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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
ea430986 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
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 | |
a7334b09 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
ea430986 LP |
22 | #include <sys/epoll.h> |
23 | #include <sys/timerfd.h> | |
24 | #include <errno.h> | |
25 | #include <unistd.h> | |
26 | ||
718db961 | 27 | #include "sd-bus.h" |
ea430986 LP |
28 | #include "log.h" |
29 | #include "strv.h" | |
49e942b2 | 30 | #include "mkdir.h" |
4db17f29 | 31 | #include "missing.h" |
4139c1b2 LP |
32 | #include "dbus-unit.h" |
33 | #include "dbus-job.h" | |
34 | #include "dbus-manager.h" | |
718db961 LP |
35 | #include "dbus-execute.h" |
36 | #include "dbus-kill.h" | |
37 | #include "dbus-cgroup.h" | |
8f6df3fa | 38 | #include "special.h" |
718db961 LP |
39 | #include "dbus.h" |
40 | #include "bus-util.h" | |
41 | #include "bus-error.h" | |
42 | #include "bus-errors.h" | |
43 | #include "strxcpyx.h" | |
44 | #include "dbus-client-track.h" | |
4288f619 | 45 | |
417b1a62 | 46 | #define CONNECTIONS_MAX 512 |
5e8d1c9a | 47 | |
718db961 LP |
48 | static void destroy_bus(Manager *m, sd_bus **bus); |
49 | ||
50 | int bus_send_queued_message(Manager *m) { | |
51 | int r; | |
8e274523 | 52 | |
8e274523 | 53 | assert(m); |
2e317f52 | 54 | |
718db961 LP |
55 | if (!m->queued_message) |
56 | return 0; | |
8e274523 | 57 | |
718db961 | 58 | assert(m->queued_message_bus); |
8e274523 | 59 | |
718db961 LP |
60 | /* If we cannot get rid of this message we won't dispatch any |
61 | * D-Bus messages, so that we won't end up wanting to queue | |
62 | * another message. */ | |
ea430986 | 63 | |
718db961 LP |
64 | r = sd_bus_send(m->queued_message_bus, m->queued_message, NULL); |
65 | if (r < 0) | |
66 | log_warning("Failed to send queued message: %s", strerror(-r)); | |
ea430986 | 67 | |
718db961 LP |
68 | m->queued_message = sd_bus_message_unref(m->queued_message); |
69 | m->queued_message_bus = sd_bus_unref(m->queued_message_bus); | |
ea430986 | 70 | |
718db961 | 71 | return 0; |
ea430986 LP |
72 | } |
73 | ||
718db961 LP |
74 | static int signal_agent_released(sd_bus *bus, sd_bus_message *message, void *userdata) { |
75 | Manager *m = userdata; | |
76 | const char *cgroup; | |
77 | int r; | |
ea430986 | 78 | |
718db961 LP |
79 | assert(bus); |
80 | assert(message); | |
ea430986 LP |
81 | assert(m); |
82 | ||
718db961 LP |
83 | r = sd_bus_message_read(message, "s", &cgroup); |
84 | if (r < 0) { | |
85 | bus_log_parse_error(r); | |
86 | return 0; | |
87 | } | |
ea430986 | 88 | |
718db961 | 89 | manager_notify_cgroup_empty(m, cgroup); |
ea430986 | 90 | |
718db961 LP |
91 | if (m->running_as == SYSTEMD_SYSTEM && m->system_bus) { |
92 | /* If we are running as system manager, forward the | |
93 | * message to the system bus */ | |
ea430986 | 94 | |
718db961 LP |
95 | r = sd_bus_send(m->system_bus, message, NULL); |
96 | if (r < 0) | |
97 | log_warning("Failed to forward Released message: %s", strerror(-r)); | |
98 | } | |
ea430986 | 99 | |
718db961 LP |
100 | return 0; |
101 | } | |
ea430986 | 102 | |
718db961 LP |
103 | static int signal_disconnected(sd_bus *bus, sd_bus_message *message, void *userdata) { |
104 | Manager *m = userdata; | |
ea430986 | 105 | |
718db961 LP |
106 | assert(bus); |
107 | assert(message); | |
108 | assert(m); | |
ea430986 | 109 | |
718db961 LP |
110 | if (bus == m->api_bus) |
111 | destroy_bus(m, &m->api_bus); | |
112 | if (bus == m->system_bus) | |
113 | destroy_bus(m, &m->system_bus); | |
114 | if (set_remove(m->private_buses, bus)) { | |
115 | log_debug("Got disconnect on private connection."); | |
116 | destroy_bus(m, &bus); | |
ea430986 LP |
117 | } |
118 | ||
718db961 | 119 | return 0; |
ea430986 LP |
120 | } |
121 | ||
718db961 LP |
122 | static int signal_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
123 | const char *name, *old_owner, *new_owner; | |
124 | Manager *m = userdata; | |
125 | int r; | |
ea430986 | 126 | |
718db961 LP |
127 | assert(bus); |
128 | assert(message); | |
ea430986 LP |
129 | assert(m); |
130 | ||
718db961 LP |
131 | r = sd_bus_message_read(message, "sss", &name, &old_owner, &new_owner); |
132 | if (r < 0) { | |
133 | bus_log_parse_error(r); | |
134 | return 0; | |
135 | } | |
ea430986 | 136 | |
718db961 LP |
137 | manager_dispatch_bus_name_owner_changed( |
138 | m, name, | |
139 | isempty(old_owner) ? NULL : old_owner, | |
140 | isempty(new_owner) ? NULL : new_owner); | |
ea430986 | 141 | |
718db961 | 142 | return 0; |
ea430986 LP |
143 | } |
144 | ||
718db961 LP |
