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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>
36#include <libsnapshot/snapshot.h>
Dees_Troy51a0e822012-09-05 15:24:24 -040037
Ethan Yonker007de982018-08-31 14:23:16 -050038#include "cutils/properties.h"
bigbiff7b4c7a62015-01-01 19:44:14 -050039#include "libblkid/include/blkid.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040040#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000041#include "twcommon.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040042#include "partitions.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040043#include "data.hpp"
Dees_Troy43d8b002012-09-17 16:00:01 -040044#include "twrp-functions.hpp"
bigbiff bigbiff9c754052013-01-09 09:09:08 -050045#include "twrpTar.hpp"
Ethan Yonker3fdcda42016-11-30 12:29:37 -060046#include "exclude.hpp"
Ethan Yonker1b7a31b2014-07-03 15:09:22 -050047#include "infomanager.hpp"
Ethan Yonker4b94cfd2014-12-11 10:00:45 -060048#include "set_metadata.h"
Ethan Yonker74db1572015-10-28 12:44:49 -050049#include "gui/gui.hpp"
bigbiffce8f83c2015-12-12 18:30:21 -050050#include "adbbu/libtwadbbu.hpp"
Ethan Yonker98661c12018-10-17 08:39:28 -050051#ifdef TW_INCLUDE_CRYPTO
52 #include "crypto/fde/cryptfs.h"
bigbiffa957f072021-03-07 18:20:29 -050053 #include "Decrypt.h"
Ethan Yonker98661c12018-10-17 08:39:28 -050054#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,
Captain Throwbackf74fe4f2022-02-08 12:45:01 -0500136 TWFLAG_METADATA_ENCRYPTION,
Matt Mower2416a502016-04-12 19:54:46 -0500137 TWFLAG_FLASHIMG,
138 TWFLAG_FORCEENCRYPT,
139 TWFLAG_FSFLAGS,
140 TWFLAG_IGNOREBLKID,
141 TWFLAG_LENGTH,
142 TWFLAG_MOUNTTODECRYPT,
Captain Throwback8d97d422022-02-08 15:31:44 -0500143 TWFLAG_QUOTA,
Matt Mower2416a502016-04-12 19:54:46 -0500144 TWFLAG_REMOVABLE,
Matt Mower2416a502016-04-12 19:54:46 -0500145 TWFLAG_SETTINGSSTORAGE,
146 TWFLAG_STORAGE,
147 TWFLAG_STORAGENAME,
148 TWFLAG_SUBPARTITIONOF,
149 TWFLAG_SYMLINK,
150 TWFLAG_USERDATAENCRYPTBACKUP,
151 TWFLAG_USERMRF,
152 TWFLAG_WIPEDURINGFACTORYRESET,
153 TWFLAG_WIPEINGUI,
Ethan Yonker1b190162016-12-05 15:25:19 -0600154 TWFLAG_SLOTSELECT,
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600155 TWFLAG_WAIT,
156 TWFLAG_VERIFY,
157 TWFLAG_CHECK,
158 TWFLAG_ALTDEVICE,
159 TWFLAG_NOTRIM,
160 TWFLAG_VOLDMANAGED,
161 TWFLAG_FORMATTABLE,
162 TWFLAG_RESIZE,
Ethan Yonker93382822018-11-01 15:25:31 -0500163 TWFLAG_KEYDIRECTORY,
Peter Cai28ea7b02019-05-24 11:38:54 +0800164 TWFLAG_WRAPPEDKEY,
Peter Cai439d60c2019-10-17 08:49:10 +0800165 TWFLAG_ADOPTED_MOUNT_DELAY,
Peter Caid68e6412019-11-02 19:22:38 +0800166 TWFLAG_DM_USE_ORIGINAL_PATH,
bigbiff998f8392021-08-06 19:19:33 -0400167 TWFLAG_LOGICAL,
Matt Mower2416a502016-04-12 19:54:46 -0500168};
169
170/* Flags without a trailing '=' are considered dual format flags and can be
171 * written as either 'flagname' or 'flagname=', where the character following
172 * the '=' is Y,y,1 for true and false otherwise.
173 */
174const struct flag_list tw_flags[] = {
175 { "andsec", TWFLAG_ANDSEC },
176 { "backup", TWFLAG_BACKUP },
177 { "backupname=", TWFLAG_BACKUPNAME },
178 { "blocksize=", TWFLAG_BLOCKSIZE },
179 { "canbewiped", TWFLAG_CANBEWIPED },
180 { "canencryptbackup", TWFLAG_CANENCRYPTBACKUP },
181 { "defaults", TWFLAG_DEFAULTS },
182 { "display=", TWFLAG_DISPLAY },
183 { "encryptable=", TWFLAG_ENCRYPTABLE },
Ethan Yonkere9afc3d2018-08-30 15:16:27 -0500184 { "fileencryption=", TWFLAG_FILEENCRYPTION },
Captain Throwbackf74fe4f2022-02-08 12:45:01 -0500185 { "metadata_encryption=", TWFLAG_METADATA_ENCRYPTION },
Matt Mower2416a502016-04-12 19:54:46 -0500186 { "flashimg", TWFLAG_FLASHIMG },
187 { "forceencrypt=", TWFLAG_FORCEENCRYPT },
188 { "fsflags=", TWFLAG_FSFLAGS },
189 { "ignoreblkid", TWFLAG_IGNOREBLKID },
190 { "length=", TWFLAG_LENGTH },
191 { "mounttodecrypt", TWFLAG_MOUNTTODECRYPT },
Captain Throwback8d97d422022-02-08 15:31:44 -0500192 { "quota", TWFLAG_QUOTA },
Matt Mower2416a502016-04-12 19:54:46 -0500193 { "removable", TWFLAG_REMOVABLE },
Matt Mower2416a502016-04-12 19:54:46 -0500194 { "settingsstorage", TWFLAG_SETTINGSSTORAGE },
195 { "storage", TWFLAG_STORAGE },
196 { "storagename=", TWFLAG_STORAGENAME },
197 { "subpartitionof=", TWFLAG_SUBPARTITIONOF },
198 { "symlink=", TWFLAG_SYMLINK },
199 { "userdataencryptbackup", TWFLAG_USERDATAENCRYPTBACKUP },
200 { "usermrf", TWFLAG_USERMRF },
201 { "wipeduringfactoryreset", TWFLAG_WIPEDURINGFACTORYRESET },
202 { "wipeingui", TWFLAG_WIPEINGUI },
Ethan Yonker1b190162016-12-05 15:25:19 -0600203 { "slotselect", TWFLAG_SLOTSELECT },
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600204 { "wait", TWFLAG_WAIT },
205 { "verify", TWFLAG_VERIFY },
206 { "check", TWFLAG_CHECK },
207 { "altdevice", TWFLAG_ALTDEVICE },
208 { "notrim", TWFLAG_NOTRIM },
209 { "voldmanaged=", TWFLAG_VOLDMANAGED },
210 { "formattable", TWFLAG_FORMATTABLE },
211 { "resize", TWFLAG_RESIZE },
Ethan Yonker93382822018-11-01 15:25:31 -0500212 { "keydirectory=", TWFLAG_KEYDIRECTORY },
Peter Cai28ea7b02019-05-24 11:38:54 +0800213 { "wrappedkey", TWFLAG_WRAPPEDKEY },
Peter Cai439d60c2019-10-17 08:49:10 +0800214 { "adopted_mount_delay=", TWFLAG_ADOPTED_MOUNT_DELAY },
Peter Caid68e6412019-11-02 19:22:38 +0800215 { "dm_use_original_path", TWFLAG_DM_USE_ORIGINAL_PATH },
bigbiff998f8392021-08-06 19:19:33 -0400216 { "logical", TWFLAG_LOGICAL },
Matt Mower2416a502016-04-12 19:54:46 -0500217 { 0, 0 },
218};
219
that9e0593e2014-10-08 00:01:24 +0200220TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400221 Can_Be_Mounted = false;
222 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500223 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200224 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400225 Wipe_During_Factory_Reset = false;
226 Wipe_Available_in_GUI = false;
227 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400228 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400229 SubPartition_Of = "";
230 Symlink_Path = "";
231 Symlink_Mount_Point = "";
232 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400233 Backup_Path = "";
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600234 Wildcard_Block_Device = false;
235 Sysfs_Entry = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400236 Actual_Block_Device = "";
237 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400238 Alternate_Block_Device = "";
239 Removable = false;
240 Is_Present = false;
241 Length = 0;
242 Size = 0;
243 Used = 0;
244 Free = 0;
245 Backup_Size = 0;
246 Can_Be_Encrypted = false;
247 Is_Encrypted = false;
248 Is_Decrypted = false;
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600249 Is_FBE = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600250 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400251 Decrypted_Block_Device = "";
252 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500253 Backup_Display_Name = "";
254 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400255 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400256 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400257 MTD_Name = "";
bigbiffce8f83c2015-12-12 18:30:21 -0500258 Backup_Method = BM_NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000259 Can_Encrypt_Backup = false;
260 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400261 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400262 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400263 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500264 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400265 Storage_Path = "";
266 Current_File_System = "";
267 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800268 Mount_Flags = 0;
269 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400270 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000271 Ignore_Blkid = false;
dianlujitao4879b372018-12-03 18:45:47 +0800272 Crypto_Key_Location = "";
Ethan Yonker726a0202014-12-16 20:01:38 -0600273 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600274 Can_Flash_Img = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500275 Mount_Read_Only = false;
Ethan Yonker66a19492015-12-10 10:19:45 -0600276 Is_Adopted_Storage = false;
277 Adopted_GUID = "";
Ethan Yonker1b190162016-12-05 15:25:19 -0600278 SlotSelect = false;
Ethan Yonker93382822018-11-01 15:25:31 -0500279 Key_Directory = "";
bigbiffee7b7ff2020-03-23 15:08:27 -0400280 Is_Super = false;
Peter Cai439d60c2019-10-17 08:49:10 +0800281 Adopted_Mount_Delay = 0;
Peter Caid68e6412019-11-02 19:22:38 +0800282 Original_Path = "";
283 Use_Original_Path = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400284}
285
286TWPartition::~TWPartition(void) {
287 // Do nothing
288}
289
bigbiff8da46fa2020-09-08 16:42:34 -0400290bool 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 -0500291 char full_line[MAX_FSTAB_LINE_LENGTH];
Matt Mower2416a502016-04-12 19:54:46 -0500292 char twflags[MAX_FSTAB_LINE_LENGTH] = "";
Dees_Troy5bf43922012-09-07 16:07:55 -0400293 char* ptr;
Matt Mower2b2dd152016-04-26 11:24:08 -0500294 int line_len = strlen(fstab_line), index = 0, item_index = 0;
Dees_Troya13d74f2013-03-24 08:54:55 -0500295 bool skip = false;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600296 int fstab_version = 1, mount_point_index = 0, fs_index = 1, block_device_index = 2;
297 TWPartition *additional_entry = NULL;
298 std::map<string, Flags_Map>::iterator it;
Dees_Troy5bf43922012-09-07 16:07:55 -0400299
Matt Mower2b2dd152016-04-26 11:24:08 -0500300 strlcpy(full_line, fstab_line, sizeof(full_line));
bigbiffee7b7ff2020-03-23 15:08:27 -0400301
Dees_Troy51127312012-09-08 13:08:49 -0400302 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500303 if (full_line[index] == 34)
304 skip = !skip;
305 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400306 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400307 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600308 if (line_len < 10)
309 return false; // There can't possibly be a valid fstab line that is less than 10 chars
bigbiff998f8392021-08-06 19:19:33 -0400310 if (fstab_line[0] == '#')
311 return false; // skip comments
312
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600313 if (strncmp(fstab_line, "/dev/", strlen("/dev/")) == 0 || strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
314 fstab_version = 2;
315 block_device_index = 0;
316 mount_point_index = 1;
317 fs_index = 2;
318 }
319
bigbiff998f8392021-08-06 19:19:33 -0400320 if (fstab_line[0] != '/') {
bigbiffee7b7ff2020-03-23 15:08:27 -0400321 block_device_index = 0;
322 fstab_version = 2;
323 mount_point_index = 1;
324 fs_index = 2;
325 }
326
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600327 index = 0;
Dees_Troy5bf43922012-09-07 16:07:55 -0400328 while (index < line_len) {
329 while (index < line_len && full_line[index] == '\0')
330 index++;
331 if (index >= line_len)
332 continue;
333 ptr = full_line + index;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600334 if (item_index == mount_point_index) {
335 Mount_Point = ptr;
bigbiffee7b7ff2020-03-23 15:08:27 -0400336 if (fstab_version == 2 && Is_Super == false) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600337 additional_entry = PartitionManager.Find_Partition_By_Path(Mount_Point);
bigbiff8da46fa2020-09-08 16:42:34 -0400338 if (additional_entry) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600339 LOGINFO("Found an additional entry for '%s'\n", Mount_Point.c_str());
340 }
341 }
bigbiff8da46fa2020-09-08 16:42:34 -0400342 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600343 Backup_Path = Mount_Point;
344 Storage_Path = Mount_Point;
345 Display_Name = ptr + 1;
346 Backup_Display_Name = Display_Name;
347 Storage_Name = Display_Name;
348 item_index++;
349 } else if (item_index == fs_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400350 // File System
351 Fstab_File_System = ptr;
352 Current_File_System = ptr;
353 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600354 } else if (item_index == block_device_index) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400355 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400356 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400357 MTD_Name = ptr;
358 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400359 } else if (Fstab_File_System == "bml") {
360 if (Mount_Point == "/boot")
361 MTD_Name = "boot";
362 else if (Mount_Point == "/recovery")
363 MTD_Name = "recovery";
364 Primary_Block_Device = ptr;
365 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000366 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 -0400367 } else {
368 Primary_Block_Device = ptr;
bigbiff998f8392021-08-06 19:19:33 -0400369 if (*ptr == '/')
370 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400371 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400372 item_index++;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600373 } else if (item_index > 2) {
374 if (fstab_version == 2) {
375 if (item_index == 3) {
376 Process_FS_Flags(ptr);
377 if (additional_entry) {
378 additional_entry->Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
379 return false; // We save the extra fs flags in the other partition entry and by returning false, this entry will be deleted
380 }
381 } else {
382 strlcpy(twflags, ptr, sizeof(twflags));
383 }
384 item_index++;
385 } else if (*ptr == '/') { // v2 fstab does not allow alternate block devices
Dees_Troy5bf43922012-09-07 16:07:55 -0400386 // Alternate Block Device
387 Alternate_Block_Device = ptr;
388 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
389 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
390 // Partition length
391 ptr += 7;
392 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400393 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
394 // Custom flags, save for later so that new values aren't overwritten by defaults
395 ptr += 6;
Matt Mower2416a502016-04-12 19:54:46 -0500396 strlcpy(twflags, ptr, sizeof(twflags));
Dees_Troy38bd7602012-09-14 13:33:53 -0400397 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
398 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400399 } else {
400 // Unhandled data
Matt Mower2b2dd152016-04-26 11:24:08 -0500401 LOGINFO("Unhandled fstab information '%s' in fstab line '%s'\n", ptr, fstab_line);
Dees_Troy5bf43922012-09-07 16:07:55 -0400402 }
403 }
404 while (index < line_len && full_line[index] != '\0')
405 index++;
406 }
407
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600408 // override block devices from the v2 fstab with the ones we read from the twrp.flags file in case they are different
409 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
410 it = twrp_flags->find(Mount_Point);
411 if (it != twrp_flags->end()) {
412 if (!it->second.Primary_Block_Device.empty()) {
413 Primary_Block_Device = it->second.Primary_Block_Device;
414 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
415 }
416 if (!it->second.Alternate_Block_Device.empty()) {
417 Alternate_Block_Device = it->second.Alternate_Block_Device;
418 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
419 }
420 }
421 }
422
423 if (strncmp(fstab_line, "/devices/", strlen("/devices/")) == 0) {
424 Sysfs_Entry = Primary_Block_Device;
425 Primary_Block_Device = "";
426 Is_Storage = true;
427 Removable = true;
428 Wipe_Available_in_GUI = true;
429 Wildcard_Block_Device = true;
430 }
431 if (Primary_Block_Device.find("*") != string::npos)
432 Wildcard_Block_Device = true;
433
bigbiff8da46fa2020-09-08 16:42:34 -0400434 if (Mount_Point == "auto") {
435 Mount_Point = "/auto";
436 char autoi[5];
437 sprintf(autoi, "%i", auto_index);
438 Mount_Point += autoi;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600439 Backup_Path = Mount_Point;
440 Storage_Path = Mount_Point;
dianlujitaob76a73a2020-04-30 20:33:20 +0800441 Backup_Name = Mount_Point.substr(1);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600442 auto_index++;
443 Setup_File_System(Display_Error);
444 Display_Name = "Storage";
445 Backup_Display_Name = Display_Name;
446 Storage_Name = Display_Name;
447 Can_Be_Backed_Up = false;
448 Wipe_Available_in_GUI = true;
449 Is_Storage = true;
450 Removable = true;
451 Wipe_Available_in_GUI = true;
452 } else if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400453 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000454 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400455 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000456 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500457 return false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400458 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400459 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400460 Setup_File_System(Display_Error);
dianlujitaob76a73a2020-04-30 20:33:20 +0800461 Backup_Name = Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
Chaosmaster3b682732020-01-25 21:09:28 +0100462 if (Mount_Point == "/" || Mount_Point == "/system" || Mount_Point == "/system_root") {
bigbiff8da46fa2020-09-08 16:42:34 -0400463 Mount_Point = PartitionManager.Get_Android_Root_Path();
464 Backup_Path = Mount_Point;
465 Storage_Path = Mount_Point;
Dees_Troy5bf43922012-09-07 16:07:55 -0400466 Display_Name = "System";
dianlujitaob76a73a2020-04-30 20:33:20 +0800467 Backup_Name = "system";
Dees_Troya13d74f2013-03-24 08:54:55 -0500468 Backup_Display_Name = Display_Name;
469 Storage_Name = Display_Name;
bigbiff8da46fa2020-09-08 16:42:34 -0400470 Wipe_Available_in_GUI = false;
471 Can_Be_Backed_Up = false;
472 Can_Be_Wiped = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500473 Mount_Read_Only = true;
bigbiff8da46fa2020-09-08 16:42:34 -0400474 Make_Dir(PartitionManager.Get_Android_Root_Path(), true);
Mohd Faraze3948ec2020-08-14 01:40:59 +0000475 } else if (Mount_Point == "/product") {
476 Display_Name = "Product";
477 Backup_Name = "Product";
478 Backup_Display_Name = Display_Name;
479 Storage_Name = Display_Name;
480 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
481 Mount_Read_Only = true;
482 } else if (Mount_Point == "/odm") {
483 Display_Name = "ODM";
484 Backup_Name = "ODM";
485 Backup_Display_Name = Display_Name;
486 Storage_Name = Display_Name;
487 Can_Be_Backed_Up = Wipe_Available_in_GUI = Is_Super ? false : true;
488 Mount_Read_Only = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400489 } else if (Mount_Point == "/data") {
490 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500491 Backup_Display_Name = Display_Name;
492 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400493 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400494 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500495 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000496 Can_Encrypt_Backup = true;
497 Use_Userdata_Encryption = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400498 } else if (Mount_Point == "/cache") {
499 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500500 Backup_Display_Name = Display_Name;
501 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400502 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400503 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500504 Can_Be_Backed_Up = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400505 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400506 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400507 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500508 Backup_Display_Name = Display_Name;
509 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400510 Is_SubPartition = true;
