1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #pragma once
3
4 /*
5 * Copyright © 2003 Greg Kroah-Hartman <greg@kroah.com>
6 */
7
8 #include "sd-device.h"
9 #include "sd-netlink.h"
10
11 #include "hashmap.h"
12 #include "macro.h"
13 #include "udev-rules.h"
14 #include "udev-util.h"
15 #include "util.h"
16
17 #define READ_END 0
18 #define WRITE_END 1
19 #define UDEV_ALLOWED_CHARS_INPUT "/ $%?,"
20
21 typedef struct UdevEvent {
22 sd_device *dev;
23 sd_device *dev_parent;
24 sd_device *dev_db_clone;
25 char *name;
26 char *program_result;
27 mode_t mode;
28 uid_t uid;
29 gid_t gid;
30 OrderedHashmap *seclabel_list;
31 OrderedHashmap *run_list;
32 usec_t exec_delay_usec;
33 usec_t birth_usec;
34 sd_netlink *rtnl;
35 unsigned builtin_run;
36 unsigned builtin_ret;
37 UdevRuleEscapeType esc:8;
38 bool inotify_watch;
39 bool inotify_watch_final;
40 bool group_final;
41 bool owner_final;
42 bool mode_final;
43 bool name_final;
44 bool devlink_final;
45 bool run_final;
46 bool log_level_was_debug;
47 int default_log_level;
48 } UdevEvent;
49
50 UdevEvent *udev_event_new(sd_device *dev, usec_t exec_delay_usec, sd_netlink *rtnl, int log_level);
51 UdevEvent *udev_event_free(UdevEvent *event);
52 DEFINE_TRIVIAL_CLEANUP_FUNC(UdevEvent*, udev_event_free);
53
54 size_t udev_event_apply_format(
55 UdevEvent *event,
56 const char *src,
57 char *dest,
58 size_t size,
59 bool replace_whitespace,
60 bool *ret_truncated);
61 int udev_check_format(const char *value, size_t *offset, const char **hint);
62 int udev_event_spawn(
63 UdevEvent *event,
64 usec_t timeout_usec,
65 int timeout_signal,
66 bool accept_failure,
67 const char *cmd,
68 char *result,
69 size_t ressize,
70 bool *ret_truncated);
71 int udev_event_execute_rules(
72 UdevEvent *event,
73 int inotify_fd,
74 usec_t timeout_usec,
75 int timeout_signal,
76 Hashmap *properties_list,
77 UdevRules *rules);
78 void udev_event_execute_run(UdevEvent *event, usec_t timeout_usec, int timeout_signal);
79 int udev_event_process_inotify_watch(UdevEvent *event, int inotify_fd);
80
udev_warn_timeout(usec_t timeout_usec)81 static inline usec_t udev_warn_timeout(usec_t timeout_usec) {
82 return DIV_ROUND_UP(timeout_usec, 3);
83 }
84