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
|
/*
* 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 <errno.h>
#include <ctype.h>
#include <signal.h>
#include <syslog.h>
#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
#include "udev_utils.h"
#include "udev_version.h"
#include "udev_rules.h"
#include "logging.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;
struct sysfs_class_device *class_dev;
char *devpath;
char path[PATH_SIZE];
char temp[PATH_SIZE];
struct udevice udev;
char *subsystem = NULL;
info("version %s", UDEV_VERSION);
/* initialize our configuration */
udev_init_config();
if (udev_log_priority < LOG_INFO)
udev_log_priority = LOG_INFO;
if (argc != 3) {
info("Usage: udevtest <devpath> <subsystem>");
return 1;
}
/* remove sysfs_path if given */
if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
devpath = &argv[1][strlen(sysfs_path)] ;
else
if (argv[1][0] != '/') {
/* prepend '/' if missing */
snprintf(temp, sizeof(temp), "/%s", argv[1]);
temp[sizeof(temp)-1] = '\0';
devpath = temp;
} else
devpath = argv[1];
subsystem = argv[2];
setenv("DEVPATH", devpath, 1);
setenv("SUBSYSTEM", subsystem, 1);
setenv("ACTION", "add", 1);
info("looking at device '%s' from subsystem '%s'", devpath, subsystem);
/* initialize the naming deamon */
udev_rules_init(&rules, 0);
/* fill in values and test_run flag*/
udev_init_device(&udev, devpath, subsystem, "add");
/* open the device */
snprintf(path, sizeof(path), "%s%s", sysfs_path, udev.devpath);
path[sizeof(path)-1] = '\0';
class_dev = sysfs_open_class_device_path(path);
if (class_dev == NULL) {
info("sysfs_open_class_device_path failed");
return 1;
}
info("opened class_dev->name='%s'", class_dev->name);
if (udev.type == DEV_BLOCK || udev.type == DEV_CLASS)
udev.devt = get_devt(class_dev);
/* simulate node creation with test flag */
udev.test_run = 1;
if (udev.type == DEV_NET || udev.devt) {
udev_rules_get_name(&rules, &udev, class_dev);
udev_add_device(&udev, class_dev);
} else
info("only char and block devices with a dev-file are supported by this test program");
sysfs_close_class_device(class_dev);
return 0;
}
|
