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Dees Troy3be70a82013-10-22 14:25:12 +00001/*
bigbiffaed1bdf2021-08-03 18:21:39 -04002 Copyright 2013 to 2021 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>
bigbiffcfa875c2021-06-20 16:20:27 -040035#include <android-base/properties.h>
Darth98c5088d2022-08-09 12:54:40 +010036#include <android-base/strings.h>
bigbiffcfa875c2021-06-20 16:20:27 -040037#include <libsnapshot/snapshot.h>
Dees_Troy51a0e822012-09-05 15:24:24 -040038
Ethan Yonker007de982018-08-31 14:23:16 -050039#include "cutils/properties.h"
bigbiff7b4c7a62015-01-01 19:44:14 -050040#include "libblkid/include/blkid.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040041#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000042#include "twcommon.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040043#include "partitions.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040044#include "data.hpp"
Dees_Troy43d8b002012-09-17 16:00:01 -040045#include "twrp-functions.hpp"
bigbiff bigbiff9c754052013-01-09 09:09:08 -050046#include "twrpTar.hpp"
Ethan Yonker3fdcda42016-11-30 12:29:37 -060047#include "exclude.hpp"
Ethan Yonker1b7a31b2014-07-03 15:09:22 -050048#include "infomanager.hpp"
Ethan Yonker4b94cfd2014-12-11 10:00:45 -060049#include "set_metadata.h"
Ethan Yonker74db1572015-10-28 12:44:49 -050050#include "gui/gui.hpp"
bigbiffce8f83c2015-12-12 18:30:21 -050051#include "adbbu/libtwadbbu.hpp"
Ethan Yonker98661c12018-10-17 08:39:28 -050052#ifdef TW_INCLUDE_CRYPTO
53 #include "crypto/fde/cryptfs.h"
bigbiffa957f072021-03-07 18:20:29 -050054 #include "Decrypt.h"
Ethan Yonker98661c12018-10-17 08:39:28 -050055#else
56 #define CRYPT_FOOTER_OFFSET 0x4000
57#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040058extern "C" {
Dees_Troy38bd7602012-09-14 13:33:53 -040059 #include "mtdutils/mtdutils.h"
60 #include "mtdutils/mounts.h"
Dees_Troya95f55c2013-08-17 13:14:43 +000061#ifdef USE_EXT4
Ethan Yonker8373cfe2017-09-08 06:50:54 -050062 // #include "make_ext4fs.h" TODO need ifdef for android8
63 #include <ext4_utils/make_ext4fs.h>
Dees_Troya95f55c2013-08-17 13:14:43 +000064#endif
Ethan Yonker71413f42014-02-26 13:36:08 -060065#ifdef TW_INCLUDE_CRYPTO
Ethan Yonker66a19492015-12-10 10:19:45 -060066 #include "gpt/gpt.h"
Ethan Yonker71413f42014-02-26 13:36:08 -060067#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040068}
Matt Mower87413642017-01-17 21:14:46 -060069#include <selinux/selinux.h>
Ethan Yonkerf27497f2014-02-09 11:48:33 -060070#include <selinux/label.h>
Dees Troy4159aed2014-02-28 17:24:43 +000071#ifdef HAVE_CAPABILITIES
72#include <sys/capability.h>
73#include <sys/xattr.h>
74#include <linux/xattr.h>
75#endif
HashBanged974bb2016-01-30 14:20:09 -050076#include <sparse_format.h>
Ethan Yonker472f5062016-02-25 13:47:30 -060077#include "progresstracking.hpp"
Dees_Troy51a0e822012-09-05 15:24:24 -040078
bigbiff bigbiff9c754052013-01-09 09:09:08 -050079using namespace std;
80
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060081static 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
82
Dees_Troya95f55c2013-08-17 13:14:43 +000083extern struct selabel_handle *selinux_handle;
Ethan Yonker6277c792014-09-15 14:54:30 -050084extern bool datamedia;
Dees_Troya95f55c2013-08-17 13:14:43 +000085
Hashcode62bd9e02013-11-19 21:59:42 -080086struct flag_list {
87 const char *name;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060088 unsigned long flag;
Hashcode62bd9e02013-11-19 21:59:42 -080089};
90
Matt Mower4ab42b12016-04-21 13:52:18 -050091const struct flag_list mount_flags[] = {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -060092 { "noatime", MS_NOATIME },
93 { "noexec", MS_NOEXEC },
94 { "nosuid", MS_NOSUID },
95 { "nodev", MS_NODEV },
96 { "nodiratime", MS_NODIRATIME },
97 { "ro", MS_RDONLY },
98 { "rw", 0 },
99 { "remount", MS_REMOUNT },
100 { "bind", MS_BIND },
101 { "rec", MS_REC },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000102#ifdef MS_UNBINDABLE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600103 { "unbindable", MS_UNBINDABLE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000104#endif
105#ifdef MS_PRIVATE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600106 { "private", MS_PRIVATE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000107#endif
108#ifdef MS_SLAVE
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600109 { "slave", MS_SLAVE },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000110#endif
111#ifdef MS_SHARED
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600112 { "shared", MS_SHARED },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000113#endif
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600114 { "sync", MS_SYNCHRONOUS },
115 { 0, 0 },
116};
117
118const char *ignored_mount_items[] = {
119 "defaults=",
120 "errors=",
Ethan Yonker93382822018-11-01 15:25:31 -0500121 "latemount",
122 "sysfs_path=",
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600123 NULL
Hashcode62bd9e02013-11-19 21:59:42 -0800124};
125
Matt Mower2416a502016-04-12 19:54:46 -0500126enum TW_FSTAB_FLAGS {
127 TWFLAG_DEFAULTS, // Retain position
128 TWFLAG_ANDSEC,
129 TWFLAG_BACKUP,
130 TWFLAG_BACKUPNAME,
131 TWFLAG_BLOCKSIZE,
132 TWFLAG_CANBEWIPED,
133 TWFLAG_CANENCRYPTBACKUP,
134 TWFLAG_DISPLAY,
135 TWFLAG_ENCRYPTABLE,
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500136 TWFLAG_FILEENCRYPTION,
Captain Throwback32bcdcd2022-02-08 12:45:01 -0500137 TWFLAG_METADATA_ENCRYPTION,
Matt Mower2416a502016-04-12 19:54:46 -0500138 TWFLAG_FLASHIMG,
139 TWFLAG_FORCEENCRYPT,
140 TWFLAG_FSFLAGS,
141 TWFLAG_IGNOREBLKID,
142 TWFLAG_LENGTH,
143 TWFLAG_MOUNTTODECRYPT,
Captain Throwbacke848afc2022-02-08 15:31:44 -0500144 TWFLAG_QUOTA,
Matt Mower2416a502016-04-12 19:54:46 -0500145 TWFLAG_REMOVABLE,
Matt Mower2416a502016-04-12 19:54:46 -0500146 TWFLAG_SETTINGSSTORAGE,
147 TWFLAG_STORAGE,
148 TWFLAG_STORAGENAME,
149 TWFLAG_SUBPARTITIONOF,
150 TWFLAG_SYMLINK,
151 TWFLAG_USERDATAENCRYPTBACKUP,
152 TWFLAG_USERMRF,
153 TWFLAG_WIPEDURINGFACTORYRESET,
154 TWFLAG_WIPEINGUI,
Ethan Yonker1b190162016-12-05 15:25:19 -0600155 TWFLAG_SLOTSELECT,
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600156 TWFLAG_WAIT,
157 TWFLAG_VERIFY,
158 TWFLAG_CHECK,
159 TWFLAG_ALTDEVICE,
160 TWFLAG_NOTRIM,
161 TWFLAG_VOLDMANAGED,
162 TWFLAG_FORMATTABLE,
163 TWFLAG_RESIZE,
Ethan Yonker93382822018-11-01 15:25:31 -0500164 TWFLAG_KEYDIRECTORY,
Peter Cai28ea7b02019-05-24 11:38:54 +0800165 TWFLAG_WRAPPEDKEY,
Peter Cai439d60c2019-10-17 08:49:10 +0800166 TWFLAG_ADOPTED_MOUNT_DELAY,
Peter Caid68e6412019-11-02 19:22:38 +0800167 TWFLAG_DM_USE_ORIGINAL_PATH,
bigbiff998f8392021-08-06 19:19:33 -0400168 TWFLAG_LOGICAL,
Matt Mower2416a502016-04-12 19:54:46 -0500169};
170
171/* Flags without a trailing '=' are considered dual format flags and can be
172 * written as either 'flagname' or 'flagname=', where the character following
173 * the '=' is Y,y,1 for true and false otherwise.
