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backstore.c
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backstore.c
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/*
* Copyright (C) 2011 The Android Open Source 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include <time.h>
#include <sys/vfs.h>
#include <sys/mount.h>
#include "tw_reboot.h"
#include "backstore.h"
#include "ddftw.h"
#include "extra-functions.h"
#include "roots.h"
#include "format.h"
#include "data.h"
int getWordFromString(int word, const char* string, char* buffer, int bufferLen)
{
char* start = NULL;
do
{
// Ignore leading whitespace
while (*string > 0 && *string < 33) ++string;
start = (char*) string;
while (*string > 32) ++string;
} while (--word > 0);
// Handle word not found
if (*start == '\0')
{
buffer[0] = '\0';
return 0;
}
memset(buffer, 0, bufferLen);
if ((string - start) > bufferLen)
memcpy(buffer, start, bufferLen-1);
else
memcpy(buffer, start, string - start);
return (string - start);
}
void SetDataState(char* operation, char* partition, int errorCode, int done)
{
DataManager_SetStrValue("tw_operation", operation);
DataManager_SetStrValue("tw_partition", partition);
DataManager_SetIntValue("tw_operation_status", errorCode);
DataManager_SetIntValue("tw_operation_state", done);
}
void
nandroid_menu()
{
// define constants for menu selection
#define ITEM_BACKUP_MENU 0
#define ITEM_RESTORE_MENU 1
#define ITEM_MENU_RBOOT 2
#define ITEM_MENU_BACK 3
// build headers and items in menu
char* nan_headers[] = { "Nandroid Menu",
"Choose Backup or Restore:",
NULL };
char* nan_items[] = { "Backup Partitions",
"Restore Partitions",
"--> Reboot System",
"<-- Back To Main Menu",
NULL };
char** headers = prepend_title((const char**) nan_headers);
int chosen_item;
inc_menu_loc(ITEM_MENU_BACK); // record back selection into array
for (;;) {
ui_set_background(BACKGROUND_ICON_NANDROID);
chosen_item = get_menu_selection(headers, nan_items, 0, 0);
switch (chosen_item) {
case ITEM_BACKUP_MENU:
nan_backup_menu(0);
break;
case ITEM_RESTORE_MENU:
choose_backup_folder();
break;
case ITEM_MENU_RBOOT:
tw_reboot(rb_system);
break;
case ITEM_MENU_BACK:
dec_menu_loc();
ui_set_background(BACKGROUND_ICON_MAIN);
return;
}
if (go_home) { // if home was called
dec_menu_loc();
ui_set_background(BACKGROUND_ICON_MAIN);
return;
}
}
}
#define ITEM_NAN_BACKUP 0
#define ITEM_NAN_SYSTEM 1
#define ITEM_NAN_DATA 2
#define ITEM_NAN_BOOT 3
#define ITEM_NAN_RECOVERY 4
#define ITEM_NAN_CACHE 5
#define ITEM_NAN_SP1 6
#define ITEM_NAN_SP2 7
#define ITEM_NAN_SP3 8
#define ITEM_NAN_ANDSEC 9
#define ITEM_NAN_SDEXT 10
#define ITEM_NAN_COMPRESS 11
#define ITEM_NAN_BACK 12
char* nan_compress()
{
char* tmp_set = (char*)malloc(40);
strcpy(tmp_set, "[ ] Compress Backup (slow but saves space)");
if (DataManager_GetIntValue(TW_USE_COMPRESSION_VAR) == 1) {
tmp_set[1] = 'x';
}
return tmp_set;
}
void
nan_backup_menu(int pIdx)
{
char* nan_b_headers[] = { "Nandroid Backup",
"Choose Backup Options:",
NULL };
char* nan_b_items[] = { "--> Backup Naowz!",
nan_img_set(ITEM_NAN_SYSTEM,0),
nan_img_set(ITEM_NAN_DATA,0),
nan_img_set(ITEM_NAN_BOOT,0),
nan_img_set(ITEM_NAN_RECOVERY,0),
nan_img_set(ITEM_NAN_CACHE,0),
nan_img_set(ITEM_NAN_SP1,0),
nan_img_set(ITEM_NAN_SP2,0),
nan_img_set(ITEM_NAN_SP3,0),
nan_img_set(ITEM_NAN_ANDSEC,0),
nan_img_set(ITEM_NAN_SDEXT,0),
nan_compress(),
"<-- Back To Nandroid Menu",
NULL };
