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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"
Dees_Troy5bf43922012-09-07 16:07:55 -040046extern "C" {
Dees_Troy38bd7602012-09-14 13:33:53 -040047 #include "mtdutils/mtdutils.h"
48 #include "mtdutils/mounts.h"
Dees_Troya95f55c2013-08-17 13:14:43 +000049#ifdef USE_EXT4
50 #include "make_ext4fs.h"
51#endif
Ethan Yonker71413f42014-02-26 13:36:08 -060052
53#ifdef TW_INCLUDE_CRYPTO
Ethan Yonker253368a2014-11-25 15:00:52 -060054 #include "crypto/lollipop/cryptfs.h"
Ethan Yonker71413f42014-02-26 13:36:08 -060055#endif
Dees_Troy5bf43922012-09-07 16:07:55 -040056}
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040057#ifdef HAVE_SELINUX
58#include "selinux/selinux.h"
Ethan Yonkerf27497f2014-02-09 11:48:33 -060059#include <selinux/label.h>
bigbiff bigbiffc49d7062013-10-11 20:28:00 -040060#endif
Dees Troy4159aed2014-02-28 17:24:43 +000061#ifdef HAVE_CAPABILITIES
62#include <sys/capability.h>
63#include <sys/xattr.h>
64#include <linux/xattr.h>
65#endif
Dees_Troy51a0e822012-09-05 15:24:24 -040066
bigbiff bigbiff9c754052013-01-09 09:09:08 -050067using namespace std;
68
Dees_Troya95f55c2013-08-17 13:14:43 +000069extern struct selabel_handle *selinux_handle;
Ethan Yonker6277c792014-09-15 14:54:30 -050070extern bool datamedia;
Dees_Troya95f55c2013-08-17 13:14:43 +000071
Hashcode62bd9e02013-11-19 21:59:42 -080072struct flag_list {
73 const char *name;
74 unsigned flag;
75};
76
77static struct flag_list mount_flags[] = {
78 { "noatime", MS_NOATIME },
79 { "noexec", MS_NOEXEC },
80 { "nosuid", MS_NOSUID },
81 { "nodev", MS_NODEV },
82 { "nodiratime", MS_NODIRATIME },
83 { "ro", MS_RDONLY },
84 { "rw", 0 },
85 { "remount", MS_REMOUNT },
86 { "bind", MS_BIND },
87 { "rec", MS_REC },
Dees Troyc4bc30e2014-02-03 15:04:19 +000088#ifdef MS_UNBINDABLE
Hashcode62bd9e02013-11-19 21:59:42 -080089 { "unbindable", MS_UNBINDABLE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000090#endif
91#ifdef MS_PRIVATE
Hashcode62bd9e02013-11-19 21:59:42 -080092 { "private", MS_PRIVATE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000093#endif
94#ifdef MS_SLAVE
Hashcode62bd9e02013-11-19 21:59:42 -080095 { "slave", MS_SLAVE },
Dees Troyc4bc30e2014-02-03 15:04:19 +000096#endif
97#ifdef MS_SHARED
Hashcode62bd9e02013-11-19 21:59:42 -080098 { "shared", MS_SHARED },
Dees Troyc4bc30e2014-02-03 15:04:19 +000099#endif
Hashcode62bd9e02013-11-19 21:59:42 -0800100 { "sync", MS_SYNCHRONOUS },
101 { "defaults", 0 },
102 { 0, 0 },
103};
104
that9e0593e2014-10-08 00:01:24 +0200105TWPartition::TWPartition() {
Dees_Troy51a0e822012-09-05 15:24:24 -0400106 Can_Be_Mounted = false;
107 Can_Be_Wiped = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500108 Can_Be_Backed_Up = false;
Vojtech Bocek1dc30982013-08-30 21:49:30 +0200109 Use_Rm_Rf = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400110 Wipe_During_Factory_Reset = false;
111 Wipe_Available_in_GUI = false;
112 Is_SubPartition = false;
Dees_Troy2691f9d2012-09-24 11:15:49 -0400113 Has_SubPartition = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400114 SubPartition_Of = "";
115 Symlink_Path = "";
116 Symlink_Mount_Point = "";
117 Mount_Point = "";
Dees_Troye58d5262012-09-21 12:27:57 -0400118 Backup_Path = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400119 Actual_Block_Device = "";
120 Primary_Block_Device = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400121 Alternate_Block_Device = "";
122 Removable = false;
123 Is_Present = false;
124 Length = 0;
125 Size = 0;
126 Used = 0;
127 Free = 0;
128 Backup_Size = 0;
129 Can_Be_Encrypted = false;
130 Is_Encrypted = false;
131 Is_Decrypted = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600132 Mount_To_Decrypt = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400133 Decrypted_Block_Device = "";
134 Display_Name = "";
Dees_Troya13d74f2013-03-24 08:54:55 -0500135 Backup_Display_Name = "";
136 Storage_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400137 Backup_Name = "";
Dees_Troy63c8df72012-09-10 14:02:05 -0400138 Backup_FileName = "";
Dees_Troy38bd7602012-09-14 13:33:53 -0400139 MTD_Name = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400140 Backup_Method = NONE;
Dees_Troy83bd4832013-05-04 12:39:56 +0000141 Can_Encrypt_Backup = false;
142 Use_Userdata_Encryption = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400143 Has_Data_Media = false;
Dees_Troye58d5262012-09-21 12:27:57 -0400144 Has_Android_Secure = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400145 Is_Storage = false;
Dees_Troya13d74f2013-03-24 08:54:55 -0500146 Is_Settings_Storage = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400147 Storage_Path = "";
148 Current_File_System = "";
149 Fstab_File_System = "";
Hashcode62bd9e02013-11-19 21:59:42 -0800150 Mount_Flags = 0;
151 Mount_Options = "";
Dees_Troy51a0e822012-09-05 15:24:24 -0400152 Format_Block_Size = 0;
Dees_Troy68cab492012-12-12 19:29:35 +0000153 Ignore_Blkid = false;
Dees_Troy16c2b312013-01-15 16:51:18 +0000154 Retain_Layout_Version = false;
Ethan Yonker253368a2014-11-25 15:00:52 -0600155 Crypto_Key_Location = "footer";
Ethan Yonker726a0202014-12-16 20:01:38 -0600156 MTP_Storage_ID = 0;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600157 Can_Flash_Img = false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400158}
159
160TWPartition::~TWPartition(void) {
161 // Do nothing
162}
163
Dees_Troy5bf43922012-09-07 16:07:55 -0400164bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
165 char full_line[MAX_FSTAB_LINE_LENGTH], item[MAX_FSTAB_LINE_LENGTH];
166 int line_len = Line.size(), index = 0, item_index = 0;
167 char* ptr;
Dees_Troy51127312012-09-08 13:08:49 -0400168 string Flags;
Dees_Troy5bf43922012-09-07 16:07:55 -0400169 strncpy(full_line, Line.c_str(), line_len);
Dees_Troya13d74f2013-03-24 08:54:55 -0500170 bool skip = false;
Dees_Troy5bf43922012-09-07 16:07:55 -0400171
Dees_Troy51127312012-09-08 13:08:49 -0400172 for (index = 0; index < line_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500173 if (full_line[index] == 34)
174 skip = !skip;
175 if (!skip && full_line[index] <= 32)
Dees_Troy5bf43922012-09-07 16:07:55 -0400176 full_line[index] = '\0';
Dees_Troy5bf43922012-09-07 16:07:55 -0400177 }
Dees_Troy7c2dec82012-09-26 09:49:14 -0400178 Mount_Point = full_line;
Dees_Troy2673cec2013-04-02 20:22:16 +0000179 LOGINFO("Processing '%s'\n", Mount_Point.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -0400180 Backup_Path = Mount_Point;
Dees_Troya13d74f2013-03-24 08:54:55 -0500181 Storage_Path = Mount_Point;
Dees_Troy70737fa2013-04-08 13:19:20 +0000182 Display_Name = full_line + 1;
183 Backup_Display_Name = Display_Name;
184 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400185 index = Mount_Point.size();
186 while (index < line_len) {
187 while (index < line_len && full_line[index] == '\0')
188 index++;
189 if (index >= line_len)
190 continue;
191 ptr = full_line + index;
192 if (item_index == 0) {
193 // File System
194 Fstab_File_System = ptr;
195 Current_File_System = ptr;
196 item_index++;
197 } else if (item_index == 1) {
198 // Primary Block Device
Dees_Troy38bd7602012-09-14 13:33:53 -0400199 if (Fstab_File_System == "mtd" || Fstab_File_System == "yaffs2") {
Dees_Troy094207a2012-09-26 12:00:39 -0400200 MTD_Name = ptr;
201 Find_MTD_Block_Device(MTD_Name);
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400202 } else if (Fstab_File_System == "bml") {
203 if (Mount_Point == "/boot")
204 MTD_Name = "boot";
205 else if (Mount_Point == "/recovery")
206 MTD_Name = "recovery";
207 Primary_Block_Device = ptr;
208 if (*ptr != '/')
Dees_Troy2673cec2013-04-02 20:22:16 +0000209 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 -0400210 } else if (*ptr != '/') {
Dees_Troy5bf43922012-09-07 16:07:55 -0400211 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000212 LOGERR("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400213 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000214 LOGINFO("Invalid block device on '%s', '%s', %i\n", Line.c_str(), ptr, index);
Dees_Troy5bf43922012-09-07 16:07:55 -0400215 return 0;
Dees_Troy38bd7602012-09-14 13:33:53 -0400216 } else {
217 Primary_Block_Device = ptr;
218 Find_Real_Block_Device(Primary_Block_Device, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400219 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400220 item_index++;
221 } else if (item_index > 1) {
222 if (*ptr == '/') {
223 // Alternate Block Device
224 Alternate_Block_Device = ptr;
225 Find_Real_Block_Device(Alternate_Block_Device, Display_Error);
226 } else if (strlen(ptr) > 7 && strncmp(ptr, "length=", 7) == 0) {
227 // Partition length
228 ptr += 7;
229 Length = atoi(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400230 } else if (strlen(ptr) > 6 && strncmp(ptr, "flags=", 6) == 0) {
231 // Custom flags, save for later so that new values aren't overwritten by defaults
232 ptr += 6;
233 Flags = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000234 Process_Flags(Flags, Display_Error);
Dees_Troy38bd7602012-09-14 13:33:53 -0400235 } else if (strlen(ptr) == 4 && (strncmp(ptr, "NULL", 4) == 0 || strncmp(ptr, "null", 4) == 0 || strncmp(ptr, "null", 4) == 0)) {
236 // Do nothing
Dees_Troy5bf43922012-09-07 16:07:55 -0400237 } else {
238 // Unhandled data
Dees_Troy2673cec2013-04-02 20:22:16 +0000239 LOGINFO("Unhandled fstab information: '%s', %i, line: '%s'\n", ptr, index, Line.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400240 }
241 }
242 while (index < line_len && full_line[index] != '\0')
243 index++;
244 }
245
246 if (!Is_File_System(Fstab_File_System) && !Is_Image(Fstab_File_System)) {
247 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000248 LOGERR("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400249 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000250 LOGINFO("Unknown File System: '%s'\n", Fstab_File_System.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400251 return 0;
252 } else if (Is_File_System(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400253 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400254 Setup_File_System(Display_Error);
255 if (Mount_Point == "/system") {
256 Display_Name = "System";
Dees_Troya13d74f2013-03-24 08:54:55 -0500257 Backup_Display_Name = Display_Name;
258 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400259 Wipe_Available_in_GUI = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500260 Can_Be_Backed_Up = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400261 } else if (Mount_Point == "/data") {
262 Display_Name = "Data";
Dees_Troya13d74f2013-03-24 08:54:55 -0500263 Backup_Display_Name = Display_Name;
264 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400265 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400266 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500267 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000268 Can_Encrypt_Backup = true;
269 Use_Userdata_Encryption = true;
Ethan Yonker6277c792014-09-15 14:54:30 -0500270 if (datamedia)
that9e0593e2014-10-08 00:01:24 +0200271 Setup_Data_Media();
Dees_Troy5bf43922012-09-07 16:07:55 -0400272#ifdef TW_INCLUDE_CRYPTO
273 Can_Be_Encrypted = true;
Dees_Troy657c3092012-09-10 20:32:10 -0400274 char crypto_blkdev[255];
275 property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
276 if (strcmp(crypto_blkdev, "error") != 0) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400277 DataManager::SetValue(TW_DATA_BLK_DEVICE, Primary_Block_Device);
Dees_Troy657c3092012-09-10 20:32:10 -0400278 DataManager::SetValue(TW_IS_DECRYPTED, 1);
279 Is_Encrypted = true;
280 Is_Decrypted = true;
281 Decrypted_Block_Device = crypto_blkdev;
Dees_Troy2673cec2013-04-02 20:22:16 +0000282 LOGINFO("Data already decrypted, new block device: '%s'\n", crypto_blkdev);
Dees_Troy657c3092012-09-10 20:32:10 -0400283 } else if (!Mount(false)) {
Ethan Yonker71413f42014-02-26 13:36:08 -0600284 if (Is_Present) {
Ethan Yonker253368a2014-11-25 15:00:52 -0600285 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 -0600286 if (cryptfs_check_footer() == 0) {
287 Is_Encrypted = true;
288 Is_Decrypted = false;
289 Can_Be_Mounted = false;
290 Current_File_System = "emmc";
