blob: 7ee51397d242bbd3faa304ddc2a032f44c3d9279 [file] [log] [blame]
Dees Troy3be70a82013-10-22 14:25:12 +00001/*
bigbiffdf8436b2020-08-30 16:22:34 -04002 Copyright 2012-2020 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*/
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>
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -040038#include <cctype>
bigbiff74a6d0d2015-02-14 20:49:44 -050039#include <algorithm>
bigbiff bigbiff19874f12019-01-08 20:06:57 -050040#include <selinux/label.h>
Adithya Ra327aa72021-12-19 00:49:54 +053041#include <thread>
bigbiff22851b92021-09-01 16:46:57 -040042
43#include <android-base/strings.h>
Adithya Ra327aa72021-12-19 00:49:54 +053044#include <android-base/chrono_utils.h>
bigbiff22851b92021-09-01 16:46:57 -040045
Dees_Troy38bd7602012-09-14 13:33:53 -040046#include "twrp-functions.hpp"
Darth98f775972022-08-05 09:39:03 +010047#include "abx-functions.hpp"
Dees_Troy2673cec2013-04-02 20:22:16 +000048#include "twcommon.h"
Ethan Yonker472f5062016-02-25 13:47:30 -060049#include "gui/gui.hpp"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060050#ifndef BUILD_TWRPTAR_MAIN
Dees_Troyb46a6842012-09-25 11:06:46 -040051#include "data.hpp"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060052#include "partitions.hpp"
Dees_Troy3477d712012-09-27 15:44:01 -040053#include "variables.h"
bigbiffdf8436b2020-08-30 16:22:34 -040054#include "bootloader_message/include/bootloader_message/bootloader_message.h"
Tom Hite5a926722014-09-15 01:31:03 +000055#include "cutils/properties.h"
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -050056#include "cutils/android_reboot.h"
57#include <sys/reboot.h>
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060058#endif // ndef BUILD_TWRPTAR_MAIN
Dees_Troy83bd4832013-05-04 12:39:56 +000059#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
60 #include "openaes/inc/oaes_lib.h"
61#endif
Ethan Yonkerf1179622016-08-25 15:32:21 -050062#include "set_metadata.h"
Dees_Troy38bd7602012-09-14 13:33:53 -040063
Dees_Troyb05ddee2013-01-28 20:24:50 +000064extern "C" {
65 #include "libcrecovery/common.h"
66}
67
Chaosmaster461e39f2020-02-07 01:48:13 +010068#ifdef TW_INCLUDE_LIBRESETPROP
bigbiffa05d32c2021-12-25 15:43:34 -050069 #include <resetprop.hpp>
Chaosmaster461e39f2020-02-07 01:48:13 +010070#endif
71
bigbiff bigbiff19874f12019-01-08 20:06:57 -050072struct selabel_handle *selinux_handle;
73
bigbiff bigbiff9c754052013-01-09 09:09:08 -050074/* Execute a command */
bigbiffad58e1b2020-07-06 20:24:34 -040075int TWFunc::Exec_Cmd(const string& cmd, string &result, bool combine_stderr) {
Dees_Troy29a06352013-08-24 12:06:47 +000076 FILE* exec;
77 char buffer[130];
78 int ret = 0;
bigbiffad58e1b2020-07-06 20:24:34 -040079 std::string popen_cmd = cmd;
80 if (combine_stderr)
81 popen_cmd = cmd + " 2>&1";
82 exec = __popen(popen_cmd.c_str(), "r");
83
Matt Mowera8a89d12016-12-30 18:10:37 -060084 while (!feof(exec)) {
Dees_Troy29a06352013-08-24 12:06:47 +000085 if (fgets(buffer, 128, exec) != NULL) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -050086 result += buffer;
Dees_Troyb05ddee2013-01-28 20:24:50 +000087 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -050088 }
Dees_Troy29a06352013-08-24 12:06:47 +000089 ret = __pclose(exec);
90 return ret;
bigbiff bigbiff9c754052013-01-09 09:09:08 -050091}
92
Ethan Yonker7e941582019-03-22 08:18:21 -050093int TWFunc::Exec_Cmd(const string& cmd, bool Show_Errors) {
Vojtech Bocek05534202013-09-11 08:11:56 +020094 pid_t pid;
95 int status;
96 switch(pid = fork())
97 {
98 case -1:
bigbiff bigbiff731df792014-02-20 18:26:13 -050099 LOGERR("Exec_Cmd(): vfork failed: %d!\n", errno);
Vojtech Bocek05534202013-09-11 08:11:56 +0200100 return -1;
101 case 0: // child
bigbiffad58e1b2020-07-06 20:24:34 -0400102 execl("/system/bin/sh", "sh", "-c", cmd.c_str(), NULL);
Vojtech Bocek05534202013-09-11 08:11:56 +0200103 _exit(127);
104 break;
105 default:
106 {
Ethan Yonker7e941582019-03-22 08:18:21 -0500107 if (TWFunc::Wait_For_Child(pid, &status, cmd, Show_Errors) != 0)
Vojtech Bocek05534202013-09-11 08:11:56 +0200108 return -1;
109 else
110 return 0;
111 }
112 }
113}
114
Dees_Troy38bd7602012-09-14 13:33:53 -0400115// Returns "file.name" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600116string TWFunc::Get_Filename(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400117 size_t pos = Path.find_last_of("/");
118 if (pos != string::npos) {
119 string Filename;
120 Filename = Path.substr(pos + 1, Path.size() - pos - 1);
121 return Filename;
122 } else
123 return Path;
124}
125
126// Returns "/path/to/" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600127string TWFunc::Get_Path(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400128 size_t pos = Path.find_last_of("/");
129 if (pos != string::npos) {
130 string Pathonly;
131 Pathonly = Path.substr(0, pos + 1);
132 return Pathonly;
133 } else
134 return Path;
135}
136
Ethan Yonker7e941582019-03-22 08:18:21 -0500137int TWFunc::Wait_For_Child(pid_t pid, int *status, string Child_Name, bool Show_Errors) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600138 pid_t rc_pid;
139
140 rc_pid = waitpid(pid, status, 0);
141 if (rc_pid > 0) {
Vojtech Bocek0fdcbec2015-03-20 15:36:40 +0100142 if (WIFSIGNALED(*status)) {
Ethan Yonker7e941582019-03-22 08:18:21 -0500143 if (Show_Errors)
144 gui_msg(Msg(msg::kError, "pid_signal={1} process ended with signal: {2}")(Child_Name)(WTERMSIG(*status))); // Seg fault or some other non-graceful termination
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600145 return -1;
Vojtech Bocek0fdcbec2015-03-20 15:36:40 +0100146 } else if (WEXITSTATUS(*status) == 0) {
147 LOGINFO("%s process ended with RC=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Success
148 } else {
Ethan Yonker7e941582019-03-22 08:18:21 -0500149 if (Show_Errors)
150 gui_msg(Msg(msg::kError, "pid_error={1} process ended with ERROR: {2}")(Child_Name)(WEXITSTATUS(*status))); // Graceful exit, but there was an error
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600151 return -1;
152 }
153 } else { // no PID returned
154 if (errno == ECHILD)
that2252d242015-04-03 22:33:04 +0200155 LOGERR("%s no child process exist\n", Child_Name.c_str());
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600156 else {
that2252d242015-04-03 22:33:04 +0200157 LOGERR("%s Unexpected error %d\n", Child_Name.c_str(), errno);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600158 return -1;
159 }
160 }
161 return 0;
162}
163
Ethan Yonkerddb63e22017-01-19 14:01:57 -0600164int TWFunc::Wait_For_Child_Timeout(pid_t pid, int *status, const string& Child_Name, int timeout) {
165 pid_t retpid = waitpid(pid, status, WNOHANG);
166 for (; retpid == 0 && timeout; --timeout) {
167 sleep(1);
168 retpid = waitpid(pid, status, WNOHANG);
169 }
170 if (retpid == 0 && timeout == 0) {
171 LOGERR("%s took too long, killing process\n", Child_Name.c_str());
172 kill(pid, SIGKILL);
Ethan Yonkerddb63e22017-01-19 14:01:57 -0600173 for (timeout = 5; retpid == 0 && timeout; --timeout) {
174 sleep(1);
175 retpid = waitpid(pid, status, WNOHANG);
176 }
177 if (retpid)
178 LOGINFO("Child process killed successfully\n");
179 else
180 LOGINFO("Child process took too long to kill, may be a zombie process\n");
181 return -1;
182 } else if (retpid > 0) {
183 if (WIFSIGNALED(*status)) {
184 gui_msg(Msg(msg::kError, "pid_signal={1} process ended with signal: {2}")(Child_Name)(WTERMSIG(*status))); // Seg fault or some other non-graceful termination
185 return -1;
186 }
187 } else if (retpid < 0) { // no PID returned
188 if (errno == ECHILD)
189 LOGERR("%s no child process exist\n", Child_Name.c_str());
190 else {
191 LOGERR("%s Unexpected error %d\n", Child_Name.c_str(), errno);
192 return -1;
193 }
194 }
195 return 0;
196}
197
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600198bool TWFunc::Path_Exists(string Path) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600199 struct stat st;
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400200 return stat(Path.c_str(), &st) == 0;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600201}
202
bigbiffce8f83c2015-12-12 18:30:21 -0500203Archive_Type TWFunc::Get_File_Type(string fn) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600204 string::size_type i = 0;
205 int firstbyte = 0, secondbyte = 0;
206 char header[3];
207
208 ifstream f;
209 f.open(fn.c_str(), ios::in | ios::binary);
210 f.get(header, 3);
211 f.close();
212 firstbyte = header[i] & 0xff;
213 secondbyte = header[++i] & 0xff;
214
215 if (firstbyte == 0x1f && secondbyte == 0x8b)
bigbiffce8f83c2015-12-12 18:30:21 -0500216 return COMPRESSED;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600217 else if (firstbyte == 0x4f && secondbyte == 0x41)
bigbiffce8f83c2015-12-12 18:30:21 -0500218 return ENCRYPTED;
219 return UNCOMPRESSED; // default
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600220}
221
222int TWFunc::Try_Decrypting_File(string fn, string password) {
223#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
224 OAES_CTX * ctx = NULL;
225 uint8_t _key_data[32] = "";
226 FILE *f;
227 uint8_t buffer[4096];
