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3f49d45a
LP		 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3/***
4 This file is part of systemd.
5
6 Copyright 2011 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
a185c5aa
LP		 22#include <errno.h>
23#include <string.h>
98a28fef 24#include <unistd.h>
7f7bb946 25#include <pwd.h>
a185c5aa 26
3f49d45a
LP		 27#include "logind.h"
28#include "dbus-common.h"
98a28fef 29#include "strv.h"
7f7bb946 30#include "polkit.h"
3f49d45a
LP		 31
32#define BUS_MANAGER_INTERFACE \
33 " <interface name=\"org.freedesktop.login1.Manager\">\n" \
bef422ae 34 " <method name=\"GetSession\">\n" \
3f49d45a 35 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
bef422ae 36 " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
3f49d45a
LP		 37 " </method>\n" \
38 " <method name=\"GetUser\">\n" \
bef422ae 39 " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
3f49d45a
LP		 40 " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
41 " </method>\n" \
bef422ae 42 " <method name=\"GetSeat\">\n" \
3f49d45a 43 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
bef422ae 44 " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
3f49d45a 45 " </method>\n" \
bef422ae 46 " <method name=\"ListSessions\">\n" \
e1c9c2d5 47 " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \
3f49d45a
LP		 48 " </method>\n" \
49 " <method name=\"ListUsers\">\n" \
50 " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
51 " </method>\n" \
bef422ae
LP		 52 " <method name=\"ListSeats\">\n" \
53 " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
3f49d45a
LP		 54 " </method>\n" \
55 " <method name=\"CreateSession\">\n" \
56 " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
57 " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
4d6d6518 58 " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \
3f49d45a
LP		 59 " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
60 " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
4d6d6518 61 " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \
3f49d45a
LP		 62 " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
63 " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
64 " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
65 " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
66 " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
67 " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
68 " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
98a28fef 69 " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \
3f49d45a
LP		 70 " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
71 " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
98a28fef 72 " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
3f49d45a
LP		 73 " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
74 " </method>\n" \
a185c5aa
LP		 75 " <method name=\"ActivateSession\">\n" \
76 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
77 " </method>\n" \
88e3dc90
LP		 78 " <method name=\"LockSession\">\n" \
79 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
80 " </method>\n" \
81 " <method name=\"UnlockSession\">\n" \
82 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
83 " </method>\n" \
de07ab16
LP		 84 " <method name=\"KillSession\">\n" \
85 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
86 " <arg name=\"who\" type=\"s\"/>\n" \
87 " <arg name=\"signal\" type=\"s\"/>\n" \
88 " </method>\n" \
89 " <method name=\"KillUser\">\n" \
90 " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
91 " <arg name=\"signal\" type=\"s\"/>\n" \
92 " </method>\n" \
3f49d45a
LP		 93 " <method name=\"TerminateSession\">\n" \
94 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
95 " </method>\n" \
