Пример #1
0
int format_volume(const char* volume) {
    Volume* 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 (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) {
        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;
    }

    LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
    return -1;
}
Пример #2
0
//INTENT_MOUNT, mount recovery.fstab
static intentResult* intent_unmount(int argc, char* argv[])
{
    return_intent_result_if_fail(argc == 1);
    return_intent_result_if_fail(argv != NULL);
    int result = ensure_path_unmounted(argv[0]);
    if (result == 0)
        return miuiIntent_result_set(result, "ok");
    return miuiIntent_result_set(result, "fail");
}
int bml_check_volume(const char *path) {
    ui_print("Checking %s...\n", path);
    ensure_path_unmounted(path);
    if (0 == ensure_path_mounted(path)) {
        ensure_path_unmounted(path);
        return 0;
    }
    
    Volume *vol = volume_for_path(path);
    if (vol == NULL) {
        LOGE("Unable process volume! Skipping...\n");
        return 0;
    }
    
    ui_print("%s may be rfs. Checking...\n", path);
    char tmp[PATH_MAX];
    sprintf(tmp, "mount -t rfs %s %s", vol->device, path);
    int ret = __system(tmp);
    printf("%d\n", ret);
    return ret == 0 ? 1 : 0;
}
Пример #4
0
// backup /data/media support
// we reach here only if backup_data_media == 1
// backup_data_media can be set to 1 only in "custom backup and restore" menu AND if is_data_media() && !twrp_backup_mode.value
int nandroid_backup_datamedia(const char* backup_path) {
    char tmp[PATH_MAX];
    ui_print("\n>> Backing up /data/media...\n");
    if (is_data_media_volume_path(backup_path)) {
        // non fatal failure
        LOGE("  - can't backup folder to its self, skipping...\n");
        return 0;
    }

    if (0 != ensure_path_mounted("/data"))
        return -1;

    sprintf(tmp, "%s/%s", get_primary_storage_path(), NANDROID_HIDE_PROGRESS_FILE);
    ensure_path_mounted(tmp);
    int callback = !file_found(tmp);

    compute_directory_stats("/data/media");
    Volume *v = volume_for_path("/data");
    if (v == NULL)
        return -1;

    char backup_file_image[PATH_MAX];
    sprintf(backup_file_image, "%s/datamedia.%s", backup_path, v->fs_type == NULL ? "auto" : v->fs_type);

    int fmt;
    fmt = nandroid_get_default_backup_format();
    if (fmt == NANDROID_BACKUP_FORMAT_TAR) {
        sprintf(tmp, "cd / ; touch %s.tar ; set -o pipefail ; (tar -cpv data/media | split -a 1 -b 1000000000 /proc/self/fd/0 %s.tar.) 2> /proc/self/fd/1 ; exit $?",
                backup_file_image, backup_file_image);
    } else if (fmt == NANDROID_BACKUP_FORMAT_TGZ) {
        sprintf(tmp, "cd / ; touch %s.tar.gz ; set -o pipefail ; (tar -cpv data/media | pigz -c -%d | split -a 1 -b 1000000000 /proc/self/fd/0 %s.tar.gz.) 2> /proc/self/fd/1 ; exit $?",
                backup_file_image, compression_value.value, backup_file_image);
    } else {
        // non fatal failure
        LOGE("  - backup format must be tar(.gz), skipping...\n");
        return 0;
    }

    int ret;
    ret = do_tar_compress(tmp, callback, backup_file_image);

    ensure_path_unmounted("/data");

    if (0 != ret)
        return print_and_error("Failed to backup /data/media!\n", ret);

    ui_print("Backup of /data/media completed.\n");
    return 0;
}
Пример #5
0
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);
    
    char tmp[PATH_MAX];
    sprintf(tmp, "%s/%s.img", backup_path, name);
    struct stat file_info;
    if (0 != (ret = statfs(tmp, &file_info))) {
        ui_print("%s.img not found. Skipping restore of %s.\n", name, mount_point);
        return 0;
    }

    ensure_directory(mount_point);

    int callback = stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info) != 0;

    ui_print("Restoring %s...\n", name);
    /*
    if (0 != (ret = ensure_root_path_unmounted(root))) {
        ui_print("Can't unmount %s!\n", mount_point);
        return ret;
    }
    */
    if (0 != (ret = format_volume(mount_point))) {
        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;
    }
    
