup complete!\n");
return 0;
}
int format_volume(const char* volume) {
if (is_data_media_volume_path(volume)) {
return format_unknown_device(NULL, volume, NULL);
}
// check to see if /data is being formatted, and if it is /data/media
// Note: the /sdcard check is redundant probably, just being safe.
if (strstr(volume, "/data") == volume && is_data_media() && !ignore_data_media) {
return format_unknown_device(NULL, volume, NULL);
}
Volume* v = volume_for_path(volume);
if (v == NULL) {
// silent failure for sd-ext
if (strcmp(volume, "/sd-ext") != 0)
LOGE("unknown volume '%s'\n", volume);
return -1;
}
// silent failure to format non existing sd-ext when defined in recovery.fstab
if (strcmp(volume, "/sd-ext") == 0) {
struct stat s;
if (0 != stat(v->blk_device, &s)) {
LOGI("Skipping format of sd-ext\n");
return -1;
}
}
// Only use vold format for exact matches otherwise /sdcard will be
// formatted instead of /storage/sdcard0/.android_secure
if (fs_mgr_is_voldmanaged(v) && strcmp(volume, v->mount_point) == 0) {
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount %s", v->mount_point);
}
return vold_format_volume(v->mount_point, 1) == CommandOkay ? 0 : -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", volume);
return -1;
}
if (strcmp(v->mount_point, volume) != 0) {
#if 0
LOGE("can't give path \"%s\" to format_volume\n", volume);
return -1;
#endif
return format_unknown_device(v->blk_device, volume, NULL);
}
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(v->blk_device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", v->blk_device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", v->blk_device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", v->blk_device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n", v->blk_device);
return -1;
}
return 0;
}
if (strcmp(v->fs_type, "ext4") == 0) {
int result = make_ext4fs(v->blk_device, v->length, volume, sehandle);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", v->blk_device);
return -1;
}
return 0;
}
#ifdef USE_F2FS
if (strcmp(v->fs_type, "f2fs") == 0) {
int result = make_f2fs_main(v->blk_device, v->mount_point);
if (result != 0) {
LOGE("format_volume: mkfs.f2f2 failed on %s\n", v->blk_device);
return -1;
}
return 0;
}
#endif
#if 0
LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
return -1;
#endif
return format_unknown_device(v->blk_device, volume, v->fs_type);
}
int nandroid_backup(const char* backup_path)
{
nandroid_backup_bitfield = 0;
ui_set_background(BACKGROUND_ICON_INSTALLING);
refresh_default_backup_handler();
if (ensure_path_mounted(backup_path) != 0) {
return print_and_error("无法挂载备份时需要的存储器.\n");
}
Volume* volume = volume_for_path(backup_path);
if (NULL == volume)
return print_and_error("找不到备份需要的存储器.\n");
if (is_data_media_volume_path(volume->mount_point))
volume = volume_for_path("/data");
int ret;
struct statfs s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &s)))
return print_and_error("找不到备份路径，因此无法开始.\n");
uint64_t bavail = s.f_bavail;
uint64_t bsize = s.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
if (sdcard_free_mb < 150)
ui_print("可能是你的机器空间不足了，继续中...\n");
}
char tmp[PATH_MAX];
ensure_directory(backup_path);
if (0 != (ret = nandroid_backup_partition(backup_path, "/boot")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/uboot")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/recovery")))
return ret;
Volume *vol = volume_for_path("/wimax");
if (vol != NULL && 0 == stat(vol->device, &s))
{
char serialno[PROPERTY_VALUE_MAX];
ui_print("正在备份WiMAX...\n");
serialno[0] = 0;
property_get("ro.serialno", serialno, "");
sprintf(tmp, "%s/wimax.%s.img", backup_path, serialno);
ret = backup_raw_partition(vol->fs_type, vol->device, tmp);
if (0 != ret)
return print_and_error("打包或生成WiMAX镜像失败\n");
}
if (0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/data")))
return ret;
if (has_datadata()) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/datadata")))
return ret;
}
if (is_data_media() || 0 != stat("/sdcard/.android_secure", &s)) {
ui_print("没找到 /sdcard/.android_secure. 跳过外部程序备份.\n");
}
else {
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/sdcard/.android_secure", 0)))
return ret;
}
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/cache", 0)))
return ret;
vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &s))
{
ui_print("没找到SD-EXT，因此跳过该处备份.\n");
}
else
{
if (0 != ensure_path_mounted("/sd-ext"))
ui_print("没法挂载SD-EXT，可能是你的机器不支持该选项，跳过该部分的备份\n");
else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
return ret;
}
ui_print("生成md5 校验值...\n");
sprintf(tmp, "nandroid-md5.sh %s", backup_path);
if (0 != (ret = __system(tmp))) {
ui_print("MD5校验值生成失败\n");
return ret;
}
sprintf(tmp, "cp /tmp/recovery.log %s/recovery.log", backup_path);
__system(tmp);
sprintf(tmp, "chmod -R 777 %s ; chmod -R u+r,u+w,g+r,g+w,o+r,o+w /sdcard/clockworkmod ; chmod u+x,g+x,o+x /sdcard/clockworkmod/backup ; chmod u+x,g+x,o+x /sdcard/clockworkmod/blobs", backup_path);
__system(tmp);
sync();
ui_set_background(BACKGROUND_ICON_NONE);
ui_reset_progress();
ui_print("\n备份完成!\n");
return 0;
}
static void compute_directory_stats(const char* directory) {
char tmp[PATH_MAX];
char count_text[100];
// reset file count if we ever return before setting it
nandroid_files_count = 0;
nandroid_files_total = 0;
sprintf(tmp, "find %s | %s wc -l > /tmp/dircount", directory, strcmp(directory, "/data") == 0 && is_data_media() ? "grep -v /data/media |" : "");
__system(tmp);
FILE* f = fopen("/tmp/dircount", "r");
if (f == NULL)
return;
if (fgets(count_text, sizeof(count_text), f) == NULL) {
fclose(f);
return;
}
size_t len = strlen(count_text);
if (count_text[len - 1] == '\n')
count_text[len - 1] = '\0';
fclose(f);
nandroid_files_total = atoi(count_text);
ui_reset_progress();
ui_show_progress(1, 0);
}
int nandroid_backup(const char* backup_path) {
nandroid_backup_bitfield = 0;
ui_set_background(BACKGROUND_ICON_INSTALLING);
refresh_default_backup_handler();
if (ensure_path_mounted(backup_path) != 0) {
