blob: 4551e84b44ad21d40e990b5ad757f1e08b5f7ab9 [file] [log] [blame]
Dees Troy3be70a82013-10-22 14:25:12 +00001/*
2 Copyright 2012 bigbiff/Dees_Troy TeamWin
3 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*/
18
Dees_Troy38bd7602012-09-14 13:33:53 -040019#include <stdio.h>
20#include <stdlib.h>
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060021#include <string>
Dees_Troy38bd7602012-09-14 13:33:53 -040022#include <unistd.h>
23#include <vector>
24#include <dirent.h>
25#include <time.h>
Dees_Troy43d8b002012-09-17 16:00:01 -040026#include <errno.h>
bigbiff bigbiff9c754052013-01-09 09:09:08 -050027#include <fcntl.h>
28#include <sys/mount.h>
Dees_Troya58bead2012-09-27 09:49:29 -040029#include <sys/reboot.h>
bigbiff bigbiff9c754052013-01-09 09:09:08 -050030#include <sys/sendfile.h>
31#include <sys/stat.h>
32#include <sys/vfs.h>
Dees_Troy83bd4832013-05-04 12:39:56 +000033#include <sys/types.h>
34#include <sys/wait.h>
bigbiff bigbiff9c754052013-01-09 09:09:08 -050035#include <iostream>
36#include <fstream>
Dees_Troy83bd4832013-05-04 12:39:56 +000037#include <sstream>
Dees_Troy38bd7602012-09-14 13:33:53 -040038#include "twrp-functions.hpp"
Dees_Troy2673cec2013-04-02 20:22:16 +000039#include "twcommon.h"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060040#ifndef BUILD_TWRPTAR_MAIN
Dees_Troyb46a6842012-09-25 11:06:46 -040041#include "data.hpp"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060042#include "partitions.hpp"
Dees_Troy3477d712012-09-27 15:44:01 -040043#include "variables.h"
Dees_Troy2673cec2013-04-02 20:22:16 +000044#include "bootloader.h"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060045#ifdef ANDROID_RB_POWEROFF
46 #include "cutils/android_reboot.h"
47#endif
48#endif // ndef BUILD_TWRPTAR_MAIN
Dees_Troy83bd4832013-05-04 12:39:56 +000049#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
50 #include "openaes/inc/oaes_lib.h"
51#endif
Dees_Troy38bd7602012-09-14 13:33:53 -040052
Dees_Troyb05ddee2013-01-28 20:24:50 +000053extern "C" {
54 #include "libcrecovery/common.h"
55}
56
bigbiff bigbiff9c754052013-01-09 09:09:08 -050057/* Execute a command */
Vojtech Bocek05534202013-09-11 08:11:56 +020058int TWFunc::Exec_Cmd(const string& cmd, string &result) {
Dees_Troy29a06352013-08-24 12:06:47 +000059 FILE* exec;
60 char buffer[130];
61 int ret = 0;
62 exec = __popen(cmd.c_str(), "r");
63 if (!exec) return -1;
64 while(!feof(exec)) {
65 memset(&buffer, 0, sizeof(buffer));
66 if (fgets(buffer, 128, exec) != NULL) {
67 buffer[128] = '\n';
68 buffer[129] = NULL;
bigbiff bigbiff9c754052013-01-09 09:09:08 -050069 result += buffer;
Dees_Troyb05ddee2013-01-28 20:24:50 +000070 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -050071 }
Dees_Troy29a06352013-08-24 12:06:47 +000072 ret = __pclose(exec);
73 return ret;
bigbiff bigbiff9c754052013-01-09 09:09:08 -050074}
75
Vojtech Bocek05534202013-09-11 08:11:56 +020076int TWFunc::Exec_Cmd(const string& cmd) {
77 pid_t pid;
78 int status;
79 switch(pid = fork())
80 {
81 case -1:
bigbiff bigbiff731df792014-02-20 18:26:13 -050082 LOGERR("Exec_Cmd(): vfork failed: %d!\n", errno);
Vojtech Bocek05534202013-09-11 08:11:56 +020083 return -1;
84 case 0: // child
85 execl("/sbin/sh", "sh", "-c", cmd.c_str(), NULL);
86 _exit(127);
87 break;
88 default:
89 {
90 if (TWFunc::Wait_For_Child(pid, &status, cmd) != 0)
91 return -1;
92 else
93 return 0;
94 }
95 }
96}
97
Dees_Troy38bd7602012-09-14 13:33:53 -040098// Returns "file.name" from a full /path/to/file.name
99string TWFunc::Get_Filename(string Path) {
100 size_t pos = Path.find_last_of("/");
101 if (pos != string::npos) {
102 string Filename;
103 Filename = Path.substr(pos + 1, Path.size() - pos - 1);
104 return Filename;
105 } else
106 return Path;
107}
108
109// Returns "/path/to/" from a full /path/to/file.name
110string TWFunc::Get_Path(string Path) {
111 size_t pos = Path.find_last_of("/");
112 if (pos != string::npos) {
113 string Pathonly;
114 Pathonly = Path.substr(0, pos + 1);
115 return Pathonly;
116 } else
117 return Path;
118}
119
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600120int TWFunc::Wait_For_Child(pid_t pid, int *status, string Child_Name) {
121 pid_t rc_pid;
122
123 rc_pid = waitpid(pid, status, 0);
124 if (rc_pid > 0) {
125 if (WEXITSTATUS(*status) == 0)
126 LOGINFO("%s process ended with RC=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Success
127 else if (WIFSIGNALED(*status)) {
128 LOGINFO("%s process ended with signal: %d\n", Child_Name.c_str(), WTERMSIG(*status)); // Seg fault or some other non-graceful termination
129 return -1;
130 } else if (WEXITSTATUS(*status) != 0) {
131 LOGINFO("%s process ended with ERROR=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Graceful exit, but there was an error
132 return -1;
133 }
134 } else { // no PID returned
135 if (errno == ECHILD)
136 LOGINFO("%s no child process exist\n", Child_Name.c_str());
137 else {
138 LOGINFO("%s Unexpected error\n", Child_Name.c_str());
139 return -1;
140 }
141 }
142 return 0;
143}
144
145bool TWFunc::Path_Exists(string Path) {
146 // Check to see if the Path exists
147 struct stat st;
148 if (stat(Path.c_str(), &st) != 0)
149 return false;
150 else
151 return true;
152}
153
154int TWFunc::Get_File_Type(string fn) {
155 string::size_type i = 0;
156 int firstbyte = 0, secondbyte = 0;
157 char header[3];
158
159 ifstream f;
160 f.open(fn.c_str(), ios::in | ios::binary);
161 f.get(header, 3);
162 f.close();
