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Dees Troy3be70a82013-10-22 14:25:12 +00001/*
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002 Copyright 2013 TeamWin
Dees Troy3be70a82013-10-22 14:25:12 +00003 This file is part of TWRP/TeamWin Recovery Project.
4
5 TWRP is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 TWRP is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with TWRP. If not, see <http://www.gnu.org/licenses/>.
17*/
Dees_Troy51a0e822012-09-05 15:24:24 -040018
19#include <stdio.h>
20#include <stdlib.h>
21#include <string.h>
22#include <sys/stat.h>
23#include <sys/vfs.h>
Dees_Troy5bf43922012-09-07 16:07:55 -040024#include <sys/mount.h>
Dees_Troy51a0e822012-09-05 15:24:24 -040025#include <unistd.h>
Dees_Troy51127312012-09-08 13:08:49 -040026#include <dirent.h>
bigbiff bigbiff9c754052013-01-09 09:09:08 -050027#include <iostream>
28#include <sstream>
Dees_Troy51a0e822012-09-05 15:24:24 -040029
Dees_Troy657c3092012-09-10 20:32:10 -040030#ifdef TW_INCLUDE_CRYPTO
31 #include "cutils/properties.h"
32#endif
33
bigbiff7b4c7a62015-01-01 19:44:14 -050034#include "libblkid/include/blkid.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040035#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000036#include "twcommon.h"
Dees_Troy51a0e822012-09-05 15:24:24 -040037#include "partitions.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040038#include "data.hpp"
Dees_Troy43d8b002012-09-17 16:00:01 -040039#include "twrp-functions.hpp"
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -050040#include "twrpDigest.hpp"
bigbiff bigbiff9c754052013-01-09 09:09:08 -050041#include "twrpTar.hpp"
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050042#include "twrpDU.hpp"
bigbiff bigbiff6b600f92014-01-05 18:13:43 -050043#include "fixPermissions.hpp"
Ethan Yonker1b7a31b2014-07-03 15:09:22 -050044#include "infomanager.hpp"
Ethan Yonker4b94cfd2014-12-11 10:00:45 -060045#include "set_metadata.h"
Ethan Yonker74db1572015-10-28 12:44:49 -050046#include "gui/gui.hpp"
Dees_Troy5bf43922012-09-07 16:07:55 -040047extern "C" {
Dees_Troy38bd7602012-09-14 13:33:53 -040048 #include "mtdutils/mtdutils.h"
49 #include "mtdutils/mounts.h"
Dees_Troya95f55c2013-08-17 13:14:43 +000050#ifdef USE_EXT4
51 #include "make_ext4fs.h"
52#endif
Ethan Yonker71413f42014-02-26 13:36:08 -060053
54#ifdef TW_INCLUDE_CRYPTO
Ethan Yonker253368a2014-11-25 15:00:52 -060055 #include "crypto/lollipop/cryptfs.h"
Ethan Yonkerbc85b632015-08-09 12:48:14 -050056#else
57 #define CRYPT_FOOTER_OFFSET 0x4000
Ethan Yonker71413f42014-02-26 13:36:08 -060058#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040059}
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040060#ifdef HAVE_SELINUX
61#include "selinux/selinux.h"
Ethan Yonkerf27497f2014-02-09 11:48:33 -060062#include <selinux/label.h>
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040063#endif
Dees Troy4159aed2014-02-28 17:24:43 +000064#ifdef HAVE_CAPABILITIES
65#include <sys/capability.h>
66#include <sys/xattr.h>
67#include <linux/xattr.h>
68#endif
Dees_Troy51a0e822012-09-05 15:24:24 -040069
bigbiff bigbiff9c754052013-01-09 09:09:08 -050070using namespace std;
71
Dees_Troya95f55c2013-08-17 13:14:43 +000072extern struct selabel_handle *selinux_handle;
Ethan Yonker6277c792014-09-15 14:54:30 -050073extern bool datamedia;
Dees_Troya95f55c2013-08-17 13:14:43 +000074
Hashcode62bd9e02013-11-19 21:59:42 -080075struct flag_list {
76 const char *name;
77 unsigned flag;
78};
79
80static struct flag_list mount_flags[] = {
81 { "noatime", MS_NOATIME },
82 { "noexec", MS_NOEXEC },
83 { "nosuid", MS_NOSUID },
84 { "nodev", MS_NODEV },
85 { "nodiratime", MS_NODIRATIME },
86 { "ro", MS_RDONLY },
87 { "rw", 0 },
88 { "remount", MS_REMOUNT },
89 { "bind", MS_BIND },
90 { "rec", MS_REC },
Dees Troyc4bc30e2014-02-03 15:04:19 +000091#ifdef MS_UNBINDABLE
Hashcode62bd9e02013-11-19 21:59:42 -080092 { "unbindable", MS_UNBINDABLE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000093#endif
94#ifdef MS_PRIVATE
Hashcode62bd9e02013-11-19 21:59:42 -080095 { "private", MS_PRIVATE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000096#endif
97#ifdef MS_SLAVE
Hashcode62bd9e02013-11-19 21:59:42 -080098 { "slave", MS_SLAVE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000099#endif
100#ifdef MS_SHARED
Hashcode62bd9e02013-11-19 21:59:42 -0800101 { "shared", MS_SHARED },
Dees Troyc4bc30e2014-02-03 15:04:19 +0000102#endif
Hashcode62bd9e02013-11-19 21:59:42 -0800103 { "sync", MS_SYNCHRONOUS },
104 { "defaults", 0 },
105 { 0, 0 },
106};
107
that9e0593e2014-10-08 00:01:24 +0200108TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400109 Can_Be_Mounted = false;
110 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500111 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200112 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400113 Wipe_During_Factory_Reset = false;
114 Wipe_Available_in_GUI = false;
115 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400116 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400117 SubPartition_Of = "";
118 Symlink_Path = "";
119 Symlink_Mount_Point = "";
120 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400121 Backup_Path = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400122 Actual_Block_Device = "";
123 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400124 Alternate_Block_Device = "";
125 Removable = false;
126 Is_Present = false;
127 Length = 0;
128 Size = 0;
129 Used = 0;
130 Free = 0;
131 Backup_Size = 0;
132 Can_Be_Encrypted = false;
133 Is_Encrypted = false;
134 Is_Decrypted = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600135 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400136 Decrypted_Block_Device = "";
137 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500138 Backup_Display_Name = "";
139 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400140 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400141 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400142 MTD_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400143 Backup_Method = NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000144 Can_Encrypt_Backup = false;
145 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400146 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400147 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400148 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500149 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400150 Storage_Path = "";
151 Current_File_System = "";
152 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800153 Mount_Flags = 0;
154 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400155 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000156 Ignore_Blkid = false;
Dees_Troy16c2b312013-01-15 16:51:18 +0000157 Retain_Layout_Version = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600158 Crypto_Key_Location = "footer";
Ethan Yonker726a0202014-12-16 20:01:38 -0600159 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600160 Can_Flash_Img = false;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500161 Mount_Read_Only = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400162}
163
164TWPartition::~TWPartition(void) {
165 // Do nothing
166}
167
Dees_Troy5bf43922012-09-07 16:07:55 -0400168bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
169 char full_line[MAX_FSTAB_LINE_LENGTH], item[MAX_FSTAB_LINE_LENGTH];
170 int line_len = Line.size(), index = 0, item_index = 0;
171 char* ptr;
Dees_Troy51127312012-09-08 13:08:49 -0400172 string Flags;
Dees_Troy5bf43922012-09-07 16:07:55 -0400173 strncpy(full_line, Line.c_str(), line_len);
Dees_Troya13d74f2013-03-24 08:54:55 -0500174 bool skip = false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400175
Dees_Troy51127312012-09-08 13:08:49 -0400176 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500177 if (full_line[index] == 34)
178 skip = !skip;
179 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400180 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400181 }
Dees_Troy7c2dec82012-09-26 09:49:14 -0400182 Mount_Point = full_line;
Dees_Troy2673cec2013-04-02 20:22:16 +0000183 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -0400184 Backup_Path = Mount_Point;
Dees_Troya13d74f2013-03-24 08:54:55 -0500185 Storage_Path = Mount_Point;
Dees_Troy70737fa2013-04-08 13:19:20 +0000186 Display_Name = full_line + 1;
187 Backup_Display_Name = Display_Name;
188 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400189 index = Mount_Point.size();
190 while (index < line_len) {
191 while (index < line_len && full_line[index] == '\0')
192 index++;
193 if (index >= line_len)
194 continue;
195 ptr = full_line + index;
196 if (item_index == 0) {
197 // File System
198 Fstab_File_System = ptr;
199 Current_File_System = ptr;
200 item_index++;
201 } else if (item_index == 1) {
202 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400203 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400204 MTD_Name = ptr;
205 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400206 } else if (Fstab_File_System == "bml") {
207 if (Mount_Point == "/boot")
208 MTD_Name = "boot";
209 else if (Mount_Point == "/recovery")
210 MTD_Name = "recovery";
211 Primary_Block_Device = ptr;
212 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000213 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 -0400214 } else if (*ptr != '/') {
Dees_Troy5bf43922012-09-07 16:07:55 -0400215 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000216 LOGERR("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400217 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000218 LOGINFO("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400219 return 0;
Dees_Troy38bd7602012-09-14 13:33:53 -0400220 } else {
221 Primary_Block_Device = ptr;
222 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400223 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400224 item_index++;
225 } else if (item_index > 1) {
226 if (*ptr == '/') {
227 // Alternate Block Device
228 Alternate_Block_Device = ptr;
229 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
230 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
231 // Partition length
232 ptr += 7;
233 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400234 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
235 // Custom flags, save for later so that new values aren't overwritten by defaults
236 ptr += 6;
237 Flags = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000238 Process_Flags(Flags, Display_Error);
Dees_Troy38bd7602012-09-14 13:33:53 -0400239 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
240 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400241 } else {
242 // Unhandled data
Dees_Troy2673cec2013-04-02 20:22:16 +0000243 LOGINFO("Unhandled fstab information: '%s', %i, line: '%s'\n", ptr, index, Line.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400244 }
245 }
246 while (index < line_len && full_line[index] != '\0')
247 index++;
248 }
249
250 if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
251 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000252 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400253 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000254 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400255 return 0;
256 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400257 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400258 Setup_File_System(Display_Error);
259 if (Mount_Point == "/system") {
260 Display_Name = "System";
Dees_Troya13d74f2013-03-24 08:54:55 -0500261 Backup_Display_Name = Display_Name;
262 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400263 Wipe_Available_in_GUI = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500264 Can_Be_Backed_Up = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500265 Mount_Read_Only = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400266 } else if (Mount_Point == "/data") {
Dees Troyc657cc02015-01-16 22:48:47 +0000267 UnMount(false); // added in case /data is mounted as tmpfs for qcom hardware decrypt
Dees_Troy5bf43922012-09-07 16:07:55 -0400268 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500269 Backup_Display_Name = Display_Name;
270 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400271 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400272 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500273 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000274 Can_Encrypt_Backup = true;
275 Use_Userdata_Encryption = true;
Ethan Yonker6277c792014-09-15 14:54:30 -0500276 if (datamedia)
that9e0593e2014-10-08 00:01:24 +0200277 Setup_Data_Media();
Dees_Troy5bf43922012-09-07 16:07:55 -0400278#ifdef TW_INCLUDE_CRYPTO
279 Can_Be_Encrypted = true;
Dees_Troy657c3092012-09-10 20:32:10 -0400280 char crypto_blkdev[255];
281 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
282 if (strcmp(crypto_blkdev, "error") != 0) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400283 DataManager::SetValue(TW_DATA_BLK_DEVICE, Primary_Block_Device);
Dees_Troy657c3092012-09-10 20:32:10 -0400284 DataManager::SetValue(TW_IS_DECRYPTED, 1);
285 Is_Encrypted = true;
286 Is_Decrypted = true;
287 Decrypted_Block_Device = crypto_blkdev;
Dees_Troy2673cec2013-04-02 20:22:16 +0000288 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
Dees_Troy657c3092012-09-10 20:32:10 -0400289 } else if (!Mount(false)) {
Ethan Yonker71413f42014-02-26 13:36:08 -0600290 if (Is_Present) {
Ethan Yonker253368a2014-11-25 15:00:52 -0600291 set_partition_data(Actual_Block_Device.c_str(), Crypto_Key_Location.c_str(), Fstab_File_System.c_str());
Ethan Yonker71413f42014-02-26 13:36:08 -0600292 if (cryptfs_check_footer() == 0) {
293 Is_Encrypted = true;
294 Is_Decrypted = false;
295 Can_Be_Mounted = false;
296 Current_File_System = "emmc";
297 Setup_Image(Display_Error);
298 DataManager::SetValue(TW_IS_ENCRYPTED, 1);