174 */
175const struct flag_list tw_flags[] = {
176 { "andsec", TWFLAG_ANDSEC },
177 { "backup", TWFLAG_BACKUP },
178 { "backupname=", TWFLAG_BACKUPNAME },
179 { "blocksize=", TWFLAG_BLOCKSIZE },
180 { "canbewiped", TWFLAG_CANBEWIPED },
181 { "canencryptbackup", TWFLAG_CANENCRYPTBACKUP },
182 { "defaults", TWFLAG_DEFAULTS },
183 { "display=", TWFLAG_DISPLAY },
184 { "encryptable=", TWFLAG_ENCRYPTABLE },
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500185 { "fileencryption=", TWFLAG_FILEENCRYPTION },
Captain Throwback32bcdcd2022-02-08 12:45:01 -0500186 { "metadata_encryption=", TWFLAG_METADATA_ENCRYPTION },
Matt Mower2416a502016-04-12 19:54:46 -0500187 { "flashimg", TWFLAG_FLASHIMG },
188 { "forceencrypt=", TWFLAG_FORCEENCRYPT },
189 { "fsflags=", TWFLAG_FSFLAGS },
190 { "ignoreblkid", TWFLAG_IGNOREBLKID },
191 { "length=", TWFLAG_LENGTH },
192 { "mounttodecrypt", TWFLAG_MOUNTTODECRYPT },
Captain Throwbacke848afc2022-02-08 15:31:44 -0500193 { "quota", TWFLAG_QUOTA },
Matt Mower2416a502016-04-12 19:54:46 -0500194 { "removable", TWFLAG_REMOVABLE },
Matt Mower2416a502016-04-12 19:54:46 -0500195 { "settingsstorage", TWFLAG_SETTINGSSTORAGE },
196 { "storage", TWFLAG_STORAGE },
197 { "storagename=", TWFLAG_STORAGENAME },
198 { "subpartitionof=", TWFLAG_SUBPARTITIONOF },
199 { "symlink=", TWFLAG_SYMLINK },
200 { "userdataencryptbackup", TWFLAG_USERDATAENCRYPTBACKUP },
201 { "usermrf", TWFLAG_USERMRF },
202 { "wipeduringfactoryreset", TWFLAG_WIPEDURINGFACTORYRESET },
203 { "wipeingui", TWFLAG_WIPEINGUI },
Ethan Yonker1b190162016-12-05 15:25:19 -0600204 { "slotselect", TWFLAG_SLOTSELECT },
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600205 { "wait", TWFLAG_WAIT },
206 { "verify", TWFLAG_VERIFY },
207 { "check", TWFLAG_CHECK },
208 { "altdevice", TWFLAG_ALTDEVICE },
209 { "notrim", TWFLAG_NOTRIM },
210 { "voldmanaged=", TWFLAG_VOLDMANAGED },
211 { "formattable", TWFLAG_FORMATTABLE },
212 { "resize", TWFLAG_RESIZE },
Ethan Yonker93382822018-11-01 15:25:31 -0500213 { "keydirectory=", TWFLAG_KEYDIRECTORY },
Peter Cai28ea7b02019-05-24 11:38:54 +0800214 { "wrappedkey", TWFLAG_WRAPPEDKEY },
Peter Cai439d60c2019-10-17 08:49:10 +0800215 { "adopted_mount_delay=", TWFLAG_ADOPTED_MOUNT_DELAY },
Peter Caid68e6412019-11-02 19:22:38 +0800216 { "dm_use_original_path", TWFLAG_DM_USE_ORIGINAL_PATH },
bigbiff998f8392021-08-06 19:19:33 -0400217 { "logical", TWFLAG_LOGICAL },
Matt Mower2416a502016-04-12 19:54:46 -0500218 { 0, 0 },
219};
220
that9e0593e2014-10-08 00:01:24 +0200221TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400222 Can_Be_Mounted = false;
223 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500224 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200225 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400226 Wipe_During_Factory_Reset = false;
227 Wipe_Available_in_GUI = false;
228 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400229 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400230 SubPartition_Of = "";
231 Symlink_Path = "";
232 Symlink_Mount_Point = "";
233 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400234 Backup_Path = "";
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600235 Wildcard_Block_Device = false;
236 Sysfs_Entry = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400237 Actual_Block_Device = "";
238 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400239 Alternate_Block_Device = "";
240 Removable = false;
241 Is_Present = false;
242 Length = 0;
243 Size = 0;
244 Used = 0;
245 Free = 0;
246 Backup_Size = 0;
247 Can_Be_Encrypted = false;
248 Is_Encrypted = false;
249 Is_Decrypted = false;
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600250 Is_FBE = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600251 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400252 Decrypted_Block_Device = "";
253 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500254 Backup_Display_Name = "";
255 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400256 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400257 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400258 MTD_Name = "";
bigbiffce8f83c2015-12-12 18:30:21 -0500259 Backup_Method = BM_NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000260 Can_Encrypt_Backup = false;
261 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400262 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400263 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400264 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500265 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400266 Storage_Path = "";
267 Current_File_System = "";
268 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800269 Mount_Flags = 0;
270 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400271 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000272 Ignore_Blkid = false;
dianlujitao4879b372018-12-03 18:45:47 +0800273 Crypto_Key_Location = "";
Ethan Yonker726a0202014-12-16 20:01:38 -0600274 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600275 Can_Flash_Img = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500276 Mount_Read_Only = false;
Ethan Yonker66a19492015-12-10 10:19:45 -0600277 Is_Adopted_Storage = false;
278 Adopted_GUID = "";
Ethan Yonker1b190162016-12-05 15:25:19 -0600279 SlotSelect = false;
Ethan Yonker93382822018-11-01 15:25:31 -0500280 Key_Directory = "";
bigbiffee7b7ff2020-03-23 15:08:27 -0400281 Is_Super = false;
Peter Cai439d60c2019-10-17 08:49:10 +0800282 Adopted_Mount_Delay = 0;
Peter Caid68e6412019-11-02 19:22:38 +0800283 Original_Path = "";
284 Use_Original_Path = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400285}
286
287TWPartition::~TWPartition(void) {
288 // Do nothing
289}
290
bigbiff8da46fa2020-09-08 16:42:34 -0400291bool 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 -0500292 char full_line[MAX_FSTAB_LINE_LENGTH];
Matt Mower2416a502016-04-12 19:54:46 -0500293 char twflags[MAX_FSTAB_LINE_LENGTH] = "";
Dees_Troy5bf43922012-09-07 16:07:55 -0400294 char* ptr;
Matt Mower2b2dd152016-04-26 11:24:08 -0500295 int line_len = strlen(fstab_line), index = 0, item_index = 0;
Dees_Troya13d74f2013-03-24 08:54:55 -0500296 bool skip = false;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600297 int fstab_version = 1, mount_point_index = 0, fs_index = 1, block_device_index = 2;
298 TWPartition *additional_entry = NULL;
299 std::map<string, Flags_Map>::iterator it;
Dees_Troy5bf43922012-09-07 16:07:55 -0400300
Matt Mower2b2dd152016-04-26 11:24:08 -0500301 strlcpy(full_line, fstab_line, sizeof(full_line));
bigbiffee7b7ff2020-03-23 15:08:27 -0400302
Dees_Troy51127312012-09-08 13:08:49 -0400303 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500304 if (full_line[index] == 34)
305 skip = !skip;
306 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400307 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400308 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600309 if (line_len < 10)
310 return false; // There can't possibly be a valid fstab line that is less than 10 chars
bigbiff998f8392021-08-06 19:19:33 -0400311 if (fstab_line[0] == '#')
312 return false; // skip comments
313
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600314 if (strncmp(fstab_line, "/dev/", strlen("/dev/")) == 0 || strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
315 fstab_version = 2;
316 block_device_index = 0;
317 mount_point_index = 1;
318 fs_index = 2;
319 }
320
bigbiff998f8392021-08-06 19:19:33 -0400321 if (fstab_line[0] != '/') {
bigbiffee7b7ff2020-03-23 15:08:27 -0400322 block_device_index = 0;
323 fstab_version = 2;
324 mount_point_index = 1;
325 fs_index = 2;
326 }
327
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600328 index = 0;
Dees_Troy5bf43922012-09-07 16:07:55 -0400329 while (index < line_len) {
330 while (index < line_len && full_line[index] == '\0')
331 index++;
332 if (index >= line_len)
333 continue;
334 ptr = full_line + index;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600335 if (item_index == mount_point_index) {
336 Mount_Point = ptr;
bigbiffee7b7ff2020-03-23 15:08:27 -0400337 if (fstab_version == 2 && Is_Super == false) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600338 additional_entry = PartitionManager.Find_Partition_By_Path(Mount_Point);
bigbiff8da46fa2020-09-08 16:42:34 -0400339 if (additional_entry) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600340 LOGINFO("Found an additional entry for '%s'\n", Mount_Point.c_str());
341 }
342 }
bigbiff8da46fa2020-09-08 16:42:34 -0400343 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600344 Backup_Path = Mount_Point;
345 Storage_Path = Mount_Point;
346 Display_Name = ptr + 1;
347 Backup_Display_Name = Display_Name;
348 Storage_Name = Display_Name;
349 item_index++;
350 } else if (item_index == fs_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400351 // File System
352 Fstab_File_System = ptr;
353 Current_File_System = ptr;
354 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600355 } else if (item_index == block_device_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400356 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400357 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400358 MTD_Name = ptr;
359 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400360 } else if (Fstab_File_System == "bml") {
361 if (Mount_Point == "/boot")
362 MTD_Name = "boot";
363 else if (Mount_Point == "/recovery")
364 MTD_Name = "recovery";
365 Primary_Block_Device = ptr;
366 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000367 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 -0400368 } else {
369 Primary_Block_Device = ptr;
bigbiff998f8392021-08-06 19:19:33 -0400370 if (*ptr == '/')
371 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400372 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400373 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600374 } else if (item_index > 2) {
375 if (fstab_version == 2) {