228 uint8_t *buffer_out = NULL;
229 uint8_t *ptr = NULL;
230 size_t read_len = 0, out_len = 0;
Matt Mower23d8aae2017-01-06 14:30:33 -0600231 int firstbyte = 0, secondbyte = 0;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600232 size_t _j = 0;
233 size_t _key_data_len = 0;
234
235 // mostly kanged from OpenAES oaes.c
Matt Mowera8a89d12016-12-30 18:10:37 -0600236 for ( _j = 0; _j < 32; _j++ )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600237 _key_data[_j] = _j + 1;
238 _key_data_len = password.size();
Matt Mowera8a89d12016-12-30 18:10:37 -0600239 if ( 16 >= _key_data_len )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600240 _key_data_len = 16;
Matt Mowera8a89d12016-12-30 18:10:37 -0600241 else if ( 24 >= _key_data_len )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600242 _key_data_len = 24;
243 else
Matt Mowera8a89d12016-12-30 18:10:37 -0600244 _key_data_len = 32;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600245 memcpy(_key_data, password.c_str(), password.size());
246
247 ctx = oaes_alloc();
248 if (ctx == NULL) {
249 LOGERR("Failed to allocate OAES\n");
250 return -1;
251 }
252
253 oaes_key_import_data(ctx, _key_data, _key_data_len);
254
255 f = fopen(fn.c_str(), "rb");
256 if (f == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500257 LOGERR("Failed to open '%s' to try decrypt: %s\n", fn.c_str(), strerror(errno));
Matt Mower13a8f0b2015-09-26 15:40:03 -0500258 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600259 return -1;
260 }
261 read_len = fread(buffer, sizeof(uint8_t), 4096, f);
262 if (read_len <= 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500263 LOGERR("Read size during try decrypt failed: %s\n", strerror(errno));
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600264 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500265 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600266 return -1;
267 }
268 if (oaes_decrypt(ctx, buffer, read_len, NULL, &out_len) != OAES_RET_SUCCESS) {
269 LOGERR("Error: Failed to retrieve required buffer size for trying decryption.\n");
270 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500271 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600272 return -1;
273 }
274 buffer_out = (uint8_t *) calloc(out_len, sizeof(char));
275 if (buffer_out == NULL) {
276 LOGERR("Failed to allocate output buffer for try decrypt.\n");
277 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500278 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600279 return -1;
280 }
281 if (oaes_decrypt(ctx, buffer, read_len, buffer_out, &out_len) != OAES_RET_SUCCESS) {
282 LOGERR("Failed to decrypt file '%s'\n", fn.c_str());
283 fclose(f);
284 free(buffer_out);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500285 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600286 return 0;
287 }
288 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500289 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600290 if (out_len < 2) {
Ethan Yonkerd0514ba2015-10-22 14:17:47 -0500291 LOGINFO("Successfully decrypted '%s' but read length too small.\n", fn.c_str());
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600292 free(buffer_out);
293 return 1; // Decrypted successfully
294 }
295 ptr = buffer_out;
296 firstbyte = *ptr & 0xff;
297 ptr++;
298 secondbyte = *ptr & 0xff;
299 if (firstbyte == 0x1f && secondbyte == 0x8b) {
300 LOGINFO("Successfully decrypted '%s' and file is compressed.\n", fn.c_str());
301 free(buffer_out);
302 return 3; // Compressed
303 }
304 if (out_len >= 262) {
305 ptr = buffer_out + 257;
306 if (strncmp((char*)ptr, "ustar", 5) == 0) {
307 LOGINFO("Successfully decrypted '%s' and file is tar format.\n", fn.c_str());
308 free(buffer_out);
309 return 2; // Tar
310 }
311 }
312 free(buffer_out);
313 LOGINFO("No errors decrypting '%s' but no known file format.\n", fn.c_str());
314 return 1; // Decrypted successfully
315#else
316 LOGERR("Encrypted backup support not included.\n");
317 return -1;
318#endif
319}
320
Ethan Yonker472f5062016-02-25 13:47:30 -0600321unsigned long TWFunc::Get_File_Size(const string& Path) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600322 struct stat st;
323
324 if (stat(Path.c_str(), &st) != 0)
325 return 0;
326 return st.st_size;
327}
328
bigbiffee7b7ff2020-03-23 15:08:27 -0400329std::string TWFunc::Remove_Beginning_Slash(const std::string& path) {
330 std::string res;
331 size_t pos = path.find_first_of("/");
332 if (pos != std::string::npos) {
333 res = path.substr(pos+1);
334 }
335 return res;
336}
337
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100338std::string TWFunc::Remove_Trailing_Slashes(const std::string& path, bool leaveLast)
339{
340 std::string res;
341 size_t last_idx = 0, idx = 0;
342
Matt Mowera8a89d12016-12-30 18:10:37 -0600343 while (last_idx != std::string::npos)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100344 {
Matt Mowera8a89d12016-12-30 18:10:37 -0600345 if (last_idx != 0)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100346 res += '/';
347
348 idx = path.find_first_of('/', last_idx);
Matt Mowera8a89d12016-12-30 18:10:37 -0600349 if (idx == std::string::npos) {
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100350 res += path.substr(last_idx, idx);
351 break;
352 }
353
354 res += path.substr(last_idx, idx-last_idx);
355 last_idx = path.find_first_not_of('/', idx);
356 }
357
Matt Mowera8a89d12016-12-30 18:10:37 -0600358 if (leaveLast)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100359 res += '/';
360 return res;
361}
362
Matt Mower2416a502016-04-12 19:54:46 -0500363void TWFunc::Strip_Quotes(char* &str) {
364 if (strlen(str) > 0 && str[0] == '\"')
365 str++;
366 if (strlen(str) > 0 && str[strlen(str)-1] == '\"')
367 str[strlen(str)-1] = 0;
368}
369
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500370vector<string> TWFunc::split_string(const string &in, char del, bool skip_empty) {
371 vector<string> res;
372
373 if (in.empty() || del == '\0')
374 return res;
375
376 string field;
377 istringstream f(in);
378 if (del == '\n') {
Matt Mowera8a89d12016-12-30 18:10:37 -0600379 while (getline(f, field)) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500380 if (field.empty() && skip_empty)
381 continue;
Matt Mowera8a89d12016-12-30 18:10:37 -0600382 res.push_back(field);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500383 }
384 } else {
Matt Mowera8a89d12016-12-30 18:10:37 -0600385 while (getline(f, field, del)) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500386 if (field.empty() && skip_empty)
387 continue;
388 res.push_back(field);
389 }
390 }
391 return res;
392}
393
Ethan Yonker472f5062016-02-25 13:47:30 -0600394timespec TWFunc::timespec_diff(timespec& start, timespec& end)
395{
396 timespec temp;
397 if ((end.tv_nsec-start.tv_nsec)<0) {
398 temp.tv_sec = end.tv_sec-start.tv_sec-1;
399 temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
400 } else {
401 temp.tv_sec = end.tv_sec-start.tv_sec;
402 temp.tv_nsec = end.tv_nsec-start.tv_nsec;
403 }
404 return temp;
405}
406
407int32_t TWFunc::timespec_diff_ms(timespec& start, timespec& end)
408{
409 return ((end.tv_sec * 1000) + end.tv_nsec/1000000) -
410 ((start.tv_sec * 1000) + start.tv_nsec/1000000);
411}
412
Adithya Ra327aa72021-12-19 00:49:54 +0530413bool TWFunc::Wait_For_File(const string& path, std::chrono::nanoseconds timeout) {
414 android::base::Timer t;
415 while (t.duration() < timeout) {
416 struct stat sb;
417 if (stat(path.c_str(), &sb) != -1) {
418 return true;
419 }
420 std::this_thread::sleep_for(10ms);
421 }
422 return false;
423}
424
425bool TWFunc::Wait_For_Battery(std::chrono::nanoseconds timeout) {
426 std::string battery_path;
427#ifdef TW_CUSTOM_BATTERY_PATH
428 battery_path = EXPAND(TW_CUSTOM_BATTERY_PATH);
429#else
430 battery_path = "/sys/class/power_supply/battery";
431#endif
432 if (!battery_path.empty()) return TWFunc::Wait_For_File(battery_path, timeout);
433
434 return false;
435}
436
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600437#ifndef BUILD_TWRPTAR_MAIN
438
Dees_Troy38bd7602012-09-14 13:33:53 -0400439// Returns "/path" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600440string TWFunc::Get_Root_Path(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400441 string Local_Path = Path;
442
443 // Make sure that we have a leading slash
444 if (Local_Path.substr(0, 1) != "/")
445 Local_Path = "/" + Local_Path;
446
447 // Trim the path to get the root path only
448 size_t position = Local_Path.find("/", 2);
449 if (position != string::npos) {
450 Local_Path.resize(position);
451 }
452 return Local_Path;
453}
454
Dees_Troy43d8b002012-09-17 16:00:01 -0400455int TWFunc::Recursive_Mkdir(string Path) {
thatf1408b32016-01-03 11:09:15 +0100456 std::vector<std::string> parts = Split_String(Path, "/", true);
457 std::string cur_path;
458 for (size_t i = 0; i < parts.size(); ++i) {
459 cur_path += "/" + parts[i];
460 if (!TWFunc::Path_Exists(cur_path)) {
461 if (mkdir(cur_path.c_str(), 0777)) {
Matt Mower3c366972015-12-25 19:28:31 -0600462 gui_msg(Msg(msg::kError, "create_folder_strerr=Can not create '{1}' folder ({2}).")(cur_path)(strerror(errno)));