163 firstbyte = header[i] & 0xff;
164 secondbyte = header[++i] & 0xff;
165
166 if (firstbyte == 0x1f && secondbyte == 0x8b)
167 return 1; // Compressed
168 else if (firstbyte == 0x4f && secondbyte == 0x41)
169 return 2; // Encrypted
170 else
171 return 0; // Unknown
172
173 return 0;
174}
175
176int TWFunc::Try_Decrypting_File(string fn, string password) {
177#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
178 OAES_CTX * ctx = NULL;
179 uint8_t _key_data[32] = "";
180 FILE *f;
181 uint8_t buffer[4096];
182 uint8_t *buffer_out = NULL;
183 uint8_t *ptr = NULL;
184 size_t read_len = 0, out_len = 0;
185 int firstbyte = 0, secondbyte = 0, key_len;
186 size_t _j = 0;
187 size_t _key_data_len = 0;
188
189 // mostly kanged from OpenAES oaes.c
190 for( _j = 0; _j < 32; _j++ )
191 _key_data[_j] = _j + 1;
192 _key_data_len = password.size();
193 if( 16 >= _key_data_len )
194 _key_data_len = 16;
195 else if( 24 >= _key_data_len )
196 _key_data_len = 24;
197 else
198 _key_data_len = 32;
199 memcpy(_key_data, password.c_str(), password.size());
200
201 ctx = oaes_alloc();
202 if (ctx == NULL) {
203 LOGERR("Failed to allocate OAES\n");
204 return -1;
205 }
206
207 oaes_key_import_data(ctx, _key_data, _key_data_len);
208
209 f = fopen(fn.c_str(), "rb");
210 if (f == NULL) {
211 LOGERR("Failed to open '%s' to try decrypt\n", fn.c_str());
212 return -1;
213 }
214 read_len = fread(buffer, sizeof(uint8_t), 4096, f);
215 if (read_len <= 0) {
216 LOGERR("Read size during try decrypt failed\n");
217 fclose(f);
218 return -1;
219 }
220 if (oaes_decrypt(ctx, buffer, read_len, NULL, &out_len) != OAES_RET_SUCCESS) {
221 LOGERR("Error: Failed to retrieve required buffer size for trying decryption.\n");
222 fclose(f);
223 return -1;
224 }
225 buffer_out = (uint8_t *) calloc(out_len, sizeof(char));
226 if (buffer_out == NULL) {
227 LOGERR("Failed to allocate output buffer for try decrypt.\n");
228 fclose(f);
229 return -1;
230 }
231 if (oaes_decrypt(ctx, buffer, read_len, buffer_out, &out_len) != OAES_RET_SUCCESS) {
232 LOGERR("Failed to decrypt file '%s'\n", fn.c_str());
233 fclose(f);
234 free(buffer_out);
235 return 0;
236 }
237 fclose(f);
238 if (out_len < 2) {
239 LOGINFO("Successfully decrypted '%s' but read length %i too small.\n", fn.c_str(), out_len);
240 free(buffer_out);
241 return 1; // Decrypted successfully
242 }
243 ptr = buffer_out;
244 firstbyte = *ptr & 0xff;
245 ptr++;
246 secondbyte = *ptr & 0xff;
247 if (firstbyte == 0x1f && secondbyte == 0x8b) {
248 LOGINFO("Successfully decrypted '%s' and file is compressed.\n", fn.c_str());
249 free(buffer_out);
250 return 3; // Compressed
251 }
252 if (out_len >= 262) {
253 ptr = buffer_out + 257;
254 if (strncmp((char*)ptr, "ustar", 5) == 0) {
255 LOGINFO("Successfully decrypted '%s' and file is tar format.\n", fn.c_str());
256 free(buffer_out);
257 return 2; // Tar
258 }
259 }
260 free(buffer_out);
261 LOGINFO("No errors decrypting '%s' but no known file format.\n", fn.c_str());
262 return 1; // Decrypted successfully
263#else
264 LOGERR("Encrypted backup support not included.\n");
265 return -1;
266#endif
267}
268
269unsigned long TWFunc::Get_File_Size(string Path) {
270 struct stat st;
271
272 if (stat(Path.c_str(), &st) != 0)
273 return 0;
274 return st.st_size;
275}
276
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100277std::string TWFunc::Remove_Trailing_Slashes(const std::string& path, bool leaveLast)
278{
279 std::string res;
280 size_t last_idx = 0, idx = 0;
281
282 while(last_idx != std::string::npos)
283 {
284 if(last_idx != 0)
285 res += '/';
286
287 idx = path.find_first_of('/', last_idx);
288 if(idx == std::string::npos) {
289 res += path.substr(last_idx, idx);
290 break;
291 }
292
293 res += path.substr(last_idx, idx-last_idx);
294 last_idx = path.find_first_not_of('/', idx);
295 }
296
297 if(leaveLast)
298 res += '/';
299 return res;
300}
301
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600302#ifndef BUILD_TWRPTAR_MAIN
303
Dees_Troy38bd7602012-09-14 13:33:53 -0400304// Returns "/path" from a full /path/to/file.name
305string TWFunc::Get_Root_Path(string Path) {
306 string Local_Path = Path;
307
308 // Make sure that we have a leading slash
309 if (Local_Path.substr(0, 1) != "/")
310 Local_Path = "/" + Local_Path;
311
312 // Trim the path to get the root path only
313 size_t position = Local_Path.find("/", 2);
314 if (position != string::npos) {
315 Local_Path.resize(position);
316 }
317 return Local_Path;
318}
319
320void TWFunc::install_htc_dumlock(void) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400321 int need_libs = 0;
322
323 if (!PartitionManager.Mount_By_Path("/system", true))
324 return;
325
326 if (!PartitionManager.Mount_By_Path("/data", true))
327 return;
328
Dees_Troy2673cec2013-04-02 20:22:16 +0000329 gui_print("Installing HTC Dumlock to system...\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500330 copy_file("/res/htcd/htcdumlocksys", "/system/bin/htcdumlock", 0755);
Dees_Troy8170a922012-09-18 15:40:25 -0400331 if (!Path_Exists("/system/bin/flash_image")) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000332 gui_print("Installing flash_image...\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500333 copy_file("/res/htcd/flash_imagesys", "/system/bin/flash_image", 0755);
Dees_Troy38bd7602012-09-14 13:33:53 -0400334 need_libs = 1;
335 } else
Dees_Troy2673cec2013-04-02 20:22:16 +0000336 gui_print("flash_image is already installed, skipping...\n");