376 if (item_index == 3) {
377 Process_FS_Flags(ptr);
378 if (additional_entry) {
379 additional_entry->Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
380 return false; // We save the extra fs flags in the other partition entry and by returning false, this entry will be deleted
381 }
382 } else {
383 strlcpy(twflags, ptr, sizeof(twflags));
384 }
385 item_index++;
386 } else if (*ptr == '/') { // v2 fstab does not allow alternate block devices
Dees_Troy5bf43922012-09-07 16:07:55 -0400387 // Alternate Block Device
388 Alternate_Block_Device = ptr;
389 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
390 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
391 // Partition length
392 ptr += 7;
393 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400394 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
395 // Custom flags, save for later so that new values aren't overwritten by defaults
396 ptr += 6;
Matt Mower2416a502016-04-12 19:54:46 -0500397 strlcpy(twflags, ptr, sizeof(twflags));
Dees_Troy38bd7602012-09-14 13:33:53 -0400398 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
399 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400400 } else {
401 // Unhandled data
Matt Mower2b2dd152016-04-26 11:24:08 -0500402 LOGINFO("Unhandled fstab information '%s' in fstab line '%s'\n", ptr, fstab_line);
Dees_Troy5bf43922012-09-07 16:07:55 -0400403 }
404 }
405 while (index < line_len && full_line[index] != '\0')
406 index++;
407 }
408
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600409 // override block devices from the v2 fstab with the ones we read from the twrp.flags file in case they are different
410 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
411 it = twrp_flags->find(Mount_Point);
412 if (it != twrp_flags->end()) {
413 if (!it->second.Primary_Block_Device.empty()) {
414 Primary_Block_Device = it->second.Primary_Block_Device;
415 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
416 }
417 if (!it->second.Alternate_Block_Device.empty()) {
418 Alternate_Block_Device = it->second.Alternate_Block_Device;
419 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
420 }
421 }
422 }
423
424 if (strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
425 Sysfs_Entry = Primary_Block_Device;
426 Primary_Block_Device = "";
427 Is_Storage = true;
428 Removable = true;
429 Wipe_Available_in_GUI = true;
430 Wildcard_Block_Device = true;
431 }
432 if (Primary_Block_Device.find("*") != string::npos)
433 Wildcard_Block_Device = true;
434
bigbiff8da46fa2020-09-08 16:42:34 -0400435 if (Mount_Point == "auto") {
436 Mount_Point = "/auto";
437 char autoi[5];
438 sprintf(autoi, "%i", auto_index);
439 Mount_Point += autoi;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600440 Backup_Path = Mount_Point;
441 Storage_Path = Mount_Point;
dianlujitaob76a73a2020-04-30 20:33:20 +0800442 Backup_Name = Mount_Point.substr(1);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600443 auto_index++;
444 Setup_File_System(Display_Error);
445 Display_Name = "Storage";
446 Backup_Display_Name = Display_Name;
447 Storage_Name = Display_Name;
448 Can_Be_Backed_Up = false;
449 Wipe_Available_in_GUI = true;
450 Is_Storage = true;
451 Removable = true;
452 Wipe_Available_in_GUI = true;
453 } else if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400454 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000455 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400456 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000457 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500458 return false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400459 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400460 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400461 Setup_File_System(Display_Error);
dianlujitaob76a73a2020-04-30 20:33:20 +0800462 Backup_Name = Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
Chaosmaster3b682732020-01-25 21:09:28 +0100463 if (Mount_Point == "/" || Mount_Point == "/system" || Mount_Point == "/system_root") {
bigbiff8da46fa2020-09-08 16:42:34 -0400464 Mount_Point = PartitionManager.Get_Android_Root_Path();
465 Backup_Path = Mount_Point;
466 Storage_Path = Mount_Point;
Dees_Troy5bf43922012-09-07 16:07:55 -0400467 Display_Name = "System";
dianlujitaob76a73a2020-04-30 20:33:20 +0800468 Backup_Name = "system";
Dees_Troya13d74f2013-03-24 08:54:55 -0500469 Backup_Display_Name = Display_Name;
470 Storage_Name = Display_Name;
bigbiff8da46fa2020-09-08 16:42:34 -0400471 Wipe_Available_in_GUI = false;
472 Can_Be_Backed_Up = false;
473 Can_Be_Wiped = false;
bigbiff8da46fa2020-09-08 16:42:34 -0400474 Make_Dir(PartitionManager.Get_Android_Root_Path(), true);
me-cafebabea021ac22022-07-29 06:34:45 +0800475 } else if (Mount_Point == "/system_ext") {
476 Display_Name = "System_EXT";
477 Backup_Name = "System_EXT";
478 Backup_Display_Name = Display_Name;
479 Storage_Name = Display_Name;
480 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
Mohd Faraze3948ec2020-08-14 01:40:59 +0000481 } else if (Mount_Point == "/product") {
482 Display_Name = "Product";
483 Backup_Name = "Product";
484 Backup_Display_Name = Display_Name;
485 Storage_Name = Display_Name;
486 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
Mohd Faraze3948ec2020-08-14 01:40:59 +0000487 } else if (Mount_Point == "/odm") {
488 Display_Name = "ODM";
489 Backup_Name = "ODM";
490 Backup_Display_Name = Display_Name;
491 Storage_Name = Display_Name;
492 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400493 } else if (Mount_Point == "/data") {
494 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500495 Backup_Display_Name = Display_Name;
496 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400497 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400498 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500499 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000500 Can_Encrypt_Backup = true;
501 Use_Userdata_Encryption = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400502 } else if (Mount_Point == "/cache") {
503 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500504 Backup_Display_Name = Display_Name;
505 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400506 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400507 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500508 Can_Be_Backed_Up = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400509 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400510 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400511 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500512 Backup_Display_Name = Display_Name;
513 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400514 Is_SubPartition = true;
515 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400516 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500517 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000518 Can_Encrypt_Backup = true;
519 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400520 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400521 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400522 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500523 Backup_Display_Name = Display_Name;
524 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400525 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400526 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500527 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000528 Can_Encrypt_Backup = true;
529 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400530 } else if (Mount_Point == "/boot") {
531 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500532 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400533 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500534 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500535 } else if (Mount_Point == "/vendor") {
536 Display_Name = "Vendor";
537 Backup_Display_Name = Display_Name;
538 Storage_Name = Display_Name;
Dees_Troy8170a922012-09-18 15:40:25 -0400539 }
540#ifdef TW_EXTERNAL_STORAGE_PATH
541 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
542 Is_Storage = true;
543 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400544 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500545 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400546#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000547 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400548 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400549 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500550 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400551#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000552 }
Dees_Troy8170a922012-09-18 15:40:25 -0400553#ifdef TW_INTERNAL_STORAGE_PATH
554 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
555 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500556 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400557 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500558 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400559 }
560#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000561 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400562 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500563 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500564 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400565 }
566#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400567 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400568 Find_Actual_Block_Device();
Ethan Yonker1b190162016-12-05 15:25:19 -0600569 Setup_Image();
Dees_Troya13d74f2013-03-24 08:54:55 -0500570 if (Mount_Point == "/boot") {
571 Display_Name = "Boot";
572 Backup_Display_Name = Display_Name;
573 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600574 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500575 } else if (Mount_Point == "/recovery") {
576 Display_Name = "Recovery";
