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40ca29a1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
0c842e0a TG |
22 | #include <sys/socket.h> |
23 | ||
ebd011d9 LP |
24 | #include "sd-daemon.h" |
25 | #include "sd-event.h" | |
40ca29a1 | 26 | #include "util.h" |
ffc06c35 | 27 | #include "strv.h" |
40ca29a1 LP |
28 | #include "macro.h" |
29 | #include "def.h" | |
df31a6c0 | 30 | #include "path-util.h" |
2bba9a57 | 31 | #include "missing.h" |
ebd011d9 | 32 | #include "set.h" |
40ca29a1 | 33 | |
ffc06c35 KS |
34 | #include "sd-bus.h" |
35 | #include "bus-error.h" | |
36 | #include "bus-message.h" | |
40ca29a1 | 37 | #include "bus-util.h" |
ebcf1f97 | 38 | #include "bus-internal.h" |
40ca29a1 | 39 | |
6203e07a | 40 | static int name_owner_change_callback(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { |
40ca29a1 LP |
41 | sd_event *e = userdata; |
42 | ||
43 | assert(bus); | |
44 | assert(m); | |
45 | assert(e); | |
46 | ||
b27adf35 | 47 | sd_bus_close(bus); |
6203e07a | 48 | sd_event_exit(e, 0); |
b27adf35 | 49 | |
40ca29a1 LP |
50 | return 1; |
51 | } | |
52 | ||
6203e07a | 53 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name) { |
40ca29a1 | 54 | _cleanup_free_ char *match = NULL; |
11846aa7 | 55 | const char *unique; |
40ca29a1 LP |
56 | int r; |
57 | ||
58 | assert(e); | |
59 | assert(bus); | |
60 | assert(name); | |
61 | ||
6203e07a LP |
62 | /* We unregister the name here and then wait for the |
63 | * NameOwnerChanged signal for this event to arrive before we | |
64 | * quit. We do this in order to make sure that any queued | |
65 | * requests are still processed before we really exit. */ | |
66 | ||
11846aa7 | 67 | r = sd_bus_get_unique_name(bus, &unique); |
40ca29a1 LP |
68 | if (r < 0) |
69 | return r; | |
70 | ||
11846aa7 LP |
71 | r = asprintf(&match, |
72 | "sender='org.freedesktop.DBus'," | |
73 | "type='signal'," | |
74 | "interface='org.freedesktop.DBus'," | |
75 | "member='NameOwnerChanged'," | |
76 | "path='/org/freedesktop/DBus'," | |
77 | "arg0='%s'," | |
78 | "arg1='%s'," | |
79 | "arg2=''", name, unique); | |
80 | if (r < 0) | |
81 | return -ENOMEM; | |
82 | ||
19befb2d | 83 | r = sd_bus_add_match(bus, NULL, match, name_owner_change_callback, e); |
40ca29a1 LP |
84 | if (r < 0) |
85 | return r; | |
86 | ||
87 | r = sd_bus_release_name(bus, name); | |
88 | if (r < 0) | |
89 | return r; | |
90 | ||
40ca29a1 LP |
91 | return 0; |
92 | } | |
93 | ||
37224a5f LP |
94 | int bus_event_loop_with_idle( |
95 | sd_event *e, | |
96 | sd_bus *bus, | |
97 | const char *name, | |
98 | usec_t timeout, | |
99 | check_idle_t check_idle, | |
100 | void *userdata) { | |
40ca29a1 | 101 | bool exiting = false; |
6203e07a | 102 | int r, code; |
40ca29a1 LP |
103 | |
104 | assert(e); | |
105 | assert(bus); | |
106 | assert(name); | |
107 | ||
108 | for (;;) { | |
37224a5f LP |
109 | bool idle; |
110 | ||
40ca29a1 LP |
111 | r = sd_event_get_state(e); |
112 | if (r < 0) | |
113 | return r; | |
40ca29a1 LP |
114 | if (r == SD_EVENT_FINISHED) |
115 | break; | |
116 | ||
37224a5f LP |
117 | if (check_idle) |
118 | idle = check_idle(userdata); | |
119 | else | |
120 | idle = true; | |
121 | ||
122 | r = sd_event_run(e, exiting || !idle ? (uint64_t) -1 : timeout); | |
40ca29a1 LP |
123 | if (r < 0) |
124 | return r; | |
125 | ||
126 | if (r == 0 && !exiting) { | |
b27adf35 LP |
127 | |
128 | r = sd_bus_try_close(bus); | |
129 | if (r == -EBUSY) | |
130 | continue; | |
131 | ||
430e21c2 LP |
132 | /* Fallback for dbus1 connections: we |
133 | * unregister the name and wait for the | |
134 | * response to come through for it */ | |
b27adf35 | 135 | if (r == -ENOTSUP) { |
430e21c2 LP |
136 | |
137 | /* Inform the service manager that we | |
138 | * are going down, so that it will | |
139 | * queue all further start requests, | |
140 | * instead of assuming we are already | |
141 | * running. */ | |
142 | sd_notify(false, "STOPPING=1"); | |
b27adf35 LP |
143 | |
144 | r = bus_async_unregister_and_exit(e, bus, name); | |
145 | if (r < 0) | |
146 | return r; | |
147 | ||
148 | exiting = true; | |
149 | continue; | |
150 | } | |
151 | ||
40ca29a1 LP |
152 | if (r < 0) |
153 | return r; | |
154 | ||
b27adf35 LP |
155 | sd_event_exit(e, 0); |
156 | break; | |
40ca29a1 LP |
157 | } |
158 | } | |
159 | ||
6203e07a LP |
160 | r = sd_event_get_exit_code(e, &code); |
161 | if (r < 0) | |
162 | return r; | |
163 | ||
164 | return code; | |
40ca29a1 LP |
165 | } |
166 | ||
5fd38859 DH |
167 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error) { |
168 | _cleanup_bus_message_unref_ sd_bus_message *rep = NULL; | |
169 | int r, has_owner = 0; | |
170 | ||
171 | assert(c); | |
172 | assert(name); | |
173 | ||
174 | r = sd_bus_call_method(c, | |
175 | "org.freedesktop.DBus", | |
176 | "/org/freedesktop/dbus", | |
177 | "org.freedesktop.DBus", | |
178 | "NameHasOwner", | |
179 | error, | |
180 | &rep, | |
181 | "s", | |
182 | name); | |
183 | if (r < 0) | |
184 | return r; | |
185 | ||
186 | r = sd_bus_message_read_basic(rep, 'b', &has_owner); | |
187 | if (r < 0) | |
188 | return sd_bus_error_set_errno(error, r); | |
189 | ||
190 | return has_owner; | |
191 | } | |
192 | ||
40ca29a1 | 193 | int bus_verify_polkit( |
f3885791 | 194 | sd_bus_message *call, |
def9a7aa | 195 | int capability, |
40ca29a1 LP |
196 | const char *action, |
197 | bool interactive, | |
198 | bool *_challenge, | |
199 | sd_bus_error *e) { | |
200 | ||
40ca29a1 LP |
201 | int r; |
202 | ||
f3885791 | 203 | assert(call); |
40ca29a1 LP |
204 | assert(action); |
205 | ||
f3885791 | 206 | r = sd_bus_query_sender_privilege(call, capability); |
5b12334d LP |
207 | if (r < 0) |
208 | return r; | |
f3885791 | 209 | else if (r > 0) |
40ca29a1 | 210 | return 1; |
40ca29a1 LP |
211 | #ifdef ENABLE_POLKIT |
212 | else { | |
213 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
b911eb15 | 214 | int authorized = false, challenge = false, c; |
5b12334d LP |
215 | const char *sender; |
216 | ||
f3885791 | 217 | sender = sd_bus_message_get_sender(call); |
5b12334d LP |
218 | if (!sender) |
219 | return -EBADMSG; | |
40ca29a1 | 220 | |
b911eb15 LP |
221 | c = sd_bus_message_get_allow_interactive_authorization(call); |
222 | if (c < 0) | |
223 | return c; | |
224 | if (c > 0) | |
225 | interactive = true; | |
226 | ||
40ca29a1 | 227 | r = sd_bus_call_method( |
f3885791 | 228 | call->bus, |
40ca29a1 LP |
229 | "org.freedesktop.PolicyKit1", |
230 | "/org/freedesktop/PolicyKit1/Authority", | |
231 | "org.freedesktop.PolicyKit1.Authority", | |
232 | "CheckAuthorization", | |
233 | e, | |
234 | &reply, | |
235 | "(sa{sv})sa{ss}us", | |
236 | "system-bus-name", 1, "name", "s", sender, | |
237 | action, | |
238 | 0, | |
b911eb15 | 239 | !!interactive, |
40ca29a1 LP |
240 | ""); |
241 | ||
242 | if (r < 0) { | |
