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1 | /* | |
2 | * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com> | |
3 | * Copyright (C) 2003-2010 Kay Sievers <kay.sievers@vrfy.org> | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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/>. | |
17 | */ | |
18 | ||
19 | #ifndef _UDEV_H_ | |
20 | #define _UDEV_H_ | |
21 | ||
22 | #include <sys/types.h> | |
23 | #include <sys/param.h> | |
24 | #include <signal.h> | |
25 | ||
26 | #include "libudev.h" | |
27 | #include "libudev-private.h" | |
28 | #include "util.h" | |
29 | #include "label.h" | |
30 | #include "strv.h" | |
31 | ||
32 | struct udev_event { | |
33 | struct udev *udev; | |
34 | struct udev_device *dev; | |
35 | struct udev_device *dev_parent; | |
36 | struct udev_device *dev_db; | |
37 | char *name; | |
38 | char *program_result; | |
39 | mode_t mode; | |
40 | uid_t uid; | |
41 | gid_t gid; | |
42 | struct udev_list run_list; | |
43 | int exec_delay; | |
44 | unsigned long long birth_usec; | |
45 | unsigned long long timeout_usec; | |
46 | int fd_signal; | |
47 | unsigned int builtin_run; | |
48 | unsigned int builtin_ret; | |
49 | bool sigterm; | |
50 | bool inotify_watch; | |
51 | bool inotify_watch_final; | |
52 | bool group_final; | |
53 | bool owner_final; | |
54 | bool mode_set; | |
55 | bool mode_final; | |
56 | bool name_final; | |
57 | bool devlink_final; | |
58 | bool run_final; | |
59 | }; | |
60 | ||
61 | struct udev_watch { | |
62 | struct udev_list_node node; | |
63 | int handle; | |
64 | char *name; | |
65 | }; | |
66 | ||
67 | /* udev-rules.c */ | |
68 | struct udev_rules; | |
69 | struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); | |
70 | struct udev_rules *udev_rules_unref(struct udev_rules *rules); | |
71 | bool udev_rules_check_timestamp(struct udev_rules *rules); | |
72 | int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask); | |
73 | void udev_rules_apply_static_dev_perms(struct udev_rules *rules); | |
74 | ||
75 | /* udev-event.c */ | |
76 | struct udev_event *udev_event_new(struct udev_device *dev); | |
77 | void udev_event_unref(struct udev_event *event); | |
78 | size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size); | |
79 | int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, | |
80 | char *result, size_t maxsize, int read_value); | |
81 | int udev_event_spawn(struct udev_event *event, | |
82 | const char *cmd, char **envp, const sigset_t *sigmask, | |
83 | char *result, size_t ressize); | |
84 | int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset); | |
85 | void udev_event_execute_run(struct udev_event *event, const sigset_t *sigset); | |
86 | int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]); | |
87 | ||
88 | /* udev-watch.c */ | |
89 | int udev_watch_init(struct udev *udev); | |
90 | void udev_watch_restore(struct udev *udev); | |
91 | void udev_watch_begin(struct udev *udev, struct udev_device *dev); | |
92 | void udev_watch_end(struct udev *udev, struct udev_device *dev); | |
93 | struct udev_device *udev_watch_lookup(struct udev *udev, int wd); | |
94 | ||
95 | /* udev-node.c */ | |
96 | void udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid); | |
97 | void udev_node_remove(struct udev_device *dev); | |
98 | void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old); | |
99 | ||
100 | /* udev-ctrl.c */ | |
101 | struct udev_ctrl; | |
102 | struct udev_ctrl *udev_ctrl_new(struct udev *udev); | |
103 | struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd); | |
104 | int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); | |
105 | struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl); | |
106 | struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl); | |
107 | int udev_ctrl_cleanup(struct udev_ctrl *uctrl); | |
108 | struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl); | |
109 | int udev_ctrl_get_fd(struct udev_ctrl *uctrl); | |
110 | int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout); | |
111 | int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout); | |
112 | int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout); | |
113 | int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout); | |
114 | int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout); | |
