]>
Commit | Line | Data |
---|---|---|
1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | /*** | |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2010 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <errno.h> | |
22 | #include <sys/epoll.h> | |
23 | #include <unistd.h> | |
24 | ||
25 | #include "sd-bus.h" | |
26 | ||
27 | #include "alloc-util.h" | |
28 | #include "bus-common-errors.h" | |
29 | #include "bus-error.h" | |
30 | #include "bus-internal.h" | |
31 | #include "bus-util.h" | |
32 | #include "dbus-cgroup.h" | |
33 | #include "dbus-execute.h" | |
34 | #include "dbus-job.h" | |
35 | #include "dbus-kill.h" | |
36 | #include "dbus-manager.h" | |
37 | #include "dbus-unit.h" | |
38 | #include "dbus.h" | |
39 | #include "fd-util.h" | |
40 | #include "log.h" | |
41 | #include "missing.h" | |
42 | #include "mkdir.h" | |
43 | #include "selinux-access.h" | |
44 | #include "special.h" | |
45 | #include "string-util.h" | |
46 | #include "strv.h" | |
47 | #include "strxcpyx.h" | |
48 | #include "user-util.h" | |
49 | ||
50 | #define CONNECTIONS_MAX 4096 | |
51 | ||
52 | static void destroy_bus(Manager *m, sd_bus **bus); | |
53 | ||
54 | int bus_send_queued_message(Manager *m) { | |
55 | int r; | |
56 | ||
57 | assert(m); | |
58 | ||
59 | if (!m->queued_message) | |
60 | return 0; | |
61 | ||
62 | /* If we cannot get rid of this message we won't dispatch any | |
63 | * D-Bus messages, so that we won't end up wanting to queue | |
64 | * another message. */ | |
65 | ||
66 | r = sd_bus_send(NULL, m->queued_message, NULL); | |
67 | if (r < 0) | |
68 | log_warning_errno(r, "Failed to send queued message: %m"); | |
69 | ||
70 | m->queued_message = sd_bus_message_unref(m->queued_message); | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
75 | int bus_forward_agent_released(Manager *m, const char *path) { | |
76 | int r; | |
77 | ||
78 | assert(m); | |
79 | assert(path); | |
80 | ||
81 | if (!MANAGER_IS_SYSTEM(m)) | |
82 | return 0; | |
83 | ||
84 | if (!m->system_bus) | |
85 | return 0; | |
86 | ||
87 | /* If we are running a system instance we forward the agent message on the system bus, so that the user | |
88 | * instances get notified about this, too */ | |
89 | ||
90 | r = sd_bus_emit_signal(m->system_bus, | |
91 | "/org/freedesktop/systemd1/agent", | |
92 | "org.freedesktop.systemd1.Agent", | |
93 | "Released", | |
94 | "s", path); | |
95 | if (r < 0) | |
96 | return log_debug_errno(r, "Failed to propagate agent release message: %m"); | |
97 | ||
98 | return 1; | |
99 | } | |
100 | ||
101 | static int signal_agent_released(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
102 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
103 | Manager *m = userdata; | |
104 | const char *cgroup; | |
105 | uid_t sender_uid; | |
106 | int r; | |
107 | ||
108 | assert(message); | |
109 | assert(m); | |
110 | ||
111 | /* only accept org.freedesktop.systemd1.Agent from UID=0 */ | |
112 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
113 | if (r < 0) | |
114 | return r; | |
115 | ||
116 | r = sd_bus_creds_get_euid(creds, &sender_uid); | |
117 | if (r < 0 || sender_uid != 0) | |
118 | return 0; | |
119 | ||
120 | /* parse 'cgroup-empty' notification */ | |
121 | r = sd_bus_message_read(message, "s", &cgroup); | |
122 | if (r < 0) { | |
123 | bus_log_parse_error(r); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | manager_notify_cgroup_empty(m, cgroup); | |
128 | return 0; | |
129 | } | |
130 | ||
131 | static int signal_disconnected(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
132 | Manager *m = userdata; | |
133 | sd_bus *bus; | |
134 | ||
135 | assert(message); | |
136 | assert(m); | |
137 | assert_se(bus = sd_bus_message_get_bus(message)); | |
138 | ||
139 | if (bus == m->api_bus) | |
140 | destroy_bus(m, &m->api_bus); | |
141 | if (bus == m->system_bus) | |
142 | destroy_bus(m, &m->system_bus); | |
143 | if (set_remove(m->private_buses, bus)) { | |
144 | log_debug("Got disconnect on private connection."); | |
145 | destroy_bus(m, &bus); | |
146 | } | |
147 | ||
148 | return 0; | |
149 | } | |
150 | ||
151 | static int signal_activation_request(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { | |
152 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
153 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
154 | Manager *m = userdata; | |
155 | const char *name; | |
156 | Unit *u; | |
157 | int r; | |
158 | ||
159 | assert(message); | |
160 | assert(m); | |
161 | ||
162 | r = sd_bus_message_read(message, "s", &name); | |
163 | if (r < 0) { | |
164 | bus_log_parse_error(r); | |
165 | return 0; | |
166 | } | |
167 | ||
168 | if (manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SERVICE) || | |
169 | manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SOCKET)) { | |
170 | r = sd_bus_error_setf(&error, BUS_ERROR_SHUTTING_DOWN, "Refusing activation, D-Bus is shutting down."); | |
