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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>
Dees_Troy38bd7602012-09-14 13:33:53 -040041#include "twrp-functions.hpp"
Dees_Troy2673cec2013-04-02 20:22:16 +000042#include "twcommon.h"
Ethan Yonker472f5062016-02-25 13:47:30 -060043#include "gui/gui.hpp"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060044#ifndef BUILD_TWRPTAR_MAIN
Dees_Troyb46a6842012-09-25 11:06:46 -040045#include "data.hpp"
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060046#include "partitions.hpp"
Dees_Troy3477d712012-09-27 15:44:01 -040047#include "variables.h"
bigbiffdf8436b2020-08-30 16:22:34 -040048#include "bootloader_message/include/bootloader_message/bootloader_message.h"
Tom Hite5a926722014-09-15 01:31:03 +000049#include "cutils/properties.h"
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -050050#include "cutils/android_reboot.h"
51#include <sys/reboot.h>
Ethan Yonkeraf2897c2014-02-10 13:07:14 -060052#endif // ndef BUILD_TWRPTAR_MAIN
Dees_Troy83bd4832013-05-04 12:39:56 +000053#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
54 #include "openaes/inc/oaes_lib.h"
55#endif
Ethan Yonkerf1179622016-08-25 15:32:21 -050056#include "set_metadata.h"
Dees_Troy38bd7602012-09-14 13:33:53 -040057
Dees_Troyb05ddee2013-01-28 20:24:50 +000058extern "C" {
59 #include "libcrecovery/common.h"
60}
61
Chaosmaster461e39f2020-02-07 01:48:13 +010062#ifdef TW_INCLUDE_LIBRESETPROP
63 #include <resetprop.h>
64#endif
65
bigbiff bigbiff19874f12019-01-08 20:06:57 -050066struct selabel_handle *selinux_handle;
67
bigbiff bigbiff9c754052013-01-09 09:09:08 -050068/* Execute a command */
bigbiffad58e1b2020-07-06 20:24:34 -040069int TWFunc::Exec_Cmd(const string& cmd, string &result, bool combine_stderr) {
Dees_Troy29a06352013-08-24 12:06:47 +000070 FILE* exec;
71 char buffer[130];
72 int ret = 0;
bigbiffad58e1b2020-07-06 20:24:34 -040073 std::string popen_cmd = cmd;
74 if (combine_stderr)
75 popen_cmd = cmd + " 2>&1";
76 exec = __popen(popen_cmd.c_str(), "r");
77
Matt Mowera8a89d12016-12-30 18:10:37 -060078 while (!feof(exec)) {
Dees_Troy29a06352013-08-24 12:06:47 +000079 if (fgets(buffer, 128, exec) != NULL) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -050080 result += buffer;
Dees_Troyb05ddee2013-01-28 20:24:50 +000081 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -050082 }
Dees_Troy29a06352013-08-24 12:06:47 +000083 ret = __pclose(exec);
84 return ret;
bigbiff bigbiff9c754052013-01-09 09:09:08 -050085}
86
Ethan Yonker7e941582019-03-22 08:18:21 -050087int TWFunc::Exec_Cmd(const string& cmd, bool Show_Errors) {
Vojtech Bocek05534202013-09-11 08:11:56 +020088 pid_t pid;
89 int status;
90 switch(pid = fork())
91 {
92 case -1:
bigbiff bigbiff731df792014-02-20 18:26:13 -050093 LOGERR("Exec_Cmd(): vfork failed: %d!\n", errno);
Vojtech Bocek05534202013-09-11 08:11:56 +020094 return -1;
95 case 0: // child
bigbiffad58e1b2020-07-06 20:24:34 -040096 execl("/system/bin/sh", "sh", "-c", cmd.c_str(), NULL);
Vojtech Bocek05534202013-09-11 08:11:56 +020097 _exit(127);
98 break;
99 default:
100 {
Ethan Yonker7e941582019-03-22 08:18:21 -0500101 if (TWFunc::Wait_For_Child(pid, &status, cmd, Show_Errors) != 0)
Vojtech Bocek05534202013-09-11 08:11:56 +0200102 return -1;
103 else
104 return 0;
105 }
106 }
107}
108
Dees_Troy38bd7602012-09-14 13:33:53 -0400109// Returns "file.name" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600110string TWFunc::Get_Filename(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400111 size_t pos = Path.find_last_of("/");
112 if (pos != string::npos) {
113 string Filename;
114 Filename = Path.substr(pos + 1, Path.size() - pos - 1);
115 return Filename;
116 } else
117 return Path;
118}
119
120// Returns "/path/to/" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600121string TWFunc::Get_Path(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400122 size_t pos = Path.find_last_of("/");
123 if (pos != string::npos) {
124 string Pathonly;
125 Pathonly = Path.substr(0, pos + 1);
126 return Pathonly;
127 } else
128 return Path;
129}
130
Ethan Yonker7e941582019-03-22 08:18:21 -0500131int TWFunc::Wait_For_Child(pid_t pid, int *status, string Child_Name, bool Show_Errors) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600132 pid_t rc_pid;
133
134 rc_pid = waitpid(pid, status, 0);
135 if (rc_pid > 0) {
Vojtech Bocek0fdcbec2015-03-20 15:36:40 +0100136 if (WIFSIGNALED(*status)) {
Ethan Yonker7e941582019-03-22 08:18:21 -0500137 if (Show_Errors)
138 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 -0600139 return -1;
Vojtech Bocek0fdcbec2015-03-20 15:36:40 +0100140 } else if (WEXITSTATUS(*status) == 0) {
141 LOGINFO("%s process ended with RC=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Success
142 } else {
Ethan Yonker7e941582019-03-22 08:18:21 -0500143 if (Show_Errors)
144 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 -0600145 return -1;
146 }
147 } else { // no PID returned
148 if (errno == ECHILD)
that2252d242015-04-03 22:33:04 +0200149 LOGERR("%s no child process exist\n", Child_Name.c_str());
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600150 else {
that2252d242015-04-03 22:33:04 +0200151 LOGERR("%s Unexpected error %d\n", Child_Name.c_str(), errno);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600152 return -1;
153 }
154 }
155 return 0;
156}
157
Ethan Yonkerddb63e22017-01-19 14:01:57 -0600158int TWFunc::Wait_For_Child_Timeout(pid_t pid, int *status, const string& Child_Name, int timeout) {
159 pid_t retpid = waitpid(pid, status, WNOHANG);
160 for (; retpid == 0 && timeout; --timeout) {
161 sleep(1);
162 retpid = waitpid(pid, status, WNOHANG);
163 }
164 if (retpid == 0 && timeout == 0) {
165 LOGERR("%s took too long, killing process\n", Child_Name.c_str());
166 kill(pid, SIGKILL);
Ethan Yonkerddb63e22017-01-19 14:01:57 -0600167 for (timeout = 5; retpid == 0 && timeout; --timeout) {
168 sleep(1);
169 retpid = waitpid(pid, status, WNOHANG);
170 }
171 if (retpid)
172 LOGINFO("Child process killed successfully\n");
173 else
174 LOGINFO("Child process took too long to kill, may be a zombie process\n");
175 return -1;
176 } else if (retpid > 0) {
177 if (WIFSIGNALED(*status)) {
178 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
179 return -1;
180 }
181 } else if (retpid < 0) { // no PID returned
182 if (errno == ECHILD)
183 LOGERR("%s no child process exist\n", Child_Name.c_str());
184 else {
185 LOGERR("%s Unexpected error %d\n", Child_Name.c_str(), errno);
186 return -1;
187 }
188 }
189 return 0;
190}
191
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600192bool TWFunc::Path_Exists(string Path) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600193 struct stat st;
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400194 return stat(Path.c_str(), &st) == 0;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600195}
196
bigbiffce8f83c2015-12-12 18:30:21 -0500197Archive_Type TWFunc::Get_File_Type(string fn) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600198 string::size_type i = 0;
199 int firstbyte = 0, secondbyte = 0;
200 char header[3];
201
202 ifstream f;
203 f.open(fn.c_str(), ios::in | ios::binary);
204 f.get(header, 3);
205 f.close();
206 firstbyte = header[i] & 0xff;
207 secondbyte = header[++i] & 0xff;
208
209 if (firstbyte == 0x1f && secondbyte == 0x8b)
bigbiffce8f83c2015-12-12 18:30:21 -0500210 return COMPRESSED;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600211 else if (firstbyte == 0x4f && secondbyte == 0x41)
bigbiffce8f83c2015-12-12 18:30:21 -0500212 return ENCRYPTED;
213 return UNCOMPRESSED; // default
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600214}
215
216int TWFunc::Try_Decrypting_File(string fn, string password) {
217#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
218 OAES_CTX * ctx = NULL;
219 uint8_t _key_data[32] = "";
220 FILE *f;
221 uint8_t buffer[4096];
222 uint8_t *buffer_out = NULL;
223 uint8_t *ptr = NULL;
224 size_t read_len = 0, out_len = 0;