243 | /* Treat no PK available as access denied */ | |
244 | if (sd_bus_error_has_name(e, SD_BUS_ERROR_SERVICE_UNKNOWN)) { | |
245 | sd_bus_error_free(e); | |
246 | return -EACCES; | |
247 | } | |
248 | ||
249 | return r; | |
250 | } | |
251 | ||
313333b4 | 252 | r = sd_bus_message_enter_container(reply, 'r', "bba{ss}"); |
2b49a470 TA |
253 | if (r < 0) |
254 | return r; | |
255 | ||
256 | r = sd_bus_message_read(reply, "bb", &authorized, &challenge); | |
257 | if (r < 0) | |
258 | return r; | |
40ca29a1 LP |
259 | |
260 | if (authorized) | |
261 | return 1; | |
262 | ||
263 | if (_challenge) { | |
264 | *_challenge = challenge; | |
265 | return 0; | |
266 | } | |
267 | } | |
268 | #endif | |
269 | ||
270 | return -EACCES; | |
271 | } | |
272 | ||
273 | #ifdef ENABLE_POLKIT | |
274 | ||
275 | typedef struct AsyncPolkitQuery { | |
276 | sd_bus_message *request, *reply; | |
277 | sd_bus_message_handler_t callback; | |
278 | void *userdata; | |
19befb2d | 279 | sd_bus_slot *slot; |
ebcf1f97 | 280 | Hashmap *registry; |
40ca29a1 LP |
281 | } AsyncPolkitQuery; |
282 | ||
19befb2d | 283 | static void async_polkit_query_free(AsyncPolkitQuery *q) { |
ebcf1f97 LP |
284 | |
285 | if (!q) | |
286 | return; | |
287 | ||
19befb2d | 288 | sd_bus_slot_unref(q->slot); |
ebcf1f97 LP |
289 | |
290 | if (q->registry && q->request) | |
291 | hashmap_remove(q->registry, q->request); | |
292 | ||
293 | sd_bus_message_unref(q->request); | |
294 | sd_bus_message_unref(q->reply); | |
295 | ||
296 | free(q); | |
297 | } | |
298 | ||
299 | static int async_polkit_callback(sd_bus *bus, sd_bus_message *reply, void *userdata, sd_bus_error *error) { | |
300 | _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL; | |
ebcf1f97 | 301 | AsyncPolkitQuery *q = userdata; |
40ca29a1 LP |
302 | int r; |
303 | ||
304 | assert(bus); | |
305 | assert(reply); | |
306 | assert(q); | |
307 | ||
19befb2d | 308 | q->slot = sd_bus_slot_unref(q->slot); |
40ca29a1 | 309 | q->reply = sd_bus_message_ref(reply); |
40ca29a1 | 310 | |
ebcf1f97 LP |
311 | r = sd_bus_message_rewind(q->request, true); |
312 | if (r < 0) { | |
313 | r = sd_bus_reply_method_errno(q->request, r, NULL); | |
314 | goto finish; | |
315 | } | |
40ca29a1 | 316 | |
ebcf1f97 LP |
317 | r = q->callback(bus, q->request, q->userdata, &error_buffer); |
318 | r = bus_maybe_reply_error(q->request, r, &error_buffer); | |
40ca29a1 | 319 | |
ebcf1f97 | 320 | finish: |
19befb2d LP |
321 | async_polkit_query_free(q); |
322 | ||
ebcf1f97 | 323 | return r; |
40ca29a1 LP |
324 | } |
325 | ||
326 | #endif | |
327 | ||
328 | int bus_verify_polkit_async( | |
f3885791 | 329 | sd_bus_message *call, |
def9a7aa | 330 | int capability, |
40ca29a1 LP |
331 | const char *action, |
332 | bool interactive, | |
f3885791 LP |
333 | Hashmap **registry, |
334 | sd_bus_error *error) { | |
40ca29a1 LP |
335 | |
336 | #ifdef ENABLE_POLKIT | |
337 | _cleanup_bus_message_unref_ sd_bus_message *pk = NULL; | |
338 | AsyncPolkitQuery *q; | |
40ca29a1 | 339 | const char *sender; |
f3885791 LP |
340 | sd_bus_message_handler_t callback; |
341 | void *userdata; | |
b911eb15 | 342 | int c; |
5b12334d | 343 | #endif |
40ca29a1 LP |
344 | int r; |
345 | ||
f3885791 | 346 | assert(call); |
40ca29a1 | 347 | assert(action); |
f3885791 | 348 | assert(registry); |
40ca29a1 LP |
349 | |
350 | #ifdef ENABLE_POLKIT | |
f3885791 | 351 | q = hashmap_get(*registry, call); |
40ca29a1 | 352 | if (q) { |
102d8f81 | 353 | int authorized, challenge; |
40ca29a1 LP |
354 | |
355 | /* This is the second invocation of this function, and | |
356 | * there's already a response from polkit, let's | |
357 | * process it */ | |
358 | assert(q->reply); | |
359 | ||
360 | if (sd_bus_message_is_method_error(q->reply, NULL)) { | |
361 | const sd_bus_error *e; | |
362 | ||
ebcf1f97 | 363 | /* Copy error from polkit reply */ |
40ca29a1 LP |
364 | e = sd_bus_message_get_error(q->reply); |
365 | sd_bus_error_copy(error, e); | |
40ca29a1 | 366 | |
ebcf1f97 LP |
367 | /* Treat no PK available as access denied */ |
368 | if (sd_bus_error_has_name(e, SD_BUS_ERROR_SERVICE_UNKNOWN)) | |
369 | return -EACCES; | |
370 | ||
5958d089 | 371 | return -sd_bus_error_get_errno(e); |
40ca29a1 LP |
372 | } |
373 | ||
374 | r = sd_bus_message_enter_container(q->reply, 'r', "bba{ss}"); | |
375 | if (r >= 0) | |
376 | r = sd_bus_message_read(q->reply, "bb", &authorized, &challenge); | |
377 | ||
40ca29a1 LP |
378 | if (r < 0) |
379 | return r; | |
380 | ||
381 | if (authorized) | |
382 | return 1; | |
383 | ||
f2288cc6 LP |
384 | if (challenge) |
385 | return sd_bus_error_set(error, SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED, "Interactive authentication required."); | |
386 | ||
40ca29a1 LP |
387 | return -EACCES; |
388 | } | |
389 | #endif | |
390 | ||
f3885791 | 391 | r = sd_bus_query_sender_privilege(call, capability); |
5b12334d LP |
392 | if (r < 0) |
393 | return r; | |
f3885791 | 394 | else if (r > 0) |
40ca29a1 | 395 | return 1; |
5b12334d | 396 | |
40ca29a1 | 397 | #ifdef ENABLE_POLKIT |
f3885791 LP |
398 | if (sd_bus_get_current_message(call->bus) != call) |
399 | return -EINVAL; | |
400 | ||
401 | callback = sd_bus_get_current_handler(call->bus); | |
402 | if (!callback) | |
403 | return -EINVAL; | |
404 | ||
405 | userdata = sd_bus_get_current_userdata(call->bus); | |
406 | ||
407 | sender = sd_bus_message_get_sender(call); | |
5b12334d LP |
408 | if (!sender) |
409 | return -EBADMSG; | |
40ca29a1 | 410 | |
b911eb15 LP |
411 | c = sd_bus_message_get_allow_interactive_authorization(call); |
412 | if (c < 0) | |
413 | return c; | |
414 | if (c > 0) | |
415 | interactive = true; | |
416 | ||
d5099efc | 417 | r = hashmap_ensure_allocated(registry, NULL); |
40ca29a1 LP |
418 | if (r < 0) |
419 | return r; | |
420 | ||
421 | r = sd_bus_message_new_method_call( | |
f3885791 | 422 | call->bus, |
151b9b96 | 423 | &pk, |
40ca29a1 LP |
424 | "org.freedesktop.PolicyKit1", |
425 | "/org/freedesktop/PolicyKit1/Authority", | |
426 | "org.freedesktop.PolicyKit1.Authority", | |
151b9b96 | 427 | "CheckAuthorization"); |
40ca29a1 LP |
428 | if (r < 0) |
429 | return r; | |
430 | ||
431 | r = sd_bus_message_append( | |
432 | pk, | |
433 | "(sa{sv})sa{ss}us", | |
434 | "system-bus-name", 1, "name", "s", sender, | |
435 | action, | |
436 | 0, | |
b911eb15 | 437 | !!interactive, |
ebcf1f97 | 438 | NULL); |
40ca29a1 LP |
439 | if (r < 0) |
440 | return r; | |
441 | ||
442 | q = new0(AsyncPolkitQuery, 1); | |
443 | if (!q) | |
444 | return -ENOMEM; | |
445 | ||
f3885791 | 446 | q->request = sd_bus_message_ref(call); |
40ca29a1 LP |
447 | q->callback = callback; |
448 | q->userdata = userdata; | |
449 | ||
f3885791 | 450 | r = hashmap_put(*registry, call, q); |
40ca29a1 | 451 | if (r < 0) { |
19befb2d | 452 | async_polkit_query_free(q); |
40ca29a1 LP |
453 | return r; |
454 | } | |