171 | goto failed; | |
172 | } | |
173 | ||
174 | r = manager_load_unit(m, name, NULL, &error, &u); | |
175 | if (r < 0) | |
176 | goto failed; | |
177 | ||
178 | if (u->refuse_manual_start) { | |
179 | r = sd_bus_error_setf(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, %s may be requested by dependency only (it is configured to refuse manual start/stop).", u->id); | |
180 | goto failed; | |
181 | } | |
182 | ||
183 | r = manager_add_job(m, JOB_START, u, JOB_REPLACE, &error, NULL); | |
184 | if (r < 0) | |
185 | goto failed; | |
186 | ||
187 | /* Successfully queued, that's it for us */ | |
188 | return 0; | |
189 | ||
190 | failed: | |
191 | if (!sd_bus_error_is_set(&error)) | |
192 | sd_bus_error_set_errno(&error, r); | |
193 | ||
194 | log_debug("D-Bus activation failed for %s: %s", name, bus_error_message(&error, r)); | |
195 | ||
196 | r = sd_bus_message_new_signal(sd_bus_message_get_bus(message), &reply, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Activator", "ActivationFailure"); | |
197 | if (r < 0) { | |
198 | bus_log_create_error(r); | |
199 | return 0; | |
200 | } | |
201 | ||
202 | r = sd_bus_message_append(reply, "sss", name, error.name, error.message); | |
203 | if (r < 0) { | |
204 | bus_log_create_error(r); | |
205 | return 0; | |
206 | } | |
207 | ||
208 | r = sd_bus_send_to(NULL, reply, "org.freedesktop.DBus", NULL); | |
209 | if (r < 0) | |
210 | return log_error_errno(r, "Failed to respond with to bus activation request: %m"); | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | #if HAVE_SELINUX | |
216 | static int mac_selinux_filter(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
217 | Manager *m = userdata; | |
218 | const char *verb, *path; | |
219 | Unit *u = NULL; | |
220 | Job *j; | |
221 | int r; | |
222 | ||
223 | assert(message); | |
224 | ||
225 | /* Our own method calls are all protected individually with | |
226 | * selinux checks, but the built-in interfaces need to be | |
227 | * protected too. */ | |
228 | ||
229 | if (sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Properties", "Set")) | |
230 | verb = "reload"; | |
231 | else if (sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", NULL) || | |
232 | sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Properties", NULL) || | |
233 | sd_bus_message_is_method_call(message, "org.freedesktop.DBus.ObjectManager", NULL) || | |
234 | sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Peer", NULL)) | |
235 | verb = "status"; | |
236 | else | |
237 | return 0; | |
238 | ||
239 | path = sd_bus_message_get_path(message); | |
240 | ||
241 | if (object_path_startswith("/org/freedesktop/systemd1", path)) { | |
242 | ||
243 | r = mac_selinux_access_check(message, verb, error); | |
244 | if (r < 0) | |
245 | return r; | |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
250 | if (streq_ptr(path, "/org/freedesktop/systemd1/unit/self")) { | |
251 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
252 | pid_t pid; | |
253 | ||
254 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
255 | if (r < 0) | |
256 | return 0; | |
257 | ||
258 | r = sd_bus_creds_get_pid(creds, &pid); | |
259 | if (r < 0) | |
260 | return 0; | |
261 | ||
262 | u = manager_get_unit_by_pid(m, pid); | |
263 | } else { | |
264 | r = manager_get_job_from_dbus_path(m, path, &j); | |
265 | if (r >= 0) | |
266 | u = j->unit; | |
267 | else | |
268 | manager_load_unit_from_dbus_path(m, path, NULL, &u); | |
269 | } | |
270 | ||
271 | if (!u) | |
272 | return 0; | |
273 | ||
274 | r = mac_selinux_unit_access_check(u, message, verb, error); | |
275 | if (r < 0) | |
276 | return r; | |
277 | ||
278 | return 0; | |
279 | } | |
280 | #endif | |
281 | ||
282 | static int bus_job_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
283 | Manager *m = userdata; | |
284 | Job *j; | |
285 | int r; | |
286 | ||
287 | assert(bus); | |
288 | assert(path); | |
289 | assert(interface); | |
290 | assert(found); | |
291 | assert(m); | |
292 | ||
293 | r = manager_get_job_from_dbus_path(m, path, &j); | |
294 | if (r < 0) | |
295 | return 0; | |
296 | ||
297 | *found = j; | |
298 | return 1; | |
299 | } | |
300 | ||
301 | static int find_unit(Manager *m, sd_bus *bus, const char *path, Unit **unit, sd_bus_error *error) { | |
302 | Unit *u = NULL; /* just to appease gcc, initialization is not really necessary */ | |
303 | int r; | |
304 | ||
305 | assert(m); | |
306 | assert(bus); | |
307 | assert(path); | |
308 | ||
309 | if (streq_ptr(path, "/org/freedesktop/systemd1/unit/self")) { | |
310 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
311 | sd_bus_message *message; | |
312 | pid_t pid; | |
313 | ||
314 | message = sd_bus_get_current_message(bus); | |
315 | if (!message) | |
316 | return 0; | |
317 | ||
318 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
319 | if (r < 0) | |
320 | return r; | |
321 | ||
322 | r = sd_bus_creds_get_pid(creds, &pid); | |