Matt Mower23d8aae2017-01-06 14:30:33 -0600225 int firstbyte = 0, secondbyte = 0;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600226 size_t _j = 0;
227 size_t _key_data_len = 0;
228
229 // mostly kanged from OpenAES oaes.c
Matt Mowera8a89d12016-12-30 18:10:37 -0600230 for ( _j = 0; _j < 32; _j++ )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600231 _key_data[_j] = _j + 1;
232 _key_data_len = password.size();
Matt Mowera8a89d12016-12-30 18:10:37 -0600233 if ( 16 >= _key_data_len )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600234 _key_data_len = 16;
Matt Mowera8a89d12016-12-30 18:10:37 -0600235 else if ( 24 >= _key_data_len )
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600236 _key_data_len = 24;
237 else
Matt Mowera8a89d12016-12-30 18:10:37 -0600238 _key_data_len = 32;
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600239 memcpy(_key_data, password.c_str(), password.size());
240
241 ctx = oaes_alloc();
242 if (ctx == NULL) {
243 LOGERR("Failed to allocate OAES\n");
244 return -1;
245 }
246
247 oaes_key_import_data(ctx, _key_data, _key_data_len);
248
249 f = fopen(fn.c_str(), "rb");
250 if (f == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500251 LOGERR("Failed to open '%s' to try decrypt: %s\n", fn.c_str(), strerror(errno));
Matt Mower13a8f0b2015-09-26 15:40:03 -0500252 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600253 return -1;
254 }
255 read_len = fread(buffer, sizeof(uint8_t), 4096, f);
256 if (read_len <= 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500257 LOGERR("Read size during try decrypt failed: %s\n", strerror(errno));
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600258 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500259 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600260 return -1;
261 }
262 if (oaes_decrypt(ctx, buffer, read_len, NULL, &out_len) != OAES_RET_SUCCESS) {
263 LOGERR("Error: Failed to retrieve required buffer size for trying decryption.\n");
264 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 buffer_out = (uint8_t *) calloc(out_len, sizeof(char));
269 if (buffer_out == NULL) {
270 LOGERR("Failed to allocate output buffer for try decrypt.\n");
271 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500272 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600273 return -1;
274 }
275 if (oaes_decrypt(ctx, buffer, read_len, buffer_out, &out_len) != OAES_RET_SUCCESS) {
276 LOGERR("Failed to decrypt file '%s'\n", fn.c_str());
277 fclose(f);
278 free(buffer_out);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500279 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600280 return 0;
281 }
282 fclose(f);
Matt Mower13a8f0b2015-09-26 15:40:03 -0500283 oaes_free(&ctx);
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600284 if (out_len < 2) {
Ethan Yonkerd0514ba2015-10-22 14:17:47 -0500285 LOGINFO("Successfully decrypted '%s' but read length too small.\n", fn.c_str());
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600286 free(buffer_out);
287 return 1; // Decrypted successfully
288 }
289 ptr = buffer_out;
290 firstbyte = *ptr & 0xff;
291 ptr++;
292 secondbyte = *ptr & 0xff;
293 if (firstbyte == 0x1f && secondbyte == 0x8b) {
294 LOGINFO("Successfully decrypted '%s' and file is compressed.\n", fn.c_str());
295 free(buffer_out);
296 return 3; // Compressed
297 }
298 if (out_len >= 262) {
299 ptr = buffer_out + 257;
300 if (strncmp((char*)ptr, "ustar", 5) == 0) {
301 LOGINFO("Successfully decrypted '%s' and file is tar format.\n", fn.c_str());
302 free(buffer_out);
303 return 2; // Tar
304 }
305 }
306 free(buffer_out);
307 LOGINFO("No errors decrypting '%s' but no known file format.\n", fn.c_str());
308 return 1; // Decrypted successfully
309#else
310 LOGERR("Encrypted backup support not included.\n");
311 return -1;
312#endif
313}
314
Ethan Yonker472f5062016-02-25 13:47:30 -0600315unsigned long TWFunc::Get_File_Size(const string& Path) {
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600316 struct stat st;
317
318 if (stat(Path.c_str(), &st) != 0)
319 return 0;
320 return st.st_size;
321}
322
bigbiffee7b7ff2020-03-23 15:08:27 -0400323std::string TWFunc::Remove_Beginning_Slash(const std::string& path) {
324 std::string res;
325 size_t pos = path.find_first_of("/");
326 if (pos != std::string::npos) {
327 res = path.substr(pos+1);
328 }
329 return res;
330}
331
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100332std::string TWFunc::Remove_Trailing_Slashes(const std::string& path, bool leaveLast)
333{
334 std::string res;
335 size_t last_idx = 0, idx = 0;
336
Matt Mowera8a89d12016-12-30 18:10:37 -0600337 while (last_idx != std::string::npos)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100338 {
Matt Mowera8a89d12016-12-30 18:10:37 -0600339 if (last_idx != 0)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100340 res += '/';
341
342 idx = path.find_first_of('/', last_idx);
Matt Mowera8a89d12016-12-30 18:10:37 -0600343 if (idx == std::string::npos) {
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100344 res += path.substr(last_idx, idx);
345 break;
346 }
347
348 res += path.substr(last_idx, idx-last_idx);
349 last_idx = path.find_first_not_of('/', idx);
350 }
351
Matt Mowera8a89d12016-12-30 18:10:37 -0600352 if (leaveLast)
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100353 res += '/';
354 return res;
355}
356
Matt Mower2416a502016-04-12 19:54:46 -0500357void TWFunc::Strip_Quotes(char* &str) {
358 if (strlen(str) > 0 && str[0] == '\"')
359 str++;
360 if (strlen(str) > 0 && str[strlen(str)-1] == '\"')
361 str[strlen(str)-1] = 0;
362}
363
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500364vector<string> TWFunc::split_string(const string &in, char del, bool skip_empty) {
365 vector<string> res;
366
367 if (in.empty() || del == '\0')
368 return res;
369
370 string field;
371 istringstream f(in);
372 if (del == '\n') {
Matt Mowera8a89d12016-12-30 18:10:37 -0600373 while (getline(f, field)) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500374 if (field.empty() && skip_empty)
375 continue;
Matt Mowera8a89d12016-12-30 18:10:37 -0600376 res.push_back(field);
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500377 }
378 } else {
Matt Mowera8a89d12016-12-30 18:10:37 -0600379 while (getline(f, field, del)) {
Ethan Yonker1b7a31b2014-07-03 15:09:22 -0500380 if (field.empty() && skip_empty)
381 continue;
382 res.push_back(field);
383 }
384 }
385 return res;
386}
387
Ethan Yonker472f5062016-02-25 13:47:30 -0600388timespec TWFunc::timespec_diff(timespec& start, timespec& end)
389{
390 timespec temp;
391 if ((end.tv_nsec-start.tv_nsec)<0) {
392 temp.tv_sec = end.tv_sec-start.tv_sec-1;
393 temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
394 } else {
395 temp.tv_sec = end.tv_sec-start.tv_sec;
396 temp.tv_nsec = end.tv_nsec-start.tv_nsec;
397 }
398 return temp;
399}
400
401int32_t TWFunc::timespec_diff_ms(timespec& start, timespec& end)
402{
403 return ((end.tv_sec * 1000) + end.tv_nsec/1000000) -
404 ((start.tv_sec * 1000) + start.tv_nsec/1000000);
405}
406
Ethan Yonkeraf2897c2014-02-10 13:07:14 -0600407#ifndef BUILD_TWRPTAR_MAIN
408
Dees_Troy38bd7602012-09-14 13:33:53 -0400409// Returns "/path" from a full /path/to/file.name
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600410string TWFunc::Get_Root_Path(const string& Path) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400411 string Local_Path = Path;
412
413 // Make sure that we have a leading slash
414 if (Local_Path.substr(0, 1) != "/")
415 Local_Path = "/" + Local_Path;
416
417 // Trim the path to get the root path only
418 size_t position = Local_Path.find("/", 2);
419 if (position != string::npos) {
420 Local_Path.resize(position);
421 }
422 return Local_Path;
423}
424
425void TWFunc::install_htc_dumlock(void) {
Dees_Troy38bd7602012-09-14 13:33:53 -0400426 int need_libs = 0;
427
Captain Throwback9d6feb52018-07-27 10:05:24 -0400428 if (!PartitionManager.Mount_By_Path(PartitionManager.Get_Android_Root_Path(), true))
