]>
Commit | Line | Data |
---|---|---|
15673083 MS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | Copyright 2011 Michal Schmidt | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <errno.h> | |
24 | #include <stdio.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | #include "log.h" | |
28 | #include "util.h" | |
29 | ||
30 | #if defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) | |
31 | #define SCRIPT_PATH "/etc/rc.d/rc.local" | |
32 | #elif defined(TARGET_SUSE) | |
33 | #define SCRIPT_PATH "/etc/init.d/boot.local" | |
34 | #endif | |
35 | ||
36 | const char *arg_dest = "/tmp"; | |
37 | ||
38 | static int add_symlink(const char *service) { | |
39 | char *from = NULL, *to = NULL; | |
40 | int r; | |
41 | ||
42 | assert(service); | |
43 | ||
44 | asprintf(&from, SYSTEM_DATA_UNIT_PATH "/%s", service); | |
45 | asprintf(&to, "%s/multi-user.target.wants/%s", arg_dest, service); | |
46 | ||
47 | if (!from || !to) { | |
48 | log_error("Out of memory"); | |
49 | r = -ENOMEM; | |
50 | goto finish; | |
51 | } | |
52 | ||
53 | mkdir_parents(to, 0755); | |
54 | ||
55 | r = symlink(from, to); | |
56 | if (r < 0) { | |
57 | if (errno == EEXIST) | |
58 | r = 0; | |
59 | else { | |
60 | log_error("Failed to create symlink from %s to %s: %m", from, to); | |
61 | r = -errno; | |
62 | } | |
63 | } | |
64 | ||
65 | finish: | |
66 | ||
67 | free(from); | |
68 | free(to); | |
69 | ||
70 | return r; | |
71 | } | |
72 | ||
73 | static bool file_is_executable(const char *f) { | |
74 | struct stat st; | |
75 | ||
76 | if (stat(f, &st) < 0) | |
77 | return false; | |
78 | ||
79 | return S_ISREG(st.st_mode) && (st.st_mode & 0111); | |
80 | } | |
81 | ||
82 | int main(int argc, char *argv[]) { | |
83 | ||
84 | int r = EXIT_SUCCESS; | |
85 | ||
86 | if (argc > 2) { | |
87 | log_error("This program takes one or no arguments."); | |
88 | return EXIT_FAILURE; | |
89 | } | |
90 | ||
4cfa2c99 | 91 | log_set_target(LOG_TARGET_AUTO); |
15673083 MS |
92 | log_parse_environment(); |
93 | log_open(); | |
94 | ||
95 | if (argc > 1) | |
96 | arg_dest = argv[1]; | |
97 | ||
98 | if (file_is_executable(SCRIPT_PATH)) { | |
99 | log_debug("Automatically adding rc-local.service."); | |
100 | ||
101 | if (add_symlink("rc-local.service") < 0) | |
102 | r = EXIT_FAILURE; | |
103 | ||
104 | } | |
105 | ||
106 | return r; | |
107 | } |