2 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
3 * Copyright (C) 2003-2006 Kay Sievers <kay.sievers@vrfy.org>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation version 2 of the License.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 #include <sys/types.h>
24 #include <sys/param.h>
28 #include "udev_sysdeps.h"
29 #include "udev_version.h"
31 #define COMMENT_CHARACTER '#'
35 #define VALUE_SIZE 128
37 #define DEFAULT_PARTITIONS_COUNT 15
38 #define UDEV_ALARM_TIMEOUT 180
40 #define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
46 #define DB_DIR ".udev/db"
51 struct list_head node; /* for device cache */
52 struct sysfs_device *parent; /* already cached parent*/
53 char devpath[PATH_SIZE];
54 char subsystem[NAME_SIZE]; /* $class, $bus, drivers, module */
55 char kernel[NAME_SIZE]; /* device instance name */
56 char kernel_number[NAME_SIZE];
57 char driver[NAME_SIZE]; /* device driver name */
62 struct sysfs_device *dev; /* points to dev_local by default */
63 struct sysfs_device dev_local;
64 struct sysfs_device *dev_parent; /* current parent device used for matching */
65 char action[NAME_SIZE];
69 struct list_head symlink_list;
71 char owner[NAME_SIZE];
73 char group[NAME_SIZE];
79 /* event processing */
80 struct list_head run_list;
82 struct list_head env_list;
83 char tmp_node[PATH_SIZE];
87 char program_result[PATH_SIZE];
92 extern char udev_root[PATH_SIZE];
93 extern char udev_config_filename[PATH_SIZE];
94 extern char udev_rules_dir[PATH_SIZE];
95 extern int udev_log_priority;
97 extern void udev_config_init(void);
100 extern struct udevice *udev_device_init(void);
101 extern void udev_device_cleanup(struct udevice *udev);
102 extern int udev_device_event(struct udev_rules *rules, struct udevice *udev);
103 extern dev_t udev_device_get_devt(struct udevice *udev);
106 extern char sysfs_path[PATH_SIZE];
107 extern int sysfs_init(void);
108 extern void sysfs_cleanup(void);
109 extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath,
110 const char *subsystem, const char *driver);
111 extern struct sysfs_device *sysfs_device_get(const char *devpath);
112 extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev);
113 extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem);
114 extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name);
115 extern int sysfs_resolve_link(char *path, size_t size);
118 extern int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid);
119 extern int udev_node_add(struct udevice *udev, struct udevice *udev_old);
120 extern void udev_node_remove_symlinks(struct udevice *udev);
121 extern int udev_node_remove(struct udevice *udev);
124 extern int udev_db_add_device(struct udevice *dev);
125 extern int udev_db_delete_device(struct udevice *dev);
126 extern int udev_db_get_device(struct udevice *udev, const char *devpath);
127 extern int udev_db_lookup_name(const char *name, char *devpath, size_t len);
128 extern int udev_db_get_all_entries(struct list_head *name_list);
132 struct list_head node;
133 char name[PATH_SIZE];
135 extern int log_priority(const char *priority);
136 extern char *name_list_add(struct list_head *name_list, const char *name, int sort);
137 extern char *name_list_key_add(struct list_head *name_list, const char *key, const char *value);
138 extern void name_list_cleanup(struct list_head *name_list);
139 extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix);
140 extern uid_t lookup_user(const char *user);
141 extern gid_t lookup_group(const char *group);
143 /* udev_utils_string.c */
144 extern int string_is_true(const char *str);
145 extern void remove_trailing_chars(char *path, char c);
146 extern size_t path_encode(char *s, size_t len);
147 extern size_t path_decode(char *s);
148 extern int utf8_encoded_valid_unichar(const char *str);
149 extern int replace_untrusted_chars(char *str);
151 /* udev_utils_file.c */
152 extern int create_path(const char *path);
153 extern int delete_path(const char *path);
154 extern int file_map(const char *filename, char **buf, size_t *bufsize);
155 extern void file_unmap(void *buf, size_t bufsize);
156 extern int unlink_secure(const char *filename);
157 extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur);
159 /* udev_utils_run.c */
160 extern int pass_env_to_socket(const char *name, const char *devpath, const char *action);
161 extern int run_program(const char *command, const char *subsystem,
162 char *result, size_t ressize, size_t *reslen, int log);