blob: a65b32d813ce9577452f3f61d9410ad795409284 [file] [log] [blame]
Doug Zongker9931f7f2009-06-10 14:11:53 -07001/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Doug Zongkerfbf3c102009-06-24 09:36:20 -070017#include <ctype.h>
Doug Zongker9931f7f2009-06-10 14:11:53 -070018#include <errno.h>
19#include <stdarg.h>
Doug Zongkerfbf3c102009-06-24 09:36:20 -070020#include <stdio.h>
Doug Zongker9931f7f2009-06-10 14:11:53 -070021#include <stdlib.h>
22#include <string.h>
23#include <sys/mount.h>
24#include <sys/stat.h>
25#include <sys/types.h>
Doug Zongkera3f89ea2009-09-10 14:10:48 -070026#include <sys/wait.h>
Doug Zongker9931f7f2009-06-10 14:11:53 -070027#include <unistd.h>
Hristo Bojinovdb314d62010-08-02 10:29:49 -070028#include <fcntl.h>
29#include <time.h>
Nick Kralevich5dbdef02013-09-07 14:41:06 -070030#include <ftw.h>
31#include <sys/capability.h>
32#include <sys/xattr.h>
33#include <linux/xattr.h>
34#include <inttypes.h>
Doug Zongker9931f7f2009-06-10 14:11:53 -070035
Yabin Cui64be2132016-02-03 18:16:02 -080036#include <memory>
37#include <vector>
38
Elliott Hughes4b166f02015-12-04 15:30:20 -080039#include <android-base/parseint.h>
40#include <android-base/strings.h>
41#include <android-base/stringprintf.h>
Elliott Hughes4bbd5bf2016-04-01 18:24:39 -070042#include <selinux/label.h>
43#include <selinux/selinux.h>
Tao Bao1107d962015-09-09 17:16:55 -070044
Doug Zongkerc87bab12013-11-25 13:53:25 -080045#include "bootloader.h"
46#include "applypatch/applypatch.h"
47#include "cutils/android_reboot.h"
Doug Zongker8edb00c2009-06-11 17:21:44 -070048#include "cutils/misc.h"
49#include "cutils/properties.h"
Doug Zongker9931f7f2009-06-10 14:11:53 -070050#include "edify/expr.h"
Tianjie Xu16255832016-04-30 11:49:59 -070051#include "error_code.h"
Doug Zongker9931f7f2009-06-10 14:11:53 -070052#include "minzip/DirUtil.h"
53#include "mtdutils/mounts.h"
54#include "mtdutils/mtdutils.h"
Tianjie Xu16255832016-04-30 11:49:59 -070055#include "openssl/sha.h"
Jed Estep39c1b5e2015-12-15 16:04:53 -080056#include "ota_io.h"
Doug Zongker9931f7f2009-06-10 14:11:53 -070057#include "updater.h"
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -080058#include "install.h"
Michael Rungeacf47db2014-11-21 00:12:28 -080059#include "tune2fs.h"
Doug Zongker8edb00c2009-06-11 17:21:44 -070060
Doug Zongker3d177d02010-07-01 09:18:44 -070061#ifdef USE_EXT4
62#include "make_ext4fs.h"
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -080063#include "wipe.h"
Doug Zongker3d177d02010-07-01 09:18:44 -070064#endif
65
Tao Bao1107d962015-09-09 17:16:55 -070066// Send over the buffer to recovery though the command pipe.
67static void uiPrint(State* state, const std::string& buffer) {
68 UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
Tao Baob6918c72015-05-19 17:02:16 -070069
Tao Bao1107d962015-09-09 17:16:55 -070070 // "line1\nline2\n" will be split into 3 tokens: "line1", "line2" and "".
71 // So skip sending empty strings to UI.
72 std::vector<std::string> lines = android::base::Split(buffer, "\n");
73 for (auto& line: lines) {
74 if (!line.empty()) {
75 fprintf(ui->cmd_pipe, "ui_print %s\n", line.c_str());
76 fprintf(ui->cmd_pipe, "ui_print\n");
77 }
78 }
79
80 // On the updater side, we need to dump the contents to stderr (which has
81 // been redirected to the log file). Because the recovery will only print
82 // the contents to screen when processing pipe command ui_print.
83 fprintf(stderr, "%s", buffer.c_str());
Michael Runged4a63422014-10-22 19:48:41 -070084}
85
86__attribute__((__format__(printf, 2, 3))) __nonnull((2))
87void uiPrintf(State* state, const char* format, ...) {
Tao Bao1107d962015-09-09 17:16:55 -070088 std::string error_msg;
89
Michael Runged4a63422014-10-22 19:48:41 -070090 va_list ap;
91 va_start(ap, format);
Tao Bao1107d962015-09-09 17:16:55 -070092 android::base::StringAppendV(&error_msg, format, ap);
Michael Runged4a63422014-10-22 19:48:41 -070093 va_end(ap);
Tao Bao1107d962015-09-09 17:16:55 -070094
Michael Runged4a63422014-10-22 19:48:41 -070095 uiPrint(state, error_msg);
96}
97
Doug Zongker52b40362014-02-10 15:30:30 -080098// Take a sha-1 digest and return it as a newly-allocated hex string.
Doug Zongkerbc7ffed2014-08-15 14:31:52 -070099char* PrintSha1(const uint8_t* digest) {
Sen Jiangc48cb5e2016-02-04 16:23:21 +0800100 char* buffer = reinterpret_cast<char*>(malloc(SHA_DIGEST_LENGTH*2 + 1));
Doug Zongker52b40362014-02-10 15:30:30 -0800101 const char* alphabet = "0123456789abcdef";
Tao Baoba9a42a2015-06-23 23:23:33 -0700102 size_t i;
Sen Jiangc48cb5e2016-02-04 16:23:21 +0800103 for (i = 0; i < SHA_DIGEST_LENGTH; ++i) {
Doug Zongker52b40362014-02-10 15:30:30 -0800104 buffer[i*2] = alphabet[(digest[i] >> 4) & 0xf];
105 buffer[i*2+1] = alphabet[digest[i] & 0xf];
106 }
107 buffer[i*2] = '\0';
108 return buffer;
109}
110
Doug Zongker3d177d02010-07-01 09:18:44 -0700111// mount(fs_type, partition_type, location, mount_point)
Doug Zongker9931f7f2009-06-10 14:11:53 -0700112//
Doug Zongker3d177d02010-07-01 09:18:44 -0700113// fs_type="yaffs2" partition_type="MTD" location=partition
114// fs_type="ext4" partition_type="EMMC" location=device
Doug Zongker512536a2010-02-17 16:11:44 -0800115Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700116 char* result = NULL;
Michael Runge168f7772014-10-22 17:05:08 -0700117 if (argc != 4 && argc != 5) {
Tianjie Xu16255832016-04-30 11:49:59 -0700118 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 4-5 args, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700119 }
Doug Zongker3d177d02010-07-01 09:18:44 -0700120 char* fs_type;
121 char* partition_type;
Doug Zongker9931f7f2009-06-10 14:11:53 -0700122 char* location;
123 char* mount_point;
Michael Runge168f7772014-10-22 17:05:08 -0700124 char* mount_options;
125 bool has_mount_options;
126 if (argc == 5) {
127 has_mount_options = true;
128 if (ReadArgs(state, argv, 5, &fs_type, &partition_type,
129 &location, &mount_point, &mount_options) < 0) {
130 return NULL;
131 }
132 } else {
133 has_mount_options = false;
134 if (ReadArgs(state, argv, 4, &fs_type, &partition_type,
Doug Zongker3d177d02010-07-01 09:18:44 -0700135 &location, &mount_point) < 0) {
Michael Runge168f7772014-10-22 17:05:08 -0700136 return NULL;
137 }
Doug Zongker9931f7f2009-06-10 14:11:53 -0700138 }
139
Doug Zongker3d177d02010-07-01 09:18:44 -0700140 if (strlen(fs_type) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700141 ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
Doug Zongker3d177d02010-07-01 09:18:44 -0700142 goto done;
143 }
144 if (strlen(partition_type) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700145 ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
Doug Zongker3d177d02010-07-01 09:18:44 -0700146 name);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700147 goto done;
148 }
149 if (strlen(location) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700150 ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700151 goto done;
152 }
153 if (strlen(mount_point) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700154 ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
155 name);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700156 goto done;
157 }
158
Tao Baoba9a42a2015-06-23 23:23:33 -0700159 {
160 char *secontext = NULL;
Stephen Smalley779701d2012-02-09 14:13:23 -0500161
Tao Baoba9a42a2015-06-23 23:23:33 -0700162 if (sehandle) {
163 selabel_lookup(sehandle, &secontext, mount_point, 0755);
164 setfscreatecon(secontext);
165 }
Stephen Smalley779701d2012-02-09 14:13:23 -0500166
Tao Baoba9a42a2015-06-23 23:23:33 -0700167 mkdir(mount_point, 0755);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700168
Tao Baoba9a42a2015-06-23 23:23:33 -0700169 if (secontext) {
170 freecon(secontext);
171 setfscreatecon(NULL);
172 }
Stephen Smalley779701d2012-02-09 14:13:23 -0500173 }
Stephen Smalley779701d2012-02-09 14:13:23 -0500174
Doug Zongker3d177d02010-07-01 09:18:44 -0700175 if (strcmp(partition_type, "MTD") == 0) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700176 mtd_scan_partitions();
177 const MtdPartition* mtd;
178 mtd = mtd_find_partition_by_name(location);
179 if (mtd == NULL) {
Tao Bao1107d962015-09-09 17:16:55 -0700180 uiPrintf(state, "%s: no mtd partition named \"%s\"\n",
Doug Zongker9931f7f2009-06-10 14:11:53 -0700181 name, location);
182 result = strdup("");
183 goto done;
184 }
Doug Zongker3d177d02010-07-01 09:18:44 -0700185 if (mtd_mount_partition(mtd, mount_point, fs_type, 0 /* rw */) != 0) {
Michael Runge5ddf4292014-10-24 14:14:41 -0700186 uiPrintf(state, "mtd mount of %s failed: %s\n",
Doug Zongker9931f7f2009-06-10 14:11:53 -0700187 location, strerror(errno));
188 result = strdup("");
189 goto done;
190 }
191 result = mount_point;
192 } else {
Doug Zongker3d177d02010-07-01 09:18:44 -0700193 if (mount(location, mount_point, fs_type,
Michael Runge168f7772014-10-22 17:05:08 -0700194 MS_NOATIME | MS_NODEV | MS_NODIRATIME,
195 has_mount_options ? mount_options : "") < 0) {
Michael Runge5ddf4292014-10-24 14:14:41 -0700196 uiPrintf(state, "%s: failed to mount %s at %s: %s\n",
Doug Zongker60babf82009-09-18 15:11:24 -0700197 name, location, mount_point, strerror(errno));
Doug Zongker9931f7f2009-06-10 14:11:53 -0700198 result = strdup("");
199 } else {
200 result = mount_point;
201 }
202 }
203
204done:
Doug Zongker3d177d02010-07-01 09:18:44 -0700205 free(fs_type);
206 free(partition_type);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700207 free(location);
