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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
bigbiff71840d42021-01-23 14:08:03 -05001690 if (Mount_Point == PartitionManager.Get_Android_Root_Path()) {
1691 if (tw_get_default_metadata(PartitionManager.Get_Android_Root_Path().c_str()) != 0) {
1692 gui_msg(Msg(msg::kWarning, "restore_system_context=Unable to get default context for {1} -- Android may not boot.")(PartitionManager.Get_Android_Root_Path()));
1693 }
1694 }
1695
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001696 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001697 wiped = Wipe_Data_Without_Wiping_Media();
bigbiff25d25b92020-06-19 16:07:38 -04001698 if (Mount_Point == "/data" && TWFunc::get_log_dir() == DATA_LOGS_DIR) {
1699 bool created = PartitionManager.Recreate_Logs_Dir();
1700 if (!created)
1701 LOGERR("Unable to create log directory for TWRP\n");
bigbiff7ba75002020-04-11 20:47:09 -04001702 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001703 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001704 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001705 DataManager::GetValue(TW_RM_RF_VAR, check);
1706
Hashcodedabfd492013-08-29 22:45:30 -07001707 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001708 wiped = Wipe_RMRF();
1709 else if (New_File_System == "ext4")
1710 wiped = Wipe_EXT4();
1711 else if (New_File_System == "ext2" || New_File_System == "ext3")
dianlujitao4879b372018-12-03 18:45:47 +08001712 wiped = Wipe_EXTFS(New_File_System);
Dees_Troy16c2b312013-01-15 16:51:18 +00001713 else if (New_File_System == "exfat")
1714 wiped = Wipe_EXFAT();
Captain Throwback47bf7202020-10-06 17:39:39 -04001715 else if (New_File_System == "ntfs" || Current_File_System == "tntfs")
1716 wiped = Wipe_NTFS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001717 else if (New_File_System == "yaffs2")
1718 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001719 else if (New_File_System == "f2fs")
1720 wiped = Wipe_F2FS();
Captain Throwback47bf7202020-10-06 17:39:39 -04001721 else if (New_File_System == "vfat")
1722 wiped = Wipe_FAT();
Dees_Troy16c2b312013-01-15 16:51:18 +00001723 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001724 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 +00001725 return false;
1726 }
1727 update_crypt = wiped;
bigbiff7ba75002020-04-11 20:47:09 -04001728 update_crypt = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001729 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001730
Gary Pecke8bc5d72012-12-21 06:45:25 -08001731 if (wiped) {
Mohd Faraze1d72622020-06-15 00:28:32 +05301732 if (Mount_Point == "/cache" && TWFunc::get_log_dir() != DATA_LOGS_DIR)
1733 DataManager::Output_Version();
1734
bigbiff71840d42021-01-23 14:08:03 -05001735 if (Mount_Point == PartitionManager.Get_Android_Root_Path()) {
1736 tw_set_default_metadata(PartitionManager.Get_Android_Root_Path().c_str());
1737 }
Dees_Troy16c2b312013-01-15 16:51:18 +00001738 if (update_crypt) {
1739 Setup_File_System(false);
1740 if (Is_Encrypted && !Is_Decrypted) {
1741 // just wiped an encrypted partition back to its unencrypted state
1742 Is_Encrypted = false;
1743 Is_Decrypted = false;
1744 Decrypted_Block_Device = "";
1745 if (Mount_Point == "/data") {
1746 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1747 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1748 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001749 }
1750 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001751
bigbiff7ba75002020-04-11 20:47:09 -04001752 // if (Is_Storage && Mount(false))
1753 // PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Gary Pecke8bc5d72012-12-21 06:45:25 -08001754 }
Matt Mower209c9632016-01-20 12:08:35 -06001755
Gary Pecke8bc5d72012-12-21 06:45:25 -08001756 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001757}
1758
Gary Peck43acadf2012-11-21 21:19:01 -08001759bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001760 if (Is_File_System(Current_File_System))
1761 return Wipe(Current_File_System);
1762 else
1763 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001764}
1765
Dees_Troye58d5262012-09-21 12:27:57 -04001766bool TWPartition::Wipe_AndSec(void) {
1767 if (!Has_Android_Secure)
1768 return false;
1769
Dees_Troye58d5262012-09-21 12:27:57 -04001770 if (!Mount(true))
1771 return false;
1772
Ethan Yonker74db1572015-10-28 12:44:49 -05001773 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001774 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001775 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001776}
1777
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001778bool TWPartition::Can_Repair() {
Ethan Yonkera2719152015-05-28 09:44:41 -05001779 if (Mount_Read_Only)
1780 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001781 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/system/bin/fsck.fat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001782 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001783 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 -05001784 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001785 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/fsck.exfat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001786 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001787 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/system/bin/fsck.f2fs"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001788 return true;
Captain Throwback47bf7202020-10-06 17:39:39 -04001789 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 -05001790 return true;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001791 return false;
1792}
1793
1794bool TWPartition::Repair() {
1795 string command;
1796
1797 if (Current_File_System == "vfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001798 if (!TWFunc::Path_Exists("/system/bin/fsck.fat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001799 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001800 return false;
1801 }
1802 if (!UnMount(true))
1803 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001804 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001805 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001806 command = "/system/bin/fsck.fat -y " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001807 LOGINFO("Repair command: %s\n", command.c_str());
1808 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001809 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001810 return true;
1811 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001812 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001813 return false;
1814 }
1815 }
1816 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
bigbiffad58e1b2020-07-06 20:24:34 -04001817 if (!TWFunc::Path_Exists("/system/bin/e2fsck")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001818 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001819 return false;
1820 }
1821 if (!UnMount(true))
1822 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001823 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001824 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001825 command = "/system/bin/e2fsck -fp " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001826 LOGINFO("Repair command: %s\n", command.c_str());
1827 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001828 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001829 return true;
1830 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001831 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001832 return false;
1833 }
1834 }
1835 if (Current_File_System == "exfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001836 if (!TWFunc::Path_Exists("/system/bin/fsck.exfat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001837 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001838 return false;
1839 }
1840 if (!UnMount(true))
1841 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001842 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001843 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001844 command = "/system/bin/fsck.exfat " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001845 LOGINFO("Repair command: %s\n", command.c_str());
1846 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001847 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001848 return true;
1849 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001850 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001851 return false;
1852 }
1853 }
1854 if (Current_File_System == "f2fs") {
bigbiffad58e1b2020-07-06 20:24:34 -04001855 if (!TWFunc::Path_Exists("/system/bin/fsck.f2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001856 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001857 return false;
1858 }
1859 if (!UnMount(true))
1860 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001861 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001862 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001863 command = "/system/bin/fsck.f2fs " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001864 LOGINFO("Repair command: %s\n", command.c_str());
1865 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001866 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001867 return true;
1868 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001869 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001870 return false;
1871 }
1872 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001873 if (Current_File_System == "ntfs" || Current_File_System == "tntfs") {
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001874 string Ntfsfix_Binary;
bigbiffad58e1b2020-07-06 20:24:34 -04001875 if (TWFunc::Path_Exists("/system/bin/ntfsfix"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001876 Ntfsfix_Binary = "ntfsfix";
bigbiffad58e1b2020-07-06 20:24:34 -04001877 else if (TWFunc::Path_Exists("/system/bin/fsck.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001878 Ntfsfix_Binary = "fsck.ntfs";
1879 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001880 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("ntfsfix"));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001881 return false;
1882 }
1883 if (!UnMount(true))
1884 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001885 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)(Ntfsfix_Binary));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001886 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001887 command = "/system/bin/" + Ntfsfix_Binary + " " + Actual_Block_Device;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001888 LOGINFO("Repair command: %s\n", command.c_str());
1889 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001890 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001891 return true;
1892 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001893 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001894 return false;
1895 }
1896 }
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001897 return false;
1898}
1899
Ethan Yonkera2719152015-05-28 09:44:41 -05001900bool TWPartition::Can_Resize() {
1901 if (Mount_Read_Only)
1902 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001903 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 -05001904 return true;
1905 return false;
1906}
1907
1908bool TWPartition::Resize() {
1909 string command;
1910
1911 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1912 if (!Can_Repair()) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001913 LOGINFO("Cannot resize %s because %s cannot be repaired before resizing.\n", Display_Name.c_str(), Display_Name.c_str());
1914 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001915 return false;
1916 }
bigbiffad58e1b2020-07-06 20:24:34 -04001917 if (!TWFunc::Path_Exists("/system/bin/resize2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001918 LOGINFO("resize2fs does not exist! Cannot resize!\n");