577 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600578 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500579 } else if (Mount_Point == "/system_image") {
580 Display_Name = "System Image";
581 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500582 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500583 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500584 } else if (Mount_Point == "/vendor_image") {
585 Display_Name = "Vendor Image";
586 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500587 Can_Flash_Img = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500588 Can_Be_Backed_Up = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500589 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400590 }
591
Matt Mower2416a502016-04-12 19:54:46 -0500592 // Process TWRP fstab flags
593 if (strlen(twflags) > 0) {
594 string Prev_Display_Name = Display_Name;
595 string Prev_Storage_Name = Storage_Name;
596 string Prev_Backup_Display_Name = Backup_Display_Name;
597 Display_Name = "";
598 Storage_Name = "";
599 Backup_Display_Name = "";
600
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600601 Process_TW_Flags(twflags, (fstab_version == 1), fstab_version);
602 Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
Matt Mower2416a502016-04-12 19:54:46 -0500603
604 bool has_display_name = !Display_Name.empty();
605 bool has_storage_name = !Storage_Name.empty();
606 bool has_backup_name = !Backup_Display_Name.empty();
607 if (!has_display_name) Display_Name = Prev_Display_Name;
608 if (!has_storage_name) Storage_Name = Prev_Storage_Name;
609 if (!has_backup_name) Backup_Display_Name = Prev_Backup_Display_Name;
610
611 if (has_display_name && !has_storage_name)
612 Storage_Name = Display_Name;
613 if (!has_display_name && has_storage_name)
614 Display_Name = Storage_Name;
615 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
616 Backup_Display_Name = Display_Name;
617 if (!has_display_name && has_backup_name)
618 Display_Name = Backup_Display_Name;
619 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600620
621 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
622 it = twrp_flags->find(Mount_Point);
623 if (it != twrp_flags->end()) {
624 char twrpflags[MAX_FSTAB_LINE_LENGTH] = "";
625 int skip = 0;
626 string Flags = it->second.Flags;
627 strcpy(twrpflags, Flags.c_str());
628 if (strlen(twrpflags) > strlen("flags=") && strncmp(twrpflags, "flags=", strlen("flags=")) == 0)
629 skip += strlen("flags=");
630 char* flagptr = twrpflags;
631 flagptr += skip;
632 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
633 }
634 }
nkk7198fc3992017-12-16 16:26:42 +0200635
636 if (Mount_Point == "/persist" && Can_Be_Mounted) {
637 bool mounted = Is_Mounted();
638 if (mounted || Mount(false)) {
nkk7198fc3992017-12-16 16:26:42 +0200639 TWFunc::Fixup_Time_On_Boot("/persist/time/");
640 if (!mounted)
641 UnMount(false);
642 }
643 }
644
Dees_Troy51127312012-09-08 13:08:49 -0400645 return true;
646}
647
Matt Mower72c87ce2016-04-26 14:34:56 -0500648void TWPartition::Partition_Post_Processing(bool Display_Error) {
649 if (Mount_Point == "/data")
650 Setup_Data_Partition(Display_Error);
651 else if (Mount_Point == "/cache")
652 Setup_Cache_Partition(Display_Error);
653}
654
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600655void TWPartition::ExcludeAll(const string& path) {
656 backup_exclusions.add_absolute_dir(path);
657 wipe_exclusions.add_absolute_dir(path);
658}
659
Matt Mower72c87ce2016-04-26 14:34:56 -0500660void TWPartition::Setup_Data_Partition(bool Display_Error) {
661 if (Mount_Point != "/data")
662 return;
663
664 // Ensure /data is not mounted as tmpfs for qcom hardware decrypt
665 UnMount(false);
666
667#ifdef TW_INCLUDE_CRYPTO
Matt Mower72c87ce2016-04-26 14:34:56 -0500668 Can_Be_Encrypted = true;
669 char crypto_blkdev[255];
670 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
671 if (strcmp(crypto_blkdev, "error") != 0) {
bigbiff7ba75002020-04-11 20:47:09 -0400672 Set_FBE_Status();
Matt Mower72c87ce2016-04-26 14:34:56 -0500673 Decrypted_Block_Device = crypto_blkdev;
674 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
bigbiffcda15882021-12-30 17:01:44 -0500675 if (datamedia)
676 Setup_Data_Media();
bigbiff7ba75002020-04-11 20:47:09 -0400677 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Matt Mower72c87ce2016-04-26 14:34:56 -0500678 } else if (!Mount(false)) {
679 if (Is_Present) {
Ethan Yonker93382822018-11-01 15:25:31 -0500680 if (Key_Directory.empty()) {
Peter Caid68e6412019-11-02 19:22:38 +0800681 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 -0400682 Fstab_File_System.c_str());
Ethan Yonker93382822018-11-01 15:25:31 -0500683 if (cryptfs_check_footer() == 0) {
684 Is_Encrypted = true;
685 Is_Decrypted = false;
686 Can_Be_Mounted = false;
687 Current_File_System = "emmc";
688 Setup_Image();
Ethan Yonker93382822018-11-01 15:25:31 -0500689 DataManager::SetValue(TW_CRYPTO_PWTYPE, cryptfs_get_password_type());
Noah Jacobson81d638d2019-04-28 00:10:07 -0400690 DataManager::SetValue("tw_crypto_pwtype_0", cryptfs_get_password_type());
Ethan Yonker93382822018-11-01 15:25:31 -0500691 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
692 DataManager::SetValue("tw_crypto_display", "");
bigbiffcda15882021-12-30 17:01:44 -0500693 if (datamedia)
694 Setup_Data_Media();
Ethan Yonker93382822018-11-01 15:25:31 -0500695 } else {
696 gui_err("mount_data_footer=Could not mount /data and unable to find crypto footer.");
697 }
698 } else {
Matt Mower72c87ce2016-04-26 14:34:56 -0500699 Is_Encrypted = true;
700 Is_Decrypted = false;
bigbiffbee26852022-02-09 20:49:00 -0500701 if (datamedia)
702 Setup_Data_Media();
Matt Mower72c87ce2016-04-26 14:34:56 -0500703 }
Ethan Yonker93382822018-11-01 15:25:31 -0500704 } else if (Key_Directory.empty()) {
Noah Jacobson81d638d2019-04-28 00:10:07 -0400705 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n",
706 Primary_Block_Device.c_str(), Mount_Point.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500707 }
708 } else {
bigbiff7ba75002020-04-11 20:47:09 -0400709 Set_FBE_Status();
Captain Throwbackacc7f0f2020-12-29 15:54:33 -0500710 int is_device_fbe;
711 DataManager::GetValue(TW_IS_FBE, is_device_fbe);
Captain Throwback8a8e56c2021-10-01 15:12:24 -0400712 char crypto_state[255];
713 property_get("ro.crypto.state", crypto_state, "error");
714 if (!Decrypt_FBE_DE() && strcmp(crypto_state, "error") != 0) {
715 if (is_device_fbe == 1)
716 LOGERR("Unable to decrypt FBE device\n");
717 } else {
718 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
bigbiffcda15882021-12-30 17:01:44 -0500719 if (datamedia)
720 Setup_Data_Media();
721
mauronofrio9bf73352019-11-23 22:27:34 +0100722 }
Matt Mower72c87ce2016-04-26 14:34:56 -0500723 }
724 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted))) {
725 Setup_Data_Media();
bigbiff25d25b92020-06-19 16:07:38 -0400726 Recreate_Media_Folder();
Matt Mower72c87ce2016-04-26 14:34:56 -0500727 }
728#else
729 if (datamedia) {
730 Setup_Data_Media();
731 Recreate_Media_Folder();
732 }
733#endif
734}
735
bigbiff7ba75002020-04-11 20:47:09 -0400736void TWPartition::Set_FBE_Status() {
737 DataManager::SetValue(TW_IS_DECRYPTED, 1);
738 Is_Encrypted = true;
739 Is_Decrypted = true;
bigbiff7ba75002020-04-11 20:47:09 -0400740 if (Key_Directory.empty()) {
741 Is_FBE = false;
742 DataManager::SetValue(TW_IS_FBE, 0);
743 } else {
Captain Throwbackb5af4f82020-12-29 16:01:10 -0500744 LOGINFO("Setup_Data_Partition::Key_Directory::%s\n", Key_Directory.c_str());
bigbiff7ba75002020-04-11 20:47:09 -0400745 Is_FBE = true;
746 DataManager::SetValue(TW_IS_FBE, 1);
747 }
748}
749
Ethan Yonker93382822018-11-01 15:25:31 -0500750bool TWPartition::Decrypt_FBE_DE() {
bigbiff7ba75002020-04-11 20:47:09 -0400751 if (TWFunc::Path_Exists("/data/unencrypted/key/version")) {
Captain Throwback87d73d62020-02-17 16:44:50 -0500752 DataManager::SetValue(TW_IS_FBE, 1);
Captain Throwback37c3aef2021-10-06 11:38:18 -0400753 PartitionManager.Set_Crypto_State();
754 PartitionManager.Set_Crypto_Type("file");
Ethan Yonker93382822018-11-01 15:25:31 -0500755 LOGINFO("File Based Encryption is present\n");
756#ifdef TW_INCLUDE_FBE
Noah Jacobson81d638d2019-04-28 00:10:07 -0400757 Is_FBE = true;
758 ExcludeAll(Mount_Point + "/convert_fbe");
759 ExcludeAll(Mount_Point + "/unencrypted");
760 ExcludeAll(Mount_Point + "/misc/vold/user_keys");
761 ExcludeAll(Mount_Point + "/misc/vold/volume_keys");
762 ExcludeAll(Mount_Point + "/system/gatekeeper.password.key");
763 ExcludeAll(Mount_Point + "/system/gatekeeper.pattern.key");
764 ExcludeAll(Mount_Point + "/system/locksettings.db");
765 ExcludeAll(Mount_Point + "/system/locksettings.db-wal");
766 ExcludeAll(Mount_Point + "/misc/gatekeeper");
767 ExcludeAll(Mount_Point + "/misc/keystore");
768 ExcludeAll(Mount_Point + "/drm/kek.dat");
bigbiffa957f072021-03-07 18:20:29 -0500769 ExcludeAll(Mount_Point + "/system_de/0/spblob"); // contains data needed to decrypt synthetic password
micky3872ec1df42021-10-14 14:53:06 +0200770 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.password.key");
771 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.pattern.key");
Noah Jacobson81d638d2019-04-28 00:10:07 -0400772 ExcludeAll(Mount_Point + "/cache");
773 ExcludeAll(Mount_Point + "/per_boot"); // removed each boot by init
bigbiffa15d02f2021-06-29 20:04:54 -0400774 ExcludeAll(Mount_Point + "/gsi"); // cow devices
775
Noah Jacobson81d638d2019-04-28 00:10:07 -0400776 int retry_count = 3;
777 while (!Decrypt_DE() && --retry_count)
778 usleep(2000);
779 if (retry_count > 0) {
Captain Throwback37c3aef2021-10-06 11:38:18 -0400780 PartitionManager.Set_Crypto_State();
Noah Jacobson81d638d2019-04-28 00:10:07 -0400781 Is_Encrypted = true;
782 Is_Decrypted = false;
783 DataManager::SetValue(TW_IS_ENCRYPTED, 1);
784 string filename;
785 int pwd_type = Get_Password_Type(0, filename);
786 if (pwd_type < 0) {
787 LOGERR("This TWRP does not have synthetic password decrypt support\n");