208 if (result != mount_point) free(mount_point);
Michael Runge168f7772014-10-22 17:05:08 -0700209 if (has_mount_options) free(mount_options);
Doug Zongker512536a2010-02-17 16:11:44 -0800210 return StringValue(result);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700211}
212
Doug Zongker8edb00c2009-06-11 17:21:44 -0700213
214// is_mounted(mount_point)
Doug Zongker512536a2010-02-17 16:11:44 -0800215Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker8edb00c2009-06-11 17:21:44 -0700216 char* result = NULL;
217 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700218 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongker8edb00c2009-06-11 17:21:44 -0700219 }
220 char* mount_point;
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700221 if (ReadArgs(state, argv, 1, &mount_point) < 0) {
Doug Zongker8edb00c2009-06-11 17:21:44 -0700222 return NULL;
223 }
224 if (strlen(mount_point) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700225 ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
Doug Zongker8edb00c2009-06-11 17:21:44 -0700226 goto done;
227 }
228
229 scan_mounted_volumes();
Tao Baoba9a42a2015-06-23 23:23:33 -0700230 {
231 const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
232 if (vol == NULL) {
233 result = strdup("");
234 } else {
235 result = mount_point;
236 }
Doug Zongker8edb00c2009-06-11 17:21:44 -0700237 }
238
239done:
240 if (result != mount_point) free(mount_point);
Doug Zongker512536a2010-02-17 16:11:44 -0800241 return StringValue(result);
Doug Zongker8edb00c2009-06-11 17:21:44 -0700242}
243
244
Doug Zongker512536a2010-02-17 16:11:44 -0800245Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700246 char* result = NULL;
247 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700248 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700249 }
250 char* mount_point;
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700251 if (ReadArgs(state, argv, 1, &mount_point) < 0) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700252 return NULL;
253 }
254 if (strlen(mount_point) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700255 ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
Doug Zongker9931f7f2009-06-10 14:11:53 -0700256 goto done;
257 }
258
259 scan_mounted_volumes();
Tao Baoba9a42a2015-06-23 23:23:33 -0700260 {
261 const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
262 if (vol == NULL) {
263 uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
264 result = strdup("");
265 } else {
266 int ret = unmount_mounted_volume(vol);
267 if (ret != 0) {
268 uiPrintf(state, "unmount of %s failed (%d): %s\n",
269 mount_point, ret, strerror(errno));
270 }
271 result = mount_point;
Michael Runge5ddf4292014-10-24 14:14:41 -0700272 }
Doug Zongker9931f7f2009-06-10 14:11:53 -0700273 }
274
275done:
276 if (result != mount_point) free(mount_point);
Doug Zongker512536a2010-02-17 16:11:44 -0800277 return StringValue(result);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700278}
Doug Zongker8edb00c2009-06-11 17:21:44 -0700279
JP Abgrall37aedb32014-06-16 19:07:39 -0700280static int exec_cmd(const char* path, char* const argv[]) {
281 int status;
282 pid_t child;
283 if ((child = vfork()) == 0) {
284 execv(path, argv);
285 _exit(-1);
286 }
287 waitpid(child, &status, 0);
288 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
289 printf("%s failed with status %d\n", path, WEXITSTATUS(status));
290 }
291 return WEXITSTATUS(status);
292}
293
Doug Zongker8edb00c2009-06-11 17:21:44 -0700294
Stephen Smalley779701d2012-02-09 14:13:23 -0500295// format(fs_type, partition_type, location, fs_size, mount_point)
Doug Zongker9931f7f2009-06-10 14:11:53 -0700296//
Stephen Smalley779701d2012-02-09 14:13:23 -0500297// fs_type="yaffs2" partition_type="MTD" location=partition fs_size=<bytes> mount_point=<location>
298// fs_type="ext4" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
JP Abgrall37aedb32014-06-16 19:07:39 -0700299// fs_type="f2fs" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
300// if fs_size == 0, then make fs uses the entire partition.
Ken Sumrall8f132ed2011-01-14 18:55:05 -0800301// if fs_size > 0, that is the size to use
JP Abgrall37aedb32014-06-16 19:07:39 -0700302// if fs_size < 0, then reserve that many bytes at the end of the partition (not for "f2fs")
Doug Zongker512536a2010-02-17 16:11:44 -0800303Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700304 char* result = NULL;
Stephen Smalley516e4e22012-04-03 13:35:11 -0400305 if (argc != 5) {
Tianjie Xu16255832016-04-30 11:49:59 -0700306 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 5 args, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700307 }
Doug Zongker3d177d02010-07-01 09:18:44 -0700308 char* fs_type;
309 char* partition_type;
Doug Zongker9931f7f2009-06-10 14:11:53 -0700310 char* location;
Ken Sumrall8f132ed2011-01-14 18:55:05 -0800311 char* fs_size;
Stephen Smalley516e4e22012-04-03 13:35:11 -0400312 char* mount_point;
Stephen Smalley779701d2012-02-09 14:13:23 -0500313
Stephen Smalley779701d2012-02-09 14:13:23 -0500314 if (ReadArgs(state, argv, 5, &fs_type, &partition_type, &location, &fs_size, &mount_point) < 0) {
315 return NULL;
316 }
Doug Zongker9931f7f2009-06-10 14:11:53 -0700317
Doug Zongker3d177d02010-07-01 09:18:44 -0700318 if (strlen(fs_type) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700319 ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
Doug Zongker3d177d02010-07-01 09:18:44 -0700320 goto done;
321 }
322 if (strlen(partition_type) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700323 ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
Doug Zongker3d177d02010-07-01 09:18:44 -0700324 name);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700325 goto done;
326 }
327 if (strlen(location) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700328 ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700329 goto done;
330 }
331
Stephen Smalley516e4e22012-04-03 13:35:11 -0400332 if (strlen(mount_point) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700333 ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
334 name);
Stephen Smalley779701d2012-02-09 14:13:23 -0500335 goto done;
336 }
Stephen Smalley779701d2012-02-09 14:13:23 -0500337
Doug Zongker3d177d02010-07-01 09:18:44 -0700338 if (strcmp(partition_type, "MTD") == 0) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700339 mtd_scan_partitions();
340 const MtdPartition* mtd = mtd_find_partition_by_name(location);
341 if (mtd == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700342 printf("%s: no mtd partition named \"%s\"",
Doug Zongker9931f7f2009-06-10 14:11:53 -0700343 name, location);
344 result = strdup("");
345 goto done;
346 }
347 MtdWriteContext* ctx = mtd_write_partition(mtd);
348 if (ctx == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700349 printf("%s: can't write \"%s\"", name, location);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700350 result = strdup("");
351 goto done;
352 }
353 if (mtd_erase_blocks(ctx, -1) == -1) {
354 mtd_write_close(ctx);
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700355 printf("%s: failed to erase \"%s\"", name, location);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700356 result = strdup("");
357 goto done;
358 }
359 if (mtd_write_close(ctx) != 0) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700360 printf("%s: failed to close \"%s\"", name, location);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700361 result = strdup("");
362 goto done;
363 }
364 result = location;
Doug Zongker3d177d02010-07-01 09:18:44 -0700365#ifdef USE_EXT4
366 } else if (strcmp(fs_type, "ext4") == 0) {
Stephen Smalley779701d2012-02-09 14:13:23 -0500367 int status = make_ext4fs(location, atoll(fs_size), mount_point, sehandle);
Doug Zongker3d177d02010-07-01 09:18:44 -0700368 if (status != 0) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700369 printf("%s: make_ext4fs failed (%d) on %s",
Doug Zongker3d177d02010-07-01 09:18:44 -0700370 name, status, location);
371 result = strdup("");
372 goto done;
373 }
374 result = location;
JP Abgrall37aedb32014-06-16 19:07:39 -0700375 } else if (strcmp(fs_type, "f2fs") == 0) {
376 char *num_sectors;
377 if (asprintf(&num_sectors, "%lld", atoll(fs_size) / 512) <= 0) {
378 printf("format_volume: failed to create %s command for %s\n", fs_type, location);
379 result = strdup("");
380 goto done;
381 }
382 const char *f2fs_path = "/sbin/mkfs.f2fs";
383 const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location, num_sectors, NULL};
384 int status = exec_cmd(f2fs_path, (char* const*)f2fs_argv);
385 free(num_sectors);
386 if (status != 0) {
387 printf("%s: mkfs.f2fs failed (%d) on %s",
388 name, status, location);
389 result = strdup("");
390 goto done;
391 }
392 result = location;
Doug Zongker3d177d02010-07-01 09:18:44 -0700393#endif
Doug Zongker9931f7f2009-06-10 14:11:53 -0700394 } else {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700395 printf("%s: unsupported fs_type \"%s\" partition_type \"%s\"",
Doug Zongker3d177d02010-07-01 09:18:44 -0700396 name, fs_type, partition_type);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700397 }
398
399done:
Doug Zongker3d177d02010-07-01 09:18:44 -0700400 free(fs_type);
401 free(partition_type);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700402 if (result != location) free(location);