1919 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001920 return false;
1921 }
1922 // Repair will unmount so no need to do it twice
Ethan Yonker74db1572015-10-28 12:44:49 -05001923 gui_msg(Msg("repair_resize=Repairing {1} before resizing.")( Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001924 if (!Repair())
1925 return false;
Ethan Yonker74db1572015-10-28 12:44:49 -05001926 gui_msg(Msg("resizing=Resizing {1} using {2}...")(Display_Name)("resize2fs"));
Ethan Yonkera2719152015-05-28 09:44:41 -05001927 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001928 command = "/system/bin/resize2fs " + Actual_Block_Device;
Ethan Yonkera2719152015-05-28 09:44:41 -05001929 if (Length != 0) {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001930 unsigned long long Actual_Size = IOCTL_Get_Block_Size();
1931 if (Actual_Size == 0)
1932 return false;
Ethan Yonkera2719152015-05-28 09:44:41 -05001933
Ethan Yonkera2719152015-05-28 09:44:41 -05001934 unsigned long long Block_Count;
1935 if (Length < 0) {
1936 // Reduce overall size by this length
1937 Block_Count = (Actual_Size / 1024LLU) - ((unsigned long long)(Length * -1) / 1024LLU);
1938 } else {
1939 // This is the size, not a size reduction
1940 Block_Count = ((unsigned long long)(Length) / 1024LLU);
1941 }
1942 char temp[256];
1943 sprintf(temp, "%llu", Block_Count);
1944 command += " ";
1945 command += temp;
1946 command += "K";
1947 }
1948 LOGINFO("Resize command: %s\n", command.c_str());
1949 if (TWFunc::Exec_Cmd(command) == 0) {
1950 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001951 gui_msg("done=Done.");
Ethan Yonkera2719152015-05-28 09:44:41 -05001952 return true;
1953 } else {
1954 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001955 gui_msg(Msg(msg::kError, "unable_resize=Unable to resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001956 return false;
1957 }
1958 }
1959 return false;
1960}
1961
bigbiffce8f83c2015-12-12 18:30:21 -05001962bool TWPartition::Backup(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
1963 if (Backup_Method == BM_FILES)
1964 return Backup_Tar(part_settings, tar_fork_pid);
1965 else if (Backup_Method == BM_DD)
1966 return Backup_Image(part_settings);
1967 else if (Backup_Method == BM_FLASH_UTILS)
1968 return Backup_Dump_Image(part_settings);
Dees_Troy2673cec2013-04-02 20:22:16 +00001969 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001970 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001971}
1972
bigbiffce8f83c2015-12-12 18:30:21 -05001973bool TWPartition::Restore(PartitionSettings *part_settings) {
Matt Mower3c366972015-12-25 19:28:31 -06001974 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonkere080c1f2016-09-19 13:50:25 -05001975 LOGINFO("Restore filename is: %s/%s\n", part_settings->Backup_Folder.c_str(), Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08001976
bigbiffce8f83c2015-12-12 18:30:21 -05001977 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001978
1979 if (Is_File_System(Restore_File_System))
bigbiffce8f83c2015-12-12 18:30:21 -05001980 return Restore_Tar(part_settings);
1981 else if (Is_Image(Restore_File_System))
1982 return Restore_Image(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001983
1984 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
1985 return false;
1986}
1987
bigbiffce8f83c2015-12-12 18:30:21 -05001988string TWPartition::Get_Restore_File_System(PartitionSettings *part_settings) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001989 size_t first_period, second_period;
1990 string Restore_File_System;
1991
Gary Peck43acadf2012-11-21 21:19:01 -08001992 // Parse backup filename to extract the file system before wiping
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05001993 first_period = Backup_FileName.find(".");
Gary Peck43acadf2012-11-21 21:19:01 -08001994 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001995 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001996 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001997 }
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05001998 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
Gary Peck43acadf2012-11-21 21:19:01 -08001999 second_period = Restore_File_System.find(".");
2000 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002001 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02002002 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08002003 }
2004 Restore_File_System.resize(second_period);
Matt Mowera0cd91d2016-12-30 18:21:42 -06002005 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002006 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04002007}
2008
2009string TWPartition::Backup_Method_By_Name() {
bigbiffce8f83c2015-12-12 18:30:21 -05002010 if (Backup_Method == BM_NONE)
Dees_Troy38bd7602012-09-14 13:33:53 -04002011 return "none";
bigbiffce8f83c2015-12-12 18:30:21 -05002012 else if (Backup_Method == BM_FILES)
Dees_Troy38bd7602012-09-14 13:33:53 -04002013 return "files";
bigbiffce8f83c2015-12-12 18:30:21 -05002014 else if (Backup_Method == BM_DD)
Dees_Troy38bd7602012-09-14 13:33:53 -04002015 return "dd";
bigbiffce8f83c2015-12-12 18:30:21 -05002016 else if (Backup_Method == BM_FLASH_UTILS)
Dees_Troy38bd7602012-09-14 13:33:53 -04002017 return "flash_utils";
2018 else
2019 return "undefined";
2020 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04002021}
2022
2023bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002024 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04002025 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04002026 return 1;
2027}
2028
2029bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002030 bool Save_Data_Media = Has_Data_Media;
Ethan Yonker93382822018-11-01 15:25:31 -05002031 bool ret = false;
2032 BasePartition* base_partition = make_partition();
2033
2034 if (!base_partition->PreWipeEncryption())
2035 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002036
dianlujitao4879b372018-12-03 18:45:47 +08002037 Find_Actual_Block_Device();
2038 if (!Is_Present) {
2039 LOGINFO("Block device not present, cannot format %s.\n", Display_Name.c_str());
2040 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2041 return false;
2042 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002043
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002044#ifdef TW_INCLUDE_CRYPTO
bigbiff7ba75002020-04-11 20:47:09 -04002045 if (!UnMount(true))
2046 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002047 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Matt Mower2b18a532015-02-20 16:58:05 -06002048 if (delete_crypto_blk_dev((char*)("userdata")) != 0) {
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002049 LOGERR("Error deleting crypto block device, continuing anyway.\n");
2050 }
2051 }
2052#endif
dianlujitao4879b372018-12-03 18:45:47 +08002053 Has_Data_Media = false;
Ethan Yonker93382822018-11-01 15:25:31 -05002054 Decrypted_Block_Device = "";
Dees_Troy74fb2e92013-04-15 14:35:47 +00002055 Is_Decrypted = false;
2056 Is_Encrypted = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08002057 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002058 Has_Data_Media = Save_Data_Media;
bigbiff7ba75002020-04-11 20:47:09 -04002059 // if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
2060 // if (Mount(false))
2061 // PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
2062 // }
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002063 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05002064#ifndef TW_OEM_BUILD
bigbiff25d25b92020-06-19 16:07:38 -04002065 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 -05002066#endif
Ethan Yonker93382822018-11-01 15:25:31 -05002067 ret = true;
2068 if (!Key_Directory.empty())
2069 ret = PartitionManager.Wipe_By_Path(Key_Directory);
2070 if (ret)
2071 ret = base_partition->PostWipeEncryption();
2072 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002073 } else {
2074 Has_Data_Media = Save_Data_Media;
Ethan Yonker74db1572015-10-28 12:44:49 -05002075 gui_err("format_data_err=Unable to format to remove encryption.");
Ethan Yonker726a0202014-12-16 20:01:38 -06002076 if (Has_Data_Media && Mount(false))
2077 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Ethan Yonker93382822018-11-01 15:25:31 -05002078 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002079 }
Ethan Yonker93382822018-11-01 15:25:31 -05002080exit:
2081 delete base_partition;
2082 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002083}
2084
2085void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002086 const char* type;
2087 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04002088
Dees_Troy68cab492012-12-12 19:29:35 +00002089 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
2090 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04002091
Dees_Troy38bd7602012-09-14 13:33:53 -04002092 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04002093 if (!Is_Present)
2094 return;
Dees_Troy51127312012-09-08 13:08:49 -04002095
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002096 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
2097 if (blkid_do_fullprobe(pr)) {
2098 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002099 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002100 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04002101 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002102
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002103 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002104 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002105 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002106 return;
2107 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002108
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002109 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002110 blkid_free_probe(pr);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002111 if (fs_flags.size() > 1) {
2112 std::vector<partition_fs_flags_struct>::iterator iter;
2113 std::vector<partition_fs_flags_struct>::iterator found = fs_flags.begin();
2114
2115 for (iter = fs_flags.begin(); iter != fs_flags.end(); iter++) {
2116 if (iter->File_System == Current_File_System) {
2117 found = iter;
2118 break;
2119 }
2120 }
2121 // If we don't find a match, we default the flags to the first set of flags that we received from the fstab
2122 if (Mount_Flags != found->Mount_Flags || Mount_Options != found->Mount_Options) {
2123 Mount_Flags = found->Mount_Flags;
2124 Mount_Options = found->Mount_Options;
2125 LOGINFO("Mount_Flags: %i, Mount_Options: %s\n", Mount_Flags, Mount_Options.c_str());
2126 }
2127 }
Dees_Troy51a0e822012-09-05 15:24:24 -04002128}
2129
dianlujitao4879b372018-12-03 18:45:47 +08002130bool TWPartition::Wipe_EXTFS(string File_System) {
bigbiff7ba75002020-04-11 20:47:09 -04002131 if (!UnMount(true))
2132 return false;
2133
dianlujitao4879b372018-12-03 18:45:47 +08002134#if PLATFORM_SDK_VERSION < 28
bigbiffad58e1b2020-07-06 20:24:34 -04002135 if (!TWFunc::Path_Exists("/system/bin/mke2fs"))
dianlujitao4879b372018-12-03 18:45:47 +08002136#else
bigbiffad58e1b2020-07-06 20:24:34 -04002137 if (!TWFunc::Path_Exists("/system/bin/mke2fs") || !TWFunc::Path_Exists("/system/bin/e2fsdroid"))
dianlujitao4879b372018-12-03 18:45:47 +08002138#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04002139 return Wipe_RMRF();
2140
dianlujitao4879b372018-12-03 18:45:47 +08002141 int ret;
2142 bool NeedPreserveFooter = true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002143
Ethan Yonker25f20c12014-10-14 09:04:43 -05002144 Find_Actual_Block_Device();
2145 if (!Is_Present) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002146 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2147 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Ethan Yonker25f20c12014-10-14 09:04:43 -05002148 return false;
2149 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002150
dianlujitao4879b372018-12-03 18:45:47 +08002151 /**
2152 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2153 * so there's no need to preserve footer.