291 Setup_Image(Display_Error);
292 DataManager::SetValue(TW_IS_ENCRYPTED, 1);
293 DataManager::SetValue(TW_CRYPTO_PASSWORD, "");
294 DataManager::SetValue("tw_crypto_display", "");
295 } else {
296 LOGERR("Could not mount /data and unable to find crypto footer.\n");
297 }
298 } else {
299 LOGERR("Primary block device '%s' for mount point '%s' is not present!\n", Primary_Block_Device.c_str(), Mount_Point.c_str());
300 }
Gary Peck82599a82012-11-21 16:23:12 -0800301 } else {
302 // Filesystem is not encrypted and the mount
303 // succeeded, so get it back to the original
304 // unmounted state
305 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -0400306 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500307 if (datamedia && (!Is_Encrypted || (Is_Encrypted && Is_Decrypted)))
Dees_Troy9b21af72012-10-01 15:51:46 -0400308 Recreate_Media_Folder();
Dees_Troy9b21af72012-10-01 15:51:46 -0400309#else
Ethan Yonker6277c792014-09-15 14:54:30 -0500310 if (datamedia)
311 Recreate_Media_Folder();
Dees_Troy5bf43922012-09-07 16:07:55 -0400312#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400313 } else if (Mount_Point == "/cache") {
314 Display_Name = "Cache";
Dees_Troya13d74f2013-03-24 08:54:55 -0500315 Backup_Display_Name = Display_Name;
316 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400317 Wipe_Available_in_GUI = true;
Dees_Troy51127312012-09-08 13:08:49 -0400318 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500319 Can_Be_Backed_Up = true;
Dees_Troyce2fe772012-09-28 12:34:33 -0400320 if (Mount(false) && !TWFunc::Path_Exists("/cache/recovery/.")) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000321 LOGINFO("Recreating /cache/recovery folder.\n");
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500322 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500323 return -1;
Dees_Troyb46a6842012-09-25 11:06:46 -0400324 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400325 } else if (Mount_Point == "/datadata") {
Dees_Troy51127312012-09-08 13:08:49 -0400326 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400327 Display_Name = "DataData";
Dees_Troya13d74f2013-03-24 08:54:55 -0500328 Backup_Display_Name = Display_Name;
329 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400330 Is_SubPartition = true;
331 SubPartition_Of = "/data";
Dees_Troy5bf43922012-09-07 16:07:55 -0400332 DataManager::SetValue(TW_HAS_DATADATA, 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500333 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000334 Can_Encrypt_Backup = true;
335 Use_Userdata_Encryption = false; // This whole partition should be encrypted
Dees_Troy5bf43922012-09-07 16:07:55 -0400336 } else if (Mount_Point == "/sd-ext") {
Dees_Troy51127312012-09-08 13:08:49 -0400337 Wipe_During_Factory_Reset = true;
Dees_Troy5bf43922012-09-07 16:07:55 -0400338 Display_Name = "SD-Ext";
Dees_Troya13d74f2013-03-24 08:54:55 -0500339 Backup_Display_Name = Display_Name;
340 Storage_Name = Display_Name;
Dees_Troy5bf43922012-09-07 16:07:55 -0400341 Wipe_Available_in_GUI = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400342 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500343 Can_Be_Backed_Up = true;
Dees_Troy83bd4832013-05-04 12:39:56 +0000344 Can_Encrypt_Backup = true;
345 Use_Userdata_Encryption = true;
Dees_Troy2c50e182012-09-26 20:05:28 -0400346 } else if (Mount_Point == "/boot") {
347 Display_Name = "Boot";
Dees_Troya13d74f2013-03-24 08:54:55 -0500348 Backup_Display_Name = Display_Name;
Dees_Troy2c50e182012-09-26 20:05:28 -0400349 DataManager::SetValue("tw_boot_is_mountable", 1);
Dees_Troya13d74f2013-03-24 08:54:55 -0500350 Can_Be_Backed_Up = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400351 }
352#ifdef TW_EXTERNAL_STORAGE_PATH
353 if (Mount_Point == EXPAND(TW_EXTERNAL_STORAGE_PATH)) {
354 Is_Storage = true;
355 Storage_Path = EXPAND(TW_EXTERNAL_STORAGE_PATH);
Dees_Troyc51f1f92012-09-20 15:32:13 -0400356 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500357 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400358#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000359 if (Mount_Point == "/sdcard" || Mount_Point == "/external_sd" || Mount_Point == "/external_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400360 Is_Storage = true;
Dees_Troyc51f1f92012-09-20 15:32:13 -0400361 Removable = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500362 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400363#endif
Dees_Troyb05ddee2013-01-28 20:24:50 +0000364 }
Dees_Troy8170a922012-09-18 15:40:25 -0400365#ifdef TW_INTERNAL_STORAGE_PATH
366 if (Mount_Point == EXPAND(TW_INTERNAL_STORAGE_PATH)) {
367 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500368 Is_Settings_Storage = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400369 Storage_Path = EXPAND(TW_INTERNAL_STORAGE_PATH);
Dees_Troya13d74f2013-03-24 08:54:55 -0500370 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400371 }
372#else
Dees_Troy70737fa2013-04-08 13:19:20 +0000373 if (Mount_Point == "/emmc" || Mount_Point == "/internal_sd" || Mount_Point == "/internal_sdcard") {
Dees_Troy8170a922012-09-18 15:40:25 -0400374 Is_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500375 Is_Settings_Storage = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500376 Wipe_Available_in_GUI = true;
Dees_Troy8170a922012-09-18 15:40:25 -0400377 }
378#endif
Dees_Troy5bf43922012-09-07 16:07:55 -0400379 } else if (Is_Image(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400380 Find_Actual_Block_Device();
Dees_Troy5bf43922012-09-07 16:07:55 -0400381 Setup_Image(Display_Error);
Dees_Troya13d74f2013-03-24 08:54:55 -0500382 if (Mount_Point == "/boot") {
383 Display_Name = "Boot";
384 Backup_Display_Name = Display_Name;
385 Can_Be_Backed_Up = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600386 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500387 } else if (Mount_Point == "/recovery") {
388 Display_Name = "Recovery";
389 Backup_Display_Name = Display_Name;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600390 Can_Flash_Img = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500391 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400392 }
393
Dees_Troy51127312012-09-08 13:08:49 -0400394 // Process any custom flags
395 if (Flags.size() > 0)
396 Process_Flags(Flags, Display_Error);
Dees_Troy51127312012-09-08 13:08:49 -0400397 return true;
398}
399
Hashcode62bd9e02013-11-19 21:59:42 -0800400bool TWPartition::Process_FS_Flags(string& Options, int Flags) {
401 int i;
402 char *p;
403 char *savep;
404 char fs_options[250];
405
406 strlcpy(fs_options, Options.c_str(), sizeof(fs_options));
407 Options = "";
408
409 p = strtok_r(fs_options, ",", &savep);
410 while (p) {
411 /* Look for the flag "p" in the flag list "fl"
412 * If not found, the loop exits with fl[i].name being null.
413 */
414 for (i = 0; mount_flags[i].name; i++) {
415 if (strncmp(p, mount_flags[i].name, strlen(mount_flags[i].name)) == 0) {
416 Flags |= mount_flags[i].flag;
417 break;
418 }
419 }
420
421 if (!mount_flags[i].name) {
422 if (Options.size() > 0)
423 Options += ",";
424 Options += p;
425 }
426 p = strtok_r(NULL, ",", &savep);
427 }
428
429 return true;
430}
431
Dees_Troy51127312012-09-08 13:08:49 -0400432bool TWPartition::Process_Flags(string Flags, bool Display_Error) {
433 char flags[MAX_FSTAB_LINE_LENGTH];
Dees_Troya13d74f2013-03-24 08:54:55 -0500434 int flags_len, index = 0, ptr_len;
Dees_Troy51127312012-09-08 13:08:49 -0400435 char* ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500436 bool skip = false, has_display_name = false, has_storage_name = false, has_backup_name = false;
Dees_Troy51127312012-09-08 13:08:49 -0400437
438 strcpy(flags, Flags.c_str());
439 flags_len = Flags.size();
440 for (index = 0; index < flags_len; index++) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500441 if (flags[index] == 34)
442 skip = !skip;
443 if (!skip && flags[index] == ';')
Dees_Troy51127312012-09-08 13:08:49 -0400444 flags[index] = '\0';
445 }
446
447 index = 0;
448 while (index < flags_len) {
449 while (index < flags_len && flags[index] == '\0')
450 index++;
451 if (index >= flags_len)
452 continue;
453 ptr = flags + index;
Dees_Troya13d74f2013-03-24 08:54:55 -0500454 ptr_len = strlen(ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400455 if (strcmp(ptr, "removable") == 0) {
456 Removable = true;
Ethan Yonker06c3f932014-02-02 22:11:14 -0600457 } else if (strncmp(ptr, "storage", 7) == 0) {
458 if (ptr_len == 7) {
Ethan Yonker06c3f932014-02-02 22:11:14 -0600459 Is_Storage = true;
460 } else if (ptr_len == 9) {
461 ptr += 9;
462 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
463 LOGINFO("storage set to true\n");
464 Is_Storage = true;
465 } else {
466 LOGINFO("storage set to false\n");
467 Is_Storage = false;
468 }
469 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500470 } else if (strcmp(ptr, "settingsstorage") == 0) {
471 Is_Storage = true;
Matt Mowerbf4efa32014-04-14 23:25:26 -0500472 } else if (strcmp(ptr, "andsec") == 0) {
473 Has_Android_Secure = true;
Dees_Troy63c8df72012-09-10 14:02:05 -0400474 } else if (strcmp(ptr, "canbewiped") == 0) {
475 Can_Be_Wiped = true;
Hashcodedabfd492013-08-29 22:45:30 -0700476 } else if (strcmp(ptr, "usermrf") == 0) {
477 Use_Rm_Rf = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500478 } else if (ptr_len > 7 && strncmp(ptr, "backup=", 7) == 0) {
479 ptr += 7;
480 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
481 Can_Be_Backed_Up = true;
482 else
483 Can_Be_Backed_Up = false;
Dees_Troy63c8df72012-09-10 14:02:05 -0400484 } else if (strcmp(ptr, "wipeingui") == 0) {
485 Can_Be_Wiped = true;
486 Wipe_Available_in_GUI = true;
487 } else if (strcmp(ptr, "wipeduringfactoryreset") == 0) {
488 Can_Be_Wiped = true;
489 Wipe_Available_in_GUI = true;
490 Wipe_During_Factory_Reset = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500491 } else if (ptr_len > 15 && strncmp(ptr, "subpartitionof=", 15) == 0) {
Dees_Troy2c4c26f2013-01-28 15:26:43 +0000492 ptr += 15;
Dees_Troy51127312012-09-08 13:08:49 -0400493 Is_SubPartition = true;
494 SubPartition_Of = ptr;
Dees_Troy68cab492012-12-12 19:29:35 +0000495 } else if (strcmp(ptr, "ignoreblkid") == 0) {
496 Ignore_Blkid = true;
Dees_Troy16c2b312013-01-15 16:51:18 +0000497 } else if (strcmp(ptr, "retainlayoutversion") == 0) {
498 Retain_Layout_Version = true;
Dees_Troya13d74f2013-03-24 08:54:55 -0500499 } else if (ptr_len > 8 && strncmp(ptr, "symlink=", 8) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400500 ptr += 8;
501 Symlink_Path = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500502 } else if (ptr_len > 8 && strncmp(ptr, "display=", 8) == 0) {
503 has_display_name = true;
Dees_Troy51127312012-09-08 13:08:49 -0400504 ptr += 8;
Dees_Troya13d74f2013-03-24 08:54:55 -0500505 if (*ptr == '\"') ptr++;
Dees_Troy51127312012-09-08 13:08:49 -0400506 Display_Name = ptr;
Dees_Troya13d74f2013-03-24 08:54:55 -0500507 if (Display_Name.substr(Display_Name.size() - 1, 1) == "\"") {
508 Display_Name.resize(Display_Name.size() - 1);
509 }
510 } else if (ptr_len > 11 && strncmp(ptr, "storagename=", 11) == 0) {
511 has_storage_name = true;
512 ptr += 11;
513 if (*ptr == '\"') ptr++;
514 Storage_Name = ptr;
515 if (Storage_Name.substr(Storage_Name.size() - 1, 1) == "\"") {
516 Storage_Name.resize(Storage_Name.size() - 1);
517 }
518 } else if (ptr_len > 11 && strncmp(ptr, "backupname=", 10) == 0) {
519 has_backup_name = true;
520 ptr += 10;
521 if (*ptr == '\"') ptr++;
522 Backup_Display_Name = ptr;
523 if (Backup_Display_Name.substr(Backup_Display_Name.size() - 1, 1) == "\"") {
524 Backup_Display_Name.resize(Backup_Display_Name.size() - 1);
525 }
526 } else if (ptr_len > 10 && strncmp(ptr, "blocksize=", 10) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400527 ptr += 10;
528 Format_Block_Size = atoi(ptr);
Dees_Troya13d74f2013-03-24 08:54:55 -0500529 } else if (ptr_len > 7 && strncmp(ptr, "length=", 7) == 0) {
Dees_Troy51127312012-09-08 13:08:49 -0400530 ptr += 7;
531 Length = atoi(ptr);
Dees_Troy83bd4832013-05-04 12:39:56 +0000532 } else if (ptr_len > 17 && strncmp(ptr, "canencryptbackup=", 17) == 0) {
533 ptr += 17;
534 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y')
