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Dees Troy3be70a82013-10-22 14:25:12 +00001/*
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002 Copyright 2013 TeamWin
Dees Troy3be70a82013-10-22 14:25:12 +00003 This file is part of TWRP/TeamWin Recovery Project.
4
5 TWRP is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 TWRP is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with TWRP. If not, see <http://www.gnu.org/licenses/>.
17*/
Dees_Troy51a0e822012-09-05 15:24:24 -040018
19#include <stdio.h>
20#include <stdlib.h>
21#include <string.h>
22#include <sys/stat.h>
23#include <sys/vfs.h>
Dees_Troy5bf43922012-09-07 16:07:55 -040024#include <sys/mount.h>
Dees_Troy51a0e822012-09-05 15:24:24 -040025#include <unistd.h>
Dees_Troy51127312012-09-08 13:08:49 -040026#include <dirent.h>
bigbiff bigbiff9c754052013-01-09 09:09:08 -050027#include <iostream>
28#include <sstream>
Dees_Troy51a0e822012-09-05 15:24:24 -040029
Dees_Troy657c3092012-09-10 20:32:10 -040030#ifdef TW_INCLUDE_CRYPTO
31 #include "cutils/properties.h"
32#endif
33
bigbiff7b4c7a62015-01-01 19:44:14 -050034#include "libblkid/include/blkid.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040035#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000036#include "twcommon.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040037#include "partitions.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040038#include "data.hpp"
Dees_Troy43d8b002012-09-17 16:00:01 -040039#include "twrp-functions.hpp"
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -050040#include "twrpDigest.hpp"
bigbiff bigbiff9c754052013-01-09 09:09:08 -050041#include "twrpTar.hpp"
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050042#include "twrpDU.hpp"
bigbiff bigbiff6b600f92014-01-05 18:13:43 -050043#include "fixPermissions.hpp"
Ethan Yonker1b7a31b2014-07-03 15:09:22 -050044#include "infomanager.hpp"
Ethan Yonker4b94cfd2014-12-11 10:00:45 -060045#include "set_metadata.h"
Dees_Troy5bf43922012-09-07 16:07:55 -040046extern "C" {
Dees_Troy38bd7602012-09-14 13:33:53 -040047 #include "mtdutils/mtdutils.h"
48 #include "mtdutils/mounts.h"
Dees_Troya95f55c2013-08-17 13:14:43 +000049#ifdef USE_EXT4
50 #include "make_ext4fs.h"
51#endif
Ethan Yonker71413f42014-02-26 13:36:08 -060052
53#ifdef TW_INCLUDE_CRYPTO
Ethan Yonker253368a2014-11-25 15:00:52 -060054 #include "crypto/lollipop/cryptfs.h"
Ethan Yonkerbc85b632015-08-09 12:48:14 -050055#else
56 #define CRYPT_FOOTER_OFFSET 0x4000
Ethan Yonker71413f42014-02-26 13:36:08 -060057#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040058}
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040059#ifdef HAVE_SELINUX
60#include "selinux/selinux.h"
Ethan Yonkerf27497f2014-02-09 11:48:33 -060061#include <selinux/label.h>
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040062#endif
Dees Troy4159aed2014-02-28 17:24:43 +000063#ifdef HAVE_CAPABILITIES
64#include <sys/capability.h>
65#include <sys/xattr.h>
66#include <linux/xattr.h>
67#endif
Dees_Troy51a0e822012-09-05 15:24:24 -040068
bigbiff bigbiff9c754052013-01-09 09:09:08 -050069using namespace std;
70
Dees_Troya95f55c2013-08-17 13:14:43 +000071extern struct selabel_handle *selinux_handle;
Ethan Yonker6277c792014-09-15 14:54:30 -050072extern bool datamedia;
Dees_Troya95f55c2013-08-17 13:14:43 +000073
Hashcode62bd9e02013-11-19 21:59:42 -080074struct flag_list {
75 const char *name;
76 unsigned flag;
77};
78
79static struct flag_list mount_flags[] = {
80 { "noatime", MS_NOATIME },
81 { "noexec", MS_NOEXEC },
82 { "nosuid", MS_NOSUID },
83 { "nodev", MS_NODEV },
84 { "nodiratime", MS_NODIRATIME },
85 { "ro", MS_RDONLY },
86 { "rw", 0 },
87 { "remount", MS_REMOUNT },
88 { "bind", MS_BIND },
89 { "rec", MS_REC },
Dees Troyc4bc30e2014-02-03 15:04:19 +000090#ifdef MS_UNBINDABLE
Hashcode62bd9e02013-11-19 21:59:42 -080091 { "unbindable", MS_UNBINDABLE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000092#endif
93#ifdef MS_PRIVATE
Hashcode62bd9e02013-11-19 21:59:42 -080094 { "private", MS_PRIVATE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000095#endif
96#ifdef MS_SLAVE
Hashcode62bd9e02013-11-19 21:59:42 -080097 { "slave", MS_SLAVE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000098#endif
99#ifdef MS_SHARED
Hashcode62bd9e02013-11-19 21:59:42 -0800100 { "shared", MS_SHARED },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000101#endif
Hashcode62bd9e02013-11-19 21:59:42 -0800102 { "sync", MS_SYNCHRONOUS },
103 { "defaults", 0 },
104 { 0, 0 },
105};
106
that9e0593e2014-10-08 00:01:24 +0200107TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400108 Can_Be_Mounted = false;
109 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500110 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200111 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400112 Wipe_During_Factory_Reset = false;
113 Wipe_Available_in_GUI = false;
114 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400115 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400116 SubPartition_Of = "";
117 Symlink_Path = "";
118 Symlink_Mount_Point = "";
119 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400120 Backup_Path = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400121 Actual_Block_Device = "";
122 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400123 Alternate_Block_Device = "";
124 Removable = false;
125 Is_Present = false;
126 Length = 0;
127 Size = 0;
128 Used = 0;
129 Free = 0;
130 Backup_Size = 0;
131 Can_Be_Encrypted = false;
132 Is_Encrypted = false;
133 Is_Decrypted = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600134 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400135 Decrypted_Block_Device = "";
136 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500137 Backup_Display_Name = "";
138 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400139 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400140 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400141 MTD_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400142 Backup_Method = NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000143 Can_Encrypt_Backup = false;
144 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400145 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400146 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400147 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500148 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400149 Storage_Path = "";
150 Current_File_System = "";
151 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800152 Mount_Flags = 0;
153 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400154 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000155 Ignore_Blkid = false;
Dees_Troy16c2b312013-01-15 16:51:18 +0000156 Retain_Layout_Version = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600157 Crypto_Key_Location = "footer";
Ethan Yonker726a0202014-12-16 20:01:38 -0600158 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600159 Can_Flash_Img = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500160 Mount_Read_Only = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400161}
162
163TWPartition::~TWPartition(void) {
164 // Do nothing
165}
166
Dees_Troy5bf43922012-09-07 16:07:55 -0400167bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
168 char full_line[MAX_FSTAB_LINE_LENGTH], item[MAX_FSTAB_LINE_LENGTH];
169 int line_len = Line.size(), index = 0, item_index = 0;
170 char* ptr;
Dees_Troy51127312012-09-08 13:08:49 -0400171 string Flags;
Dees_Troy5bf43922012-09-07 16:07:55 -0400172 strncpy(full_line, Line.c_str(), line_len);
Dees_Troya13d74f2013-03-24 08:54:55 -0500173 bool skip = false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400174
Dees_Troy51127312012-09-08 13:08:49 -0400175 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500176 if (full_line[index] == 34)
177 skip = !skip;
178 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400179 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400180 }
Dees_Troy7c2dec82012-09-26 09:49:14 -0400181 Mount_Point = full_line;
Dees_Troy2673cec2013-04-02 20:22:16 +0000182 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -0400183 Backup_Path = Mount_Point;
Dees_Troya13d74f2013-03-24 08:54:55 -0500184 Storage_Path = Mount_Point;
Dees_Troy70737fa2013-04-08 13:19:20 +0000185 Display_Name = full_line + 1;
186 Backup_Display_Name = Display_Name;
187 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400188 index = Mount_Point.size();
189 while (index < line_len) {
190 while (index < line_len && full_line[index] == '\0')
191 index++;
192 if (index >= line_len)
193 continue;
194 ptr = full_line + index;
195 if (item_index == 0) {
196 // File System
197 Fstab_File_System = ptr;
198 Current_File_System = ptr;
199 item_index++;
200 } else if (item_index == 1) {
201 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400202 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400203 MTD_Name = ptr;
204 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400205 } else if (Fstab_File_System == "bml") {
206 if (Mount_Point == "/boot")
207 MTD_Name = "boot";
208 else if (Mount_Point == "/recovery")
209 MTD_Name = "recovery";
210 Primary_Block_Device = ptr;
211 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000212 LOGERR("Until we get better BML support, you will have to find and provide the full block device path to the BML devices e.g. /dev/block/bml9 instead of the partition name\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400213 } else if (*ptr != '/') {
Dees_Troy5bf43922012-09-07 16:07:55 -0400214 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000215 LOGERR("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400216 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000217 LOGINFO("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400218 return 0;
Dees_Troy38bd7602012-09-14 13:33:53 -0400219 } else {
220 Primary_Block_Device = ptr;
221 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400222 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400223 item_index++;
224 } else if (item_index > 1) {
225 if (*ptr == '/') {
226 // Alternate Block Device
227 Alternate_Block_Device = ptr;
228 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
229 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
230 // Partition length
231 ptr += 7;
232 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400233 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
234 // Custom flags, save for later so that new values aren't overwritten by defaults
235 ptr += 6;
236 Flags = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000237 Process_Flags(Flags, Display_Error);
Dees_Troy38bd7602012-09-14 13:33:53 -0400238 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
239 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400240 } else {
241 // Unhandled data
Dees_Troy2673cec2013-04-02 20:22:16 +0000242 LOGINFO("Unhandled fstab information: '%s', %i, line: '%s'\n", ptr, index, Line.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400243 }
244 }
245 while (index < line_len && full_line[index] != '\0')
246 index++;
247 }
248
249 if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
250 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000251 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400252 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000253 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400254 return 0;
255 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400256 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400257 Setup_File_System(Display_Error);
258 if (Mount_Point == "/system") {
259 Display_Name = "System";
Dees_Troya13d74f2013-03-24 08:54:55 -0500260 Backup_Display_Name = Display_Name;
261 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400262 Wipe_Available_in_GUI = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500263 Can_Be_Backed_Up = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500264 Mount_Read_Only = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400265 } else if (Mount_Point == "/data") {
Dees Troyc657cc02015-01-16 22:48:47 +0000266 UnMount(false); // added in case /data is mounted as tmpfs for qcom hardware decrypt
Dees_Troy5bf43922012-09-07 16:07:55 -0400267 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500268 Backup_Display_Name = Display_Name;
269 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400270 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400271 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500272 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000273 Can_Encrypt_Backup = true;
274 Use_Userdata_Encryption = true;
Ethan Yonker6277c792014-09-15 14:54:30 -0500275 if (datamedia)
that9e0593e2014-10-08 00:01:24 +0200276 Setup_Data_Media();
Dees_Troy5bf43922012-09-07 16:07:55 -0400277#ifdef TW_INCLUDE_CRYPTO
278 Can_Be_Encrypted = true;
Dees_Troy657c3092012-09-10 20:32:10 -0400279 char crypto_blkdev[255];
280 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
281 if (strcmp(crypto_blkdev, "error") != 0) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400282 DataManager::SetValue(TW_DATA_BLK_DEVICE, Primary_Block_Device);
Dees_Troy657c3092012-09-10 20:32:10 -0400283 DataManager::SetValue(TW_IS_DECRYPTED, 1);
284 Is_Encrypted = true;
285 Is_Decrypted = true;
286 Decrypted_Block_Device = crypto_blkdev;
Dees_Troy2673cec2013-04-02 20:22:16 +0000287 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
Dees_Troy657c3092012-09-10 20:32:10 -0400288 } else if (!Mount(false)) {
Ethan Yonker71413f42014-02-26 13:36:08 -0600289 if (Is_Present) {
Ethan Yonker253368a2014-11-25 15:00:52 -0600290 set_partition_data(Actual_Block_Device.c_str(), Crypto_Key_Location.c_str(), Fstab_File_System.c_str());
Ethan Yonker71413f42014-02-26 13:36:08 -0600291 if (cryptfs_check_footer() == 0) {
292 Is_Encrypted = true;
293 Is_Decrypted = false;
294 Can_Be_Mounted = false;
295 Current_File_System = "emmc";
296 Setup_Image(Display_Error);
297 DataManager::SetValue(TW_IS_ENCRYPTED, 1);
Vojtech Bocek7e11ac52015-03-05 23:21:49 +0100298 DataManager::SetValue(TW_CRYPTO_PWTYPE, cryptfs_get_password_type());
Ethan Yonker71413f42014-02-26 13:36:08 -0600299 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