Doug Zongker512536a2010-02-17 16:11:44 -0800403 return StringValue(result);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700404}
405
Michael Rungece7ca712013-11-06 17:42:20 -0800406Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) {
407 char* result = NULL;
408 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -0700409 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Michael Rungece7ca712013-11-06 17:42:20 -0800410 }
411
412 char* src_name;
413 char* dst_name;
414
415 if (ReadArgs(state, argv, 2, &src_name, &dst_name) < 0) {
416 return NULL;
417 }
418 if (strlen(src_name) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700419 ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty", name);
Michael Rungece7ca712013-11-06 17:42:20 -0800420 goto done;
421 }
422 if (strlen(dst_name) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700423 ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty", name);
Michael Rungece7ca712013-11-06 17:42:20 -0800424 goto done;
425 }
Michael Rungea91ecc52014-07-21 17:40:02 -0700426 if (make_parents(dst_name) != 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700427 ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s",
Michael Rungea91ecc52014-07-21 17:40:02 -0700428 dst_name, strerror(errno));
Michael Runge2f0ef732014-10-22 14:28:23 -0700429 } else if (access(dst_name, F_OK) == 0 && access(src_name, F_OK) != 0) {
430 // File was already moved
431 result = dst_name;
Michael Rungea91ecc52014-07-21 17:40:02 -0700432 } else if (rename(src_name, dst_name) != 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700433 ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s",
Michael Rungece7ca712013-11-06 17:42:20 -0800434 src_name, dst_name, strerror(errno));
435 } else {
436 result = dst_name;
437 }
438
439done:
440 free(src_name);
441 if (result != dst_name) free(dst_name);
442 return StringValue(result);
443}
Doug Zongker8edb00c2009-06-11 17:21:44 -0700444
Doug Zongker512536a2010-02-17 16:11:44 -0800445Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
Tao Baoba9a42a2015-06-23 23:23:33 -0700446 char** paths = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
447 for (int i = 0; i < argc; ++i) {
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700448 paths[i] = Evaluate(state, argv[i]);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700449 if (paths[i] == NULL) {
Yabin Cui64be2132016-02-03 18:16:02 -0800450 for (int j = 0; j < i; ++j) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700451 free(paths[j]);
452 }
453 free(paths);
454 return NULL;
455 }
456 }
457
458 bool recursive = (strcmp(name, "delete_recursive") == 0);
459
460 int success = 0;
Tao Baoba9a42a2015-06-23 23:23:33 -0700461 for (int i = 0; i < argc; ++i) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700462 if ((recursive ? dirUnlinkHierarchy(paths[i]) : unlink(paths[i])) == 0)
463 ++success;
464 free(paths[i]);
465 }
466 free(paths);
467
468 char buffer[10];
469 sprintf(buffer, "%d", success);
Doug Zongker512536a2010-02-17 16:11:44 -0800470 return StringValue(strdup(buffer));
Doug Zongker9931f7f2009-06-10 14:11:53 -0700471}
472
Doug Zongker8edb00c2009-06-11 17:21:44 -0700473
Doug Zongker512536a2010-02-17 16:11:44 -0800474Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700475 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -0700476 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700477 }
478 char* frac_str;
479 char* sec_str;
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700480 if (ReadArgs(state, argv, 2, &frac_str, &sec_str) < 0) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700481 return NULL;
482 }
483
484 double frac = strtod(frac_str, NULL);
Tao Baob15fd222015-09-24 11:10:51 -0700485 int sec;
486 android::base::ParseInt(sec_str, &sec);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700487
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700488 UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700489 fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
490
Doug Zongker9931f7f2009-06-10 14:11:53 -0700491 free(sec_str);
Doug Zongker512536a2010-02-17 16:11:44 -0800492 return StringValue(frac_str);
Doug Zongkerfbf3c102009-06-24 09:36:20 -0700493}
494
Doug Zongker512536a2010-02-17 16:11:44 -0800495Value* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongkerfbf3c102009-06-24 09:36:20 -0700496 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700497 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongkerfbf3c102009-06-24 09:36:20 -0700498 }
499 char* frac_str;
500 if (ReadArgs(state, argv, 1, &frac_str) < 0) {
501 return NULL;
502 }
503
504 double frac = strtod(frac_str, NULL);
505
506 UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
507 fprintf(ui->cmd_pipe, "set_progress %f\n", frac);
508
Doug Zongker512536a2010-02-17 16:11:44 -0800509 return StringValue(frac_str);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700510}
511
Doug Zongker8edb00c2009-06-11 17:21:44 -0700512// package_extract_dir(package_path, destination_path)
Doug Zongker512536a2010-02-17 16:11:44 -0800513Value* PackageExtractDirFn(const char* name, State* state,
Doug Zongker8edb00c2009-06-11 17:21:44 -0700514 int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700515 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -0700516 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700517 }
518 char* zip_path;
519 char* dest_path;
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700520 if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
Doug Zongker9931f7f2009-06-10 14:11:53 -0700521
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700522 ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
Doug Zongker9931f7f2009-06-10 14:11:53 -0700523
524 // To create a consistent system image, never use the clock for timestamps.
525 struct utimbuf timestamp = { 1217592000, 1217592000 }; // 8/1/2008 default
526
527 bool success = mzExtractRecursive(za, zip_path, dest_path,
Narayan Kamath9c0f5d62015-02-23 14:09:31 +0000528 &timestamp,
Stephen Smalley779701d2012-02-09 14:13:23 -0500529 NULL, NULL, sehandle);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700530 free(zip_path);
531 free(dest_path);
Doug Zongker512536a2010-02-17 16:11:44 -0800532 return StringValue(strdup(success ? "t" : ""));
Doug Zongker9931f7f2009-06-10 14:11:53 -0700533}
534
Doug Zongker8edb00c2009-06-11 17:21:44 -0700535
536// package_extract_file(package_path, destination_path)
Doug Zongker6aece332010-02-01 14:40:12 -0800537// or
538// package_extract_file(package_path)
539// to return the entire contents of the file as the result of this
Doug Zongker512536a2010-02-17 16:11:44 -0800540// function (the char* returned is actually a FileContents*).
541Value* PackageExtractFileFn(const char* name, State* state,
Doug Zongker8edb00c2009-06-11 17:21:44 -0700542 int argc, Expr* argv[]) {
Doug Zongker5f875bf2014-08-22 14:53:43 -0700543 if (argc < 1 || argc > 2) {
Tianjie Xu16255832016-04-30 11:49:59 -0700544 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 or 2 args, got %d",
Doug Zongker6aece332010-02-01 14:40:12 -0800545 name, argc);
Doug Zongker8edb00c2009-06-11 17:21:44 -0700546 }
Doug Zongker8edb00c2009-06-11 17:21:44 -0700547 bool success = false;
Doug Zongker43772d22014-06-09 14:13:19 -0700548
Doug Zongker5f875bf2014-08-22 14:53:43 -0700549 if (argc == 2) {
550 // The two-argument version extracts to a file.
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -0800551
552 ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
Doug Zongker8edb00c2009-06-11 17:21:44 -0700553
Doug Zongker6aece332010-02-01 14:40:12 -0800554 char* zip_path;
555 char* dest_path;
Doug Zongker5f875bf2014-08-22 14:53:43 -0700556 if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
Doug Zongker6aece332010-02-01 14:40:12 -0800557
Doug Zongker6aece332010-02-01 14:40:12 -0800558 const ZipEntry* entry = mzFindZipEntry(za, zip_path);
559 if (entry == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700560 printf("%s: no %s in package\n", name, zip_path);
Doug Zongker6aece332010-02-01 14:40:12 -0800561 goto done2;
562 }
563
Tao Baoba9a42a2015-06-23 23:23:33 -0700564 {
Alistair Strachan733285f2016-05-05 16:04:32 -0700565 int fd = TEMP_FAILURE_RETRY(ota_open(dest_path, O_WRONLY | O_CREAT | O_TRUNC,
Tao Baod3cac342015-12-14 15:53:25 -0800566 S_IRUSR | S_IWUSR));
567 if (fd == -1) {
568 printf("%s: can't open %s for write: %s\n", name, dest_path, strerror(errno));
Tao Baoba9a42a2015-06-23 23:23:33 -0700569 goto done2;
570 }
Tao Baod3cac342015-12-14 15:53:25 -0800571 success = mzExtractZipEntryToFile(za, entry, fd);
Jed Estepa7b9a462015-12-15 16:04:53 -0800572 if (ota_fsync(fd) == -1) {
Tao Baod3cac342015-12-14 15:53:25 -0800573 printf("fsync of \"%s\" failed: %s\n", dest_path, strerror(errno));
574 success = false;
575 }
Jed Estepa7b9a462015-12-15 16:04:53 -0800576 if (ota_close(fd) == -1) {
Tao Baod3cac342015-12-14 15:53:25 -0800577 printf("close of \"%s\" failed: %s\n", dest_path, strerror(errno));
578 success = false;
579 }
Doug Zongker6aece332010-02-01 14:40:12 -0800580 }
Doug Zongker6aece332010-02-01 14:40:12 -0800581
582 done2:
583 free(zip_path);
584 free(dest_path);
Doug Zongker512536a2010-02-17 16:11:44 -0800585 return StringValue(strdup(success ? "t" : ""));
Doug Zongker6aece332010-02-01 14:40:12 -0800586 } else {
587 // The one-argument version returns the contents of the file
588 // as the result.