Dees_Troy38bd7602012-09-14 13:33:53 -0400429 return;
430
431 if (!PartitionManager.Mount_By_Path("/data", true))
432 return;
433
Ethan Yonker74db1572015-10-28 12:44:49 -0500434 gui_msg("install_dumlock=Installing HTC Dumlock to system...");
Dees Troy3454ade2015-01-20 19:21:04 +0000435 copy_file(TWHTCD_PATH "htcdumlocksys", "/system/bin/htcdumlock", 0755);
Dees_Troy8170a922012-09-18 15:40:25 -0400436 if (!Path_Exists("/system/bin/flash_image")) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500437 LOGINFO("Installing flash_image...\n");
Dees Troy3454ade2015-01-20 19:21:04 +0000438 copy_file(TWHTCD_PATH "flash_imagesys", "/system/bin/flash_image", 0755);
Dees_Troy38bd7602012-09-14 13:33:53 -0400439 need_libs = 1;
440 } else
Ethan Yonker74db1572015-10-28 12:44:49 -0500441 LOGINFO("flash_image is already installed, skipping...\n");
Dees_Troy8170a922012-09-18 15:40:25 -0400442 if (!Path_Exists("/system/bin/dump_image")) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500443 LOGINFO("Installing dump_image...\n");
Dees Troy3454ade2015-01-20 19:21:04 +0000444 copy_file(TWHTCD_PATH "dump_imagesys", "/system/bin/dump_image", 0755);
Dees_Troy38bd7602012-09-14 13:33:53 -0400445 need_libs = 1;
446 } else
Ethan Yonker74db1572015-10-28 12:44:49 -0500447 LOGINFO("dump_image is already installed, skipping...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400448 if (need_libs) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500449 LOGINFO("Installing libs needed for flash_image and dump_image...\n");
Dees Troy3454ade2015-01-20 19:21:04 +0000450 copy_file(TWHTCD_PATH "libbmlutils.so", "/system/lib/libbmlutils.so", 0644);
451 copy_file(TWHTCD_PATH "libflashutils.so", "/system/lib/libflashutils.so", 0644);
452 copy_file(TWHTCD_PATH "libmmcutils.so", "/system/lib/libmmcutils.so", 0644);
453 copy_file(TWHTCD_PATH "libmtdutils.so", "/system/lib/libmtdutils.so", 0644);
Dees_Troy38bd7602012-09-14 13:33:53 -0400454 }
Ethan Yonker74db1572015-10-28 12:44:49 -0500455 LOGINFO("Installing HTC Dumlock app...\n");
Dees_Troy38bd7602012-09-14 13:33:53 -0400456 mkdir("/data/app", 0777);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500457 unlink("/data/app/com.teamwin.htcdumlock*");
Dees Troy3454ade2015-01-20 19:21:04 +0000458 copy_file(TWHTCD_PATH "HTCDumlock.apk", "/data/app/com.teamwin.htcdumlock.apk", 0777);
Dees_Troy38bd7602012-09-14 13:33:53 -0400459 sync();
Ethan Yonker74db1572015-10-28 12:44:49 -0500460 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -0400461}
462
463void TWFunc::htc_dumlock_restore_original_boot(void) {
464 if (!PartitionManager.Mount_By_Path("/sdcard", true))
465 return;
466
Ethan Yonker74db1572015-10-28 12:44:49 -0500467 gui_msg("dumlock_restore=Restoring original boot...");
Vojtech Bocek05534202013-09-11 08:11:56 +0200468 Exec_Cmd("htcdumlock restore");
Ethan Yonker74db1572015-10-28 12:44:49 -0500469 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -0400470}
471
472void TWFunc::htc_dumlock_reflash_recovery_to_boot(void) {
473 if (!PartitionManager.Mount_By_Path("/sdcard", true))
474 return;
Ethan Yonker74db1572015-10-28 12:44:49 -0500475 gui_msg("dumlock_reflash=Reflashing recovery to boot...");
Vojtech Bocek05534202013-09-11 08:11:56 +0200476 Exec_Cmd("htcdumlock recovery noreboot");
Ethan Yonker74db1572015-10-28 12:44:49 -0500477 gui_msg("done=Done.");
Dees_Troy38bd7602012-09-14 13:33:53 -0400478}
Dees_Troy43d8b002012-09-17 16:00:01 -0400479
480int TWFunc::Recursive_Mkdir(string Path) {
thatf1408b32016-01-03 11:09:15 +0100481 std::vector<std::string> parts = Split_String(Path, "/", true);
482 std::string cur_path;
483 for (size_t i = 0; i < parts.size(); ++i) {
484 cur_path += "/" + parts[i];
485 if (!TWFunc::Path_Exists(cur_path)) {
486 if (mkdir(cur_path.c_str(), 0777)) {
Matt Mower3c366972015-12-25 19:28:31 -0600487 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 -0600488 return false;
489 } else {
thatf1408b32016-01-03 11:09:15 +0100490 tw_set_default_metadata(cur_path.c_str());
Ethan Yonker4b94cfd2014-12-11 10:00:45 -0600491 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400492 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400493 }
Dees_Troy43d8b002012-09-17 16:00:01 -0400494 return true;
495}
496
Dees_Troyb46a6842012-09-25 11:06:46 -0400497void TWFunc::GUI_Operation_Text(string Read_Value, string Default_Text) {
498 string Display_Text;
499
500 DataManager::GetValue(Read_Value, Display_Text);
501 if (Display_Text.empty())
502 Display_Text = Default_Text;
503
504 DataManager::SetValue("tw_operation", Display_Text);
505 DataManager::SetValue("tw_partition", "");
506}
507
508void TWFunc::GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text) {
509 string Display_Text;
510
511 DataManager::GetValue(Read_Value, Display_Text);
512 if (Display_Text.empty())
513 Display_Text = Default_Text;
514
515 DataManager::SetValue("tw_operation", Display_Text);
516 DataManager::SetValue("tw_partition", Partition_Name);
Dees_Troy7c2dec82012-09-26 09:49:14 -0400517}
518
Dees_Troy2673cec2013-04-02 20:22:16 +0000519void TWFunc::Copy_Log(string Source, string Destination) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400520 int logPipe[2];
521 int pigz_pid;
522 int destination_fd;
523 std::string destLogBuffer;
524
Dees Troy9d7fdf52013-09-19 20:49:25 +0000525 PartitionManager.Mount_By_Path(Destination, false);
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400526
527 size_t extPos = Destination.find(".gz");
528 std::string uncompressedLog(Destination);
529 uncompressedLog.replace(extPos, Destination.length(), "");
530
531 if (Path_Exists(Destination)) {
532 Archive_Type type = Get_File_Type(Destination);
533 if (type == COMPRESSED) {
534 std::string destFileBuffer;
535 std::string getCompressedContents = "pigz -c -d " + Destination;
bigbiffad58e1b2020-07-06 20:24:34 -0400536 if (Exec_Cmd(getCompressedContents, destFileBuffer, false) < 0) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400537 LOGINFO("Unable to get destination logfile contents.\n");
538 return;
539 }
540 destLogBuffer.append(destFileBuffer);
Dees_Troy6ef66352013-02-21 08:26:57 -0600541 }
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400542 } else if (Path_Exists(uncompressedLog)) {
bigbiffd3317052019-12-22 16:05:12 -0500543 std::ifstream uncompressedIfs(uncompressedLog.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400544 std::stringstream uncompressedSS;
545 uncompressedSS << uncompressedIfs.rdbuf();
546 uncompressedIfs.close();
547 std::string uncompressedLogBuffer(uncompressedSS.str());
548 destLogBuffer.append(uncompressedLogBuffer);
549 std::remove(uncompressedLog.c_str());
Dees_Troy6ef66352013-02-21 08:26:57 -0600550 }
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400551
bigbiffd3317052019-12-22 16:05:12 -0500552 std::ifstream ifs(Source.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400553 std::stringstream ss;
554 ss << ifs.rdbuf();
555 std::string srcLogBuffer(ss.str());
556 ifs.close();
557
558 if (pipe(logPipe) < 0) {
559 LOGINFO("Unable to open pipe to write to persistent log file: %s\n", Destination.c_str());
560 }
561
562 destination_fd = open(Destination.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0666);
563
564 pigz_pid = fork();
565 if (pigz_pid < 0) {
566 LOGINFO("fork() failed\n");
567 close(destination_fd);
568 close(logPipe[0]);
569 close(logPipe[1]);
570 } else if (pigz_pid == 0) {
571 close(logPipe[1]);
572 dup2(logPipe[0], fileno(stdin));
573 dup2(destination_fd, fileno(stdout));
574 if (execlp("pigz", "pigz", "-", NULL) < 0) {
575 close(destination_fd);
576 close(logPipe[0]);
577 _exit(-1);
578 }
579 } else {
580 close(logPipe[0]);
581 if (write(logPipe[1], destLogBuffer.c_str(), destLogBuffer.size()) < 0) {
582 LOGINFO("Unable to append to persistent log: %s\n", Destination.c_str());
583 close(logPipe[1]);
584 close(destination_fd);
585 return;
586 }