511 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400512 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500513 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000514 Can_Encrypt_Backup = true;
515 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400516 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400517 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400518 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500519 Backup_Display_Name = Display_Name;
520 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400521 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400522 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500523 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000524 Can_Encrypt_Backup = true;
525 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400526 } else if (Mount_Point == "/boot") {
527 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500528 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400529 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500530 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500531 } else if (Mount_Point == "/vendor") {
532 Display_Name = "Vendor";
533 Backup_Display_Name = Display_Name;
534 Storage_Name = Display_Name;
535 Mount_Read_Only = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400536 }
537#ifdef TW_EXTERNAL_STORAGE_PATH
538 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
539 Is_Storage = true;
540 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400541 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500542 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400543#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000544 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400545 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400546 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500547 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400548#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000549 }
Dees_Troy8170a922012-09-18 15:40:25 -0400550#ifdef TW_INTERNAL_STORAGE_PATH
551 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
552 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500553 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400554 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500555 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400556 }
557#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000558 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400559 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500560 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500561 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400562 }
563#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400564 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400565 Find_Actual_Block_Device();
Ethan Yonker1b190162016-12-05 15:25:19 -0600566 Setup_Image();
Dees_Troya13d74f2013-03-24 08:54:55 -0500567 if (Mount_Point == "/boot") {
568 Display_Name = "Boot";
569 Backup_Display_Name = Display_Name;
570 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600571 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500572 } else if (Mount_Point == "/recovery") {
573 Display_Name = "Recovery";
574 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600575 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500576 } else if (Mount_Point == "/system_image") {
577 Display_Name = "System Image";
578 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500579 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500580 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500581 } else if (Mount_Point == "/vendor_image") {
582 Display_Name = "Vendor Image";
583 Backup_Display_Name = Display_Name;
HashBanged974bb2016-01-30 14:20:09 -0500584 Can_Flash_Img = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500585 Can_Be_Backed_Up = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500586 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400587 }
588
Matt Mower2416a502016-04-12 19:54:46 -0500589 // Process TWRP fstab flags
590 if (strlen(twflags) > 0) {
591 string Prev_Display_Name = Display_Name;
592 string Prev_Storage_Name = Storage_Name;
593 string Prev_Backup_Display_Name = Backup_Display_Name;
594 Display_Name = "";
595 Storage_Name = "";
596 Backup_Display_Name = "";
597
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600598 Process_TW_Flags(twflags, (fstab_version == 1), fstab_version);
599 Save_FS_Flags(Fstab_File_System, Mount_Flags, Mount_Options);
Matt Mower2416a502016-04-12 19:54:46 -0500600
601 bool has_display_name = !Display_Name.empty();
602 bool has_storage_name = !Storage_Name.empty();
603 bool has_backup_name = !Backup_Display_Name.empty();
604 if (!has_display_name) Display_Name = Prev_Display_Name;
605 if (!has_storage_name) Storage_Name = Prev_Storage_Name;
606 if (!has_backup_name) Backup_Display_Name = Prev_Backup_Display_Name;
607
608 if (has_display_name && !has_storage_name)
609 Storage_Name = Display_Name;
610 if (!has_display_name && has_storage_name)
611 Display_Name = Storage_Name;
612 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
613 Backup_Display_Name = Display_Name;
614 if (!has_display_name && has_backup_name)
615 Display_Name = Backup_Display_Name;
616 }
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600617
618 if (fstab_version == 2 && twrp_flags && twrp_flags->size() > 0) {
619 it = twrp_flags->find(Mount_Point);
620 if (it != twrp_flags->end()) {
621 char twrpflags[MAX_FSTAB_LINE_LENGTH] = "";
622 int skip = 0;
623 string Flags = it->second.Flags;
624 strcpy(twrpflags, Flags.c_str());
625 if (strlen(twrpflags) > strlen("flags=") && strncmp(twrpflags, "flags=", strlen("flags=")) == 0)
626 skip += strlen("flags=");
627 char* flagptr = twrpflags;
628 flagptr += skip;
629 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
630 }
631 }
nkk7198fc3992017-12-16 16:26:42 +0200632
633 if (Mount_Point == "/persist" && Can_Be_Mounted) {
634 bool mounted = Is_Mounted();
635 if (mounted || Mount(false)) {
nkk7198fc3992017-12-16 16:26:42 +0200636 TWFunc::Fixup_Time_On_Boot("/persist/time/");
637 if (!mounted)
638 UnMount(false);
639 }
640 }
641
Dees_Troy51127312012-09-08 13:08:49 -0400642 return true;
643}
644
Matt Mower72c87ce2016-04-26 14:34:56 -0500645void TWPartition::Partition_Post_Processing(bool Display_Error) {
646 if (Mount_Point == "/data")
647 Setup_Data_Partition(Display_Error);
648 else if (Mount_Point == "/cache")
649 Setup_Cache_Partition(Display_Error);
650}
651
Ethan Yonkerbd7492d2016-12-07 13:55:01 -0600652void TWPartition::ExcludeAll(const string& path) {
653 backup_exclusions.add_absolute_dir(path);
654 wipe_exclusions.add_absolute_dir(path);
655}
656
Matt Mower72c87ce2016-04-26 14:34:56 -0500657void TWPartition::Setup_Data_Partition(bool Display_Error) {
658 if (Mount_Point != "/data")
659 return;
660
661 // Ensure /data is not mounted as tmpfs for qcom hardware decrypt
662 UnMount(false);
663
664#ifdef TW_INCLUDE_CRYPTO
Matt Mower72c87ce2016-04-26 14:34:56 -0500665 Can_Be_Encrypted = true;
666 char crypto_blkdev[255];
667 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
668 if (strcmp(crypto_blkdev, "error") != 0) {
bigbiff7ba75002020-04-11 20:47:09 -0400669 Set_FBE_Status();
Matt Mower72c87ce2016-04-26 14:34:56 -0500670 Decrypted_Block_Device = crypto_blkdev;
671 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
bigbiff4fa02b52021-12-30 17:01:44 -0500672 if (datamedia)
673 Setup_Data_Media();
bigbiff7ba75002020-04-11 20:47:09 -0400674 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Matt Mower72c87ce2016-04-26 14:34:56 -0500675 } else if (!Mount(false)) {
676 if (Is_Present) {
Ethan Yonker93382822018-11-01 15:25:31 -0500677 if (Key_Directory.empty()) {
Peter Caid68e6412019-11-02 19:22:38 +0800678 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 -0400679 Fstab_File_System.c_str());
Ethan Yonker93382822018-11-01 15:25:31 -0500680 if (cryptfs_check_footer() == 0) {
681 Is_Encrypted = true;
682 Is_Decrypted = false;
683 Can_Be_Mounted = false;
684 Current_File_System = "emmc";
685 Setup_Image();
Ethan Yonker93382822018-11-01 15:25:31 -0500686 DataManager::SetValue(TW_CRYPTO_PWTYPE, cryptfs_get_password_type());
Noah Jacobson81d638d2019-04-28 00:10:07 -0400687 DataManager::SetValue("tw_crypto_pwtype_0", cryptfs_get_password_type());
Ethan Yonker93382822018-11-01 15:25:31 -0500688 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
689 DataManager::SetValue("tw_crypto_display", "");
bigbiff4fa02b52021-12-30 17:01:44 -0500690 if (datamedia)
691 Setup_Data_Media();
Ethan Yonker93382822018-11-01 15:25:31 -0500692 } else {
693 gui_err("mount_data_footer=Could not mount /data and unable to find crypto footer.");
694 }
695 } else {
Matt Mower72c87ce2016-04-26 14:34:56 -0500696 Is_Encrypted = true;
697 Is_Decrypted = false;
Matt Mower72c87ce2016-04-26 14:34:56 -0500698 }
Ethan Yonker93382822018-11-01 15:25:31 -0500699 } else if (Key_Directory.empty()) {
Noah Jacobson81d638d2019-04-28 00:10:07 -0400700 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n",
701 Primary_Block_Device.c_str(), Mount_Point.c_str());
Matt Mower72c87ce2016-04-26 14:34:56 -0500702 }
703 } else {
bigbiff7ba75002020-04-11 20:47:09 -0400704 Set_FBE_Status();
Captain Throwbackacc7f0f2020-12-29 15:54:33 -0500705 int is_device_fbe;
706 DataManager::GetValue(TW_IS_FBE, is_device_fbe);
Captain Throwback8a8e56c2021-10-01 15:12:24 -0400707 char crypto_state[255];
708 property_get("ro.crypto.state", crypto_state, "error");
709 if (!Decrypt_FBE_DE() && strcmp(crypto_state, "error") != 0) {
710 if (is_device_fbe == 1)
711 LOGERR("Unable to decrypt FBE device\n");
712 } else {
713 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
bigbiff4fa02b52021-12-30 17:01:44 -0500714 if (datamedia)
715 Setup_Data_Media();
716
mauronofrio9bf73352019-11-23 22:27:34 +0100717 }
Matt Mower72c87ce2016-04-26 14:34:56 -0500718 }
719 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted))) {
720 Setup_Data_Media();
bigbiff25d25b92020-06-19 16:07:38 -0400721 Recreate_Media_Folder();
Matt Mower72c87ce2016-04-26 14:34:56 -0500722 }
723#else
724 if (datamedia) {
725 Setup_Data_Media();
726 Recreate_Media_Folder();
727 }
728#endif
729}
730
bigbiff7ba75002020-04-11 20:47:09 -0400731void TWPartition::Set_FBE_Status() {
732 DataManager::SetValue(TW_IS_DECRYPTED, 1);
733 Is_Encrypted = true;
734 Is_Decrypted = true;
bigbiff7ba75002020-04-11 20:47:09 -0400735 if (Key_Directory.empty()) {
736 Is_FBE = false;
737 DataManager::SetValue(TW_IS_FBE, 0);
738 } else {
Captain Throwbackb5af4f82020-12-29 16:01:10 -0500739 LOGINFO("Setup_Data_Partition::Key_Directory::%s\n", Key_Directory.c_str());
bigbiff7ba75002020-04-11 20:47:09 -0400740 Is_FBE = true;
741 DataManager::SetValue(TW_IS_FBE, 1);
742 }
743}
744
Ethan Yonker93382822018-11-01 15:25:31 -0500745bool TWPartition::Decrypt_FBE_DE() {
bigbiff7ba75002020-04-11 20:47:09 -0400746 if (TWFunc::Path_Exists("/data/unencrypted/key/version")) {
Captain Throwback87d73d62020-02-17 16:44:50 -0500747 DataManager::SetValue(TW_IS_FBE, 1);
Captain Throwback37c3aef2021-10-06 11:38:18 -0400748 PartitionManager.Set_Crypto_State();
749 PartitionManager.Set_Crypto_Type("file");
Ethan Yonker93382822018-11-01 15:25:31 -0500750 LOGINFO("File Based Encryption is present\n");
751#ifdef TW_INCLUDE_FBE
Noah Jacobson81d638d2019-04-28 00:10:07 -0400752 Is_FBE = true;
753 ExcludeAll(Mount_Point + "/convert_fbe");
754 ExcludeAll(Mount_Point + "/unencrypted");
755 ExcludeAll(Mount_Point + "/misc/vold/user_keys");
756 ExcludeAll(Mount_Point + "/misc/vold/volume_keys");
757 ExcludeAll(Mount_Point + "/system/gatekeeper.password.key");
758 ExcludeAll(Mount_Point + "/system/gatekeeper.pattern.key");
759 ExcludeAll(Mount_Point + "/system/locksettings.db");
760 ExcludeAll(Mount_Point + "/system/locksettings.db-wal");
761 ExcludeAll(Mount_Point + "/misc/gatekeeper");
762 ExcludeAll(Mount_Point + "/misc/keystore");
763 ExcludeAll(Mount_Point + "/drm/kek.dat");
bigbiffa957f072021-03-07 18:20:29 -0500764 ExcludeAll(Mount_Point + "/system_de/0/spblob"); // contains data needed to decrypt synthetic password
micky3872ec1df42021-10-14 14:53:06 +0200765 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.password.key");
766 ExcludeAll(Mount_Point + "/system/users/0/gatekeeper.pattern.key");
Noah Jacobson81d638d2019-04-28 00:10:07 -0400767 ExcludeAll(Mount_Point + "/cache");
768 ExcludeAll(Mount_Point + "/per_boot"); // removed each boot by init
bigbiffa15d02f2021-06-29 20:04:54 -0400769 ExcludeAll(Mount_Point + "/gsi"); // cow devices
770
Noah Jacobson81d638d2019-04-28 00:10:07 -0400771 int retry_count = 3;
772 while (!Decrypt_DE() && --retry_count)
773 usleep(2000);
774 if (retry_count > 0) {
Captain Throwback37c3aef2021-10-06 11:38:18 -0400775 PartitionManager.Set_Crypto_State();
Noah Jacobson81d638d2019-04-28 00:10:07 -0400776 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;
Captain Throwbackf74fe4f2022-02-08 12:45:01 -0500941 case TWFLAG_METADATA_ENCRYPTION:
942 // This flag isn't used by TWRP but is needed for FBEv2 metadata decryption
943 // metadata_encryption=aes-256-xts:wrappedkey_v0
944 {
945 std::string META = str;
946 size_t colon_loc = META.find(":");
947 if (colon_loc == std::string::npos) {
948 property_set("metadata.contents", META.c_str());
949 property_set("metadata.filenames", "");
950 LOGINFO("Metadata contents '%s', filenames ''\n", META.c_str());
951 break;
952 }
953 std::string META_contents, META_filenames;
954 META_contents = META.substr(0, colon_loc);
955 META_filenames = META.substr(colon_loc + 1);
956 property_set("metadata.contents", META_contents.c_str());
957 property_set("metadata.filenames", META_filenames.c_str());
958 LOGINFO("Metadata contents '%s', filenames '%s'\n", META_contents.c_str(), META_filenames.c_str());
959 }
960 break;
Peter Cai28ea7b02019-05-24 11:38:54 +0800961 case TWFLAG_WRAPPEDKEY:
bigbiff437d86f2021-09-26 16:57:14 -0400962 // no more processing needed. leaving it here in case we want to do something in the future
Peter Cai28ea7b02019-05-24 11:38:54 +0800963 break;
Matt Mower2416a502016-04-12 19:54:46 -0500964 case TWFLAG_FLASHIMG:
965 Can_Flash_Img = val;
966 break;
967 case TWFLAG_FSFLAGS:
Matt Mower4ab42b12016-04-21 13:52:18 -0500968 Process_FS_Flags(str);
Matt Mower2416a502016-04-12 19:54:46 -0500969 break;
970 case TWFLAG_IGNOREBLKID:
971 Ignore_Blkid = val;
972 break;
973 case TWFLAG_LENGTH:
974 Length = atoi(str);
975 break;
976 case TWFLAG_MOUNTTODECRYPT:
977 Mount_To_Decrypt = val;
978 break;
Captain Throwback8d97d422022-02-08 15:31:44 -0500979 case TWFLAG_QUOTA:
980 // Filesystem flag - TWRP does not need to process
981 break;
Matt Mower2416a502016-04-12 19:54:46 -0500982 case TWFLAG_REMOVABLE:
983 Removable = val;
984 break;
Matt Mower2416a502016-04-12 19:54:46 -0500985 case TWFLAG_SETTINGSSTORAGE:
986 Is_Settings_Storage = val;
987 if (Is_Settings_Storage)
988 Is_Storage = true;
989 break;
990 case TWFLAG_STORAGE:
991 Is_Storage = val;
992 break;
993 case TWFLAG_STORAGENAME:
994 Storage_Name = str;
995 break;
996 case TWFLAG_SUBPARTITIONOF:
997 Is_SubPartition = true;
998 SubPartition_Of = str;
999 break;
1000 case TWFLAG_SYMLINK:
1001 Symlink_Path = str;
1002 break;
1003 case TWFLAG_USERDATAENCRYPTBACKUP:
1004 Use_Userdata_Encryption = val;
1005 if (Use_Userdata_Encryption)
1006 Can_Encrypt_Backup = true;
1007 break;
1008 case TWFLAG_USERMRF:
1009 Use_Rm_Rf = val;
1010 break;
1011 case TWFLAG_WIPEDURINGFACTORYRESET:
1012 Wipe_During_Factory_Reset = val;
1013 if (Wipe_During_Factory_Reset) {
1014 Can_Be_Wiped = true;
1015 Wipe_Available_in_GUI = true;
1016 }
1017 break;
1018 case TWFLAG_WIPEINGUI:
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001019 case TWFLAG_FORMATTABLE:
Matt Mower2416a502016-04-12 19:54:46 -05001020 Wipe_Available_in_GUI = val;
1021 if (Wipe_Available_in_GUI)
1022 Can_Be_Wiped = true;
1023 break;
Ethan Yonker1b190162016-12-05 15:25:19 -06001024 case TWFLAG_SLOTSELECT:
1025 SlotSelect = true;
1026 break;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001027 case TWFLAG_ALTDEVICE:
1028 Alternate_Block_Device = str;
1029 break;
Peter Cai439d60c2019-10-17 08:49:10 +08001030 case TWFLAG_ADOPTED_MOUNT_DELAY:
1031 Adopted_Mount_Delay = atoi(str);
1032 break;
Ethan Yonker93382822018-11-01 15:25:31 -05001033 case TWFLAG_KEYDIRECTORY:
1034 Key_Directory = str;
bigbiffa957f072021-03-07 18:20:29 -05001035 LOGINFO("setting Key_Directory to: %s\n", Key_Directory.c_str());
bigbiffd58ba182020-03-23 10:02:29 -04001036 break;
Peter Caid68e6412019-11-02 19:22:38 +08001037 case TWFLAG_DM_USE_ORIGINAL_PATH:
1038 Use_Original_Path = true;
1039 break;
bigbiff998f8392021-08-06 19:19:33 -04001040 case TWFLAG_LOGICAL:
1041 Is_Super = true;
1042 break;
Matt Mower2416a502016-04-12 19:54:46 -05001043 default:
1044 // Should not get here
1045 LOGINFO("Flag identified for processing, but later unmatched: %i\n", flag);
1046 break;
1047 }
1048}
Dees_Troy51127312012-09-08 13:08:49 -04001049
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001050void TWPartition::Process_TW_Flags(char *flags, bool Display_Error, int fstab_ver) {
Matt Mower2416a502016-04-12 19:54:46 -05001051 char separator[2] = {'\n', 0};
1052 char *ptr, *savep;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001053 char source_separator = ';';
1054
1055 if (fstab_ver == 2)
1056 source_separator = ',';
Matt Mower2416a502016-04-12 19:54:46 -05001057
1058 // Semicolons within double-quotes are not forbidden, so replace
1059 // only the semicolons intended as separators with '\n' for strtok
1060 for (unsigned i = 0, skip = 0; i < strlen(flags); i++) {
1061 if (flags[i] == '\"')
Dees_Troya13d74f2013-03-24 08:54:55 -05001062 skip = !skip;
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001063 if (!skip && flags[i] == source_separator)
Matt Mower2416a502016-04-12 19:54:46 -05001064 flags[i] = separator[0];
Dees_Troy51127312012-09-08 13:08:49 -04001065 }
1066
Matt Mower2416a502016-04-12 19:54:46 -05001067 // Avoid issues with potentially nested strtok by using strtok_r
1068 ptr = strtok_r(flags, separator, &savep);
1069 while (ptr) {
1070 int ptr_len = strlen(ptr);
1071 const struct flag_list* tw_flag = tw_flags;
Hashcode62bd9e02013-11-19 21:59:42 -08001072
Matt Mower2416a502016-04-12 19:54:46 -05001073 for (; tw_flag->name; tw_flag++) {
1074 int flag_len = strlen(tw_flag->name);
1075
1076 if (strncmp(ptr, tw_flag->name, flag_len) == 0) {
1077 bool flag_val = false;
1078
1079 if (ptr_len > flag_len && (tw_flag->name)[flag_len-1] != '='
1080 && ptr[flag_len] != '=') {
1081 // Handle flags with same starting string
1082 // (e.g. backup and backupname)
1083 continue;
1084 } else if (ptr_len > flag_len && ptr[flag_len] == '=') {
1085 // Handle flags with dual format: Part 1
1086 // (e.g. backup and backup=y. backup=y handled here)
1087 ptr += flag_len + 1;
1088 TWFunc::Strip_Quotes(ptr);
1089 // Skip flags with empty argument
1090 // (e.g. backup=)
1091 if (strlen(ptr) == 0) {
1092 LOGINFO("Flag missing argument or should not include '=': %s=\n", tw_flag->name);
1093 break;
1094 }
1095 flag_val = strchr("yY1", *ptr) != NULL;
1096 } else if (ptr_len == flag_len
1097 && (tw_flag->name)[flag_len-1] == '=') {
1098 // Skip flags missing argument after =
1099 // (e.g. backupname=)
1100 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1101 break;
1102 } else if (ptr_len > flag_len
1103 && (tw_flag->name)[flag_len-1] == '=') {
1104 // Handle arguments to flags
1105 // (e.g. backupname="My Stuff")
1106 ptr += flag_len;
1107 TWFunc::Strip_Quotes(ptr);
1108 // Skip flags with empty argument
1109 // (e.g. backupname="")
1110 if (strlen(ptr) == 0) {