Dees_Troy8170a922012-09-18 15:40:25 -0400337 if (!Path_Exists("/system/bin/dump_image")) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000338 gui_print("Installing dump_image...\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500339 copy_file("/res/htcd/dump_imagesys", "/system/bin/dump_image", 0755);
Dees_Troy38bd7602012-09-14 13:33:53 -0400340 need_libs = 1;
341 } else
Dees_Troy2673cec2013-04-02 20:22:16 +0000342 gui_print("dump_image is already installed, skipping...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400343 if (need_libs) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000344 gui_print("Installing libs needed for flash_image and dump_image...\n");
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500345 copy_file("/res/htcd/libbmlutils.so", "/system/lib/libbmlutils.so", 0755);
346 copy_file("/res/htcd/libflashutils.so", "/system/lib/libflashutils.so", 0755);
347 copy_file("/res/htcd/libmmcutils.so", "/system/lib/libmmcutils.so", 0755);
348 copy_file("/res/htcd/libmtdutils.so", "/system/lib/libmtdutils.so", 0755);
Dees_Troy38bd7602012-09-14 13:33:53 -0400349 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000350 gui_print("Installing HTC Dumlock app...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400351 mkdir("/data/app", 0777);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500352 unlink("/data/app/com.teamwin.htcdumlock*");
353 copy_file("/res/htcd/HTCDumlock.apk", "/data/app/com.teamwin.htcdumlock.apk", 0777);
Dees_Troy38bd7602012-09-14 13:33:53 -0400354 sync();
Dees_Troy2673cec2013-04-02 20:22:16 +0000355 gui_print("HTC Dumlock is installed.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400356}
357
358void TWFunc::htc_dumlock_restore_original_boot(void) {
359 if (!PartitionManager.Mount_By_Path("/sdcard", true))
360 return;
361
Dees_Troy2673cec2013-04-02 20:22:16 +0000362 gui_print("Restoring original boot...\n");
Vojtech Bocek05534202013-09-11 08:11:56 +0200363 Exec_Cmd("htcdumlock restore");
Dees_Troy2673cec2013-04-02 20:22:16 +0000364 gui_print("Original boot restored.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400365}
366
367void TWFunc::htc_dumlock_reflash_recovery_to_boot(void) {
368 if (!PartitionManager.Mount_By_Path("/sdcard", true))
369 return;
Dees_Troy2673cec2013-04-02 20:22:16 +0000370 gui_print("Reflashing recovery to boot...\n");
Vojtech Bocek05534202013-09-11 08:11:56 +0200371 Exec_Cmd("htcdumlock recovery noreboot");
Dees_Troy2673cec2013-04-02 20:22:16 +0000372 gui_print("Recovery is flashed to boot.\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400373}
Dees_Troy43d8b002012-09-17 16:00:01 -0400374
375int TWFunc::Recursive_Mkdir(string Path) {
376 string pathCpy = Path;
377 string wholePath;
378 size_t pos = pathCpy.find("/", 2);
379
380 while (pos != string::npos)
381 {
382 wholePath = pathCpy.substr(0, pos);
383 if (mkdir(wholePath.c_str(), 0777) && errno != EEXIST) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000384 LOGERR("Unable to create folder: %s (errno=%d)\n", wholePath.c_str(), errno);
Dees_Troy43d8b002012-09-17 16:00:01 -0400385 return false;
386 }
387
388 pos = pathCpy.find("/", pos + 1);
389 }
390 if (mkdir(wholePath.c_str(), 0777) && errno != EEXIST)
391 return false;
392 return true;
393}
394
Dees_Troyb46a6842012-09-25 11:06:46 -0400395void TWFunc::GUI_Operation_Text(string Read_Value, string Default_Text) {
396 string Display_Text;
397
398 DataManager::GetValue(Read_Value, Display_Text);
399 if (Display_Text.empty())
400 Display_Text = Default_Text;
401
402 DataManager::SetValue("tw_operation", Display_Text);
403 DataManager::SetValue("tw_partition", "");
404}
405
406void TWFunc::GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text) {
407 string Display_Text;
408
409 DataManager::GetValue(Read_Value, Display_Text);
410 if (Display_Text.empty())
411 Display_Text = Default_Text;
412
413 DataManager::SetValue("tw_operation", Display_Text);
414 DataManager::SetValue("tw_partition", Partition_Name);
Dees_Troy7c2dec82012-09-26 09:49:14 -0400415}
416
Dees_Troy2673cec2013-04-02 20:22:16 +0000417void TWFunc::Copy_Log(string Source, string Destination) {
Dees Troy9d7fdf52013-09-19 20:49:25 +0000418 PartitionManager.Mount_By_Path(Destination, false);
Dees_Troy2673cec2013-04-02 20:22:16 +0000419 FILE *destination_log = fopen(Destination.c_str(), "a");
420 if (destination_log == NULL) {
421 LOGERR("TWFunc::Copy_Log -- Can't open destination log file: '%s'\n", Destination.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600422 } else {
Dees_Troy2673cec2013-04-02 20:22:16 +0000423 FILE *source_log = fopen(Source.c_str(), "r");
424 if (source_log != NULL) {
425 fseek(source_log, Log_Offset, SEEK_SET);
426 char buffer[4096];
427 while (fgets(buffer, sizeof(buffer), source_log))
428 fputs(buffer, destination_log); // Buffered write of log file
429 Log_Offset = ftell(source_log);
430 fflush(source_log);
431 fclose(source_log);
Dees_Troy6ef66352013-02-21 08:26:57 -0600432 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000433 fflush(destination_log);
434 fclose(destination_log);
Dees_Troy6ef66352013-02-21 08:26:57 -0600435 }
Dees_Troya58bead2012-09-27 09:49:29 -0400436}
437
Dees_Troy2673cec2013-04-02 20:22:16 +0000438void TWFunc::Update_Log_File(void) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500439 // Copy logs to cache so the system can find out what happened.