589
590 char* zip_path;
Yabin Cui64be2132016-02-03 18:16:02 -0800591 if (ReadArgs(state, argv, 1, &zip_path) < 0) return NULL;
592
Tao Baoba9a42a2015-06-23 23:23:33 -0700593 Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
Doug Zongker512536a2010-02-17 16:11:44 -0800594 v->type = VAL_BLOB;
595 v->size = -1;
596 v->data = NULL;
Doug Zongker6aece332010-02-01 14:40:12 -0800597
Doug Zongker6aece332010-02-01 14:40:12 -0800598 ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
599 const ZipEntry* entry = mzFindZipEntry(za, zip_path);
600 if (entry == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700601 printf("%s: no %s in package\n", name, zip_path);
Doug Zongker6aece332010-02-01 14:40:12 -0800602 goto done1;
603 }
604
Doug Zongker512536a2010-02-17 16:11:44 -0800605 v->size = mzGetZipEntryUncompLen(entry);
Tao Baoba9a42a2015-06-23 23:23:33 -0700606 v->data = reinterpret_cast<char*>(malloc(v->size));
Doug Zongker512536a2010-02-17 16:11:44 -0800607 if (v->data == NULL) {
Chih-Hung Hsieh54a27472016-04-18 11:30:55 -0700608 printf("%s: failed to allocate %zd bytes for %s\n",
609 name, v->size, zip_path);
Doug Zongker6aece332010-02-01 14:40:12 -0800610 goto done1;
611 }
612
Doug Zongker512536a2010-02-17 16:11:44 -0800613 success = mzExtractZipEntryToBuffer(za, entry,
614 (unsigned char *)v->data);
Doug Zongker6aece332010-02-01 14:40:12 -0800615
616 done1:
617 free(zip_path);
618 if (!success) {
Doug Zongker512536a2010-02-17 16:11:44 -0800619 free(v->data);
620 v->data = NULL;
621 v->size = -1;
Doug Zongker6aece332010-02-01 14:40:12 -0800622 }
Doug Zongker512536a2010-02-17 16:11:44 -0800623 return v;
Doug Zongker8edb00c2009-06-11 17:21:44 -0700624 }
Doug Zongker8edb00c2009-06-11 17:21:44 -0700625}
626
Doug Zongkera23075f2012-08-06 16:19:09 -0700627// Create all parent directories of name, if necessary.
628static int make_parents(char* name) {
629 char* p;
630 for (p = name + (strlen(name)-1); p > name; --p) {
631 if (*p != '/') continue;
632 *p = '\0';
633 if (make_parents(name) < 0) return -1;
634 int result = mkdir(name, 0700);
Michael Rungea91ecc52014-07-21 17:40:02 -0700635 if (result == 0) printf("created [%s]\n", name);
Doug Zongkera23075f2012-08-06 16:19:09 -0700636 *p = '/';
637 if (result == 0 || errno == EEXIST) {
638 // successfully created or already existed; we're done
639 return 0;
640 } else {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700641 printf("failed to mkdir %s: %s\n", name, strerror(errno));
Doug Zongkera23075f2012-08-06 16:19:09 -0700642 return -1;
643 }
644 }
645 return 0;
646}
Doug Zongker8edb00c2009-06-11 17:21:44 -0700647
Doug Zongker9931f7f2009-06-10 14:11:53 -0700648// symlink target src1 src2 ...
Doug Zongker60babf82009-09-18 15:11:24 -0700649// unlinks any previously existing src1, src2, etc before creating symlinks.
Doug Zongker512536a2010-02-17 16:11:44 -0800650Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker9931f7f2009-06-10 14:11:53 -0700651 if (argc == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700652 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1+ args, got %d", name, argc);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700653 }
654 char* target;
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700655 target = Evaluate(state, argv[0]);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700656 if (target == NULL) return NULL;
657
Doug Zongkerd9c9d102009-06-12 12:24:39 -0700658 char** srcs = ReadVarArgs(state, argc-1, argv+1);
Doug Zongker9931f7f2009-06-10 14:11:53 -0700659 if (srcs == NULL) {
660 free(target);
661 return NULL;
662 }
663
Doug Zongkeracd73ed2012-03-22 14:32:52 -0700664 int bad = 0;
Doug Zongker9931f7f2009-06-10 14:11:53 -0700665 int i;
666 for (i = 0; i < argc-1; ++i) {
Doug Zongker60babf82009-09-18 15:11:24 -0700667 if (unlink(srcs[i]) < 0) {
668 if (errno != ENOENT) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700669 printf("%s: failed to remove %s: %s\n",
Doug Zongker60babf82009-09-18 15:11:24 -0700670 name, srcs[i], strerror(errno));
Doug Zongkeracd73ed2012-03-22 14:32:52 -0700671 ++bad;
Doug Zongker60babf82009-09-18 15:11:24 -0700672 }
673 }
Doug Zongkera23075f2012-08-06 16:19:09 -0700674 if (make_parents(srcs[i])) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700675 printf("%s: failed to symlink %s to %s: making parents failed\n",
Doug Zongkera23075f2012-08-06 16:19:09 -0700676 name, srcs[i], target);
677 ++bad;
678 }
Doug Zongker60babf82009-09-18 15:11:24 -0700679 if (symlink(target, srcs[i]) < 0) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -0700680 printf("%s: failed to symlink %s to %s: %s\n",
Doug Zongker60babf82009-09-18 15:11:24 -0700681 name, srcs[i], target, strerror(errno));
Doug Zongkeracd73ed2012-03-22 14:32:52 -0700682 ++bad;
Doug Zongker60babf82009-09-18 15:11:24 -0700683 }
Doug Zongker9931f7f2009-06-10 14:11:53 -0700684 free(srcs[i]);
685 }
686 free(srcs);
Doug Zongkeracd73ed2012-03-22 14:32:52 -0700687 if (bad) {
Tianjie Xu16255832016-04-30 11:49:59 -0700688 return ErrorAbort(state, kSymlinkFailure, "%s: some symlinks failed", name);
Doug Zongkeracd73ed2012-03-22 14:32:52 -0700689 }
Doug Zongker512536a2010-02-17 16:11:44 -0800690 return StringValue(strdup(""));
Doug Zongker9931f7f2009-06-10 14:11:53 -0700691}
692
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700693struct perm_parsed_args {
694 bool has_uid;
695 uid_t uid;
696 bool has_gid;
697 gid_t gid;
698 bool has_mode;
699 mode_t mode;
700 bool has_fmode;
701 mode_t fmode;
702 bool has_dmode;
703 mode_t dmode;
704 bool has_selabel;
705 char* selabel;
706 bool has_capabilities;
707 uint64_t capabilities;
708};
709
Michael Runged4a63422014-10-22 19:48:41 -0700710static struct perm_parsed_args ParsePermArgs(State * state, int argc, char** args) {
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700711 int i;
712 struct perm_parsed_args parsed;
713 int bad = 0;
714 static int max_warnings = 20;
715
716 memset(&parsed, 0, sizeof(parsed));
717
718 for (i = 1; i < argc; i += 2) {
719 if (strcmp("uid", args[i]) == 0) {
720 int64_t uid;
721 if (sscanf(args[i+1], "%" SCNd64, &uid) == 1) {
722 parsed.uid = uid;
723 parsed.has_uid = true;
724 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700725 uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700726 bad++;
727 }
728 continue;
729 }
730 if (strcmp("gid", args[i]) == 0) {
731 int64_t gid;
732 if (sscanf(args[i+1], "%" SCNd64, &gid) == 1) {
733 parsed.gid = gid;
734 parsed.has_gid = true;
735 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700736 uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700737 bad++;
738 }
739 continue;
740 }
741 if (strcmp("mode", args[i]) == 0) {
742 int32_t mode;
743 if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
744 parsed.mode = mode;
745 parsed.has_mode = true;
746 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700747 uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700748 bad++;
749 }
750 continue;
751 }
752 if (strcmp("dmode", args[i]) == 0) {
753 int32_t mode;
754 if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
755 parsed.dmode = mode;
756 parsed.has_dmode = true;
757 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700758 uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700759 bad++;
760 }
761 continue;
762 }
763 if (strcmp("fmode", args[i]) == 0) {
764 int32_t mode;
765 if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
766 parsed.fmode = mode;
767 parsed.has_fmode = true;
768 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700769 uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700770 bad++;
771 }
772 continue;
773 }
774 if (strcmp("capabilities", args[i]) == 0) {
775 int64_t capabilities;
776 if (sscanf(args[i+1], "%" SCNi64, &capabilities) == 1) {
777 parsed.capabilities = capabilities;
778 parsed.has_capabilities = true;
779 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700780 uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700781 bad++;
782 }
783 continue;
784 }
785 if (strcmp("selabel", args[i]) == 0) {
786 if (args[i+1][0] != '\0') {
787 parsed.selabel = args[i+1];
788 parsed.has_selabel = true;
789 } else {
Michael Runged4a63422014-10-22 19:48:41 -0700790 uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1]);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700791 bad++;
792 }
793 continue;
794 }
795 if (max_warnings != 0) {
796 printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i]);
797 max_warnings--;
798 if (max_warnings == 0) {
799 printf("ParsedPermArgs: suppressing further warnings\n");
800 }
801 }
802 }
803 return parsed;
804}
805
806static int ApplyParsedPerms(
Michael Runged4a63422014-10-22 19:48:41 -0700807 State * state,
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700808 const char* filename,
809 const struct stat *statptr,
810 struct perm_parsed_args parsed)
811{
812 int bad = 0;
813
Nick Kralevich68802412014-10-23 20:36:42 -0700814 if (parsed.has_selabel) {
815 if (lsetfilecon(filename, parsed.selabel) != 0) {
816 uiPrintf(state, "ApplyParsedPerms: lsetfilecon of %s to %s failed: %s\n",
817 filename, parsed.selabel, strerror(errno));
818 bad++;
819 }
820 }
821
Nick Kraleviche4612512013-09-10 15:34:19 -0700822 /* ignore symlinks */
823 if (S_ISLNK(statptr->st_mode)) {
Nick Kralevich68802412014-10-23 20:36:42 -0700824 return bad;
Nick Kraleviche4612512013-09-10 15:34:19 -0700825 }
826
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700827 if (parsed.has_uid) {
828 if (chown(filename, parsed.uid, -1) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700829 uiPrintf(state, "ApplyParsedPerms: chown of %s to %d failed: %s\n",
830 filename, parsed.uid, strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700831 bad++;
832 }
833 }
834
835 if (parsed.has_gid) {