1111 LOGINFO("Flag missing argument: %s\n", tw_flag->name);
1112 break;
1113 }
1114 } else if (ptr_len == flag_len) {
1115 // Handle flags with dual format: Part 2
1116 // (e.g. backup and backup=y. backup handled here)
1117 flag_val = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001118 } else {
Matt Mower2416a502016-04-12 19:54:46 -05001119 LOGINFO("Flag matched, but could not be processed: %s\n", ptr);
1120 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001121 }
Matt Mower2416a502016-04-12 19:54:46 -05001122
1123 Apply_TW_Flag(tw_flag->flag, ptr, flag_val);
1124 break;
Ethan Yonker96af84a2015-01-05 14:58:36 -06001125 }
Matt Mower2416a502016-04-12 19:54:46 -05001126 }
1127 if (tw_flag->name == 0) {
Dees_Troy51127312012-09-08 13:08:49 -04001128 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001129 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001130 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001131 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -04001132 }
Matt Mower2416a502016-04-12 19:54:46 -05001133 ptr = strtok_r(NULL, separator, &savep);
Dees_Troy51127312012-09-08 13:08:49 -04001134 }
Dees_Troy51a0e822012-09-05 15:24:24 -04001135}
1136
Dees_Troy5bf43922012-09-07 16:07:55 -04001137bool TWPartition::Is_File_System(string File_System) {
1138 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -04001139 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001140 File_System == "ext4" ||
1141 File_System == "vfat" ||
1142 File_System == "ntfs" ||
1143 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -05001144 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +00001145 File_System == "f2fs" ||
GarfieldHanc60a2082021-11-21 23:46:20 +08001146 File_System == "erofs" ||
Erfan Abdib859e912019-02-05 18:18:46 +02001147 File_System == "squashfs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -04001148 File_System == "auto")
1149 return true;
1150 else
1151 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001152}
1153
Dees_Troy5bf43922012-09-07 16:07:55 -04001154bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -04001155 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -04001156 return true;
1157 else
1158 return false;
1159}
1160
Dees_Troy51127312012-09-08 13:08:49 -04001161bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Ethan Yonker93ac7a02016-11-07 22:05:58 -06001162 if (TWFunc::Get_D_Type_From_Stat(Path) != S_IFDIR)
1163 unlink(Path.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001164 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -04001165 if (mkdir(Path.c_str(), 0777) == -1) {
1166 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001167 gui_msg(Msg(msg::kError, "create_folder_strerr=Can not create '{1}' folder ({2}).")(Path)(strerror(errno)));
Dees_Troy51127312012-09-08 13:08:49 -04001168 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001169 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001170 return false;
1171 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001172 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001173 return true;
1174 }
1175 }
1176 return true;
1177}
1178
Dees_Troy5bf43922012-09-07 16:07:55 -04001179void TWPartition::Setup_File_System(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001180 Can_Be_Mounted = true;
1181 Can_Be_Wiped = true;
1182
Dees_Troy5bf43922012-09-07 16:07:55 -04001183 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -04001184 Make_Dir(Mount_Point, Display_Error);
bigbiffce8f83c2015-12-12 18:30:21 -05001185 Backup_Method = BM_FILES;
Dees_Troy5bf43922012-09-07 16:07:55 -04001186}
1187
Ethan Yonker1b190162016-12-05 15:25:19 -06001188void TWPartition::Setup_Image() {
Dees_Troy5bf43922012-09-07 16:07:55 -04001189 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
1190 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -08001191 if (Current_File_System == "emmc")
bigbiffce8f83c2015-12-12 18:30:21 -05001192 Backup_Method = BM_DD;
Gary Peck82599a82012-11-21 16:23:12 -08001193 else if (Current_File_System == "mtd" || Current_File_System == "bml")
bigbiffce8f83c2015-12-12 18:30:21 -05001194 Backup_Method = BM_FLASH_UTILS;
Dees_Troy5bf43922012-09-07 16:07:55 -04001195 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001196 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 -04001197}
1198
Dees_Troye58d5262012-09-21 12:27:57 -04001199void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -05001200 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -04001201 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -05001202 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -04001203 Has_Android_Secure = true;
1204 Symlink_Path = Mount_Point + "/.android_secure";
1205 Symlink_Mount_Point = "/and-sec";
1206 Backup_Path = Symlink_Mount_Point;
1207 Make_Dir("/and-sec", true);
1208 Recreate_AndSec_Folder();
Kjell Braden3126a112016-06-19 16:58:15 +00001209 Mount_Storage_Retry(true);
Dees_Troye58d5262012-09-21 12:27:57 -04001210}
1211
that9e0593e2014-10-08 00:01:24 +02001212void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -05001213 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
Ethan Yonker66a19492015-12-10 10:19:45 -06001214 if (Storage_Name.empty() || Storage_Name == "Data")
1215 Storage_Name = "Internal Storage";
Ethan Yonker6277c792014-09-15 14:54:30 -05001216 Has_Data_Media = true;
1217 Is_Storage = true;
Ethan Yonker66a19492015-12-10 10:19:45 -06001218 Storage_Path = Mount_Point + "/media";
Ethan Yonker6277c792014-09-15 14:54:30 -05001219 Symlink_Path = Storage_Path;
Ethan Yonker66a19492015-12-10 10:19:45 -06001220 if (Mount_Point == "/data") {
1221 Is_Settings_Storage = true;
1222 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
1223 Make_Dir("/emmc", false);
1224 Symlink_Mount_Point = "/emmc";
1225 } else {
1226 Make_Dir("/sdcard", false);
1227 Symlink_Mount_Point = "/sdcard";
1228 }
bigbiff4fa02b52021-12-30 17:01:44 -05001229 Mount(false);
1230 if (TWFunc::Path_Exists(Mount_Point + "/media/0")) {
Ethan Yonker66a19492015-12-10 10:19:45 -06001231 Storage_Path = Mount_Point + "/media/0";
1232 Symlink_Path = Storage_Path;
1233 DataManager::SetValue(TW_INTERNAL_PATH, Mount_Point + "/media/0");
1234 UnMount(true);
1235 }
1236 DataManager::SetValue("tw_has_internal", 1);
1237 DataManager::SetValue("tw_has_data_media", 1);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06001238 backup_exclusions.add_absolute_dir("/data/data/com.google.android.music/files");
bigbiff25d25b92020-06-19 16:07:38 -04001239 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 +01001240 backup_exclusions.add_absolute_dir("/data/vendor/dumpsys");
bigbiff25d25b92020-06-19 16:07:38 -04001241 backup_exclusions.add_absolute_dir("/data/cache");
nijel87e5bc9b2022-01-14 10:01:32 -05001242 backup_exclusions.add_absolute_dir("/data/misc/apexdata/com.android.art"); // exclude this dir to prevent "error 255" on AOSP Android 12
Ethan Yonker6355b562017-05-01 09:42:17 -05001243 wipe_exclusions.add_absolute_dir(Mount_Point + "/misc/vold"); // adopted storage keys
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001244 ExcludeAll(Mount_Point + "/system/storage.xml");
Ethan Yonker6277c792014-09-15 14:54:30 -05001245 } else {
nkk717aa6fc62017-03-24 18:28:03 +02001246 int i;
1247 string path;
1248 for (i = 2; i <= 9; i++) {
1249 path = "/sdcard" + TWFunc::to_string(i);
1250 if (!TWFunc::Path_Exists(path)) {
1251 Make_Dir(path, false);
1252 Symlink_Mount_Point = path;
1253 LOGINFO("'%s' data/media emulated storage symlinked to %s.\n", Mount_Point.c_str(), Symlink_Mount_Point.c_str());
1254 break;
1255 }
1256 }
Ethan Yonker66a19492015-12-10 10:19:45 -06001257 if (Mount(true) && TWFunc::Path_Exists(Mount_Point + "/media/0")) {
1258 Storage_Path = Mount_Point + "/media/0";
1259 Symlink_Path = Storage_Path;
1260 UnMount(true);
1261 }
Ethan Yonker6277c792014-09-15 14:54:30 -05001262 }
Ethan Yonker79f88bd2016-12-09 14:52:12 -06001263 ExcludeAll(Mount_Point + "/media");
Ethan Yonker6277c792014-09-15 14:54:30 -05001264}
1265
Dees_Troy5bf43922012-09-07 16:07:55 -04001266void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001267 char device[PATH_MAX], realDevice[PATH_MAX];
Dees_Troy5bf43922012-09-07 16:07:55 -04001268
Peter Caid68e6412019-11-02 19:22:38 +08001269 Original_Path = Block;
1270
Dees_Troy5bf43922012-09-07 16:07:55 -04001271 strcpy(device, Block.c_str());
1272 memset(realDevice, 0, sizeof(realDevice));
1273 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
1274 {
1275 strcpy(device, realDevice);
1276 memset(realDevice, 0, sizeof(realDevice));
1277 }
1278
bigbiff998f8392021-08-06 19:19:33 -04001279 Block = device;
1280 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04001281}
1282
Kjell Braden3126a112016-06-19 16:58:15 +00001283bool TWPartition::Mount_Storage_Retry(bool Display_Error) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001284 // On some devices, storage doesn't want to mount right away, retry and sleep
Kjell Braden3126a112016-06-19 16:58:15 +00001285 if (!Mount(Display_Error)) {
Dees_Troy8e337f32012-10-13 22:07:49 -04001286 int retry_count = 5;
1287 while (retry_count > 0 && !Mount(false)) {
1288 usleep(500000);
1289 retry_count--;
1290 }
Kjell Braden3126a112016-06-19 16:58:15 +00001291 return Mount(Display_Error);
Dees_Troy8e337f32012-10-13 22:07:49 -04001292 }
Kjell Braden3126a112016-06-19 16:58:15 +00001293 return true;
Dees_Troy8e337f32012-10-13 22:07:49 -04001294}
1295
Dees_Troy38bd7602012-09-14 13:33:53 -04001296bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
1297 FILE *fp = NULL;
1298 char line[255];
1299
1300 fp = fopen("/proc/mtd", "rt");
1301 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001302 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001303 return false;
1304 }
1305
1306 while (fgets(line, sizeof(line), fp) != NULL)
1307 {
1308 char device[32], label[32];
1309 unsigned long size = 0;
Dees_Troy38bd7602012-09-14 13:33:53 -04001310 int deviceId;
1311
1312 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
1313
1314 // Skip header and blank lines
1315 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
1316 continue;
1317
1318 // Strip off the trailing " from the label
1319 label[strlen(label)-1] = '\0';
1320
1321 if (strcmp(label, MTD_Name.c_str()) == 0) {
1322 // We found our device
1323 // Strip off the trailing : from the device
1324 device[strlen(device)-1] = '\0';
1325 if (sscanf(device,"mtd%d", &deviceId) == 1) {
1326 sprintf(device, "/dev/block/mtdblock%d", deviceId);
1327 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +00001328 fclose(fp);
1329 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001330 }
1331 }
1332 }
1333 fclose(fp);
1334
1335 return false;
1336}
1337
Dees_Troy51127312012-09-08 13:08:49 -04001338bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
1339 struct statfs st;
1340 string Local_Path = Mount_Point + "/.";
1341
1342 if (!Mount(Display_Error))
1343 return false;
1344
1345 if (statfs(Local_Path.c_str(), &st) != 0) {
1346 if (!Removable) {
1347 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001348 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001349 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001350 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -04001351 }
1352 return false;
1353 }
1354 Size = (st.f_blocks * st.f_bsize);
1355 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
1356 Free = (st.f_bfree * st.f_bsize);
1357 Backup_Size = Used;
1358 return true;
1359}
1360
1361bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001362 FILE* fp;
1363 char command[255], line[512];
1364 int include_block = 1;
1365 unsigned int min_len;
1366
1367 if (!Mount(Display_Error))
1368 return false;
1369
Dees_Troy38bd7602012-09-14 13:33:53 -04001370 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -04001371 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001372 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -04001373 fp = fopen("/tmp/dfoutput.txt", "rt");
1374 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001375 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -04001376 return false;
Dees_Troy51127312012-09-08 13:08:49 -04001377 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001378
1379 while (fgets(line, sizeof(line), fp) != NULL)
1380 {
1381 unsigned long blocks, used, available;
1382 char device[64];
1383 char tmpString[64];
1384
1385 if (strncmp(line, "Filesystem", 10) == 0)
1386 continue;
1387 if (strlen(line) < min_len) {
1388 include_block = 0;
1389 continue;
1390 }
1391 if (include_block) {
1392 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
1393 } else {
1394 // The device block string is so long that the df information is on the next line
1395 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -04001396 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001397 while (tmpString[space_count] == 32)
1398 space_count++;
1399 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
1400 }
1401
1402 // Adjust block size to byte size
1403 Size = blocks * 1024ULL;
1404 Used = used * 1024ULL;
1405 Free = available * 1024ULL;
1406 Backup_Size = Used;
1407 }
1408 fclose(fp);
1409 return true;
1410}
1411
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001412unsigned long long TWPartition::IOCTL_Get_Block_Size() {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001413 Find_Actual_Block_Device();
Ethan Yonker483e9f42016-01-11 22:21:18 -06001414
1415 return TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001416}
1417
Dees_Troy5bf43922012-09-07 16:07:55 -04001418bool TWPartition::Find_Partition_Size(void) {
1419 FILE* fp;
1420 char line[512];
1421 string tmpdevice;
1422
igoriok87e3d932013-01-31 21:03:53 +02001423 fp = fopen("/proc/dumchar_info", "rt");
1424 if (fp != NULL) {
1425 while (fgets(line, sizeof(line), fp) != NULL)
1426 {
1427 char label[32], device[32];
1428 unsigned long size = 0;
1429
thatd43bf2d2014-09-21 23:13:02 +02001430 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +02001431
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001432 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +02001433 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
1434 continue;
1435
1436 tmpdevice = "/dev/";
1437 tmpdevice += label;
1438 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
1439 Size = size;
1440 fclose(fp);
1441 return true;
1442 }
1443 }
1444 }
1445
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001446 unsigned long long ioctl_size = IOCTL_Get_Block_Size();
1447 if (ioctl_size) {
1448 Size = ioctl_size;
1449 return true;
1450 }
1451
Dees_Troy5bf43922012-09-07 16:07:55 -04001452 // In this case, we'll first get the partitions we care about (with labels)
1453 fp = fopen("/proc/partitions", "rt");
1454 if (fp == NULL)
1455 return false;
1456
1457 while (fgets(line, sizeof(line), fp) != NULL)
1458 {
1459 unsigned long major, minor, blocks;
1460 char device[512];
Dees_Troy5bf43922012-09-07 16:07:55 -04001461
Dees_Troy63c8df72012-09-10 14:02:05 -04001462 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -04001463 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
1464
1465 tmpdevice = "/dev/block/";
1466 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -04001467 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001468 // Adjust block size to byte size
1469 Size = blocks * 1024ULL;
1470 fclose(fp);
1471 return true;
1472 }
1473 }
1474 fclose(fp);
1475 return false;
1476}
1477
Dees_Troy5bf43922012-09-07 16:07:55 -04001478bool TWPartition::Is_Mounted(void) {
1479 if (!Can_Be_Mounted)
1480 return false;
1481
1482 struct stat st1, st2;
1483 string test_path;
1484
1485 // Check to see if the mount point directory exists
1486 test_path = Mount_Point + "/.";
1487 if (stat(test_path.c_str(), &st1) != 0) return false;
1488
1489 // Check to see if the directory above the mount point exists
1490 test_path = Mount_Point + "/../.";
1491 if (stat(test_path.c_str(), &st2) != 0) return false;
1492
1493 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
1494 int ret = (st1.st_dev != st2.st_dev) ? true : false;
Dees_Troy5bf43922012-09-07 16:07:55 -04001495 return ret;
1496}
1497
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001498bool TWPartition::Is_File_System_Writable(void) {
1499 if (!Is_File_System(Current_File_System) || !Is_Mounted())
1500 return false;
1501
1502 string test_path = Mount_Point + "/.";
1503 return (access(test_path.c_str(), W_OK) == 0);
1504}
1505
Dees_Troy5bf43922012-09-07 16:07:55 -04001506bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001507 int exfat_mounted = 0;
Martin Dünkelmann6d843782018-12-27 23:40:28 +01001508 unsigned int flags = Mount_Flags;
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001509
Dees_Troy5bf43922012-09-07 16:07:55 -04001510 if (Is_Mounted()) {
1511 return true;
1512 } else if (!Can_Be_Mounted) {
1513 return false;
1514 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001515
1516 Find_Actual_Block_Device();
1517
1518 // Check the current file system before mounting
1519 Check_FS_Type();
bigbiffad58e1b2020-07-06 20:24:34 -04001520 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/exfat-fuse")) {
1521 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 +00001522 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001523 string result;
bigbiffad58e1b2020-07-06 20:24:34 -04001524 if (TWFunc::Exec_Cmd(cmd, result, false) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001525 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001526 Current_File_System = "vfat";
1527 } else {
1528#ifdef TW_NO_EXFAT_FUSE
1529 UnMount(false);
1530 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
1531 // Some kernels let us mount vfat as exfat which doesn't work out too well
1532#else
1533 exfat_mounted = 1;
1534#endif
1535 }
1536 }
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001537
Captain Throwback47bf7202020-10-06 17:39:39 -04001538 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 -05001539 string cmd;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001540 string Ntfsmount_Binary = "";
1541
bigbiffad58e1b2020-07-06 20:24:34 -04001542 if (TWFunc::Path_Exists("/system/bin/ntfs-3g"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001543 Ntfsmount_Binary = "ntfs-3g";
bigbiffad58e1b2020-07-06 20:24:34 -04001544 else if (TWFunc::Path_Exists("/system/bin/mount.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001545 Ntfsmount_Binary = "mount.ntfs";
1546
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001547 if (Mount_Read_Only)
bigbiffad58e1b2020-07-06 20:24:34 -04001548 cmd = "/system/bin/" + Ntfsmount_Binary + " -o ro " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001549 else
bigbiffad58e1b2020-07-06 20:24:34 -04001550 cmd = "/system/bin/" + Ntfsmount_Binary + " " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001551 LOGINFO("cmd: '%s'\n", cmd.c_str());
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001552
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001553 if (TWFunc::Exec_Cmd(cmd) == 0) {
1554 return true;
1555 } else {
1556 LOGINFO("ntfs-3g failed to mount, trying regular mount method.\n");
1557 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001558 } else {
1559 if (Current_File_System == "ntfs" && TWFunc::Path_Exists("/sys/module/tntfs"))
1560 Current_File_System = "tntfs";
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001561 }
1562
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001563 if (Mount_Read_Only)
1564 flags |= MS_RDONLY;
1565
Dees_Troy22042032012-12-18 21:23:08 +00001566 if (Fstab_File_System == "yaffs2") {
1567 // mount an MTD partition as a YAFFS2 filesystem.