535 Can_Encrypt_Backup = true;
536 else
537 Can_Encrypt_Backup = false;
538 } else if (ptr_len > 21 && strncmp(ptr, "userdataencryptbackup=", 21) == 0) {
539 ptr += 21;
540 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
541 Can_Encrypt_Backup = true;
542 Use_Userdata_Encryption = true;
543 } else {
544 Use_Userdata_Encryption = false;
545 }
Hashcode62bd9e02013-11-19 21:59:42 -0800546 } else if (ptr_len > 8 && strncmp(ptr, "fsflags=", 8) == 0) {
547 ptr += 8;
548 if (*ptr == '\"') ptr++;
549
550 Mount_Options = ptr;
551 if (Mount_Options.substr(Mount_Options.size() - 1, 1) == "\"") {
552 Mount_Options.resize(Mount_Options.size() - 1);
553 }
554 Process_FS_Flags(Mount_Options, Mount_Flags);
Ethan Yonker253368a2014-11-25 15:00:52 -0600555 } else if ((ptr_len > 12 && strncmp(ptr, "encryptable=", 12) == 0) || (ptr_len > 13 && strncmp(ptr, "forceencrypt=", 13) == 0)) {
556 ptr += 12;
557 if (*ptr == '=') ptr++;
558 if (*ptr == '\"') ptr++;
559
560 Crypto_Key_Location = ptr;
561 if (Crypto_Key_Location.substr(Crypto_Key_Location.size() - 1, 1) == "\"") {
562 Crypto_Key_Location.resize(Crypto_Key_Location.size() - 1);
563 }
564 } else if (ptr_len > 8 && strncmp(ptr, "mounttodecrypt", 14) == 0) {
565 Mount_To_Decrypt = true;
Ethan Yonker96af84a2015-01-05 14:58:36 -0600566 } else if (strncmp(ptr, "flashimg", 8) == 0) {
567 if (ptr_len == 8) {
568 Can_Flash_Img = true;
569 } else if (ptr_len == 10) {
570 ptr += 9;
571 if (*ptr == '1' || *ptr == 'y' || *ptr == 'Y') {
572 Can_Flash_Img = true;
573 } else {
574 Can_Flash_Img = false;
575 }
576 }
Dees_Troy51127312012-09-08 13:08:49 -0400577 } else {
578 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000579 LOGERR("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400580 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000581 LOGINFO("Unhandled flag: '%s'\n", ptr);
Dees_Troy51127312012-09-08 13:08:49 -0400582 }
583 while (index < flags_len && flags[index] != '\0')
584 index++;
585 }
Dees_Troya13d74f2013-03-24 08:54:55 -0500586 if (has_display_name && !has_storage_name)
587 Storage_Name = Display_Name;
588 if (!has_display_name && has_storage_name)
589 Display_Name = Storage_Name;
Dees_Troy74fb2e92013-04-15 14:35:47 +0000590 if (has_display_name && !has_backup_name && Backup_Display_Name != "Android Secure")
Dees_Troya13d74f2013-03-24 08:54:55 -0500591 Backup_Display_Name = Display_Name;
592 if (!has_display_name && has_backup_name)
593 Display_Name = Backup_Display_Name;
Dees_Troy51127312012-09-08 13:08:49 -0400594 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -0400595}
596
Dees_Troy5bf43922012-09-07 16:07:55 -0400597bool TWPartition::Is_File_System(string File_System) {
598 if (File_System == "ext2" ||
Dees_Troy63c8df72012-09-10 14:02:05 -0400599 File_System == "ext3" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400600 File_System == "ext4" ||
601 File_System == "vfat" ||
602 File_System == "ntfs" ||
603 File_System == "yaffs2" ||
bigbiff bigbiff3e146522012-11-14 14:32:59 -0500604 File_System == "exfat" ||
Dees_Troye5017042013-08-29 16:38:55 +0000605 File_System == "f2fs" ||
Dees_Troy5bf43922012-09-07 16:07:55 -0400606 File_System == "auto")
607 return true;
608 else
609 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -0400610}
611
Dees_Troy5bf43922012-09-07 16:07:55 -0400612bool TWPartition::Is_Image(string File_System) {
Dees_Troy5fcd8f92012-10-16 12:22:05 -0400613 if (File_System == "emmc" || File_System == "mtd" || File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400614 return true;
615 else
616 return false;
617}
618
Dees_Troy51127312012-09-08 13:08:49 -0400619bool TWPartition::Make_Dir(string Path, bool Display_Error) {
Dees_Troy43d8b002012-09-17 16:00:01 -0400620 if (!TWFunc::Path_Exists(Path)) {
Dees_Troy51127312012-09-08 13:08:49 -0400621 if (mkdir(Path.c_str(), 0777) == -1) {
622 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000623 LOGERR("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400624 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000625 LOGINFO("Can not create '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400626 return false;
627 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +0000628 LOGINFO("Created '%s' folder.\n", Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400629 return true;
630 }
631 }
632 return true;
633}
634
Dees_Troy5bf43922012-09-07 16:07:55 -0400635void TWPartition::Setup_File_System(bool Display_Error) {
636 struct statfs st;
637
638 Can_Be_Mounted = true;
639 Can_Be_Wiped = true;
640
Dees_Troy5bf43922012-09-07 16:07:55 -0400641 // Make the mount point folder if it doesn't exist
Dees_Troy51127312012-09-08 13:08:49 -0400642 Make_Dir(Mount_Point, Display_Error);
Dees_Troy5bf43922012-09-07 16:07:55 -0400643 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
644 Backup_Name = Display_Name;
645 Backup_Method = FILES;
646}
647
648void TWPartition::Setup_Image(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400649 Display_Name = Mount_Point.substr(1, Mount_Point.size() - 1);
650 Backup_Name = Display_Name;
Gary Peck82599a82012-11-21 16:23:12 -0800651 if (Current_File_System == "emmc")
Dees_Troy5bf43922012-09-07 16:07:55 -0400652 Backup_Method = DD;
Gary Peck82599a82012-11-21 16:23:12 -0800653 else if (Current_File_System == "mtd" || Current_File_System == "bml")
Dees_Troy5bf43922012-09-07 16:07:55 -0400654 Backup_Method = FLASH_UTILS;
655 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000656 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 -0400657 if (Find_Partition_Size()) {
658 Used = Size;
659 Backup_Size = Size;
Dees_Troy51a0e822012-09-05 15:24:24 -0400660 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400661 if (Display_Error)
Dees Troyd932ce12013-10-18 17:12:59 +0000662 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400663 else
Dees Troyd932ce12013-10-18 17:12:59 +0000664 LOGINFO("Unable to find partition size for '%s'\n", Mount_Point.c_str());
Dees_Troy51a0e822012-09-05 15:24:24 -0400665 }
666}
667
Dees_Troye58d5262012-09-21 12:27:57 -0400668void TWPartition::Setup_AndSec(void) {
Dees_Troya13d74f2013-03-24 08:54:55 -0500669 Backup_Display_Name = "Android Secure";
Dees_Troye58d5262012-09-21 12:27:57 -0400670 Backup_Name = "and-sec";
Dees_Troya13d74f2013-03-24 08:54:55 -0500671 Can_Be_Backed_Up = true;
Dees_Troye58d5262012-09-21 12:27:57 -0400672 Has_Android_Secure = true;
673 Symlink_Path = Mount_Point + "/.android_secure";
674 Symlink_Mount_Point = "/and-sec";
675 Backup_Path = Symlink_Mount_Point;
676 Make_Dir("/and-sec", true);
677 Recreate_AndSec_Folder();
Ethan Yonkerd4d10732014-02-03 15:27:52 -0600678 Mount_Storage_Retry();
Dees_Troye58d5262012-09-21 12:27:57 -0400679}
680
that9e0593e2014-10-08 00:01:24 +0200681void TWPartition::Setup_Data_Media() {
Ethan Yonker6277c792014-09-15 14:54:30 -0500682 LOGINFO("Setting up '%s' as data/media emulated storage.\n", Mount_Point.c_str());
683 Storage_Name = "Internal Storage";
684 Has_Data_Media = true;
685 Is_Storage = true;
686 Is_Settings_Storage = true;
687 Storage_Path = "/data/media";
688 Symlink_Path = Storage_Path;
689 if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
690 Make_Dir("/emmc", false);
691 Symlink_Mount_Point = "/emmc";
692 } else {
693 Make_Dir("/sdcard", false);
694 Symlink_Mount_Point = "/sdcard";
695 }
696 if (Mount(false) && TWFunc::Path_Exists("/data/media/0")) {
697 Storage_Path = "/data/media/0";
698 Symlink_Path = Storage_Path;
699 DataManager::SetValue(TW_INTERNAL_PATH, "/data/media/0");
700 UnMount(true);
701 }
Ethan Yonker6277c792014-09-15 14:54:30 -0500702 DataManager::SetValue("tw_has_internal", 1);
703 DataManager::SetValue("tw_has_data_media", 1);
704 du.add_absolute_dir("/data/media");
705}
706
Dees_Troy5bf43922012-09-07 16:07:55 -0400707void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
708 char device[512], realDevice[512];
709
710 strcpy(device, Block.c_str());
711 memset(realDevice, 0, sizeof(realDevice));
712 while (readlink(device, realDevice, sizeof(realDevice)) > 0)
713 {
714 strcpy(device, realDevice);
715 memset(realDevice, 0, sizeof(realDevice));
716 }
717
718 if (device[0] != '/') {
719 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000720 LOGERR("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400721 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000722 LOGINFO("Invalid symlink path '%s' found on block device '%s'\n", device, Block.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400723 return;
Dees_Troy51a0e822012-09-05 15:24:24 -0400724 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -0400725 Block = device;
726 return;
727 }
728}
729
Dees_Troy8e337f32012-10-13 22:07:49 -0400730void TWPartition::Mount_Storage_Retry(void) {
731 // On some devices, storage doesn't want to mount right away, retry and sleep
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500732 if (!Mount(true)) {
Dees_Troy8e337f32012-10-13 22:07:49 -0400733 int retry_count = 5;
734 while (retry_count > 0 && !Mount(false)) {
735 usleep(500000);
736 retry_count--;
737 }
738 Mount(true);
739 }
740}
741
Dees_Troy38bd7602012-09-14 13:33:53 -0400742bool TWPartition::Find_MTD_Block_Device(string MTD_Name) {
743 FILE *fp = NULL;
744 char line[255];
745
746 fp = fopen("/proc/mtd", "rt");
747 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000748 LOGERR("Device does not support /proc/mtd\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400749 return false;
750 }
751
752 while (fgets(line, sizeof(line), fp) != NULL)
753 {
754 char device[32], label[32];
755 unsigned long size = 0;
756 char* fstype = NULL;
757 int deviceId;
758
759 sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
760
761 // Skip header and blank lines
762 if ((strcmp(device, "dev:") == 0) || (strlen(line) < 8))
763 continue;
764
765 // Strip off the trailing " from the label
766 label[strlen(label)-1] = '\0';
767
768 if (strcmp(label, MTD_Name.c_str()) == 0) {
769 // We found our device
770 // Strip off the trailing : from the device
771 device[strlen(device)-1] = '\0';
772 if (sscanf(device,"mtd%d", &deviceId) == 1) {
773 sprintf(device, "/dev/block/mtdblock%d", deviceId);
774 Primary_Block_Device = device;
Dees_Troy76543db2013-06-19 16:24:30 +0000775 fclose(fp);
776 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -0400777 }
778 }
779 }
780 fclose(fp);
781
782 return false;
783}
784
Dees_Troy51127312012-09-08 13:08:49 -0400785bool TWPartition::Get_Size_Via_statfs(bool Display_Error) {
786 struct statfs st;
787 string Local_Path = Mount_Point + "/.";
788
789 if (!Mount(Display_Error))
790 return false;
791
792 if (statfs(Local_Path.c_str(), &st) != 0) {
793 if (!Removable) {
794 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +0000795 LOGERR("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400796 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000797 LOGINFO("Unable to statfs '%s'\n", Local_Path.c_str());
Dees_Troy51127312012-09-08 13:08:49 -0400798 }
799 return false;
800 }
801 Size = (st.f_blocks * st.f_bsize);
802 Used = ((st.f_blocks - st.f_bfree) * st.f_bsize);
803 Free = (st.f_bfree * st.f_bsize);
804 Backup_Size = Used;
805 return true;
806}
807
808bool TWPartition::Get_Size_Via_df(bool Display_Error) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400809 FILE* fp;
810 char command[255], line[512];
811 int include_block = 1;
812 unsigned int min_len;
813
814 if (!Mount(Display_Error))
815 return false;
816
Dees_Troy38bd7602012-09-14 13:33:53 -0400817 min_len = Actual_Block_Device.size() + 2;
Dees_Troy51127312012-09-08 13:08:49 -0400818 sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +0200819 TWFunc::Exec_Cmd(command);
Dees_Troy51127312012-09-08 13:08:49 -0400820 fp = fopen("/tmp/dfoutput.txt", "rt");
821 if (fp == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000822 LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
Dees_Troy5bf43922012-09-07 16:07:55 -0400823 return false;
Dees_Troy51127312012-09-08 13:08:49 -0400824 }
Dees_Troy5bf43922012-09-07 16:07:55 -0400825
826 while (fgets(line, sizeof(line), fp) != NULL)
827 {
828 unsigned long blocks, used, available;
829 char device[64];
830 char tmpString[64];
831
832 if (strncmp(line, "Filesystem", 10) == 0)
