2 * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
3 * Copyright (C) 2004-2008 Kay Sievers <kay@vrfy.org>
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.
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.
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/>.
30 #include <sys/signalfd.h>
33 #include "udev-util.h"
35 static int adm_test(struct udev
*udev
, int argc
, char *argv
[])
37 int resolve_names
= 1;
38 char filename
[UTIL_PATH_SIZE
];
39 const char *action
= "add";
40 const char *syspath
= NULL
;
41 struct udev_list_entry
*entry
;
42 _cleanup_udev_rules_unref_
struct udev_rules
*rules
= NULL
;
43 _cleanup_udev_device_unref_
struct udev_device
*dev
= NULL
;
44 _cleanup_udev_event_unref_
struct udev_event
*event
= NULL
;
45 sigset_t mask
, sigmask_orig
;
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' },
55 log_debug("version %s", VERSION
);
57 while((c
= getopt_long(argc
, argv
, "a:N:h", options
, NULL
)) >= 0)
63 if (streq (optarg
, "early")) {
65 } else if (streq (optarg
, "late")) {
67 } else if (streq (optarg
, "never")) {
70 fprintf(stderr
, "resolve-names must be early, late or never\n");
71 log_error("resolve-names must be early, late or never");
76 printf("Usage: udevadm test OPTIONS <syspath>\n"
77 " -a,--action=ACTION set action string\n"
78 " -N,--resolve-names=early|late|never when to resolve names\n"
79 " -h,--help print this help string\n"
85 assert_not_reached("Unknown option");
88 syspath
= argv
[optind
];
89 if (syspath
== NULL
) {
90 fprintf(stderr
, "syspath parameter missing\n");
95 printf("This program is for debugging only, it does not run any program\n"
96 "specified by a RUN key. It may show incorrect results, because\n"
97 "some values may be different, or not available at a simulation run.\n"
100 sigprocmask(SIG_SETMASK
, NULL
, &sigmask_orig
);
102 udev_builtin_init(udev
);
104 rules
= udev_rules_new(udev
, resolve_names
);
106 fprintf(stderr
, "error reading rules\n");
111 /* add /sys if needed */
112 if (!startswith(syspath
, "/sys"))
113 strscpyl(filename
, sizeof(filename
), "/sys", syspath
, NULL
);
115 strscpy(filename
, sizeof(filename
), syspath
);
116 util_remove_trailing_chars(filename
, '/');
118 dev
= udev_device_new_from_syspath(udev
, filename
);
120 fprintf(stderr
, "unable to open device '%s'\n", filename
);
125 /* skip reading of db, but read kernel parameters */
126 udev_device_set_info_loaded(dev
);
127 udev_device_read_uevent_file(dev
);
129 udev_device_set_action(dev
, action
);
130 event
= udev_event_new(dev
);
133 sigprocmask(SIG_SETMASK
, &mask
, &sigmask_orig
);
134 event
->fd_signal
= signalfd(-1, &mask
, SFD_NONBLOCK
|SFD_CLOEXEC
);
135 if (event
->fd_signal
< 0) {
136 fprintf(stderr
, "error creating signalfd\n");
141 udev_event_execute_rules(event
, rules
, &sigmask_orig
);
143 udev_list_entry_foreach(entry
, udev_device_get_properties_list_entry(dev
))
144 printf("%s=%s\n", udev_list_entry_get_name(entry
), udev_list_entry_get_value(entry
));
146 udev_list_entry_foreach(entry
, udev_list_get_entry(&event
->run_list
)) {
147 char program
[UTIL_PATH_SIZE
];
149 udev_event_apply_format(event
, udev_list_entry_get_name(entry
), program
, sizeof(program
));
150 printf("run: '%s'\n", program
);
153 if (event
!= NULL
&& event
->fd_signal
>= 0)
154 close(event
->fd_signal
);
155 udev_builtin_exit(udev
);
159 const struct udevadm_cmd udevadm_test
= {
162 .help
= "test an event run",