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001568 flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
1569 if (Mount_Read_Only)
1570 flags |= MS_RDONLY;
Dees_Troy76543db2013-06-19 16:24:30 +00001571 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
1572 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
1573 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001574 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001575 else
1576 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1577 return false;
1578 } else {
1579 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
1580 return true;
1581 }
1582 } else {
1583 struct stat st;
1584 string test_path = Mount_Point;
1585 if (stat(test_path.c_str(), &st) < 0) {
1586 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001587 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001588 else
1589 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1590 return false;
1591 }
1592 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
1593 if (new_mode != st.st_mode) {
1594 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
1595 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
1596 if (Display_Error)
1597 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1598 else
1599 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1600 return false;
1601 }
1602 }
Dees_Troy22042032012-12-18 21:23:08 +00001603 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001604 }
thatc7572eb2015-03-31 18:55:30 +02001605 }
1606
1607 string mount_fs = Current_File_System;
1608 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sys/module/texfat"))
1609 mount_fs = "texfat";
1610
1611 if (!exfat_mounted &&
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001612 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, Mount_Options.c_str()) != 0 &&
1613 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001614#ifdef TW_NO_EXFAT_FUSE
1615 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001616 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001617 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001618 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001619 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy85f44ed2013-01-09 18:42:36 +00001620 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001621 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001622 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 +00001623 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001624 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001625 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001626#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001627 if (!Removable && Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001628 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001629 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001630 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1631 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 +00001632 return false;
1633#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001634 }
1635#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001636 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001637
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001638 if (Removable)
1639 Update_Size(Display_Error);
1640
bigbiff4fa02b52021-12-30 17:01:44 -05001641 if (!Symlink_Mount_Point.empty()) {
bigbiffbe4f46c2021-04-24 11:48:54 -04001642 if (!Bind_Mount(false))
1643 return false;
1644 }
1645 return true;
1646}
1647
1648bool TWPartition::Bind_Mount(bool Display_Error) {
1649 if (TWFunc::Path_Exists(Symlink_Path)) {
1650 if (mount(Symlink_Path.c_str(), Symlink_Mount_Point.c_str(), "", MS_BIND, NULL) < 0) {
1651 return false;
1652 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001653 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001654 return true;
1655}
1656
1657bool TWPartition::UnMount(bool Display_Error) {
1658 if (Is_Mounted()) {
1659 int never_unmount_system;
1660
1661 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
Captain Throwback9d6feb52018-07-27 10:05:24 -04001662 if (never_unmount_system == 1 && Mount_Point == PartitionManager.Get_Android_Root_Path())
Dees_Troy5bf43922012-09-07 16:07:55 -04001663 return true; // Never unmount system if you're not supposed to unmount it
1664
Matt Mowera8e6d832017-02-14 20:20:59 -06001665 if (Is_Storage && MTP_Storage_ID > 0)
Ethan Yonker726a0202014-12-16 20:01:38 -06001666 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001667
Dees_Troy38bd7602012-09-14 13:33:53 -04001668 if (!Symlink_Mount_Point.empty())
1669 umount(Symlink_Mount_Point.c_str());
1670
Dees_Troyb05ddee2013-01-28 20:24:50 +00001671 umount(Mount_Point.c_str());
1672 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001673 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001674 gui_msg(Msg(msg::kError, "fail_unmount=Failed to unmount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy5bf43922012-09-07 16:07:55 -04001675 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001676 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001677 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001678 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001679 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001680 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001681 } else {
1682 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001683 }
1684}
1685
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05001686bool TWPartition::ReMount(bool Display_Error) {
1687 if (UnMount(Display_Error))
1688 return Mount(Display_Error);
1689 return false;
1690}
1691
1692bool TWPartition::ReMount_RW(bool Display_Error) {
1693 // No need to remount if already mounted rw
1694 if (Is_File_System_Writable())
1695 return true;
1696
1697 bool ro = Mount_Read_Only;
1698 int flags = Mount_Flags;
1699
1700 Mount_Read_Only = false;
1701 Mount_Flags &= ~MS_RDONLY;
1702
1703 bool ret = ReMount(Display_Error);
1704
1705 Mount_Read_Only = ro;
1706 Mount_Flags = flags;
1707
1708 return ret;
1709}
1710
Gary Peck43acadf2012-11-21 21:19:01 -08001711bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001712 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b312013-01-15 16:51:18 +00001713 int check;
Dees_Troy16c2b312013-01-15 16:51:18 +00001714
Dees_Troy38bd7602012-09-14 13:33:53 -04001715 if (!Can_Be_Wiped) {
Matt Mower3c366972015-12-25 19:28:31 -06001716 gui_msg(Msg(msg::kError, "cannot_wipe=Partition {1} cannot be wiped.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001717 return false;
1718 }
1719
Dees_Troyc51f1f92012-09-20 15:32:13 -04001720 if (Mount_Point == "/cache")
Dees_Troy2673cec2013-04-02 20:22:16 +00001721 Log_Offset = 0;
Dees_Troyc51f1f92012-09-20 15:32:13 -04001722
bigbiff4a60bee2021-01-23 14:08:03 -05001723 if (Mount_Point == PartitionManager.Get_Android_Root_Path()) {
1724 if (tw_get_default_metadata(PartitionManager.Get_Android_Root_Path().c_str()) != 0) {
1725 gui_msg(Msg(msg::kWarning, "restore_system_context=Unable to get default context for {1} -- Android may not boot.")(PartitionManager.Get_Android_Root_Path()));
1726 }
1727 }
1728
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001729 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001730 wiped = Wipe_Data_Without_Wiping_Media();
bigbiff25d25b92020-06-19 16:07:38 -04001731 if (Mount_Point == "/data" && TWFunc::get_log_dir() == DATA_LOGS_DIR) {
1732 bool created = PartitionManager.Recreate_Logs_Dir();
1733 if (!created)
1734 LOGERR("Unable to create log directory for TWRP\n");
bigbiff7ba75002020-04-11 20:47:09 -04001735 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001736 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001737 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001738 DataManager::GetValue(TW_RM_RF_VAR, check);
Hashcodedabfd492013-08-29 22:45:30 -07001739 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001740 wiped = Wipe_RMRF();
1741 else if (New_File_System == "ext4")
1742 wiped = Wipe_EXT4();
1743 else if (New_File_System == "ext2" || New_File_System == "ext3")
dianlujitao4879b372018-12-03 18:45:47 +08001744 wiped = Wipe_EXTFS(New_File_System);
Dees_Troy16c2b312013-01-15 16:51:18 +00001745 else if (New_File_System == "exfat")
1746 wiped = Wipe_EXFAT();
Captain Throwback47bf7202020-10-06 17:39:39 -04001747 else if (New_File_System == "ntfs" || Current_File_System == "tntfs")
1748 wiped = Wipe_NTFS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001749 else if (New_File_System == "yaffs2")
1750 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001751 else if (New_File_System == "f2fs")
1752 wiped = Wipe_F2FS();
Captain Throwback47bf7202020-10-06 17:39:39 -04001753 else if (New_File_System == "vfat")
1754 wiped = Wipe_FAT();
Dees_Troy16c2b312013-01-15 16:51:18 +00001755 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001756 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 +00001757 return false;
1758 }
1759 update_crypt = wiped;
bigbiff7ba75002020-04-11 20:47:09 -04001760 update_crypt = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001761 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001762
Gary Pecke8bc5d72012-12-21 06:45:25 -08001763 if (wiped) {
Mohd Faraze1d72622020-06-15 00:28:32 +05301764 if (Mount_Point == "/cache" && TWFunc::get_log_dir() != DATA_LOGS_DIR)
1765 DataManager::Output_Version();
1766
bigbiff4a60bee2021-01-23 14:08:03 -05001767 if (Mount_Point == PartitionManager.Get_Android_Root_Path()) {
1768 tw_set_default_metadata(PartitionManager.Get_Android_Root_Path().c_str());
1769 }
Dees_Troy16c2b312013-01-15 16:51:18 +00001770 if (update_crypt) {
1771 Setup_File_System(false);
1772 if (Is_Encrypted && !Is_Decrypted) {
1773 // just wiped an encrypted partition back to its unencrypted state
1774 Is_Encrypted = false;
1775 Is_Decrypted = false;
1776 Decrypted_Block_Device = "";
1777 if (Mount_Point == "/data") {
1778 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1779 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1780 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001781 }
1782 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001783
Captain Throwback63573b52021-10-02 20:47:33 -04001784 if (Is_Storage && Mount(false) && !Is_FBE)
bigbiffbe4f46c2021-04-24 11:48:54 -04001785 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Gary Pecke8bc5d72012-12-21 06:45:25 -08001786 }
Matt Mower209c9632016-01-20 12:08:35 -06001787
Gary Pecke8bc5d72012-12-21 06:45:25 -08001788 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001789}
1790
Gary Peck43acadf2012-11-21 21:19:01 -08001791bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001792 if (Is_File_System(Current_File_System))
1793 return Wipe(Current_File_System);
1794 else
1795 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001796}
1797
Dees_Troye58d5262012-09-21 12:27:57 -04001798bool TWPartition::Wipe_AndSec(void) {
1799 if (!Has_Android_Secure)
1800 return false;
1801
Dees_Troye58d5262012-09-21 12:27:57 -04001802 if (!Mount(true))
1803 return false;
1804
Ethan Yonker74db1572015-10-28 12:44:49 -05001805 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001806 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001807 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001808}
1809
bigbiffaed1bdf2021-08-03 18:21:39 -04001810bool TWPartition::Wipe_Data_Cache(void) {
1811 if (!Mount(true))
1812 return false;
1813 gui_msg(Msg("wiping=Wiping {1}")(Mount_Point + "/cache/"));
1814 TWFunc::removeDir(Mount_Point + "/cache/", true);
1815 return true;
1816}
1817
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001818bool TWPartition::Can_Repair() {
Ethan Yonkera2719152015-05-28 09:44:41 -05001819 if (Mount_Read_Only)
1820 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001821 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/system/bin/fsck.fat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001822 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001823 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 -05001824 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001825 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/system/bin/fsck.exfat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001826 return true;
bigbiffad58e1b2020-07-06 20:24:34 -04001827 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/system/bin/fsck.f2fs"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001828 return true;
Captain Throwback47bf7202020-10-06 17:39:39 -04001829 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 -05001830 return true;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001831 return false;
1832}
1833
1834bool TWPartition::Repair() {
1835 string command;
1836
1837 if (Current_File_System == "vfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001838 if (!TWFunc::Path_Exists("/system/bin/fsck.fat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001839 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001840 return false;
1841 }
1842 if (!UnMount(true))
1843 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001844 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001845 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001846 command = "/system/bin/fsck.fat -y " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001847 LOGINFO("Repair command: %s\n", command.c_str());
1848 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001849 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001850 return true;
1851 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001852 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001853 return false;
1854 }
1855 }
1856 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
bigbiffad58e1b2020-07-06 20:24:34 -04001857 if (!TWFunc::Path_Exists("/system/bin/e2fsck")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001858 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001859 return false;
1860 }
1861 if (!UnMount(true))
1862 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001863 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001864 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001865 command = "/system/bin/e2fsck -fp " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001866 LOGINFO("Repair command: %s\n", command.c_str());
1867 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001868 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001869 return true;
1870 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001871 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001872 return false;
1873 }
1874 }
1875 if (Current_File_System == "exfat") {
bigbiffad58e1b2020-07-06 20:24:34 -04001876 if (!TWFunc::Path_Exists("/system/bin/fsck.exfat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001877 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001878 return false;
1879 }
1880 if (!UnMount(true))
1881 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001882 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001883 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001884 command = "/system/bin/fsck.exfat " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001885 LOGINFO("Repair command: %s\n", command.c_str());
1886 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001887 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001888 return true;
1889 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001890 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001891 return false;
1892 }
1893 }
1894 if (Current_File_System == "f2fs") {
bigbiffad58e1b2020-07-06 20:24:34 -04001895 if (!TWFunc::Path_Exists("/system/bin/fsck.f2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001896 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001897 return false;
1898 }
1899 if (!UnMount(true))
1900 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001901 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001902 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001903 command = "/system/bin/fsck.f2fs " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001904 LOGINFO("Repair command: %s\n", command.c_str());
1905 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001906 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001907 return true;
1908 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001909 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001910 return false;
1911 }
1912 }
Captain Throwback47bf7202020-10-06 17:39:39 -04001913 if (Current_File_System == "ntfs" || Current_File_System == "tntfs") {
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001914 string Ntfsfix_Binary;
bigbiffad58e1b2020-07-06 20:24:34 -04001915 if (TWFunc::Path_Exists("/system/bin/ntfsfix"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001916 Ntfsfix_Binary = "ntfsfix";
bigbiffad58e1b2020-07-06 20:24:34 -04001917 else if (TWFunc::Path_Exists("/system/bin/fsck.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001918 Ntfsfix_Binary = "fsck.ntfs";
1919 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001920 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("ntfsfix"));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001921 return false;
1922 }
1923 if (!UnMount(true))
1924 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001925 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)(Ntfsfix_Binary));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001926 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001927 command = "/system/bin/" + Ntfsfix_Binary + " " + Actual_Block_Device;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001928 LOGINFO("Repair command: %s\n", command.c_str());
1929 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001930 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001931 return true;
1932 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001933 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001934 return false;
1935 }
1936 }
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001937 return false;
1938}
1939
Ethan Yonkera2719152015-05-28 09:44:41 -05001940bool TWPartition::Can_Resize() {
1941 if (Mount_Read_Only)
1942 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04001943 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 -05001944 return true;
1945 return false;
1946}
1947
1948bool TWPartition::Resize() {
1949 string command;
1950
1951 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1952 if (!Can_Repair()) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001953 LOGINFO("Cannot resize %s because %s cannot be repaired before resizing.\n", Display_Name.c_str(), Display_Name.c_str());
1954 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001955 return false;
1956 }
bigbiffad58e1b2020-07-06 20:24:34 -04001957 if (!TWFunc::Path_Exists("/system/bin/resize2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001958 LOGINFO("resize2fs does not exist! Cannot resize!\n");
1959 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001960 return false;
1961 }
1962 // Repair will unmount so no need to do it twice
Ethan Yonker74db1572015-10-28 12:44:49 -05001963 gui_msg(Msg("repair_resize=Repairing {1} before resizing.")( Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001964 if (!Repair())
1965 return false;
Ethan Yonker74db1572015-10-28 12:44:49 -05001966 gui_msg(Msg("resizing=Resizing {1} using {2}...")(Display_Name)("resize2fs"));
Ethan Yonkera2719152015-05-28 09:44:41 -05001967 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04001968 command = "/system/bin/resize2fs " + Actual_Block_Device;
Ethan Yonkera2719152015-05-28 09:44:41 -05001969 if (Length != 0) {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001970 unsigned long long Actual_Size = IOCTL_Get_Block_Size();
1971 if (Actual_Size == 0)
1972 return false;
Ethan Yonkera2719152015-05-28 09:44:41 -05001973
Ethan Yonkera2719152015-05-28 09:44:41 -05001974 unsigned long long Block_Count;
1975 if (Length < 0) {
1976 // Reduce overall size by this length
1977 Block_Count = (Actual_Size / 1024LLU) - ((unsigned long long)(Length * -1) / 1024LLU);
