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88a6477e KS |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2008-2012 Kay Sievers <kay@vrfy.org> | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
33a5cc29 KS |
19 | |
20 | #ifndef _LIBUDEV_PRIVATE_H_ | |
21 | #define _LIBUDEV_PRIVATE_H_ | |
22 | ||
7d563a17 | 23 | #include <syslog.h> |
d412a685 | 24 | #include <signal.h> |
28460195 KS |
25 | #include <stdint.h> |
26 | #include <stdbool.h> | |
9e13dbae KS |
27 | |
28 | #include "libudev.h" | |
54cf0b7f | 29 | #include "macro.h" |
33502ffe | 30 | #include "util.h" |
9e13dbae | 31 | #include "mkdir.h" |
33a5cc29 | 32 | |
6ada823a | 33 | #define READ_END 0 |
baa30fbc | 34 | #define WRITE_END 1 |
9176ac1f | 35 | |
baa30fbc | 36 | /* avoid (sometimes expensive) calculations of parameters for debug output */ |
119f66fc KS |
37 | #define udev_log_cond(udev, prio, arg...) \ |
38 | do { \ | |
39 | if (udev_get_log_priority(udev) >= prio) \ | |
1d67ec16 | 40 | udev_log(udev, prio, __FILE__, __LINE__, __FUNCTION__, ## arg); \ |
119f66fc KS |
41 | } while (0) |
42 | ||
c8f8394a KS |
43 | #define udev_dbg(udev, arg...) udev_log_cond(udev, LOG_DEBUG, ## arg) |
44 | #define udev_info(udev, arg...) udev_log_cond(udev, LOG_INFO, ## arg) | |
45 | #define udev_err(udev, arg...) udev_log_cond(udev, LOG_ERR, ## arg) | |
33a5cc29 | 46 | |
9060b066 | 47 | /* libudev.c */ |
33a5cc29 | 48 | void udev_log(struct udev *udev, |
912541b0 KS |
49 | int priority, const char *file, int line, const char *fn, |
50 | const char *format, ...) | |
51 | __attribute__((format(printf, 6, 7))); | |
40fe8b11 | 52 | int udev_get_rules_path(struct udev *udev, char **path[], usec_t *ts_usec[]); |
37ed4f56 KS |
53 | struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value); |
54 | struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev); | |
11d543c1 | 55 | |
9060b066 | 56 | /* libudev-device.c */ |
a5710160 | 57 | struct udev_device *udev_device_new(struct udev *udev); |
3cf1a8e3 | 58 | mode_t udev_device_get_devnode_mode(struct udev_device *udev_device); |
40fe8b11 | 59 | int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem); |
37ed4f56 | 60 | int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath); |
37ed4f56 | 61 | int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode); |
8a173387 | 62 | int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink); |
37ed4f56 KS |
63 | void udev_device_cleanup_devlinks_list(struct udev_device *udev_device); |
64 | struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value); | |
fc8d61c5 KS |
65 | void udev_device_add_property_from_string_parse(struct udev_device *udev_device, const char *property); |
66 | int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_device); | |
37ed4f56 KS |
67 | char **udev_device_get_properties_envp(struct udev_device *udev_device); |
68 | ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf); | |
5f59fa09 | 69 | int udev_device_read_db(struct udev_device *udev_device, const char *dbfile); |
37ed4f56 KS |
70 | int udev_device_read_uevent_file(struct udev_device *udev_device); |
71 | int udev_device_set_action(struct udev_device *udev_device, const char *action); | |
37ed4f56 | 72 | const char *udev_device_get_devpath_old(struct udev_device *udev_device); |
4281da1f | 73 | const char *udev_device_get_id_filename(struct udev_device *udev_device); |
48a0170b | 74 | void udev_device_set_is_initialized(struct udev_device *udev_device); |
fbb31cd6 | 75 | int udev_device_add_tag(struct udev_device *udev_device, const char *tag); |
28460195 | 76 | void udev_device_cleanup_tags_list(struct udev_device *udev_device); |
40fe8b11 KS |
77 | usec_t udev_device_get_usec_initialized(struct udev_device *udev_device); |
78 | void udev_device_set_usec_initialized(struct udev_device *udev_device, usec_t usec_initialized); | |
37ed4f56 KS |
79 | int udev_device_get_devlink_priority(struct udev_device *udev_device); |
80 | int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio); | |
37ed4f56 KS |
81 | int udev_device_get_watch_handle(struct udev_device *udev_device); |
82 | int udev_device_set_watch_handle(struct udev_device *udev_device, int handle); | |
fc416258 | 83 | int udev_device_get_ifindex(struct udev_device *udev_device); |
37ed4f56 | 84 | void udev_device_set_info_loaded(struct udev_device *device); |
9ead6627 KS |
85 | bool udev_device_get_db_persist(struct udev_device *udev_device); |
86 | void udev_device_set_db_persist(struct udev_device *udev_device); | |
11d543c1 | 87 | |
98631e1c | 88 | /* libudev-device-private.c */ |
37ed4f56 KS |
89 | int udev_device_update_db(struct udev_device *udev_device); |
90 | int udev_device_delete_db(struct udev_device *udev_device); | |
c1dbe11d | 91 | int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add); |
fc233a87 | 92 | |
9060b066 | 93 | /* libudev-monitor.c - netlink/unix socket communication */ |
1e03b754 KS |
94 | int udev_monitor_disconnect(struct udev_monitor *udev_monitor); |
95 | int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender); | |
96 | int udev_monitor_send_device(struct udev_monitor *udev_monitor, | |
