/
extendedcommands.c
2432 lines (2111 loc) · 75.7 KB
/
extendedcommands.c
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/*
* Copyright (C) 2014 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <libgen.h>
#include <limits.h>
#include <linux/input.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/limits.h>
#include <sys/reboot.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include "adb_install.h"
#include "bmlutils/bmlutils.h"
#include "bootloader.h"
#include "common.h"
#include "cutils/android_reboot.h"
#include "cutils/properties.h"
#include "edify/expr.h"
#include "extendedcommands.h"
#include "firmware.h"
#include "flashutils/flashutils.h"
#include "install.h"
#include "make_ext4fs.h"
#include "minui/minui.h"
#include "minzip/DirUtil.h"
#include "mmcutils/mmcutils.h"
#include "mounts.h"
#include "mtdutils/mtdutils.h"
#include "nandroid.h"
#include "recovery_settings.h"
#include "recovery_ui.h"
#include "roots.h"
#include "voldclient/voldclient.h"
#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */
// top fixed menu items, those before extra storage volumes
#define FIXED_TOP_INSTALL_ZIP_MENUS 1
// bottom fixed menu items, those after extra storage volumes
#define FIXED_BOTTOM_INSTALL_ZIP_MENUS 3
#define FIXED_INSTALL_ZIP_MENUS (FIXED_TOP_INSTALL_ZIP_MENUS + FIXED_BOTTOM_INSTALL_ZIP_MENUS)
// number of actions added for each volume by add_nandroid_options_for_volume()
// these go on top of menu list
#define NANDROID_ACTIONS_NUM 3
// number of fixed bottom entries after volume actions
#define NANDROID_FIXED_ENTRIES 4
#if defined(ENABLE_LOKI) && defined(BOARD_NATIVE_DUALBOOT_SINGLEDATA)
#define FIXED_ADVANCED_ENTRIES 10
#elif !defined(ENABLE_LOKI) && defined(BOARD_NATIVE_DUALBOOT_SINGLEDATA)
#define FIXED_ADVANCED_ENTRIES 9
#elif defined(ENABLE_LOKI) && !defined(BOARD_NATIVE_DUALBOOT_SINGLEDATA)
#define FIXED_ADVANCED_ENTRIES 8
#else
#define FIXED_ADVANCED_ENTRIES 7
#endif
extern struct selabel_handle *sehandle;
int signature_check_enabled = 1;
int md5_check_enabled = 1;
typedef struct {
char mount[255];
char unmount[255];
char path[PATH_MAX];
} MountMenuEntry;
typedef struct {
char txt[255];
char path[PATH_MAX];
char type[255];
} FormatMenuEntry;
typedef struct {
char *name;
int can_mount;
int can_format;
} MFMatrix;
// Prototypes of private functions that are used before defined
static void show_choose_zip_menu(const char *mount_point);
static void format_sdcard(const char* volume);
static int can_partition(const char* volume);
static int is_path_mounted(const char* path);
static int get_filtered_menu_selection(const char** headers, char** items, int menu_only, int initial_selection, int items_count) {
int index;
int offset = 0;
int* translate_table = (int*)malloc(sizeof(int) * items_count);
char* items_new[items_count];
for (index = 0; index < items_count; index++) {
items_new[index] = items[index];
}
for (index = 0; index < items_count; index++) {
if (items_new[index] == NULL)
continue;
char *item = items_new[index];
items_new[index] = NULL;
items_new[offset] = item;
translate_table[offset] = index;
offset++;
}
items_new[offset] = NULL;
initial_selection = translate_table[initial_selection];
int ret = get_menu_selection(headers, items_new, menu_only, initial_selection);
if (ret < 0 || ret >= offset) {
free(translate_table);
return ret;
}
ret = translate_table[ret];
free(translate_table);
return ret;
}
int write_string_to_file(const char* filename, const char* string) {
ensure_path_mounted(filename);
char tmp[PATH_MAX];
int ret = -1;
sprintf(tmp, "mkdir -p $(dirname %s)", filename);
__system(tmp);
FILE *file = fopen(filename, "w");
if (file != NULL) {
ret = fprintf(file, "%s", string);
fclose(file);
} else
LOGE("Cannot write to %s\n", filename);
return ret;
}
void write_recovery_version() {