323 | if (r < 0) | |
324 | return r; | |
325 | ||
326 | u = manager_get_unit_by_pid(m, pid); | |
327 | if (!u) | |
328 | return 0; | |
329 | } else { | |
330 | r = manager_load_unit_from_dbus_path(m, path, error, &u); | |
331 | if (r < 0) | |
332 | return 0; | |
333 | assert(u); | |
334 | } | |
335 | ||
336 | *unit = u; | |
337 | return 1; | |
338 | } | |
339 | ||
340 | static int bus_unit_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
341 | Manager *m = userdata; | |
342 | ||
343 | assert(bus); | |
344 | assert(path); | |
345 | assert(interface); | |
346 | assert(found); | |
347 | assert(m); | |
348 | ||
349 | return find_unit(m, bus, path, (Unit**) found, error); | |
350 | } | |
351 | ||
352 | static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
353 | Manager *m = userdata; | |
354 | Unit *u; | |
355 | int r; | |
356 | ||
357 | assert(bus); | |
358 | assert(path); | |
359 | assert(interface); | |
360 | assert(found); | |
361 | assert(m); | |
362 | ||
363 | r = find_unit(m, bus, path, &u, error); | |
364 | if (r <= 0) | |
365 | return r; | |
366 | ||
367 | if (!streq_ptr(interface, unit_dbus_interface_from_type(u->type))) | |
368 | return 0; | |
369 | ||
370 | *found = u; | |
371 | return 1; | |
372 | } | |
373 | ||
374 | static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
375 | Manager *m = userdata; | |
376 | Unit *u; | |
377 | int r; | |
378 | ||
379 | assert(bus); | |
380 | assert(path); | |
381 | assert(interface); | |
382 | assert(found); | |
383 | assert(m); | |
384 | ||
385 | r = find_unit(m, bus, path, &u, error); | |
386 | if (r <= 0) | |
387 | return r; | |
388 | ||
389 | if (!streq_ptr(interface, unit_dbus_interface_from_type(u->type))) | |
390 | return 0; | |
391 | ||
392 | if (!UNIT_HAS_CGROUP_CONTEXT(u)) | |
393 | return 0; | |
394 | ||
395 | *found = u; | |
396 | return 1; | |
397 | } | |
398 | ||
399 | static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
400 | Manager *m = userdata; | |
401 | CGroupContext *c; | |
402 | Unit *u; | |
403 | int r; | |
404 | ||
405 | assert(bus); | |
406 | assert(path); | |
407 | assert(interface); | |
408 | assert(found); | |
409 | assert(m); | |
410 | ||
411 | r = find_unit(m, bus, path, &u, error); | |
412 | if (r <= 0) | |
413 | return r; | |
414 | ||
415 | if (!streq_ptr(interface, unit_dbus_interface_from_type(u->type))) | |
416 | return 0; | |
417 | ||
418 | c = unit_get_cgroup_context(u); | |
419 | if (!c) | |
420 | return 0; | |
421 | ||
422 | *found = c; | |
423 | return 1; | |
424 | } | |
425 | ||
426 | static int bus_exec_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
427 | Manager *m = userdata; | |
428 | ExecContext *c; | |
429 | Unit *u; | |
430 | int r; | |
431 | ||
432 | assert(bus); | |
433 | assert(path); | |
434 | assert(interface); | |
435 | assert(found); | |
436 | assert(m); | |
437 | ||
438 | r = find_unit(m, bus, path, &u, error); | |
439 | if (r <= 0) | |
440 | return r; | |
441 | ||
442 | if (!streq_ptr(interface, unit_dbus_interface_from_type(u->type))) | |
443 | return 0; | |
444 | ||
445 | c = unit_get_exec_context(u); | |
446 | if (!c) | |
447 | return 0; | |
448 | ||
449 | *found = c; | |
450 | return 1; | |
451 | } | |
452 | ||
453 | static int bus_kill_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
454 | Manager *m = userdata; | |
455 | KillContext *c; | |
456 | Unit *u; | |
457 | int r; | |
458 | ||
459 | assert(bus); | |
460 | assert(path); | |
461 | assert(interface); | |
462 | assert(found); | |
463 | assert(m); | |
464 | ||
465 | r = find_unit(m, bus, path, &u, error); | |
466 | if (r <= 0) | |
467 | return r; | |
468 | ||
469 | if (!streq_ptr(interface, unit_dbus_interface_from_type(u->type))) | |
470 | return 0; | |
471 | ||
472 | c = unit_get_kill_context(u); | |
473 | if (!c) | |
474 | return 0; | |
475 | ||
476 | *found = c; | |
477 | return 1; | |
478 | } | |
479 | ||
480 | static int bus_job_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
481 | _cleanup_strv_free_ char **l = NULL; | |
482 | Manager *m = userdata; | |
483 | unsigned k = 0; | |
484 | Iterator i; | |
485 | Job *j; | |
486 | ||
487 | l = new0(char*, hashmap_size(m->jobs)+1); | |
488 | if (!l) | |
489 | return -ENOMEM; | |
490 | ||
491 | HASHMAP_FOREACH(j, m->jobs, i) { | |
492 | l[k] = job_dbus_path(j); | |
493 | if (!l[k]) | |
494 | return -ENOMEM; | |
495 | ||
496 | k++; | |
497 | } | |
498 | ||
499 | assert(hashmap_size(m->jobs) == k); | |
500 | ||
501 | *nodes = l; | |
502 | l = NULL; | |
503 | ||
504 | return k; | |
505 | } | |
506 | ||
507 | static int bus_unit_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
508 | _cleanup_strv_free_ char **l = NULL; | |
509 | Manager *m = userdata; | |
510 | unsigned k = 0; | |
511 | Iterator i; | |
512 | Unit *u; | |
513 | ||
514 | l = new0(char*, hashmap_size(m->units)+1); | |
515 | if (!l) | |
516 | return -ENOMEM; | |
517 | ||