788 pwd_type = 0; // default password
Ethan Yonker93382822018-11-01 15:25:31 -0500789 }
Noah Jacobson81d638d2019-04-28 00:10:07 -0400790 PartitionManager.Parse_Users(); // after load_all_de_keys() to parse_users
791 std::vector<users_struct>::iterator iter;
792 std::vector<users_struct>* userList = PartitionManager.Get_Users_List();
793 for (iter = userList->begin(); iter != userList->end(); iter++) {
794 if (atoi((*iter).userId.c_str()) != 0) {
795 ExcludeAll(Mount_Point + "/system_de/" + (*iter).userId + "/spblob");
796 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/gatekeeper.password.key");
797 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/gatekeeper.pattern.key");
798 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/locksettings.db");
799 ExcludeAll(Mount_Point + "/system/users/" + (*iter).userId + "/locksettings.db-wal");
800 }
801 }
802 DataManager::SetValue(TW_CRYPTO_PWTYPE, pwd_type);
803 DataManager::SetValue("tw_crypto_pwtype_0", pwd_type);
804 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
805 DataManager::SetValue("tw_crypto_display", "");
806 return true;
807 }
Ethan Yonker93382822018-11-01 15:25:31 -0500808#else
809 LOGERR("FBE found but FBE support not present in TWRP\n");
810#endif
811 }
Captain Throwback87d73d62020-02-17 16:44:50 -0500812 DataManager::SetValue(TW_IS_FBE, 0);
Ethan Yonker93382822018-11-01 15:25:31 -0500813 return false;
814}
815
Matt Mower72c87ce2016-04-26 14:34:56 -0500816void TWPartition::Setup_Cache_Partition(bool Display_Error __unused) {
817 if (Mount_Point != "/cache")
818 return;
819
820 if (!Mount(true))
821 return;
822
823 if (!TWFunc::Path_Exists("/cache/recovery/.")) {
824 LOGINFO("Recreating /cache/recovery folder\n");
825 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
826 LOGERR("Could not create /cache/recovery\n");
827 }
828}
829
Matt Mower4ab42b12016-04-21 13:52:18 -0500830void TWPartition::Process_FS_Flags(const char *str) {
831 char *options = strdup(str);
832 char *ptr, *savep;
Hashcode62bd9e02013-11-19 21:59:42 -0800833
Matt Mower4ab42b12016-04-21 13:52:18 -0500834 Mount_Options = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800835
Matt Mower4ab42b12016-04-21 13:52:18 -0500836 // Avoid issues with potentially nested strtok by using strtok_r
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600837 for (ptr = strtok_r(options, ",", &savep); ptr; ptr = strtok_r(NULL, ",", &savep)) {
838 char *equals = strstr(ptr, "=");
839 size_t name_len;
Matt Mower4ab42b12016-04-21 13:52:18 -0500840
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600841 if (!equals)
842 name_len = strlen(ptr);
843 else
844 name_len = equals - ptr;
845
846 // There are some flags that we want to ignore in TWRP
847 bool found_match = false;
848 for (const char** ignored_mount_item = ignored_mount_items; *ignored_mount_item; ignored_mount_item++) {
849 if (strncmp(ptr, *ignored_mount_item, name_len) == 0) {
850 found_match = true;
Hashcode62bd9e02013-11-19 21:59:42 -0800851 break;
852 }
853 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600854 if (found_match)
855 continue;
Hashcode62bd9e02013-11-19 21:59:42 -0800856
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600857 // mount_flags are never postfixed by '='
858 if (!equals) {
859 const struct flag_list* mount_flag = mount_flags;
860 for (; mount_flag->name; mount_flag++) {
861 if (strcmp(ptr, mount_flag->name) == 0) {
862 if (mount_flag->flag == MS_RDONLY)
863 Mount_Read_Only = true;
864 else
865 Mount_Flags |= (unsigned)mount_flag->flag;
866 found_match = true;
867 break;
868 }
869 }
870 if (found_match)
871 continue;
Matt Mower4ab42b12016-04-21 13:52:18 -0500872 }
873
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600874 // If we aren't ignoring this flag and it's not a mount flag, then it must be a mount option
875 if (!Mount_Options.empty())
876 Mount_Options += ",";
877 Mount_Options += ptr;
Matt Mower4ab42b12016-04-21 13:52:18 -0500878 }
879 free(options);
Hashcode62bd9e02013-11-19 21:59:42 -0800880}
881
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600882void TWPartition::Save_FS_Flags(const string& local_File_System, int local_Mount_Flags, const string& local_Mount_Options) {
883 partition_fs_flags_struct flags;
884 flags.File_System = local_File_System;
885 flags.Mount_Flags = local_Mount_Flags;
886 flags.Mount_Options = local_Mount_Options;
887 fs_flags.push_back(flags);
888}
889
Matt Mower2416a502016-04-12 19:54:46 -0500890void TWPartition::Apply_TW_Flag(const unsigned flag, const char* str, const bool val) {
891 switch (flag) {
892 case TWFLAG_ANDSEC:
893 Has_Android_Secure = val;
894 break;
895 case TWFLAG_BACKUP:
896 Can_Be_Backed_Up = val;
897 break;
898 case TWFLAG_BACKUPNAME:
899 Backup_Display_Name = str;
900 break;
901 case TWFLAG_BLOCKSIZE:
902 Format_Block_Size = (unsigned long)(atol(str));
903 break;
904 case TWFLAG_CANBEWIPED:
905 Can_Be_Wiped = val;
906 break;
907 case TWFLAG_CANENCRYPTBACKUP:
908 Can_Encrypt_Backup = val;
909 break;
910 case TWFLAG_DEFAULTS:
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600911 case TWFLAG_WAIT:
912 case TWFLAG_VERIFY:
913 case TWFLAG_CHECK:
914 case TWFLAG_NOTRIM:
915 case TWFLAG_VOLDMANAGED:
916 case TWFLAG_RESIZE:
Matt Mower2416a502016-04-12 19:54:46 -0500917 // Do nothing
918 break;
919 case TWFLAG_DISPLAY:
920 Display_Name = str;
921 break;
922 case TWFLAG_ENCRYPTABLE:
923 case TWFLAG_FORCEENCRYPT:
924 Crypto_Key_Location = str;
925 break;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500926 case TWFLAG_FILEENCRYPTION:
927 // This flag isn't used by TWRP but is needed in 9.0 FBE decrypt
928 // fileencryption=ice:aes-256-heh
929 {
930 std::string FBE = str;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500931 size_t colon_loc = FBE.find(":");
932 if (colon_loc == std::string::npos) {
Ethan Yonker93382822018-11-01 15:25:31 -0500933 property_set("fbe.contents", FBE.c_str());
934 property_set("fbe.filenames", "");
935 LOGINFO("FBE contents '%s', filenames ''\n", FBE.c_str());
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500936 break;
937 }
Ethan Yonker93382822018-11-01 15:25:31 -0500938 std::string FBE_contents, FBE_filenames;
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500939 FBE_contents = FBE.substr(0, colon_loc);
940 FBE_filenames = FBE.substr(colon_loc + 1);
941 property_set("fbe.contents", FBE_contents.c_str());
942 property_set("fbe.filenames", FBE_filenames.c_str());
943 LOGINFO("FBE contents '%s', filenames '%s'\n", FBE_contents.c_str(), FBE_filenames.c_str());
944 }
945 break;
Captain Throwback32bcdcd2022-02-08 12:45:01 -0500946 case TWFLAG_METADATA_ENCRYPTION:
947 // This flag isn't used by TWRP but is needed for FBEv2 metadata decryption
948 // metadata_encryption=aes-256-xts:wrappedkey_v0
949 {
950 std::string META = str;
951 size_t colon_loc = META.find(":");
952 if (colon_loc == std::string::npos) {
953 property_set("metadata.contents", META.c_str());
954 property_set("metadata.filenames", "");
955 LOGINFO("Metadata contents '%s', filenames ''\n", META.c_str());
956 break;
957 }
958 std::string META_contents, META_filenames;
959 META_contents = META.substr(0, colon_loc);
960 META_filenames = META.substr(colon_loc + 1);
961 property_set("metadata.contents", META_contents.c_str());
962 property_set("metadata.filenames", META_filenames.c_str());
963 LOGINFO("Metadata contents '%s', filenames '%s'\n", META_contents.c_str(), META_filenames.c_str());
964 }
965 break;
Peter Cai28ea7b02019-05-24 11:38:54 +0800966 case TWFLAG_WRAPPEDKEY:
bigbiff437d86f2021-09-26 16:57:14 -0400967 // no more processing needed. leaving it here in case we want to do something in the future
Peter Cai28ea7b02019-05-24 11:38:54 +0800968 break;
Matt Mower2416a502016-04-12 19:54:46 -0500969 case TWFLAG_FLASHIMG:
970 Can_Flash_Img = val;
971 break;
972 case TWFLAG_FSFLAGS:
Matt Mower4ab42b12016-04-21 13:52:18 -0500973 Process_FS_Flags(str);
Matt Mower2416a502016-04-12 19:54:46 -0500974 break;
975 case TWFLAG_IGNOREBLKID:
976 Ignore_Blkid = val;
977 break;
978 case TWFLAG_LENGTH:
979 Length = atoi(str);
980 break;
981 case TWFLAG_MOUNTTODECRYPT:
982 Mount_To_Decrypt = val;
983 break;
Captain Throwbacke848afc2022-02-08 15:31:44 -0500984 case TWFLAG_QUOTA:
985 // Filesystem flag - TWRP does not need to process
986 break;
Matt Mower2416a502016-04-12 19:54:46 -0500987 case TWFLAG_REMOVABLE:
988 Removable = val;
989 break;
Matt Mower2416a502016-04-12 19:54:46 -0500990 case TWFLAG_SETTINGSSTORAGE:
991 Is_Settings_Storage = val;
992 if (Is_Settings_Storage)
993 Is_Storage = true;
994 break;
995 case TWFLAG_STORAGE:
996 Is_Storage = val;
997 break;
998 case TWFLAG_STORAGENAME:
999 Storage_Name = str;
1000 break;
1001 case TWFLAG_SUBPARTITIONOF:
1002 Is_SubPartition = true;
1003 SubPartition_Of = str;
1004 break;
1005 case TWFLAG_SYMLINK:
1006 Symlink_Path = str;
1007 break;
1008 case TWFLAG_USERDATAENCRYPTBACKUP:
1009 Use_Userdata_Encryption = val;
1010 if (Use_Userdata_Encryption)
1011 Can_Encrypt_Backup = true;
1012 break;
1013 case TWFLAG_USERMRF:
1014 Use_Rm_Rf = val;
1015 break;
1016 case TWFLAG_WIPEDURINGFACTORYRESET:
1017 Wipe_During_Factory_Reset = val;
1018 if (Wipe_During_Factory_Reset) {
1019 Can_Be_Wiped = true;
1020 Wipe_Available_in_GUI = true;
1021 }
1022 break;
1023 case TWFLAG_WIPEINGUI:
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001024 case TWFLAG_FORMATTABLE:
Matt Mower2416a502016-04-12 19:54:46 -05001025 Wipe_Available_in_GUI = val;
1026 if (Wipe_Available_in_GUI)
1027 Can_Be_Wiped = true;
1028 break;
Ethan Yonker1b190162016-12-05 15:25:19 -06001029 case TWFLAG_SLOTSELECT:
1030 SlotSelect = true;
1031 break;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001032 case TWFLAG_ALTDEVICE:
1033 Alternate_Block_Device = str;
1034 break;
Peter Cai439d60c2019-10-17 08:49:10 +08001035 case TWFLAG_ADOPTED_MOUNT_DELAY:
1036 Adopted_Mount_Delay = atoi(str);
1037 break;
Ethan Yonker93382822018-11-01 15:25:31 -05001038 case TWFLAG_KEYDIRECTORY:
