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Dees Troy3be70a82013-10-22 14:25:12 +00001/*
bigbiff7ba75002020-04-11 20:47:09 -04002 Copyright 2013 to 2020 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>
bigbiff7ba75002020-04-11 20:47:09 -040022
Dees_Troy5bf43922012-09-07 16:07:55 -040023#include <sys/mount.h>
bigbiff7ba75002020-04-11 20:47:09 -040024#include <sys/param.h>
25#include <sys/stat.h>
26#include <sys/types.h>
27#include <sys/vfs.h>
Dees_Troy51a0e822012-09-05 15:24:24 -040028#include <unistd.h>
Dees_Troy51127312012-09-08 13:08:49 -040029#include <dirent.h>
Ethan Yonker472f5062016-02-25 13:47:30 -060030#include <fcntl.h>
bigbiff7ba75002020-04-11 20:47:09 -040031#include <iostream>
32#include <libgen.h>
bigbiff7ba75002020-04-11 20:47:09 -040033#include <zlib.h>
34#include <sstream>
Dees_Troy51a0e822012-09-05 15:24:24 -040035
Ethan Yonker007de982018-08-31 14:23:16 -050036#include "cutils/properties.h"
bigbiff7b4c7a62015-01-01 19:44:14 -050037#include "libblkid/include/blkid.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040038#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000039#include "twcommon.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040040#include "partitions.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040041#include "data.hpp"
Dees_Troy43d8b002012-09-17 16:00:01 -040042#include "twrp-functions.hpp"
bigbiff bigbiff9c754052013-01-09 09:09:08 -050043#include "twrpTar.hpp"
Ethan Yonker3fdcda42016-11-30 12:29:37 -060044#include "exclude.hpp"
Ethan Yonker1b7a31b2014-07-03 15:09:22 -050045#include "infomanager.hpp"
Ethan Yonker4b94cfd2014-12-11 10:00:45 -060046#include "set_metadata.h"
Ethan Yonker74db1572015-10-28 12:44:49 -050047#include "gui/gui.hpp"
bigbiffce8f83c2015-12-12 18:30:21 -050048#include "adbbu/libtwadbbu.hpp"
Ethan Yonker98661c12018-10-17 08:39:28 -050049#ifdef TW_INCLUDE_CRYPTO
50 #include "crypto/fde/cryptfs.h"
51 #ifdef TW_INCLUDE_FBE
52 #include "crypto/ext4crypt/Decrypt.h"
53 #endif
54#else
55 #define CRYPT_FOOTER_OFFSET 0x4000
56#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040057extern "C" {
Dees_Troy38bd7602012-09-14 13:33:53 -040058 #include "mtdutils/mtdutils.h"
59 #include "mtdutils/mounts.h"
Dees_Troya95f55c2013-08-17 13:14:43 +000060#ifdef USE_EXT4
Ethan Yonker8373cfe2017-09-08 06:50:54 -050061 // #include "make_ext4fs.h" TODO need ifdef for android8
62 #include <ext4_utils/make_ext4fs.h>
Dees_Troya95f55c2013-08-17 13:14:43 +000063#endif
Ethan Yonker71413f42014-02-26 13:36:08 -060064#ifdef TW_INCLUDE_CRYPTO
Ethan Yonker66a19492015-12-10 10:19:45 -060065 #include "gpt/gpt.h"
Ethan Yonker71413f42014-02-26 13:36:08 -060066#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040067}
Matt Mower87413642017-01-17 21:14:46 -060068#include <selinux/selinux.h>
Ethan Yonkerf27497f2014-02-09 11:48:33 -060069#include <selinux/label.h>
Dees Troy4159aed2014-02-28 17:24:43 +000070#ifdef HAVE_CAPABILITIES
71#include <sys/capability.h>
72#include <sys/xattr.h>
73#include <linux/xattr.h>
74#endif
HashBanged974bb2016-01-30 14:20:09 -050075#include <sparse_format.h>
Ethan Yonker472f5062016-02-25 13:47:30 -060076#include "progresstracking.hpp"
Dees_Troy51a0e822012-09-05 15:24:24 -040077
bigbiff bigbiff9c754052013-01-09 09:09:08 -050078using namespace std;
79
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060080static int auto_index = 0; // v2 fstab allows you to specify a mount point of "auto" with no /. These items are given a mount point of /auto* where * == auto_index
81
Dees_Troya95f55c2013-08-17 13:14:43 +000082extern struct selabel_handle *selinux_handle;
Ethan Yonker6277c792014-09-15 14:54:30 -050083extern bool datamedia;
Dees_Troya95f55c2013-08-17 13:14:43 +000084
Hashcode62bd9e02013-11-19 21:59:42 -080085struct flag_list {
86 const char *name;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060087 unsigned long flag;
Hashcode62bd9e02013-11-19 21:59:42 -080088};
89
Matt Mower4ab42b12016-04-21 13:52:18 -050090const struct flag_list mount_flags[] = {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060091 { "noatime", MS_NOATIME },
92 { "noexec", MS_NOEXEC },
93 { "nosuid", MS_NOSUID },
94 { "nodev", MS_NODEV },
95 { "nodiratime", MS_NODIRATIME },
96 { "ro", MS_RDONLY },
97 { "rw", 0 },
98 { "remount", MS_REMOUNT },
99 { "bind", MS_BIND },
100 { "rec", MS_REC },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000101#ifdef MS_UNBINDABLE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600102 { "unbindable", MS_UNBINDABLE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000103#endif
104#ifdef MS_PRIVATE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600105 { "private", MS_PRIVATE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000106#endif
107#ifdef MS_SLAVE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600108 { "slave", MS_SLAVE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000109#endif
110#ifdef MS_SHARED
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600111 { "shared", MS_SHARED },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000112#endif
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600113 { "sync", MS_SYNCHRONOUS },
114 { 0, 0 },
115};
116
117const char *ignored_mount_items[] = {
118 "defaults=",
119 "errors=",
Ethan Yonker93382822018-11-01 15:25:31 -0500120 "latemount",
121 "sysfs_path=",
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600122 NULL
Hashcode62bd9e02013-11-19 21:59:42 -0800123};
124
Matt Mower2416a502016-04-12 19:54:46 -0500125enum TW_FSTAB_FLAGS {
126 TWFLAG_DEFAULTS, // Retain position
127 TWFLAG_ANDSEC,
128 TWFLAG_BACKUP,
129 TWFLAG_BACKUPNAME,
130 TWFLAG_BLOCKSIZE,
131 TWFLAG_CANBEWIPED,
132 TWFLAG_CANENCRYPTBACKUP,
133 TWFLAG_DISPLAY,
134 TWFLAG_ENCRYPTABLE,
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500135 TWFLAG_FILEENCRYPTION,
Matt Mower2416a502016-04-12 19:54:46 -0500136 TWFLAG_FLASHIMG,
137 TWFLAG_FORCEENCRYPT,
138 TWFLAG_FSFLAGS,
139 TWFLAG_IGNOREBLKID,
140 TWFLAG_LENGTH,
141 TWFLAG_MOUNTTODECRYPT,
142 TWFLAG_REMOVABLE,
Matt Mower2416a502016-04-12 19:54:46 -0500143 TWFLAG_SETTINGSSTORAGE,
144 TWFLAG_STORAGE,
145 TWFLAG_STORAGENAME,
146 TWFLAG_SUBPARTITIONOF,
147 TWFLAG_SYMLINK,
148 TWFLAG_USERDATAENCRYPTBACKUP,
149 TWFLAG_USERMRF,
150 TWFLAG_WIPEDURINGFACTORYRESET,
151 TWFLAG_WIPEINGUI,
Ethan Yonker1b190162016-12-05 15:25:19 -0600152 TWFLAG_SLOTSELECT,
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600153 TWFLAG_WAIT,
154 TWFLAG_VERIFY,
155 TWFLAG_CHECK,
156 TWFLAG_ALTDEVICE,
157 TWFLAG_NOTRIM,
158 TWFLAG_VOLDMANAGED,
159 TWFLAG_FORMATTABLE,
160 TWFLAG_RESIZE,
Ethan Yonker93382822018-11-01 15:25:31 -0500161 TWFLAG_KEYDIRECTORY,
Peter Cai28ea7b02019-05-24 11:38:54 +0800162 TWFLAG_WRAPPEDKEY,
Peter Caife14cc12019-10-17 08:49:10 +0800163 TWFLAG_ADOPTED_MOUNT_DELAY,
Peter Cai0a1ba592019-11-02 19:22:38 +0800164 TWFLAG_DM_USE_ORIGINAL_PATH,
Matt Mower2416a502016-04-12 19:54:46 -0500165};
166
167/* Flags without a trailing '=' are considered dual format flags and can be
168 * written as either 'flagname' or 'flagname=', where the character following
169 * the '=' is Y,y,1 for true and false otherwise.
170 */
171const struct flag_list tw_flags[] = {
172 { "andsec", TWFLAG_ANDSEC },
173 { "backup", TWFLAG_BACKUP },
174 { "backupname=", TWFLAG_BACKUPNAME },
175 { "blocksize=", TWFLAG_BLOCKSIZE },
176 { "canbewiped", TWFLAG_CANBEWIPED },
177 { "canencryptbackup", TWFLAG_CANENCRYPTBACKUP },
178 { "defaults", TWFLAG_DEFAULTS },
179 { "display=", TWFLAG_DISPLAY },
180 { "encryptable=", TWFLAG_ENCRYPTABLE },
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500181 { "fileencryption=", TWFLAG_FILEENCRYPTION },
Matt Mower2416a502016-04-12 19:54:46 -0500182 { "flashimg", TWFLAG_FLASHIMG },
183 { "forceencrypt=", TWFLAG_FORCEENCRYPT },
184 { "fsflags=", TWFLAG_FSFLAGS },
185 { "ignoreblkid", TWFLAG_IGNOREBLKID },
186 { "length=", TWFLAG_LENGTH },
187 { "mounttodecrypt", TWFLAG_MOUNTTODECRYPT },
188 { "removable", TWFLAG_REMOVABLE },
Matt Mower2416a502016-04-12 19:54:46 -0500189 { "settingsstorage", TWFLAG_SETTINGSSTORAGE },
190 { "storage", TWFLAG_STORAGE },
191 { "storagename=", TWFLAG_STORAGENAME },
192 { "subpartitionof=", TWFLAG_SUBPARTITIONOF },
193 { "symlink=", TWFLAG_SYMLINK },
194 { "userdataencryptbackup", TWFLAG_USERDATAENCRYPTBACKUP },
195 { "usermrf", TWFLAG_USERMRF },
196 { "wipeduringfactoryreset", TWFLAG_WIPEDURINGFACTORYRESET },
197 { "wipeingui", TWFLAG_WIPEINGUI },
Ethan Yonker1b190162016-12-05 15:25:19 -0600198 { "slotselect", TWFLAG_SLOTSELECT },
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600199 { "wait", TWFLAG_WAIT },
200 { "verify", TWFLAG_VERIFY },
201 { "check", TWFLAG_CHECK },
202 { "altdevice", TWFLAG_ALTDEVICE },
203 { "notrim", TWFLAG_NOTRIM },
204 { "voldmanaged=", TWFLAG_VOLDMANAGED },
205 { "formattable", TWFLAG_FORMATTABLE },
206 { "resize", TWFLAG_RESIZE },
Ethan Yonker93382822018-11-01 15:25:31 -0500207 { "keydirectory=", TWFLAG_KEYDIRECTORY },
Peter Cai28ea7b02019-05-24 11:38:54 +0800208 { "wrappedkey", TWFLAG_WRAPPEDKEY },
Peter Caife14cc12019-10-17 08:49:10 +0800209 { "adopted_mount_delay=", TWFLAG_ADOPTED_MOUNT_DELAY },
Peter Cai0a1ba592019-11-02 19:22:38 +0800210 { "dm_use_original_path", TWFLAG_DM_USE_ORIGINAL_PATH },
Matt Mower2416a502016-04-12 19:54:46 -0500211 { 0, 0 },
212};
213
that9e0593e2014-10-08 00:01:24 +0200214TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400215 Can_Be_Mounted = false;
216 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500217 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200218 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400219 Wipe_During_Factory_Reset = false;
220 Wipe_Available_in_GUI = false;
221 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400222 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400223 SubPartition_Of = "";
224 Symlink_Path = "";
225 Symlink_Mount_Point = "";
226 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400227 Backup_Path = "";
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600228 Wildcard_Block_Device = false;
229 Sysfs_Entry = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400230 Actual_Block_Device = "";
231 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400232 Alternate_Block_Device = "";
233 Removable = false;
234 Is_Present = false;
235 Length = 0;
236 Size = 0;
237 Used = 0;
238 Free = 0;
239 Backup_Size = 0;
240 Can_Be_Encrypted = false;
241 Is_Encrypted = false;
242 Is_Decrypted = false;
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600243 Is_FBE = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600244 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400245 Decrypted_Block_Device = "";
246 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500247 Backup_Display_Name = "";
248 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400249 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400250 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400251 MTD_Name = "";
bigbiffce8f83c2015-12-12 18:30:21 -0500252 Backup_Method = BM_NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000253 Can_Encrypt_Backup = false;
254 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400255 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400256 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400257 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500258 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400259 Storage_Path = "";
260 Current_File_System = "";
261 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800262 Mount_Flags = 0;
263 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400264 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000265 Ignore_Blkid = false;
dianlujitao4879b372018-12-03 18:45:47 +0800266 Crypto_Key_Location = "";
Ethan Yonker726a0202014-12-16 20:01:38 -0600267 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600268 Can_Flash_Img = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500269 Mount_Read_Only = false;
Ethan Yonker66a19492015-12-10 10:19:45 -0600270 Is_Adopted_Storage = false;
271 Adopted_GUID = "";
Ethan Yonker1b190162016-12-05 15:25:19 -0600272 SlotSelect = false;
Ethan Yonker93382822018-11-01 15:25:31 -0500273 Key_Directory = "";
bigbiffee7b7ff2020-03-23 15:08:27 -0400274 Is_Super = false;
Peter Caife14cc12019-10-17 08:49:10 +0800275 Adopted_Mount_Delay = 0;
Peter Cai0a1ba592019-11-02 19:22:38 +0800276 Original_Path = "";
277 Use_Original_Path = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400278}
279
280TWPartition::~TWPartition(void) {
281 // Do nothing
282}
283
bigbiff8da46fa2020-09-08 16:42:34 -0400284bool TWPartition::Process_Fstab_Line(const char *fstab_line, bool Display_Error, std::map<string, Flags_Map> *twrp_flags) {
Matt Mower2b2dd152016-04-26 11:24:08 -0500285 char full_line[MAX_FSTAB_LINE_LENGTH];
Matt Mower2416a502016-04-12 19:54:46 -0500286 char twflags[MAX_FSTAB_LINE_LENGTH] = "";
Dees_Troy5bf43922012-09-07 16:07:55 -0400287 char* ptr;
Matt Mower2b2dd152016-04-26 11:24:08 -0500288 int line_len = strlen(fstab_line), index = 0, item_index = 0;
Dees_Troya13d74f2013-03-24 08:54:55 -0500289 bool skip = false;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600290 int fstab_version = 1, mount_point_index = 0, fs_index = 1, block_device_index = 2;
291 TWPartition *additional_entry = NULL;
292 std::map<string, Flags_Map>::iterator it;
Dees_Troy5bf43922012-09-07 16:07:55 -0400293
Matt Mower2b2dd152016-04-26 11:24:08 -0500294 strlcpy(full_line, fstab_line, sizeof(full_line));
bigbiffee7b7ff2020-03-23 15:08:27 -0400295
Dees_Troy51127312012-09-08 13:08:49 -0400296 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500297 if (full_line[index] == 34)
298 skip = !skip;
299 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400300 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400301 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600302 if (line_len < 10)
303 return false; // There can't possibly be a valid fstab line that is less than 10 chars
304 if (strncmp(fstab_line, "/dev/", strlen("/dev/")) == 0 || strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
305 fstab_version = 2;
306 block_device_index = 0;
307 mount_point_index = 1;
308 fs_index = 2;
309 }
310
bigbiffee7b7ff2020-03-23 15:08:27 -0400311 Is_Super = PartitionManager.Is_Super_Partition(fstab_line);
312 if (Is_Super) {
313 block_device_index = 0;
314 fstab_version = 2;
315 mount_point_index = 1;
316 fs_index = 2;
317 }
318
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600319 index = 0;
Dees_Troy5bf43922012-09-07 16:07:55 -0400320 while (index < line_len) {
321 while (index < line_len && full_line[index] == '\0')
322 index++;
323 if (index >= line_len)
324 continue;
325 ptr = full_line + index;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600326 if (item_index == mount_point_index) {
327 Mount_Point = ptr;
bigbiffee7b7ff2020-03-23 15:08:27 -0400328 if (fstab_version == 2 && Is_Super == false) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600329 additional_entry = PartitionManager.Find_Partition_By_Path(Mount_Point);
bigbiff8da46fa2020-09-08 16:42:34 -0400330 if (additional_entry) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600331 LOGINFO("Found an additional entry for '%s'\n", Mount_Point.c_str());
332 }
333 }
bigbiff8da46fa2020-09-08 16:42:34 -0400334 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600335 Backup_Path = Mount_Point;
336 Storage_Path = Mount_Point;
337 Display_Name = ptr + 1;
338 Backup_Display_Name = Display_Name;
339 Storage_Name = Display_Name;
340 item_index++;
341 } else if (item_index == fs_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400342 // File System
343 Fstab_File_System = ptr;
344 Current_File_System = ptr;
345 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600346 } else if (item_index == block_device_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400347 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400348 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400349 MTD_Name = ptr;
350 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400351 } else if (Fstab_File_System == "bml") {
352 if (Mount_Point == "/boot")
353 MTD_Name = "boot";
354 else if (Mount_Point == "/recovery")
355 MTD_Name = "recovery";
356 Primary_Block_Device = ptr;
357 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000358 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 -0400359 } else if (*ptr != '/') {
bigbiffee7b7ff2020-03-23 15:08:27 -0400360 if (!Is_Super) {
361 if (Display_Error)
362 LOGERR("Invalid block device '%s' in fstab line '%s'", ptr, fstab_line);
363 else
364 LOGINFO("Invalid block device '%s' in fstab line '%s'", ptr, fstab_line);
365 return false;
366 }
Dees_Troy38bd7602012-09-14 13:33:53 -0400367 } else {
368 Primary_Block_Device = ptr;
369 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400370 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400371 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600372 } else if (item_index > 2) {
373 if (fstab_version == 2) {
374 if (item_index == 3) {
375 Process_FS_Flags(ptr);
376 if (additional_entry) {
377 additional_entry->Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
378 return false; // We save the extra fs flags in the other partition entry and by returning false, this entry will be deleted
