2 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
3 * Copyright (C) 2003-2008 Kay Sievers <kay.sievers@vrfy.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
23 #include <sys/param.h>
25 #include "udev-sysdeps.h"
26 #include "lib/libudev.h"
27 #include "lib/libudev-private.h"
29 #define ALLOWED_CHARS "#+-.:=@_"
30 #define ALLOWED_CHARS_FILE ALLOWED_CHARS "/"
31 #define ALLOWED_CHARS_INPUT ALLOWED_CHARS_FILE " $%?,"
33 #define DEFAULT_FAKE_PARTITIONS_COUNT 15
34 #define UDEV_EVENT_TIMEOUT 180
36 /* linux/include/linux/kobject.h */
37 #define UEVENT_BUFFER_SIZE 2048
38 #define UEVENT_NUM_ENVP 32
40 #define UDEV_CTRL_SOCK_PATH "@" UDEV_PREFIX "/org/kernel/udev/udevd"
42 #define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
46 static inline void logging_init(const char *program_name)
48 openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON);
51 static inline void logging_msg(struct udev *udev, int priority,
52 const char *file, int line, const char *fn,
53 const char *format, va_list args)
55 vsyslog(priority, format, args);
58 static inline void logging_close(void)
66 struct udev_device *dev;
67 struct udev_device *dev_parent;
72 char tmp_node[UTIL_PATH_SIZE];
73 char program_result[UTIL_PATH_SIZE];
76 char name[UTIL_PATH_SIZE];
78 char owner[UTIL_NAME_SIZE];
79 char group[UTIL_NAME_SIZE];
80 struct udev_list_node run_list;
84 struct udev_list_node node;
90 extern struct udev_event *udev_event_new(struct udev_device *dev);
91 extern void udev_event_unref(struct udev_event *event);
92 extern int udev_event_run(struct udev_event *event, struct udev_rules *rules);
95 extern struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names);
96 extern void udev_rules_unref(struct udev_rules *rules);
97 extern int udev_rules_get_name(struct udev_rules *rules, struct udev_event *event);
98 extern int udev_rules_get_run(struct udev_rules *rules, struct udev_event *event);
99 extern int udev_rules_run(struct udev_event *event);
100 extern void udev_rules_apply_format(struct udev_event *event, char *string, size_t maxsize);
103 extern int udev_node_mknod(struct udev_device *dev, const char *file, dev_t devnum, mode_t mode, uid_t uid, gid_t gid);
104 extern int udev_node_add(struct udev_device *dev, mode_t mode, const char *owner, const char *group, int test);
105 extern int udev_node_remove(struct udev_device *dev, int test);
106 extern void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old, int test);
109 extern int create_path(struct udev *udev, const char *path);
110 extern int delete_path(struct udev *udev, const char *path);
111 extern int unlink_secure(struct udev *udev, const char *filename);
112 extern uid_t lookup_user(struct udev *udev, const char *user);
113 extern gid_t lookup_group(struct udev *udev, const char *group);
114 extern int run_program(struct udev *udev, const char *command, char **envp,
115 char *result, size_t ressize, size_t *reslen);
117 /* udev_utils_file.c */
118 extern int file_map(const char *filename, char **buf, size_t *bufsize);
119 extern void file_unmap(void *buf, size_t bufsize);
120 extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur);
124 static inline void selinux_init(struct udev *udev) {}
125 static inline void selinux_exit(struct udev *udev) {}
126 static inline void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) {}
127 static inline void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) {}
128 static inline void udev_selinux_resetfscreatecon(struct udev *udev) {}
130 extern void selinux_init(struct udev *udev);
131 extern void selinux_exit(struct udev *udev);
132 extern void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode);
133 extern void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode);
134 extern void udev_selinux_resetfscreatecon(struct udev *udev);
137 /* udevadm commands */
138 extern int udevadm_monitor(struct udev *udev, int argc, char *argv[]);
139 extern int udevadm_info(struct udev *udev, int argc, char *argv[]);
140 extern int udevadm_control(struct udev *udev, int argc, char *argv[]);
141 extern int udevadm_trigger(struct udev *udev, int argc, char *argv[]);
142 extern int udevadm_settle(struct udev *udev, int argc, char *argv[]);
143 extern int udevadm_test(struct udev *udev, int argc, char *argv[]);