2154 */
2155 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2156 Crypto_Key_Location != "footer") {
2157 NeedPreserveFooter = false;
2158 }
2159
2160 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2161 if (!dev_sz)
2162 return false;
2163
2164 if (NeedPreserveFooter)
2165 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2166
Dees Troy9a4d7402019-03-21 14:17:28 -04002167 char dout[16];
2168 sprintf(dout, "%llu", dev_sz / 4096);
2169
2170 //string size_str =to_string(dev_sz / 4096);
2171 string size_str = dout;
dianlujitao4879b372018-12-03 18:45:47 +08002172 string Command;
2173
2174 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mke2fs"));
2175
2176 // Execute mke2fs to create empty ext4 filesystem
2177 Command = "mke2fs -t " + File_System + " -b 4096 " + Actual_Block_Device + " " + size_str;
2178 LOGINFO("mke2fs command: %s\n", Command.c_str());
2179 ret = TWFunc::Exec_Cmd(Command);
2180 if (ret) {
2181 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2182 return false;
2183 }
2184
bigbiffad58e1b2020-07-06 20:24:34 -04002185 if (TWFunc::Path_Exists("/system/bin/e2fsdroid")) {
dianlujitao3cf05a52019-05-15 15:33:27 +08002186 const string& File_Contexts_Entry = (Mount_Point == "/system_root" ? "/" : Mount_Point);
2187 char *secontext = NULL;
2188 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, File_Contexts_Entry.c_str(), S_IFDIR) < 0) {
2189 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
2190 } else {
2191 // Execute e2fsdroid to initialize selinux context
bigbiff5b911ca2020-07-18 10:46:09 -04002192 if (Mount_Point == "/persist") {
2193 Mount(true);
2194 TWFunc::removeDir("/persist/lost+found", false);
2195 UnMount(true);
2196 }
dianlujitao3cf05a52019-05-15 15:33:27 +08002197 Command = "e2fsdroid -e -S /file_contexts -a " + File_Contexts_Entry + " " + Actual_Block_Device;
2198 LOGINFO("e2fsdroid command: %s\n", Command.c_str());
2199 ret = TWFunc::Exec_Cmd(Command);
2200 if (ret) {
2201 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2202 return false;
2203 }
dianlujitao4879b372018-12-03 18:45:47 +08002204 }
2205 } else {
2206 LOGINFO("e2fsdroid not present\n");
2207 }
2208
2209 if (NeedPreserveFooter)
2210 Wipe_Crypto_Key();
2211 Current_File_System = File_System;
2212 Recreate_AndSec_Folder();
2213 gui_msg("done=Done.");
2214 return true;
2215}
2216
2217bool TWPartition::Wipe_EXT4() {
2218#ifdef USE_EXT4
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002219 int ret;
dianlujitao4879b372018-12-03 18:45:47 +08002220 bool NeedPreserveFooter = true;
2221
bigbiff7ba75002020-04-11 20:47:09 -04002222 if (!UnMount(true))
2223 return false;
2224
dianlujitao4879b372018-12-03 18:45:47 +08002225 Find_Actual_Block_Device();
2226 if (!Is_Present) {
2227 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2228 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2229 return false;
2230 }
dianlujitao4879b372018-12-03 18:45:47 +08002231
2232 /**
2233 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2234 * so there's no need to preserve footer.
2235 */
2236 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2237 Crypto_Key_Location != "footer") {
2238 NeedPreserveFooter = false;
2239 }
2240
2241 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2242 if (!dev_sz)
2243 return false;
2244
2245 if (NeedPreserveFooter)
2246 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2247
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002248 char *secontext = NULL;
2249
Greg Wallace4b44fef2015-12-29 15:33:24 -05002250 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("make_ext4fs"));
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002251
Dees Troy99c8dbf2014-03-10 16:53:58 +00002252 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002253 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
dianlujitao4879b372018-12-03 18:45:47 +08002254 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), NULL);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002255 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002256 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), selinux_handle);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002257 }
2258 if (ret != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002259 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troya95f55c2013-08-17 13:14:43 +00002260 return false;
2261 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002262 if (NeedPreserveFooter)
2263 Wipe_Crypto_Key();
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04002264 string sedir = Mount_Point + "/lost+found";
2265 PartitionManager.Mount_By_Path(sedir.c_str(), true);
2266 rmdir(sedir.c_str());
2267 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00002268 return true;
2269 }
2270#else
dianlujitao4879b372018-12-03 18:45:47 +08002271 return Wipe_EXTFS("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00002272#endif
Dees_Troy51a0e822012-09-05 15:24:24 -04002273}
2274
2275bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002276 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04002277
bigbiff7ba75002020-04-11 20:47:09 -04002278 if (!UnMount(true))
2279 return false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002280
bigbiffad58e1b2020-07-06 20:24:34 -04002281 if (TWFunc::Path_Exists("/system/bin/mkfs.fat")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002282 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkfs.fat"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002283 Find_Actual_Block_Device();
Matt Mower18794c82015-11-11 16:22:45 -06002284 command = "mkfs.fat " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002285 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08002286 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04002287 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002288 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04002289 return true;
2290 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002291 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04002292 return false;
2293 }
2294 return true;
2295 }
2296 else
2297 return Wipe_RMRF();
2298
2299 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002300}
2301
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002302bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002303 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002304
bigbiff7ba75002020-04-11 20:47:09 -04002305 if (!UnMount(true))
2306 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04002307 if (TWFunc::Path_Exists("/system/bin/mkexfatfs")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002308 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkexfatfs"));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002309 Find_Actual_Block_Device();
2310 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002311 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002312 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002313 gui_msg("done=Done.");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002314 return true;
2315 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002316 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002317 return false;
2318 }
2319 return true;
2320 }
2321 return false;
2322}
2323
Dees_Troy38bd7602012-09-14 13:33:53 -04002324bool TWPartition::Wipe_MTD() {
2325 if (!UnMount(true))
2326 return false;
2327
Greg Wallace4b44fef2015-12-29 15:33:24 -05002328 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("MTD"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002329
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002330 mtd_scan_partitions();
2331 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
2332 if (mtd == NULL) {
2333 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
2334 return false;
2335 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002336
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002337 MtdWriteContext* ctx = mtd_write_partition(mtd);
2338 if (ctx == NULL) {
2339 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
2340 return false;
2341 }
2342 if (mtd_erase_blocks(ctx, -1) == -1) {
2343 mtd_write_close(ctx);
2344 LOGERR("Failed to format '%s'", MTD_Name.c_str());
2345 return false;
2346 }
2347 if (mtd_write_close(ctx) != 0) {
2348 LOGERR("Failed to close '%s'", MTD_Name.c_str());
2349 return false;
2350 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08002351 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04002352 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002353 gui_msg("done=Done.");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002354 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002355}
2356
2357bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002358 if (!Mount(true))
2359 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06002360 // This is the only wipe that leaves the partition mounted, so we
2361 // must manually remove the partition from MTP if it is a storage
2362 // partition.
2363 if (Is_Storage)
2364 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04002365
Ethan Yonker74db1572015-10-28 12:44:49 -05002366 gui_msg(Msg("remove_all=Removing all files under '{1}'")(Mount_Point));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002367 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002368 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002369 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002370}
2371
Dees_Troye5017042013-08-29 16:38:55 +00002372bool TWPartition::Wipe_F2FS() {
bigbiff7ba75002020-04-11 20:47:09 -04002373 std::string command;
2374 std::string f2fs_bin;
Dees_Troye5017042013-08-29 16:38:55 +00002375
bigbiff7ba75002020-04-11 20:47:09 -04002376 if (!UnMount(true))
2377 return false;
dianlujitao4879b372018-12-03 18:45:47 +08002378
bigbiffad58e1b2020-07-06 20:24:34 -04002379 if (TWFunc::Path_Exists("/system/bin/mkfs.f2fs"))
2380 f2fs_bin = "/system/bin/mkfs.f2fs";
2381 else if (TWFunc::Path_Exists("/system/bin/make_f2fs"))
2382 f2fs_bin = "/system/bin/make_f2fs";
bigbiff7ba75002020-04-11 20:47:09 -04002383 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002384 LOGINFO("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
Dees_Troye5017042013-08-29 16:38:55 +00002385 return Wipe_RMRF();
2386 }
bigbiff7ba75002020-04-11 20:47:09 -04002387
2388 bool NeedPreserveFooter = true;
2389
2390 Find_Actual_Block_Device();
2391 if (!Is_Present) {
2392 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2393 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2394 return false;
2395 }
2396
2397 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2398 if (!dev_sz)
2399 return false;
2400
2401 if (NeedPreserveFooter)
2402 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2403
2404 char dev_sz_str[48];
2405 sprintf(dev_sz_str, "%llu", (dev_sz / 4096));
2406 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 -04002407 if (TWFunc::Path_Exists("/system/bin/sload.f2fs")) {
bigbiff7ba75002020-04-11 20:47:09 -04002408 command += " && sload.f2fs -t /data " + Actual_Block_Device;
2409 }
2410
2411 /**
2412 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2413 * so there's no need to preserve footer.