Vojtech Bocek7e11ac52015-03-05 23:21:49 +0100299 DataManager::SetValue(TW_CRYPTO_PWTYPE, cryptfs_get_password_type());
Ethan Yonker71413f42014-02-26 13:36:08 -0600300 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
301 DataManager::SetValue("tw_crypto_display", "");
302 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -0500303 gui_err("mount_data_footer=Could not mount /data and unable to find crypto footer.");
Ethan Yonker71413f42014-02-26 13:36:08 -0600304 }
305 } else {
306 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n", Primary_Block_Device.c_str(), Mount_Point.c_str());
307 }
Gary Peck82599a82012-11-21 16:23:12 -0800308 } else {
309 // Filesystem is not encrypted and the mount
310 // succeeded, so get it back to the original
311 // unmounted state
312 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -0400313 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500314 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted)))
Dees_Troy9b21af72012-10-01 15:51:46 -0400315 Recreate_Media_Folder();
Dees_Troy9b21af72012-10-01 15:51:46 -0400316#else
Ethan Yonker6277c792014-09-15 14:54:30 -0500317 if (datamedia)
318 Recreate_Media_Folder();
Dees_Troy5bf43922012-09-07 16:07:55 -0400319#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400320 } else if (Mount_Point == "/cache") {
321 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500322 Backup_Display_Name = Display_Name;
323 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400324 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400325 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500326 Can_Be_Backed_Up = true;
Dees_Troyce2fe772012-09-28 12:34:33 -0400327 if (Mount(false) && !TWFunc::Path_Exists("/cache/recovery/.")) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000328 LOGINFO("Recreating /cache/recovery folder.\n");
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500329 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500330 return -1;
Dees_Troyb46a6842012-09-25 11:06:46 -0400331 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400332 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400333 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400334 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500335 Backup_Display_Name = Display_Name;
336 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400337 Is_SubPartition = true;
338 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400339 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500340 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000341 Can_Encrypt_Backup = true;
342 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400343 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400344 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400345 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500346 Backup_Display_Name = Display_Name;
347 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400348 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400349 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500350 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000351 Can_Encrypt_Backup = true;
352 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400353 } else if (Mount_Point == "/boot") {
354 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500355 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400356 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500357 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500358 } else if (Mount_Point == "/vendor") {
359 Display_Name = "Vendor";
360 Backup_Display_Name = Display_Name;
361 Storage_Name = Display_Name;
362 Mount_Read_Only = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400363 }
364#ifdef TW_EXTERNAL_STORAGE_PATH
365 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
366 Is_Storage = true;
367 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400368 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500369 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400370#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000371 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400372 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400373 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500374 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400375#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000376 }
Dees_Troy8170a922012-09-18 15:40:25 -0400377#ifdef TW_INTERNAL_STORAGE_PATH
378 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
379 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500380 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400381 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500382 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400383 }
384#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000385 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400386 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500387 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500388 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400389 }
390#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400391 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400392 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400393 Setup_Image(Display_Error);
Dees_Troya13d74f2013-03-24 08:54:55 -0500394 if (Mount_Point == "/boot") {
395 Display_Name = "Boot";
396 Backup_Display_Name = Display_Name;
397 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600398 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500399 } else if (Mount_Point == "/recovery") {
400 Display_Name = "Recovery";
401 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600402 Can_Flash_Img = true;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500403 } else if (Mount_Point == "/system_image") {
404 Display_Name = "System Image";
405 Backup_Display_Name = Display_Name;
406 Can_Flash_Img = false;
407 Can_Be_Backed_Up = true;
Ethan Yonker1673e3d2015-10-26 21:51:58 -0500408 } else if (Mount_Point == "/vendor_image") {
409 Display_Name = "Vendor Image";
410 Backup_Display_Name = Display_Name;
411 Can_Flash_Img = false;
412 Can_Be_Backed_Up = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500413 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400414 }
415
Dees_Troy51127312012-09-08 13:08:49 -0400416 // Process any custom flags
417 if (Flags.size() > 0)
418 Process_Flags(Flags, Display_Error);
Dees_Troy51127312012-09-08 13:08:49 -0400419 return true;
420}
421
Ketut Putu Kumajayabfb72b02015-08-10 16:40:55 +0200422bool TWPartition::Process_FS_Flags(string& Options, int& Flags) {
Hashcode62bd9e02013-11-19 21:59:42 -0800423 int i;
424 char *p;
425 char *savep;
426 char fs_options[250];
427
428 strlcpy(fs_options, Options.c_str(), sizeof(fs_options));
429 Options = "";
430
431 p = strtok_r(fs_options, ",", &savep);
432 while (p) {
433 /* Look for the flag "p" in the flag list "fl"
434 * If not found, the loop exits with fl[i].name being null.
435 */
436 for (i = 0; mount_flags[i].name; i++) {
437 if (strncmp(p, mount_flags[i].name, strlen(mount_flags[i].name)) == 0) {
438 Flags |= mount_flags[i].flag;
439 break;
440 }
441 }
442
443 if (!mount_flags[i].name) {
444 if (Options.size() > 0)
445 Options += ",";
446 Options += p;
447 }
448 p = strtok_r(NULL, ",", &savep);
449 }
450
451 return true;
452}
453
Dees_Troy51127312012-09-08 13:08:49 -0400454bool TWPartition::Process_Flags(string Flags, bool Display_Error) {
455 char flags[MAX_FSTAB_LINE_LENGTH];
Dees_Troya13d74f2013-03-24 08:54:55 -0500456 int flags_len, index = 0, ptr_len;
Dees_Troy51127312012-09-08 13:08:49 -0400457 char* ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500458 bool skip = false, has_display_name = false, has_storage_name = false, has_backup_name = false;
Dees_Troy51127312012-09-08 13:08:49 -0400459
460 strcpy(flags, Flags.c_str());
461 flags_len = Flags.size();
462 for (index = 0; index < flags_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500463 if (flags[index] == 34)
464 skip = !skip;
465 if (!skip && flags[index] == ';')
Dees_Troy51127312012-09-08 13:08:49 -0400466 flags[index] = '\0';
467 }
468
469 index = 0;
470 while (index < flags_len) {
471 while (index < flags_len && flags[index] == '\0')
472 index++;
473 if (index >= flags_len)
474 continue;
475 ptr = flags + index;
Dees_Troya13d74f2013-03-24 08:54:55 -0500476 ptr_len = strlen(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400477 if (strcmp(ptr, "removable") == 0) {
478 Removable = true;
Ethan Yonker06c3f932014-02-02 22:11:14 -0600479 } else if (strncmp(ptr, "storage", 7) == 0) {
480 if (ptr_len == 7) {
Ethan Yonker06c3f932014-02-02 22:11:14 -0600481 Is_Storage = true;
482 } else if (ptr_len == 9) {
483 ptr += 9;
484 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
485 LOGINFO("storage set to true\n");
486 Is_Storage = true;
487 } else {
488 LOGINFO("storage set to false\n");
489 Is_Storage = false;
490 }
491 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500492 } else if (strcmp(ptr, "settingsstorage") == 0) {
493 Is_Storage = true;
Xueferbfce5042015-04-14 02:02:05 +0800494 Is_Settings_Storage = true;
Matt Mowerbf4efa32014-04-14 23:25:26 -0500495 } else if (strcmp(ptr, "andsec") == 0) {
496 Has_Android_Secure = true;
Dees_Troy63c8df72012-09-10 14:02:05 -0400497 } else if (strcmp(ptr, "canbewiped") == 0) {
498 Can_Be_Wiped = true;
Hashcodedabfd492013-08-29 22:45:30 -0700499 } else if (strcmp(ptr, "usermrf") == 0) {
500 Use_Rm_Rf = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500501 } else if (ptr_len > 7 && strncmp(ptr, "backup=", 7) == 0) {
502 ptr += 7;
503 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
504 Can_Be_Backed_Up = true;
505 else
506 Can_Be_Backed_Up = false;
Dees_Troy63c8df72012-09-10 14:02:05 -0400507 } else if (strcmp(ptr, "wipeingui") == 0) {
508 Can_Be_Wiped = true;
509 Wipe_Available_in_GUI = true;
510 } else if (strcmp(ptr, "wipeduringfactoryreset") == 0) {
511 Can_Be_Wiped = true;
512 Wipe_Available_in_GUI = true;
513 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500514 } else if (ptr_len > 15 && strncmp(ptr, "subpartitionof=", 15) == 0) {
Dees_Troy2c4c26f2013-01-28 15:26:43 +0000515 ptr += 15;
Dees_Troy51127312012-09-08 13:08:49 -0400516 Is_SubPartition = true;
517 SubPartition_Of = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000518 } else if (strcmp(ptr, "ignoreblkid") == 0) {
519 Ignore_Blkid = true;
Dees_Troy16c2b312013-01-15 16:51:18 +0000520 } else if (strcmp(ptr, "retainlayoutversion") == 0) {
521 Retain_Layout_Version = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500522 } else if (ptr_len > 8 && strncmp(ptr, "symlink=", 8) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400523 ptr += 8;
524 Symlink_Path = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500525 } else if (ptr_len > 8 && strncmp(ptr, "display=", 8) == 0) {
526 has_display_name = true;
Dees_Troy51127312012-09-08 13:08:49 -0400527 ptr += 8;
Dees_Troya13d74f2013-03-24 08:54:55 -0500528 if (*ptr == '\"') ptr++;
Dees_Troy51127312012-09-08 13:08:49 -0400529 Display_Name = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500530 if (Display_Name.substr(Display_Name.size() - 1, 1) == "\"") {
531 Display_Name.resize(Display_Name.size() - 1);
532 }
533 } else if (ptr_len > 11 && strncmp(ptr, "storagename=", 11) == 0) {
534 has_storage_name = true;
535 ptr += 11;
536 if (*ptr == '\"') ptr++;
537 Storage_Name = ptr;
538 if (Storage_Name.substr(Storage_Name.size() - 1, 1) == "\"") {
539 Storage_Name.resize(Storage_Name.size() - 1);
540 }
541 } else if (ptr_len > 11 && strncmp(ptr, "backupname=", 10) == 0) {
542 has_backup_name = true;
543 ptr += 10;
544 if (*ptr == '\"') ptr++;
545 Backup_Display_Name = ptr;
546 if (Backup_Display_Name.substr(Backup_Display_Name.size() - 1, 1) == "\"") {
547 Backup_Display_Name.resize(Backup_Display_Name.size() - 1);
548 }
549 } else if (ptr_len > 10 && strncmp(ptr, "blocksize=", 10) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400550 ptr += 10;
Ethan Yonkera2719152015-05-28 09:44:41 -0500551 Format_Block_Size = (unsigned long)(atol(ptr));
Dees_Troya13d74f2013-03-24 08:54:55 -0500552 } else if (ptr_len > 7 && strncmp(ptr, "length=", 7) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400553 ptr += 7;
554 Length = atoi(ptr);
Dees_Troy83bd4832013-05-04 12:39:56 +0000555 } else if (ptr_len > 17 && strncmp(ptr, "canencryptbackup=", 17) == 0) {
556 ptr += 17;
557 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
558 Can_Encrypt_Backup = true;
559 else
560 Can_Encrypt_Backup = false;
561 } else if (ptr_len > 21 && strncmp(ptr, "userdataencryptbackup=", 21) == 0) {
562 ptr += 21;
563 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
564 Can_Encrypt_Backup = true;
565 Use_Userdata_Encryption = true;
566 } else {
567 Use_Userdata_Encryption = false;
568 }
Hashcode62bd9e02013-11-19 21:59:42 -0800569 } else if (ptr_len > 8 && strncmp(ptr, "fsflags=", 8) == 0) {
570 ptr += 8;
571 if (*ptr == '\"') ptr++;
572
573 Mount_Options = ptr;
574 if (Mount_Options.substr(Mount_Options.size() - 1, 1) == "\"") {
575 Mount_Options.resize(Mount_Options.size() - 1);
576 }
577 Process_FS_Flags(Mount_Options, Mount_Flags);
Ethan Yonker253368a2014-11-25 15:00:52 -0600578 } else if ((ptr_len > 12 && strncmp(ptr, "encryptable=", 12) == 0) || (ptr_len > 13 && strncmp(ptr, "forceencrypt=", 13) == 0)) {
579 ptr += 12;
580 if (*ptr == '=') ptr++;
581 if (*ptr == '\"') ptr++;
582
583 Crypto_Key_Location = ptr;
584 if (Crypto_Key_Location.substr(Crypto_Key_Location.size() - 1, 1) == "\"") {
585 Crypto_Key_Location.resize(Crypto_Key_Location.size() - 1);
586 }
587 } else if (ptr_len > 8 && strncmp(ptr, "mounttodecrypt", 14) == 0) {
588 Mount_To_Decrypt = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600589 } else if (strncmp(ptr, "flashimg", 8) == 0) {
590 if (ptr_len == 8) {
591 Can_Flash_Img = true;
592 } else if (ptr_len == 10) {
593 ptr += 9;
594 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