587 if (write(logPipe[1], srcLogBuffer.c_str(), srcLogBuffer.size()) < 0) {
588 LOGINFO("Unable to append to persistent log: %s\n", Destination.c_str());
589 close(logPipe[1]);
590 close(destination_fd);
591 return;
592 }
593 close(logPipe[1]);
594 }
595 close(destination_fd);
Dees_Troya58bead2012-09-27 09:49:29 -0400596}
597
Dees_Troy2673cec2013-04-02 20:22:16 +0000598void TWFunc::Update_Log_File(void) {
bigbiff25d25b92020-06-19 16:07:38 -0400599 std::string recoveryDir = get_log_dir() + "recovery/";
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500600
bigbiff25d25b92020-06-19 16:07:38 -0400601 if (get_log_dir() == CACHE_LOGS_DIR) {
602 if (!PartitionManager.Mount_By_Path(CACHE_LOGS_DIR, false)) {
603 LOGINFO("Failed to mount %s for TWFunc::Update_Log_File\n", CACHE_LOGS_DIR);
Dees Troy9d7fdf52013-09-19 20:49:25 +0000604 }
Dees Troy9d7fdf52013-09-19 20:49:25 +0000605 }
Dees_Troya58bead2012-09-27 09:49:29 -0400606
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500607 if (!TWFunc::Path_Exists(recoveryDir)) {
608 LOGINFO("Recreating %s folder.\n", recoveryDir.c_str());
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -0400609 if (!Create_Dir_Recursive(recoveryDir, S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP, 0, 0)) {
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500610 LOGINFO("Unable to create %s folder.\n", recoveryDir.c_str());
611 }
612 }
613
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400614 std::string logCopy = recoveryDir + "log.gz";
615 std::string lastLogCopy = recoveryDir + "last_log.gz";
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500616 copy_file(logCopy, lastLogCopy, 600);
617 Copy_Log(TMP_LOG_FILE, logCopy);
618 chown(logCopy.c_str(), 1000, 1000);
619 chmod(logCopy.c_str(), 0600);
620 chmod(lastLogCopy.c_str(), 0640);
621
bigbiff25d25b92020-06-19 16:07:38 -0400622 if (get_log_dir() == CACHE_LOGS_DIR) {
bigbiff bigbiff19874f12019-01-08 20:06:57 -0500623 if (PartitionManager.Mount_By_Path("/cache", false)) {
624 if (unlink("/cache/recovery/command") && errno != ENOENT) {
625 LOGINFO("Can't unlink %s\n", "/cache/recovery/command");
626 }
Dees Troy9d7fdf52013-09-19 20:49:25 +0000627 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500628 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000629 sync();
630}
631
bigbiffdf8436b2020-08-30 16:22:34 -0400632void TWFunc::Clear_Bootloader_Message() {
633 std::string err;
634 if (!clear_bootloader_message(&err)) {
Ian Macdonaldd4851822020-11-02 08:52:32 +0100635 LOGINFO("%s\n", err.c_str());
bigbiffdf8436b2020-08-30 16:22:34 -0400636 }
637}
638
Dees_Troy2673cec2013-04-02 20:22:16 +0000639void TWFunc::Update_Intent_File(string Intent) {
640 if (PartitionManager.Mount_By_Path("/cache", false) && !Intent.empty()) {
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600641 TWFunc::write_to_file("/cache/recovery/intent", Intent);
Dees_Troy2673cec2013-04-02 20:22:16 +0000642 }
Dees_Troya58bead2012-09-27 09:49:29 -0400643}
644
645// reboot: Reboot the system. Return -1 on error, no return on success
646int TWFunc::tw_reboot(RebootCommand command)
647{
Ethan Yonkerfe916112016-03-14 14:54:37 -0500648 DataManager::Flush();
bigbiff25d25b92020-06-19 16:07:38 -0400649 Update_Log_File();
650
Dees_Troya58bead2012-09-27 09:49:29 -0400651 // Always force a sync before we reboot
Dees_Troy6ef66352013-02-21 08:26:57 -0600652 sync();
Dees_Troya58bead2012-09-27 09:49:29 -0400653
Dees_Troy2673cec2013-04-02 20:22:16 +0000654 switch (command) {
655 case rb_current:
656 case rb_system:
Dees_Troy2673cec2013-04-02 20:22:16 +0000657 Update_Intent_File("s");
658 sync();
bigbiffad58e1b2020-07-06 20:24:34 -0400659 check_and_run_script("/system/bin/rebootsystem.sh", "reboot system");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500660#ifdef ANDROID_RB_PROPERTY
661 return property_set(ANDROID_RB_PROPERTY, "reboot,");
662#elif defined(ANDROID_RB_RESTART)
663 return android_reboot(ANDROID_RB_RESTART, 0, 0);
664#else
Dees_Troy2673cec2013-04-02 20:22:16 +0000665 return reboot(RB_AUTOBOOT);
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500666#endif
Dees_Troy2673cec2013-04-02 20:22:16 +0000667 case rb_recovery:
bigbiffad58e1b2020-07-06 20:24:34 -0400668 check_and_run_script("/system/bin/rebootrecovery.sh", "reboot recovery");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500669 return property_set(ANDROID_RB_PROPERTY, "reboot,recovery");
Dees_Troy2673cec2013-04-02 20:22:16 +0000670 case rb_bootloader:
bigbiffad58e1b2020-07-06 20:24:34 -0400671 check_and_run_script("/system/bin/rebootbootloader.sh", "reboot bootloader");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500672 return property_set(ANDROID_RB_PROPERTY, "reboot,bootloader");
Dees_Troy2673cec2013-04-02 20:22:16 +0000673 case rb_poweroff:
bigbiffad58e1b2020-07-06 20:24:34 -0400674 check_and_run_script("/system/bin/poweroff.sh", "power off");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500675#ifdef ANDROID_RB_PROPERTY
676 return property_set(ANDROID_RB_PROPERTY, "shutdown,");
677#elif defined(ANDROID_RB_POWEROFF)
678 return android_reboot(ANDROID_RB_POWEROFF, 0, 0);
679#else
Dees_Troy2673cec2013-04-02 20:22:16 +0000680 return reboot(RB_POWER_OFF);
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500681#endif
Dees_Troy2673cec2013-04-02 20:22:16 +0000682 case rb_download:
bigbiffad58e1b2020-07-06 20:24:34 -0400683 check_and_run_script("/system/bin/rebootdownload.sh", "reboot download");
Ethan Yonkerbc2bc6b2015-03-24 21:37:52 -0500684 return property_set(ANDROID_RB_PROPERTY, "reboot,download");
mauronofrioe9a49ef2018-10-03 13:38:16 +0200685 case rb_edl:
bigbiffad58e1b2020-07-06 20:24:34 -0400686 check_and_run_script("/system/bin/rebootedl.sh", "reboot edl");
mauronofrioe9a49ef2018-10-03 13:38:16 +0200687 return property_set(ANDROID_RB_PROPERTY, "reboot,edl");
bigbiffdf8436b2020-08-30 16:22:34 -0400688 case rb_fastboot:
689 return property_set(ANDROID_RB_PROPERTY, "reboot,fastboot");
Dees_Troy2673cec2013-04-02 20:22:16 +0000690 default:
691 return -1;
Dees_Troy6ef66352013-02-21 08:26:57 -0600692 }
693 return -1;
Dees_Troya58bead2012-09-27 09:49:29 -0400694}
695
696void TWFunc::check_and_run_script(const char* script_file, const char* display_name)
697{
698 // Check for and run startup script if script exists
699 struct stat st;
700 if (stat(script_file, &st) == 0) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500701 gui_msg(Msg("run_script=Running {1} script...")(display_name));
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500702 chmod(script_file, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
Vojtech Bocek05534202013-09-11 08:11:56 +0200703 TWFunc::Exec_Cmd(script_file);
Ethan Yonker74db1572015-10-28 12:44:49 -0500704 gui_msg("done=Done.");
Dees_Troya58bead2012-09-27 09:49:29 -0400705 }
Dees_Troy3477d712012-09-27 15:44:01 -0400706}
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500707
708int TWFunc::removeDir(const string path, bool skipParent) {
Dees_Troyce675462013-01-09 19:48:21 +0000709 DIR *d = opendir(path.c_str());
710 int r = 0;
711 string new_path;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500712
Dees_Troyce675462013-01-09 19:48:21 +0000713 if (d == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500714 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(path)(strerror(errno)));
Dees_Troyce675462013-01-09 19:48:21 +0000715 return -1;
716 }
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500717
Dees_Troyce675462013-01-09 19:48:21 +0000718 if (d) {
719 struct dirent *p;
720 while (!r && (p = readdir(d))) {
Dees_Troyce675462013-01-09 19:48:21 +0000721 if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
722 continue;
723 new_path = path + "/";
724 new_path.append(p->d_name);
725 if (p->d_type == DT_DIR) {
726 r = removeDir(new_path, true);
727 if (!r) {
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500728 if (p->d_type == DT_DIR)
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500729 r = rmdir(new_path.c_str());