2414 */
2415 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2416 Crypto_Key_Location != "footer") {
2417 NeedPreserveFooter = false;
2418 }
2419 LOGINFO("mkfs.f2fs command: %s\n", f2fs_bin.c_str());
2420 if (TWFunc::Exec_Cmd(command) == 0) {
2421 if (NeedPreserveFooter)
2422 Wipe_Crypto_Key();
2423 Recreate_AndSec_Folder();
2424 gui_msg("done=Done.");
2425 return true;
2426 } else {
2427 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2428 return false;
2429 }
2430 return true;
Dees_Troye5017042013-08-29 16:38:55 +00002431}
2432
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002433bool TWPartition::Wipe_NTFS() {
2434 string command;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002435 string Ntfsmake_Binary;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002436
bigbiff7ba75002020-04-11 20:47:09 -04002437 if (!UnMount(true))
2438 return false;
2439
bigbiffad58e1b2020-07-06 20:24:34 -04002440 if (TWFunc::Path_Exists("/system/bin/mkntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002441 Ntfsmake_Binary = "mkntfs";
bigbiffad58e1b2020-07-06 20:24:34 -04002442 else if (TWFunc::Path_Exists("/system/bin/mkfs.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002443 Ntfsmake_Binary = "mkfs.ntfs";
2444 else
2445 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002446
Greg Wallace4b44fef2015-12-29 15:33:24 -05002447 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)(Ntfsmake_Binary));
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002448 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04002449 command = "/system/bin/" + Ntfsmake_Binary + " " + Actual_Block_Device;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002450 if (TWFunc::Exec_Cmd(command) == 0) {
2451 Recreate_AndSec_Folder();
2452 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002453 return true;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002454 } else {
2455 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2456 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002457 }
2458 return false;
2459}
2460
Dees_Troy51a0e822012-09-05 15:24:24 -04002461bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05002462#ifdef TW_OEM_BUILD
2463 // In an OEM Build we want to do a full format
2464 return Wipe_Encryption();
2465#else
Ethan Yonker66a19492015-12-10 10:19:45 -06002466 bool ret = false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002467
Dees_Troy38bd7602012-09-14 13:33:53 -04002468 if (!Mount(true))
2469 return false;
2470
Ethan Yonker74db1572015-10-28 12:44:49 -05002471 gui_msg("wiping_data=Wiping data without wiping /data/media ...");
Ethan Yonker66a19492015-12-10 10:19:45 -06002472 ret = Wipe_Data_Without_Wiping_Media_Func(Mount_Point + "/");
2473 if (ret)
2474 gui_msg("done=Done.");
2475 return ret;
2476#endif // ifdef TW_OEM_BUILD
2477}
2478
2479bool TWPartition::Wipe_Data_Without_Wiping_Media_Func(const string& parent __unused) {
2480 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04002481
2482 DIR* d;
Ethan Yonker66a19492015-12-10 10:19:45 -06002483 d = opendir(parent.c_str());
Dees_Troy16b74352012-11-14 22:27:31 +00002484 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002485 struct dirent* de;
2486 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002487 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002488
Ethan Yonker66a19492015-12-10 10:19:45 -06002489 dir = parent;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002490 dir.append(de->d_name);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002491 if (wipe_exclusions.check_skip_dirs(dir)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002492 LOGINFO("skipped '%s'\n", dir.c_str());
2493 continue;
2494 }
Dees_Troyce675462013-01-09 19:48:21 +00002495 if (de->d_type == DT_DIR) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002496 dir.append("/");
2497 if (!Wipe_Data_Without_Wiping_Media_Func(dir)) {
2498 closedir(d);
2499 return false;
2500 }
2501 rmdir(dir.c_str());
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05002502 } 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 +03002503 if (unlink(dir.c_str()) != 0)
Ethan Yonker79f88bd2016-12-09 14:52:12 -06002504 LOGINFO("Unable to unlink '%s': %s\n", dir.c_str(), strerror(errno));
Dees_Troyce675462013-01-09 19:48:21 +00002505 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002506 }
2507 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002508
Dees_Troy16b74352012-11-14 22:27:31 +00002509 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04002510 }
Ethan Yonker74db1572015-10-28 12:44:49 -05002511 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy16b74352012-11-14 22:27:31 +00002512 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002513}
2514
dianlujitao4879b372018-12-03 18:45:47 +08002515void TWPartition::Wipe_Crypto_Key() {
2516 Find_Actual_Block_Device();
2517 if (Crypto_Key_Location.empty())
2518 return;
2519 else if (Crypto_Key_Location == "footer") {
2520 int fd = open(Actual_Block_Device.c_str(), O_RDWR);
2521 if (fd < 0) {
2522 gui_print_color("warning", "Unable to open '%s' to wipe crypto key\n", Actual_Block_Device.c_str());
2523 return;
2524 }
2525
2526 unsigned int block_count;
2527 if ((ioctl(fd, BLKGETSIZE, &block_count)) == -1) {
2528 gui_print_color("warning", "Unable to get block size for wiping crypto footer.\n");
2529 } else {
2530 int newlen = Length < 0 ? -Length : CRYPT_FOOTER_OFFSET;
2531 off64_t offset = ((off64_t)block_count * 512) - newlen;
2532 if (lseek64(fd, offset, SEEK_SET) == -1) {
2533 gui_print_color("warning", "Unable to lseek64 for wiping crypto footer.\n");
2534 } else {
2535 void* buffer = malloc(newlen);
2536 if (!buffer) {
2537 gui_print_color("warning", "Failed to malloc for wiping crypto footer.\n");
2538 } else {
2539 memset(buffer, 0, newlen);
2540 int ret = write(fd, buffer, newlen);
2541 if (ret != newlen) {
2542 gui_print_color("warning", "Failed to wipe crypto footer.\n");
2543 } else {
2544 LOGINFO("Successfully wiped crypto footer.\n");
2545 }
2546 free(buffer);
2547 }
2548 }
2549 }
2550 close(fd);
2551 } else {
2552 if (TWFunc::IOCTL_Get_Block_Size(Crypto_Key_Location.c_str()) >= 16384LLU) {
2553 string Command = "dd of='" + Crypto_Key_Location + "' if=/dev/zero bs=16384 count=1";
2554 TWFunc::Exec_Cmd(Command);
2555 } else {
2556 LOGINFO("Crypto key location reports size < 16K so not wiping crypto footer.\n");
2557 }
2558 }
2559}
2560
bigbiffce8f83c2015-12-12 18:30:21 -05002561bool TWPartition::Backup_Tar(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002562 string Full_FileName;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002563 twrpTar tar;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05002564
Dees_Troy43d8b002012-09-17 16:00:01 -04002565 if (!Mount(true))
2566 return false;
2567
Ian Macdonalda3b25a32019-06-16 22:39:14 +02002568 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, gui_parse_text("{@backing}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002569 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002570
Ethan Yonker472f5062016-02-25 13:47:30 -06002571 DataManager::GetValue(TW_USE_COMPRESSION_VAR, tar.use_compression);
Matt Mowerbb81e5d2014-03-20 18:05:41 -05002572
Dees_Troy83bd4832013-05-04 12:39:56 +00002573#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
Ethan Yonker472f5062016-02-25 13:47:30 -06002574 if (Can_Encrypt_Backup) {
2575 DataManager::GetValue("tw_encrypt_backup", tar.use_encryption);
2576 if (tar.use_encryption) {
2577 if (Use_Userdata_Encryption)
2578 tar.userdata_encryption = tar.use_encryption;
2579 string Password;
2580 DataManager::GetValue("tw_backup_password", Password);
2581 tar.setpassword(Password);
2582 } else {
2583 tar.use_encryption = 0;
2584 }
Dees_Troy83bd4832013-05-04 12:39:56 +00002585 }
2586#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04002587
Ethan Yonker472f5062016-02-25 13:47:30 -06002588 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002589 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker01f4e032017-02-03 15:30:52 -06002590 if (Has_Data_Media)
2591 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 -04002592 if (Mount_Point == "/data" && DataManager::GetIntValue(TW_IS_FBE)) {
2593 std::vector<users_struct>::iterator iter;
2594 std::vector<users_struct>* userList = PartitionManager.Get_Users_List();
2595 for (iter = userList->begin(); iter != userList->end(); iter++) {
2596 if (!(*iter).isDecrypted && (*iter).userId != "0") {
2597 gui_msg(Msg(msg::kWarning,
2598 "backup_storage_undecrypt_warning=Backup will not include some files from user {1} "
2599 "because the user is not decrypted.")((*iter).userId));
2600 backup_exclusions.add_absolute_dir("/data/system_ce/" + (*iter).userId);
2601 backup_exclusions.add_absolute_dir("/data/misc_ce/" + (*iter).userId);
2602 backup_exclusions.add_absolute_dir("/data/vendor_ce/" + (*iter).userId);
2603 backup_exclusions.add_absolute_dir("/data/media/" + (*iter).userId);
2604 backup_exclusions.add_absolute_dir("/data/user/" + (*iter).userId);
2605 }
2606 }
2607 }
bigbiffce8f83c2015-12-12 18:30:21 -05002608 tar.part_settings = part_settings;
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002609 tar.backup_exclusions = &backup_exclusions;
Dees Troye0a433a2013-12-02 04:10:37 +00002610 tar.setdir(Backup_Path);
2611 tar.setfn(Full_FileName);
2612 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002613 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002614 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002615 if (tar.createTarFork(tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00002616 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04002617 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002618}
