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