Dees Troy9d7fdf52013-09-19 20:49:25 +0000440 if (PartitionManager.Mount_By_Path("/cache", false)) {
441 if (!TWFunc::Path_Exists("/cache/recovery/.")) {
442 LOGINFO("Recreating /cache/recovery folder.\n");
443 if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
444 LOGINFO("Unable to create /cache/recovery folder.\n");
445 }
446 Copy_Log(TMP_LOG_FILE, "/cache/recovery/log");
447 copy_file("/cache/recovery/log", "/cache/recovery/last_log", 600);
448 chown("/cache/recovery/log", 1000, 1000);
449 chmod("/cache/recovery/log", 0600);
450 chmod("/cache/recovery/last_log", 0640);
451 } else {
452 LOGINFO("Failed to mount /cache for TWFunc::Update_Log_File\n");
453 }
Dees_Troya58bead2012-09-27 09:49:29 -0400454
Dees_Troy2673cec2013-04-02 20:22:16 +0000455 // Reset bootloader message
456 TWPartition* Part = PartitionManager.Find_Partition_By_Path("/misc");
457 if (Part != NULL) {
458 struct bootloader_message boot;
459 memset(&boot, 0, sizeof(boot));
460 if (Part->Current_File_System == "mtd") {
461 if (set_bootloader_message_mtd_name(&boot, Part->MTD_Name.c_str()) != 0)
462 LOGERR("Unable to set MTD bootloader message.\n");
463 } else if (Part->Current_File_System == "emmc") {
464 if (set_bootloader_message_block_name(&boot, Part->Actual_Block_Device.c_str()) != 0)
465 LOGERR("Unable to set emmc bootloader message.\n");
466 } else {
467 LOGERR("Unknown file system for /misc: '%s'\n", Part->Current_File_System.c_str());
468 }
469 }
Dees_Troya58bead2012-09-27 09:49:29 -0400470
Dees Troy9d7fdf52013-09-19 20:49:25 +0000471 if (PartitionManager.Mount_By_Path("/cache", true)) {
472 if (unlink("/cache/recovery/command") && errno != ENOENT) {
473 LOGINFO("Can't unlink %s\n", "/cache/recovery/command");
474 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500475 }
Dees_Troya58bead2012-09-27 09:49:29 -0400476
Dees_Troy2673cec2013-04-02 20:22:16 +0000477 sync();
478}
479
480void TWFunc::Update_Intent_File(string Intent) {
481 if (PartitionManager.Mount_By_Path("/cache", false) && !Intent.empty()) {
482 TWFunc::write_file("/cache/recovery/intent", Intent);
483 }
Dees_Troya58bead2012-09-27 09:49:29 -0400484}
485
486// reboot: Reboot the system. Return -1 on error, no return on success
487int TWFunc::tw_reboot(RebootCommand command)
488{
489 // Always force a sync before we reboot
Dees_Troy6ef66352013-02-21 08:26:57 -0600490 sync();
Dees_Troya58bead2012-09-27 09:49:29 -0400491
Dees_Troy2673cec2013-04-02 20:22:16 +0000492 switch (command) {
493 case rb_current:
494 case rb_system:
495 Update_Log_File();
496 Update_Intent_File("s");
497 sync();
498 check_and_run_script("/sbin/rebootsystem.sh", "reboot system");
499 return reboot(RB_AUTOBOOT);
500 case rb_recovery:
501 check_and_run_script("/sbin/rebootrecovery.sh", "reboot recovery");
502 return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "recovery");
503 case rb_bootloader:
504 check_and_run_script("/sbin/rebootbootloader.sh", "reboot bootloader");
505 return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "bootloader");
506 case rb_poweroff:
507 check_and_run_script("/sbin/poweroff.sh", "power off");
Dees_Troya4438782013-02-22 18:44:00 +0000508#ifdef ANDROID_RB_POWEROFF
Dees_Troy2673cec2013-04-02 20:22:16 +0000509 android_reboot(ANDROID_RB_POWEROFF, 0, 0);
Dees_Troya4438782013-02-22 18:44:00 +0000510#endif
Dees_Troy2673cec2013-04-02 20:22:16 +0000511 return reboot(RB_POWER_OFF);
512 case rb_download:
513 check_and_run_script("/sbin/rebootdownload.sh", "reboot download");
514 return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "download");
515 default:
516 return -1;
Dees_Troy6ef66352013-02-21 08:26:57 -0600517 }
518 return -1;
Dees_Troya58bead2012-09-27 09:49:29 -0400519}
520
521void TWFunc::check_and_run_script(const char* script_file, const char* display_name)
522{
523 // Check for and run startup script if script exists
524 struct stat st;
525 if (stat(script_file, &st) == 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000526 gui_print("Running %s script...\n", display_name);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500527 chmod(script_file, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
Vojtech Bocek05534202013-09-11 08:11:56 +0200528 TWFunc::Exec_Cmd(script_file);
Dees_Troy2673cec2013-04-02 20:22:16 +0000529 gui_print("\nFinished running %s script.\n", display_name);
Dees_Troya58bead2012-09-27 09:49:29 -0400530 }
Dees_Troy3477d712012-09-27 15:44:01 -0400531}
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500532
533int TWFunc::removeDir(const string path, bool skipParent) {
Dees_Troyce675462013-01-09 19:48:21 +0000534 DIR *d = opendir(path.c_str());
535 int r = 0;
536 string new_path;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500537
Dees_Troyce675462013-01-09 19:48:21 +0000538 if (d == NULL) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000539 LOGERR("Error opening '%s'\n", path.c_str());
Dees_Troyce675462013-01-09 19:48:21 +0000540 return -1;
541 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500542
Dees_Troyce675462013-01-09 19:48:21 +0000543 if (d) {
544 struct dirent *p;
545 while (!r && (p = readdir(d))) {
Dees_Troyce675462013-01-09 19:48:21 +0000546 if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
547 continue;
548 new_path = path + "/";
549 new_path.append(p->d_name);
550 if (p->d_type == DT_DIR) {
551 r = removeDir(new_path, true);
552 if (!r) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500553 if (p->d_type == DT_DIR)
554 r = rmdir(new_path.c_str());
555 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000556 LOGINFO("Unable to removeDir '%s': %s\n", new_path.c_str(), strerror(errno));
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500557 }
bigbiff bigbiff98f1f902013-01-19 18:46:13 -0500558 } else if (p->d_type == DT_REG || p->d_type == DT_LNK || p->d_type == DT_FIFO || p->d_type == DT_SOCK) {
Dees_Troyce675462013-01-09 19:48:21 +0000559 r = unlink(new_path.c_str());
Dees_Troye34c1332013-02-06 19:13:00 +0000560 if (r != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000561 LOGINFO("Unable to unlink '%s: %s'\n", new_path.c_str(), strerror(errno));
