5 This file is part of systemd.
7 Copyright 2013 Lennart Poettering
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include <sys/types.h>
31 #include "_sd-common.h"
33 _SD_BEGIN_DECLARATIONS;
37 typedef struct sd_bus sd_bus;
38 typedef struct sd_bus_message sd_bus_message;
39 typedef struct sd_bus_slot sd_bus_slot;
40 typedef struct sd_bus_creds sd_bus_creds;
41 typedef struct sd_bus_track sd_bus_track;
57 SD_BUS_CREDS_PID = 1ULL << 0,
58 SD_BUS_CREDS_TID = 1ULL << 1,
59 SD_BUS_CREDS_PPID = 1ULL << 2,
60 SD_BUS_CREDS_UID = 1ULL << 3,
61 SD_BUS_CREDS_EUID = 1ULL << 4,
62 SD_BUS_CREDS_SUID = 1ULL << 5,
63 SD_BUS_CREDS_FSUID = 1ULL << 6,
64 SD_BUS_CREDS_GID = 1ULL << 7,
65 SD_BUS_CREDS_EGID = 1ULL << 8,
66 SD_BUS_CREDS_SGID = 1ULL << 9,
67 SD_BUS_CREDS_FSGID = 1ULL << 10,
68 SD_BUS_CREDS_SUPPLEMENTARY_GIDS = 1ULL << 11,
69 SD_BUS_CREDS_COMM = 1ULL << 12,
70 SD_BUS_CREDS_TID_COMM = 1ULL << 13,
71 SD_BUS_CREDS_EXE = 1ULL << 14,
72 SD_BUS_CREDS_CMDLINE = 1ULL << 15,
73 SD_BUS_CREDS_CGROUP = 1ULL << 16,
74 SD_BUS_CREDS_UNIT = 1ULL << 17,
75 SD_BUS_CREDS_SLICE = 1ULL << 18,
76 SD_BUS_CREDS_USER_UNIT = 1ULL << 19,
77 SD_BUS_CREDS_USER_SLICE = 1ULL << 20,
78 SD_BUS_CREDS_SESSION = 1ULL << 21,
79 SD_BUS_CREDS_OWNER_UID = 1ULL << 22,
80 SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 23,
81 SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 24,
82 SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 25,
83 SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 26,
84 SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 27,
85 SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 28,
86 SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 29,
87 SD_BUS_CREDS_TTY = 1ULL << 30,
88 SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 31,
89 SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 32,
90 SD_BUS_CREDS_DESCRIPTION = 1ULL << 33,
91 SD_BUS_CREDS_AUGMENT = 1ULL << 63, /* special flag, if on sd-bus will augment creds struct, in a potentially race-full way. */
92 _SD_BUS_CREDS_ALL = (1ULL << 34) -1
96 SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0,
97 SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1,
98 SD_BUS_NAME_QUEUE = 1ULL << 2
103 typedef int (*sd_bus_message_handler_t)(sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
104 typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
105 typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *ret_error);
106 typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void *userdata, void **ret_found, sd_bus_error *ret_error);
107 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *prefix, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
108 typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata);
110 #include "sd-bus-protocol.h"
111 #include "sd-bus-vtable.h"
115 int sd_bus_default(sd_bus **ret);
116 int sd_bus_default_user(sd_bus **ret);
117 int sd_bus_default_system(sd_bus **ret);
119 int sd_bus_open(sd_bus **ret);
120 int sd_bus_open_user(sd_bus **ret);
121 int sd_bus_open_system(sd_bus **ret);
122 int sd_bus_open_system_remote(sd_bus **ret, const char *host);
123 int sd_bus_open_system_machine(sd_bus **ret, const char *machine);
125 int sd_bus_new(sd_bus **ret);
127 int sd_bus_set_address(sd_bus *bus, const char *address);
128 int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd);
129 int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
130 int sd_bus_get_address(sd_bus *bus, const char **address);
131 int sd_bus_set_bus_client(sd_bus *bus, int b);
132 int sd_bus_is_bus_client(sd_bus *bus);
133 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t bus_id);
134 int sd_bus_is_server(sd_bus *bus);
135 int sd_bus_set_anonymous(sd_bus *bus, int b);
136 int sd_bus_is_anonymous(sd_bus *bus);
137 int sd_bus_set_trusted(sd_bus *bus, int b);
138 int sd_bus_is_trusted(sd_bus *bus);
139 int sd_bus_set_monitor(sd_bus *bus, int b);
140 int sd_bus_is_monitor(sd_bus *bus);
141 int sd_bus_set_description(sd_bus *bus, const char *description);
142 int sd_bus_get_description(sd_bus *bus, const char **description);
143 int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t creds_mask);
144 int sd_bus_negotiate_timestamp(sd_bus *bus, int b);
145 int sd_bus_negotiate_fds(sd_bus *bus, int b);
146 int sd_bus_can_send(sd_bus *bus, char type);
147 int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *creds_mask);
148 int sd_bus_set_allow_interactive_authorization(sd_bus *bus, int b);
149 int sd_bus_get_allow_interactive_authorization(sd_bus *bus);
151 int sd_bus_set_exit_on_disconnect(sd_bus *bus, int b);
152 int sd_bus_get_exit_on_disconnect(sd_bus *bus);
154 int sd_bus_start(sd_bus *ret);
156 int sd_bus_try_close(sd_bus *bus);
157 void sd_bus_close(sd_bus *bus);
159 sd_bus *sd_bus_ref(sd_bus *bus);
160 sd_bus *sd_bus_unref(sd_bus *bus);
161 sd_bus *sd_bus_flush_close_unref(sd_bus *bus);
163 void sd_bus_default_flush_close(void);
165 int sd_bus_is_open(sd_bus *bus);
167 int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id);
168 int sd_bus_get_scope(sd_bus *bus, const char **scope);
169 int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
170 int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
172 int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie);
173 int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie);
174 int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply);
175 int sd_bus_call_async(sd_bus *bus, sd_bus_slot **slot, sd_bus_message *m, sd_bus_message_handler_t callback, void *userdata, uint64_t usec);
177 int sd_bus_get_fd(sd_bus *bus);
178 int sd_bus_get_events(sd_bus *bus);
179 int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
180 int sd_bus_process(sd_bus *bus, sd_bus_message **r);
181 int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
182 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
183 int sd_bus_flush(sd_bus *bus);
185 sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
186 sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
187 sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
188 void* sd_bus_get_current_userdata(sd_bus *bus);
190 int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
191 int sd_bus_detach_event(sd_bus *bus);
192 sd_event *sd_bus_get_event(sd_bus *bus);
194 int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
195 int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
196 int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata);
197 int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
198 int sd_bus_add_object_vtable(sd_bus *bus, sd_bus_slot **slot, const char *path, const char *interface, const sd_bus_vtable *vtable, void *userdata);