455 | ||
ebcf1f97 LP |
456 | q->registry = *registry; |
457 | ||
f3885791 | 458 | r = sd_bus_call_async(call->bus, &q->slot, pk, async_polkit_callback, q, 0); |
ebcf1f97 | 459 | if (r < 0) { |
19befb2d | 460 | async_polkit_query_free(q); |
40ca29a1 | 461 | return r; |
ebcf1f97 | 462 | } |
40ca29a1 LP |
463 | |
464 | return 0; | |
465 | #endif | |
466 | ||
467 | return -EACCES; | |
468 | } | |
469 | ||
36e34057 | 470 | void bus_verify_polkit_async_registry_free(Hashmap *registry) { |
40ca29a1 LP |
471 | #ifdef ENABLE_POLKIT |
472 | AsyncPolkitQuery *q; | |
473 | ||
474 | while ((q = hashmap_steal_first(registry))) | |
19befb2d | 475 | async_polkit_query_free(q); |
40ca29a1 LP |
476 | |
477 | hashmap_free(registry); | |
478 | #endif | |
479 | } | |
0c842e0a | 480 | |
718db961 | 481 | int bus_check_peercred(sd_bus *c) { |
0c842e0a TG |
482 | struct ucred ucred; |
483 | socklen_t l; | |
0f8bd8de | 484 | int fd; |
0c842e0a TG |
485 | |
486 | assert(c); | |
487 | ||
488 | fd = sd_bus_get_fd(c); | |
0f8bd8de LP |
489 | if (fd < 0) |
490 | return fd; | |
0c842e0a TG |
491 | |
492 | l = sizeof(struct ucred); | |
0f8bd8de | 493 | if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0) |
0c842e0a | 494 | return -errno; |
0c842e0a | 495 | |
0f8bd8de | 496 | if (l != sizeof(struct ucred)) |
0c842e0a | 497 | return -E2BIG; |
0c842e0a TG |
498 | |
499 | if (ucred.uid != 0 && ucred.uid != geteuid()) | |
500 | return -EPERM; | |
501 | ||
502 | return 1; | |
503 | } | |
504 | ||
0f8bd8de LP |
505 | int bus_open_system_systemd(sd_bus **_bus) { |
506 | _cleanup_bus_unref_ sd_bus *bus = NULL; | |
0c842e0a | 507 | int r; |
0c842e0a TG |
508 | |
509 | assert(_bus); | |
510 | ||
0f8bd8de LP |
511 | if (geteuid() != 0) |
512 | return sd_bus_open_system(_bus); | |
a1da8583 | 513 | |
a6aa8912 LP |
514 | /* If we are root and kdbus is not available, then let's talk |
515 | * directly to the system instance, instead of going via the | |
516 | * bus */ | |
a1da8583 | 517 | |
a6aa8912 | 518 | #ifdef ENABLE_KDBUS |
0f8bd8de LP |
519 | r = sd_bus_new(&bus); |
520 | if (r < 0) | |
521 | return r; | |
a1da8583 | 522 | |
e3afaf6b | 523 | r = sd_bus_set_address(bus, KERNEL_SYSTEM_BUS_ADDRESS); |
0f8bd8de LP |
524 | if (r < 0) |
525 | return r; | |
a1da8583 | 526 | |
a6aa8912 LP |
527 | bus->bus_client = true; |
528 | ||
0f8bd8de | 529 | r = sd_bus_start(bus); |
a6aa8912 LP |
530 | if (r >= 0) { |
531 | *_bus = bus; | |
532 | bus = NULL; | |
533 | return 0; | |
534 | } | |
535 | ||
536 | bus = sd_bus_unref(bus); | |
537 | #endif | |
538 | ||
539 | r = sd_bus_new(&bus); | |
0f8bd8de LP |
540 | if (r < 0) |
541 | return r; | |
a1da8583 | 542 | |
a6aa8912 LP |
543 | r = sd_bus_set_address(bus, "unix:path=/run/systemd/private"); |
544 | if (r < 0) | |
545 | return r; | |
546 | ||
547 | r = sd_bus_start(bus); | |
548 | if (r < 0) | |
549 | return sd_bus_open_system(_bus); | |
550 | ||
0f8bd8de | 551 | r = bus_check_peercred(bus); |
a1da8583 TG |
552 | if (r < 0) |
553 | return r; | |
554 | ||
555 | *_bus = bus; | |
0f8bd8de LP |
556 | bus = NULL; |
557 | ||
a1da8583 TG |
558 | return 0; |
559 | } | |
560 | ||
41dd15e4 LP |
561 | int bus_open_user_systemd(sd_bus **_bus) { |
562 | _cleanup_bus_unref_ sd_bus *bus = NULL; | |
a6aa8912 | 563 | _cleanup_free_ char *ee = NULL; |
41dd15e4 LP |
564 | const char *e; |
565 | int r; | |
566 | ||
a6aa8912 | 567 | /* Try via kdbus first, and then directly */ |
41dd15e4 LP |
568 | |
569 | assert(_bus); | |
570 | ||
a6aa8912 LP |
571 | #ifdef ENABLE_KDBUS |
572 | r = sd_bus_new(&bus); | |
573 | if (r < 0) | |
574 | return r; | |
575 | ||
e3afaf6b | 576 | if (asprintf(&bus->address, KERNEL_USER_BUS_ADDRESS_FMT, getuid()) < 0) |
a6aa8912 LP |
577 | return -ENOMEM; |
578 | ||
579 | bus->bus_client = true; | |
580 | ||
581 | r = sd_bus_start(bus); | |
582 | if (r >= 0) { | |
583 | *_bus = bus; | |
584 | bus = NULL; | |
585 | return 0; | |
586 | } | |
587 | ||
588 | bus = sd_bus_unref(bus); | |
589 | #endif | |
590 | ||
41dd15e4 | 591 | e = secure_getenv("XDG_RUNTIME_DIR"); |
537220d9 | 592 | if (!e) |
3f78871b | 593 | return sd_bus_open_user(_bus); |
537220d9 | 594 | |
a6aa8912 LP |
595 | ee = bus_address_escape(e); |
596 | if (!ee) | |
537220d9 | 597 | return -ENOMEM; |
41dd15e4 LP |
598 | |
599 | r = sd_bus_new(&bus); | |
600 | if (r < 0) | |
601 | return r; | |
602 | ||
a6aa8912 LP |
603 | bus->address = strjoin("unix:path=", ee, "/systemd/private", NULL); |
604 | if (!bus->address) | |
605 | return -ENOMEM; | |
41dd15e4 LP |
606 | |
607 | r = sd_bus_start(bus); | |
608 | if (r < 0) | |
3f78871b | 609 | return sd_bus_open_user(_bus); |
41dd15e4 LP |
610 | |
611 | r = bus_check_peercred(bus); | |
612 | if (r < 0) | |
613 | return r; | |
614 | ||
615 | *_bus = bus; | |
616 | bus = NULL; | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
9f6eb1cd | 621 | int bus_print_property(const char *name, sd_bus_message *property, bool all) { |
a1da8583 TG |
622 | char type; |
623 | const char *contents; | |
9f6eb1cd | 624 | int r; |
a1da8583 TG |
625 | |
626 | assert(name); | |
627 | assert(property); | |
628 | ||
9f6eb1cd KS |
629 | r = sd_bus_message_peek_type(property, &type, &contents); |
630 | if (r < 0) | |
631 | return r; | |
a1da8583 TG |
632 | |
633 | switch (type) { | |
634 | ||
635 | case SD_BUS_TYPE_STRING: { | |
636 | const char *s; | |
9f6eb1cd KS |
637 | |
638 | r = sd_bus_message_read_basic(property, type, &s); | |
639 | if (r < 0) | |
640 | return r; | |
a1da8583 | 641 | |
27e9c5af LP |
642 | if (all || !isempty(s)) { |
643 | _cleanup_free_ char *escaped = NULL; | |
644 | ||
645 | escaped = xescape(s, "\n"); | |
646 | if (!escaped) | |
647 | return -ENOMEM; | |
648 | ||
649 | printf("%s=%s\n", name, escaped); | |
650 | } | |
a1da8583 TG |
651 | |
652 | return 1; | |
653 | } | |
654 | ||
655 | case SD_BUS_TYPE_BOOLEAN: { | |
c2fa048c | 656 | int b; |
a1da8583 | 657 | |
9f6eb1cd KS |
658 | r = sd_bus_message_read_basic(property, type, &b); |
659 | if (r < 0) | |
660 | return r; | |
661 | ||
a1da8583 TG |
662 | printf("%s=%s\n", name, yes_no(b)); |
663 | ||
664 | return 1; | |
665 | } | |
666 | ||
667 | case SD_BUS_TYPE_UINT64: { | |
668 | uint64_t u; | |
669 | ||
9f6eb1cd KS |
670 | r = sd_bus_message_read_basic(property, type, &u); |
671 | if (r < 0) | |
672 | return r; | |
a1da8583 TG |
673 | |
674 | /* Yes, heuristics! But we can change this check | |
675 | * should it turn out to not be sufficient */ | |
676 | ||
677 | if (endswith(name, "Timestamp")) { | |
678 | char timestamp[FORMAT_TIMESTAMP_MAX], *t; | |
679 | ||
680 | t = format_timestamp(timestamp, sizeof(timestamp), u); | |
681 | if (t || all) | |
682 | printf("%s=%s\n", name, strempty(t)); | |
683 | ||
684 | } else if (strstr(name, "USec")) { | |
685 | char timespan[FORMAT_TIMESPAN_MAX]; | |
686 | ||