836 if (chown(filename, -1, parsed.gid) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700837 uiPrintf(state, "ApplyParsedPerms: chgrp of %s to %d failed: %s\n",
838 filename, parsed.gid, strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700839 bad++;
840 }
841 }
842
843 if (parsed.has_mode) {
844 if (chmod(filename, parsed.mode) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700845 uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
846 filename, parsed.mode, strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700847 bad++;
848 }
849 }
850
851 if (parsed.has_dmode && S_ISDIR(statptr->st_mode)) {
852 if (chmod(filename, parsed.dmode) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700853 uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
854 filename, parsed.dmode, strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700855 bad++;
856 }
857 }
858
859 if (parsed.has_fmode && S_ISREG(statptr->st_mode)) {
860 if (chmod(filename, parsed.fmode) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700861 uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700862 filename, parsed.fmode, strerror(errno));
863 bad++;
864 }
865 }
866
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700867 if (parsed.has_capabilities && S_ISREG(statptr->st_mode)) {
868 if (parsed.capabilities == 0) {
869 if ((removexattr(filename, XATTR_NAME_CAPS) == -1) && (errno != ENODATA)) {
870 // Report failure unless it's ENODATA (attribute not set)
Michael Runged4a63422014-10-22 19:48:41 -0700871 uiPrintf(state, "ApplyParsedPerms: removexattr of %s to %" PRIx64 " failed: %s\n",
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700872 filename, parsed.capabilities, strerror(errno));
873 bad++;
874 }
875 } else {
876 struct vfs_cap_data cap_data;
877 memset(&cap_data, 0, sizeof(cap_data));
878 cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
879 cap_data.data[0].permitted = (uint32_t) (parsed.capabilities & 0xffffffff);
880 cap_data.data[0].inheritable = 0;
881 cap_data.data[1].permitted = (uint32_t) (parsed.capabilities >> 32);
882 cap_data.data[1].inheritable = 0;
883 if (setxattr(filename, XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
Michael Runged4a63422014-10-22 19:48:41 -0700884 uiPrintf(state, "ApplyParsedPerms: setcap of %s to %" PRIx64 " failed: %s\n",
885 filename, parsed.capabilities, strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700886 bad++;
887 }
888 }
889 }
890
891 return bad;
892}
893
894// nftw doesn't allow us to pass along context, so we need to use
895// global variables. *sigh*
896static struct perm_parsed_args recursive_parsed_args;
Michael Runged4a63422014-10-22 19:48:41 -0700897static State* recursive_state;
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700898
899static int do_SetMetadataRecursive(const char* filename, const struct stat *statptr,
900 int fileflags, struct FTW *pfwt) {
Michael Runged4a63422014-10-22 19:48:41 -0700901 return ApplyParsedPerms(recursive_state, filename, statptr, recursive_parsed_args);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700902}
903
904static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) {
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700905 int bad = 0;
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700906 struct stat sb;
907 Value* result = NULL;
908
909 bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
910
911 if ((argc % 2) != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700912 return ErrorAbort(state, kArgsParsingFailure,
913 "%s() expects an odd number of arguments, got %d", name, argc);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700914 }
915
916 char** args = ReadVarArgs(state, argc, argv);
917 if (args == NULL) return NULL;
918
919 if (lstat(args[0], &sb) == -1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700920 result = ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s",
921 name, args[0], strerror(errno));
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700922 goto done;
923 }
924
Tao Baoba9a42a2015-06-23 23:23:33 -0700925 {
926 struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700927
Tao Baoba9a42a2015-06-23 23:23:33 -0700928 if (recursive) {
929 recursive_parsed_args = parsed;
930 recursive_state = state;
931 bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
932 memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
933 recursive_state = NULL;
934 } else {
935 bad += ApplyParsedPerms(state, args[0], &sb, parsed);
936 }
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700937 }
938
939done:
Tao Baoba9a42a2015-06-23 23:23:33 -0700940 for (int i = 0; i < argc; ++i) {
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700941 free(args[i]);
942 }
943 free(args);
944
945 if (result != NULL) {
946 return result;
947 }
948
949 if (bad > 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700950 return ErrorAbort(state, kSetMetadataFailure, "%s: some changes failed", name);
Nick Kralevich5dbdef02013-09-07 14:41:06 -0700951 }
952
953 return StringValue(strdup(""));
954}
Doug Zongker8edb00c2009-06-11 17:21:44 -0700955
Doug Zongker512536a2010-02-17 16:11:44 -0800956Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker8edb00c2009-06-11 17:21:44 -0700957 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -0700958 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongker8edb00c2009-06-11 17:21:44 -0700959 }
Tao Baoba9a42a2015-06-23 23:23:33 -0700960 char* key = Evaluate(state, argv[0]);
Doug Zongker8edb00c2009-06-11 17:21:44 -0700961 if (key == NULL) return NULL;
962
963 char value[PROPERTY_VALUE_MAX];
964 property_get(key, value, "");
965 free(key);
966
Doug Zongker512536a2010-02-17 16:11:44 -0800967 return StringValue(strdup(value));
Doug Zongker8edb00c2009-06-11 17:21:44 -0700968}
969
970
Doug Zongker47cace92009-06-18 10:11:50 -0700971// file_getprop(file, key)
972//
973// interprets 'file' as a getprop-style file (key=value pairs, one
Michael Rungeaa1a31e2014-04-25 18:47:18 -0700974// per line. # comment lines,blank lines, lines without '=' ignored),
975// and returns the value for 'key' (or "" if it isn't defined).
Doug Zongker512536a2010-02-17 16:11:44 -0800976Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker47cace92009-06-18 10:11:50 -0700977 char* result = NULL;
978 char* buffer = NULL;
979 char* filename;
980 char* key;
981 if (ReadArgs(state, argv, 2, &filename, &key) < 0) {
982 return NULL;
983 }
984
985 struct stat st;
986 if (stat(filename, &st) < 0) {
Tianjie Xu16255832016-04-30 11:49:59 -0700987 ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name, filename,
988 strerror(errno));
Doug Zongker47cace92009-06-18 10:11:50 -0700989 goto done;
990 }
991
992#define MAX_FILE_GETPROP_SIZE 65536
993
994 if (st.st_size > MAX_FILE_GETPROP_SIZE) {
Tianjie Xu16255832016-04-30 11:49:59 -0700995 ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %d)", filename, name,
996 MAX_FILE_GETPROP_SIZE);
Doug Zongker47cace92009-06-18 10:11:50 -0700997 goto done;
998 }
999
Tao Baoba9a42a2015-06-23 23:23:33 -07001000 buffer = reinterpret_cast<char*>(malloc(st.st_size+1));
Doug Zongker47cace92009-06-18 10:11:50 -07001001 if (buffer == NULL) {
Tianjie Xu549745c2016-05-23 12:17:13 -07001002 ErrorAbort(state, kFileGetPropFailure, "%s: failed to alloc %zu bytes", name,
Chih-Hung Hsieh54a27472016-04-18 11:30:55 -07001003 static_cast<size_t>(st.st_size+1));
Doug Zongker47cace92009-06-18 10:11:50 -07001004 goto done;
1005 }
1006
Tao Baoba9a42a2015-06-23 23:23:33 -07001007 FILE* f;
Jed Estepa7b9a462015-12-15 16:04:53 -08001008 f = ota_fopen(filename, "rb");
Doug Zongker47cace92009-06-18 10:11:50 -07001009 if (f == NULL) {
Tianjie Xu16255832016-04-30 11:49:59 -07001010 ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name, filename,
1011 strerror(errno));
Doug Zongker47cace92009-06-18 10:11:50 -07001012 goto done;
1013 }
1014
Jed Estepa7b9a462015-12-15 16:04:53 -08001015 if (ota_fread(buffer, 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
Tianjie Xu549745c2016-05-23 12:17:13 -07001016 ErrorAbort(state, kFreadFailure, "%s: failed to read %zu bytes from %s",
Chih-Hung Hsieh54a27472016-04-18 11:30:55 -07001017 name, static_cast<size_t>(st.st_size), filename);
Jed Estepa7b9a462015-12-15 16:04:53 -08001018 ota_fclose(f);
Doug Zongker47cace92009-06-18 10:11:50 -07001019 goto done;
1020 }
1021 buffer[st.st_size] = '\0';
1022
Jed Estepa7b9a462015-12-15 16:04:53 -08001023 ota_fclose(f);
Doug Zongker47cace92009-06-18 10:11:50 -07001024
Tao Baoba9a42a2015-06-23 23:23:33 -07001025 char* line;
1026 line = strtok(buffer, "\n");
Doug Zongker47cace92009-06-18 10:11:50 -07001027 do {
1028 // skip whitespace at start of line
1029 while (*line && isspace(*line)) ++line;
1030
1031 // comment or blank line: skip to next line
1032 if (*line == '\0' || *line == '#') continue;
1033
1034 char* equal = strchr(line, '=');
1035 if (equal == NULL) {
Michael Rungeaa1a31e2014-04-25 18:47:18 -07001036 continue;
Doug Zongker47cace92009-06-18 10:11:50 -07001037 }
1038
1039 // trim whitespace between key and '='
1040 char* key_end = equal-1;
1041 while (key_end > line && isspace(*key_end)) --key_end;
1042 key_end[1] = '\0';
1043
1044 // not the key we're looking for
1045 if (strcmp(key, line) != 0) continue;
1046
1047 // skip whitespace after the '=' to the start of the value
1048 char* val_start = equal+1;
1049 while(*val_start && isspace(*val_start)) ++val_start;
1050
1051 // trim trailing whitespace
1052 char* val_end = val_start + strlen(val_start)-1;
1053 while (val_end > val_start && isspace(*val_end)) --val_end;
1054 val_end[1] = '\0';
1055
1056 result = strdup(val_start);
1057 break;
1058
1059 } while ((line = strtok(NULL, "\n")));
1060
1061 if (result == NULL) result = strdup("");
1062
1063 done:
1064 free(filename);
1065 free(key);
1066 free(buffer);