300 DataManager::SetValue("tw_crypto_display", "");
301 } else {
302 LOGERR("Could not mount /data and unable to find crypto footer.\n");
303 }
304 } else {
305 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n", Primary_Block_Device.c_str(), Mount_Point.c_str());
306 }
Gary Peck82599a82012-11-21 16:23:12 -0800307 } else {
308 // Filesystem is not encrypted and the mount
309 // succeeded, so get it back to the original
310 // unmounted state
311 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -0400312 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500313 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted)))
Dees_Troy9b21af72012-10-01 15:51:46 -0400314 Recreate_Media_Folder();
Dees_Troy9b21af72012-10-01 15:51:46 -0400315#else
Ethan Yonker6277c792014-09-15 14:54:30 -0500316 if (datamedia)
317 Recreate_Media_Folder();
Dees_Troy5bf43922012-09-07 16:07:55 -0400318#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400319 } else if (Mount_Point == "/cache") {
320 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500321 Backup_Display_Name = Display_Name;
322 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400323 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400324 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500325 Can_Be_Backed_Up = true;
Dees_Troyce2fe772012-09-28 12:34:33 -0400326 if (Mount(false) && !TWFunc::Path_Exists("/cache/recovery/.")) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000327 LOGINFO("Recreating /cache/recovery folder.\n");
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500328 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500329 return -1;
Dees_Troyb46a6842012-09-25 11:06:46 -0400330 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400331 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400332 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400333 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500334 Backup_Display_Name = Display_Name;
335 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400336 Is_SubPartition = true;
337 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400338 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500339 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000340 Can_Encrypt_Backup = true;
341 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400342 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400343 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400344 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500345 Backup_Display_Name = Display_Name;
346 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400347 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400348 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500349 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000350 Can_Encrypt_Backup = true;
351 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400352 } else if (Mount_Point == "/boot") {
353 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500354 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400355 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500356 Can_Be_Backed_Up = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400357 }
358#ifdef TW_EXTERNAL_STORAGE_PATH
359 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
360 Is_Storage = true;
361 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400362 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500363 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400364#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000365 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400366 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400367 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500368 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400369#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000370 }
Dees_Troy8170a922012-09-18 15:40:25 -0400371#ifdef TW_INTERNAL_STORAGE_PATH
372 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
373 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500374 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400375 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500376 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400377 }
378#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000379 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400380 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500381 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500382 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400383 }
384#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400385 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400386 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400387 Setup_Image(Display_Error);
Dees_Troya13d74f2013-03-24 08:54:55 -0500388 if (Mount_Point == "/boot") {
389 Display_Name = "Boot";
390 Backup_Display_Name = Display_Name;
391 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600392 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500393 } else if (Mount_Point == "/recovery") {
394 Display_Name = "Recovery";
395 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600396 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500397 } else if (Mount_Point == "/system_image") {
398 Display_Name = "System Image";
399 Backup_Display_Name = Display_Name;
400 Can_Flash_Img = false;
401 Can_Be_Backed_Up = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500402 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400403 }
404
Dees_Troy51127312012-09-08 13:08:49 -0400405 // Process any custom flags
406 if (Flags.size() > 0)
407 Process_Flags(Flags, Display_Error);
Dees_Troy51127312012-09-08 13:08:49 -0400408 return true;
409}
410
Hashcode62bd9e02013-11-19 21:59:42 -0800411bool TWPartition::Process_FS_Flags(string& Options, int Flags) {
412 int i;
413 char *p;
414 char *savep;
415 char fs_options[250];
416
417 strlcpy(fs_options, Options.c_str(), sizeof(fs_options));
418 Options = "";
419
420 p = strtok_r(fs_options, ",", &savep);
421 while (p) {
422 /* Look for the flag "p" in the flag list "fl"
423 * If not found, the loop exits with fl[i].name being null.
424 */
425 for (i = 0; mount_flags[i].name; i++) {
426 if (strncmp(p, mount_flags[i].name, strlen(mount_flags[i].name)) == 0) {
427 Flags |= mount_flags[i].flag;
428 break;
429 }
430 }
431
432 if (!mount_flags[i].name) {
433 if (Options.size() > 0)
434 Options += ",";
435 Options += p;
436 }
437 p = strtok_r(NULL, ",", &savep);
438 }
439
440 return true;
441}
442
Dees_Troy51127312012-09-08 13:08:49 -0400443bool TWPartition::Process_Flags(string Flags, bool Display_Error) {
444 char flags[MAX_FSTAB_LINE_LENGTH];
Dees_Troya13d74f2013-03-24 08:54:55 -0500445 int flags_len, index = 0, ptr_len;
Dees_Troy51127312012-09-08 13:08:49 -0400446 char* ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500447 bool skip = false, has_display_name = false, has_storage_name = false, has_backup_name = false;
Dees_Troy51127312012-09-08 13:08:49 -0400448
449 strcpy(flags, Flags.c_str());
450 flags_len = Flags.size();
451 for (index = 0; index < flags_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500452 if (flags[index] == 34)
453 skip = !skip;
454 if (!skip && flags[index] == ';')
Dees_Troy51127312012-09-08 13:08:49 -0400455 flags[index] = '\0';
456 }
457
458 index = 0;
459 while (index < flags_len) {
460 while (index < flags_len && flags[index] == '\0')
461 index++;
462 if (index >= flags_len)
463 continue;
464 ptr = flags + index;
Dees_Troya13d74f2013-03-24 08:54:55 -0500465 ptr_len = strlen(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400466 if (strcmp(ptr, "removable") == 0) {
467 Removable = true;
Ethan Yonker06c3f932014-02-02 22:11:14 -0600468 } else if (strncmp(ptr, "storage", 7) == 0) {
469 if (ptr_len == 7) {
Ethan Yonker06c3f932014-02-02 22:11:14 -0600470 Is_Storage = true;
471 } else if (ptr_len == 9) {
472 ptr += 9;
473 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
474 LOGINFO("storage set to true\n");
475 Is_Storage = true;
476 } else {
477 LOGINFO("storage set to false\n");
478 Is_Storage = false;
479 }
480 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500481 } else if (strcmp(ptr, "settingsstorage") == 0) {
482 Is_Storage = true;
Xueferbfce5042015-04-14 02:02:05 +0800483 Is_Settings_Storage = true;
Matt Mowerbf4efa32014-04-14 23:25:26 -0500484 } else if (strcmp(ptr, "andsec") == 0) {
485 Has_Android_Secure = true;
Dees_Troy63c8df72012-09-10 14:02:05 -0400486 } else if (strcmp(ptr, "canbewiped") == 0) {
487 Can_Be_Wiped = true;
Hashcodedabfd492013-08-29 22:45:30 -0700488 } else if (strcmp(ptr, "usermrf") == 0) {
489 Use_Rm_Rf = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500490 } else if (ptr_len > 7 && strncmp(ptr, "backup=", 7) == 0) {
491 ptr += 7;
492 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
493 Can_Be_Backed_Up = true;
494 else
495 Can_Be_Backed_Up = false;
Dees_Troy63c8df72012-09-10 14:02:05 -0400496 } else if (strcmp(ptr, "wipeingui") == 0) {
497 Can_Be_Wiped = true;
498 Wipe_Available_in_GUI = true;
499 } else if (strcmp(ptr, "wipeduringfactoryreset") == 0) {
500 Can_Be_Wiped = true;
501 Wipe_Available_in_GUI = true;
502 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500503 } else if (ptr_len > 15 && strncmp(ptr, "subpartitionof=", 15) == 0) {
Dees_Troy2c4c26f2013-01-28 15:26:43 +0000504 ptr += 15;
Dees_Troy51127312012-09-08 13:08:49 -0400505 Is_SubPartition = true;
506 SubPartition_Of = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000507 } else if (strcmp(ptr, "ignoreblkid") == 0) {
508 Ignore_Blkid = true;
Dees_Troy16c2b312013-01-15 16:51:18 +0000509 } else if (strcmp(ptr, "retainlayoutversion") == 0) {
510 Retain_Layout_Version = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500511 } else if (ptr_len > 8 && strncmp(ptr, "symlink=", 8) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400512 ptr += 8;
513 Symlink_Path = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500514 } else if (ptr_len > 8 && strncmp(ptr, "display=", 8) == 0) {
515 has_display_name = true;
Dees_Troy51127312012-09-08 13:08:49 -0400516 ptr += 8;
Dees_Troya13d74f2013-03-24 08:54:55 -0500517 if (*ptr == '\"') ptr++;
Dees_Troy51127312012-09-08 13:08:49 -0400518 Display_Name = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500519 if (Display_Name.substr(Display_Name.size() - 1, 1) == "\"") {
520 Display_Name.resize(Display_Name.size() - 1);
521 }
522 } else if (ptr_len > 11 && strncmp(ptr, "storagename=", 11) == 0) {
523 has_storage_name = true;
524 ptr += 11;
525 if (*ptr == '\"') ptr++;
526 Storage_Name = ptr;
527 if (Storage_Name.substr(Storage_Name.size() - 1, 1) == "\"") {
528 Storage_Name.resize(Storage_Name.size() - 1);
529 }
530 } else if (ptr_len > 11 && strncmp(ptr, "backupname=", 10) == 0) {
531 has_backup_name = true;
532 ptr += 10;
533 if (*ptr == '\"') ptr++;
534 Backup_Display_Name = ptr;
535 if (Backup_Display_Name.substr(Backup_Display_Name.size() - 1, 1) == "\"") {
536 Backup_Display_Name.resize(Backup_Display_Name.size() - 1);
537 }
538 } else if (ptr_len > 10 && strncmp(ptr, "blocksize=", 10) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400539 ptr += 10;
Ethan Yonkera2719152015-05-28 09:44:41 -0500540 Format_Block_Size = (unsigned long)(atol(ptr));
Dees_Troya13d74f2013-03-24 08:54:55 -0500541 } else if (ptr_len > 7 && strncmp(ptr, "length=", 7) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400542 ptr += 7;
543 Length = atoi(ptr);
Dees_Troy83bd4832013-05-04 12:39:56 +0000544 } else if (ptr_len > 17 && strncmp(ptr, "canencryptbackup=", 17) == 0) {
545 ptr += 17;
546 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
547 Can_Encrypt_Backup = true;
548 else
549 Can_Encrypt_Backup = false;
550 } else if (ptr_len > 21 && strncmp(ptr, "userdataencryptbackup=", 21) == 0) {
551 ptr += 21;
552 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
553 Can_Encrypt_Backup = true;
554 Use_Userdata_Encryption = true;
555 } else {
556 Use_Userdata_Encryption = false;
557 }
Hashcode62bd9e02013-11-19 21:59:42 -0800558 } else if (ptr_len > 8 && strncmp(ptr, "fsflags=", 8) == 0) {
559 ptr += 8;
560 if (*ptr == '\"') ptr++;
561
562 Mount_Options = ptr;
563 if (Mount_Options.substr(Mount_Options.size() - 1, 1) == "\"") {
564 Mount_Options.resize(Mount_Options.size() - 1);
565 }
566 Process_FS_Flags(Mount_Options, Mount_Flags);
Ethan Yonker253368a2014-11-25 15:00:52 -0600567 } else if ((ptr_len > 12 && strncmp(ptr, "encryptable=", 12) == 0) || (ptr_len > 13 && strncmp(ptr, "forceencrypt=", 13) == 0)) {
568 ptr += 12;
569 if (*ptr == '=') ptr++;
570 if (*ptr == '\"') ptr++;
571
572 Crypto_Key_Location = ptr;
573 if (Crypto_Key_Location.substr(Crypto_Key_Location.size() - 1, 1) == "\"") {
574 Crypto_Key_Location.resize(Crypto_Key_Location.size() - 1);
575 }
576 } else if (ptr_len > 8 && strncmp(ptr, "mounttodecrypt", 14) == 0) {
577 Mount_To_Decrypt = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600578 } else if (strncmp(ptr, "flashimg", 8) == 0) {
579 if (ptr_len == 8) {
580 Can_Flash_Img = true;
581 } else if (ptr_len == 10) {
582 ptr += 9;
583 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
584 Can_Flash_Img = true;
585 } else {
586 Can_Flash_Img = false;
587 }
588 }
Dees_Troy51127312012-09-08 13:08:49 -0400589 } else {
590 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000591 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400592 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000593 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400594 }
595 while (index < flags_len && flags[index] != '\0')
596 index++;
597 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500598 if (has_display_name && !has_storage_name)
599 Storage_Name = Display_Name;
600 if (!has_display_name && has_storage_name)
601 Display_Name = Storage_Name;
Dees_Troy74fb2e92013-04-15 14:35:47 +0000602 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
Dees_Troya13d74f2013-03-24 08:54:55 -0500603 Backup_Display_Name = Display_Name;
604 if (!has_display_name && has_backup_name)
605 Display_Name = Backup_Display_Name;
Dees_Troy51127312012-09-08 13:08:49 -0400606 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -0400607}
608