730 else
Dees_Troy2673cec2013-04-02 20:22:16 +0000731 LOGINFO("Unable to removeDir '%s': %s\n", new_path.c_str(), strerror(errno));
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500732 }
bigbiff bigbiff98f1f902013-01-19 18:46:13 -0500733 } 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 +0000734 r = unlink(new_path.c_str());
Dees_Troye34c1332013-02-06 19:13:00 +0000735 if (r != 0) {
Dees_Troy2673cec2013-04-02 20:22:16 +0000736 LOGINFO("Unable to unlink '%s: %s'\n", new_path.c_str(), strerror(errno));
Dees_Troye34c1332013-02-06 19:13:00 +0000737 }
Dees_Troyce675462013-01-09 19:48:21 +0000738 }
739 }
740 closedir(d);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500741
Matt Mowerfb1c4ff2014-04-16 13:43:36 -0500742 if (!r) {
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500743 if (skipParent)
744 return 0;
745 else
746 r = rmdir(path.c_str());
747 }
Dees_Troyce675462013-01-09 19:48:21 +0000748 }
749 return r;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500750}
751
752int TWFunc::copy_file(string src, string dst, int mode) {
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400753 PartitionManager.Mount_By_Path(src, false);
754 PartitionManager.Mount_By_Path(dst, false);
755 if (!Path_Exists(src)) {
bigbiffaac58612020-08-30 11:18:39 -0400756 LOGINFO("Path %s does not exist. Unable to copy %s\n", src.c_str(), dst.c_str());
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400757 return -1;
758 }
bigbiffd3317052019-12-22 16:05:12 -0500759 std::ifstream srcfile(src.c_str(), ios::binary);
760 std::ofstream dstfile(dst.c_str(), ios::binary);
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500761 dstfile << srcfile.rdbuf();
bigbiff bigbiffe3ad5342019-09-18 19:05:59 -0400762 if (!dstfile.bad()) {
763 LOGINFO("Copied file %s to %s\n", src.c_str(), dst.c_str());
764 }
765 else {
766 LOGINFO("Unable to copy file %s to %s\n", src.c_str(), dst.c_str());
767 return -1;
768 }
769
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500770 srcfile.close();
771 dstfile.close();
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500772 if (chmod(dst.c_str(), mode) != 0)
773 return -1;
bigbiff bigbiff9c754052013-01-09 09:09:08 -0500774 return 0;
775}
Dees_Troy3ee47bc2013-01-25 21:47:37 +0000776
777unsigned int TWFunc::Get_D_Type_From_Stat(string Path) {
778 struct stat st;
779
780 stat(Path.c_str(), &st);
781 if (st.st_mode & S_IFDIR)
782 return DT_DIR;
783 else if (st.st_mode & S_IFBLK)
784 return DT_BLK;
785 else if (st.st_mode & S_IFCHR)
786 return DT_CHR;
787 else if (st.st_mode & S_IFIFO)
788 return DT_FIFO;
789 else if (st.st_mode & S_IFLNK)
790 return DT_LNK;
791 else if (st.st_mode & S_IFREG)
792 return DT_REG;
793 else if (st.st_mode & S_IFSOCK)
794 return DT_SOCK;
795 return DT_UNKNOWN;
Dees_Troye34c1332013-02-06 19:13:00 +0000796}
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500797
798int TWFunc::read_file(string fn, string& results) {
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200799 ifstream file;
800 file.open(fn.c_str(), ios::in);
801
802 if (file.is_open()) {
803 file >> results;
804 file.close();
805 return 0;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500806 }
Vojtech Bocekfafb0c52013-07-25 22:53:02 +0200807
808 LOGINFO("Cannot find file %s\n", fn.c_str());
809 return -1;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500810}
811
812int TWFunc::read_file(string fn, vector<string>& results) {
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500813 ifstream file;
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500814 string line;
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500815 file.open(fn.c_str(), ios::in);
816 if (file.is_open()) {
bigbiff bigbiffcdcfee42013-02-27 21:11:26 -0500817 while (getline(file, line))
818 results.push_back(line);
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500819 file.close();
820 return 0;
821 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000822 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500823 return -1;
824}
825
xNUTxe85f02d2014-07-18 01:30:58 +0200826int TWFunc::read_file(string fn, uint64_t& results) {
827 ifstream file;
828 file.open(fn.c_str(), ios::in);
829
830 if (file.is_open()) {
831 file >> results;
832 file.close();
833 return 0;
834 }
835
836 LOGINFO("Cannot find file %s\n", fn.c_str());
837 return -1;
838}
839
Ethan Yonker6e8c27a2016-12-22 17:55:57 -0600840int TWFunc::write_to_file(const string& fn, const string& line) {
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500841 FILE *file;
842 file = fopen(fn.c_str(), "w");
843 if (file != NULL) {
844 fwrite(line.c_str(), line.size(), 1, file);
845 fclose(file);
846 return 0;
847 }
Dees_Troy2673cec2013-04-02 20:22:16 +0000848 LOGINFO("Cannot find file %s\n", fn.c_str());
bigbiff bigbiff8a68c312013-02-10 14:28:30 -0500849 return -1;
850}
851
Dees_Troy83bd4832013-05-04 12:39:56 +0000852bool TWFunc::Try_Decrypting_Backup(string Restore_Path, string Password) {
853 DIR* d;
854
855 string Filename;
856 Restore_Path += "/";
857 d = opendir(Restore_Path.c_str());
858 if (d == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -0500859 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Restore_Path)(strerror(errno)));
Dees_Troy83bd4832013-05-04 12:39:56 +0000860 return false;
861 }
862
863 struct dirent* de;
864 while ((de = readdir(d)) != NULL) {
865 Filename = Restore_Path;
866 Filename += de->d_name;
bigbiffce8f83c2015-12-12 18:30:21 -0500867 if (TWFunc::Get_File_Type(Filename) == ENCRYPTED) {
Dees_Troy83bd4832013-05-04 12:39:56 +0000868 if (TWFunc::Try_Decrypting_File(Filename, Password) < 2) {
869 DataManager::SetValue("tw_restore_password", ""); // Clear the bad password
870 DataManager::SetValue("tw_restore_display", ""); // Also clear the display mask
871 closedir(d);
872 return false;
873 }
874 }
875 }
876 closedir(d);
877 return true;
878}
879
Dees Troyb21cc642013-09-10 17:36:41 +0000880string TWFunc::Get_Current_Date() {
881 string Current_Date;
882 time_t seconds = time(0);
883 struct tm *t = localtime(&seconds);
884 char timestamp[255];
885 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);
886 Current_Date = timestamp;
887 return Current_Date;
888}
889
Ethan Yonkerb5557892014-02-07 21:43:20 -0600890string TWFunc::System_Property_Get(string Prop_Name) {
Chaosmaster65633a42020-02-05 15:24:09 +0100891 return System_Property_Get(Prop_Name, PartitionManager, PartitionManager.Get_Android_Root_Path());
892}
893
894string TWFunc::System_Property_Get(string Prop_Name, TWPartitionManager &PartitionManager, string Mount_Point) {
895 bool mount_state = PartitionManager.Is_Mounted_By_Path(Mount_Point);
Dees Troyb21cc642013-09-10 17:36:41 +0000896 std::vector<string> buildprop;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600897 string propvalue;
Chaosmaster65633a42020-02-05 15:24:09 +0100898 if (!PartitionManager.Mount_By_Path(Mount_Point, true))
Ethan Yonkerb5557892014-02-07 21:43:20 -0600899 return propvalue;
Chaosmaster65633a42020-02-05 15:24:09 +0100900 string prop_file = Mount_Point + "/build.prop";
Ethan Yonkerb4bff5e2016-12-16 07:47:58 -0600901 if (!TWFunc::Path_Exists(prop_file))
Chaosmaster65633a42020-02-05 15:24:09 +0100902 prop_file = Mount_Point + "/system/build.prop"; // for devices with system as a root file system (e.g. Pixel)
Ethan Yonkerb4bff5e2016-12-16 07:47:58 -0600903 if (TWFunc::read_file(prop_file, buildprop) != 0) {
Captain Throwback9d6feb52018-07-27 10:05:24 -0400904 LOGINFO("Unable to open build.prop for getting '%s'.\n", Prop_Name.c_str());
Vojtech Boceka2e70162013-09-17 17:05:10 +0200905 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
Dees Troyb21cc642013-09-10 17:36:41 +0000906 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100907 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600908 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +0000909 }
910 int line_count = buildprop.size();
911 int index;
