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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 | ||
27 | #include "sd-bus-vtable.h" | |
40ca29a1 | 28 | #include "sd-bus.h" |
07630cea LP |
29 | #include "sd-event.h" |
30 | ||
40ca29a1 | 31 | #include "hashmap.h" |
57ab2eab | 32 | #include "install.h" |
a8fbdf54 | 33 | #include "macro.h" |
07630cea | 34 | #include "string-util.h" |
40ca29a1 | 35 | #include "time-util.h" |
40ca29a1 | 36 | |
057171ef DH |
37 | typedef enum BusTransport { |
38 | BUS_TRANSPORT_LOCAL, | |
39 | BUS_TRANSPORT_REMOTE, | |
40 | BUS_TRANSPORT_MACHINE, | |
41 | _BUS_TRANSPORT_MAX, | |
42 | _BUS_TRANSPORT_INVALID = -1 | |
43 | } BusTransport; | |
44 | ||
9f6eb1cd KS |
45 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
46 | ||
ffc06c35 | 47 | struct bus_properties_map { |
9f6eb1cd KS |
48 | const char *member; |
49 | const char *signature; | |
50 | bus_property_set_t set; | |
51 | size_t offset; | |
ffc06c35 KS |
52 | }; |
53 | ||
9f6eb1cd KS |
54 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
55 | ||
fe506d56 LP |
56 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); |
57 | int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); | |
58 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, void *userdata); | |
ffc06c35 | 59 | |
6203e07a | 60 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 61 | |
37224a5f LP |
62 | typedef bool (*check_idle_t)(void *userdata); |
63 | ||
64 | 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 | 65 | |
5fd38859 DH |
66 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
67 | ||
718db961 | 68 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 69 | |
403ed0e5 | 70 | 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 | 71 | |
403ed0e5 | 72 | 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 | 73 | void bus_verify_polkit_async_registry_free(Hashmap *registry); |
40ca29a1 | 74 | |
266f3e26 LP |
75 | int bus_connect_system_systemd(sd_bus **_bus); |
76 | int bus_connect_user_systemd(sd_bus **_bus); | |
a1da8583 | 77 | |
266f3e26 LP |
78 | int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
79 | int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); | |
d21ed1ea | 80 | |
9f6eb1cd | 81 | int bus_print_property(const char *name, sd_bus_message *property, bool all); |
27e72d6b | 82 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all); |
0c842e0a | 83 | |
ebcf1f97 | 84 | 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 | 85 | |
718db961 LP |
86 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
87 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
88 | ||
89 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
90 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
91 | ||
92 | assert_cc(sizeof(unsigned) == sizeof(unsigned)); | |
93 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) | |
94 | ||
95 | /* On 64bit machines we can use the default serializer for size_t and | |
96 | * friends, otherwise we need to cast this manually */ | |
97 | #if __SIZEOF_SIZE_T__ == 8 | |
98 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
99 | #else | |
ebcf1f97 | 100 | 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 |
101 | #endif |
102 | ||
103 | #if __SIZEOF_LONG__ == 8 | |
104 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
105 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
106 | #else | |
ebcf1f97 LP |
107 | 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); |
108 | 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 |
109 | #endif |
110 | ||
111 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
112 | * default serializer for 32bit unsigned, for serializing it, and map | |
113 | * it to NULL here */ | |
114 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
115 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
116 | ||
117 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
118 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
119 | ||
120 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
121 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
122 | ||
123 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
124 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 125 | |
5b30bef8 | 126 | int bus_log_parse_error(int r); |
f459b602 MAP |
127 | int bus_log_create_error(int r); |
128 | ||
129 | typedef struct UnitInfo { | |
1238ee09 | 130 | const char *machine; |
f459b602 MAP |
131 | const char *id; |
132 | const char *description; | |
133 | const char *load_state; | |
134 | const char *active_state; | |
135 | const char *sub_state; | |
136 | const char *following; | |
137 | const char *unit_path; | |
138 | uint32_t job_id; | |
139 | const char *job_type; | |
140 | const char *job_path; | |
141 | } UnitInfo; | |
142 | ||
143 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u); | |
5b30bef8 | 144 | |
c3350683 LP |
145 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ |
146 | int function(sd_bus *bus, \ | |
147 | const char *path, \ | |
148 | const char *interface, \ | |
149 | const char *property, \ | |
150 | sd_bus_message *reply, \ | |
ebcf1f97 LP |
151 | void *userdata, \ |
152 | sd_bus_error *error) { \ | |
c3350683 LP |
153 | \ |
154 | const char *value; \ | |
155 | type *field = userdata; \ | |
156 | int r; \ | |
157 | \ | |
158 | assert(bus); \ | |
159 | assert(reply); \ | |
160 | assert(field); \ | |
161 | \ | |
162 | value = strempty(name##_to_string(*field)); \ | |
163 | \ | |
164 | r = sd_bus_message_append_basic(reply, 's', value); \ | |
165 | if (r < 0) \ | |
166 | return r; \ | |
167 | \ | |
168 | return 1; \ | |
169 | } \ | |
170 | struct __useless_struct_to_allow_trailing_semicolon__ | |
171 | ||
718db961 | 172 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
173 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
174 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 | 175 | |
df31a6c0 | 176 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment); |
ebd011d9 LP |
177 | |
178 | typedef struct BusWaitForJobs BusWaitForJobs; | |
179 | ||
180 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret); | |
181 | void bus_wait_for_jobs_free(BusWaitForJobs *d); | |
182 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path); | |
c11bda1e | 183 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args); |
de158ed2 | 184 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet); |
ebd011d9 LP |
185 | |
186 | DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free); | |
d8f52ed2 | 187 | |
57ab2eab | 188 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes); |
98a4c30b DH |
189 | |
190 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); | |
191 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
057171ef DH |
192 | |
193 | bool is_kdbus_wanted(void); | |
194 | bool is_kdbus_available(void); | |
c9d031c3 EV |
195 | |
196 | 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); |