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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> |
1298001e | 3 | * Copyright (C) 2004-2008 Kay Sievers <kay@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> |
eff4a673 | 28 | #include <getopt.h> |
2181d30a | 29 | #include <sys/signalfd.h> |
bb051f66 GKH |
30 | |
31 | #include "udev.h" | |
44433ebd | 32 | #include "udev-util.h" |
bb051f66 | 33 | |
9ec6e95b | 34 | static int adm_test(struct udev *udev, int argc, char *argv[]) { |
912541b0 KS |
35 | int resolve_names = 1; |
36 | char filename[UTIL_PATH_SIZE]; | |
37 | const char *action = "add"; | |
38 | const char *syspath = NULL; | |
912541b0 | 39 | struct udev_list_entry *entry; |
44433ebd ZJS |
40 | _cleanup_udev_rules_unref_ struct udev_rules *rules = NULL; |
41 | _cleanup_udev_device_unref_ struct udev_device *dev = NULL; | |
42 | _cleanup_udev_event_unref_ struct udev_event *event = NULL; | |
912541b0 | 43 | sigset_t mask, sigmask_orig; |
7643ac9a | 44 | int rc = 0, c; |
912541b0 KS |
45 | |
46 | static const struct option options[] = { | |
47 | { "action", required_argument, NULL, 'a' }, | |
48 | { "resolve-names", required_argument, NULL, 'N' }, | |
49 | { "help", no_argument, NULL, 'h' }, | |
50 | {} | |
51 | }; | |
52 | ||
9f6445e3 | 53 | log_debug("version %s", VERSION); |
912541b0 | 54 | |
7643ac9a ZJS |
55 | while((c = getopt_long(argc, argv, "a:N:h", options, NULL)) >= 0) |
56 | switch (c) { | |
912541b0 KS |
57 | case 'a': |
58 | action = optarg; | |
59 | break; | |
60 | case 'N': | |
090be865 | 61 | if (streq (optarg, "early")) { |
912541b0 | 62 | resolve_names = 1; |
090be865 | 63 | } else if (streq (optarg, "late")) { |
912541b0 | 64 | resolve_names = 0; |
090be865 | 65 | } else if (streq (optarg, "never")) { |
912541b0 KS |
66 | resolve_names = -1; |
67 | } else { | |
68 | fprintf(stderr, "resolve-names must be early, late or never\n"); | |
9f6445e3 | 69 | log_error("resolve-names must be early, late or never"); |
912541b0 KS |
70 | exit(EXIT_FAILURE); |
71 | } | |
72 | break; | |
73 | case 'h': | |
74 | printf("Usage: udevadm test OPTIONS <syspath>\n" | |
7643ac9a ZJS |
75 | " -a,--action=ACTION set action string\n" |
76 | " -N,--resolve-names=early|late|never when to resolve names\n" | |
77 | " -h,--help print this help string\n" | |
78 | "\n"); | |
912541b0 | 79 | exit(EXIT_SUCCESS); |
7643ac9a | 80 | case '?': |
912541b0 | 81 | exit(EXIT_FAILURE); |
7643ac9a ZJS |
82 | default: |
83 | assert_not_reached("Unknown option"); | |
912541b0 | 84 | } |
912541b0 | 85 | |
7643ac9a | 86 | syspath = argv[optind]; |
912541b0 KS |
87 | if (syspath == NULL) { |
88 | fprintf(stderr, "syspath parameter missing\n"); | |
89 | rc = 2; | |
90 | goto out; | |
91 | } | |
92 | ||
baa30fbc | 93 | printf("This program is for debugging only, it does not run any program\n" |
912541b0 KS |
94 | "specified by a RUN key. It may show incorrect results, because\n" |
95 | "some values may be different, or not available at a simulation run.\n" | |
96 | "\n"); | |
97 | ||
98 | sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); | |
99 | ||
100 | udev_builtin_init(udev); | |
101 | ||
102 | rules = udev_rules_new(udev, resolve_names); | |
103 | if (rules == NULL) { | |
104 | fprintf(stderr, "error reading rules\n"); | |
105 | rc = 3; | |
106 | goto out; | |
107 | } | |
108 | ||
109 | /* add /sys if needed */ | |
33502ffe | 110 | if (!startswith(syspath, "/sys")) |
d5a89d7d | 111 | strscpyl(filename, sizeof(filename), "/sys", syspath, NULL); |
912541b0 | 112 | else |
d5a89d7d | 113 | strscpy(filename, sizeof(filename), syspath); |
912541b0 KS |
114 | util_remove_trailing_chars(filename, '/'); |
115 | ||
116 | dev = udev_device_new_from_syspath(udev, filename); | |
117 | if (dev == NULL) { | |
118 | fprintf(stderr, "unable to open device '%s'\n", filename); | |
119 | rc = 4; | |
120 | goto out; | |
121 | } | |
122 | ||
123 | /* skip reading of db, but read kernel parameters */ | |
124 | udev_device_set_info_loaded(dev); | |
125 | udev_device_read_uevent_file(dev); | |
126 | ||
127 | udev_device_set_action(dev, action); | |
128 | event = udev_event_new(dev); | |
129 | ||
130 | sigfillset(&mask); | |
131 | sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); | |
132 | event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); | |
133 | if (event->fd_signal < 0) { | |
134 | fprintf(stderr, "error creating signalfd\n"); | |
135 | rc = 5; | |
136 | goto out; | |
137 | } | |
138 | ||
dd5eddd2 | 139 | udev_event_execute_rules(event, 30 * USEC_PER_SEC, rules, &sigmask_orig); |
912541b0 KS |
140 | |
141 | udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) | |
142 | printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); | |
143 | ||
1ea97217 KS |
144 | udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) { |
145 | char program[UTIL_PATH_SIZE]; | |
912541b0 | 146 | |
1ea97217 KS |
147 | udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program)); |
148 | printf("run: '%s'\n", program); | |
912541b0 | 149 | } |
2181d30a | 150 | out: |
912541b0 KS |
151 | if (event != NULL && event->fd_signal >= 0) |
152 | close(event->fd_signal); | |
912541b0 KS |
153 | udev_builtin_exit(udev); |
154 | return rc; | |
bb051f66 | 155 | } |
1985c76e KS |
156 | |
157 | const struct udevadm_cmd udevadm_test = { | |
912541b0 KS |
158 | .name = "test", |
159 | .cmd = adm_test, | |
160 | .help = "test an event run", | |
161 | .debug = true, | |
1985c76e | 162 | }; |