145 | static int signal_activation_request(sd_bus *bus, sd_bus_message *message, void *userdata) { |
146 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
147 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
148 | Manager *m = userdata; | |
149 | const char *name; | |
150 | Unit *u; | |
151 | int r; | |
ea430986 | 152 | |
718db961 LP |
153 | assert(bus); |
154 | assert(message); | |
ea430986 LP |
155 | assert(m); |
156 | ||
718db961 LP |
157 | r = sd_bus_message_read(message, "s", &name); |
158 | if (r < 0) { | |
159 | bus_log_parse_error(r); | |
160 | return 0; | |
161 | } | |
ea430986 | 162 | |
718db961 LP |
163 | if (manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SERVICE) || |
164 | manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SOCKET)) { | |
165 | r = sd_bus_error_setf(&error, BUS_ERROR_SHUTTING_DOWN, "Refusing activation, D-Bus is shutting down."); | |
166 | goto failed; | |
167 | } | |
ea430986 | 168 | |
718db961 LP |
169 | r = manager_load_unit(m, name, NULL, &error, &u); |
170 | if (r < 0) | |
171 | goto failed; | |
ea430986 | 172 | |
718db961 LP |
173 | if (u->refuse_manual_start) { |
174 | r = sd_bus_error_setf(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, %u may be requested by dependency only.", u->id); | |
175 | goto failed; | |
ea430986 LP |
176 | } |
177 | ||
718db961 LP |
178 | r = manager_add_job(m, JOB_START, u, JOB_REPLACE, true, &error, NULL); |
179 | if (r < 0) | |
180 | goto failed; | |
ea430986 | 181 | |
718db961 | 182 | /* Successfully queued, that's it for us */ |
ea430986 | 183 | return 0; |
ea430986 | 184 | |
718db961 LP |
185 | failed: |
186 | if (!sd_bus_error_is_set(&error)) | |
187 | sd_bus_error_set_errno(&error, r); | |
ea430986 | 188 | |
718db961 | 189 | log_debug("D-Bus activation failed for %s: %s", name, bus_error_message(&error, r)); |
ea430986 | 190 | |
718db961 LP |
191 | r = sd_bus_message_new_signal(bus, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Activator", "ActivationFailure", &reply); |
192 | if (r < 0) { | |
193 | bus_log_create_error(r); | |
194 | return 0; | |
195 | } | |
196 | ||
fa0fed49 | 197 | r = sd_bus_message_append(reply, "sss", name, error.name, error.message); |
718db961 LP |
198 | if (r < 0) { |
199 | bus_log_create_error(r); | |
200 | return 0; | |
201 | } | |
202 | ||
203 | r = sd_bus_send_to(bus, reply, "org.freedesktop.DBus", NULL); | |
204 | if (r < 0) { | |
205 | log_error("Failed to respond with to bus activation request: %s", strerror(-r)); | |
206 | return r; | |
207 | } | |
ea430986 | 208 | |
718db961 | 209 | return 0; |
ea430986 LP |
210 | } |
211 | ||
718db961 LP |
212 | static int bus_job_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
213 | Manager *m = userdata; | |
214 | Job *j; | |
215 | int r; | |
ea430986 | 216 | |
718db961 LP |
217 | assert(bus); |
218 | assert(path); | |
219 | assert(interface); | |
220 | assert(found); | |
ea430986 LP |
221 | assert(m); |
222 | ||
718db961 LP |
223 | r = manager_get_job_from_dbus_path(m, path, &j); |
224 | if (r < 0) | |
225 | return 0; | |
ea430986 | 226 | |
718db961 LP |
227 | *found = j; |
228 | return 1; | |
229 | } | |
ea430986 | 230 | |
718db961 LP |
231 | static Unit *find_unit(Manager *m, sd_bus *bus, const char *path) { |
232 | Unit *u; | |
233 | int r; | |
ea430986 | 234 | |
718db961 LP |
235 | assert(m); |
236 | assert(bus); | |
237 | assert(path); | |
ea430986 | 238 | |
718db961 LP |
239 | if (streq_ptr(path, "/org/freedesktop/systemd1/unit/self")) { |
240 | sd_bus_message *message; | |
241 | pid_t pid; | |
ea430986 | 242 | |
718db961 LP |
243 | message = sd_bus_get_current(bus); |
244 | if (!message) | |
245 | return NULL; | |
ea430986 | 246 | |
718db961 LP |
247 | r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid); |
248 | if (r < 0) | |
249 | return NULL; | |
ea430986 | 250 | |
718db961 LP |
251 | u = manager_get_unit_by_pid(m, pid); |
252 | } else { | |
253 | r = manager_load_unit_from_dbus_path(m, path, NULL, &u); | |
254 | if (r < 0) | |
255 | return NULL; | |
256 | } | |
ea430986 | 257 | |
718db961 | 258 | return u; |
ea430986 LP |
259 | } |
260 | ||
718db961 LP |
261 | static int bus_unit_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
262 | Manager *m = userdata; | |
263 | Unit *u; | |
ea430986 | 264 | |
718db961 LP |
265 | assert(bus); |
266 | assert(path); | |
267 | assert(interface); | |
268 | assert(found); | |
ea430986 LP |
269 | assert(m); |
270 | ||
718db961 LP |
271 | u = find_unit(m, bus, path); |
272 | if (!u) | |
273 | return 0; | |
3df5bf61 | 274 | |
718db961 LP |
275 | *found = u; |
276 | return 1; | |
ea430986 LP |
277 | } |
278 | ||
718db961 LP |
279 | static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