833 continue;
834 if (strlen(line) < min_len) {
835 include_block = 0;
836 continue;
837 }
838 if (include_block) {
839 sscanf(line, "%s %lu %lu %lu", device, &blocks, &used, &available);
840 } else {
841 // The device block string is so long that the df information is on the next line
842 int space_count = 0;
Dees_Troye58d5262012-09-21 12:27:57 -0400843 sprintf(tmpString, "/dev/block/%s", Actual_Block_Device.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -0400844 while (tmpString[space_count] == 32)
845 space_count++;
846 sscanf(line + space_count, "%lu %lu %lu", &blocks, &used, &available);
847 }
848
849 // Adjust block size to byte size
850 Size = blocks * 1024ULL;
851 Used = used * 1024ULL;
852 Free = available * 1024ULL;
853 Backup_Size = Used;
854 }
855 fclose(fp);
856 return true;
857}
858
Dees_Troy5bf43922012-09-07 16:07:55 -0400859bool TWPartition::Find_Partition_Size(void) {
860 FILE* fp;
861 char line[512];
862 string tmpdevice;
863
igoriok87e3d932013-01-31 21:03:53 +0200864 fp = fopen("/proc/dumchar_info", "rt");
865 if (fp != NULL) {
866 while (fgets(line, sizeof(line), fp) != NULL)
867 {
868 char label[32], device[32];
869 unsigned long size = 0;
870
thatd43bf2d2014-09-21 23:13:02 +0200871 sscanf(line, "%s %lx %*x %*u %s", label, &size, device);
igoriok87e3d932013-01-31 21:03:53 +0200872
bigbiff bigbiff34684ff2013-12-01 21:03:45 -0500873 // Skip header, annotation and blank lines
igoriok87e3d932013-01-31 21:03:53 +0200874 if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
875 continue;
876
877 tmpdevice = "/dev/";
878 tmpdevice += label;
879 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
880 Size = size;
881 fclose(fp);
882 return true;
883 }
884 }
885 }
886
Dees_Troy5bf43922012-09-07 16:07:55 -0400887 // In this case, we'll first get the partitions we care about (with labels)
888 fp = fopen("/proc/partitions", "rt");
889 if (fp == NULL)
890 return false;
891
892 while (fgets(line, sizeof(line), fp) != NULL)
893 {
894 unsigned long major, minor, blocks;
895 char device[512];
896 char tmpString[64];
897
Dees_Troy63c8df72012-09-10 14:02:05 -0400898 if (strlen(line) < 7 || line[0] == 'm') continue;
Dees_Troy5bf43922012-09-07 16:07:55 -0400899 sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
900
901 tmpdevice = "/dev/block/";
902 tmpdevice += device;
Dees_Troy38bd7602012-09-14 13:33:53 -0400903 if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Dees_Troy5bf43922012-09-07 16:07:55 -0400904 // Adjust block size to byte size
905 Size = blocks * 1024ULL;
906 fclose(fp);
907 return true;
908 }
909 }
910 fclose(fp);
911 return false;
912}
913
Dees_Troy5bf43922012-09-07 16:07:55 -0400914bool TWPartition::Is_Mounted(void) {
915 if (!Can_Be_Mounted)
916 return false;
917
918 struct stat st1, st2;
919 string test_path;
920
921 // Check to see if the mount point directory exists
922 test_path = Mount_Point + "/.";
923 if (stat(test_path.c_str(), &st1) != 0) return false;
924
925 // Check to see if the directory above the mount point exists
926 test_path = Mount_Point + "/../.";
927 if (stat(test_path.c_str(), &st2) != 0) return false;
928
929 // Compare the device IDs -- if they match then we're (probably) using tmpfs instead of an actual device
930 int ret = (st1.st_dev != st2.st_dev) ? true : false;
931
932 return ret;
933}
934
935bool TWPartition::Mount(bool Display_Error) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000936 int exfat_mounted = 0;
937
Dees_Troy5bf43922012-09-07 16:07:55 -0400938 if (Is_Mounted()) {
939 return true;
940 } else if (!Can_Be_Mounted) {
941 return false;
942 }
Dees_Troy38bd7602012-09-14 13:33:53 -0400943
944 Find_Actual_Block_Device();
945
946 // Check the current file system before mounting
947 Check_FS_Type();
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000948 if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/exfat-fuse")) {
Dees_Troye34c1332013-02-06 19:13:00 +0000949 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 +0000950 LOGINFO("cmd: %s\n", cmd.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000951 string result;
952 if (TWFunc::Exec_Cmd(cmd, result) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000953 LOGINFO("exfat-fuse failed to mount with result '%s', trying vfat\n", result.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +0000954 Current_File_System = "vfat";
955 } else {
956#ifdef TW_NO_EXFAT_FUSE
957 UnMount(false);
958 // We'll let the kernel handle it but using exfat-fuse to detect if the file system is actually exfat
959 // Some kernels let us mount vfat as exfat which doesn't work out too well
960#else
961 exfat_mounted = 1;
962#endif
963 }
964 }
Dees_Troy22042032012-12-18 21:23:08 +0000965 if (Fstab_File_System == "yaffs2") {
966 // mount an MTD partition as a YAFFS2 filesystem.
Dees_Troy76543db2013-06-19 16:24:30 +0000967 const unsigned long flags = MS_NOATIME | MS_NODEV | MS_NODIRATIME;
968 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags, NULL) < 0) {
969 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Fstab_File_System.c_str(), flags | MS_RDONLY, NULL) < 0) {
970 if (Display_Error)
971 LOGERR("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
972 else
973 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
974 return false;
975 } else {
976 LOGINFO("Mounted '%s' (MTD) as RO\n", Mount_Point.c_str());
977 return true;
978 }
979 } else {
980 struct stat st;
981 string test_path = Mount_Point;
982 if (stat(test_path.c_str(), &st) < 0) {
983 if (Display_Error)
984 LOGERR("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
985 else
986 LOGINFO("Failed to mount '%s' (MTD)\n", Mount_Point.c_str());
987 return false;
988 }
989 mode_t new_mode = st.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
990 if (new_mode != st.st_mode) {
991 LOGINFO("Fixing execute permissions for %s\n", Mount_Point.c_str());
992 if (chmod(Mount_Point.c_str(), new_mode) < 0) {
993 if (Display_Error)
994 LOGERR("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
995 else
996 LOGINFO("Couldn't fix permissions for %s: %s\n", Mount_Point.c_str(), strerror(errno));
997 return false;
998 }
999 }
Dees_Troy22042032012-12-18 21:23:08 +00001000 return true;
Dees_Troy76543db2013-06-19 16:24:30 +00001001 }
Dees Troy216e0422014-02-07 03:46:42 +00001002 } else if (!exfat_mounted && mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Current_File_System.c_str(), Mount_Flags, Mount_Options.c_str()) != 0 && mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Current_File_System.c_str(), Mount_Flags, NULL) != 0) {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001003#ifdef TW_NO_EXFAT_FUSE
1004 if (Current_File_System == "exfat") {
Dees_Troy2673cec2013-04-02 20:22:16 +00001005 LOGINFO("Mounting exfat failed, trying vfat...\n");
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001006 if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), "vfat", 0, NULL) != 0) {
Dees_Troy85f44ed2013-01-09 18:42:36 +00001007 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001008 LOGERR("Unable to mount '%s'\n", Mount_Point.c_str());
Dees_Troy85f44ed2013-01-09 18:42:36 +00001009 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001010 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
Hashcode62bd9e02013-11-19 21:59:42 -08001011 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(), Mount_Flags, Mount_Options.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001012 return false;
Dees_Troy85f44ed2013-01-09 18:42:36 +00001013 }
Dees_Troyb05ddee2013-01-28 20:24:50 +00001014 } else {
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001015#endif
bigbiff bigbiff26774a02014-03-29 18:22:00 -04001016 if (!Removable && Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001017 LOGERR("Unable to mount '%s'\n", Mount_Point.c_str());
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001018 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001019 LOGINFO("Unable to mount '%s'\n", Mount_Point.c_str());
1020 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 +00001021 return false;
1022#ifdef TW_NO_EXFAT_FUSE
Dees_Troy85f44ed2013-01-09 18:42:36 +00001023 }
1024#endif
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001025 }
Ethan Yonker253368a2014-11-25 15:00:52 -06001026
Dees_Troy3f5c4e82013-02-01 15:16:59 +00001027 if (Removable)
1028 Update_Size(Display_Error);
1029
1030 if (!Symlink_Mount_Point.empty()) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001031 string Command = "mount '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
1032 TWFunc::Exec_Cmd(Command);
Dees_Troy5bf43922012-09-07 16:07:55 -04001033 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001034 return true;
1035}
1036
1037bool TWPartition::UnMount(bool Display_Error) {
1038 if (Is_Mounted()) {
1039 int never_unmount_system;
1040
1041 DataManager::GetValue(TW_DONT_UNMOUNT_SYSTEM, never_unmount_system);
1042 if (never_unmount_system == 1 && Mount_Point == "/system")
1043 return true; // Never unmount system if you're not supposed to unmount it
1044
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001045 if (Is_Storage)
Ethan Yonker726a0202014-12-16 20:01:38 -06001046 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001047
Dees_Troy38bd7602012-09-14 13:33:53 -04001048 if (!Symlink_Mount_Point.empty())
1049 umount(Symlink_Mount_Point.c_str());
1050
Dees_Troyb05ddee2013-01-28 20:24:50 +00001051 umount(Mount_Point.c_str());
1052 if (Is_Mounted()) {
Dees_Troy5bf43922012-09-07 16:07:55 -04001053 if (Display_Error)
Dees_Troy2673cec2013-04-02 20:22:16 +00001054 LOGERR("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001055 else
Dees_Troy2673cec2013-04-02 20:22:16 +00001056 LOGINFO("Unable to unmount '%s'\n", Mount_Point.c_str());
Dees_Troy5bf43922012-09-07 16:07:55 -04001057 return false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001058 } else {
Dees_Troy5bf43922012-09-07 16:07:55 -04001059 return true;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001060 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001061 } else {
1062 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001063 }
1064}
1065
Gary Peck43acadf2012-11-21 21:19:01 -08001066bool TWPartition::Wipe(string New_File_System) {
Ethan Yonker726a0202014-12-16 20:01:38 -06001067 bool wiped = false, update_crypt = false, recreate_media = true;
Dees_Troy16c2b312013-01-15 16:51:18 +00001068 int check;
1069 string Layout_Filename = Mount_Point + "/.layout_version";
1070
Dees_Troy38bd7602012-09-14 13:33:53 -04001071 if (!Can_Be_Wiped) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001072 LOGERR("Partition '%s' cannot be wiped.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001073 return false;
1074 }
1075
Dees_Troyc51f1f92012-09-20 15:32:13 -04001076 if (Mount_Point == "/cache")
Dees_Troy2673cec2013-04-02 20:22:16 +00001077 Log_Offset = 0;
Dees_Troyc51f1f92012-09-20 15:32:13 -04001078
Dees_Troy16c2b312013-01-15 16:51:18 +00001079 if (Retain_Layout_Version && Mount(false) && TWFunc::Path_Exists(Layout_Filename))
1080 TWFunc::copy_file(Layout_Filename, "/.layout_version", 0600);
1081 else
1082 unlink("/.layout_version");
Dees_Troy38bd7602012-09-14 13:33:53 -04001083
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001084 if (Has_Data_Media && Current_File_System == New_File_System) {
Dees_Troy16c2b312013-01-15 16:51:18 +00001085 wiped = Wipe_Data_Without_Wiping_Media();
Ethan Yonker5eac2222014-06-11 12:22:55 -05001086 recreate_media = false;
Dees_Troy16c2b312013-01-15 16:51:18 +00001087 } else {
Dees_Troy16c2b312013-01-15 16:51:18 +00001088 DataManager::GetValue(TW_RM_RF_VAR, check);
1089
Hashcodedabfd492013-08-29 22:45:30 -07001090 if (check || Use_Rm_Rf)
Dees_Troy16c2b312013-01-15 16:51:18 +00001091 wiped = Wipe_RMRF();
1092 else if (New_File_System == "ext4")
1093 wiped = Wipe_EXT4();
1094 else if (New_File_System == "ext2" || New_File_System == "ext3")
1095 wiped = Wipe_EXT23(New_File_System);
1096 else if (New_File_System == "vfat")
1097 wiped = Wipe_FAT();
1098 else if (New_File_System == "exfat")
1099 wiped = Wipe_EXFAT();
1100 else if (New_File_System == "yaffs2")
1101 wiped = Wipe_MTD();
Dees_Troye5017042013-08-29 16:38:55 +00001102 else if (New_File_System == "f2fs")