    nandroid_restore_handler 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;
}
Пример #6
0
static int 
copy_databk_to_data(){
	printf("begin copy databk to data\n");
    char *argv_execv[] = {"data_resume.sh", NULL};
	ensure_path_mounted("/data");
	ensure_path_mounted("/system");
    pid_t pid =fork();
	if(pid==0){
		execv("/system/bin/data_resume.sh",argv_execv);
		_exit(-1);
	}
	int status;
    waitpid(pid, &status, 0);
    if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
        printf("Error (Status %d),fail to resume data\n", WEXITSTATUS(status));
		ensure_path_unmounted("/data");
	    ensure_path_unmounted("/system");
        return -1;
    }
    printf("copy databk to data succeed\n");
	ensure_path_unmounted("/data");
	ensure_path_unmounted("/system"); 
    return 0;		 
}
Пример #7
0
/* add by cjcheng start... */
static int
smdt_update_directory(const char* path, const char* unmount_when_done,
                 int* wipe_cache) {
    ensure_path_mounted(path);
    int result;
    char new_path[PATH_MAX];
    strlcpy(new_path, path, PATH_MAX);
    strlcat(new_path, "/", PATH_MAX);
    strlcat(new_path, "update.zip", PATH_MAX);
    ui->Print("\n-- Install %s ...\n", new_path);
    if (access(new_path, F_OK) == 0) {
        ui->Print("\n read --  %s  ok...\n", new_path);
        ui->SetTipTitle(RecoveryUI::TIP_TITLE_READ_PACKAGE);
    } else {
        ui->Print("\n read --  %s  error...\n", new_path);
        if (unmount_when_done != NULL) {
            ensure_path_unmounted(unmount_when_done);
        }
	return INSTALL_ERROR;
    }

    set_sdcard_update_bootloader_message();

    char* copy = copy_sideloaded_package(new_path);
    if (unmount_when_done != NULL) {
         ensure_path_unmounted(unmount_when_done);
    }

    if (copy) {
        result = install_package(copy, wipe_cache, TEMPORARY_INSTALL_FILE);
        free(copy);
    } else {
        result = INSTALL_ERROR;
    }
    return result;
}
Пример #8
0
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read), and
// record any intent we were asked to communicate back to the system.
// this function is idempotent: call it as many times as you like.
static void
finish_recovery(const char *send_intent) {
    // By this point, we're ready to return to the main system...
    if (send_intent != NULL) {
        FILE *fp = fopen_path(INTENT_FILE, "w");
        if (fp == NULL) {
            LOGE("Can't open %s\n", INTENT_FILE);
        } else {
            fputs(send_intent, fp);
            check_and_fclose(fp, INTENT_FILE);
        }
    }

    // Save the locale to cache, so if recovery is next started up
    // without a --locale argument (eg, directly from the bootloader)
    // it will use the last-known locale.
    if (locale != NULL) {
        LOGI("Saving locale \"%s\"\n", locale);
        FILE* fp = fopen_path(LOCALE_FILE, "w");
        fwrite(locale, 1, strlen(locale), fp);
        fflush(fp);
        fsync(fileno(fp));
        check_and_fclose(fp, LOCALE_FILE);
    }

    // Copy logs to cache so the system can find out what happened.
    copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true);
    copy_log_file(TEMPORARY_LOG_FILE, LAST_LOG_FILE, false);
    copy_log_file(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE, false);
    chmod(LOG_FILE, 0600);
    chown(LOG_FILE, 1000, 1000);   // system user
    chmod(LAST_LOG_FILE, 0640);
    chmod(LAST_INSTALL_FILE, 0644);

    // Reset to normal system boot so recovery won't cycle indefinitely.
    struct bootloader_message boot;
    memset(&boot, 0, sizeof(boot));
    set_bootloader_message(&boot);