96 " <method name=\"TerminateUser\">\n" \
bef422ae 97 " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
3f49d45a
LP		 98 " </method>\n" \
99 " <method name=\"TerminateSeat\">\n" \
100 " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
101 " </method>\n" \
7f7bb946
LP		 102 " <method name=\"SetUserLinger\">\n" \
103 " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
104 " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \
105 " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
106 " </method>\n" \
47a26690
LP		 107 " <method name=\"AttachDevice\">\n" \
108 " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
109 " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \
110 " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
111 " </method>\n" \
b668e064
LP		 112 " <method name=\"FlushDevices\">\n" \
113 " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
114 " </method>\n" \
3f49d45a
LP		 115 " <signal name=\"SessionNew\">\n" \
116 " <arg name=\"id\" type=\"s\"/>\n" \
117 " <arg name=\"path\" type=\"o\"/>\n" \
118 " </signal>\n" \
119 " <signal name=\"SessionRemoved\">\n" \
120 " <arg name=\"id\" type=\"s\"/>\n" \
121 " <arg name=\"path\" type=\"o\"/>\n" \
122 " </signal>\n" \
123 " <signal name=\"UserNew\">\n" \
124 " <arg name=\"uid\" type=\"u\"/>\n" \
125 " <arg name=\"path\" type=\"o\"/>\n" \
126 " </signal>\n" \
127 " <signal name=\"UserRemoved\">\n" \
128 " <arg name=\"uid\" type=\"u\"/>\n" \
129 " <arg name=\"path\" type=\"o\"/>\n" \
130 " </signal>\n" \
131 " <signal name=\"SeatNew\">\n" \
132 " <arg name=\"id\" type=\"s\"/>\n" \
133 " <arg name=\"path\" type=\"o\"/>\n" \
134 " </signal>\n" \
135 " <signal name=\"SeatRemoved\">\n" \
136 " <arg name=\"id\" type=\"s\"/>\n" \
137 " <arg name=\"path\" type=\"o\"/>\n" \
138 " </signal>\n" \
139 " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
140 " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
141 " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
142 " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
143 " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
144 " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
145 " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
a185c5aa
LP		 146 " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
147 " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
148 " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
3f49d45a
LP		 149 " </interface>\n"
150
151#define INTROSPECTION_BEGIN \
152 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
153 "<node>\n" \
154 BUS_MANAGER_INTERFACE \
155 BUS_PROPERTIES_INTERFACE \
156 BUS_PEER_INTERFACE \
157 BUS_INTROSPECTABLE_INTERFACE
158
159#define INTROSPECTION_END \
160 "</node>\n"
161
162#define INTERFACES_LIST \
163 BUS_GENERIC_INTERFACES_LIST \
164 "org.freedesktop.login1.Manager\0"
165
a185c5aa
LP		 166static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
167 Manager *m = data;
77527da0 168 dbus_bool_t b;
a185c5aa
LP		 169
170 assert(i);
171 assert(property);
172 assert(m);
173
77527da0 174 b = manager_get_idle_hint(m, NULL) > 0;
a185c5aa
LP		 175 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
176 return -ENOMEM;
177
178 return 0;
179}
180
181static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
182 Manager *m = data;
183 dual_timestamp t;
184 uint64_t u;
185
186 assert(i);
187 assert(property);
188 assert(m);
189
190 manager_get_idle_hint(m, &t);
191 u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
192
193 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
194 return -ENOMEM;
195
196 return 0;
197}
198
98a28fef
LP		 199static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) {
200 Session *session = NULL;
201 User *user = NULL;