518 | HASHMAP_FOREACH(u, m->units, i) { | |
519 | l[k] = unit_dbus_path(u); | |
520 | if (!l[k]) | |
521 | return -ENOMEM; | |
522 | ||
523 | k++; | |
524 | } | |
525 | ||
526 | *nodes = l; | |
527 | l = NULL; | |
528 | ||
529 | return k; | |
530 | } | |
531 | ||
532 | static int bus_setup_api_vtables(Manager *m, sd_bus *bus) { | |
533 | UnitType t; | |
534 | int r; | |
535 | ||
536 | assert(m); | |
537 | assert(bus); | |
538 | ||
539 | #if HAVE_SELINUX | |
540 | r = sd_bus_add_filter(bus, NULL, mac_selinux_filter, m); | |
541 | if (r < 0) | |
542 | return log_error_errno(r, "Failed to add SELinux access filter: %m"); | |
543 | #endif | |
544 | ||
545 | r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", bus_manager_vtable, m); | |
546 | if (r < 0) | |
547 | return log_error_errno(r, "Failed to register Manager vtable: %m"); | |
548 | ||
549 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/job", "org.freedesktop.systemd1.Job", bus_job_vtable, bus_job_find, m); | |
550 | if (r < 0) | |
551 | return log_error_errno(r, "Failed to register Job vtable: %m"); | |
552 | ||
553 | r = sd_bus_add_node_enumerator(bus, NULL, "/org/freedesktop/systemd1/job", bus_job_enumerate, m); | |
554 | if (r < 0) | |
555 | return log_error_errno(r, "Failed to add job enumerator: %m"); | |
556 | ||
557 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", "org.freedesktop.systemd1.Unit", bus_unit_vtable, bus_unit_find, m); | |
558 | if (r < 0) | |
559 | return log_error_errno(r, "Failed to register Unit vtable: %m"); | |
560 | ||
561 | r = sd_bus_add_node_enumerator(bus, NULL, "/org/freedesktop/systemd1/unit", bus_unit_enumerate, m); | |
562 | if (r < 0) | |
563 | return log_error_errno(r, "Failed to add job enumerator: %m"); | |
564 | ||
565 | for (t = 0; t < _UNIT_TYPE_MAX; t++) { | |
566 | const char *interface; | |
567 | ||
568 | assert_se(interface = unit_dbus_interface_from_type(t)); | |
569 | ||
570 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", interface, unit_vtable[t]->bus_vtable, bus_unit_interface_find, m); | |
571 | if (r < 0) | |
572 | return log_error_errno(r, "Failed to register type specific vtable for %s: %m", interface); | |
573 | ||
574 | if (unit_vtable[t]->cgroup_context_offset > 0) { | |
575 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", interface, bus_unit_cgroup_vtable, bus_unit_cgroup_find, m); | |
576 | if (r < 0) | |
577 | return log_error_errno(r, "Failed to register control group unit vtable for %s: %m", interface); | |
578 | ||
579 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", interface, bus_cgroup_vtable, bus_cgroup_context_find, m); | |
580 | if (r < 0) | |
581 | return log_error_errno(r, "Failed to register control group vtable for %s: %m", interface); | |
582 | } | |
583 | ||
584 | if (unit_vtable[t]->exec_context_offset > 0) { | |
585 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", interface, bus_exec_vtable, bus_exec_context_find, m); | |
586 | if (r < 0) | |
587 | return log_error_errno(r, "Failed to register execute vtable for %s: %m", interface); | |
588 | } | |
589 | ||
590 | if (unit_vtable[t]->kill_context_offset > 0) { | |
591 | r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", interface, bus_kill_vtable, bus_kill_context_find, m); | |
592 | if (r < 0) | |
593 | return log_error_errno(r, "Failed to register kill vtable for %s: %m", interface); | |
594 | } | |
595 | } | |
596 | ||
597 | return 0; | |
598 | } | |
599 | ||
600 | static int bus_setup_disconnected_match(Manager *m, sd_bus *bus) { | |
601 | int r; | |
602 | ||
603 | assert(m); | |
604 | assert(bus); | |
605 | ||
606 | r = sd_bus_add_match( | |
607 | bus, | |
608 | NULL, | |
609 | "sender='org.freedesktop.DBus.Local'," | |
610 | "type='signal'," | |
611 | "path='/org/freedesktop/DBus/Local'," | |
612 | "interface='org.freedesktop.DBus.Local'," | |
613 | "member='Disconnected'", | |
614 | signal_disconnected, m); | |
615 | ||
616 | if (r < 0) | |
617 | return log_error_errno(r, "Failed to register match for Disconnected message: %m"); | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
622 | static int bus_on_connection(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
623 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
624 | _cleanup_close_ int nfd = -1; | |
625 | Manager *m = userdata; | |
626 | sd_id128_t id; | |
627 | int r; | |
628 | ||
629 | assert(s); | |
630 | assert(m); | |
631 | ||
632 | nfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC); | |
633 | if (nfd < 0) { | |
634 | log_warning_errno(errno, "Failed to accept private connection, ignoring: %m"); | |
635 | return 0; | |
636 | } | |
637 | ||
638 | if (set_size(m->private_buses) >= CONNECTIONS_MAX) { | |
639 | log_warning("Too many concurrent connections, refusing"); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | r = set_ensure_allocated(&m->private_buses, NULL); | |
644 | if (r < 0) { | |
645 | log_oom(); | |