2619
bigbiffce8f83c2015-12-12 18:30:21 -05002620bool TWPartition::Backup_Image(PartitionSettings *part_settings) {
2621 string Full_FileName, adb_file_name;
igoriok87e3d932013-01-31 21:03:53 +02002622
Ethan Yonker74db1572015-10-28 12:44:49 -05002623 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2624 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002625
Ethan Yonker472f5062016-02-25 13:47:30 -06002626 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Dees_Troy43d8b002012-09-17 16:00:01 -04002627
bigbiffce8f83c2015-12-12 18:30:21 -05002628 if (part_settings->adbbackup) {
2629 Full_FileName = TW_ADB_BACKUP;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002630 adb_file_name = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002631 }
2632 else
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002633 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002634
2635 part_settings->total_restore_size = Backup_Size;
2636
2637 if (part_settings->adbbackup) {
2638 if (!twadbbu::Write_TWIMG(adb_file_name, Backup_Size))
2639 return false;
2640 }
2641
2642 if (!Raw_Read_Write(part_settings))
Ethan Yonker472f5062016-02-25 13:47:30 -06002643 return false;
2644
bigbiffce8f83c2015-12-12 18:30:21 -05002645 if (part_settings->adbbackup) {
2646 if (!twadbbu::Write_TWEOF())
2647 return false;
Dees_Troy7c2dec82012-09-26 09:49:14 -04002648 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002649 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002650}
2651
bigbiffce8f83c2015-12-12 18:30:21 -05002652bool TWPartition::Raw_Read_Write(PartitionSettings *part_settings) {
2653 unsigned long long RW_Block_Size, Remain = Backup_Size;
2654 int src_fd = -1, dest_fd = -1;
2655 ssize_t bs;
Ethan Yonker472f5062016-02-25 13:47:30 -06002656 bool ret = false;
2657 void* buffer = NULL;
2658 unsigned long long backedup_size = 0;
bigbiffce8f83c2015-12-12 18:30:21 -05002659 string srcfn, destfn;
Ethan Yonker472f5062016-02-25 13:47:30 -06002660
bigbiffce8f83c2015-12-12 18:30:21 -05002661 if (part_settings->PM_Method == PM_BACKUP) {
2662 srcfn = Actual_Block_Device;
2663 if (part_settings->adbbackup)
2664 destfn = TW_ADB_BACKUP;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002665 else {
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002666 destfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002667 }
bigbiffce8f83c2015-12-12 18:30:21 -05002668 }
2669 else {
2670 destfn = Actual_Block_Device;
2671 if (part_settings->adbbackup) {
2672 srcfn = TW_ADB_RESTORE;
2673 } else {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002674 srcfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002675 Remain = TWFunc::Get_File_Size(srcfn);
2676 }
2677 }
Ethan Yonker472f5062016-02-25 13:47:30 -06002678
bigbiffce8f83c2015-12-12 18:30:21 -05002679 src_fd = open(srcfn.c_str(), O_RDONLY | O_LARGEFILE);
Ethan Yonker472f5062016-02-25 13:47:30 -06002680 if (src_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002681 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(srcfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002682 return false;
2683 }
bigbiffce8f83c2015-12-12 18:30:21 -05002684
2685 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 -06002686 if (dest_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002687 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(destfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002688 goto exit;
2689 }
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04002690
bigbiffce8f83c2015-12-12 18:30:21 -05002691 LOGINFO("Reading '%s', writing '%s'\n", srcfn.c_str(), destfn.c_str());
2692
2693 if (part_settings->adbbackup) {
2694 RW_Block_Size = MAX_ADB_READ;
2695 bs = MAX_ADB_READ;
2696 }
2697 else {
2698 RW_Block_Size = 1048576LLU; // 1MB
2699 bs = (ssize_t)(RW_Block_Size);
2700 }
2701
Ethan Yonker472f5062016-02-25 13:47:30 -06002702 buffer = malloc((size_t)bs);
2703 if (!buffer) {
2704 LOGINFO("Raw_Read_Write failed to malloc\n");
2705 goto exit;
2706 }
bigbiffce8f83c2015-12-12 18:30:21 -05002707
2708 if (part_settings->progress)
2709 part_settings->progress->SetPartitionSize(part_settings->total_restore_size);
2710
Ethan Yonker472f5062016-02-25 13:47:30 -06002711 while (Remain > 0) {
2712 if (Remain < RW_Block_Size)
bigbiffce8f83c2015-12-12 18:30:21 -05002713 bs = (ssize_t)(Remain);
Matt Mowera8a89d12016-12-30 18:10:37 -06002714 if (read(src_fd, buffer, bs) != bs) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002715 LOGINFO("Error reading source fd (%s)\n", strerror(errno));
2716 goto exit;
2717 }
2718 if (write(dest_fd, buffer, bs) != bs) {
2719 LOGINFO("Error writing destination fd (%s)\n", strerror(errno));
2720 goto exit;
2721 }
2722 backedup_size += (unsigned long long)(bs);
Matt Mower029a82d2017-01-08 13:12:38 -06002723 Remain -= (unsigned long long)(bs);
bigbiffce8f83c2015-12-12 18:30:21 -05002724 if (part_settings->progress)
2725 part_settings->progress->UpdateSize(backedup_size);
Ethan Yonker472f5062016-02-25 13:47:30 -06002726 if (PartitionManager.Check_Backup_Cancel() != 0)
2727 goto exit;
2728 }
bigbiffce8f83c2015-12-12 18:30:21 -05002729 if (part_settings->progress)
2730 part_settings->progress->UpdateDisplayDetails(true);
Ethan Yonker472f5062016-02-25 13:47:30 -06002731 fsync(dest_fd);
nailyka083dc62016-11-11 21:41:28 +01002732
2733 if (!part_settings->adbbackup && part_settings->PM_Method == PM_BACKUP) {
2734 tw_set_default_metadata(destfn.c_str());
2735 LOGINFO("Restored default metadata for %s\n", destfn.c_str());
2736 }
2737
Ethan Yonker472f5062016-02-25 13:47:30 -06002738 ret = true;
2739exit:
2740 if (src_fd >= 0)
2741 close(src_fd);
2742 if (dest_fd >= 0)
2743 close(dest_fd);
2744 if (buffer)
2745 free(buffer);
2746 return ret;
2747}
2748
bigbiffce8f83c2015-12-12 18:30:21 -05002749bool TWPartition::Backup_Dump_Image(PartitionSettings *part_settings) {
Vojtech Bocek05534202013-09-11 08:11:56 +02002750 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04002751
Ethan Yonker74db1572015-10-28 12:44:49 -05002752 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2753 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002754
bigbiffce8f83c2015-12-12 18:30:21 -05002755 if (part_settings->progress)
2756 part_settings->progress->SetPartitionSize(Backup_Size);
Dees_Troy43d8b002012-09-17 16:00:01 -04002757
Ethan Yonker472f5062016-02-25 13:47:30 -06002758 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002759 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04002760
2761 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
bigbiffce8f83c2015-12-12 18:30:21 -05002762
Dees_Troy2673cec2013-04-02 20:22:16 +00002763 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002764 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002765 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002766 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
2767 // 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 -06002768 gui_msg(Msg(msg::kError, "backup_size=Backup file size for '{1}' is 0 bytes.")(Full_FileName));
Dees_Troy7c2dec82012-09-26 09:49:14 -04002769 return false;
2770 }
bigbiffce8f83c2015-12-12 18:30:21 -05002771 if (part_settings->progress)
2772 part_settings->progress->UpdateSize(Backup_Size);
2773
Dees_Troy43d8b002012-09-17 16:00:01 -04002774 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002775}
2776
bigbiffce8f83c2015-12-12 18:30:21 -05002777unsigned long long TWPartition::Get_Restore_Size(PartitionSettings *part_settings) {
2778 if (!part_settings->adbbackup) {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002779 InfoManager restore_info(part_settings->Backup_Folder + "/" + Backup_Name + ".info");
bigbiffce8f83c2015-12-12 18:30:21 -05002780 if (restore_info.LoadValues() == 0) {
2781 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
2782 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
2783 return Restore_Size;
2784 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002785 }
2786 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002787
Matt Mower029a82d2017-01-08 13:12:38 -06002788 string Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
2789 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002790
2791 if (Is_Image(Restore_File_System)) {
2792 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
2793 return Restore_Size;
2794 }
2795
2796 twrpTar tar;
2797 tar.setdir(Backup_Path);
2798 tar.setfn(Full_FileName);
bigbiffce8f83c2015-12-12 18:30:21 -05002799 tar.backup_name = Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002800#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2801 string Password;
2802 DataManager::GetValue("tw_restore_password", Password);
2803 if (!Password.empty())
2804 tar.setpassword(Password);
2805#endif
2806 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002807 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002808 tar.part_settings = part_settings;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002809 Restore_Size = tar.get_size();
2810 return Restore_Size;
2811}
2812
bigbiffce8f83c2015-12-12 18:30:21 -05002813bool TWPartition::Restore_Tar(PartitionSettings *part_settings) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002814 string Full_FileName;
Dees Troy4159aed2014-02-28 17:24:43 +00002815 bool ret = false;
bigbiffce8f83c2015-12-12 18:30:21 -05002816 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002817
Dees_Troye58d5262012-09-21 12:27:57 -04002818 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04002819 if (!Wipe_AndSec())
2820 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08002821 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002822 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