199 int sd_bus_add_fallback_vtable(sd_bus *bus, sd_bus_slot **slot, const char *prefix, const char *interface, const sd_bus_vtable *vtable, sd_bus_object_find_t find, void *userdata);
200 int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
201 int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path);
205 sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot);
206 sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot);
208 sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot);
209 void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
210 void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
211 int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description);
212 int sd_bus_slot_get_description(sd_bus_slot *slot, const char **description);
214 sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
215 sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
216 void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
220 int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member);
221 int sd_bus_message_new_method_call(sd_bus *bus, sd_bus_message **m, const char *destination, const char *path, const char *interface, const char *member);
222 int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
223 int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e);
224 int sd_bus_message_new_method_errorf(sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_(4, 5);
225 int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e);
226 int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5);
228 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
229 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
231 int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
232 int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie);
233 int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie);
234 int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority);
236 int sd_bus_message_get_expect_reply(sd_bus_message *m);
237 int sd_bus_message_get_auto_start(sd_bus_message *m);
238 int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m);
240 const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
241 const char *sd_bus_message_get_path(sd_bus_message *m);
242 const char *sd_bus_message_get_interface(sd_bus_message *m);
243 const char *sd_bus_message_get_member(sd_bus_message *m);
244 const char *sd_bus_message_get_destination(sd_bus_message *m);
245 const char *sd_bus_message_get_sender(sd_bus_message *m);
246 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
247 int sd_bus_message_get_errno(sd_bus_message *m);
249 int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec);
250 int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec);
251 int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t* seqnum);
253 sd_bus* sd_bus_message_get_bus(sd_bus_message *m);
254 sd_bus_creds *sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */
256 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
257 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
258 int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
259 int sd_bus_message_is_empty(sd_bus_message *m);
260 int sd_bus_message_has_signature(sd_bus_message *m, const char *signature);
262 int sd_bus_message_set_expect_reply(sd_bus_message *m, int b);
263 int sd_bus_message_set_auto_start(sd_bus_message *m, int b);
264 int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b);
266 int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
267 int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority);
269 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
270 int sd_bus_message_appendv(sd_bus_message *m, const char *types, va_list ap);
271 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
272 int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
273 int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
274 int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n);
275 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd, uint64_t offset, uint64_t size);
276 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
277 int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n);
278 int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd, uint64_t offset, uint64_t size);
279 int sd_bus_message_append_strv(sd_bus_message *m, char **l);
280 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
281 int sd_bus_message_close_container(sd_bus_message *m);
282 int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all);
284 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
285 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
286 int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
287 int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */
288 int sd_bus_message_skip(sd_bus_message *m, const char *types);
289 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
290 int sd_bus_message_exit_container(sd_bus_message *m);
291 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
292 int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents);
293 int sd_bus_message_at_end(sd_bus_message *m, int complete);
294 int sd_bus_message_rewind(sd_bus_message *m, int complete);
298 int sd_bus_get_unique_name(sd_bus *bus, const char **unique);
299 int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags);
300 int sd_bus_release_name(sd_bus *bus, const char *name);
301 int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */
302 int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */
303 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
305 /* Convenience calls */
307 int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...);
308 int sd_bus_call_method_async(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...);
309 int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *type);
310 int sd_bus_get_property_trivial(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char type, void *ret_ptr);
311 int sd_bus_get_property_string(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char **ret); /* free the result! */
312 int sd_bus_get_property_strv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char ***ret); /* free the result! */
313 int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, const char *type, ...);
315 int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...);
316 int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
317 int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4);
318 int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e);
319 int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4);
321 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
323 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
324 int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_;
326 int sd_bus_emit_object_added(sd_bus *bus, const char *path);