912 size_t start_pos = 0, end_pos;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600913 string propname;
Dees Troyb21cc642013-09-10 17:36:41 +0000914 for (index = 0; index < line_count; index++) {
915 end_pos = buildprop.at(index).find("=", start_pos);
916 propname = buildprop.at(index).substr(start_pos, end_pos);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600917 if (propname == Prop_Name) {
Dees Troyb21cc642013-09-10 17:36:41 +0000918 propvalue = buildprop.at(index).substr(end_pos + 1, buildprop.at(index).size());
Ethan Yonkerb5557892014-02-07 21:43:20 -0600919 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100920 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600921 return propvalue;
Dees Troyb21cc642013-09-10 17:36:41 +0000922 }
923 }
Dees Troyb21cc642013-09-10 17:36:41 +0000924 if (!mount_state)
Chaosmaster65633a42020-02-05 15:24:09 +0100925 PartitionManager.UnMount_By_Path(Mount_Point, false);
Ethan Yonkerb5557892014-02-07 21:43:20 -0600926 return propvalue;
927}
928
929void TWFunc::Auto_Generate_Backup_Name() {
930 string propvalue = System_Property_Get("ro.build.display.id");
931 if (propvalue.empty()) {
932 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
933 return;
934 }
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -0400935 else {
936 //remove periods from build display so it doesn't confuse the extension code
937 propvalue.erase(remove(propvalue.begin(), propvalue.end(), '.'), propvalue.end());
938 }
Ethan Yonkerb5557892014-02-07 21:43:20 -0600939 string Backup_Name = Get_Current_Date();
bigbiff74a6d0d2015-02-14 20:49:44 -0500940 Backup_Name += "_" + propvalue;
Ethan Yonkerb5557892014-02-07 21:43:20 -0600941 if (Backup_Name.size() > MAX_BACKUP_NAME_LEN)
942 Backup_Name.resize(MAX_BACKUP_NAME_LEN);
943 // Trailing spaces cause problems on some file systems, so remove them
944 string space_check, space = " ";
945 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
946 while (space_check == space) {
947 Backup_Name.resize(Backup_Name.size() - 1);
948 space_check = Backup_Name.substr(Backup_Name.size() - 1, 1);
949 }
bigbiff74a6d0d2015-02-14 20:49:44 -0500950 replace(Backup_Name.begin(), Backup_Name.end(), ' ', '_');
Ethan Yonker53796e72019-01-11 22:49:52 -0600951 if (PartitionManager.Check_Backup_Name(Backup_Name, false, true) != 0) {
952 LOGINFO("Auto generated backup name '%s' is not valid, using date instead.\n", Backup_Name.c_str());
Ethan Yonker92d48e02014-02-26 12:05:55 -0600953 DataManager::SetValue(TW_BACKUP_NAME, Get_Current_Date());
Ethan Yonker53796e72019-01-11 22:49:52 -0600954 } else {
955 DataManager::SetValue(TW_BACKUP_NAME, Backup_Name);
Ethan Yonker92d48e02014-02-26 12:05:55 -0600956 }
Vojtech Bocek05534202013-09-11 08:11:56 +0200957}
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100958
nkk7198fc3992017-12-16 16:26:42 +0200959void TWFunc::Fixup_Time_On_Boot(const string& time_paths /* = "" */)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100960{
961#ifdef QCOM_RTC_FIX
nkk7198fc3992017-12-16 16:26:42 +0200962 static bool fixed = false;
963 if (fixed)
964 return;
xNUTxe85f02d2014-07-18 01:30:58 +0200965
966 LOGINFO("TWFunc::Fixup_Time: Pre-fix date and time: %s\n", TWFunc::Get_Current_Date().c_str());
967
968 struct timeval tv;
969 uint64_t offset = 0;
970 std::string sepoch = "/sys/class/rtc/rtc0/since_epoch";
971
972 if (TWFunc::read_file(sepoch, offset) == 0) {
973
974 LOGINFO("TWFunc::Fixup_Time: Setting time offset from file %s\n", sepoch.c_str());
975
976 tv.tv_sec = offset;
977 tv.tv_usec = 0;
978 settimeofday(&tv, NULL);
979
980 gettimeofday(&tv, NULL);
981
Phoenix59146b05f22018-02-03 06:41:08 +0000982 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 +0200983
984 LOGINFO("TWFunc::Fixup_Time: Date and time corrected: %s\n", TWFunc::Get_Current_Date().c_str());
nkk7198fc3992017-12-16 16:26:42 +0200985 fixed = true;
xNUTxe85f02d2014-07-18 01:30:58 +0200986 return;
987
988 }
989
990 } else {
991
992 LOGINFO("TWFunc::Fixup_Time: opening %s failed\n", sepoch.c_str());
993
994 }
995
Ethan Yonker9132d912015-02-02 10:32:49 -0600996 LOGINFO("TWFunc::Fixup_Time: will attempt to use the ats files now.\n");
xNUTxe85f02d2014-07-18 01:30:58 +0200997
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +0100998 // Devices with Qualcomm Snapdragon 800 do some shenanigans with RTC.
999 // They never set it, it just ticks forward from 1970-01-01 00:00,
1000 // and then they have files /data/system/time/ats_* with 64bit offset
1001 // in miliseconds which, when added to the RTC, gives the correct time.
1002 // So, the time is: (offset_from_ats + value_from_RTC)
1003 // There are multiple ats files, they are for different systems? Bases?
1004 // Like, ats_1 is for modem and ats_2 is for TOD (time of day?).
1005 // Look at file time_genoff.h in CodeAurora, qcom-opensource/time-services
1006
nkk7198fc3992017-12-16 16:26:42 +02001007 std::vector<std::string> paths; // space separated list of paths
1008 if (time_paths.empty()) {
Mauronofrio Matarrese2dab70d2019-03-05 02:22:26 +01001009 paths = Split_String("/data/system/time/ /data/time/ /data/vendor/time/", " ");
nkk7198fc3992017-12-16 16:26:42 +02001010 if (!PartitionManager.Mount_By_Path("/data", false))
1011 return;
1012 } else {
1013 // When specific path(s) are used, Fixup_Time needs those
1014 // partitions to already be mounted!
1015 paths = Split_String(time_paths, " ");
1016 }
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001017
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001018 FILE *f;
xNUTxe85f02d2014-07-18 01:30:58 +02001019 offset = 0;
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001020 struct dirent *dt;
1021 std::string ats_path;
1022
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001023 // Prefer ats_2, it seems to be the one we want according to logcat on hammerhead
1024 // - it is the one for ATS_TOD (time of day?).
1025 // However, I never saw a device where the offset differs between ats files.
nkk7198fc3992017-12-16 16:26:42 +02001026 for (size_t i = 0; i < paths.size(); ++i)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001027 {
nkk7198fc3992017-12-16 16:26:42 +02001028 DIR *d = opendir(paths[i].c_str());
Matt Mowera8a89d12016-12-30 18:10:37 -06001029 if (!d)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001030 continue;
1031
Matt Mowera8a89d12016-12-30 18:10:37 -06001032 while ((dt = readdir(d)))
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001033 {
Matt Mowera8a89d12016-12-30 18:10:37 -06001034 if (dt->d_type != DT_REG || strncmp(dt->d_name, "ats_", 4) != 0)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001035 continue;
1036
Matt Mowera8a89d12016-12-30 18:10:37 -06001037 if (ats_path.empty() || strcmp(dt->d_name, "ats_2") == 0)
nkk7198fc3992017-12-16 16:26:42 +02001038 ats_path = paths[i] + dt->d_name;
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001039 }
1040
1041 closedir(d);
1042 }
1043
nkk7198fc3992017-12-16 16:26:42 +02001044 if (ats_path.empty()) {
xNUTxe85f02d2014-07-18 01:30:58 +02001045 LOGINFO("TWFunc::Fixup_Time: no ats files found, leaving untouched!\n");
nkk7198fc3992017-12-16 16:26:42 +02001046 } else if ((f = fopen(ats_path.c_str(), "r")) == NULL) {
Dees Troy3e254b92014-03-06 20:24:54 +00001047 LOGINFO("TWFunc::Fixup_Time: failed to open file %s\n", ats_path.c_str());
nkk7198fc3992017-12-16 16:26:42 +02001048 } else if (fread(&offset, sizeof(offset), 1, f) != 1) {
Dees Troy3e254b92014-03-06 20:24:54 +00001049 LOGINFO("TWFunc::Fixup_Time: failed load uint64 from file %s\n", ats_path.c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001050 fclose(f);
nkk7198fc3992017-12-16 16:26:42 +02001051 } else {
1052 fclose(f);
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001053
nkk7198fc3992017-12-16 16:26:42 +02001054 LOGINFO("TWFunc::Fixup_Time: Setting time offset from file %s, offset %llu\n", ats_path.c_str(), (unsigned long long) offset);
1055 DataManager::SetValue("tw_qcom_ats_offset", (unsigned long long) offset, 1);
1056 fixed = true;