280 | Manager *m = userdata; | |
281 | Unit *u; | |
ea430986 | 282 | |
718db961 LP |
283 | assert(bus); |
284 | assert(path); | |
285 | assert(interface); | |
286 | assert(found); | |
ea430986 LP |
287 | assert(m); |
288 | ||
718db961 LP |
289 | u = find_unit(m, bus, path); |
290 | if (!u) | |
291 | return 0; | |
3df5bf61 | 292 | |
718db961 LP |
293 | if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface)) |
294 | return 0; | |
ea430986 | 295 | |
718db961 LP |
296 | *found = u; |
297 | return 1; | |
ea430986 LP |
298 | } |
299 | ||
718db961 LP |
300 | static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
301 | Manager *m = userdata; | |
302 | Unit *u; | |
c1e1601e | 303 | |
718db961 LP |
304 | assert(bus); |
305 | assert(path); | |
306 | assert(interface); | |
307 | assert(found); | |
c1e1601e LP |
308 | assert(m); |
309 | ||
718db961 LP |
310 | u = find_unit(m, bus, path); |
311 | if (!u) | |
312 | return 0; | |
05e343b7 | 313 | |
718db961 LP |
314 | if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface)) |
315 | return 0; | |
05e343b7 | 316 | |
718db961 LP |
317 | if (!unit_get_cgroup_context(u)) |
318 | return 0; | |
0034c15c | 319 | |
718db961 LP |
320 | *found = u; |
321 | return 1; | |
322 | } | |
0034c15c | 323 | |
718db961 LP |
324 | static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
325 | Manager *m = userdata; | |
326 | CGroupContext *c; | |
327 | Unit *u; | |
af25ec12 | 328 | |
718db961 LP |
329 | assert(bus); |
330 | assert(path); | |
331 | assert(interface); | |
332 | assert(found); | |
333 | assert(m); | |
0034c15c | 334 | |
718db961 LP |
335 | u = find_unit(m, bus, path); |
336 | if (!u) | |
337 | return 0; | |
0034c15c | 338 | |
718db961 LP |
339 | if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface)) |
340 | return 0; | |
0034c15c | 341 | |
718db961 LP |
342 | c = unit_get_cgroup_context(u); |
343 | if (!c) | |
344 | return 0; | |
c1e1601e | 345 | |
718db961 LP |
346 | *found = c; |
347 | return 1; | |
348 | } | |
0034c15c | 349 | |
718db961 LP |
350 | static int bus_exec_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
351 | Manager *m = userdata; | |
352 | ExecContext *c; | |
353 | Unit *u; | |
0034c15c | 354 | |
718db961 LP |
355 | assert(bus); |
356 | assert(path); | |
357 | assert(interface); | |
358 | assert(found); | |
359 | assert(m); | |
0034c15c | 360 | |
718db961 LP |
361 | u = find_unit(m, bus, path); |
362 | if (!u) | |
363 | return 0; | |
0034c15c | 364 | |
718db961 LP |
365 | if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface)) |
366 | return 0; | |
0034c15c | 367 | |
718db961 LP |
368 | c = unit_get_exec_context(u); |
369 | if (!c) | |
370 | return 0; | |
0034c15c | 371 | |
718db961 LP |
372 | *found = c; |
373 | return 1; | |
c1e1601e LP |
374 | } |
375 | ||
718db961 LP |
376 | static int bus_kill_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
377 | Manager *m = userdata; | |
378 | KillContext *c; | |
379 | Unit *u; | |
8e274523 | 380 | |
718db961 LP |
381 | assert(bus); |
382 | assert(path); | |
383 | assert(interface); | |
384 | assert(found); | |
8e274523 LP |
385 | assert(m); |
386 | ||
718db961 LP |
387 | u = find_unit(m, bus, path); |
388 | if (!u) | |
389 | return 0; | |
8e274523 | 390 | |
718db961 LP |
391 | if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface)) |
392 | return 0; | |
8e274523 | 393 | |
718db961 LP |
394 | c = unit_get_kill_context(u); |
395 | if (!c) | |
396 | return 0; | |
53c6a358 | 397 | |
718db961 LP |
398 | *found = c; |
399 | return 1; | |
400 | } | |
8e274523 | 401 | |
718db961 LP |
402 | static int bus_job_enumerate(sd_bus *bus, const char *path, char ***nodes, void *userdata) { |
403 | _cleanup_free_ char **l = NULL; | |
404 | Manager *m = userdata; | |
405 | unsigned k = 0; | |
406 | Iterator i; | |
407 | Job *j; | |
8e274523 | 408 | |
718db961 LP |
409 | l = new0(char*, hashmap_size(m->jobs)+1); |
410 | if (!l) | |
411 | return -ENOMEM; | |
8e274523 | 412 | |
718db961 LP |
413 | HASHMAP_FOREACH(j, m->jobs, i) { |
414 | l[k] = job_dbus_path(j); | |
415 | if (!l[k]) | |
416 | return -ENOMEM; | |
5e8d1c9a | 417 | |
718db961 LP |
418 | k++; |
419 | } | |
5e8d1c9a | 420 | |
718db961 | 421 | assert(hashmap_size(m->jobs) == k); |
3c661fad | 422 | |
718db961 LP |
423 | *nodes = l; |
424 | l = NULL; | |
5e8d1c9a | 425 | |
718db961 LP |
426 | return k; |
427 | } | |
53c6a358 | 428 | |
718db961 LP |
429 | static int bus_unit_enumerate(sd_bus *bus, const char *path, char ***nodes, void *userdata) { |
430 | _cleanup_free_ char **l = NULL; | |
431 | Manager *m = userdata; | |
432 | unsigned k = 0; | |
433 | Iterator i; | |