379 }
380 } else {
381 strlcpy(twflags, ptr, sizeof(twflags));
382 }
383 item_index++;
384 } else if (*ptr == '/') { // v2 fstab does not allow alternate block devices
Dees_Troy5bf43922012-09-07 16:07:55 -0400385 // Alternate Block Device
386 Alternate_Block_Device = ptr;
387 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
388 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
389 // Partition length
390 ptr += 7;
391 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400392 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
393 // Custom flags, save for later so that new values aren't overwritten by defaults
394 ptr += 6;
Matt Mower2416a502016-04-12 19:54:46 -0500395 strlcpy(twflags, ptr, sizeof(twflags));
Dees_Troy38bd7602012-09-14 13:33:53 -0400396 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
397 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400398 } else {
399 // Unhandled data
Matt Mower2b2dd152016-04-26 11:24:08 -0500400 LOGINFO("Unhandled fstab information '%s' in fstab line '%s'\n", ptr, fstab_line);
Dees_Troy5bf43922012-09-07 16:07:55 -0400401 }
402 }
403 while (index < line_len && full_line[index] != '\0')
404 index++;
405 }
406
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600407 // override block devices from the v2 fstab with the ones we read from the twrp.flags file in case they are different
408 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
409 it = twrp_flags->find(Mount_Point);
410 if (it != twrp_flags->end()) {
411 if (!it->second.Primary_Block_Device.empty()) {
412 Primary_Block_Device = it->second.Primary_Block_Device;
413 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
414 }
415 if (!it->second.Alternate_Block_Device.empty()) {
416 Alternate_Block_Device = it->second.Alternate_Block_Device;
417 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
418 }
419 }
420 }
421
422 if (strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
423 Sysfs_Entry = Primary_Block_Device;
424 Primary_Block_Device = "";
425 Is_Storage = true;
426 Removable = true;
427 Wipe_Available_in_GUI = true;
428 Wildcard_Block_Device = true;
429 }
430 if (Primary_Block_Device.find("*") != string::npos)
431 Wildcard_Block_Device = true;
432
bigbiff8da46fa2020-09-08 16:42:34 -0400433 if (Mount_Point == "auto") {
434 Mount_Point = "/auto";
435 char autoi[5];
436 sprintf(autoi, "%i", auto_index);
437 Mount_Point += autoi;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600438 Backup_Path = Mount_Point;
439 Storage_Path = Mount_Point;
dianlujitaob76a73a2020-04-30 20:33:20 +0800440 Backup_Name = Mount_Point.substr(1);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600441 auto_index++;
442 Setup_File_System(Display_Error);
443 Display_Name = "Storage";
444 Backup_Display_Name = Display_Name;
445 Storage_Name = Display_Name;
446 Can_Be_Backed_Up = false;
447 Wipe_Available_in_GUI = true;
448 Is_Storage = true;
449 Removable = true;
450 Wipe_Available_in_GUI = true;
451 } else if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400452 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000453 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400454 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000455 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500456 return false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400457 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400458 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400459 Setup_File_System(Display_Error);
dianlujitaob76a73a2020-04-30 20:33:20 +0800460 Backup_Name = Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
Chaosmaster3b682732020-01-25 21:09:28 +0100461 if (Mount_Point == "/" || Mount_Point == "/system" || Mount_Point == "/system_root") {
bigbiff8da46fa2020-09-08 16:42:34 -0400462 Mount_Point = PartitionManager.Get_Android_Root_Path();
463 Backup_Path = Mount_Point;
464 Storage_Path = Mount_Point;
Dees_Troy5bf43922012-09-07 16:07:55 -0400465 Display_Name = "System";
dianlujitaob76a73a2020-04-30 20:33:20 +0800466 Backup_Name = "system";
Dees_Troya13d74f2013-03-24 08:54:55 -0500467 Backup_Display_Name = Display_Name;
468 Storage_Name = Display_Name;
bigbiff8da46fa2020-09-08 16:42:34 -0400469 Wipe_Available_in_GUI = false;
470 Can_Be_Backed_Up = false;
471 Can_Be_Wiped = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500472 Mount_Read_Only = true;
bigbiff8da46fa2020-09-08 16:42:34 -0400473 Make_Dir(PartitionManager.Get_Android_Root_Path(), true);
Mohd Faraze3948ec2020-08-14 01:40:59 +0000474 } else if (Mount_Point == "/product") {
475 Display_Name = "Product";
476 Backup_Name = "Product";
477 Backup_Display_Name = Display_Name;
478 Storage_Name = Display_Name;
479 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
480 Mount_Read_Only = true;
481 } else if (Mount_Point == "/odm") {
482 Display_Name = "ODM";
483 Backup_Name = "ODM";
484 Backup_Display_Name = Display_Name;
485 Storage_Name = Display_Name;
486 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
487 Mount_Read_Only = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400488 } else if (Mount_Point == "/data") {
489 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500490 Backup_Display_Name = Display_Name;
491 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400492 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400493 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500494 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000495 Can_Encrypt_Backup = true;
496 Use_Userdata_Encryption = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400497 } else if (Mount_Point == "/cache") {
498 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500499 Backup_Display_Name = Display_Name;
500 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400501 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400502 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500503 Can_Be_Backed_Up = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400504 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400505 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400506 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500507 Backup_Display_Name = Display_Name;
508 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400509 Is_SubPartition = true;
510 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400511 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500512 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000513 Can_Encrypt_Backup = true;
514 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400515 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400516 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400517 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500518 Backup_Display_Name = Display_Name;
519 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400520 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400521 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500522 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000523 Can_Encrypt_Backup = true;
524 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400525 } else if (Mount_Point == "/boot") {
526 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500527 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400528 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500529 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500530 } else if (Mount_Point == "/vendor") {
531 Display_Name = "Vendor";
532 Backup_Display_Name = Display_Name;
533 Storage_Name = Display_Name;
534 Mount_Read_Only = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400535 }
536#ifdef TW_EXTERNAL_STORAGE_PATH
537 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
538 Is_Storage = true;
539 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400540 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500541 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400542#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000543 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400544 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400545 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500546 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400547#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000548 }
Dees_Troy8170a922012-09-18 15:40:25 -0400549#ifdef TW_INTERNAL_STORAGE_PATH
550 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
551 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500552 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400553 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500554 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400555 }
556#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000557 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400558 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500559 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500560 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400561 }
562#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400563 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400564 Find_Actual_Block_Device();
Ethan Yonker1b190162016-12-05 15:25:19 -0600565 Setup_Image();
Dees_Troya13d74f2013-03-24 08:54:55 -0500566 if (Mount_Point == "/boot") {
567 Display_Name = "Boot";
568 Backup_Display_Name = Display_Name;
569 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600570 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500571 } else if (Mount_Point == "/recovery") {
572 Display_Name = "Recovery";
573 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600574 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500575 } else if (Mount_Point == "/system_image") {
576 Display_Name = "System Image";
577 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500578 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500579 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500580 } else if (Mount_Point == "/vendor_image") {
581 Display_Name = "Vendor Image";
582 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500583 Can_Flash_Img = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500584 Can_Be_Backed_Up = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500585 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400586 }
587
Matt Mower2416a502016-04-12 19:54:46 -0500588 // Process TWRP fstab flags
589 if (strlen(twflags) > 0) {
590 string Prev_Display_Name = Display_Name;
591 string Prev_Storage_Name = Storage_Name;
592 string Prev_Backup_Display_Name = Backup_Display_Name;
593 Display_Name = "";
594 Storage_Name = "";
595 Backup_Display_Name = "";
596
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600597 Process_TW_Flags(twflags, (fstab_version == 1), fstab_version);
598 Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
Matt Mower2416a502016-04-12 19:54:46 -0500599
600 bool has_display_name = !Display_Name.empty();
601 bool has_storage_name = !Storage_Name.empty();
602 bool has_backup_name = !Backup_Display_Name.empty();
603 if (!has_display_name) Display_Name = Prev_Display_Name;
604 if (!has_storage_name) Storage_Name = Prev_Storage_Name;
605 if (!has_backup_name) Backup_Display_Name = Prev_Backup_Display_Name;
606
607 if (has_display_name && !has_storage_name)
608 Storage_Name = Display_Name;
609 if (!has_display_name && has_storage_name)
610 Display_Name = Storage_Name;
611 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
612 Backup_Display_Name = Display_Name;
613 if (!has_display_name && has_backup_name)
614 Display_Name = Backup_Display_Name;
615 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600616
617 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
618 it = twrp_flags->find(Mount_Point);
619 if (it != twrp_flags->end()) {
620 char twrpflags[MAX_FSTAB_LINE_LENGTH] = "";
621 int skip = 0;
622 string Flags = it->second.Flags;
623 strcpy(twrpflags, Flags.c_str());
624 if (strlen(twrpflags) > strlen("flags=") && strncmp(twrpflags, "flags=", strlen("flags=")) == 0)
625 skip += strlen("flags=");
626 char* flagptr = twrpflags;
627 flagptr += skip;
628 Process_TW_Flags(flagptr, Display_Error, 1); // Forcing the fstab to ver 1 because this data is coming from the /etc/twrp.flags which should be using the TWRP v1 flags format
629 }
630 }
nkk7198fc3992017-12-16 16:26:42 +0200631
632 if (Mount_Point == "/persist" && Can_Be_Mounted) {
633 bool mounted = Is_Mounted();
634 if (mounted || Mount(false)) {
nkk7198fc3992017-12-16 16:26:42 +0200635 TWFunc::Fixup_Time_On_Boot("/persist/time/");
636 if (!mounted)
637 UnMount(false);
638 }
639 }
640
Dees_Troy51127312012-09-08 13:08:49 -0400641 return true;
642}
643
Matt Mower72c87ce2016-04-26 14:34:56 -0500644void TWPartition::Partition_Post_Processing(bool Display_Error) {
645 if (Mount_Point == "/data")
646 Setup_Data_Partition(Display_Error);
647 else if (Mount_Point == "/cache")
648 Setup_Cache_Partition(Display_Error);
649}
650
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600651void TWPartition::ExcludeAll(const string& path) {
652 backup_exclusions.add_absolute_dir(path);
653 wipe_exclusions.add_absolute_dir(path);
654}
655
Matt Mower72c87ce2016-04-26 14:34:56 -0500656void TWPartition::Setup_Data_Partition(bool Display_Error) {
657 if (Mount_Point != "/data")
658 return;
659
660 // Ensure /data is not mounted as tmpfs for qcom hardware decrypt
661 UnMount(false);
662
663#ifdef TW_INCLUDE_CRYPTO
664 if (datamedia)
665 Setup_Data_Media();
666 Can_Be_Encrypted = true;
667 char crypto_blkdev[255];
668 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
669 if (strcmp(crypto_blkdev, "error") != 0) {
bigbiff7ba75002020-04-11 20:47:09 -0400670 Set_FBE_Status();
Matt Mower72c87ce2016-04-26 14:34:56 -0500671 Decrypted_Block_Device = crypto_blkdev;
672 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
bigbiff7ba75002020-04-11 20:47:09 -0400673 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Matt Mower72c87ce2016-04-26 14:34:56 -0500674 } else if (!Mount(false)) {
675 if (Is_Present) {
Ethan Yonker93382822018-11-01 15:25:31 -0500676 if (Key_Directory.empty()) {
Peter Cai0a1ba592019-11-02 19:22:38 +0800677 set_partition_data(Use_Original_Path ? Original_Path.c_str() : Actual_Block_Device.c_str(), Crypto_Key_Location.c_str(),
Noah Jacobson81d638d2019-04-28 00:10:07 -0400678 Fstab_File_System.c_str());
Ethan Yonker93382822018-11-01 15:25:31 -0500679 if (cryptfs_check_footer() == 0) {
680 Is_Encrypted = true;
681 Is_Decrypted = false;
682 Can_Be_Mounted = false;
683 Current_File_System = "emmc";
684 Setup_Image();
Ethan Yonker93382822018-11-01 15:25:31 -0500685 DataManager::SetValue(TW_CRYPTO_PWTYPE, cryptfs_get_password_type());
Noah Jacobson81d638d2019-04-28 00:10:07 -0400686 DataManager::SetValue("tw_crypto_pwtype_0", cryptfs_get_password_type());
Ethan Yonker93382822018-11-01 15:25:31 -0500687 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
688 DataManager::SetValue("tw_crypto_display", "");
689 } else {
690 gui_err("mount_data_footer=Could not mount /data and unable to find crypto footer.");
691 }
692 } else {
Matt Mower72c87ce2016-04-26 14:34:56 -0500693 Is_Encrypted = true;
694 Is_Decrypted = false;
Matt Mower72c87ce2016-04-26 14:34:56 -0500695 }
Ethan Yonker93382822018-11-01 15:25:31 -0500696 } else if (Key_Directory.empty()) {
Noah Jacobson81d638d2019-04-28 00:10:07 -0400697 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n",
698 Primary_Block_Device.c_str(), Mount_Point.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500699 }
700 } else {
bigbiff7ba75002020-04-11 20:47:09 -0400701 Set_FBE_Status();
Captain Throwbackc9e6abb2020-12-29 15:54:33 -0500702 int is_device_fbe;
703 DataManager::GetValue(TW_IS_FBE, is_device_fbe);
704 if (!Decrypt_FBE_DE() && is_device_fbe == 1) {
mauronofriofc79aa62019-11-23 23:13:04 +0100705 char wrappedvalue[PROPERTY_VALUE_MAX];
706 property_get("fbe.data.wrappedkey", wrappedvalue, "");
707 std::string wrappedkeyvalue(wrappedvalue);
708 if (wrappedkeyvalue == "true") {
709 LOGERR("Unable to decrypt FBE device\n");
710 } else {
711 LOGINFO("Trying wrapped key.\n");
712 property_set("fbe.data.wrappedkey", "true");
mauronofrio9bf73352019-11-23 22:27:34 +0100713 if (!Decrypt_FBE_DE()) {
bigbiffd58ba182020-03-23 10:02:29 -0400714 LOGERR("Unable to decrypt FBE device\n");
mauronofrio9bf73352019-11-23 22:27:34 +0100715 }
mauronofriofc79aa62019-11-23 23:13:04 +0100716 }
mauronofrio9bf73352019-11-23 22:27:34 +0100717 }
bigbiff7ba75002020-04-11 20:47:09 -0400718 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Matt Mower72c87ce2016-04-26 14:34:56 -0500719 }
720 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted))) {
721 Setup_Data_Media();
bigbiff25d25b92020-06-19 16:07:38 -0400722 Recreate_Media_Folder();
Matt Mower72c87ce2016-04-26 14:34:56 -0500723 }
724#else
725 if (datamedia) {
726 Setup_Data_Media();
727 Recreate_Media_Folder();
728 }
729#endif
730}
731
bigbiff7ba75002020-04-11 20:47:09 -0400732void TWPartition::Set_FBE_Status() {
733 DataManager::SetValue(TW_IS_DECRYPTED, 1);
734 Is_Encrypted = true;
735 Is_Decrypted = true;
bigbiff7ba75002020-04-11 20:47:09 -0400736 if (Key_Directory.empty()) {
737 Is_FBE = false;
738 DataManager::SetValue(TW_IS_FBE, 0);
739 } else {