#ifndef USE_CHINESE_FONT
return print_and_error("Can't mount backup path.\n");
#else
return print_and_error("无法挂载备份路径。\n");
#endif
}
Volume* volume;
if (is_data_media_volume_path(backup_path))
volume = volume_for_path("/data");
else
volume = volume_for_path(backup_path);
if (NULL == volume)
#ifndef USE_CHINESE_FONT
return print_and_error("Unable to find volume for backup path.\n");
#else
return print_and_error("无法找到备份路径所在卷。\n");
#endif
int ret;
struct statfs sfs;
struct stat s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &sfs)))
#ifndef USE_CHINESE_FONT
return print_and_error("Unable to stat backup path.\n");
#else
return print_and_error("无法统计备份路径。\n");
#endif
uint64_t bavail = sfs.f_bavail;
uint64_t bsize = sfs.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
#ifndef USE_CHINESE_FONT
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
#else
ui_print("SD 卡剩余空间: %lluMB\n", sdcard_free_mb);
#endif
if (sdcard_free_mb < 150)
#ifndef USE_CHINESE_FONT
ui_print("There may not be enough free space to complete backup... continuing...\n");
#else
ui_print("可能没有足够的空间完成备份... 继续...\n");
#endif
}
char tmp[PATH_MAX];
ensure_directory(backup_path);
if (0 != (ret = nandroid_backup_partition(backup_path, "/boot")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/recovery")))
return ret;
Volume *vol = volume_for_path("/wimax");
if (vol != NULL && 0 == stat(vol->blk_device, &s)) {
char serialno[PROPERTY_VALUE_MAX];
#ifndef USE_CHINESE_FONT
ui_print("Backing up WiMAX...\n");
#else
ui_print("正在备份 WiMAX...\n");
#endif
serialno[0] = 0;
property_get("ro.serialno", serialno, "");
sprintf(tmp, "%s/wimax.%s.img", backup_path, serialno);
ret = backup_raw_partition(vol->fs_type, vol->blk_device, tmp);
if (0 != ret)
#ifndef USE_CHINESE_FONT
return print_and_error("Error while dumping WiMAX image!\n");
#else
return print_and_error("导出 WiMAX 镜像时出错！\n");
#endif
}
if (0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/data")))
return ret;
if (has_datadata()) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/datadata")))
return ret;
}
if (is_data_media() || 0 != stat(get_android_secure_path(), &s)) {
#ifndef USE_CHINESE_FONT
ui_print("No .android_secure found. Skipping backup of applications on external storage.\n");
#else
ui_print("未找到 .android_secure。跳过备份安装在外置存储卡上的应用程序。\n");
#endif
} else {
if (0 != (ret = nandroid_backup_partition_extended(backup_path, get_android_secure_path(), 0)))
return ret;
}
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/cache", 0)))
return ret;
vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->blk_device, &s)) {
#ifndef USE_CHINESE_FONT
LOGI("No sd-ext found. Skipping backup of sd-ext.\n");
#else
LOGI("未找到 sd-ext。跳过对 sd-ext 的备份。\n");
#endif
} else {
if (0 != ensure_path_mounted("/sd-ext"))
#ifndef USE_CHINESE_FONT
LOGI("Could not mount sd-ext. sd-ext backup may not be supported on this device. Skipping backup of sd-ext.\n");
#else
LOGI("无法挂载 sd-ext。此设备可能不支持对 sd-ext 进行备份，跳过对sd-ext的备份。\n");
#endif
else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
return ret;
}
static void build_configuration_path(char *path_buf, const char *file) {
sprintf(path_buf, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), file);
}
static int tar_gzip_compress_wrapper(const char* backup_path, const char* backup_file_image, int callback) {
char tmp[PATH_MAX];
sprintf(tmp, "cd $(dirname %s) ; touch %s.tar.gz ; (tar cv --exclude=data/data/com.google.android.music/files/* %s $(basename %s) | pigz -c | split -a 1 -b 1000000000 /proc/self/fd/0 %s.tar.gz.) 2> /proc/self/fd/1 ; exit $?", backup_path, backup_file_image, strcmp(backup_path, "/data") == 0 && is_data_media() ? "--exclude 'media'" : "", backup_path, backup_file_image);
return do_tar_compress(tmp, callback);
}
int nandroid_backup(const char* backup_path)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
if (ensure_path_mounted(backup_path) != 0) {
return print_and_error("Can't mount backup path.\n");
}
Volume* volume = volume_for_path(backup_path);
if (NULL == volume) {
if (strstr(backup_path, "/sdcard") == backup_path && is_data_media())
volume = volume_for_path("/data");
else
return print_and_error("Unable to find volume for backup path.\n");
}
int ret;
struct statfs s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &s)))
return print_and_error("Unable to stat backup path.\n");
uint64_t bavail = s.f_bavail;
uint64_t bsize = s.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
if (sdcard_free_mb < 150)
ui_print("There may not be enough free space to complete backup... continuing...\n");
}
char tmp[PATH_MAX];
sprintf(tmp, "mkdir -p %s", backup_path);
__system(tmp);
if (0 != (ret = nandroid_backup_partition(backup_path, "/boot")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/recovery")))
return ret;
Volume *vol = volume_for_path("/wimax");
if (vol != NULL && 0 == stat(vol->device, &s))
{
char serialno[PROPERTY_VALUE_MAX];
ui_print("Backing up WiMAX...\n");
serialno[0] = 0;
property_get("ro.serialno", serialno, "");
sprintf(tmp, "%s/wimax.%s.img", backup_path, serialno);
ret = backup_raw_partition(vol->fs_type, vol->device, tmp);
if (0 != ret)
return print_and_error("Error while dumping WiMAX image!\n");
}
if (0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/data")))
return ret;
if (has_datadata()) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/datadata")))
return ret;
}
if (0 != stat("/sdcard/.android_secure", &s))
{
ui_print("No /sdcard/.android_secure found. Skipping backup of applications on external storage.\n");
}
else
{
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/sdcard/.android_secure", 0)))
return ret;
}
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/cache", 0)))
return ret;
vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &s))
{
ui_print("No sd-ext found. Skipping backup of sd-ext.\n");
}
else
{
if (0 != ensure_path_mounted("/sd-ext"))
ui_print("Could not mount sd-ext. sd-ext backup may not be supported on this device. Skipping backup of sd-ext.\n");