    // Remove the command file, so recovery won't repeat indefinitely.
    if (ensure_path_mounted(COMMAND_FILE) != 0 ||
        (unlink(COMMAND_FILE) && errno != ENOENT)) {
        LOGW("Can't unlink %s\n", COMMAND_FILE);
    }

    ensure_path_unmounted(CACHE_ROOT);
    sync();  // For good measure.
}
Пример #9
0
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);
}
Пример #10
0
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);
    
    char tmp[PATH_MAX];
    sprintf(tmp, "%s/%s.img", backup_path, name);
    struct stat file_info;
    if (0 != (ret = statfs(tmp, &file_info))) {
        ui_print("%s.img没有发现. 放弃还原 %s.\n", name, mount_point);
        return 0;
    }

    ensure_directory(mount_point);

    unyaffs_callback callback = NULL;
    if (0 != stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info)) {
        callback = yaffs_callback;
    }

    ui_print("还原 %s...\n", name);
    /*
    if (0 != (ret = ensure_root_path_unmounted(root))) {
        ui_print("Can't unmount %s!\n", mount_point);
        return ret;
    }
    */
    if (0 != (ret = format_volume(mount_point))) {
        ui_print("格式化时出错 %s!\n", mount_point);
        return ret;
    }
    
    if (0 != (ret = ensure_path_mounted(mount_point))) {
        ui_print("不能挂载 %s!\n", mount_point);
        return ret;
    }
    
    if (0 != (ret = unyaffs(tmp, mount_point, callback))) {
        ui_print("还原时出错 %s!\n", mount_point);
        return ret;
    }

    if (umount_when_finished) {
        ensure_path_unmounted(mount_point);
    }
    
    return 0;
}
Пример #11
0
int nandroid_backup_partition_extended(const char* backup_path, const char* mount_point, int umount_when_finished) {

    int ret = 0;
    char name[PATH_MAX];
    char tmp[PATH_MAX];
    strcpy(name, basename(mount_point));

    struct stat file_info;
    build_configuration_path(tmp, NANDROID_HIDE_PROGRESS_FILE);
    ensure_path_mounted(tmp);
    int callback = stat(tmp, &file_info) != 0;

    ui_print("Backing up %s...\n", name);
    if (0 != (ret = ensure_path_mounted(mount_point) != 0)) {
        ui_print("Can't mount %s!\n", mount_point);
        return ret;
    }
    compute_directory_stats(mount_point);
    scan_mounted_volumes();
    Volume *v = volume_for_path(mount_point);
    const MountedVolume *mv = NULL;
    if (v != NULL)
        mv = find_mounted_volume_by_mount_point(v->mount_point);

    if (strcmp(backup_path, "-") == 0)
        sprintf(tmp, "/proc/self/fd/1");
    else if (mv == NULL || mv->filesystem == NULL)
        sprintf(tmp, "%s/%s.auto", backup_path, name);
    else
        sprintf(tmp, "%s/%s.%s", backup_path, name, mv->filesystem);
    nandroid_backup_handler backup_handler = get_backup_handler(mount_point);

    if (backup_handler == NULL) {
        ui_print("Error finding an appropriate backup handler.\n");
        return -2;
    }
    ret = backup_handler(mount_point, tmp, callback);
    if (umount_when_finished) {
        ensure_path_unmounted(mount_point);
    }
    if (0 != ret) {
        ui_print("Error while making a backup image of %s!\n", mount_point);
        return ret;
    }
    ui_print("Backup of %s completed.\n", name);
    return 0;
}
Пример #12
0
static int
erase_volume(const char *volume) {
    ui->SetBackground(RecoveryUI::INSTALLING);
    ui->SetProgressType(RecoveryUI::INDETERMINATE);
    ui->Print("Formatting %s...\n", volume);

    ensure_path_unmounted(volume);

    if (strcmp(volume, "/cache") == 0) {
        // Any part of the log we'd copied to cache is now gone.
        // Reset the pointer so we copy from the beginning of the temp
        // log.
        tmplog_offset = 0;
    }

    return format_volume(volume);
}
Пример #13
0
static int
erase_volume(const char *volume) {
    ui_set_background(BACKGROUND_ICON_INSTALLING);
    ui_show_indeterminate_progress();
    ui_print("Formatting %s...\n", volume);

    ensure_path_unmounted(volume);

    if (strcmp(volume, "/cache") == 0) {
        // Any part of the log we'd copied to cache is now gone.
        // Reset the pointer so we copy from the beginning of the temp
        // log.
        tmplog_offset = 0;
    }

    return format_volume(volume);
}
Пример #14
0
int nandroid_backup_partition_extended(const char* backup_path, const char* mount_point, int umount_when_finished) {

    int ret = 0;
    char name[PATH_MAX];
    strcpy(name, basename(mount_point));

    struct stat file_info;
    int callback = stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info) != 0;

