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40ca29a1 LP |
1 | #pragma once |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
a8fbdf54 TA |
22 | #include <stdbool.h> |
23 | #include <stddef.h> | |
24 | #include <stdint.h> | |
25 | #include <sys/types.h> | |
26 | ||
40ca29a1 | 27 | #include "sd-bus.h" |
07630cea LP |
28 | #include "sd-event.h" |
29 | ||
40ca29a1 | 30 | #include "hashmap.h" |
a8fbdf54 | 31 | #include "macro.h" |
07630cea | 32 | #include "string-util.h" |
40ca29a1 | 33 | |
057171ef DH |
34 | typedef enum BusTransport { |
35 | BUS_TRANSPORT_LOCAL, | |
36 | BUS_TRANSPORT_REMOTE, | |
37 | BUS_TRANSPORT_MACHINE, | |
38 | _BUS_TRANSPORT_MAX, | |
39 | _BUS_TRANSPORT_INVALID = -1 | |
40 | } BusTransport; | |
41 | ||
9f6eb1cd KS |
42 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
43 | ||
ffc06c35 | 44 | struct bus_properties_map { |
9f6eb1cd KS |
45 | const char *member; |
46 | const char *signature; | |
47 | bus_property_set_t set; | |
48 | size_t offset; | |
ffc06c35 KS |
49 | }; |
50 | ||
9f6eb1cd KS |
51 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
52 | ||
fe506d56 LP |
53 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); |
54 | int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); | |
55 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, void *userdata); | |
ffc06c35 | 56 | |
6203e07a | 57 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 58 | |
37224a5f LP |
59 | typedef bool (*check_idle_t)(void *userdata); |
60 | ||
61 | 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 | 62 | |
5fd38859 DH |
63 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
64 | ||
718db961 | 65 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 66 | |
403ed0e5 | 67 | 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 | 68 | |
403ed0e5 | 69 | 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 | 70 | void bus_verify_polkit_async_registry_free(Hashmap *registry); |
40ca29a1 | 71 | |
266f3e26 LP |
72 | int bus_connect_system_systemd(sd_bus **_bus); |
73 | int bus_connect_user_systemd(sd_bus **_bus); | |
a1da8583 | 74 | |
266f3e26 LP |
75 | int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
76 | int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); | |
d21ed1ea | 77 | |
4f9a9105 | 78 | int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all); |
85500523 | 79 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all); |
0c842e0a | 80 | |
ebcf1f97 | 81 | 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); |
766c94ad | 82 | 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 | 83 | |
718db961 LP |
84 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
85 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
86 | ||
87 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
88 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
89 | ||
90 | assert_cc(sizeof(unsigned) == sizeof(unsigned)); | |
91 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) | |
92 | ||
93 | /* On 64bit machines we can use the default serializer for size_t and | |
94 | * friends, otherwise we need to cast this manually */ | |
95 | #if __SIZEOF_SIZE_T__ == 8 | |
96 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
97 | #else | |
ebcf1f97 | 98 | 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 |
99 | #endif |
100 | ||
101 | #if __SIZEOF_LONG__ == 8 | |
102 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
103 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
104 | #else | |
ebcf1f97 LP |
105 | 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); |
106 | 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 |
107 | #endif |
108 | ||
109 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
110 | * default serializer for 32bit unsigned, for serializing it, and map | |
111 | * it to NULL here */ | |
112 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
113 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
114 | ||
115 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
116 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
117 | ||
118 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
119 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
120 | ||
121 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
122 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 123 | |
5b30bef8 | 124 | int bus_log_parse_error(int r); |
f459b602 MAP |
125 | int bus_log_create_error(int r); |
126 | ||
c3350683 LP |
127 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ |
128 | int function(sd_bus *bus, \ | |
129 | const char *path, \ | |
130 | const char *interface, \ | |
131 | const char *property, \ | |
132 | sd_bus_message *reply, \ | |
ebcf1f97 LP |
133 | void *userdata, \ |
134 | sd_bus_error *error) { \ | |
c3350683 LP |
135 | \ |
136 | const char *value; \ | |
137 | type *field = userdata; \ | |
138 | int r; \ | |
139 | \ | |
140 | assert(bus); \ | |
141 | assert(reply); \ | |
142 | assert(field); \ | |
143 | \ | |
144 | value = strempty(name##_to_string(*field)); \ | |
145 | \ | |
146 | r = sd_bus_message_append_basic(reply, 's', value); \ | |
147 | if (r < 0) \ | |
148 | return r; \ | |
149 | \ | |
150 | return 1; \ | |
151 | } \ | |
152 | struct __useless_struct_to_allow_trailing_semicolon__ | |
153 | ||
718db961 | 154 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
155 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
156 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 | 157 | |
98a4c30b DH |
158 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); |
159 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
057171ef | 160 | |
c9d031c3 | 161 | 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); |