blob: b29745423ff45ec73ff7c03ea4a4290fd1d0fdcc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (c) 2000 - 2017 Samsung Electronics Co., Ltd.
*
* Contact: MyoungJune Park <mj2004.park@samsung.com>
* Created by Wonil Choi <wonil22.choi@samsung.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/reboot.h>
static const char *RESET_FLAG_FILE = "/opt/.factoryreset";
static const char *RUN_SCRIPT_FILE = "/usr/bin/run-factory-reset.sh";
int run_factory_reset(void)
{
int status;
pid_t cpid;
const char *script_cmd[] = {RUN_SCRIPT_FILE, NULL};
cpid = fork();
/* error */
if (cpid == -1) {
perror("fork");
return -1;
}
/* child */
if (cpid == 0) {
execvp(script_cmd[0], (char *const *)script_cmd);
_exit(-1);
}
/* parent */
if (waitpid(cpid, &status, 0) == -1) {
perror("waitpid failed");
return -1;
}
if (WIFSIGNALED(status)) {
perror("exit by signal");
return -1;
}
if (!WIFEXITED(status)) {
perror("exit abnormally");
return -1;
}
if (WIFEXITED(status) && WEXITSTATUS(status)) {
perror("child return error");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
FILE *fp;
/* touch /opt/.factoryreset */
fp = fopen(RESET_FLAG_FILE, "w");
if (fp == NULL) {
perror("reset flg file open error");
return -1;
}
fclose(fp);
run_factory_reset();
/* unlink /opt/.factoryreset */
unlink(RESET_FLAG_FILE);
sync();
reboot(RB_AUTOBOOT);
return 0;
}
|