Dees_Troye34c1332013-02-06 19:13:00 +0000562 }
Dees_Troyce675462013-01-09 19:48:21 +0000563 }
564 }
565 closedir(d);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500566
567 if (!r) {
568 if (skipParent)
569 return 0;
570 else
571 r = rmdir(path.c_str());
572 }
Dees_Troyce675462013-01-09 19:48:21 +0000573 }
574 return r;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500575}
576
577int TWFunc::copy_file(string src, string dst, int mode) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000578 LOGINFO("Copying file %s to %s\n", src.c_str(), dst.c_str());
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500579 ifstream srcfile(src.c_str(), ios::binary);
580 ofstream dstfile(dst.c_str(), ios::binary);
581 dstfile << srcfile.rdbuf();
582 srcfile.close();
583 dstfile.close();
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500584 if (chmod(dst.c_str(), mode) != 0)
585 return -1;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500586 return 0;
587}
Dees_Troy3ee47bc2013-01-25 21:47:37 +0000588
589unsigned int TWFunc::Get_D_Type_From_Stat(string Path) {
590 struct stat st;
591
592 stat(Path.c_str(), &st);
593 if (st.st_mode & S_IFDIR)
594 return DT_DIR;
595 else if (st.st_mode & S_IFBLK)
596 return DT_BLK;
597 else if (st.st_mode & S_IFCHR)
598 return DT_CHR;
599 else if (st.st_mode & S_IFIFO)
600 return DT_FIFO;
601 else if (st.st_mode & S_IFLNK)
602 return DT_LNK;
603 else if (st.st_mode & S_IFREG)
604 return DT_REG;
605 else if (st.st_mode & S_IFSOCK)
606 return DT_SOCK;
607 return DT_UNKNOWN;
Dees_Troye34c1332013-02-06 19:13:00 +0000608}
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500609
610int TWFunc::read_file(string fn, string& results) {
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200611 ifstream file;
612 file.open(fn.c_str(), ios::in);
613
614 if (file.is_open()) {
615 file >> results;
616 file.close();
617 return 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500618 }
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200619
620 LOGINFO("Cannot find file %s\n", fn.c_str());
621 return -1;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500622}
623
624int TWFunc::read_file(string fn, vector<string>& results) {
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500625 ifstream file;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500626 string line;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500627 file.open(fn.c_str(), ios::in);
628 if (file.is_open()) {
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500629 while (getline(file, line))
630 results.push_back(line);
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500631 file.close();
632 return 0;
633 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000634 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500635 return -1;
636}
637
638int TWFunc::write_file(string fn, string& line) {
639 FILE *file;
640 file = fopen(fn.c_str(), "w");
641 if (file != NULL) {
642 fwrite(line.c_str(), line.size(), 1, file);
643 fclose(file);
644 return 0;
645 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000646 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500647 return -1;
648}
649
650timespec TWFunc::timespec_diff(timespec& start, timespec& end)
651{
Dees_Troy6ef66352013-02-21 08:26:57 -0600652 timespec temp;
653 if ((end.tv_nsec-start.tv_nsec)<0) {
654 temp.tv_sec = end.tv_sec-start.tv_sec-1;
655 temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
656 } else {
657 temp.tv_sec = end.tv_sec-start.tv_sec;
658 temp.tv_nsec = end.tv_nsec-start.tv_nsec;
659 }
660 return temp;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500661}
662
Vojtech Boceke5ffcd12014-02-06 21:17:32 +0100663int32_t TWFunc::timespec_diff_ms(timespec& start, timespec& end)
664{
665 return ((end.tv_sec * 1000) + end.tv_nsec/1000000) -
666 ((start.tv_sec * 1000) + start.tv_nsec/1000000);
667}
668
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200669int TWFunc::drop_caches(void) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600670 string file = "/proc/sys/vm/drop_caches";
671 string value = "3";
672 if (write_file(file, value) != 0)
673 return -1;
674 return 0;
675}
676
677int TWFunc::Check_su_Perms(void) {
678 struct stat st;
679 int ret = 0;
680
681 if (!PartitionManager.Mount_By_Path("/system", false))
682 return 0;
683
684 // Check to ensure that perms are 6755 for all 3 file locations
685 if (stat("/system/bin/su", &st) == 0) {
686 if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
687 ret = 1;
688 }
689 }
690 if (stat("/system/xbin/su", &st) == 0) {
691 if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
692 ret += 2;
693 }
694 }
695 if (stat("/system/bin/.ext/.su", &st) == 0) {
696 if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
697 ret += 4;
698 }
699 }
700 return ret;
701}
702
703bool TWFunc::Fix_su_Perms(void) {
704 if (!PartitionManager.Mount_By_Path("/system", true))
705 return false;
706
Ethan Yonker0385f512014-02-06 14:33:02 -0600707 string propvalue = System_Property_Get("ro.build.version.sdk");
708 string su_perms = "6755";
709 if (!propvalue.empty()) {
710 int sdk_version = atoi(propvalue.c_str());
711 if (sdk_version >= 18)
712 su_perms = "0755";
713 }
714
Dees_Troy6ef66352013-02-21 08:26:57 -0600715 string file = "/system/bin/su";
716 if (TWFunc::Path_Exists(file)) {
717 if (chown(file.c_str(), 0, 0) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000718 LOGERR("Failed to chown '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600719 return false;
720 }
Ethan Yonker0385f512014-02-06 14:33:02 -0600721 if (tw_chmod(file, su_perms) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000722 LOGERR("Failed to chmod '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600723 return false;
724 }
725 }
726 file = "/system/xbin/su";
727 if (TWFunc::Path_Exists(file)) {
728 if (chown(file.c_str(), 0, 0) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000729 LOGERR("Failed to chown '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600730 return false;