595 Can_Flash_Img = true;
596 } else {
597 Can_Flash_Img = false;
598 }
599 }
Dees_Troy51127312012-09-08 13:08:49 -0400600 } else {
601 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000602 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400603 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000604 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400605 }
606 while (index < flags_len && flags[index] != '\0')
607 index++;
608 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500609 if (has_display_name && !has_storage_name)
610 Storage_Name = Display_Name;
611 if (!has_display_name && has_storage_name)
612 Display_Name = Storage_Name;
Dees_Troy74fb2e92013-04-15 14:35:47 +0000613 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
Dees_Troya13d74f2013-03-24 08:54:55 -0500614 Backup_Display_Name = Display_Name;
615 if (!has_display_name && has_backup_name)
616 Display_Name = Backup_Display_Name;
Dees_Troy51127312012-09-08 13:08:49 -0400617 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -0400618}
619
Dees_Troy5bf43922012-09-07 16:07:55 -0400620bool TWPartition::Is_File_System(string File_System) {
621 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -0400622 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400623 File_System == "ext4" ||
624 File_System == "vfat" ||
625 File_System == "ntfs" ||
626 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -0500627 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +0000628 File_System == "f2fs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400629 File_System == "auto")
630 return true;
631 else
632 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400633}
634
Dees_Troy5bf43922012-09-07 16:07:55 -0400635bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400636 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400637 return true;
638 else
639 return false;
640}
641
Dees_Troy51127312012-09-08 13:08:49 -0400642bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Dees_Troy43d8b002012-09-17 16:00:01 -0400643 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -0400644 if (mkdir(Path.c_str(), 0777) == -1) {
645 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -0500646 gui_msg(Msg(msg::kError, "create_folder_strerr=Can not create '{1}' folder ({2}).")(Path)(strerror(errno)));
Dees_Troy51127312012-09-08 13:08:49 -0400647 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000648 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400649 return false;
650 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +0000651 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400652 return true;
653 }
654 }
655 return true;
656}
657
Dees_Troy5bf43922012-09-07 16:07:55 -0400658void TWPartition::Setup_File_System(bool Display_Error) {
659 struct statfs st;
660
661 Can_Be_Mounted = true;
662 Can_Be_Wiped = true;
663
Dees_Troy5bf43922012-09-07 16:07:55 -0400664 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -0400665 Make_Dir(Mount_Point, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400666 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
667 Backup_Name = Display_Name;
668 Backup_Method = FILES;
669}
670
671void TWPartition::Setup_Image(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400672 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
673 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -0800674 if (Current_File_System == "emmc")
Dees_Troy5bf43922012-09-07 16:07:55 -0400675 Backup_Method = DD;
Gary Peck82599a82012-11-21 16:23:12 -0800676 else if (Current_File_System == "mtd" || Current_File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400677 Backup_Method = FLASH_UTILS;
678 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000679 LOGINFO("Unhandled file system '%s' on image '%s'\n", Current_File_System.c_str(), Display_Name.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400680 if (Find_Partition_Size()) {
681 Used = Size;
682 Backup_Size = Size;
Dees_Troy51a0e822012-09-05 15:24:24 -0400683 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400684 if (Display_Error)
Dees Troyd932ce12013-10-18 17:12:59 +0000685 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400686 else
Dees Troyd932ce12013-10-18 17:12:59 +0000687 LOGINFO("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy51a0e822012-09-05 15:24:24 -0400688 }
689}
690
Dees_Troye58d5262012-09-21 12:27:57 -0400691void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500692 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -0400693 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -0500694 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -0400695 Has_Android_Secure = true;
696 Symlink_Path = Mount_Point + "/.android_secure";
697 Symlink_Mount_Point = "/and-sec";
698 Backup_Path = Symlink_Mount_Point;
699 Make_Dir("/and-sec", true);
700 Recreate_AndSec_Folder();
Ethan Yonkerd4d10732014-02-03 15:27:52 -0600701 Mount_Storage_Retry();
Dees_Troye58d5262012-09-21 12:27:57 -0400702}
703
that9e0593e2014-10-08 00:01:24 +0200704void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -0500705 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
706 Storage_Name = "Internal Storage";
707 Has_Data_Media = true;
708 Is_Storage = true;
709 Is_Settings_Storage = true;
710 Storage_Path = "/data/media";
711 Symlink_Path = Storage_Path;
712 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
713 Make_Dir("/emmc", false);
714 Symlink_Mount_Point = "/emmc";
715 } else {
716 Make_Dir("/sdcard", false);
717 Symlink_Mount_Point = "/sdcard";
718 }
719 if (Mount(false) && TWFunc::Path_Exists("/data/media/0")) {
720 Storage_Path = "/data/media/0";
721 Symlink_Path = Storage_Path;
722 DataManager::SetValue(TW_INTERNAL_PATH, "/data/media/0");
723 UnMount(true);
724 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500725 DataManager::SetValue("tw_has_internal", 1);
726 DataManager::SetValue("tw_has_data_media", 1);
727 du.add_absolute_dir("/data/media");
728}
729
Dees_Troy5bf43922012-09-07 16:07:55 -0400730void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
731 char device[512], realDevice[512];
732
733 strcpy(device, Block.c_str());
734 memset(realDevice, 0, sizeof(realDevice));
735 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
736 {
737 strcpy(device, realDevice);
738 memset(realDevice, 0, sizeof(realDevice));
739 }
740
741 if (device[0] != '/') {
742 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000743 LOGERR("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400744 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000745 LOGINFO("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400746 return;
Dees_Troy51a0e822012-09-05 15:24:24 -0400747 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400748 Block = device;
749 return;
750 }
751}
752
Dees_Troy8e337f32012-10-13 22:07:49 -0400753void TWPartition::Mount_Storage_Retry(void) {
754 // On some devices, storage doesn't want to mount right away, retry and sleep
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500755 if (!Mount(true)) {
Dees_Troy8e337f32012-10-13 22:07:49 -0400756 int retry_count = 5;
757 while (retry_count > 0 && !Mount(false)) {
758 usleep(500000);
759 retry_count--;
760 }
761 Mount(true);
762 }
763}
764
Dees_Troy38bd7602012-09-14 13:33:53 -0400765bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
766 FILE *fp = NULL;
767 char line[255];
768
769 fp = fopen("/proc/mtd", "rt");
770 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000771 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400772 return false;
773 }
774
775 while (fgets(line, sizeof(line), fp) != NULL)
776 {
777 char device[32], label[32];
778 unsigned long size = 0;
779 char* fstype = NULL;
780 int deviceId;
781
782 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
783
784 // Skip header and blank lines
785 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
786 continue;
787
788 // Strip off the trailing " from the label
789 label[strlen(label)-1] = '\0';
790
791 if (strcmp(label, MTD_Name.c_str()) == 0) {
792 // We found our device
793 // Strip off the trailing : from the device
794 device[strlen(device)-1] = '\0';
795 if (sscanf(device,"mtd%d", &deviceId) == 1) {
796 sprintf(device, "/dev/block/mtdblock%d", deviceId);
797 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +0000798 fclose(fp);
799 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -0400800 }
801 }
802 }
803 fclose(fp);
804
805 return false;
806}
807
Dees_Troy51127312012-09-08 13:08:49 -0400808bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
809 struct statfs st;
810 string Local_Path = Mount_Point + "/.";
811
812 if (!Mount(Display_Error))
813 return false;
814
815 if (statfs(Local_Path.c_str(), &st) != 0) {
816 if (!Removable) {
817 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000818 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400819 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000820 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400821 }
822 return false;
823 }
824 Size = (st.f_blocks * st.f_bsize);
825 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
826 Free = (st.f_bfree * st.f_bsize);
827 Backup_Size = Used;
828 return true;
829}
830
831bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400832 FILE* fp;
833 char command[255], line[512];
834 int include_block = 1;
835 unsigned int min_len;
836
837 if (!Mount(Display_Error))
838 return false;
839
Dees_Troy38bd7602012-09-14 13:33:53 -0400840 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -0400841 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +0200842 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -0400843 fp = fopen("/tmp/dfoutput.txt", "rt");
844 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000845 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -0400846 return false;
Dees_Troy51127312012-09-08 13:08:49 -0400847 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400848
849 while (fgets(line, sizeof(line), fp) != NULL)
850 {
851 unsigned long blocks, used, available;
852 char device[64];
853 char tmpString[64];
854
855 if (strncmp(line, "Filesystem", 10) == 0)
856 continue;
857 if (strlen(line) < min_len) {
858 include_block = 0;
859 continue;
860 }
861 if (include_block) {
862 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
863 } else {
864 // The device block string is so long that the df information is on the next line
865 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -0400866 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400867 while (tmpString[space_count] == 32)
868 space_count++;
869 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
870 }
871
872 // Adjust block size to byte size
873 Size = blocks * 1024ULL;
874 Used = used * 1024ULL;
875 Free = available * 1024ULL;
876 Backup_Size = Used;
877 }
878 fclose(fp);
879 return true;
880}
881
Ethan Yonkerd18a8212015-12-14 10:17:00 -0600882unsigned long long TWPartition::IOCTL_Get_Block_Size() {
Ethan Yonkerd18a8212015-12-14 10:17:00 -0600883 Find_Actual_Block_Device();
Ethan Yonker483e9f42016-01-11 22:21:18 -0600884
885 return TWFunc::IOCTL_Get_Block_Size(Actual_Block_Device.c_str());
Ethan Yonkerd18a8212015-12-14 10:17:00 -0600886}
887
Dees_Troy5bf43922012-09-07 16:07:55 -0400888bool TWPartition::Find_Partition_Size(void) {
889 FILE* fp;
890 char line[512];
891 string tmpdevice;
892
igoriok87e3d932013-01-31 21:03:53 +0200893 fp = fopen("/proc/dumchar_info", "rt");
894 if (fp != NULL) {
895 while (fgets(line, sizeof(line), fp) != NULL)
896 {
897 char label[32], device[32];
898 unsigned long size = 0;
899
thatd43bf2d2014-09-21 23:13:02 +0200900 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +0200901
bigbiff bigbiff34684ff2013-12-01 21:03:45 -0500902 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +0200903 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
904 continue;
905
906 tmpdevice = "/dev/";
907 tmpdevice += label;
908 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
909 Size = size;
910 fclose(fp);
911 return true;
912 }
913 }
914 }
915
Ethan Yonkerd18a8212015-12-14 10:17:00 -0600916 unsigned long long ioctl_size = IOCTL_Get_Block_Size();
917 if (ioctl_size) {
918 Size = ioctl_size;
919 return true;
920 }
921
Dees_Troy5bf43922012-09-07 16:07:55 -0400922 // In this case, we'll first get the partitions we care about (with labels)
923 fp = fopen("/proc/partitions", "rt");
924 if (fp == NULL)
925 return false;
926
927 while (fgets(line, sizeof(line), fp) != NULL)
928 {
929 unsigned long major, minor, blocks;
930 char device[512];
931 char tmpString[64];
932
Dees_Troy63c8df72012-09-10 14:02:05 -0400933 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -0400934 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
935
936 tmpdevice = "/dev/block/";
937 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -0400938 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400939 // Adjust block size to byte size
940 Size = blocks * 1024ULL;
941 fclose(fp);
942 return true;
943 }
944 }
945 fclose(fp);
946 return false;
947}
948
Dees_Troy5bf43922012-09-07 16:07:55 -0400949bool TWPartition::Is_Mounted(void) {
950 if (!Can_Be_Mounted)
951 return false;
952
953 struct stat st1, st2;
954 string test_path;
955
956 // Check to see if the mount point directory exists
957 test_path = Mount_Point + "/.";
958 if (stat(test_path.c_str(), &st1) != 0) return false;
959
960 // Check to see if the directory above the mount point exists
961 test_path = Mount_Point + "/../.";
962 if (stat(test_path.c_str(), &st2) != 0) return false;
963
964 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
965 int ret = (st1.st_dev != st2.st_dev) ? true : false;
966
967 return ret;
968}
969
970bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000971 int exfat_mounted = 0;
Ethan Yonkereb32b1f2015-05-18 10:23:03 -0500972 unsigned long flags = Mount_Flags;
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000973