char path[PATH_MAX];
sprintf(path, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), RECOVERY_VERSION_FILE);
write_string_to_file(path, EXPAND(RECOVERY_VERSION) "\n" EXPAND(TARGET_DEVICE));
// force unmount /data for /data/media devices as we call this on recovery exit
preserve_data_media(0);
ensure_path_unmounted(path);
preserve_data_media(1);
}
static void write_last_install_path(const char* install_path) {
char path[PATH_MAX];
sprintf(path, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), RECOVERY_LAST_INSTALL_FILE);
write_string_to_file(path, install_path);
}
static char* read_last_install_path() {
static char path[PATH_MAX];
sprintf(path, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), RECOVERY_LAST_INSTALL_FILE);
ensure_path_mounted(path);
FILE *f = fopen(path, "r");
if (f != NULL) {
fgets(path, PATH_MAX, f);
fclose(f);
return path;
}
return NULL;
}
static void toggle_signature_check() {
signature_check_enabled = !signature_check_enabled;
ui_print("Signature Check: %s\n", signature_check_enabled ? "Enabled" : "Disabled");
}
//=========================================/
//= Toggle md5 verification, original work=/
//= of carliv@xda =/
//=========================================/
static void toggle_md5_check() {
md5_check_enabled = !md5_check_enabled;
ui_print("md5 Check: %s\n", md5_check_enabled ? "Enabled" : "Disabled");
}
#ifdef ENABLE_LOKI
int loki_support_enabled = 1;
void toggle_loki_support() {
loki_support_enabled = !loki_support_enabled;
ui_print("Loki Support: %s\n", loki_support_enabled ? "Enabled" : "Disabled");
}
#endif
//=========================================/
//= Power menu inspired from =/
//= Cannibal Open Touch Recovery =/
//= reworked and improved by carliv =/
//=========================================/
#define POWER_ITEM_RECOVERY 0
#define POWER_ITEM_BOOTLOADER 1
#define POWER_ITEM_POWEROFF 2
void show_power_menu() {
const char* headers[] = { "Power Options",
"",
NULL
};
char* power_items[4];
power_items[0] = "Reboot Recovery";
char bootloader_mode[PROPERTY_VALUE_MAX];
property_get("ro.bootloader.mode", bootloader_mode, "");
if (!strcmp(bootloader_mode, "download")) {
power_items[1] = "Reboot to Download";
} else {
power_items[1] = "Reboot to Bootloader";
}
power_items[2] = "Power Off";
power_items[3] = NULL;
for (;;) {
int chosen_item = get_menu_selection(headers, power_items, 0, 0);
if (chosen_item == GO_BACK)
break;
switch (chosen_item) {
case POWER_ITEM_RECOVERY:
{
ui_print("Rebooting recovery...\n");
reboot_main_system(ANDROID_RB_RESTART2, 0, "recovery");
break;
}
case POWER_ITEM_BOOTLOADER:
{
if (!strcmp(bootloader_mode, "download")) {
ui_print("Rebooting to download mode...\n");
#ifdef BOARD_HAS_MTK
reboot_main_system(ANDROID_RB_POWEROFF, 0, 0);
#else
reboot_main_system(ANDROID_RB_RESTART2, 0, "download");
#endif
} else {
ui_print("Rebooting to bootloader...\n");
reboot_main_system(ANDROID_RB_RESTART2, 0, "bootloader");
}
break;
}
case POWER_ITEM_POWEROFF:
{
ui_print("Shutting down...\n");
reboot_main_system(ANDROID_RB_POWEROFF, 0, 0);
break;
}
}
}
}
int install_zip(const char* packagefilepath) {
ui_print("\n-- Installing: %s\n", packagefilepath);
if (device_flash_type() == MTD) {
set_sdcard_update_bootloader_message();
}
int status = install_package(packagefilepath);
ui_reset_progress();
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
return 1;
}
#ifdef ENABLE_LOKI
if (loki_support_enabled) {
ui_print("Checking if loki-fying is needed\n");
status = loki_check();
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
return 1;
}
}
#endif
ui_set_background(BACKGROUND_ICON_CLOCKWORK);
ui_print("\nInstall from sdcard complete.\n");
return 0;
}
int show_install_update_menu() {
char buf[100];
int i = 0, chosen_item = 0;
static char* install_menu_items[MAX_NUM_MANAGED_VOLUMES + FIXED_INSTALL_ZIP_MENUS + 1];
