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/*
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* Copyright ( C ) 2003 - 2004 Greg Kroah - Hartman < greg @ kroah . com >
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* Copyright ( C ) 2004 - 2006 Kay Sievers < kay . sievers @ vrfy . org >
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*
* 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 . ,
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* 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 , USA .
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*
*/
# include <stdlib.h>
# include <string.h>
# include <stdio.h>
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# include <stddef.h>
# include <unistd.h>
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# include <errno.h>
# include <ctype.h>
# include <signal.h>
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# include <syslog.h>
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# include <getopt.h>
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# include "udev.h"
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# include "udev_rules.h"
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# ifdef USE_LOG
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void log_message ( int priority , const char * format , . . . )
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{
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va_list args ;
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if ( priority > udev_log_priority )
return ;
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va_start ( args , format ) ;
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vprintf ( format , args ) ;
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va_end ( args ) ;
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if ( format [ strlen ( format ) - 1 ] ! = ' \n ' )
printf ( " \n " ) ;
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}
# endif
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int main ( int argc , char * argv [ ] , char * envp [ ] )
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{
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int force = 0 ;
char * action = " add " ;
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struct udev_rules rules = { } ;
char * devpath = NULL ;
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struct udevice * udev ;
struct sysfs_device * dev ;
int retval ;
int rc = 0 ;
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static const struct option options [ ] = {
{ " action " , 1 , NULL , ' a ' } ,
{ " force " , 0 , NULL , ' f ' } ,
{ " help " , 0 , NULL , ' h ' } ,
{ }
} ;
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info ( " version %s " , UDEV_VERSION ) ;
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udev_config_init ( ) ;
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if ( udev_log_priority < LOG_INFO ) {
char priority [ 32 ] ;
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udev_log_priority = LOG_INFO ;
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sprintf ( priority , " %i " , udev_log_priority ) ;
setenv ( " UDEV_LOG " , priority , 1 ) ;
}
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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 ) ;
}
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}
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devpath = argv [ optind ] ;
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if ( devpath = = NULL ) {
fprintf ( stderr , " devpath parameter missing \n " ) ;
rc = 1 ;
goto exit ;
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}
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sysfs_init ( ) ;
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udev_rules_init ( & rules , 0 ) ;
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/* remove /sys if given */
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if ( strncmp ( devpath , sysfs_path , strlen ( sysfs_path ) ) = = 0 )
devpath = & devpath [ strlen ( sysfs_path ) ] ;
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dev = sysfs_device_get ( devpath ) ;
if ( dev = = NULL ) {
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fprintf ( stderr , " unable to open device '%s' \n " , devpath ) ;
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rc = 2 ;
goto exit ;
}
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udev = udev_device_init ( NULL ) ;
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if ( udev = = NULL ) {
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fprintf ( stderr , " error initializing device \n " ) ;
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rc = 3 ;
goto exit ;
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}
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/* override built-in sysfs device */
udev - > dev = dev ;
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strcpy ( udev - > action , action ) ;
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udev - > devt = udev_device_get_devt ( udev ) ;
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/* simulate node creation with test flag */
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if ( ! force )
udev - > test_run = 1 ;
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setenv ( " DEVPATH " , udev - > dev - > devpath , 1 ) ;
setenv ( " SUBSYSTEM " , udev - > dev - > subsystem , 1 ) ;
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setenv ( " ACTION " , udev - > action , 1 ) ;
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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 "
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" \n " ) ;
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info ( " looking at device '%s' from subsystem '%s' " , udev - > dev - > devpath , udev - > dev - > subsystem ) ;
retval = udev_device_event ( & rules , udev ) ;
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if ( retval = = 0 & & ! udev - > ignore_device & & udev_run ) {
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struct name_entry * name_loop ;
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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 ) ;
}
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}
exit :
udev_rules_cleanup ( & rules ) ;
sysfs_cleanup ( ) ;
return rc ;
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}