Ethan Yonker4b94cfd2014-12-11 10:00:45 -0600463 return false;
464 } else {
thatf1408b32016-01-03 11:09:15 +0100465 tw_set_default_metadata(cur_path.c_str());
Ethan Yonker4b94cfd2014-12-11 10:00:45 -0600466 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400467 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400468 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400469 return true;
470}
471
Dees_Troyb46a6842012-09-25 11:06:46 -0400472void TWFunc::GUI_Operation_Text(string Read_Value, string Default_Text) {
473 string Display_Text;
474
475 DataManager::GetValue(Read_Value, Display_Text);
476 if (Display_Text.empty())
477 Display_Text = Default_Text;
478
479 DataManager::SetValue("tw_operation", Display_Text);
480 DataManager::SetValue("tw_partition", "");
481}
482
483void TWFunc::GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text) {
484 string Display_Text;
485
486 DataManager::GetValue(Read_Value, Display_Text);
487 if (Display_Text.empty())
488 Display_Text = Default_Text;
489
490 DataManager::SetValue("tw_operation", Display_Text);
491 DataManager::SetValue("tw_partition", Partition_Name);
Dees_Troy7c2dec82012-09-26 09:49:14 -0400492}
493
Dees_Troy2673cec2013-04-02 20:22:16 +0000494void TWFunc::Copy_Log(string Source, string Destination) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400495 int logPipe[2];
496 int pigz_pid;
497 int destination_fd;
498 std::string destLogBuffer;
499
Dees Troy9d7fdf52013-09-19 20:49:25 +0000500 PartitionManager.Mount_By_Path(Destination, false);
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400501
502 size_t extPos = Destination.find(".gz");
503 std::string uncompressedLog(Destination);
504 uncompressedLog.replace(extPos, Destination.length(), "");
505
506 if (Path_Exists(Destination)) {
507 Archive_Type type = Get_File_Type(Destination);
508 if (type == COMPRESSED) {
509 std::string destFileBuffer;
510 std::string getCompressedContents = "pigz -c -d " + Destination;
bigbiffad58e1b2020-07-06 20:24:34 -0400511 if (Exec_Cmd(getCompressedContents, destFileBuffer, false) < 0) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400512 LOGINFO("Unable to get destination logfile contents.\n");
513 return;
514 }
515 destLogBuffer.append(destFileBuffer);
Dees_Troy6ef66352013-02-21 08:26:57 -0600516 }
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400517 } else if (Path_Exists(uncompressedLog)) {
bigbiffd3317052019-12-22 16:05:12 -0500518 std::ifstream uncompressedIfs(uncompressedLog.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400519 std::stringstream uncompressedSS;
520 uncompressedSS << uncompressedIfs.rdbuf();
521 uncompressedIfs.close();
522 std::string uncompressedLogBuffer(uncompressedSS.str());
523 destLogBuffer.append(uncompressedLogBuffer);
524 std::remove(uncompressedLog.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600525 }
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400526
bigbiffd3317052019-12-22 16:05:12 -0500527 std::ifstream ifs(Source.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400528 std::stringstream ss;
529 ss << ifs.rdbuf();
530 std::string srcLogBuffer(ss.str());
531 ifs.close();
532
533 if (pipe(logPipe) < 0) {
534 LOGINFO("Unable to open pipe to write to persistent log file: %s\n", Destination.c_str());
535 }
536
537 destination_fd = open(Destination.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0666);
538
539 pigz_pid = fork();
540 if (pigz_pid < 0) {
541 LOGINFO("fork() failed\n");
542 close(destination_fd);
543 close(logPipe[0]);
544 close(logPipe[1]);
545 } else if (pigz_pid == 0) {
546 close(logPipe[1]);
547 dup2(logPipe[0], fileno(stdin));
548 dup2(destination_fd, fileno(stdout));
549 if (execlp("pigz", "pigz", "-", NULL) < 0) {
550 close(destination_fd);
551 close(logPipe[0]);
552 _exit(-1);
553 }
554 } else {
555 close(logPipe[0]);
556 if (write(logPipe[1], destLogBuffer.c_str(), destLogBuffer.size()) < 0) {
557 LOGINFO("Unable to append to persistent log: %s\n", Destination.c_str());
558 close(logPipe[1]);
559 close(destination_fd);
560 return;
561 }
562 if (write(logPipe[1], srcLogBuffer.c_str(), srcLogBuffer.size()) < 0) {
563 LOGINFO("Unable to append to persistent log: %s\n", Destination.c_str());
564 close(logPipe[1]);
565 close(destination_fd);
566 return;
567 }
568 close(logPipe[1]);
569 }
570 close(destination_fd);
Dees_Troya58bead2012-09-27 09:49:29 -0400571}
572
Dees_Troy2673cec2013-04-02 20:22:16 +0000573void TWFunc::Update_Log_File(void) {
bigbiff25d25b92020-06-19 16:07:38 -0400574 std::string recoveryDir = get_log_dir() + "recovery/";
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500575
bigbiff25d25b92020-06-19 16:07:38 -0400576 if (get_log_dir() == CACHE_LOGS_DIR) {
577 if (!PartitionManager.Mount_By_Path(CACHE_LOGS_DIR, false)) {
578 LOGINFO("Failed to mount %s for TWFunc::Update_Log_File\n", CACHE_LOGS_DIR);
Dees Troy9d7fdf52013-09-19 20:49:25 +0000579 }
Dees Troy9d7fdf52013-09-19 20:49:25 +0000580 }
Dees_Troya58bead2012-09-27 09:49:29 -0400581
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500582 if (!TWFunc::Path_Exists(recoveryDir)) {
583 LOGINFO("Recreating %s folder.\n", recoveryDir.c_str());
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -0400584 if (!Create_Dir_Recursive(recoveryDir, S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP, 0, 0)) {
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500585 LOGINFO("Unable to create %s folder.\n", recoveryDir.c_str());
586 }
587 }
588
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400589 std::string logCopy = recoveryDir + "log.gz";
590 std::string lastLogCopy = recoveryDir + "last_log.gz";
Ethan Yonker5f3b8f02021-08-16 15:10:10 -0500591 copy_file(logCopy, lastLogCopy, 0600);
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500592 Copy_Log(TMP_LOG_FILE, logCopy);
593 chown(logCopy.c_str(), 1000, 1000);
594 chmod(logCopy.c_str(), 0600);
595 chmod(lastLogCopy.c_str(), 0640);
596
bigbiff25d25b92020-06-19 16:07:38 -0400597 if (get_log_dir() == CACHE_LOGS_DIR) {
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500598 if (PartitionManager.Mount_By_Path("/cache", false)) {
599 if (unlink("/cache/recovery/command") && errno != ENOENT) {
600 LOGINFO("Can't unlink %s\n", "/cache/recovery/command");
601 }
Dees Troy9d7fdf52013-09-19 20:49:25 +0000602 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500603 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000604 sync();
605}
606
bigbiffdf8436b2020-08-30 16:22:34 -0400607void TWFunc::Clear_Bootloader_Message() {
608 std::string err;
609 if (!clear_bootloader_message(&err)) {
Ian Macdonaldd4851822020-11-02 08:52:32 +0100610 LOGINFO("%s\n", err.c_str());
bigbiffdf8436b2020-08-30 16:22:34 -0400611 }
612}
613
Dees_Troy2673cec2013-04-02 20:22:16 +0000614void TWFunc::Update_Intent_File(string Intent) {
615 if (PartitionManager.Mount_By_Path("/cache", false) && !Intent.empty()) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600616 TWFunc::write_to_file("/cache/recovery/intent", Intent);
Dees_Troy2673cec2013-04-02 20:22:16 +0000617 }
Dees_Troya58bead2012-09-27 09:49:29 -0400618}
619
620// reboot: Reboot the system. Return -1 on error, no return on success
621int TWFunc::tw_reboot(RebootCommand command)
622{
Ethan Yonkerfe916112016-03-14 14:54:37 -0500623 DataManager::Flush();
bigbiff25d25b92020-06-19 16:07:38 -0400624 Update_Log_File();
625
Dees_Troya58bead2012-09-27 09:49:29 -0400626 // Always force a sync before we reboot
Dees_Troy6ef66352013-02-21 08:26:57 -0600627 sync();
Dees_Troya58bead2012-09-27 09:49:29 -0400628
Dees_Troy2673cec2013-04-02 20:22:16 +0000629 switch (command) {
630 case rb_current:
631 case rb_system:
Dees_Troy2673cec2013-04-02 20:22:16 +0000632 Update_Intent_File("s");
633 sync();
bigbiffad58e1b2020-07-06 20:24:34 -0400634 check_and_run_script("/system/bin/rebootsystem.sh", "reboot system");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500635#ifdef ANDROID_RB_PROPERTY
636 return property_set(ANDROID_RB_PROPERTY, "reboot,");
637#elif defined(ANDROID_RB_RESTART)
638 return android_reboot(ANDROID_RB_RESTART, 0, 0);
639#else
Dees_Troy2673cec2013-04-02 20:22:16 +0000640 return reboot(RB_AUTOBOOT);
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500641#endif
Dees_Troy2673cec2013-04-02 20:22:16 +0000642 case rb_recovery:
bigbiffad58e1b2020-07-06 20:24:34 -0400643 check_and_run_script("/system/bin/rebootrecovery.sh", "reboot recovery");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500644 return property_set(ANDROID_RB_PROPERTY, "reboot,recovery");
Dees_Troy2673cec2013-04-02 20:22:16 +0000645 case rb_bootloader:
bigbiffad58e1b2020-07-06 20:24:34 -0400646 check_and_run_script("/system/bin/rebootbootloader.sh", "reboot bootloader");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500647 return property_set(ANDROID_RB_PROPERTY, "reboot,bootloader");
Dees_Troy2673cec2013-04-02 20:22:16 +0000648 case rb_poweroff:
bigbiffad58e1b2020-07-06 20:24:34 -0400649 check_and_run_script("/system/bin/poweroff.sh", "power off");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500650#ifdef ANDROID_RB_PROPERTY