char* primary_path = get_primary_storage_path();
char** extra_paths = get_extra_storage_paths();
int num_extra_volumes = get_num_extra_volumes();
memset(install_menu_items, 0, MAX_NUM_MANAGED_VOLUMES + FIXED_INSTALL_ZIP_MENUS + 1);
static const char* headers[] = { "Install update from zip file", "", NULL };
// FIXED_TOP_INSTALL_ZIP_MENUS
sprintf(buf, "choose zip from %s", primary_path);
install_menu_items[0] = strdup(buf);
// extra storage volumes (vold managed)
for (i = 0; i < num_extra_volumes; i++) {
sprintf(buf, "choose zip from %s", extra_paths[i]);
install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + i] = strdup(buf);
}
// FIXED_BOTTOM_INSTALL_ZIP_MENUS
install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes] = "Install zip from last folder";
install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes + 1] = "Install zip from sideload";
install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes + 2] = "Toggle Signature Verification";
// extra NULL for GO_BACK
install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes + 3] = NULL;
for (;;) {
chosen_item = get_menu_selection(headers, install_menu_items, 0, 0);
if (chosen_item == 0) {
show_choose_zip_menu(primary_path);
} else if (chosen_item >= FIXED_TOP_INSTALL_ZIP_MENUS && chosen_item < FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes) {
show_choose_zip_menu(extra_paths[chosen_item - FIXED_TOP_INSTALL_ZIP_MENUS]);
} else if (chosen_item == FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes) {
char *last_path_used = read_last_install_path();
if (last_path_used == NULL)
show_choose_zip_menu(primary_path);
else
show_choose_zip_menu(last_path_used);
} else if (chosen_item == FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes + 1) {
apply_from_adb();
} else if (chosen_item == FIXED_TOP_INSTALL_ZIP_MENUS + num_extra_volumes + 2) {
toggle_signature_check();
} else {
// GO_BACK or REFRESH (chosen_item < 0)
goto out;
}
}
out:
free(install_menu_items[0]);
if (extra_paths != NULL) {
for (i = 0; i < num_extra_volumes; i++)
free(install_menu_items[FIXED_TOP_INSTALL_ZIP_MENUS + i]);
}
return chosen_item;
}
//=========================================/
//= Wipe menu original work =/
//= of carliv@xda =/
//=========================================/
#define WIPE_ALL_DATA 0
#define WIPE_CACHE 1
#define WIPE_DALVIK_CACHE 2
void show_wipe_menu()
{
const char* headers[] = { "Wipe Menu",
"",
NULL
};
char* wipe_items[] = { "Wipe Data - Factory Reset",
"Wipe Cache",
"Wipe Dalvik Cache",
NULL,
NULL
};
for (;;) {
int chosen_item = get_menu_selection(headers, wipe_items, 0, 0);
if (chosen_item == GO_BACK)
break;
switch (chosen_item) {
case WIPE_ALL_DATA:
wipe_data(ui_text_visible());
if (!ui_text_visible()) return;
break;
case WIPE_CACHE:
wipe_cache(ui_text_visible());
if (!ui_text_visible()) return;
break;
case WIPE_DALVIK_CACHE:
wipe_dalvik_cache(ui_text_visible());
if (!ui_text_visible()) return;
break;
}
}
}
void free_string_array(char** array) {
if (array == NULL)
return;
char* cursor = array[0];
int i = 0;
while (cursor != NULL) {
free(cursor);
cursor = array[++i];
}
free(array);
}
static char** gather_files(const char* directory, const char* fileExtensionOrDirectory, int* numFiles) {
char path[PATH_MAX] = "";
DIR *dir;
struct dirent *de;
int total = 0;
int i;
char** files = NULL;
int pass;
*numFiles = 0;
int dirLen = strlen(directory);
dir = opendir(directory);
if (dir == NULL) {
ui_print("Couldn't open directory.\n");
return NULL;
}
unsigned int extension_length = 0;
if (fileExtensionOrDirectory != NULL)
extension_length = strlen(fileExtensionOrDirectory);
int isCounting = 1;
i = 0;
for (pass = 0; pass < 2; pass++) {
while ((de = readdir(dir)) != NULL) {
// skip hidden files
if (de->d_name[0] == '.')
