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Commit | Line | Data |
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bb051f66 | 1 | /* |
e8d569b4 | 2 | * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com> |
55e9959b | 3 | * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org> |
bb051f66 | 4 | * |
55e9959b KS |
5 | * This program is free software: you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 2 of the License, or | |
8 | * (at your option) any later version. | |
bb051f66 | 9 | * |
55e9959b KS |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
bb051f66 GKH |
17 | */ |
18 | ||
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | #include <stdio.h> | |
1aa1e248 KS |
22 | #include <stddef.h> |
23 | #include <unistd.h> | |
bb051f66 GKH |
24 | #include <errno.h> |
25 | #include <ctype.h> | |
68d4af11 | 26 | #include <fcntl.h> |
bb051f66 | 27 | #include <signal.h> |
6b493a20 | 28 | #include <syslog.h> |
eff4a673 | 29 | #include <getopt.h> |
2181d30a | 30 | #include <sys/signalfd.h> |
bb051f66 GKH |
31 | |
32 | #include "udev.h" | |
bb051f66 | 33 | |
1985c76e | 34 | static int adm_test(struct udev *udev, int argc, char *argv[]) |
bb051f66 | 35 | { |
912541b0 KS |
36 | int resolve_names = 1; |
37 | char filename[UTIL_PATH_SIZE]; | |
38 | const char *action = "add"; | |
39 | const char *syspath = NULL; | |
40 | struct udev_event *event = NULL; | |
41 | struct udev_device *dev = NULL; | |
42 | struct udev_rules *rules = NULL; | |
43 | struct udev_list_entry *entry; | |
44 | sigset_t mask, sigmask_orig; | |
45 | int err; | |
46 | int rc = 0; | |
47 | ||
48 | static const struct option options[] = { | |
49 | { "action", required_argument, NULL, 'a' }, | |
50 | { "resolve-names", required_argument, NULL, 'N' }, | |
51 | { "help", no_argument, NULL, 'h' }, | |
52 | {} | |
53 | }; | |
54 | ||
baa30fbc | 55 | log_debug("version %s\n", VERSION); |
912541b0 KS |
56 | |
57 | for (;;) { | |
58 | int option; | |
59 | ||
60 | option = getopt_long(argc, argv, "a:s:N:fh", options, NULL); | |
61 | if (option == -1) | |
62 | break; | |
63 | ||
912541b0 KS |
64 | switch (option) { |
65 | case 'a': | |
66 | action = optarg; | |
67 | break; | |
68 | case 'N': | |
69 | if (strcmp (optarg, "early") == 0) { | |
70 | resolve_names = 1; | |
71 | } else if (strcmp (optarg, "late") == 0) { | |
72 | resolve_names = 0; | |
73 | } else if (strcmp (optarg, "never") == 0) { | |
74 | resolve_names = -1; | |
75 | } else { | |
76 | fprintf(stderr, "resolve-names must be early, late or never\n"); | |
baa30fbc | 77 | log_error("resolve-names must be early, late or never\n"); |
912541b0 KS |
78 | exit(EXIT_FAILURE); |
79 | } | |
80 | break; | |
81 | case 'h': | |
82 | printf("Usage: udevadm test OPTIONS <syspath>\n" | |
83 | " --action=<string> set action string\n" | |
84 | " --help\n\n"); | |
85 | exit(EXIT_SUCCESS); | |
86 | default: | |
87 | exit(EXIT_FAILURE); | |
88 | } | |
89 | } | |
90 | syspath = argv[optind]; | |
91 | ||
92 | if (syspath == NULL) { | |
93 | fprintf(stderr, "syspath parameter missing\n"); | |
94 | rc = 2; | |
95 | goto out; | |
96 | } | |
97 | ||
baa30fbc | 98 | printf("This program is for debugging only, it does not run any program\n" |
912541b0 KS |
99 | "specified by a RUN key. It may show incorrect results, because\n" |
100 | "some values may be different, or not available at a simulation run.\n" | |
101 | "\n"); | |
102 | ||
103 | sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); | |
104 | ||
105 | udev_builtin_init(udev); | |
106 | ||
107 | rules = udev_rules_new(udev, resolve_names); | |
108 | if (rules == NULL) { | |
109 | fprintf(stderr, "error reading rules\n"); | |
110 | rc = 3; | |
111 | goto out; | |
112 | } | |
113 | ||
114 | /* add /sys if needed */ | |
115 | if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) | |
116 | util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL); | |
117 | else | |
118 | util_strscpy(filename, sizeof(filename), syspath); | |
119 | util_remove_trailing_chars(filename, '/'); | |
120 | ||
121 | dev = udev_device_new_from_syspath(udev, filename); | |
122 | if (dev == NULL) { | |
123 | fprintf(stderr, "unable to open device '%s'\n", filename); | |
124 | rc = 4; | |
125 | goto out; | |
126 | } | |
127 | ||
128 | /* skip reading of db, but read kernel parameters */ | |
129 | udev_device_set_info_loaded(dev); | |
130 | udev_device_read_uevent_file(dev); | |
131 | ||
132 | udev_device_set_action(dev, action); | |
133 | event = udev_event_new(dev); | |
134 | ||
135 | sigfillset(&mask); | |
136 | sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); | |
137 | event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); | |
138 | if (event->fd_signal < 0) { | |
139 | fprintf(stderr, "error creating signalfd\n"); | |
140 | rc = 5; | |
141 | goto out; | |
142 | } | |
143 | ||
144 | err = udev_event_execute_rules(event, rules, &sigmask_orig); | |
145 | ||
146 | udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) | |
147 | printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); | |
148 | ||
149 | if (err == 0) { | |
150 | udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) { | |
151 | char program[UTIL_PATH_SIZE]; | |
152 | ||
153 | udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program)); | |
154 | printf("run: '%s'\n", program); | |
155 | } | |
156 | } | |
2181d30a | 157 | out: |
912541b0 KS |
158 | if (event != NULL && event->fd_signal >= 0) |
159 | close(event->fd_signal); | |
160 | udev_event_unref(event); | |
161 | udev_device_unref(dev); | |
162 | udev_rules_unref(rules); | |
163 | udev_builtin_exit(udev); | |
164 | return rc; | |
bb051f66 | 165 | } |
1985c76e KS |
166 | |
167 | const struct udevadm_cmd udevadm_test = { | |
912541b0 KS |
168 | .name = "test", |
169 | .cmd = adm_test, | |
170 | .help = "test an event run", | |
171 | .debug = true, | |
1985c76e | 172 | }; |