else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
return ret;
}
ui_print("Generating md5 sum...\n");
sprintf(tmp, "nandroid-md5.sh %s", backup_path);
if (0 != (ret = __system(tmp))) {
ui_print("Error while generating md5 sum!\n");
return ret;
}
sync();
ui_set_background(BACKGROUND_ICON_NONE);
ui_reset_progress();
ui_print("\nBackup complete!\n");
return 0;
}
static int tar_compress_wrapper(const char* backup_path, const char* backup_file_image, int callback) {
char tmp[PATH_MAX];
sprintf(tmp, "cd $(dirname %s) ; touch %s.tar ; (tar cv %s $(basename %s) | split -a 1 -b 1000000000 /proc/self/fd/0 %s.tar.) 2> /proc/self/fd/1 ; exit $?", backup_path, backup_file_image, strcmp(backup_path, "/data") == 0 && is_data_media() ? "--exclude 'media'" : "", backup_path, backup_file_image);
FILE *fp = __popen(tmp, "r");
if (fp == NULL) {
ui_print("Unable to execute tar.\n");
return -1;
}
while (fgets(tmp, PATH_MAX, fp) != NULL) {
tmp[PATH_MAX - 1] = NULL;
if (callback)
nandroid_callback(tmp);
}
return __pclose(fp);
}
static int tar_dump_wrapper(const char* backup_path, const char* backup_file_image, int callback) {
char tmp[PATH_MAX];
sprintf(tmp, "cd $(dirname %s); tar cv --exclude=data/data/com.google.android.music/files/* %s $(basename %s) 2> /dev/null | cat", backup_path, strcmp(backup_path, "/data") == 0 && is_data_media() ? "--exclude 'media'" : "", backup_path);
return __system(tmp);
}
int format_volume(const char* volume, bool force) {
if (strcmp(volume, "media") == 0) {
if (!is_data_media()) {
return 0;
}
if (ensure_path_mounted("/data") != 0) {
LOGE("format_volume failed to mount /data\n");
return -1;
}
int rc = 0;
rc = rmtree_except("/data/media", NULL);
ensure_path_unmounted("/data");
return rc;
}
fstab_rec* v = volume_for_path(volume);
if (v == NULL) {
LOGE("unknown volume \"%s\"\n", volume);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", volume);
return -1;
}
if (strcmp(v->mount_point, volume) != 0) {
LOGE("can't give path \"%s\" to format_volume\n", volume);
return -1;
}
if (strcmp(volume, "/data") == 0 && is_data_media() && !force) {
if (ensure_path_mounted("/data") == 0) {
// Preserve .layout_version to avoid "nesting bug"
LOGI("Preserving layout version\n");
unsigned char layout_buf[256];
ssize_t layout_buflen = -1;
int fd;
fd = open("/data/.layout_version", O_RDONLY);
if (fd != -1) {
layout_buflen = read(fd, layout_buf, sizeof(layout_buf));
close(fd);
}
int rc = rmtree_except("/data", "media");
// Restore .layout_version
if (layout_buflen > 0) {
LOGI("Restoring layout version\n");
fd = open("/data/.layout_version", O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd != -1) {
write(fd, layout_buf, layout_buflen);
close(fd);
}
}
ensure_path_unmounted(volume);
return rc;
}
LOGE("format_volume failed to mount /data, formatting instead\n");
}
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
// Only use vold format for exact matches otherwise /sdcard will be
// formatted instead of /storage/sdcard0/.android_secure
if (fs_mgr_is_voldmanaged(v) && strcmp(volume, v->mount_point) == 0) {
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount %s", v->mount_point);
}
return vold_format_volume(v->mount_point, 1);
}
if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(v->blk_device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", v->blk_device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", v->blk_device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", v->blk_device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n", v->blk_device);
return -1;
}
return 0;
}
if (strcmp(v->fs_type, "ext4") == 0 || strcmp(v->fs_type, "f2fs") == 0) {
// if there's a key_loc that looks like a path, it should be a
// block device for storing encryption metadata. wipe it too.
if (v->key_loc != NULL && v->key_loc[0] == '/') {
LOGI("wiping %s\n", v->key_loc);
int fd = open(v->key_loc, O_WRONLY | O_CREAT, 0644);
if (fd < 0) {
LOGE("format_volume: failed to open %s\n", v->key_loc);
return -1;
}
wipe_block_device(fd, get_file_size(fd));
close(fd);
}
ssize_t length = 0;
if (v->length != 0) {
length = v->length;
} else if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0) {
length = -CRYPT_FOOTER_OFFSET;
}
int result;
if (strcmp(v->fs_type, "ext4") == 0) {
result = make_ext4fs(v->blk_device, length, volume, sehandle);
} else { /* Has to be f2fs because we checked earlier. */
char bytes_reserved[10] = {0};
if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0) {
snprintf(bytes_reserved, sizeof(bytes_reserved), "%d", CRYPT_FOOTER_OFFSET);
}
char *num_sectors;
if (asprintf(&num_sectors, "%zd", length / 512) <= 0) {
LOGE("format_volume: failed to create %s command for %s\n", v->fs_type, v->blk_device);
return -1;
}
const char *f2fs_path = "/sbin/mkfs.f2fs";
const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", "-r",
bytes_reserved, v->blk_device, num_sectors, NULL};
result = exec_cmd(f2fs_path, (char* const*)f2fs_argv);
free(num_sectors);
}
if (result != 0) {
LOGE("format_volume: make %s failed on %s with %d(%s)\n", v->fs_type, v->blk_device, result, strerror(errno));
return -1;
}
return 0;
}
LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
return -1;
}
int nandroid_restore_partition_extended(const char* backup_path, const char* mount_point, int umount_when_finished) {
int ret = 0;
char* name = basename(mount_point);
nandroid_restore_handler restore_handler = NULL;
const char *filesystems[] = { "yaffs2", "ext2", "ext3", "ext4", "vfat", "rfs", NULL };
const char* backup_filesystem = NULL;
Volume *vol = volume_for_path(mount_point);
const char *device = NULL;
if (vol != NULL)
device = vol->device;
char tmp[PATH_MAX];
sprintf(tmp, "%s/%s.img", backup_path, name);
struct stat file_info;
if (strcmp(backup_path, "-") == 0) {
if (vol)
backup_filesystem = vol->fs_type;
restore_handler = tar_extract_wrapper;
strcpy(tmp, "/proc/self/fd/0");
}
else if (0 != (ret = statfs(tmp, &file_info))) {
// can't find the backup, it may be the new backup format?