687 | printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0)); | |
688 | } else | |
689 | printf("%s=%llu\n", name, (unsigned long long) u); | |
690 | ||
691 | return 1; | |
692 | } | |
693 | ||
694 | case SD_BUS_TYPE_UINT32: { | |
695 | uint32_t u; | |
696 | ||
9f6eb1cd KS |
697 | r = sd_bus_message_read_basic(property, type, &u); |
698 | if (r < 0) | |
699 | return r; | |
a1da8583 TG |
700 | |
701 | if (strstr(name, "UMask") || strstr(name, "Mode")) | |
702 | printf("%s=%04o\n", name, u); | |
703 | else | |
704 | printf("%s=%u\n", name, (unsigned) u); | |
705 | ||
706 | return 1; | |
707 | } | |
708 | ||
709 | case SD_BUS_TYPE_INT32: { | |
710 | int32_t i; | |
711 | ||
9f6eb1cd KS |
712 | r = sd_bus_message_read_basic(property, type, &i); |
713 | if (r < 0) | |
714 | return r; | |
a1da8583 TG |
715 | |
716 | printf("%s=%i\n", name, (int) i); | |
717 | return 1; | |
718 | } | |
719 | ||
720 | case SD_BUS_TYPE_DOUBLE: { | |
721 | double d; | |
722 | ||
9f6eb1cd KS |
723 | r = sd_bus_message_read_basic(property, type, &d); |
724 | if (r < 0) | |
725 | return r; | |
a1da8583 TG |
726 | |
727 | printf("%s=%g\n", name, d); | |
728 | return 1; | |
729 | } | |
730 | ||
731 | case SD_BUS_TYPE_ARRAY: | |
a1da8583 | 732 | if (streq(contents, "s")) { |
261afec5 MAP |
733 | bool first = true; |
734 | const char *str; | |
a1da8583 | 735 | |
9f6eb1cd KS |
736 | r = sd_bus_message_enter_container(property, SD_BUS_TYPE_ARRAY, contents); |
737 | if (r < 0) | |
738 | return r; | |
739 | ||
261afec5 | 740 | while((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) { |
27e9c5af LP |
741 | _cleanup_free_ char *escaped = NULL; |
742 | ||
261afec5 MAP |
743 | if (first) |
744 | printf("%s=", name); | |
745 | ||
27e9c5af LP |
746 | escaped = xescape(str, "\n "); |
747 | if (!escaped) | |
748 | return -ENOMEM; | |
749 | ||
750 | printf("%s%s", first ? "" : " ", escaped); | |
261afec5 MAP |
751 | |
752 | first = false; | |
753 | } | |
9f6eb1cd KS |
754 | if (r < 0) |
755 | return r; | |
a1da8583 | 756 | |
261afec5 | 757 | if (first && all) |
a1da8583 | 758 | printf("%s=", name); |
261afec5 | 759 | if (!first || all) |
a1da8583 | 760 | puts(""); |
a1da8583 | 761 | |
9f6eb1cd KS |
762 | r = sd_bus_message_exit_container(property); |
763 | if (r < 0) | |
764 | return r; | |
a1da8583 TG |
765 | |
766 | return 1; | |
767 | ||
768 | } else if (streq(contents, "y")) { | |
769 | const uint8_t *u; | |
770 | size_t n; | |
771 | ||
9f6eb1cd KS |
772 | r = sd_bus_message_read_array(property, SD_BUS_TYPE_BYTE, (const void**) &u, &n); |
773 | if (r < 0) | |
774 | return r; | |
775 | ||
a1da8583 TG |
776 | if (all || n > 0) { |
777 | unsigned int i; | |
778 | ||
779 | printf("%s=", name); | |
780 | ||
781 | for (i = 0; i < n; i++) | |
782 | printf("%02x", u[i]); | |
783 | ||
784 | puts(""); | |
785 | } | |
786 | ||
787 | return 1; | |
788 | ||
789 | } else if (streq(contents, "u")) { | |
790 | uint32_t *u; | |
791 | size_t n; | |
792 | ||
9f6eb1cd KS |
793 | r = sd_bus_message_read_array(property, SD_BUS_TYPE_UINT32, (const void**) &u, &n); |
794 | if (r < 0) | |
795 | return r; | |
796 | ||
a1da8583 TG |
797 | if (all || n > 0) { |
798 | unsigned int i; | |
799 | ||
800 | printf("%s=", name); | |
801 | ||
802 | for (i = 0; i < n; i++) | |
803 | printf("%08x", u[i]); | |
804 | ||
805 | puts(""); | |
806 | } | |
807 | ||
808 | return 1; | |
809 | } | |
810 | ||
811 | break; | |
812 | } | |
813 | ||
814 | return 0; | |
815 | } | |
d21ed1ea | 816 | |
27e72d6b | 817 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all) { |
9f6eb1cd | 818 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
ffc06c35 KS |
819 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
820 | int r; | |
821 | ||
9f6eb1cd KS |
822 | assert(bus); |
823 | assert(path); | |
824 | ||
825 | r = sd_bus_call_method(bus, | |
27e72d6b | 826 | dest, |
ffc06c35 KS |
827 | path, |
828 | "org.freedesktop.DBus.Properties", | |
829 | "GetAll", | |
830 | &error, | |
9f6eb1cd | 831 | &reply, |
ffc06c35 | 832 | "s", ""); |
9f6eb1cd | 833 | if (r < 0) |
ffc06c35 | 834 | return r; |
ffc06c35 | 835 | |
9f6eb1cd | 836 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); |
ffc06c35 KS |
837 | if (r < 0) |
838 | return r; | |
839 | ||
9f6eb1cd | 840 | while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { |
ffc06c35 | 841 | const char *name; |
ffc06c35 | 842 | const char *contents; |
ffc06c35 | 843 | |
9f6eb1cd | 844 | r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &name); |
ffc06c35 KS |
845 | if (r < 0) |
846 | return r; | |
847 | ||
9f6eb1cd KS |
848 | if (!filter || strv_find(filter, name)) { |
849 | r = sd_bus_message_peek_type(reply, NULL, &contents); | |
850 | if (r < 0) | |
851 | return r; | |
852 | ||
853 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents); | |
854 | if (r < 0) | |
855 | return r; | |
ffc06c35 | 856 | |
9f6eb1cd KS |
857 | r = bus_print_property(name, reply, all); |
858 | if (r < 0) | |
859 | return r; | |
27e72d6b SP |
860 | if (r == 0) { |
861 | if (all) | |
862 | printf("%s=[unprintable]\n", name); | |
863 | /* skip what we didn't read */ | |
864 | r = sd_bus_message_skip(reply, contents); | |
865 | if (r < 0) | |
866 | return r; | |
867 | } | |
9f6eb1cd KS |
868 | |
869 | r = sd_bus_message_exit_container(reply); | |
870 | if (r < 0) | |
871 | return r; | |
872 | } else { | |
873 | r = sd_bus_message_skip(reply, "v"); | |
874 | if (r < 0) | |
875 | return r; | |
876 | } | |
877 | ||
878 | r = sd_bus_message_exit_container(reply); | |
ffc06c35 KS |
879 | if (r < 0) |
880 | return r; | |
9f6eb1cd KS |
881 | } |
882 | if (r < 0) | |
883 | return r; | |
ffc06c35 | 884 | |
9f6eb1cd KS |
885 | r = sd_bus_message_exit_container(reply); |
886 | if (r < 0) | |
887 | return r; | |
ffc06c35 | 888 | |
9f6eb1cd KS |
889 | return 0; |
890 | } | |
ffc06c35 | 891 | |
9f6eb1cd KS |
892 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { |
893 | sd_id128_t *p = userdata; | |
894 | const void *v; | |
895 | size_t n; | |
896 | int r; | |
ffc06c35 | 897 | |
9f6eb1cd KS |
898 | r = sd_bus_message_read_array(m, SD_BUS_TYPE_BYTE, &v, &n); |
899 | if (r < 0) | |
900 | return r; | |
ffc06c35 | 901 | |
9f6eb1cd KS |
902 | if (n == 0) |
903 | *p = SD_ID128_NULL; | |
904 | else if (n == 16) | |
905 | memcpy((*p).bytes, v, n); | |
906 | else | |
907 | return -EINVAL; | |
ffc06c35 | 908 | |
9f6eb1cd KS |
909 | return 0; |
910 | } | |
ffc06c35 | 911 | |
9f6eb1cd KS |
912 | static int map_basic(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { |
913 | char type; | |
914 | int r; | |
ffc06c35 | 915 | |
9f6eb1cd KS |
916 | r = sd_bus_message_peek_type(m, &type, NULL); |
917 | if (r < 0) | |
918 | return r; | |
ffc06c35 | 919 | |
9f6eb1cd KS |
920 | switch (type) { |
921 | case SD_BUS_TYPE_STRING: { | |
922 | const char *s; | |
923 | char *str; | |
