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1 | /* | |
2 | * Copyright (C) 2007-2012 Kay Sievers <kay@vrfy.org> | |
3 | * | |
4 | * This program is free software: you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation, either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include <errno.h> | |
19 | #include <getopt.h> | |
20 | #include <stddef.h> | |
21 | #include <stdio.h> | |
22 | ||
23 | #include "selinux-util.h" | |
24 | #include "string-util.h" | |
25 | #include "udev.h" | |
26 | ||
27 | static int adm_version(struct udev *udev, int argc, char *argv[]) { | |
28 | printf("%s\n", VERSION); | |
29 | return 0; | |
30 | } | |
31 | ||
32 | static const struct udevadm_cmd udevadm_version = { | |
33 | .name = "version", | |
34 | .cmd = adm_version, | |
35 | }; | |
36 | ||
37 | static int adm_help(struct udev *udev, int argc, char *argv[]); | |
38 | ||
39 | static const struct udevadm_cmd udevadm_help = { | |
40 | .name = "help", | |
41 | .cmd = adm_help, | |
42 | }; | |
43 | ||
44 | static const struct udevadm_cmd *udevadm_cmds[] = { | |
45 | &udevadm_info, | |
46 | &udevadm_trigger, | |
47 | &udevadm_settle, | |
48 | &udevadm_control, | |
49 | &udevadm_monitor, | |
50 | &udevadm_hwdb, | |
51 | &udevadm_test, | |
52 | &udevadm_test_builtin, | |
53 | &udevadm_version, | |
54 | &udevadm_help, | |
55 | }; | |
56 | ||
57 | static int adm_help(struct udev *udev, int argc, char *argv[]) { | |
58 | unsigned int i; | |
59 | ||
60 | printf("%s [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n\n" | |
61 | "Send control commands or test the device manager.\n\n" | |
62 | "Commands:\n" | |
63 | , program_invocation_short_name); | |
64 | ||
65 | for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++) | |
66 | if (udevadm_cmds[i]->help != NULL) | |
67 | printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); | |
68 | return 0; | |
69 | } | |
70 | ||
71 | static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[]) { | |
72 | if (cmd->debug) | |
73 | log_set_max_level(LOG_DEBUG); | |
74 | log_debug("calling: %s", cmd->name); | |
75 | return cmd->cmd(udev, argc, argv); | |
76 | } | |
77 | ||
78 | int main(int argc, char *argv[]) { | |
79 | struct udev *udev; | |
80 | static const struct option options[] = { | |
81 | { "debug", no_argument, NULL, 'd' }, | |
82 | { "help", no_argument, NULL, 'h' }, | |
83 | { "version", no_argument, NULL, 'V' }, | |
84 | {} | |
85 | }; | |
86 | const char *command; | |
87 | unsigned int i; | |
88 | int rc = 1, c; | |
89 | ||
90 | udev = udev_new(); | |
91 | if (udev == NULL) | |
92 | goto out; | |
93 | ||
94 | log_parse_environment(); | |
95 | log_open(); | |
96 | mac_selinux_init("/dev"); | |
97 | ||
98 | while ((c = getopt_long(argc, argv, "+dhV", options, NULL)) >= 0) | |
99 | switch (c) { | |
100 | ||
101 | case 'd': | |
102 | log_set_max_level(LOG_DEBUG); | |
103 | break; | |
104 | ||
105 | case 'h': | |
106 | rc = adm_help(udev, argc, argv); | |
107 | goto out; | |
108 | ||
109 | case 'V': | |
110 | rc = adm_version(udev, argc, argv); | |
111 | goto out; | |
112 | ||
113 | default: | |
114 | goto out; | |
115 | } | |
116 | ||
117 | command = argv[optind]; | |
118 | ||
119 | if (command != NULL) | |
120 | for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++) | |
121 | if (streq(udevadm_cmds[i]->name, command)) { | |
122 | argc -= optind; | |
123 | argv += optind; | |
124 | /* we need '0' here to reset the internal state */ | |
125 | optind = 0; | |
126 | rc = run_command(udev, udevadm_cmds[i], argc, argv); | |
127 | goto out; | |
128 | } | |
129 | ||
130 | fprintf(stderr, "%s: missing or unknown command\n", program_invocation_short_name); | |
131 | rc = 2; | |
132 | out: | |
133 | mac_selinux_finish(); | |
134 | udev_unref(udev); | |
135 | log_close(); | |
136 | return rc; | |
137 | } |