    ui_print("备份中 %s...\n", name);
    if (0 != (ret = ensure_path_mounted(mount_point) != 0)) {
        ui_print("无法挂载 %s!\n", mount_point);
        return ret;
    }
    compute_directory_stats(mount_point);
    char tmp[PATH_MAX];
    scan_mounted_volumes();
    Volume *v = volume_for_path(mount_point);
    MountedVolume *mv = NULL;
    if (v != NULL)
        mv = find_mounted_volume_by_mount_point(v->mount_point);

    if (strcmp(backup_path, "-") == 0)
        sprintf(tmp, "/proc/self/fd/1");
    else if (mv == NULL || mv->filesystem == NULL)
        sprintf(tmp, "%s/%s.auto", backup_path, name);
    else
        sprintf(tmp, "%s/%s.%s", backup_path, name, mv->filesystem);
    nandroid_backup_handler backup_handler = get_backup_handler(mount_point);

    if (backup_handler == NULL) {
        ui_print("找不到合适的备份方案.\n");
        return -2;
    }
    ret = backup_handler(mount_point, tmp, callback);
    if (umount_when_finished) {
        ensure_path_unmounted(mount_point);
    }
    if (0 != ret) {
        ui_print("生成下列镜像文件时失败:  %s!\n", mount_point);
        return ret;
    }
    ui_print("备份 %s 完成.\n", name);
    return 0;
}
Пример #15
0
int setup_install_mounts() {
    if (fstab == NULL) {
        LOGE("can't set up install mounts: no fstab loaded\n");
        return -1;
    }
    for (int i = 0; i < fstab->num_entries; ++i) {
        Volume* v = fstab->recs + i;

        if (strcmp(v->mount_point, "/tmp") == 0 ||
            strcmp(v->mount_point, "/cache") == 0) {
            if (ensure_path_mounted(v->mount_point) != 0) return -1;

        } else {
            if (ensure_path_unmounted(v->mount_point) != 0) return -1;
        }
    }
    return 0;
}
void erase_dalvik_cache(int orscallback) {
	if(orscallback && orswipeprompt && !confirm_selection("Confirm wipe?","Yes- Wipe Dalvik Cache")) {
		ui_print("Skipping dalvik cache wipe...\n");
		return;
	}
	if (0 != ensure_path_mounted("/data"))
		return;

	ensure_path_mounted("/sd-ext");
	ensure_path_mounted("/cache");

	__system("rm -r /data/dalvik-cache");
	__system("rm -r /cache/dalvik-cache");
	__system("rm -r /sd-ext/dalvik-cache");
	ui_print("Dalvik Cache wiped.\n");

	ensure_path_unmounted("/data");
	return;
}
int verify_root_and_recovery() {
    if (ensure_path_mounted("/system") != 0)
        return 0;

    int ret = 0;
    struct stat st;
    if (0 == lstat("/system/etc/install-recovery.sh", &st)) {
        if (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
            ui_show_text(1);
            ret = 1;
            if (confirm_selection("ROM may flash stock recovery on boot. Fix?", "Yes - Disable recovery flash")) {
                __system("chmod -x /system/etc/install-recovery.sh");
            }
        }
    }

    if (0 == lstat("/system/bin/su", &st)) {
        if (S_ISREG(st.st_mode)) {
            if ((st.st_mode & (S_ISUID | S_ISGID)) != (S_ISUID | S_ISGID)) {
                ui_show_text(1);
                ret = 1;
                if (confirm_selection("Root access possibly lost. Fix?", "Yes - Fix root (/system/bin/su)")) {
                    __system("chmod 6755 /system/bin/su");
                }
            }
        }
    }

    if (0 == lstat("/system/xbin/su", &st)) {
        if (S_ISREG(st.st_mode)) {
            if ((st.st_mode & (S_ISUID | S_ISGID)) != (S_ISUID | S_ISGID)) {
                ui_show_text(1);
                ret = 1;
                if (confirm_selection("Root access possibly lost. Fix?", "Yes - Fix root (/system/xbin/su)")) {
                    __system("chmod 6755 /system/xbin/su");
                }
            }
        }
    }

    ensure_path_unmounted("/system");
    return ret;
}
Пример #18
0
// reboot: Reboot the system. Return -1 on error, no return on success
int tw_reboot(RebootCommand command)
{
    if (DataManager_GetIntValue(TW_BACKUP_SYSTEM_SIZE) < DataManager_GetIntValue(TW_MIN_SYSTEM_VAR)) {
		update_system_details();
		if (DataManager_GetIntValue(TW_BACKUP_SYSTEM_SIZE) < DataManager_GetIntValue(TW_MIN_SYSTEM_VAR)) {
			LOGE("System is not installed - preventing reboot!\n");
			return -1;
		}
	}