Captain Throwback57c0f332020-12-29 16:01:10 -0500740 LOGINFO("Setup_Data_Partition::Key_Directory::%s\n", Key_Directory.c_str());
bigbiff7ba75002020-04-11 20:47:09 -0400741 Is_FBE = true;
742 DataManager::SetValue(TW_IS_FBE, 1);
743 }
744}
745
Ethan Yonker93382822018-11-01 15:25:31 -0500746bool TWPartition::Decrypt_FBE_DE() {
bigbiff7ba75002020-04-11 20:47:09 -0400747 if (TWFunc::Path_Exists("/data/unencrypted/key/version")) {
Captain Throwback87d73d62020-02-17 16:44:50 -0500748 DataManager::SetValue(TW_IS_FBE, 1);
Mohd Faraz815e2402020-09-19 19:31:52 +0530749 DataManager::SetValue(TW_CRYPTO_PWTYPE, "0"); // Set initial value so that recovery will not be confused when using unencrypted data or failed to decrypt data
nebrassyf8e1c8a2020-12-16 10:35:25 +0100750 property_set("ro.crypto.state", "encrypted");
nebrassyf74255e2020-10-24 21:08:20 +0200751 property_set("ro.crypto.type", "file");
Ethan Yonker93382822018-11-01 15:25:31 -0500752 LOGINFO("File Based Encryption is present\n");
753#ifdef TW_INCLUDE_FBE
Noah Jacobson81d638d2019-04-28 00:10:07 -0400754 Is_FBE = true;
755 ExcludeAll(Mount_Point + "/convert_fbe");
756 ExcludeAll(Mount_Point + "/unencrypted");
757 ExcludeAll(Mount_Point + "/misc/vold/user_keys");
758 ExcludeAll(Mount_Point + "/misc/vold/volume_keys");
759 ExcludeAll(Mount_Point + "/system/gatekeeper.password.key");
760 ExcludeAll(Mount_Point + "/system/gatekeeper.pattern.key");
761 ExcludeAll(Mount_Point + "/system/locksettings.db");
762 ExcludeAll(Mount_Point + "/system/locksettings.db-wal");
763 ExcludeAll(Mount_Point + "/misc/gatekeeper");
764 ExcludeAll(Mount_Point + "/misc/keystore");
765 ExcludeAll(Mount_Point + "/drm/kek.dat");
766 ExcludeAll(Mount_Point + "/system_de/0/spblob"); // contains data needed to decrypt pixel 2
767 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.password.key");
768 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.pattern.key");
769 ExcludeAll(Mount_Point + "/cache");
770 ExcludeAll(Mount_Point + "/per_boot"); // removed each boot by init
771 int retry_count = 3;
772 while (!Decrypt_DE() && --retry_count)
773 usleep(2000);
774 if (retry_count > 0) {
775 property_set("ro.crypto.state", "encrypted");
776 Is_Encrypted = true;
777 Is_Decrypted = false;
778 DataManager::SetValue(TW_IS_ENCRYPTED, 1);
779 string filename;
780 int pwd_type = Get_Password_Type(0, filename);
781 if (pwd_type < 0) {
782 LOGERR("This TWRP does not have synthetic password decrypt support\n");
783 pwd_type = 0; // default password
Ethan Yonker93382822018-11-01 15:25:31 -0500784 }
Noah Jacobson81d638d2019-04-28 00:10:07 -0400785 PartitionManager.Parse_Users(); // after load_all_de_keys() to parse_users
786 std::vector<users_struct>::iterator iter;
787 std::vector<users_struct>* userList = PartitionManager.Get_Users_List();
788 for (iter = userList->begin(); iter != userList->end(); iter++) {
789 if (atoi((*iter).userId.c_str()) != 0) {
790 ExcludeAll(Mount_Point + "/system_de/" + (*iter).userId + "/spblob");
791 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/gatekeeper.password.key");
792 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/gatekeeper.pattern.key");
793 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/locksettings.db");
794 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/locksettings.db-wal");
795 }
796 }
797 DataManager::SetValue(TW_CRYPTO_PWTYPE, pwd_type);
798 DataManager::SetValue("tw_crypto_pwtype_0", pwd_type);
799 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
800 DataManager::SetValue("tw_crypto_display", "");
801 return true;
802 }
Ethan Yonker93382822018-11-01 15:25:31 -0500803#else
804 LOGERR("FBE found but FBE support not present in TWRP\n");
805#endif
806 }
Captain Throwback87d73d62020-02-17 16:44:50 -0500807 DataManager::SetValue(TW_IS_FBE, 0);
Ethan Yonker93382822018-11-01 15:25:31 -0500808 return false;
809}
810
Matt Mower72c87ce2016-04-26 14:34:56 -0500811void TWPartition::Setup_Cache_Partition(bool Display_Error __unused) {
812 if (Mount_Point != "/cache")
813 return;
814
815 if (!Mount(true))
816 return;
817
818 if (!TWFunc::Path_Exists("/cache/recovery/.")) {
819 LOGINFO("Recreating /cache/recovery folder\n");
820 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
821 LOGERR("Could not create /cache/recovery\n");
822 }
823}
824
Matt Mower4ab42b12016-04-21 13:52:18 -0500825void TWPartition::Process_FS_Flags(const char *str) {
826 char *options = strdup(str);
827 char *ptr, *savep;
Hashcode62bd9e02013-11-19 21:59:42 -0800828
Matt Mower4ab42b12016-04-21 13:52:18 -0500829 Mount_Options = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800830
Matt Mower4ab42b12016-04-21 13:52:18 -0500831 // Avoid issues with potentially nested strtok by using strtok_r
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600832 for (ptr = strtok_r(options, ",", &savep); ptr; ptr = strtok_r(NULL, ",", &savep)) {
833 char *equals = strstr(ptr, "=");
834 size_t name_len;
Matt Mower4ab42b12016-04-21 13:52:18 -0500835
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600836 if (!equals)
837 name_len = strlen(ptr);
838 else
839 name_len = equals - ptr;
840
841 // There are some flags that we want to ignore in TWRP
842 bool found_match = false;
843 for (const char** ignored_mount_item = ignored_mount_items; *ignored_mount_item; ignored_mount_item++) {
844 if (strncmp(ptr, *ignored_mount_item, name_len) == 0) {
845 found_match = true;
Hashcode62bd9e02013-11-19 21:59:42 -0800846 break;
847 }
848 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600849 if (found_match)
850 continue;
Hashcode62bd9e02013-11-19 21:59:42 -0800851
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600852 // mount_flags are never postfixed by '='
853 if (!equals) {
854 const struct flag_list* mount_flag = mount_flags;
855 for (; mount_flag->name; mount_flag++) {
856 if (strcmp(ptr, mount_flag->name) == 0) {
857 if (mount_flag->flag == MS_RDONLY)
858 Mount_Read_Only = true;
859 else
860 Mount_Flags |= (unsigned)mount_flag->flag;
861 found_match = true;
862 break;
863 }
864 }
865 if (found_match)
866 continue;
Matt Mower4ab42b12016-04-21 13:52:18 -0500867 }
868
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600869 // If we aren't ignoring this flag and it's not a mount flag, then it must be a mount option
870 if (!Mount_Options.empty())
871 Mount_Options += ",";
872 Mount_Options += ptr;
Matt Mower4ab42b12016-04-21 13:52:18 -0500873 }
874 free(options);
Hashcode62bd9e02013-11-19 21:59:42 -0800875}
876
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600877void TWPartition::Save_FS_Flags(const string& local_File_System, int local_Mount_Flags, const string& local_Mount_Options) {
878 partition_fs_flags_struct flags;
879 flags.File_System = local_File_System;
880 flags.Mount_Flags = local_Mount_Flags;
881 flags.Mount_Options = local_Mount_Options;
882 fs_flags.push_back(flags);
883}
884
Matt Mower2416a502016-04-12 19:54:46 -0500885void TWPartition::Apply_TW_Flag(const unsigned flag, const char* str, const bool val) {
886 switch (flag) {
887 case TWFLAG_ANDSEC:
888 Has_Android_Secure = val;
889 break;
890 case TWFLAG_BACKUP:
891 Can_Be_Backed_Up = val;
892 break;
893 case TWFLAG_BACKUPNAME:
894 Backup_Display_Name = str;
895 break;
896 case TWFLAG_BLOCKSIZE:
897 Format_Block_Size = (unsigned long)(atol(str));
898 break;
899 case TWFLAG_CANBEWIPED:
900 Can_Be_Wiped = val;
901 break;
902 case TWFLAG_CANENCRYPTBACKUP:
903 Can_Encrypt_Backup = val;
904 break;
905 case TWFLAG_DEFAULTS:
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600906 case TWFLAG_WAIT:
907 case TWFLAG_VERIFY:
908 case TWFLAG_CHECK:
909 case TWFLAG_NOTRIM:
910 case TWFLAG_VOLDMANAGED:
911 case TWFLAG_RESIZE:
Matt Mower2416a502016-04-12 19:54:46 -0500912 // Do nothing
913 break;
914 case TWFLAG_DISPLAY:
915 Display_Name = str;
916 break;
917 case TWFLAG_ENCRYPTABLE:
918 case TWFLAG_FORCEENCRYPT:
919 Crypto_Key_Location = str;
920 break;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500921 case TWFLAG_FILEENCRYPTION:
922 // This flag isn't used by TWRP but is needed in 9.0 FBE decrypt
923 // fileencryption=ice:aes-256-heh
924 {
925 std::string FBE = str;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500926 size_t colon_loc = FBE.find(":");
927 if (colon_loc == std::string::npos) {
Ethan Yonker93382822018-11-01 15:25:31 -0500928 property_set("fbe.contents", FBE.c_str());
929 property_set("fbe.filenames", "");
930 LOGINFO("FBE contents '%s', filenames ''\n", FBE.c_str());
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500931 break;
932 }
Ethan Yonker93382822018-11-01 15:25:31 -0500933 std::string FBE_contents, FBE_filenames;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500934 FBE_contents = FBE.substr(0, colon_loc);
935 FBE_filenames = FBE.substr(colon_loc + 1);
936 property_set("fbe.contents", FBE_contents.c_str());
937 property_set("fbe.filenames", FBE_filenames.c_str());
938 LOGINFO("FBE contents '%s', filenames '%s'\n", FBE_contents.c_str(), FBE_filenames.c_str());
939 }
940 break;
Peter Cai28ea7b02019-05-24 11:38:54 +0800941 case TWFLAG_WRAPPEDKEY:
Captain Throwbackd9a94fc2020-12-29 16:46:16 -0500942 // Set wrappedkey props to true for data and/or metadata
Peter Cai28ea7b02019-05-24 11:38:54 +0800943 {
Captain Throwbackd9a94fc2020-12-29 16:46:16 -0500944 size_t slash_loc = Mount_Point.find('/');
945 std::string partition = Mount_Point.substr(slash_loc + 1);
946 if (Mount_Point == "/data" || Mount_Point == "/metadata") {
947 std::string wrapped_prop = "fbe." + partition + ".wrappedkey";
948 property_set(wrapped_prop.c_str(), "true");
949 LOGINFO("FBE wrapped key enabled for %s\n", Mount_Point.c_str());
950 }
Peter Cai28ea7b02019-05-24 11:38:54 +0800951 }
952 break;
Matt Mower2416a502016-04-12 19:54:46 -0500953 case TWFLAG_FLASHIMG:
954 Can_Flash_Img = val;
955 break;
956 case TWFLAG_FSFLAGS:
Matt Mower4ab42b12016-04-21 13:52:18 -0500957 Process_FS_Flags(str);
Matt Mower2416a502016-04-12 19:54:46 -0500958 break;
959 case TWFLAG_IGNOREBLKID:
960 Ignore_Blkid = val;
961 break;
962 case TWFLAG_LENGTH:
963 Length = atoi(str);
964 break;
965 case TWFLAG_MOUNTTODECRYPT:
966 Mount_To_Decrypt = val;
967 break;
968 case TWFLAG_REMOVABLE:
969 Removable = val;
970 break;
Matt Mower2416a502016-04-12 19:54:46 -0500971 case TWFLAG_SETTINGSSTORAGE:
972 Is_Settings_Storage = val;
973 if (Is_Settings_Storage)
974 Is_Storage = true;
975 break;
976 case TWFLAG_STORAGE:
977 Is_Storage = val;
978 break;
979 case TWFLAG_STORAGENAME:
980 Storage_Name = str;
981 break;
982 case TWFLAG_SUBPARTITIONOF:
983 Is_SubPartition = true;
984 SubPartition_Of = str;
985 break;
986 case TWFLAG_SYMLINK:
987 Symlink_Path = str;
988 break;
989 case TWFLAG_USERDATAENCRYPTBACKUP:
990 Use_Userdata_Encryption = val;
991 if (Use_Userdata_Encryption)
992 Can_Encrypt_Backup = true;
993 break;
994 case TWFLAG_USERMRF:
995 Use_Rm_Rf = val;
996 break;
997 case TWFLAG_WIPEDURINGFACTORYRESET:
998 Wipe_During_Factory_Reset = val;
999 if (Wipe_During_Factory_Reset) {
1000 Can_Be_Wiped = true;
1001 Wipe_Available_in_GUI = true;
1002 }
1003 break;
1004 case TWFLAG_WIPEINGUI:
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001005 case TWFLAG_FORMATTABLE:
Matt Mower2416a502016-04-12 19:54:46 -05001006 Wipe_Available_in_GUI = val;
1007 if (Wipe_Available_in_GUI)
1008 Can_Be_Wiped = true;
1009 break;
Ethan Yonker1b190162016-12-05 15:25:19 -06001010 case TWFLAG_SLOTSELECT:
1011 SlotSelect = true;
1012 break;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001013 case TWFLAG_ALTDEVICE:
1014 Alternate_Block_Device = str;
1015 break;
Peter Caife14cc12019-10-17 08:49:10 +08001016 case TWFLAG_ADOPTED_MOUNT_DELAY:
1017 Adopted_Mount_Delay = atoi(str);
1018 break;
Ethan Yonker93382822018-11-01 15:25:31 -05001019 case TWFLAG_KEYDIRECTORY:
1020 Key_Directory = str;
bigbiffd58ba182020-03-23 10:02:29 -04001021 break;
Peter Cai0a1ba592019-11-02 19:22:38 +08001022 case TWFLAG_DM_USE_ORIGINAL_PATH:
1023 Use_Original_Path = true;
1024 break;
Matt Mower2416a502016-04-12 19:54:46 -05001025 default:
1026 // Should not get here
1027 LOGINFO("Flag identified for processing, but later unmatched: %i\n", flag);
1028 break;
1029 }
1030}
Dees_Troy51127312012-09-08 13:08:49 -04001031
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001032void TWPartition::Process_TW_Flags(char *flags, bool Display_Error, int fstab_ver) {
Matt Mower2416a502016-04-12 19:54:46 -05001033 char separator[2] = {'\n', 0};
1034 char *ptr, *savep;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001035 char source_separator = ';';
1036
1037 if (fstab_ver == 2)
1038 source_separator = ',';
Matt Mower2416a502016-04-12 19:54:46 -05001039
1040 // Semicolons within double-quotes are not forbidden, so replace
1041 // only the semicolons intended as separators with '\n' for strtok
1042 for (unsigned i = 0, skip = 0; i < strlen(flags); i++) {
1043 if (flags[i] == '\"')
Dees_Troya13d74f2013-03-24 08:54:55 -05001044 skip = !skip;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001045 if (!skip && flags[i] == source_separator)
Matt Mower2416a502016-04-12 19:54:46 -05001046 flags[i] = separator[0];
Dees_Troy51127312012-09-08 13:08:49 -04001047 }
1048
Matt Mower2416a502016-04-12 19:54:46 -05001049 // Avoid issues with potentially nested strtok by using strtok_r
1050 ptr = strtok_r(flags, separator, &savep);
1051 while (ptr) {
1052 int ptr_len = strlen(ptr);
1053 const struct flag_list* tw_flag = tw_flags;
Hashcode62bd9e02013-11-19 21:59:42 -08001054
Matt Mower2416a502016-04-12 19:54:46 -05001055 for (; tw_flag->name; tw_flag++) {
1056 int flag_len = strlen(tw_flag->name);
1057
1058 if (strncmp(ptr, tw_flag->name, flag_len) == 0) {
1059 bool flag_val = false;
1060
1061 if (ptr_len > flag_len && (tw_flag->name)[flag_len-1] != '='
1062 && ptr[flag_len] != '=') {
1063 // Handle flags with same starting string
1064 // (e.g. backup and backupname)
1065 continue;
1066 } else if (ptr_len > flag_len && ptr[flag_len] == '=') {
1067 // Handle flags with dual format: Part 1
1068 // (e.g. backup and backup=y. backup=y handled here)
1069 ptr += flag_len + 1;
1070 TWFunc::Strip_Quotes(ptr);
1071 // Skip flags with empty argument
1072 // (e.g. backup=)
1073 if (strlen(ptr) == 0) {
1074 LOGINFO("Flag missing argument or should not include '=': %s=\n", tw_flag->name);
1075 break;
1076 }
1077 flag_val = strchr("yY1", *ptr) != NULL;
1078 } else if (ptr_len == flag_len
1079 && (tw_flag->name)[flag_len-1] == '=') {
1080 // Skip flags missing argument after =
1081 // (e.g. backupname=)
1082 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1083 break;
1084 } else if (ptr_len > flag_len
1085 && (tw_flag->name)[flag_len-1] == '=') {
1086 // Handle arguments to flags
1087 // (e.g. backupname="My Stuff")
1088 ptr += flag_len;
1089 TWFunc::Strip_Quotes(ptr);
1090 // Skip flags with empty argument
1091 // (e.g. backupname="")
1092 if (strlen(ptr) == 0) {
1093 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1094 break;
1095 }
1096 } else if (ptr_len == flag_len) {
1097 // Handle flags with dual format: Part 2
1098 // (e.g. backup and backup=y. backup handled here)
1099 flag_val = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001100 } else {
Matt Mower2416a502016-04-12 19:54:46 -05001101 LOGINFO("Flag matched, but could not be processed: %s\n", ptr);
1102 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001103 }
Matt Mower2416a502016-04-12 19:54:46 -05001104
1105 Apply_TW_Flag(tw_flag->flag, ptr, flag_val);
1106 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001107 }
Matt Mower2416a502016-04-12 19:54:46 -05001108 }
1109 if (tw_flag->name == 0) {
Dees_Troy51127312012-09-08 13:08:49 -04001110 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001111 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001112 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001113 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001114 }
Matt Mower2416a502016-04-12 19:54:46 -05001115 ptr = strtok_r(NULL, separator, &savep);
Dees_Troy51127312012-09-08 13:08:49 -04001116 }
Dees_Troy51a0e822012-09-05 15:24:24 -04001117}
1118
Dees_Troy5bf43922012-09-07 16:07:55 -04001119bool TWPartition::Is_File_System(string File_System) {
1120 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -04001121 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001122 File_System == "ext4" ||
1123 File_System == "vfat" ||
1124 File_System == "ntfs" ||
1125 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -05001126 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +00001127 File_System == "f2fs" ||
Erfan Abdib859e912019-02-05 18:18:46 +02001128 File_System == "squashfs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001129 File_System == "auto")
1130 return true;
1131 else
1132 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001133}
1134
Dees_Troy5bf43922012-09-07 16:07:55 -04001135bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -04001136 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -04001137 return true;
1138 else
1139 return false;
1140}
1141
Dees_Troy51127312012-09-08 13:08:49 -04001142bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Ethan Yonker93ac7a02016-11-07 22:05:58 -06001143 if (TWFunc::Get_D_Type_From_Stat(Path) != S_IFDIR)
1144 unlink(Path.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001145 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -04001146 if (mkdir(Path.c_str(), 0777) == -1) {
