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/*
* Copyright ( C ) 2003 Greg Kroah - Hartman < greg @ kroah . com >
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* Copyright ( C ) 2003 - 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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*
*/
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# ifndef _UDEV_H_
# define _UDEV_H_
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# include <sys/types.h>
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# include <sys/param.h>
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# include "list.h"
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# include "logging.h"
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# include "udev_sysdeps.h"
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# include "udev_version.h"
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# define COMMENT_CHARACTER '#'
# define LINE_SIZE 512
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# define PATH_SIZE 512
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# define NAME_SIZE 128
# define VALUE_SIZE 128
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# define DEFAULT_PARTITIONS_COUNT 15
# define UDEV_ALARM_TIMEOUT 180
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# define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
/* pipes */
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# define READ_END 0
# define WRITE_END 1
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# define DB_DIR ".udev / db"
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# define DB_NAME_INDEX_DIR ".udev / names"
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struct udev_rules ;
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struct sysfs_device {
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struct list_head node ; /* for device cache */
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struct sysfs_device * parent ; /* already cached parent*/
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char devpath [ PATH_SIZE ] ;
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char subsystem [ NAME_SIZE ] ; /* $class, $bus, drivers, module */
char kernel [ NAME_SIZE ] ; /* device instance name */
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char kernel_number [ NAME_SIZE ] ;
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char driver [ NAME_SIZE ] ; /* device driver name */
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} ;
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struct udevice {
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/* device event */
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struct sysfs_device * dev ; /* points to dev_local by default */
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struct sysfs_device dev_local ;
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struct sysfs_device * dev_parent ; /* current parent device used for matching */
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char action [ NAME_SIZE ] ;
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/* node */
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char name [ PATH_SIZE ] ;
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struct list_head symlink_list ;
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int symlink_final ;
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char owner [ NAME_SIZE ] ;
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int owner_final ;
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char group [ NAME_SIZE ] ;
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int group_final ;
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mode_t mode ;
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int mode_final ;
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dev_t devt ;
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/* event processing */
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struct list_head run_list ;
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int run_final ;
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struct list_head env_list ;
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char tmp_node [ PATH_SIZE ] ;
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int partitions ;
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int ignore_device ;
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int ignore_remove ;
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char program_result [ PATH_SIZE ] ;
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int test_run ;
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} ;
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/* udev_config.c */
extern char udev_root [ PATH_SIZE ] ;
extern char udev_config_filename [ PATH_SIZE ] ;
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extern char udev_rules_dir [ PATH_SIZE ] ;
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extern int udev_log_priority ;
extern int udev_run ;
extern void udev_config_init ( void ) ;
/* udev_device.c */
extern struct udevice * udev_device_init ( void ) ;
extern void udev_device_cleanup ( struct udevice * udev ) ;
extern int udev_device_event ( struct udev_rules * rules , struct udevice * udev ) ;
extern dev_t udev_device_get_devt ( struct udevice * udev ) ;
/* udev_sysfs.c */
extern char sysfs_path [ PATH_SIZE ] ;
extern int sysfs_init ( void ) ;
extern void sysfs_cleanup ( void ) ;
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extern void sysfs_device_set_values ( struct sysfs_device * dev , const char * devpath ,
const char * subsystem , const char * driver ) ;
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extern struct sysfs_device * sysfs_device_get ( const char * devpath ) ;
extern struct sysfs_device * sysfs_device_get_parent ( struct sysfs_device * dev ) ;
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extern struct sysfs_device * sysfs_device_get_parent_with_subsystem ( struct sysfs_device * dev , const char * subsystem ) ;
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extern char * sysfs_attr_get_value ( const char * devpath , const char * attr_name ) ;
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extern int sysfs_resolve_link ( char * path , size_t size ) ;
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/* udev_node.c */
extern int udev_node_mknod ( struct udevice * udev , const char * file , dev_t devt , mode_t mode , uid_t uid , gid_t gid ) ;
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extern int udev_node_add ( struct udevice * udev , struct udevice * udev_old ) ;
extern void udev_node_remove_symlinks ( struct udevice * udev ) ;
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extern int udev_node_remove ( struct udevice * udev ) ;
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/* udev_db.c */
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extern int udev_db_add_device ( struct udevice * dev ) ;
extern int udev_db_delete_device ( struct udevice * dev ) ;
extern int udev_db_get_device ( struct udevice * udev , const char * devpath ) ;
extern int udev_db_lookup_name ( const char * name , char * devpath , size_t len ) ;
extern int udev_db_get_all_entries ( struct list_head * name_list ) ;
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/* udev_utils.c */
struct name_entry {
struct list_head node ;
char name [ PATH_SIZE ] ;
} ;
extern int log_priority ( const char * priority ) ;
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extern char * name_list_add ( struct list_head * name_list , const char * name , int sort ) ;
extern char * name_list_key_add ( struct list_head * name_list , const char * key , const char * value ) ;
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extern void name_list_cleanup ( struct list_head * name_list ) ;
extern int add_matching_files ( struct list_head * name_list , const char * dirname , const char * suffix ) ;
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extern uid_t lookup_user ( const char * user ) ;
extern gid_t lookup_group ( const char * group ) ;
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/* udev_utils_string.c */
extern int string_is_true ( const char * str ) ;
extern void remove_trailing_chars ( char * path , char c ) ;
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extern size_t path_encode ( char * s , size_t len ) ;
extern size_t path_decode ( char * s ) ;
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extern int utf8_encoded_valid_unichar ( const char * str ) ;
extern int replace_untrusted_chars ( char * str ) ;
/* udev_utils_file.c */
extern int create_path ( const char * path ) ;
extern int delete_path ( const char * path ) ;
extern int file_map ( const char * filename , char * * buf , size_t * bufsize ) ;
extern void file_unmap ( void * buf , size_t bufsize ) ;
extern int unlink_secure ( const char * filename ) ;
extern size_t buf_get_line ( const char * buf , size_t buflen , size_t cur ) ;
/* udev_utils_run.c */
extern int pass_env_to_socket ( const char * name , const char * devpath , const char * action ) ;
extern int run_program ( const char * command , const char * subsystem ,
char * result , size_t ressize , size_t * reslen , int log ) ;
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# endif