	// Always force a sync before we reboot
    sync();

    ensure_path_unmounted("/sdcard");

    switch (command)
    {
    case rb_current:
    case rb_system:
        finish_recovery("s");
		sync();
		check_and_run_script("/sbin/rebootsystem.sh", "reboot system");
        return reboot(RB_AUTOBOOT);
    case rb_recovery:
		check_and_run_script("/sbin/rebootrecovery.sh", "reboot recovery");
        return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "recovery");
    case rb_bootloader:
		check_and_run_script("/sbin/rebootbootloader.sh", "reboot bootloader");
        return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "bootloader");
    case rb_poweroff:
		check_and_run_script("/sbin/poweroff.sh", "power off");
        return reboot(RB_POWER_OFF);
    case rb_download:
		check_and_run_script("/sbin/rebootdownload.sh", "reboot download");
		return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "download");
	return 1;
    default:
        return -1;
    }
    return -1;
}
void device_toggle_truedualboot(void) {
	char confirm[PATH_MAX];
	int enable = dualboot_is_tdb_enabled();

#ifndef PHILZ_TOUCH_RECOVERY
	ui_setMenuTextColor(MENU_TEXT_COLOR_RED);
#endif

	sprintf(confirm, "Yes - %s TrueDualBoot", enable?"DISABLE":"ENABLE");

	if (confirm_selection("This will WIPE DATA. Confirm?", confirm)) {
		// unmount /data
		if(ensure_path_unmounted("/data")!=0) {
			LOGE("Error unmounting /data!\n");
			return;
		}

		// format /data
		ui_set_background(BACKGROUND_ICON_INSTALLING);
		ui_show_indeterminate_progress();
		ui_print("Formatting /data...\n");
		set_force_raw_format_enabled(1);
		if(format_volume("/data")!=0) {
			ui_print("Error formatting /data!\n");
			ui_reset_progress();
			return;
		}
		ui_reset_progress();
		set_force_raw_format_enabled(0);
		ui_print("Done.\n");

		// toggle
		dualboot_set_tdb_enabled(!enable);
	}

#ifndef PHILZ_TOUCH_RECOVERY
	ui_setMenuTextColor(MENU_TEXT_COLOR);
#endif

	return;
}
Пример #20
0
int nandroid_backup_partition_extended(const char* backup_path, const char* mount_point, int umount_when_finished) {
    int ret = 0;
    char name[PATH_MAX];
    strcpy(name, basename(mount_point));

    ensure_path_mounted("/sdcard");
    struct stat file_info;
    int callback = stat("/sdcard/clockworkmod/.hidenandroidprogress", &file_info) != 0;

    ui_print("Backing up %s...\n", name);
    if (0 != (ret = ensure_path_mounted(mount_point) != 0)) {
        ui_print("Can't mount %s!\n", mount_point);
        return ret;
    }
    compute_directory_stats(mount_point);
    char tmp[PATH_MAX];
    scan_mounted_volumes();
    Volume *v = volume_for_path(mount_point);
    MountedVolume *mv = NULL;
    if (v != NULL)
        mv = find_mounted_volume_by_mount_point(v->mount_point);
    if (mv == NULL || mv->filesystem == NULL)
        sprintf(tmp, "%s/%s.auto", backup_path, name);
    else
        sprintf(tmp, "%s/%s.%s", backup_path, name, mv->filesystem);
    nandroid_backup_handler backup_handler = get_backup_handler(mount_point);
    if (backup_handler == NULL) {
        ui_print("Error finding an appropriate backup handler.\n");
        return -2;
    }
    ret = backup_handler(mount_point, tmp, callback);
    if (umount_when_finished) {
        ensure_path_unmounted(mount_point);
    }
    if (0 != ret) {
        ui_print("Error while making a backup image of %s!\n", mount_point);
        return ret;
    }
    ui_print("Backup of %s completed.\n", name);
    return 0;
}
Пример #21
0
int replace_device_node(Volume* vol, struct stat* stat) {
    if(stat==NULL) return -1;

    ssize_t len;
    char resolved_path[PATH_MAX];
    if((len = readlink(vol->device, resolved_path, sizeof(resolved_path)-1)) != -1)
        resolved_path[len] = '\0';
    else sprintf(resolved_path, "%s", vol->device);