434 | Unit *u; | |
3c661fad | 435 | |
718db961 LP |
436 | l = new0(char*, hashmap_size(m->units)+1); |
437 | if (!l) | |
438 | return -ENOMEM; | |
53c6a358 | 439 | |
718db961 LP |
440 | HASHMAP_FOREACH(u, m->units, i) { |
441 | l[k] = unit_dbus_path(u); | |
442 | if (!l[k]) | |
443 | return -ENOMEM; | |
53c6a358 | 444 | |
718db961 | 445 | k++; |
3c661fad LP |
446 | } |
447 | ||
718db961 LP |
448 | *nodes = l; |
449 | l = NULL; | |
5e8d1c9a | 450 | |
718db961 | 451 | return k; |
5e8d1c9a LP |
452 | } |
453 | ||
718db961 LP |
454 | static int bus_setup_api_vtables(Manager *m, sd_bus *bus) { |
455 | UnitType t; | |
456 | int r; | |
5e8d1c9a | 457 | |
ea430986 | 458 | assert(m); |
718db961 | 459 | assert(bus); |
ea430986 | 460 | |
718db961 LP |
461 | r = sd_bus_add_object_vtable(bus, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", bus_manager_vtable, m); |
462 | if (r < 0) { | |
463 | log_error("Failed to register Manager vtable: %s", strerror(-r)); | |
464 | return r; | |
a16e1123 LP |
465 | } |
466 | ||
718db961 LP |
467 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/job", "org.freedesktop.systemd1.Job", bus_job_vtable, bus_job_find, m); |
468 | if (r < 0) { | |
469 | log_error("Failed to register Job vtable: %s", strerror(-r)); | |
470 | return r; | |
fd18e1f4 | 471 | } |
c1e1601e | 472 | |
718db961 LP |
473 | r = sd_bus_add_node_enumerator(bus, "/org/freedesktop/systemd1/job", bus_job_enumerate, m); |
474 | if (r < 0) { | |
475 | log_error("Failed to add job enumerator: %s", strerror(-r)); | |
476 | return r; | |
477 | } | |
61902ea3 | 478 | |
718db961 LP |
479 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", "org.freedesktop.systemd1.Unit", bus_unit_vtable, bus_unit_find, m); |
480 | if (r < 0) { | |
481 | log_error("Failed to register Unit vtable: %s", strerror(-r)); | |
482 | return r; | |
483 | } | |
61902ea3 | 484 | |
718db961 LP |
485 | r = sd_bus_add_node_enumerator(bus, "/org/freedesktop/systemd1/unit", bus_unit_enumerate, m); |
486 | if (r < 0) { | |
487 | log_error("Failed to add job enumerator: %s", strerror(-r)); | |
488 | return r; | |
489 | } | |
61902ea3 | 490 | |
718db961 LP |
491 | for (t = 0; t < _UNIT_TYPE_MAX; t++) { |
492 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, unit_vtable[t]->bus_vtable, bus_unit_interface_find, m); | |
493 | if (r < 0) { | |
494 | log_error("Failed to register type specific vtable for %s: %s", unit_vtable[t]->bus_interface, strerror(-r)); | |
495 | return r; | |
496 | } | |
61902ea3 | 497 | |
718db961 LP |
498 | if (unit_vtable[t]->cgroup_context_offset > 0) { |
499 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_unit_cgroup_vtable, bus_unit_cgroup_find, m); | |
500 | if (r < 0) { | |
501 | log_error("Failed to register control group unit vtable for %s: %s", unit_vtable[t]->bus_interface, strerror(-r)); | |
502 | return r; | |
503 | } | |
61902ea3 | 504 | |
718db961 LP |
505 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_cgroup_vtable, bus_cgroup_context_find, m); |
506 | if (r < 0) { | |
507 | log_error("Failed to register control group vtable for %s: %s", unit_vtable[t]->bus_interface, strerror(-r)); | |
508 | return r; | |
509 | } | |
61902ea3 LP |
510 | } |
511 | ||
718db961 LP |
512 | if (unit_vtable[t]->exec_context_offset > 0) { |
513 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_exec_vtable, bus_exec_context_find, m); | |
514 | if (r < 0) { | |
515 | log_error("Failed to register execute vtable for %s: %s", unit_vtable[t]->bus_interface, strerror(-r)); | |
516 | return r; | |
517 | } | |
518 | } | |
61902ea3 | 519 | |
718db961 LP |
520 | if (unit_vtable[t]->kill_context_offset > 0) { |
521 | r = sd_bus_add_fallback_vtable(bus, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_kill_vtable, bus_kill_context_find, m); | |
522 | if (r < 0) { | |
523 | log_error("Failed to register kill vtable for %s: %s", unit_vtable[t]->bus_interface, strerror(-r)); | |
524 | return r; | |
525 | } | |
526 | } | |
61902ea3 LP |
527 | } |
528 | ||
718db961 | 529 | return 0; |
61902ea3 LP |
530 | } |
531 | ||
718db961 LP |
532 | static int bus_setup_disconnected_match(Manager *m, sd_bus *bus) { |
533 | int r; | |
61902ea3 | 534 | |
718db961 LP |
535 | assert(m); |
536 | assert(bus); | |
61902ea3 | 537 | |
718db961 LP |
538 | r = sd_bus_add_match( |
539 | bus, | |
540 | "type='signal'," | |
541 | "path='/org/freedesktop/DBus/Local'," | |
542 | "interface='org.freedesktop.DBus.Local'," | |
543 | "member='Disconnected'", | |
544 | signal_disconnected, m); | |
05e343b7 | 545 | |
718db961 LP |
546 | if (r < 0) { |
547 | log_error("Failed to register match for Disconnected message: %s", strerror(-r)); | |