// iterate through the backup types
printf("找不到默认\n");
char *filesystem;
int i = 0;
while ((filesystem = filesystems[i]) != NULL) {
sprintf(tmp, "%s/%s.%s.img", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = unyaffs_wrapper;
break;
}
sprintf(tmp, "%s/%s.%s.tar", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = tar_extract_wrapper;
break;
}
sprintf(tmp, "%s/%s.%s.dup", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = dedupe_extract_wrapper;
break;
}
i++;
}
if (backup_filesystem == NULL || restore_handler == NULL) {
ui_print("%s.镜像没找到，因此跳过该处恢复. %s.\n", name, mount_point);
return 0;
}
else {
printf("找到新的可恢复镜像: %s\n", tmp);
}
}
// If the fs_type of this volume is "auto" or mount_point is /data
// and is_data_media, let's revert
// to using a rm -rf, rather than trying to do a
// ext3/ext4/whatever format.
// This is because some phones (like DroidX) will freak out if you
// reformat the /system or /data partitions, and not boot due to
// a locked bootloader.
// Other devices, like the Galaxy Nexus, XOOM, and Galaxy Tab 10.1
// have a /sdcard symlinked to /data/media.
// Or of volume does not exist (.android_secure), just rm -rf.
if (vol == NULL || 0 == strcmp(vol->fs_type, "auto"))
backup_filesystem = NULL;
if (0 == strcmp(vol->mount_point, "/data") && is_data_media())
backup_filesystem = NULL;
ensure_directory(mount_point);
int callback = stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info) != 0;
ui_print("正在恢复 %s...\n", name);
if (backup_filesystem == NULL) {
if (0 != (ret = format_volume(mount_point))) {
ui_print("格式化下列分区失败 %s!\n", mount_point);
return ret;
}
}
else if (0 != (ret = format_device(device, mount_point, backup_filesystem))) {
ui_print("格式化下列分区失败 %s!\n", mount_point);
return ret;
}
if (0 != (ret = ensure_path_mounted(mount_point))) {
ui_print("挂载下列分区失败 %s!\n", mount_point);
return ret;
}
if (restore_handler == NULL)
restore_handler = get_restore_handler(mount_point);
// override restore handler for undump
if (strcmp(backup_path, "-") == 0) {
restore_handler = tar_undump_wrapper;
}
if (restore_handler == NULL) {
ui_print("找不到合适的方案\n");
return -2;
}
if (0 != (ret = restore_handler(tmp, mount_point, callback))) {
ui_print("恢复失败： %s!\n", mount_point);
return ret;
}
if (umount_when_finished) {
ensure_path_unmounted(mount_point);
}
return 0;
}
void wipe_data(int confirm) {
if (confirm) {
static char** title_headers = NULL;
if (title_headers == NULL) {
char* headers[] = { "Confirm wipe of all user data?",
" THIS CAN NOT BE UNDONE.",
"",
NULL };
title_headers = prepend_title((const char**)headers);
}
char* items[] = { " No",
#if TARGET_BOOTLOADER_BOARD_NAME == otter
" Yes -- delete all user data", // [1]
#else
" No",
" No",
" No",
" No",
" No",
" No",
" Yes -- delete all user data", // [7]
" No",
" No",
" No",
#endif
NULL };
int chosen_item = get_menu_selection(title_headers, items, 1, 0);
#if TARGET_BOOTLOADER_BOARD_NAME == otter
if (chosen_item != 1) {
#else
if (chosen_itme != 7) {
#endif
return;
}
}
ui_print("\n-- Wiping data...\n");
device_wipe_data();
erase_volume("/data");
erase_volume("/cache");
if (has_datadata()) {
erase_volume("/datadata");
}
#if TARGET_BOOTLOADER_BOARD_NAME != otter // ToDo: make this check for the partition rather then the device
erase_volume("/sd-ext");
#endif
erase_volume("/sdcard/.android_secure");
ui_print("%s\n", datawipecomplete);
}
void erase_cache(int orscallback) {
if(orscallback) {
if(orswipeprompt && !confirm_selection("Confirm wipe?","Yes - Wipe Cache")) {
ui_print("Skipping cache wipe...\n");
return;
}
} else if (!confirm_selection("Confirm wipe?", "Yes - Wipe Cache")) {
return;
}
ui_print("\n-- Wiping cache...\n");
erase_volume("/cache");
ui_print("%s\n", cachewipecomplete);
if (!ui_text_visible()) return;
}
void erase_dalvik_cache(int orscallback) {
if(orscallback) {
if(orswipeprompt && !confirm_selection("Confirm wipe?", "Yes - Wipe Dalvik Cache")) {
ui_print("Skipping dalvik cache wipe...\n");
return;
}
} else if (!confirm_selection( "Confirm wipe?", "Yes - Wipe Dalvik Cache")) {
return;
}
if (0 != ensure_path_mounted("/data")) {
return;
}
#if TARGET_BOOTLOADER_BOARD_NAME != otter
ensure_path_mounted("/sd-ext");
#endif
ensure_path_mounted("/cache");
__system("rm -r /data/dalvik-cache");
__system("rm -r /cache/dalvik-cache");
#if TARGET_BOOTLOADER_BOARD_NAME != otter
__system("rm -r /sd-ext/dalvik-cache");
#endif
ui_print("Dalvik Cache wiped.\n");
ensure_path_unmounted("/data");
}
void wipe_all(int orscallback) {
if(orscallback) {
if(orswipeprompt && !confirm_selection("Confirm wipe all?", "Yes - Wipe All")) {
ui_print("Skipping full wipe...\n");
return;
}
} else if (!confirm_selection("Confirm wipe all?", "Yes - Wipe All")) {
return;
}
ui_print("\n-- Wiping system, data, cache...\n");
erase_volume("/system");
erase_volume("/data");
erase_volume("/cache");
ui_print("\nFull wipe complete!\n");
if (!ui_text_visible()) return;
}
int format_device(const char *device, const char *path, const char *fs_type) {
Volume* v = volume_for_path(path);
if (v == NULL) {
// no /sdcard? let's assume /data/media
if (strstr(path, "/sdcard") == path && is_data_media()) {
return format_unknown_device(NULL, path, NULL);
}
// silent failure for sd-ext
if (strcmp(path, "/sd-ext") == 0)
return -1;
LOGE("unknown volume \"%s\"\n", path);