912541b0 | 97 | struct udev_monitor *destination, struct udev_device *udev_device); |
7459bcdc | 98 | struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd); |
9925ab04 | 99 | |
9060b066 | 100 | /* libudev-list.c */ |
8cd2e972 | 101 | struct udev_list_node { |
912541b0 | 102 | struct udev_list_node *next, *prev; |
e345e267 | 103 | }; |
869c9031 | 104 | struct udev_list { |
912541b0 KS |
105 | struct udev *udev; |
106 | struct udev_list_node node; | |
107 | struct udev_list_entry **entries; | |
108 | unsigned int entries_cur; | |
109 | unsigned int entries_max; | |
110 | bool unique; | |
869c9031 | 111 | }; |
ff2c503d | 112 | #define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) } |
869c9031 KS |
113 | void udev_list_node_init(struct udev_list_node *list); |
114 | int udev_list_node_is_empty(struct udev_list_node *list); | |
37ed4f56 KS |
115 | void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list); |
116 | void udev_list_node_remove(struct udev_list_node *entry); | |
9dcf7ec8 | 117 | #define udev_list_node_foreach(node, list) \ |
912541b0 KS |
118 | for (node = (list)->next; \ |
119 | node != list; \ | |
120 | node = (node)->next) | |
9dcf7ec8 | 121 | #define udev_list_node_foreach_safe(node, tmp, list) \ |
912541b0 KS |
122 | for (node = (list)->next, tmp = (node)->next; \ |
123 | node != list; \ | |
124 | node = tmp, tmp = (tmp)->next) | |
869c9031 KS |
125 | void udev_list_init(struct udev *udev, struct udev_list *list, bool unique); |
126 | void udev_list_cleanup(struct udev_list *list); | |
127 | struct udev_list_entry *udev_list_get_entry(struct udev_list *list); | |
128 | struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value); | |
37ed4f56 | 129 | void udev_list_entry_delete(struct udev_list_entry *entry); |
37ed4f56 | 130 | void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry); |
869c9031 | 131 | void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list); |
8958da13 KS |
132 | int udev_list_entry_get_num(struct udev_list_entry *list_entry); |
133 | void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num); | |
daa849db | 134 | #define udev_list_entry_foreach_safe(entry, tmp, first) \ |
912541b0 KS |
135 | for (entry = first, tmp = udev_list_entry_get_next(entry); \ |
136 | entry != NULL; \ | |
137 | entry = tmp, tmp = udev_list_entry_get_next(tmp)) | |
bf7ad0ea | 138 | |
9060b066 | 139 | /* libudev-queue.c */ |
f503f6b2 AJ |
140 | unsigned long long int udev_get_kernel_seqnum(struct udev *udev); |
141 | int udev_queue_read_seqnum(FILE *queue_file, unsigned long long int *seqnum); | |
142 | ssize_t udev_queue_read_devpath(FILE *queue_file, char *devpath, size_t size); | |
143 | ssize_t udev_queue_skip_devpath(FILE *queue_file); | |
144 | ||
98631e1c | 145 | /* libudev-queue-private.c */ |
f503f6b2 | 146 | struct udev_queue_export *udev_queue_export_new(struct udev *udev); |
f6577968 | 147 | struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev_queue_export); |
f503f6b2 AJ |
148 | void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export); |
149 | int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device); | |
150 | int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device); | |
64ccdf82 | 151 | |
2001208c KS |
152 | /* libudev-hwdb.c */ |
153 | bool udev_hwdb_validate(struct udev_hwdb *hwdb); | |
154 | ||
44b49d37 | 155 | /* libudev-util.c */ |
2001208c KS |
156 | #define UTIL_PATH_SIZE 1024 |
157 | #define UTIL_NAME_SIZE 512 | |
158 | #define UTIL_LINE_SIZE 16384 | |
159 | #define UDEV_ALLOWED_CHARS_INPUT "/ $%?," | |
cdfdc85f | 160 | ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size); |
37ed4f56 KS |
161 | int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size); |
162 | int util_log_priority(const char *priority); | |
065db052 | 163 | size_t util_path_encode(const char *src, char *dest, size_t size); |
37ed4f56 | 164 | void util_remove_trailing_chars(char *path, char c); |
065db052 | 165 | size_t util_strpcpy(char **dest, size_t size, const char *src); |
119f66fc | 166 | size_t util_strpcpyl(char **dest, size_t size, const char *src, ...) __attribute__((sentinel)); |
065db052 | 167 | size_t util_strscpy(char *dest, size_t size, const char *src); |
119f66fc | 168 | size_t util_strscpyl(char *dest, size_t size, const char *src, ...) __attribute__((sentinel)); |
0bbe8838 KS |
169 | int util_replace_whitespace(const char *str, char *to, size_t len); |
170 | int util_replace_chars(char *str, const char *white); | |
28460195 KS |
171 | unsigned int util_string_hash32(const char *key); |
172 | uint64_t util_string_bloom64(const char *str); | |
44b49d37 KS |
173 | |
174 | /* libudev-util-private.c */ | |
44b49d37 | 175 | int util_delete_path(struct udev *udev, const char *path); |
44b49d37 KS |
176 | uid_t util_lookup_user(struct udev *udev, const char *user); |
177 | gid_t util_lookup_group(struct udev *udev, const char *group); | |
2001208c | 178 | int util_resolve_subsys_kernel(struct udev *udev, const char *string, char *result, size_t maxsize, int read_value); |
c6eefe36 | 179 | ssize_t print_kmsg(const char *fmt, ...) __attribute__((format(printf, 1, 2))); |
33a5cc29 | 180 | #endif |