    if(ensure_path_unmounted(vol->mount_point)!=0) {
        LOGE("replace_device_node: could not unmount device!\n");
        return -1;
    } if(unlink(resolved_path)!=0) {
        LOGE("replace_device_node: could not delete node!\n");
        return -1;
    } if(mknod(resolved_path, stat->st_mode, stat->st_rdev)!=0) {
        LOGE("replace_device_node: could not create node!\n");
        return -1;
    }
    return 0;
}
Пример #22
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);
}
Пример #23
0
int set_active_system(int num) {
    int i;
    char* mount_point;
    Volume* system0 = volume_for_path("/system");
    Volume* system1 = volume_for_path("/system1");
    Volume* boot0 = volume_for_path("/boot");
    Volume* boot1 = volume_for_path("/boot1");
    Volume* radio0 = volume_for_path("/radio");
    Volume* radio1 = volume_for_path("/radio1");

    handle_volume_request(system0, system1, num);
    handle_volume_request(boot0, boot1, num);
    handle_volume_request(radio0, radio1, num);

    if(ensure_path_unmounted("/data")!=0) {
        LOGE("could not unmount /data!\n");
        return -1;
    }

    selected_dualsystem_mode = num;

    return 0;
}
Пример #24
0
static int
erase_volume(const char *volume) {
    ui->SetBackground(RecoveryUI::ERASING);
    ui->SetProgressType(RecoveryUI::INDETERMINATE);
    /* add by cjcheng start... */
    if (strcmp(volume, "/cache") == 0) {
        ui->SetTipTitle(RecoveryUI::TIP_TITLE_WIPE_CACHE);
    } else if (strcmp(volume, "/data") == 0) {
        ui->SetTipTitle(RecoveryUI::TIP_TITLE_WIPE_DATA);
    }
    /* add by cjcheng end... */
    ui->Print("Formatting %s...\n", volume);

    ensure_path_unmounted(volume);

    if (strcmp(volume, "/cache") == 0) {
        // Any part of the log we'd copied to cache is now gone.
        // Reset the pointer so we copy from the beginning of the temp
        // log.
        tmplog_offset = 0;
    }

    return format_volume(volume);
}
Пример #25
0
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read), and
// record any intent we were asked to communicate back to the system.
// this function is idempotent: call it as many times as you like.
static void
finish_recovery(const char *send_intent) {
    // By this point, we're ready to return to the main system...
    if (send_intent != NULL) {
        FILE *fp = fopen_path(INTENT_FILE, "w");
        if (fp == NULL) {
            LOGE("Can't open %s\n", INTENT_FILE);
        } else {
            fputs(send_intent, fp);
            check_and_fclose(fp, INTENT_FILE);
        }
    }

    // Copy logs to cache so the system can find out what happened.
    copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true);
    copy_log_file(TEMPORARY_LOG_FILE, LAST_LOG_FILE, false);
    copy_log_file(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE, false);
    chmod(LOG_FILE, 0600);
    chown(LOG_FILE, 1000, 1000);   // system user
    chmod(LAST_LOG_FILE, 0640);
    chmod(LAST_INSTALL_FILE, 0644);

    // Reset to mormal system boot so recovery won't cycle indefinitely.
    struct bootloader_message boot;
    memset(&boot, 0, sizeof(boot));
    set_bootloader_message(&boot);

    // Remove the command file, so recovery won't repeat indefinitely.
    if (ensure_path_mounted(COMMAND_FILE) != 0 ||
        (unlink(COMMAND_FILE) && errno != ENOENT)) {
        LOGW("Can't unlink %s\n", COMMAND_FILE);
    }

    ensure_path_unmounted(CACHE_ROOT);
    sync();  // For good measure.
}
static int
update_directory(const char* path, const char* unmount_when_done,
                 int* wipe_cache, Device* device) {
    ensure_path_mounted(path);

    const char* MENU_HEADERS[] = { "Choose a package to install:",
                                   path,
                                   "",
                                   NULL };
    DIR* d;
    struct dirent* de;
    d = opendir(path);
    if (d == NULL) {
        LOGE("error opening %s: %s\n", path, strerror(errno));
        if (unmount_when_done != NULL) {
            ensure_path_unmounted(unmount_when_done);
        }
        return 0;
    }

