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
|
/*
* udevtest.c
*
* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
*
* 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 version 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>
#include <syslog.h>
#include "udev.h"
#include "udev_rules.h"
#ifdef USE_LOG
void log_message (int priority, const char *format, ...)
{
va_list args;
if (priority > udev_log_priority)
return;
va_start(args, format);
vprintf(format, args);
va_end(args);
if (format[strlen(format)-1] != '\n')
printf("\n");
}
#endif
int main(int argc, char *argv[], char *envp[])
{
struct udev_rules rules;
char *devpath;
struct udevice *udev;
struct sysfs_device *dev;
int retval;
int rc = 0;
info("version %s", UDEV_VERSION);
/* initialize our configuration */
udev_config_init();
if (udev_log_priority < LOG_INFO)
udev_log_priority = LOG_INFO;
if (argc != 2) {
info("Usage: udevtest <devpath>");
return 1;
}
sysfs_init();
/* remove /sys if given */
if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
devpath = &argv[1][strlen(sysfs_path)];
else
devpath = argv[1];
udev_rules_init(&rules, 0);
dev = sysfs_device_get(devpath);
if (dev == NULL) {
info("unable to open '%s'", devpath);
rc = 2;
goto exit;
}
udev = udev_device_init();
if (udev == NULL) {
info("can't open device");
rc = 3;
goto exit;
}
/* override built-in sysfs device */
udev->dev = dev;
strcpy(udev->action, "add");
udev->devt = udev_device_get_devt(udev);
/* simulate node creation with test flag */
udev->test_run = 1;
setenv("DEVPATH", udev->dev->devpath, 1);
setenv("SUBSYSTEM", udev->dev->subsystem, 1);
setenv("ACTION", "add", 1);
info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
retval = udev_device_event(&rules, udev);
if (retval == 0 && !udev->ignore_device && udev_run) {
struct name_entry *name_loop;
list_for_each_entry(name_loop, &udev->run_list, node) {
char program[PATH_SIZE];
strlcpy(program, name_loop->name, sizeof(program));
udev_rules_apply_format(udev, program, sizeof(program));
info("run: '%s'", program);
}
}
exit:
udev_rules_cleanup(&rules);
sysfs_cleanup();
return rc;
}
|