Dees_Troy5bf43922012-09-07 16:07:55 -0400609bool TWPartition::Is_File_System(string File_System) {
610 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -0400611 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400612 File_System == "ext4" ||
613 File_System == "vfat" ||
614 File_System == "ntfs" ||
615 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -0500616 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +0000617 File_System == "f2fs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400618 File_System == "auto")
619 return true;
620 else
621 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400622}
623
Dees_Troy5bf43922012-09-07 16:07:55 -0400624bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400625 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400626 return true;
627 else
628 return false;
629}
630
Dees_Troy51127312012-09-08 13:08:49 -0400631bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Dees_Troy43d8b002012-09-17 16:00:01 -0400632 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -0400633 if (mkdir(Path.c_str(), 0777) == -1) {
634 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000635 LOGERR("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400636 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000637 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400638 return false;
639 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +0000640 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400641 return true;
642 }
643 }
644 return true;
645}
646
Dees_Troy5bf43922012-09-07 16:07:55 -0400647void TWPartition::Setup_File_System(bool Display_Error) {
648 struct statfs st;
649
650 Can_Be_Mounted = true;
651 Can_Be_Wiped = true;
652
Dees_Troy5bf43922012-09-07 16:07:55 -0400653 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -0400654 Make_Dir(Mount_Point, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400655 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
656 Backup_Name = Display_Name;
657 Backup_Method = FILES;
658}
659
660void TWPartition::Setup_Image(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400661 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
662 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -0800663 if (Current_File_System == "emmc")
Dees_Troy5bf43922012-09-07 16:07:55 -0400664 Backup_Method = DD;
Gary Peck82599a82012-11-21 16:23:12 -0800665 else if (Current_File_System == "mtd" || Current_File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400666 Backup_Method = FLASH_UTILS;
667 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000668 LOGINFO("Unhandled file system '%s' on image '%s'\n", Current_File_System.c_str(), Display_Name.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400669 if (Find_Partition_Size()) {
670 Used = Size;
671 Backup_Size = Size;
Dees_Troy51a0e822012-09-05 15:24:24 -0400672 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400673 if (Display_Error)
Dees Troyd932ce12013-10-18 17:12:59 +0000674 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400675 else
Dees Troyd932ce12013-10-18 17:12:59 +0000676 LOGINFO("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy51a0e822012-09-05 15:24:24 -0400677 }
678}
679
Dees_Troye58d5262012-09-21 12:27:57 -0400680void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500681 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -0400682 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -0500683 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -0400684 Has_Android_Secure = true;
685 Symlink_Path = Mount_Point + "/.android_secure";
686 Symlink_Mount_Point = "/and-sec";
687 Backup_Path = Symlink_Mount_Point;
688 Make_Dir("/and-sec", true);
689 Recreate_AndSec_Folder();
Ethan Yonkerd4d10732014-02-03 15:27:52 -0600690 Mount_Storage_Retry();
Dees_Troye58d5262012-09-21 12:27:57 -0400691}
692
that9e0593e2014-10-08 00:01:24 +0200693void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -0500694 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
695 Storage_Name = "Internal Storage";
696 Has_Data_Media = true;
697 Is_Storage = true;
698 Is_Settings_Storage = true;
699 Storage_Path = "/data/media";
700 Symlink_Path = Storage_Path;
701 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
702 Make_Dir("/emmc", false);
703 Symlink_Mount_Point = "/emmc";
704 } else {
705 Make_Dir("/sdcard", false);
706 Symlink_Mount_Point = "/sdcard";
707 }
708 if (Mount(false) && TWFunc::Path_Exists("/data/media/0")) {
709 Storage_Path = "/data/media/0";
710 Symlink_Path = Storage_Path;
711 DataManager::SetValue(TW_INTERNAL_PATH, "/data/media/0");
712 UnMount(true);
713 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500714 DataManager::SetValue("tw_has_internal", 1);
715 DataManager::SetValue("tw_has_data_media", 1);
716 du.add_absolute_dir("/data/media");
717}
718
Dees_Troy5bf43922012-09-07 16:07:55 -0400719void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
720 char device[512], realDevice[512];
721
722 strcpy(device, Block.c_str());
723 memset(realDevice, 0, sizeof(realDevice));
724 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
725 {
726 strcpy(device, realDevice);
727 memset(realDevice, 0, sizeof(realDevice));
728 }
729
730 if (device[0] != '/') {
731 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000732 LOGERR("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400733 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000734 LOGINFO("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400735 return;
Dees_Troy51a0e822012-09-05 15:24:24 -0400736 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400737 Block = device;
738 return;
739 }
740}
741
Dees_Troy8e337f32012-10-13 22:07:49 -0400742void TWPartition::Mount_Storage_Retry(void) {
743 // On some devices, storage doesn't want to mount right away, retry and sleep
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500744 if (!Mount(true)) {
Dees_Troy8e337f32012-10-13 22:07:49 -0400745 int retry_count = 5;
746 while (retry_count > 0 && !Mount(false)) {
747 usleep(500000);
748 retry_count--;
749 }
750 Mount(true);
751 }
752}
753
Dees_Troy38bd7602012-09-14 13:33:53 -0400754bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
755 FILE *fp = NULL;
756 char line[255];
757
758 fp = fopen("/proc/mtd", "rt");
759 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000760 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400761 return false;
762 }
763
764 while (fgets(line, sizeof(line), fp) != NULL)
765 {
766 char device[32], label[32];
767 unsigned long size = 0;
768 char* fstype = NULL;
769 int deviceId;
770
771 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
772
773 // Skip header and blank lines
774 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
775 continue;
776
777 // Strip off the trailing " from the label
778 label[strlen(label)-1] = '\0';
779
780 if (strcmp(label, MTD_Name.c_str()) == 0) {
781 // We found our device
782 // Strip off the trailing : from the device
783 device[strlen(device)-1] = '\0';
784 if (sscanf(device,"mtd%d", &deviceId) == 1) {
785 sprintf(device, "/dev/block/mtdblock%d", deviceId);
786 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +0000787 fclose(fp);
788 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -0400789 }
790 }
791 }
792 fclose(fp);
793
794 return false;
795}
796
Dees_Troy51127312012-09-08 13:08:49 -0400797bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
798 struct statfs st;
799 string Local_Path = Mount_Point + "/.";
800
801 if (!Mount(Display_Error))
802 return false;
803
804 if (statfs(Local_Path.c_str(), &st) != 0) {
805 if (!Removable) {
806 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000807 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400808 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000809 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400810 }
811 return false;
812 }
813 Size = (st.f_blocks * st.f_bsize);
814 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
815 Free = (st.f_bfree * st.f_bsize);
816 Backup_Size = Used;
817 return true;
818}
819
820bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400821 FILE* fp;
822 char command[255], line[512];
823 int include_block = 1;
824 unsigned int min_len;
825
826 if (!Mount(Display_Error))
827 return false;
828
Dees_Troy38bd7602012-09-14 13:33:53 -0400829 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -0400830 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +0200831 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -0400832 fp = fopen("/tmp/dfoutput.txt", "rt");
833 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000834 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -0400835 return false;
Dees_Troy51127312012-09-08 13:08:49 -0400836 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400837
838 while (fgets(line, sizeof(line), fp) != NULL)
839 {
840 unsigned long blocks, used, available;
841 char device[64];
842 char tmpString[64];
843
844 if (strncmp(line, "Filesystem", 10) == 0)
845 continue;
846 if (strlen(line) < min_len) {
847 include_block = 0;
848 continue;
849 }
850 if (include_block) {
851 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
852 } else {
853 // The device block string is so long that the df information is on the next line
854 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -0400855 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400856 while (tmpString[space_count] == 32)
857 space_count++;
858 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
859 }
860
861 // Adjust block size to byte size
862 Size = blocks * 1024ULL;
863 Used = used * 1024ULL;
864 Free = available * 1024ULL;
865 Backup_Size = Used;
866 }
867 fclose(fp);
868 return true;
869}
870
Dees_Troy5bf43922012-09-07 16:07:55 -0400871bool TWPartition::Find_Partition_Size(void) {
872 FILE* fp;
873 char line[512];
874 string tmpdevice;
875
igoriok87e3d932013-01-31 21:03:53 +0200876 fp = fopen("/proc/dumchar_info", "rt");
877 if (fp != NULL) {
878 while (fgets(line, sizeof(line), fp) != NULL)
879 {
880 char label[32], device[32];
881 unsigned long size = 0;
882
thatd43bf2d2014-09-21 23:13:02 +0200883 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +0200884
bigbiff bigbiff34684ff2013-12-01 21:03:45 -0500885 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +0200886 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
887 continue;
888
889 tmpdevice = "/dev/";
890 tmpdevice += label;
891 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
892 Size = size;
893 fclose(fp);
894 return true;
895 }
896 }
897 }
898
Dees_Troy5bf43922012-09-07 16:07:55 -0400899 // In this case, we'll first get the partitions we care about (with labels)
900 fp = fopen("/proc/partitions", "rt");
901 if (fp == NULL)
902 return false;
903
904 while (fgets(line, sizeof(line), fp) != NULL)
905 {
906 unsigned long major, minor, blocks;
907 char device[512];
908 char tmpString[64];
909
Dees_Troy63c8df72012-09-10 14:02:05 -0400910 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -0400911 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
912
913 tmpdevice = "/dev/block/";
914 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -0400915 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400916 // Adjust block size to byte size
917 Size = blocks * 1024ULL;
918 fclose(fp);
919 return true;
920 }
921 }
922 fclose(fp);
923 return false;
924}
925
Dees_Troy5bf43922012-09-07 16:07:55 -0400926bool TWPartition::Is_Mounted(void) {
927 if (!Can_Be_Mounted)
928 return false;
929
930 struct stat st1, st2;
931 string test_path;
932
933 // Check to see if the mount point directory exists
934 test_path = Mount_Point + "/.";
935 if (stat(test_path.c_str(), &st1) != 0) return false;
936
937 // Check to see if the directory above the mount point exists
938 test_path = Mount_Point + "/../.";
939 if (stat(test_path.c_str(), &st2) != 0) return false;
940
941 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
942 int ret = (st1.st_dev != st2.st_dev) ? true : false;
943
944 return ret;
945}
946
947bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000948 int exfat_mounted = 0;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500949 unsigned long flags = Mount_Flags;
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000950
Dees_Troy5bf43922012-09-07 16:07:55 -0400951 if (Is_Mounted()) {
952 return true;
953 } else if (!Can_Be_Mounted) {
954 return false;
955 }
Dees_Troy38bd7602012-09-14 13:33:53 -0400956
957 Find_Actual_Block_Device();
958
959 // Check the current file system before mounting
960 Check_FS_Type();
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000961 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/exfat-fuse")) {
Dees_Troye34c1332013-02-06 19:13:00 +0000962 string cmd = "/sbin/exfat-fuse -o big_writes,max_read=131072,max_write=131072 " + Actual_Block_Device + " " + Mount_Point;
Dees_Troy2673cec2013-04-02 20:22:16 +0000963 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000964 string result;
965 if (TWFunc::Exec_Cmd(cmd, result) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000966 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000967 Current_File_System = "vfat";
968 } else {
969#ifdef TW_NO_EXFAT_FUSE
970 UnMount(false);
971 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
972 // Some kernels let us mount vfat as exfat which doesn't work out too well
973#else
974 exfat_mounted = 1;
975#endif
976 }
977 }
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500978
Ethan Yonkerb81d9052015-07-09 13:20:53 -0500979 if (Current_File_System == "ntfs" && TWFunc::Path_Exists("/sbin/ntfs-3g")) {
980 string cmd;
981 if (Mount_Read_Only)
982 cmd = "/sbin/ntfs-3g -o ro " + Actual_Block_Device + " " + Mount_Point;
983 else
984 cmd = "/sbin/ntfs-3g " + Actual_Block_Device + " " + Mount_Point;
985 LOGINFO("cmd: '%s'\n", cmd.c_str());
986 if (TWFunc::Exec_Cmd(cmd) == 0) {
987 return true;
988 } else {
989 LOGINFO("ntfs-3g failed to mount, trying regular mount method.\n");
990 }
991 }
992
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500993 if (Mount_Read_Only)
994 flags |= MS_RDONLY;
995
Dees_Troy22042032012-12-18 21:23:08 +0000996 if (Fstab_File_System == "yaffs2") {
997 // mount an MTD partition as a YAFFS2 filesystem.