1978 } else {
1979 // This is the size, not a size reduction
1980 Block_Count = ((unsigned long long)(Length) / 1024LLU);
1981 }
1982 char temp[256];
1983 sprintf(temp, "%llu", Block_Count);
1984 command += " ";
1985 command += temp;
1986 command += "K";
1987 }
1988 LOGINFO("Resize command: %s\n", command.c_str());
1989 if (TWFunc::Exec_Cmd(command) == 0) {
1990 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001991 gui_msg("done=Done.");
Ethan Yonkera2719152015-05-28 09:44:41 -05001992 return true;
1993 } else {
1994 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001995 gui_msg(Msg(msg::kError, "unable_resize=Unable to resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001996 return false;
1997 }
1998 }
1999 return false;
2000}
2001
bigbiffce8f83c2015-12-12 18:30:21 -05002002bool TWPartition::Backup(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
2003 if (Backup_Method == BM_FILES)
2004 return Backup_Tar(part_settings, tar_fork_pid);
2005 else if (Backup_Method == BM_DD)
2006 return Backup_Image(part_settings);
2007 else if (Backup_Method == BM_FLASH_UTILS)
2008 return Backup_Dump_Image(part_settings);
Dees_Troy2673cec2013-04-02 20:22:16 +00002009 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04002010 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002011}
2012
bigbiffce8f83c2015-12-12 18:30:21 -05002013bool TWPartition::Restore(PartitionSettings *part_settings) {
Matt Mower3c366972015-12-25 19:28:31 -06002014 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002015 LOGINFO("Restore filename is: %s/%s\n", part_settings->Backup_Folder.c_str(), Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08002016
bigbiffce8f83c2015-12-12 18:30:21 -05002017 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002018
2019 if (Is_File_System(Restore_File_System))
bigbiffce8f83c2015-12-12 18:30:21 -05002020 return Restore_Tar(part_settings);
2021 else if (Is_Image(Restore_File_System))
2022 return Restore_Image(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002023
2024 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
2025 return false;
2026}
2027
bigbiffce8f83c2015-12-12 18:30:21 -05002028string TWPartition::Get_Restore_File_System(PartitionSettings *part_settings) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002029 size_t first_period, second_period;
2030 string Restore_File_System;
2031
Gary Peck43acadf2012-11-21 21:19:01 -08002032 // Parse backup filename to extract the file system before wiping
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002033 first_period = Backup_FileName.find(".");
Gary Peck43acadf2012-11-21 21:19:01 -08002034 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002035 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02002036 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08002037 }
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002038 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
Gary Peck43acadf2012-11-21 21:19:01 -08002039 second_period = Restore_File_System.find(".");
2040 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002041 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02002042 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08002043 }
2044 Restore_File_System.resize(second_period);
Matt Mowera0cd91d2016-12-30 18:21:42 -06002045 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002046 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04002047}
2048
2049string TWPartition::Backup_Method_By_Name() {
bigbiffce8f83c2015-12-12 18:30:21 -05002050 if (Backup_Method == BM_NONE)
Dees_Troy38bd7602012-09-14 13:33:53 -04002051 return "none";
bigbiffce8f83c2015-12-12 18:30:21 -05002052 else if (Backup_Method == BM_FILES)
Dees_Troy38bd7602012-09-14 13:33:53 -04002053 return "files";
bigbiffce8f83c2015-12-12 18:30:21 -05002054 else if (Backup_Method == BM_DD)
Dees_Troy38bd7602012-09-14 13:33:53 -04002055 return "dd";
bigbiffce8f83c2015-12-12 18:30:21 -05002056 else if (Backup_Method == BM_FLASH_UTILS)
Dees_Troy38bd7602012-09-14 13:33:53 -04002057 return "flash_utils";
2058 else
2059 return "undefined";
2060 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04002061}
2062
2063bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002064 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04002065 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04002066 return 1;
2067}
2068
2069bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002070 bool Save_Data_Media = Has_Data_Media;
Ethan Yonker93382822018-11-01 15:25:31 -05002071 bool ret = false;
2072 BasePartition* base_partition = make_partition();
2073
2074 if (!base_partition->PreWipeEncryption())
2075 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002076
dianlujitao4879b372018-12-03 18:45:47 +08002077 Find_Actual_Block_Device();
2078 if (!Is_Present) {
2079 LOGINFO("Block device not present, cannot format %s.\n", Display_Name.c_str());
2080 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2081 return false;
2082 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002083
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002084#ifdef TW_INCLUDE_CRYPTO
bigbiff7ba75002020-04-11 20:47:09 -04002085 if (!UnMount(true))
2086 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002087 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Matt Mower2b18a532015-02-20 16:58:05 -06002088 if (delete_crypto_blk_dev((char*)("userdata")) != 0) {
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002089 LOGERR("Error deleting crypto block device, continuing anyway.\n");
2090 }
2091 }
2092#endif
dianlujitao4879b372018-12-03 18:45:47 +08002093 Has_Data_Media = false;
Ethan Yonker93382822018-11-01 15:25:31 -05002094 Decrypted_Block_Device = "";
Dees_Troy74fb2e92013-04-15 14:35:47 +00002095 Is_Decrypted = false;
2096 Is_Encrypted = false;
Gary Pecke8bc5d72012-12-21 06:45:25 -08002097 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002098 Has_Data_Media = Save_Data_Media;
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06002099 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05002100#ifndef TW_OEM_BUILD
bigbiff25d25b92020-06-19 16:07:38 -04002101 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 -05002102#endif
bigbiff2d548672021-07-09 20:08:44 -04002103 if (Is_FBE) {
2104 gui_msg(Msg(msg::kWarning, "data_media_fbe_msg=TWRP will not recreate /data/media on an FBE device. Please reboot into your rom to create /data/media."));
Captain Throwback63573b52021-10-02 20:47:33 -04002105 } else {
2106 if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
2107 if (Mount(false))
2108 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
2109 }
bigbiff2d548672021-07-09 20:08:44 -04002110 }
2111
Ethan Yonker93382822018-11-01 15:25:31 -05002112 ret = true;
2113 if (!Key_Directory.empty())
2114 ret = PartitionManager.Wipe_By_Path(Key_Directory);
2115 if (ret)
2116 ret = base_partition->PostWipeEncryption();
2117 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002118 } else {
2119 Has_Data_Media = Save_Data_Media;
Ethan Yonker74db1572015-10-28 12:44:49 -05002120 gui_err("format_data_err=Unable to format to remove encryption.");
Ethan Yonker726a0202014-12-16 20:01:38 -06002121 if (Has_Data_Media && Mount(false))
2122 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Ethan Yonker93382822018-11-01 15:25:31 -05002123 goto exit;
Dees_Troy38bd7602012-09-14 13:33:53 -04002124 }
Ethan Yonker93382822018-11-01 15:25:31 -05002125exit:
2126 delete base_partition;
2127 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002128}
2129
2130void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002131 const char* type;
2132 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04002133
Dees_Troy68cab492012-12-12 19:29:35 +00002134 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
2135 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04002136
Dees_Troy38bd7602012-09-14 13:33:53 -04002137 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04002138 if (!Is_Present)
2139 return;
Dees_Troy51127312012-09-08 13:08:49 -04002140
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002141 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
2142 if (blkid_do_fullprobe(pr)) {
2143 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002144 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002145 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04002146 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002147
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002148 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002149 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00002150 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002151 return;
2152 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002153
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05002154 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02002155 blkid_free_probe(pr);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06002156 if (fs_flags.size() > 1) {
2157 std::vector<partition_fs_flags_struct>::iterator iter;
2158 std::vector<partition_fs_flags_struct>::iterator found = fs_flags.begin();
2159
2160 for (iter = fs_flags.begin(); iter != fs_flags.end(); iter++) {
2161 if (iter->File_System == Current_File_System) {
2162 found = iter;
2163 break;
2164 }
2165 }
2166 // If we don't find a match, we default the flags to the first set of flags that we received from the fstab
2167 if (Mount_Flags != found->Mount_Flags || Mount_Options != found->Mount_Options) {
2168 Mount_Flags = found->Mount_Flags;
2169 Mount_Options = found->Mount_Options;
2170 LOGINFO("Mount_Flags: %i, Mount_Options: %s\n", Mount_Flags, Mount_Options.c_str());
2171 }
2172 }
Dees_Troy51a0e822012-09-05 15:24:24 -04002173}
2174
dianlujitao4879b372018-12-03 18:45:47 +08002175bool TWPartition::Wipe_EXTFS(string File_System) {
bigbiff7ba75002020-04-11 20:47:09 -04002176 if (!UnMount(true))
2177 return false;
2178
dianlujitao4879b372018-12-03 18:45:47 +08002179#if PLATFORM_SDK_VERSION < 28
bigbiffad58e1b2020-07-06 20:24:34 -04002180 if (!TWFunc::Path_Exists("/system/bin/mke2fs"))
dianlujitao4879b372018-12-03 18:45:47 +08002181#else
bigbiffad58e1b2020-07-06 20:24:34 -04002182 if (!TWFunc::Path_Exists("/system/bin/mke2fs") || !TWFunc::Path_Exists("/system/bin/e2fsdroid"))
dianlujitao4879b372018-12-03 18:45:47 +08002183#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04002184 return Wipe_RMRF();
2185
dianlujitao4879b372018-12-03 18:45:47 +08002186 int ret;
2187 bool NeedPreserveFooter = true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002188
Ethan Yonker25f20c12014-10-14 09:04:43 -05002189 Find_Actual_Block_Device();
2190 if (!Is_Present) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002191 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2192 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Ethan Yonker25f20c12014-10-14 09:04:43 -05002193 return false;
2194 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002195
dianlujitao4879b372018-12-03 18:45:47 +08002196 /**
2197 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2198 * so there's no need to preserve footer.
2199 */
2200 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2201 Crypto_Key_Location != "footer") {
2202 NeedPreserveFooter = false;
2203 }
2204
2205 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2206 if (!dev_sz)
2207 return false;
2208
2209 if (NeedPreserveFooter)
2210 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2211
Dees Troy9a4d7402019-03-21 14:17:28 -04002212 char dout[16];
2213 sprintf(dout, "%llu", dev_sz / 4096);
2214
2215 //string size_str =to_string(dev_sz / 4096);
2216 string size_str = dout;
dianlujitao4879b372018-12-03 18:45:47 +08002217 string Command;
2218
2219 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mke2fs"));
2220
2221 // Execute mke2fs to create empty ext4 filesystem
2222 Command = "mke2fs -t " + File_System + " -b 4096 " + Actual_Block_Device + " " + size_str;
2223 LOGINFO("mke2fs command: %s\n", Command.c_str());
2224 ret = TWFunc::Exec_Cmd(Command);
2225 if (ret) {
2226 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2227 return false;
2228 }
2229
bigbiffad58e1b2020-07-06 20:24:34 -04002230 if (TWFunc::Path_Exists("/system/bin/e2fsdroid")) {
dianlujitao3cf05a52019-05-15 15:33:27 +08002231 const string& File_Contexts_Entry = (Mount_Point == "/system_root" ? "/" : Mount_Point);
2232 char *secontext = NULL;
2233 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, File_Contexts_Entry.c_str(), S_IFDIR) < 0) {
2234 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
2235 } else {
2236 // Execute e2fsdroid to initialize selinux context
bigbiff5b911ca2020-07-18 10:46:09 -04002237 if (Mount_Point == "/persist") {
2238 Mount(true);
2239 TWFunc::removeDir("/persist/lost+found", false);
2240 UnMount(true);
2241 }
dianlujitao3cf05a52019-05-15 15:33:27 +08002242 Command = "e2fsdroid -e -S /file_contexts -a " + File_Contexts_Entry + " " + Actual_Block_Device;
2243 LOGINFO("e2fsdroid command: %s\n", Command.c_str());
2244 ret = TWFunc::Exec_Cmd(Command);
2245 if (ret) {
2246 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2247 return false;
2248 }
dianlujitao4879b372018-12-03 18:45:47 +08002249 }
2250 } else {
2251 LOGINFO("e2fsdroid not present\n");
2252 }
2253
2254 if (NeedPreserveFooter)
2255 Wipe_Crypto_Key();
2256 Current_File_System = File_System;
2257 Recreate_AndSec_Folder();
2258 gui_msg("done=Done.");
2259 return true;
2260}
2261
2262bool TWPartition::Wipe_EXT4() {
2263#ifdef USE_EXT4
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002264 int ret;
dianlujitao4879b372018-12-03 18:45:47 +08002265 bool NeedPreserveFooter = true;
2266
bigbiff7ba75002020-04-11 20:47:09 -04002267 if (!UnMount(true))
2268 return false;
2269
dianlujitao4879b372018-12-03 18:45:47 +08002270 Find_Actual_Block_Device();
2271 if (!Is_Present) {
2272 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2273 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2274 return false;
2275 }
dianlujitao4879b372018-12-03 18:45:47 +08002276
2277 /**
2278 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2279 * so there's no need to preserve footer.
2280 */
2281 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2282 Crypto_Key_Location != "footer") {
2283 NeedPreserveFooter = false;
2284 }
2285
2286 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2287 if (!dev_sz)
2288 return false;
2289
2290 if (NeedPreserveFooter)
2291 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
2292
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002293 char *secontext = NULL;
2294
Greg Wallace4b44fef2015-12-29 15:33:24 -05002295 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("make_ext4fs"));
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002296
Dees Troy99c8dbf2014-03-10 16:53:58 +00002297 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002298 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
dianlujitao4879b372018-12-03 18:45:47 +08002299 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), NULL);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002300 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002301 ret = make_ext4fs(Actual_Block_Device.c_str(), dev_sz, Mount_Point.c_str(), selinux_handle);
Ethan Yonkerf27497f2014-02-09 11:48:33 -06002302 }
2303 if (ret != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002304 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troya95f55c2013-08-17 13:14:43 +00002305 return false;
2306 } else {
dianlujitao4879b372018-12-03 18:45:47 +08002307 if (NeedPreserveFooter)
2308 Wipe_Crypto_Key();
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04002309 string sedir = Mount_Point + "/lost+found";
2310 PartitionManager.Mount_By_Path(sedir.c_str(), true);
2311 rmdir(sedir.c_str());
2312 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00002313 return true;
2314 }
2315#else
dianlujitao4879b372018-12-03 18:45:47 +08002316 return Wipe_EXTFS("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00002317#endif
Dees_Troy51a0e822012-09-05 15:24:24 -04002318}
2319
2320bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002321 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04002322
bigbiff7ba75002020-04-11 20:47:09 -04002323 if (!UnMount(true))
2324 return false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002325
bigbiffad58e1b2020-07-06 20:24:34 -04002326 if (TWFunc::Path_Exists("/system/bin/mkfs.fat")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002327 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkfs.fat"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002328 Find_Actual_Block_Device();
Matt Mower18794c82015-11-11 16:22:45 -06002329 command = "mkfs.fat " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002330 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08002331 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04002332 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002333 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04002334 return true;
2335 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002336 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04002337 return false;
2338 }
2339 return true;
2340 }
2341 else
2342 return Wipe_RMRF();
2343
2344 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002345}
2346
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002347bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02002348 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002349
bigbiff7ba75002020-04-11 20:47:09 -04002350 if (!UnMount(true))
2351 return false;
bigbiffad58e1b2020-07-06 20:24:34 -04002352 if (TWFunc::Path_Exists("/system/bin/mkexfatfs")) {
Greg Wallace4b44fef2015-12-29 15:33:24 -05002353 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkexfatfs"));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002354 Find_Actual_Block_Device();
2355 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02002356 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002357 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002358 gui_msg("done=Done.");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002359 return true;
2360 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002361 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002362 return false;
2363 }
2364 return true;
2365 }
2366 return false;
2367}
2368
Dees_Troy38bd7602012-09-14 13:33:53 -04002369bool TWPartition::Wipe_MTD() {
2370 if (!UnMount(true))
2371 return false;
2372
Greg Wallace4b44fef2015-12-29 15:33:24 -05002373 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("MTD"));
Dees_Troy38bd7602012-09-14 13:33:53 -04002374
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002375 mtd_scan_partitions();
2376 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
2377 if (mtd == NULL) {
2378 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
2379 return false;
2380 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002381
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002382 MtdWriteContext* ctx = mtd_write_partition(mtd);
2383 if (ctx == NULL) {
2384 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
2385 return false;
2386 }
2387 if (mtd_erase_blocks(ctx, -1) == -1) {
2388 mtd_write_close(ctx);
2389 LOGERR("Failed to format '%s'", MTD_Name.c_str());
2390 return false;
2391 }
2392 if (mtd_write_close(ctx) != 0) {
2393 LOGERR("Failed to close '%s'", MTD_Name.c_str());
2394 return false;
2395 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08002396 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04002397 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05002398 gui_msg("done=Done.");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02002399 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002400}
2401
2402bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04002403 if (!Mount(true))
2404 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06002405 // This is the only wipe that leaves the partition mounted, so we
2406 // must manually remove the partition from MTP if it is a storage
2407 // partition.