1039 Key_Directory = str;
bigbiffa957f072021-03-07 18:20:29 -05001040 LOGINFO("setting Key_Directory to: %s\n", Key_Directory.c_str());
bigbiffd58ba182020-03-23 10:02:29 -04001041 break;
Peter Caid68e6412019-11-02 19:22:38 +08001042 case TWFLAG_DM_USE_ORIGINAL_PATH:
1043 Use_Original_Path = true;
1044 break;
bigbiff998f8392021-08-06 19:19:33 -04001045 case TWFLAG_LOGICAL:
1046 Is_Super = true;
1047 break;
Matt Mower2416a502016-04-12 19:54:46 -05001048 default:
1049 // Should not get here
1050 LOGINFO("Flag identified for processing, but later unmatched: %i\n", flag);
1051 break;
1052 }
1053}
Dees_Troy51127312012-09-08 13:08:49 -04001054
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001055void TWPartition::Process_TW_Flags(char *flags, bool Display_Error, int fstab_ver) {
Matt Mower2416a502016-04-12 19:54:46 -05001056 char separator[2] = {'\n', 0};
1057 char *ptr, *savep;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001058 char source_separator = ';';
1059
1060 if (fstab_ver == 2)
1061 source_separator = ',';
Matt Mower2416a502016-04-12 19:54:46 -05001062
1063 // Semicolons within double-quotes are not forbidden, so replace
1064 // only the semicolons intended as separators with '\n' for strtok
1065 for (unsigned i = 0, skip = 0; i < strlen(flags); i++) {
1066 if (flags[i] == '\"')
Dees_Troya13d74f2013-03-24 08:54:55 -05001067 skip = !skip;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001068 if (!skip && flags[i] == source_separator)
Matt Mower2416a502016-04-12 19:54:46 -05001069 flags[i] = separator[0];
Dees_Troy51127312012-09-08 13:08:49 -04001070 }
1071
Matt Mower2416a502016-04-12 19:54:46 -05001072 // Avoid issues with potentially nested strtok by using strtok_r
1073 ptr = strtok_r(flags, separator, &savep);
1074 while (ptr) {
1075 int ptr_len = strlen(ptr);
1076 const struct flag_list* tw_flag = tw_flags;
Hashcode62bd9e02013-11-19 21:59:42 -08001077
Matt Mower2416a502016-04-12 19:54:46 -05001078 for (; tw_flag->name; tw_flag++) {
1079 int flag_len = strlen(tw_flag->name);
1080
1081 if (strncmp(ptr, tw_flag->name, flag_len) == 0) {
1082 bool flag_val = false;
1083
1084 if (ptr_len > flag_len && (tw_flag->name)[flag_len-1] != '='
1085 && ptr[flag_len] != '=') {
1086 // Handle flags with same starting string
1087 // (e.g. backup and backupname)
1088 continue;
1089 } else if (ptr_len > flag_len && ptr[flag_len] == '=') {
1090 // Handle flags with dual format: Part 1
1091 // (e.g. backup and backup=y. backup=y handled here)
1092 ptr += flag_len + 1;
1093 TWFunc::Strip_Quotes(ptr);
1094 // Skip flags with empty argument
1095 // (e.g. backup=)
1096 if (strlen(ptr) == 0) {
1097 LOGINFO("Flag missing argument or should not include '=': %s=\n", tw_flag->name);
1098 break;
1099 }
1100 flag_val = strchr("yY1", *ptr) != NULL;
1101 } else if (ptr_len == flag_len
1102 && (tw_flag->name)[flag_len-1] == '=') {
1103 // Skip flags missing argument after =
1104 // (e.g. backupname=)
1105 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1106 break;
1107 } else if (ptr_len > flag_len
1108 && (tw_flag->name)[flag_len-1] == '=') {
1109 // Handle arguments to flags
1110 // (e.g. backupname="My Stuff")
1111 ptr += flag_len;
1112 TWFunc::Strip_Quotes(ptr);
1113 // Skip flags with empty argument
1114 // (e.g. backupname="")
1115 if (strlen(ptr) == 0) {
1116 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1117 break;
1118 }
1119 } else if (ptr_len == flag_len) {
1120 // Handle flags with dual format: Part 2
1121 // (e.g. backup and backup=y. backup handled here)
1122 flag_val = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001123 } else {
Matt Mower2416a502016-04-12 19:54:46 -05001124 LOGINFO("Flag matched, but could not be processed: %s\n", ptr);
1125 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001126 }
Matt Mower2416a502016-04-12 19:54:46 -05001127
1128 Apply_TW_Flag(tw_flag->flag, ptr, flag_val);
1129 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001130 }
Matt Mower2416a502016-04-12 19:54:46 -05001131 }
1132 if (tw_flag->name == 0) {
Dees_Troy51127312012-09-08 13:08:49 -04001133 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001134 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001135 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001136 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001137 }
Matt Mower2416a502016-04-12 19:54:46 -05001138 ptr = strtok_r(NULL, separator, &savep);
Dees_Troy51127312012-09-08 13:08:49 -04001139 }
Dees_Troy51a0e822012-09-05 15:24:24 -04001140}
1141
Dees_Troy5bf43922012-09-07 16:07:55 -04001142bool TWPartition::Is_File_System(string File_System) {
1143 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -04001144 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001145 File_System == "ext4" ||
1146 File_System == "vfat" ||
1147 File_System == "ntfs" ||
1148 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -05001149 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +00001150 File_System == "f2fs" ||
GarfieldHand0b854b2021-11-21 23:46:20 +08001151 File_System == "erofs" ||
Erfan Abdib859e912019-02-05 18:18:46 +02001152 File_System == "squashfs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001153 File_System == "auto")
1154 return true;
1155 else
1156 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001157}
1158
Dees_Troy5bf43922012-09-07 16:07:55 -04001159bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -04001160 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -04001161 return true;
1162 else
1163 return false;
1164}
1165
Dees_Troy51127312012-09-08 13:08:49 -04001166bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Ethan Yonker93ac7a02016-11-07 22:05:58 -06001167 if (TWFunc::Get_D_Type_From_Stat(Path) != S_IFDIR)
1168 unlink(Path.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001169 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -04001170 if (mkdir(Path.c_str(), 0777) == -1) {
1171 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001172 gui_msg(Msg(msg::kError, "create_folder_strerr=Can not create '{1}' folder ({2}).")(Path)(strerror(errno)));
Dees_Troy51127312012-09-08 13:08:49 -04001173 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001174 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001175 return false;
1176 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001177 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001178 return true;
1179 }
1180 }
1181 return true;
1182}
1183
Dees_Troy5bf43922012-09-07 16:07:55 -04001184void TWPartition::Setup_File_System(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001185 Can_Be_Mounted = true;
1186 Can_Be_Wiped = true;
1187
Dees_Troy5bf43922012-09-07 16:07:55 -04001188 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -04001189 Make_Dir(Mount_Point, Display_Error);
bigbiffce8f83c2015-12-12 18:30:21 -05001190 Backup_Method = BM_FILES;
Dees_Troy5bf43922012-09-07 16:07:55 -04001191}
1192
Ethan Yonker1b190162016-12-05 15:25:19 -06001193void TWPartition::Setup_Image() {
Dees_Troy5bf43922012-09-07 16:07:55 -04001194 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
1195 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -08001196 if (Current_File_System == "emmc")
bigbiffce8f83c2015-12-12 18:30:21 -05001197 Backup_Method = BM_DD;
Gary Peck82599a82012-11-21 16:23:12 -08001198 else if (Current_File_System == "mtd" || Current_File_System == "bml")
bigbiffce8f83c2015-12-12 18:30:21 -05001199 Backup_Method = BM_FLASH_UTILS;
Dees_Troy5bf43922012-09-07 16:07:55 -04001200 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001201 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 -04001202}
1203
Dees_Troye58d5262012-09-21 12:27:57 -04001204void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -05001205 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -04001206 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -05001207 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -04001208 Has_Android_Secure = true;
1209 Symlink_Path = Mount_Point + "/.android_secure";
1210 Symlink_Mount_Point = "/and-sec";
1211 Backup_Path = Symlink_Mount_Point;
1212 Make_Dir("/and-sec", true);
1213 Recreate_AndSec_Folder();
Kjell Braden3126a112016-06-19 16:58:15 +00001214 Mount_Storage_Retry(true);
Dees_Troye58d5262012-09-21 12:27:57 -04001215}
1216
that9e0593e2014-10-08 00:01:24 +02001217void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -05001218 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
Ethan Yonker66a19492015-12-10 10:19:45 -06001219 if (Storage_Name.empty() || Storage_Name == "Data")
1220 Storage_Name = "Internal Storage";
Ethan Yonker6277c792014-09-15 14:54:30 -05001221 Has_Data_Media = true;
1222 Is_Storage = true;
Ethan Yonker66a19492015-12-10 10:19:45 -06001223 Storage_Path = Mount_Point + "/media";
Ethan Yonker6277c792014-09-15 14:54:30 -05001224 Symlink_Path = Storage_Path;
Ethan Yonker66a19492015-12-10 10:19:45 -06001225 if (Mount_Point == "/data") {
1226 Is_Settings_Storage = true;
1227 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
1228 Make_Dir("/emmc", false);
1229 Symlink_Mount_Point = "/emmc";
1230 } else {
1231 Make_Dir("/sdcard", false);
1232 Symlink_Mount_Point = "/sdcard";
1233 }
bigbiffcda15882021-12-30 17:01:44 -05001234 Mount(false);
1235 if (TWFunc::Path_Exists(Mount_Point + "/media/0")) {
Ethan Yonker66a19492015-12-10 10:19:45 -06001236 Storage_Path = Mount_Point + "/media/0";
1237 Symlink_Path = Storage_Path;
1238 DataManager::SetValue(TW_INTERNAL_PATH, Mount_Point + "/media/0");
1239 UnMount(true);
1240 }
1241 DataManager::SetValue("tw_has_internal", 1);
1242 DataManager::SetValue("tw_has_data_media", 1);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06001243 backup_exclusions.add_absolute_dir("/data/data/com.google.android.music/files");
bigbiff25d25b92020-06-19 16:07:38 -04001244 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 +01001245 backup_exclusions.add_absolute_dir("/data/vendor/dumpsys");