return -1;
}
if (strcmp(fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", path);
return -1;
}
if (strcmp(fs_type, "rfs") == 0) {
if (ensure_path_unmounted(path) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (0 != format_rfs_device(device, path)) {
LOGE("format_volume: format_rfs_device failed on %s\n", device);
return -1;
}
return 0;
}
if (strcmp(v->mount_point, path) != 0) {
return format_unknown_device(v->device, path, NULL);
}
if (ensure_path_unmounted(path) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (strcmp(fs_type, "yaffs2") == 0 || strcmp(fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n",device);
return -1;
}
return 0;
}
if (strcmp(fs_type, "ext4") == 0) {
int length = 0;
if (strcmp(v->fs_type, "ext4") == 0) {
// Our desired filesystem matches the one in fstab, respect v->length
length = v->length;
}
reset_ext4fs_info();
int result = make_ext4fs(device, length, v->mount_point, sehandle);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", device);
return -1;
}
return 0;
}
return format_unknown_device(device, path, fs_type);
}
static int dedupe_compress_wrapper(const char* backup_path, const char* backup_file_image, int callback) {
char tmp[PATH_MAX];
char blob_dir[PATH_MAX];
strcpy(blob_dir, backup_file_image);
char *d = dirname(blob_dir);
strcpy(blob_dir, d);
d = dirname(blob_dir);
strcpy(blob_dir, d);
d = dirname(blob_dir);
strcpy(blob_dir, d);
strcat(blob_dir, "/blobs");
ensure_directory(blob_dir);
if (!(nandroid_backup_bitfield & NANDROID_FIELD_DEDUPE_CLEARED_SPACE)) {
nandroid_backup_bitfield |= NANDROID_FIELD_DEDUPE_CLEARED_SPACE;
nandroid_dedupe_gc(blob_dir);
}
sprintf(tmp, "dedupe c %s %s %s.dup %s", backup_path, blob_dir, backup_file_image, strcmp(backup_path, "/data") == 0 && is_data_media() ? "./media" : "");
FILE *fp = __popen(tmp, "r");
if (fp == NULL) {
ui_print("Unable to execute dedupe.\n");
return -1;
}
while (fgets(tmp, PATH_MAX, fp) != NULL) {
tmp[PATH_MAX - 1] = NULL;
if (callback)
nandroid_callback(tmp);
}
return __pclose(fp);
}
int format_volume(const char* volume) {
Volume* v = volume_for_path(volume);
if (v == NULL) {
// silent failure for sd-ext
if (strcmp(volume, "/sd-ext") == 0)
return -1;
LOGE("unknown volume \"%s\"\n", volume);
return -1;
}
if (is_data_media_volume_path(volume)) {
return format_unknown_device(NULL, volume, NULL);
}
// check to see if /data is being formatted, and if it is /data/media
// Note: the /sdcard check is redundant probably, just being safe.
if (strstr(volume, "/data") == volume && is_data_media() && !handle_data_media) {
return format_unknown_device(NULL, volume, NULL);
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", volume);
return -1;
}
if (strcmp(v->mount_point, volume) != 0) {
#if 0
LOGE("can't give path \"%s\" to format_volume\n", volume);
return -1;
#endif
return format_unknown_device(v->device, volume, NULL);
}
if (ensure_path_unmounted(volume) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(v->device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", v->device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", v->device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", v->device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n", v->device);
return -1;
}
return 0;
}
if (strcmp(v->fs_type, "ext4") == 0) {
int result = make_ext4fs(v->device, v->length, volume, sehandle);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", v->device);
return -1;
}
return 0;
}
#if 0
LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
return -1;
#endif
return format_unknown_device(v->device, volume, v->fs_type);
}
int nandroid_restore_partition_extended(const char* backup_path, const char* mount_point, int umount_when_finished) {
int ret = 0;
char* name = basename(mount_point);
nandroid_restore_handler restore_handler = NULL;
const char *filesystems[] = { "yaffs2", "ext2", "ext3", "ext4", "vfat", "rfs", NULL };
const char* backup_filesystem = NULL;
Volume *vol = volume_for_path(mount_point);
const char *device = NULL;
if (vol != NULL)
device = vol->device;
char tmp[PATH_MAX];
sprintf(tmp, "%s/%s.img", backup_path, name);
struct stat file_info;
if (0 != (ret = statfs(tmp, &file_info))) {
// can't find the backup, it may be the new backup format?
// iterate through the backup types
printf("couldn't find old .img format\n");
char *filesystem;
int i = 0;
while ((filesystem = filesystems[i]) != NULL) {
sprintf(tmp, "%s/%s.%s.img", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = unyaffs_wrapper;
break;
}
sprintf(tmp, "%s/%s.%s.tar", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = tar_extract_wrapper;
break;
}
sprintf(tmp, "%s/%s.%s.dup", backup_path, name, filesystem);
if (0 == (ret = statfs(tmp, &file_info))) {
backup_filesystem = filesystem;
restore_handler = dedupe_extract_wrapper;
break;
}
i++;
}
if (backup_filesystem == NULL || restore_handler == NULL) {
//ui_print("%s.img not found. Skipping restore of %s.\n", name, mount_point);
ui_print("No %s backup found(img, tar, dup). Skipping restore of %s.\n", name, mount_point);
return 0;
}
else {
printf("Found new backup image: %s\n", tmp);
}
// If the fs_type of this volume is "auto" or mount_point is /data
// and is_data_media, let's revert
// to using a rm -rf, rather than trying to do a
// ext3/ext4/whatever format.
