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f0083e3d | 1 | /* |
f0083e3d | 2 | * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com> |
1298001e | 3 | * Copyright (C) 2003-2010 Kay Sievers <kay@vrfy.org> |
f0083e3d | 4 | * |
55e9959b KS |
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. | |
f0083e3d | 9 | * |
55e9959b KS |
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/>. | |
f0083e3d GKH |
17 | */ |
18 | ||
e4d2bfdd | 19 | #pragma once |
f0083e3d | 20 | |
c1ab0461 | 21 | #include <sys/types.h> |
c076a2bd | 22 | #include <sys/param.h> |
d412a685 | 23 | #include <signal.h> |
1aa1e248 | 24 | |
e4d2bfdd | 25 | #include "macro.h" |
48a9b173 KS |
26 | #include "libudev.h" |
27 | #include "libudev-private.h" | |
33502ffe | 28 | #include "util.h" |
e9a5ef7c | 29 | #include "label.h" |
775f8b3c | 30 | #include "strv.h" |
f0083e3d | 31 | |
aa8734ff | 32 | struct udev_event { |
912541b0 KS |
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; | |
40fe8b11 KS |
44 | usec_t birth_usec; |
45 | usec_t timeout_usec; | |
912541b0 KS |
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; | |
1edefa4f | 52 | bool group_set; |
912541b0 | 53 | bool group_final; |
1edefa4f | 54 | bool owner_set; |
912541b0 KS |
55 | bool owner_final; |
56 | bool mode_set; | |
57 | bool mode_final; | |
58 | bool name_final; | |
59 | bool devlink_final; | |
60 | bool run_final; | |
aa8734ff | 61 | }; |
aa8734ff | 62 | |
bd284db1 | 63 | struct udev_watch { |
912541b0 KS |
64 | struct udev_list_node node; |
65 | int handle; | |
66 | char *name; | |
bd284db1 SJR |
67 | }; |
68 | ||
c7521974 | 69 | /* udev-rules.c */ |
f1128767 | 70 | struct udev_rules; |
37ed4f56 | 71 | struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); |
7c85d636 | 72 | struct udev_rules *udev_rules_unref(struct udev_rules *rules); |
6ada823a | 73 | bool udev_rules_check_timestamp(struct udev_rules *rules); |
2181d30a | 74 | int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask); |
761dfddc | 75 | void udev_rules_apply_static_dev_perms(struct udev_rules *rules); |
f1128767 KS |
76 | |
77 | /* udev-event.c */ | |
37ed4f56 KS |
78 | struct udev_event *udev_event_new(struct udev_device *dev); |
79 | void udev_event_unref(struct udev_event *event); | |
065db052 | 80 | size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size); |
37ed4f56 | 81 | int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, |
912541b0 | 82 | char *result, size_t maxsize, int read_value); |
2181d30a | 83 | int udev_event_spawn(struct udev_event *event, |
912541b0 KS |
84 | const char *cmd, char **envp, const sigset_t *sigmask, |
85 | char *result, size_t ressize); | |
2181d30a | 86 | int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset); |
83cd6b75 | 87 | void udev_event_execute_run(struct udev_event *event, const sigset_t *sigset); |
e216e514 | 88 | int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]); |
c7521974 | 89 | |
bd284db1 | 90 | /* udev-watch.c */ |
1e03b754 | 91 | int udev_watch_init(struct udev *udev); |
37ed4f56 KS |
92 | void udev_watch_restore(struct udev *udev); |
93 | void udev_watch_begin(struct udev *udev, struct udev_device *dev); | |
94 | void udev_watch_end(struct udev *udev, struct udev_device *dev); | |
95 | struct udev_device *udev_watch_lookup(struct udev *udev, int wd); | |
bd284db1 | 96 | |
aa8734ff | 97 | /* udev-node.c */ |
22582bb2 | 98 | void udev_node_add(struct udev_device *dev, bool apply, mode_t mode, uid_t uid, gid_t gid); |
e7f32890 | 99 | void udev_node_remove(struct udev_device *dev); |
37ed4f56 | 100 | void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old); |
aa8734ff | 101 | |
c15d02e5 KS |
102 | /* udev-ctrl.c */ |
103 | struct udev_ctrl; | |
5cc4112e KS |
104 | struct udev_ctrl *udev_ctrl_new(struct udev *udev); |
105 | struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd); | |
c15d02e5 KS |
106 | int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); |
107 | struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl); | |
108 | struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl); | |
1f5a5100 | 109 | int udev_ctrl_cleanup(struct udev_ctrl *uctrl); |
c15d02e5 KS |
110 | struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl); |
111 | int udev_ctrl_get_fd(struct udev_ctrl *uctrl); | |
112 | int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout); | |
113 | int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout); | |
114 | int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout); | |
7c85d636 | 115 | int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout); |
c15d02e5 KS |
116 | int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout); |
117 | int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout); | |
118 | int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout); | |
119 | int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout); | |