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500998 flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
999 if (Mount_Read_Only)
1000 flags |= MS_RDONLY;
Dees_Troy76543db2013-06-19 16:24:30 +00001001 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
1002 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
1003 if (Display_Error)
1004 LOGERR("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1005 else
1006 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1007 return false;
1008 } else {
1009 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
1010 return true;
1011 }
1012 } else {
1013 struct stat st;
1014 string test_path = Mount_Point;
1015 if (stat(test_path.c_str(), &st) < 0) {
1016 if (Display_Error)
1017 LOGERR("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1018 else
1019 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1020 return false;
1021 }
1022 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
1023 if (new_mode != st.st_mode) {
1024 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
1025 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
1026 if (Display_Error)
1027 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1028 else
1029 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1030 return false;
1031 }
1032 }
Dees_Troy22042032012-12-18 21:23:08 +00001033 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001034 }
thatc7572eb2015-03-31 18:55:30 +02001035 }
1036
1037 string mount_fs = Current_File_System;
1038 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sys/module/texfat"))
1039 mount_fs = "texfat";
1040
1041 if (!exfat_mounted &&
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001042 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, Mount_Options.c_str()) != 0 &&
1043 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001044#ifdef TW_NO_EXFAT_FUSE
1045 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001046 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001047 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001048 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001049 LOGERR("Unable to mount '%s'\n", Mount_Point.c_str());
Dees_Troy85f44ed2013-01-09 18:42:36 +00001050 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001051 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001052 LOGINFO("Actual block device: '%s', current file system: '%s', flags: 0x%8x, options: '%s'\n", Actual_Block_Device.c_str(), Current_File_System.c_str(), flags, Mount_Options.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001053 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001054 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001055 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001056#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001057 if (!Removable && Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001058 LOGERR("Unable to mount '%s'\n", Mount_Point.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001059 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001060 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1061 LOGINFO("Actual block device: '%s', current file system: '%s'\n", Actual_Block_Device.c_str(), Current_File_System.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001062 return false;
1063#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001064 }
1065#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001066 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001067
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001068 if (Removable)
1069 Update_Size(Display_Error);
1070
xiaolu9416f4f2015-06-04 08:22:23 +08001071 if (!Symlink_Mount_Point.empty() && TWFunc::Path_Exists(Symlink_Path)) {
codelover2a3d4ce2015-03-14 20:26:49 +08001072 string Command = "mount -o bind '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
Vojtech Bocek05534202013-09-11 08:11:56 +02001073 TWFunc::Exec_Cmd(Command);
Dees_Troy5bf43922012-09-07 16:07:55 -04001074 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001075 return true;
1076}
1077
1078bool TWPartition::UnMount(bool Display_Error) {
1079 if (Is_Mounted()) {
1080 int never_unmount_system;
1081
1082 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
1083 if (never_unmount_system == 1 && Mount_Point == "/system")
1084 return true; // Never unmount system if you're not supposed to unmount it
1085
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001086 if (Is_Storage)
Ethan Yonker726a0202014-12-16 20:01:38 -06001087 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001088
Dees_Troy38bd7602012-09-14 13:33:53 -04001089 if (!Symlink_Mount_Point.empty())
1090 umount(Symlink_Mount_Point.c_str());
1091
Dees_Troyb05ddee2013-01-28 20:24:50 +00001092 umount(Mount_Point.c_str());
1093 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001094 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001095 LOGERR("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001096 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001097 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001098 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001099 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001100 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001101 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001102 } else {
1103 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001104 }
1105}
1106
Gary Peck43acadf2012-11-21 21:19:01 -08001107bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001108 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b312013-01-15 16:51:18 +00001109 int check;
1110 string Layout_Filename = Mount_Point + "/.layout_version";
1111
Dees_Troy38bd7602012-09-14 13:33:53 -04001112 if (!Can_Be_Wiped) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001113 LOGERR("Partition '%s' cannot be wiped.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001114 return false;
1115 }
1116
Dees_Troyc51f1f92012-09-20 15:32:13 -04001117 if (Mount_Point == "/cache")
Dees_Troy2673cec2013-04-02 20:22:16 +00001118 Log_Offset = 0;
Dees_Troyc51f1f92012-09-20 15:32:13 -04001119
Dees_Troy16c2b312013-01-15 16:51:18 +00001120 if (Retain_Layout_Version && Mount(false) && TWFunc::Path_Exists(Layout_Filename))
1121 TWFunc::copy_file(Layout_Filename, "/.layout_version", 0600);
1122 else
1123 unlink("/.layout_version");
Dees_Troy38bd7602012-09-14 13:33:53 -04001124
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001125 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001126 wiped = Wipe_Data_Without_Wiping_Media();
Ethan Yonker5eac2222014-06-11 12:22:55 -05001127 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001128 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001129 DataManager::GetValue(TW_RM_RF_VAR, check);
1130
Hashcodedabfd492013-08-29 22:45:30 -07001131 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001132 wiped = Wipe_RMRF();
1133 else if (New_File_System == "ext4")
1134 wiped = Wipe_EXT4();
1135 else if (New_File_System == "ext2" || New_File_System == "ext3")
1136 wiped = Wipe_EXT23(New_File_System);
1137 else if (New_File_System == "vfat")
1138 wiped = Wipe_FAT();
1139 else if (New_File_System == "exfat")
1140 wiped = Wipe_EXFAT();
1141 else if (New_File_System == "yaffs2")
1142 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001143 else if (New_File_System == "f2fs")
1144 wiped = Wipe_F2FS();
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001145 else if (New_File_System == "ntfs")
1146 wiped = Wipe_NTFS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001147 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001148 LOGERR("Unable to wipe '%s' -- unknown file system '%s'\n", Mount_Point.c_str(), New_File_System.c_str());
Dees_Troy16c2b312013-01-15 16:51:18 +00001149 unlink("/.layout_version");
1150 return false;
1151 }
1152 update_crypt = wiped;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001153 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001154
Gary Pecke8bc5d72012-12-21 06:45:25 -08001155 if (wiped) {
Dees_Troy1c1ac442013-01-17 21:42:14 +00001156 if (Mount_Point == "/cache")
1157 DataManager::Output_Version();
1158
Dees_Troy16c2b312013-01-15 16:51:18 +00001159 if (TWFunc::Path_Exists("/.layout_version") && Mount(false))
1160 TWFunc::copy_file("/.layout_version", Layout_Filename, 0600);
1161
1162 if (update_crypt) {
1163 Setup_File_System(false);
1164 if (Is_Encrypted && !Is_Decrypted) {
1165 // just wiped an encrypted partition back to its unencrypted state
1166 Is_Encrypted = false;
1167 Is_Decrypted = false;
1168 Decrypted_Block_Device = "";
1169 if (Mount_Point == "/data") {
1170 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1171 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1172 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001173 }
1174 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001175
1176 if (Mount_Point == "/data" && Has_Data_Media && recreate_media) {
1177 Recreate_Media_Folder();
1178 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001179 }
Ethan Yonker726a0202014-12-16 20:01:38 -06001180 if (Is_Storage) {
1181 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001182 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001183 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001184}
1185
Gary Peck43acadf2012-11-21 21:19:01 -08001186bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001187 if (Is_File_System(Current_File_System))
1188 return Wipe(Current_File_System);
1189 else
1190 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001191}
1192
Dees_Troye58d5262012-09-21 12:27:57 -04001193bool TWPartition::Wipe_AndSec(void) {
1194 if (!Has_Android_Secure)
1195 return false;
1196
Dees_Troye58d5262012-09-21 12:27:57 -04001197 if (!Mount(true))
1198 return false;
1199
Dees_Troy2673cec2013-04-02 20:22:16 +00001200 gui_print("Wiping %s\n", Backup_Display_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001201 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001202 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001203}
1204
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001205bool TWPartition::Can_Repair() {
Ethan Yonkera2719152015-05-28 09:44:41 -05001206 if (Mount_Read_Only)
1207 return false;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001208 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/sbin/dosfsck"))
1209 return true;
1210 else if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/e2fsck"))
1211 return true;
1212 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/fsck.exfat"))
1213 return true;
1214 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/sbin/fsck.f2fs"))
1215 return true;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001216 else if (Current_File_System == "ntfs" && TWFunc::Path_Exists("/sbin/ntfsfix"))
1217 return true;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001218 return false;
1219}
1220
1221bool TWPartition::Repair() {
1222 string command;
1223
1224 if (Current_File_System == "vfat") {
1225 if (!TWFunc::Path_Exists("/sbin/dosfsck")) {
1226 gui_print("dosfsck does not exist! Cannot repair!\n");
1227 return false;
1228 }
1229 if (!UnMount(true))
1230 return false;
1231 gui_print("Repairing %s using dosfsck...\n", Display_Name.c_str());
1232 Find_Actual_Block_Device();
1233 command = "/sbin/dosfsck -y " + Actual_Block_Device;
1234 LOGINFO("Repair command: %s\n", command.c_str());
1235 if (TWFunc::Exec_Cmd(command) == 0) {
1236 gui_print("Done.\n");
1237 return true;
1238 } else {
1239 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1240 return false;
1241 }
1242 }
1243 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1244 if (!TWFunc::Path_Exists("/sbin/e2fsck")) {
1245 gui_print("e2fsck does not exist! Cannot repair!\n");
1246 return false;
1247 }
1248 if (!UnMount(true))
1249 return false;
1250 gui_print("Repairing %s using e2fsck...\n", Display_Name.c_str());
1251 Find_Actual_Block_Device();
Ethan Yonkera2719152015-05-28 09:44:41 -05001252 command = "/sbin/e2fsck -fp " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001253 LOGINFO("Repair command: %s\n", command.c_str());