    const char** headers = prepend_title(MENU_HEADERS);

    int d_size = 0;
    int d_alloc = 10;
    char** dirs = (char**)malloc(d_alloc * sizeof(char*));
    int z_size = 1;
    int z_alloc = 10;
    char** zips = (char**)malloc(z_alloc * sizeof(char*));
    zips[0] = strdup("../");

    while ((de = readdir(d)) != NULL) {
        int name_len = strlen(de->d_name);

        if (de->d_type == DT_DIR) {
            // skip "." and ".." entries
            if (name_len == 1 && de->d_name[0] == '.') continue;
            if (name_len == 2 && de->d_name[0] == '.' &&
                de->d_name[1] == '.') continue;

            if (d_size >= d_alloc) {
                d_alloc *= 2;
                dirs = (char**)realloc(dirs, d_alloc * sizeof(char*));
            }
            dirs[d_size] = (char*)malloc(name_len + 2);
            strcpy(dirs[d_size], de->d_name);
            dirs[d_size][name_len] = '/';
            dirs[d_size][name_len+1] = '\0';
            ++d_size;
        } else if (de->d_type == DT_REG &&
                   name_len >= 4 &&
                   strncasecmp(de->d_name + (name_len-4), ".zip", 4) == 0) {
            if (z_size >= z_alloc) {
                z_alloc *= 2;
                zips = (char**)realloc(zips, z_alloc * sizeof(char*));
            }
            zips[z_size++] = strdup(de->d_name);
        }
    }
    closedir(d);

    qsort(dirs, d_size, sizeof(char*), compare_string);
    qsort(zips, z_size, sizeof(char*), compare_string);

    // append dirs to the zips list
    if (d_size + z_size + 1 > z_alloc) {
        z_alloc = d_size + z_size + 1;
        zips = (char**)realloc(zips, z_alloc * sizeof(char*));
    }
    memcpy(zips + z_size, dirs, d_size * sizeof(char*));
    free(dirs);
    z_size += d_size;
    zips[z_size] = NULL;

    int result;
    int chosen_item = 0;
    do {
        chosen_item = get_menu_selection(headers, zips, 1, chosen_item, device);

        char* item = zips[chosen_item];
        int item_len = strlen(item);
        if (chosen_item == 0) {          // item 0 is always "../"
            // go up but continue browsing (if the caller is update_directory)
            result = -1;
            break;
        } else if (item[item_len-1] == '/') {
            // recurse down into a subdirectory
            char new_path[PATH_MAX];
            strlcpy(new_path, path, PATH_MAX);
            strlcat(new_path, "/", PATH_MAX);
            strlcat(new_path, item, PATH_MAX);
            new_path[strlen(new_path)-1] = '\0';  // truncate the trailing '/'
            result = update_directory(new_path, unmount_when_done, wipe_cache, device);
            if (result >= 0) break;
        } else {
            // selected a zip file:  attempt to install it, and return
            // the status to the caller.
            char new_path[PATH_MAX];
            strlcpy(new_path, path, PATH_MAX);
            strlcat(new_path, "/", PATH_MAX);
            strlcat(new_path, item, PATH_MAX);

            ui->Print("\n-- Install %s ...\n", path);
            set_sdcard_update_bootloader_message();
            char* copy = copy_sideloaded_package(new_path);
            if (unmount_when_done != NULL) {
                ensure_path_unmounted(unmount_when_done);
            }
            if (copy) {
                result = install_package(copy, wipe_cache, TEMPORARY_INSTALL_FILE);
                free(copy);
            } else {
                result = INSTALL_ERROR;
            }
            break;
        }
    } while (true);

    int i;
    for (i = 0; i < z_size; ++i) free(zips[i]);
    free(zips);
    free(headers);

    if (unmount_when_done != NULL) {
        ensure_path_unmounted(unmount_when_done);
    }
    return result;
}
static int
erase_volume(const char *volume) {
    bool is_cache = (strcmp(volume, CACHE_ROOT) == 0);

    ui->SetBackground(RecoveryUI::ERASING);
    ui->SetProgressType(RecoveryUI::INDETERMINATE);

    saved_log_file* head = NULL;

    if (is_cache) {
        // If we're reformatting /cache, we load any
        // "/cache/recovery/last*" files into memory, so we can restore
        // them after the reformat.

        ensure_path_mounted(volume);

