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60f067b4 JS |
1 | |
2 | /*** | |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
60f067b4 JS |
21 | #include <getopt.h> |
22 | ||
60f067b4 | 23 | #include "sd-daemon.h" |
6300502b | 24 | |
86f210e9 | 25 | #include "networkd-wait-online.h" |
6300502b MP |
26 | #include "signal-util.h" |
27 | #include "strv.h" | |
60f067b4 JS |
28 | |
29 | static bool arg_quiet = false; | |
e735f4d4 | 30 | static usec_t arg_timeout = 120 * USEC_PER_SEC; |
60f067b4 | 31 | static char **arg_interfaces = NULL; |
e735f4d4 | 32 | static char **arg_ignore = NULL; |
60f067b4 | 33 | |
5eef597e | 34 | static void help(void) { |
60f067b4 JS |
35 | printf("%s [OPTIONS...]\n\n" |
36 | "Block until network is configured.\n\n" | |
37 | " -h --help Show this help\n" | |
38 | " --version Print version string\n" | |
39 | " -q --quiet Do not show status information\n" | |
5eef597e | 40 | " -i --interface=INTERFACE Block until at least these interfaces have appeared\n" |
e735f4d4 MP |
41 | " --ignore=INTERFACE Don't take these interfaces into account\n" |
42 | " --timeout=SECS Maximum time to wait for network connectivity\n" | |
5eef597e | 43 | , program_invocation_short_name); |
60f067b4 JS |
44 | } |
45 | ||
46 | static int parse_argv(int argc, char *argv[]) { | |
47 | ||
48 | enum { | |
49 | ARG_VERSION = 0x100, | |
e735f4d4 MP |
50 | ARG_IGNORE, |
51 | ARG_TIMEOUT, | |
60f067b4 JS |
52 | }; |
53 | ||
54 | static const struct option options[] = { | |
55 | { "help", no_argument, NULL, 'h' }, | |
56 | { "version", no_argument, NULL, ARG_VERSION }, | |
57 | { "quiet", no_argument, NULL, 'q' }, | |
58 | { "interface", required_argument, NULL, 'i' }, | |
e735f4d4 MP |
59 | { "ignore", required_argument, NULL, ARG_IGNORE }, |
60 | { "timeout", required_argument, NULL, ARG_TIMEOUT }, | |
60f067b4 JS |
61 | {} |
62 | }; | |
63 | ||
e735f4d4 | 64 | int c, r; |
60f067b4 JS |
65 | |
66 | assert(argc >= 0); | |
67 | assert(argv); | |
68 | ||
7035cd9e | 69 | while ((c = getopt_long(argc, argv, "+hi:q", options, NULL)) >= 0) |
60f067b4 JS |
70 | |
71 | switch (c) { | |
72 | ||
73 | case 'h': | |
5eef597e MP |
74 | help(); |
75 | return 0; | |
60f067b4 JS |
76 | |
77 | case 'q': | |
78 | arg_quiet = true; | |
79 | break; | |
80 | ||
81 | case ARG_VERSION: | |
6300502b | 82 | return version(); |
60f067b4 JS |
83 | |
84 | case 'i': | |
85 | if (strv_extend(&arg_interfaces, optarg) < 0) | |
86 | return log_oom(); | |
87 | ||
88 | break; | |
89 | ||
e735f4d4 MP |
90 | case ARG_IGNORE: |
91 | if (strv_extend(&arg_ignore, optarg) < 0) | |
92 | return log_oom(); | |
93 | ||
94 | break; | |
95 | ||
96 | case ARG_TIMEOUT: | |
97 | r = parse_sec(optarg, &arg_timeout); | |
98 | if (r < 0) | |
99 | return r; | |
100 | ||
101 | break; | |
102 | ||
60f067b4 JS |
103 | case '?': |
104 | return -EINVAL; | |
105 | ||
106 | default: | |
107 | assert_not_reached("Unhandled option"); | |
108 | } | |
60f067b4 JS |
109 | |
110 | return 1; | |
111 | } | |
112 | ||
60f067b4 | 113 | int main(int argc, char *argv[]) { |
5eef597e MP |
114 | _cleanup_(manager_freep) Manager *m = NULL; |
115 | int r; | |
60f067b4 | 116 | |
5eef597e | 117 | log_set_target(LOG_TARGET_AUTO); |
60f067b4 JS |
118 | log_parse_environment(); |
119 | log_open(); | |
120 | ||
5eef597e MP |
121 | umask(0022); |
122 | ||
60f067b4 JS |
123 | r = parse_argv(argc, argv); |
124 | if (r <= 0) | |
125 | return r; | |
126 | ||
127 | if (arg_quiet) | |
128 | log_set_max_level(LOG_WARNING); | |
129 | ||
86f210e9 | 130 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
60f067b4 | 131 | |
e735f4d4 | 132 | r = manager_new(&m, arg_interfaces, arg_ignore, arg_timeout); |
60f067b4 | 133 | if (r < 0) { |
f47781d8 | 134 | log_error_errno(r, "Could not create manager: %m"); |
5eef597e | 135 | goto finish; |
60f067b4 JS |
136 | } |
137 | ||
5eef597e | 138 | if (manager_all_configured(m)) { |
60f067b4 | 139 | r = 0; |
5eef597e | 140 | goto finish; |
60f067b4 JS |
141 | } |
142 | ||
143 | sd_notify(false, | |
144 | "READY=1\n" | |
145 | "STATUS=Waiting for network connections..."); | |
146 | ||
147 | r = sd_event_loop(m->event); | |
148 | if (r < 0) { | |
f47781d8 | 149 | log_error_errno(r, "Event loop failed: %m"); |
5eef597e | 150 | goto finish; |
60f067b4 JS |
151 | } |
152 | ||
5eef597e | 153 | finish: |
e735f4d4 MP |
154 | strv_free(arg_interfaces); |
155 | strv_free(arg_ignore); | |
156 | ||
157 | if (r >= 0) { | |
158 | sd_notify(false, "STATUS=All interfaces configured..."); | |
60f067b4 | 159 | |
e735f4d4 MP |
160 | return EXIT_SUCCESS; |
161 | } else { | |
162 | sd_notify(false, "STATUS=Failed waiting for network connectivity..."); | |
163 | ||
164 | return EXIT_FAILURE; | |
165 | } | |
60f067b4 | 166 | } |