1103 wiped = Wipe_F2FS();
Dees_Troy16c2b312013-01-15 16:51:18 +00001104 else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001105 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 +00001106 unlink("/.layout_version");
1107 return false;
1108 }
1109 update_crypt = wiped;
Gary Pecke8bc5d72012-12-21 06:45:25 -08001110 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001111
Gary Pecke8bc5d72012-12-21 06:45:25 -08001112 if (wiped) {
Dees_Troy1c1ac442013-01-17 21:42:14 +00001113 if (Mount_Point == "/cache")
1114 DataManager::Output_Version();
1115
Dees_Troy16c2b312013-01-15 16:51:18 +00001116 if (TWFunc::Path_Exists("/.layout_version") && Mount(false))
1117 TWFunc::copy_file("/.layout_version", Layout_Filename, 0600);
1118
1119 if (update_crypt) {
1120 Setup_File_System(false);
1121 if (Is_Encrypted && !Is_Decrypted) {
1122 // just wiped an encrypted partition back to its unencrypted state
1123 Is_Encrypted = false;
1124 Is_Decrypted = false;
1125 Decrypted_Block_Device = "";
1126 if (Mount_Point == "/data") {
1127 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
1128 DataManager::SetValue(TW_IS_DECRYPTED, 0);
1129 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001130 }
1131 }
Ethan Yonker5eac2222014-06-11 12:22:55 -05001132
1133 if (Mount_Point == "/data" && Has_Data_Media && recreate_media) {
1134 Recreate_Media_Folder();
1135 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001136 }
Ethan Yonker726a0202014-12-16 20:01:38 -06001137 if (Is_Storage) {
1138 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001139 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001140 return wiped;
Dees_Troy51a0e822012-09-05 15:24:24 -04001141}
1142
Gary Peck43acadf2012-11-21 21:19:01 -08001143bool TWPartition::Wipe() {
Gary Peck82599a82012-11-21 16:23:12 -08001144 if (Is_File_System(Current_File_System))
1145 return Wipe(Current_File_System);
1146 else
1147 return Wipe(Fstab_File_System);
Gary Peck43acadf2012-11-21 21:19:01 -08001148}
1149
Dees_Troye58d5262012-09-21 12:27:57 -04001150bool TWPartition::Wipe_AndSec(void) {
1151 if (!Has_Android_Secure)
1152 return false;
1153
Dees_Troye58d5262012-09-21 12:27:57 -04001154 if (!Mount(true))
1155 return false;
1156
Dees_Troy2673cec2013-04-02 20:22:16 +00001157 gui_print("Wiping %s\n", Backup_Display_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001158 TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001159 return true;
Dees_Troye58d5262012-09-21 12:27:57 -04001160}
1161
Ethan Yonker87c7bac2014-05-25 21:41:08 -05001162bool TWPartition::Can_Repair() {
1163 if (Current_File_System == "vfat" && TWFunc::Path_Exists("/sbin/dosfsck"))
1164 return true;
1165 else if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/e2fsck"))
1166 return true;
1167 else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/fsck.exfat"))
1168 return true;
1169 else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/sbin/fsck.f2fs"))
1170 return true;
1171 return false;
1172}
1173
1174bool TWPartition::Repair() {
1175 string command;
1176
1177 if (Current_File_System == "vfat") {
1178 if (!TWFunc::Path_Exists("/sbin/dosfsck")) {
1179 gui_print("dosfsck does not exist! Cannot repair!\n");
1180 return false;
1181 }
1182 if (!UnMount(true))
1183 return false;
1184 gui_print("Repairing %s using dosfsck...\n", Display_Name.c_str());
1185 Find_Actual_Block_Device();
1186 command = "/sbin/dosfsck -y " + Actual_Block_Device;
1187 LOGINFO("Repair command: %s\n", command.c_str());
1188 if (TWFunc::Exec_Cmd(command) == 0) {
1189 gui_print("Done.\n");
1190 return true;
1191 } else {
1192 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1193 return false;
1194 }
1195 }
1196 if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
1197 if (!TWFunc::Path_Exists("/sbin/e2fsck")) {
1198 gui_print("e2fsck does not exist! Cannot repair!\n");
1199 return false;
1200 }
1201 if (!UnMount(true))
1202 return false;
1203 gui_print("Repairing %s using e2fsck...\n", Display_Name.c_str());
1204 Find_Actual_Block_Device();
1205 command = "/sbin/e2fsck -p " + Actual_Block_Device;
1206 LOGINFO("Repair command: %s\n", command.c_str());
1207 if (TWFunc::Exec_Cmd(command) == 0) {
1208 gui_print("Done.\n");
1209 return true;
1210 } else {
1211 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1212 return false;
1213 }
1214 }
1215 if (Current_File_System == "exfat") {
1216 if (!TWFunc::Path_Exists("/sbin/fsck.exfat")) {
1217 gui_print("fsck.exfat does not exist! Cannot repair!\n");
1218 return false;
1219 }
1220 if (!UnMount(true))
1221 return false;
1222 gui_print("Repairing %s using fsck.exfat...\n", Display_Name.c_str());
1223 Find_Actual_Block_Device();
1224 command = "/sbin/fsck.exfat " + Actual_Block_Device;
1225 LOGINFO("Repair command: %s\n", command.c_str());
1226 if (TWFunc::Exec_Cmd(command) == 0) {
1227 gui_print("Done.\n");
1228 return true;
1229 } else {
1230 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1231 return false;
1232 }
1233 }
1234 if (Current_File_System == "f2fs") {
1235 if (!TWFunc::Path_Exists("/sbin/fsck.f2fs")) {
1236 gui_print("fsck.f2fs does not exist! Cannot repair!\n");
1237 return false;
1238 }
1239 if (!UnMount(true))
1240 return false;
1241 gui_print("Repairing %s using fsck.f2fs...\n", Display_Name.c_str());
1242 Find_Actual_Block_Device();
1243 command = "/sbin/fsck.f2fs " + Actual_Block_Device;
1244 LOGINFO("Repair command: %s\n", command.c_str());
1245 if (TWFunc::Exec_Cmd(command) == 0) {
1246 gui_print("Done.\n");
1247 return true;
1248 } else {
1249 LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
1250 return false;
1251 }
1252 }
1253 return false;
1254}
1255
bigbiff7abc5fe2015-01-17 16:53:12 -05001256bool TWPartition::Backup(string backup_folder, const unsigned long long *overall_size, const unsigned long long *other_backups_size, pid_t &tar_fork_pid) {
1257 if (Backup_Method == FILES) {
1258 return Backup_Tar(backup_folder, overall_size, other_backups_size, tar_fork_pid);
1259 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001260 else if (Backup_Method == DD)
1261 return Backup_DD(backup_folder);
1262 else if (Backup_Method == FLASH_UTILS)
1263 return Backup_Dump_Image(backup_folder);
Dees_Troy2673cec2013-04-02 20:22:16 +00001264 LOGERR("Unknown backup method for '%s'\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001265 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001266}
1267
Dees_Troy43d8b002012-09-17 16:00:01 -04001268bool TWPartition::Check_MD5(string restore_folder) {
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001269 string Full_Filename, md5file;
Dees_Troy43d8b002012-09-17 16:00:01 -04001270 char split_filename[512];
1271 int index = 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001272 twrpDigest md5sum;
Dees_Troy43d8b002012-09-17 16:00:01 -04001273
Captain Throwbackff5935f2014-09-23 16:08:34 -04001274 sync();
1275
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001276 memset(split_filename, 0, sizeof(split_filename));
Dees_Troy43d8b002012-09-17 16:00:01 -04001277 Full_Filename = restore_folder + "/" + Backup_FileName;
Dees_Troy43d8b002012-09-17 16:00:01 -04001278 if (!TWFunc::Path_Exists(Full_Filename)) {
1279 // This is a split archive, we presume
1280 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
Dees_Troy2673cec2013-04-02 20:22:16 +00001281 LOGINFO("split_filename: %s\n", split_filename);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001282 md5file = split_filename;
1283 md5file += ".md5";
1284 if (!TWFunc::Path_Exists(md5file)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001285 LOGERR("No md5 file found for '%s'.\n", split_filename);
1286 LOGERR("Please unselect Enable MD5 verification to restore.\n");
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001287 return false;
1288 }
1289 md5sum.setfn(split_filename);
Dees_Troy83bd4832013-05-04 12:39:56 +00001290 while (index < 1000) {
1291 if (TWFunc::Path_Exists(split_filename) && md5sum.verify_md5digest() != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001292 LOGERR("MD5 failed to match on '%s'.\n", split_filename);
Dees_Troy43d8b002012-09-17 16:00:01 -04001293 return false;
1294 }
1295 index++;
1296 sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001297 md5sum.setfn(split_filename);
Dees_Troy43d8b002012-09-17 16:00:01 -04001298 }
Dees_Troy4a2a1262012-09-18 09:33:47 -04001299 return true;
Dees_Troy43d8b002012-09-17 16:00:01 -04001300 } else {
1301 // Single file archive
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001302 md5file = Full_Filename + ".md5";
1303 if (!TWFunc::Path_Exists(md5file)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001304 LOGERR("No md5 file found for '%s'.\n", Full_Filename.c_str());
1305 LOGERR("Please unselect Enable MD5 verification to restore.\n");
bigbiff bigbiff65a4c732013-03-15 15:17:50 -04001306 return false;
1307 }
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001308 md5sum.setfn(Full_Filename);
1309 if (md5sum.verify_md5digest() != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001310 LOGERR("MD5 failed to match on '%s'.\n", Full_Filename.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001311 return false;
1312 } else
1313 return true;
1314 }
1315 return false;
1316}
1317
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001318bool 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 -08001319 string Restore_File_System;
1320
1321 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
Dees_Troy2673cec2013-04-02 20:22:16 +00001322 LOGINFO("Restore filename is: %s\n", Backup_FileName.c_str());
Gary Peck43acadf2012-11-21 21:19:01 -08001323
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001324 Restore_File_System = Get_Restore_File_System(restore_folder);
1325
1326 if (Is_File_System(Restore_File_System))
1327 return Restore_Tar(restore_folder, Restore_File_System, total_restore_size, already_restored_size);
1328 else if (Is_Image(Restore_File_System)) {
Ethan Yonkerf66324f2015-01-09 16:46:57 -06001329 return Restore_Image(restore_folder, total_restore_size, already_restored_size, Restore_File_System);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001330 }
1331
1332 LOGERR("Unknown restore method for '%s'\n", Mount_Point.c_str());
1333 return false;
1334}
1335
1336string TWPartition::Get_Restore_File_System(string restore_folder) {
1337 size_t first_period, second_period;
1338 string Restore_File_System;
1339
Gary Peck43acadf2012-11-21 21:19:01 -08001340 // Parse backup filename to extract the file system before wiping
1341 first_period = Backup_FileName.find(".");
1342 if (first_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001343 LOGERR("Unable to find file system (first period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001344 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001345 }
1346 Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
1347 second_period = Restore_File_System.find(".");
1348 if (second_period == string::npos) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001349 LOGERR("Unable to find file system (second period).\n");
thatd43bf2d2014-09-21 23:13:02 +02001350 return string();
Gary Peck43acadf2012-11-21 21:19:01 -08001351 }
1352 Restore_File_System.resize(second_period);
Dees_Troy2673cec2013-04-02 20:22:16 +00001353 LOGINFO("Restore file system is: '%s'.\n", Restore_File_System.c_str());
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001354 return Restore_File_System;
Dees_Troy51a0e822012-09-05 15:24:24 -04001355}
1356
1357string TWPartition::Backup_Method_By_Name() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001358 if (Backup_Method == NONE)
1359 return "none";
1360 else if (Backup_Method == FILES)
1361 return "files";
1362 else if (Backup_Method == DD)
1363 return "dd";
1364 else if (Backup_Method == FLASH_UTILS)
1365 return "flash_utils";
1366 else
1367 return "undefined";
1368 return "ERROR!";
Dees_Troy51a0e822012-09-05 15:24:24 -04001369}
1370
1371bool TWPartition::Decrypt(string Password) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001372 LOGINFO("STUB TWPartition::Decrypt, password: '%s'\n", Password.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001373 // Is this needed?