Dees_Troy5bf43922012-09-07 16:07:55 -0400974 if (Is_Mounted()) {
975 return true;
976 } else if (!Can_Be_Mounted) {
977 return false;
978 }
Dees_Troy38bd7602012-09-14 13:33:53 -0400979
980 Find_Actual_Block_Device();
981
982 // Check the current file system before mounting
983 Check_FS_Type();
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000984 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/exfat-fuse")) {
Dees_Troye34c1332013-02-06 19:13:00 +0000985 string cmd = "/sbin/exfat-fuse -o big_writes,max_read=131072,max_write=131072 " + Actual_Block_Device + " " + Mount_Point;
Dees_Troy2673cec2013-04-02 20:22:16 +0000986 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000987 string result;
988 if (TWFunc::Exec_Cmd(cmd, result) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000989 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000990 Current_File_System = "vfat";
991 } else {
992#ifdef TW_NO_EXFAT_FUSE
993 UnMount(false);
994 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
995 // Some kernels let us mount vfat as exfat which doesn't work out too well
996#else
997 exfat_mounted = 1;
998#endif
999 }
1000 }
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001001
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001002 if (Current_File_System == "ntfs" && (TWFunc::Path_Exists("/sbin/ntfs-3g") || TWFunc::Path_Exists("/sbin/mount.ntfs"))) {
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001003 string cmd;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001004 string Ntfsmount_Binary = "";
1005
1006 if (TWFunc::Path_Exists("/sbin/ntfs-3g"))
1007 Ntfsmount_Binary = "ntfs-3g";
1008 else if (TWFunc::Path_Exists("/sbin/mount.ntfs"))
1009 Ntfsmount_Binary = "mount.ntfs";
1010
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001011 if (Mount_Read_Only)
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001012 cmd = "/sbin/" + Ntfsmount_Binary + " -o ro " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001013 else
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001014 cmd = "/sbin/" + Ntfsmount_Binary + " " + Actual_Block_Device + " " + Mount_Point;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001015 LOGINFO("cmd: '%s'\n", cmd.c_str());
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001016
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001017 if (TWFunc::Exec_Cmd(cmd) == 0) {
1018 return true;
1019 } else {
1020 LOGINFO("ntfs-3g failed to mount, trying regular mount method.\n");
1021 }
1022 }
1023
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001024 if (Mount_Read_Only)
1025 flags |= MS_RDONLY;
1026
Dees_Troy22042032012-12-18 21:23:08 +00001027 if (Fstab_File_System == "yaffs2") {
1028 // mount an MTD partition as a YAFFS2 filesystem.
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001029 flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
1030 if (Mount_Read_Only)
1031 flags |= MS_RDONLY;
Dees_Troy76543db2013-06-19 16:24:30 +00001032 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
1033 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
1034 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001035 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001036 else
1037 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1038 return false;
1039 } else {
1040 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
1041 return true;
1042 }
1043 } else {
1044 struct stat st;
1045 string test_path = Mount_Point;
1046 if (stat(test_path.c_str(), &st) < 0) {
1047 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001048 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy76543db2013-06-19 16:24:30 +00001049 else
1050 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
1051 return false;
1052 }
1053 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
1054 if (new_mode != st.st_mode) {
1055 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
1056 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
1057 if (Display_Error)
1058 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1059 else
1060 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
1061 return false;
1062 }
1063 }
Dees_Troy22042032012-12-18 21:23:08 +00001064 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001065 }
thatc7572eb2015-03-31 18:55:30 +02001066 }
1067
1068 string mount_fs = Current_File_System;
1069 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sys/module/texfat"))
1070 mount_fs = "texfat";
1071
1072 if (!exfat_mounted &&
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001073 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, Mount_Options.c_str()) != 0 &&
1074 mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), mount_fs.c_str(), flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001075#ifdef TW_NO_EXFAT_FUSE
1076 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001077 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001078 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001079 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001080 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy85f44ed2013-01-09 18:42:36 +00001081 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001082 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05001083 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 +00001084 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001085 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001086 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001087#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001088 if (!Removable && Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001089 gui_msg(Msg(msg::kError, "fail_mount=Failed to mount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001090 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001091 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1092 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 +00001093 return false;
1094#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001095 }
1096#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001097 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001098
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001099 if (Removable)
1100 Update_Size(Display_Error);
1101
xiaolu9416f4f2015-06-04 08:22:23 +08001102 if (!Symlink_Mount_Point.empty() && TWFunc::Path_Exists(Symlink_Path)) {
codelover2a3d4ce2015-03-14 20:26:49 +08001103 string Command = "mount -o bind '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
Vojtech Bocek05534202013-09-11 08:11:56 +02001104 TWFunc::Exec_Cmd(Command);
Dees_Troy5bf43922012-09-07 16:07:55 -04001105 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001106 return true;
1107}
1108
1109bool TWPartition::UnMount(bool Display_Error) {
1110 if (Is_Mounted()) {
1111 int never_unmount_system;
1112
1113 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
1114 if (never_unmount_system == 1 && Mount_Point == "/system")
1115 return true; // Never unmount system if you're not supposed to unmount it
1116
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001117 if (Is_Storage)
Ethan Yonker726a0202014-12-16 20:01:38 -06001118 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001119
Dees_Troy38bd7602012-09-14 13:33:53 -04001120 if (!Symlink_Mount_Point.empty())
1121 umount(Symlink_Mount_Point.c_str());
1122
Dees_Troyb05ddee2013-01-28 20:24:50 +00001123 umount(Mount_Point.c_str());
1124 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001125 if (Display_Error)
Ethan Yonker74db1572015-10-28 12:44:49 -05001126 gui_msg(Msg(msg::kError, "fail_unmount=Failed to unmount '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy5bf43922012-09-07 16:07:55 -04001127 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001128 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001129 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001130 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001131 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001132 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001133 } else {
1134 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001135 }
1136}
1137
Gary Peck43acadf2012-11-21 21:19:01 -08001138bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001139 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b312013-01-15 16:51:18 +00001140 int check;
1141 string Layout_Filename = Mount_Point + "/.layout_version";
1142
Dees_Troy38bd7602012-09-14 13:33:53 -04001143 if (!Can_Be_Wiped) {
Matt Mower3c366972015-12-25 19:28:31 -06001144 gui_msg(Msg(msg::kError, "cannot_wipe=Partition {1} cannot be wiped.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001145 return false;
1146 }
1147
Dees_Troyc51f1f92012-09-20 15:32:13 -04001148 if (Mount_Point == "/cache")
Dees_Troy2673cec2013-04-02 20:22:16 +00001149 Log_Offset = 0;
Dees_Troyc51f1f92012-09-20 15:32:13 -04001150
Dees_Troy16c2b312013-01-15 16:51:18 +00001151 if (Retain_Layout_Version && Mount(false) && TWFunc::Path_Exists(Layout_Filename))
1152 TWFunc::copy_file(Layout_Filename, "/.layout_version", 0600);
1153 else
1154 unlink("/.layout_version");
Dees_Troy38bd7602012-09-14 13:33:53 -04001155
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001156 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001157 wiped = Wipe_Data_Without_Wiping_Media();
Ethan Yonker5eac2222014-06-11 12:22:55 -05001158 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001159 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001160 DataManager::GetValue(TW_RM_RF_VAR, check);
1161
Hashcodedabfd492013-08-29 22:45:30 -07001162 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001163 wiped = Wipe_RMRF();
1164 else if (New_File_System == "ext4")
1165 wiped = Wipe_EXT4();
1166 else if (New_File_System == "ext2" || New_File_System == "ext3")
1167 wiped = Wipe_EXT23(New_File_System);
1168 else if (New_File_System == "vfat")
1169 wiped = Wipe_FAT();
1170 else if (New_File_System == "exfat")
1171 wiped = Wipe_EXFAT();
1172 else if (New_File_System == "yaffs2")
1173 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001174 else if (New_File_System == "f2fs")
1175 wiped = Wipe_F2FS();
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001176 else if (New_File_System == "ntfs")
1177 wiped = Wipe_NTFS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001178 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001179 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 +00001180 unlink("/.layout_version");
1181 return false;
1182 }
1183 update_crypt = wiped;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001184 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001185
Gary Pecke8bc5d72012-12-21 06:45:25 -08001186 if (wiped) {
Dees_Troy1c1ac442013-01-17 21:42:14 +00001187 if (Mount_Point == "/cache")
1188 DataManager::Output_Version();
1189
Dees_Troy16c2b312013-01-15 16:51:18 +00001190 if (TWFunc::Path_Exists("/.layout_version") && Mount(false))
1191 TWFunc::copy_file("/.layout_version", Layout_Filename, 0600);
1192
1193 if (update_crypt) {
1194 Setup_File_System(false);
1195 if (Is_Encrypted && !Is_Decrypted) {
1196 // just wiped an encrypted partition back to its unencrypted state
1197 Is_Encrypted = false;
1198 Is_Decrypted = false;
1199 Decrypted_Block_Device = "";
1200 if (Mount_Point == "/data") {
1201 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1202 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1203 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001204 }
1205 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001206
1207 if (Mount_Point == "/data" && Has_Data_Media && recreate_media) {
1208 Recreate_Media_Folder();
1209 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001210 }
Ethan Yonker726a0202014-12-16 20:01:38 -06001211 if (Is_Storage) {
1212 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001213 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001214 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001215}
1216
Gary Peck43acadf2012-11-21 21:19:01 -08001217bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001218 if (Is_File_System(Current_File_System))
1219 return Wipe(Current_File_System);
1220 else
1221 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001222}
1223
Dees_Troye58d5262012-09-21 12:27:57 -04001224bool TWPartition::Wipe_AndSec(void) {
1225 if (!Has_Android_Secure)
1226 return false;
1227
Dees_Troye58d5262012-09-21 12:27:57 -04001228 if (!Mount(true))
1229 return false;
1230
Ethan Yonker74db1572015-10-28 12:44:49 -05001231 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001232 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001233 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001234}
1235
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001236bool TWPartition::Can_Repair() {
Ethan Yonkera2719152015-05-28 09:44:41 -05001237 if (Mount_Read_Only)
1238 return false;
Matt Mower18794c82015-11-11 16:22:45 -06001239 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/sbin/fsck.fat"))
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001240 return true;
1241 else if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/e2fsck"))
1242 return true;
1243 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/fsck.exfat"))
1244 return true;
1245 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/sbin/fsck.f2fs"))
1246 return true;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001247 else if (Current_File_System == "ntfs" && (TWFunc::Path_Exists("/sbin/ntfsfix") || TWFunc::Path_Exists("/sbin/fsck.ntfs")))
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001248 return true;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001249 return false;
1250}
1251
1252bool TWPartition::Repair() {
1253 string command;
1254
1255 if (Current_File_System == "vfat") {
Matt Mower18794c82015-11-11 16:22:45 -06001256 if (!TWFunc::Path_Exists("/sbin/fsck.fat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001257 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001258 return false;