char** headers = prepend_title((const char**) nan_b_headers);
inc_menu_loc(ITEM_NAN_BACK);
for (;;) {
int chosen_item = get_menu_selection(headers, nan_b_items, 0, pIdx); // get key presses
pIdx = chosen_item; // remember last selection location
int tw_total = 0;
tw_total += (DataManager_GetIntValue(TW_BACKUP_SYSTEM_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_DATA_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_CACHE_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_RECOVERY_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP1_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP2_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP3_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_BOOT_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_ANDSEC_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SDEXT_VAR) == 1 ? 1 : 0);
switch (chosen_item) {
case ITEM_NAN_BACKUP:
if (tw_total > 0) {
nandroid_back_exe();
dec_menu_loc();
return;
}
break;
case ITEM_NAN_SYSTEM:
if (DataManager_GetIntValue(TW_BACKUP_SYSTEM_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_SYSTEM_VAR);
break;
case ITEM_NAN_DATA:
if (DataManager_GetIntValue(TW_BACKUP_DATA_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_DATA_VAR);
break;
case ITEM_NAN_BOOT:
if (DataManager_GetIntValue(TW_BACKUP_BOOT_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_BOOT_VAR);
break;
case ITEM_NAN_RECOVERY:
if (DataManager_GetIntValue(TW_BACKUP_RECOVERY_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_RECOVERY_VAR);
break;
case ITEM_NAN_CACHE:
if (DataManager_GetIntValue(TW_BACKUP_CACHE_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_CACHE_VAR);
break;
case ITEM_NAN_SP1:
if (DataManager_GetIntValue(TW_BACKUP_SP1_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_SP1_VAR);
break;
case ITEM_NAN_SP2:
if (DataManager_GetIntValue(TW_BACKUP_SP2_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_SP2_VAR);
break;
case ITEM_NAN_SP3:
if (DataManager_GetIntValue(TW_BACKUP_SP3_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_SP3_VAR);
break;
case ITEM_NAN_ANDSEC:
if (DataManager_GetIntValue(TW_BACKUP_ANDSEC_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_ANDSEC_VAR);
break;
case ITEM_NAN_SDEXT:
if (DataManager_GetIntValue(TW_BACKUP_SDEXT_VAR) >= 0)
DataManager_ToggleIntValue(TW_BACKUP_SDEXT_VAR);
break;
case ITEM_NAN_COMPRESS:
DataManager_ToggleIntValue(TW_USE_COMPRESSION_VAR);
break;
case ITEM_NAN_BACK:
dec_menu_loc();
return;
}
if (go_home) {
dec_menu_loc();
return;
}
break;
}
ui_end_menu(); // end menu
dec_menu_loc(); // decrease menu location
nan_backup_menu(pIdx); // restart menu (to refresh it)
}
void
set_restore_files()
{
const char* nan_dir = DataManager_GetStrValue("tw_restore");
// Start with the default values
int tw_restore_system = -1;
int tw_restore_data = -1;
int tw_restore_cache = -1;
int tw_restore_recovery = -1;
int tw_restore_boot = -1;
int tw_restore_andsec = -1;
int tw_restore_sdext = -1;
int tw_restore_sp1 = -1;
int tw_restore_sp2 = -1;
int tw_restore_sp3 = -1;
DIR* d;
d = opendir(nan_dir);
if (d == NULL)
{
LOGE("error opening %s\n", nan_dir);
return;
}
struct dirent* de;
while ((de = readdir(d)) != NULL)
{
// Strip off three components
char str[256];
char* label;
char* fstype = NULL;
char* extn = NULL;
char* ptr;
struct dInfo* dev = NULL;
strcpy(str, de->d_name);
label = str;
ptr = label;
while (*ptr && *ptr != '.') ptr++;
if (*ptr == '.')