continue;
// NULL means that we are gathering directories, so skip this
if (fileExtensionOrDirectory != NULL) {
// make sure that we can have the desired extension (prevent seg fault)
if (strlen(de->d_name) < extension_length)
continue;
// compare the extension
if (strcmp(de->d_name + strlen(de->d_name) - extension_length, fileExtensionOrDirectory) != 0)
continue;
} else {
struct stat info;
char fullFileName[PATH_MAX];
strcpy(fullFileName, directory);
strcat(fullFileName, de->d_name);
lstat(fullFileName, &info);
// make sure it is a directory
if (!(S_ISDIR(info.st_mode)))
continue;
}
if (pass == 0) {
total++;
continue;
}
files[i] = (char*)malloc(dirLen + strlen(de->d_name) + 2);
strcpy(files[i], directory);
strcat(files[i], de->d_name);
if (fileExtensionOrDirectory == NULL)
strcat(files[i], "/");
i++;
}
if (pass == 1)
break;
if (total == 0)
break;
rewinddir(dir);
*numFiles = total;
files = (char**)malloc((total + 1) * sizeof(char*));
files[total] = NULL;
}
if (closedir(dir) < 0) {
LOGE("Failed to close directory.\n");
}
if (total == 0) {
return NULL;
}
// sort the result
if (files != NULL) {
for (i = 0; i < total; i++) {
int curMax = -1;
int j;
for (j = 0; j < total - i; j++) {
if (curMax == -1 || strcmp(files[curMax], files[j]) < 0)
curMax = j;
}
char* temp = files[curMax];
files[curMax] = files[total - i - 1];
files[total - i - 1] = temp;
}
}
return files;
}
// pass in NULL for fileExtensionOrDirectory and you will get a directory chooser
static char* choose_file_menu(const char* basedir, const char* fileExtensionOrDirectory, const char* headers[]) {
const char* fixed_headers[20];
int numFiles = 0;
int numDirs = 0;
int i;
char* return_value = NULL;
char directory[PATH_MAX];
int dir_len = strlen(basedir);
strcpy(directory, basedir);
// Append a trailing slash if necessary
if (directory[dir_len - 1] != '/') {
strcat(directory, "/");
dir_len++;
}
i = 0;
while (headers[i]) {
fixed_headers[i] = headers[i];
i++;
}
fixed_headers[i] = directory;
fixed_headers[i + 1] = "";
fixed_headers[i + 2] = NULL;
char** files = gather_files(directory, fileExtensionOrDirectory, &numFiles);
char** dirs = NULL;
if (fileExtensionOrDirectory != NULL)
dirs = gather_files(directory, NULL, &numDirs);
int total = numDirs + numFiles;
if (total == 0) {
ui_print("No files found.\n");
} else {
char** list = (char**)malloc((total + 1) * sizeof(char*));
list[total] = NULL;
for (i = 0; i < numDirs; i++) {
list[i] = strdup(dirs[i] + dir_len);
}
for (i = 0; i < numFiles; i++) {
list[numDirs + i] = strdup(files[i] + dir_len);
}
for (;;) {
int chosen_item = get_menu_selection(fixed_headers, list, 0, 0);
if (chosen_item == GO_BACK || chosen_item == REFRESH)
break;
if (chosen_item < numDirs) {
char* subret = choose_file_menu(dirs[chosen_item], fileExtensionOrDirectory, headers);
if (subret != NULL) {
return_value = strdup(subret);
free(subret);
break;
}
continue;
}
return_value = strdup(files[chosen_item - numDirs]);
break;
}
free_string_array(list);
}
free_string_array(files);
free_string_array(dirs);
return return_value;
}
static void show_choose_zip_menu(const char *mount_point) {
if (ensure_path_mounted(mount_point) != 0) {
LOGE("Can't mount %s\n", mount_point);
return;
}
static const char* headers[] = { "Choose a zip to apply", "", NULL };
char* file = choose_file_menu(mount_point, ".zip", headers);
if (file == NULL)
return;
char confirm[PATH_MAX];
sprintf(confirm, "Yes - Install %s", basename(file));