1254 if (TWFunc::Exec_Cmd(command) == 0) {
1255 gui_print("Done.\n");
1256 return true;
1257 } else {
1258 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1259 return false;
1260 }
1261 }
1262 if (Current_File_System == "exfat") {
1263 if (!TWFunc::Path_Exists("/sbin/fsck.exfat")) {
1264 gui_print("fsck.exfat does not exist! Cannot repair!\n");
1265 return false;
1266 }
1267 if (!UnMount(true))
1268 return false;
1269 gui_print("Repairing %s using fsck.exfat...\n", Display_Name.c_str());
1270 Find_Actual_Block_Device();
1271 command = "/sbin/fsck.exfat " + Actual_Block_Device;
1272 LOGINFO("Repair command: %s\n", command.c_str());
1273 if (TWFunc::Exec_Cmd(command) == 0) {
1274 gui_print("Done.\n");
1275 return true;
1276 } else {
1277 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1278 return false;
1279 }
1280 }
1281 if (Current_File_System == "f2fs") {
1282 if (!TWFunc::Path_Exists("/sbin/fsck.f2fs")) {
1283 gui_print("fsck.f2fs does not exist! Cannot repair!\n");
1284 return false;
1285 }
1286 if (!UnMount(true))
1287 return false;
1288 gui_print("Repairing %s using fsck.f2fs...\n", Display_Name.c_str());
1289 Find_Actual_Block_Device();
1290 command = "/sbin/fsck.f2fs " + Actual_Block_Device;
1291 LOGINFO("Repair command: %s\n", command.c_str());
1292 if (TWFunc::Exec_Cmd(command) == 0) {
1293 gui_print("Done.\n");
1294 return true;
1295 } else {
1296 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1297 return false;
1298 }
1299 }
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001300 if (Current_File_System == "ntfs") {
1301 if (!TWFunc::Path_Exists("/sbin/ntfsfix")) {
1302 gui_print("ntfsfix does not exist! Cannot repair!\n");
1303 return false;
1304 }
1305 if (!UnMount(true))
1306 return false;
1307 gui_print("Repairing %s using ntfsfix...\n", Display_Name.c_str());
1308 Find_Actual_Block_Device();
1309 command = "/sbin/ntfsfix " + Actual_Block_Device;
1310 LOGINFO("Repair command: %s\n", command.c_str());
1311 if (TWFunc::Exec_Cmd(command) == 0) {
1312 gui_print("Done.\n");
1313 return true;
1314 } else {
1315 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1316 return false;
1317 }
1318 }
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001319 return false;
1320}
1321
Ethan Yonkera2719152015-05-28 09:44:41 -05001322bool TWPartition::Can_Resize() {
1323 if (Mount_Read_Only)
1324 return false;
1325 if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/resize2fs"))
1326 return true;
1327 return false;
1328}
1329
1330bool TWPartition::Resize() {
1331 string command;
1332
1333 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1334 if (!Can_Repair()) {
1335 LOGERR("Cannot resize %s because %s cannot be repaired before resizing.\n", Display_Name.c_str(), Display_Name.c_str());
1336 return false;
1337 }
1338 if (!TWFunc::Path_Exists("/sbin/resize2fs")) {
1339 gui_print("resize2fs does not exist! Cannot resize!\n");
1340 return false;
1341 }
1342 // Repair will unmount so no need to do it twice
1343 gui_print("Repairing %s before resizing.\n", Display_Name.c_str());
1344 if (!Repair())
1345 return false;
1346 gui_print("Resizing %s using resize2fs...\n", Display_Name.c_str());
1347 Find_Actual_Block_Device();
1348 command = "/sbin/resize2fs " + Actual_Block_Device;
1349 if (Length != 0) {
1350 unsigned int block_device_size;
1351 int fd, ret;
1352
1353 fd = open(Actual_Block_Device.c_str(), O_RDONLY);
1354 if (fd < 0) {
1355 LOGERR("Resize: Failed to open '%s'\n", Actual_Block_Device.c_str());
1356 return false;
1357 }
1358 ret = ioctl(fd, BLKGETSIZE, &block_device_size);
1359 close(fd);
1360 if (ret) {
1361 LOGERR("Resize: ioctl error\n");
1362 return false;
1363 }
1364 unsigned long long Actual_Size = (unsigned long long)(block_device_size) * 512LLU;
1365 unsigned long long Block_Count;
1366 if (Length < 0) {
1367 // Reduce overall size by this length
1368 Block_Count = (Actual_Size / 1024LLU) - ((unsigned long long)(Length * -1) / 1024LLU);
1369 } else {
1370 // This is the size, not a size reduction
1371 Block_Count = ((unsigned long long)(Length) / 1024LLU);
1372 }
1373 char temp[256];
1374 sprintf(temp, "%llu", Block_Count);
1375 command += " ";
1376 command += temp;
1377 command += "K";
1378 }
1379 LOGINFO("Resize command: %s\n", command.c_str());
1380 if (TWFunc::Exec_Cmd(command) == 0) {
1381 Update_Size(true);
1382 gui_print("Done.\n");
1383 return true;
1384 } else {
1385 Update_Size(true);
1386 LOGERR("Unable to resize '%s'.\n", Mount_Point.c_str());
1387 return false;
1388 }
1389 }
1390 return false;
1391}
1392
bigbiff7abc5fe2015-01-17 16:53:12 -05001393bool TWPartition::Backup(string backup_folder, const unsigned long long *overall_size, const unsigned long long *other_backups_size, pid_t &tar_fork_pid) {
1394 if (Backup_Method == FILES) {
1395 return Backup_Tar(backup_folder, overall_size, other_backups_size, tar_fork_pid);
1396 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001397 else if (Backup_Method == DD)
1398 return Backup_DD(backup_folder);
1399 else if (Backup_Method == FLASH_UTILS)
1400 return Backup_Dump_Image(backup_folder);
Dees_Troy2673cec2013-04-02 20:22:16 +00001401 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001402 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001403}
1404
Dees_Troy43d8b002012-09-17 16:00:01 -04001405bool TWPartition::Check_MD5(string restore_folder) {
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001406 string Full_Filename, md5file;
Dees_Troy43d8b002012-09-17 16:00:01 -04001407 char split_filename[512];
1408 int index = 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001409 twrpDigest md5sum;
Dees_Troy43d8b002012-09-17 16:00:01 -04001410
Captain Throwbackff5935f2014-09-23 16:08:34 -04001411 sync();
1412
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001413 memset(split_filename, 0, sizeof(split_filename));
Dees_Troy43d8b002012-09-17 16:00:01 -04001414 Full_Filename = restore_folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04001415 if (!TWFunc::Path_Exists(Full_Filename)) {
1416 // This is a split archive, we presume
1417 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
Dees_Troy2673cec2013-04-02 20:22:16 +00001418 LOGINFO("split_filename: %s\n", split_filename);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001419 md5file = split_filename;
1420 md5file += ".md5";
1421 if (!TWFunc::Path_Exists(md5file)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001422 LOGERR("No md5 file found for '%s'.\n", split_filename);
1423 LOGERR("Please unselect Enable MD5 verification to restore.\n");
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001424 return false;
1425 }
1426 md5sum.setfn(split_filename);
Dees_Troy83bd4832013-05-04 12:39:56 +00001427 while (index < 1000) {
1428 if (TWFunc::Path_Exists(split_filename) && md5sum.verify_md5digest() != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001429 LOGERR("MD5 failed to match on '%s'.\n", split_filename);
Dees_Troy43d8b002012-09-17 16:00:01 -04001430 return false;
1431 }
1432 index++;
1433 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001434 md5sum.setfn(split_filename);
Dees_Troy43d8b002012-09-17 16:00:01 -04001435 }
Dees_Troy4a2a1262012-09-18 09:33:47 -04001436 return true;
Dees_Troy43d8b002012-09-17 16:00:01 -04001437 } else {
1438 // Single file archive
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001439 md5file = Full_Filename + ".md5";
1440 if (!TWFunc::Path_Exists(md5file)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001441 LOGERR("No md5 file found for '%s'.\n", Full_Filename.c_str());
1442 LOGERR("Please unselect Enable MD5 verification to restore.\n");
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001443 return false;
1444 }
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001445 md5sum.setfn(Full_Filename);
1446 if (md5sum.verify_md5digest() != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001447 LOGERR("MD5 failed to match on '%s'.\n", Full_Filename.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001448 return false;
1449 } else
1450 return true;
1451 }
1452 return false;
1453}
1454
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001455bool TWPartition::Restore(string restore_folder, const unsigned long long *total_restore_size, unsigned long long *already_restored_size) {
Gary Peck43acadf2012-11-21 21:19:01 -08001456 string Restore_File_System;
1457
1458 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
Dees_Troy2673cec2013-04-02 20:22:16 +00001459 LOGINFO("Restore filename is: %s\n", Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08001460
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001461 Restore_File_System = Get_Restore_File_System(restore_folder);
1462
1463 if (Is_File_System(Restore_File_System))
1464 return Restore_Tar(restore_folder, Restore_File_System, total_restore_size, already_restored_size);
1465 else if (Is_Image(Restore_File_System)) {
Ethan Yonkerf66324f2015-01-09 16:46:57 -06001466 return Restore_Image(restore_folder, total_restore_size, already_restored_size, Restore_File_System);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001467 }
1468
1469 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
1470 return false;
1471}
1472
1473string TWPartition::Get_Restore_File_System(string restore_folder) {
1474 size_t first_period, second_period;
1475 string Restore_File_System;
1476
Gary Peck43acadf2012-11-21 21:19:01 -08001477 // Parse backup filename to extract the file system before wiping
1478 first_period = Backup_FileName.find(".");
1479 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001480 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001481 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001482 }
1483 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
1484 second_period = Restore_File_System.find(".");
1485 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001486 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001487 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001488 }
1489 Restore_File_System.resize(second_period);
Dees_Troy2673cec2013-04-02 20:22:16 +00001490 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001491 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04001492}
1493
1494string TWPartition::Backup_Method_By_Name() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001495 if (Backup_Method == NONE)
1496 return "none";
1497 else if (Backup_Method == FILES)
1498 return "files";
1499 else if (Backup_Method == DD)
1500 return "dd";
1501 else if (Backup_Method == FLASH_UTILS)
1502 return "flash_utils";
1503 else
1504 return "undefined";
1505 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04001506}
1507
1508bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001509 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001510 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04001511 return 1;
1512}
1513
1514bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001515 bool Save_Data_Media = Has_Data_Media;
1516
1517 if (!UnMount(true))
1518 return false;
1519
Dees_Troy38bd7602012-09-14 13:33:53 -04001520 Has_Data_Media = false;
Dees_Troy74fb2e92013-04-15 14:35:47 +00001521 Decrypted_Block_Device = "";
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001522#ifdef TW_INCLUDE_CRYPTO
1523 if (Is_Decrypted) {
1524 if (!UnMount(true))
1525 return false;
Matt Mower2b18a532015-02-20 16:58:05 -06001526 if (delete_crypto_blk_dev((char*)("userdata")) != 0) {
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001527 LOGERR("Error deleting crypto block device, continuing anyway.\n");
1528 }
1529 }
1530#endif
Dees_Troy74fb2e92013-04-15 14:35:47 +00001531 Is_Decrypted = false;
1532 Is_Encrypted = false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001533 Find_Actual_Block_Device();
Ethan Yonkerbc85b632015-08-09 12:48:14 -05001534 if (Crypto_Key_Location == "footer") {
1535 int newlen, fd;
1536 if (Length != 0) {
1537 newlen = Length;
1538 if (newlen < 0)
1539 newlen = newlen * -1;
1540 } else {