{
*ptr = 0x00;
ptr++;
fstype = ptr;
}
while (*ptr && *ptr != '.') ptr++;
if (*ptr == '.')
{
*ptr = 0x00;
ptr++;
extn = ptr;
}
if (extn == NULL || strcmp(extn, "win") != 0) continue;
dev = findDeviceByLabel(label);
if (dev == NULL)
{
LOGE(" Unable to locate device by label\n");
continue;
}
strncpy(dev->fnm, de->d_name, 256);
dev->fnm[255] = '\0';
// Now, we just need to find the correct label
if (dev == &sys) tw_restore_system = 1;
if (dev == &dat) tw_restore_data = 1;
if (dev == &boo) tw_restore_boot = 1;
if (dev == &rec) tw_restore_recovery = 1;
if (dev == &cac) tw_restore_cache = 1;
if (dev == &sde) tw_restore_sdext = 1;
if (dev == &sp1) tw_restore_sp1 = 1;
if (dev == &sp2) tw_restore_sp2 = 1;
if (dev == &sp3) tw_restore_sp3 = 1;
if (dev == &ase) tw_restore_andsec = 1;
}
closedir(d);
// Set the final values
DataManager_SetIntValue(TW_RESTORE_SYSTEM_VAR, tw_restore_system);
DataManager_SetIntValue(TW_RESTORE_DATA_VAR, tw_restore_data);
DataManager_SetIntValue(TW_RESTORE_CACHE_VAR, tw_restore_cache);
DataManager_SetIntValue(TW_RESTORE_RECOVERY_VAR, tw_restore_recovery);
DataManager_SetIntValue(TW_RESTORE_BOOT_VAR, tw_restore_boot);
DataManager_SetIntValue(TW_RESTORE_ANDSEC_VAR, tw_restore_andsec);
DataManager_SetIntValue(TW_RESTORE_SDEXT_VAR, tw_restore_sdext);
DataManager_SetIntValue(TW_RESTORE_SP1_VAR, tw_restore_sp1);
DataManager_SetIntValue(TW_RESTORE_SP2_VAR, tw_restore_sp2);
DataManager_SetIntValue(TW_RESTORE_SP3_VAR, tw_restore_sp3);
return;
}
void
nan_restore_menu(int pIdx)
{
char* nan_r_headers[] = { "Nandroid Restore",
"Choose Restore Options:",
NULL };
char* nan_r_items[] = { "--> Restore Naowz!",
nan_img_set(ITEM_NAN_SYSTEM,1),
nan_img_set(ITEM_NAN_DATA,1),
nan_img_set(ITEM_NAN_BOOT,1),
nan_img_set(ITEM_NAN_RECOVERY,1),
nan_img_set(ITEM_NAN_CACHE,1),
nan_img_set(ITEM_NAN_SP1,1),
nan_img_set(ITEM_NAN_SP2,1),
nan_img_set(ITEM_NAN_SP3,1),
nan_img_set(ITEM_NAN_ANDSEC,1),
nan_img_set(ITEM_NAN_SDEXT,1),
"<-- Back To Nandroid Menu",
NULL };
char** headers = prepend_title((const char**) nan_r_headers);
inc_menu_loc(ITEM_NAN_BACK);
for (;;) {
int chosen_item = get_menu_selection(headers, nan_r_items, 0, pIdx);
pIdx = chosen_item; // remember last selection location
int tw_total = 0;
tw_total += (DataManager_GetIntValue(TW_BACKUP_SYSTEM_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_DATA_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_CACHE_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_RECOVERY_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP1_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP2_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SP3_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_BOOT_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_ANDSEC_VAR) == 1 ? 1 : 0);
tw_total += (DataManager_GetIntValue(TW_BACKUP_SDEXT_VAR) == 1 ? 1 : 0);
switch (chosen_item)
{
case ITEM_NAN_BACKUP:
if (tw_total > 0) {
nandroid_rest_exe();
dec_menu_loc();
return;
}
break;