1147 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001148 gui_msg(Msg(msg::kError, "create_folder_strerr=Can not create '{1}' folder ({2}).")(Path)(strerror(errno)));
Dees_Troy51127312012-09-08 13:08:49 -04001149 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001150 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001151 return false;
1152 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001153 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001154 return true;
1155 }
1156 }
1157 return true;
1158}
1159
Dees_Troy5bf43922012-09-07 16:07:55 -04001160void TWPartition::Setup_File_System(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001161 Can_Be_Mounted = true;
1162 Can_Be_Wiped = true;
1163
Dees_Troy5bf43922012-09-07 16:07:55 -04001164 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -04001165 Make_Dir(Mount_Point, Display_Error);
bigbiffce8f83c2015-12-12 18:30:21 -05001166 Backup_Method = BM_FILES;
Dees_Troy5bf43922012-09-07 16:07:55 -04001167}
1168
Ethan Yonker1b190162016-12-05 15:25:19 -06001169void TWPartition::Setup_Image() {
Dees_Troy5bf43922012-09-07 16:07:55 -04001170 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
1171 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -08001172 if (Current_File_System == "emmc")
bigbiffce8f83c2015-12-12 18:30:21 -05001173 Backup_Method = BM_DD;
Gary Peck82599a82012-11-21 16:23:12 -08001174 else if (Current_File_System == "mtd" || Current_File_System == "bml")
bigbiffce8f83c2015-12-12 18:30:21 -05001175 Backup_Method = BM_FLASH_UTILS;
Dees_Troy5bf43922012-09-07 16:07:55 -04001176 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001177 LOGINFO("Unhandled file system '%s' on image '%s'\n", Current_File_System.c_str(), Display_Name.c_str());
Dees_Troy51a0e822012-09-05 15:24:24 -04001178}
1179
Dees_Troye58d5262012-09-21 12:27:57 -04001180void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -05001181 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -04001182 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -05001183 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -04001184 Has_Android_Secure = true;
1185 Symlink_Path = Mount_Point + "/.android_secure";
1186 Symlink_Mount_Point = "/and-sec";
1187 Backup_Path = Symlink_Mount_Point;
1188 Make_Dir("/and-sec", true);
1189 Recreate_AndSec_Folder();
Kjell Braden3126a112016-06-19 16:58:15 +00001190 Mount_Storage_Retry(true);
Dees_Troye58d5262012-09-21 12:27:57 -04001191}
1192
that9e0593e2014-10-08 00:01:24 +02001193void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -05001194 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
Ethan Yonker66a19492015-12-10 10:19:45 -06001195 if (Storage_Name.empty() || Storage_Name == "Data")
1196 Storage_Name = "Internal Storage";
Ethan Yonker6277c792014-09-15 14:54:30 -05001197 Has_Data_Media = true;
1198 Is_Storage = true;
Ethan Yonker66a19492015-12-10 10:19:45 -06001199 Storage_Path = Mount_Point + "/media";
Ethan Yonker6277c792014-09-15 14:54:30 -05001200 Symlink_Path = Storage_Path;
Ethan Yonker66a19492015-12-10 10:19:45 -06001201 if (Mount_Point == "/data") {
1202 Is_Settings_Storage = true;
1203 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
1204 Make_Dir("/emmc", false);
1205 Symlink_Mount_Point = "/emmc";
1206 } else {
1207 Make_Dir("/sdcard", false);
1208 Symlink_Mount_Point = "/sdcard";
1209 }
1210 if (Mount(false) && TWFunc::Path_Exists(Mount_Point + "/media/0")) {
1211 Storage_Path = Mount_Point + "/media/0";
1212 Symlink_Path = Storage_Path;
1213 DataManager::SetValue(TW_INTERNAL_PATH, Mount_Point + "/media/0");
1214 UnMount(true);
1215 }
1216 DataManager::SetValue("tw_has_internal", 1);
1217 DataManager::SetValue("tw_has_data_media", 1);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06001218 backup_exclusions.add_absolute_dir("/data/data/com.google.android.music/files");
bigbiff25d25b92020-06-19 16:07:38 -04001219 backup_exclusions.add_absolute_dir("/data/per_boot"); // DJ9,14Jan2020 - exclude this dir to prevent "error 255" on AOSP ROMs that create and lock it
DarthJabba943d70f42020-08-04 10:31:27 +01001220 backup_exclusions.add_absolute_dir("/data/vendor/dumpsys");
bigbiff25d25b92020-06-19 16:07:38 -04001221 backup_exclusions.add_absolute_dir("/data/cache");
Ethan Yonker6355b562017-05-01 09:42:17 -05001222 wipe_exclusions.add_absolute_dir(Mount_Point + "/misc/vold"); // adopted storage keys
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001223 ExcludeAll(Mount_Point + "/system/storage.xml");
Ethan Yonker6277c792014-09-15 14:54:30 -05001224 } else {
Ethan Yonker66a19492015-12-10 10:19:45 -06001225 if (Mount(true) && TWFunc::Path_Exists(Mount_Point + "/media/0")) {
1226 Storage_Path = Mount_Point + "/media/0";
1227 Symlink_Path = Storage_Path;
1228 UnMount(true);
1229 }
Ethan Yonker6277c792014-09-15 14:54:30 -05001230 }
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001231 ExcludeAll(Mount_Point + "/media");
Ethan Yonker6277c792014-09-15 14:54:30 -05001232}
1233
Dees_Troy5bf43922012-09-07 16:07:55 -04001234void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001235 char device[PATH_MAX], realDevice[PATH_MAX];
Dees_Troy5bf43922012-09-07 16:07:55 -04001236
Peter Cai0a1ba592019-11-02 19:22:38 +08001237 Original_Path = Block;
1238
Dees_Troy5bf43922012-09-07 16:07:55 -04001239 strcpy(device, Block.c_str());
1240 memset(realDevice, 0, sizeof(realDevice));
1241 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
1242 {
1243 strcpy(device, realDevice);
1244 memset(realDevice, 0, sizeof(realDevice));
1245 }
1246
1247 if (device[0] != '/') {
1248 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001249 LOGERR("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001250 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001251 LOGINFO("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001252 return;
Dees_Troy51a0e822012-09-05 15:24:24 -04001253 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001254 Block = device;
1255 return;
1256 }
1257}
1258
Kjell Braden3126a112016-06-19 16:58:15 +00001259bool TWPartition::Mount_Storage_Retry(bool Display_Error) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001260 // On some devices, storage doesn't want to mount right away, retry and sleep
Kjell Braden3126a112016-06-19 16:58:15 +00001261 if (!Mount(Display_Error)) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001262 int retry_count = 5;
1263 while (retry_count > 0 && !Mount(false)) {
1264 usleep(500000);
1265 retry_count--;
1266 }
Kjell Braden3126a112016-06-19 16:58:15 +00001267 return Mount(Display_Error);
Dees_Troy8e337f32012-10-13 22:07:49 -04001268 }
Kjell Braden3126a112016-06-19 16:58:15 +00001269 return true;
Dees_Troy8e337f32012-10-13 22:07:49 -04001270}
1271
Dees_Troy38bd7602012-09-14 13:33:53 -04001272bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
1273 FILE *fp = NULL;
1274 char line[255];
1275
1276 fp = fopen("/proc/mtd", "rt");
1277 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001278 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001279 return false;
1280 }
1281
1282 while (fgets(line, sizeof(line), fp) != NULL)
1283 {
1284 char device[32], label[32];
1285 unsigned long size = 0;
Dees_Troy38bd7602012-09-14 13:33:53 -04001286 int deviceId;
1287
1288 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
1289
1290 // Skip header and blank lines
1291 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
1292 continue;
1293
1294 // Strip off the trailing " from the label
1295 label[strlen(label)-1] = '\0';
1296
1297 if (strcmp(label, MTD_Name.c_str()) == 0) {
1298 // We found our device
1299 // Strip off the trailing : from the device
1300 device[strlen(device)-1] = '\0';
1301 if (sscanf(device,"mtd%d", &deviceId) == 1) {
1302 sprintf(device, "/dev/block/mtdblock%d", deviceId);
1303 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +00001304 fclose(fp);
1305 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001306 }
1307 }
1308 }
1309 fclose(fp);
1310
1311 return false;
1312}
1313
Dees_Troy51127312012-09-08 13:08:49 -04001314bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
1315 struct statfs st;
1316 string Local_Path = Mount_Point + "/.";
1317
1318 if (!Mount(Display_Error))
1319 return false;
1320
1321 if (statfs(Local_Path.c_str(), &st) != 0) {
1322 if (!Removable) {
1323 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001324 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001325 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001326 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001327 }
1328 return false;
1329 }
1330 Size = (st.f_blocks * st.f_bsize);
1331 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
1332 Free = (st.f_bfree * st.f_bsize);
1333 Backup_Size = Used;
1334 return true;
1335}
1336
1337bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001338 FILE* fp;
1339 char command[255], line[512];
1340 int include_block = 1;
1341 unsigned int min_len;
1342
1343 if (!Mount(Display_Error))
1344 return false;
1345
Dees_Troy38bd7602012-09-14 13:33:53 -04001346 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -04001347 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001348 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -04001349 fp = fopen("/tmp/dfoutput.txt", "rt");
1350 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001351 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -04001352 return false;
Dees_Troy51127312012-09-08 13:08:49 -04001353 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001354
1355 while (fgets(line, sizeof(line), fp) != NULL)
1356 {
1357 unsigned long blocks, used, available;
1358 char device[64];
1359 char tmpString[64];
1360
1361 if (strncmp(line, "Filesystem", 10) == 0)
1362 continue;
1363 if (strlen(line) < min_len) {
1364 include_block = 0;
1365 continue;
1366 }
1367 if (include_block) {
1368 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
1369 } else {
1370 // The device block string is so long that the df information is on the next line
1371 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -04001372 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001373 while (tmpString[space_count] == 32)
1374 space_count++;
1375 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
1376 }
1377
1378 // Adjust block size to byte size
1379 Size = blocks * 1024ULL;
1380 Used = used * 1024ULL;
1381 Free = available * 1024ULL;
1382 Backup_Size = Used;
1383 }
1384 fclose(fp);
1385 return true;
1386}
1387
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001388unsigned long long TWPartition::IOCTL_Get_Block_Size() {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001389 Find_Actual_Block_Device();
Ethan Yonker483e9f42016-01-11 22:21:18 -06001390
1391 return TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001392}
1393
Dees_Troy5bf43922012-09-07 16:07:55 -04001394bool TWPartition::Find_Partition_Size(void) {
1395 FILE* fp;
1396 char line[512];
1397 string tmpdevice;
1398
igoriok87e3d932013-01-31 21:03:53 +02001399 fp = fopen("/proc/dumchar_info", "rt");
1400 if (fp != NULL) {
1401 while (fgets(line, sizeof(line), fp) != NULL)
1402 {
1403 char label[32], device[32];
1404 unsigned long size = 0;
1405
thatd43bf2d2014-09-21 23:13:02 +02001406 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +02001407
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001408 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +02001409 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
1410 continue;
1411
1412 tmpdevice = "/dev/";
1413 tmpdevice += label;
1414 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
1415 Size = size;
1416 fclose(fp);
1417 return true;
1418 }
1419 }
1420 }
1421
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001422 unsigned long long ioctl_size = IOCTL_Get_Block_Size();
1423 if (ioctl_size) {
1424 Size = ioctl_size;
1425 return true;
1426 }
1427
Dees_Troy5bf43922012-09-07 16:07:55 -04001428 // In this case, we'll first get the partitions we care about (with labels)
1429 fp = fopen("/proc/partitions", "rt");
1430 if (fp == NULL)
1431 return false;
1432
1433 while (fgets(line, sizeof(line), fp) != NULL)
1434 {
1435 unsigned long major, minor, blocks;
1436 char device[512];
Dees_Troy5bf43922012-09-07 16:07:55 -04001437
Dees_Troy63c8df72012-09-10 14:02:05 -04001438 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -04001439 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
1440
1441 tmpdevice = "/dev/block/";
1442 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -04001443 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001444 // Adjust block size to byte size
1445 Size = blocks * 1024ULL;
1446 fclose(fp);
1447 return true;
1448 }
1449 }
1450 fclose(fp);
1451 return false;
1452}
1453
Dees_Troy5bf43922012-09-07 16:07:55 -04001454bool TWPartition::Is_Mounted(void) {
1455 if (!Can_Be_Mounted)
1456 return false;
1457
1458 struct stat st1, st2;
1459 string test_path;
1460
1461 // Check to see if the mount point directory exists
1462 test_path = Mount_Point + "/.";
1463 if (stat(test_path.c_str(), &st1) != 0) return false;
1464
1465 // Check to see if the directory above the mount point exists
1466 test_path = Mount_Point + "/../.";
1467 if (stat(test_path.c_str(), &st2) != 0) return false;
1468
1469 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
1470 int ret = (st1.st_dev != st2.st_dev) ? true : false;
Dees_Troy5bf43922012-09-07 16:07:55 -04001471 return ret;
1472}
1473
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001474bool TWPartition::Is_File_System_Writable(void) {
1475 if (!Is_File_System(Current_File_System) || !Is_Mounted())
1476 return false;
1477
1478 string test_path = Mount_Point + "/.";
1479 return (access(test_path.c_str(), W_OK) == 0);
1480}
1481
Dees_Troy5bf43922012-09-07 16:07:55 -04001482bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001483 int exfat_mounted = 0;
Martin Dünkelmann6d843782018-12-27 23:40:28 +01001484 unsigned int flags = Mount_Flags;
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001485
Dees_Troy5bf43922012-09-07 16:07:55 -04001486 if (Is_Mounted()) {
1487 return true;
1488 } else if (!Can_Be_Mounted) {
1489 return false;
1490 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001491
1492 Find_Actual_Block_Device();
1493
1494 // Check the current file system before mounting
1495 Check_FS_Type();
bigbiffad58e1b2020-07-06 20:24:34 -04001496 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/exfat-fuse")) {
1497 string cmd = "/system/bin/exfat-fuse -o big_writes,max_read=131072,max_write=131072 " + Actual_Block_Device + " " + Mount_Point;
Dees_Troy2673cec2013-04-02 20:22:16 +00001498 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001499 string result;
bigbiffad58e1b2020-07-06 20:24:34 -04001500 if (TWFunc::Exec_Cmd(cmd, result, false) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001501 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001502 Current_File_System = "vfat";
1503 } else {
1504#ifdef TW_NO_EXFAT_FUSE
1505 UnMount(false);
1506 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
1507 // Some kernels let us mount vfat as exfat which doesn't work out too well
1508#else
1509 exfat_mounted = 1;
1510#endif
1511 }
1512 }
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001513
Captain Throwback47bf7202020-10-06 17:39:39 -04001514 if (Current_File_System == "ntfs" && !TWFunc::Path_Exists("/sys/module/tntfs") && (TWFunc::Path_Exists("/system/bin/ntfs-3g") || TWFunc::Path_Exists("/system/bin/mount.ntfs"))) {
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001515 string cmd;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001516 string Ntfsmount_Binary = "";
1517
bigbiffad58e1b2020-07-06 20:24:34 -04001518 if (TWFunc::Path_Exists("/system/bin/ntfs-3g"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001519 Ntfsmount_Binary = "ntfs-3g";
bigbiffad58e1b2020-07-06 20:24:34 -04001520 else if (TWFunc::Path_Exists("/system/bin/mount.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001521 Ntfsmount_Binary = "mount.ntfs";
1522
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001523 if (Mount_Read_Only)
bigbiffad58e1b2020-07-06 20:24:34 -04001524 cmd = "/system/bin/" + Ntfsmount_Binary + " -o ro " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001525 else
bigbiffad58e1b2020-07-06 20:24:34 -04001526 cmd = "/system/bin/" + Ntfsmount_Binary + " " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001527 LOGINFO("cmd: '%s'\n", cmd.c_str());
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001528
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001529 if (TWFunc::Exec_Cmd(cmd) == 0) {
1530 return true;
1531 } else {
1532 LOGINFO("ntfs-3g failed to mount, trying regular mount method.\n");
1533 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001534 } else {
1535 if (Current_File_System == "ntfs" && TWFunc::Path_Exists("/sys/module/tntfs"))
1536 Current_File_System = "tntfs";
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001537 }
1538
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001539 if (Mount_Read_Only)
1540 flags |= MS_RDONLY;
1541
Dees_Troy22042032012-12-18 21:23:08 +00001542 if (Fstab_File_System == "yaffs2") {
1543 // mount an MTD partition as a YAFFS2 filesystem.