// This is because some phones (like DroidX) will freak out if you
// reformat the /system or /data partitions, and not boot due to
// a locked bootloader.
// Other devices, like the Galaxy Nexus, XOOM, and Galaxy Tab 10.1
// have a /sdcard symlinked to /data/media.
// Or of volume does not exist (.android_secure), just rm -rf.
if (vol == NULL || 0 == strcmp(vol->fs_type, "auto"))
backup_filesystem = NULL;
if (0 == strcmp(vol->mount_point, "/data") && is_data_media())
backup_filesystem = NULL;
}
ensure_directory(mount_point);
int callback = stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info) != 0;
compute_archive_stats(tmp);
ui_print("Restoring %s...\n", name);
if (backup_filesystem == NULL) {
if (0 != (ret = format_volume(mount_point))) {
ui_print("Error while formatting %s!\n", mount_point);
return ret;
}
}
else if (0 != (ret = format_device(device, mount_point, backup_filesystem))) {
ui_print("Error while formatting %s!\n", mount_point);
return ret;
}
if (0 != (ret = ensure_path_mounted(mount_point))) {
ui_print("Can't mount %s!\n", mount_point);
return ret;
}
if (restore_handler == NULL)
restore_handler = get_restore_handler(mount_point);
if (restore_handler == NULL) {
ui_print("Error finding an appropriate restore handler.\n");
return -2;
}
if (0 != (ret = restore_handler(tmp, mount_point, callback))) {
ui_print("Error while restoring %s!\n", mount_point);
return ret;
}
if (umount_when_finished) {
ensure_path_unmounted(mount_point);
}
return 0;
}
int
main(int argc, char **argv) {
time_t start = time(NULL);
// If this binary is started with the single argument "--adbd",
// instead of being the normal recovery binary, it turns into kind
// of a stripped-down version of adbd that only supports the
// 'sideload' command. Note this must be a real argument, not
// anything in the command file or bootloader control block; the
// only way recovery should be run with this argument is when it
// starts a copy of itself from the apply_from_adb() function.
if (argc == 2 && strcmp(argv[1], "--adbd") == 0) {
adb_main();
return 0;
}
// Handle alternative invocations
char* command = argv[0];
char* stripped = strrchr(argv[0], '/');
if (stripped)
command = stripped + 1;
if (strcmp(command, "recovery") != 0) {
struct recovery_cmd cmd = get_command(command);
if (cmd.name)
return cmd.main_func(argc, argv);
#ifdef BOARD_RECOVERY_HANDLES_MOUNT
if (!strcmp(command, "mount") && argc == 2)
{
load_volume_table();
return ensure_path_mounted(argv[1]);
}
#endif
if (!strcmp(command, "setup_adbd")) {
load_volume_table();
setup_adbd();
return 0;
}
if (strstr(argv[0], "start")) {
property_set("ctl.start", argv[1]);
return 0;
}
if (strstr(argv[0], "stop")) {
property_set("ctl.stop", argv[1]);
return 0;
}
return busybox_driver(argc, argv);
}
// devices can run specific tasks on recovery start
__system("/sbin/postrecoveryboot.sh");
// Clear umask for packages that copy files out to /tmp and then over
// to /system without properly setting all permissions (eg. gapps).
umask(0);
// If these fail, there's not really anywhere to complain...
freopen(TEMPORARY_LOG_FILE, "a", stdout); setbuf(stdout, NULL);
freopen(TEMPORARY_LOG_FILE, "a", stderr); setbuf(stderr, NULL);
printf("Starting recovery on %s", ctime(&start));
load_volume_table();
setup_data_media(1);
vold_client_start(&v_callbacks, 0);
vold_set_automount(1);
setup_legacy_storage_paths();
ensure_path_mounted(LAST_LOG_FILE);
rotate_last_logs(10);
get_args(&argc, &argv);
const char *send_intent = NULL;
const char *update_package = NULL;
int wipe_data = 0, wipe_cache = 0, wipe_media = 0, show_text = 0, sideload = 0;
bool just_exit = false;
bool shutdown_after = false;
printf("Checking arguments.\n");
int arg;
while ((arg = getopt_long(argc, argv, "", OPTIONS, NULL)) != -1) {
switch (arg) {
case 's': send_intent = optarg; break;
case 'u': update_package = optarg; break;
case 'w': wipe_data = wipe_cache = 1; break;
case 'm': wipe_media = 1; break;
case 'c': wipe_cache = 1; break;
case 't': show_text = 1; break;
case 'x': just_exit = true; break;
case 'a': sideload = 1; break;
case 'p': shutdown_after = true; break;
case 'g': {
if (stage == NULL || *stage == '\0') {
char buffer[20] = "1/";
strncat(buffer, optarg, sizeof(buffer)-3);
stage = strdup(buffer);
}
break;
}
case '?':
LOGE("Invalid command argument\n");
continue;
}
}
printf("stage is [%s]\n", stage);
device_ui_init(&ui_parameters);
ui_init();
ui_print(EXPAND(RECOVERY_MOD_VERSION_BUILD) "\n");
ui_print("ClockworkMod " EXPAND(CWM_BASE_VERSION) "\n");
LOGI("Device target: " EXPAND(TARGET_COMMON_NAME) "\n");
#ifdef PHILZ_TOUCH_RECOVERY
print_libtouch_version(0);
#endif
int st_cur, st_max;
if (stage != NULL && sscanf(stage, "%d/%d", &st_cur, &st_max) == 2) {
ui_SetStage(st_cur, st_max);
}
// ui_SetStage(5, 8); // debug
if (show_text) ui_ShowText(true);
struct selinux_opt seopts[] = {
{ SELABEL_OPT_PATH, "/file_contexts" }
};
sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
if (!sehandle) {
ui_print("Warning: No file_contexts\n");
}
LOGI("device_recovery_start()\n");
device_recovery_start();
printf("Command:");
for (arg = 0; arg < argc; arg++) {
printf(" \"%s\"", argv[arg]);
}
printf("\n");
if (update_package) {
// For backwards compatibility on the cache partition only, if
// we're given an old 'root' path "CACHE:foo", change it to
// "/cache/foo".