1541 newlen = CRYPT_FOOTER_OFFSET;
1542 }
1543 if ((fd = open(Actual_Block_Device.c_str(), O_RDWR)) < 0) {
1544 gui_print_color("warning", "Unable to open '%s' to wipe crypto key\n", Actual_Block_Device.c_str());
1545 } else {
1546 unsigned int block_count;
1547 if ((ioctl(fd, BLKGETSIZE, &block_count)) == -1) {
1548 gui_print_color("warning", "Unable to get block size for wiping crypto footer.\n");
1549 } else {
1550 off64_t offset = ((off64_t)block_count * 512) - newlen;
1551 if (lseek64(fd, offset, SEEK_SET) == -1) {
1552 gui_print_color("warning", "Unable to lseek64 for wiping crypto footer.\n");
1553 } else {
1554 void* buffer = malloc(newlen);
1555 if (!buffer) {
1556 gui_print_color("warning", "Failed to malloc for wiping crypto footer.\n");
1557 } else {
1558 memset(buffer, 0, newlen);
1559 int ret = write(fd, buffer, newlen);
1560 if (ret != newlen) {
1561 gui_print_color("warning", "Failed to wipe crypto footer.\n");
1562 } else {
1563 LOGINFO("Successfully wiped crypto footer.\n");
1564 }
1565 }
1566 }
1567 }
1568 close(fd);
1569 }
1570 } else {
1571 string Command = "flash_image " + Crypto_Key_Location + " /dev/zero";
1572 TWFunc::Exec_Cmd(Command);
1573 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001574 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001575 Has_Data_Media = Save_Data_Media;
1576 if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
1577 Recreate_Media_Folder();
Ethan Yonker726a0202014-12-16 20:01:38 -06001578 if (Mount(false))
1579 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001580 }
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001581 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05001582#ifndef TW_OEM_BUILD
Dees_Troy2673cec2013-04-02 20:22:16 +00001583 gui_print("You may need to reboot recovery to be able to use /data again.\n");
Ethan Yonker83e82572014-04-04 10:59:28 -05001584#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001585 return true;
1586 } else {
1587 Has_Data_Media = Save_Data_Media;
Dees_Troy2673cec2013-04-02 20:22:16 +00001588 LOGERR("Unable to format to remove encryption.\n");
Ethan Yonker726a0202014-12-16 20:01:38 -06001589 if (Has_Data_Media && Mount(false))
1590 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001591 return false;
1592 }
1593 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001594}
1595
1596void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001597 const char* type;
1598 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04001599
Dees_Troy68cab492012-12-12 19:29:35 +00001600 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
1601 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04001602
Dees_Troy38bd7602012-09-14 13:33:53 -04001603 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04001604 if (!Is_Present)
1605 return;
Dees_Troy51127312012-09-08 13:08:49 -04001606
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001607 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
1608 if (blkid_do_fullprobe(pr)) {
1609 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001610 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001611 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04001612 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001613
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05001614 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001615 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001616 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001617 return;
1618 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001619
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001620 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001621 blkid_free_probe(pr);
Dees_Troy51a0e822012-09-05 15:24:24 -04001622}
1623
Gary Peck43acadf2012-11-21 21:19:01 -08001624bool TWPartition::Wipe_EXT23(string File_System) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001625 if (!UnMount(true))
1626 return false;
1627
Dees_Troy43d8b002012-09-17 16:00:01 -04001628 if (TWFunc::Path_Exists("/sbin/mke2fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001629 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001630
Dees_Troy2673cec2013-04-02 20:22:16 +00001631 gui_print("Formatting %s using mke2fs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001632 Find_Actual_Block_Device();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001633 command = "mke2fs -t " + File_System + " -m 0 " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001634 LOGINFO("mke2fs command: %s\n", command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001635 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001636 Current_File_System = File_System;
Dees_Troye58d5262012-09-21 12:27:57 -04001637 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001638 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001639 return true;
1640 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001641 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001642 return false;
1643 }
1644 } else
1645 return Wipe_RMRF();
1646
1647 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001648}
1649
1650bool TWPartition::Wipe_EXT4() {
Ethan Yonker25f20c12014-10-14 09:04:43 -05001651 Find_Actual_Block_Device();
1652 if (!Is_Present) {
1653 LOGERR("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
1654 return false;
1655 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001656 if (!UnMount(true))
1657 return false;
1658
Dees_Troyb3265ab2013-08-30 02:59:14 +00001659#if defined(HAVE_SELINUX) && defined(USE_EXT4)
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001660 int ret;
1661 char *secontext = NULL;
1662
Dees_Troya95f55c2013-08-17 13:14:43 +00001663 gui_print("Formatting %s using make_ext4fs function.\n", Display_Name.c_str());
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001664
Dees Troy99c8dbf2014-03-10 16:53:58 +00001665 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001666 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
1667 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), NULL);
1668 } else {
1669 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), selinux_handle);
1670 }
1671 if (ret != 0) {
Dees_Troya95f55c2013-08-17 13:14:43 +00001672 LOGERR("Unable to wipe '%s' using function call.\n", Mount_Point.c_str());
1673 return false;
1674 } else {
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04001675 string sedir = Mount_Point + "/lost+found";
1676 PartitionManager.Mount_By_Path(sedir.c_str(), true);
1677 rmdir(sedir.c_str());
1678 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00001679 return true;
1680 }
1681#else
Dees_Troy43d8b002012-09-17 16:00:01 -04001682 if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001683 string Command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001684
Dees_Troy2673cec2013-04-02 20:22:16 +00001685 gui_print("Formatting %s using make_ext4fs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001686 Find_Actual_Block_Device();
1687 Command = "make_ext4fs";
1688 if (!Is_Decrypted && Length != 0) {
1689 // Only use length if we're not decrypted
1690 char len[32];
1691 sprintf(len, "%i", Length);
1692 Command += " -l ";
1693 Command += len;
1694 }
Dees_Troy5295d582013-09-06 15:51:08 +00001695 if (TWFunc::Path_Exists("/file_contexts")) {
1696 Command += " -S /file_contexts";
1697 }
1698 Command += " -a " + Mount_Point + " " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001699 LOGINFO("make_ext4fs command: %s\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001700 if (TWFunc::Exec_Cmd(Command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001701 Current_File_System = "ext4";
Dees_Troye58d5262012-09-21 12:27:57 -04001702 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001703 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001704 return true;
1705 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001706 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001707 return false;
1708 }
1709 } else
Gary Peck43acadf2012-11-21 21:19:01 -08001710 return Wipe_EXT23("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00001711#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001712 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001713}
1714
1715bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001716 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001717
Dees_Troy43d8b002012-09-17 16:00:01 -04001718 if (TWFunc::Path_Exists("/sbin/mkdosfs")) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001719 if (!UnMount(true))
1720 return false;
1721
Dees_Troy2673cec2013-04-02 20:22:16 +00001722 gui_print("Formatting %s using mkdosfs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001723 Find_Actual_Block_Device();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001724 command = "mkdosfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001725 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001726 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04001727 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001728 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001729 return true;
1730 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001731 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001732 return false;
1733 }
1734 return true;
1735 }
1736 else
1737 return Wipe_RMRF();
1738
1739 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001740}
1741
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001742bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001743 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001744
1745 if (TWFunc::Path_Exists("/sbin/mkexfatfs")) {
1746 if (!UnMount(true))
1747 return false;
1748
Dees_Troy2673cec2013-04-02 20:22:16 +00001749 gui_print("Formatting %s using mkexfatfs...\n", Display_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001750 Find_Actual_Block_Device();
1751 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001752 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001753 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001754 gui_print("Done.\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001755 return true;
1756 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001757 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001758 return false;
1759 }
1760 return true;
1761 }
1762 return false;
1763}
1764
Dees_Troy38bd7602012-09-14 13:33:53 -04001765bool TWPartition::Wipe_MTD() {
1766 if (!UnMount(true))
1767 return false;
1768
Dees_Troy2673cec2013-04-02 20:22:16 +00001769 gui_print("MTD Formatting \"%s\"\n", MTD_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001770
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001771 mtd_scan_partitions();
1772 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
1773 if (mtd == NULL) {
1774 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
1775 return false;
1776 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001777
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001778 MtdWriteContext* ctx = mtd_write_partition(mtd);
1779 if (ctx == NULL) {
1780 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
1781 return false;
1782 }
1783 if (mtd_erase_blocks(ctx, -1) == -1) {
1784 mtd_write_close(ctx);
1785 LOGERR("Failed to format '%s'", MTD_Name.c_str());
1786 return false;
1787 }
1788 if (mtd_write_close(ctx) != 0) {
1789 LOGERR("Failed to close '%s'", MTD_Name.c_str());
1790 return false;
1791 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001792 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04001793 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001794 gui_print("Done.\n");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001795 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001796}
1797
1798bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001799 if (!Mount(true))
1800 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06001801 // This is the only wipe that leaves the partition mounted, so we
1802 // must manually remove the partition from MTP if it is a storage
1803 // partition.