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001544 flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
1545 if (Mount_Read_Only)
1546 flags |= MS_RDONLY;
Dees_Troy76543db2013-06-19 16:24:30 +00001547 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
1548 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
1549 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001550 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001551 else
1552 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1553 return false;
1554 } else {
1555 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
1556 return true;
1557 }
1558 } else {
1559 struct stat st;
1560 string test_path = Mount_Point;
1561 if (stat(test_path.c_str(), &st) < 0) {
1562 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001563 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001564 else
1565 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1566 return false;
1567 }
1568 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
1569 if (new_mode != st.st_mode) {
1570 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
1571 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
1572 if (Display_Error)
1573 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1574 else
1575 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1576 return false;
1577 }
1578 }
Dees_Troy22042032012-12-18 21:23:08 +00001579 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001580 }
thatc7572eb2015-03-31 18:55:30 +02001581 }
1582
1583 string mount_fs = Current_File_System;
1584 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sys/module/texfat"))
1585 mount_fs = "texfat";
1586
1587 if (!exfat_mounted &&
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001588 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, Mount_Options.c_str()) != 0 &&
1589 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001590#ifdef TW_NO_EXFAT_FUSE
1591 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001592 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001593 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001594 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001595 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy85f44ed2013-01-09 18:42:36 +00001596 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001597 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001598 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 +00001599 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001600 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001601 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001602#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001603 if (!Removable && Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001604 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001605 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001606 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1607 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 +00001608 return false;
1609#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001610 }
1611#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001612 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001613
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001614 if (Removable)
1615 Update_Size(Display_Error);
1616
xiaolu9416f4f2015-06-04 08:22:23 +08001617 if (!Symlink_Mount_Point.empty() && TWFunc::Path_Exists(Symlink_Path)) {
bigbiffad58e1b2020-07-06 20:24:34 -04001618 string Command = "/system/bin/mount -o bind '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
Vojtech Bocek05534202013-09-11 08:11:56 +02001619 TWFunc::Exec_Cmd(Command);
Dees_Troy5bf43922012-09-07 16:07:55 -04001620 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001621 return true;
1622}
1623
1624bool TWPartition::UnMount(bool Display_Error) {
1625 if (Is_Mounted()) {
1626 int never_unmount_system;
1627
1628 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
Captain Throwback9d6feb52018-07-27 10:05:24 -04001629 if (never_unmount_system == 1 && Mount_Point == PartitionManager.Get_Android_Root_Path())
Dees_Troy5bf43922012-09-07 16:07:55 -04001630 return true; // Never unmount system if you're not supposed to unmount it
1631
Matt Mowera8e6d832017-02-14 20:20:59 -06001632 if (Is_Storage && MTP_Storage_ID > 0)
Ethan Yonker726a0202014-12-16 20:01:38 -06001633 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001634
Dees_Troy38bd7602012-09-14 13:33:53 -04001635 if (!Symlink_Mount_Point.empty())
1636 umount(Symlink_Mount_Point.c_str());
1637
Dees_Troyb05ddee2013-01-28 20:24:50 +00001638 umount(Mount_Point.c_str());
1639 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001640 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001641 gui_msg(Msg(msg::kError, "fail_unmount=Failed to unmount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy5bf43922012-09-07 16:07:55 -04001642 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001643 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001644 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001645 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001646 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001647 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001648 } else {
1649 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001650 }
1651}
1652
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001653bool TWPartition::ReMount(bool Display_Error) {
1654 if (UnMount(Display_Error))
1655 return Mount(Display_Error);
1656 return false;
1657}
1658
1659bool TWPartition::ReMount_RW(bool Display_Error) {
1660 // No need to remount if already mounted rw
1661 if (Is_File_System_Writable())
1662 return true;
1663
1664 bool ro = Mount_Read_Only;
1665 int flags = Mount_Flags;
1666
1667 Mount_Read_Only = false;
1668 Mount_Flags &= ~MS_RDONLY;
1669
1670 bool ret = ReMount(Display_Error);
1671
1672 Mount_Read_Only = ro;
1673 Mount_Flags = flags;
1674
1675 return ret;
1676}
1677
Gary Peck43acadf2012-11-21 21:19:01 -08001678bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001679 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b312013-01-15 16:51:18 +00001680 int check;
Dees_Troy16c2b312013-01-15 16:51:18 +00001681
Dees_Troy38bd7602012-09-14 13:33:53 -04001682 if (!Can_Be_Wiped) {
Matt Mower3c366972015-12-25 19:28:31 -06001683 gui_msg(Msg(msg::kError, "cannot_wipe=Partition {1} cannot be wiped.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001684 return false;
1685 }
1686
Dees_Troyc51f1f92012-09-20 15:32:13 -04001687 if (Mount_Point == "/cache")
Dees_Troy2673cec2013-04-02 20:22:16 +00001688 Log_Offset = 0;
Dees_Troyc51f1f92012-09-20 15:32:13 -04001689
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001690 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001691 wiped = Wipe_Data_Without_Wiping_Media();
bigbiff25d25b92020-06-19 16:07:38 -04001692 if (Mount_Point == "/data" && TWFunc::get_log_dir() == DATA_LOGS_DIR) {
1693 bool created = PartitionManager.Recreate_Logs_Dir();
1694 if (!created)
1695 LOGERR("Unable to create log directory for TWRP\n");
bigbiff7ba75002020-04-11 20:47:09 -04001696 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001697 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001698 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001699 DataManager::GetValue(TW_RM_RF_VAR, check);
1700
Hashcodedabfd492013-08-29 22:45:30 -07001701 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001702 wiped = Wipe_RMRF();
1703 else if (New_File_System == "ext4")
1704 wiped = Wipe_EXT4();
1705 else if (New_File_System == "ext2" || New_File_System == "ext3")
dianlujitao4879b372018-12-03 18:45:47 +08001706 wiped = Wipe_EXTFS(New_File_System);
Dees_Troy16c2b312013-01-15 16:51:18 +00001707 else if (New_File_System == "exfat")
1708 wiped = Wipe_EXFAT();
Captain Throwback47bf7202020-10-06 17:39:39 -04001709 else if (New_File_System == "ntfs" || Current_File_System == "tntfs")
1710 wiped = Wipe_NTFS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001711 else if (New_File_System == "yaffs2")
1712 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001713 else if (New_File_System == "f2fs")
1714 wiped = Wipe_F2FS();
Captain Throwback47bf7202020-10-06 17:39:39 -04001715 else if (New_File_System == "vfat")
1716 wiped = Wipe_FAT();
Dees_Troy16c2b312013-01-15 16:51:18 +00001717 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001718 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 +00001719 return false;
1720 }
1721 update_crypt = wiped;
bigbiff7ba75002020-04-11 20:47:09 -04001722 update_crypt = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001723 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001724
Gary Pecke8bc5d72012-12-21 06:45:25 -08001725 if (wiped) {
Mohd Faraze1d72622020-06-15 00:28:32 +05301726 if (Mount_Point == "/cache" && TWFunc::get_log_dir() != DATA_LOGS_DIR)
1727 DataManager::Output_Version();
1728
Dees_Troy16c2b312013-01-15 16:51:18 +00001729 if (update_crypt) {
1730 Setup_File_System(false);
1731 if (Is_Encrypted && !Is_Decrypted) {
1732 // just wiped an encrypted partition back to its unencrypted state
1733 Is_Encrypted = false;
1734 Is_Decrypted = false;
1735 Decrypted_Block_Device = "";
1736 if (Mount_Point == "/data") {
1737 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1738 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1739 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001740 }
1741 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001742
bigbiff7ba75002020-04-11 20:47:09 -04001743 // if (Is_Storage && Mount(false))
1744 // PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Gary Pecke8bc5d72012-12-21 06:45:25 -08001745 }
Matt Mower209c9632016-01-20 12:08:35 -06001746
Gary Pecke8bc5d72012-12-21 06:45:25 -08001747 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001748}
1749
Gary Peck43acadf2012-11-21 21:19:01 -08001750bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001751 if (Is_File_System(Current_File_System))
1752 return Wipe(Current_File_System);
1753 else
1754 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001755}
1756
Dees_Troye58d5262012-09-21 12:27:57 -04001757bool TWPartition::Wipe_AndSec(void) {
1758 if (!Has_Android_Secure)
1759 return false;
1760
Dees_Troye58d5262012-09-21 12:27:57 -04001761 if (!Mount(true))
1762 return false;
1763
Ethan Yonker74db1572015-10-28 12:44:49 -05001764 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001765 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001766 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001767}
1768
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001769bool TWPartition::Can_Repair() {
Ethan Yonkera2719152015-05-28 09:44:41 -05001770 if (Mount_Read_Only)
1771 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001772 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/system/bin/fsck.fat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001773 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001774 else if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/system/bin/e2fsck"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001775 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001776 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/fsck.exfat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001777 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001778 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/system/bin/fsck.f2fs"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001779 return true;
Captain Throwback47bf7202020-10-06 17:39:39 -04001780 else if ((Current_File_System == "ntfs" || Current_File_System == "tntfs") && (TWFunc::Path_Exists("/system/bin/ntfsfix") || TWFunc::Path_Exists("/system/bin/fsck.ntfs")))
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001781 return true;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001782 return false;
1783}
1784
1785bool TWPartition::Repair() {
1786 string command;
1787
1788 if (Current_File_System == "vfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001789 if (!TWFunc::Path_Exists("/system/bin/fsck.fat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001790 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001791 return false;
1792 }
1793 if (!UnMount(true))
1794 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001795 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001796 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001797 command = "/system/bin/fsck.fat -y " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001798 LOGINFO("Repair command: %s\n", command.c_str());
1799 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001800 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001801 return true;
1802 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001803 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001804 return false;
1805 }
1806 }
1807 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
bigbiffad58e1b2020-07-06 20:24:34 -04001808 if (!TWFunc::Path_Exists("/system/bin/e2fsck")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001809 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001810 return false;
1811 }
1812 if (!UnMount(true))
1813 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001814 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001815 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001816 command = "/system/bin/e2fsck -fp " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001817 LOGINFO("Repair command: %s\n", command.c_str());
1818 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001819 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001820 return true;
1821 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001822 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001823 return false;
1824 }
1825 }
1826 if (Current_File_System == "exfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001827 if (!TWFunc::Path_Exists("/system/bin/fsck.exfat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001828 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001829 return false;
1830 }
1831 if (!UnMount(true))
1832 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001833 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001834 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001835 command = "/system/bin/fsck.exfat " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001836 LOGINFO("Repair command: %s\n", command.c_str());
1837 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001838 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001839 return true;
1840 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001841 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001842 return false;
1843 }
1844 }
1845 if (Current_File_System == "f2fs") {
bigbiffad58e1b2020-07-06 20:24:34 -04001846 if (!TWFunc::Path_Exists("/system/bin/fsck.f2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001847 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001848 return false;
1849 }
1850 if (!UnMount(true))
1851 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001852 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001853 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001854 command = "/system/bin/fsck.f2fs " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001855 LOGINFO("Repair command: %s\n", command.c_str());
1856 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001857 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001858 return true;
1859 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001860 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001861 return false;
1862 }
1863 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001864 if (Current_File_System == "ntfs" || Current_File_System == "tntfs") {
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001865 string Ntfsfix_Binary;
bigbiffad58e1b2020-07-06 20:24:34 -04001866 if (TWFunc::Path_Exists("/system/bin/ntfsfix"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001867 Ntfsfix_Binary = "ntfsfix";
bigbiffad58e1b2020-07-06 20:24:34 -04001868 else if (TWFunc::Path_Exists("/system/bin/fsck.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001869 Ntfsfix_Binary = "fsck.ntfs";
1870 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001871 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("ntfsfix"));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001872 return false;
1873 }
1874 if (!UnMount(true))
1875 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001876 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)(Ntfsfix_Binary));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001877 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001878 command = "/system/bin/" + Ntfsfix_Binary + " " + Actual_Block_Device;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001879 LOGINFO("Repair command: %s\n", command.c_str());
1880 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001881 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001882 return true;
1883 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001884 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001885 return false;
1886 }
1887 }
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001888 return false;
1889}
1890
Ethan Yonkera2719152015-05-28 09:44:41 -05001891bool TWPartition::Can_Resize() {
1892 if (Mount_Read_Only)
1893 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001894 if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/system/bin/resize2fs"))
Ethan Yonkera2719152015-05-28 09:44:41 -05001895 return true;
1896 return false;
1897}
1898
1899bool TWPartition::Resize() {
1900 string command;
1901
1902 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1903 if (!Can_Repair()) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001904 LOGINFO("Cannot resize %s because %s cannot be repaired before resizing.\n", Display_Name.c_str(), Display_Name.c_str());
1905 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001906 return false;
1907 }
bigbiffad58e1b2020-07-06 20:24:34 -04001908 if (!TWFunc::Path_Exists("/system/bin/resize2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001909 LOGINFO("resize2fs does not exist! Cannot resize!\n");
1910 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001911 return false;
1912 }
1913 // Repair will unmount so no need to do it twice
Ethan Yonker74db1572015-10-28 12:44:49 -05001914 gui_msg(Msg("repair_resize=Repairing {1} before resizing.")( Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001915 if (!Repair())
1916 return false;
Ethan Yonker74db1572015-10-28 12:44:49 -05001917 gui_msg(Msg("resizing=Resizing {1} using {2}...")(Display_Name)("resize2fs"));
Ethan Yonkera2719152015-05-28 09:44:41 -05001918 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001919 command = "/system/bin/resize2fs " + Actual_Block_Device;
Ethan Yonkera2719152015-05-28 09:44:41 -05001920 if (Length != 0) {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001921 unsigned long long Actual_Size = IOCTL_Get_Block_Size();
1922 if (Actual_Size == 0)
1923 return false;
Ethan Yonkera2719152015-05-28 09:44:41 -05001924
Ethan Yonkera2719152015-05-28 09:44:41 -05001925 unsigned long long Block_Count;
1926 if (Length < 0) {
1927 // Reduce overall size by this length
1928 Block_Count = (Actual_Size / 1024LLU) - ((unsigned long long)(Length * -1) / 1024LLU);
1929 } else {
1930 // This is the size, not a size reduction
1931 Block_Count = ((unsigned long long)(Length) / 1024LLU);
1932 }
1933 char temp[256];
1934 sprintf(temp, "%llu", Block_Count);
1935 command += " ";
1936 command += temp;
1937 command += "K";
1938 }
1939 LOGINFO("Resize command: %s\n", command.c_str());
1940 if (TWFunc::Exec_Cmd(command) == 0) {
1941 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001942 gui_msg("done=Done.");
Ethan Yonkera2719152015-05-28 09:44:41 -05001943 return true;
1944 } else {
1945 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001946 gui_msg(Msg(msg::kError, "unable_resize=Unable to resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001947 return false;
1948 }
1949 }
1950 return false;
1951}
1952
bigbiffce8f83c2015-12-12 18:30:21 -05001953bool TWPartition::Backup(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
1954 if (Backup_Method == BM_FILES)
1955 return Backup_Tar(part_settings, tar_fork_pid);
1956 else if (Backup_Method == BM_DD)
1957 return Backup_Image(part_settings);
1958 else if (Backup_Method == BM_FLASH_UTILS)
1959 return Backup_Dump_Image(part_settings);
Dees_Troy2673cec2013-04-02 20:22:16 +00001960 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001961 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001962}
1963
bigbiffce8f83c2015-12-12 18:30:21 -05001964bool TWPartition::Restore(PartitionSettings *part_settings) {
Matt Mower3c366972015-12-25 19:28:31 -06001965 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonkere080c1f2016-09-19 13:50:25 -05001966 LOGINFO("Restore filename is: %s/%s\n", part_settings->Backup_Folder.c_str(), Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08001967
bigbiffce8f83c2015-12-12 18:30:21 -05001968 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001969
1970 if (Is_File_System(Restore_File_System))
bigbiffce8f83c2015-12-12 18:30:21 -05001971 return Restore_Tar(part_settings);
1972 else if (Is_Image(Restore_File_System))
1973 return Restore_Image(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001974
1975 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
1976 return false;
1977}
1978
bigbiffce8f83c2015-12-12 18:30:21 -05001979string TWPartition::Get_Restore_File_System(PartitionSettings *part_settings) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001980 size_t first_period, second_period;
1981 string Restore_File_System;
1982
Gary Peck43acadf2012-11-21 21:19:01 -08001983 // Parse backup filename to extract the file system before wiping
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05001984 first_period = Backup_FileName.find(".");
Gary Peck43acadf2012-11-21 21:19:01 -08001985 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001986 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001987 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001988 }
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05001989 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
Gary Peck43acadf2012-11-21 21:19:01 -08001990 second_period = Restore_File_System.find(".");
1991 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001992 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001993 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001994 }
1995 Restore_File_System.resize(second_period);
Matt Mowera0cd91d2016-12-30 18:21:42 -06001996 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001997 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04001998}
1999
2000string TWPartition::Backup_Method_By_Name() {
bigbiffce8f83c2015-12-12 18:30:21 -05002001 if (Backup_Method == BM_NONE)
Dees_Troy38bd7602012-09-14 13:33:53 -04002002 return "none";
bigbiffce8f83c2015-12-12 18:30:21 -05002003 else if (Backup_Method == BM_FILES)
Dees_Troy38bd7602012-09-14 13:33:53 -04002004 return "files";
bigbiffce8f83c2015-12-12 18:30:21 -05002005 else if (Backup_Method == BM_DD)
Dees_Troy38bd7602012-09-14 13:33:53 -04002006 return "dd";
bigbiffce8f83c2015-12-12 18:30:21 -05002007 else if (Backup_Method == BM_FLASH_UTILS)
Dees_Troy38bd7602012-09-14 13:33:53 -04002008 return "flash_utils";
2009 else
2010 return "undefined";
2011 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04002012}
2013
2014bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002015 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04002016 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04002017 return 1;
2018}
2019
2020bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002021 bool Save_Data_Media = Has_Data_Media;
Ethan Yonker93382822018-11-01 15:25:31 -05002022 bool ret = false;
2023 BasePartition* base_partition = make_partition();
2024
2025 if (!base_partition->PreWipeEncryption())
2026 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002027
dianlujitao4879b372018-12-03 18:45:47 +08002028 Find_Actual_Block_Device();
2029 if (!Is_Present) {
2030 LOGINFO("Block device not present, cannot format %s.\n", Display_Name.c_str());
2031 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2032 return false;
2033 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002034
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002035#ifdef TW_INCLUDE_CRYPTO
bigbiff7ba75002020-04-11 20:47:09 -04002036 if (!UnMount(true))
2037 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002038 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Matt Mower2b18a532015-02-20 16:58:05 -06002039 if (delete_crypto_blk_dev((char*)("userdata")) != 0) {
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002040 LOGERR("Error deleting crypto block device, continuing anyway.\n");
2041 }
2042 }
2043#endif
dianlujitao4879b372018-12-03 18:45:47 +08002044 Has_Data_Media = false;
Ethan Yonker93382822018-11-01 15:25:31 -05002045 Decrypted_Block_Device = "";
Dees_Troy74fb2e92013-04-15 14:35:47 +00002046 Is_Decrypted = false;
2047 Is_Encrypted = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08002048 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002049 Has_Data_Media = Save_Data_Media;
bigbiff7ba75002020-04-11 20:47:09 -04002050 // if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
2051 // if (Mount(false))
2052 // PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
2053 // }
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002054 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05002055#ifndef TW_OEM_BUILD
bigbiff25d25b92020-06-19 16:07:38 -04002056 gui_msg("format_data_msg=You may need to reboot recovery to be able to use /data again.");
Ethan Yonker83e82572014-04-04 10:59:28 -05002057#endif
Ethan Yonker93382822018-11-01 15:25:31 -05002058 ret = true;
2059 if (!Key_Directory.empty())
2060 ret = PartitionManager.Wipe_By_Path(Key_Directory);
2061 if (ret)
2062 ret = base_partition->PostWipeEncryption();
2063 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002064 } else {
2065 Has_Data_Media = Save_Data_Media;
Ethan Yonker74db1572015-10-28 12:44:49 -05002066 gui_err("format_data_err=Unable to format to remove encryption.");
Ethan Yonker726a0202014-12-16 20:01:38 -06002067 if (Has_Data_Media && Mount(false))
2068 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Ethan Yonker93382822018-11-01 15:25:31 -05002069 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002070 }
Ethan Yonker93382822018-11-01 15:25:31 -05002071exit:
2072 delete base_partition;
2073 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002074}
2075
2076void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002077 const char* type;
2078 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04002079
Dees_Troy68cab492012-12-12 19:29:35 +00002080 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
2081 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04002082
Dees_Troy38bd7602012-09-14 13:33:53 -04002083 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04002084 if (!Is_Present)
2085 return;
Dees_Troy51127312012-09-08 13:08:49 -04002086
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002087 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
2088 if (blkid_do_fullprobe(pr)) {
2089 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002090 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002091 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04002092 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002093
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002094 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002095 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002096 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002097 return;
2098 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002099
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002100 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002101 blkid_free_probe(pr);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002102 if (fs_flags.size() > 1) {
2103 std::vector<partition_fs_flags_struct>::iterator iter;
2104 std::vector<partition_fs_flags_struct>::iterator found = fs_flags.begin();
2105
2106 for (iter = fs_flags.begin(); iter != fs_flags.end(); iter++) {
2107 if (iter->File_System == Current_File_System) {
2108 found = iter;
2109 break;
2110 }
2111 }
2112 // If we don't find a match, we default the flags to the first set of flags that we received from the fstab
2113 if (Mount_Flags != found->Mount_Flags || Mount_Options != found->Mount_Options) {
2114 Mount_Flags = found->Mount_Flags;
2115 Mount_Options = found->Mount_Options;
2116 LOGINFO("Mount_Flags: %i, Mount_Options: %s\n", Mount_Flags, Mount_Options.c_str());
2117 }
2118 }
Dees_Troy51a0e822012-09-05 15:24:24 -04002119}
2120
dianlujitao4879b372018-12-03 18:45:47 +08002121bool TWPartition::Wipe_EXTFS(string File_System) {
bigbiff7ba75002020-04-11 20:47:09 -04002122 if (!UnMount(true))
2123 return false;
2124
dianlujitao4879b372018-12-03 18:45:47 +08002125#if PLATFORM_SDK_VERSION < 28
bigbiffad58e1b2020-07-06 20:24:34 -04002126 if (!TWFunc::Path_Exists("/system/bin/mke2fs"))
dianlujitao4879b372018-12-03 18:45:47 +08002127#else
bigbiffad58e1b2020-07-06 20:24:34 -04002128 if (!TWFunc::Path_Exists("/system/bin/mke2fs") || !TWFunc::Path_Exists("/system/bin/e2fsdroid"))
dianlujitao4879b372018-12-03 18:45:47 +08002129#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04002130 return Wipe_RMRF();
2131
dianlujitao4879b372018-12-03 18:45:47 +08002132 int ret;
2133 bool NeedPreserveFooter = true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002134
Ethan Yonker25f20c12014-10-14 09:04:43 -05002135 Find_Actual_Block_Device();
2136 if (!Is_Present) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002137 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2138 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Ethan Yonker25f20c12014-10-14 09:04:43 -05002139 return false;
2140 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002141
dianlujitao4879b372018-12-03 18:45:47 +08002142 /**
2143 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2144 * so there's no need to preserve footer.