if (confirm_selection("Confirm install?", confirm)) {
install_zip(file);
write_last_install_path(dirname(file));
}
free(file);
}
static void show_nandroid_restore_menu(const char* path) {
if (ensure_path_mounted(path) != 0) {
LOGE("Can't mount %s\n", path);
return;
}
static const char* headers[] = { "Choose an image to restore", "", NULL };
char tmp[PATH_MAX];
sprintf(tmp, "%s/clockworkmod/backup/", path);
char* file = choose_file_menu(tmp, NULL, headers);
if (file == NULL)
return;
if (confirm_selection("Confirm restore?", "Yes - Restore")) {
unsigned char flags = NANDROID_BOOT | NANDROID_SYSTEM | NANDROID_DATA
| NANDROID_CACHE | NANDROID_SDEXT;
nandroid_restore(file, flags);
}
free(file);
}
//=========================================/
//= Nvram restore, original work =/
//= of carliv@xda =/
//=========================================/
static void show_nvram_restore_menu(const char* path) {
if (ensure_path_mounted(path) != 0) {
LOGE("Can't mount %s\n", path);
return;
}
static const char* headers[] = { "Choose nvram to restore", "", NULL };
char tmp[PATH_MAX];
sprintf(tmp, "%s/clockworkmod/backup/.nvram/", path);
char* file = choose_file_menu(tmp, NULL, headers);
if (file == NULL)
return;
if (confirm_selection("Confirm restore?", "Yes - Restore")) {
unsigned char flags = NANDROID_NVRAM;
nvram_restore(file, flags);
}
free(file);
}
static void show_nandroid_delete_menu(const char* path) {
if (ensure_path_mounted(path) != 0) {
LOGE("Can't mount %s\n", path);
return;
}
static const char* headers[] = { "Choose an image to delete", "", NULL };
char tmp[PATH_MAX];
sprintf(tmp, "%s/clockworkmod/backup/", path);
char* file = choose_file_menu(tmp, NULL, headers);
if (file == NULL)
return;
if (confirm_selection("Confirm delete?", "Yes - Delete")) {
sprintf(tmp, "rm -rf %s", file);
__system(tmp);
}
free(file);
}
static int control_usb_storage(bool on) {
int i = 0;
int num = 0;
for (i = 0; i < get_num_volumes(); i++) {
Volume *v = get_device_volumes() + i;
if (fs_mgr_is_voldmanaged(v) && vold_is_volume_available(v->mount_point)) {
if (on) {
vold_share_volume(v->mount_point);
} else {
vold_unshare_volume(v->mount_point, 1);
}
property_set("sys.storage.ums_enabled", on ? "1" : "0");
num++;
}
}
return num;
}
static void show_mount_usb_storage_menu() {
// Enable USB storage using vold
if (!control_usb_storage(true))
return;
static const char* headers[] = { "USB Mass Storage device",
"Leaving this menu unmounts",
"your SD card from your PC.",
"",
NULL
};
static char* list[] = { "Unmount", NULL };
for (;;) {
int chosen_item = get_menu_selection(headers, list, 0, 0);
if (chosen_item == GO_BACK || chosen_item == 0)
break;
}
// Disable USB storage
control_usb_storage(false);
}
int confirm_selection(const char* title, const char* confirm) {
struct stat info;
int ret = 0;
char path[PATH_MAX];
sprintf(path, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), RECOVERY_NO_CONFIRM_FILE);
ensure_path_mounted(path);
if (0 == stat(path, &info))
return 1;
#ifdef BOARD_NATIVE_DUALBOOT
char buf[PATH_MAX];
device_build_selection_title(buf, title);
title = (char*)&buf;
#endif
int many_confirm;
char* confirm_str = strdup(confirm);
const char* confirm_headers[] = { title, " THIS CAN NOT BE UNDONE.", "", NULL };
int old_val = ui_is_showing_back_button();
ui_set_showing_back_button(0);
sprintf(path, "%s%s%s", get_primary_storage_path(), (is_data_media() ? "/0/" : "/"), RECOVERY_MANY_CONFIRM_FILE);