1804 if (Is_Storage)
1805 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001806
Dees_Troy2673cec2013-04-02 20:22:16 +00001807 gui_print("Removing all files under '%s'\n", Mount_Point.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001808 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04001809 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001810 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001811}
1812
Dees_Troye5017042013-08-29 16:38:55 +00001813bool TWPartition::Wipe_F2FS() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001814 string command;
Dees_Troye5017042013-08-29 16:38:55 +00001815
1816 if (TWFunc::Path_Exists("/sbin/mkfs.f2fs")) {
1817 if (!UnMount(true))
1818 return false;
1819
1820 gui_print("Formatting %s using mkfs.f2fs...\n", Display_Name.c_str());
1821 Find_Actual_Block_Device();
dhacker29a3fa75f2015-01-17 19:42:33 -05001822 command = "mkfs.f2fs -t 1";
1823 if (!Is_Decrypted && Length != 0) {
1824 // Only use length if we're not decrypted
1825 char len[32];
1826 int mod_length = Length;
1827 if (Length < 0)
1828 mod_length *= -1;
1829 sprintf(len, "%i", mod_length);
1830 command += " -r ";
1831 command += len;
1832 }
1833 command += " " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001834 if (TWFunc::Exec_Cmd(command) == 0) {
Dees_Troye5017042013-08-29 16:38:55 +00001835 Recreate_AndSec_Folder();
1836 gui_print("Done.\n");
1837 return true;
1838 } else {
1839 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
1840 return false;
1841 }
1842 return true;
1843 } else {
1844 gui_print("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
1845 return Wipe_RMRF();
1846 }
1847 return false;
1848}
1849
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001850bool TWPartition::Wipe_NTFS() {
1851 string command;
1852
1853 if (TWFunc::Path_Exists("/sbin/mkntfs")) {
1854 if (!UnMount(true))
1855 return false;
1856
1857 gui_print("Formatting %s using mkntfs...\n", Display_Name.c_str());
1858 Find_Actual_Block_Device();
1859 command = "mkntfs " + Actual_Block_Device;
1860 if (TWFunc::Exec_Cmd(command) == 0) {
1861 Recreate_AndSec_Folder();
1862 gui_print("Done.\n");
1863 return true;
1864 } else {
1865 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
1866 return false;
1867 }
1868 return true;
1869 }
1870 return false;
1871}
1872
Dees_Troy51a0e822012-09-05 15:24:24 -04001873bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05001874#ifdef TW_OEM_BUILD
1875 // In an OEM Build we want to do a full format
1876 return Wipe_Encryption();
1877#else
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001878 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04001879
1880 // This handles wiping data on devices with "sdcard" in /data/media
1881 if (!Mount(true))
1882 return false;
1883
Dees_Troy2673cec2013-04-02 20:22:16 +00001884 gui_print("Wiping data without wiping /data/media ...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001885
1886 DIR* d;
1887 d = opendir("/data");
Dees_Troy16b74352012-11-14 22:27:31 +00001888 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001889 struct dirent* de;
1890 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001891 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
Dees_Troy16b74352012-11-14 22:27:31 +00001892 // The media folder is the "internal sdcard"
1893 // The .layout_version file is responsible for determining whether 4.2 decides up upgrade
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001894 // the media folder for multi-user.
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001895 //TODO: convert this to use twrpDU.cpp
Dees_Troy16b74352012-11-14 22:27:31 +00001896 if (strcmp(de->d_name, "media") == 0 || strcmp(de->d_name, ".layout_version") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001897
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001898 dir = "/data/";
1899 dir.append(de->d_name);
Dees_Troyce675462013-01-09 19:48:21 +00001900 if (de->d_type == DT_DIR) {
1901 TWFunc::removeDir(dir, false);
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05001902 } else if (de->d_type == DT_REG || de->d_type == DT_LNK || de->d_type == DT_FIFO || de->d_type == DT_SOCK) {
Dees_Troyce675462013-01-09 19:48:21 +00001903 if (!unlink(dir.c_str()))
Dees_Troy2673cec2013-04-02 20:22:16 +00001904 LOGINFO("Unable to unlink '%s'\n", dir.c_str());
Dees_Troyce675462013-01-09 19:48:21 +00001905 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001906 }
1907 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001908
Dees_Troy2673cec2013-04-02 20:22:16 +00001909 gui_print("Done.\n");
Dees_Troy16b74352012-11-14 22:27:31 +00001910 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001911 }
Dees_Troy2673cec2013-04-02 20:22:16 +00001912 gui_print("Dirent failed to open /data, error!\n");
Dees_Troy16b74352012-11-14 22:27:31 +00001913 return false;
Ethan Yonker83e82572014-04-04 10:59:28 -05001914#endif // ifdef TW_OEM_BUILD
Dees_Troy51a0e822012-09-05 15:24:24 -04001915}
1916
bigbiff7abc5fe2015-01-17 16:53:12 -05001917bool TWPartition::Backup_Tar(string backup_folder, const unsigned long long *overall_size, const unsigned long long *other_backups_size, pid_t &tar_fork_pid) {
Dees_Troy4a2a1262012-09-18 09:33:47 -04001918 char back_name[255], split_index[5];
1919 string Full_FileName, Split_FileName, Tar_Args, Command;
Dees_Troy83bd4832013-05-04 12:39:56 +00001920 int use_compression, use_encryption = 0, index, backup_count;
Dees_Troy4a2a1262012-09-18 09:33:47 -04001921 struct stat st;
Dees_Troy7c2dec82012-09-26 09:49:14 -04001922 unsigned long long total_bsize = 0, file_size;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001923 twrpTar tar;
1924 vector <string> files;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001925
Dees_Troy43d8b002012-09-17 16:00:01 -04001926 if (!Mount(true))
1927 return false;
1928
Dees_Troya13d74f2013-03-24 08:54:55 -05001929 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00001930 gui_print("Backing up %s...\n", Backup_Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001931
1932 DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
Dees_Troy83bd4832013-05-04 12:39:56 +00001933 tar.use_compression = use_compression;
Matt Mowerbb81e5d2014-03-20 18:05:41 -05001934
Dees_Troy83bd4832013-05-04 12:39:56 +00001935#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
1936 DataManager::GetValue("tw_encrypt_backup", use_encryption);
1937 if (use_encryption && Can_Encrypt_Backup) {
1938 tar.use_encryption = use_encryption;
1939 if (Use_Userdata_Encryption)
1940 tar.userdata_encryption = use_encryption;
Ethan Yonker87af5632014-02-10 11:56:35 -06001941 string Password;
1942 DataManager::GetValue("tw_backup_password", Password);
1943 tar.setpassword(Password);
Dees_Troy83bd4832013-05-04 12:39:56 +00001944 } else {
1945 use_encryption = false;
1946 }
1947#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04001948
1949 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1950 Backup_FileName = back_name;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001951 Full_FileName = backup_folder + "/" + Backup_FileName;
Dees_Troy83bd4832013-05-04 12:39:56 +00001952 tar.has_data_media = Has_Data_Media;
Dees Troye0a433a2013-12-02 04:10:37 +00001953 Full_FileName = backup_folder + "/" + Backup_FileName;
1954 tar.setdir(Backup_Path);
1955 tar.setfn(Full_FileName);
1956 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001957 tar.partition_name = Backup_Name;
1958 tar.backup_folder = backup_folder;
bigbiff7abc5fe2015-01-17 16:53:12 -05001959 if (tar.createTarFork(overall_size, other_backups_size, tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00001960 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04001961 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001962}
1963
1964bool TWPartition::Backup_DD(string backup_folder) {
codelover352b75e2015-03-29 02:44:07 +08001965 char back_name[255], block_size[32], dd_count[32];
1966 string Full_FileName, Command, DD_BS, DD_COUNT;
Dees_Troy43d8b002012-09-17 16:00:01 -04001967 int use_compression;
codelover352b75e2015-03-29 02:44:07 +08001968 unsigned long long DD_Block_Size, DD_Count;
Dees_Troy43d8b002012-09-17 16:00:01 -04001969
codelover352b75e2015-03-29 02:44:07 +08001970 DD_Block_Size = 16 * 1024 * 1024;
1971 while (Backup_Size % DD_Block_Size != 0) DD_Block_Size >>= 1;
1972
1973 DD_Count = Backup_Size / DD_Block_Size;
1974
1975 sprintf(dd_count, "%llu", DD_Count);
1976 DD_COUNT = dd_count;
1977
1978 sprintf(block_size, "%llu", DD_Block_Size);
1979 DD_BS = block_size;
igoriok87e3d932013-01-31 21:03:53 +02001980
Dees_Troyb46a6842012-09-25 11:06:46 -04001981 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00001982 gui_print("Backing up %s...\n", Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001983
1984 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1985 Backup_FileName = back_name;
1986
1987 Full_FileName = backup_folder + "/" + Backup_FileName;
1988
codelover352b75e2015-03-29 02:44:07 +08001989 Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'" + " bs=" + DD_BS + " count=" + DD_COUNT;
Dees_Troy2673cec2013-04-02 20:22:16 +00001990 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001991 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06001992 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troyc154ac22012-10-12 15:36:47 -04001993 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001994 LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04001995 return false;
1996 }
Dees_Troy43d8b002012-09-17 16:00:01 -04001997 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001998}
1999
2000bool TWPartition::Backup_Dump_Image(string backup_folder) {
Dees_Troy43d8b002012-09-17 16:00:01 -04002001 char back_name[255];
Vojtech Bocek05534202013-09-11 08:11:56 +02002002 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04002003 int use_compression;
2004
Dees_Troyb46a6842012-09-25 11:06:46 -04002005 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00002006 gui_print("Backing up %s...\n", Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04002007
2008 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
2009 Backup_FileName = back_name;
2010
2011 Full_FileName = backup_folder + "/" + Backup_FileName;
2012
2013 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
Dees_Troy2673cec2013-04-02 20:22:16 +00002014 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002015 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002016 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002017 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
2018 // Actual size may not match backup size due to bad blocks on MTD devices so just check for 0 bytes
Dees_Troy2673cec2013-04-02 20:22:16 +00002019 LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002020 return false;
2021 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002022 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002023}
2024
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002025unsigned long long TWPartition::Get_Restore_Size(string restore_folder) {
2026 InfoManager restore_info(restore_folder + "/" + Backup_Name + ".info");
2027 if (restore_info.LoadValues() == 0) {
2028 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
2029 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
2030 return Restore_Size;
2031 }
2032 }
2033 string Full_FileName, Restore_File_System = Get_Restore_File_System(restore_folder);
2034
2035 Full_FileName = restore_folder + "/" + Backup_FileName;
2036
2037 if (Is_Image(Restore_File_System)) {
2038 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
2039 return Restore_Size;
2040 }
2041
2042 twrpTar tar;
2043 tar.setdir(Backup_Path);
2044 tar.setfn(Full_FileName);
2045 tar.backup_name = Backup_Name;
2046#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2047 string Password;
2048 DataManager::GetValue("tw_restore_password", Password);
2049 if (!Password.empty())
2050 tar.setpassword(Password);
2051#endif
2052 tar.partition_name = Backup_Name;
2053 tar.backup_folder = restore_folder;
2054 Restore_Size = tar.get_size();
2055 return Restore_Size;
2056}
2057
2058bool TWPartition::Restore_Tar(string restore_folder, string Restore_File_System, const unsigned long long *total_restore_size, unsigned long long *already_restored_size) {
Gary Peck43acadf2012-11-21 21:19:01 -08002059 string Full_FileName, Command;
Dees_Troy4a2a1262012-09-18 09:33:47 -04002060 int index = 0;
2061 char split_index[5];
Dees Troy4159aed2014-02-28 17:24:43 +00002062 bool ret = false;
Dees_Troy43d8b002012-09-17 16:00:01 -04002063
Dees_Troye58d5262012-09-21 12:27:57 -04002064 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04002065 if (!Wipe_AndSec())
2066 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08002067 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00002068 gui_print("Wiping %s...\n", Display_Name.c_str());
Ethan Yonker5eac2222014-06-11 12:22:55 -05002069 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
2070 gui_print("WARNING: This /data backup was made with %s file system!\n", Restore_File_System.c_str());
2071 gui_print("The backup may not boot unless you change back to %s.\n", Restore_File_System.c_str());
2072 if (!Wipe_Data_Without_Wiping_Media())
2073 return false;
2074 } else {
2075 if (!Wipe(Restore_File_System))
2076 return false;
2077 }
Dees_Troye58d5262012-09-21 12:27:57 -04002078 }
Dees_Troya13d74f2013-03-24 08:54:55 -05002079 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, "Restoring");