2408 if (Is_Storage)
2409 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04002410
Ethan Yonker74db1572015-10-28 12:44:49 -05002411 gui_msg(Msg("remove_all=Removing all files under '{1}'")(Mount_Point));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002412 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002413 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002414 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002415}
2416
Dees_Troye5017042013-08-29 16:38:55 +00002417bool TWPartition::Wipe_F2FS() {
systemaddb475c92021-08-12 20:33:20 +02002418 std::string f2fs_command;
Dees_Troye5017042013-08-29 16:38:55 +00002419
bigbiff7ba75002020-04-11 20:47:09 -04002420 if (!UnMount(true))
2421 return false;
dianlujitao4879b372018-12-03 18:45:47 +08002422
bigbiffad58e1b2020-07-06 20:24:34 -04002423 if (TWFunc::Path_Exists("/system/bin/mkfs.f2fs"))
systemaddb475c92021-08-12 20:33:20 +02002424 f2fs_command = "/system/bin/mkfs.f2fs";
bigbiffad58e1b2020-07-06 20:24:34 -04002425 else if (TWFunc::Path_Exists("/system/bin/make_f2fs"))
systemaddb475c92021-08-12 20:33:20 +02002426 f2fs_command = "/system/bin/make_f2fs -g android";
bigbiff7ba75002020-04-11 20:47:09 -04002427 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002428 LOGINFO("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
Dees_Troye5017042013-08-29 16:38:55 +00002429 return Wipe_RMRF();
2430 }
bigbiff7ba75002020-04-11 20:47:09 -04002431
2432 bool NeedPreserveFooter = true;
systemaddb475c92021-08-12 20:33:20 +02002433 bool needs_casefold = false;
2434 bool needs_projid = false;
bigbiff7ba75002020-04-11 20:47:09 -04002435
2436 Find_Actual_Block_Device();
2437 if (!Is_Present) {
2438 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
2439 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2440 return false;
2441 }
systemaddb475c92021-08-12 20:33:20 +02002442
2443 needs_casefold = android::base::GetBoolProperty("external_storage.casefold.enabled", false);
2444 needs_projid = android::base::GetBoolProperty("external_storage.projid.enabled", false);
bigbiff7ba75002020-04-11 20:47:09 -04002445 unsigned long long dev_sz = TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
2446 if (!dev_sz)
2447 return false;
2448
2449 if (NeedPreserveFooter)
2450 Length < 0 ? dev_sz += Length : dev_sz -= CRYPT_FOOTER_OFFSET;
bigbiff7ba75002020-04-11 20:47:09 -04002451 char dev_sz_str[48];
2452 sprintf(dev_sz_str, "%llu", (dev_sz / 4096));
systemaddb475c92021-08-12 20:33:20 +02002453 if(needs_projid)
2454 f2fs_command += " -O project_quota,extra_attr";
2455
2456 if(needs_casefold)
2457 f2fs_command += " -O casefold -C utf8";
2458
2459 f2fs_command += " " + Actual_Block_Device + " " + dev_sz_str;
2460
bigbiffad58e1b2020-07-06 20:24:34 -04002461 if (TWFunc::Path_Exists("/system/bin/sload.f2fs")) {
systemaddb475c92021-08-12 20:33:20 +02002462 f2fs_command += " && sload.f2fs -t /data " + Actual_Block_Device;
bigbiff7ba75002020-04-11 20:47:09 -04002463 }
2464
2465 /**
2466 * On decrypted devices, IOCTL_Get_Block_Size calculates size on device mapper,
2467 * so there's no need to preserve footer.
2468 */
2469 if ((Is_Decrypted && !Decrypted_Block_Device.empty()) ||
2470 Crypto_Key_Location != "footer") {
2471 NeedPreserveFooter = false;
2472 }
systemaddb475c92021-08-12 20:33:20 +02002473 LOGINFO("mkfs.f2fs command: %s\n", f2fs_command.c_str());
2474 if (TWFunc::Exec_Cmd(f2fs_command) == 0) {
bigbiff7ba75002020-04-11 20:47:09 -04002475 if (NeedPreserveFooter)
2476 Wipe_Crypto_Key();
2477 Recreate_AndSec_Folder();
2478 gui_msg("done=Done.");
2479 return true;
2480 } else {
2481 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2482 return false;
2483 }
2484 return true;
Dees_Troye5017042013-08-29 16:38:55 +00002485}
2486
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002487bool TWPartition::Wipe_NTFS() {
2488 string command;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002489 string Ntfsmake_Binary;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002490
bigbiff7ba75002020-04-11 20:47:09 -04002491 if (!UnMount(true))
2492 return false;
2493
bigbiffad58e1b2020-07-06 20:24:34 -04002494 if (TWFunc::Path_Exists("/system/bin/mkntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002495 Ntfsmake_Binary = "mkntfs";
bigbiffad58e1b2020-07-06 20:24:34 -04002496 else if (TWFunc::Path_Exists("/system/bin/mkfs.ntfs"))
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002497 Ntfsmake_Binary = "mkfs.ntfs";
2498 else
2499 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002500
Greg Wallace4b44fef2015-12-29 15:33:24 -05002501 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)(Ntfsmake_Binary));
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002502 Find_Actual_Block_Device();
bigbiffad58e1b2020-07-06 20:24:34 -04002503 command = "/system/bin/" + Ntfsmake_Binary + " " + Actual_Block_Device;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002504 if (TWFunc::Exec_Cmd(command) == 0) {
2505 Recreate_AndSec_Folder();
2506 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002507 return true;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05002508 } else {
2509 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
2510 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05002511 }
2512 return false;
2513}
2514
Dees_Troy51a0e822012-09-05 15:24:24 -04002515bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05002516#ifdef TW_OEM_BUILD
2517 // In an OEM Build we want to do a full format
2518 return Wipe_Encryption();
2519#else
Ethan Yonker66a19492015-12-10 10:19:45 -06002520 bool ret = false;
Dees_Troy38bd7602012-09-14 13:33:53 -04002521
Dees_Troy38bd7602012-09-14 13:33:53 -04002522 if (!Mount(true))
2523 return false;
2524
Ethan Yonker74db1572015-10-28 12:44:49 -05002525 gui_msg("wiping_data=Wiping data without wiping /data/media ...");
Ethan Yonker66a19492015-12-10 10:19:45 -06002526 ret = Wipe_Data_Without_Wiping_Media_Func(Mount_Point + "/");
2527 if (ret)
2528 gui_msg("done=Done.");
2529 return ret;
2530#endif // ifdef TW_OEM_BUILD
2531}
2532
2533bool TWPartition::Wipe_Data_Without_Wiping_Media_Func(const string& parent __unused) {
2534 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04002535
2536 DIR* d;
Ethan Yonker66a19492015-12-10 10:19:45 -06002537 d = opendir(parent.c_str());
Dees_Troy16b74352012-11-14 22:27:31 +00002538 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002539 struct dirent* de;
2540 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002541 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002542
Ethan Yonker66a19492015-12-10 10:19:45 -06002543 dir = parent;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002544 dir.append(de->d_name);
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002545 if (wipe_exclusions.check_skip_dirs(dir)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002546 LOGINFO("skipped '%s'\n", dir.c_str());
2547 continue;
2548 }
Dees_Troyce675462013-01-09 19:48:21 +00002549 if (de->d_type == DT_DIR) {
Ethan Yonker66a19492015-12-10 10:19:45 -06002550 dir.append("/");
2551 if (!Wipe_Data_Without_Wiping_Media_Func(dir)) {
2552 closedir(d);
2553 return false;
2554 }
2555 rmdir(dir.c_str());
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05002556 } 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 +03002557 if (unlink(dir.c_str()) != 0)
Ethan Yonker79f88bd2016-12-09 14:52:12 -06002558 LOGINFO("Unable to unlink '%s': %s\n", dir.c_str(), strerror(errno));
Dees_Troyce675462013-01-09 19:48:21 +00002559 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002560 }
2561 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05002562
Dees_Troy16b74352012-11-14 22:27:31 +00002563 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04002564 }
Ethan Yonker74db1572015-10-28 12:44:49 -05002565 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy16b74352012-11-14 22:27:31 +00002566 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04002567}
2568
dianlujitao4879b372018-12-03 18:45:47 +08002569void TWPartition::Wipe_Crypto_Key() {
2570 Find_Actual_Block_Device();
2571 if (Crypto_Key_Location.empty())
2572 return;
2573 else if (Crypto_Key_Location == "footer") {
2574 int fd = open(Actual_Block_Device.c_str(), O_RDWR);
2575 if (fd < 0) {
2576 gui_print_color("warning", "Unable to open '%s' to wipe crypto key\n", Actual_Block_Device.c_str());
2577 return;
2578 }
2579
2580 unsigned int block_count;
2581 if ((ioctl(fd, BLKGETSIZE, &block_count)) == -1) {
2582 gui_print_color("warning", "Unable to get block size for wiping crypto footer.\n");
2583 } else {
2584 int newlen = Length < 0 ? -Length : CRYPT_FOOTER_OFFSET;
2585 off64_t offset = ((off64_t)block_count * 512) - newlen;
2586 if (lseek64(fd, offset, SEEK_SET) == -1) {
2587 gui_print_color("warning", "Unable to lseek64 for wiping crypto footer.\n");
2588 } else {
2589 void* buffer = malloc(newlen);
2590 if (!buffer) {
2591 gui_print_color("warning", "Failed to malloc for wiping crypto footer.\n");
2592 } else {
2593 memset(buffer, 0, newlen);
2594 int ret = write(fd, buffer, newlen);
2595 if (ret != newlen) {
2596 gui_print_color("warning", "Failed to wipe crypto footer.\n");
2597 } else {
2598 LOGINFO("Successfully wiped crypto footer.\n");
2599 }
2600 free(buffer);
2601 }
2602 }
2603 }
2604 close(fd);
2605 } else {
2606 if (TWFunc::IOCTL_Get_Block_Size(Crypto_Key_Location.c_str()) >= 16384LLU) {
2607 string Command = "dd of='" + Crypto_Key_Location + "' if=/dev/zero bs=16384 count=1";
2608 TWFunc::Exec_Cmd(Command);
2609 } else {
2610 LOGINFO("Crypto key location reports size < 16K so not wiping crypto footer.\n");
2611 }
2612 }
2613}
2614
bigbiffce8f83c2015-12-12 18:30:21 -05002615bool TWPartition::Backup_Tar(PartitionSettings *part_settings, pid_t *tar_fork_pid) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002616 string Full_FileName;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002617 twrpTar tar;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05002618
Dees_Troy43d8b002012-09-17 16:00:01 -04002619 if (!Mount(true))
2620 return false;
2621
Ian Macdonalda3b25a32019-06-16 22:39:14 +02002622 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, gui_parse_text("{@backing}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002623 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002624
Ethan Yonker472f5062016-02-25 13:47:30 -06002625 DataManager::GetValue(TW_USE_COMPRESSION_VAR, tar.use_compression);
Matt Mowerbb81e5d2014-03-20 18:05:41 -05002626
Dees_Troy83bd4832013-05-04 12:39:56 +00002627#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
Ethan Yonker472f5062016-02-25 13:47:30 -06002628 if (Can_Encrypt_Backup) {
2629 DataManager::GetValue("tw_encrypt_backup", tar.use_encryption);
2630 if (tar.use_encryption) {
2631 if (Use_Userdata_Encryption)
2632 tar.userdata_encryption = tar.use_encryption;
2633 string Password;
2634 DataManager::GetValue("tw_backup_password", Password);
2635 tar.setpassword(Password);
2636 } else {
2637 tar.use_encryption = 0;
2638 }
Dees_Troy83bd4832013-05-04 12:39:56 +00002639 }
2640#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04002641
Ethan Yonker472f5062016-02-25 13:47:30 -06002642 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002643 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker01f4e032017-02-03 15:30:52 -06002644 if (Has_Data_Media)
2645 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 -04002646 if (Mount_Point == "/data" && DataManager::GetIntValue(TW_IS_FBE)) {
2647 std::vector<users_struct>::iterator iter;
2648 std::vector<users_struct>* userList = PartitionManager.Get_Users_List();
2649 for (iter = userList->begin(); iter != userList->end(); iter++) {
2650 if (!(*iter).isDecrypted && (*iter).userId != "0") {
2651 gui_msg(Msg(msg::kWarning,
2652 "backup_storage_undecrypt_warning=Backup will not include some files from user {1} "
2653 "because the user is not decrypted.")((*iter).userId));
2654 backup_exclusions.add_absolute_dir("/data/system_ce/" + (*iter).userId);
2655 backup_exclusions.add_absolute_dir("/data/misc_ce/" + (*iter).userId);
2656 backup_exclusions.add_absolute_dir("/data/vendor_ce/" + (*iter).userId);
2657 backup_exclusions.add_absolute_dir("/data/media/" + (*iter).userId);
2658 backup_exclusions.add_absolute_dir("/data/user/" + (*iter).userId);
2659 }
2660 }
2661 }
bigbiffce8f83c2015-12-12 18:30:21 -05002662 tar.part_settings = part_settings;
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002663 tar.backup_exclusions = &backup_exclusions;
Dees Troye0a433a2013-12-02 04:10:37 +00002664 tar.setdir(Backup_Path);
2665 tar.setfn(Full_FileName);
2666 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002667 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002668 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002669 if (tar.createTarFork(tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00002670 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04002671 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002672}
2673
bigbiffce8f83c2015-12-12 18:30:21 -05002674bool TWPartition::Backup_Image(PartitionSettings *part_settings) {
2675 string Full_FileName, adb_file_name;
igoriok87e3d932013-01-31 21:03:53 +02002676
Ethan Yonker74db1572015-10-28 12:44:49 -05002677 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2678 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002679
Ethan Yonker472f5062016-02-25 13:47:30 -06002680 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Dees_Troy43d8b002012-09-17 16:00:01 -04002681
bigbiffce8f83c2015-12-12 18:30:21 -05002682 if (part_settings->adbbackup) {
2683 Full_FileName = TW_ADB_BACKUP;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002684 adb_file_name = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002685 }
2686 else
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002687 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002688
2689 part_settings->total_restore_size = Backup_Size;
2690
2691 if (part_settings->adbbackup) {
2692 if (!twadbbu::Write_TWIMG(adb_file_name, Backup_Size))
2693 return false;
2694 }
2695
2696 if (!Raw_Read_Write(part_settings))
Ethan Yonker472f5062016-02-25 13:47:30 -06002697 return false;
2698
bigbiffce8f83c2015-12-12 18:30:21 -05002699 if (part_settings->adbbackup) {
2700 if (!twadbbu::Write_TWEOF())
2701 return false;
Dees_Troy7c2dec82012-09-26 09:49:14 -04002702 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002703 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002704}
2705
bigbiffce8f83c2015-12-12 18:30:21 -05002706bool TWPartition::Raw_Read_Write(PartitionSettings *part_settings) {
2707 unsigned long long RW_Block_Size, Remain = Backup_Size;
2708 int src_fd = -1, dest_fd = -1;
2709 ssize_t bs;
Ethan Yonker472f5062016-02-25 13:47:30 -06002710 bool ret = false;
2711 void* buffer = NULL;
2712 unsigned long long backedup_size = 0;
bigbiffce8f83c2015-12-12 18:30:21 -05002713 string srcfn, destfn;
Ethan Yonker472f5062016-02-25 13:47:30 -06002714
bigbiffce8f83c2015-12-12 18:30:21 -05002715 if (part_settings->PM_Method == PM_BACKUP) {
2716 srcfn = Actual_Block_Device;
2717 if (part_settings->adbbackup)
2718 destfn = TW_ADB_BACKUP;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002719 else {
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002720 destfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiff bigbiff38b83c12017-12-28 19:58:52 -05002721 }
bigbiffce8f83c2015-12-12 18:30:21 -05002722 }
2723 else {
2724 destfn = Actual_Block_Device;
2725 if (part_settings->adbbackup) {
2726 srcfn = TW_ADB_RESTORE;
2727 } else {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002728 srcfn = part_settings->Backup_Folder + "/" + Backup_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002729 Remain = TWFunc::Get_File_Size(srcfn);
2730 }
2731 }
Ethan Yonker472f5062016-02-25 13:47:30 -06002732
bigbiffce8f83c2015-12-12 18:30:21 -05002733 src_fd = open(srcfn.c_str(), O_RDONLY | O_LARGEFILE);
Ethan Yonker472f5062016-02-25 13:47:30 -06002734 if (src_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002735 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(srcfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002736 return false;
2737 }
bigbiffce8f83c2015-12-12 18:30:21 -05002738
2739 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 -06002740 if (dest_fd < 0) {
bigbiffce8f83c2015-12-12 18:30:21 -05002741 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(destfn.c_str())(strerror(errno)));
Ethan Yonker472f5062016-02-25 13:47:30 -06002742 goto exit;
2743 }
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04002744
bigbiffce8f83c2015-12-12 18:30:21 -05002745 LOGINFO("Reading '%s', writing '%s'\n", srcfn.c_str(), destfn.c_str());
2746
2747 if (part_settings->adbbackup) {
2748 RW_Block_Size = MAX_ADB_READ;
2749 bs = MAX_ADB_READ;
2750 }
2751 else {
2752 RW_Block_Size = 1048576LLU; // 1MB
2753 bs = (ssize_t)(RW_Block_Size);
2754 }
2755
Ethan Yonker472f5062016-02-25 13:47:30 -06002756 buffer = malloc((size_t)bs);
2757 if (!buffer) {
2758 LOGINFO("Raw_Read_Write failed to malloc\n");
2759 goto exit;
2760 }
bigbiffce8f83c2015-12-12 18:30:21 -05002761
2762 if (part_settings->progress)
2763 part_settings->progress->SetPartitionSize(part_settings->total_restore_size);
2764
Ethan Yonker472f5062016-02-25 13:47:30 -06002765 while (Remain > 0) {
2766 if (Remain < RW_Block_Size)
bigbiffce8f83c2015-12-12 18:30:21 -05002767 bs = (ssize_t)(Remain);
Matt Mowera8a89d12016-12-30 18:10:37 -06002768 if (read(src_fd, buffer, bs) != bs) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002769 LOGINFO("Error reading source fd (%s)\n", strerror(errno));
2770 goto exit;
2771 }
2772 if (write(dest_fd, buffer, bs) != bs) {
2773 LOGINFO("Error writing destination fd (%s)\n", strerror(errno));
2774 goto exit;
2775 }
2776 backedup_size += (unsigned long long)(bs);
Matt Mower029a82d2017-01-08 13:12:38 -06002777 Remain -= (unsigned long long)(bs);
bigbiffce8f83c2015-12-12 18:30:21 -05002778 if (part_settings->progress)
2779 part_settings->progress->UpdateSize(backedup_size);
Ethan Yonker472f5062016-02-25 13:47:30 -06002780 if (PartitionManager.Check_Backup_Cancel() != 0)