Dees_Troy51a0e822012-09-05 15:24:24 -04001374 return 1;
1375}
1376
1377bool TWPartition::Wipe_Encryption() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001378 bool Save_Data_Media = Has_Data_Media;
1379
1380 if (!UnMount(true))
1381 return false;
1382
Dees_Troy38bd7602012-09-14 13:33:53 -04001383 Has_Data_Media = false;
Dees_Troy74fb2e92013-04-15 14:35:47 +00001384 Decrypted_Block_Device = "";
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001385#ifdef TW_INCLUDE_CRYPTO
1386 if (Is_Decrypted) {
1387 if (!UnMount(true))
1388 return false;
1389 if (delete_crypto_blk_dev("userdata") != 0) {
1390 LOGERR("Error deleting crypto block device, continuing anyway.\n");
1391 }
1392 }
1393#endif
Dees_Troy74fb2e92013-04-15 14:35:47 +00001394 Is_Decrypted = false;
1395 Is_Encrypted = false;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001396 Find_Actual_Block_Device();
Gary Pecke8bc5d72012-12-21 06:45:25 -08001397 if (Wipe(Fstab_File_System)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001398 Has_Data_Media = Save_Data_Media;
1399 if (Has_Data_Media && !Symlink_Mount_Point.empty()) {
1400 Recreate_Media_Folder();
Ethan Yonker726a0202014-12-16 20:01:38 -06001401 if (Mount(false))
1402 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001403 }
Ethan Yonkerd79d9bc2014-12-20 15:38:29 -06001404 DataManager::SetValue(TW_IS_ENCRYPTED, 0);
Ethan Yonker83e82572014-04-04 10:59:28 -05001405#ifndef TW_OEM_BUILD
Dees_Troy2673cec2013-04-02 20:22:16 +00001406 gui_print("You may need to reboot recovery to be able to use /data again.\n");
Ethan Yonker83e82572014-04-04 10:59:28 -05001407#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001408 return true;
1409 } else {
1410 Has_Data_Media = Save_Data_Media;
Dees_Troy2673cec2013-04-02 20:22:16 +00001411 LOGERR("Unable to format to remove encryption.\n");
Ethan Yonker726a0202014-12-16 20:01:38 -06001412 if (Has_Data_Media && Mount(false))
1413 PartitionManager.Add_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001414 return false;
1415 }
1416 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001417}
1418
1419void TWPartition::Check_FS_Type() {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001420 const char* type;
1421 blkid_probe pr;
Dees_Troy5bf43922012-09-07 16:07:55 -04001422
Dees_Troy68cab492012-12-12 19:29:35 +00001423 if (Fstab_File_System == "yaffs2" || Fstab_File_System == "mtd" || Fstab_File_System == "bml" || Ignore_Blkid)
1424 return; // Running blkid on some mtd devices causes a massive crash or needs to be skipped
Dees_Troy5bf43922012-09-07 16:07:55 -04001425
Dees_Troy38bd7602012-09-14 13:33:53 -04001426 Find_Actual_Block_Device();
Dees_Troy8170a922012-09-18 15:40:25 -04001427 if (!Is_Present)
1428 return;
Dees_Troy51127312012-09-08 13:08:49 -04001429
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001430 pr = blkid_new_probe_from_filename(Actual_Block_Device.c_str());
1431 if (blkid_do_fullprobe(pr)) {
1432 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001433 LOGINFO("Can't probe device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001434 return;
Dees_Troy5bf43922012-09-07 16:07:55 -04001435 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001436
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05001437 if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) < 0) {
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001438 blkid_free_probe(pr);
Dees_Troy2673cec2013-04-02 20:22:16 +00001439 LOGINFO("can't find filesystem on device %s\n", Actual_Block_Device.c_str());
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001440 return;
1441 }
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001442
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001443 Current_File_System = type;
Vojtech Bocek4d4b3362013-06-24 22:46:13 +02001444 blkid_free_probe(pr);
Dees_Troy51a0e822012-09-05 15:24:24 -04001445}
1446
Gary Peck43acadf2012-11-21 21:19:01 -08001447bool TWPartition::Wipe_EXT23(string File_System) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001448 if (!UnMount(true))
1449 return false;
1450
Dees_Troy43d8b002012-09-17 16:00:01 -04001451 if (TWFunc::Path_Exists("/sbin/mke2fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001452 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001453
Dees_Troy2673cec2013-04-02 20:22:16 +00001454 gui_print("Formatting %s using mke2fs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001455 Find_Actual_Block_Device();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001456 command = "mke2fs -t " + File_System + " -m 0 " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001457 LOGINFO("mke2fs command: %s\n", command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001458 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001459 Current_File_System = File_System;
Dees_Troye58d5262012-09-21 12:27:57 -04001460 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001461 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001462 return true;
1463 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001464 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001465 return false;
1466 }
1467 } else
1468 return Wipe_RMRF();
1469
1470 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001471}
1472
1473bool TWPartition::Wipe_EXT4() {
Ethan Yonker25f20c12014-10-14 09:04:43 -05001474 Find_Actual_Block_Device();
1475 if (!Is_Present) {
1476 LOGERR("Block device not present, cannot wipe %s.\n", Display_Name.c_str());
1477 return false;
1478 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001479 if (!UnMount(true))
1480 return false;
1481
Dees_Troyb3265ab2013-08-30 02:59:14 +00001482#if defined(HAVE_SELINUX) && defined(USE_EXT4)
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001483 int ret;
1484 char *secontext = NULL;
1485
Dees_Troya95f55c2013-08-17 13:14:43 +00001486 gui_print("Formatting %s using make_ext4fs function.\n", Display_Name.c_str());
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001487
Dees Troy99c8dbf2014-03-10 16:53:58 +00001488 if (!selinux_handle || selabel_lookup(selinux_handle, &secontext, Mount_Point.c_str(), S_IFDIR) < 0) {
Ethan Yonkerf27497f2014-02-09 11:48:33 -06001489 LOGINFO("Cannot lookup security context for '%s'\n", Mount_Point.c_str());
1490 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), NULL);
1491 } else {
1492 ret = make_ext4fs(Actual_Block_Device.c_str(), Length, Mount_Point.c_str(), selinux_handle);
1493 }
1494 if (ret != 0) {
Dees_Troya95f55c2013-08-17 13:14:43 +00001495 LOGERR("Unable to wipe '%s' using function call.\n", Mount_Point.c_str());
1496 return false;
1497 } else {
bigbiff bigbiffc49d7062013-10-11 20:28:00 -04001498 string sedir = Mount_Point + "/lost+found";
1499 PartitionManager.Mount_By_Path(sedir.c_str(), true);
1500 rmdir(sedir.c_str());
1501 mkdir(sedir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP);
Dees_Troya95f55c2013-08-17 13:14:43 +00001502 return true;
1503 }
1504#else
Dees_Troy43d8b002012-09-17 16:00:01 -04001505 if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
Vojtech Bocek05534202013-09-11 08:11:56 +02001506 string Command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001507
Dees_Troy2673cec2013-04-02 20:22:16 +00001508 gui_print("Formatting %s using make_ext4fs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001509 Find_Actual_Block_Device();
1510 Command = "make_ext4fs";
1511 if (!Is_Decrypted && Length != 0) {
1512 // Only use length if we're not decrypted
1513 char len[32];
1514 sprintf(len, "%i", Length);
1515 Command += " -l ";
1516 Command += len;
1517 }
Dees_Troy5295d582013-09-06 15:51:08 +00001518 if (TWFunc::Path_Exists("/file_contexts")) {
1519 Command += " -S /file_contexts";
1520 }
1521 Command += " -a " + Mount_Point + " " + Actual_Block_Device;
Dees_Troy2673cec2013-04-02 20:22:16 +00001522 LOGINFO("make_ext4fs command: %s\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001523 if (TWFunc::Exec_Cmd(Command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001524 Current_File_System = "ext4";
Dees_Troye58d5262012-09-21 12:27:57 -04001525 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001526 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001527 return true;
1528 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001529 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001530 return false;
1531 }
1532 } else
Gary Peck43acadf2012-11-21 21:19:01 -08001533 return Wipe_EXT23("ext4");
Dees_Troya95f55c2013-08-17 13:14:43 +00001534#endif
Dees_Troy38bd7602012-09-14 13:33:53 -04001535 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001536}
1537
1538bool TWPartition::Wipe_FAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001539 string command;
Dees_Troy38bd7602012-09-14 13:33:53 -04001540
Dees_Troy43d8b002012-09-17 16:00:01 -04001541 if (TWFunc::Path_Exists("/sbin/mkdosfs")) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001542 if (!UnMount(true))
1543 return false;
1544
Dees_Troy2673cec2013-04-02 20:22:16 +00001545 gui_print("Formatting %s using mkdosfs...\n", Display_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001546 Find_Actual_Block_Device();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001547 command = "mkdosfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001548 if (TWFunc::Exec_Cmd(command) == 0) {
Gary Pecke8bc5d72012-12-21 06:45:25 -08001549 Current_File_System = "vfat";
Dees_Troye58d5262012-09-21 12:27:57 -04001550 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001551 gui_print("Done.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001552 return true;
1553 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001554 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001555 return false;
1556 }
1557 return true;
1558 }
1559 else
1560 return Wipe_RMRF();
1561
1562 return false;
Dees_Troy51a0e822012-09-05 15:24:24 -04001563}
1564
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001565bool TWPartition::Wipe_EXFAT() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001566 string command;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001567
1568 if (TWFunc::Path_Exists("/sbin/mkexfatfs")) {
1569 if (!UnMount(true))
1570 return false;
1571
Dees_Troy2673cec2013-04-02 20:22:16 +00001572 gui_print("Formatting %s using mkexfatfs...\n", Display_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001573 Find_Actual_Block_Device();
1574 command = "mkexfatfs " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001575 if (TWFunc::Exec_Cmd(command) == 0) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001576 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001577 gui_print("Done.\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001578 return true;
1579 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001580 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001581 return false;
1582 }
1583 return true;
1584 }
1585 return false;
1586}
1587
Dees_Troy38bd7602012-09-14 13:33:53 -04001588bool TWPartition::Wipe_MTD() {
1589 if (!UnMount(true))
1590 return false;
1591
Dees_Troy2673cec2013-04-02 20:22:16 +00001592 gui_print("MTD Formatting \"%s\"\n", MTD_Name.c_str());
Dees_Troy38bd7602012-09-14 13:33:53 -04001593
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001594 mtd_scan_partitions();
1595 const MtdPartition* mtd = mtd_find_partition_by_name(MTD_Name.c_str());
1596 if (mtd == NULL) {
1597 LOGERR("No mtd partition named '%s'", MTD_Name.c_str());
1598 return false;
1599 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001600
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001601 MtdWriteContext* ctx = mtd_write_partition(mtd);
1602 if (ctx == NULL) {
1603 LOGERR("Can't write '%s', failed to format.", MTD_Name.c_str());
1604 return false;
1605 }
1606 if (mtd_erase_blocks(ctx, -1) == -1) {
1607 mtd_write_close(ctx);
1608 LOGERR("Failed to format '%s'", MTD_Name.c_str());
1609 return false;
1610 }
1611 if (mtd_write_close(ctx) != 0) {
1612 LOGERR("Failed to close '%s'", MTD_Name.c_str());
1613 return false;
1614 }
Gary Pecke8bc5d72012-12-21 06:45:25 -08001615 Current_File_System = "yaffs2";
Dees_Troye58d5262012-09-21 12:27:57 -04001616 Recreate_AndSec_Folder();
Dees_Troy2673cec2013-04-02 20:22:16 +00001617 gui_print("Done.\n");
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001618 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001619}
1620
1621bool TWPartition::Wipe_RMRF() {
Dees_Troy38bd7602012-09-14 13:33:53 -04001622 if (!Mount(true))
1623 return false;
Ethan Yonker726a0202014-12-16 20:01:38 -06001624 // This is the only wipe that leaves the partition mounted, so we
1625 // must manually remove the partition from MTP if it is a storage
1626 // partition.
1627 if (Is_Storage)
1628 PartitionManager.Remove_MTP_Storage(MTP_Storage_ID);
Dees_Troy38bd7602012-09-14 13:33:53 -04001629
Dees_Troy2673cec2013-04-02 20:22:16 +00001630 gui_print("Removing all files under '%s'\n", Mount_Point.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001631 TWFunc::removeDir(Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04001632 Recreate_AndSec_Folder();
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001633 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001634}
1635
Dees_Troye5017042013-08-29 16:38:55 +00001636bool TWPartition::Wipe_F2FS() {
Vojtech Bocek05534202013-09-11 08:11:56 +02001637 string command;
Dees_Troye5017042013-08-29 16:38:55 +00001638
1639 if (TWFunc::Path_Exists("/sbin/mkfs.f2fs")) {
1640 if (!UnMount(true))
1641 return false;
1642
1643 gui_print("Formatting %s using mkfs.f2fs...\n", Display_Name.c_str());
1644 Find_Actual_Block_Device();
dhacker29a3fa75f2015-01-17 19:42:33 -05001645 command = "mkfs.f2fs -t 1";
1646 if (!Is_Decrypted && Length != 0) {
1647 // Only use length if we're not decrypted
1648 char len[32];
1649 int mod_length = Length;
1650 if (Length < 0)
1651 mod_length *= -1;
1652 sprintf(len, "%i", mod_length);
1653 command += " -r ";
1654 command += len;
1655 }
1656 command += " " + Actual_Block_Device;
Vojtech Bocek05534202013-09-11 08:11:56 +02001657 if (TWFunc::Exec_Cmd(command) == 0) {
Dees_Troye5017042013-08-29 16:38:55 +00001658 Recreate_AndSec_Folder();
1659 gui_print("Done.\n");
1660 return true;
1661 } else {
1662 LOGERR("Unable to wipe '%s'.\n", Mount_Point.c_str());
1663 return false;
1664 }
1665 return true;
1666 } else {
1667 gui_print("mkfs.f2fs binary not found, using rm -rf to wipe.\n");
1668 return Wipe_RMRF();
1669 }
1670 return false;
1671}
1672
Dees_Troy51a0e822012-09-05 15:24:24 -04001673bool TWPartition::Wipe_Data_Without_Wiping_Media() {
Ethan Yonker83e82572014-04-04 10:59:28 -05001674#ifdef TW_OEM_BUILD
1675 // In an OEM Build we want to do a full format
1676 return Wipe_Encryption();
1677#else
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001678 string dir;
Dees_Troy38bd7602012-09-14 13:33:53 -04001679
1680 // This handles wiping data on devices with "sdcard" in /data/media
1681 if (!Mount(true))
1682 return false;
1683
Dees_Troy2673cec2013-04-02 20:22:16 +00001684 gui_print("Wiping data without wiping /data/media ...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -04001685
1686 DIR* d;
1687 d = opendir("/data");
Dees_Troy16b74352012-11-14 22:27:31 +00001688 if (d != NULL) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001689 struct dirent* de;
1690 while ((de = readdir(d)) != NULL) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001691 if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
Dees_Troy16b74352012-11-14 22:27:31 +00001692 // The media folder is the "internal sdcard"
1693 // The .layout_version file is responsible for determining whether 4.2 decides up upgrade
Vojtech Bocekfafb0c52013-07-25 22:53:02 +02001694 // the media folder for multi-user.