651 return property_set(ANDROID_RB_PROPERTY, "shutdown,");
652#elif defined(ANDROID_RB_POWEROFF)
653 return android_reboot(ANDROID_RB_POWEROFF, 0, 0);
654#else
Dees_Troy2673cec2013-04-02 20:22:16 +0000655 return reboot(RB_POWER_OFF);
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500656#endif
Dees_Troy2673cec2013-04-02 20:22:16 +0000657 case rb_download:
bigbiffad58e1b2020-07-06 20:24:34 -0400658 check_and_run_script("/system/bin/rebootdownload.sh", "reboot download");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500659 return property_set(ANDROID_RB_PROPERTY, "reboot,download");
mauronofrioe9a49ef2018-10-03 13:38:16 +0200660 case rb_edl:
bigbiffad58e1b2020-07-06 20:24:34 -0400661 check_and_run_script("/system/bin/rebootedl.sh", "reboot edl");
mauronofrioe9a49ef2018-10-03 13:38:16 +0200662 return property_set(ANDROID_RB_PROPERTY, "reboot,edl");
bigbiffdf8436b2020-08-30 16:22:34 -0400663 case rb_fastboot:
664 return property_set(ANDROID_RB_PROPERTY, "reboot,fastboot");
Dees_Troy2673cec2013-04-02 20:22:16 +0000665 default:
666 return -1;
Dees_Troy6ef66352013-02-21 08:26:57 -0600667 }
668 return -1;
Dees_Troya58bead2012-09-27 09:49:29 -0400669}
670
671void TWFunc::check_and_run_script(const char* script_file, const char* display_name)
672{
673 // Check for and run startup script if script exists
674 struct stat st;
675 if (stat(script_file, &st) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500676 gui_msg(Msg("run_script=Running {1} script...")(display_name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500677 chmod(script_file, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
Vojtech Bocek05534202013-09-11 08:11:56 +0200678 TWFunc::Exec_Cmd(script_file);
Ethan Yonker74db1572015-10-28 12:44:49 -0500679 gui_msg("done=Done.");
Dees_Troya58bead2012-09-27 09:49:29 -0400680 }
Dees_Troy3477d712012-09-27 15:44:01 -0400681}
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500682
683int TWFunc::removeDir(const string path, bool skipParent) {
Dees_Troyce675462013-01-09 19:48:21 +0000684 DIR *d = opendir(path.c_str());
685 int r = 0;
686 string new_path;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500687
Dees_Troyce675462013-01-09 19:48:21 +0000688 if (d == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500689 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(path)(strerror(errno)));
Dees_Troyce675462013-01-09 19:48:21 +0000690 return -1;
691 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500692
Dees_Troyce675462013-01-09 19:48:21 +0000693 if (d) {
694 struct dirent *p;
695 while (!r && (p = readdir(d))) {
Dees_Troyce675462013-01-09 19:48:21 +0000696 if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
697 continue;
698 new_path = path + "/";
699 new_path.append(p->d_name);
700 if (p->d_type == DT_DIR) {
701 r = removeDir(new_path, true);
702 if (!r) {
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500703 if (p->d_type == DT_DIR)
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500704 r = rmdir(new_path.c_str());
705 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000706 LOGINFO("Unable to removeDir '%s': %s\n", new_path.c_str(), strerror(errno));
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500707 }
bigbiff bigbiff98f1f902013-01-19 18:46:13 -0500708 } 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 +0000709 r = unlink(new_path.c_str());
Dees_Troye34c1332013-02-06 19:13:00 +0000710 if (r != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000711 LOGINFO("Unable to unlink '%s: %s'\n", new_path.c_str(), strerror(errno));
Dees_Troye34c1332013-02-06 19:13:00 +0000712 }
Dees_Troyce675462013-01-09 19:48:21 +0000713 }
714 }
715 closedir(d);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500716
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500717 if (!r) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500718 if (skipParent)
719 return 0;
720 else
721 r = rmdir(path.c_str());
722 }
Dees_Troyce675462013-01-09 19:48:21 +0000723 }
724 return r;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500725}
726
bigbiff22851b92021-09-01 16:46:57 -0400727int TWFunc::copy_file(string src, string dst, int mode, bool mount_paths) {
728 if (mount_paths) {
729 PartitionManager.Mount_By_Path(src, false);
730 PartitionManager.Mount_By_Path(dst, false);
731 }
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400732 if (!Path_Exists(src)) {
bigbiff22851b92021-09-01 16:46:57 -0400733 LOGINFO("Path %s does not exist. Unable to copy file to %s\n", src.c_str(), dst.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400734 return -1;
735 }
bigbiffd3317052019-12-22 16:05:12 -0500736 std::ifstream srcfile(src.c_str(), ios::binary);
737 std::ofstream dstfile(dst.c_str(), ios::binary);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500738 dstfile << srcfile.rdbuf();
bigbiff850fa282021-10-09 12:37:29 -0400739 if (dstfile.bad()) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400740 LOGINFO("Unable to copy file %s to %s\n", src.c_str(), dst.c_str());
741 return -1;
742 }
743
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500744 srcfile.close();
745 dstfile.close();
bigbiff22851b92021-09-01 16:46:57 -0400746 if (chmod(dst.c_str(), mode) != 0) {
747 LOGERR("Unable to chmod file: %s. Error: %s\n", dst.c_str(), strerror(errno));
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500748 return -1;
bigbiff22851b92021-09-01 16:46:57 -0400749 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500750 return 0;
751}
Dees_Troy3ee47bc2013-01-25 21:47:37 +0000752
753unsigned int TWFunc::Get_D_Type_From_Stat(string Path) {
754 struct stat st;
755
756 stat(Path.c_str(), &st);
757 if (st.st_mode & S_IFDIR)
758 return DT_DIR;
759 else if (st.st_mode & S_IFBLK)
760 return DT_BLK;
761 else if (st.st_mode & S_IFCHR)
762 return DT_CHR;
763 else if (st.st_mode & S_IFIFO)
764 return DT_FIFO;
765 else if (st.st_mode & S_IFLNK)
766 return DT_LNK;
767 else if (st.st_mode & S_IFREG)
768 return DT_REG;
769 else if (st.st_mode & S_IFSOCK)
770 return DT_SOCK;
771 return DT_UNKNOWN;
Dees_Troye34c1332013-02-06 19:13:00 +0000772}
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500773
774int TWFunc::read_file(string fn, string& results) {
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200775 ifstream file;
776 file.open(fn.c_str(), ios::in);
777
778 if (file.is_open()) {
bigbiff22851b92021-09-01 16:46:57 -0400779 std::string line;
780 while (std::getline(file, line)) {
781 results += line;
782 }
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200783 file.close();
784 return 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500785 }
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200786
787 LOGINFO("Cannot find file %s\n", fn.c_str());
788 return -1;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500789}
790
791int TWFunc::read_file(string fn, vector<string>& results) {
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500792 ifstream file;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500793 string line;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500794 file.open(fn.c_str(), ios::in);
795 if (file.is_open()) {
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500796 while (getline(file, line))
797 results.push_back(line);
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500798 file.close();
799 return 0;
800 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000801 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500802 return -1;
803}
804
xNUTxe85f02d2014-07-18 01:30:58 +0200805int TWFunc::read_file(string fn, uint64_t& results) {
806 ifstream file;
807 file.open(fn.c_str(), ios::in);
808
809 if (file.is_open()) {
810 file >> results;
811 file.close();
812 return 0;
813 }
814
815 LOGINFO("Cannot find file %s\n", fn.c_str());
816 return -1;
817}
818
bigbiff22851b92021-09-01 16:46:57 -0400819bool TWFunc::write_to_file(const string& fn, const string& line) {
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500820 FILE *file;
821 file = fopen(fn.c_str(), "w");
822 if (file != NULL) {
823 fwrite(line.c_str(), line.size(), 1, file);
824 fclose(file);
bigbiff22851b92021-09-01 16:46:57 -0400825 return true;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500826 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000827 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff22851b92021-09-01 16:46:57 -0400828 return false;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500829}
830
bigbiff22851b92021-09-01 16:46:57 -0400831bool TWFunc::write_to_file(const string& fn, const std::vector<string> lines) {
832 FILE *file;
833 file = fopen(fn.c_str(), "a+");
834 if (file != NULL) {
835 for (auto&& line: lines) {
836 fwrite(line.c_str(), line.size(), 1, file);
837 fwrite("\n", sizeof(char), 1, file);
838 }
839 fclose(file);
840 return true;
841 }
842 return false;
843}
844
845
Dees_Troy83bd4832013-05-04 12:39:56 +0000846bool TWFunc::Try_Decrypting_Backup(string Restore_Path, string Password) {
847 DIR* d;
848
849 string Filename;
850 Restore_Path += "/";
851 d = opendir(Restore_Path.c_str());