case ITEM_NAN_SYSTEM:
if (DataManager_GetIntValue(TW_RESTORE_SYSTEM_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_SYSTEM_VAR);
break;
case ITEM_NAN_DATA:
if (DataManager_GetIntValue(TW_RESTORE_DATA_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_DATA_VAR);
break;
case ITEM_NAN_BOOT:
if (DataManager_GetIntValue(TW_RESTORE_BOOT_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_BOOT_VAR);
break;
case ITEM_NAN_RECOVERY:
if (DataManager_GetIntValue(TW_RESTORE_RECOVERY_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_RECOVERY_VAR);
break;
case ITEM_NAN_CACHE:
if (DataManager_GetIntValue(TW_RESTORE_CACHE_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_CACHE_VAR);
break;
case ITEM_NAN_SP1:
if (DataManager_GetIntValue(TW_RESTORE_SP1_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_SP1_VAR);
break;
case ITEM_NAN_SP2:
if (DataManager_GetIntValue(TW_RESTORE_SP2_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_SP2_VAR);
break;
case ITEM_NAN_SP3:
if (DataManager_GetIntValue(TW_RESTORE_SP3_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_SP3_VAR);
break;
case ITEM_NAN_ANDSEC:
if (DataManager_GetIntValue(TW_RESTORE_ANDSEC_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_ANDSEC_VAR);
break;
case ITEM_NAN_SDEXT:
if (DataManager_GetIntValue(TW_RESTORE_SDEXT_VAR) >= 0)
DataManager_ToggleIntValue(TW_RESTORE_SDEXT_VAR);
break;
case ITEM_NAN_BACK - 1:
dec_menu_loc();
return;
}
if (go_home) {
dec_menu_loc();
return;
}
break;
}
ui_end_menu();
dec_menu_loc();
nan_restore_menu(pIdx);
}
char*
nan_img_set(int tw_setting, int tw_backstore)
{
ensure_path_mounted("/sdcard");
int isTrue = 0;
char* tmp_set = (char*)malloc(25);
struct stat st;
switch (tw_setting) {
case ITEM_NAN_SYSTEM:
strcpy(tmp_set, "[ ] system");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_SYSTEM_VAR);
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_SYSTEM_VAR);
}
break;
case ITEM_NAN_DATA:
strcpy(tmp_set, "[ ] data");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_DATA_VAR);
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_DATA_VAR);
}
break;
case ITEM_NAN_BOOT:
strcpy(tmp_set, "[ ] boot");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_BOOT_VAR);
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_BOOT_VAR);
}
break;
case ITEM_NAN_RECOVERY:
strcpy(tmp_set, "[ ] recovery");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_RECOVERY_VAR);
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_RECOVERY_VAR);
}
break;
case ITEM_NAN_CACHE:
strcpy(tmp_set, "[ ] cache");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_CACHE_VAR);
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_CACHE_VAR);
}
break;
case ITEM_NAN_SP1:
strcpy(tmp_set, "[ ] ");
strcat(tmp_set, sp1.mnt);
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_SP1_VAR);
} else {
if (strlen(sp1.mnt) > 0) {
isTrue = DataManager_GetIntValue(TW_BACKUP_SP1_VAR);
} else {
DataManager_SetIntValue(TW_RESTORE_SP1_VAR, -1);
isTrue = -1;