548 | return r; | |
05e343b7 LP |
549 | } |
550 | ||
718db961 | 551 | return 0; |
ea430986 LP |
552 | } |
553 | ||
718db961 LP |
554 | static int bus_on_connection(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
555 | _cleanup_bus_unref_ sd_bus *bus = NULL; | |
556 | _cleanup_close_ int nfd = -1; | |
6dded4c7 | 557 | Manager *m = userdata; |
718db961 LP |
558 | sd_id128_t id; |
559 | int r; | |
6dded4c7 | 560 | |
718db961 | 561 | assert(s); |
6dded4c7 LP |
562 | assert(m); |
563 | ||
718db961 LP |
564 | nfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC); |
565 | if (nfd < 0) { | |
566 | log_warning("Failed to accept private connection, ignoring: %m"); | |
567 | return 0; | |
568 | } | |
6dded4c7 | 569 | |
718db961 LP |
570 | if (set_size(m->private_buses) >= CONNECTIONS_MAX) { |
571 | log_warning("Too many concurrent connections, refusing"); | |
572 | return 0; | |
573 | } | |
6dded4c7 | 574 | |
718db961 LP |
575 | r = set_ensure_allocated(&m->private_buses, trivial_hash_func, trivial_compare_func); |
576 | if (r < 0) { | |
577 | log_oom(); | |
578 | return 0; | |
579 | } | |
6dded4c7 | 580 | |
718db961 LP |
581 | r = sd_bus_new(&bus); |
582 | if (r < 0) { | |
583 | log_warning("Failed to allocate new private connection bus: %s", strerror(-r)); | |
584 | return 0; | |
585 | } | |
6dded4c7 | 586 | |
718db961 LP |
587 | r = sd_bus_set_fd(bus, nfd, nfd); |
588 | if (r < 0) { | |
589 | log_warning("Failed to set fd on new connection bus: %s", strerror(-r)); | |
590 | return 0; | |
591 | } | |
6dded4c7 | 592 | |
718db961 | 593 | nfd = -1; |
6dded4c7 | 594 | |
718db961 LP |
595 | r = bus_check_peercred(bus); |
596 | if (r < 0) { | |
597 | log_warning("Incoming private connection from unprivileged client, refusing: %s", strerror(-r)); | |
598 | return 0; | |
599 | } | |
6dded4c7 | 600 | |
718db961 | 601 | assert_se(sd_id128_randomize(&id) >= 0); |
6dded4c7 | 602 | |
718db961 LP |
603 | r = sd_bus_set_server(bus, 1, id); |
604 | if (r < 0) { | |
605 | log_warning("Failed to enable server support for new connection bus: %s", strerror(-r)); | |
606 | return 0; | |
607 | } | |
6dded4c7 | 608 | |
718db961 LP |
609 | r = sd_bus_start(bus); |
610 | if (r < 0) { | |
611 | log_warning("Failed to start new connection bus: %s", strerror(-r)); | |
612 | return 0; | |
6dded4c7 LP |
613 | } |
614 | ||
718db961 LP |
615 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); |
616 | if (r < 0) { | |
617 | log_warning("Failed to attach new connection bus to event loop: %s", strerror(-r)); | |
618 | return 0; | |
6dded4c7 LP |
619 | } |
620 | ||
718db961 LP |
621 | if (m->running_as == SYSTEMD_SYSTEM) { |
622 | /* When we run as system instance we get the Released | |
623 | * signal via a direct connection */ | |
624 | ||
625 | r = sd_bus_add_match( | |
626 | bus, | |
627 | "type='signal'," | |
628 | "interface='org.freedesktop.systemd1.Agent'," | |
629 | "member='Released'," | |
630 | "path='/org/freedesktop/systemd1/agent'", | |
631 | signal_agent_released, m); | |
632 | ||
633 | if (r < 0) { | |
634 | log_warning("Failed to register Released match on new connection bus: %s", strerror(-r)); | |
635 | return 0; | |
636 | } | |
637 | } | |
6dded4c7 | 638 | |
718db961 LP |
639 | r = bus_setup_disconnected_match(m, bus); |
640 | if (r < 0) | |
641 | return 0; | |
6dded4c7 | 642 | |
718db961 LP |
643 | r = bus_setup_api_vtables(m, bus); |
644 | if (r < 0) { | |
645 | log_warning("Failed to set up API vtables on new connection bus: %s", strerror(-r)); | |
646 | return 0; | |
647 | } | |
6dded4c7 | 648 | |
718db961 LP |
649 | r = set_put(m->private_buses, bus); |
650 | if (r < 0) { | |
651 | log_warning("Failed to add new conenction bus to set: %s", strerror(-r)); | |
652 | return 0; | |
6dded4c7 LP |
653 | } |
654 | ||
718db961 | 655 | bus = NULL; |
6dded4c7 | 656 | |
718db961 | 657 | log_debug("Accepted new private connection."); |
6dded4c7 | 658 | |
8e274523 LP |
659 | return 0; |
660 | } | |
661 | ||
718db961 LP |
662 | static int bus_list_names(Manager *m, sd_bus *bus) { |
663 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
664 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
665 | const char *name; | |
666 | int r; | |
5e8d1c9a LP |
667 | |
668 | assert(m); | |
718db961 | 669 | assert(bus); |
5e8d1c9a | 670 | |
718db961 LP |
671 | r = sd_bus_call_method( |
672 | bus, | |
673 | "org.freedesktop.DBus", | |
674 | "/org/freedesktop/DBus", | |
675 | "org.freedesktop.DBus", | |
676 | "ListNames", | |
677 | &error, &reply, | |
678 | NULL); | |
679 | if (r < 0) { | |
680 | log_error("Failed to get initial list of names: %s", bus_error_message(&error, r)); | |