852 if (d == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500853 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Restore_Path)(strerror(errno)));
Dees_Troy83bd4832013-05-04 12:39:56 +0000854 return false;
855 }
856
857 struct dirent* de;
858 while ((de = readdir(d)) != NULL) {
859 Filename = Restore_Path;
860 Filename += de->d_name;
bigbiffce8f83c2015-12-12 18:30:21 -0500861 if (TWFunc::Get_File_Type(Filename) == ENCRYPTED) {
Dees_Troy83bd4832013-05-04 12:39:56 +0000862 if (TWFunc::Try_Decrypting_File(Filename, Password) < 2) {
863 DataManager::SetValue("tw_restore_password", ""); // Clear the bad password
864 DataManager::SetValue("tw_restore_display", ""); // Also clear the display mask
865 closedir(d);
866 return false;
867 }
868 }
869 }
870 closedir(d);
871 return true;
872}
873
Dees Troyb21cc642013-09-10 17:36:41 +0000874string TWFunc::Get_Current_Date() {
875 string Current_Date;
876 time_t seconds = time(0);
877 struct tm *t = localtime(&seconds);
878 char timestamp[255];
879 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);
880 Current_Date = timestamp;
881 return Current_Date;
882}
883
Ethan Yonkerb5557892014-02-07 21:43:20 -0600884string TWFunc::System_Property_Get(string Prop_Name) {
Captain Throwback1483a8e2022-01-03 09:52:06 -0500885 return Partition_Property_Get(Prop_Name, PartitionManager, PartitionManager.Get_Android_Root_Path(), "build.prop");
Chaosmaster65633a42020-02-05 15:24:09 +0100886}
887
Captain Throwback1483a8e2022-01-03 09:52:06 -0500888string TWFunc::Partition_Property_Get(string Prop_Name, TWPartitionManager &PartitionManager, string Mount_Point, string prop_file_name) {
Chaosmaster65633a42020-02-05 15:24:09 +0100889 bool mount_state = PartitionManager.Is_Mounted_By_Path(Mount_Point);
Dees Troyb21cc642013-09-10 17:36:41 +0000890 std::vector<string> buildprop;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600891 string propvalue;
Captain Throwback1483a8e2022-01-03 09:52:06 -0500892 string prop_file;
Chaosmaster65633a42020-02-05 15:24:09 +0100893 if (!PartitionManager.Mount_By_Path(Mount_Point, true))
Ethan Yonkerb5557892014-02-07 21:43:20 -0600894 return propvalue;
Captain Throwback1483a8e2022-01-03 09:52:06 -0500895 if (Mount_Point == PartitionManager.Get_Android_Root_Path()) {
896 prop_file = Mount_Point + "/system/" + prop_file_name;
897 } else {
898 prop_file = Mount_Point + "/" + prop_file_name;
899 }
Captain Throwback2b9ea722021-12-31 21:35:52 -0500900 if (!TWFunc::Path_Exists(prop_file)) {
901 LOGINFO("Unable to locate file: %s\n", prop_file.c_str());
902 return propvalue;
903 }
Ethan Yonkerb4bff5e2016-12-16 07:47:58 -0600904 if (TWFunc::read_file(prop_file, buildprop) != 0) {
Captain Throwback2b9ea722021-12-31 21:35:52 -0500905 LOGINFO("Unable to open %s for getting '%s'.\n", prop_file_name.c_str(), Prop_Name.c_str());
Vojtech Boceka2e70162013-09-17 17:05:10 +0200906 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
Dees Troyb21cc642013-09-10 17:36:41 +0000907 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100908 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600909 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +0000910 }
911 int line_count = buildprop.size();
912 int index;
913 size_t start_pos = 0, end_pos;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600914 string propname;
Dees Troyb21cc642013-09-10 17:36:41 +0000915 for (index = 0; index < line_count; index++) {
916 end_pos = buildprop.at(index).find("=", start_pos);
917 propname = buildprop.at(index).substr(start_pos, end_pos);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600918 if (propname == Prop_Name) {
Dees Troyb21cc642013-09-10 17:36:41 +0000919 propvalue = buildprop.at(index).substr(end_pos + 1, buildprop.at(index).size());
Ethan Yonkerb5557892014-02-07 21:43:20 -0600920 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100921 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600922 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +0000923 }
924 }
Dees Troyb21cc642013-09-10 17:36:41 +0000925 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100926 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600927 return propvalue;
928}
929
930void TWFunc::Auto_Generate_Backup_Name() {
931 string propvalue = System_Property_Get("ro.build.display.id");
932 if (propvalue.empty()) {
933 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
934 return;
935 }
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -0400936 else {
937 //remove periods from build display so it doesn't confuse the extension code
938 propvalue.erase(remove(propvalue.begin(), propvalue.end(), '.'), propvalue.end());
939 }
Ethan Yonkerb5557892014-02-07 21:43:20 -0600940 string Backup_Name = Get_Current_Date();
bigbiff74a6d0d2015-02-14 20:49:44 -0500941 Backup_Name += "_" + propvalue;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600942 if (Backup_Name.size() > MAX_BACKUP_NAME_LEN)
943 Backup_Name.resize(MAX_BACKUP_NAME_LEN);
944 // Trailing spaces cause problems on some file systems, so remove them
945 string space_check, space = " ";
946 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
947 while (space_check == space) {
948 Backup_Name.resize(Backup_Name.size() - 1);
949 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
950 }
bigbiff74a6d0d2015-02-14 20:49:44 -0500951 replace(Backup_Name.begin(), Backup_Name.end(), ' ', '_');
Ethan Yonker53796e72019-01-11 22:49:52 -0600952 if (PartitionManager.Check_Backup_Name(Backup_Name, false, true) != 0) {
953 LOGINFO("Auto generated backup name '%s' is not valid, using date instead.\n", Backup_Name.c_str());
Ethan Yonker92d48e02014-02-26 12:05:55 -0600954 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
Ethan Yonker53796e72019-01-11 22:49:52 -0600955 } else {
956 DataManager::SetValue(TW_BACKUP_NAME, Backup_Name);
Ethan Yonker92d48e02014-02-26 12:05:55 -0600957 }
Vojtech Bocek05534202013-09-11 08:11:56 +0200958}
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100959
nkk7198fc3992017-12-16 16:26:42 +0200960void TWFunc::Fixup_Time_On_Boot(const string& time_paths /* = "" */)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100961{
962#ifdef QCOM_RTC_FIX
nkk7198fc3992017-12-16 16:26:42 +0200963 static bool fixed = false;
964 if (fixed)
965 return;
xNUTxe85f02d2014-07-18 01:30:58 +0200966
967 LOGINFO("TWFunc::Fixup_Time: Pre-fix date and time: %s\n", TWFunc::Get_Current_Date().c_str());
968
969 struct timeval tv;
970 uint64_t offset = 0;
971 std::string sepoch = "/sys/class/rtc/rtc0/since_epoch";
972
973 if (TWFunc::read_file(sepoch, offset) == 0) {
974
975 LOGINFO("TWFunc::Fixup_Time: Setting time offset from file %s\n", sepoch.c_str());
976
977 tv.tv_sec = offset;
978 tv.tv_usec = 0;
979 settimeofday(&tv, NULL);
980
981 gettimeofday(&tv, NULL);
982
Phoenix59146b05f22018-02-03 06:41:08 +0000983 if (tv.tv_sec > 1517600000) { // Anything older then 2 Feb 2018 19:33:20 GMT will do nicely thank you ;)
xNUTxe85f02d2014-07-18 01:30:58 +0200984
985 LOGINFO("TWFunc::Fixup_Time: Date and time corrected: %s\n", TWFunc::Get_Current_Date().c_str());
nkk7198fc3992017-12-16 16:26:42 +0200986 fixed = true;
xNUTxe85f02d2014-07-18 01:30:58 +0200987 return;
988
989 }
990
991 } else {
992
993 LOGINFO("TWFunc::Fixup_Time: opening %s failed\n", sepoch.c_str());
994
995 }
996
Ethan Yonker9132d912015-02-02 10:32:49 -0600997 LOGINFO("TWFunc::Fixup_Time: will attempt to use the ats files now.\n");
xNUTxe85f02d2014-07-18 01:30:58 +0200998
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100999 // Devices with Qualcomm Snapdragon 800 do some shenanigans with RTC.
1000 // They never set it, it just ticks forward from 1970-01-01 00:00,
1001 // and then they have files /data/system/time/ats_* with 64bit offset
1002 // in miliseconds which, when added to the RTC, gives the correct time.
1003 // So, the time is: (offset_from_ats + value_from_RTC)
1004 // There are multiple ats files, they are for different systems? Bases?
1005 // Like, ats_1 is for modem and ats_2 is for TOD (time of day?).
1006 // Look at file time_genoff.h in CodeAurora, qcom-opensource/time-services
1007
nkk7198fc3992017-12-16 16:26:42 +02001008 std::vector<std::string> paths; // space separated list of paths
1009 if (time_paths.empty()) {
Mauronofrio Matarrese2dab70d2019-03-05 02:22:26 +01001010 paths = Split_String("/data/system/time/ /data/time/ /data/vendor/time/", " ");
nkk7198fc3992017-12-16 16:26:42 +02001011 if (!PartitionManager.Mount_By_Path("/data", false))
1012 return;
1013 } else {
1014 // When specific path(s) are used, Fixup_Time needs those
1015 // partitions to already be mounted!
1016 paths = Split_String(time_paths, " ");
1017 }
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001018
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001019 FILE *f;
xNUTxe85f02d2014-07-18 01:30:58 +02001020 offset = 0;
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001021 struct dirent *dt;
1022 std::string ats_path;
1023
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001024 // Prefer ats_2, it seems to be the one we want according to logcat on hammerhead
1025 // - it is the one for ATS_TOD (time of day?).