202 const char *type, *seat, *tty, *display, *remote_user, *remote_host, *service;
203 uint32_t uid, leader, audit_id = 0;
204 dbus_bool_t remote, kill_processes;
205 char **controllers = NULL, **reset_controllers = NULL;
206 SessionType t;
207 Seat *s;
208 DBusMessageIter iter;
209 int r;
07714753 210 char *id = NULL, *p;
4d6d6518 211 uint32_t vtnr = 0;
932e3ee7 212 int fifo_fd = -1;
98a28fef
LP		 213 DBusMessage *reply = NULL;
214 bool b;
215
216 assert(m);
217 assert(message);
218 assert(_reply);
219
220 if (!dbus_message_iter_init(message, &iter) ||
221 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
222 return -EINVAL;
223
224 dbus_message_iter_get_basic(&iter, &uid);
225
226 if (!dbus_message_iter_next(&iter) ||
227 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
228 return -EINVAL;
229
230 dbus_message_iter_get_basic(&iter, &leader);
231
232 if (leader <= 0 ||
233 !dbus_message_iter_next(&iter) ||
234 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
235 return -EINVAL;
236
237 dbus_message_iter_get_basic(&iter, &service);
238
239 if (!dbus_message_iter_next(&iter) ||
240 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
241 return -EINVAL;
242
243 dbus_message_iter_get_basic(&iter, &type);
244 t = session_type_from_string(type);
245
246 if (t < 0 ||
247 !dbus_message_iter_next(&iter) ||
248 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
249 return -EINVAL;
250
251 dbus_message_iter_get_basic(&iter, &seat);
252
253 if (isempty(seat))
254 s = NULL;
255 else {
256 s = hashmap_get(m->seats, seat);
257 if (!s)
258 return -ENOENT;
259 }
260
4d6d6518
LP		 261 if (!dbus_message_iter_next(&iter) ||
262 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
263 return -EINVAL;
264
265 dbus_message_iter_get_basic(&iter, &vtnr);
266
98a28fef
LP		 267 if (!dbus_message_iter_next(&iter) ||
268 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
269 return -EINVAL;
270
271 dbus_message_iter_get_basic(&iter, &tty);
272
273 if (tty_is_vc(tty)) {
4d6d6518 274 int v;
98a28fef
LP		 275
276 if (!s)
277 s = m->vtconsole;
278 else if (s != m->vtconsole)
279 return -EINVAL;
280
4d6d6518
LP		 281 v = vtnr_from_tty(tty);
282
283 if (v <= 0)
284 return v < 0 ? v : -EINVAL;
98a28fef
LP		 285
286 if (vtnr <= 0)
4d6d6518
LP		 287 vtnr = (uint32_t) v;
288 else if (vtnr != (uint32_t) v)
289 return -EINVAL;
98a28fef 290
bf100920 291 } else if (!isempty(tty) && s && seat_is_vtconsole(s))
98a28fef
LP		 292 return -EINVAL;
293
4d6d6518
LP		 294 if (s) {
295 if (seat_is_vtconsole(s)) {
296 if (vtnr <= 0 || vtnr > 63)
297 return -EINVAL;
298 } else {
299 if (vtnr > 0)
300 return -EINVAL;
301 }
302 }
303
98a28fef
LP		 304 if (!dbus_message_iter_next(&iter) ||
305 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
306 return -EINVAL;
307
308 dbus_message_iter_get_basic(&iter, &display);
309
310 if (!dbus_message_iter_next(&iter) ||
311 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN)
312 return -EINVAL;
313
314 dbus_message_iter_get_basic(&iter, &remote);
315
316 if (!dbus_message_iter_next(&iter) ||
317 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
318 return -EINVAL;
319
320 dbus_message_iter_get_basic(&iter, &remote_user);
321
322 if (!dbus_message_iter_next(&iter) ||
323 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
324 return -EINVAL;
325
326 dbus_message_iter_get_basic(&iter, &remote_host);
327
328 if (!dbus_message_iter_next(&iter) ||
329 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
330 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
331 return -EINVAL;
332
333 r = bus_parse_strv_iter(&iter, &controllers);
334 if (r < 0)
335 return -EINVAL;
336
25d93491
LP		 337 if (strv_contains(controllers, "systemd") ||
338 !dbus_message_iter_next(&iter) ||
98a28fef