if (strncmp(update_package, "CACHE:", 6) == 0) {
int len = strlen(update_package) + 10;
char* modified_path = (char*)malloc(len);
strlcpy(modified_path, "/cache/", len);
strlcat(modified_path, update_package+6, len);
printf("(replacing path \"%s\" with \"%s\")\n",
update_package, modified_path);
update_package = modified_path;
}
}
printf("\n");
property_list(print_property, NULL);
printf("\n");
int status = INSTALL_SUCCESS;
if (update_package != NULL) {
status = install_package(update_package, &wipe_cache, TEMPORARY_INSTALL_FILE);
if (status == INSTALL_SUCCESS && wipe_cache) {
if (erase_volume("/cache")) {
LOGE("Cache wipe (requested by package) failed.\n");
}
}
if (status != INSTALL_SUCCESS) {
ui_print("Installation aborted.\n");
// If this is an eng or userdebug build, then automatically
// turn the text display on if the script fails so the error
// message is visible.
char buffer[PROPERTY_VALUE_MAX+1];
property_get("ro.build.fingerprint", buffer, "");
if (strstr(buffer, ":userdebug/") || strstr(buffer, ":eng/")) {
ui_ShowText(true);
}
}
} else if (wipe_data) {
if (device_wipe_data()) status = INSTALL_ERROR;
if (erase_volume("/data")) status = INSTALL_ERROR;
if (has_datadata() && erase_volume("/datadata")) status = INSTALL_ERROR;
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Data wipe failed.\n");
} else if (wipe_cache) {
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Cache wipe failed.\n");
} else if (wipe_media) {
if (is_data_media() && erase_volume("/data/media")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Media wipe failed.\n");
} else if (sideload) {
status = enter_sideload_mode(status);
} else if (!just_exit) {
// let's check recovery start up scripts (openrecoveryscript and ROM Manager extendedcommands)
status = INSTALL_NONE; // No command specified, it is a normal recovery boot unless we find a boot script to run
LOGI("Checking for extendedcommand & OpenRecoveryScript...\n");
// we need show_text to show boot scripts log
bool text_visible = ui_IsTextVisible();
ui_SetShowText(true);
if (0 == check_boot_script_file(EXTENDEDCOMMAND_SCRIPT)) {
LOGI("Running extendedcommand...\n");
status = INSTALL_ERROR;
if (0 == run_and_remove_extendedcommand())
status = INSTALL_SUCCESS;
}
if (0 == check_boot_script_file(ORS_BOOT_SCRIPT_FILE)) {
LOGI("Running openrecoveryscript....\n");
status = INSTALL_ERROR;
if (0 == run_ors_boot_script())
status = INSTALL_SUCCESS;
}
ui_SetShowText(text_visible);
}
if (status == INSTALL_ERROR || status == INSTALL_CORRUPT) {
copy_logs();
// ui_set_background(BACKGROUND_ICON_ERROR); // will be set in prompt_and_wait() after recovery lock check
handle_failure();
}
if (status != INSTALL_SUCCESS || ui_IsTextVisible()) {
ui_SetShowText(true);
#ifdef PHILZ_TOUCH_RECOVERY
check_recovery_lock();
#endif
prompt_and_wait(status);
}
// We reach here when in main menu we choose reboot main system or on success install of boot scripts and recovery commands
finish_recovery(send_intent);
if (shutdown_after) {
ui_print("Shutting down...\n");
reboot_main_system(ANDROID_RB_POWEROFF, 0, 0);
} else {
ui_print("Rebooting...\n");
reboot_main_system(ANDROID_RB_RESTART, 0, 0);
}
return EXIT_SUCCESS;
}
int format_device(const char *device, const char *path, const char *fs_type) {
Volume* v = volume_for_path(path);
if (v == NULL) {
// silent failure for sd-ext
if (strcmp(path, "/sd-ext") == 0)
return -1;
LOGE("unknown volume \"%s\"\n", path);
return -1;
}
if (is_data_media_volume_path(path)) {
return format_unknown_device(NULL, path, NULL);
}
if (strstr(path, "/data") == path && is_data_media()) {
return format_unknown_device(NULL, path, NULL);
}
if (strcmp(fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", path);
return -1;
}
if (strcmp(fs_type, "rfs") == 0) {
if (ensure_path_unmounted(path) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (0 != format_rfs_device(device, path)) {
LOGE("format_volume: format_rfs_device failed on %s\n", device);
return -1;
}
return 0;
}
if (strcmp(v->mount_point, path) != 0) {
return format_unknown_device(v->device, path, NULL);
}
if (ensure_path_unmounted(path) != 0) {
LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
return -1;
}
if (strcmp(fs_type, "yaffs2") == 0 || strcmp(fs_type, "mtd") == 0) {
mtd_scan_partitions();
const MtdPartition* partition = mtd_find_partition_by_name(device);
if (partition == NULL) {
LOGE("format_volume: no MTD partition \"%s\"\n", device);
return -1;
}
MtdWriteContext *write = mtd_write_partition(partition);
if (write == NULL) {
LOGW("format_volume: can't open MTD \"%s\"\n", device);
return -1;
} else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
LOGW("format_volume: can't erase MTD \"%s\"\n", device);
mtd_write_close(write);
return -1;
} else if (mtd_write_close(write)) {
LOGW("format_volume: can't close MTD \"%s\"\n",device);
return -1;
}
return 0;
}
if (strcmp(fs_type, "ext4") == 0) {
int length = 0;
if (strcmp(v->fs_type, "ext4") == 0) {
// Our desired filesystem matches the one in fstab, respect v->length
length = v->length;
}
reset_ext4fs_info();
int result = make_ext4fs(device, length, v->mount_point, sehandle);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", device);
return -1;
}
return 0;
}
return format_unknown_device(device, path, fs_type);
}
int ensure_path_mounted(const char* path) {
Volume* v = volume_for_path(path);
if (v == NULL) {
// no /sdcard? let's assume /data/media
if (strstr(path, "/sdcard") == path && is_data_media()) {
LOGW("using /data/media, no /sdcard found.\n");
int ret;
if (0 != (ret = ensure_path_mounted("/data")))
return ret;
setup_data_media();
return 0;
}
LOGE("unknown volume for path [%s]\n", path);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// the ramdisk is always mounted.