Ethan Yonker5eac2222014-06-11 12:22:55 -05002823 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002824 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 -05002825 if (!Wipe_Data_Without_Wiping_Media())
2826 return false;
2827 } else {
2828 if (!Wipe(Restore_File_System))
2829 return false;
2830 }
Dees_Troye58d5262012-09-21 12:27:57 -04002831 }
Matt Mower3c366972015-12-25 19:28:31 -06002832 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002833 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002834
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002835 // Remount as read/write as needed so we can restore the backup
2836 if (!ReMount_RW(true))
Dees_Troy43d8b002012-09-17 16:00:01 -04002837 return false;
2838
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002839 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06002840 twrpTar tar;
bigbiffce8f83c2015-12-12 18:30:21 -05002841 tar.part_settings = part_settings;
Ethan Yonker87af5632014-02-10 11:56:35 -06002842 tar.setdir(Backup_Path);
2843 tar.setfn(Full_FileName);
2844 tar.backup_name = Backup_Name;
2845#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2846 string Password;
2847 DataManager::GetValue("tw_restore_password", Password);
2848 if (!Password.empty())
2849 tar.setpassword(Password);
2850#endif
bigbiffce8f83c2015-12-12 18:30:21 -05002851 part_settings->progress->SetPartitionSize(Get_Restore_Size(part_settings));
2852 if (tar.extractTarFork() != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00002853 ret = false;
2854 else
2855 ret = true;
2856#ifdef HAVE_CAPABILITIES
2857 // Restore capabilities to the run-as binary
Captain Throwback9d6feb52018-07-27 10:05:24 -04002858 if (Mount_Point == PartitionManager.Get_Android_Root_Path() && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
Dees Troy4159aed2014-02-28 17:24:43 +00002859 struct vfs_cap_data cap_data;
2860 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
2861
2862 memset(&cap_data, 0, sizeof(cap_data));
2863 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
2864 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
2865 cap_data.data[0].inheritable = 0;
2866 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
2867 cap_data.data[1].inheritable = 0;
2868 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
2869 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
2870 } else {
2871 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
2872 }
2873 }
2874#endif
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002875 if (Mount_Read_Only || Mount_Flags & MS_RDONLY)
2876 // Remount as read only when restoration is complete
2877 ReMount(true);
2878
Dees Troy4159aed2014-02-28 17:24:43 +00002879 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002880}
2881
bigbiffce8f83c2015-12-12 18:30:21 -05002882bool TWPartition::Restore_Image(PartitionSettings *part_settings) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06002883 string Full_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002884 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002885
Matt Mower3c366972015-12-25 19:28:31 -06002886 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002887 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
bigbiffce8f83c2015-12-12 18:30:21 -05002888
2889 if (part_settings->adbbackup)
2890 Full_FileName = TW_ADB_RESTORE;
2891 else
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002892 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08002893
Ethan Yonker96af84a2015-01-05 14:58:36 -06002894 if (Restore_File_System == "emmc") {
bigbiffce8f83c2015-12-12 18:30:21 -05002895 if (!part_settings->adbbackup)
2896 part_settings->total_restore_size = (uint64_t)(TWFunc::Get_File_Size(Full_FileName));
2897 if (!Raw_Read_Write(part_settings))
Ethan Yonker96af84a2015-01-05 14:58:36 -06002898 return false;
2899 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
bigbiffce8f83c2015-12-12 18:30:21 -05002900 if (!Flash_Image_FI(Full_FileName, part_settings->progress))
2901 return false;
2902 }
2903
2904 if (part_settings->adbbackup) {
2905 if (!twadbbu::Write_TWEOF())
Ethan Yonker96af84a2015-01-05 14:58:36 -06002906 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08002907 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002908 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002909}
Dees_Troy5bf43922012-09-07 16:07:55 -04002910
2911bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04002912 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04002913
Ethan Yonker1b190162016-12-05 15:25:19 -06002914 Find_Actual_Block_Device();
2915
bigbiffee7b7ff2020-03-23 15:08:27 -04002916 if (Actual_Block_Device.empty())
2917 return false;
2918
Ethan Yonker1b190162016-12-05 15:25:19 -06002919 if (!Can_Be_Mounted && !Is_Encrypted) {
2920 if (TWFunc::Path_Exists(Actual_Block_Device) && Find_Partition_Size()) {
2921 Used = Size;
2922 Backup_Size = Size;
2923 return true;
2924 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002925 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002926 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002927
Dees_Troy0550cfb2012-10-13 11:56:13 -04002928 Was_Already_Mounted = Is_Mounted();
bigbiffee7b7ff2020-03-23 15:08:27 -04002929
Dees_Troy38bd7602012-09-14 13:33:53 -04002930 if (Removable || Is_Encrypted) {
2931 if (!Mount(false))
2932 return true;
2933 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04002934 return false;
Dees_Troy51127312012-09-08 13:08:49 -04002935
2936 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002937 if (!ret || Size == 0) {
2938 if (!Get_Size_Via_df(Display_Error)) {
2939 if (!Was_Already_Mounted)
2940 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04002941 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002942 }
2943 }
Dees_Troy51127312012-09-08 13:08:49 -04002944
Dees_Troy5bf43922012-09-07 16:07:55 -04002945 if (Has_Data_Media) {
2946 if (Mount(Display_Error)) {
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002947 Used = backup_exclusions.Get_Folder_Size(Mount_Point);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002948 Backup_Size = Used;
2949 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04002950 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002951 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002952 } else {
2953 if (!Was_Already_Mounted)
2954 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002955 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002956 }
Dees_Troye58d5262012-09-21 12:27:57 -04002957 } else if (Has_Android_Secure) {
2958 if (Mount(Display_Error))
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002959 Backup_Size = backup_exclusions.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002960 else {
2961 if (!Was_Already_Mounted)
2962 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04002963 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002964 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002965 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04002966 if (!Was_Already_Mounted)
2967 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002968 return true;
Dees_Troy51127312012-09-08 13:08:49 -04002969}
Dees_Troy38bd7602012-09-14 13:33:53 -04002970
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002971bool TWPartition::Find_Wildcard_Block_Devices(const string& Device) {
2972 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
2973 string Path = TWFunc::Get_Path(Device);
2974 string Dev = TWFunc::Get_Filename(Device);
2975 size_t wildcard_index = Dev.find("*");
2976 if (wildcard_index != string::npos)
2977 Dev = Dev.substr(0, wildcard_index);
2978 wildcard_index = Dev.size();
2979 DIR* d = opendir(Path.c_str());
2980 if (d == NULL) {
2981 LOGINFO("Error opening '%s': %s\n", Path.c_str(), strerror(errno));
2982 return false;
2983 }
2984 struct dirent* de;
2985 while ((de = readdir(d)) != NULL) {
2986 if (de->d_type != DT_BLK || strlen(de->d_name) <= wildcard_index || strncmp(de->d_name, Dev.c_str(), wildcard_index) != 0)
2987 continue;
2988
2989 string item = Path + "/";
2990 item.append(de->d_name);
2991 if (PartitionManager.Find_Partition_By_Block_Device(item))
2992 continue;
2993 TWPartition *part = new TWPartition;
2994 char buffer[MAX_FSTAB_LINE_LENGTH];
2995 sprintf(buffer, "%s %s-%i auto defaults defaults", item.c_str(), Mount_Point.c_str(), ++mount_point_index);
bigbiff8da46fa2020-09-08 16:42:34 -04002996 part->Process_Fstab_Line(buffer, false, NULL);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002997 char display[MAX_FSTAB_LINE_LENGTH];
2998 sprintf(display, "%s %i", Storage_Name.c_str(), mount_point_index);
2999 part->Storage_Name = display;
3000 part->Display_Name = display;
3001 part->Primary_Block_Device = item;
3002 part->Wildcard_Block_Device = false;
3003 part->Is_SubPartition = true;
3004 part->SubPartition_Of = Mount_Point;
3005 part->Is_Storage = Is_Storage;
3006 part->Can_Be_Mounted = true;
3007 part->Removable = true;
3008 part->Can_Be_Wiped = Can_Be_Wiped;
3009 part->Wipe_Available_in_GUI = Wipe_Available_in_GUI;
3010 part->Find_Actual_Block_Device();
3011 part->Update_Size(false);
3012 Has_SubPartition = true;
3013 PartitionManager.Output_Partition(part);
3014 PartitionManager.Add_Partition(part);
3015 }
3016 closedir(d);
3017 return (mount_point_index > 0);
3018}
3019
Dees_Troy38bd7602012-09-14 13:33:53 -04003020void TWPartition::Find_Actual_Block_Device(void) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06003021 if (!Sysfs_Entry.empty() && Primary_Block_Device.empty() && Decrypted_Block_Device.empty()) {
3022 /* Sysfs_Entry.empty() indicates if this is a sysfs entry that begins with /device/
3023 * If we have a syfs entry then we are looking for this device from a uevent add.