924 | char **p = userdata; | |
ffc06c35 | 925 | |
9f6eb1cd KS |
926 | r = sd_bus_message_read_basic(m, type, &s); |
927 | if (r < 0) | |
928 | break; | |
ffc06c35 | 929 | |
9f6eb1cd KS |
930 | if (isempty(s)) |
931 | break; | |
ffc06c35 | 932 | |
9f6eb1cd KS |
933 | str = strdup(s); |
934 | if (!str) { | |
935 | r = -ENOMEM; | |
ffc06c35 KS |
936 | break; |
937 | } | |
9f6eb1cd KS |
938 | free(*p); |
939 | *p = str; | |
ffc06c35 | 940 | |
9f6eb1cd KS |
941 | break; |
942 | } | |
ffc06c35 | 943 | |
9f6eb1cd KS |
944 | case SD_BUS_TYPE_ARRAY: { |
945 | _cleanup_strv_free_ char **l = NULL; | |
946 | char ***p = userdata; | |
ffc06c35 | 947 | |
9f6eb1cd KS |
948 | r = bus_message_read_strv_extend(m, &l); |
949 | if (r < 0) | |
950 | break; | |
ffc06c35 | 951 | |
9f6eb1cd KS |
952 | strv_free(*p); |
953 | *p = l; | |
954 | l = NULL; | |
ffc06c35 | 955 | |
9f6eb1cd KS |
956 | break; |
957 | } | |
ffc06c35 | 958 | |
9f6eb1cd KS |
959 | case SD_BUS_TYPE_BOOLEAN: { |
960 | unsigned b; | |
961 | bool *p = userdata; | |
ffc06c35 | 962 | |
9f6eb1cd KS |
963 | r = sd_bus_message_read_basic(m, type, &b); |
964 | if (r < 0) | |
965 | break; | |
ffc06c35 | 966 | |
9f6eb1cd | 967 | *p = b; |
ffc06c35 | 968 | |
9f6eb1cd KS |
969 | break; |
970 | } | |
ffc06c35 | 971 | |
9f6eb1cd KS |
972 | case SD_BUS_TYPE_UINT32: { |
973 | uint64_t u; | |
974 | uint32_t *p = userdata; | |
975 | ||
976 | r = sd_bus_message_read_basic(m, type, &u); | |
977 | if (r < 0) | |
ffc06c35 | 978 | break; |
ffc06c35 | 979 | |
9f6eb1cd KS |
980 | *p = u; |
981 | ||
982 | break; | |
983 | } | |
984 | ||
985 | case SD_BUS_TYPE_UINT64: { | |
986 | uint64_t t; | |
987 | uint64_t *p = userdata; | |
988 | ||
989 | r = sd_bus_message_read_basic(m, type, &t); | |
990 | if (r < 0) | |
ffc06c35 | 991 | break; |
ffc06c35 | 992 | |
9f6eb1cd KS |
993 | *p = t; |
994 | ||
995 | break; | |
996 | } | |
997 | ||
998 | default: | |
999 | break; | |
1000 | } | |
1001 | ||
1002 | return r; | |
1003 | } | |
1004 | ||
aae2b488 DH |
1005 | int bus_message_map_all_properties(sd_bus *bus, |
1006 | sd_bus_message *m, | |
1007 | const struct bus_properties_map *map, | |
1008 | void *userdata) { | |
9f6eb1cd KS |
1009 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1010 | int r; | |
1011 | ||
1012 | assert(bus); | |
aae2b488 | 1013 | assert(m); |
9f6eb1cd KS |
1014 | assert(map); |
1015 | ||
9f6eb1cd KS |
1016 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}"); |
1017 | if (r < 0) | |
1018 | return r; | |
1019 | ||
1020 | while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
1021 | const struct bus_properties_map *prop; | |
1022 | const char *member; | |
1023 | const char *contents; | |
1024 | void *v; | |
1025 | unsigned i; | |
1026 | ||
1027 | r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &member); | |
ffc06c35 KS |
1028 | if (r < 0) |
1029 | return r; | |
1030 | ||
9f6eb1cd KS |
1031 | for (i = 0, prop = NULL; map[i].member; i++) |
1032 | if (streq(map[i].member, member)) { | |
1033 | prop = &map[i]; | |
1034 | break; | |
1035 | } | |
1036 | ||
1037 | if (prop) { | |
1038 | r = sd_bus_message_peek_type(m, NULL, &contents); | |
1039 | if (r < 0) | |
1040 | return r; | |
1041 | ||
1042 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, contents); | |
1043 | if (r < 0) | |
1044 | return r; | |
1045 | ||
1046 | v = (uint8_t *)userdata + prop->offset; | |
27e72d6b | 1047 | if (map[i].set) |
9f6eb1cd KS |
1048 | r = prop->set(bus, member, m, &error, v); |
1049 | else | |
1050 | r = map_basic(bus, member, m, &error, v); | |
2b49a470 TA |
1051 | if (r < 0) |
1052 | return r; | |
9f6eb1cd KS |
1053 | |
1054 | r = sd_bus_message_exit_container(m); | |
1055 | if (r < 0) | |
1056 | return r; | |
1057 | } else { | |
1058 | r = sd_bus_message_skip(m, "v"); | |
1059 | if (r < 0) | |
6c1508b8 | 1060 | return r; |
9f6eb1cd KS |
1061 | } |
1062 | ||
ffc06c35 KS |
1063 | r = sd_bus_message_exit_container(m); |
1064 | if (r < 0) | |
1065 | return r; | |
1066 | } | |
1067 | ||
aae2b488 DH |
1068 | return sd_bus_message_exit_container(m); |
1069 | } | |
1070 | ||
1071 | int bus_message_map_properties_changed(sd_bus *bus, | |
1072 | sd_bus_message *m, | |
1073 | const struct bus_properties_map *map, | |
1074 | void *userdata) { | |
1075 | const char *member; | |
1076 | int r, invalidated, i; | |
1077 | ||
1078 | assert(bus); | |
1079 | assert(m); | |
1080 | assert(map); | |
1081 | ||
aae2b488 DH |
1082 | r = bus_message_map_all_properties(bus, m, map, userdata); |
1083 | if (r < 0) | |
1084 | return r; | |
1085 | ||
1086 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "s"); | |
1087 | if (r < 0) | |
1088 | return r; | |
1089 | ||
1090 | invalidated = 0; | |
1091 | while ((r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &member)) > 0) | |
1092 | for (i = 0; map[i].member; i++) | |
1093 | if (streq(map[i].member, member)) { | |
1094 | ++invalidated; | |
1095 | break; | |
1096 | } | |
1097 | ||
1098 | r = sd_bus_message_exit_container(m); | |
1099 | if (r < 0) | |
1100 | return r; | |
1101 | ||
1102 | return invalidated; | |
1103 | } | |
1104 | ||
1105 | int bus_map_all_properties(sd_bus *bus, | |
1106 | const char *destination, | |
1107 | const char *path, | |
1108 | const struct bus_properties_map *map, | |
1109 | void *userdata) { | |
1110 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
1111 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1112 | int r; | |
1113 | ||
1114 | assert(bus); | |
1115 | assert(destination); | |
1116 | assert(path); | |
1117 | assert(map); | |
1118 | ||
1119 | r = sd_bus_call_method( | |
1120 | bus, | |
1121 | destination, | |
1122 | path, | |
1123 | "org.freedesktop.DBus.Properties", | |
1124 | "GetAll", | |
1125 | &error, | |
1126 | &m, | |
1127 | "s", ""); | |
1128 | if (r < 0) | |
1129 | return r; | |
1130 | ||
1131 | return bus_message_map_all_properties(bus, m, map, userdata); | |
ffc06c35 KS |
1132 | } |
1133 | ||
d21ed1ea LP |
1134 | int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus) { |
1135 | int r; | |
1136 | ||
1137 | assert(transport >= 0); | |
1138 | assert(transport < _BUS_TRANSPORT_MAX); | |
1139 | assert(bus); | |
1140 | ||
1141 | assert_return((transport == BUS_TRANSPORT_LOCAL) == !host, -EINVAL); | |
1142 | assert_return(transport == BUS_TRANSPORT_LOCAL || !user, -ENOTSUP); | |
1143 | ||
1144 | switch (transport) { | |
1145 | ||
1146 | case BUS_TRANSPORT_LOCAL: | |
1147 | if (user) | |
76b54375 | 1148 | r = sd_bus_default_user(bus); |
d21ed1ea | 1149 | else |
76b54375 | 1150 | r = sd_bus_default_system(bus); |
d21ed1ea LP |
1151 | |
1152 | break; | |
1153 | ||
1154 | case BUS_TRANSPORT_REMOTE: | |
3db729cb | 1155 | r = sd_bus_open_system_remote(bus, host); |
41dd15e4 LP |
1156 | break; |
1157 | ||
de33fc62 LP |
1158 | case BUS_TRANSPORT_MACHINE: |
1159 | r = sd_bus_open_system_machine(bus, host); | |