Dees_Troy2673cec2013-04-02 20:22:16 +00002080 gui_print("Restoring %s...\n", Backup_Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04002081
2082 if (!Mount(true))
2083 return false;
2084
Dees_Troy4a2a1262012-09-18 09:33:47 -04002085 Full_FileName = restore_folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06002086 twrpTar tar;
2087 tar.setdir(Backup_Path);
2088 tar.setfn(Full_FileName);
2089 tar.backup_name = Backup_Name;
2090#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2091 string Password;
2092 DataManager::GetValue("tw_restore_password", Password);
2093 if (!Password.empty())
2094 tar.setpassword(Password);
2095#endif
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002096 if (tar.extractTarFork(total_restore_size, already_restored_size) != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00002097 ret = false;
2098 else
2099 ret = true;
2100#ifdef HAVE_CAPABILITIES
2101 // Restore capabilities to the run-as binary
2102 if (Mount_Point == "/system" && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
2103 struct vfs_cap_data cap_data;
2104 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
2105
2106 memset(&cap_data, 0, sizeof(cap_data));
2107 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
2108 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
2109 cap_data.data[0].inheritable = 0;
2110 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
2111 cap_data.data[1].inheritable = 0;
2112 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
2113 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
2114 } else {
2115 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
2116 }
2117 }
2118#endif
2119 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002120}
2121
Ethan Yonker96af84a2015-01-05 14:58:36 -06002122bool TWPartition::Restore_Image(string restore_folder, const unsigned long long *total_restore_size, unsigned long long *already_restored_size, string Restore_File_System) {
2123 string Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002124 double display_percent, progress_percent;
2125 char size_progress[1024];
Dees_Troy43d8b002012-09-17 16:00:01 -04002126
Dees_Troyda8b55a2012-12-12 19:18:30 +00002127 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
Dees_Troy43d8b002012-09-17 16:00:01 -04002128 Full_FileName = restore_folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08002129
Ethan Yonker96af84a2015-01-05 14:58:36 -06002130 if (Restore_File_System == "emmc") {
2131 if (!Flash_Image_DD(Full_FileName))
2132 return false;
2133 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
2134 if (!Flash_Image_FI(Full_FileName))
2135 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08002136 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002137 display_percent = (double)(Restore_Size + *already_restored_size) / (double)(*total_restore_size) * 100;
2138 sprintf(size_progress, "%lluMB of %lluMB, %i%%", (Restore_Size + *already_restored_size) / 1048576, *total_restore_size / 1048576, (int)(display_percent));
2139 DataManager::SetValue("tw_size_progress", size_progress);
2140 progress_percent = (display_percent / 100);
2141 DataManager::SetProgress((float)(progress_percent));
2142 *already_restored_size += Restore_Size;
Dees_Troy43d8b002012-09-17 16:00:01 -04002143 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002144}
Dees_Troy5bf43922012-09-07 16:07:55 -04002145
2146bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04002147 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04002148
Dees_Troyab10ee22012-09-21 14:27:30 -04002149 if (!Can_Be_Mounted && !Is_Encrypted)
Dees_Troy5bf43922012-09-07 16:07:55 -04002150 return false;
2151
Dees_Troy0550cfb2012-10-13 11:56:13 -04002152 Was_Already_Mounted = Is_Mounted();
Dees_Troy38bd7602012-09-14 13:33:53 -04002153 if (Removable || Is_Encrypted) {
2154 if (!Mount(false))
2155 return true;
2156 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04002157 return false;
Dees_Troy51127312012-09-08 13:08:49 -04002158
2159 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002160 if (!ret || Size == 0) {
2161 if (!Get_Size_Via_df(Display_Error)) {
2162 if (!Was_Already_Mounted)
2163 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04002164 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002165 }
2166 }
Dees_Troy51127312012-09-08 13:08:49 -04002167
Dees_Troy5bf43922012-09-07 16:07:55 -04002168 if (Has_Data_Media) {
2169 if (Mount(Display_Error)) {
Dees_Troy51127312012-09-08 13:08:49 -04002170 unsigned long long data_media_used, actual_data;
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002171 Used = du.Get_Folder_Size("/data");
2172 Backup_Size = Used;
2173 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04002174 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002175 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002176 } else {
2177 if (!Was_Already_Mounted)
2178 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002179 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002180 }
Dees_Troye58d5262012-09-21 12:27:57 -04002181 } else if (Has_Android_Secure) {
2182 if (Mount(Display_Error))
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002183 Backup_Size = du.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002184 else {
2185 if (!Was_Already_Mounted)
2186 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04002187 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002188 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002189 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04002190 if (!Was_Already_Mounted)
2191 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002192 return true;
Dees_Troy51127312012-09-08 13:08:49 -04002193}
Dees_Troy38bd7602012-09-14 13:33:53 -04002194
2195void TWPartition::Find_Actual_Block_Device(void) {
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04002196 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002197 Actual_Block_Device = Decrypted_Block_Device;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04002198 if (TWFunc::Path_Exists(Decrypted_Block_Device))
Dees_Troy38bd7602012-09-14 13:33:53 -04002199 Is_Present = true;
Dees_Troy43d8b002012-09-17 16:00:01 -04002200 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002201 Is_Present = true;
2202 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002203 return;
2204 }
2205 if (Is_Decrypted) {
Dees_Troy43d8b002012-09-17 16:00:01 -04002206 } else if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04002207 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04002208 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002209 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04002210 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002211 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002212}
2213
2214void TWPartition::Recreate_Media_Folder(void) {
2215 string Command;
2216
2217 if (!Mount(true)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002218 LOGERR("Unable to recreate /data/media folder.\n");
Dees_Troyb46a6842012-09-25 11:06:46 -04002219 } else if (!TWFunc::Path_Exists("/data/media")) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002220 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy2673cec2013-04-02 20:22:16 +00002221 LOGINFO("Recreating /data/media folder.\n");
xiaolu9416f4f2015-06-04 08:22:23 +08002222 mkdir("/data/media", 0770);
2223 string Internal_path = DataManager::GetStrValue("tw_internal_path");
2224 if (!Internal_path.empty()) {
2225 LOGINFO("Recreating %s folder.\n", Internal_path.c_str());
2226 mkdir(Internal_path.c_str(), 0770);
2227 }
2228#ifdef TW_INTERNAL_STORAGE_PATH
2229 mkdir(EXPAND(TW_INTERNAL_STORAGE_PATH), 0770);
2230#endif
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002231#ifdef HAVE_SELINUX
thata3d31fb2014-12-21 22:27:40 +01002232 // Afterwards, we will try to set the
2233 // default metadata that we were hopefully able to get during
2234 // early boot.
2235 tw_set_default_metadata("/data/media");
xiaolu9416f4f2015-06-04 08:22:23 +08002236 if (!Internal_path.empty())
2237 tw_set_default_metadata(Internal_path.c_str());
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002238#endif
Ethan Yonker5eac2222014-06-11 12:22:55 -05002239 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002240 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05002241 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04002242 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002243}
Dees_Troye58d5262012-09-21 12:27:57 -04002244
2245void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04002246 if (!Has_Android_Secure)
2247 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00002248 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04002249 if (!Mount(true)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002250 LOGERR("Unable to recreate %s folder.\n", Backup_Name.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04002251 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002252 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002253 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002254 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002255 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002256 }
2257}
bigbiff7cb4c332014-11-26 20:36:07 -05002258
2259uint64_t TWPartition::Get_Max_FileSize() {
2260 uint64_t maxFileSize = 0;
2261 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
2262 const uint64_t constTB = (uint64_t) constGB * 1024;
2263 const uint64_t constPB = (uint64_t) constTB * 1024;
2264 const uint64_t constEB = (uint64_t) constPB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05002265 if (Current_File_System == "ext4")
2266 maxFileSize = 16 * constTB; //16 TB
2267 else if (Current_File_System == "vfat")
2268 maxFileSize = 4 * constGB; //4 GB
2269 else if (Current_File_System == "ntfs")
2270 maxFileSize = 256 * constTB; //256 TB
2271 else if (Current_File_System == "exfat")
2272 maxFileSize = 16 * constPB; //16 PB
2273 else if (Current_File_System == "ext3")
2274 maxFileSize = 2 * constTB; //2 TB
2275 else if (Current_File_System == "f2fs")
2276 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05002277 else
2278 maxFileSize = 100000000L;
Ethan Yonker96af84a2015-01-05 14:58:36 -06002279 LOGINFO("Get_Max_FileSize::maxFileSize: %llu\n", maxFileSize);
bigbiff7cb4c332014-11-26 20:36:07 -05002280 return maxFileSize - 1;
2281}
2282
Ethan Yonker96af84a2015-01-05 14:58:36 -06002283bool TWPartition::Flash_Image(string Filename) {
2284 string Restore_File_System;
2285
2286 LOGINFO("Image filename is: %s\n", Filename.c_str());
2287
2288 if (Backup_Method == FILES) {
2289 LOGERR("Cannot flash images to file systems\n");
2290 return false;
2291 } else if (!Can_Flash_Img) {
2292 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
2293 return false;
2294 } else {
2295 if (!Find_Partition_Size()) {
2296 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
2297 return false;
2298 }
2299 unsigned long long image_size = TWFunc::Get_File_Size(Filename);
2300 if (image_size > Size) {
2301 LOGERR("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
2302 image_size, Filename.c_str(), Actual_Block_Device.c_str(), Size);
2303 return false;
2304 }
2305 if (Backup_Method == DD)
2306 return Flash_Image_DD(Filename);
2307 else if (Backup_Method == FLASH_UTILS)
2308 return Flash_Image_FI(Filename);
2309 }
2310
2311 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
2312 return false;
2313}
2314
2315bool TWPartition::Flash_Image_DD(string Filename) {
2316 string Command;
2317
2318 gui_print("Flashing %s...\n", Display_Name.c_str());
codelover352b75e2015-03-29 02:44:07 +08002319 Command = "dd bs=8388608 if='" + Filename + "' of=" + Actual_Block_Device;
Ethan Yonker96af84a2015-01-05 14:58:36 -06002320 LOGINFO("Flash command: '%s'\n", Command.c_str());
2321 TWFunc::Exec_Cmd(Command);
2322 return true;
2323}
2324
2325bool TWPartition::Flash_Image_FI(string Filename) {
2326 string Command;
2327
2328 gui_print("Flashing %s...\n", Display_Name.c_str());
2329 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
2330 Command = "erase_image " + MTD_Name;
2331 LOGINFO("Erase command: '%s'\n", Command.c_str());
2332 TWFunc::Exec_Cmd(Command);
2333 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
2334 LOGINFO("Flash command: '%s'\n", Command.c_str());
2335 TWFunc::Exec_Cmd(Command);
2336 return true;
2337}
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05002338
2339void TWPartition::Change_Mount_Read_Only(bool new_value) {
2340 Mount_Read_Only = new_value;
2341}
2342
2343int TWPartition::Check_Lifetime_Writes() {
2344 bool original_read_only = Mount_Read_Only;
2345 int ret = 1;
2346
2347 Mount_Read_Only = true;
2348 if (Mount(false)) {
2349 Find_Actual_Block_Device();
2350 string block = basename(Actual_Block_Device.c_str());
2351 string file = "/sys/fs/" + Current_File_System + "/" + block + "/lifetime_write_kbytes";
2352 string result;
2353 if (TWFunc::Path_Exists(file)) {
2354 if (TWFunc::read_file(file, result) != 0) {
2355 LOGINFO("Check_Lifetime_Writes of '%s' failed to read_file\n", file.c_str());
2356 } else {
2357 LOGINFO("Check_Lifetime_Writes result: '%s'\n", result.c_str());
2358 if (result == "0") {
2359 ret = 0;
2360 }
2361 }
2362 } else {
2363 LOGINFO("Check_Lifetime_Writes file does not exist '%s'\n", file.c_str());
2364 }
2365 UnMount(true);
2366 } else {
2367 LOGINFO("Check_Lifetime_Writes failed to mount '%s'\n", Mount_Point.c_str());
2368 }
2369 Mount_Read_Only = original_read_only;
2370 return ret;
2371}