3024 * The uevent add will set the primary block device based on the data we receive from
3025 * after checking for adopted storage. If the device ends up being adopted, then the
3026 * decrypted block device will be set instead of the primary block device. */
3027 Is_Present = false;
3028 return;
3029 }
3030 if (Wildcard_Block_Device && !Is_Adopted_Storage) {
3031 Is_Present = false;
3032 Actual_Block_Device = "";
3033 Can_Be_Mounted = false;
3034 if (!Find_Wildcard_Block_Devices(Primary_Block_Device)) {
3035 string Dev = Primary_Block_Device.substr(0, Primary_Block_Device.find("*"));
3036 if (TWFunc::Path_Exists(Dev)) {
3037 Is_Present = true;
3038 Can_Be_Mounted = true;
3039 Actual_Block_Device = Dev;
3040 }
3041 }
3042 return;
3043 } else if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003044 Actual_Block_Device = Decrypted_Block_Device;
Ethan Yonker1b190162016-12-05 15:25:19 -06003045 if (TWFunc::Path_Exists(Decrypted_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003046 Is_Present = true;
Ethan Yonker1b190162016-12-05 15:25:19 -06003047 return;
3048 }
3049 } else if (SlotSelect && TWFunc::Path_Exists(Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix())) {
3050 Actual_Block_Device = Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix();
3051 unlink(Primary_Block_Device.c_str());
3052 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
3053 Is_Present = true;
3054 return;
Dees_Troy43d8b002012-09-17 16:00:01 -04003055 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003056 Is_Present = true;
3057 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003058 return;
3059 }
Ethan Yonker1b190162016-12-05 15:25:19 -06003060 if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04003061 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04003062 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003063 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04003064 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003065 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003066}
3067
3068void TWPartition::Recreate_Media_Folder(void) {
3069 string Command;
Ethan Yonker66a19492015-12-10 10:19:45 -06003070 string Media_Path = Mount_Point + "/media";
Dees_Troy38bd7602012-09-14 13:33:53 -04003071
Ethan Yonkerbd7492d2016-12-07 13:55:01 -06003072 if (Is_FBE) {
3073 LOGINFO("Not recreating media folder on FBE\n");
3074 return;
3075 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003076 if (!Mount(true)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003077 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Media_Path));
3078 } else if (!TWFunc::Path_Exists(Media_Path)) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003079 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker66a19492015-12-10 10:19:45 -06003080 LOGINFO("Recreating %s folder.\n", Media_Path.c_str());
3081 mkdir(Media_Path.c_str(), 0770);
xiaolu9416f4f2015-06-04 08:22:23 +08003082 string Internal_path = DataManager::GetStrValue("tw_internal_path");
3083 if (!Internal_path.empty()) {
3084 LOGINFO("Recreating %s folder.\n", Internal_path.c_str());
3085 mkdir(Internal_path.c_str(), 0770);
3086 }
3087#ifdef TW_INTERNAL_STORAGE_PATH
3088 mkdir(EXPAND(TW_INTERNAL_STORAGE_PATH), 0770);
3089#endif
Matt Mower87413642017-01-17 21:14:46 -06003090
thata3d31fb2014-12-21 22:27:40 +01003091 // Afterwards, we will try to set the
3092 // default metadata that we were hopefully able to get during
3093 // early boot.
Ethan Yonker66a19492015-12-10 10:19:45 -06003094 tw_set_default_metadata(Media_Path.c_str());
xiaolu9416f4f2015-06-04 08:22:23 +08003095 if (!Internal_path.empty())
3096 tw_set_default_metadata(Internal_path.c_str());
Matt Mower87413642017-01-17 21:14:46 -06003097
Ethan Yonker5eac2222014-06-11 12:22:55 -05003098 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003099 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05003100 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04003101 }
Dees_Troy43d8b002012-09-17 16:00:01 -04003102}
Dees_Troye58d5262012-09-21 12:27:57 -04003103
3104void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04003105 if (!Has_Android_Secure)
3106 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00003107 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04003108 if (!Mount(true)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003109 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Backup_Name));
Dees_Troye58d5262012-09-21 12:27:57 -04003110 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00003111 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003112 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05003113 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003114 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04003115 }
3116}
bigbiff7cb4c332014-11-26 20:36:07 -05003117
3118uint64_t TWPartition::Get_Max_FileSize() {
3119 uint64_t maxFileSize = 0;
3120 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
3121 const uint64_t constTB = (uint64_t) constGB * 1024;
3122 const uint64_t constPB = (uint64_t) constTB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05003123 if (Current_File_System == "ext4")
3124 maxFileSize = 16 * constTB; //16 TB
3125 else if (Current_File_System == "vfat")
3126 maxFileSize = 4 * constGB; //4 GB
Captain Throwback47bf7202020-10-06 17:39:39 -04003127 else if (Current_File_System == "ntfs" || Current_File_System == "tntfs")
bigbiff0c532032014-12-21 13:41:26 -05003128 maxFileSize = 256 * constTB; //256 TB
3129 else if (Current_File_System == "exfat")
3130 maxFileSize = 16 * constPB; //16 PB
3131 else if (Current_File_System == "ext3")
3132 maxFileSize = 2 * constTB; //2 TB
3133 else if (Current_File_System == "f2fs")
3134 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05003135 else
3136 maxFileSize = 100000000L;
3137 return maxFileSize - 1;
3138}
3139
bigbiffce8f83c2015-12-12 18:30:21 -05003140bool TWPartition::Flash_Image(PartitionSettings *part_settings) {
3141 string Restore_File_System, full_filename;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003142
Ethan Yonkere080c1f2016-09-19 13:50:25 -05003143 full_filename = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003144
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003145 LOGINFO("Image filename is: %s\n", Backup_FileName.c_str());
bigbiffce8f83c2015-12-12 18:30:21 -05003146
3147 if (Backup_Method == BM_FILES) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003148 LOGERR("Cannot flash images to file systems\n");
3149 return false;
3150 } else if (!Can_Flash_Img) {
3151 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
3152 return false;
3153 } else {
3154 if (!Find_Partition_Size()) {
3155 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
3156 return false;
3157 }
bigbiffce8f83c2015-12-12 18:30:21 -05003158 unsigned long long image_size = TWFunc::Get_File_Size(full_filename);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003159 if (image_size > Size) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003160 LOGINFO("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003161 image_size, Backup_FileName.c_str(), Actual_Block_Device.c_str(), Size);
Ethan Yonker74db1572015-10-28 12:44:49 -05003162 gui_err("img_size_err=Size of image is larger than target device");
Ethan Yonker96af84a2015-01-05 14:58:36 -06003163 return false;
3164 }
bigbiffce8f83c2015-12-12 18:30:21 -05003165 if (Backup_Method == BM_DD) {
3166 if (!part_settings->adbbackup) {
3167 if (Is_Sparse_Image(full_filename)) {
3168 return Flash_Sparse_Image(full_filename);
3169 }
Ethan Yonker472f5062016-02-25 13:47:30 -06003170 }
bigbiffce8f83c2015-12-12 18:30:21 -05003171 return Raw_Read_Write(part_settings);
3172 } else if (Backup_Method == BM_FLASH_UTILS) {
3173 return Flash_Image_FI(full_filename, NULL);
Ethan Yonker472f5062016-02-25 13:47:30 -06003174 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003175 }
3176
3177 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
3178 return false;
3179}
3180
Ethan Yonker472f5062016-02-25 13:47:30 -06003181bool TWPartition::Is_Sparse_Image(const string& Filename) {
HashBanged974bb2016-01-30 14:20:09 -05003182 uint32_t magic = 0;
3183 int fd = open(Filename.c_str(), O_RDONLY);
3184 if (fd < 0) {
3185 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3186 return false;
3187 }
bigbiffce8f83c2015-12-12 18:30:21 -05003188
HashBanged974bb2016-01-30 14:20:09 -05003189 if (read(fd, &magic, sizeof(magic)) != sizeof(magic)) {
3190 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3191 close(fd);
3192 return false;
3193 }
3194 close(fd);
Ethan Yonker472f5062016-02-25 13:47:30 -06003195 if (magic == SPARSE_HEADER_MAGIC)
3196 return true;
3197 return false;
3198}
3199
3200bool TWPartition::Flash_Sparse_Image(const string& Filename) {
3201 string Command;
3202
3203 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
3204
3205 Command = "simg2img '" + Filename + "' '" + Actual_Block_Device + "'";
Ethan Yonker96af84a2015-01-05 14:58:36 -06003206 LOGINFO("Flash command: '%s'\n", Command.c_str());
3207 TWFunc::Exec_Cmd(Command);
3208 return true;
3209}
3210
Ethan Yonker472f5062016-02-25 13:47:30 -06003211bool TWPartition::Flash_Image_FI(const string& Filename, ProgressTracking *progress) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003212 string Command;
Ethan Yonker472f5062016-02-25 13:47:30 -06003213 unsigned long long file_size;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003214
Ethan Yonker74db1572015-10-28 12:44:49 -05003215 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
Ethan Yonker472f5062016-02-25 13:47:30 -06003216 if (progress) {
3217 file_size = (unsigned long long)(TWFunc::Get_File_Size(Filename));
3218 progress->SetPartitionSize(file_size);
3219 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003220 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
3221 Command = "erase_image " + MTD_Name;
3222 LOGINFO("Erase command: '%s'\n", Command.c_str());
3223 TWFunc::Exec_Cmd(Command);
3224 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
3225 LOGINFO("Flash command: '%s'\n", Command.c_str());
3226 TWFunc::Exec_Cmd(Command);
Ethan Yonker472f5062016-02-25 13:47:30 -06003227 if (progress)
3228 progress->UpdateSize(file_size);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003229 return true;
3230}
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003231
3232void TWPartition::Change_Mount_Read_Only(bool new_value) {
3233 Mount_Read_Only = new_value;
3234}
3235
bigbiffce8f83c2015-12-12 18:30:21 -05003236bool TWPartition::Is_Read_Only() {
3237 return Mount_Read_Only;
3238}
3239
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003240int TWPartition::Check_Lifetime_Writes() {
3241 bool original_read_only = Mount_Read_Only;
3242 int ret = 1;
3243
3244 Mount_Read_Only = true;
3245 if (Mount(false)) {
3246 Find_Actual_Block_Device();
Ethan Yonker54970bb2019-01-17 16:19:24 -06003247 string temp = Actual_Block_Device;
3248 Find_Real_Block_Device(temp, false);
3249 string block = basename(temp.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003250 string file = "/sys/fs/" + Current_File_System + "/" + block + "/lifetime_write_kbytes";
3251 string result;
3252 if (TWFunc::Path_Exists(file)) {
3253 if (TWFunc::read_file(file, result) != 0) {
3254 LOGINFO("Check_Lifetime_Writes of '%s' failed to read_file\n", file.c_str());
3255 } else {
3256 LOGINFO("Check_Lifetime_Writes result: '%s'\n", result.c_str());
3257 if (result == "0") {
3258 ret = 0;
3259 }
3260 }
3261 } else {
3262 LOGINFO("Check_Lifetime_Writes file does not exist '%s'\n", file.c_str());
3263 }
3264 UnMount(true);
3265 } else {
3266 LOGINFO("Check_Lifetime_Writes failed to mount '%s'\n", Mount_Point.c_str());
3267 }
3268 Mount_Read_Only = original_read_only;
3269 return ret;
3270}
Ethan Yonker66a19492015-12-10 10:19:45 -06003271
3272int TWPartition::Decrypt_Adopted() {
3273#ifdef TW_INCLUDE_CRYPTO
3274 int ret = 1;
3275 Is_Adopted_Storage = false;
3276 string Adopted_Key_File = "";
3277
3278 if (!Removable)
3279 return ret;
3280
3281 int fd = open(Alternate_Block_Device.c_str(), O_RDONLY);
3282 if (fd < 0) {
3283 LOGINFO("failed to open '%s'\n", Alternate_Block_Device.c_str());
3284 return ret;
3285 }
3286 char type_guid[80];
3287 char part_guid[80];
3288
3289 if (gpt_disk_get_partition_info(fd, 2, type_guid, part_guid) == 0) {
3290 LOGINFO("type: '%s'\n", type_guid);
3291 LOGINFO("part: '%s'\n", part_guid);
3292 Adopted_GUID = part_guid;
3293 LOGINFO("Adopted_GUID '%s'\n", Adopted_GUID.c_str());
3294 if (strcmp(type_guid, TWGptAndroidExpand) == 0) {
3295 LOGINFO("android_expand found\n");
3296 Adopted_Key_File = "/data/misc/vold/expand_";
3297 Adopted_Key_File += part_guid;
3298 Adopted_Key_File += ".key";
3299 if (TWFunc::Path_Exists(Adopted_Key_File)) {
3300 Is_Adopted_Storage = true;
3301 /* Until we find a use case for this, I think it is safe
3302 * to disable USB Mass Storage whenever adopted storage
3303 * is present.