646 | return 0; | |
647 | } | |
648 | ||
649 | r = sd_bus_new(&bus); | |
650 | if (r < 0) { | |
651 | log_warning_errno(r, "Failed to allocate new private connection bus: %m"); | |
652 | return 0; | |
653 | } | |
654 | ||
655 | r = sd_bus_set_fd(bus, nfd, nfd); | |
656 | if (r < 0) { | |
657 | log_warning_errno(r, "Failed to set fd on new connection bus: %m"); | |
658 | return 0; | |
659 | } | |
660 | ||
661 | nfd = -1; | |
662 | ||
663 | r = bus_check_peercred(bus); | |
664 | if (r < 0) { | |
665 | log_warning_errno(r, "Incoming private connection from unprivileged client, refusing: %m"); | |
666 | return 0; | |
667 | } | |
668 | ||
669 | assert_se(sd_id128_randomize(&id) >= 0); | |
670 | ||
671 | r = sd_bus_set_server(bus, 1, id); | |
672 | if (r < 0) { | |
673 | log_warning_errno(r, "Failed to enable server support for new connection bus: %m"); | |
674 | return 0; | |
675 | } | |
676 | ||
677 | r = sd_bus_negotiate_creds(bus, 1, | |
678 | SD_BUS_CREDS_PID|SD_BUS_CREDS_UID| | |
679 | SD_BUS_CREDS_EUID|SD_BUS_CREDS_EFFECTIVE_CAPS| | |
680 | SD_BUS_CREDS_SELINUX_CONTEXT); | |
681 | if (r < 0) { | |
682 | log_warning_errno(r, "Failed to enable credentials for new connection: %m"); | |
683 | return 0; | |
684 | } | |
685 | ||
686 | r = sd_bus_start(bus); | |
687 | if (r < 0) { | |
688 | log_warning_errno(r, "Failed to start new connection bus: %m"); | |
689 | return 0; | |
690 | } | |
691 | ||
692 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); | |
693 | if (r < 0) { | |
694 | log_warning_errno(r, "Failed to attach new connection bus to event loop: %m"); | |
695 | return 0; | |
696 | } | |
697 | ||
698 | r = bus_setup_disconnected_match(m, bus); | |
699 | if (r < 0) | |
700 | return 0; | |
701 | ||
702 | r = bus_setup_api_vtables(m, bus); | |
703 | if (r < 0) { | |
704 | log_warning_errno(r, "Failed to set up API vtables on new connection bus: %m"); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | r = set_put(m->private_buses, bus); | |
709 | if (r < 0) { | |
710 | log_warning_errno(r, "Failed to add new connection bus to set: %m"); | |
711 | return 0; | |
712 | } | |
713 | ||
714 | bus = NULL; | |
715 | ||
716 | log_debug("Accepted new private connection."); | |
717 | ||
718 | return 0; | |
719 | } | |
720 | ||
721 | int manager_sync_bus_names(Manager *m, sd_bus *bus) { | |
722 | _cleanup_strv_free_ char **names = NULL; | |
723 | const char *name; | |
724 | Iterator i; | |
725 | Unit *u; | |
726 | int r; | |
727 | ||
728 | assert(m); | |
729 | assert(bus); | |
730 | ||
731 | r = sd_bus_list_names(bus, &names, NULL); | |
732 | if (r < 0) | |
733 | return log_error_errno(r, "Failed to get initial list of names: %m"); | |
734 | ||
735 | /* We have to synchronize the current bus names with the | |
736 | * list of active services. To do this, walk the list of | |
737 | * all units with bus names. */ | |
738 | HASHMAP_FOREACH_KEY(u, name, m->watch_bus, i) { | |
739 | Service *s = SERVICE(u); | |
740 | ||
741 | assert(s); | |
742 | ||
743 | if (!streq_ptr(s->bus_name, name)) { | |
744 | log_unit_warning(u, "Bus name has changed from %s → %s, ignoring.", s->bus_name, name); | |
745 | continue; | |
746 | } | |
747 | ||
748 | /* Check if a service's bus name is in the list of currently | |
749 | * active names */ | |
750 | if (strv_contains(names, name)) { | |
751 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
752 | const char *unique; | |
753 | ||
754 | /* If it is, determine its current owner */ | |
755 | r = sd_bus_get_name_creds(bus, name, SD_BUS_CREDS_UNIQUE_NAME, &creds); | |
756 | if (r < 0) { | |
757 | log_full_errno(r == -ENXIO ? LOG_DEBUG : LOG_ERR, r, "Failed to get bus name owner %s: %m", name); | |
758 | continue; | |
759 | } | |
760 | ||
761 | r = sd_bus_creds_get_unique_name(creds, &unique); | |
762 | if (r < 0) { | |
763 | log_full_errno(r == -ENXIO ? LOG_DEBUG : LOG_ERR, r, "Failed to get unique name for %s: %m", name); | |
764 | continue; | |
765 | } | |
766 | ||
767 | /* Now, let's compare that to the previous bus owner, and | |
768 | * if it's still the same, all is fine, so just don't | |
769 | * bother the service. Otherwise, the name has apparently | |
770 | * changed, so synthesize a name owner changed signal. */ | |
771 | ||
772 | if (!streq_ptr(unique, s->bus_name_owner)) | |
773 | UNIT_VTABLE(u)->bus_name_owner_change(u, name, s->bus_name_owner, unique); | |
774 | } else { | |
775 | /* So, the name we're watching is not on the bus. | |
776 | * This either means it simply hasn't appeared yet, | |
777 | * or it was lost during the daemon reload. | |
778 | * Check if the service has a stored name owner, | |
779 | * and synthesize a name loss signal in this case. */ | |
780 | ||
781 | if (s->bus_name_owner) | |
782 | UNIT_VTABLE(u)->bus_name_owner_change(u, name, s->bus_name_owner, NULL); | |
783 | } | |
784 | } | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