}
}
break;
case ITEM_NAN_SP2:
strcpy(tmp_set, "[ ] ");
strcat(tmp_set, sp2.mnt);
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_SP2_VAR);
} else {
if (strlen(sp2.mnt) > 0) {
isTrue = DataManager_GetIntValue(TW_BACKUP_SP2_VAR);
} else {
DataManager_SetIntValue(TW_RESTORE_SP2_VAR, -1);
isTrue = -1;
}
}
break;
case ITEM_NAN_SP3:
strcpy(tmp_set, "[ ] ");
strcat(tmp_set, sp3.mnt);
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_SP3_VAR);
} else {
if (strlen(sp3.mnt) > 0) {
isTrue = DataManager_GetIntValue(TW_BACKUP_SP3_VAR);
} else {
DataManager_SetIntValue(TW_RESTORE_SP3_VAR, -1);
isTrue = -1;
}
}
break;
case ITEM_NAN_ANDSEC:
strcpy(tmp_set, "[ ] .android_secure");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_ANDSEC_VAR);
} else {
if (stat(ase.dev,&st) != 0) {
DataManager_SetIntValue(TW_RESTORE_ANDSEC_VAR, -1);
isTrue = -1;
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_ANDSEC_VAR);
}
}
break;
case ITEM_NAN_SDEXT:
strcpy(tmp_set, "[ ] sd-ext");
if (tw_backstore) {
isTrue = DataManager_GetIntValue(TW_RESTORE_SDEXT_VAR);
} else {
if (stat(sde.blk,&st) != 0) {
DataManager_SetIntValue(TW_RESTORE_SDEXT_VAR, -1);
isTrue = -1;
} else {
isTrue = DataManager_GetIntValue(TW_BACKUP_SDEXT_VAR);
}
}
break;
}
if (isTrue == 1) {
tmp_set[1] = 'x';
}
if (isTrue == -1) {
tmp_set[0] = ' ';
tmp_set[1] = ' ';
tmp_set[2] = ' ';
}
return tmp_set;
}
int tw_isMounted(struct dInfo mMnt)
{
// Do not try to mount non-mountable partitions
if (!mMnt.mountable) return -1;
struct stat st1, st2;
char path[255];
sprintf(path, "/%s/.", mMnt.mnt);
if (stat(path, &st1) != 0) return -1;
sprintf(path, "/%s/../.", mMnt.mnt);
if (stat(path, &st2) != 0) return -1;
int ret = (st1.st_dev != st2.st_dev) ? 1 : 0;
return ret;
}
/* Made my own mount, because aosp api "ensure_path_mounted" relies on recovery.fstab
** and we needed one that can mount based on what the file system really is (from blkid),
** and not what's in fstab or recovery.fstab
*/
int tw_mount(struct dInfo mMnt)
{
char target[255];
int ret = 0;
// Do not try to mount non-mountable partitions
if (!mMnt.mountable) return 0;
if (tw_isMounted(mMnt)) return 0;
sprintf(target, "/%s", mMnt.mnt);
if (mount(mMnt.blk, target, mMnt.fst, 0, NULL) != 0)
{
LOGE("Unable to mount %s\n", target);
ret = 1;
}
return ret;
}
int tw_unmount(struct dInfo uMnt)
{
char target[255];
int ret = 0;
// Do not try to mount non-mountable partitions
if (!uMnt.mountable) return 0;
if (!tw_isMounted(uMnt)) return 0;
sprintf(target, "/%s", uMnt.mnt);
if (umount(target) != 0)
{
LOGE("Unable to unmount %s\n", target);
ret = 1;
}
return ret;
}
/* New backup function
** Condensed all partitions into one function
*/
int tw_backup(struct dInfo bMnt, const char *bDir)
{
// set compression or not
char bTarArg[32];
if (DataManager_GetIntValue(TW_USE_COMPRESSION_VAR)) {
strcpy(bTarArg,"-czv");
} else {
strcpy(bTarArg,"-cv");
}
FILE *bFp;
#ifdef RECOVERY_SDCARD_ON_DATA
strcat(bTarArg, " -X /tmp/excludes.lst");