LP		 339 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
340 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) {
341 r = -EINVAL;
342 goto fail;
343 }
344
345 r = bus_parse_strv_iter(&iter, &reset_controllers);
346 if (r < 0)
347 goto fail;
348
25d93491
LP		 349 if (strv_contains(reset_controllers, "systemd") ||
350 !dbus_message_iter_next(&iter) ||
98a28fef
LP		 351 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
352 r = -EINVAL;
353 goto fail;
354 }
355
356 dbus_message_iter_get_basic(&iter, &kill_processes);
357
358 r = manager_add_user_by_uid(m, uid, &user);
359 if (r < 0)
360 goto fail;
361
362 audit_session_from_pid(leader, &audit_id);
363
07714753 364 if (audit_id > 0) {
98a28fef 365 asprintf(&id, "%lu", (unsigned long) audit_id);
98a28fef 366
07714753
LP		 367 if (!id) {
368 r = -ENOMEM;
369 goto fail;
370 }
98a28fef 371
21c390cc
LP		 372 session = hashmap_get(m->sessions, id);
373
374 if (session) {
375
932e3ee7
LP		 376 fifo_fd = session_create_fifo(session);
377 if (fifo_fd < 0) {
378 r = fifo_fd;
379 goto fail;
380 }
381
21c390cc
LP		 382 /* Session already exists, client is probably
383 * something like "su" which changes uid but
384 * is still the same audit session */
385
386 reply = dbus_message_new_method_return(message);
387 if (!reply) {
388 r = -ENOMEM;
389 goto fail;
390 }
391
21c390cc
LP		 392 p = session_bus_path(session);
393 if (!p) {
394 r = -ENOMEM;
395 goto fail;
396 }
397
398 b = dbus_message_append_args(
399 reply,
400 DBUS_TYPE_STRING, &session->id,
401 DBUS_TYPE_OBJECT_PATH, &p,
402 DBUS_TYPE_STRING, &session->user->runtime_path,
932e3ee7 403 DBUS_TYPE_UNIX_FD, &fifo_fd,
21c390cc
LP		 404 DBUS_TYPE_INVALID);
405 free(p);
406
407 if (!b) {
408 r = -ENOMEM;
409 goto fail;
410 }
411
932e3ee7 412 close_nointr_nofail(fifo_fd);
21c390cc
LP		 413 *_reply = reply;
414
415 return 0;
07714753
LP		 416 }
417
418 } else {
419 do {
420 free(id);
421 asprintf(&id, "c%lu", ++m->session_counter);
422
423 if (!id) {
424 r = -ENOMEM;
425 goto fail;
426 }
427
428 } while (hashmap_get(m->sessions, id));
98a28fef
LP		 429 }
430
431 r = manager_add_session(m, user, id, &session);
432 free(id);
433 if (r < 0)
434 goto fail;
435
436 session->leader = leader;
437 session->audit_id = audit_id;
438 session->type = t;
439 session->remote = remote;
440 session->controllers = controllers;
441 session->reset_controllers = reset_controllers;
442 session->kill_processes = kill_processes;
443 session->vtnr = vtnr;
444
445 controllers = reset_controllers = NULL;
446
447 if (!isempty(tty)) {
448 session->tty = strdup(tty);
449 if (!session->tty) {
450 r = -ENOMEM;
451 goto fail;
452 }
453 }
454
455 if (!isempty(display)) {
456 session->display = strdup(display);
457 if (!session->display) {
458 r = -ENOMEM;
459 goto fail;
460 }
461 }
462
463 if (!isempty(remote_user)) {
464 session->remote_user = strdup(remote_user);
465 if (!session->remote_user) {
466 r = -ENOMEM;
467 goto fail;
468 }
469 }
470
471 if (!isempty(remote_host)) {
472 session->remote_host = strdup(remote_host);
473 if (!session->remote_host) {
474 r = -ENOMEM;
475 goto fail;
476 }
477 }
478
479 if (!isempty(service)) {
480 session->service = strdup(service);
481 if (!session->service) {
482 r = -ENOMEM;
483 goto fail;
484 }
485 }
486
932e3ee7
LP		 487 fifo_fd = session_create_fifo(session);
488 if (fifo_fd < 0) {
489 r = fifo_fd;
98a28fef
LP		 490 goto fail;
491 }
492
98a28fef
LP		 493 if (s) {
494 r = seat_attach_session(s, session);
495 if (r < 0)
496 goto fail;
497 }
498
499 r = session_start(session);
500 if (r < 0)
501 goto fail;
502
503 reply = dbus_message_new_method_return(message);
504 if (!reply) {
505 r = -ENOMEM;
506 goto fail;
507 }
508
509 p = session_bus_path(session);
510 if (!p) {