1259 }
1260 if (!UnMount(true))
1261 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001262 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.fat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001263 Find_Actual_Block_Device();
Matt Mower18794c82015-11-11 16:22:45 -06001264 command = "/sbin/fsck.fat -y " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001265 LOGINFO("Repair command: %s\n", command.c_str());
1266 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001267 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001268 return true;
1269 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001270 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001271 return false;
1272 }
1273 }
1274 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1275 if (!TWFunc::Path_Exists("/sbin/e2fsck")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001276 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001277 return false;
1278 }
1279 if (!UnMount(true))
1280 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001281 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("e2fsck"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001282 Find_Actual_Block_Device();
Ethan Yonkera2719152015-05-28 09:44:41 -05001283 command = "/sbin/e2fsck -fp " + Actual_Block_Device;
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001284 LOGINFO("Repair command: %s\n", command.c_str());
1285 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001286 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001287 return true;
1288 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001289 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001290 return false;
1291 }
1292 }
1293 if (Current_File_System == "exfat") {
1294 if (!TWFunc::Path_Exists("/sbin/fsck.exfat")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001295 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001296 return false;
1297 }
1298 if (!UnMount(true))
1299 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001300 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.exfat"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001301 Find_Actual_Block_Device();
1302 command = "/sbin/fsck.exfat " + Actual_Block_Device;
1303 LOGINFO("Repair command: %s\n", command.c_str());
1304 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001305 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001306 return true;
1307 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001308 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001309 return false;
1310 }
1311 }
1312 if (Current_File_System == "f2fs") {
1313 if (!TWFunc::Path_Exists("/sbin/fsck.f2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001314 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001315 return false;
1316 }
1317 if (!UnMount(true))
1318 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001319 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)("fsck.f2fs"));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001320 Find_Actual_Block_Device();
1321 command = "/sbin/fsck.f2fs " + Actual_Block_Device;
1322 LOGINFO("Repair command: %s\n", command.c_str());
1323 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001324 gui_msg("done=Done.");
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001325 return true;
1326 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001327 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001328 return false;
1329 }
1330 }
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001331 if (Current_File_System == "ntfs") {
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001332 string Ntfsfix_Binary;
1333 if (TWFunc::Path_Exists("/sbin/ntfsfix"))
1334 Ntfsfix_Binary = "ntfsfix";
1335 else if (TWFunc::Path_Exists("/sbin/fsck.ntfs"))
1336 Ntfsfix_Binary = "fsck.ntfs";
1337 else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001338 gui_msg(Msg(msg::kError, "repair_not_exist={1} does not exist! Cannot repair!")("ntfsfix"));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001339 return false;
1340 }
1341 if (!UnMount(true))
1342 return false;
Greg Wallace2d653402015-12-29 14:19:21 -05001343 gui_msg(Msg("repairing_using=Repairing {1} using {2}...")(Display_Name)(Ntfsfix_Binary));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001344 Find_Actual_Block_Device();
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001345 command = "/sbin/" + Ntfsfix_Binary + " " + Actual_Block_Device;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001346 LOGINFO("Repair command: %s\n", command.c_str());
1347 if (TWFunc::Exec_Cmd(command) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001348 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001349 return true;
1350 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001351 gui_msg(Msg(msg::kError, "unable_repair=Unable to repair {1}.")(Display_Name));
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001352 return false;
1353 }
1354 }
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001355 return false;
1356}
1357
Ethan Yonkera2719152015-05-28 09:44:41 -05001358bool TWPartition::Can_Resize() {
1359 if (Mount_Read_Only)
1360 return false;
1361 if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/resize2fs"))
1362 return true;
1363 return false;
1364}
1365
1366bool TWPartition::Resize() {
1367 string command;
1368
1369 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1370 if (!Can_Repair()) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001371 LOGINFO("Cannot resize %s because %s cannot be repaired before resizing.\n", Display_Name.c_str(), Display_Name.c_str());
1372 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001373 return false;
1374 }
1375 if (!TWFunc::Path_Exists("/sbin/resize2fs")) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001376 LOGINFO("resize2fs does not exist! Cannot resize!\n");
1377 gui_msg(Msg(msg::kError, "cannot_resize=Cannot resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001378 return false;
1379 }
1380 // Repair will unmount so no need to do it twice
Ethan Yonker74db1572015-10-28 12:44:49 -05001381 gui_msg(Msg("repair_resize=Repairing {1} before resizing.")( Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001382 if (!Repair())
1383 return false;
Ethan Yonker74db1572015-10-28 12:44:49 -05001384 gui_msg(Msg("resizing=Resizing {1} using {2}...")(Display_Name)("resize2fs"));
Ethan Yonkera2719152015-05-28 09:44:41 -05001385 Find_Actual_Block_Device();
1386 command = "/sbin/resize2fs " + Actual_Block_Device;
1387 if (Length != 0) {
Ethan Yonkerd18a8212015-12-14 10:17:00 -06001388 unsigned long long Actual_Size = IOCTL_Get_Block_Size();
1389 if (Actual_Size == 0)
1390 return false;
Ethan Yonkera2719152015-05-28 09:44:41 -05001391
Ethan Yonkera2719152015-05-28 09:44:41 -05001392 unsigned long long Block_Count;
1393 if (Length < 0) {
1394 // Reduce overall size by this length
1395 Block_Count = (Actual_Size / 1024LLU) - ((unsigned long long)(Length * -1) / 1024LLU);
1396 } else {
1397 // This is the size, not a size reduction
1398 Block_Count = ((unsigned long long)(Length) / 1024LLU);
1399 }
1400 char temp[256];
1401 sprintf(temp, "%llu", Block_Count);
1402 command += " ";
1403 command += temp;
1404 command += "K";
1405 }
1406 LOGINFO("Resize command: %s\n", command.c_str());
1407 if (TWFunc::Exec_Cmd(command) == 0) {
1408 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001409 gui_msg("done=Done.");
Ethan Yonkera2719152015-05-28 09:44:41 -05001410 return true;
1411 } else {
1412 Update_Size(true);
Ethan Yonker74db1572015-10-28 12:44:49 -05001413 gui_msg(Msg(msg::kError, "unable_resize=Unable to resize {1}.")(Display_Name));
Ethan Yonkera2719152015-05-28 09:44:41 -05001414 return false;
1415 }
1416 }
1417 return false;
1418}
1419
bigbiff7abc5fe2015-01-17 16:53:12 -05001420bool TWPartition::Backup(string backup_folder, const unsigned long long *overall_size, const unsigned long long *other_backups_size, pid_t &tar_fork_pid) {
1421 if (Backup_Method == FILES) {
1422 return Backup_Tar(backup_folder, overall_size, other_backups_size, tar_fork_pid);
1423 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001424 else if (Backup_Method == DD)
1425 return Backup_DD(backup_folder);
1426 else if (Backup_Method == FLASH_UTILS)
1427 return Backup_Dump_Image(backup_folder);
Dees_Troy2673cec2013-04-02 20:22:16 +00001428 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001429 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001430}
1431
Dees_Troy43d8b002012-09-17 16:00:01 -04001432bool TWPartition::Check_MD5(string restore_folder) {
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001433 string Full_Filename, md5file;
Dees_Troy43d8b002012-09-17 16:00:01 -04001434 char split_filename[512];
1435 int index = 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001436 twrpDigest md5sum;
Dees_Troy43d8b002012-09-17 16:00:01 -04001437
Captain Throwbackff5935f2014-09-23 16:08:34 -04001438 sync();
1439
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001440 memset(split_filename, 0, sizeof(split_filename));
Dees_Troy43d8b002012-09-17 16:00:01 -04001441 Full_Filename = restore_folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04001442 if (!TWFunc::Path_Exists(Full_Filename)) {
1443 // This is a split archive, we presume
1444 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
Dees_Troy2673cec2013-04-02 20:22:16 +00001445 LOGINFO("split_filename: %s\n", split_filename);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001446 md5file = split_filename;
1447 md5file += ".md5";
1448 if (!TWFunc::Path_Exists(md5file)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001449 gui_msg(Msg(msg::kError, "no_md5_found=No md5 file found for '{1}'. Please unselect Enable MD5 verification to restore.")(split_filename));
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001450 return false;
1451 }
1452 md5sum.setfn(split_filename);
Dees_Troy83bd4832013-05-04 12:39:56 +00001453 while (index < 1000) {
1454 if (TWFunc::Path_Exists(split_filename) && md5sum.verify_md5digest() != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001455 gui_msg(Msg(msg::kError, "md5_fail_match=MD5 failed to match on '{1}'.")(split_filename));
Dees_Troy43d8b002012-09-17 16:00:01 -04001456 return false;
1457 }
1458 index++;
1459 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001460 md5sum.setfn(split_filename);
Dees_Troy43d8b002012-09-17 16:00:01 -04001461 }
Dees_Troy4a2a1262012-09-18 09:33:47 -04001462 return true;
Dees_Troy43d8b002012-09-17 16:00:01 -04001463 } else {
1464 // Single file archive
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001465 md5file = Full_Filename + ".md5";
1466 if (!TWFunc::Path_Exists(md5file)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001467 gui_msg(Msg(msg::kError, "no_md5_found=No md5 file found for '{1}'. Please unselect Enable MD5 verification to restore.")(split_filename));
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001468 return false;
1469 }
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001470 md5sum.setfn(Full_Filename);
1471 if (md5sum.verify_md5digest() != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001472 gui_msg(Msg(msg::kError, "md5_fail_match=MD5 failed to match on '{1}'.")(split_filename));
Dees_Troy43d8b002012-09-17 16:00:01 -04001473 return false;
1474 } else
1475 return true;
1476 }
1477 return false;
1478}
1479
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001480bool TWPartition::Restore(string restore_folder, const unsigned long long *total_restore_size, unsigned long long *already_restored_size) {
Gary Peck43acadf2012-11-21 21:19:01 -08001481 string Restore_File_System;
1482
Matt Mower3c366972015-12-25 19:28:31 -06001483 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, gui_parse_text("{@restoring_hdr}"));
Dees_Troy2673cec2013-04-02 20:22:16 +00001484 LOGINFO("Restore filename is: %s\n", Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08001485
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001486 Restore_File_System = Get_Restore_File_System(restore_folder);
1487
1488 if (Is_File_System(Restore_File_System))
1489 return Restore_Tar(restore_folder, Restore_File_System, total_restore_size, already_restored_size);
1490 else if (Is_Image(Restore_File_System)) {
Ethan Yonkerf66324f2015-01-09 16:46:57 -06001491 return Restore_Image(restore_folder, total_restore_size, already_restored_size, Restore_File_System);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001492 }
1493
1494 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
1495 return false;
1496}
1497
1498string TWPartition::Get_Restore_File_System(string restore_folder) {
1499 size_t first_period, second_period;
1500 string Restore_File_System;
1501
Gary Peck43acadf2012-11-21 21:19:01 -08001502 // Parse backup filename to extract the file system before wiping
1503 first_period = Backup_FileName.find(".");
1504 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001505 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001506 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001507 }
1508 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
1509 second_period = Restore_File_System.find(".");
1510 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001511 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001512 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001513 }
1514 Restore_File_System.resize(second_period);
Dees_Troy2673cec2013-04-02 20:22:16 +00001515 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001516 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04001517}
1518
1519string TWPartition::Backup_Method_By_Name() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001520 if (Backup_Method == NONE)
1521 return "none";
1522 else if (Backup_Method == FILES)
1523 return "files";
1524 else if (Backup_Method == DD)