bFp = fopen("/tmp/excludes.lst", "wt");
if (bFp)
{
fprintf(bFp, "/data/media\n");
fprintf(bFp, "./media\n");
fprintf(bFp, "media\n");
fclose(bFp);
}
#endif
char str[512];
unsigned long long bPartSize;
char *bImage = malloc(sizeof(char)*50);
char *bMount = malloc(sizeof(char)*50);
char *bCommand = malloc(sizeof(char)*255);
if (bMnt.backup == files)
{
// detect mountable partitions
if (strcmp(bMnt.mnt,".android_secure") == 0) { // if it's android secure, add sdcard to prefix
strcpy(bMount,"/sdcard/");
strcat(bMount,bMnt.mnt);
sprintf(bImage,"and-sec.%s.win",bMnt.fst); // set image name based on filesystem, should always be vfat for android_secure
} else {
strcpy(bMount,"/");
strcat(bMount,bMnt.mnt);
sprintf(bImage,"%s.%s.win",bMnt.mnt,bMnt.fst); // anything else that is mountable, will be partition.filesystem.win
SetDataState("Mounting", bMnt.mnt, 0, 0);
if (tw_mount(bMnt))
{
ui_print("-- Could not mount: %s\n-- Aborting.\n",bMount);
free(bCommand);
free(bMount);
free(bImage);
return 1;
}
}
bPartSize = bMnt.used;
sprintf(bCommand,"cd %s && tar %s -f %s%s ./*",bMount,bTarArg,bDir,bImage); // form backup command
} else if (bMnt.backup == image) {
strcpy(bMount,bMnt.mnt);
bPartSize = bMnt.sze;
sprintf(bImage,"%s.%s.win",bMnt.mnt,bMnt.fst); // non-mountable partitions such as boot/sp1/recovery
if (strcmp(bMnt.fst,"mtd") == 0) {
sprintf(bCommand,"dump_image %s %s%s",bMnt.mnt,bDir,bImage); // if it's mtd, we use dump image
} else {
sprintf(bCommand,"dd bs=%s if=%s of=%s%s",bs_size,bMnt.blk,bDir,bImage); // if it's emmc, use dd
}
ui_print("\n");
}
else
{
LOGE("Unknown backup method for mount %s\n", bMnt.mnt);
return 1;
}
LOGI("=> Filename: %s\n",bImage);
LOGI("=> Size of %s is %lu KB.\n\n", bMount, (unsigned long) (bPartSize / 1024));
int i;
char bUppr[20];
strcpy(bUppr,bMnt.mnt);
for (i = 0; i < (int) strlen(bUppr); i++) { // make uppercase of mount name
bUppr[i] = toupper(bUppr[i]);
}
ui_print("[%s (%lu MB)]\n", bUppr, (unsigned long) (bPartSize / (1024 * 1024))); // show size in MB
SetDataState("Backup", bMnt.mnt, 0, 0);
int bProgTime;
time_t bStart, bStop;
char bOutput[1024];
time(&bStart); // start timer
ui_print("...Backing up %s partition.\n",bMount);
bFp = __popen(bCommand, "r"); // sending backup command formed earlier above
if(DataManager_GetIntValue(TW_SHOW_SPAM_VAR) == 2) { // if twrp spam is on, show all lines
while (fgets(bOutput,sizeof(bOutput),bFp) != NULL) {
ui_print_overwrite("%s",bOutput);
}
} else { // else just show single line
while (fscanf(bFp,"%s",bOutput) == 1) {
if(DataManager_GetIntValue(TW_SHOW_SPAM_VAR) == 1) ui_print_overwrite("%s",bOutput);
}
}
ui_print_overwrite(" * Done.\n");
__pclose(bFp);
ui_print(" * Verifying backup size.\n");
SetDataState("Verifying", bMnt.mnt, 0, 0);
sprintf(bCommand, "%s%s", bDir, bImage);
struct stat st;
if (stat(bCommand, &st) != 0 || st.st_size == 0)
{
ui_print("E: File size is zero bytes. Aborting...\n\n"); // oh noes! file size is 0, abort! abort!