789 | static int bus_setup_api(Manager *m, sd_bus *bus) { | |
790 | Iterator i; | |
791 | char *name; | |
792 | Unit *u; | |
793 | int r; | |
794 | ||
795 | assert(m); | |
796 | assert(bus); | |
797 | ||
798 | /* Let's make sure we have enough credential bits so that we can make security and selinux decisions */ | |
799 | r = sd_bus_negotiate_creds(bus, 1, | |
800 | SD_BUS_CREDS_PID|SD_BUS_CREDS_UID| | |
801 | SD_BUS_CREDS_EUID|SD_BUS_CREDS_EFFECTIVE_CAPS| | |
802 | SD_BUS_CREDS_SELINUX_CONTEXT); | |
803 | if (r < 0) | |
804 | log_warning_errno(r, "Failed to enable credential passing, ignoring: %m"); | |
805 | ||
806 | r = bus_setup_api_vtables(m, bus); | |
807 | if (r < 0) | |
808 | return r; | |
809 | ||
810 | HASHMAP_FOREACH_KEY(u, name, m->watch_bus, i) { | |
811 | r = unit_install_bus_match(u, bus, name); | |
812 | if (r < 0) | |
813 | log_error_errno(r, "Failed to subscribe to NameOwnerChanged signal for '%s': %m", name); | |
814 | } | |
815 | ||
816 | r = sd_bus_add_match( | |
817 | bus, | |
818 | NULL, | |
819 | "type='signal'," | |
820 | "sender='org.freedesktop.DBus'," | |
821 | "path='/org/freedesktop/DBus'," | |
822 | "interface='org.freedesktop.systemd1.Activator'," | |
823 | "member='ActivationRequest'", | |
824 | signal_activation_request, m); | |
825 | if (r < 0) | |
826 | log_warning_errno(r, "Failed to subscribe to activation signal: %m"); | |
827 | ||
828 | /* Allow replacing of our name, to ease implementation of | |
829 | * reexecution, where we keep the old connection open until | |
830 | * after the new connection is set up and the name installed | |
831 | * to allow clients to synchronously wait for reexecution to | |
832 | * finish */ | |
833 | r = sd_bus_request_name(bus,"org.freedesktop.systemd1", SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_ALLOW_REPLACEMENT); | |
834 | if (r < 0) | |
835 | return log_error_errno(r, "Failed to register name: %m"); | |
836 | ||
837 | r = manager_sync_bus_names(m, bus); | |
838 | if (r < 0) | |
839 | return r; | |
840 | ||
841 | log_debug("Successfully connected to API bus."); | |
842 | return 0; | |
843 | } | |
844 | ||
845 | static int bus_init_api(Manager *m) { | |
846 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
847 | int r; | |
848 | ||
849 | if (m->api_bus) | |
850 | return 0; | |
851 | ||
852 | /* The API and system bus is the same if we are running in system mode */ | |
853 | if (MANAGER_IS_SYSTEM(m) && m->system_bus) | |
854 | bus = sd_bus_ref(m->system_bus); | |
855 | else { | |
856 | if (MANAGER_IS_SYSTEM(m)) | |
857 | r = sd_bus_open_system(&bus); | |
858 | else | |
859 | r = sd_bus_open_user(&bus); | |
860 | ||
861 | if (r < 0) { | |
862 | log_debug("Failed to connect to API bus, retrying later..."); | |
863 | return 0; | |
864 | } | |
865 | ||
866 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); | |
867 | if (r < 0) { | |
868 | log_error_errno(r, "Failed to attach API bus to event loop: %m"); | |
869 | return 0; | |
870 | } | |
871 | ||
872 | r = bus_setup_disconnected_match(m, bus); | |
873 | if (r < 0) | |
874 | return 0; | |
875 | } | |
876 | ||
877 | r = bus_setup_api(m, bus); | |
878 | if (r < 0) { | |
879 | log_error_errno(r, "Failed to set up API bus: %m"); | |
880 | return 0; | |
881 | } | |
882 | ||
883 | m->api_bus = bus; | |
884 | bus = NULL; | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
889 | static int bus_setup_system(Manager *m, sd_bus *bus) { | |
890 | int r; | |
891 | ||
892 | assert(m); | |
893 | assert(bus); | |
894 | ||
895 | /* if we are a user instance we get the Released message via the system bus */ | |
896 | if (MANAGER_IS_USER(m)) { | |
897 | r = sd_bus_add_match( | |
898 | bus, | |
899 | NULL, | |
900 | "type='signal'," | |
901 | "interface='org.freedesktop.systemd1.Agent'," | |
902 | "member='Released'," | |
903 | "path='/org/freedesktop/systemd1/agent'", | |
904 | signal_agent_released, m); | |
905 | if (r < 0) | |
906 | log_warning_errno(r, "Failed to register Released match on system bus: %m"); | |
907 | } | |
908 | ||
909 | log_debug("Successfully connected to system bus."); | |
910 | return 0; | |
911 | } | |
912 | ||
913 | static int bus_init_system(Manager *m) { | |
914 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
915 | int r; | |
916 | ||
917 | if (m->system_bus) | |
918 | return 0; | |
919 | ||
920 | /* The API and system bus is the same if we are running in system mode */ | |
921 | if (MANAGER_IS_SYSTEM(m) && m->api_bus) { | |
922 | m->system_bus = sd_bus_ref(m->api_bus); | |
923 | return 0; | |
924 | } | |
925 | ||
926 | r = sd_bus_open_system(&bus); | |
927 | if (r < 0) { | |
928 | log_debug("Failed to connect to system bus, retrying later..."); | |
929 | return 0; | |
930 | } | |
931 | ||
932 | r = bus_setup_disconnected_match(m, bus); | |
933 | if (r < 0) | |
934 | return 0; | |
935 | ||
936 | r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL); | |
937 | if (r < 0) { | |