bigbiff25d25b92020-06-19 16:07:38 -04001246 backup_exclusions.add_absolute_dir("/data/cache");
nijel880c92d92022-01-14 10:01:32 -05001247 backup_exclusions.add_absolute_dir("/data/misc/apexdata/com.android.art"); // exclude this dir to prevent "error 255" on AOSP Android 12
sekaiacgf4af5f12022-07-06 11:19:45 +08001248 backup_exclusions.add_absolute_dir("/data/extm"); //exclude this dir to prevent "error 255" on MIUI
Ethan Yonker6355b562017-05-01 09:42:17 -05001249 wipe_exclusions.add_absolute_dir(Mount_Point + "/misc/vold"); // adopted storage keys
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001250 ExcludeAll(Mount_Point + "/system/storage.xml");
Darth98c5088d2022-08-09 12:54:40 +01001251
1252 // board-customisable exclusions
1253 #ifdef TW_BACKUP_EXCLUSIONS
1254 std::vector<std::string> user_extra_exclusions = TWFunc::Split_String(TW_BACKUP_EXCLUSIONS, ",");
1255 std::string s1;
1256 for (const std::string& extra_x : user_extra_exclusions) {
1257 s1 = android::base::Trim(extra_x);
1258 if (!s1.empty()) {
1259 backup_exclusions.add_absolute_dir(s1);
1260 LOGINFO("Adding user-defined path '%s' to the backup exclusions\n", s1.c_str());
1261 }
1262 }
1263 #endif
Ethan Yonker6277c792014-09-15 14:54:30 -05001264 } else {
nkk713c1e35f2017-03-24 18:28:03 +02001265 int i;
1266 string path;
1267 for (i = 2; i <= 9; i++) {
1268 path = "/sdcard" + TWFunc::to_string(i);
1269 if (!TWFunc::Path_Exists(path)) {
1270 Make_Dir(path, false);
1271 Symlink_Mount_Point = path;
1272 LOGINFO("'%s' data/media emulated storage symlinked to %s.\n", Mount_Point.c_str(), Symlink_Mount_Point.c_str());
1273 break;
1274 }
1275 }
Ethan Yonker66a19492015-12-10 10:19:45 -06001276 if (Mount(true) && TWFunc::Path_Exists(Mount_Point + "/media/0")) {
1277 Storage_Path = Mount_Point + "/media/0";
1278 Symlink_Path = Storage_Path;
1279 UnMount(true);
1280 }
Ethan Yonker6277c792014-09-15 14:54:30 -05001281 }
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001282 ExcludeAll(Mount_Point + "/media");
Ethan Yonker6277c792014-09-15 14:54:30 -05001283}
1284
Dees_Troy5bf43922012-09-07 16:07:55 -04001285void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001286 char device[PATH_MAX], realDevice[PATH_MAX];
Dees_Troy5bf43922012-09-07 16:07:55 -04001287
Peter Caid68e6412019-11-02 19:22:38 +08001288 Original_Path = Block;
1289
Dees_Troy5bf43922012-09-07 16:07:55 -04001290 strcpy(device, Block.c_str());
1291 memset(realDevice, 0, sizeof(realDevice));
1292 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
1293 {
1294 strcpy(device, realDevice);
1295 memset(realDevice, 0, sizeof(realDevice));
1296 }
1297
bigbiff998f8392021-08-06 19:19:33 -04001298 Block = device;
1299 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04001300}
1301
Kjell Braden3126a112016-06-19 16:58:15 +00001302bool TWPartition::Mount_Storage_Retry(bool Display_Error) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001303 // On some devices, storage doesn't want to mount right away, retry and sleep
Kjell Braden3126a112016-06-19 16:58:15 +00001304 if (!Mount(Display_Error)) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001305 int retry_count = 5;
1306 while (retry_count > 0 && !Mount(false)) {
1307 usleep(500000);
1308 retry_count--;
1309 }
Kjell Braden3126a112016-06-19 16:58:15 +00001310 return Mount(Display_Error);
Dees_Troy8e337f32012-10-13 22:07:49 -04001311 }
Kjell Braden3126a112016-06-19 16:58:15 +00001312 return true;
Dees_Troy8e337f32012-10-13 22:07:49 -04001313}
1314
Dees_Troy38bd7602012-09-14 13:33:53 -04001315bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
1316 FILE *fp = NULL;
1317 char line[255];
1318
1319 fp = fopen("/proc/mtd", "rt");
1320 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001321 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001322 return false;
1323 }
1324
1325 while (fgets(line, sizeof(line), fp) != NULL)
1326 {
1327 char device[32], label[32];
1328 unsigned long size = 0;
Dees_Troy38bd7602012-09-14 13:33:53 -04001329 int deviceId;
1330
1331 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
1332
1333 // Skip header and blank lines
1334 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
1335 continue;
1336
1337 // Strip off the trailing " from the label
1338 label[strlen(label)-1] = '\0';
1339
1340 if (strcmp(label, MTD_Name.c_str()) == 0) {
1341 // We found our device
1342 // Strip off the trailing : from the device
1343 device[strlen(device)-1] = '\0';
1344 if (sscanf(device,"mtd%d", &deviceId) == 1) {
1345 sprintf(device, "/dev/block/mtdblock%d", deviceId);
1346 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +00001347 fclose(fp);
1348 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001349 }
1350 }
1351 }
1352 fclose(fp);
1353
1354 return false;
1355}
1356
Dees_Troy51127312012-09-08 13:08:49 -04001357bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
1358 struct statfs st;
1359 string Local_Path = Mount_Point + "/.";
1360
1361 if (!Mount(Display_Error))
1362 return false;
1363
1364 if (statfs(Local_Path.c_str(), &st) != 0) {
1365 if (!Removable) {
1366 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001367 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001368 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001369 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001370 }
1371 return false;
1372 }
1373 Size = (st.f_blocks * st.f_bsize);
1374 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
1375 Free = (st.f_bfree * st.f_bsize);
1376 Backup_Size = Used;
1377 return true;
1378}
1379
1380bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001381 FILE* fp;
1382 char command[255], line[512];
1383 int include_block = 1;
1384 unsigned int min_len;
1385
1386 if (!Mount(Display_Error))
1387 return false;
1388
Dees_Troy38bd7602012-09-14 13:33:53 -04001389 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -04001390 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001391 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -04001392 fp = fopen("/tmp/dfoutput.txt", "rt");
1393 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001394 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -04001395 return false;
Dees_Troy51127312012-09-08 13:08:49 -04001396 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001397
1398 while (fgets(line, sizeof(line), fp) != NULL)
1399 {
1400 unsigned long blocks, used, available;
1401 char device[64];
1402 char tmpString[64];
1403
1404 if (strncmp(line, "Filesystem", 10) == 0)
1405 continue;
1406 if (strlen(line) < min_len) {
1407 include_block = 0;
1408 continue;
1409 }
1410 if (include_block) {
1411 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
1412 } else {
1413 // The device block string is so long that the df information is on the next line
1414 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -04001415 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001416 while (tmpString[space_count] == 32)
1417 space_count++;
1418 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
1419 }
1420
1421 // Adjust block size to byte size
1422 Size = blocks * 1024ULL;
1423 Used = used * 1024ULL;
1424 Free = available * 1024ULL;
1425 Backup_Size = Used;
1426 }
1427 fclose(fp);
1428 return true;
1429}
1430
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001431unsigned long long TWPartition::IOCTL_Get_Block_Size() {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001432 Find_Actual_Block_Device();
Ethan Yonker483e9f42016-01-11 22:21:18 -06001433
1434 return TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001435}
1436
Dees_Troy5bf43922012-09-07 16:07:55 -04001437bool TWPartition::Find_Partition_Size(void) {
1438 FILE* fp;
1439 char line[512];
1440 string tmpdevice;
1441
igoriok87e3d932013-01-31 21:03:53 +02001442 fp = fopen("/proc/dumchar_info", "rt");
1443 if (fp != NULL) {
1444 while (fgets(line, sizeof(line), fp) != NULL)
1445 {
1446 char label[32], device[32];
1447 unsigned long size = 0;
1448
thatd43bf2d2014-09-21 23:13:02 +02001449 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +02001450
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001451 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +02001452 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
1453 continue;
1454
1455 tmpdevice = "/dev/";
1456 tmpdevice += label;
1457 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
1458 Size = size;
1459 fclose(fp);
1460 return true;
1461 }
1462 }
1463 }
1464
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001465 unsigned long long ioctl_size = IOCTL_Get_Block_Size();
1466 if (ioctl_size) {
1467 Size = ioctl_size;
1468 return true;
1469 }
1470
Dees_Troy5bf43922012-09-07 16:07:55 -04001471 // In this case, we'll first get the partitions we care about (with labels)
1472 fp = fopen("/proc/partitions", "rt");
1473 if (fp == NULL)
1474 return false;
1475
1476 while (fgets(line, sizeof(line), fp) != NULL)
1477 {
1478 unsigned long major, minor, blocks;
1479 char device[512];
Dees_Troy5bf43922012-09-07 16:07:55 -04001480
Dees_Troy63c8df72012-09-10 14:02:05 -04001481 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -04001482 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
1483
1484 tmpdevice = "/dev/block/";
1485 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -04001486 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001487 // Adjust block size to byte size
1488 Size = blocks * 1024ULL;
1489 fclose(fp);
1490 return true;
1491 }
1492 }
1493 fclose(fp);
1494 return false;
1495}
1496
Dees_Troy5bf43922012-09-07 16:07:55 -04001497bool TWPartition::Is_Mounted(void) {
1498 if (!Can_Be_Mounted)
1499 return false;
1500
1501 struct stat st1, st2;
1502 string test_path;
1503
1504 // Check to see if the mount point directory exists
1505 test_path = Mount_Point + "/.";
1506 if (stat(test_path.c_str(), &st1) != 0) return false;
1507
1508 // Check to see if the directory above the mount point exists
1509 test_path = Mount_Point + "/../.";
1510 if (stat(test_path.c_str(), &st2) != 0) return false;