1026 // However, I never saw a device where the offset differs between ats files.
nkk7198fc3992017-12-16 16:26:42 +02001027 for (size_t i = 0; i < paths.size(); ++i)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001028 {
nkk7198fc3992017-12-16 16:26:42 +02001029 DIR *d = opendir(paths[i].c_str());
Matt Mowera8a89d12016-12-30 18:10:37 -06001030 if (!d)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001031 continue;
1032
Matt Mowera8a89d12016-12-30 18:10:37 -06001033 while ((dt = readdir(d)))
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001034 {
Matt Mowera8a89d12016-12-30 18:10:37 -06001035 if (dt->d_type != DT_REG || strncmp(dt->d_name, "ats_", 4) != 0)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001036 continue;
1037
Matt Mowera8a89d12016-12-30 18:10:37 -06001038 if (ats_path.empty() || strcmp(dt->d_name, "ats_2") == 0)
nkk7198fc3992017-12-16 16:26:42 +02001039 ats_path = paths[i] + dt->d_name;
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001040 }
1041
1042 closedir(d);
1043 }
1044
nkk7198fc3992017-12-16 16:26:42 +02001045 if (ats_path.empty()) {
xNUTxe85f02d2014-07-18 01:30:58 +02001046 LOGINFO("TWFunc::Fixup_Time: no ats files found, leaving untouched!\n");
nkk7198fc3992017-12-16 16:26:42 +02001047 } else if ((f = fopen(ats_path.c_str(), "r")) == NULL) {
Dees Troy3e254b92014-03-06 20:24:54 +00001048 LOGINFO("TWFunc::Fixup_Time: failed to open file %s\n", ats_path.c_str());
nkk7198fc3992017-12-16 16:26:42 +02001049 } else if (fread(&offset, sizeof(offset), 1, f) != 1) {
Dees Troy3e254b92014-03-06 20:24:54 +00001050 LOGINFO("TWFunc::Fixup_Time: failed load uint64 from file %s\n", ats_path.c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001051 fclose(f);
nkk7198fc3992017-12-16 16:26:42 +02001052 } else {
1053 fclose(f);
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001054
nkk7198fc3992017-12-16 16:26:42 +02001055 LOGINFO("TWFunc::Fixup_Time: Setting time offset from file %s, offset %llu\n", ats_path.c_str(), (unsigned long long) offset);
1056 DataManager::SetValue("tw_qcom_ats_offset", (unsigned long long) offset, 1);
1057 fixed = true;
1058 }
1059
1060 if (!fixed) {
Captain Throwbackf74fc052022-01-19 13:25:54 -05001061#ifdef TW_QCOM_ATS_OFFSET
1062 // Offset is the difference between the current time and the time since_epoch
1063 // To calculate the offset in Android, the following expression (from a root shell) can be used:
1064 // echo "$(( ($(date +%s) - $(cat /sys/class/rtc/rtc0/since_epoch)) ))"
1065 // Add 3 zeros to the output and use that in the TW_QCOM_ATS_OFFSET flag in your BoardConfig.mk
1066 // For example, if the result of the calculation is 1642433544, use 1642433544000 as the offset
1067 offset = (uint64_t) TW_QCOM_ATS_OFFSET;
1068 DataManager::SetValue("tw_qcom_ats_offset", (unsigned long long) offset, 1);
1069 LOGINFO("TWFunc::Fixup_Time: Setting time offset from TW_QCOM_ATS_OFFSET, offset %llu\n", (unsigned long long) offset);
1070#else
nkk7198fc3992017-12-16 16:26:42 +02001071 // Failed to get offset from ats file, check twrp settings
1072 unsigned long long value;
1073 if (DataManager::GetValue("tw_qcom_ats_offset", value) < 0) {
1074 return;
1075 } else {
1076 offset = (uint64_t) value;
1077 LOGINFO("TWFunc::Fixup_Time: Setting time offset from twrp setting file, offset %llu\n", (unsigned long long) offset);
1078 // Do not consider the settings file as a definitive answer, keep fixed=false so next run will try ats files again
1079 }
Captain Throwbackf74fc052022-01-19 13:25:54 -05001080#endif
nkk7198fc3992017-12-16 16:26:42 +02001081 }
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001082
1083 gettimeofday(&tv, NULL);
1084
1085 tv.tv_sec += offset/1000;
Phoenix591e444d112018-02-03 07:23:54 +00001086#ifdef TW_CLOCK_OFFSET
1087// Some devices are even quirkier and have ats files that are offset from the actual time
1088 tv.tv_sec = tv.tv_sec + TW_CLOCK_OFFSET;
1089#endif
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001090 tv.tv_usec += (offset%1000)*1000;
1091
Matt Mowera8a89d12016-12-30 18:10:37 -06001092 while (tv.tv_usec >= 1000000)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001093 {
1094 ++tv.tv_sec;
1095 tv.tv_usec -= 1000000;
1096 }
1097
1098 settimeofday(&tv, NULL);
xNUTxe85f02d2014-07-18 01:30:58 +02001099
1100 LOGINFO("TWFunc::Fixup_Time: Date and time corrected: %s\n", TWFunc::Get_Current_Date().c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001101#endif
1102}
Ethan Yonkeraf2897c2014-02-10 13:07:14 -06001103
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001104std::vector<std::string> TWFunc::Split_String(const std::string& str, const std::string& delimiter, bool removeEmpty)
1105{
1106 std::vector<std::string> res;
1107 size_t idx = 0, idx_last = 0;
1108
Matt Mowera8a89d12016-12-30 18:10:37 -06001109 while (idx < str.size())
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001110 {
1111 idx = str.find_first_of(delimiter, idx_last);
Matt Mowera8a89d12016-12-30 18:10:37 -06001112 if (idx == std::string::npos)
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001113 idx = str.size();
1114
Matt Mowera8a89d12016-12-30 18:10:37 -06001115 if (idx-idx_last != 0 || !removeEmpty)
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001116 res.push_back(str.substr(idx_last, idx-idx_last));
1117
1118 idx_last = idx + delimiter.size();
1119 }
1120
1121 return res;
1122}
1123
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001124bool TWFunc::Create_Dir_Recursive(const std::string& path, mode_t mode, uid_t uid, gid_t gid)
1125{
1126 std::vector<std::string> parts = Split_String(path, "/");
1127 std::string cur_path;
1128 struct stat info;
Matt Mowera8a89d12016-12-30 18:10:37 -06001129 for (size_t i = 0; i < parts.size(); ++i)
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001130 {
1131 cur_path += "/" + parts[i];
Matt Mowera8a89d12016-12-30 18:10:37 -06001132 if (stat(cur_path.c_str(), &info) < 0 || !S_ISDIR(info.st_mode))
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001133 {
Matt Mowera8a89d12016-12-30 18:10:37 -06001134 if (mkdir(cur_path.c_str(), mode) < 0)
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001135 return false;
1136 chown(cur_path.c_str(), uid, gid);
1137 }
1138 }
1139 return true;
1140}
1141
xNUTxe85f02d2014-07-18 01:30:58 +02001142int TWFunc::Set_Brightness(std::string brightness_value)
1143{
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001144 int result = -1;
1145 std::string secondary_brightness_file;
xNUTxe85f02d2014-07-18 01:30:58 +02001146
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001147 if (DataManager::GetIntValue("tw_has_brightnesss_file")) {
xNUTxe85f02d2014-07-18 01:30:58 +02001148 LOGINFO("TWFunc::Set_Brightness: Setting brightness control to %s\n", brightness_value.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001149 result = TWFunc::write_to_file(DataManager::GetStrValue("tw_brightness_file"), brightness_value);
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001150 DataManager::GetValue("tw_secondary_brightness_file", secondary_brightness_file);
1151 if (!secondary_brightness_file.empty()) {
1152 LOGINFO("TWFunc::Set_Brightness: Setting secondary brightness control to %s\n", brightness_value.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001153 TWFunc::write_to_file(secondary_brightness_file, brightness_value);
xNUTxe85f02d2014-07-18 01:30:58 +02001154 }
xNUTxe85f02d2014-07-18 01:30:58 +02001155 }
bigbiff22851b92021-09-01 16:46:57 -04001156 return result ? 0 : -1;
xNUTxe85f02d2014-07-18 01:30:58 +02001157}
1158
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001159bool TWFunc::Toggle_MTP(bool enable) {
1160#ifdef TW_HAS_MTP
1161 static int was_enabled = false;
1162
1163 if (enable && was_enabled) {
1164 if (!PartitionManager.Enable_MTP())
1165 PartitionManager.Disable_MTP();
1166 } else {
1167 was_enabled = DataManager::GetIntValue("tw_mtp_enabled");
1168 PartitionManager.Disable_MTP();
1169 usleep(500);
1170 }
1171 return was_enabled;
1172#else
1173 return false;
1174#endif
1175}
1176
Tom Hite5a926722014-09-15 01:31:03 +00001177void TWFunc::SetPerformanceMode(bool mode) {
1178 if (mode) {
1179 property_set("recovery.perf.mode", "1");
1180 } else {
1181 property_set("recovery.perf.mode", "0");
1182 }
1183 // Some time for events to catch up to init handlers
1184 usleep(500000);
1185}
1186
Jenkins1710bf22014-10-02 20:22:21 -04001187std::string TWFunc::to_string(unsigned long value) {
1188 std::ostringstream os;
1189 os << value;