681 | return r; | |
5e8d1c9a LP |
682 | } |
683 | ||
718db961 LP |
684 | r = sd_bus_message_enter_container(reply, 'a', "s"); |
685 | if (r < 0) | |
686 | return bus_log_parse_error(r); | |
5e8d1c9a | 687 | |
718db961 LP |
688 | /* This is a bit hacky, we say the owner of the name is the |
689 | * name itself, because we don't want the extra traffic to | |
690 | * figure out the real owner. */ | |
691 | while ((r = sd_bus_message_read(reply, "s", &name)) > 0) | |
692 | manager_dispatch_bus_name_owner_changed(m, name, NULL, name); | |
693 | if (r < 0) | |
694 | return bus_log_parse_error(r); | |
5e8d1c9a | 695 | |
718db961 LP |
696 | r = sd_bus_message_exit_container(reply); |
697 | if (r < 0) | |
698 | return bus_log_parse_error(r); | |
5e8d1c9a | 699 | |
718db961 | 700 | return 0; |
5e8d1c9a LP |
701 | } |
702 | ||
718db961 LP |
703 | static int bus_setup_api(Manager *m, sd_bus *bus) { |
704 | int r; | |
f278026d | 705 | |
718db961 LP |
706 | assert(m); |
707 | assert(bus); | |
c1e1601e | 708 | |
718db961 LP |
709 | r = bus_setup_api_vtables(m, bus); |
710 | if (r < 0) | |
711 | return r; | |
cbd37330 | 712 | |
718db961 LP |
713 | r = sd_bus_add_match( |
714 | bus, | |
715 | "type='signal'," | |
716 | "sender='org.freedesktop.DBus'," | |
717 | "path='/org/freedesktop/DBus'," | |
718 | "interface='org.freedesktop.DBus'," | |
719 | "member='NameOwnerChanged'", | |
720 | signal_name_owner_changed, m); | |
721 | if (r < 0) | |
722 | log_warning("Failed to subscribe to NameOwnerChanged signal: %s", strerror(-r)); | |
723 | ||
724 | r = sd_bus_add_match( | |
725 | bus, | |
726 | "type='signal'," | |
727 | "sender='org.freedesktop.DBus'," | |
728 | "path='/org/freedesktop/DBus'," | |
729 | "interface='org.freedesktop.systemd1.Activator'," | |
730 | "member='ActivationRequest'", | |
731 | signal_activation_request, m); | |
732 | if (r < 0) | |
733 | log_warning("Failed to subscribe to activation signal: %s", strerror(-r)); | |
cbd37330 | 734 | |
718db961 LP |
735 | /* Allow replacing of our name, to ease implementation of |
736 | * reexecution, where we keep the old connection open until | |
737 | * after the new connection is set up and the name installed | |
738 | * to allow clients to synchronously wait for reexecution to | |
739 | * finish */ | |
740 | r = sd_bus_request_name(bus,"org.freedesktop.systemd1", SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING); | |
741 | if (r < 0) { | |
742 | log_error("Failed to register name: %s", strerror(-r)); | |
743 | return r; | |
744 | } | |
53c6a358 | 745 | |
718db961 LP |
746 | if (r != SD_BUS_NAME_PRIMARY_OWNER) { |
747 | log_error("Failed to acquire name."); | |
748 | return -EEXIST; | |
ea430986 LP |
749 | } |
750 | ||
718db961 | 751 | bus_list_names(m, bus); |
f278026d | 752 | |
718db961 | 753 | log_debug("Successfully connected to API bus."); |
f278026d LP |
754 | return 0; |
755 | } | |
756 | ||
718db961 LP |
757 | static int bus_init_api(Manager *m) { |
758 | _cleanup_bus_unref_ sd_bus *bus = NULL; | |
f278026d LP |
759 | int r; |
760 | ||
718db961 LP |
761 | if (m->api_bus) |
762 | return 0; | |
cbd37330 | 763 | |
718db961 LP |
764 | /* The API and system bus is the same if we are running in system mode */ |
765 | if (m->running_as == SYSTEMD_SYSTEM && m->system_bus) | |
766 | bus = sd_bus_ref(m->system_bus); | |
767 | else { | |
768 | if (m->running_as == SYSTEMD_SYSTEM) | |
769 | r = sd_bus_open_system(&bus); | |
770 | else | |
771 | r = sd_bus_open_user(&bus); | |
cbd37330 | 772 | |
718db961 LP |
773 | if (r < 0) { |
774 | log_debug("Failed to connect to API bus, retrying later..."); | |
775 | return 0; | |
cbd37330 MS |
776 | } |
777 | ||
718db961 LP |
778 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); |
779 | if (r < 0) { | |
780 | log_error("Failed to attach API bus to event loop: %s", strerror(-r)); | |
781 | return 0; | |
cbd37330 MS |
782 | } |
783 | ||
718db961 LP |
784 | r = bus_setup_disconnected_match(m, bus); |
785 | if (r < 0) | |
786 | return 0; | |
cbd37330 MS |
787 | } |
788 | ||
718db961 | 789 | r = bus_setup_api(m, bus); |
cbd37330 | 790 | if (r < 0) { |
718db961 LP |
791 | log_error("Failed to set up API bus: %s", strerror(-r)); |
792 | return 0; | |
cbd37330 | 793 | } |
cbd37330 | 794 | |
718db961 LP |
795 | m->api_bus = bus; |
796 | bus = NULL; | |
cbd37330 MS |
797 | |
798 | return 0; | |
cbd37330 MS |
799 | } |
800 | ||
718db961 LP |
801 | static int bus_setup_system(Manager *m, sd_bus *bus) { |
802 | int r; | |
cbd37330 | 803 | |
718db961 LP |
804 | assert(m); |
805 | assert(bus); | |
cbd37330 | 806 | |
718db961 LP |
807 | if (m->running_as == SYSTEMD_SYSTEM) |
808 | return 0; | |