        DIR* d;
        struct dirent* de;
        d = opendir(CACHE_LOG_DIR);
        if (d) {
            char path[PATH_MAX];
            strcpy(path, CACHE_LOG_DIR);
            strcat(path, "/");
            int path_len = strlen(path);
            while ((de = readdir(d)) != NULL) {
                if (strncmp(de->d_name, "last", 4) == 0) {
                    saved_log_file* p = (saved_log_file*) malloc(sizeof(saved_log_file));
                    strcpy(path+path_len, de->d_name);
                    p->name = strdup(path);
                    if (stat(path, &(p->st)) == 0) {
                        // truncate files to 512kb
                        if (p->st.st_size > (1 << 19)) {
                            p->st.st_size = 1 << 19;
                        }
                        p->data = (unsigned char*) malloc(p->st.st_size);
                        FILE* f = fopen(path, "rb");
                        fread(p->data, 1, p->st.st_size, f);
                        fclose(f);
                        p->next = head;
                        head = p;
                    } else {
                        free(p);
                    }
                }
            }
            closedir(d);
        } else {
            if (errno != ENOENT) {
                printf("opendir failed: %s\n", strerror(errno));
            }
        }
    }

    ui->Print("Formatting %s...\n", volume);

    ensure_path_unmounted(volume);
    int result = format_volume(volume);

    if (is_cache) {
        while (head) {
            FILE* f = fopen_path(head->name, "wb");
            if (f) {
                fwrite(head->data, 1, head->st.st_size, f);
                fclose(f);
                chmod(head->name, head->st.st_mode);
                chown(head->name, head->st.st_uid, head->st.st_gid);
            }
            free(head->name);
            free(head->data);
            saved_log_file* temp = head->next;
            free(head);
            head = temp;
        }

        // Any part of the log we'd copied to cache is now gone.
        // Reset the pointer so we copy from the beginning of the temp
        // log.
        tmplog_offset = 0;
        copy_logs();
    }

    return result;
}
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);
}
int format_unknown_device(const char *device, const char* path, const char *fs_type)
{
    LOGI("Formatting unknown device.\n");

    if (fs_type != NULL && get_flash_type(fs_type) != UNSUPPORTED)
        return erase_raw_partition(fs_type, device);

    // if this is SDEXT:, don't worry about it if it does not exist.
    if (0 == strcmp(path, "/sd-ext"))
    {
        struct stat st;
        Volume *vol = volume_for_path("/sd-ext");
        if (vol == NULL || 0 != stat(vol->device, &st))
        {
            ui_print("No app2sd partition found. Skipping format of /sd-ext.\n");
            return 0;
        }
    }

    if (NULL != fs_type) {
        if (strcmp("ext3", fs_type) == 0) {
            LOGI("Formatting ext3 device.\n");
            if (0 != ensure_path_unmounted(path)) {
                LOGE("Error while unmounting %s.\n", path);
                return -12;
            }
            return format_ext3_device(device);
        }

        if (strcmp("ext2", fs_type) == 0) {
            LOGI("Formatting ext2 device.\n");
            if (0 != ensure_path_unmounted(path)) {
                LOGE("Error while unmounting %s.\n", path);
                return -12;
            }
            return format_ext2_device(device);
        }
    }

    if (0 != ensure_path_mounted(path))
    {
        ui_print("Error mounting %s!\n", path);
        ui_print("Skipping format...\n");
        return 0;
    }

    static char tmp[PATH_MAX];
    if (strcmp(path, "/data") == 0) {
        sprintf(tmp, "cd /data ; for f in $(ls -a | grep -v ^media$); do rm -rf $f; done");
        __system(tmp);
        // if the /data/media sdcard has already been migrated for android 4.2,
        // prevent the migration from happening again by writing the .layout_version
        struct stat st;
        if (0 == lstat("/data/media/0", &st)) {
            char* layout_version = "2";
            FILE* f = fopen("/data/.layout_version", "wb");
            if (NULL != f) {
                fwrite(layout_version, 1, 2, f);
                fclose(f);
            }
            else {
                LOGI("error opening /data/.layout_version for write.\n");
            }
        }
        else {
            LOGI("/data/media/0 not found. migration may occur.\n");
        }
    }
    else {
        sprintf(tmp, "rm -rf %s/*", path);
        __system(tmp);
        sprintf(tmp, "rm -rf %s/.*", path);
        __system(tmp);
    }

    ensure_path_unmounted(path);
    return 0;
}
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);
}