731 }
Ethan Yonker0385f512014-02-06 14:33:02 -0600732 if (tw_chmod(file, su_perms) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000733 LOGERR("Failed to chmod '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600734 return false;
735 }
736 }
Dees_Troya7939bb2013-08-29 20:21:12 +0000737 file = "/system/xbin/daemonsu";
738 if (TWFunc::Path_Exists(file)) {
739 if (chown(file.c_str(), 0, 0) != 0) {
740 LOGERR("Failed to chown '%s'\n", file.c_str());
741 return false;
742 }
Ethan Yonker0385f512014-02-06 14:33:02 -0600743 if (tw_chmod(file, "0755") != 0) {
Dees_Troya7939bb2013-08-29 20:21:12 +0000744 LOGERR("Failed to chmod '%s'\n", file.c_str());
745 return false;
746 }
747 }
Dees_Troy6ef66352013-02-21 08:26:57 -0600748 file = "/system/bin/.ext/.su";
749 if (TWFunc::Path_Exists(file)) {
750 if (chown(file.c_str(), 0, 0) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000751 LOGERR("Failed to chown '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600752 return false;
753 }
Ethan Yonker0385f512014-02-06 14:33:02 -0600754 if (tw_chmod(file, su_perms) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000755 LOGERR("Failed to chmod '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600756 return false;
757 }
758 }
Dees_Troya7939bb2013-08-29 20:21:12 +0000759 file = "/system/etc/install-recovery.sh";
760 if (TWFunc::Path_Exists(file)) {
761 if (chown(file.c_str(), 0, 0) != 0) {
762 LOGERR("Failed to chown '%s'\n", file.c_str());
763 return false;
764 }
765 if (tw_chmod(file, "0755") != 0) {
766 LOGERR("Failed to chmod '%s'\n", file.c_str());
767 return false;
768 }
769 }
770 file = "/system/etc/init.d/99SuperSUDaemon";
771 if (TWFunc::Path_Exists(file)) {
772 if (chown(file.c_str(), 0, 0) != 0) {
773 LOGERR("Failed to chown '%s'\n", file.c_str());
774 return false;
775 }
776 if (tw_chmod(file, "0755") != 0) {
777 LOGERR("Failed to chmod '%s'\n", file.c_str());
778 return false;
779 }
780 }
Dees_Troy6ef66352013-02-21 08:26:57 -0600781 file = "/system/app/Superuser.apk";
782 if (TWFunc::Path_Exists(file)) {
783 if (chown(file.c_str(), 0, 0) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000784 LOGERR("Failed to chown '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600785 return false;
786 }
787 if (tw_chmod(file, "0644") != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000788 LOGERR("Failed to chmod '%s'\n", file.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600789 return false;
790 }
791 }
792 sync();
793 if (!PartitionManager.UnMount_By_Path("/system", true))
794 return false;
795 return true;
796}
797
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200798int TWFunc::tw_chmod(const string& fn, const string& mode) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600799 long mask = 0;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200800 std::string::size_type n = mode.length();
801 int cls = 0;
Dees_Troy6ef66352013-02-21 08:26:57 -0600802
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200803 if(n == 3)
804 ++cls;
805 else if(n != 4)
806 {
807 LOGERR("TWFunc::tw_chmod used with %u long mode string (should be 3 or 4)!\n", mode.length());
808 return -1;
809 }
810
811 for (n = 0; n < mode.length(); ++n, ++cls) {
812 if (cls == 0) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600813 if (mode[n] == '0')
814 continue;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200815 else if (mode[n] == '1')
Dees_Troy6ef66352013-02-21 08:26:57 -0600816 mask |= S_ISVTX;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200817 else if (mode[n] == '2')
Dees_Troy6ef66352013-02-21 08:26:57 -0600818 mask |= S_ISGID;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200819 else if (mode[n] == '4')
Dees_Troy6ef66352013-02-21 08:26:57 -0600820 mask |= S_ISUID;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200821 else if (mode[n] == '5') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600822 mask |= S_ISVTX;
823 mask |= S_ISUID;
824 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200825 else if (mode[n] == '6') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600826 mask |= S_ISGID;
827 mask |= S_ISUID;
828 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200829 else if (mode[n] == '7') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600830 mask |= S_ISVTX;
831 mask |= S_ISGID;
832 mask |= S_ISUID;
833 }
834 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200835 else if (cls == 1) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600836 if (mode[n] == '7') {
837 mask |= S_IRWXU;
838 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200839 else if (mode[n] == '6') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600840 mask |= S_IRUSR;
841 mask |= S_IWUSR;
842 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200843 else if (mode[n] == '5') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600844 mask |= S_IRUSR;
845 mask |= S_IXUSR;
846 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200847 else if (mode[n] == '4')
Dees_Troy6ef66352013-02-21 08:26:57 -0600848 mask |= S_IRUSR;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200849 else if (mode[n] == '3') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600850 mask |= S_IWUSR;
851 mask |= S_IRUSR;
852 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200853 else if (mode[n] == '2')
Dees_Troy6ef66352013-02-21 08:26:57 -0600854 mask |= S_IWUSR;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200855 else if (mode[n] == '1')
Dees_Troy6ef66352013-02-21 08:26:57 -0600856 mask |= S_IXUSR;
857 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200858 else if (cls == 2) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600859 if (mode[n] == '7') {
860 mask |= S_IRWXG;
861 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200862 else if (mode[n] == '6') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600863 mask |= S_IRGRP;
864 mask |= S_IWGRP;
865 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200866 else if (mode[n] == '5') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600867 mask |= S_IRGRP;