327 int sd_bus_emit_object_removed(sd_bus *bus, const char *path);
328 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
329 int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
330 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
331 int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
333 int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds);
334 int sd_bus_query_sender_privilege(sd_bus_message *call, int capability);
336 /* Credential handling */
338 int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);
339 sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c);
340 sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c);
341 uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c);
342 uint64_t sd_bus_creds_get_augmented_mask(const sd_bus_creds *c);
344 int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid);
345 int sd_bus_creds_get_ppid(sd_bus_creds *c, pid_t *ppid);
346 int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid);
347 int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid);
348 int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid);
349 int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid);
350 int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid);
351 int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid);
352 int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid);
353 int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid);
354 int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid);
355 int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids);
356 int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm);
357 int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm);
358 int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe);
359 int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline);
360 int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup);
361 #if 0 /** unsupported by elogind **/
362 int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit);
364 int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice);
365 #if 0 /// UNNEEDED by elogind
366 int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit);
368 int sd_bus_creds_get_user_slice(sd_bus_creds *c, const char **slice);
369 int sd_bus_creds_get_session(sd_bus_creds *c, const char **session);
370 int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid);
371 int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability);
372 int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability);
373 int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability);
374 int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability);
375 int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context);
376 int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid);
377 int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid);
378 int sd_bus_creds_get_tty(sd_bus_creds *c, const char **tty);
379 int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name);
380 int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names);
381 int sd_bus_creds_get_description(sd_bus_creds *c, const char **name);
383 /* Error structures */
385 #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0})
386 #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL)
388 void sd_bus_error_free(sd_bus_error *e);
389 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
390 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4);
391 int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
392 int sd_bus_error_set_errno(sd_bus_error *e, int error);
393 int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4);
394 int sd_bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap) _sd_printf_(3,0);
395 int sd_bus_error_get_errno(const sd_bus_error *e);
396 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
397 int sd_bus_error_is_set(const sd_bus_error *e);
398 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
400 #define SD_BUS_ERROR_MAP(_name, _code) \
405 #define SD_BUS_ERROR_MAP_END \
411 int sd_bus_error_add_map(const sd_bus_error_map *map);
413 /* Auxiliary macros */
415 #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \
416 (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \
417 (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \
418 (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \
419 (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
421 #define SD_BUS_MESSAGE_READ_ID128(x) 16, \
422 &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \
423 &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \
424 &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \
425 &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15]
429 int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path);
430 int sd_bus_path_encode_many(char **out, const char *path_template, ...);
431 int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id);
432 int sd_bus_path_decode_many(const char *path, const char *path_template, ...);
436 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
437 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
438 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
440 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
441 void *sd_bus_track_get_userdata(sd_bus_track *track);
442 void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
444 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
445 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);
446 int sd_bus_track_add_name(sd_bus_track *track, const char *name);
447 int sd_bus_track_remove_name(sd_bus_track *track, const char *name);
449 int sd_bus_track_set_recursive(sd_bus_track *track, int b);
450 int sd_bus_track_get_recursive(sd_bus_track *track);
452 unsigned sd_bus_track_count(sd_bus_track *track);
453 int sd_bus_track_count_sender(sd_bus_track *track, sd_bus_message *m);
454 int sd_bus_track_count_name(sd_bus_track *track, const char *name);
456 const char* sd_bus_track_contains(sd_bus_track *track, const char *name);
457 const char* sd_bus_track_first(sd_bus_track *track);
458 const char* sd_bus_track_next(sd_bus_track *track);
460 /* Define helpers so that __attribute__((cleanup(sd_bus_unrefp))) and similar may be used. */
461 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus, sd_bus_unref);
462 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus, sd_bus_flush_close_unref);
463 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_slot, sd_bus_slot_unref);
464 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_message, sd_bus_message_unref);
465 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_creds, sd_bus_creds_unref);
466 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_track, sd_bus_track_unref);
468 _SD_END_DECLARATIONS;