938 | log_error_errno(r, "Failed to attach system bus to event loop: %m"); | |
939 | return 0; | |
940 | } | |
941 | ||
942 | r = bus_setup_system(m, bus); | |
943 | if (r < 0) { | |
944 | log_error_errno(r, "Failed to set up system bus: %m"); | |
945 | return 0; | |
946 | } | |
947 | ||
948 | m->system_bus = bus; | |
949 | bus = NULL; | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
954 | static int bus_init_private(Manager *m) { | |
955 | _cleanup_close_ int fd = -1; | |
956 | union sockaddr_union sa = { | |
957 | .un.sun_family = AF_UNIX | |
958 | }; | |
959 | sd_event_source *s; | |
960 | socklen_t salen; | |
961 | int r; | |
962 | ||
963 | assert(m); | |
964 | ||
965 | if (m->private_listen_fd >= 0) | |
966 | return 0; | |
967 | ||
968 | if (MANAGER_IS_SYSTEM(m)) { | |
969 | ||
970 | /* We want the private bus only when running as init */ | |
971 | if (getpid_cached() != 1) | |
972 | return 0; | |
973 | ||
974 | strcpy(sa.un.sun_path, "/run/systemd/private"); | |
975 | salen = SOCKADDR_UN_LEN(sa.un); | |
976 | } else { | |
977 | size_t left = sizeof(sa.un.sun_path); | |
978 | char *p = sa.un.sun_path; | |
979 | const char *e; | |
980 | ||
981 | e = secure_getenv("XDG_RUNTIME_DIR"); | |
982 | if (!e) { | |
983 | log_error("Failed to determine XDG_RUNTIME_DIR"); | |
984 | return -EHOSTDOWN; | |
985 | } | |
986 | ||
987 | left = strpcpy(&p, left, e); | |
988 | left = strpcpy(&p, left, "/systemd/private"); | |
989 | ||
990 | salen = sizeof(sa.un) - left; | |
991 | } | |
992 | ||
993 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
994 | (void) unlink(sa.un.sun_path); | |
995 | ||
996 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
997 | if (fd < 0) | |
998 | return log_error_errno(errno, "Failed to allocate private socket: %m"); | |
999 | ||
1000 | r = bind(fd, &sa.sa, salen); | |
1001 | if (r < 0) | |
1002 | return log_error_errno(errno, "Failed to bind private socket: %m"); | |
1003 | ||
1004 | r = listen(fd, SOMAXCONN); | |
1005 | if (r < 0) | |
1006 | return log_error_errno(errno, "Failed to make private socket listening: %m"); | |
1007 | ||
1008 | r = sd_event_add_io(m->event, &s, fd, EPOLLIN, bus_on_connection, m); | |
1009 | if (r < 0) | |
1010 | return log_error_errno(r, "Failed to allocate event source: %m"); | |
1011 | ||
1012 | (void) sd_event_source_set_description(s, "bus-connection"); | |
1013 | ||
1014 | m->private_listen_fd = fd; | |
1015 | m->private_listen_event_source = s; | |
1016 | fd = -1; | |
1017 | ||
1018 | log_debug("Successfully created private D-Bus server."); | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | int bus_init(Manager *m, bool try_bus_connect) { | |
1024 | int r; | |
1025 | ||
1026 | if (try_bus_connect) { | |
1027 | r = bus_init_system(m); | |
1028 | if (r < 0) | |
1029 | return r; | |
1030 | ||
1031 | r = bus_init_api(m); | |
1032 | if (r < 0) | |
1033 | return r; | |
1034 | } | |
1035 | ||
1036 | r = bus_init_private(m); | |
1037 | if (r < 0) | |
1038 | return r; | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static void destroy_bus(Manager *m, sd_bus **bus) { | |
1044 | Iterator i; | |
1045 | Unit *u; | |
1046 | Job *j; | |
1047 | ||
1048 | assert(m); | |
1049 | assert(bus); | |
1050 | ||
1051 | if (!*bus) | |
1052 | return; | |
1053 | ||
1054 | /* Make sure all bus slots watching names are released. */ | |
1055 | HASHMAP_FOREACH(u, m->watch_bus, i) { | |
1056 | if (!u->match_bus_slot) | |
1057 | continue; | |
1058 | ||
1059 | if (sd_bus_slot_get_bus(u->match_bus_slot) != *bus) | |
1060 | continue; | |
1061 | ||
1062 | u->match_bus_slot = sd_bus_slot_unref(u->match_bus_slot); | |
1063 | } | |
1064 | ||
1065 | /* Get rid of tracked clients on this bus */ | |
1066 | if (m->subscribed && sd_bus_track_get_bus(m->subscribed) == *bus) | |
1067 | m->subscribed = sd_bus_track_unref(m->subscribed); | |
1068 | ||
1069 | HASHMAP_FOREACH(j, m->jobs, i) | |
1070 | if (j->bus_track && sd_bus_track_get_bus(j->bus_track) == *bus) | |
1071 | j->bus_track = sd_bus_track_unref(j->bus_track); | |
1072 | ||
1073 | /* Get rid of queued message on this bus */ | |
1074 | if (m->queued_message && sd_bus_message_get_bus(m->queued_message) == *bus) | |
1075 | m->queued_message = sd_bus_message_unref(m->queued_message); | |
1076 | ||
1077 | /* Possibly flush unwritten data, but only if we are | |
1078 | * unprivileged, since we don't want to sync here */ | |
1079 | if (!MANAGER_IS_SYSTEM(m)) | |
1080 | sd_bus_flush(*bus); | |
1081 | ||
1082 | /* And destroy the object */ | |
1083 | sd_bus_close(*bus); | |
1084 | *bus = sd_bus_unref(*bus); | |
1085 | } | |
1086 | ||
1087 | void bus_done(Manager *m) { | |
1088 | sd_bus *b; | |
1089 | ||
1090 | assert(m); | |
1091 | ||
1092 | if (m->api_bus) | |
1093 | destroy_bus(m, &m->api_bus); | |
1094 | if (m->system_bus) | |
1095 | destroy_bus(m, &m->system_bus); | |
1096 | while ((b = set_steal_first(m->private_buses))) | |
1097 | destroy_bus(m, &b); | |