868 mask |= S_IXGRP;
869 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200870 else if (mode[n] == '4')
Dees_Troy6ef66352013-02-21 08:26:57 -0600871 mask |= S_IRGRP;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200872 else if (mode[n] == '3') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600873 mask |= S_IWGRP;
874 mask |= S_IXGRP;
875 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200876 else if (mode[n] == '2')
Dees_Troy6ef66352013-02-21 08:26:57 -0600877 mask |= S_IWGRP;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200878 else if (mode[n] == '1')
Dees_Troy6ef66352013-02-21 08:26:57 -0600879 mask |= S_IXGRP;
880 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200881 else if (cls == 3) {
Dees_Troy6ef66352013-02-21 08:26:57 -0600882 if (mode[n] == '7') {
883 mask |= S_IRWXO;
884 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200885 else if (mode[n] == '6') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600886 mask |= S_IROTH;
887 mask |= S_IWOTH;
888 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200889 else if (mode[n] == '5') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600890 mask |= S_IROTH;
891 mask |= S_IXOTH;
892 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200893 else if (mode[n] == '4')
894 mask |= S_IROTH;
895 else if (mode[n] == '3') {
Dees_Troy6ef66352013-02-21 08:26:57 -0600896 mask |= S_IWOTH;
897 mask |= S_IXOTH;
898 }
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200899 else if (mode[n] == '2')
Dees_Troy6ef66352013-02-21 08:26:57 -0600900 mask |= S_IWOTH;
Vojtech Bocek37aeb8d2013-08-29 22:38:20 +0200901 else if (mode[n] == '1')
Dees_Troy6ef66352013-02-21 08:26:57 -0600902 mask |= S_IXOTH;
903 }
904 }
905
906 if (chmod(fn.c_str(), mask) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000907 LOGERR("Unable to chmod '%s' %l\n", fn.c_str(), mask);
Dees_Troy6ef66352013-02-21 08:26:57 -0600908 return -1;
909 }
910
911 return 0;
912}
913
914bool TWFunc::Install_SuperSU(void) {
915 if (!PartitionManager.Mount_By_Path("/system", true))
916 return false;
917
Vojtech Bocek05534202013-09-11 08:11:56 +0200918 TWFunc::Exec_Cmd("/sbin/chattr -i /system/xbin/su");
jt1134113ee732013-02-22 23:26:10 -0600919 if (copy_file("/supersu/su", "/system/xbin/su", 0755) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000920 LOGERR("Failed to copy su binary to /system/bin\n");
Dees_Troy6ef66352013-02-21 08:26:57 -0600921 return false;
922 }
Dees_Troya7939bb2013-08-29 20:21:12 +0000923 if (!Path_Exists("/system/bin/.ext")) {
924 mkdir("/system/bin/.ext", 0777);
925 }
Vojtech Bocek05534202013-09-11 08:11:56 +0200926 TWFunc::Exec_Cmd("/sbin/chattr -i /system/bin/.ext/su");
Dees_Troya7939bb2013-08-29 20:21:12 +0000927 if (copy_file("/supersu/su", "/system/bin/.ext/su", 0755) != 0) {
928 LOGERR("Failed to copy su binary to /system/bin/.ext/su\n");
929 return false;
930 }
Vojtech Bocek05534202013-09-11 08:11:56 +0200931 TWFunc::Exec_Cmd("/sbin/chattr -i /system/xbin/daemonsu");
Dees_Troya7939bb2013-08-29 20:21:12 +0000932 if (copy_file("/supersu/su", "/system/xbin/daemonsu", 0755) != 0) {
933 LOGERR("Failed to copy su binary to /system/xbin/daemonsu\n");
934 return false;
935 }
936 if (Path_Exists("/system/etc/init.d")) {
Vojtech Bocek05534202013-09-11 08:11:56 +0200937 TWFunc::Exec_Cmd("/sbin/chattr -i /system/etc/init.d/99SuperSUDaemon");
Dees_Troya7939bb2013-08-29 20:21:12 +0000938 if (copy_file("/supersu/99SuperSUDaemon", "/system/etc/init.d/99SuperSUDaemon", 0755) != 0) {
939 LOGERR("Failed to copy 99SuperSUDaemon to /system/etc/init.d/99SuperSUDaemon\n");
940 return false;
941 }
942 } else {
Vojtech Bocek05534202013-09-11 08:11:56 +0200943 TWFunc::Exec_Cmd("/sbin/chattr -i /system/etc/install-recovery.sh");
Dees_Troya7939bb2013-08-29 20:21:12 +0000944 if (copy_file("/supersu/install-recovery.sh", "/system/etc/install-recovery.sh", 0755) != 0) {
945 LOGERR("Failed to copy install-recovery.sh to /system/etc/install-recovery.sh\n");
946 return false;
947 }
948 }
jt1134113ee732013-02-22 23:26:10 -0600949 if (copy_file("/supersu/Superuser.apk", "/system/app/Superuser.apk", 0644) != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000950 LOGERR("Failed to copy Superuser app to /system/app\n");
Dees_Troy6ef66352013-02-21 08:26:57 -0600951 return false;
952 }
953 if (!Fix_su_Perms())
954 return false;
955 return true;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500956}
Dees_Troy83bd4832013-05-04 12:39:56 +0000957
Dees_Troy83bd4832013-05-04 12:39:56 +0000958bool TWFunc::Try_Decrypting_Backup(string Restore_Path, string Password) {
959 DIR* d;
960
961 string Filename;
962 Restore_Path += "/";
963 d = opendir(Restore_Path.c_str());
964 if (d == NULL) {
965 LOGERR("Error opening '%s'\n", Restore_Path.c_str());
966 return false;
967 }
968
969 struct dirent* de;
970 while ((de = readdir(d)) != NULL) {
971 Filename = Restore_Path;
972 Filename += de->d_name;
973 if (TWFunc::Get_File_Type(Filename) == 2) {
974 if (TWFunc::Try_Decrypting_File(Filename, Password) < 2) {
975 DataManager::SetValue("tw_restore_password", ""); // Clear the bad password
976 DataManager::SetValue("tw_restore_display", ""); // Also clear the display mask
977 closedir(d);
978 return false;
979 }
980 }
981 }
982 closedir(d);
983 return true;
984}
985
Dees Troyb21cc642013-09-10 17:36:41 +0000986string TWFunc::Get_Current_Date() {
987 string Current_Date;
988 time_t seconds = time(0);
989 struct tm *t = localtime(&seconds);
990 char timestamp[255];
991 sprintf(timestamp,"%04d-%02d-%02d--%02d-%02d-%02d",t->tm_year+1900,t->tm_mon+1,t->tm_mday,t->tm_hour,t->tm_min,t->tm_sec);
992 Current_Date = timestamp;
993 return Current_Date;
994}
995
Ethan Yonkerb5557892014-02-07 21:43:20 -0600996string TWFunc::System_Property_Get(string Prop_Name) {
Dees Troyb21cc642013-09-10 17:36:41 +0000997 bool mount_state = PartitionManager.Is_Mounted_By_Path("/system");
998 std::vector<string> buildprop;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600999 string propvalue;