115 | int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout); | |
116 | int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout); | |
117 | int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout); | |
118 | struct udev_ctrl_connection; | |
119 | struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl); | |
120 | struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn); | |
121 | struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn); | |
122 | struct udev_ctrl_msg; | |
123 | struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn); | |
124 | struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg); | |
125 | struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg); | |
126 | int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg); | |
127 | int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg); | |
128 | int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg); | |
129 | int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg); | |
130 | int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg); | |
131 | int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg); | |
132 | const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg); | |
133 | int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg); | |
134 | ||
135 | /* built-in commands */ | |
136 | enum udev_builtin_cmd { | |
137 | UDEV_BUILTIN_BLKID, | |
138 | UDEV_BUILTIN_BTRFS, | |
139 | UDEV_BUILTIN_FIRMWARE, | |
140 | UDEV_BUILTIN_HWDB, | |
141 | UDEV_BUILTIN_INPUT_ID, | |
142 | UDEV_BUILTIN_KMOD, | |
143 | UDEV_BUILTIN_NET_ID, | |
144 | UDEV_BUILTIN_PATH_ID, | |
145 | UDEV_BUILTIN_USB_ID, | |
146 | #ifdef HAVE_ACL | |
147 | UDEV_BUILTIN_UACCESS, | |
148 | #endif | |
149 | UDEV_BUILTIN_MAX | |
150 | }; | |
151 | struct udev_builtin { | |
152 | const char *name; | |
153 | int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); | |
154 | const char *help; | |
155 | int (*init)(struct udev *udev); | |
156 | void (*exit)(struct udev *udev); | |
157 | bool (*validate)(struct udev *udev); | |
158 | bool run_once; | |
159 | }; | |
160 | extern const struct udev_builtin udev_builtin_blkid; | |
161 | extern const struct udev_builtin udev_builtin_btrfs; | |
162 | extern const struct udev_builtin udev_builtin_firmware; | |
163 | extern const struct udev_builtin udev_builtin_hwdb; | |
164 | extern const struct udev_builtin udev_builtin_input_id; | |
165 | extern const struct udev_builtin udev_builtin_kmod; | |
166 | extern const struct udev_builtin udev_builtin_net_id; | |
167 | extern const struct udev_builtin udev_builtin_path_id; | |
168 | extern const struct udev_builtin udev_builtin_usb_id; | |
169 | extern const struct udev_builtin udev_builtin_uaccess; | |
170 | void udev_builtin_init(struct udev *udev); | |
171 | void udev_builtin_exit(struct udev *udev); | |
172 | enum udev_builtin_cmd udev_builtin_lookup(const char *command); | |
173 | const char *udev_builtin_name(enum udev_builtin_cmd cmd); | |
174 | bool udev_builtin_run_once(enum udev_builtin_cmd cmd); | |
175 | int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test); | |
176 | void udev_builtin_list(struct udev *udev); | |
177 | bool udev_builtin_validate(struct udev *udev); | |
178 | int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val); | |
179 | int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *modalias, bool test); | |
180 | ||
181 | /* udev logging */ | |
182 | void udev_main_log(struct udev *udev, int priority, | |
183 | const char *file, int line, const char *fn, | |
184 | const char *format, va_list args); | |
185 | ||
186 | /* udevadm commands */ | |
187 | struct udevadm_cmd { | |
188 | const char *name; | |
189 | int (*cmd)(struct udev *udev, int argc, char *argv[]); | |
190 | const char *help; | |
191 | int debug; | |
192 | }; | |
193 | extern const struct udevadm_cmd udevadm_info; | |
194 | extern const struct udevadm_cmd udevadm_trigger; | |
195 | extern const struct udevadm_cmd udevadm_settle; | |
196 | extern const struct udevadm_cmd udevadm_control; | |
197 | extern const struct udevadm_cmd udevadm_monitor; | |
198 | extern const struct udevadm_cmd udevadm_hwdb; | |
199 | extern const struct udevadm_cmd udevadm_test; | |
200 | extern const struct udevadm_cmd udevadm_test_builtin; | |
201 | #endif |