3304 */
3305 LOGINFO("Detected adopted storage, disabling USB mass storage mode\n");
3306 DataManager::SetValue("tw_has_usb_storage", 0);
3307 }
3308 }
3309 }
3310
3311 if (Is_Adopted_Storage) {
3312 string Adopted_Block_Device = Alternate_Block_Device + "p2";
3313 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
3314 Adopted_Block_Device = Alternate_Block_Device + "2";
3315 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
3316 LOGINFO("Adopted block device does not exist\n");
3317 goto exit;
3318 }
3319 }
3320 LOGINFO("key file is '%s', block device '%s'\n", Adopted_Key_File.c_str(), Adopted_Block_Device.c_str());
3321 char crypto_blkdev[MAXPATHLEN];
3322 std::string thekey;
3323 int fdkey = open(Adopted_Key_File.c_str(), O_RDONLY);
3324 if (fdkey < 0) {
3325 LOGINFO("failed to open key file\n");
3326 goto exit;
3327 }
3328 char buf[512];
3329 ssize_t n;
3330 while ((n = read(fdkey, &buf[0], sizeof(buf))) > 0) {
3331 thekey.append(buf, n);
3332 }
3333 close(fdkey);
3334 unsigned char* key = (unsigned char*) thekey.data();
3335 cryptfs_revert_ext_volume(part_guid);
3336
3337 ret = cryptfs_setup_ext_volume(part_guid, Adopted_Block_Device.c_str(), key, thekey.size(), crypto_blkdev);
3338 if (ret == 0) {
3339 LOGINFO("adopted storage new block device: '%s'\n", crypto_blkdev);
3340 Decrypted_Block_Device = crypto_blkdev;
3341 Is_Decrypted = true;
3342 Is_Encrypted = true;
3343 Find_Actual_Block_Device();
Kjell Braden3126a112016-06-19 16:58:15 +00003344 if (!Mount_Storage_Retry(false)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003345 LOGERR("Failed to mount decrypted adopted storage device\n");
3346 Is_Decrypted = false;
3347 Is_Encrypted = false;
3348 cryptfs_revert_ext_volume(part_guid);
3349 ret = 1;
3350 } else {
Ethan Yonkerfcf3f242016-02-16 12:30:26 -06003351 UnMount(false);
3352 Has_Android_Secure = false;
3353 Symlink_Path = "";
3354 Symlink_Mount_Point = "";
3355 Backup_Name = Mount_Point.substr(1);
3356 Backup_Path = Mount_Point;
3357 TWPartition* sdext = PartitionManager.Find_Partition_By_Path("/sd-ext");
3358 if (sdext && sdext->Actual_Block_Device == Adopted_Block_Device) {
3359 LOGINFO("Removing /sd-ext from partition list due to adopted storage\n");
3360 PartitionManager.Remove_Partition_By_Path("/sd-ext");
3361 }
Ethan Yonker66a19492015-12-10 10:19:45 -06003362 Setup_Data_Media();
Ethan Yonker66a19492015-12-10 10:19:45 -06003363 Wipe_Available_in_GUI = true;
3364 Wipe_During_Factory_Reset = true;
3365 Can_Be_Backed_Up = true;
3366 Can_Encrypt_Backup = true;
3367 Use_Userdata_Encryption = true;
3368 Is_Storage = true;
3369 Storage_Name = "Adopted Storage";
3370 Is_SubPartition = true;
3371 SubPartition_Of = "/data";
3372 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
3373 DataManager::SetValue("tw_has_adopted_storage", 1);
3374 }
3375 } else {
3376 LOGERR("Failed to setup adopted storage decryption\n");
3377 }
3378 }
3379exit:
Matt Mower06543e32017-01-06 15:25:26 -06003380 close(fd);
Ethan Yonker66a19492015-12-10 10:19:45 -06003381 return ret;
3382#else
3383 LOGINFO("Decrypt_Adopted: no crypto support\n");
3384 return 1;
3385#endif
3386}
3387
3388void TWPartition::Revert_Adopted() {
3389#ifdef TW_INCLUDE_CRYPTO
3390 if (!Adopted_GUID.empty()) {
3391 PartitionManager.Remove_MTP_Storage(Mount_Point);
3392 UnMount(false);
3393 cryptfs_revert_ext_volume(Adopted_GUID.c_str());
3394 Is_Adopted_Storage = false;
3395 Is_Encrypted = false;
3396 Is_Decrypted = false;
3397 Decrypted_Block_Device = "";
3398 Find_Actual_Block_Device();
3399 Wipe_During_Factory_Reset = false;
3400 Can_Be_Backed_Up = false;
3401 Can_Encrypt_Backup = false;
3402 Use_Userdata_Encryption = false;
3403 Is_SubPartition = false;
3404 SubPartition_Of = "";
3405 Has_Data_Media = false;
3406 Storage_Path = Mount_Point;
3407 if (!Symlink_Mount_Point.empty()) {
3408 TWPartition* Dat = PartitionManager.Find_Partition_By_Path("/data");
3409 if (Dat) {
3410 Dat->UnMount(false);
3411 Dat->Symlink_Mount_Point = Symlink_Mount_Point;
3412 }
3413 Symlink_Mount_Point = "";
3414 }
3415 }
3416#else
3417 LOGINFO("Revert_Adopted: no crypto support\n");
3418#endif
3419}
bigbiff bigbiffb5ecaad2017-03-20 18:53:53 -04003420
3421void TWPartition::Set_Backup_FileName(string fname) {
3422 Backup_FileName = fname;
3423}
3424
3425string TWPartition::Get_Backup_Name() {
3426 return Backup_Name;
3427}
bigbiffee7b7ff2020-03-23 15:08:27 -04003428
3429string TWPartition::Get_Mount_Point() {
3430 return Mount_Point;
3431}
3432
3433void TWPartition::Set_Block_Device(std::string block_device) {
3434 Primary_Block_Device = Actual_Block_Device = block_device;
3435}
3436
3437bool TWPartition::Get_Super_Status() {
3438 return Is_Super;
3439}
3440
3441void TWPartition::Set_Can_Be_Backed_Up(bool val) {
3442 Can_Be_Backed_Up = val;
3443}
3444
3445void TWPartition::Set_Can_Be_Wiped(bool val) {
3446 Can_Be_Wiped = val;
3447 Wipe_Available_in_GUI = val;
bigbiffad58e1b2020-07-06 20:24:34 -04003448}
3449
3450std::string TWPartition::Get_Backup_FileName() {
3451 return Backup_FileName;
3452}
3453
3454std::string TWPartition::Get_Display_Name() {
3455 return Display_Name;
3456}
3457
3458bool TWPartition::Is_SlotSelect() {
3459 return SlotSelect;
Mohd Faraz815e2402020-09-19 19:31:52 +05303460}