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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
40ca29a1 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2013 Lennart Poettering | |
40ca29a1 LP |
8 | ***/ |
9 | ||
a8fbdf54 TA |
10 | #include <stdbool.h> |
11 | #include <stddef.h> | |
12 | #include <stdint.h> | |
13 | #include <sys/types.h> | |
14 | ||
40ca29a1 | 15 | #include "sd-bus.h" |
07630cea LP |
16 | #include "sd-event.h" |
17 | ||
40ca29a1 | 18 | #include "hashmap.h" |
a8fbdf54 | 19 | #include "macro.h" |
07630cea | 20 | #include "string-util.h" |
40ca29a1 | 21 | |
057171ef DH |
22 | typedef enum BusTransport { |
23 | BUS_TRANSPORT_LOCAL, | |
24 | BUS_TRANSPORT_REMOTE, | |
25 | BUS_TRANSPORT_MACHINE, | |
26 | _BUS_TRANSPORT_MAX, | |
27 | _BUS_TRANSPORT_INVALID = -1 | |
28 | } BusTransport; | |
29 | ||
9f6eb1cd KS |
30 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
31 | ||
ffc06c35 | 32 | struct bus_properties_map { |
9f6eb1cd KS |
33 | const char *member; |
34 | const char *signature; | |
35 | bus_property_set_t set; | |
36 | size_t offset; | |
ffc06c35 KS |
37 | }; |
38 | ||
a7e4861c YW |
39 | enum { |
40 | BUS_MAP_STRDUP = 1U << 0, /* If set, each "s" message is duplicated. Thus, each pointer needs to be freed. */ | |
41 | BUS_MAP_BOOLEAN_AS_BOOL = 1U << 1, /* If set, each "b" message is written to a bool pointer. If not set, "b" is written to a int pointer. */ | |
42 | }; | |
43 | ||
9f6eb1cd KS |
44 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
45 | ||
a7e4861c YW |
46 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata); |
47 | int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata); | |
48 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, | |
49 | unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata); | |
ffc06c35 | 50 | |
6203e07a | 51 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 52 | |
37224a5f LP |
53 | typedef bool (*check_idle_t)(void *userdata); |
54 | ||
55 | int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata); | |
718db961 | 56 | |
5fd38859 DH |
57 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
58 | ||
718db961 | 59 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 60 | |
403ed0e5 | 61 | int bus_test_polkit(sd_bus_message *call, int capability, const char *action, const char **details, uid_t good_user, bool *_challenge, sd_bus_error *e); |
40ca29a1 | 62 | |
403ed0e5 | 63 | int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *action, const char **details, bool interactive, uid_t good_user, Hashmap **registry, sd_bus_error *error); |
36e34057 | 64 | void bus_verify_polkit_async_registry_free(Hashmap *registry); |
40ca29a1 | 65 | |
266f3e26 LP |
66 | int bus_connect_system_systemd(sd_bus **_bus); |
67 | int bus_connect_user_systemd(sd_bus **_bus); | |
a1da8583 | 68 | |
266f3e26 LP |
69 | int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
70 | int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); | |
d21ed1ea | 71 | |
07636114 YW |
72 | typedef int (*bus_message_print_t) (const char *name, sd_bus_message *m, bool value, bool all); |
73 | ||
4f9a9105 | 74 | int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all); |
07636114 YW |
75 | int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties); |
76 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties); | |
0c842e0a | 77 | |
ebcf1f97 | 78 | int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
43ce15ac | 79 | int bus_property_set_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error); |
766c94ad | 80 | int bus_property_get_id128(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
e6504030 | 81 | |
718db961 LP |
82 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
83 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
84 | ||
85 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
86 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
87 | ||
9629659f | 88 | assert_cc(sizeof(unsigned) == sizeof(uint32_t)); |
718db961 LP |
89 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) |
90 | ||
91 | /* On 64bit machines we can use the default serializer for size_t and | |
92 | * friends, otherwise we need to cast this manually */ | |
93 | #if __SIZEOF_SIZE_T__ == 8 | |
94 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
95 | #else | |
ebcf1f97 | 96 | int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
718db961 LP |
97 | #endif |
98 | ||
99 | #if __SIZEOF_LONG__ == 8 | |
100 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
101 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
102 | #else | |
ebcf1f97 LP |
103 | int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
104 | int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); | |
718db961 LP |
105 | #endif |
106 | ||
107 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
108 | * default serializer for 32bit unsigned, for serializing it, and map | |
109 | * it to NULL here */ | |
110 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
111 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
112 | ||
113 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
114 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
115 | ||
116 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
117 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
118 | ||
119 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
120 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 121 | |
5b30bef8 | 122 | int bus_log_parse_error(int r); |
f459b602 MAP |
123 | int bus_log_create_error(int r); |
124 | ||
c3350683 LP |
125 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ |
126 | int function(sd_bus *bus, \ | |
127 | const char *path, \ | |
128 | const char *interface, \ | |
129 | const char *property, \ | |
130 | sd_bus_message *reply, \ | |
ebcf1f97 LP |
131 | void *userdata, \ |
132 | sd_bus_error *error) { \ | |
c3350683 LP |
133 | \ |
134 | const char *value; \ | |
135 | type *field = userdata; \ | |
136 | int r; \ | |
137 | \ | |
138 | assert(bus); \ | |
139 | assert(reply); \ | |
140 | assert(field); \ | |
141 | \ | |
142 | value = strempty(name##_to_string(*field)); \ | |
143 | \ | |
144 | r = sd_bus_message_append_basic(reply, 's', value); \ | |
145 | if (r < 0) \ | |
146 | return r; \ | |
147 | \ | |
148 | return 1; \ | |
f6a8265b | 149 | } |
c3350683 | 150 | |
718db961 | 151 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
152 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
153 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 | 154 | |
98a4c30b DH |
155 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); |
156 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
057171ef | 157 | |
c9d031c3 | 158 | int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
984794ba LP |
159 | |
160 | int bus_track_add_name_many(sd_bus_track *t, char **l); | |
d7afd945 LP |
161 | |
162 | int bus_open_system_watch_bind(sd_bus **ret); |