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001695 //TODO: convert this to use twrpDU.cpp
Dees_Troy16b74352012-11-14 22:27:31 +00001696 if (strcmp(de->d_name, "media") == 0 || strcmp(de->d_name, ".layout_version") == 0) continue;
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001697
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001698 dir = "/data/";
1699 dir.append(de->d_name);
Dees_Troyce675462013-01-09 19:48:21 +00001700 if (de->d_type == DT_DIR) {
1701 TWFunc::removeDir(dir, false);
bigbiff bigbiff98f1f902013-01-19 18:46:13 -05001702 } 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 +00001703 if (!unlink(dir.c_str()))
Dees_Troy2673cec2013-04-02 20:22:16 +00001704 LOGINFO("Unable to unlink '%s'\n", dir.c_str());
Dees_Troyce675462013-01-09 19:48:21 +00001705 }
Dees_Troy38bd7602012-09-14 13:33:53 -04001706 }
1707 closedir(d);
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -05001708
Dees_Troy2673cec2013-04-02 20:22:16 +00001709 gui_print("Done.\n");
Dees_Troy16b74352012-11-14 22:27:31 +00001710 return true;
Dees_Troy38bd7602012-09-14 13:33:53 -04001711 }
Dees_Troy2673cec2013-04-02 20:22:16 +00001712 gui_print("Dirent failed to open /data, error!\n");
Dees_Troy16b74352012-11-14 22:27:31 +00001713 return false;
Ethan Yonker83e82572014-04-04 10:59:28 -05001714#endif // ifdef TW_OEM_BUILD
Dees_Troy51a0e822012-09-05 15:24:24 -04001715}
1716
bigbiff7abc5fe2015-01-17 16:53:12 -05001717bool 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 -04001718 char back_name[255], split_index[5];
1719 string Full_FileName, Split_FileName, Tar_Args, Command;
Dees_Troy83bd4832013-05-04 12:39:56 +00001720 int use_compression, use_encryption = 0, index, backup_count;
Dees_Troy4a2a1262012-09-18 09:33:47 -04001721 struct stat st;
Dees_Troy7c2dec82012-09-26 09:49:14 -04001722 unsigned long long total_bsize = 0, file_size;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001723 twrpTar tar;
1724 vector <string> files;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -05001725
Dees_Troy43d8b002012-09-17 16:00:01 -04001726 if (!Mount(true))
1727 return false;
1728
Dees_Troya13d74f2013-03-24 08:54:55 -05001729 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Backup_Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00001730 gui_print("Backing up %s...\n", Backup_Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001731
1732 DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
Dees_Troy83bd4832013-05-04 12:39:56 +00001733 tar.use_compression = use_compression;
Matt Mowerbb81e5d2014-03-20 18:05:41 -05001734
Dees_Troy83bd4832013-05-04 12:39:56 +00001735#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
1736 DataManager::GetValue("tw_encrypt_backup", use_encryption);
1737 if (use_encryption && Can_Encrypt_Backup) {
1738 tar.use_encryption = use_encryption;
1739 if (Use_Userdata_Encryption)
1740 tar.userdata_encryption = use_encryption;
Ethan Yonker87af5632014-02-10 11:56:35 -06001741 string Password;
1742 DataManager::GetValue("tw_backup_password", Password);
1743 tar.setpassword(Password);
Dees_Troy83bd4832013-05-04 12:39:56 +00001744 } else {
1745 use_encryption = false;
1746 }
1747#endif
Dees_Troy43d8b002012-09-17 16:00:01 -04001748
1749 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1750 Backup_FileName = back_name;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001751 Full_FileName = backup_folder + "/" + Backup_FileName;
Dees_Troy83bd4832013-05-04 12:39:56 +00001752 tar.has_data_media = Has_Data_Media;
Dees Troye0a433a2013-12-02 04:10:37 +00001753 Full_FileName = backup_folder + "/" + Backup_FileName;
1754 tar.setdir(Backup_Path);
1755 tar.setfn(Full_FileName);
1756 tar.setsize(Backup_Size);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001757 tar.partition_name = Backup_Name;
1758 tar.backup_folder = backup_folder;
bigbiff7abc5fe2015-01-17 16:53:12 -05001759 if (tar.createTarFork(overall_size, other_backups_size, tar_fork_pid) != 0)
Dees Troye0a433a2013-12-02 04:10:37 +00001760 return false;
Dees_Troy43d8b002012-09-17 16:00:01 -04001761 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001762}
1763
1764bool TWPartition::Backup_DD(string backup_folder) {
igoriok87e3d932013-01-31 21:03:53 +02001765 char back_name[255], backup_size[32];
Vojtech Bocek05534202013-09-11 08:11:56 +02001766 string Full_FileName, Command, DD_BS;
Dees_Troy43d8b002012-09-17 16:00:01 -04001767 int use_compression;
1768
igoriok87e3d932013-01-31 21:03:53 +02001769 sprintf(backup_size, "%llu", Backup_Size);
1770 DD_BS = backup_size;
1771
Dees_Troyb46a6842012-09-25 11:06:46 -04001772 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00001773 gui_print("Backing up %s...\n", Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001774
1775 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1776 Backup_FileName = back_name;
1777
1778 Full_FileName = backup_folder + "/" + Backup_FileName;
1779
Ethan Yonker448c8dc2014-12-08 15:34:34 -06001780 Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'" + " bs=" + DD_BS + " count=1";
Dees_Troy2673cec2013-04-02 20:22:16 +00001781 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001782 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06001783 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troyc154ac22012-10-12 15:36:47 -04001784 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +00001785 LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04001786 return false;
1787 }
Dees_Troy43d8b002012-09-17 16:00:01 -04001788 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001789}
1790
1791bool TWPartition::Backup_Dump_Image(string backup_folder) {
Dees_Troy43d8b002012-09-17 16:00:01 -04001792 char back_name[255];
Vojtech Bocek05534202013-09-11 08:11:56 +02001793 string Full_FileName, Command;
Dees_Troy43d8b002012-09-17 16:00:01 -04001794 int use_compression;
1795
Dees_Troyb46a6842012-09-25 11:06:46 -04001796 TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
Dees_Troy2673cec2013-04-02 20:22:16 +00001797 gui_print("Backing up %s...\n", Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001798
1799 sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
1800 Backup_FileName = back_name;
1801
1802 Full_FileName = backup_folder + "/" + Backup_FileName;
1803
1804 Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
Dees_Troy2673cec2013-04-02 20:22:16 +00001805 LOGINFO("Backup command: '%s'\n", Command.c_str());
Vojtech Bocek05534202013-09-11 08:11:56 +02001806 TWFunc::Exec_Cmd(Command);
Ethan Yonker4b94cfd2014-12-11 10:00:45 -06001807 tw_set_default_metadata(Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04001808 if (TWFunc::Get_File_Size(Full_FileName) == 0) {
1809 // Actual size may not match backup size due to bad blocks on MTD devices so just check for 0 bytes
Dees_Troy2673cec2013-04-02 20:22:16 +00001810 LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
Dees_Troy7c2dec82012-09-26 09:49:14 -04001811 return false;
1812 }
Dees_Troy43d8b002012-09-17 16:00:01 -04001813 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001814}
1815
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001816unsigned long long TWPartition::Get_Restore_Size(string restore_folder) {
1817 InfoManager restore_info(restore_folder + "/" + Backup_Name + ".info");
1818 if (restore_info.LoadValues() == 0) {
1819 if (restore_info.GetValue("backup_size", Restore_Size) == 0) {
1820 LOGINFO("Read info file, restore size is %llu\n", Restore_Size);
1821 return Restore_Size;
1822 }
1823 }
1824 string Full_FileName, Restore_File_System = Get_Restore_File_System(restore_folder);
1825
1826 Full_FileName = restore_folder + "/" + Backup_FileName;
1827
1828 if (Is_Image(Restore_File_System)) {
1829 Restore_Size = TWFunc::Get_File_Size(Full_FileName);
1830 return Restore_Size;
1831 }
1832
1833 twrpTar tar;
1834 tar.setdir(Backup_Path);
1835 tar.setfn(Full_FileName);
1836 tar.backup_name = Backup_Name;
1837#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
1838 string Password;
1839 DataManager::GetValue("tw_restore_password", Password);
1840 if (!Password.empty())
1841 tar.setpassword(Password);
1842#endif
1843 tar.partition_name = Backup_Name;
1844 tar.backup_folder = restore_folder;
1845 Restore_Size = tar.get_size();
1846 return Restore_Size;
1847}
1848
1849bool 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 -08001850 string Full_FileName, Command;
Dees_Troy4a2a1262012-09-18 09:33:47 -04001851 int index = 0;
1852 char split_index[5];
Dees Troy4159aed2014-02-28 17:24:43 +00001853 bool ret = false;
Dees_Troy43d8b002012-09-17 16:00:01 -04001854
Dees_Troye58d5262012-09-21 12:27:57 -04001855 if (Has_Android_Secure) {
Dees_Troye58d5262012-09-21 12:27:57 -04001856 if (!Wipe_AndSec())
1857 return false;
Gary Peck43acadf2012-11-21 21:19:01 -08001858 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +00001859 gui_print("Wiping %s...\n", Display_Name.c_str());
Ethan Yonker5eac2222014-06-11 12:22:55 -05001860 if (Has_Data_Media && Mount_Point == "/data" && Restore_File_System != Current_File_System) {
1861 gui_print("WARNING: This /data backup was made with %s file system!\n", Restore_File_System.c_str());
1862 gui_print("The backup may not boot unless you change back to %s.\n", Restore_File_System.c_str());
1863 if (!Wipe_Data_Without_Wiping_Media())
1864 return false;
1865 } else {
1866 if (!Wipe(Restore_File_System))
1867 return false;
1868 }
Dees_Troye58d5262012-09-21 12:27:57 -04001869 }
Dees_Troya13d74f2013-03-24 08:54:55 -05001870 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Backup_Display_Name, "Restoring");
Dees_Troy2673cec2013-04-02 20:22:16 +00001871 gui_print("Restoring %s...\n", Backup_Display_Name.c_str());
Dees_Troy43d8b002012-09-17 16:00:01 -04001872
1873 if (!Mount(true))
1874 return false;
1875
Dees_Troy4a2a1262012-09-18 09:33:47 -04001876 Full_FileName = restore_folder + "/" + Backup_FileName;
Ethan Yonker87af5632014-02-10 11:56:35 -06001877 twrpTar tar;
1878 tar.setdir(Backup_Path);
1879 tar.setfn(Full_FileName);
1880 tar.backup_name = Backup_Name;
1881#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
1882 string Password;
1883 DataManager::GetValue("tw_restore_password", Password);
1884 if (!Password.empty())
1885 tar.setpassword(Password);
1886#endif
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001887 if (tar.extractTarFork(total_restore_size, already_restored_size) != 0)
Dees Troy4159aed2014-02-28 17:24:43 +00001888 ret = false;
1889 else
1890 ret = true;
1891#ifdef HAVE_CAPABILITIES
1892 // Restore capabilities to the run-as binary
1893 if (Mount_Point == "/system" && Mount(true) && TWFunc::Path_Exists("/system/bin/run-as")) {
1894 struct vfs_cap_data cap_data;
1895 uint64_t capabilities = (1 << CAP_SETUID) | (1 << CAP_SETGID);
1896
1897 memset(&cap_data, 0, sizeof(cap_data));
1898 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
1899 cap_data.data[0].permitted = (uint32_t) (capabilities & 0xffffffff);
1900 cap_data.data[0].inheritable = 0;
1901 cap_data.data[1].permitted = (uint32_t) (capabilities >> 32);
1902 cap_data.data[1].inheritable = 0;
1903 if (setxattr("/system/bin/run-as", XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
1904 LOGINFO("Failed to reset capabilities of /system/bin/run-as binary.\n");
1905 } else {
1906 LOGINFO("Reset capabilities of /system/bin/run-as binary successful.\n");
1907 }
1908 }
1909#endif
1910 return ret;