1525 return "dd";
1526 else if (Backup_Method == FLASH_UTILS)
1527 return "flash_utils";
1528 else
1529 return "undefined";
1530 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04001531}
1532
1533bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001534 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001535 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04001536 return 1;
1537}
1538
1539bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001540 bool Save_Data_Media = Has_Data_Media;
1541
1542 if (!UnMount(true))
1543 return false;
1544
Dees_Troy38bd7602012-09-14 13:33:53 -04001545 Has_Data_Media = false;
Dees_Troy74fb2e92013-04-15 14:35:47 +00001546 Decrypted_Block_Device = "";
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001547#ifdef TW_INCLUDE_CRYPTO
1548 if (Is_Decrypted) {
1549 if (!UnMount(true))
1550 return false;
Matt Mower2b18a532015-02-20 16:58:05 -06001551 if (delete_crypto_blk_dev((char*)("userdata")) != 0) {
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001552 LOGERR("Error deleting crypto block device, continuing anyway.\n");
1553 }
1554 }
1555#endif
Dees_Troy74fb2e92013-04-15 14:35:47 +00001556 Is_Decrypted = false;
1557 Is_Encrypted = false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001558 Find_Actual_Block_Device();
Ethan Yonkerbc85b632015-08-09 12:48:14 -05001559 if (Crypto_Key_Location == "footer") {
1560 int newlen, fd;
1561 if (Length != 0) {
1562 newlen = Length;
1563 if (newlen < 0)
1564 newlen = newlen * -1;
1565 } else {
1566 newlen = CRYPT_FOOTER_OFFSET;
1567 }
1568 if ((fd = open(Actual_Block_Device.c_str(), O_RDWR)) < 0) {
1569 gui_print_color("warning", "Unable to open '%s' to wipe crypto key\n", Actual_Block_Device.c_str());
1570 } else {
1571 unsigned int block_count;
1572 if ((ioctl(fd, BLKGETSIZE, &block_count)) == -1) {
1573 gui_print_color("warning", "Unable to get block size for wiping crypto footer.\n");
1574 } else {
1575 off64_t offset = ((off64_t)block_count * 512) - newlen;
1576 if (lseek64(fd, offset, SEEK_SET) == -1) {
1577 gui_print_color("warning", "Unable to lseek64 for wiping crypto footer.\n");
1578 } else {
1579 void* buffer = malloc(newlen);
1580 if (!buffer) {
1581 gui_print_color("warning", "Failed to malloc for wiping crypto footer.\n");
1582 } else {
1583 memset(buffer, 0, newlen);
1584 int ret = write(fd, buffer, newlen);
1585 if (ret != newlen) {
1586 gui_print_color("warning", "Failed to wipe crypto footer.\n");
1587 } else {
1588 LOGINFO("Successfully wiped crypto footer.\n");
1589 }
Matt Mower13a8f0b2015-09-26 15:40:03 -05001590 free(buffer);
Ethan Yonkerbc85b632015-08-09 12:48:14 -05001591 }
1592 }
1593 }
1594 close(fd);
1595 }
1596 } else {
1597 string Command = "flash_image " + Crypto_Key_Location + " /dev/zero";
1598 TWFunc::Exec_Cmd(Command);
1599 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001600 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001601 Has_Data_Media = Save_Data_Media;
1602 if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
1603 Recreate_Media_Folder();
Ethan Yonker726a0202014-12-16 20:01:38 -06001604 if (Mount(false))
1605 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001606 }
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001607 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05001608#ifndef TW_OEM_BUILD
Ethan Yonker74db1572015-10-28 12:44:49 -05001609 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 -05001610#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001611 return true;
1612 } else {
1613 Has_Data_Media = Save_Data_Media;
Ethan Yonker74db1572015-10-28 12:44:49 -05001614 gui_err("format_data_err=Unable to format to remove encryption.");
Ethan Yonker726a0202014-12-16 20:01:38 -06001615 if (Has_Data_Media && Mount(false))
1616 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001617 return false;
1618 }
1619 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001620}
1621
1622void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001623 const char* type;
1624 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04001625
Dees_Troy68cab492012-12-12 19:29:35 +00001626 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
1627 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04001628
Dees_Troy38bd7602012-09-14 13:33:53 -04001629 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04001630 if (!Is_Present)
1631 return;
Dees_Troy51127312012-09-08 13:08:49 -04001632
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001633 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
1634 if (blkid_do_fullprobe(pr)) {
1635 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001636 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001637 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04001638 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001639
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05001640 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001641 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001642 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001643 return;
1644 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001645
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001646 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001647 blkid_free_probe(pr);
Dees_Troy51a0e822012-09-05 15:24:24 -04001648}
1649
Gary Peck43acadf2012-11-21 21:19:01 -08001650bool TWPartition::Wipe_EXT23(string File_System) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001651 if (!UnMount(true))
1652 return false;
1653
Dees_Troy43d8b002012-09-17 16:00:01 -04001654 if (TWFunc::Path_Exists("/sbin/mke2fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001655 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001656
Greg Wallace4b44fef2015-12-29 15:33:24 -05001657 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mke2fs"));
Dees_Troy38bd7602012-09-14 13:33:53 -04001658 Find_Actual_Block_Device();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001659 command = "mke2fs -t " + File_System + " -m 0 " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001660 LOGINFO("mke2fs command: %s\n", command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001661 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001662 Current_File_System = File_System;
Dees_Troye58d5262012-09-21 12:27:57 -04001663 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001664 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04001665 return true;
1666 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001667 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001668 return false;
1669 }
1670 } else
1671 return Wipe_RMRF();
1672
1673 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001674}
1675
1676bool TWPartition::Wipe_EXT4() {
Ethan Yonker25f20c12014-10-14 09:04:43 -05001677 Find_Actual_Block_Device();
1678 if (!Is_Present) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001679 LOGINFO("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
1680 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Ethan Yonker25f20c12014-10-14 09:04:43 -05001681 return false;
1682 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001683 if (!UnMount(true))
1684 return false;
1685
Dees_Troyb3265ab2013-08-30 02:59:14 +00001686#if defined(HAVE_SELINUX) && defined(USE_EXT4)
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001687 int ret;
1688 char *secontext = NULL;
1689
Greg Wallace4b44fef2015-12-29 15:33:24 -05001690 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("make_ext4fs"));
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001691
Dees Troy99c8dbf2014-03-10 16:53:58 +00001692 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001693 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
1694 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), NULL);
1695 } else {
1696 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), selinux_handle);
1697 }
1698 if (ret != 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05001699 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troya95f55c2013-08-17 13:14:43 +00001700 return false;
1701 } else {
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04001702 string sedir = Mount_Point + "/lost+found";
1703 PartitionManager.Mount_By_Path(sedir.c_str(), true);
1704 rmdir(sedir.c_str());
1705 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00001706 return true;
1707 }
1708#else
Dees_Troy43d8b002012-09-17 16:00:01 -04001709 if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001710 string Command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001711
Greg Wallace4b44fef2015-12-29 15:33:24 -05001712 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("make_ext4fs"));
Dees_Troy38bd7602012-09-14 13:33:53 -04001713 Find_Actual_Block_Device();
1714 Command = "make_ext4fs";
1715 if (!Is_Decrypted && Length != 0) {
1716 // Only use length if we're not decrypted
1717 char len[32];
1718 sprintf(len, "%i", Length);
1719 Command += " -l ";
1720 Command += len;
1721 }
Dees_Troy5295d582013-09-06 15:51:08 +00001722 if (TWFunc::Path_Exists("/file_contexts")) {
1723 Command += " -S /file_contexts";
1724 }
1725 Command += " -a " + Mount_Point + " " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001726 LOGINFO("make_ext4fs command: %s\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001727 if (TWFunc::Exec_Cmd(Command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001728 Current_File_System = "ext4";
Dees_Troye58d5262012-09-21 12:27:57 -04001729 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001730 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04001731 return true;
1732 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001733 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001734 return false;
1735 }
1736 } else
Gary Peck43acadf2012-11-21 21:19:01 -08001737 return Wipe_EXT23("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00001738#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001739 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001740}
1741
1742bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001743 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001744
Matt Mower18794c82015-11-11 16:22:45 -06001745 if (TWFunc::Path_Exists("/sbin/mkfs.fat")) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001746 if (!UnMount(true))
1747 return false;
1748
Greg Wallace4b44fef2015-12-29 15:33:24 -05001749 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkfs.fat"));
Dees_Troy38bd7602012-09-14 13:33:53 -04001750 Find_Actual_Block_Device();
Matt Mower18794c82015-11-11 16:22:45 -06001751 command = "mkfs.fat " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001752 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001753 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04001754 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001755 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -04001756 return true;
1757 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001758 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troy38bd7602012-09-14 13:33:53 -04001759 return false;
1760 }
1761 return true;
1762 }
1763 else
1764 return Wipe_RMRF();
1765
1766 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001767}
1768
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001769bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001770 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001771
1772 if (TWFunc::Path_Exists("/sbin/mkexfatfs")) {
1773 if (!UnMount(true))
1774 return false;
1775
Greg Wallace4b44fef2015-12-29 15:33:24 -05001776 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkexfatfs"));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001777 Find_Actual_Block_Device();
1778 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001779 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001780 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001781 gui_msg("done=Done.");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001782 return true;
1783 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001784 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001785 return false;
1786 }
1787 return true;
1788 }
1789 return false;
1790}
1791
Dees_Troy38bd7602012-09-14 13:33:53 -04001792bool TWPartition::Wipe_MTD() {
1793 if (!UnMount(true))
1794 return false;
1795
Greg Wallace4b44fef2015-12-29 15:33:24 -05001796 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("MTD"));
Dees_Troy38bd7602012-09-14 13:33:53 -04001797
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001798 mtd_scan_partitions();
1799 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
1800 if (mtd == NULL) {
1801 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
1802 return false;
1803 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001804
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001805 MtdWriteContext* ctx = mtd_write_partition(mtd);
1806 if (ctx == NULL) {
1807 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
1808 return false;
1809 }
1810 if (mtd_erase_blocks(ctx, -1) == -1) {
1811 mtd_write_close(ctx);
1812 LOGERR("Failed to format '%s'", MTD_Name.c_str());
1813 return false;
1814 }
1815 if (mtd_write_close(ctx) != 0) {
1816 LOGERR("Failed to close '%s'", MTD_Name.c_str());
1817 return false;
1818 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001819 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04001820 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001821 gui_msg("done=Done.");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001822 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001823}
1824
1825bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001826 if (!Mount(true))
1827 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06001828 // This is the only wipe that leaves the partition mounted, so we
1829 // must manually remove the partition from MTP if it is a storage
1830 // partition.