41dd15e4 LP |
1160 | break; |
1161 | ||
1162 | default: | |
1163 | assert_not_reached("Hmm, unknown transport type."); | |
1164 | } | |
1165 | ||
1166 | return r; | |
1167 | } | |
1168 | ||
1169 | int bus_open_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus) { | |
1170 | int r; | |
1171 | ||
1172 | assert(transport >= 0); | |
1173 | assert(transport < _BUS_TRANSPORT_MAX); | |
1174 | assert(bus); | |
1175 | ||
1176 | assert_return((transport == BUS_TRANSPORT_LOCAL) == !host, -EINVAL); | |
1177 | assert_return(transport == BUS_TRANSPORT_LOCAL || !user, -ENOTSUP); | |
1178 | ||
1179 | switch (transport) { | |
1180 | ||
1181 | case BUS_TRANSPORT_LOCAL: | |
1182 | if (user) | |
1183 | r = bus_open_user_systemd(bus); | |
1184 | else | |
1185 | r = bus_open_system_systemd(bus); | |
1186 | ||
1187 | break; | |
1188 | ||
1189 | case BUS_TRANSPORT_REMOTE: | |
3db729cb | 1190 | r = sd_bus_open_system_remote(bus, host); |
d21ed1ea LP |
1191 | break; |
1192 | ||
de33fc62 LP |
1193 | case BUS_TRANSPORT_MACHINE: |
1194 | r = sd_bus_open_system_machine(bus, host); | |
d21ed1ea LP |
1195 | break; |
1196 | ||
1197 | default: | |
1198 | assert_not_reached("Hmm, unknown transport type."); | |
1199 | } | |
1200 | ||
1201 | return r; | |
1202 | } | |
e6504030 LP |
1203 | |
1204 | int bus_property_get_bool( | |
1205 | sd_bus *bus, | |
1206 | const char *path, | |
1207 | const char *interface, | |
1208 | const char *property, | |
1209 | sd_bus_message *reply, | |
ebcf1f97 LP |
1210 | void *userdata, |
1211 | sd_bus_error *error) { | |
e6504030 LP |
1212 | |
1213 | int b = *(bool*) userdata; | |
1214 | ||
1215 | return sd_bus_message_append_basic(reply, 'b', &b); | |
1216 | } | |
1217 | ||
718db961 LP |
1218 | #if __SIZEOF_SIZE_T__ != 8 |
1219 | int bus_property_get_size( | |
e6504030 LP |
1220 | sd_bus *bus, |
1221 | const char *path, | |
1222 | const char *interface, | |
1223 | const char *property, | |
1224 | sd_bus_message *reply, | |
ebcf1f97 LP |
1225 | void *userdata, |
1226 | sd_bus_error *error) { | |
e6504030 | 1227 | |
718db961 | 1228 | uint64_t sz = *(size_t*) userdata; |
e6504030 | 1229 | |
718db961 | 1230 | return sd_bus_message_append_basic(reply, 't', &sz); |
e6504030 | 1231 | } |
718db961 LP |
1232 | #endif |
1233 | ||
1234 | #if __SIZEOF_LONG__ != 8 | |
1235 | int bus_property_get_long( | |
1236 | sd_bus *bus, | |
1237 | const char *path, | |
1238 | const char *interface, | |
1239 | const char *property, | |
1240 | sd_bus_message *reply, | |
ebcf1f97 LP |
1241 | void *userdata, |
1242 | sd_bus_error *error) { | |
718db961 LP |
1243 | |
1244 | int64_t l = *(long*) userdata; | |
1245 | ||
1246 | return sd_bus_message_append_basic(reply, 'x', &l); | |
1247 | } | |
1248 | ||
1249 | int bus_property_get_ulong( | |
1250 | sd_bus *bus, | |
1251 | const char *path, | |
1252 | const char *interface, | |
1253 | const char *property, | |
1254 | sd_bus_message *reply, | |
ebcf1f97 LP |
1255 | void *userdata, |
1256 | sd_bus_error *error) { | |
718db961 LP |
1257 | |
1258 | uint64_t ul = *(unsigned long*) userdata; | |
1259 | ||
1260 | return sd_bus_message_append_basic(reply, 't', &ul); | |
1261 | } | |
1262 | #endif | |
5b30bef8 LP |
1263 | |
1264 | int bus_log_parse_error(int r) { | |
23bbb0de | 1265 | return log_error_errno(r, "Failed to parse bus message: %m"); |
5b30bef8 | 1266 | } |
f459b602 MAP |
1267 | |
1268 | int bus_log_create_error(int r) { | |
23bbb0de | 1269 | return log_error_errno(r, "Failed to create bus message: %m"); |
f459b602 MAP |
1270 | } |
1271 | ||
1272 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) { | |
1273 | assert(message); | |
1274 | assert(u); | |
1275 | ||
1238ee09 LP |
1276 | u->machine = NULL; |
1277 | ||
f459b602 MAP |
1278 | return sd_bus_message_read( |
1279 | message, | |
1280 | "(ssssssouso)", | |
1281 | &u->id, | |
1282 | &u->description, | |
1283 | &u->load_state, | |
1284 | &u->active_state, | |
1285 | &u->sub_state, | |
1286 | &u->following, | |
1287 | &u->unit_path, | |
1288 | &u->job_id, | |
1289 | &u->job_type, | |
1290 | &u->job_path); | |
1291 | } | |
ebcf1f97 LP |
1292 | |
1293 | int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error) { | |
1294 | assert(m); | |
1295 | ||
1296 | if (r < 0) { | |
1297 | if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL) | |
1298 | sd_bus_reply_method_errno(m, r, error); | |
1299 | ||
1300 | } else if (sd_bus_error_is_set(error)) { | |
1301 | if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL) | |
1302 | sd_bus_reply_method_error(m, error); | |
ebcf1f97 LP |
1303 | } else |
1304 | return r; | |
1305 | ||
1306 | log_debug("Failed to process message [type=%s sender=%s path=%s interface=%s member=%s signature=%s]: %s", | |
1307 | bus_message_type_to_string(m->header->type), | |
1308 | strna(m->sender), | |
1309 | strna(m->path), | |
1310 | strna(m->interface), | |
1311 | strna(m->member), | |
1312 | strna(m->root_container.signature), | |
1313 | bus_error_message(error, r)); | |
1314 | ||
1315 | return 1; | |
1316 | } | |
df31a6c0 LP |
1317 | |
1318 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) { | |
1319 | const char *eq, *field; | |
1320 | int r; | |
1321 | ||
1322 | assert(m); | |
1323 | assert(assignment); | |
1324 | ||
1325 | eq = strchr(assignment, '='); | |
1326 | if (!eq) { | |
1327 | log_error("Not an assignment: %s", assignment); | |
1328 | return -EINVAL; | |
1329 | } | |
1330 | ||
1331 | field = strndupa(assignment, eq - assignment); | |
1332 | eq ++; | |
1333 | ||
b2f8b02e LP |
1334 | if (streq(field, "CPUQuota")) { |
1335 | ||
1336 | if (isempty(eq)) { | |
1337 | ||
1338 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec"); | |
1339 | if (r < 0) | |
1340 | return bus_log_create_error(r); | |
1341 | ||
3a43da28 | 1342 | r = sd_bus_message_append(m, "v", "t", USEC_INFINITY); |
b2f8b02e LP |
1343 | |
1344 | } else if (endswith(eq, "%")) { | |
1345 | double percent; | |
1346 | ||
1347 | if (sscanf(eq, "%lf%%", &percent) != 1 || percent <= 0) { | |
1348 | log_error("CPU quota '%s' invalid.", eq); | |
1349 | return -EINVAL; | |
1350 | } | |
1351 | ||
1352 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec"); | |
1353 | if (r < 0) | |
1354 | return bus_log_create_error(r); | |
1355 | ||
1356 | r = sd_bus_message_append(m, "v", "t", (usec_t) percent * USEC_PER_SEC / 100); | |
1357 | } else { | |
9a054909 | 1358 | log_error("CPU quota needs to be in percent."); |
b2f8b02e LP |
1359 | return -EINVAL; |
1360 | } | |
1361 | ||
b2f8b02e LP |
1362 | if (r < 0) |
1363 | return bus_log_create_error(r); | |
1364 | ||
1365 | return 0; | |
1366 | } | |
1367 | ||
df31a6c0 LP |
1368 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); |
1369 | if (r < 0) | |
1370 | return bus_log_create_error(r); | |
1371 | ||
e567439e LP |
1372 | if (STR_IN_SET(field, |