2145 */
2146 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2147 Crypto_Key_Location != "footer") {
2148 NeedPreserveFooter = false;
2149 }
2150
2151 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2152 if (!dev_sz)
2153 return false;
2154
2155 if (NeedPreserveFooter)
2156 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2157
Dees Troy9a4d7402019-03-21 14:17:28 -04002158 char dout[16];
2159 sprintf(dout, "%llu", dev_sz / 4096);
2160
2161 //string size_str =to_string(dev_sz / 4096);
2162 string size_str = dout;
dianlujitao4879b372018-12-03 18:45:47 +08002163 string Command;
2164
2165 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mke2fs"));
2166
2167 // Execute mke2fs to create empty ext4 filesystem
2168 Command = "mke2fs -t " + File_System + " -b 4096 " + Actual_Block_Device + " " + size_str;
2169 LOGINFO("mke2fs command: %s\n", Command.c_str());
2170 ret = TWFunc::Exec_Cmd(Command);
2171 if (ret) {
2172 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2173 return false;
2174 }
2175
bigbiffad58e1b2020-07-06 20:24:34 -04002176 if (TWFunc::Path_Exists("/system/bin/e2fsdroid")) {
dianlujitao3cf05a52019-05-15 15:33:27 +08002177 const string& File_Contexts_Entry = (Mount_Point == "/system_root" ? "/" : Mount_Point);
2178 char *secontext = NULL;
2179 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, File_Contexts_Entry.c_str(), S_IFDIR) < 0) {
2180 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
2181 } else {
2182 // Execute e2fsdroid to initialize selinux context
bigbiff5b911ca2020-07-18 10:46:09 -04002183 if (Mount_Point == "/persist") {
2184 Mount(true);
2185 TWFunc::removeDir("/persist/lost+found", false);
2186 UnMount(true);
2187 }
dianlujitao3cf05a52019-05-15 15:33:27 +08002188 Command = "e2fsdroid -e -S /file_contexts -a " + File_Contexts_Entry + " " + Actual_Block_Device;
2189 LOGINFO("e2fsdroid command: %s\n", Command.c_str());
2190 ret = TWFunc::Exec_Cmd(Command);
2191 if (ret) {
2192 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2193 return false;
2194 }
dianlujitao4879b372018-12-03 18:45:47 +08002195 }
2196 } else {
2197 LOGINFO("e2fsdroid not present\n");
2198 }
2199
2200 if (NeedPreserveFooter)
2201 Wipe_Crypto_Key();
2202 Current_File_System = File_System;
2203 Recreate_AndSec_Folder();
2204 gui_msg("done=Done.");
2205 return true;
2206}
2207
2208bool TWPartition::Wipe_EXT4() {
2209#ifdef USE_EXT4
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002210 int ret;
dianlujitao4879b372018-12-03 18:45:47 +08002211 bool NeedPreserveFooter = true;
2212
bigbiff7ba75002020-04-11 20:47:09 -04002213 if (!UnMount(true))
2214 return false;
2215
dianlujitao4879b372018-12-03 18:45:47 +08002216 Find_Actual_Block_Device();
2217 if (!Is_Present) {
2218 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2219 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2220 return false;
2221 }
dianlujitao4879b372018-12-03 18:45:47 +08002222
2223 /**
2224 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2225 * so there's no need to preserve footer.
2226 */
2227 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2228 Crypto_Key_Location != "footer") {
2229 NeedPreserveFooter = false;
2230 }
2231
2232 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2233 if (!dev_sz)
2234 return false;
2235
2236 if (NeedPreserveFooter)
2237 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2238
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002239 char *secontext = NULL;
2240
Greg Wallace4b44fef2015-12-29 15:33:24 -05002241 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("make_ext4fs"));
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002242
Dees Troy99c8dbf2014-03-10 16:53:58 +00002243 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002244 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
dianlujitao4879b372018-12-03 18:45:47 +08002245 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), NULL);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002246 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002247 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), selinux_handle);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002248 }
2249 if (ret != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002250 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troya95f55c2013-08-17 13:14:43 +00002251 return false;
2252 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002253 if (NeedPreserveFooter)
2254 Wipe_Crypto_Key();
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04002255 string sedir = Mount_Point + "/lost+found";
2256 PartitionManager.Mount_By_Path(sedir.c_str(), true);
2257 rmdir(sedir.c_str());
2258 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00002259 return true;
2260 }
2261#else
dianlujitao4879b372018-12-03 18:45:47 +08002262 return Wipe_EXTFS("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00002263#endif
Dees_Troy51a0e822012-09-05 15:24:24 -04002264}
2265
2266bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002267 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04002268
bigbiff7ba75002020-04-11 20:47:09 -04002269 if (!UnMount(true))
2270 return false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002271
bigbiffad58e1b2020-07-06 20:24:34 -04002272 if (TWFunc::Path_Exists("/system/bin/mkfs.fat")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002273 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkfs.fat"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002274 Find_Actual_Block_Device();
Matt Mower18794c82015-11-11 16:22:45 -06002275 command = "mkfs.fat " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002276 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08002277 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04002278 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002279 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04002280 return true;
2281 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002282 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04002283 return false;
2284 }
2285 return true;
2286 }
2287 else
2288 return Wipe_RMRF();
2289
2290 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002291}
2292
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002293bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002294 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002295
bigbiff7ba75002020-04-11 20:47:09 -04002296 if (!UnMount(true))
2297 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04002298 if (TWFunc::Path_Exists("/system/bin/mkexfatfs")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002299 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkexfatfs"));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002300 Find_Actual_Block_Device();
2301 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002302 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002303 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002304 gui_msg("done=Done.");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002305 return true;
2306 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002307 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002308 return false;
2309 }
2310 return true;
2311 }
2312 return false;
2313}
2314
Dees_Troy38bd7602012-09-14 13:33:53 -04002315bool TWPartition::Wipe_MTD() {
2316 if (!UnMount(true))
2317 return false;
2318
Greg Wallace4b44fef2015-12-29 15:33:24 -05002319 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("MTD"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002320
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002321 mtd_scan_partitions();
2322 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
2323 if (mtd == NULL) {
2324 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
2325 return false;
2326 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002327
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002328 MtdWriteContext* ctx = mtd_write_partition(mtd);
2329 if (ctx == NULL) {
2330 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
2331 return false;
2332 }
2333 if (mtd_erase_blocks(ctx, -1) == -1) {
2334 mtd_write_close(ctx);
2335 LOGERR("Failed to format '%s'", MTD_Name.c_str());
2336 return false;
2337 }
2338 if (mtd_write_close(ctx) != 0) {
2339 LOGERR("Failed to close '%s'", MTD_Name.c_str());
2340 return false;
2341 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08002342 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04002343 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002344 gui_msg("done=Done.");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002345 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002346}
2347
2348bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002349 if (!Mount(true))
2350 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06002351 // This is the only wipe that leaves the partition mounted, so we
2352 // must manually remove the partition from MTP if it is a storage
2353 // partition.
2354 if (Is_Storage)
2355 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04002356
Ethan Yonker74db1572015-10-28 12:44:49 -05002357 gui_msg(Msg("remove_all=Removing all files under '{1}'")(Mount_Point));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002358 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002359 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002360 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002361}
2362
Dees_Troye5017042013-08-29 16:38:55 +00002363bool TWPartition::Wipe_F2FS() {
bigbiff7ba75002020-04-11 20:47:09 -04002364 std::string command;
2365 std::string f2fs_bin;
Dees_Troye5017042013-08-29 16:38:55 +00002366
bigbiff7ba75002020-04-11 20:47:09 -04002367 if (!UnMount(true))
2368 return false;
dianlujitao4879b372018-12-03 18:45:47 +08002369
bigbiffad58e1b2020-07-06 20:24:34 -04002370 if (TWFunc::Path_Exists("/system/bin/mkfs.f2fs"))
2371 f2fs_bin = "/system/bin/mkfs.f2fs";
2372 else if (TWFunc::Path_Exists("/system/bin/make_f2fs"))
2373 f2fs_bin = "/system/bin/make_f2fs";
bigbiff7ba75002020-04-11 20:47:09 -04002374 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002375 LOGINFO("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
Dees_Troye5017042013-08-29 16:38:55 +00002376 return Wipe_RMRF();
2377 }
bigbiff7ba75002020-04-11 20:47:09 -04002378
2379 bool NeedPreserveFooter = true;
2380
2381 Find_Actual_Block_Device();
2382 if (!Is_Present) {
2383 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2384 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2385 return false;
2386 }
2387
2388 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2389 if (!dev_sz)
2390 return false;
2391
2392 if (NeedPreserveFooter)
2393 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2394
2395 char dev_sz_str[48];
2396 sprintf(dev_sz_str, "%llu", (dev_sz / 4096));
2397 command = f2fs_bin + " -d1 -f -O encrypt -O quota -O verity -w 4096 " + Actual_Block_Device + " " + dev_sz_str;
bigbiffad58e1b2020-07-06 20:24:34 -04002398 if (TWFunc::Path_Exists("/system/bin/sload.f2fs")) {
bigbiff7ba75002020-04-11 20:47:09 -04002399 command += " && sload.f2fs -t /data " + Actual_Block_Device;
2400 }
2401
2402 /**
2403 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2404 * so there's no need to preserve footer.
2405 */
2406 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2407 Crypto_Key_Location != "footer") {
2408 NeedPreserveFooter = false;
2409 }
2410 LOGINFO("mkfs.f2fs command: %s\n", f2fs_bin.c_str());
2411 if (TWFunc::Exec_Cmd(command) == 0) {
2412 if (NeedPreserveFooter)
2413 Wipe_Crypto_Key();
2414 Recreate_AndSec_Folder();
2415 gui_msg("done=Done.");
2416 return true;
2417 } else {
2418 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2419 return false;
2420 }
2421 return true;
Dees_Troye5017042013-08-29 16:38:55 +00002422}
2423
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002424bool TWPartition::Wipe_NTFS() {
2425 string command;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002426 string Ntfsmake_Binary;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002427
bigbiff7ba75002020-04-11 20:47:09 -04002428 if (!UnMount(true))
2429 return false;
2430
bigbiffad58e1b2020-07-06 20:24:34 -04002431 if (TWFunc::Path_Exists("/system/bin/mkntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002432 Ntfsmake_Binary = "mkntfs";
bigbiffad58e1b2020-07-06 20:24:34 -04002433 else if (TWFunc::Path_Exists("/system/bin/mkfs.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002434 Ntfsmake_Binary = "mkfs.ntfs";
2435 else
2436 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002437
Greg Wallace4b44fef2015-12-29 15:33:24 -05002438 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)(Ntfsmake_Binary));
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002439 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04002440 command = "/system/bin/" + Ntfsmake_Binary + " " + Actual_Block_Device;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002441 if (TWFunc::Exec_Cmd(command) == 0) {
2442 Recreate_AndSec_Folder();
2443 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002444 return true;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002445 } else {
2446 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2447 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002448 }
2449 return false;
2450}
2451
Dees_Troy51a0e822012-09-05 15:24:24 -04002452bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05002453#ifdef TW_OEM_BUILD
2454 // In an OEM Build we want to do a full format
2455 return Wipe_Encryption();
2456#else
Ethan Yonker66a19492015-12-10 10:19:45 -06002457 bool ret = false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002458
Dees_Troy38bd7602012-09-14 13:33:53 -04002459 if (!Mount(true))
2460 return false;
2461
Ethan Yonker74db1572015-10-28 12:44:49 -05002462 gui_msg("wiping_data=Wiping data without wiping /data/media ...");
Ethan Yonker66a19492015-12-10 10:19:45 -06002463 ret = Wipe_Data_Without_Wiping_Media_Func(Mount_Point + "/");
2464 if (ret)
2465 gui_msg("done=Done.");
2466 return ret;
2467#endif // ifdef TW_OEM_BUILD
2468}
2469
2470bool TWPartition::Wipe_Data_Without_Wiping_Media_Func(const string& parent __unused) {
2471 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04002472
2473 DIR* d;
Ethan Yonker66a19492015-12-10 10:19:45 -06002474 d = opendir(parent.c_str());
Dees_Troy16b74352012-11-14 22:27:31 +00002475 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002476 struct dirent* de;
2477 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002478 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002479
Ethan Yonker66a19492015-12-10 10:19:45 -06002480 dir = parent;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002481 dir.append(de->d_name);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002482 if (wipe_exclusions.check_skip_dirs(dir)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002483 LOGINFO("skipped '%s'\n", dir.c_str());
2484 continue;
2485 }
Dees_Troyce675462013-01-09 19:48:21 +00002486 if (de->d_type == DT_DIR) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002487 dir.append("/");
2488 if (!Wipe_Data_Without_Wiping_Media_Func(dir)) {
2489 closedir(d);
2490 return false;
2491 }
2492 rmdir(dir.c_str());
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05002493 } else if (de->d_type == DT_REG || de->d_type == DT_LNK || de->d_type == DT_FIFO || de->d_type == DT_SOCK) {
nkk719efbe762017-06-13 19:49:05 +03002494 if (unlink(dir.c_str()) != 0)
Ethan Yonker79f88bd2016-12-09 14:52:12 -06002495 LOGINFO("Unable to unlink '%s': %s\n", dir.c_str(), strerror(errno));
Dees_Troyce675462013-01-09 19:48:21 +00002496 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002497 }
2498 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002499
Dees_Troy16b74352012-11-14 22:27:31 +00002500 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04002501 }
Ethan Yonker74db1572015-10-28 12:44:49 -05002502 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy16b74352012-11-14 22:27:31 +00002503 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002504}
2505
dianlujitao4879b372018-12-03 18:45:47 +08002506void TWPartition::Wipe_Crypto_Key() {
2507 Find_Actual_Block_Device();
2508 if (Crypto_Key_Location.empty())
2509 return;
2510 else if (Crypto_Key_Location == "footer") {
2511 int fd = open(Actual_Block_Device.c_str(), O_RDWR);
2512 if (fd < 0) {
2513 gui_print_color("warning", "Unable to open '%s' to wipe crypto key\n", Actual_Block_Device.c_str());
2514 return;
2515 }
2516
2517 unsigned int block_count;
2518 if ((ioctl(fd, BLKGETSIZE, &block_count)) == -1) {
2519 gui_print_color("warning", "Unable to get block size for wiping crypto footer.\n");
2520 } else {
2521 int newlen = Length < 0 ? -Length : CRYPT_FOOTER_OFFSET;
2522 off64_t offset = ((off64_t)block_count * 512) - newlen;
2523 if (lseek64(fd, offset, SEEK_SET) == -1) {
2524 gui_print_color("warning", "Unable to lseek64 for wiping crypto footer.\n");
2525 } else {
2526 void* buffer = malloc(newlen);
2527 if (!buffer) {
2528 gui_print_color("warning", "Failed to malloc for wiping crypto footer.\n");
2529 } else {
2530 memset(buffer, 0, newlen);
2531 int ret = write(fd, buffer, newlen);
2532 if (ret != newlen) {
2533 gui_print_color("warning", "Failed to wipe crypto footer.\n");
2534 } else {
2535 LOGINFO("Successfully wiped crypto footer.\n");
2536 }
2537 free(buffer);
2538 }
2539 }
2540 }
2541 close(fd);
2542 } else {
2543 if (TWFunc::IOCTL_Get_Block_Size(Crypto_Key_Location.c_str()) >= 16384LLU) {
2544 string Command = "dd of='" + Crypto_Key_Location + "' if=/dev/zero bs=16384 count=1";
2545 TWFunc::Exec_Cmd(Command);
2546 } else {
2547 LOGINFO("Crypto key location reports size < 16K so not wiping crypto footer.\n");
2548 }
2549 }
2550}
2551
bigbiffce8f83c2015-12-12 18:30:21 -05002552bool TWPartition::Backup_Tar(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002553 string Full_FileName;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002554 twrpTar tar;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05002555
Dees_Troy43d8b002012-09-17 16:00:01 -04002556 if (!Mount(true))
2557 return false;
2558
Ian Macdonalda3b25a32019-06-16 22:39:14 +02002559 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, gui_parse_text("{@backing}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002560 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002561
Ethan Yonker472f5062016-02-25 13:47:30 -06002562 DataManager::GetValue(TW_USE_COMPRESSION_VAR, tar.use_compression);
Matt Mowerbb81e5d2014-03-20 18:05:41 -05002563
Dees_Troy83bd4832013-05-04 12:39:56 +00002564#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
Ethan Yonker472f5062016-02-25 13:47:30 -06002565 if (Can_Encrypt_Backup) {
2566 DataManager::GetValue("tw_encrypt_backup", tar.use_encryption);
2567 if (tar.use_encryption) {
2568 if (Use_Userdata_Encryption)
2569 tar.userdata_encryption = tar.use_encryption;
2570 string Password;
2571 DataManager::GetValue("tw_backup_password", Password);
2572 tar.setpassword(Password);
2573 } else {
2574 tar.use_encryption = 0;
2575 }
Dees_Troy83bd4832013-05-04 12:39:56 +00002576 }
2577#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04002578
Ethan Yonker472f5062016-02-25 13:47:30 -06002579 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002580 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker01f4e032017-02-03 15:30:52 -06002581 if (Has_Data_Media)
2582 gui_msg(Msg(msg::kWarning, "backup_storage_warning=Backups of {1} do not include any files in internal storage such as pictures or downloads.")(Display_Name));
Noah Jacobson81d638d2019-04-28 00:10:07 -04002583 if (Mount_Point == "/data" && DataManager::GetIntValue(TW_IS_FBE)) {
2584 std::vector<users_struct>::iterator iter;
2585 std::vector<users_struct>* userList = PartitionManager.Get_Users_List();
2586 for (iter = userList->begin(); iter != userList->end(); iter++) {
2587 if (!(*iter).isDecrypted && (*iter).userId != "0") {
2588 gui_msg(Msg(msg::kWarning,
2589 "backup_storage_undecrypt_warning=Backup will not include some files from user {1} "
2590 "because the user is not decrypted.")((*iter).userId));
2591 backup_exclusions.add_absolute_dir("/data/system_ce/" + (*iter).userId);
2592 backup_exclusions.add_absolute_dir("/data/misc_ce/" + (*iter).userId);
2593 backup_exclusions.add_absolute_dir("/data/vendor_ce/" + (*iter).userId);
2594 backup_exclusions.add_absolute_dir("/data/media/" + (*iter).userId);
2595 backup_exclusions.add_absolute_dir("/data/user/" + (*iter).userId);
2596 }
2597 }
2598 }