2781 goto exit;
2782 }
bigbiffce8f83c2015-12-12 18:30:21 -05002783 if (part_settings->progress)
2784 part_settings->progress->UpdateDisplayDetails(true);
Ethan Yonker472f5062016-02-25 13:47:30 -06002785 fsync(dest_fd);
nailyka083dc62016-11-11 21:41:28 +01002786
2787 if (!part_settings->adbbackup && part_settings->PM_Method == PM_BACKUP) {
2788 tw_set_default_metadata(destfn.c_str());
2789 LOGINFO("Restored default metadata for %s\n", destfn.c_str());
2790 }
2791
Ethan Yonker472f5062016-02-25 13:47:30 -06002792 ret = true;
2793exit:
2794 if (src_fd >= 0)
2795 close(src_fd);
2796 if (dest_fd >= 0)
2797 close(dest_fd);
2798 if (buffer)
2799 free(buffer);
2800 return ret;
2801}
2802
bigbiffce8f83c2015-12-12 18:30:21 -05002803bool TWPartition::Backup_Dump_Image(PartitionSettings *part_settings) {
Vojtech Bocek05534202013-09-11 08:11:56 +02002804 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04002805
Ethan Yonker74db1572015-10-28 12:44:49 -05002806 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2807 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002808
bigbiffce8f83c2015-12-12 18:30:21 -05002809 if (part_settings->progress)
2810 part_settings->progress->SetPartitionSize(Backup_Size);
Dees_Troy43d8b002012-09-17 16:00:01 -04002811
Ethan Yonker472f5062016-02-25 13:47:30 -06002812 Backup_FileName = Backup_Name + "." + Current_File_System + ".win";
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002813 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04002814
2815 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
bigbiffce8f83c2015-12-12 18:30:21 -05002816
Dees_Troy2673cec2013-04-02 20:22:16 +00002817 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002818 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002819 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002820 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
2821 // 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 -06002822 gui_msg(Msg(msg::kError, "backup_size=Backup file size for '{1}' is 0 bytes.")(Full_FileName));
Dees_Troy7c2dec82012-09-26 09:49:14 -04002823 return false;
2824 }
bigbiffce8f83c2015-12-12 18:30:21 -05002825 if (part_settings->progress)
2826 part_settings->progress->UpdateSize(Backup_Size);
2827
Dees_Troy43d8b002012-09-17 16:00:01 -04002828 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002829}
2830
bigbiffce8f83c2015-12-12 18:30:21 -05002831unsigned long long TWPartition::Get_Restore_Size(PartitionSettings *part_settings) {
2832 if (!part_settings->adbbackup) {
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002833 InfoManager restore_info(part_settings->Backup_Folder + "/" + Backup_Name + ".info");
bigbiffce8f83c2015-12-12 18:30:21 -05002834 if (restore_info.LoadValues() == 0) {
2835 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
2836 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
2837 return Restore_Size;
2838 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002839 }
2840 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002841
Matt Mower029a82d2017-01-08 13:12:38 -06002842 string Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
2843 string Restore_File_System = Get_Restore_File_System(part_settings);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002844
2845 if (Is_Image(Restore_File_System)) {
2846 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
2847 return Restore_Size;
2848 }
2849
2850 twrpTar tar;
2851 tar.setdir(Backup_Path);
2852 tar.setfn(Full_FileName);
bigbiffce8f83c2015-12-12 18:30:21 -05002853 tar.backup_name = Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002854#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2855 string Password;
2856 DataManager::GetValue("tw_restore_password", Password);
2857 if (!Password.empty())
2858 tar.setpassword(Password);
2859#endif
2860 tar.partition_name = Backup_Name;
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002861 tar.backup_folder = part_settings->Backup_Folder;
bigbiffce8f83c2015-12-12 18:30:21 -05002862 tar.part_settings = part_settings;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002863 Restore_Size = tar.get_size();
2864 return Restore_Size;
2865}
2866
bigbiffce8f83c2015-12-12 18:30:21 -05002867bool TWPartition::Restore_Tar(PartitionSettings *part_settings) {
Ethan Yonker472f5062016-02-25 13:47:30 -06002868 string Full_FileName;
Dees Troy4159aed2014-02-28 17:24:43 +00002869 bool ret = false;
bigbiffce8f83c2015-12-12 18:30:21 -05002870 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002871
Dees_Troye58d5262012-09-21 12:27:57 -04002872 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04002873 if (!Wipe_AndSec())
2874 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08002875 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002876 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
Ethan Yonker5eac2222014-06-11 12:22:55 -05002877 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002878 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 -05002879 if (!Wipe_Data_Without_Wiping_Media())
2880 return false;
2881 } else {
2882 if (!Wipe(Restore_File_System))
2883 return false;
2884 }
Dees_Troye58d5262012-09-21 12:27:57 -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));
Dees_Troy43d8b002012-09-17 16:00:01 -04002888
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002889 // Remount as read/write as needed so we can restore the backup
2890 if (!ReMount_RW(true))
Dees_Troy43d8b002012-09-17 16:00:01 -04002891 return false;
2892
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05002893 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06002894 twrpTar tar;
bigbiffce8f83c2015-12-12 18:30:21 -05002895 tar.part_settings = part_settings;
Ethan Yonker87af5632014-02-10 11:56:35 -06002896 tar.setdir(Backup_Path);
2897 tar.setfn(Full_FileName);
2898 tar.backup_name = Backup_Name;
2899#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2900 string Password;
2901 DataManager::GetValue("tw_restore_password", Password);
2902 if (!Password.empty())
2903 tar.setpassword(Password);
2904#endif
bigbiffce8f83c2015-12-12 18:30:21 -05002905 part_settings->progress->SetPartitionSize(Get_Restore_Size(part_settings));
2906 if (tar.extractTarFork() != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00002907 ret = false;
2908 else
2909 ret = true;
2910#ifdef HAVE_CAPABILITIES
2911 // Restore capabilities to the run-as binary
Captain Throwback9d6feb52018-07-27 10:05:24 -04002912 if (Mount_Point == PartitionManager.Get_Android_Root_Path() && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
Dees Troy4159aed2014-02-28 17:24:43 +00002913 struct vfs_cap_data cap_data;
2914 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
2915
2916 memset(&cap_data, 0, sizeof(cap_data));
2917 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
2918 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
2919 cap_data.data[0].inheritable = 0;
2920 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
2921 cap_data.data[1].inheritable = 0;
2922 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
2923 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
2924 } else {
2925 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
2926 }
2927 }
2928#endif
James Christopher Adduonod6f94ac2016-02-29 04:26:04 -05002929 if (Mount_Read_Only || Mount_Flags & MS_RDONLY)
2930 // Remount as read only when restoration is complete
2931 ReMount(true);
2932
Dees Troy4159aed2014-02-28 17:24:43 +00002933 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002934}
2935
bigbiffce8f83c2015-12-12 18:30:21 -05002936bool TWPartition::Restore_Image(PartitionSettings *part_settings) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06002937 string Full_FileName;
bigbiffce8f83c2015-12-12 18:30:21 -05002938 string Restore_File_System = Get_Restore_File_System(part_settings);
Dees_Troy43d8b002012-09-17 16:00:01 -04002939
Matt Mower3c366972015-12-25 19:28:31 -06002940 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002941 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
bigbiffce8f83c2015-12-12 18:30:21 -05002942
2943 if (part_settings->adbbackup)
2944 Full_FileName = TW_ADB_RESTORE;
2945 else
Ethan Yonkere080c1f2016-09-19 13:50:25 -05002946 Full_FileName = part_settings->Backup_Folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08002947
Ethan Yonker96af84a2015-01-05 14:58:36 -06002948 if (Restore_File_System == "emmc") {
bigbiffce8f83c2015-12-12 18:30:21 -05002949 if (!part_settings->adbbackup)
2950 part_settings->total_restore_size = (uint64_t)(TWFunc::Get_File_Size(Full_FileName));
2951 if (!Raw_Read_Write(part_settings))
Ethan Yonker96af84a2015-01-05 14:58:36 -06002952 return false;
2953 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
bigbiffce8f83c2015-12-12 18:30:21 -05002954 if (!Flash_Image_FI(Full_FileName, part_settings->progress))
2955 return false;
2956 }
2957
2958 if (part_settings->adbbackup) {
2959 if (!twadbbu::Write_TWEOF())
Ethan Yonker96af84a2015-01-05 14:58:36 -06002960 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08002961 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002962 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002963}
Dees_Troy5bf43922012-09-07 16:07:55 -04002964
2965bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04002966 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04002967
Ethan Yonker1b190162016-12-05 15:25:19 -06002968 Find_Actual_Block_Device();
2969
bigbiffee7b7ff2020-03-23 15:08:27 -04002970 if (Actual_Block_Device.empty())
2971 return false;
2972
Ethan Yonker1b190162016-12-05 15:25:19 -06002973 if (!Can_Be_Mounted && !Is_Encrypted) {
2974 if (TWFunc::Path_Exists(Actual_Block_Device) && Find_Partition_Size()) {
2975 Used = Size;
2976 Backup_Size = Size;
2977 return true;
2978 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002979 return false;
Ethan Yonker1b190162016-12-05 15:25:19 -06002980 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002981
Dees_Troy0550cfb2012-10-13 11:56:13 -04002982 Was_Already_Mounted = Is_Mounted();
bigbiffee7b7ff2020-03-23 15:08:27 -04002983
Dees_Troy38bd7602012-09-14 13:33:53 -04002984 if (Removable || Is_Encrypted) {
2985 if (!Mount(false))
2986 return true;
2987 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04002988 return false;
Dees_Troy51127312012-09-08 13:08:49 -04002989
2990 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002991 if (!ret || Size == 0) {
2992 if (!Get_Size_Via_df(Display_Error)) {
2993 if (!Was_Already_Mounted)
2994 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04002995 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002996 }
2997 }
Dees_Troy51127312012-09-08 13:08:49 -04002998
Dees_Troy5bf43922012-09-07 16:07:55 -04002999 if (Has_Data_Media) {
3000 if (Mount(Display_Error)) {
Ethan Yonker3fdcda42016-11-30 12:29:37 -06003001 Used = backup_exclusions.Get_Folder_Size(Mount_Point);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05003002 Backup_Size = Used;
3003 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04003004 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05003005 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04003006 } else {
3007 if (!Was_Already_Mounted)
3008 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04003009 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04003010 }
Dees_Troye58d5262012-09-21 12:27:57 -04003011 } else if (Has_Android_Secure) {
3012 if (Mount(Display_Error))
Ethan Yonker3fdcda42016-11-30 12:29:37 -06003013 Backup_Size = backup_exclusions.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04003014 else {
3015 if (!Was_Already_Mounted)
3016 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04003017 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04003018 }
Dees_Troy5bf43922012-09-07 16:07:55 -04003019 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04003020 if (!Was_Already_Mounted)
3021 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04003022 return true;
Dees_Troy51127312012-09-08 13:08:49 -04003023}
Dees_Troy38bd7602012-09-14 13:33:53 -04003024
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06003025bool TWPartition::Find_Wildcard_Block_Devices(const string& Device) {
3026 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
3027 string Path = TWFunc::Get_Path(Device);
3028 string Dev = TWFunc::Get_Filename(Device);
3029 size_t wildcard_index = Dev.find("*");
3030 if (wildcard_index != string::npos)
3031 Dev = Dev.substr(0, wildcard_index);
3032 wildcard_index = Dev.size();
3033 DIR* d = opendir(Path.c_str());
3034 if (d == NULL) {
3035 LOGINFO("Error opening '%s': %s\n", Path.c_str(), strerror(errno));
3036 return false;
3037 }
3038 struct dirent* de;
3039 while ((de = readdir(d)) != NULL) {
3040 if (de->d_type != DT_BLK || strlen(de->d_name) <= wildcard_index || strncmp(de->d_name, Dev.c_str(), wildcard_index) != 0)
3041 continue;
3042
3043 string item = Path + "/";
3044 item.append(de->d_name);
3045 if (PartitionManager.Find_Partition_By_Block_Device(item))
3046 continue;
3047 TWPartition *part = new TWPartition;
3048 char buffer[MAX_FSTAB_LINE_LENGTH];
3049 sprintf(buffer, "%s %s-%i auto defaults defaults", item.c_str(), Mount_Point.c_str(), ++mount_point_index);
bigbiff8da46fa2020-09-08 16:42:34 -04003050 part->Process_Fstab_Line(buffer, false, NULL);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06003051 char display[MAX_FSTAB_LINE_LENGTH];
3052 sprintf(display, "%s %i", Storage_Name.c_str(), mount_point_index);
3053 part->Storage_Name = display;
3054 part->Display_Name = display;
3055 part->Primary_Block_Device = item;
3056 part->Wildcard_Block_Device = false;
3057 part->Is_SubPartition = true;
3058 part->SubPartition_Of = Mount_Point;
3059 part->Is_Storage = Is_Storage;
3060 part->Can_Be_Mounted = true;
3061 part->Removable = true;
3062 part->Can_Be_Wiped = Can_Be_Wiped;
3063 part->Wipe_Available_in_GUI = Wipe_Available_in_GUI;
3064 part->Find_Actual_Block_Device();
3065 part->Update_Size(false);
3066 Has_SubPartition = true;
3067 PartitionManager.Output_Partition(part);
3068 PartitionManager.Add_Partition(part);
3069 }
3070 closedir(d);
3071 return (mount_point_index > 0);
3072}
3073
Dees_Troy38bd7602012-09-14 13:33:53 -04003074void TWPartition::Find_Actual_Block_Device(void) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06003075 if (!Sysfs_Entry.empty() && Primary_Block_Device.empty() && Decrypted_Block_Device.empty()) {
3076 /* Sysfs_Entry.empty() indicates if this is a sysfs entry that begins with /device/
3077 * If we have a syfs entry then we are looking for this device from a uevent add.
3078 * The uevent add will set the primary block device based on the data we receive from
3079 * after checking for adopted storage. If the device ends up being adopted, then the
3080 * decrypted block device will be set instead of the primary block device. */
3081 Is_Present = false;
3082 return;
3083 }
3084 if (Wildcard_Block_Device && !Is_Adopted_Storage) {
3085 Is_Present = false;
3086 Actual_Block_Device = "";
3087 Can_Be_Mounted = false;
3088 if (!Find_Wildcard_Block_Devices(Primary_Block_Device)) {
3089 string Dev = Primary_Block_Device.substr(0, Primary_Block_Device.find("*"));
3090 if (TWFunc::Path_Exists(Dev)) {
3091 Is_Present = true;
3092 Can_Be_Mounted = true;
3093 Actual_Block_Device = Dev;
3094 }
3095 }
3096 return;
3097 } else if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003098 Actual_Block_Device = Decrypted_Block_Device;
Ethan Yonker1b190162016-12-05 15:25:19 -06003099 if (TWFunc::Path_Exists(Decrypted_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003100 Is_Present = true;
Ethan Yonker1b190162016-12-05 15:25:19 -06003101 return;
3102 }
3103 } else if (SlotSelect && TWFunc::Path_Exists(Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix())) {
3104 Actual_Block_Device = Primary_Block_Device + PartitionManager.Get_Active_Slot_Suffix();
3105 unlink(Primary_Block_Device.c_str());
3106 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
3107 Is_Present = true;
3108 return;
Dees_Troy43d8b002012-09-17 16:00:01 -04003109 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04003110 Is_Present = true;
3111 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003112 return;
3113 }
Ethan Yonker1b190162016-12-05 15:25:19 -06003114 if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04003115 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04003116 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003117 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04003118 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003119 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003120}
3121
3122void TWPartition::Recreate_Media_Folder(void) {
3123 string Command;
Ethan Yonker66a19492015-12-10 10:19:45 -06003124 string Media_Path = Mount_Point + "/media";
Dees_Troy38bd7602012-09-14 13:33:53 -04003125
Ethan Yonkerbd7492d2016-12-07 13:55:01 -06003126 if (Is_FBE) {
3127 LOGINFO("Not recreating media folder on FBE\n");
3128 return;
3129 }
Dees_Troy38bd7602012-09-14 13:33:53 -04003130 if (!Mount(true)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003131 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Media_Path));
3132 } else if (!TWFunc::Path_Exists(Media_Path)) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003133 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker66a19492015-12-10 10:19:45 -06003134 LOGINFO("Recreating %s folder.\n", Media_Path.c_str());
3135 mkdir(Media_Path.c_str(), 0770);
xiaolu9416f4f2015-06-04 08:22:23 +08003136 string Internal_path = DataManager::GetStrValue("tw_internal_path");
3137 if (!Internal_path.empty()) {
3138 LOGINFO("Recreating %s folder.\n", Internal_path.c_str());
3139 mkdir(Internal_path.c_str(), 0770);
3140 }
3141#ifdef TW_INTERNAL_STORAGE_PATH
3142 mkdir(EXPAND(TW_INTERNAL_STORAGE_PATH), 0770);
3143#endif
Matt Mower87413642017-01-17 21:14:46 -06003144
thata3d31fb2014-12-21 22:27:40 +01003145 // Afterwards, we will try to set the
3146 // default metadata that we were hopefully able to get during
3147 // early boot.
