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/*
* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2004-2006 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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <getopt.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[])
{
int force = 0;
char *action = "add";
struct udev_rules rules = {};
char *devpath = NULL;
struct udevice *udev;
struct sysfs_device *dev;
int retval;
int rc = 0;
static const struct option options[] = {
{ "action", 1, NULL, 'a' },
{ "force", 0, NULL, 'f' },
{ "help", 0, NULL, 'h' },
{}
};
info("version %s", UDEV_VERSION);
udev_config_init();
if (udev_log_priority < LOG_INFO) {
char priority[32];
udev_log_priority = LOG_INFO;
sprintf(priority, "%i", udev_log_priority);
setenv("UDEV_LOG", priority, 1);
}
while (1) {
int option;
option = getopt_long(argc, argv, "a:fh", options, NULL);
if (option == -1)
break;
dbg("option '%c'", option);
switch (option) {
case 'a':
action = optarg;
break;
case 'f':
force = 1;
break;
case 'h':
printf("Usage: udevtest [--action=<string>] [--force] [--help] <devpath>\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);
}
}
devpath = argv[optind];
if (devpath == NULL) {
fprintf(stderr, "devpath parameter missing\n");
rc = 1;
goto exit;
}
sysfs_init();
udev_rules_init(&rules, 0);
/* remove /sys if given */
if (strncmp(devpath, sysfs_path, strlen(sysfs_path)) == 0)
devpath = &devpath[strlen(sysfs_path)];
dev = sysfs_device_get(devpath);
if (dev == NULL) {
fprintf(stderr, "unable to open device '%s'\n", devpath);
rc = 2;
goto exit;
}
udev = udev_device_init(NULL);
if (udev == NULL) {
fprintf(stderr, "error initializing device\n");
rc = 3;
goto exit;
}
/* override built-in sysfs device */
udev->dev = dev;
strcpy(udev->action, action);
udev->devt = udev_device_get_devt(udev);
/* simulate node creation with test flag */
if (!force)
udev->test_run = 1;
setenv("DEVPATH", udev->dev->devpath, 1);
setenv("SUBSYSTEM", udev->dev->subsystem, 1);
setenv("ACTION", "add", 1);
printf("This program is for debugging only, it does not run any program,\n"
"specified by a RUN key. It may show incorrect results, if rules\n"
"match against subsystem specfic kernel event variables.\n"
"\n");
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;
}
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