Doug Zongker512536a2010-02-17 16:11:44 -08001067 return StringValue(result);
Doug Zongker47cace92009-06-18 10:11:50 -07001068}
1069
Doug Zongker179b2d92011-04-12 15:49:04 -07001070// write_raw_image(filename_or_blob, partition)
Doug Zongker512536a2010-02-17 16:11:44 -08001071Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongker8edb00c2009-06-11 17:21:44 -07001072 char* result = NULL;
1073
Doug Zongker179b2d92011-04-12 15:49:04 -07001074 Value* partition_value;
1075 Value* contents;
1076 if (ReadValueArgs(state, argv, 2, &contents, &partition_value) < 0) {
Doug Zongker8edb00c2009-06-11 17:21:44 -07001077 return NULL;
1078 }
1079
Doug Zongkerdaefc1d2011-10-31 09:34:15 -07001080 char* partition = NULL;
Doug Zongker179b2d92011-04-12 15:49:04 -07001081 if (partition_value->type != VAL_STRING) {
Tianjie Xu16255832016-04-30 11:49:59 -07001082 ErrorAbort(state, kArgsParsingFailure, "partition argument to %s must be string", name);
Doug Zongker179b2d92011-04-12 15:49:04 -07001083 goto done;
1084 }
Doug Zongkerdaefc1d2011-10-31 09:34:15 -07001085 partition = partition_value->data;
Doug Zongker8edb00c2009-06-11 17:21:44 -07001086 if (strlen(partition) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001087 ErrorAbort(state, kArgsParsingFailure, "partition argument to %s can't be empty", name);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001088 goto done;
1089 }
Doug Zongker179b2d92011-04-12 15:49:04 -07001090 if (contents->type == VAL_STRING && strlen((char*) contents->data) == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001091 ErrorAbort(state, kArgsParsingFailure, "file argument to %s can't be empty", name);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001092 goto done;
1093 }
1094
1095 mtd_scan_partitions();
Tao Baoba9a42a2015-06-23 23:23:33 -07001096 const MtdPartition* mtd;
1097 mtd = mtd_find_partition_by_name(partition);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001098 if (mtd == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001099 printf("%s: no mtd partition named \"%s\"\n", name, partition);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001100 result = strdup("");
1101 goto done;
1102 }
1103
Tao Baoba9a42a2015-06-23 23:23:33 -07001104 MtdWriteContext* ctx;
1105 ctx = mtd_write_partition(mtd);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001106 if (ctx == NULL) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001107 printf("%s: can't write mtd partition \"%s\"\n",
Doug Zongker8edb00c2009-06-11 17:21:44 -07001108 name, partition);
1109 result = strdup("");
1110 goto done;
1111 }
1112
1113 bool success;
1114
Doug Zongker179b2d92011-04-12 15:49:04 -07001115 if (contents->type == VAL_STRING) {
1116 // we're given a filename as the contents
1117 char* filename = contents->data;
Jed Estepa7b9a462015-12-15 16:04:53 -08001118 FILE* f = ota_fopen(filename, "rb");
Doug Zongker179b2d92011-04-12 15:49:04 -07001119 if (f == NULL) {
Tao Baoba9a42a2015-06-23 23:23:33 -07001120 printf("%s: can't open %s: %s\n", name, filename, strerror(errno));
Doug Zongker179b2d92011-04-12 15:49:04 -07001121 result = strdup("");
1122 goto done;
Doug Zongker8edb00c2009-06-11 17:21:44 -07001123 }
Doug Zongker179b2d92011-04-12 15:49:04 -07001124
1125 success = true;
Tao Baoba9a42a2015-06-23 23:23:33 -07001126 char* buffer = reinterpret_cast<char*>(malloc(BUFSIZ));
Doug Zongker179b2d92011-04-12 15:49:04 -07001127 int read;
Jed Estepa7b9a462015-12-15 16:04:53 -08001128 while (success && (read = ota_fread(buffer, 1, BUFSIZ, f)) > 0) {
Doug Zongker179b2d92011-04-12 15:49:04 -07001129 int wrote = mtd_write_data(ctx, buffer, read);
1130 success = success && (wrote == read);
1131 }
1132 free(buffer);
Jed Estepa7b9a462015-12-15 16:04:53 -08001133 ota_fclose(f);
Doug Zongker179b2d92011-04-12 15:49:04 -07001134 } else {
1135 // we're given a blob as the contents
1136 ssize_t wrote = mtd_write_data(ctx, contents->data, contents->size);
1137 success = (wrote == contents->size);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001138 }
Doug Zongker179b2d92011-04-12 15:49:04 -07001139 if (!success) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001140 printf("mtd_write_data to %s failed: %s\n",
Doug Zongker179b2d92011-04-12 15:49:04 -07001141 partition, strerror(errno));
1142 }
Doug Zongker8edb00c2009-06-11 17:21:44 -07001143
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001144 if (mtd_erase_blocks(ctx, -1) == -1) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001145 printf("%s: error erasing blocks of %s\n", name, partition);
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001146 }
1147 if (mtd_write_close(ctx) != 0) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001148 printf("%s: error closing write of %s\n", name, partition);
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001149 }
1150
Doug Zongker179b2d92011-04-12 15:49:04 -07001151 printf("%s %s partition\n",
1152 success ? "wrote" : "failed to write", partition);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001153
1154 result = success ? partition : strdup("");
1155
1156done:
Doug Zongker179b2d92011-04-12 15:49:04 -07001157 if (result != partition) FreeValue(partition_value);
1158 FreeValue(contents);
Doug Zongker512536a2010-02-17 16:11:44 -08001159 return StringValue(result);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001160}
1161
Doug Zongker8edb00c2009-06-11 17:21:44 -07001162// apply_patch_space(bytes)
Doug Zongkerc4351c72010-02-22 14:46:32 -08001163Value* ApplyPatchSpaceFn(const char* name, State* state,
1164 int argc, Expr* argv[]) {
1165 char* bytes_str;
1166 if (ReadArgs(state, argv, 1, &bytes_str) < 0) {
1167 return NULL;
1168 }
1169
Tao Baob15fd222015-09-24 11:10:51 -07001170 size_t bytes;
1171 if (!android::base::ParseUint(bytes_str, &bytes)) {
Tianjie Xu16255832016-04-30 11:49:59 -07001172 ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n",
1173 name, bytes_str);
Doug Zongkerc4351c72010-02-22 14:46:32 -08001174 free(bytes_str);
Tao Baob15fd222015-09-24 11:10:51 -07001175 return nullptr;
Doug Zongkerc4351c72010-02-22 14:46:32 -08001176 }
1177
1178 return StringValue(strdup(CacheSizeCheck(bytes) ? "" : "t"));
1179}
1180
Doug Zongker52b40362014-02-10 15:30:30 -08001181// apply_patch(file, size, init_sha1, tgt_sha1, patch)
1182
Doug Zongker512536a2010-02-17 16:11:44 -08001183Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongkerc4351c72010-02-22 14:46:32 -08001184 if (argc < 6 || (argc % 2) == 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001185 return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 6 args and an "
1186 "even number, got %d", name, argc);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001187 }
1188
Doug Zongkerc4351c72010-02-22 14:46:32 -08001189 char* source_filename;
1190 char* target_filename;
1191 char* target_sha1;
1192 char* target_size_str;
1193 if (ReadArgs(state, argv, 4, &source_filename, &target_filename,
1194 &target_sha1, &target_size_str) < 0) {
1195 return NULL;
Doug Zongker8edb00c2009-06-11 17:21:44 -07001196 }
Doug Zongker8edb00c2009-06-11 17:21:44 -07001197
Tao Baob15fd222015-09-24 11:10:51 -07001198 size_t target_size;
1199 if (!android::base::ParseUint(target_size_str, &target_size)) {
Tianjie Xu16255832016-04-30 11:49:59 -07001200 ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count",
1201 name, target_size_str);
Doug Zongkerc4351c72010-02-22 14:46:32 -08001202 free(source_filename);
1203 free(target_filename);
1204 free(target_sha1);
1205 free(target_size_str);
Tao Baob15fd222015-09-24 11:10:51 -07001206 return nullptr;
Doug Zongkerc4351c72010-02-22 14:46:32 -08001207 }
1208
1209 int patchcount = (argc-4) / 2;
Yabin Cui64be2132016-02-03 18:16:02 -08001210 std::unique_ptr<Value*, decltype(&free)> arg_values(ReadValueVarArgs(state, argc-4, argv+4),
1211 free);
1212 if (!arg_values) {
1213 return nullptr;
1214 }
1215 std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> patch_shas;
1216 std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> patches;
1217 // Protect values by unique_ptrs first to get rid of memory leak.
1218 for (int i = 0; i < patchcount * 2; i += 2) {
1219 patch_shas.emplace_back(arg_values.get()[i], FreeValue);
1220 patches.emplace_back(arg_values.get()[i+1], FreeValue);
1221 }
Doug Zongker8edb00c2009-06-11 17:21:44 -07001222
Yabin Cui64be2132016-02-03 18:16:02 -08001223 for (int i = 0; i < patchcount; ++i) {
1224 if (patch_shas[i]->type != VAL_STRING) {
Tianjie Xu16255832016-04-30 11:49:59 -07001225 ErrorAbort(state, kArgsParsingFailure, "%s(): sha-1 #%d is not string", name, i);
Yabin Cui64be2132016-02-03 18:16:02 -08001226 return nullptr;
Doug Zongkerc4351c72010-02-22 14:46:32 -08001227 }
Yabin Cui64be2132016-02-03 18:16:02 -08001228 if (patches[i]->type != VAL_BLOB) {
Tianjie Xu16255832016-04-30 11:49:59 -07001229 ErrorAbort(state, kArgsParsingFailure, "%s(): patch #%d is not blob", name, i);
Yabin Cui64be2132016-02-03 18:16:02 -08001230 return nullptr;
Doug Zongkerc4351c72010-02-22 14:46:32 -08001231 }
Doug Zongker8edb00c2009-06-11 17:21:44 -07001232 }
Doug Zongker8edb00c2009-06-11 17:21:44 -07001233
Yabin Cui64be2132016-02-03 18:16:02 -08001234 std::vector<char*> patch_sha_str;
1235 std::vector<Value*> patch_ptrs;
1236 for (int i = 0; i < patchcount; ++i) {
1237 patch_sha_str.push_back(patch_shas[i]->data);
1238 patch_ptrs.push_back(patches[i].get());
Doug Zongker8edb00c2009-06-11 17:21:44 -07001239 }
Doug Zongkerc4351c72010-02-22 14:46:32 -08001240
1241 int result = applypatch(source_filename, target_filename,
1242 target_sha1, target_size,
Yabin Cui64be2132016-02-03 18:16:02 -08001243 patchcount, patch_sha_str.data(), patch_ptrs.data(), NULL);
Doug Zongkerc4351c72010-02-22 14:46:32 -08001244
1245 return StringValue(strdup(result == 0 ? "t" : ""));
1246}
1247
1248// apply_patch_check(file, [sha1_1, ...])