1000 if (!PartitionManager.Mount_By_Path("/system", true))
1001 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +00001002 if (TWFunc::read_file("/system/build.prop", buildprop) != 0) {
Ethan Yonkerb5557892014-02-07 21:43:20 -06001003 LOGINFO("Unable to open /system/build.prop for getting '%s'.\n", Prop_Name.c_str());
Vojtech Boceka2e70162013-09-17 17:05:10 +02001004 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
Dees Troyb21cc642013-09-10 17:36:41 +00001005 if (!mount_state)
1006 PartitionManager.UnMount_By_Path("/system", false);
Ethan Yonkerb5557892014-02-07 21:43:20 -06001007 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +00001008 }
1009 int line_count = buildprop.size();
1010 int index;
1011 size_t start_pos = 0, end_pos;
Ethan Yonkerb5557892014-02-07 21:43:20 -06001012 string propname;
Dees Troyb21cc642013-09-10 17:36:41 +00001013 for (index = 0; index < line_count; index++) {
1014 end_pos = buildprop.at(index).find("=", start_pos);
1015 propname = buildprop.at(index).substr(start_pos, end_pos);
Ethan Yonkerb5557892014-02-07 21:43:20 -06001016 if (propname == Prop_Name) {
Dees Troyb21cc642013-09-10 17:36:41 +00001017 propvalue = buildprop.at(index).substr(end_pos + 1, buildprop.at(index).size());
Ethan Yonkerb5557892014-02-07 21:43:20 -06001018 if (!mount_state)
1019 PartitionManager.UnMount_By_Path("/system", false);
1020 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +00001021 }
1022 }
Dees Troyb21cc642013-09-10 17:36:41 +00001023 if (!mount_state)
1024 PartitionManager.UnMount_By_Path("/system", false);
Ethan Yonkerb5557892014-02-07 21:43:20 -06001025 return propvalue;
1026}
1027
1028void TWFunc::Auto_Generate_Backup_Name() {
1029 string propvalue = System_Property_Get("ro.build.display.id");
1030 if (propvalue.empty()) {
1031 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
1032 return;
1033 }
1034 string Backup_Name = Get_Current_Date();
1035 Backup_Name += " " + propvalue;
1036 if (Backup_Name.size() > MAX_BACKUP_NAME_LEN)
1037 Backup_Name.resize(MAX_BACKUP_NAME_LEN);
1038 // Trailing spaces cause problems on some file systems, so remove them
1039 string space_check, space = " ";
1040 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
1041 while (space_check == space) {
1042 Backup_Name.resize(Backup_Name.size() - 1);
1043 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
1044 }
1045 DataManager::SetValue(TW_BACKUP_NAME, Backup_Name);
Ethan Yonker92d48e02014-02-26 12:05:55 -06001046 if (PartitionManager.Check_Backup_Name(false) != 0) {
1047 LOGINFO("Auto generated backup name '%s' contains invalid characters, using date instead.\n", Backup_Name.c_str());
1048 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
1049 }
Vojtech Bocek05534202013-09-11 08:11:56 +02001050}
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001051
1052void TWFunc::Fixup_Time_On_Boot()
1053{
1054#ifdef QCOM_RTC_FIX
1055 // Devices with Qualcomm Snapdragon 800 do some shenanigans with RTC.
1056 // They never set it, it just ticks forward from 1970-01-01 00:00,
1057 // and then they have files /data/system/time/ats_* with 64bit offset
1058 // in miliseconds which, when added to the RTC, gives the correct time.
1059 // So, the time is: (offset_from_ats + value_from_RTC)
1060 // There are multiple ats files, they are for different systems? Bases?
1061 // Like, ats_1 is for modem and ats_2 is for TOD (time of day?).
1062 // Look at file time_genoff.h in CodeAurora, qcom-opensource/time-services
1063
1064 static const char *paths[] = { "/data/system/time/", "/data/time/" };
1065
1066 DIR *d;
1067 FILE *f;
1068 uint64_t offset = 0;
1069 struct timeval tv;
1070 struct dirent *dt;
1071 std::string ats_path;
1072
1073
1074 // Don't fix the time of it already is over year 2000, it is likely already okay, either
1075 // because the RTC is fine or because the recovery already set it and then crashed
1076 gettimeofday(&tv, NULL);
1077 if(tv.tv_sec > 946684800) // timestamp of 2000-01-01 00:00:00
1078 {
1079 LOGINFO("TWFunc::Fixup_Time: not fixing time, it seems to be already okay (after year 2000).\n");
1080 return;
1081 }
1082
1083 if(!PartitionManager.Mount_By_Path("/data", false))
1084 return;
1085
1086 // Prefer ats_2, it seems to be the one we want according to logcat on hammerhead
1087 // - it is the one for ATS_TOD (time of day?).
1088 // However, I never saw a device where the offset differs between ats files.
1089 for(size_t i = 0; i < (sizeof(paths)/sizeof(paths[0])); ++i)
1090 {
1091 DIR *d = opendir(paths[i]);
1092 if(!d)
1093 continue;
1094
1095 while((dt = readdir(d)))
1096 {
1097 if(dt->d_type != DT_REG || strncmp(dt->d_name, "ats_", 4) != 0)
1098 continue;
1099
1100 if(ats_path.empty() || strcmp(dt->d_name, "ats_2") == 0)
1101 ats_path = std::string(paths[i]).append(dt->d_name);
1102 }
1103
1104 closedir(d);
1105 }
1106
1107 if(ats_path.empty())
1108 {
Dees Troy3e254b92014-03-06 20:24:54 +00001109 LOGINFO("TWFunc::Fixup_Time: no ats files found, leaving time as-is!\n");
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001110 return;
1111 }
1112
1113 f = fopen(ats_path.c_str(), "r");
1114 if(!f)
1115 {
Dees Troy3e254b92014-03-06 20:24:54 +00001116 LOGINFO("TWFunc::Fixup_Time: failed to open file %s\n", ats_path.c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001117 return;
1118 }
1119
1120 if(fread(&offset, sizeof(offset), 1, f) != 1)
1121 {
Dees Troy3e254b92014-03-06 20:24:54 +00001122 LOGINFO("TWFunc::Fixup_Time: failed load uint64 from file %s\n", ats_path.c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001123 fclose(f);
1124 return;
1125 }
1126 fclose(f);
1127
1128 LOGINFO("TWFunc::Fixup_Time: Setting time offset from file %s, offset %llu\n", ats_path.c_str(), offset);
1129
1130 gettimeofday(&tv, NULL);
1131
1132 tv.tv_sec += offset/1000;
1133 tv.tv_usec += (offset%1000)*1000;
1134
1135 while(tv.tv_usec >= 1000000)
1136 {
1137 ++tv.tv_sec;
1138 tv.tv_usec -= 1000000;
1139 }
1140
1141 settimeofday(&tv, NULL);
1142#endif
1143}
Ethan Yonkeraf2897c2014-02-10 13:07:14 -06001144
1145#endif // ndef BUILD_TWRPTAR_MAIN