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
93
94
95
96
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "runsvc.h"
static int runlst_wait(exec_t *list)
{
pid_t ret, pid;
int status;
for (; list != NULL; list = list->next) {
pid = fork();
if (pid == 0)
argv_exec(list);
if (pid == -1) {
perror("fork");
return EXIT_FAILURE;
}
do {
ret = waitpid(pid, &status, 0);
} while (ret != pid);
if (!WIFEXITED(status))
return EXIT_FAILURE;
if (WEXITSTATUS(status) != EXIT_SUCCESS)
return WEXITSTATUS(status);
}
return EXIT_SUCCESS;
}
/*****************************************************************************/
int main(int argc, char **argv)
{
int dirfd, ret = EXIT_FAILURE;
service_t *svc = NULL;
if (argc != 3) {
fputs("usage: runsvc <directory> <filename>\n", stderr);
goto out;
}
if (getppid() != 1) {
fputs("must be run by init!\n", stderr);
goto out;
}
dirfd = open(argv[1], O_RDONLY | O_DIRECTORY);
if (dirfd < 0) {
perror(argv[1]);
goto out;
}
svc = rdsvc(dirfd, argv[2], RDSVC_NO_FNAME | RDSVC_NO_DEPS);
close(dirfd);
if (svc == NULL)
goto out;
if (svc->exec == NULL) {
ret = EXIT_SUCCESS;
goto out;
}
if (initenv())
goto out;
if (setup_tty(svc->ctty, (svc->flags & SVC_FLAG_TRUNCATE_OUT) != 0))
goto out;
if (svc->exec->next == NULL)
argv_exec(svc->exec);
ret = runlst_wait(svc->exec);
out:
delsvc(svc);
return ret;
}
|