cbd37330 | 809 | |
718db961 LP |
810 | /* If we are a user instance we get the Released message via |
811 | * the system bus */ | |
812 | r = sd_bus_add_match( | |
813 | bus, | |
814 | "type='signal'," | |
815 | "interface='org.freedesktop.systemd1.Agent'," | |
816 | "member='Released'," | |
817 | "path='/org/freedesktop/systemd1/agent'", | |
818 | signal_agent_released, m); | |
4dd1de72 | 819 | |
718db961 LP |
820 | if (r < 0) |
821 | log_warning("Failed to register Released match on system bus: %s", strerror(-r)); | |
822 | ||
823 | log_debug("Successfully connected to system bus."); | |
824 | return 0; | |
cbd37330 MS |
825 | } |
826 | ||
827 | static int bus_init_system(Manager *m) { | |
718db961 | 828 | _cleanup_bus_unref_ sd_bus *bus = NULL; |
cbd37330 MS |
829 | int r; |
830 | ||
831 | if (m->system_bus) | |
832 | return 0; | |
833 | ||
718db961 LP |
834 | /* The API and system bus is the same if we are running in system mode */ |
835 | if (m->running_as == SYSTEMD_SYSTEM && m->api_bus) { | |
836 | m->system_bus = sd_bus_ref(m->api_bus); | |
837 | return 0; | |
9014a8bd | 838 | } |
8e274523 | 839 | |
718db961 LP |
840 | r = sd_bus_open_system(&bus); |
841 | if (r < 0) { | |
842 | log_debug("Failed to connect to system bus, retrying later..."); | |
843 | return 0; | |
844 | } | |
cbd37330 | 845 | |
718db961 | 846 | r = bus_setup_disconnected_match(m, bus); |
cbd37330 | 847 | if (r < 0) |
cbd37330 MS |
848 | return 0; |
849 | ||
718db961 LP |
850 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); |
851 | if (r < 0) { | |
852 | log_error("Failed to attach system bus to event loop: %s", strerror(-r)); | |
cbd37330 MS |
853 | return 0; |
854 | } | |
855 | ||
718db961 LP |
856 | r = bus_setup_system(m, bus); |
857 | if (r < 0) { | |
858 | log_error("Fauiled to set up system bus: %s", strerror(-r)); | |
859 | return 0; | |
cbd37330 MS |
860 | } |
861 | ||
718db961 LP |
862 | m->system_bus = bus; |
863 | bus = NULL; | |
cbd37330 MS |
864 | |
865 | return 0; | |
5e8d1c9a LP |
866 | } |
867 | ||
868 | static int bus_init_private(Manager *m) { | |
718db961 LP |
869 | _cleanup_close_ int fd = -1; |
870 | union sockaddr_union sa = { | |
871 | .un.sun_family = AF_UNIX | |
5e8d1c9a | 872 | }; |
718db961 LP |
873 | sd_event_source *s; |
874 | socklen_t salen; | |
875 | int r; | |
5e8d1c9a LP |
876 | |
877 | assert(m); | |
878 | ||
718db961 | 879 | if (m->private_listen_fd >= 0) |
5e8d1c9a LP |
880 | return 0; |
881 | ||
67445f4e | 882 | if (m->running_as == SYSTEMD_SYSTEM) { |
be81bfc4 LP |
883 | |
884 | /* We want the private bus only when running as init */ | |
885 | if (getpid() != 1) | |
886 | return 0; | |
887 | ||
718db961 LP |
888 | strcpy(sa.un.sun_path, "/run/systemd/private"); |
889 | salen = offsetof(union sockaddr_union, un.sun_path) + sizeof("/run/systemd/private") - 1; | |
be81bfc4 | 890 | } else { |
718db961 LP |
891 | size_t left = sizeof(sa.un.sun_path); |
892 | char *p = sa.un.sun_path; | |
be81bfc4 | 893 | const char *e; |
be81bfc4 | 894 | |
4db17f29 | 895 | e = secure_getenv("XDG_RUNTIME_DIR"); |
718db961 LP |
896 | if (!e) { |
897 | log_error("Failed to determine XDG_RUNTIME_DIR"); | |
898 | return -EHOSTDOWN; | |
be81bfc4 LP |
899 | } |
900 | ||
718db961 LP |
901 | left = strpcpy(&p, left, e); |
902 | left = strpcpy(&p, left, "/systemd/private"); | |
92f30349 | 903 | |
718db961 | 904 | salen = sizeof(sa.un) - left; |
92f30349 | 905 | |
718db961 | 906 | mkdir_parents_label(sa.un.sun_path, 0755); |
be81bfc4 | 907 | } |
5e8d1c9a | 908 | |
718db961 LP |
909 | unlink(sa.un.sun_path); |
910 | ||
911 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
912 | if (fd < 0) { | |
913 | log_error("Failed to allocate private socket: %m"); | |
914 | return -errno; | |
5e8d1c9a LP |
915 | } |
916 | ||
718db961 LP |
917 | r = bind(fd, &sa.sa, salen); |
918 | if (r < 0) { | |
919 | log_error("Failed to bind private socket: %m"); | |
920 | return -errno; | |
5e8d1c9a LP |
921 | } |
922 | ||
718db961 LP |
923 | r = listen(fd, SOMAXCONN); |
924 | if (r < 0) { | |
925 | log_error("Failed to make private socket listening: %m"); | |
926 | return -errno; | |
927 | } | |
5e8d1c9a | 928 | |
718db961 LP |
929 | r = sd_event_add_io(m->event, fd, EPOLLIN, bus_on_connection, m, &s); |
930 | if (r < 0) { | |
931 | log_error("Failed to allocate event source: %s", strerror(-r)); | |
932 | return r; | |
933 | } | |
5e8d1c9a | 934 | |
718db961 LP |
935 | m->private_listen_fd = fd; |
936 | m->private_listen_event_source = s; | |
937 | fd = -1; | |
5e8d1c9a | 938 | |
718db961 | 939 | log_debug("Successfully created private D-Bus server."); |
5e8d1c9a | 940 | |