1057 }
1058
1059 if (!fixed) {
1060 // Failed to get offset from ats file, check twrp settings
1061 unsigned long long value;
1062 if (DataManager::GetValue("tw_qcom_ats_offset", value) < 0) {
1063 return;
1064 } else {
1065 offset = (uint64_t) value;
1066 LOGINFO("TWFunc::Fixup_Time: Setting time offset from twrp setting file, offset %llu\n", (unsigned long long) offset);
1067 // Do not consider the settings file as a definitive answer, keep fixed=false so next run will try ats files again
1068 }
1069 }
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001070
1071 gettimeofday(&tv, NULL);
1072
1073 tv.tv_sec += offset/1000;
Phoenix591e444d112018-02-03 07:23:54 +00001074#ifdef TW_CLOCK_OFFSET
1075// Some devices are even quirkier and have ats files that are offset from the actual time
1076 tv.tv_sec = tv.tv_sec + TW_CLOCK_OFFSET;
1077#endif
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001078 tv.tv_usec += (offset%1000)*1000;
1079
Matt Mowera8a89d12016-12-30 18:10:37 -06001080 while (tv.tv_usec >= 1000000)
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001081 {
1082 ++tv.tv_sec;
1083 tv.tv_usec -= 1000000;
1084 }
1085
1086 settimeofday(&tv, NULL);
xNUTxe85f02d2014-07-18 01:30:58 +02001087
1088 LOGINFO("TWFunc::Fixup_Time: Date and time corrected: %s\n", TWFunc::Get_Current_Date().c_str());
Vojtech Bocekd0e38bc2014-02-03 23:36:57 +01001089#endif
1090}
Ethan Yonkeraf2897c2014-02-10 13:07:14 -06001091
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001092std::vector<std::string> TWFunc::Split_String(const std::string& str, const std::string& delimiter, bool removeEmpty)
1093{
1094 std::vector<std::string> res;
1095 size_t idx = 0, idx_last = 0;
1096
Matt Mowera8a89d12016-12-30 18:10:37 -06001097 while (idx < str.size())
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001098 {
1099 idx = str.find_first_of(delimiter, idx_last);
Matt Mowera8a89d12016-12-30 18:10:37 -06001100 if (idx == std::string::npos)
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001101 idx = str.size();
1102
Matt Mowera8a89d12016-12-30 18:10:37 -06001103 if (idx-idx_last != 0 || !removeEmpty)
Vojtech Bocek0b7fe502014-03-13 17:36:52 +01001104 res.push_back(str.substr(idx_last, idx-idx_last));
1105
1106 idx_last = idx + delimiter.size();
1107 }
1108
1109 return res;
1110}
1111
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001112bool TWFunc::Create_Dir_Recursive(const std::string& path, mode_t mode, uid_t uid, gid_t gid)
1113{
1114 std::vector<std::string> parts = Split_String(path, "/");
1115 std::string cur_path;
1116 struct stat info;
Matt Mowera8a89d12016-12-30 18:10:37 -06001117 for (size_t i = 0; i < parts.size(); ++i)
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001118 {
1119 cur_path += "/" + parts[i];
Matt Mowera8a89d12016-12-30 18:10:37 -06001120 if (stat(cur_path.c_str(), &info) < 0 || !S_ISDIR(info.st_mode))
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001121 {
Matt Mowera8a89d12016-12-30 18:10:37 -06001122 if (mkdir(cur_path.c_str(), mode) < 0)
Vojtech Bocek03fd6c52014-03-13 18:46:34 +01001123 return false;
1124 chown(cur_path.c_str(), uid, gid);
1125 }
1126 }
1127 return true;
1128}
1129
xNUTxe85f02d2014-07-18 01:30:58 +02001130int TWFunc::Set_Brightness(std::string brightness_value)
1131{
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001132 int result = -1;
1133 std::string secondary_brightness_file;
xNUTxe85f02d2014-07-18 01:30:58 +02001134
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001135 if (DataManager::GetIntValue("tw_has_brightnesss_file")) {
xNUTxe85f02d2014-07-18 01:30:58 +02001136 LOGINFO("TWFunc::Set_Brightness: Setting brightness control to %s\n", brightness_value.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001137 result = TWFunc::write_to_file(DataManager::GetStrValue("tw_brightness_file"), brightness_value);
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001138 DataManager::GetValue("tw_secondary_brightness_file", secondary_brightness_file);
1139 if (!secondary_brightness_file.empty()) {
1140 LOGINFO("TWFunc::Set_Brightness: Setting secondary brightness control to %s\n", brightness_value.c_str());
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001141 TWFunc::write_to_file(secondary_brightness_file, brightness_value);
xNUTxe85f02d2014-07-18 01:30:58 +02001142 }
xNUTxe85f02d2014-07-18 01:30:58 +02001143 }
Tatsuyuki Ishi548a1752015-12-28 10:08:58 +09001144 return result;
xNUTxe85f02d2014-07-18 01:30:58 +02001145}
1146
bigbiff bigbiffc7eee6f2014-09-02 18:59:01 -04001147bool TWFunc::Toggle_MTP(bool enable) {
1148#ifdef TW_HAS_MTP
1149 static int was_enabled = false;
1150
1151 if (enable && was_enabled) {
1152 if (!PartitionManager.Enable_MTP())
1153 PartitionManager.Disable_MTP();
1154 } else {
1155 was_enabled = DataManager::GetIntValue("tw_mtp_enabled");
1156 PartitionManager.Disable_MTP();
1157 usleep(500);
1158 }
1159 return was_enabled;
1160#else
1161 return false;
1162#endif
1163}
1164
Tom Hite5a926722014-09-15 01:31:03 +00001165void TWFunc::SetPerformanceMode(bool mode) {
1166 if (mode) {
1167 property_set("recovery.perf.mode", "1");
1168 } else {
1169 property_set("recovery.perf.mode", "0");
1170 }
1171 // Some time for events to catch up to init handlers
1172 usleep(500000);
1173}
1174
Jenkins1710bf22014-10-02 20:22:21 -04001175std::string TWFunc::to_string(unsigned long value) {
1176 std::ostringstream os;
1177 os << value;
1178 return os.str();
1179}
1180
Ethan Yonker9132d912015-02-02 10:32:49 -06001181void TWFunc::Disable_Stock_Recovery_Replace(void) {
Captain Throwback9d6feb52018-07-27 10:05:24 -04001182 if (PartitionManager.Mount_By_Path(PartitionManager.Get_Android_Root_Path(), false)) {
Ethan Yonker9132d912015-02-02 10:32:49 -06001183 // Disable flashing of stock recovery
1184 if (TWFunc::Path_Exists("/system/recovery-from-boot.p")) {
1185 rename("/system/recovery-from-boot.p", "/system/recovery-from-boot.bak");
Ethan Yonker74db1572015-10-28 12:44:49 -05001186 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 -06001187 sync();
1188 }
Captain Throwback9d6feb52018-07-27 10:05:24 -04001189 PartitionManager.UnMount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
Ethan Yonker9132d912015-02-02 10:32:49 -06001190 }
1191}
1192
Ethan Yonker483e9f42016-01-11 22:21:18 -06001193unsigned long long TWFunc::IOCTL_Get_Block_Size(const char* block_device) {
1194 unsigned long block_device_size;
1195 int ret = 0;
1196
1197 int fd = open(block_device, O_RDONLY);
1198 if (fd < 0) {
1199 LOGINFO("Find_Partition_Size: Failed to open '%s', (%s)\n", block_device, strerror(errno));
1200 } else {
1201 ret = ioctl(fd, BLKGETSIZE, &block_device_size);
1202 close(fd);
1203 if (ret) {
1204 LOGINFO("Find_Partition_Size: ioctl error: (%s)\n", strerror(errno));
1205 } else {
1206 return (unsigned long long)(block_device_size) * 512LLU;
1207 }
1208 }
1209 return 0;
1210}
1211
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001212void TWFunc::copy_kernel_log(string curr_storage) {
1213 std::string dmesgDst = curr_storage + "/dmesg.log";
bigbiffad58e1b2020-07-06 20:24:34 -04001214 std::string dmesgCmd = "/system/bin/dmesg";
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001215
1216 std::string result;
bigbiffad58e1b2020-07-06 20:24:34 -04001217 Exec_Cmd(dmesgCmd, result, false);
Ethan Yonker6e8c27a2016-12-22 17:55:57 -06001218 write_to_file(dmesgDst, result);
bigbiff bigbiffbad332a2016-07-29 21:18:13 -04001219 gui_msg(Msg("copy_kernel_log=Copied kernel log to {1}")(dmesgDst));
1220 tw_set_default_metadata(dmesgDst.c_str());
1221}
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04001222
1223bool TWFunc::isNumber(string strtocheck) {
1224 int num = 0;
1225 std::istringstream iss(strtocheck);
1226
1227 if (!(iss >> num).fail())
1228 return true;
1229 else
1230 return false;
1231}
1232
1233int TWFunc::stream_adb_backup(string &Restore_Name) {
bigbiffad58e1b2020-07-06 20:24:34 -04001234 string cmd = "/system/bin/bu --twrp stream " + Restore_Name;