tw_unmount(bMnt);
free(bCommand);
free(bMount);
free(bImage);
return 1;
}
ui_print(" * File size: %llu bytes.\n", st.st_size); // file size
// Only verify image sizes
if (bMnt.backup == image)
{
LOGI(" * Expected size: %llu Got: %lld\n", bMnt.sze, st.st_size);
if (bMnt.sze != (unsigned long long) st.st_size)
{
ui_print("E: File size is incorrect. Aborting.\n\n"); // they dont :(
free(bCommand);
free(bMount);
free(bImage);
return 1;
}
}
ui_print(" * Generating md5...\n");
SetDataState("Generating MD5", bMnt.mnt, 0, 0);
makeMD5(bDir, bImage); // make md5 file
time(&bStop); // stop timer
ui_print("[%s DONE (%d SECONDS)]\n\n",bUppr,(int)difftime(bStop,bStart)); // done, finally. How long did it take?
tw_unmount(bMnt); // unmount partition we just restored to (if it's not a mountable partition, it will just bypass)
free(bCommand);
free(bMount);
free(bImage);
return 0;
}
unsigned long long get_backup_size(struct dInfo* mnt)
{
if (!mnt)
{
LOGE("Invalid call to get_backup_size with NULL parameter\n");
return 0;
}
switch (mnt->backup)
{
case files:
return mnt->used;
case image:
return (unsigned long long) mnt->sze;
case none:
LOGW("Request backup details for partition '%s' which has no backup method.", mnt->mnt);
break;
default:
LOGE("Backup type unknown for partition '%s'\n", mnt->mnt);
break;
}
return 0;
}
int CalculateBackupDetails(int* total_partitions, unsigned long long* total_img_bytes, unsigned long long* total_file_bytes)
{
*total_partitions = 0;
if (DataManager_GetIntValue(TW_BACKUP_SYSTEM_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (sys.backup == image) *total_img_bytes += get_backup_size(&sys);
else *total_file_bytes += get_backup_size(&sys);
}
if (DataManager_GetIntValue(TW_BACKUP_DATA_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (dat.backup == image) *total_img_bytes += get_backup_size(&dat);
else *total_file_bytes += get_backup_size(&dat);
}
if (DataManager_GetIntValue(TW_BACKUP_CACHE_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (cac.backup == image) *total_img_bytes += get_backup_size(&cac);
else *total_file_bytes += get_backup_size(&cac);
}
if (DataManager_GetIntValue(TW_BACKUP_RECOVERY_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (rec.backup == image) *total_img_bytes += get_backup_size(&rec);
else *total_file_bytes += get_backup_size(&rec);
}
if (DataManager_GetIntValue(TW_BACKUP_SP1_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (sp1.backup == image) *total_img_bytes += get_backup_size(&sp1);
else *total_file_bytes += get_backup_size(&sp1);
}
if (DataManager_GetIntValue(TW_BACKUP_SP2_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (sp2.backup == image) *total_img_bytes += get_backup_size(&sp2);
else *total_file_bytes += get_backup_size(&sp2);
}
if (DataManager_GetIntValue(TW_BACKUP_SP3_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (sp3.backup == image) *total_img_bytes += get_backup_size(&sp3);
else *total_file_bytes += get_backup_size(&sp3);
}
if (DataManager_GetIntValue(TW_BACKUP_BOOT_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (boo.backup == image) *total_img_bytes += get_backup_size(&boo);
else *total_file_bytes += get_backup_size(&boo);
}
if (DataManager_GetIntValue(TW_BACKUP_ANDSEC_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (ase.backup == image) *total_img_bytes += get_backup_size(&ase);
else *total_file_bytes += get_backup_size(&ase);
}
if (DataManager_GetIntValue(TW_BACKUP_SDEXT_VAR) == 1)
{
*total_partitions = *total_partitions + 1;
if (sde.backup == image) *total_img_bytes += get_backup_size(&sde);
else *total_file_bytes += get_backup_size(&sde);
}
return 0;
}
int recursive_mkdir(const char* path)
{
char pathCpy[512];
char wholePath[512];
strcpy(pathCpy, path);
strcpy(wholePath, "/");
char* tok = strtok(pathCpy, "/");
while (tok)
{
strcat(wholePath, tok);
if (mkdir(wholePath, 0777) && errno != EEXIST)
{
LOGE("Unable to create folder: %s (errno=%d)\n", wholePath, errno);
return -1;
}
strcat(wholePath, "/");
tok = strtok(NULL, "/");
}
if (mkdir(wholePath, 0777) && errno != EEXIST) return -1;
return 0;
}
int tw_do_backup(const char* enableVar, struct dInfo* mnt, const char* tw_image_dir, unsigned long long img_bytes, unsigned long long file_bytes, unsigned long long* img_bytes_remaining, unsigned long long* file_bytes_remaining, unsigned long* img_byte_time, unsigned long* file_byte_time)
{
// Check if this partition is being backed up...