718db961 | 941 | return 0; |
5e8d1c9a LP |
942 | } |
943 | ||
3996fbe2 | 944 | int bus_init(Manager *m, bool try_bus_connect) { |
5e8d1c9a LP |
945 | int r; |
946 | ||
3996fbe2 | 947 | if (try_bus_connect) { |
718db961 LP |
948 | r = bus_init_system(m); |
949 | if (r < 0) | |
950 | return r; | |
951 | ||
952 | r = bus_init_api(m); | |
953 | if (r < 0) | |
3996fbe2 LP |
954 | return r; |
955 | } | |
956 | ||
6fa48533 LP |
957 | r = bus_init_private(m); |
958 | if (r < 0) | |
5e8d1c9a | 959 | return r; |
f278026d | 960 | |
ea430986 LP |
961 | return 0; |
962 | } | |
963 | ||
718db961 | 964 | static void destroy_bus(Manager *m, sd_bus **bus) { |
a567261a | 965 | Iterator i; |
718db961 | 966 | Job *j; |
a567261a | 967 | |
718db961 LP |
968 | assert(m); |
969 | assert(bus); | |
5e8d1c9a | 970 | |
718db961 | 971 | if (!*bus) |
cbd37330 | 972 | return; |
f278026d | 973 | |
718db961 LP |
974 | /* Get rid of tracked clients on this bus */ |
975 | bus_client_untrack_bus(m->subscribed, *bus); | |
976 | HASHMAP_FOREACH(j, m->jobs, i) | |
977 | bus_client_untrack_bus(j->subscribed, *bus); | |
c1e1601e | 978 | |
718db961 LP |
979 | /* Get rid of queued message on this bus */ |
980 | if (m->queued_message_bus == *bus) { | |
981 | m->queued_message_bus = sd_bus_unref(m->queued_message_bus); | |
05e343b7 | 982 | |
718db961 LP |
983 | if (m->queued_message) |
984 | m->queued_message = sd_bus_message_unref(m->queued_message); | |
cbd37330 | 985 | } |
f278026d | 986 | |
718db961 LP |
987 | /* Possibly flush unwritten data, but only if we are |
988 | * unprivileged, since we don't want to sync here */ | |
989 | if (m->running_as != SYSTEMD_SYSTEM) | |
990 | sd_bus_flush(*bus); | |
5e8d1c9a | 991 | |
718db961 LP |
992 | /* And destroy the object */ |
993 | sd_bus_close(*bus); | |
994 | *bus = sd_bus_unref(*bus); | |
5e8d1c9a LP |
995 | } |
996 | ||
997 | void bus_done(Manager *m) { | |
718db961 | 998 | sd_bus *b; |
05e343b7 LP |
999 | |
1000 | assert(m); | |
05e343b7 | 1001 | |
718db961 LP |
1002 | if (m->api_bus) |
1003 | destroy_bus(m, &m->api_bus); | |
1004 | if (m->system_bus) | |
1005 | destroy_bus(m, &m->system_bus); | |
1006 | while ((b = set_steal_first(m->private_buses))) | |
1007 | destroy_bus(m, &b); | |
05e343b7 | 1008 | |
718db961 LP |
1009 | set_free(m->private_buses); |
1010 | set_free(m->subscribed); | |
05e343b7 | 1011 | |
718db961 LP |
1012 | if (m->private_listen_event_source) |
1013 | m->private_listen_event_source = sd_event_source_unref(m->private_listen_event_source); | |
05e343b7 | 1014 | |
718db961 LP |
1015 | if (m->private_listen_fd >= 0) { |
1016 | close_nointr_nofail(m->private_listen_fd); | |
1017 | m->private_listen_fd = -1; | |
05e343b7 | 1018 | } |
a567261a | 1019 | } |
b23de6af LP |
1020 | |
1021 | int bus_fdset_add_all(Manager *m, FDSet *fds) { | |
1022 | Iterator i; | |
718db961 LP |
1023 | sd_bus *b; |
1024 | int fd; | |
b23de6af LP |
1025 | |
1026 | assert(m); | |
1027 | assert(fds); | |
1028 | ||
1029 | /* When we are about to reexecute we add all D-Bus fds to the | |
1030 | * set to pass over to the newly executed systemd. They won't | |
718db961 | 1031 | * be used there however, except thatt they are closed at the |
b23de6af | 1032 | * very end of deserialization, those making it possible for |
44143309 | 1033 | * clients to synchronously wait for systemd to reexec by |
b23de6af LP |
1034 | * simply waiting for disconnection */ |
1035 | ||
718db961 LP |
1036 | if (m->api_bus) { |
1037 | fd = sd_bus_get_fd(m->api_bus); | |
1038 | if (fd >= 0) { | |
b23de6af | 1039 | fd = fdset_put_dup(fds, fd); |
b23de6af LP |
1040 | if (fd < 0) |
1041 | return fd; | |
1042 | } | |
1043 | } | |
1044 | ||
718db961 LP |
1045 | SET_FOREACH(b, m->private_buses, i) { |
1046 | fd = sd_bus_get_fd(b); | |
1047 | if (fd >= 0) { | |
b23de6af | 1048 | fd = fdset_put_dup(fds, fd); |
b23de6af LP |
1049 | if (fd < 0) |
1050 | return fd; | |
1051 | } | |
1052 | } | |
1053 | ||
718db961 LP |
1054 | /* We don't offer any APIs on the system bus (well, unless it |
1055 | * is the same as the API bus) hence we don't bother with it | |
1056 | * here */ | |
6fa48533 | 1057 | |
718db961 | 1058 | return 0; |
6fa48533 LP |
1059 | } |
1060 | ||
1061 | void bus_serialize(Manager *m, FILE *f) { | |
6fa48533 LP |
1062 | assert(m); |
1063 | assert(f); | |
1064 | ||
718db961 | 1065 | bus_client_track_serialize(m, f, m->subscribed); |
6fa48533 LP |
1066 | } |
1067 | ||
1068 | int bus_deserialize_item(Manager *m, const char *line) { | |
6fa48533 LP |
1069 | assert(m); |
1070 | assert(line); | |
1071 | ||
718db961 | 1072 | return bus_client_track_deserialize_item(m, &m->subscribed, line); |
6fa48533 | 1073 | } |