1249Value* ApplyPatchCheckFn(const char* name, State* state,
1250 int argc, Expr* argv[]) {
1251 if (argc < 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001252 return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 1 arg, got %d",
Doug Zongkerc4351c72010-02-22 14:46:32 -08001253 name, argc);
1254 }
1255
1256 char* filename;
1257 if (ReadArgs(state, argv, 1, &filename) < 0) {
1258 return NULL;
1259 }
1260
1261 int patchcount = argc-1;
1262 char** sha1s = ReadVarArgs(state, argc-1, argv+1);
1263
1264 int result = applypatch_check(filename, patchcount, sha1s);
1265
1266 int i;
1267 for (i = 0; i < patchcount; ++i) {
1268 free(sha1s[i]);
1269 }
1270 free(sha1s);
1271
1272 return StringValue(strdup(result == 0 ? "t" : ""));
Doug Zongker8edb00c2009-06-11 17:21:44 -07001273}
1274
Tao Bao1107d962015-09-09 17:16:55 -07001275// This is the updater side handler for ui_print() in edify script. Contents
1276// will be sent over to the recovery side for on-screen display.
Doug Zongker512536a2010-02-17 16:11:44 -08001277Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001278 char** args = ReadVarArgs(state, argc, argv);
1279 if (args == NULL) {
1280 return NULL;
1281 }
1282
Tao Bao1107d962015-09-09 17:16:55 -07001283 std::string buffer;
1284 for (int i = 0; i < argc; ++i) {
1285 buffer += args[i];
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001286 free(args[i]);
1287 }
1288 free(args);
Tao Bao1107d962015-09-09 17:16:55 -07001289
1290 buffer += "\n";
Michael Runged4a63422014-10-22 19:48:41 -07001291 uiPrint(state, buffer);
Tao Bao1107d962015-09-09 17:16:55 -07001292 return StringValue(strdup(buffer.c_str()));
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001293}
1294
Doug Zongkerd0181b82011-10-19 10:51:12 -07001295Value* WipeCacheFn(const char* name, State* state, int argc, Expr* argv[]) {
1296 if (argc != 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001297 return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc);
Doug Zongkerd0181b82011-10-19 10:51:12 -07001298 }
1299 fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe, "wipe_cache\n");
1300 return StringValue(strdup("t"));
1301}
1302
Doug Zongker512536a2010-02-17 16:11:44 -08001303Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001304 if (argc < 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001305 return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001306 }
1307 char** args = ReadVarArgs(state, argc, argv);
1308 if (args == NULL) {
1309 return NULL;
1310 }
1311
Tao Baoba9a42a2015-06-23 23:23:33 -07001312 char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001313 memcpy(args2, args, sizeof(char*) * argc);
1314 args2[argc] = NULL;
1315
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001316 printf("about to run program [%s] with %d args\n", args2[0], argc);
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001317
1318 pid_t child = fork();
1319 if (child == 0) {
1320 execv(args2[0], args2);
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001321 printf("run_program: execv failed: %s\n", strerror(errno));
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001322 _exit(1);
1323 }
1324 int status;
1325 waitpid(child, &status, 0);
1326 if (WIFEXITED(status)) {
1327 if (WEXITSTATUS(status) != 0) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001328 printf("run_program: child exited with status %d\n",
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001329 WEXITSTATUS(status));
1330 }
1331 } else if (WIFSIGNALED(status)) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001332 printf("run_program: child terminated by signal %d\n",
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001333 WTERMSIG(status));
1334 }
1335
1336 int i;
1337 for (i = 0; i < argc; ++i) {
1338 free(args[i]);
1339 }
1340 free(args);
1341 free(args2);
1342
1343 char buffer[20];
1344 sprintf(buffer, "%d", status);
1345
Doug Zongker512536a2010-02-17 16:11:44 -08001346 return StringValue(strdup(buffer));
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001347}
1348
Doug Zongker512536a2010-02-17 16:11:44 -08001349// sha1_check(data)
1350// to return the sha1 of the data (given in the format returned by
1351// read_file).
1352//
1353// sha1_check(data, sha1_hex, [sha1_hex, ...])
1354// returns the sha1 of the file if it matches any of the hex
1355// strings passed, or "" if it does not equal any of them.
1356//
1357Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
1358 if (argc < 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001359 return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
Doug Zongker512536a2010-02-17 16:11:44 -08001360 }
1361
Yabin Cui64be2132016-02-03 18:16:02 -08001362 std::unique_ptr<Value*, decltype(&free)> arg_values(ReadValueVarArgs(state, argc, argv), free);
1363 if (arg_values == nullptr) {
1364 return nullptr;
1365 }
1366 std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> args;
1367 for (int i = 0; i < argc; ++i) {
1368 args.emplace_back(arg_values.get()[i], FreeValue);
Doug Zongker512536a2010-02-17 16:11:44 -08001369 }
1370
1371 if (args[0]->size < 0) {
Doug Zongker512536a2010-02-17 16:11:44 -08001372 return StringValue(strdup(""));
1373 }
Sen Jiangc48cb5e2016-02-04 16:23:21 +08001374 uint8_t digest[SHA_DIGEST_LENGTH];
1375 SHA1(reinterpret_cast<uint8_t*>(args[0]->data), args[0]->size, digest);
Doug Zongker512536a2010-02-17 16:11:44 -08001376
1377 if (argc == 1) {
1378 return StringValue(PrintSha1(digest));
1379 }
1380
1381 int i;
Yabin Cui64be2132016-02-03 18:16:02 -08001382 uint8_t arg_digest[SHA_DIGEST_LENGTH];
Doug Zongker512536a2010-02-17 16:11:44 -08001383 for (i = 1; i < argc; ++i) {
1384 if (args[i]->type != VAL_STRING) {
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001385 printf("%s(): arg %d is not a string; skipping",
Doug Zongker512536a2010-02-17 16:11:44 -08001386 name, i);
1387 } else if (ParseSha1(args[i]->data, arg_digest) != 0) {
1388 // Warn about bad args and skip them.
Doug Zongkerfafc85b2013-07-09 12:29:45 -07001389 printf("%s(): error parsing \"%s\" as sha-1; skipping",
1390 name, args[i]->data);
Sen Jiangc48cb5e2016-02-04 16:23:21 +08001391 } else if (memcmp(digest, arg_digest, SHA_DIGEST_LENGTH) == 0) {
Doug Zongker512536a2010-02-17 16:11:44 -08001392 break;
1393 }
Doug Zongker512536a2010-02-17 16:11:44 -08001394 }
1395 if (i >= argc) {
1396 // Didn't match any of the hex strings; return false.
1397 return StringValue(strdup(""));
1398 }
Yabin Cui64be2132016-02-03 18:16:02 -08001399 // Found a match.
1400 return args[i].release();
Doug Zongker512536a2010-02-17 16:11:44 -08001401}
1402
Hristo Bojinovdb314d62010-08-02 10:29:49 -07001403// Read a local file and return its contents (the Value* returned
Doug Zongker512536a2010-02-17 16:11:44 -08001404// is actually a FileContents*).
1405Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
1406 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001407 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongker512536a2010-02-17 16:11:44 -08001408 }
1409 char* filename;
1410 if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
1411
Yabin Cuid6c93af2016-02-10 16:41:10 -08001412 Value* v = static_cast<Value*>(malloc(sizeof(Value)));
1413 if (v == nullptr) {
1414 return nullptr;
1415 }
Doug Zongker512536a2010-02-17 16:11:44 -08001416 v->type = VAL_BLOB;
Yabin Cuid6c93af2016-02-10 16:41:10 -08001417 v->size = -1;
1418 v->data = nullptr;
Doug Zongker512536a2010-02-17 16:11:44 -08001419
1420 FileContents fc;
Doug Zongkera1bc1482014-02-13 15:18:19 -08001421 if (LoadFileContents(filename, &fc) != 0) {
Yabin Cuid6c93af2016-02-10 16:41:10 -08001422 v->data = static_cast<char*>(malloc(fc.data.size()));
1423 if (v->data != nullptr) {
1424 memcpy(v->data, fc.data.data(), fc.data.size());
1425 v->size = fc.data.size();
1426 }
Doug Zongker512536a2010-02-17 16:11:44 -08001427 }
Doug Zongker512536a2010-02-17 16:11:44 -08001428 free(filename);
1429 return v;
1430}
Doug Zongker8edb00c2009-06-11 17:21:44 -07001431
Doug Zongkerc87bab12013-11-25 13:53:25 -08001432// Immediately reboot the device. Recovery is not finished normally,
1433// so if you reboot into recovery it will re-start applying the
1434// current package (because nothing has cleared the copy of the
1435// arguments stored in the BCB).
1436//
1437// The argument is the partition name passed to the android reboot
1438// property. It can be "recovery" to boot from the recovery
1439// partition, or "" (empty string) to boot from the regular boot
1440// partition.
1441Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) {
1442 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -07001443 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001444 }
1445
1446 char* filename;
1447 char* property;
1448 if (ReadArgs(state, argv, 2, &filename, &property) < 0) return NULL;
1449
1450 char buffer[80];
1451
1452 // zero out the 'command' field of the bootloader message.