bigbiffce8f83c2015-12-12 18:30:21 -05002599 tar.part_settings = part_settings;
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002600 tar.backup_exclusions = &backup_exclusions;
Dees Troye0a433a2013-12-02 04:10:37 +00002601 tar.setdir(Backup_Path);
2602 tar.setfn(Full_FileName);
2603 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002604 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002605 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002606 if (tar.createTarFork(tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00002607 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04002608 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002609}
2610
bigbiffce8f83c2015-12-12 18:30:21 -05002611bool TWPartition::Backup_Image(PartitionSettings *part_settings) {
2612 string Full_FileName, adb_file_name;
igoriok87e3d932013-01-31 21:03:53 +02002613
Ethan Yonker74db1572015-10-28 12:44:49 -05002614 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2615 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002616
Ethan Yonker472f5062016-02-25 13:47:30 -06002617 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Dees_Troy43d8b002012-09-17 16:00:01 -04002618
bigbiffce8f83c2015-12-12 18:30:21 -05002619 if (part_settings->adbbackup) {
2620 Full_FileName = TW_ADB_BACKUP;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002621 adb_file_name = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002622 }
2623 else
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002624 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002625
2626 part_settings->total_restore_size = Backup_Size;
2627
2628 if (part_settings->adbbackup) {
2629 if (!twadbbu::Write_TWIMG(adb_file_name, Backup_Size))
2630 return false;
2631 }
2632
2633 if (!Raw_Read_Write(part_settings))
Ethan Yonker472f5062016-02-25 13:47:30 -06002634 return false;
2635
bigbiffce8f83c2015-12-12 18:30:21 -05002636 if (part_settings->adbbackup) {
2637 if (!twadbbu::Write_TWEOF())
2638 return false;
Dees_Troy7c2dec82012-09-26 09:49:14 -04002639 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002640 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002641}
2642
bigbiffce8f83c2015-12-12 18:30:21 -05002643bool TWPartition::Raw_Read_Write(PartitionSettings *part_settings) {
2644 unsigned long long RW_Block_Size, Remain = Backup_Size;
2645 int src_fd = -1, dest_fd = -1;
2646 ssize_t bs;
Ethan Yonker472f5062016-02-25 13:47:30 -06002647 bool ret = false;
2648 void* buffer = NULL;
2649 unsigned long long backedup_size = 0;
bigbiffce8f83c2015-12-12 18:30:21 -05002650 string srcfn, destfn;
Ethan Yonker472f5062016-02-25 13:47:30 -06002651
bigbiffce8f83c2015-12-12 18:30:21 -05002652 if (part_settings->PM_Method == PM_BACKUP) {
2653 srcfn = Actual_Block_Device;
2654 if (part_settings->adbbackup)
2655 destfn = TW_ADB_BACKUP;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002656 else {
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002657 destfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002658 }
bigbiffce8f83c2015-12-12 18:30:21 -05002659 }
2660 else {
2661 destfn = Actual_Block_Device;
2662 if (part_settings->adbbackup) {
2663 srcfn = TW_ADB_RESTORE;
2664 } else {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002665 srcfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002666 Remain = TWFunc::Get_File_Size(srcfn);
2667 }
2668 }
Ethan Yonker472f5062016-02-25 13:47:30 -06002669
bigbiffce8f83c2015-12-12 18:30:21 -05002670 src_fd = open(srcfn.c_str(), O_RDONLY | O_LARGEFILE);
Ethan Yonker472f5062016-02-25 13:47:30 -06002671 if (src_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002672 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(srcfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002673 return false;
2674 }
bigbiffce8f83c2015-12-12 18:30:21 -05002675
2676 dest_fd = open(destfn.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE, S_IRUSR | S_IWUSR);
Ethan Yonker472f5062016-02-25 13:47:30 -06002677 if (dest_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002678 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(destfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002679 goto exit;
2680 }
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04002681
bigbiffce8f83c2015-12-12 18:30:21 -05002682 LOGINFO("Reading '%s', writing '%s'\n", srcfn.c_str(), destfn.c_str());
2683
2684 if (part_settings->adbbackup) {
2685 RW_Block_Size = MAX_ADB_READ;
2686 bs = MAX_ADB_READ;
2687 }
2688 else {
2689 RW_Block_Size = 1048576LLU; // 1MB
2690 bs = (ssize_t)(RW_Block_Size);
2691 }
2692
Ethan Yonker472f5062016-02-25 13:47:30 -06002693 buffer = malloc((size_t)bs);
2694 if (!buffer) {
2695 LOGINFO("Raw_Read_Write failed to malloc\n");
2696 goto exit;
2697 }
bigbiffce8f83c2015-12-12 18:30:21 -05002698
2699 if (part_settings->progress)
2700 part_settings->progress->SetPartitionSize(part_settings->total_restore_size);
2701
Ethan Yonker472f5062016-02-25 13:47:30 -06002702 while (Remain > 0) {
2703 if (Remain < RW_Block_Size)
bigbiffce8f83c2015-12-12 18:30:21 -05002704 bs = (ssize_t)(Remain);
Matt Mowera8a89d12016-12-30 18:10:37 -06002705 if (read(src_fd, buffer, bs) != bs) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002706 LOGINFO("Error reading source fd (%s)\n", strerror(errno));
2707 goto exit;
2708 }
2709 if (write(dest_fd, buffer, bs) != bs) {
2710 LOGINFO("Error writing destination fd (%s)\n", strerror(errno));
2711 goto exit;
2712 }
2713 backedup_size += (unsigned long long)(bs);
Matt Mower029a82d2017-01-08 13:12:38 -06002714 Remain -= (unsigned long long)(bs);
bigbiffce8f83c2015-12-12 18:30:21 -05002715 if (part_settings->progress)
2716 part_settings->progress->UpdateSize(backedup_size);
Ethan Yonker472f5062016-02-25 13:47:30 -06002717 if (PartitionManager.Check_Backup_Cancel() != 0)
2718 goto exit;
2719 }
bigbiffce8f83c2015-12-12 18:30:21 -05002720 if (part_settings->progress)
2721 part_settings->progress->UpdateDisplayDetails(true);
Ethan Yonker472f5062016-02-25 13:47:30 -06002722 fsync(dest_fd);
nailyka083dc62016-11-11 21:41:28 +01002723
2724 if (!part_settings->adbbackup && part_settings->PM_Method == PM_BACKUP) {
2725 tw_set_default_metadata(destfn.c_str());
2726 LOGINFO("Restored default metadata for %s\n", destfn.c_str());
2727 }
2728
Ethan Yonker472f5062016-02-25 13:47:30 -06002729 ret = true;
2730exit:
2731 if (src_fd >= 0)
2732 close(src_fd);
2733 if (dest_fd >= 0)
2734 close(dest_fd);
2735 if (buffer)
2736 free(buffer);
2737 return ret;
2738}
2739
bigbiffce8f83c2015-12-12 18:30:21 -05002740bool TWPartition::Backup_Dump_Image(PartitionSettings *part_settings) {
Vojtech Bocek05534202013-09-11 08:11:56 +02002741 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04002742
Ethan Yonker74db1572015-10-28 12:44:49 -05002743 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2744 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002745
bigbiffce8f83c2015-12-12 18:30:21 -05002746 if (part_settings->progress)
2747 part_settings->progress->SetPartitionSize(Backup_Size);
Dees_Troy43d8b002012-09-17 16:00:01 -04002748
Ethan Yonker472f5062016-02-25 13:47:30 -06002749 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002750 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04002751
2752 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
bigbiffce8f83c2015-12-12 18:30:21 -05002753
Dees_Troy2673cec2013-04-02 20:22:16 +00002754 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002755 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002756 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002757 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
2758 // Actual size may not match backup size due to bad blocks on MTD devices so just check for 0 bytes
Matt Mower3c366972015-12-25 19:28:31 -06002759 gui_msg(Msg(msg::kError, "backup_size=Backup file size for '{1}' is 0 bytes.")(Full_FileName));
Dees_Troy7c2dec82012-09-26 09:49:14 -04002760 return false;
2761 }
bigbiffce8f83c2015-12-12 18:30:21 -05002762 if (part_settings->progress)
2763 part_settings->progress->UpdateSize(Backup_Size);
2764
Dees_Troy43d8b002012-09-17 16:00:01 -04002765 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002766}
2767
bigbiffce8f83c2015-12-12 18:30:21 -05002768unsigned long long TWPartition::Get_Restore_Size(PartitionSettings *part_settings) {
2769 if (!part_settings->adbbackup) {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002770 InfoManager restore_info(part_settings->Backup_Folder + "/" + Backup_Name + ".info");
bigbiffce8f83c2015-12-12 18:30:21 -05002771 if (restore_info.LoadValues() == 0) {
2772 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
2773 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
2774 return Restore_Size;
2775 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002776 }
2777 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002778
Matt Mower029a82d2017-01-08 13:12:38 -06002779 string Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
2780 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002781
2782 if (Is_Image(Restore_File_System)) {
2783 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
2784 return Restore_Size;
2785 }
2786
2787 twrpTar tar;
2788 tar.setdir(Backup_Path);
2789 tar.setfn(Full_FileName);
bigbiffce8f83c2015-12-12 18:30:21 -05002790 tar.backup_name = Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002791#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2792 string Password;
2793 DataManager::GetValue("tw_restore_password", Password);
2794 if (!Password.empty())
2795 tar.setpassword(Password);
2796#endif
2797 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002798 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002799 tar.part_settings = part_settings;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002800 Restore_Size = tar.get_size();
2801 return Restore_Size;
2802}
2803
bigbiffce8f83c2015-12-12 18:30:21 -05002804bool TWPartition::Restore_Tar(PartitionSettings *part_settings) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002805 string Full_FileName;
Dees Troy4159aed2014-02-28 17:24:43 +00002806 bool ret = false;
bigbiffce8f83c2015-12-12 18:30:21 -05002807 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002808
Dees_Troye58d5262012-09-21 12:27:57 -04002809 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04002810 if (!Wipe_AndSec())
2811 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08002812 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002813 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
Ethan Yonker5eac2222014-06-11 12:22:55 -05002814 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002815 gui_msg(Msg(msg::kWarning, "datamedia_fs_restore=WARNING: This /data backup was made with {1} file system! The backup may not boot unless you change back to {1}.")(Restore_File_System));
Ethan Yonker5eac2222014-06-11 12:22:55 -05002816 if (!Wipe_Data_Without_Wiping_Media())
2817 return false;
2818 } else {
2819 if (!Wipe(Restore_File_System))
2820 return false;
2821 }
Dees_Troye58d5262012-09-21 12:27:57 -04002822 }
Matt Mower3c366972015-12-25 19:28:31 -06002823 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002824 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002825
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002826 // Remount as read/write as needed so we can restore the backup
2827 if (!ReMount_RW(true))
Dees_Troy43d8b002012-09-17 16:00:01 -04002828 return false;
2829
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002830 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06002831 twrpTar tar;
bigbiffce8f83c2015-12-12 18:30:21 -05002832 tar.part_settings = part_settings;
Ethan Yonker87af5632014-02-10 11:56:35 -06002833 tar.setdir(Backup_Path);
2834 tar.setfn(Full_FileName);
2835 tar.backup_name = Backup_Name;
2836#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2837 string Password;
2838 DataManager::GetValue("tw_restore_password", Password);
2839 if (!Password.empty())
2840 tar.setpassword(Password);
2841#endif
bigbiffce8f83c2015-12-12 18:30:21 -05002842 part_settings->progress->SetPartitionSize(Get_Restore_Size(part_settings));
2843 if (tar.extractTarFork() != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00002844 ret = false;
2845 else
2846 ret = true;
2847#ifdef HAVE_CAPABILITIES
2848 // Restore capabilities to the run-as binary
Captain Throwback9d6feb52018-07-27 10:05:24 -04002849 if (Mount_Point == PartitionManager.Get_Android_Root_Path() && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
Dees Troy4159aed2014-02-28 17:24:43 +00002850 struct vfs_cap_data cap_data;
2851 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
2852
2853 memset(&cap_data, 0, sizeof(cap_data));
2854 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
2855 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
2856 cap_data.data[0].inheritable = 0;
2857 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
2858 cap_data.data[1].inheritable = 0;
2859 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
2860 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
2861 } else {
2862 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
2863 }
2864 }
2865#endif
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002866 if (Mount_Read_Only || Mount_Flags & MS_RDONLY)
2867 // Remount as read only when restoration is complete
2868 ReMount(true);
2869
Dees Troy4159aed2014-02-28 17:24:43 +00002870 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002871}
2872
bigbiffce8f83c2015-12-12 18:30:21 -05002873bool TWPartition::Restore_Image(PartitionSettings *part_settings) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06002874 string Full_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002875 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002876
Matt Mower3c366972015-12-25 19:28:31 -06002877 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002878 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
bigbiffce8f83c2015-12-12 18:30:21 -05002879
2880 if (part_settings->adbbackup)
2881 Full_FileName = TW_ADB_RESTORE;
2882 else
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002883 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08002884
Ethan Yonker96af84a2015-01-05 14:58:36 -06002885 if (Restore_File_System == "emmc") {
bigbiffce8f83c2015-12-12 18:30:21 -05002886 if (!part_settings->adbbackup)
2887 part_settings->total_restore_size = (uint64_t)(TWFunc::Get_File_Size(Full_FileName));
2888 if (!Raw_Read_Write(part_settings))
Ethan Yonker96af84a2015-01-05 14:58:36 -06002889 return false;
2890 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
bigbiffce8f83c2015-12-12 18:30:21 -05002891 if (!Flash_Image_FI(Full_FileName, part_settings->progress))
2892 return false;
2893 }
2894
2895 if (part_settings->adbbackup) {
2896 if (!twadbbu::Write_TWEOF())
Ethan Yonker96af84a2015-01-05 14:58:36 -06002897 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08002898 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002899 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002900}
Dees_Troy5bf43922012-09-07 16:07:55 -04002901
2902bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04002903 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04002904
Ethan Yonker1b190162016-12-05 15:25:19 -06002905 Find_Actual_Block_Device();
2906
bigbiffee7b7ff2020-03-23 15:08:27 -04002907 if (Actual_Block_Device.empty())
2908 return false;
2909
Ethan Yonker1b190162016-12-05 15:25:19 -06002910 if (!Can_Be_Mounted && !Is_Encrypted) {
2911 if (TWFunc::Path_Exists(Actual_Block_Device) && Find_Partition_Size()) {
2912 Used = Size;
2913 Backup_Size = Size;
2914 return true;
2915 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002916 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002917 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002918
Dees_Troy0550cfb2012-10-13 11:56:13 -04002919 Was_Already_Mounted = Is_Mounted();
bigbiffee7b7ff2020-03-23 15:08:27 -04002920
Dees_Troy38bd7602012-09-14 13:33:53 -04002921 if (Removable || Is_Encrypted) {
2922 if (!Mount(false))
2923 return true;
2924 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04002925 return false;
Dees_Troy51127312012-09-08 13:08:49 -04002926
2927 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002928 if (!ret || Size == 0) {
2929 if (!Get_Size_Via_df(Display_Error)) {
2930 if (!Was_Already_Mounted)
2931 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04002932 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002933 }
2934 }
Dees_Troy51127312012-09-08 13:08:49 -04002935
Dees_Troy5bf43922012-09-07 16:07:55 -04002936 if (Has_Data_Media) {
2937 if (Mount(Display_Error)) {
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002938 Used = backup_exclusions.Get_Folder_Size(Mount_Point);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002939 Backup_Size = Used;
2940 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04002941 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002942 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002943 } else {
2944 if (!Was_Already_Mounted)
2945 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002946 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002947 }
Dees_Troye58d5262012-09-21 12:27:57 -04002948 } else if (Has_Android_Secure) {
2949 if (Mount(Display_Error))
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002950 Backup_Size = backup_exclusions.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002951 else {
2952 if (!Was_Already_Mounted)
2953 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04002954 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002955 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002956 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04002957 if (!Was_Already_Mounted)
2958 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002959 return true;
Dees_Troy51127312012-09-08 13:08:49 -04002960}
Dees_Troy38bd7602012-09-14 13:33:53 -04002961
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002962bool TWPartition::Find_Wildcard_Block_Devices(const string& Device) {
2963 int mount_point_index = 0; // we will need to create separate mount points for each partition found and we use this index to name each one
2964 string Path = TWFunc::Get_Path(Device);
2965 string Dev = TWFunc::Get_Filename(Device);
2966 size_t wildcard_index = Dev.find("*");
2967 if (wildcard_index != string::npos)
2968 Dev = Dev.substr(0, wildcard_index);
2969 wildcard_index = Dev.size();
2970 DIR* d = opendir(Path.c_str());
2971 if (d == NULL) {
2972 LOGINFO("Error opening '%s': %s\n", Path.c_str(), strerror(errno));
2973 return false;
2974 }
2975 struct dirent* de;
2976 while ((de = readdir(d)) != NULL) {
2977 if (de->d_type != DT_BLK || strlen(de->d_name) <= wildcard_index || strncmp(de->d_name, Dev.c_str(), wildcard_index) != 0)
2978 continue;
2979
2980 string item = Path + "/";
2981 item.append(de->d_name);
2982 if (PartitionManager.Find_Partition_By_Block_Device(item))
2983 continue;
2984 TWPartition *part = new TWPartition;
2985 char buffer[MAX_FSTAB_LINE_LENGTH];
2986 sprintf(buffer, "%s %s-%i auto defaults defaults", item.c_str(), Mount_Point.c_str(), ++mount_point_index);
bigbiff8da46fa2020-09-08 16:42:34 -04002987 part->Process_Fstab_Line(buffer, false, NULL);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002988 char display[MAX_FSTAB_LINE_LENGTH];
2989 sprintf(display, "%s %i", Storage_Name.c_str(), mount_point_index);
2990 part->Storage_Name = display;
2991 part->Display_Name = display;
2992 part->Primary_Block_Device = item;
2993 part->Wildcard_Block_Device = false;
2994 part->Is_SubPartition = true;
2995 part->SubPartition_Of = Mount_Point;
2996 part->Is_Storage = Is_Storage;
2997 part->Can_Be_Mounted = true;
2998 part->Removable = true;
2999 part->Can_Be_Wiped = Can_Be_Wiped;
3000 part->Wipe_Available_in_GUI = Wipe_Available_in_GUI;
3001 part->Find_Actual_Block_Device();
3002 part->Update_Size(false);
3003 Has_SubPartition = true;
3004 PartitionManager.Output_Partition(part);
3005 PartitionManager.Add_Partition(part);
3006 }
3007 closedir(d);
3008 return (mount_point_index > 0);
3009}
3010
Dees_Troy38bd7602012-09-14 13:33:53 -04003011void TWPartition::Find_Actual_Block_Device(void) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06003012 if (!Sysfs_Entry.empty() && Primary_Block_Device.empty() && Decrypted_Block_Device.empty()) {
3013 /* Sysfs_Entry.empty() indicates if this is a sysfs entry that begins with /device/
3014 * If we have a syfs entry then we are looking for this device from a uevent add.