if (!DataManager_GetIntValue(enableVar)) return 0;
// Let's calculate the percentage of the bar this section is expected to take
unsigned long int img_bps = DataManager_GetIntValue(TW_BACKUP_AVG_IMG_RATE);
unsigned long int file_bps;
if (DataManager_GetIntValue(TW_USE_COMPRESSION_VAR)) file_bps = DataManager_GetIntValue(TW_BACKUP_AVG_FILE_COMP_RATE);
else file_bps = DataManager_GetIntValue(TW_BACKUP_AVG_FILE_RATE);
if (DataManager_GetIntValue(TW_SKIP_MD5_GENERATE_VAR) == 1)
{
// If we're skipping MD5 generation, our BPS is faster by about 1.65
file_bps = (unsigned long) (file_bps * 1.65);
img_bps = (unsigned long) (img_bps * 1.65);
}
// We know the speed for both, how far into the whole backup are we, based on time
unsigned long total_time = (img_bytes / img_bps) + (file_bytes / file_bps);
unsigned long remain_time = (*img_bytes_remaining / img_bps) + (*file_bytes_remaining / file_bps);
float pos = (total_time - remain_time) / (float) total_time;
ui_set_progress(pos);
LOGI("Estimated Total time: %lu Estimated remaining time: %lu\n", total_time, remain_time);
// Determine how much we're about to process
unsigned long long blocksize = get_backup_size(mnt);
// And get the time
unsigned long section_time;
if (mnt->backup == image) section_time = blocksize / img_bps;
else section_time = blocksize / file_bps;
// Set the position
pos = section_time / (float) total_time;
ui_show_progress(pos, section_time);
time_t start, stop;
time(&start);
if (tw_backup(*mnt, tw_image_dir) == 1) { // did the backup process return an error ? 0 = no error
SetDataState("Backup failed", mnt->mnt, 1, 1);
ui_print("-- Error occured, check recovery.log. Aborting.\n"); //oh noes! abort abort!
return 1;
}
time(&stop);
LOGI("Partition Backup time: %d\n", (int) difftime(stop, start));
// Now, decrement out byte counts
if (mnt->backup == image)
{
*img_bytes_remaining -= blocksize;
*img_byte_time += (int) difftime(stop, start);
}
else
{
*file_bytes_remaining -= blocksize;
*file_byte_time += (int) difftime(stop, start);
}
return 0;
}
int
nandroid_back_exe()
{
SetDataState("Starting", "backup", 0, 0);
if (ensure_path_mounted(SDCARD_ROOT) != 0) {
ui_print("-- Could not mount: %s.\n-- Aborting.\n",SDCARD_ROOT);
SetDataState("Unable to mount", "/sdcard", 1, 1);
return 1;
}
// Create backup folder
struct tm *t;
char timestamp[64];
char tw_image_dir[255];
char exe[255];
time_t start, stop;
time_t seconds;
seconds = time(0);
t = localtime(&seconds);
sprintf(timestamp,"%04d-%02d-%02d--%02d-%02d-%02d",t->tm_year+1900,t->tm_mon+1,t->tm_mday,t->tm_hour,t->tm_min,t->tm_sec); // make time stamp
sprintf(tw_image_dir,"%s/%s/%s/", backup_folder, device_id, timestamp); // for backup folder
if (recursive_mkdir(tw_image_dir))
{
LOGE("Unable to create folder: '%s'\n", backup_folder);
SetDataState("Backup failed", tw_image_dir, 1, 1);
return -1;
}