1190 return os.str();
1191}
1192
Ethan Yonker9132d912015-02-02 10:32:49 -06001193void TWFunc::Disable_Stock_Recovery_Replace(void) {
Captain Throwback9d6feb52018-07-27 10:05:24 -04001194 if (PartitionManager.Mount_By_Path(PartitionManager.Get_Android_Root_Path(), false)) {
Ethan Yonker9132d912015-02-02 10:32:49 -06001195 // Disable flashing of stock recovery
1196 if (TWFunc::Path_Exists("/system/recovery-from-boot.p")) {
1197 rename("/system/recovery-from-boot.p", "/system/recovery-from-boot.bak");
Ethan Yonker74db1572015-10-28 12:44:49 -05001198 gui_msg("rename_stock=Renamed stock recovery file in /system to prevent the stock ROM from replacing TWRP.");
Ethan Yonker9132d912015-02-02 10:32:49 -06001199 sync();
1200 }
Captain Throwback9d6feb52018-07-27 10:05:24 -04001201 PartitionManager.UnMount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
Ethan Yonker9132d912015-02-02 10:32:49 -06001202 }
1203}
1204
Ethan Yonker483e9f42016-01-11 22:21:18 -06001205unsigned long long TWFunc::IOCTL_Get_Block_Size(const char* block_device) {
1206 unsigned long block_device_size;
1207 int ret = 0;
1208
1209 int fd = open(block_device, O_RDONLY);
1210 if (fd < 0) {
1211 LOGINFO("Find_Partition_Size: Failed to open '%s', (%s)\n", block_device, strerror(errno));
1212 } else {
1213 ret = ioctl(fd, BLKGETSIZE, &block_device_size);
1214 close(fd);
1215 if (ret) {
1216 LOGINFO("Find_Partition_Size: ioctl error: (%s)\n", strerror(errno));
1217 } else {
1218 return (unsigned long long)(block_device_size) * 512LLU;
1219 }
1220 }
1221 return 0;
1222}
1223
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001224void TWFunc::copy_kernel_log(string curr_storage) {
1225 std::string dmesgDst = curr_storage + "/dmesg.log";
bigbiffad58e1b2020-07-06 20:24:34 -04001226 std::string dmesgCmd = "/system/bin/dmesg";
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001227
1228 std::string result;
bigbiffad58e1b2020-07-06 20:24:34 -04001229 Exec_Cmd(dmesgCmd, result, false);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001230 write_to_file(dmesgDst, result);
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001231 gui_msg(Msg("copy_kernel_log=Copied kernel log to {1}")(dmesgDst));
1232 tw_set_default_metadata(dmesgDst.c_str());
1233}
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04001234
Captain Throwback52978932021-09-05 15:11:07 -04001235void TWFunc::copy_logcat(string curr_storage) {
1236 std::string logcatDst = curr_storage + "/logcat.txt";
1237 std::string logcatCmd = "logcat -d";
1238
1239 std::string result;
1240 Exec_Cmd(logcatCmd, result, false);
1241 write_to_file(logcatDst, result);
1242 gui_msg(Msg("copy_logcat=Copied logcat to {1}")(logcatDst));
1243 tw_set_default_metadata(logcatDst.c_str());
1244}
1245
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04001246bool TWFunc::isNumber(string strtocheck) {
1247 int num = 0;
1248 std::istringstream iss(strtocheck);
1249
1250 if (!(iss >> num).fail())
1251 return true;
1252 else
1253 return false;
1254}
1255
1256int TWFunc::stream_adb_backup(string &Restore_Name) {
bigbiffad58e1b2020-07-06 20:24:34 -04001257 string cmd = "/system/bin/bu --twrp stream " + Restore_Name;
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04001258 LOGINFO("stream_adb_backup: %s\n", cmd.c_str());
1259 int ret = TWFunc::Exec_Cmd(cmd);
1260 if (ret != 0)
1261 return -1;
1262 return ret;
1263}
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001264
bigbiff25d25b92020-06-19 16:07:38 -04001265std::string TWFunc::get_log_dir() {
1266 if (PartitionManager.Find_Partition_By_Path(CACHE_LOGS_DIR) == NULL) {
1267 if (PartitionManager.Find_Partition_By_Path(DATA_LOGS_DIR) == NULL) {
bigbiffaac58612020-08-30 11:18:39 -04001268 LOGINFO("Unable to find a directory to store TWRP logs.");
1269 return "";
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -04001270 } else {
bigbiff25d25b92020-06-19 16:07:38 -04001271 return DATA_LOGS_DIR;
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -04001272 }
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001273 }
1274 else {
bigbiff25d25b92020-06-19 16:07:38 -04001275 return CACHE_LOGS_DIR;
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001276 }
1277}
1278
1279void TWFunc::check_selinux_support() {
1280 if (TWFunc::Path_Exists("/prebuilt_file_contexts")) {
1281 if (TWFunc::Path_Exists("/file_contexts")) {
1282 printf("Renaming regular /file_contexts -> /file_contexts.bak\n");
1283 rename("/file_contexts", "/file_contexts.bak");
1284 }
1285 printf("Moving /prebuilt_file_contexts -> /file_contexts\n");
1286 rename("/prebuilt_file_contexts", "/file_contexts");
1287 }
1288 struct selinux_opt selinux_options[] = {
1289 { SELABEL_OPT_PATH, "/file_contexts" }
1290 };
1291 selinux_handle = selabel_open(SELABEL_CTX_FILE, selinux_options, 1);
1292 if (!selinux_handle)
1293 printf("No file contexts for SELinux\n");
1294 else
1295 printf("SELinux contexts loaded from /file_contexts\n");
1296 { // Check to ensure SELinux can be supported by the kernel
1297 char *contexts = NULL;
bigbiff25d25b92020-06-19 16:07:38 -04001298 std::string cacheDir = TWFunc::get_log_dir();
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001299 std::string se_context_check = cacheDir + "recovery/";
1300 int ret = 0;
1301
bigbiff25d25b92020-06-19 16:07:38 -04001302 if (cacheDir == CACHE_LOGS_DIR) {
1303 PartitionManager.Mount_By_Path(CACHE_LOGS_DIR, false);
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001304 }
1305 if (TWFunc::Path_Exists(se_context_check)) {
1306 ret = lgetfilecon(se_context_check.c_str(), &contexts);
Makornthawat Emeryabc299c2019-03-29 13:45:22 +00001307 if (ret < 0) {
bigbiffad58e1b2020-07-06 20:24:34 -04001308 LOGINFO("Could not check %s SELinux contexts, using /system/bin/teamwin instead which may be inaccurate.\n", se_context_check.c_str());
1309 lgetfilecon("/system/bin/teamwin", &contexts);
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001310 }
1311 }
1312 if (ret < 0) {
1313 gui_warn("no_kernel_selinux=Kernel does not have support for reading SELinux contexts.");
1314 } else {
1315 free(contexts);
1316 gui_msg("full_selinux=Full SELinux support is present.");
1317 }
1318 }
1319}
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001320
1321bool TWFunc::Is_TWRP_App_In_System() {
bigbiffee7b7ff2020-03-23 15:08:27 -04001322 LOGINFO("checking for twrp app\n");
1323 TWPartition* sys = PartitionManager.Find_Partition_By_Path(PartitionManager.Get_Android_Root_Path());
1324 if (!sys->Get_Super_Status()) {
Captain Throwback31c14922020-12-21 11:28:34 -05001325 bool is_system_mounted = true;
1326 if(!PartitionManager.Is_Mounted_By_Path(PartitionManager.Get_Android_Root_Path())) {
1327 is_system_mounted = false;
1328 PartitionManager.Mount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001329 }
Captain Throwback31c14922020-12-21 11:28:34 -05001330 string base_path = PartitionManager.Get_Android_Root_Path();
1331 if (TWFunc::Path_Exists(PartitionManager.Get_Android_Root_Path() + "/system"))
1332 base_path += "/system"; // For devices with system as a root file system (e.g. Pixel)
1333 string install_path = base_path + "/priv-app";
1334 if (!TWFunc::Path_Exists(install_path))
1335 install_path = base_path + "/app";
1336 install_path += "/twrpapp";
1337 if (TWFunc::Path_Exists(install_path)) {
1338 LOGINFO("App found at '%s'\n", install_path.c_str());
1339 DataManager::SetValue("tw_app_installed_in_system", 1);
1340 return true;
1341 }
1342 if (!is_system_mounted)
1343 PartitionManager.UnMount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
bigbiffee7b7ff2020-03-23 15:08:27 -04001344 DataManager::SetValue("tw_app_installed_in_system", 0);
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001345 }
1346 DataManager::SetValue("tw_app_installed_in_system", 0);
1347 return false;
1348}
Chaosmaster461e39f2020-02-07 01:48:13 +01001349
epicX271bb3a2020-12-30 01:03:18 +05301350void TWFunc::checkforapp(){
1351
1352 string sdkverstr = System_Property_Get("ro.build.version.sdk");
1353 int sdkver = 0;
1354 if (!sdkverstr.empty()) {
1355 sdkver = atoi(sdkverstr.c_str());
1356 }
1357 if (sdkver <= 13) {
1358 if (sdkver == 0)
1359 LOGINFO("Unable to read sdk version from build prop\n");
1360 else
1361 LOGINFO("SDK version too low for TWRP app (%i < 14)\n", sdkver);
1362 DataManager::SetValue("tw_app_install_status", 1); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1363 goto exit;
1364 }
1365 if (Is_TWRP_App_In_System()) {
1366 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1367 goto exit;