1373 | "CPUAccounting", "MemoryAccounting", "BlockIOAccounting", | |
4c213d6c WC |
1374 | "SendSIGHUP", "SendSIGKILL", |
1375 | "WakeSystem")) { | |
df31a6c0 LP |
1376 | |
1377 | r = parse_boolean(eq); | |
1378 | if (r < 0) { | |
1379 | log_error("Failed to parse boolean assignment %s.", assignment); | |
1380 | return -EINVAL; | |
1381 | } | |
1382 | ||
1383 | r = sd_bus_message_append(m, "v", "b", r); | |
1384 | ||
1385 | } else if (streq(field, "MemoryLimit")) { | |
1386 | off_t bytes; | |
1387 | ||
1388 | r = parse_size(eq, 1024, &bytes); | |
1389 | if (r < 0) { | |
1390 | log_error("Failed to parse bytes specification %s", assignment); | |
1391 | return -EINVAL; | |
1392 | } | |
1393 | ||
1394 | r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes); | |
1395 | ||
1396 | } else if (STR_IN_SET(field, "CPUShares", "BlockIOWeight")) { | |
1397 | uint64_t u; | |
1398 | ||
1399 | r = safe_atou64(eq, &u); | |
1400 | if (r < 0) { | |
1401 | log_error("Failed to parse %s value %s.", field, eq); | |
1402 | return -EINVAL; | |
1403 | } | |
1404 | ||
1405 | r = sd_bus_message_append(m, "v", "t", u); | |
1406 | ||
e567439e | 1407 | } else if (STR_IN_SET(field, "User", "Group", "DevicePolicy", "KillMode")) |
df31a6c0 LP |
1408 | r = sd_bus_message_append(m, "v", "s", eq); |
1409 | ||
1410 | else if (streq(field, "DeviceAllow")) { | |
1411 | ||
1412 | if (isempty(eq)) | |
1413 | r = sd_bus_message_append(m, "v", "a(ss)", 0); | |
1414 | else { | |
1415 | const char *path, *rwm, *e; | |
1416 | ||
1417 | e = strchr(eq, ' '); | |
1418 | if (e) { | |
1419 | path = strndupa(eq, e - eq); | |
1420 | rwm = e+1; | |
1421 | } else { | |
1422 | path = eq; | |
1423 | rwm = ""; | |
1424 | } | |
1425 | ||
1426 | if (!path_startswith(path, "/dev")) { | |
1427 | log_error("%s is not a device file in /dev.", path); | |
1428 | return -EINVAL; | |
1429 | } | |
1430 | ||
1431 | r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); | |
1432 | } | |
1433 | ||
1434 | } else if (STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) { | |
1435 | ||
1436 | if (isempty(eq)) | |
1437 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
1438 | else { | |
1439 | const char *path, *bandwidth, *e; | |
1440 | off_t bytes; | |
1441 | ||
1442 | e = strchr(eq, ' '); | |
1443 | if (e) { | |
1444 | path = strndupa(eq, e - eq); | |
1445 | bandwidth = e+1; | |
1446 | } else { | |
1447 | log_error("Failed to parse %s value %s.", field, eq); | |
1448 | return -EINVAL; | |
1449 | } | |
1450 | ||
1451 | if (!path_startswith(path, "/dev")) { | |
1452 | log_error("%s is not a device file in /dev.", path); | |
1453 | return -EINVAL; | |
1454 | } | |
1455 | ||
1456 | r = parse_size(bandwidth, 1000, &bytes); | |
1457 | if (r < 0) { | |
1458 | log_error("Failed to parse byte value %s.", bandwidth); | |
1459 | return -EINVAL; | |
1460 | } | |
1461 | ||
1462 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes); | |
1463 | } | |
1464 | ||
1465 | } else if (streq(field, "BlockIODeviceWeight")) { | |
1466 | ||
1467 | if (isempty(eq)) | |
1468 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
1469 | else { | |
1470 | const char *path, *weight, *e; | |
1471 | uint64_t u; | |
1472 | ||
1473 | e = strchr(eq, ' '); | |
1474 | if (e) { | |
1475 | path = strndupa(eq, e - eq); | |
1476 | weight = e+1; | |
1477 | } else { | |
1478 | log_error("Failed to parse %s value %s.", field, eq); | |
1479 | return -EINVAL; | |
1480 | } | |
1481 | ||
1482 | if (!path_startswith(path, "/dev")) { | |
1483 | log_error("%s is not a device file in /dev.", path); | |
1484 | return -EINVAL; | |
1485 | } | |
1486 | ||
1487 | r = safe_atou64(weight, &u); | |
1488 | if (r < 0) { | |
1489 | log_error("Failed to parse %s value %s.", field, weight); | |
1490 | return -EINVAL; | |
1491 | } | |
1492 | r = sd_bus_message_append(m, "v", "a(st)", path, u); | |
1493 | } | |
1494 | ||
d584f638 LP |
1495 | } else if (rlimit_from_string(field) >= 0) { |
1496 | uint64_t rl; | |
1497 | ||
1498 | if (streq(eq, "infinity")) | |
1499 | rl = (uint64_t) -1; | |
1500 | else { | |
1501 | r = safe_atou64(eq, &rl); | |
1502 | if (r < 0) { | |
1503 | log_error("Invalid resource limit: %s", eq); | |
1504 | return -EINVAL; | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | r = sd_bus_message_append(m, "v", "t", rl); | |
1509 | ||
e567439e LP |
1510 | } else if (streq(field, "Nice")) { |
1511 | int32_t i; | |
1512 | ||
1513 | r = safe_atoi32(eq, &i); | |
1514 | if (r < 0) { | |
1515 | log_error("Failed to parse %s value %s.", field, eq); | |
1516 | return -EINVAL; | |
1517 | } | |
1518 | ||
1519 | r = sd_bus_message_append(m, "v", "i", i); | |
1520 | ||
1521 | } else if (streq(field, "Environment")) { | |
1522 | ||
1523 | r = sd_bus_message_append(m, "v", "as", 1, eq); | |
1524 | ||
1525 | } else if (streq(field, "KillSignal")) { | |
1526 | int sig; | |
1527 | ||
1528 | sig = signal_from_string_try_harder(eq); | |
1529 | if (sig < 0) { | |
1530 | log_error("Failed to parse %s value %s.", field, eq); | |
1531 | return -EINVAL; | |
1532 | } | |
1533 | ||
1534 | r = sd_bus_message_append(m, "v", "i", sig); | |
1535 | ||
4c213d6c WC |
1536 | } else if (streq(field, "AccuracySec")) { |
1537 | usec_t u; | |
1538 | ||
1539 | r = parse_sec(eq, &u); | |
1540 | if (r < 0) { | |
1541 | log_error("Failed to parse %s value %s", field, eq); | |
1542 | return -EINVAL; | |
1543 | } | |
1544 | ||
1545 | r = sd_bus_message_append(m, "v", "t", u); | |
1546 | ||
df31a6c0 LP |
1547 | } else { |
1548 | log_error("Unknown assignment %s.", assignment); | |
1549 | return -EINVAL; | |
1550 | } | |
1551 | ||
1552 | if (r < 0) | |
1553 | return bus_log_create_error(r); | |
1554 | ||
1555 | return 0; | |
1556 | } | |
ebd011d9 LP |
1557 | |
1558 | typedef struct BusWaitForJobs { | |
1559 | sd_bus *bus; | |
1560 | Set *jobs; | |
1561 | ||
1562 | char *name; | |
1563 | char *result; | |
1564 | ||
1565 | sd_bus_slot *slot_job_removed; | |
1566 | sd_bus_slot *slot_disconnected; | |
1567 | } BusWaitForJobs; | |
1568 | ||
1569 | static int match_disconnected(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1570 | assert(bus); | |
1571 | assert(m); | |
1572 | ||
1573 | log_error("Warning! D-Bus connection terminated."); | |
1574 | sd_bus_close(bus); | |
1575 | ||
1576 | return 0; | |
1577 | } | |
1578 | ||
1579 | static int match_job_removed(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1580 | const char *path, *unit, *result; | |
1581 | BusWaitForJobs *d = userdata; | |
1582 | uint32_t id; | |
1583 | char *found; | |
1584 | int r; | |
1585 | ||
1586 | assert(bus); | |
1587 | assert(m); | |
1588 | assert(d); | |
1589 | ||
1590 | r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result); | |
1591 | if (r < 0) { | |
1592 | bus_log_parse_error(r); | |
1593 | return 0; | |
1594 | } | |
1595 | ||