return 0;
}
int result;
result = scan_mounted_volumes();
if (result < 0) {
LOGE("failed to scan mounted volumes\n");
return -1;
}
const MountedVolume* mv =
find_mounted_volume_by_mount_point(v->mount_point);
if (mv) {
// volume is already mounted
return 0;
}
mkdir(v->mount_point, 0755); // in case it doesn't already exist
if (strcmp(v->fs_type, "yaffs2") == 0) {
// mount an MTD partition as a YAFFS2 filesystem.
mtd_scan_partitions();
const MtdPartition* partition;
partition = mtd_find_partition_by_name(v->device);
if (partition == NULL) {
LOGE("failed to find \"%s\" partition to mount at \"%s\"\n",
v->device, v->mount_point);
return -1;
}
return mtd_mount_partition(partition, v->mount_point, v->fs_type, 0);
} else if (strcmp(v->fs_type, "ext4") == 0 ||
strcmp(v->fs_type, "ext3") == 0 ||
strcmp(v->fs_type, "rfs") == 0 ||
strcmp(v->fs_type, "vfat") == 0) {
if ((result = try_mount(v->device, v->mount_point, v->fs_type, v->fs_options)) == 0)
return 0;
if ((result = try_mount(v->device2, v->mount_point, v->fs_type, v->fs_options)) == 0)
return 0;
if ((result = try_mount(v->device, v->mount_point, v->fs_type2, v->fs_options2)) == 0)
return 0;
if ((result = try_mount(v->device2, v->mount_point, v->fs_type2, v->fs_options2)) == 0)
return 0;
return result;
} else {
// let's try mounting with the mount binary and hope for the best.
char mount_cmd[PATH_MAX];
sprintf(mount_cmd, "mount %s", path);
return __system(mount_cmd);
}
LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, v->mount_point);
return -1;
}
void write_recovery_version() {
if ( is_data_media() ) {
write_string_to_file("/sdcard/0/clockworkmod/.recovery_version",EXPAND(RECOVERY_VERSION) "\n" EXPAND(TARGET_DEVICE));
}
write_string_to_file("/sdcard/clockworkmod/.recovery_version",EXPAND(RECOVERY_VERSION) "\n" EXPAND(TARGET_DEVICE));
}
int nandroid_backup(const char* backup_path)
{
nandroid_backup_bitfield = 0;
ui_set_background(BACKGROUND_ICON_INSTALLING);
refresh_default_backup_handler();
if (ensure_path_mounted(backup_path) != 0) {
return print_and_error("Can't mount backup path.\n");
}
Volume* volume;
if (is_data_media_volume_path(backup_path))
volume = volume_for_path("/data");
else
volume = volume_for_path(backup_path);
if (NULL == volume)
return print_and_error("Unable to find volume for backup path.\n");
int ret;
struct statfs sfs;
struct stat s;
if (NULL != volume) {
if (0 != (ret = statfs(volume->mount_point, &sfs)))
return print_and_error("Unable to stat backup path.\n");
uint64_t bavail = sfs.f_bavail;
uint64_t bsize = sfs.f_bsize;
uint64_t sdcard_free = bavail * bsize;
uint64_t sdcard_free_mb = sdcard_free / (uint64_t)(1024 * 1024);
ui_print("SD Card space free: %lluMB\n", sdcard_free_mb);
if (sdcard_free_mb < 150)
ui_print("There may not be enough free space to complete backup... continuing...\n");
}
char tmp[PATH_MAX];
ensure_directory(backup_path);
if (0 != (ret = nandroid_backup_partition(backup_path, "/boot")))
return ret;
if (0 != (ret = nandroid_backup_partition(backup_path, "/recovery")))
return ret;
Volume *vol = volume_for_path("/wimax");
if (vol != NULL && 0 == stat(vol->blk_device, &s))
{
char serialno[PROPERTY_VALUE_MAX];
ui_print("正在备份WiMAX...\n");
serialno[0] = 0;
property_get("ro.serialno", serialno, "");
sprintf(tmp, "%s/wimax.%s.img", backup_path, serialno);
ret = backup_raw_partition(vol->fs_type, vol->blk_device, tmp);
if (0 != ret)
return print_and_error("Error while dumping WiMAX image!\n");
}
if (0 != (ret = nandroid_backup_partition(backup_path, "/system")))
return ret;
if (volume_for_path("/preload") != NULL)
{
if (0 != (ret = nandroid_backup_partition(backup_path, "/preload")))
return ret;
}
if (0 != (ret = nandroid_backup_partition(backup_path, "/data")))
return ret;
if (has_datadata()) {
if (0 != (ret = nandroid_backup_partition(backup_path, "/datadata")))
return ret;
}
if (is_data_media() || 0 != stat(get_android_secure_path(), &s)) {
ui_print("没发现.android_secure目录. 跳过备份安装到扩展卡上的程序.\n");
}
else {
if (0 != (ret = nandroid_backup_partition_extended(backup_path, get_android_secure_path(), 0)))
return ret;
}
if (0 != (ret = nandroid_backup_partition_extended(backup_path, "/cache", 0)))
return ret;
vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->blk_device, &s))
{
LOGI("没有sd-ext分区. 跳过.\n");
}
else
{
if (0 != ensure_path_mounted("/sd-ext"))
LOGI("Could not mount sd-ext. sd-ext backup may not be supported on this device. Skipping backup of sd-ext.\n");
else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
return ret;
}
ui_print("创建md5校验文件...\n");
sprintf(tmp, "nandroid-md5.sh %s", backup_path);
if (0 != (ret = __system(tmp))) {
ui_print("创建md5校验文件出错!\n");
return ret;
}
sprintf(tmp, "cp /tmp/recovery.log %s/recovery.log", backup_path);
__system(tmp);
sprintf(tmp, "chmod -R 777 %s ; chmod -R u+r,u+w,g+r,g+w,o+r,o+w /sdcard/clockworkmod ; chmod u+x,g+x,o+x /sdcard/clockworkmod/backup ; chmod u+x,g+x,o+x /sdcard/clockworkmod/blobs", backup_path);
__system(tmp);
sync();
ui_set_background(BACKGROUND_ICON_NONE);
ui_reset_progress();
ui_print("\n备份完毕!\n");
return 0;
}