1831 if (Is_Storage)
1832 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001833
Ethan Yonker74db1572015-10-28 12:44:49 -05001834 gui_msg(Msg("remove_all=Removing all files under '{1}'")(Mount_Point));
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001835 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04001836 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001837 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001838}
1839
Dees_Troye5017042013-08-29 16:38:55 +00001840bool TWPartition::Wipe_F2FS() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001841 string command;
Dees_Troye5017042013-08-29 16:38:55 +00001842
1843 if (TWFunc::Path_Exists("/sbin/mkfs.f2fs")) {
1844 if (!UnMount(true))
1845 return false;
1846
Greg Wallace4b44fef2015-12-29 15:33:24 -05001847 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)("mkfs.f2fs"));
Dees_Troye5017042013-08-29 16:38:55 +00001848 Find_Actual_Block_Device();
dhacker29a3fa75f2015-01-17 19:42:33 -05001849 command = "mkfs.f2fs -t 1";
1850 if (!Is_Decrypted && Length != 0) {
1851 // Only use length if we're not decrypted
1852 char len[32];
1853 int mod_length = Length;
1854 if (Length < 0)
1855 mod_length *= -1;
1856 sprintf(len, "%i", mod_length);
1857 command += " -r ";
1858 command += len;
1859 }
1860 command += " " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001861 if (TWFunc::Exec_Cmd(command) == 0) {
Dees_Troye5017042013-08-29 16:38:55 +00001862 Recreate_AndSec_Folder();
Ethan Yonker74db1572015-10-28 12:44:49 -05001863 gui_msg("done=Done.");
Dees_Troye5017042013-08-29 16:38:55 +00001864 return true;
1865 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001866 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
Dees_Troye5017042013-08-29 16:38:55 +00001867 return false;
1868 }
1869 return true;
1870 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05001871 LOGINFO("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
Dees_Troye5017042013-08-29 16:38:55 +00001872 return Wipe_RMRF();
1873 }
1874 return false;
1875}
1876
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001877bool TWPartition::Wipe_NTFS() {
1878 string command;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001879 string Ntfsmake_Binary;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001880
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001881 if (TWFunc::Path_Exists("/sbin/mkntfs"))
1882 Ntfsmake_Binary = "mkntfs";
1883 else if (TWFunc::Path_Exists("/sbin/mkfs.ntfs"))
1884 Ntfsmake_Binary = "mkfs.ntfs";
1885 else
1886 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001887
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001888 if (!UnMount(true))
1889 return false;
1890
Greg Wallace4b44fef2015-12-29 15:33:24 -05001891 gui_msg(Msg("formatting_using=Formatting {1} using {2}...")(Display_Name)(Ntfsmake_Binary));
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001892 Find_Actual_Block_Device();
1893 command = "/sbin/" + Ntfsmake_Binary + " " + Actual_Block_Device;
1894 if (TWFunc::Exec_Cmd(command) == 0) {
1895 Recreate_AndSec_Folder();
1896 gui_msg("done=Done.");
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001897 return true;
Greg Wallaceb39e6c62015-12-29 00:55:26 -05001898 } else {
1899 gui_msg(Msg(msg::kError, "unable_to_wipe=Unable to wipe {1}.")(Display_Name));
1900 return false;
Ethan Yonkerb81d9052015-07-09 13:20:53 -05001901 }
1902 return false;
1903}
1904
Dees_Troy51a0e822012-09-05 15:24:24 -04001905bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05001906#ifdef TW_OEM_BUILD
1907 // In an OEM Build we want to do a full format
1908 return Wipe_Encryption();
1909#else
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001910 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04001911
1912 // This handles wiping data on devices with "sdcard" in /data/media
1913 if (!Mount(true))
1914 return false;
1915
Ethan Yonker74db1572015-10-28 12:44:49 -05001916 gui_msg("wiping_data=Wiping data without wiping /data/media ...");
Dees_Troy38bd7602012-09-14 13:33:53 -04001917
1918 DIR* d;
1919 d = opendir("/data");
Dees_Troy16b74352012-11-14 22:27:31 +00001920 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001921 struct dirent* de;
1922 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001923 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
Dees_Troy16b74352012-11-14 22:27:31 +00001924 // The media folder is the "internal sdcard"
1925 // The .layout_version file is responsible for determining whether 4.2 decides up upgrade
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001926 // the media folder for multi-user.
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001927 //TODO: convert this to use twrpDU.cpp
Dees_Troy16b74352012-11-14 22:27:31 +00001928 if (strcmp(de->d_name, "media") == 0 || strcmp(de->d_name, ".layout_version") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001929
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001930 dir = "/data/";
1931 dir.append(de->d_name);
Dees_Troyce675462013-01-09 19:48:21 +00001932 if (de->d_type == DT_DIR) {
1933 TWFunc::removeDir(dir, false);
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05001934 } else if (de->d_type == DT_REG || de->d_type == DT_LNK || de->d_type == DT_FIFO || de->d_type == DT_SOCK) {
Dees_Troyce675462013-01-09 19:48:21 +00001935 if (!unlink(dir.c_str()))
Dees_Troy2673cec2013-04-02 20:22:16 +00001936 LOGINFO("Unable to unlink '%s'\n", dir.c_str());
Dees_Troyce675462013-01-09 19:48:21 +00001937 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001938 }
1939 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001940
Ethan Yonker74db1572015-10-28 12:44:49 -05001941 gui_msg("done=Done.");
Dees_Troy16b74352012-11-14 22:27:31 +00001942 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001943 }
Ethan Yonker74db1572015-10-28 12:44:49 -05001944 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Mount_Point)(strerror(errno)));
Dees_Troy16b74352012-11-14 22:27:31 +00001945 return false;
Ethan Yonker83e82572014-04-04 10:59:28 -05001946#endif // ifdef TW_OEM_BUILD
Dees_Troy51a0e822012-09-05 15:24:24 -04001947}
1948
bigbiff7abc5fe2015-01-17 16:53:12 -05001949bool TWPartition::Backup_Tar(string backup_folder, const unsigned long long *overall_size, const unsigned long long *other_backups_size, pid_t &tar_fork_pid) {
Dees_Troy4a2a1262012-09-18 09:33:47 -04001950 char back_name[255], split_index[5];
1951 string Full_FileName, Split_FileName, Tar_Args, Command;
Dees_Troy83bd4832013-05-04 12:39:56 +00001952 int use_compression, use_encryption = 0, index, backup_count;
Dees_Troy4a2a1262012-09-18 09:33:47 -04001953 struct stat st;
Dees_Troy7c2dec82012-09-26 09:49:14 -04001954 unsigned long long total_bsize = 0, file_size;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001955 twrpTar tar;
1956 vector <string> files;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001957
Dees_Troy43d8b002012-09-17 16:00:01 -04001958 if (!Mount(true))
1959 return false;
1960
Dees_Troya13d74f2013-03-24 08:54:55 -05001961 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, "Backing Up");
Ethan Yonker74db1572015-10-28 12:44:49 -05001962 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04001963
1964 DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
Dees_Troy83bd4832013-05-04 12:39:56 +00001965 tar.use_compression = use_compression;
Matt Mowerbb81e5d2014-03-20 18:05:41 -05001966
Dees_Troy83bd4832013-05-04 12:39:56 +00001967#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
1968 DataManager::GetValue("tw_encrypt_backup", use_encryption);
1969 if (use_encryption && Can_Encrypt_Backup) {
1970 tar.use_encryption = use_encryption;
1971 if (Use_Userdata_Encryption)
1972 tar.userdata_encryption = use_encryption;
Ethan Yonker87af5632014-02-10 11:56:35 -06001973 string Password;
1974 DataManager::GetValue("tw_backup_password", Password);
1975 tar.setpassword(Password);
Dees_Troy83bd4832013-05-04 12:39:56 +00001976 } else {
1977 use_encryption = false;
1978 }
1979#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04001980
1981 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1982 Backup_FileName = back_name;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001983 Full_FileName = backup_folder + "/" + Backup_FileName;
Dees_Troy83bd4832013-05-04 12:39:56 +00001984 tar.has_data_media = Has_Data_Media;
Dees Troye0a433a2013-12-02 04:10:37 +00001985 Full_FileName = backup_folder + "/" + Backup_FileName;
1986 tar.setdir(Backup_Path);
1987 tar.setfn(Full_FileName);
1988 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001989 tar.partition_name = Backup_Name;
1990 tar.backup_folder = backup_folder;
bigbiff7abc5fe2015-01-17 16:53:12 -05001991 if (tar.createTarFork(overall_size, other_backups_size, tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00001992 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04001993 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001994}
1995
1996bool TWPartition::Backup_DD(string backup_folder) {
codelover352b75e2015-03-29 02:44:07 +08001997 char back_name[255], block_size[32], dd_count[32];
1998 string Full_FileName, Command, DD_BS, DD_COUNT;
Dees_Troy43d8b002012-09-17 16:00:01 -04001999 int use_compression;
codelover352b75e2015-03-29 02:44:07 +08002000 unsigned long long DD_Block_Size, DD_Count;
Dees_Troy43d8b002012-09-17 16:00:01 -04002001
codelover352b75e2015-03-29 02:44:07 +08002002 DD_Block_Size = 16 * 1024 * 1024;
2003 while (Backup_Size % DD_Block_Size != 0) DD_Block_Size >>= 1;
2004
2005 DD_Count = Backup_Size / DD_Block_Size;
2006
2007 sprintf(dd_count, "%llu", DD_Count);
2008 DD_COUNT = dd_count;
2009
2010 sprintf(block_size, "%llu", DD_Block_Size);
2011 DD_BS = block_size;
igoriok87e3d932013-01-31 21:03:53 +02002012
Ethan Yonker74db1572015-10-28 12:44:49 -05002013 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2014 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002015
2016 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
2017 Backup_FileName = back_name;
2018
2019 Full_FileName = backup_folder + "/" + Backup_FileName;
2020
codelover352b75e2015-03-29 02:44:07 +08002021 Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'" + " bs=" + DD_BS + " count=" + DD_COUNT;
Dees_Troy2673cec2013-04-02 20:22:16 +00002022 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002023 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002024 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troyc154ac22012-10-12 15:36:47 -04002025 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002026 gui_msg(Msg(msg::kError, "backup_size=Backup file size for '{1}' is 0 bytes.")(Full_FileName));
Dees_Troy7c2dec82012-09-26 09:49:14 -04002027 return false;
2028 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002029 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002030}
2031
2032bool TWPartition::Backup_Dump_Image(string backup_folder) {
Dees_Troy43d8b002012-09-17 16:00:01 -04002033 char back_name[255];
Vojtech Bocek05534202013-09-11 08:11:56 +02002034 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04002035 int use_compression;
2036
Ethan Yonker74db1572015-10-28 12:44:49 -05002037 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
2038 gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002039
2040 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
2041 Backup_FileName = back_name;
2042
2043 Full_FileName = backup_folder + "/" + Backup_FileName;
2044
2045 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
Dees_Troy2673cec2013-04-02 20:22:16 +00002046 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02002047 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06002048 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04002049 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
2050 // 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 -06002051 gui_msg(Msg(msg::kError, "backup_size=Backup file size for '{1}' is 0 bytes.")(Full_FileName));
Dees_Troy7c2dec82012-09-26 09:49:14 -04002052 return false;
2053 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002054 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002055}
2056
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002057unsigned long long TWPartition::Get_Restore_Size(string restore_folder) {
2058 InfoManager restore_info(restore_folder + "/" + Backup_Name + ".info");
2059 if (restore_info.LoadValues() == 0) {
2060 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
2061 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
2062 return Restore_Size;
2063 }
2064 }
2065 string Full_FileName, Restore_File_System = Get_Restore_File_System(restore_folder);
2066
2067 Full_FileName = restore_folder + "/" + Backup_FileName;
2068
2069 if (Is_Image(Restore_File_System)) {
2070 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
2071 return Restore_Size;
2072 }
2073
2074 twrpTar tar;
2075 tar.setdir(Backup_Path);
2076 tar.setfn(Full_FileName);
2077 tar.backup_name = Backup_Name;
2078#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2079 string Password;
2080 DataManager::GetValue("tw_restore_password", Password);
2081 if (!Password.empty())
2082 tar.setpassword(Password);
2083#endif
2084 tar.partition_name = Backup_Name;
2085 tar.backup_folder = restore_folder;
2086 Restore_Size = tar.get_size();
2087 return Restore_Size;
2088}
2089
2090bool TWPartition::Restore_Tar(string restore_folder, string Restore_File_System, const unsigned long long *total_restore_size, unsigned long long *already_restored_size) {
Gary Peck43acadf2012-11-21 21:19:01 -08002091 string Full_FileName, Command;
Dees_Troy4a2a1262012-09-18 09:33:47 -04002092 int index = 0;
2093 char split_index[5];
Dees Troy4159aed2014-02-28 17:24:43 +00002094 bool ret = false;
Dees_Troy43d8b002012-09-17 16:00:01 -04002095
Dees_Troye58d5262012-09-21 12:27:57 -04002096 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04002097 if (!Wipe_AndSec())
2098 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08002099 } else {
Ethan Yonker74db1572015-10-28 12:44:49 -05002100 gui_msg(Msg("wiping=Wiping {1}")(Backup_Display_Name));
Ethan Yonker5eac2222014-06-11 12:22:55 -05002101 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002102 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 -05002103 if (!Wipe_Data_Without_Wiping_Media())