120 | struct udev_ctrl_connection; | |
121 | struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl); | |
122 | struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn); | |
123 | struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn); | |
124 | struct udev_ctrl_msg; | |
125 | struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn); | |
126 | struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg); | |
127 | struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg); | |
128 | int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg); | |
129 | int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg); | |
130 | int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg); | |
7c85d636 | 131 | int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg); |
c15d02e5 KS |
132 | int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg); |
133 | int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg); | |
134 | const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg); | |
135 | int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg); | |
136 | ||
d7867b31 KS |
137 | /* built-in commands */ |
138 | enum udev_builtin_cmd { | |
f553b3b1 | 139 | #ifdef HAVE_BLKID |
912541b0 | 140 | UDEV_BUILTIN_BLKID, |
f553b3b1 | 141 | #endif |
0bb91b50 | 142 | UDEV_BUILTIN_BTRFS, |
d8d4bee7 | 143 | #ifdef HAVE_FIRMWARE |
912541b0 | 144 | UDEV_BUILTIN_FIRMWARE, |
a3bd8447 | 145 | #endif |
796b06c2 | 146 | UDEV_BUILTIN_HWDB, |
912541b0 | 147 | UDEV_BUILTIN_INPUT_ID, |
e3043162 | 148 | #ifdef HAVE_KMOD |
912541b0 | 149 | UDEV_BUILTIN_KMOD, |
e3043162 | 150 | #endif |
a660c63c | 151 | UDEV_BUILTIN_NET_ID, |
912541b0 | 152 | UDEV_BUILTIN_PATH_ID, |
912541b0 | 153 | UDEV_BUILTIN_USB_ID, |
83cd6b75 KS |
154 | #ifdef HAVE_ACL |
155 | UDEV_BUILTIN_UACCESS, | |
156 | #endif | |
912541b0 | 157 | UDEV_BUILTIN_MAX |
d7867b31 KS |
158 | }; |
159 | struct udev_builtin { | |
912541b0 KS |
160 | const char *name; |
161 | int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); | |
162 | const char *help; | |
163 | int (*init)(struct udev *udev); | |
164 | void (*exit)(struct udev *udev); | |
165 | bool (*validate)(struct udev *udev); | |
166 | bool run_once; | |
d7867b31 | 167 | }; |
f553b3b1 | 168 | #ifdef HAVE_BLKID |
81dadce5 | 169 | extern const struct udev_builtin udev_builtin_blkid; |
f553b3b1 | 170 | #endif |
0bb91b50 | 171 | extern const struct udev_builtin udev_builtin_btrfs; |
d8d4bee7 | 172 | #ifdef HAVE_FIRMWARE |
57f4ef67 | 173 | extern const struct udev_builtin udev_builtin_firmware; |
a3bd8447 | 174 | #endif |
796b06c2 | 175 | extern const struct udev_builtin udev_builtin_hwdb; |
57f4ef67 | 176 | extern const struct udev_builtin udev_builtin_input_id; |
e3043162 | 177 | #ifdef HAVE_KMOD |
81dadce5 | 178 | extern const struct udev_builtin udev_builtin_kmod; |
e3043162 | 179 | #endif |
a660c63c | 180 | extern const struct udev_builtin udev_builtin_net_id; |
57f4ef67 KS |
181 | extern const struct udev_builtin udev_builtin_path_id; |
182 | extern const struct udev_builtin udev_builtin_usb_id; | |
83cd6b75 | 183 | extern const struct udev_builtin udev_builtin_uaccess; |
4af113f9 | 184 | void udev_builtin_init(struct udev *udev); |
4f1795cc | 185 | void udev_builtin_exit(struct udev *udev); |
81dadce5 | 186 | enum udev_builtin_cmd udev_builtin_lookup(const char *command); |
d7867b31 | 187 | const char *udev_builtin_name(enum udev_builtin_cmd cmd); |
81dadce5 KS |
188 | bool udev_builtin_run_once(enum udev_builtin_cmd cmd); |
189 | int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test); | |
4f1795cc | 190 | void udev_builtin_list(struct udev *udev); |
fc863dea | 191 | bool udev_builtin_validate(struct udev *udev); |
c38a141b | 192 | int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val); |
67410e9f | 193 | int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *modalias, const char *filter, bool test); |
80df994c KS |
194 | |
195 | /* udev logging */ | |
196 | void udev_main_log(struct udev *udev, int priority, | |
912541b0 | 197 | const char *file, int line, const char *fn, |
e4d2bfdd | 198 | const char *format, va_list args) _printf_attr_(6, 0); |
80df994c KS |
199 | |
200 | /* udevadm commands */ | |
201 | struct udevadm_cmd { | |
912541b0 KS |
202 | const char *name; |
203 | int (*cmd)(struct udev *udev, int argc, char *argv[]); | |
204 | const char *help; | |
205 | int debug; | |
80df994c KS |
206 | }; |
207 | extern const struct udevadm_cmd udevadm_info; | |
208 | extern const struct udevadm_cmd udevadm_trigger; | |
209 | extern const struct udevadm_cmd udevadm_settle; | |
210 | extern const struct udevadm_cmd udevadm_control; | |
211 | extern const struct udevadm_cmd udevadm_monitor; | |
796b06c2 | 212 | extern const struct udevadm_cmd udevadm_hwdb; |
80df994c KS |
213 | extern const struct udevadm_cmd udevadm_test; |
214 | extern const struct udevadm_cmd udevadm_test_builtin; |