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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 - 2008 Kay Sievers < kay . sievers @ vrfy . org >
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*
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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 , either version 2 of the License , or
* ( at your option ) any later version .
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*
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* 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/>.
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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>
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# include <fcntl.h>
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# 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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int udevadm_test ( struct udev * udev , int argc , char * argv [ ] )
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{
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char filename [ UTIL_PATH_SIZE ] ;
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int force = 0 ;
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const char * action = " add " ;
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const char * syspath = NULL ;
struct udev_event * event ;
struct udev_device * dev ;
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struct udev_rules * rules = NULL ;
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int err ;
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int rc = 0 ;
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static const struct option options [ ] = {
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{ " action " , required_argument , NULL , ' a ' } ,
{ " force " , no_argument , NULL , ' f ' } ,
{ " help " , no_argument , NULL , ' h ' } ,
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{ }
} ;
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info ( udev , " version %s \n " , VERSION ) ;
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while ( 1 ) {
int option ;
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option = getopt_long ( argc , argv , " a:s:fh " , options , NULL ) ;
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if ( option = = - 1 )
break ;
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dbg ( udev , " option '%c' \n " , option ) ;
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switch ( option ) {
case ' a ' :
action = optarg ;
break ;
case ' f ' :
force = 1 ;
break ;
case ' h ' :
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printf ( " Usage: udevadm test OPTIONS <syspath> \n "
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" --action=<string> set action string \n "
" --force don't skip node/link creation \n "
" --help print this help text \n \n " ) ;
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exit ( 0 ) ;
default :
exit ( 1 ) ;
}
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}
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syspath = argv [ optind ] ;
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if ( syspath = = NULL ) {
fprintf ( stderr , " syspath parameter missing \n " ) ;
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rc = 1 ;
goto exit ;
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}
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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, because \n "
" some values may be different, or not available at a simulation run. \n "
" \n " ) ;
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rules = udev_rules_new ( udev , 0 ) ;
if ( rules = = NULL ) {
fprintf ( stderr , " error reading rules \n " ) ;
rc = 1 ;
goto exit ;
}
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/* 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 ;
}
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dev = udev_device_new_from_syspath ( udev , syspath ) ;
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if ( dev = = NULL ) {
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fprintf ( stderr , " unable to open device '%s' \n " , syspath ) ;
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rc = 2 ;
goto exit ;
}
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/* skip reading of db, but read kernel parameters */
udev_device_set_info_loaded ( dev ) ;
udev_device_read_uevent_file ( dev ) ;
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udev_device_set_action ( dev , action ) ;
event = udev_event_new ( dev ) ;
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/* simulate node creation with test flag */
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if ( ! force )
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event - > test = 1 ;
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err = udev_event_execute_rules ( event , rules ) ;
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if ( udev_device_get_event_timeout ( dev ) > = 0 )
info ( udev , " custom event timeout: %i \n " , udev_device_get_event_timeout ( dev ) ) ;
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if ( err = = 0 & & ! event - > ignore_device & & udev_get_run ( udev ) ) {
struct udev_list_entry * entry ;
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udev_list_entry_foreach ( entry , udev_list_get_entry ( & event - > run_list ) ) {
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char program [ UTIL_PATH_SIZE ] ;
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util_strlcpy ( program , udev_list_entry_get_name ( entry ) , sizeof ( program ) ) ;
udev_rules_apply_format ( event , program , sizeof ( program ) ) ;
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info ( udev , " run: '%s' \n " , program ) ;
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}
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}
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udev_event_unref ( event ) ;
udev_device_unref ( dev ) ;
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exit :
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udev_rules_unref ( rules ) ;
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return rc ;
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}