1596 | found = set_remove(d->jobs, (char*) path); | |
1597 | if (!found) | |
1598 | return 0; | |
1599 | ||
1600 | free(found); | |
1601 | ||
1602 | if (!isempty(result)) | |
1603 | d->result = strdup(result); | |
1604 | ||
1605 | if (!isempty(unit)) | |
1606 | d->name = strdup(unit); | |
1607 | ||
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | void bus_wait_for_jobs_free(BusWaitForJobs *d) { | |
1612 | if (!d) | |
1613 | return; | |
1614 | ||
1615 | set_free_free(d->jobs); | |
1616 | ||
1617 | sd_bus_slot_unref(d->slot_disconnected); | |
1618 | sd_bus_slot_unref(d->slot_job_removed); | |
1619 | ||
1620 | sd_bus_unref(d->bus); | |
1621 | ||
1622 | free(d->name); | |
1623 | free(d->result); | |
1624 | ||
1625 | free(d); | |
1626 | } | |
1627 | ||
1628 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) { | |
1629 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL; | |
1630 | int r; | |
1631 | ||
1632 | assert(bus); | |
1633 | assert(ret); | |
1634 | ||
1635 | d = new0(BusWaitForJobs, 1); | |
1636 | if (!d) | |
1637 | return -ENOMEM; | |
1638 | ||
1639 | d->bus = sd_bus_ref(bus); | |
1640 | ||
b798e7ba LP |
1641 | /* When we are a bus client we match by sender. Direct |
1642 | * connections OTOH have no initialized sender field, and | |
1643 | * hence we ignore the sender then */ | |
ebd011d9 LP |
1644 | r = sd_bus_add_match( |
1645 | bus, | |
1646 | &d->slot_job_removed, | |
b798e7ba | 1647 | bus->bus_client ? |
ebd011d9 LP |
1648 | "type='signal'," |
1649 | "sender='org.freedesktop.systemd1'," | |
1650 | "interface='org.freedesktop.systemd1.Manager'," | |
1651 | "member='JobRemoved'," | |
b798e7ba LP |
1652 | "path='/org/freedesktop/systemd1'" : |
1653 | "type='signal'," | |
1654 | "interface='org.freedesktop.systemd1.Manager'," | |
1655 | "member='JobRemoved'," | |
ebd011d9 LP |
1656 | "path='/org/freedesktop/systemd1'", |
1657 | match_job_removed, d); | |
1658 | if (r < 0) | |
1659 | return r; | |
1660 | ||
1661 | r = sd_bus_add_match( | |
1662 | bus, | |
1663 | &d->slot_disconnected, | |
1664 | "type='signal'," | |
1665 | "sender='org.freedesktop.DBus.Local'," | |
1666 | "interface='org.freedesktop.DBus.Local'," | |
1667 | "member='Disconnected'", | |
1668 | match_disconnected, d); | |
1669 | if (r < 0) | |
1670 | return r; | |
1671 | ||
1672 | *ret = d; | |
1673 | d = NULL; | |
1674 | ||
1675 | return 0; | |
1676 | } | |
1677 | ||
1678 | static int bus_process_wait(sd_bus *bus) { | |
1679 | int r; | |
1680 | ||
1681 | for (;;) { | |
1682 | r = sd_bus_process(bus, NULL); | |
1683 | if (r < 0) | |
1684 | return r; | |
1685 | if (r > 0) | |
1686 | return 0; | |
1687 | ||
1688 | r = sd_bus_wait(bus, (uint64_t) -1); | |
1689 | if (r < 0) | |
1690 | return r; | |
1691 | } | |
1692 | } | |
1693 | ||
1694 | static int check_wait_response(BusWaitForJobs *d, bool quiet) { | |
1695 | int r = 0; | |
1696 | ||
1697 | assert(d->result); | |
1698 | ||
1699 | if (!quiet) { | |
1700 | if (streq(d->result, "canceled")) | |
1701 | log_error("Job for %s canceled.", strna(d->name)); | |
1702 | else if (streq(d->result, "timeout")) | |
1703 | log_error("Job for %s timed out.", strna(d->name)); | |
1704 | else if (streq(d->result, "dependency")) | |
1705 | log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name)); | |
1706 | else if (streq(d->result, "invalid")) | |
1707 | log_error("Job for %s invalid.", strna(d->name)); | |
1708 | else if (streq(d->result, "assert")) | |
1709 | log_error("Assertion failed on job for %s.", strna(d->name)); | |
1710 | else if (streq(d->result, "unsupported")) | |
1711 | log_error("Operation on or unit type of %s not supported on this system.", strna(d->name)); | |
1712 | else if (!streq(d->result, "done") && !streq(d->result, "skipped")) { | |
1713 | if (d->name) { | |
1714 | bool quotes; | |
1715 | ||
1716 | quotes = chars_intersect(d->name, SHELL_NEED_QUOTES); | |
1717 | ||
1718 | log_error("Job for %s failed. See \"systemctl status %s%s%s\" and \"journalctl -xe\" for details.", | |
1719 | d->name, | |
1720 | quotes ? "'" : "", d->name, quotes ? "'" : ""); | |
1721 | } else | |
1722 | log_error("Job failed. See \"journalctl -xe\" for details."); | |
1723 | } | |
1724 | } | |
1725 | ||
1726 | if (streq(d->result, "canceled")) | |
1727 | r = -ECANCELED; | |
1728 | else if (streq(d->result, "timeout")) | |
1729 | r = -ETIME; | |
1730 | else if (streq(d->result, "dependency")) | |
1731 | r = -EIO; | |
1732 | else if (streq(d->result, "invalid")) | |
1733 | r = -ENOEXEC; | |
1734 | else if (streq(d->result, "assert")) | |
1735 | r = -EPROTO; | |
1736 | else if (streq(d->result, "unsupported")) | |
1737 | r = -ENOTSUP; | |
1738 | else if (!streq(d->result, "done") && !streq(d->result, "skipped")) | |
1739 | r = -EIO; | |
1740 | ||
1741 | return r; | |
1742 | } | |
1743 | ||
1744 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet) { | |
1745 | int r = 0; | |
1746 | ||
1747 | assert(d); | |
1748 | ||
1749 | while (!set_isempty(d->jobs)) { | |
1750 | int q; | |
1751 | ||
1752 | q = bus_process_wait(d->bus); | |
1753 | if (q < 0) | |
1754 | return log_error_errno(q, "Failed to wait for response: %m"); | |
1755 | ||
1756 | if (d->result) { | |
1757 | q = check_wait_response(d, quiet); | |
1758 | /* Return the first error as it is most likely to be | |
1759 | * meaningful. */ | |
1760 | if (q < 0 && r == 0) | |
1761 | r = q; | |
1762 | ||
2efe2438 | 1763 | errno = 0; |
ebd011d9 LP |
1764 | log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name)); |
1765 | } | |
1766 | ||
1767 | free(d->name); | |
1768 | d->name = NULL; | |
1769 | ||
1770 | free(d->result); | |
1771 | d->result = NULL; | |
1772 | } | |
1773 | ||
1774 | return r; | |
1775 | } | |
1776 | ||
1777 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) { | |
1778 | int r; | |
1779 | ||
1780 | assert(d); | |
1781 | ||
1782 | r = set_ensure_allocated(&d->jobs, &string_hash_ops); | |
1783 | if (r < 0) | |
1784 | return r; | |
1785 | ||
1786 | return set_put_strdup(d->jobs, path); | |
1787 | } | |
d8f52ed2 LP |
1788 | |
1789 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet) { | |
1790 | const char *type, *path, *source; | |
1791 | int r; | |
1792 | ||
1793 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); | |
1794 | if (r < 0) | |
1795 | return bus_log_parse_error(r); | |
1796 | ||
1797 | while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { | |
1798 | if (!quiet) { | |
1799 | if (streq(type, "symlink")) | |
1800 | log_info("Created symlink from %s to %s.", path, source); | |
1801 | else | |
1802 | log_info("Removed symlink %s.", path); | |
1803 | } | |
1804 | } | |
1805 | if (r < 0) | |
1806 | return bus_log_parse_error(r); | |
1807 | ||
1808 | r = sd_bus_message_exit_container(m); | |
1809 | if (r < 0) | |
1810 | return bus_log_parse_error(r); | |
1811 | ||
1812 | return 0; | |
1813 | } |