1098 | ||
1099 | m->private_buses = set_free(m->private_buses); | |
1100 | ||
1101 | m->subscribed = sd_bus_track_unref(m->subscribed); | |
1102 | m->deserialized_subscribed = strv_free(m->deserialized_subscribed); | |
1103 | ||
1104 | if (m->private_listen_event_source) | |
1105 | m->private_listen_event_source = sd_event_source_unref(m->private_listen_event_source); | |
1106 | ||
1107 | m->private_listen_fd = safe_close(m->private_listen_fd); | |
1108 | ||
1109 | bus_verify_polkit_async_registry_free(m->polkit_registry); | |
1110 | } | |
1111 | ||
1112 | int bus_fdset_add_all(Manager *m, FDSet *fds) { | |
1113 | Iterator i; | |
1114 | sd_bus *b; | |
1115 | int fd; | |
1116 | ||
1117 | assert(m); | |
1118 | assert(fds); | |
1119 | ||
1120 | /* When we are about to reexecute we add all D-Bus fds to the | |
1121 | * set to pass over to the newly executed systemd. They won't | |
1122 | * be used there however, except thatt they are closed at the | |
1123 | * very end of deserialization, those making it possible for | |
1124 | * clients to synchronously wait for systemd to reexec by | |
1125 | * simply waiting for disconnection */ | |
1126 | ||
1127 | if (m->api_bus) { | |
1128 | fd = sd_bus_get_fd(m->api_bus); | |
1129 | if (fd >= 0) { | |
1130 | fd = fdset_put_dup(fds, fd); | |
1131 | if (fd < 0) | |
1132 | return fd; | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | SET_FOREACH(b, m->private_buses, i) { | |
1137 | fd = sd_bus_get_fd(b); | |
1138 | if (fd >= 0) { | |
1139 | fd = fdset_put_dup(fds, fd); | |
1140 | if (fd < 0) | |
1141 | return fd; | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | /* We don't offer any APIs on the system bus (well, unless it | |
1146 | * is the same as the API bus) hence we don't bother with it | |
1147 | * here */ | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | int bus_foreach_bus( | |
1153 | Manager *m, | |
1154 | sd_bus_track *subscribed2, | |
1155 | int (*send_message)(sd_bus *bus, void *userdata), | |
1156 | void *userdata) { | |
1157 | ||
1158 | Iterator i; | |
1159 | sd_bus *b; | |
1160 | int r, ret = 0; | |
1161 | ||
1162 | /* Send to all direct buses, unconditionally */ | |
1163 | SET_FOREACH(b, m->private_buses, i) { | |
1164 | r = send_message(b, userdata); | |
1165 | if (r < 0) | |
1166 | ret = r; | |
1167 | } | |
1168 | ||
1169 | /* Send to API bus, but only if somebody is subscribed */ | |
1170 | if (sd_bus_track_count(m->subscribed) > 0 || | |
1171 | sd_bus_track_count(subscribed2) > 0) { | |
1172 | r = send_message(m->api_bus, userdata); | |
1173 | if (r < 0) | |
1174 | ret = r; | |
1175 | } | |
1176 | ||
1177 | return ret; | |
1178 | } | |
1179 | ||
1180 | void bus_track_serialize(sd_bus_track *t, FILE *f, const char *prefix) { | |
1181 | const char *n; | |
1182 | ||
1183 | assert(f); | |
1184 | assert(prefix); | |
1185 | ||
1186 | for (n = sd_bus_track_first(t); n; n = sd_bus_track_next(t)) { | |
1187 | int c, j; | |
1188 | ||
1189 | c = sd_bus_track_count_name(t, n); | |
1190 | ||
1191 | for (j = 0; j < c; j++) { | |
1192 | fputs(prefix, f); | |
1193 | fputc('=', f); | |
1194 | fputs(n, f); | |
1195 | fputc('\n', f); | |
1196 | } | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | int bus_track_coldplug(Manager *m, sd_bus_track **t, bool recursive, char **l) { | |
1201 | int r = 0; | |
1202 | ||
1203 | assert(m); | |
1204 | assert(t); | |
1205 | ||
1206 | if (strv_isempty(l)) | |
1207 | return 0; | |
1208 | ||
1209 | if (!m->api_bus) | |
1210 | return 0; | |
1211 | ||
1212 | if (!*t) { | |
1213 | r = sd_bus_track_new(m->api_bus, t, NULL, NULL); | |
1214 | if (r < 0) | |
1215 | return r; | |
1216 | } | |
1217 | ||
1218 | r = sd_bus_track_set_recursive(*t, recursive); | |
1219 | if (r < 0) | |
1220 | return r; | |
1221 | ||
1222 | return bus_track_add_name_many(*t, l); | |
1223 | } | |
1224 | ||
1225 | int bus_verify_manage_units_async(Manager *m, sd_bus_message *call, sd_bus_error *error) { | |
1226 | return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-units", NULL, false, UID_INVALID, &m->polkit_registry, error); | |
1227 | } | |
1228 | ||
1229 | int bus_verify_manage_unit_files_async(Manager *m, sd_bus_message *call, sd_bus_error *error) { | |
1230 | return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-unit-files", NULL, false, UID_INVALID, &m->polkit_registry, error); | |
1231 | } | |
1232 | ||
1233 | int bus_verify_reload_daemon_async(Manager *m, sd_bus_message *call, sd_bus_error *error) { | |
1234 | return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.reload-daemon", NULL, false, UID_INVALID, &m->polkit_registry, error); | |
1235 | } | |
1236 | ||
1237 | int bus_verify_set_environment_async(Manager *m, sd_bus_message *call, sd_bus_error *error) { | |
1238 | return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.set-environment", NULL, false, UID_INVALID, &m->polkit_registry, error); | |
1239 | } |