bigbiff bigbiff19fb79c2016-09-05 21:04:51 -04001235 LOGINFO("stream_adb_backup: %s\n", cmd.c_str());
1236 int ret = TWFunc::Exec_Cmd(cmd);
1237 if (ret != 0)
1238 return -1;
1239 return ret;
1240}
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001241
bigbiff25d25b92020-06-19 16:07:38 -04001242std::string TWFunc::get_log_dir() {
1243 if (PartitionManager.Find_Partition_By_Path(CACHE_LOGS_DIR) == NULL) {
1244 if (PartitionManager.Find_Partition_By_Path(DATA_LOGS_DIR) == NULL) {
bigbiffaac58612020-08-30 11:18:39 -04001245 LOGINFO("Unable to find a directory to store TWRP logs.");
1246 return "";
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -04001247 } else {
bigbiff25d25b92020-06-19 16:07:38 -04001248 return DATA_LOGS_DIR;
bigbiff bigbiffe4bdb152019-03-23 18:33:17 -04001249 }
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001250 }
1251 else {
bigbiff25d25b92020-06-19 16:07:38 -04001252 return CACHE_LOGS_DIR;
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001253 }
1254}
1255
1256void TWFunc::check_selinux_support() {
1257 if (TWFunc::Path_Exists("/prebuilt_file_contexts")) {
1258 if (TWFunc::Path_Exists("/file_contexts")) {
1259 printf("Renaming regular /file_contexts -> /file_contexts.bak\n");
1260 rename("/file_contexts", "/file_contexts.bak");
1261 }
1262 printf("Moving /prebuilt_file_contexts -> /file_contexts\n");
1263 rename("/prebuilt_file_contexts", "/file_contexts");
1264 }
1265 struct selinux_opt selinux_options[] = {
1266 { SELABEL_OPT_PATH, "/file_contexts" }
1267 };
1268 selinux_handle = selabel_open(SELABEL_CTX_FILE, selinux_options, 1);
1269 if (!selinux_handle)
1270 printf("No file contexts for SELinux\n");
1271 else
1272 printf("SELinux contexts loaded from /file_contexts\n");
1273 { // Check to ensure SELinux can be supported by the kernel
1274 char *contexts = NULL;
bigbiff25d25b92020-06-19 16:07:38 -04001275 std::string cacheDir = TWFunc::get_log_dir();
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001276 std::string se_context_check = cacheDir + "recovery/";
1277 int ret = 0;
1278
bigbiff25d25b92020-06-19 16:07:38 -04001279 if (cacheDir == CACHE_LOGS_DIR) {
1280 PartitionManager.Mount_By_Path(CACHE_LOGS_DIR, false);
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001281 }
1282 if (TWFunc::Path_Exists(se_context_check)) {
1283 ret = lgetfilecon(se_context_check.c_str(), &contexts);
Makornthawat Emeryabc299c2019-03-29 13:45:22 +00001284 if (ret < 0) {
bigbiffad58e1b2020-07-06 20:24:34 -04001285 LOGINFO("Could not check %s SELinux contexts, using /system/bin/teamwin instead which may be inaccurate.\n", se_context_check.c_str());
1286 lgetfilecon("/system/bin/teamwin", &contexts);
bigbiff bigbiff19874f12019-01-08 20:06:57 -05001287 }
1288 }
1289 if (ret < 0) {
1290 gui_warn("no_kernel_selinux=Kernel does not have support for reading SELinux contexts.");
1291 } else {
1292 free(contexts);
1293 gui_msg("full_selinux=Full SELinux support is present.");
1294 }
1295 }
1296}
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001297
1298bool TWFunc::Is_TWRP_App_In_System() {
bigbiffee7b7ff2020-03-23 15:08:27 -04001299 LOGINFO("checking for twrp app\n");
1300 TWPartition* sys = PartitionManager.Find_Partition_By_Path(PartitionManager.Get_Android_Root_Path());
1301 if (!sys->Get_Super_Status()) {
Captain Throwback31c14922020-12-21 11:28:34 -05001302 bool is_system_mounted = true;
1303 if(!PartitionManager.Is_Mounted_By_Path(PartitionManager.Get_Android_Root_Path())) {
1304 is_system_mounted = false;
1305 PartitionManager.Mount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001306 }
Captain Throwback31c14922020-12-21 11:28:34 -05001307 string base_path = PartitionManager.Get_Android_Root_Path();
1308 if (TWFunc::Path_Exists(PartitionManager.Get_Android_Root_Path() + "/system"))
1309 base_path += "/system"; // For devices with system as a root file system (e.g. Pixel)
1310 string install_path = base_path + "/priv-app";
1311 if (!TWFunc::Path_Exists(install_path))
1312 install_path = base_path + "/app";
1313 install_path += "/twrpapp";
1314 if (TWFunc::Path_Exists(install_path)) {
1315 LOGINFO("App found at '%s'\n", install_path.c_str());
1316 DataManager::SetValue("tw_app_installed_in_system", 1);
1317 return true;
1318 }
1319 if (!is_system_mounted)
1320 PartitionManager.UnMount_By_Path(PartitionManager.Get_Android_Root_Path(), false);
bigbiffee7b7ff2020-03-23 15:08:27 -04001321 DataManager::SetValue("tw_app_installed_in_system", 0);
Ethan Yonker76bbd3a2019-05-10 10:50:04 -05001322 }
1323 DataManager::SetValue("tw_app_installed_in_system", 0);
1324 return false;
1325}
Chaosmaster461e39f2020-02-07 01:48:13 +01001326
epicX271bb3a2020-12-30 01:03:18 +05301327void TWFunc::checkforapp(){
1328
1329 string sdkverstr = System_Property_Get("ro.build.version.sdk");
1330 int sdkver = 0;
1331 if (!sdkverstr.empty()) {
1332 sdkver = atoi(sdkverstr.c_str());
1333 }
1334 if (sdkver <= 13) {
1335 if (sdkver == 0)
1336 LOGINFO("Unable to read sdk version from build prop\n");
1337 else
1338 LOGINFO("SDK version too low for TWRP app (%i < 14)\n", sdkver);
1339 DataManager::SetValue("tw_app_install_status", 1); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1340 goto exit;
1341 }
1342 if (Is_TWRP_App_In_System()) {
1343 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1344 goto exit;
1345 }
1346 if (PartitionManager.Mount_By_Path("/data", false)) {
1347 const char parent_path[] = "/data/app";
1348 const char app_prefix[] = "me.twrp.twrpapp-";
1349 DIR *d = opendir(parent_path);
1350 if (d) {
1351 struct dirent *p;
1352 while ((p = readdir(d))) {
1353 if (p->d_type != DT_DIR || strlen(p->d_name) < strlen(app_prefix) || strncmp(p->d_name, app_prefix, strlen(app_prefix)))
1354 continue;
1355 closedir(d);
1356 LOGINFO("App found at '%s/%s'\n", parent_path, p->d_name);
1357 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1358 goto exit;
1359 }
1360 closedir(d);
1361 }
1362 } else {
1363 LOGINFO("Data partition cannot be mounted during app check\n");
1364 DataManager::SetValue("tw_app_install_status", 2); // 0 = no status, 1 = not installed, 2 = already installed or do not install
1365 }
1366
1367 LOGINFO("App not installed\n");
1368 DataManager::SetValue("tw_app_install_status", 1); // 0 = no status, 1 = not installed, 2 = already installed
1369exit:
1370 return;
1371
1372}
1373
Chaosmaster461e39f2020-02-07 01:48:13 +01001374int TWFunc::Property_Override(string Prop_Name, string Prop_Value) {
1375#ifdef TW_INCLUDE_LIBRESETPROP
1376 return setprop(Prop_Name.c_str(), Prop_Value.c_str(), false);
1377#else
1378 return -2;
1379#endif
1380}
1381
bigbiffee7b7ff2020-03-23 15:08:27 -04001382void TWFunc::List_Mounts() {
1383 std::vector<std::string> mounts;
1384 read_file("/proc/mounts", mounts);
1385 LOGINFO("Mounts:\n");
1386 for (auto&& mount: mounts) {
1387 LOGINFO("%s\n", mount.c_str());
1388 }
1389}
1390
bigbiff7ba75002020-04-11 20:47:09 -04001391bool TWFunc::Get_Encryption_Policy(fscrypt_encryption_policy &policy, std::string path) {
1392 if (!TWFunc::Path_Exists(path)) {
1393 LOGERR("Unable to find %s to get policy\n", path.c_str());
1394 return false;
1395 }
1396 if (!fscrypt_policy_get_struct(path.c_str(), &policy)) {
1397 LOGERR("No policy set for path %s\n", path.c_str());
1398 return false;
1399 }
1400 return true;
1401}
1402
1403bool TWFunc::Set_Encryption_Policy(std::string path, const fscrypt_encryption_policy &policy) {
1404 if (!TWFunc::Path_Exists(path)) {
1405 LOGERR("unable to find %s to set policy\n", path.c_str());
1406 return false;
1407 }
1408 uint8_t binary_policy[FS_KEY_DESCRIPTOR_SIZE];
1409 char policy_hex[FS_KEY_DESCRIPTOR_SIZE_HEX];
1410 policy_to_hex(binary_policy, policy_hex);
1411 if (!fscrypt_policy_set_struct(path.c_str(), &policy)) {
1412 LOGERR("unable to set policy for path: %s\n", path.c_str());
1413 return false;
1414 }
1415 return true;
1416}
Ethan Yonkeraf2897c2014-02-10 13:07:14 -06001417#endif // ndef BUILD_TWRPTAR_MAIN