3015 * The uevent add will set the primary block device based on the data we receive from
3016 * after checking for adopted storage. If the device ends up being adopted, then the
3017 * decrypted block device will be set instead of the primary block device. */
3018 Is_Present = false;
3019 return;
3020 }
3021 if (Wildcard_Block_Device && !Is_Adopted_Storage) {
3022 Is_Present = false;
3023 Actual_Block_Device = "";
3024 Can_Be_Mounted = false;
3025 if (!Find_Wildcard_Block_Devices(Primary_Block_Device)) {
3026 string Dev = Primary_Block_Device.substr(0, Primary_Block_Device.find("*"));
3027 if (TWFunc::Path_Exists(Dev)) {
3028 Is_Present = true;
3029 Can_Be_Mounted = true;
3030 Actual_Block_Device = Dev;
3031 }
3032 }
3033 return;
3034 } else if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003035 Actual_Block_Device = Decrypted_Block_Device;
Ethan Yonker1b190162016-12-05 15:25:19 -06003036 if (TWFunc::Path_Exists(Decrypted_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003037 Is_Present = true;
Ethan Yonker1b190162016-12-05 15:25:19 -06003038 return;
3039 }
3040 } else if (SlotSelect && TWFunc::Path_Exists(Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix())) {
3041 Actual_Block_Device = Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix();
3042 unlink(Primary_Block_Device.c_str());
3043 symlink(Actual_Block_Device.c_str(), Primary_Block_Device.c_str()); // we create a non-slot symlink pointing to the currently selected slot which may assist zips with installing
3044 Is_Present = true;
3045 return;
Dees_Troy43d8b002012-09-17 16:00:01 -04003046 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003047 Is_Present = true;
3048 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003049 return;
3050 }
Ethan Yonker1b190162016-12-05 15:25:19 -06003051 if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04003052 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04003053 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003054 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04003055 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003056 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003057}
3058
3059void TWPartition::Recreate_Media_Folder(void) {
3060 string Command;
Ethan Yonker66a19492015-12-10 10:19:45 -06003061 string Media_Path = Mount_Point + "/media";
Dees_Troy38bd7602012-09-14 13:33:53 -04003062
Ethan Yonkerbd7492d2016-12-07 13:55:01 -06003063 if (Is_FBE) {
3064 LOGINFO("Not recreating media folder on FBE\n");
3065 return;
3066 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003067 if (!Mount(true)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003068 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Media_Path));
3069 } else if (!TWFunc::Path_Exists(Media_Path)) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003070 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker66a19492015-12-10 10:19:45 -06003071 LOGINFO("Recreating %s folder.\n", Media_Path.c_str());
3072 mkdir(Media_Path.c_str(), 0770);
xiaolu9416f4f2015-06-04 08:22:23 +08003073 string Internal_path = DataManager::GetStrValue("tw_internal_path");
3074 if (!Internal_path.empty()) {
3075 LOGINFO("Recreating %s folder.\n", Internal_path.c_str());
3076 mkdir(Internal_path.c_str(), 0770);
3077 }
3078#ifdef TW_INTERNAL_STORAGE_PATH
3079 mkdir(EXPAND(TW_INTERNAL_STORAGE_PATH), 0770);
3080#endif
Matt Mower87413642017-01-17 21:14:46 -06003081
thata3d31fb2014-12-21 22:27:40 +01003082 // Afterwards, we will try to set the
3083 // default metadata that we were hopefully able to get during
3084 // early boot.
Ethan Yonker66a19492015-12-10 10:19:45 -06003085 tw_set_default_metadata(Media_Path.c_str());
xiaolu9416f4f2015-06-04 08:22:23 +08003086 if (!Internal_path.empty())
3087 tw_set_default_metadata(Internal_path.c_str());
Matt Mower87413642017-01-17 21:14:46 -06003088
Ethan Yonker5eac2222014-06-11 12:22:55 -05003089 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003090 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05003091 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04003092 }
Dees_Troy43d8b002012-09-17 16:00:01 -04003093}
Dees_Troye58d5262012-09-21 12:27:57 -04003094
3095void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04003096 if (!Has_Android_Secure)
3097 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00003098 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04003099 if (!Mount(true)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003100 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Backup_Name));
Dees_Troye58d5262012-09-21 12:27:57 -04003101 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00003102 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003103 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05003104 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003105 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04003106 }
3107}
bigbiff7cb4c332014-11-26 20:36:07 -05003108
3109uint64_t TWPartition::Get_Max_FileSize() {
3110 uint64_t maxFileSize = 0;
3111 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
3112 const uint64_t constTB = (uint64_t) constGB * 1024;
3113 const uint64_t constPB = (uint64_t) constTB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05003114 if (Current_File_System == "ext4")
3115 maxFileSize = 16 * constTB; //16 TB
3116 else if (Current_File_System == "vfat")
3117 maxFileSize = 4 * constGB; //4 GB
Captain Throwback47bf7202020-10-06 17:39:39 -04003118 else if (Current_File_System == "ntfs" || Current_File_System == "tntfs")
bigbiff0c532032014-12-21 13:41:26 -05003119 maxFileSize = 256 * constTB; //256 TB
3120 else if (Current_File_System == "exfat")
3121 maxFileSize = 16 * constPB; //16 PB
3122 else if (Current_File_System == "ext3")
3123 maxFileSize = 2 * constTB; //2 TB
3124 else if (Current_File_System == "f2fs")
3125 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05003126 else
3127 maxFileSize = 100000000L;
3128 return maxFileSize - 1;
3129}
3130
bigbiffce8f83c2015-12-12 18:30:21 -05003131bool TWPartition::Flash_Image(PartitionSettings *part_settings) {
3132 string Restore_File_System, full_filename;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003133
Ethan Yonkere080c1f2016-09-19 13:50:25 -05003134 full_filename = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003135
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003136 LOGINFO("Image filename is: %s\n", Backup_FileName.c_str());
bigbiffce8f83c2015-12-12 18:30:21 -05003137
3138 if (Backup_Method == BM_FILES) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003139 LOGERR("Cannot flash images to file systems\n");
3140 return false;
3141 } else if (!Can_Flash_Img) {
3142 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
3143 return false;
3144 } else {
3145 if (!Find_Partition_Size()) {
3146 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
3147 return false;
3148 }
bigbiffce8f83c2015-12-12 18:30:21 -05003149 unsigned long long image_size = TWFunc::Get_File_Size(full_filename);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003150 if (image_size > Size) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003151 LOGINFO("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003152 image_size, Backup_FileName.c_str(), Actual_Block_Device.c_str(), Size);
Ethan Yonker74db1572015-10-28 12:44:49 -05003153 gui_err("img_size_err=Size of image is larger than target device");
Ethan Yonker96af84a2015-01-05 14:58:36 -06003154 return false;
3155 }
bigbiffce8f83c2015-12-12 18:30:21 -05003156 if (Backup_Method == BM_DD) {
3157 if (!part_settings->adbbackup) {
3158 if (Is_Sparse_Image(full_filename)) {
3159 return Flash_Sparse_Image(full_filename);
3160 }
Ethan Yonker472f5062016-02-25 13:47:30 -06003161 }
bigbiffce8f83c2015-12-12 18:30:21 -05003162 return Raw_Read_Write(part_settings);
3163 } else if (Backup_Method == BM_FLASH_UTILS) {
3164 return Flash_Image_FI(full_filename, NULL);
Ethan Yonker472f5062016-02-25 13:47:30 -06003165 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003166 }
3167
3168 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
3169 return false;
3170}
3171
Ethan Yonker472f5062016-02-25 13:47:30 -06003172bool TWPartition::Is_Sparse_Image(const string& Filename) {
HashBanged974bb2016-01-30 14:20:09 -05003173 uint32_t magic = 0;
3174 int fd = open(Filename.c_str(), O_RDONLY);
3175 if (fd < 0) {
3176 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3177 return false;
3178 }
bigbiffce8f83c2015-12-12 18:30:21 -05003179
HashBanged974bb2016-01-30 14:20:09 -05003180 if (read(fd, &magic, sizeof(magic)) != sizeof(magic)) {
3181 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3182 close(fd);
3183 return false;
3184 }
3185 close(fd);
Ethan Yonker472f5062016-02-25 13:47:30 -06003186 if (magic == SPARSE_HEADER_MAGIC)
3187 return true;
3188 return false;
3189}
3190
3191bool TWPartition::Flash_Sparse_Image(const string& Filename) {
3192 string Command;
3193
3194 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
3195
3196 Command = "simg2img '" + Filename + "' '" + Actual_Block_Device + "'";
Ethan Yonker96af84a2015-01-05 14:58:36 -06003197 LOGINFO("Flash command: '%s'\n", Command.c_str());
3198 TWFunc::Exec_Cmd(Command);
3199 return true;
3200}
3201
Ethan Yonker472f5062016-02-25 13:47:30 -06003202bool TWPartition::Flash_Image_FI(const string& Filename, ProgressTracking *progress) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003203 string Command;
Ethan Yonker472f5062016-02-25 13:47:30 -06003204 unsigned long long file_size;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003205
Ethan Yonker74db1572015-10-28 12:44:49 -05003206 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
Ethan Yonker472f5062016-02-25 13:47:30 -06003207 if (progress) {
3208 file_size = (unsigned long long)(TWFunc::Get_File_Size(Filename));
3209 progress->SetPartitionSize(file_size);
3210 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003211 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
3212 Command = "erase_image " + MTD_Name;
3213 LOGINFO("Erase command: '%s'\n", Command.c_str());
3214 TWFunc::Exec_Cmd(Command);
3215 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
3216 LOGINFO("Flash command: '%s'\n", Command.c_str());
3217 TWFunc::Exec_Cmd(Command);
Ethan Yonker472f5062016-02-25 13:47:30 -06003218 if (progress)
3219 progress->UpdateSize(file_size);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003220 return true;
3221}
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003222
3223void TWPartition::Change_Mount_Read_Only(bool new_value) {
3224 Mount_Read_Only = new_value;
3225}
3226
bigbiffce8f83c2015-12-12 18:30:21 -05003227bool TWPartition::Is_Read_Only() {
3228 return Mount_Read_Only;
3229}
3230
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003231int TWPartition::Check_Lifetime_Writes() {
3232 bool original_read_only = Mount_Read_Only;
3233 int ret = 1;
3234
3235 Mount_Read_Only = true;
3236 if (Mount(false)) {
3237 Find_Actual_Block_Device();
Ethan Yonker54970bb2019-01-17 16:19:24 -06003238 string temp = Actual_Block_Device;
3239 Find_Real_Block_Device(temp, false);
3240 string block = basename(temp.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003241 string file = "/sys/fs/" + Current_File_System + "/" + block + "/lifetime_write_kbytes";
3242 string result;
3243 if (TWFunc::Path_Exists(file)) {
3244 if (TWFunc::read_file(file, result) != 0) {
3245 LOGINFO("Check_Lifetime_Writes of '%s' failed to read_file\n", file.c_str());
3246 } else {
3247 LOGINFO("Check_Lifetime_Writes result: '%s'\n", result.c_str());
3248 if (result == "0") {
3249 ret = 0;
3250 }
3251 }
3252 } else {
3253 LOGINFO("Check_Lifetime_Writes file does not exist '%s'\n", file.c_str());
3254 }
3255 UnMount(true);
3256 } else {
3257 LOGINFO("Check_Lifetime_Writes failed to mount '%s'\n", Mount_Point.c_str());
3258 }
3259 Mount_Read_Only = original_read_only;
3260 return ret;
3261}
Ethan Yonker66a19492015-12-10 10:19:45 -06003262
3263int TWPartition::Decrypt_Adopted() {
3264#ifdef TW_INCLUDE_CRYPTO
3265 int ret = 1;
3266 Is_Adopted_Storage = false;
3267 string Adopted_Key_File = "";
3268
3269 if (!Removable)
3270 return ret;
3271
3272 int fd = open(Alternate_Block_Device.c_str(), O_RDONLY);
3273 if (fd < 0) {
3274 LOGINFO("failed to open '%s'\n", Alternate_Block_Device.c_str());
3275 return ret;
3276 }
3277 char type_guid[80];
3278 char part_guid[80];
3279
3280 if (gpt_disk_get_partition_info(fd, 2, type_guid, part_guid) == 0) {
3281 LOGINFO("type: '%s'\n", type_guid);
3282 LOGINFO("part: '%s'\n", part_guid);
3283 Adopted_GUID = part_guid;
3284 LOGINFO("Adopted_GUID '%s'\n", Adopted_GUID.c_str());
3285 if (strcmp(type_guid, TWGptAndroidExpand) == 0) {
3286 LOGINFO("android_expand found\n");
3287 Adopted_Key_File = "/data/misc/vold/expand_";
3288 Adopted_Key_File += part_guid;
3289 Adopted_Key_File += ".key";
3290 if (TWFunc::Path_Exists(Adopted_Key_File)) {
3291 Is_Adopted_Storage = true;
3292 /* Until we find a use case for this, I think it is safe
3293 * to disable USB Mass Storage whenever adopted storage
3294 * is present.
3295 */
3296 LOGINFO("Detected adopted storage, disabling USB mass storage mode\n");
3297 DataManager::SetValue("tw_has_usb_storage", 0);
3298 }
3299 }
3300 }
3301
3302 if (Is_Adopted_Storage) {
3303 string Adopted_Block_Device = Alternate_Block_Device + "p2";
3304 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
3305 Adopted_Block_Device = Alternate_Block_Device + "2";
3306 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
3307 LOGINFO("Adopted block device does not exist\n");
3308 goto exit;
3309 }
3310 }
3311 LOGINFO("key file is '%s', block device '%s'\n", Adopted_Key_File.c_str(), Adopted_Block_Device.c_str());
3312 char crypto_blkdev[MAXPATHLEN];
3313 std::string thekey;
3314 int fdkey = open(Adopted_Key_File.c_str(), O_RDONLY);
3315 if (fdkey < 0) {
3316 LOGINFO("failed to open key file\n");
3317 goto exit;
3318 }
3319 char buf[512];
3320 ssize_t n;
3321 while ((n = read(fdkey, &buf[0], sizeof(buf))) > 0) {
3322 thekey.append(buf, n);
3323 }
3324 close(fdkey);
3325 unsigned char* key = (unsigned char*) thekey.data();
3326 cryptfs_revert_ext_volume(part_guid);
3327
3328 ret = cryptfs_setup_ext_volume(part_guid, Adopted_Block_Device.c_str(), key, thekey.size(), crypto_blkdev);
3329 if (ret == 0) {
3330 LOGINFO("adopted storage new block device: '%s'\n", crypto_blkdev);
3331 Decrypted_Block_Device = crypto_blkdev;
3332 Is_Decrypted = true;
3333 Is_Encrypted = true;
3334 Find_Actual_Block_Device();
Kjell Braden3126a112016-06-19 16:58:15 +00003335 if (!Mount_Storage_Retry(false)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003336 LOGERR("Failed to mount decrypted adopted storage device\n");
3337 Is_Decrypted = false;
3338 Is_Encrypted = false;
3339 cryptfs_revert_ext_volume(part_guid);
3340 ret = 1;
3341 } else {
Ethan Yonkerfcf3f242016-02-16 12:30:26 -06003342 UnMount(false);
3343 Has_Android_Secure = false;
3344 Symlink_Path = "";
3345 Symlink_Mount_Point = "";
3346 Backup_Name = Mount_Point.substr(1);
3347 Backup_Path = Mount_Point;
3348 TWPartition* sdext = PartitionManager.Find_Partition_By_Path("/sd-ext");
3349 if (sdext && sdext->Actual_Block_Device == Adopted_Block_Device) {
3350 LOGINFO("Removing /sd-ext from partition list due to adopted storage\n");
3351 PartitionManager.Remove_Partition_By_Path("/sd-ext");
3352 }
Ethan Yonker66a19492015-12-10 10:19:45 -06003353 Setup_Data_Media();
Ethan Yonker66a19492015-12-10 10:19:45 -06003354 Wipe_Available_in_GUI = true;
3355 Wipe_During_Factory_Reset = true;
3356 Can_Be_Backed_Up = true;
3357 Can_Encrypt_Backup = true;
3358 Use_Userdata_Encryption = true;
3359 Is_Storage = true;
3360 Storage_Name = "Adopted Storage";
3361 Is_SubPartition = true;
3362 SubPartition_Of = "/data";
3363 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
3364 DataManager::SetValue("tw_has_adopted_storage", 1);
3365 }
3366 } else {
3367 LOGERR("Failed to setup adopted storage decryption\n");
3368 }
3369 }
3370exit:
Matt Mower06543e32017-01-06 15:25:26 -06003371 close(fd);
Ethan Yonker66a19492015-12-10 10:19:45 -06003372 return ret;
3373#else
3374 LOGINFO("Decrypt_Adopted: no crypto support\n");
3375 return 1;
3376#endif
3377}
3378
3379void TWPartition::Revert_Adopted() {
3380#ifdef TW_INCLUDE_CRYPTO
3381 if (!Adopted_GUID.empty()) {
3382 PartitionManager.Remove_MTP_Storage(Mount_Point);
3383 UnMount(false);
3384 cryptfs_revert_ext_volume(Adopted_GUID.c_str());
3385 Is_Adopted_Storage = false;
3386 Is_Encrypted = false;
3387 Is_Decrypted = false;
3388 Decrypted_Block_Device = "";
3389 Find_Actual_Block_Device();
3390 Wipe_During_Factory_Reset = false;
3391 Can_Be_Backed_Up = false;
3392 Can_Encrypt_Backup = false;
3393 Use_Userdata_Encryption = false;
3394 Is_SubPartition = false;
3395 SubPartition_Of = "";
3396 Has_Data_Media = false;
3397 Storage_Path = Mount_Point;
3398 if (!Symlink_Mount_Point.empty()) {
3399 TWPartition* Dat = PartitionManager.Find_Partition_By_Path("/data");
3400 if (Dat) {
3401 Dat->UnMount(false);
3402 Dat->Symlink_Mount_Point = Symlink_Mount_Point;
3403 }
3404 Symlink_Mount_Point = "";
3405 }
3406 }
3407#else
3408 LOGINFO("Revert_Adopted: no crypto support\n");
3409#endif
3410}
bigbiff bigbiffb5ecaad2017-03-20 18:53:53 -04003411
3412void TWPartition::Set_Backup_FileName(string fname) {
3413 Backup_FileName = fname;
3414}
3415
3416string TWPartition::Get_Backup_Name() {
3417 return Backup_Name;
3418}
bigbiffee7b7ff2020-03-23 15:08:27 -04003419
3420string TWPartition::Get_Mount_Point() {
3421 return Mount_Point;
3422}
3423
3424void TWPartition::Set_Block_Device(std::string block_device) {
3425 Primary_Block_Device = Actual_Block_Device = block_device;
3426}
3427
3428bool TWPartition::Get_Super_Status() {
3429 return Is_Super;
3430}
3431
3432void TWPartition::Set_Can_Be_Backed_Up(bool val) {
3433 Can_Be_Backed_Up = val;
3434}
3435
3436void TWPartition::Set_Can_Be_Wiped(bool val) {
3437 Can_Be_Wiped = val;
3438 Wipe_Available_in_GUI = val;
bigbiffad58e1b2020-07-06 20:24:34 -04003439}
3440
3441std::string TWPartition::Get_Backup_FileName() {
3442 return Backup_FileName;
3443}
3444
3445std::string TWPartition::Get_Display_Name() {
3446 return Display_Name;
3447}
3448
3449bool TWPartition::Is_SlotSelect() {
3450 return SlotSelect;
Mohd Faraz815e2402020-09-19 19:31:52 +05303451}