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40ca29a1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2013 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
40ca29a1 | 24 | #include "sd-bus.h" |
07630cea LP |
25 | #include "sd-event.h" |
26 | ||
40ca29a1 | 27 | #include "hashmap.h" |
57ab2eab | 28 | #include "install.h" |
07630cea | 29 | #include "string-util.h" |
40ca29a1 | 30 | #include "time-util.h" |
40ca29a1 | 31 | |
057171ef DH |
32 | typedef enum BusTransport { |
33 | BUS_TRANSPORT_LOCAL, | |
34 | BUS_TRANSPORT_REMOTE, | |
35 | BUS_TRANSPORT_MACHINE, | |
36 | _BUS_TRANSPORT_MAX, | |
37 | _BUS_TRANSPORT_INVALID = -1 | |
38 | } BusTransport; | |
39 | ||
9f6eb1cd KS |
40 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
41 | ||
ffc06c35 | 42 | struct bus_properties_map { |
9f6eb1cd KS |
43 | const char *member; |
44 | const char *signature; | |
45 | bus_property_set_t set; | |
46 | size_t offset; | |
ffc06c35 KS |
47 | }; |
48 | ||
9f6eb1cd KS |
49 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
50 | ||
fe506d56 LP |
51 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); |
52 | int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); | |
53 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, void *userdata); | |
ffc06c35 | 54 | |
6203e07a | 55 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 56 | |
37224a5f LP |
57 | typedef bool (*check_idle_t)(void *userdata); |
58 | ||
59 | 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 | 60 | |
5fd38859 DH |
61 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
62 | ||
718db961 | 63 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 64 | |
403ed0e5 | 65 | 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 | 66 | |
403ed0e5 | 67 | 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 | 68 | void bus_verify_polkit_async_registry_free(Hashmap *registry); |
40ca29a1 | 69 | |
266f3e26 LP |
70 | int bus_connect_system_systemd(sd_bus **_bus); |
71 | int bus_connect_user_systemd(sd_bus **_bus); | |
a1da8583 | 72 | |
266f3e26 LP |
73 | int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
74 | int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); | |
d21ed1ea | 75 | |
9f6eb1cd | 76 | int bus_print_property(const char *name, sd_bus_message *property, bool all); |
27e72d6b | 77 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all); |
0c842e0a | 78 | |
ebcf1f97 | 79 | 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); |
e6504030 | 80 | |
718db961 LP |
81 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
82 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
83 | ||
84 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
85 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
86 | ||
87 | assert_cc(sizeof(unsigned) == sizeof(unsigned)); | |
88 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) | |
89 | ||
90 | /* On 64bit machines we can use the default serializer for size_t and | |
91 | * friends, otherwise we need to cast this manually */ | |
92 | #if __SIZEOF_SIZE_T__ == 8 | |
93 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
94 | #else | |
ebcf1f97 | 95 | 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 |
96 | #endif |
97 | ||
98 | #if __SIZEOF_LONG__ == 8 | |
99 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
100 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
101 | #else | |
ebcf1f97 LP |
102 | 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); |
103 | 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 |
104 | #endif |
105 | ||
106 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
107 | * default serializer for 32bit unsigned, for serializing it, and map | |
108 | * it to NULL here */ | |
109 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
110 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
111 | ||
112 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
113 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
114 | ||
115 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
116 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
117 | ||
118 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
119 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 120 | |
5b30bef8 | 121 | int bus_log_parse_error(int r); |
f459b602 MAP |
122 | int bus_log_create_error(int r); |
123 | ||
124 | typedef struct UnitInfo { | |
1238ee09 | 125 | const char *machine; |
f459b602 MAP |
126 | const char *id; |
127 | const char *description; | |
128 | const char *load_state; | |
129 | const char *active_state; | |
130 | const char *sub_state; | |
131 | const char *following; | |
132 | const char *unit_path; | |
133 | uint32_t job_id; | |
134 | const char *job_type; | |
135 | const char *job_path; | |
136 | } UnitInfo; | |
137 | ||
138 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u); | |
5b30bef8 | 139 | |
057171ef DH |
140 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref); |
141 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_flush_close_unref); | |
142 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_slot*, sd_bus_slot_unref); | |
143 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref); | |
144 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_creds*, sd_bus_creds_unref); | |
145 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_track*, sd_bus_track_unref); | |
146 | ||
147 | #define _cleanup_bus_unref_ _cleanup_(sd_bus_unrefp) | |
148 | #define _cleanup_bus_flush_close_unref_ _cleanup_(sd_bus_flush_close_unrefp) | |
149 | #define _cleanup_bus_slot_unref_ _cleanup_(sd_bus_slot_unrefp) | |
150 | #define _cleanup_bus_message_unref_ _cleanup_(sd_bus_message_unrefp) | |
151 | #define _cleanup_bus_creds_unref_ _cleanup_(sd_bus_creds_unrefp) | |
152 | #define _cleanup_bus_track_unref_ _cleanup_(sd_bus_slot_unrefp) | |
153 | #define _cleanup_bus_error_free_ _cleanup_(sd_bus_error_free) | |
154 | ||
c3350683 LP |
155 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ |
156 | int function(sd_bus *bus, \ | |
157 | const char *path, \ | |
158 | const char *interface, \ | |
159 | const char *property, \ | |
160 | sd_bus_message *reply, \ | |
ebcf1f97 LP |
161 | void *userdata, \ |
162 | sd_bus_error *error) { \ | |
c3350683 LP |
163 | \ |
164 | const char *value; \ | |
165 | type *field = userdata; \ | |
166 | int r; \ | |
167 | \ | |
168 | assert(bus); \ | |
169 | assert(reply); \ | |
170 | assert(field); \ | |
171 | \ | |
172 | value = strempty(name##_to_string(*field)); \ | |
173 | \ | |
174 | r = sd_bus_message_append_basic(reply, 's', value); \ | |
175 | if (r < 0) \ | |
176 | return r; \ | |
177 | \ | |
178 | return 1; \ | |
179 | } \ | |
180 | struct __useless_struct_to_allow_trailing_semicolon__ | |
181 | ||
718db961 | 182 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
183 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
184 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 | 185 | |
df31a6c0 | 186 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment); |
ebd011d9 LP |
187 | |
188 | typedef struct BusWaitForJobs BusWaitForJobs; | |
189 | ||
190 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret); | |
191 | void bus_wait_for_jobs_free(BusWaitForJobs *d); | |
192 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path); | |
193 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet); | |
de158ed2 | 194 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet); |
ebd011d9 LP |
195 | |
196 | DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free); | |
d8f52ed2 | 197 | |
57ab2eab | 198 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes); |
98a4c30b DH |
199 | |
200 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); | |
201 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
057171ef DH |
202 | |
203 | bool is_kdbus_wanted(void); | |
204 | bool is_kdbus_available(void); | |
c9d031c3 EV |
205 | |
206 | 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); |