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
|
/*
* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2004-2008 Kay Sievers <kay.sievers@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 <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include <syslog.h>
#include <getopt.h>
#include "udev.h"
#include "udev-rules.h"
int udevadm_test(struct udev *udev, int argc, char *argv[])
{
char filename[UTIL_PATH_SIZE];
int force = 0;
const char *action = "add";
const char *syspath = NULL;
struct udev_event *event;
struct udev_device *dev;
struct udev_rules rules = {};
int err;
int rc = 0;
static const struct option options[] = {
{ "action", required_argument, NULL, 'a' },
{ "force", no_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{}
};
info(udev, "version %s\n", VERSION);
while (1) {
int option;
option = getopt_long(argc, argv, "a:s:fh", options, NULL);
if (option == -1)
break;
dbg(udev, "option '%c'\n", option);
switch (option) {
case 'a':
action = optarg;
break;
case 'f':
force = 1;
break;
case 'h':
printf("Usage: udevadm test OPTIONS <syspath>\n"
" --action=<string> set action string\n"
" --force don't skip node/link creation\n"
" --help print this help text\n\n");
exit(0);
default:
exit(1);
}
}
syspath = argv[optind];
if (syspath == NULL) {
fprintf(stderr, "syspath parameter missing\n");
rc = 1;
goto exit;
}
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");
udev_rules_init(udev, &rules, 0);
/* add /sys if needed */
if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
util_strlcat(filename, syspath, sizeof(filename));
syspath = filename;
}
dev = udev_device_new_from_syspath(udev, syspath);
if (dev == NULL) {
fprintf(stderr, "unable to open device '%s'\n", syspath);
rc = 2;
goto exit;
}
/* skip reading of db, but read kernel parameters */
udev_device_set_info_loaded(dev);
udev_device_read_uevent_file(dev);
udev_device_set_action(dev, action);
event = udev_event_new(dev);
/* simulate node creation with test flag */
if (!force)
event->test = 1;
err = udev_event_run(event, &rules);
if (udev_device_get_event_timeout(dev) >= 0)
info(udev, "custom event timeout: %i\n", udev_device_get_event_timeout(dev));
if (err == 0 && !event->ignore_device && udev_get_run(udev)) {
struct udev_list_entry *entry;
udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
char program[UTIL_PATH_SIZE];
util_strlcpy(program, udev_list_entry_get_name(entry), sizeof(program));
udev_rules_apply_format(event, program, sizeof(program));
info(udev, "run: '%s'\n", program);
}
}
udev_event_unref(event);
udev_device_unref(dev);
exit:
udev_rules_cleanup(&rules);
return rc;
}
|