1511
1512 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
1513 int ret = (st1.st_dev != st2.st_dev) ? true : false;
Dees_Troy5bf43922012-09-07 16:07:55 -04001514 return ret;
1515}
1516
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001517bool TWPartition::Is_File_System_Writable(void) {
1518 if (!Is_File_System(Current_File_System) || !Is_Mounted())
1519 return false;
1520
1521 string test_path = Mount_Point + "/.";
1522 return (access(test_path.c_str(), W_OK) == 0);
1523}
1524
Dees_Troy5bf43922012-09-07 16:07:55 -04001525bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001526 int exfat_mounted = 0;
Martin D√ľnkelmann6d843782018-12-27 23:40:28 +01001527 unsigned int flags = Mount_Flags;
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001528
Dees_Troy5bf43922012-09-07 16:07:55 -04001529 if (Is_Mounted()) {
1530 return true;
1531 } else if (!Can_Be_Mounted) {
1532 return false;
1533 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001534
1535 Find_Actual_Block_Device();
1536
1537 // Check the current file system before mounting
1538 Check_FS_Type();
bigbiffad58e1b2020-07-06 20:24:34 -04001539 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/exfat-fuse")) {
1540 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 +00001541 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001542 string result;
bigbiffad58e1b2020-07-06 20:24:34 -04001543 if (TWFunc::Exec_Cmd(cmd, result, false) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001544 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001545 Current_File_System = "vfat";
1546 } else {
1547#ifdef TW_NO_EXFAT_FUSE
1548 UnMount(false);
1549 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
1550 // Some kernels let us mount vfat as exfat which doesn't work out too well
1551#else
1552 exfat_mounted = 1;
1553#endif
1554 }
1555 }
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001556
Captain Throwback47bf7202020-10-06 17:39:39 -04001557 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 -05001558 string cmd;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001559 string Ntfsmount_Binary = "";
1560
bigbiffad58e1b2020-07-06 20:24:34 -04001561 if (TWFunc::Path_Exists("/system/bin/ntfs-3g"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001562 Ntfsmount_Binary = "ntfs-3g";
bigbiffad58e1b2020-07-06 20:24:34 -04001563 else if (TWFunc::Path_Exists("/system/bin/mount.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001564 Ntfsmount_Binary = "mount.ntfs";
1565
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001566 if (Mount_Read_Only)
bigbiffad58e1b2020-07-06 20:24:34 -04001567 cmd = "/system/bin/" + Ntfsmount_Binary + " -o ro " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001568 else
bigbiffad58e1b2020-07-06 20:24:34 -04001569 cmd = "/system/bin/" + Ntfsmount_Binary + " " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001570 LOGINFO("cmd: '%s'\n", cmd.c_str());
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001571
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001572 if (TWFunc::Exec_Cmd(cmd) == 0) {
1573 return true;
1574 } else {
1575 LOGINFO("ntfs-3g failed to mount, trying regular mount method.\n");
1576 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001577 } else {
1578 if (Current_File_System == "ntfs" && TWFunc::Path_Exists("/sys/module/tntfs"))
1579 Current_File_System = "tntfs";
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001580 }
1581
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001582 if (Mount_Read_Only)
1583 flags |= MS_RDONLY;
1584
Dees_Troy22042032012-12-18 21:23:08 +00001585 if (Fstab_File_System == "yaffs2") {
1586 // mount an MTD partition as a YAFFS2 filesystem.
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001587 flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
1588 if (Mount_Read_Only)
1589 flags |= MS_RDONLY;
Dees_Troy76543db2013-06-19 16:24:30 +00001590 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
1591 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
1592 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001593 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001594 else
1595 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1596 return false;
1597 } else {
1598 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
1599 return true;
1600 }
1601 } else {
1602 struct stat st;
1603 string test_path = Mount_Point;
1604 if (stat(test_path.c_str(), &st) < 0) {
1605 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001606 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001607 else
1608 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1609 return false;
1610 }
1611 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
1612 if (new_mode != st.st_mode) {
1613 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
1614 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
1615 if (Display_Error)
1616 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1617 else
1618 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1619 return false;
1620 }
1621 }
Dees_Troy22042032012-12-18 21:23:08 +00001622 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001623 }
thatc7572eb2015-03-31 18:55:30 +02001624 }
1625
1626 string mount_fs = Current_File_System;
1627 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sys/module/texfat"))
1628 mount_fs = "texfat";
1629
1630 if (!exfat_mounted &&
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001631 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, Mount_Options.c_str()) != 0 &&
1632 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001633#ifdef TW_NO_EXFAT_FUSE
1634 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001635 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001636 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001637 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001638 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy85f44ed2013-01-09 18:42:36 +00001639 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001640 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001641 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 +00001642 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001643 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001644 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001645#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001646 if (!Removable && Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001647 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001648 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001649 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1650 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 +00001651 return false;
1652#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001653 }
1654#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001655 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001656
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001657 if (Removable)
1658 Update_Size(Display_Error);
1659
bigbiffcda15882021-12-30 17:01:44 -05001660 if (!Symlink_Mount_Point.empty()) {
bigbiffbe4f46c2021-04-24 11:48:54 -04001661 if (!Bind_Mount(false))
1662 return false;
1663 }
1664 return true;
1665}
1666
1667bool TWPartition::Bind_Mount(bool Display_Error) {
1668 if (TWFunc::Path_Exists(Symlink_Path)) {
1669 if (mount(Symlink_Path.c_str(), Symlink_Mount_Point.c_str(), "", MS_BIND, NULL) < 0) {
1670 return false;
1671 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001672 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001673 return true;
1674}
1675
1676bool TWPartition::UnMount(bool Display_Error) {
1677 if (Is_Mounted()) {
1678 int never_unmount_system;
1679
1680 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
Captain Throwback9d6feb52018-07-27 10:05:24 -04001681 if (never_unmount_system == 1 && Mount_Point == PartitionManager.Get_Android_Root_Path())
Dees_Troy5bf43922012-09-07 16:07:55 -04001682 return true; // Never unmount system if you're not supposed to unmount it
1683
Matt Mowera8e6d832017-02-14 20:20:59 -06001684 if (Is_Storage && MTP_Storage_ID > 0)
Ethan Yonker726a0202014-12-16 20:01:38 -06001685 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001686
Dees_Troy38bd7602012-09-14 13:33:53 -04001687 if (!Symlink_Mount_Point.empty())
1688 umount(Symlink_Mount_Point.c_str());
1689
Dees_Troyb05ddee2013-01-28 20:24:50 +00001690 umount(Mount_Point.c_str());
1691 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001692 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001693 gui_msg(Msg(msg::kError, "fail_unmount=Failed to unmount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy5bf43922012-09-07 16:07:55 -04001694 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001695 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001696 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001697 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001698 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001699 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001700 } else {
1701 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001702 }
1703}
1704
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001705bool TWPartition::ReMount(bool Display_Error) {
1706 if (UnMount(Display_Error))
1707 return Mount(Display_Error);
1708 return false;
1709}
1710
1711bool TWPartition::ReMount_RW(bool Display_Error) {
1712 // No need to remount if already mounted rw
1713 if (Is_File_System_Writable())
1714 return true;
1715
1716 bool ro = Mount_Read_Only;
1717 int flags = Mount_Flags;
1718
1719 Mount_Read_Only = false;
1720 Mount_Flags &= ~MS_RDONLY;
1721
1722 bool ret = ReMount(Display_Error);
1723
1724 Mount_Read_Only = ro;
1725 Mount_Flags = flags;
1726
1727 return ret;
1728}
1729
Gary Peck43acadf2012-11-21 21:19:01 -08001730bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001731 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b31