Ethan Yonker66a19492015-12-10 10:19:45 -06003148 tw_set_default_metadata(Media_Path.c_str());
xiaolu9416f4f2015-06-04 08:22:23 +08003149 if (!Internal_path.empty())
3150 tw_set_default_metadata(Internal_path.c_str());
Matt Mower87413642017-01-17 21:14:46 -06003151
Ethan Yonker5eac2222014-06-11 12:22:55 -05003152 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003153 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05003154 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04003155 }
Dees_Troy43d8b002012-09-17 16:00:01 -04003156}
Dees_Troye58d5262012-09-21 12:27:57 -04003157
3158void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04003159 if (!Has_Android_Secure)
3160 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00003161 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04003162 if (!Mount(true)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003163 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Backup_Name));
Dees_Troye58d5262012-09-21 12:27:57 -04003164 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00003165 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003166 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05003167 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05003168 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04003169 }
3170}
bigbiff7cb4c332014-11-26 20:36:07 -05003171
3172uint64_t TWPartition::Get_Max_FileSize() {
3173 uint64_t maxFileSize = 0;
3174 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
3175 const uint64_t constTB = (uint64_t) constGB * 1024;
3176 const uint64_t constPB = (uint64_t) constTB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05003177 if (Current_File_System == "ext4")
3178 maxFileSize = 16 * constTB; //16 TB
3179 else if (Current_File_System == "vfat")
3180 maxFileSize = 4 * constGB; //4 GB
Captain Throwback47bf7202020-10-06 17:39:39 -04003181 else if (Current_File_System == "ntfs" || Current_File_System == "tntfs")
bigbiff0c532032014-12-21 13:41:26 -05003182 maxFileSize = 256 * constTB; //256 TB
3183 else if (Current_File_System == "exfat")
3184 maxFileSize = 16 * constPB; //16 PB
3185 else if (Current_File_System == "ext3")
3186 maxFileSize = 2 * constTB; //2 TB
3187 else if (Current_File_System == "f2fs")
3188 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05003189 else
3190 maxFileSize = 100000000L;
3191 return maxFileSize - 1;
3192}
3193
bigbiffce8f83c2015-12-12 18:30:21 -05003194bool TWPartition::Flash_Image(PartitionSettings *part_settings) {
3195 string Restore_File_System, full_filename;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003196
Ethan Yonkere080c1f2016-09-19 13:50:25 -05003197 full_filename = part_settings->Backup_Folder + "/" + Backup_FileName;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003198
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003199 LOGINFO("Image filename is: %s\n", Backup_FileName.c_str());
bigbiffce8f83c2015-12-12 18:30:21 -05003200
3201 if (Backup_Method == BM_FILES) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003202 LOGERR("Cannot flash images to file systems\n");
3203 return false;
3204 } else if (!Can_Flash_Img) {
3205 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
3206 return false;
3207 } else {
3208 if (!Find_Partition_Size()) {
3209 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
3210 return false;
3211 }
bigbiffce8f83c2015-12-12 18:30:21 -05003212 unsigned long long image_size = TWFunc::Get_File_Size(full_filename);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003213 if (image_size > Size) {
Ethan Yonker74db1572015-10-28 12:44:49 -05003214 LOGINFO("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
Ethan Yonkerdcf2b672016-09-13 14:41:53 -05003215 image_size, Backup_FileName.c_str(), Actual_Block_Device.c_str(), Size);
Ethan Yonker74db1572015-10-28 12:44:49 -05003216 gui_err("img_size_err=Size of image is larger than target device");
Ethan Yonker96af84a2015-01-05 14:58:36 -06003217 return false;
3218 }
bigbiffce8f83c2015-12-12 18:30:21 -05003219 if (Backup_Method == BM_DD) {
3220 if (!part_settings->adbbackup) {
3221 if (Is_Sparse_Image(full_filename)) {
3222 return Flash_Sparse_Image(full_filename);
3223 }
Ethan Yonker472f5062016-02-25 13:47:30 -06003224 }
bigbiffce8f83c2015-12-12 18:30:21 -05003225 return Raw_Read_Write(part_settings);
3226 } else if (Backup_Method == BM_FLASH_UTILS) {
3227 return Flash_Image_FI(full_filename, NULL);
Ethan Yonker472f5062016-02-25 13:47:30 -06003228 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003229 }
3230
3231 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
3232 return false;
3233}
3234
Ethan Yonker472f5062016-02-25 13:47:30 -06003235bool TWPartition::Is_Sparse_Image(const string& Filename) {
HashBanged974bb2016-01-30 14:20:09 -05003236 uint32_t magic = 0;
3237 int fd = open(Filename.c_str(), O_RDONLY);
3238 if (fd < 0) {
3239 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3240 return false;
3241 }
bigbiffce8f83c2015-12-12 18:30:21 -05003242
HashBanged974bb2016-01-30 14:20:09 -05003243 if (read(fd, &magic, sizeof(magic)) != sizeof(magic)) {
3244 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Filename)(strerror(errno)));
3245 close(fd);
3246 return false;
3247 }
3248 close(fd);
Ethan Yonker472f5062016-02-25 13:47:30 -06003249 if (magic == SPARSE_HEADER_MAGIC)
3250 return true;
3251 return false;
3252}
3253
3254bool TWPartition::Flash_Sparse_Image(const string& Filename) {
3255 string Command;
3256
3257 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
3258
3259 Command = "simg2img '" + Filename + "' '" + Actual_Block_Device + "'";
Ethan Yonker96af84a2015-01-05 14:58:36 -06003260 LOGINFO("Flash command: '%s'\n", Command.c_str());
3261 TWFunc::Exec_Cmd(Command);
3262 return true;
3263}
3264
Ethan Yonker472f5062016-02-25 13:47:30 -06003265bool TWPartition::Flash_Image_FI(const string& Filename, ProgressTracking *progress) {
Ethan Yonker96af84a2015-01-05 14:58:36 -06003266 string Command;
Ethan Yonker472f5062016-02-25 13:47:30 -06003267 unsigned long long file_size;
Ethan Yonker96af84a2015-01-05 14:58:36 -06003268
Ethan Yonker74db1572015-10-28 12:44:49 -05003269 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
Ethan Yonker472f5062016-02-25 13:47:30 -06003270 if (progress) {
3271 file_size = (unsigned long long)(TWFunc::Get_File_Size(Filename));
3272 progress->SetPartitionSize(file_size);
3273 }
Ethan Yonker96af84a2015-01-05 14:58:36 -06003274 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
3275 Command = "erase_image " + MTD_Name;
3276 LOGINFO("Erase command: '%s'\n", Command.c_str());
3277 TWFunc::Exec_Cmd(Command);
3278 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
3279 LOGINFO("Flash command: '%s'\n", Command.c_str());
3280 TWFunc::Exec_Cmd(Command);
Ethan Yonker472f5062016-02-25 13:47:30 -06003281 if (progress)
3282 progress->UpdateSize(file_size);
Ethan Yonker96af84a2015-01-05 14:58:36 -06003283 return true;
3284}
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003285
3286void TWPartition::Change_Mount_Read_Only(bool new_value) {
3287 Mount_Read_Only = new_value;
3288}
3289
bigbiffce8f83c2015-12-12 18:30:21 -05003290bool TWPartition::Is_Read_Only() {
3291 return Mount_Read_Only;
3292}
3293
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003294int TWPartition::Check_Lifetime_Writes() {
3295 bool original_read_only = Mount_Read_Only;
3296 int ret = 1;
3297
3298 Mount_Read_Only = true;
3299 if (Mount(false)) {
3300 Find_Actual_Block_Device();
Ethan Yonker54970bb2019-01-17 16:19:24 -06003301 string temp = Actual_Block_Device;
3302 Find_Real_Block_Device(temp, false);
3303 string block = basename(temp.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05003304 string file = "/sys/fs/" + Current_File_System + "/" + block + "/lifetime_write_kbytes";
3305 string result;
3306 if (TWFunc::Path_Exists(file)) {
3307 if (TWFunc::read_file(file, result) != 0) {
3308 LOGINFO("Check_Lifetime_Writes of '%s' failed to read_file\n", file.c_str());
3309 } else {
3310 LOGINFO("Check_Lifetime_Writes result: '%s'\n", result.c_str());
3311 if (result == "0") {
3312 ret = 0;
3313 }
3314 }
3315 } else {
3316 LOGINFO("Check_Lifetime_Writes file does not exist '%s'\n", file.c_str());
3317 }
3318 UnMount(true);
3319 } else {
3320 LOGINFO("Check_Lifetime_Writes failed to mount '%s'\n", Mount_Point.c_str());
3321 }
3322 Mount_Read_Only = original_read_only;
3323 return ret;
3324}
Ethan Yonker66a19492015-12-10 10:19:45 -06003325
3326int TWPartition::Decrypt_Adopted() {
3327#ifdef TW_INCLUDE_CRYPTO
3328 int ret = 1;
3329 Is_Adopted_Storage = false;
3330 string Adopted_Key_File = "";
3331
3332 if (!Removable)
3333 return ret;
3334
3335 int fd = open(Alternate_Block_Device.c_str(), O_RDONLY);
3336 if (fd < 0) {
3337 LOGINFO("failed to open '%s'\n", Alternate_Block_Device.c_str());
3338 return ret;
3339 }
3340 char type_guid[80];
3341 char part_guid[80];
3342
nkk717aa6fc62017-03-24 18:28:03 +02003343 uint32_t p_num;
3344 size_t last_digit = Primary_Block_Device.find_last_not_of("0123456789");
3345 if ((last_digit != string::npos) && (last_digit != Primary_Block_Device.length()-1))
3346 p_num = atoi(Primary_Block_Device.substr(last_digit + 1).c_str()) + 1;
3347 else
3348 p_num = 2;
3349
3350 if (gpt_disk_get_partition_info(fd, p_num, type_guid, part_guid) == 0) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003351 LOGINFO("type: '%s'\n", type_guid);
3352 LOGINFO("part: '%s'\n", part_guid);
3353 Adopted_GUID = part_guid;
3354 LOGINFO("Adopted_GUID '%s'\n", Adopted_GUID.c_str());
3355 if (strcmp(type_guid, TWGptAndroidExpand) == 0) {
3356 LOGINFO("android_expand found\n");
3357 Adopted_Key_File = "/data/misc/vold/expand_";
3358 Adopted_Key_File += part_guid;
3359 Adopted_Key_File += ".key";
3360 if (TWFunc::Path_Exists(Adopted_Key_File)) {
3361 Is_Adopted_Storage = true;
3362 /* Until we find a use case for this, I think it is safe
3363 * to disable USB Mass Storage whenever adopted storage
3364 * is present.
3365 */
nkk717aa6fc62017-03-24 18:28:03 +02003366 if (p_num == 2) {
3367 // TODO: Properly detect mixed vs fully adopted storage. Maybe this
3368 // should be moved to partitionmanager instead, and disable after
3369 // checking all partitions. Also the presence of adopted storage does
3370 // not necessarily mean it's being used as Internal Storage
3371 LOGINFO("Detected adopted storage, disabling USB mass storage mode\n");
3372 DataManager::SetValue("tw_has_usb_storage", 0);
3373 }
Ethan Yonker66a19492015-12-10 10:19:45 -06003374 }
3375 }
3376 }
3377
3378 if (Is_Adopted_Storage) {
nkk717aa6fc62017-03-24 18:28:03 +02003379 string Adopted_Block_Device = Alternate_Block_Device + "p" + TWFunc::to_string(p_num);
Ethan Yonker66a19492015-12-10 10:19:45 -06003380 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
nkk717aa6fc62017-03-24 18:28:03 +02003381 Adopted_Block_Device = Alternate_Block_Device + TWFunc::to_string(p_num);
Ethan Yonker66a19492015-12-10 10:19:45 -06003382 if (!TWFunc::Path_Exists(Adopted_Block_Device)) {
3383 LOGINFO("Adopted block device does not exist\n");
3384 goto exit;
3385 }
3386 }
3387 LOGINFO("key file is '%s', block device '%s'\n", Adopted_Key_File.c_str(), Adopted_Block_Device.c_str());
3388 char crypto_blkdev[MAXPATHLEN];
3389 std::string thekey;
3390 int fdkey = open(Adopted_Key_File.c_str(), O_RDONLY);
3391 if (fdkey < 0) {
3392 LOGINFO("failed to open key file\n");
3393 goto exit;
3394 }
3395 char buf[512];
3396 ssize_t n;
3397 while ((n = read(fdkey, &buf[0], sizeof(buf))) > 0) {
3398 thekey.append(buf, n);
3399 }
3400 close(fdkey);
3401 unsigned char* key = (unsigned char*) thekey.data();
3402 cryptfs_revert_ext_volume(part_guid);
3403
3404 ret = cryptfs_setup_ext_volume(part_guid, Adopted_Block_Device.c_str(), key, thekey.size(), crypto_blkdev);
3405 if (ret == 0) {
3406 LOGINFO("adopted storage new block device: '%s'\n", crypto_blkdev);
3407 Decrypted_Block_Device = crypto_blkdev;
3408 Is_Decrypted = true;
3409 Is_Encrypted = true;
3410 Find_Actual_Block_Device();
Kjell Braden3126a112016-06-19 16:58:15 +00003411 if (!Mount_Storage_Retry(false)) {
Ethan Yonker66a19492015-12-10 10:19:45 -06003412 LOGERR("Failed to mount decrypted adopted storage device\n");
3413 Is_Decrypted = false;
3414 Is_Encrypted = false;
3415 cryptfs_revert_ext_volume(part_guid);
3416 ret = 1;
3417 } else {
Ethan Yonkerfcf3f242016-02-16 12:30:26 -06003418 UnMount(false);
3419 Has_Android_Secure = false;
3420 Symlink_Path = "";
3421 Symlink_Mount_Point = "";
3422 Backup_Name = Mount_Point.substr(1);
3423 Backup_Path = Mount_Point;
3424 TWPartition* sdext = PartitionManager.Find_Partition_By_Path("/sd-ext");
3425 if (sdext && sdext->Actual_Block_Device == Adopted_Block_Device) {
3426 LOGINFO("Removing /sd-ext from partition list due to adopted storage\n");
3427 PartitionManager.Remove_Partition_By_Path("/sd-ext");
3428 }
Ethan Yonker66a19492015-12-10 10:19:45 -06003429 Setup_Data_Media();
Ethan Yonker66a19492015-12-10 10:19:45 -06003430 Wipe_Available_in_GUI = true;
3431 Wipe_During_Factory_Reset = true;
3432 Can_Be_Backed_Up = true;
3433 Can_Encrypt_Backup = true;
3434 Use_Userdata_Encryption = true;
3435 Is_Storage = true;
3436 Storage_Name = "Adopted Storage";
3437 Is_SubPartition = true;
3438 SubPartition_Of = "/data";
3439 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
3440 DataManager::SetValue("tw_has_adopted_storage", 1);
3441 }
3442 } else {
3443 LOGERR("Failed to setup adopted storage decryption\n");
3444 }
3445 }
3446exit:
Matt Mower06543e32017-01-06 15:25:26 -06003447 close(fd);
Ethan Yonker66a19492015-12-10 10:19:45 -06003448 return ret;
3449#else
3450 LOGINFO("Decrypt_Adopted: no crypto support\n");
3451 return 1;
3452#endif
3453}
3454
3455void TWPartition::Revert_Adopted() {
3456#ifdef TW_INCLUDE_CRYPTO
3457 if (!Adopted_GUID.empty()) {
3458 PartitionManager.Remove_MTP_Storage(Mount_Point);
3459 UnMount(false);
3460 cryptfs_revert_ext_volume(Adopted_GUID.c_str());
3461 Is_Adopted_Storage = false;
3462 Is_Encrypted = false;
3463 Is_Decrypted = false;
3464 Decrypted_Block_Device = "";
3465 Find_Actual_Block_Device();
3466 Wipe_During_Factory_Reset = false;
3467 Can_Be_Backed_Up = false;
3468 Can_Encrypt_Backup = false;
3469 Use_Userdata_Encryption = false;
3470 Is_SubPartition = false;
3471 SubPartition_Of = "";
3472 Has_Data_Media = false;
3473 Storage_Path = Mount_Point;
3474 if (!Symlink_Mount_Point.empty()) {
3475 TWPartition* Dat = PartitionManager.Find_Partition_By_Path("/data");
3476 if (Dat) {
3477 Dat->UnMount(false);
3478 Dat->Symlink_Mount_Point = Symlink_Mount_Point;
3479 }
3480 Symlink_Mount_Point = "";
3481 }
3482 }
3483#else
3484 LOGINFO("Revert_Adopted: no crypto support\n");
3485#endif
3486}
bigbiff bigbiffb5ecaad2017-03-20 18:53:53 -04003487
3488void TWPartition::Set_Backup_FileName(string fname) {
3489 Backup_FileName = fname;
3490}
3491
3492string TWPartition::Get_Backup_Name() {
3493 return Backup_Name;
3494}
bigbiffee7b7ff2020-03-23 15:08:27 -04003495
3496string TWPartition::Get_Mount_Point() {
3497 return Mount_Point;
3498}
3499
3500void TWPartition::Set_Block_Device(std::string block_device) {
3501 Primary_Block_Device = Actual_Block_Device = block_device;
3502}
3503
3504bool TWPartition::Get_Super_Status() {
3505 return Is_Super;
3506}
3507
3508void TWPartition::Set_Can_Be_Backed_Up(bool val) {
3509 Can_Be_Backed_Up = val;
3510}
3511
3512void TWPartition::Set_Can_Be_Wiped(bool val) {
3513 Can_Be_Wiped = val;
3514 Wipe_Available_in_GUI = val;
bigbiffad58e1b2020-07-06 20:24:34 -04003515}
3516
3517std::string TWPartition::Get_Backup_FileName() {
3518 return Backup_FileName;
3519}
3520
3521std::string TWPartition::Get_Display_Name() {
3522 return Display_Name;
3523}
3524
3525bool TWPartition::Is_SlotSelect() {
3526 return SlotSelect;
Mohd Faraz815e2402020-09-19 19:31:52 +05303527}