1453 memset(buffer, 0, sizeof(((struct bootloader_message*)0)->command));
Jed Estepa7b9a462015-12-15 16:04:53 -08001454 FILE* f = ota_fopen(filename, "r+b");
Doug Zongkerc87bab12013-11-25 13:53:25 -08001455 fseek(f, offsetof(struct bootloader_message, command), SEEK_SET);
Jed Estepa7b9a462015-12-15 16:04:53 -08001456 ota_fwrite(buffer, sizeof(((struct bootloader_message*)0)->command), 1, f);
1457 ota_fclose(f);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001458 free(filename);
1459
1460 strcpy(buffer, "reboot,");
1461 if (property != NULL) {
1462 strncat(buffer, property, sizeof(buffer)-10);
1463 }
1464
1465 property_set(ANDROID_RB_PROPERTY, buffer);
1466
1467 sleep(5);
1468 free(property);
Tianjie Xu16255832016-04-30 11:49:59 -07001469 ErrorAbort(state, kRebootFailure, "%s() failed to reboot", name);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001470 return NULL;
1471}
1472
1473// Store a string value somewhere that future invocations of recovery
1474// can access it. This value is called the "stage" and can be used to
1475// drive packages that need to do reboots in the middle of
1476// installation and keep track of where they are in the multi-stage
1477// install.
1478//
1479// The first argument is the block device for the misc partition
1480// ("/misc" in the fstab), which is where this value is stored. The
1481// second argument is the string to store; it should not exceed 31
1482// bytes.
1483Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
1484 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -07001485 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001486 }
1487
1488 char* filename;
1489 char* stagestr;
1490 if (ReadArgs(state, argv, 2, &filename, &stagestr) < 0) return NULL;
1491
1492 // Store this value in the misc partition, immediately after the
1493 // bootloader message that the main recovery uses to save its
1494 // arguments in case of the device restarting midway through
1495 // package installation.
Jed Estepa7b9a462015-12-15 16:04:53 -08001496 FILE* f = ota_fopen(filename, "r+b");
Doug Zongkerc87bab12013-11-25 13:53:25 -08001497 fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
1498 int to_write = strlen(stagestr)+1;
1499 int max_size = sizeof(((struct bootloader_message*)0)->stage);
1500 if (to_write > max_size) {
1501 to_write = max_size;
1502 stagestr[max_size-1] = 0;
1503 }
Jed Estepa7b9a462015-12-15 16:04:53 -08001504 ota_fwrite(stagestr, to_write, 1, f);
1505 ota_fclose(f);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001506
1507 free(stagestr);
1508 return StringValue(filename);
1509}
1510
1511// Return the value most recently saved with SetStageFn. The argument
1512// is the block device for the misc partition.
1513Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001514 if (argc != 1) {
Tianjie Xu16255832016-04-30 11:49:59 -07001515 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001516 }
1517
1518 char* filename;
1519 if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
1520
1521 char buffer[sizeof(((struct bootloader_message*)0)->stage)];
Jed Estepa7b9a462015-12-15 16:04:53 -08001522 FILE* f = ota_fopen(filename, "rb");
Doug Zongkerc87bab12013-11-25 13:53:25 -08001523 fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
Jed Estepa7b9a462015-12-15 16:04:53 -08001524 ota_fread(buffer, sizeof(buffer), 1, f);
1525 ota_fclose(f);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001526 buffer[sizeof(buffer)-1] = '\0';
1527
1528 return StringValue(strdup(buffer));
1529}
1530
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001531Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[]) {
1532 if (argc != 2) {
Tianjie Xu16255832016-04-30 11:49:59 -07001533 return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001534 }
1535
1536 char* filename;
1537 char* len_str;
1538 if (ReadArgs(state, argv, 2, &filename, &len_str) < 0) return NULL;
1539
Tao Baob15fd222015-09-24 11:10:51 -07001540 size_t len;
1541 android::base::ParseUint(len_str, &len);
Jed Estepa7b9a462015-12-15 16:04:53 -08001542 int fd = ota_open(filename, O_WRONLY, 0644);
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001543 int success = wipe_block_device(fd, len);
1544
1545 free(filename);
1546 free(len_str);
1547
Jed Estepa7b9a462015-12-15 16:04:53 -08001548 ota_close(fd);
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001549
1550 return StringValue(strdup(success ? "t" : ""));
1551}
1552
Doug Zongkerc704e062014-05-23 08:40:35 -07001553Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
1554 if (argc != 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001555 return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc);
Doug Zongkerc704e062014-05-23 08:40:35 -07001556 }
1557 UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
1558 fprintf(ui->cmd_pipe, "enable_reboot\n");
1559 return StringValue(strdup("t"));
1560}
1561
Michael Rungeacf47db2014-11-21 00:12:28 -08001562Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
1563 if (argc == 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001564 return ErrorAbort(state, kArgsParsingFailure, "%s() expects args, got %d", name, argc);
Michael Rungeacf47db2014-11-21 00:12:28 -08001565 }
1566
1567 char** args = ReadVarArgs(state, argc, argv);
1568 if (args == NULL) {
Tianjie Xu16255832016-04-30 11:49:59 -07001569 return ErrorAbort(state, kArgsParsingFailure, "%s() could not read args", name);
Michael Rungeacf47db2014-11-21 00:12:28 -08001570 }
1571
Tao Baoba9a42a2015-06-23 23:23:33 -07001572 char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
Michael Rungeacf47db2014-11-21 00:12:28 -08001573 // Tune2fs expects the program name as its args[0]
1574 args2[0] = strdup(name);
Tao Baoba9a42a2015-06-23 23:23:33 -07001575 for (int i = 0; i < argc; ++i) {
Michael Rungeacf47db2014-11-21 00:12:28 -08001576 args2[i + 1] = args[i];
1577 }
1578 int result = tune2fs_main(argc + 1, args2);
Tao Baoba9a42a2015-06-23 23:23:33 -07001579 for (int i = 0; i < argc; ++i) {
Michael Rungeacf47db2014-11-21 00:12:28 -08001580 free(args[i]);
1581 }
1582 free(args);
1583
1584 free(args2[0]);
1585 free(args2);
1586 if (result != 0) {
Tianjie Xu16255832016-04-30 11:49:59 -07001587 return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d",
1588 name, result);
Michael Rungeacf47db2014-11-21 00:12:28 -08001589 }
1590 return StringValue(strdup("t"));
1591}
1592
Doug Zongker9931f7f2009-06-10 14:11:53 -07001593void RegisterInstallFunctions() {
1594 RegisterFunction("mount", MountFn);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001595 RegisterFunction("is_mounted", IsMountedFn);
Doug Zongker9931f7f2009-06-10 14:11:53 -07001596 RegisterFunction("unmount", UnmountFn);
1597 RegisterFunction("format", FormatFn);
1598 RegisterFunction("show_progress", ShowProgressFn);
Doug Zongkerfbf3c102009-06-24 09:36:20 -07001599 RegisterFunction("set_progress", SetProgressFn);
Doug Zongker9931f7f2009-06-10 14:11:53 -07001600 RegisterFunction("delete", DeleteFn);
1601 RegisterFunction("delete_recursive", DeleteFn);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001602 RegisterFunction("package_extract_dir", PackageExtractDirFn);
1603 RegisterFunction("package_extract_file", PackageExtractFileFn);
Doug Zongker9931f7f2009-06-10 14:11:53 -07001604 RegisterFunction("symlink", SymlinkFn);
Nick Kralevich5dbdef02013-09-07 14:41:06 -07001605
Nick Kralevich5dbdef02013-09-07 14:41:06 -07001606 // Usage:
1607 // set_metadata("filename", "key1", "value1", "key2", "value2", ...)
1608 // Example:
1609 // set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
1610 RegisterFunction("set_metadata", SetMetadataFn);
1611
1612 // Usage:
1613 // set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...)
1614 // Example:
1615 // set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
1616 RegisterFunction("set_metadata_recursive", SetMetadataFn);
1617
Doug Zongker8edb00c2009-06-11 17:21:44 -07001618 RegisterFunction("getprop", GetPropFn);
Doug Zongker47cace92009-06-18 10:11:50 -07001619 RegisterFunction("file_getprop", FileGetPropFn);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001620 RegisterFunction("write_raw_image", WriteRawImageFn);
Doug Zongker8edb00c2009-06-11 17:21:44 -07001621
1622 RegisterFunction("apply_patch", ApplyPatchFn);
Doug Zongkerc4351c72010-02-22 14:46:32 -08001623 RegisterFunction("apply_patch_check", ApplyPatchCheckFn);
1624 RegisterFunction("apply_patch_space", ApplyPatchSpaceFn);
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001625
Doug Zongkerc9d6e4f2014-02-24 16:02:50 -08001626 RegisterFunction("wipe_block_device", WipeBlockDeviceFn);
Doug Zongker52b40362014-02-10 15:30:30 -08001627
Doug Zongker512536a2010-02-17 16:11:44 -08001628 RegisterFunction("read_file", ReadFileFn);
1629 RegisterFunction("sha1_check", Sha1CheckFn);
Michael Rungece7ca712013-11-06 17:42:20 -08001630 RegisterFunction("rename", RenameFn);
Doug Zongker512536a2010-02-17 16:11:44 -08001631
Doug Zongkerd0181b82011-10-19 10:51:12 -07001632 RegisterFunction("wipe_cache", WipeCacheFn);
1633
Doug Zongkerd9c9d102009-06-12 12:24:39 -07001634 RegisterFunction("ui_print", UIPrintFn);
Doug Zongkera3f89ea2009-09-10 14:10:48 -07001635
1636 RegisterFunction("run_program", RunProgramFn);
Doug Zongkerc87bab12013-11-25 13:53:25 -08001637
1638 RegisterFunction("reboot_now", RebootNowFn);
1639 RegisterFunction("get_stage", GetStageFn);
1640 RegisterFunction("set_stage", SetStageFn);
Doug Zongkerc704e062014-05-23 08:40:35 -07001641
1642 RegisterFunction("enable_reboot", EnableRebootFn);
Michael Rungeacf47db2014-11-21 00:12:28 -08001643 RegisterFunction("tune2fs", Tune2FsFn);
Doug Zongker9931f7f2009-06-10 14:11:53 -07001644}