2104 return false;
2105 } else {
2106 if (!Wipe(Restore_File_System))
2107 return false;
2108 }
Dees_Troye58d5262012-09-21 12:27:57 -04002109 }
Matt Mower3c366972015-12-25 19:28:31 -06002110 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002111 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002112
2113 if (!Mount(true))
2114 return false;
2115
Dees_Troy4a2a1262012-09-18 09:33:47 -04002116 Full_FileName = restore_folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06002117 twrpTar tar;
2118 tar.setdir(Backup_Path);
2119 tar.setfn(Full_FileName);
2120 tar.backup_name = Backup_Name;
2121#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
2122 string Password;
2123 DataManager::GetValue("tw_restore_password", Password);
2124 if (!Password.empty())
2125 tar.setpassword(Password);
2126#endif
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002127 if (tar.extractTarFork(total_restore_size, already_restored_size) != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00002128 ret = false;
2129 else
2130 ret = true;
2131#ifdef HAVE_CAPABILITIES
2132 // Restore capabilities to the run-as binary
2133 if (Mount_Point == "/system" && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
2134 struct vfs_cap_data cap_data;
2135 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
2136
2137 memset(&cap_data, 0, sizeof(cap_data));
2138 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
2139 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
2140 cap_data.data[0].inheritable = 0;
2141 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
2142 cap_data.data[1].inheritable = 0;
2143 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
2144 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
2145 } else {
2146 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
2147 }
2148 }
2149#endif
2150 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04002151}
2152
Ethan Yonker96af84a2015-01-05 14:58:36 -06002153bool TWPartition::Restore_Image(string restore_folder, const unsigned long long *total_restore_size, unsigned long long *already_restored_size, string Restore_File_System) {
2154 string Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002155 double display_percent, progress_percent;
2156 char size_progress[1024];
Dees_Troy43d8b002012-09-17 16:00:01 -04002157
Matt Mower3c366972015-12-25 19:28:31 -06002158 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, gui_parse_text("{@restoring_hdr}"));
Ethan Yonker74db1572015-10-28 12:44:49 -05002159 gui_msg(Msg("restoring=Restoring {1}...")(Backup_Display_Name));
Dees_Troy43d8b002012-09-17 16:00:01 -04002160 Full_FileName = restore_folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08002161
Ethan Yonker96af84a2015-01-05 14:58:36 -06002162 if (Restore_File_System == "emmc") {
2163 if (!Flash_Image_DD(Full_FileName))
2164 return false;
2165 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
2166 if (!Flash_Image_FI(Full_FileName))
2167 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08002168 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05002169 display_percent = (double)(Restore_Size + *already_restored_size) / (double)(*total_restore_size) * 100;
2170 sprintf(size_progress, "%lluMB of %lluMB, %i%%", (Restore_Size + *already_restored_size) / 1048576, *total_restore_size / 1048576, (int)(display_percent));
2171 DataManager::SetValue("tw_size_progress", size_progress);
2172 progress_percent = (display_percent / 100);
2173 DataManager::SetProgress((float)(progress_percent));
2174 *already_restored_size += Restore_Size;
Dees_Troy43d8b002012-09-17 16:00:01 -04002175 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04002176}
Dees_Troy5bf43922012-09-07 16:07:55 -04002177
2178bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04002179 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04002180
Dees_Troyab10ee22012-09-21 14:27:30 -04002181 if (!Can_Be_Mounted && !Is_Encrypted)
Dees_Troy5bf43922012-09-07 16:07:55 -04002182 return false;
2183
Dees_Troy0550cfb2012-10-13 11:56:13 -04002184 Was_Already_Mounted = Is_Mounted();
Dees_Troy38bd7602012-09-14 13:33:53 -04002185 if (Removable || Is_Encrypted) {
2186 if (!Mount(false))
2187 return true;
2188 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04002189 return false;
Dees_Troy51127312012-09-08 13:08:49 -04002190
2191 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002192 if (!ret || Size == 0) {
2193 if (!Get_Size_Via_df(Display_Error)) {
2194 if (!Was_Already_Mounted)
2195 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04002196 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002197 }
2198 }
Dees_Troy51127312012-09-08 13:08:49 -04002199
Dees_Troy5bf43922012-09-07 16:07:55 -04002200 if (Has_Data_Media) {
2201 if (Mount(Display_Error)) {
Dees_Troy51127312012-09-08 13:08:49 -04002202 unsigned long long data_media_used, actual_data;
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002203 Used = du.Get_Folder_Size("/data");
2204 Backup_Size = Used;
2205 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04002206 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002207 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002208 } else {
2209 if (!Was_Already_Mounted)
2210 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002211 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002212 }
Dees_Troye58d5262012-09-21 12:27:57 -04002213 } else if (Has_Android_Secure) {
2214 if (Mount(Display_Error))
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05002215 Backup_Size = du.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04002216 else {
2217 if (!Was_Already_Mounted)
2218 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04002219 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04002220 }
Dees_Troy5bf43922012-09-07 16:07:55 -04002221 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04002222 if (!Was_Already_Mounted)
2223 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04002224 return true;
Dees_Troy51127312012-09-08 13:08:49 -04002225}
Dees_Troy38bd7602012-09-14 13:33:53 -04002226
2227void TWPartition::Find_Actual_Block_Device(void) {
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04002228 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002229 Actual_Block_Device = Decrypted_Block_Device;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04002230 if (TWFunc::Path_Exists(Decrypted_Block_Device))
Dees_Troy38bd7602012-09-14 13:33:53 -04002231 Is_Present = true;
Dees_Troy43d8b002012-09-17 16:00:01 -04002232 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04002233 Is_Present = true;
2234 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002235 return;
2236 }
2237 if (Is_Decrypted) {
Dees_Troy43d8b002012-09-17 16:00:01 -04002238 } else if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04002239 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04002240 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002241 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04002242 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002243 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002244}
2245
2246void TWPartition::Recreate_Media_Folder(void) {
2247 string Command;
2248
2249 if (!Mount(true)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002250 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")("/data/media"));
Dees_Troyb46a6842012-09-25 11:06:46 -04002251 } else if (!TWFunc::Path_Exists("/data/media")) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002252 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy2673cec2013-04-02 20:22:16 +00002253 LOGINFO("Recreating /data/media folder.\n");
xiaolu9416f4f2015-06-04 08:22:23 +08002254 mkdir("/data/media", 0770);
2255 string Internal_path = DataManager::GetStrValue("tw_internal_path");
2256 if (!Internal_path.empty()) {
2257 LOGINFO("Recreating %s folder.\n", Internal_path.c_str());
2258 mkdir(Internal_path.c_str(), 0770);
2259 }
2260#ifdef TW_INTERNAL_STORAGE_PATH
2261 mkdir(EXPAND(TW_INTERNAL_STORAGE_PATH), 0770);
2262#endif
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002263#ifdef HAVE_SELINUX
thata3d31fb2014-12-21 22:27:40 +01002264 // Afterwards, we will try to set the
2265 // default metadata that we were hopefully able to get during
2266 // early boot.
2267 tw_set_default_metadata("/data/media");
xiaolu9416f4f2015-06-04 08:22:23 +08002268 if (!Internal_path.empty())
2269 tw_set_default_metadata(Internal_path.c_str());
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002270#endif
Ethan Yonker5eac2222014-06-11 12:22:55 -05002271 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002272 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05002273 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04002274 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002275}
Dees_Troye58d5262012-09-21 12:27:57 -04002276
2277void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04002278 if (!Has_Android_Secure)
2279 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00002280 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04002281 if (!Mount(true)) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002282 gui_msg(Msg(msg::kError, "recreate_folder_err=Unable to recreate {1} folder.")(Backup_Name));
Dees_Troye58d5262012-09-21 12:27:57 -04002283 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002284 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002285 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002286 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002287 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002288 }
2289}
bigbiff7cb4c332014-11-26 20:36:07 -05002290
2291uint64_t TWPartition::Get_Max_FileSize() {
2292 uint64_t maxFileSize = 0;
2293 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
2294 const uint64_t constTB = (uint64_t) constGB * 1024;
2295 const uint64_t constPB = (uint64_t) constTB * 1024;
2296 const uint64_t constEB = (uint64_t) constPB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05002297 if (Current_File_System == "ext4")
2298 maxFileSize = 16 * constTB; //16 TB
2299 else if (Current_File_System == "vfat")
2300 maxFileSize = 4 * constGB; //4 GB
2301 else if (Current_File_System == "ntfs")
2302 maxFileSize = 256 * constTB; //256 TB
2303 else if (Current_File_System == "exfat")
2304 maxFileSize = 16 * constPB; //16 PB
2305 else if (Current_File_System == "ext3")
2306 maxFileSize = 2 * constTB; //2 TB
2307 else if (Current_File_System == "f2fs")
2308 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05002309 else
2310 maxFileSize = 100000000L;
2311 return maxFileSize - 1;
2312}
2313
Ethan Yonker96af84a2015-01-05 14:58:36 -06002314bool TWPartition::Flash_Image(string Filename) {
2315 string Restore_File_System;
2316
2317 LOGINFO("Image filename is: %s\n", Filename.c_str());
2318
2319 if (Backup_Method == FILES) {
2320 LOGERR("Cannot flash images to file systems\n");
2321 return false;
2322 } else if (!Can_Flash_Img) {
2323 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
2324 return false;
2325 } else {
2326 if (!Find_Partition_Size()) {
2327 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
2328 return false;
2329 }
2330 unsigned long long image_size = TWFunc::Get_File_Size(Filename);
2331 if (image_size > Size) {
Ethan Yonker74db1572015-10-28 12:44:49 -05002332 LOGINFO("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
Ethan Yonker96af84a2015-01-05 14:58:36 -06002333 image_size, Filename.c_str(), Actual_Block_Device.c_str(), Size);
Ethan Yonker74db1572015-10-28 12:44:49 -05002334 gui_err("img_size_err=Size of image is larger than target device");
Ethan Yonker96af84a2015-01-05 14:58:36 -06002335 return false;
2336 }
2337 if (Backup_Method == DD)
2338 return Flash_Image_DD(Filename);
2339 else if (Backup_Method == FLASH_UTILS)
2340 return Flash_Image_FI(Filename);
2341 }
2342
2343 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
2344 return false;
2345}
2346
2347bool TWPartition::Flash_Image_DD(string Filename) {
2348 string Command;
2349
Ethan Yonker74db1572015-10-28 12:44:49 -05002350 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
codelover352b75e2015-03-29 02:44:07 +08002351 Command = "dd bs=8388608 if='" + Filename + "' of=" + Actual_Block_Device;
Ethan Yonker96af84a2015-01-05 14:58:36 -06002352 LOGINFO("Flash command: '%s'\n", Command.c_str());
2353 TWFunc::Exec_Cmd(Command);
2354 return true;
2355}
2356
2357bool TWPartition::Flash_Image_FI(string Filename) {
2358 string Command;
2359
Ethan Yonker74db1572015-10-28 12:44:49 -05002360 gui_msg(Msg("flashing=Flashing {1}...")(Display_Name));
Ethan Yonker96af84a2015-01-05 14:58:36 -06002361 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
2362 Command = "erase_image " + MTD_Name;
2363 LOGINFO("Erase command: '%s'\n", Command.c_str());
2364 TWFunc::Exec_Cmd(Command);
2365 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
2366 LOGINFO("Flash command: '%s'\n", Command.c_str());
2367 TWFunc::Exec_Cmd(Command);
2368 return true;
2369}
Ethan Yonkereb32b1f2015-05-18 10:23:03 -05002370
2371void TWPartition::Change_Mount_Read_Only(bool new_value) {
2372 Mount_Read_Only = new_value;
2373}
2374
2375int TWPartition::Check_Lifetime_Writes() {
2376 bool original_read_only = Mount_Read_Only;
2377 int ret = 1;
2378
2379 Mount_Read_Only = true;
2380 if (Mount(false)) {
2381 Find_Actual_Block_Device();
2382 string block = basename(Actual_Block_Device.c_str());
2383 string file = "/sys/fs/" + Current_File_System + "/" + block + "/lifetime_write_kbytes";
2384 string result;
2385 if (TWFunc::Path_Exists(file)) {
2386 if (TWFunc::read_file(file, result) != 0) {
2387 LOGINFO("Check_Lifetime_Writes of '%s' failed to read_file\n", file.c_str());
2388 } else {
2389 LOGINFO("Check_Lifetime_Writes result: '%s'\n", result.c_str());
2390 if (result == "0") {
2391 ret = 0;
2392 }
2393 }
2394 } else {
2395 LOGINFO("Check_Lifetime_Writes file does not exist '%s'\n", file.c_str());
2396 }
2397 UnMount(true);
2398 } else {
2399 LOGINFO("Check_Lifetime_Writes failed to mount '%s'\n", Mount_Point.c_str());
2400 }
2401 Mount_Read_Only = original_read_only;
2402 return ret;
2403}