1368 }
1369 if (PartitionManager.Mount_By_Path("/data", false)) {
1370 const char parent_path[] = "/data/app";
1371 const char app_prefix[] = "me.twrp.twrpapp-";
1372 DIR *d = opendir(parent_path);
1373 if (d) {
1374 struct dirent *p;
1375 while ((p = readdir(d))) {
1376 if (p->d_type != DT_DIR || strlen(p->d_name) < strlen(app_prefix) || strncmp(p->d_name, app_prefix, strlen(app_prefix)))
1377 continue;
1378 closedir(d);
1379 LOGINFO("App found at '%s/%s'\n", parent_path, p->d_name);
1380 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1381 goto exit;
1382 }
1383 closedir(d);
1384 }
1385 } else {
1386 LOGINFO("Data partition cannot be mounted during app check\n");
1387 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1388 }
1389
1390 LOGINFO("App not installed\n");
1391 DataManager::SetValue("tw_app_install_status", 1); // 0 = no status, 1 = not installed, 2 = already installed
1392exit:
1393 return;
1394
1395}
1396
Chaosmaster461e39f2020-02-07 01:48:13 +01001397int TWFunc::Property_Override(string Prop_Name, string Prop_Value) {
1398#ifdef TW_INCLUDE_LIBRESETPROP
1399 return setprop(Prop_Name.c_str(), Prop_Value.c_str(), false);
1400#else
1401 return -2;
1402#endif
1403}
1404
bigbiffee7b7ff2020-03-23 15:08:27 -04001405void TWFunc::List_Mounts() {
1406 std::vector<std::string> mounts;
1407 read_file("/proc/mounts", mounts);
1408 LOGINFO("Mounts:\n");
1409 for (auto&& mount: mounts) {
1410 LOGINFO("%s\n", mount.c_str());
1411 }
1412}
1413
bigbiffa957f072021-03-07 18:20:29 -05001414#ifdef TW_INCLUDE_CRYPTO
1415#ifdef USE_FSCRYPT_POLICY_V1
1416bool TWFunc::Get_Encryption_Policy(struct fscrypt_policy_v1 &policy, std::string path) {
1417#else
1418bool TWFunc::Get_Encryption_Policy(struct fscrypt_policy_v2 &policy, std::string path) {
1419#endif
bigbiff7ba75002020-04-11 20:47:09 -04001420 if (!TWFunc::Path_Exists(path)) {
1421 LOGERR("Unable to find %s to get policy\n", path.c_str());
1422 return false;
1423 }
1424 if (!fscrypt_policy_get_struct(path.c_str(), &policy)) {
1425 LOGERR("No policy set for path %s\n", path.c_str());
1426 return false;
1427 }
1428 return true;
1429}
1430
bigbiffa957f072021-03-07 18:20:29 -05001431#ifdef USE_FSCRYPT_POLICY_V1
1432bool TWFunc::Set_Encryption_Policy(std::string path, struct fscrypt_policy_v1 &policy) {
1433#else
1434bool TWFunc::Set_Encryption_Policy(std::string path, struct fscrypt_policy_v2 &policy) {
1435#endif
bigbiff7ba75002020-04-11 20:47:09 -04001436 if (!TWFunc::Path_Exists(path)) {
1437 LOGERR("unable to find %s to set policy\n", path.c_str());
1438 return false;
1439 }
1440 uint8_t binary_policy[FS_KEY_DESCRIPTOR_SIZE];
bigbiffa957f072021-03-07 18:20:29 -05001441 char policy_hex[FSCRYPT_KEY_IDENTIFIER_HEX_SIZE];
1442 bytes_to_hex(binary_policy, FS_KEY_DESCRIPTOR_SIZE, policy_hex);
bigbiff7ba75002020-04-11 20:47:09 -04001443 if (!fscrypt_policy_set_struct(path.c_str(), &policy)) {
1444 LOGERR("unable to set policy for path: %s\n", path.c_str());
1445 return false;
1446 }
1447 return true;
1448}
bigbiffa957f072021-03-07 18:20:29 -05001449#endif
epicXa721f952021-01-04 13:01:31 +05301450
1451string TWFunc::Check_For_TwrpFolder() {
1452 string oldFolder = "";
1453 vector<string> customTWRPFolders;
1454 string mainPath = DataManager::GetCurrentStoragePath();
1455 DIR* d;
1456 struct dirent* de;
1457
epicX11e90832021-03-01 00:02:57 +05301458 if (DataManager::GetIntValue(TW_IS_ENCRYPTED)) {
epicXa721f952021-01-04 13:01:31 +05301459 goto exit;
1460 }
1461
1462
1463 d = opendir(mainPath.c_str());
1464 if (d == NULL) {
1465 goto exit;
1466 }
1467
1468 while ((de = readdir(d)) != NULL) {
1469 string name = de->d_name;
1470 string fullPath = mainPath + '/' + name;
1471 unsigned char type = de->d_type;
1472
epicX11e90832021-03-01 00:02:57 +05301473 if (name == "." || name == "..") continue;
epicXa721f952021-01-04 13:01:31 +05301474
epicX11e90832021-03-01 00:02:57 +05301475 if (type == DT_UNKNOWN) {
epicXa721f952021-01-04 13:01:31 +05301476 type = Get_D_Type_From_Stat(fullPath);
1477 }
1478
epicX11e90832021-03-01 00:02:57 +05301479 if (type == DT_DIR && Path_Exists(fullPath + '/' + TW_SETTINGS_FILE)) {
1480 if ('/' + name == TW_DEFAULT_RECOVERY_FOLDER) {
epicXa721f952021-01-04 13:01:31 +05301481 oldFolder = name;
1482 } else {
1483 customTWRPFolders.push_back(name);
1484 }
1485 }
1486 }
1487
1488 closedir(d);
1489
epicX11e90832021-03-01 00:02:57 +05301490 if (oldFolder == "" && customTWRPFolders.empty()) {
epicXa721f952021-01-04 13:01:31 +05301491 LOGINFO("No recovery folder found. Using default folder.\n");
1492 goto exit;
epicX11e90832021-03-01 00:02:57 +05301493 } else if (customTWRPFolders.empty()) {
epicXa721f952021-01-04 13:01:31 +05301494 LOGINFO("No custom recovery folder found. Using TWRP as default.\n");
1495 goto exit;
1496 } else {
epicX11e90832021-03-01 00:02:57 +05301497 if (customTWRPFolders.size() > 1) {
epicXa721f952021-01-04 13:01:31 +05301498 LOGINFO("More than one custom recovery folder found. Using first one from the list.\n");
1499 } else {
1500 LOGINFO("One custom recovery folder found.\n");
1501 }
1502 string customPath = '/' + customTWRPFolders.at(0);
1503
epicX11e90832021-03-01 00:02:57 +05301504 if (Path_Exists(mainPath + TW_DEFAULT_RECOVERY_FOLDER)) {
epicXa721f952021-01-04 13:01:31 +05301505 string oldBackupFolder = mainPath + TW_DEFAULT_RECOVERY_FOLDER + "/BACKUPS/" + DataManager::GetStrValue("device_id");
1506 string newBackupFolder = mainPath + customPath + "/BACKUPS/" + DataManager::GetStrValue("device_id");
1507
epicX11e90832021-03-01 00:02:57 +05301508 if (Path_Exists(oldBackupFolder)) {
epicXa721f952021-01-04 13:01:31 +05301509 vector<string> backups;
1510 d = opendir(oldBackupFolder.c_str());
1511
1512 if (d != NULL) {
1513 while ((de = readdir(d)) != NULL) {
1514 string name = de->d_name;
1515 unsigned char type = de->d_type;
1516
epicX11e90832021-03-01 00:02:57 +05301517 if (name == "." || name == "..") continue;
epicXa721f952021-01-04 13:01:31 +05301518
epicX11e90832021-03-01 00:02:57 +05301519 if (type == DT_UNKNOWN) {
epicXa721f952021-01-04 13:01:31 +05301520 type = Get_D_Type_From_Stat(mainPath + '/' + name);
1521 }
1522
epicX11e90832021-03-01 00:02:57 +05301523 if (type == DT_DIR) {
epicXa721f952021-01-04 13:01:31 +05301524 backups.push_back(name);
1525 }
1526 }
1527 closedir(d);
1528 }
1529
epicX11e90832021-03-01 00:02:57 +05301530 for (auto it = backups.begin(); it != backups.end(); it++) {
epicXa721f952021-01-04 13:01:31 +05301531 Exec_Cmd("mv -f \"" + oldBackupFolder + '/' + *it + "\" \"" + newBackupFolder + '/' + *it + (Path_Exists(newBackupFolder + '/' + *it) ? "_new\"" : "\""));
1532 }
1533 }
1534 Exec_Cmd("rm -rf \"" + mainPath + TW_DEFAULT_RECOVERY_FOLDER + '\"');
1535 }
1536
1537 return customPath;
1538 }
1539
1540exit:
1541 return TW_DEFAULT_RECOVERY_FOLDER;
1542}
Darth98f775972022-08-05 09:39:03 +01001543
1544bool TWFunc::Check_Xml_Format(const std::string filename) {
1545 std::string buffer(' ', 4);
1546 std::string abx_hdr("ABX\x00", 4);
1547 std::ifstream File;
1548 File.open(filename);
1549 if (File.is_open()) {
1550 File.get(&buffer[0], buffer.size());
1551 File.close();
1552 // Android Binary Xml start from these bytes
1553 if(!buffer.compare(0, abx_hdr.size(), abx_hdr))
1554 return false; // ABX format - requires conversion
1555 }
1556 return true; // good format, possible to parse
1557}
1558
1559// return true=successful conversion (return the name of the converted file in "result");
1560// return false=an error happened (leave "result" alone)
1561bool TWFunc::abx_to_xml(const std::string path, std::string &result) {
1562 bool res = false;
1563 if (!TWFunc::Path_Exists(path))
1564 return res;
1565
1566 std::ifstream infile(path);
1567 if (!infile.is_open())
1568 return res;
1569
1570 std::string fname = TWFunc::Get_Filename(path);
1571 std::string tmp = "/tmp/converted_xml";
1572 if (!TWFunc::Path_Exists(tmp)) {
1573 if (mkdir(tmp.c_str(), 0777) != 0)
1574 tmp = "/tmp";
1575 }
1576
1577 std::string tmp_path = tmp + "/" + fname;
1578 std::ofstream outfile(tmp_path);
1579 if (!outfile.is_open()) {
1580 LOGINFO("Error. The abx conversion of %s has failed.\n", path.c_str());
1581 infile.close();
1582 return res;
1583 }
1584
1585 AbxToXml r(infile, outfile);
1586 if (r.run() && TWFunc::Path_Exists(tmp_path)) {
1587 res = true;
1588 result = tmp_path;
1589 }
1590
1591 infile.close();
1592 outfile.close();
1593
1594 return res;
1595}
1596
Ethan Yonkeraf2897c2014-02-10 13:07:14 -06001597#endif // ndef BUILD_TWRPTAR_MAIN