Dees_Troy51a0e822012-09-05 15:24:24 -04001911}
1912
Ethan Yonker96af84a2015-01-05 14:58:36 -06001913bool TWPartition::Restore_Image(string restore_folder, const unsigned long long *total_restore_size, unsigned long long *already_restored_size, string Restore_File_System) {
1914 string Full_FileName;
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001915 double display_percent, progress_percent;
1916 char size_progress[1024];
Dees_Troy43d8b002012-09-17 16:00:01 -04001917
Dees_Troyda8b55a2012-12-12 19:18:30 +00001918 TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
Dees_Troy43d8b002012-09-17 16:00:01 -04001919 Full_FileName = restore_folder + "/" + Backup_FileName;
Gary Peck15e623d2012-11-21 21:07:58 -08001920
Ethan Yonker96af84a2015-01-05 14:58:36 -06001921 if (Restore_File_System == "emmc") {
1922 if (!Flash_Image_DD(Full_FileName))
1923 return false;
1924 } else if (Restore_File_System == "mtd" || Restore_File_System == "bml") {
1925 if (!Flash_Image_FI(Full_FileName))
1926 return false;
Gary Peck15e623d2012-11-21 21:07:58 -08001927 }
Ethan Yonker1b7a31b2014-07-03 15:09:22 -05001928 display_percent = (double)(Restore_Size + *already_restored_size) / (double)(*total_restore_size) * 100;
1929 sprintf(size_progress, "%lluMB of %lluMB, %i%%", (Restore_Size + *already_restored_size) / 1048576, *total_restore_size / 1048576, (int)(display_percent));
1930 DataManager::SetValue("tw_size_progress", size_progress);
1931 progress_percent = (display_percent / 100);
1932 DataManager::SetProgress((float)(progress_percent));
1933 *already_restored_size += Restore_Size;
Dees_Troy43d8b002012-09-17 16:00:01 -04001934 return true;
Dees_Troy51a0e822012-09-05 15:24:24 -04001935}
Dees_Troy5bf43922012-09-07 16:07:55 -04001936
1937bool TWPartition::Update_Size(bool Display_Error) {
Dees_Troy0550cfb2012-10-13 11:56:13 -04001938 bool ret = false, Was_Already_Mounted = false;
Dees_Troy51127312012-09-08 13:08:49 -04001939
Dees_Troyab10ee22012-09-21 14:27:30 -04001940 if (!Can_Be_Mounted && !Is_Encrypted)
Dees_Troy5bf43922012-09-07 16:07:55 -04001941 return false;
1942
Dees_Troy0550cfb2012-10-13 11:56:13 -04001943 Was_Already_Mounted = Is_Mounted();
Dees_Troy38bd7602012-09-14 13:33:53 -04001944 if (Removable || Is_Encrypted) {
1945 if (!Mount(false))
1946 return true;
1947 } else if (!Mount(Display_Error))
Dees_Troy5bf43922012-09-07 16:07:55 -04001948 return false;
Dees_Troy51127312012-09-08 13:08:49 -04001949
1950 ret = Get_Size_Via_statfs(Display_Error);
Dees_Troy0550cfb2012-10-13 11:56:13 -04001951 if (!ret || Size == 0) {
1952 if (!Get_Size_Via_df(Display_Error)) {
1953 if (!Was_Already_Mounted)
1954 UnMount(false);
Dees_Troy51127312012-09-08 13:08:49 -04001955 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04001956 }
1957 }
Dees_Troy51127312012-09-08 13:08:49 -04001958
Dees_Troy5bf43922012-09-07 16:07:55 -04001959 if (Has_Data_Media) {
1960 if (Mount(Display_Error)) {
Dees_Troy51127312012-09-08 13:08:49 -04001961 unsigned long long data_media_used, actual_data;
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001962 Used = du.Get_Folder_Size("/data");
1963 Backup_Size = Used;
1964 int bak = (int)(Used / 1048576LLU);
Dees_Troy51127312012-09-08 13:08:49 -04001965 int fre = (int)(Free / 1048576LLU);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001966 LOGINFO("Data backup size is %iMB, free: %iMB.\n", bak, fre);
Dees_Troy0550cfb2012-10-13 11:56:13 -04001967 } else {
1968 if (!Was_Already_Mounted)
1969 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04001970 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04001971 }
Dees_Troye58d5262012-09-21 12:27:57 -04001972 } else if (Has_Android_Secure) {
1973 if (Mount(Display_Error))
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001974 Backup_Size = du.Get_Folder_Size(Backup_Path);
Dees_Troy0550cfb2012-10-13 11:56:13 -04001975 else {
1976 if (!Was_Already_Mounted)
1977 UnMount(false);
Dees_Troye58d5262012-09-21 12:27:57 -04001978 return false;
Dees_Troy0550cfb2012-10-13 11:56:13 -04001979 }
Dees_Troy5bf43922012-09-07 16:07:55 -04001980 }
Dees_Troy0550cfb2012-10-13 11:56:13 -04001981 if (!Was_Already_Mounted)
1982 UnMount(false);
Dees_Troy5bf43922012-09-07 16:07:55 -04001983 return true;
Dees_Troy51127312012-09-08 13:08:49 -04001984}
Dees_Troy38bd7602012-09-14 13:33:53 -04001985
1986void TWPartition::Find_Actual_Block_Device(void) {
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001987 if (Is_Decrypted && !Decrypted_Block_Device.empty()) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001988 Actual_Block_Device = Decrypted_Block_Device;
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001989 if (TWFunc::Path_Exists(Decrypted_Block_Device))
Dees_Troy38bd7602012-09-14 13:33:53 -04001990 Is_Present = true;
Dees_Troy43d8b002012-09-17 16:00:01 -04001991 } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Dees_Troy38bd7602012-09-14 13:33:53 -04001992 Is_Present = true;
1993 Actual_Block_Device = Primary_Block_Device;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05001994 return;
1995 }
1996 if (Is_Decrypted) {
Dees_Troy43d8b002012-09-17 16:00:01 -04001997 } else if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Dees_Troy3f04d032012-10-07 18:20:09 -04001998 Actual_Block_Device = Alternate_Block_Device;
Dees_Troy38bd7602012-09-14 13:33:53 -04001999 Is_Present = true;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002000 } else {
Dees_Troy38bd7602012-09-14 13:33:53 -04002001 Is_Present = false;
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002002 }
Dees_Troy38bd7602012-09-14 13:33:53 -04002003}
2004
2005void TWPartition::Recreate_Media_Folder(void) {
2006 string Command;
2007
2008 if (!Mount(true)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002009 LOGERR("Unable to recreate /data/media folder.\n");
Dees_Troyb46a6842012-09-25 11:06:46 -04002010 } else if (!TWFunc::Path_Exists("/data/media")) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002011 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy2673cec2013-04-02 20:22:16 +00002012 LOGINFO("Recreating /data/media folder.\n");
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002013 mkdir("/data/media", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002014#ifdef HAVE_SELINUX
thata3d31fb2014-12-21 22:27:40 +01002015 // Attempt to set the correct SELinux contexts on the folder
2016 fixPermissions perms;
bigbiff bigbiff6b600f92014-01-05 18:13:43 -05002017 perms.fixDataInternalContexts();
thata3d31fb2014-12-21 22:27:40 +01002018 // Afterwards, we will try to set the
2019 // default metadata that we were hopefully able to get during
2020 // early boot.
2021 tw_set_default_metadata("/data/media");
Ethan Yonker5ef301e2014-10-14 10:04:44 -05002022#endif
Ethan Yonker5eac2222014-06-11 12:22:55 -05002023 // Toggle mount to ensure that "internal sdcard" gets mounted
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002024 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Ethan Yonker5eac2222014-06-11 12:22:55 -05002025 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Dees_Troy38bd7602012-09-14 13:33:53 -04002026 }
Dees_Troy43d8b002012-09-17 16:00:01 -04002027}
Dees_Troye58d5262012-09-21 12:27:57 -04002028
2029void TWPartition::Recreate_AndSec_Folder(void) {
Dees_Troye58d5262012-09-21 12:27:57 -04002030 if (!Has_Android_Secure)
2031 return;
Dees_Troy2673cec2013-04-02 20:22:16 +00002032 LOGINFO("Creating %s: %s\n", Backup_Display_Name.c_str(), Symlink_Path.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04002033 if (!Mount(true)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002034 LOGERR("Unable to recreate %s folder.\n", Backup_Name.c_str());
Dees_Troye58d5262012-09-21 12:27:57 -04002035 } else if (!TWFunc::Path_Exists(Symlink_Path)) {
Dees_Troy2673cec2013-04-02 20:22:16 +00002036 LOGINFO("Recreating %s folder.\n", Backup_Name.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002037 PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
Matt Mowerfb1c4ff2014-04-16 13:43:36 -05002038 mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
bigbiff bigbiff9c754052013-01-09 09:09:08 -05002039 PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
Dees_Troye58d5262012-09-21 12:27:57 -04002040 }
2041}
bigbiff7cb4c332014-11-26 20:36:07 -05002042
2043uint64_t TWPartition::Get_Max_FileSize() {
2044 uint64_t maxFileSize = 0;
2045 const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
2046 const uint64_t constTB = (uint64_t) constGB * 1024;
2047 const uint64_t constPB = (uint64_t) constTB * 1024;
2048 const uint64_t constEB = (uint64_t) constPB * 1024;
bigbiff0c532032014-12-21 13:41:26 -05002049 if (Current_File_System == "ext4")
2050 maxFileSize = 16 * constTB; //16 TB
2051 else if (Current_File_System == "vfat")
2052 maxFileSize = 4 * constGB; //4 GB
2053 else if (Current_File_System == "ntfs")
2054 maxFileSize = 256 * constTB; //256 TB
2055 else if (Current_File_System == "exfat")
2056 maxFileSize = 16 * constPB; //16 PB
2057 else if (Current_File_System == "ext3")
2058 maxFileSize = 2 * constTB; //2 TB
2059 else if (Current_File_System == "f2fs")
2060 maxFileSize = 3.94 * constTB; //3.94 TB
bigbiff7cb4c332014-11-26 20:36:07 -05002061 else
2062 maxFileSize = 100000000L;
Ethan Yonker96af84a2015-01-05 14:58:36 -06002063 LOGINFO("Get_Max_FileSize::maxFileSize: %llu\n", maxFileSize);
bigbiff7cb4c332014-11-26 20:36:07 -05002064 return maxFileSize - 1;
2065}
2066
Ethan Yonker96af84a2015-01-05 14:58:36 -06002067bool TWPartition::Flash_Image(string Filename) {
2068 string Restore_File_System;
2069
2070 LOGINFO("Image filename is: %s\n", Filename.c_str());
2071
2072 if (Backup_Method == FILES) {
2073 LOGERR("Cannot flash images to file systems\n");
2074 return false;
2075 } else if (!Can_Flash_Img) {
2076 LOGERR("Cannot flash images to partitions %s\n", Display_Name.c_str());
2077 return false;
2078 } else {
2079 if (!Find_Partition_Size()) {
2080 LOGERR("Unable to find partition size for '%s'\n", Mount_Point.c_str());
2081 return false;
2082 }
2083 unsigned long long image_size = TWFunc::Get_File_Size(Filename);
2084 if (image_size > Size) {
2085 LOGERR("Size (%llu bytes) of image '%s' is larger than target device '%s' (%llu bytes)\n",
2086 image_size, Filename.c_str(), Actual_Block_Device.c_str(), Size);
2087 return false;
2088 }
2089 if (Backup_Method == DD)
2090 return Flash_Image_DD(Filename);
2091 else if (Backup_Method == FLASH_UTILS)
2092 return Flash_Image_FI(Filename);
2093 }
2094
2095 LOGERR("Unknown flash method for '%s'\n", Mount_Point.c_str());
2096 return false;
2097}
2098
2099bool TWPartition::Flash_Image_DD(string Filename) {
2100 string Command;
2101
2102 gui_print("Flashing %s...\n", Display_Name.c_str());
2103 Command = "dd bs=4096 if='" + Filename + "' of=" + Actual_Block_Device;
2104 LOGINFO("Flash command: '%s'\n", Command.c_str());
2105 TWFunc::Exec_Cmd(Command);
2106 return true;
2107}
2108
2109bool TWPartition::Flash_Image_FI(string Filename) {
2110 string Command;
2111
2112 gui_print("Flashing %s...\n", Display_Name.c_str());
2113 // Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
2114 Command = "erase_image " + MTD_Name;
2115 LOGINFO("Erase command: '%s'\n", Command.c_str());
2116 TWFunc::Exec_Cmd(Command);
2117 Command = "flash_image " + MTD_Name + " '" + Filename + "'";
2118 LOGINFO("Flash command: '%s'\n", Command.c_str());
2119 TWFunc::Exec_Cmd(Command);
2120 return true;
2121}