ensure_path_mounted(path);
many_confirm = 0 == stat(path, &info);
if (many_confirm) {
char* items[] = { "No",
"No",
"No",
"No",
"No",
"No",
"No",
confirm_str, // Yes, [7]
"No",
"No",
"No",
NULL };
int chosen_item = get_menu_selection(confirm_headers, items, 0, 0);
ret = (chosen_item == 7);
} else {
char* items[] = { "No",
confirm_str, // Yes, [1]
NULL };
int chosen_item = get_menu_selection(confirm_headers, items, 0, 0);
ret = (chosen_item == 1);
}
free(confirm_str);
ui_set_showing_back_button(old_val);
return ret;
}
int format_device(const char *device, const char *path, const char *fs_type) {
#ifdef BOARD_NATIVE_DUALBOOT_SINGLEDATA
if(device_truedualboot_format_device(device, path, fs_type) <= 0)
return 0;
#endif
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);
}
Volume* v = volume_for_path(path);
if (v == NULL) {
// silent failure for sd-ext
if (strcmp(path, "/sd-ext") != 0)
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->blk_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;
}
int result = make_ext4fs(device, length, v->mount_point, sehandle);
if (result != 0) {
LOGE("format_volume: make_ext4fs failed on %s\n", device);
return -1;
}
return 0;
}
#ifdef USE_F2FS
if (strcmp(fs_type, "f2fs") == 0) {
char* args[] = { "mkfs.f2fs", v->blk_device };
if (make_f2fs_main(2, args) != 0) {
LOGE("format_volume: mkfs.f2fs failed on %s\n", v->blk_device);
return -1;
}
return 0;
}
#endif
return format_unknown_device(device, path, fs_type);
}
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->blk_device, &st)) {
LOGI("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;
}
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;
}
static MFMatrix get_mnt_fmt_capabilities(char *fs_type, char *mount_point) {
MFMatrix mfm = { mount_point, 1, 1 };
const int NUM_FS_TYPES = 6;
MFMatrix *fs_matrix = malloc(NUM_FS_TYPES * sizeof(MFMatrix));
// Defined capabilities: fs_type mnt fmt
fs_matrix[0] = (MFMatrix){ "bml", 0, 1 };
fs_matrix[1] = (MFMatrix){ "datamedia", 0, 1 };
fs_matrix[2] = (MFMatrix){ "emmc", 0, 1 };
fs_matrix[3] = (MFMatrix){ "mtd", 0, 0 };
fs_matrix[4] = (MFMatrix){ "ramdisk", 0, 0 };
fs_matrix[5] = (MFMatrix){ "swap", 0, 0 };
const int NUM_MNT_PNTS = 9;
MFMatrix *mp_matrix = malloc(NUM_MNT_PNTS * sizeof(MFMatrix));
// Defined capabilities: mount_point mnt fmt
mp_matrix[0] = (MFMatrix){ "/misc", 0, 0 };
mp_matrix[1] = (MFMatrix){ "/radio", 0, 0 };
mp_matrix[2] = (MFMatrix){ "/boot", 0, 0 };
mp_matrix[3] = (MFMatrix){ "/bootloader", 0, 0 };
mp_matrix[4] = (MFMatrix){ "/nvram", 0, 0 };
mp_matrix[5] = (MFMatrix){ "/recovery", 0, 0 };
mp_matrix[6] = (MFMatrix){ "/uboot", 0, 0 };
mp_matrix[7] = (MFMatrix){ "/efs", 0, 0 };
mp_matrix[8] = (MFMatrix){ "/wimax", 0, 0 };
int i;
for (i = 0; i < NUM_FS_TYPES; i++) {
if (strcmp(fs_type, fs_matrix[i].name) == 0) {
mfm.can_mount = fs_matrix[i].can_mount;
mfm.can_format = fs_matrix[i].can_format;
}
}
for (i = 0; i < NUM_MNT_PNTS; i++) {
if (strcmp(mount_point, mp_matrix[i].name) == 0) {
mfm.can_mount = mp_matrix[i].can_mount;
mfm.can_format = mp_matrix[i].can_format;
}
}
free(fs_matrix);
free(mp_matrix);
// User-defined capabilities
char *custom_mp;
char custom_forbidden_mount[PROPERTY_VALUE_MAX];
char custom_forbidden_format[PROPERTY_VALUE_MAX];
property_get("ro.cwm.forbid_mount", custom_forbidden_mount, "");
property_get("ro.cwm.forbid_format", custom_forbidden_format, "");