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
|
/* 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 <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "servicecmd.h"
static int cmd_disable(int argc, char **argv)
{
int ret = EXIT_FAILURE;
char *linkname, *ptr;
struct stat sb;
if (argc < 2 || argc > 3) {
fputs("Wrong number of arguments for `disable'.\n"
"Try `service help disable' for more information.\n",
stderr);
return EXIT_FAILURE;
}
for (ptr = argv[1]; isalnum(*ptr) || *ptr == '_'; ++ptr)
;
if (*ptr != '\0') {
fprintf(stderr, "Invalid service name '%s'\n", argv[1]);
return EXIT_FAILURE;
}
if (argc == 3) {
ret = asprintf(&linkname, "%s/%s@%s",
SVCDIR, argv[1], argv[2]);
} else {
ret = asprintf(&linkname, "%s/%s", SVCDIR, argv[1]);
}
if (ret < 0) {
perror("asprintf");
return EXIT_FAILURE;
}
if (lstat(linkname, &sb)) {
fprintf(stderr, "lstat %s: %s\n", linkname, strerror(errno));
goto out;
}
if ((sb.st_mode & S_IFMT) != S_IFLNK) {
fprintf(stderr, "error: '%s' is not a symlink!", linkname);
goto out;
}
if (unlink(linkname)) {
fprintf(stderr, "removing %s: %s\n",
linkname, strerror(errno));
goto out;
}
ret = EXIT_SUCCESS;
out:
free(linkname);
return ret;
}
static command_t disable = {
.cmd = "disable",
.usage = "<name> [argument]",
.s_desc = "disable a service",
.l_desc = "This disables a service by removing the coresponding "
"symlink in " SVCDIR ".",
.run_cmd = cmd_disable,
};
REGISTER_COMMAND(disable)
|