511 r = -ENOMEM;
512 goto fail;
513 }
514
515 b = dbus_message_append_args(
516 reply,
517 DBUS_TYPE_STRING, &session->id,
518 DBUS_TYPE_OBJECT_PATH, &p,
519 DBUS_TYPE_STRING, &session->user->runtime_path,
932e3ee7 520 DBUS_TYPE_UNIX_FD, &fifo_fd,
98a28fef
LP		 521 DBUS_TYPE_INVALID);
522 free(p);
523
524 if (!b) {
525 r = -ENOMEM;
526 goto fail;
527 }
528
932e3ee7 529 close_nointr_nofail(fifo_fd);
98a28fef
LP		 530 *_reply = reply;
531
532 return 0;
533
534fail:
535 strv_free(controllers);
536 strv_free(reset_controllers);
537
538 if (session)
539 session_add_to_gc_queue(session);
540
541 if (user)
542 user_add_to_gc_queue(user);
543
932e3ee7
LP		 544 if (fifo_fd >= 0)
545 close_nointr_nofail(fifo_fd);
98a28fef
LP		 546
547 if (reply)
548 dbus_message_unref(reply);
549
550 return r;
551}
552
2eb916cd 553static int trigger_device(Manager *m, struct udev_device *d) {
b668e064
LP		 554 struct udev_enumerate *e;
555 struct udev_list_entry *first, *item;
556 int r;
557
558 assert(m);
559
560 e = udev_enumerate_new(m->udev);
561 if (!e) {
562 r = -ENOMEM;
563 goto finish;
564 }
565
2eb916cd
LP		 566 if (d) {
567 if (udev_enumerate_add_match_parent(e, d) < 0) {
568 r = -EIO;
569 goto finish;
570 }
571 }
572
573
b668e064
LP		 574 if (udev_enumerate_scan_devices(e) < 0) {
575 r = -EIO;
576 goto finish;
577 }
578
579 first = udev_enumerate_get_list_entry(e);
580 udev_list_entry_foreach(item, first) {
581 char *t;
582 const char *p;
583
584 p = udev_list_entry_get_name(item);
585
b668e064
LP		 586 t = strappend(p, "/uevent");
587 if (!t) {
588 r = -ENOMEM;
589 goto finish;
590 }
591
592 write_one_line_file(t, "change");
593 free(t);
594 }
595
596 r = 0;
597
598finish:
599 if (e)
600 udev_enumerate_unref(e);
601
602 return r;
603}
604
47a26690
LP		 605static int attach_device(Manager *m, const char *seat, const char *sysfs) {
606 struct udev_device *d;
607 char *rule = NULL, *file = NULL;
c28fa3d3 608 const char *id_for_seat;
47a26690
LP		 609 int r;
610
611 assert(m);
612 assert(seat);
613 assert(sysfs);
614
615 d = udev_device_new_from_syspath(m->udev, sysfs);
616 if (!d)
617 return -ENODEV;
618
309c2a2c 619 if (!udev_device_has_tag(d, "seat")) {
47a26690
LP		 620 r = -ENODEV;
621 goto finish;
622 }
623
c28fa3d3
LP		 624 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
625 if (!id_for_seat) {
47a26690
LP		 626 r = -ENODEV;
627 goto finish;
628 }
629
c28fa3d3 630 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) {
47a26690
LP		 631 r = -ENOMEM;
632 goto finish;
633 }
634
c28fa3d3 635 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) {
47a26690
LP		 636 r = -ENOMEM;
637 goto finish;
638 }
639
c28fa3d3 640 mkdir_p("/etc/udev/rules.d", 0755);
b5ef5549 641 r = write_one_line_file_atomic(file, rule);
a0a0c7f1
LP		 642 if (r < 0)
643 goto finish;
644
2eb916cd 645 r = trigger_device(m, d);
47a26690
LP		 646
647finish:
648 free(rule);
649 free(file);
650
651 if (d)
652 udev_device_unref(d);
653
654 return r;
655}
656
b668e064
LP		 657static int flush_devices(Manager *m) {
658 DIR *d;
659
660 assert(m);
661
662 d = opendir("/etc/udev/rules.d");
663 if (!d) {
664 if (errno != ENOENT)
665 log_warning("Failed to open /etc/udev/rules.d: %m");
666 } else {
667 struct dirent *de;
668
669 while ((de = readdir(d))) {
670
671 if (!dirent_is_file(de))
672 continue;
673
674 if (!startswith(de->d_name, "72-seat-"))
675 continue;
676
677 if (!endswith(de->d_name, ".rules"))
678 continue;
679
680 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
681 log_warning("Failed to unlink %s: %m", de->d_name);
682 }
683
684 closedir(d);
685 }
686
687 return trigger_device(m, NULL);
688}
689
3f49d45a
LP		 690static DBusHandlerResult manager_message_handler(
691 DBusConnection *connection,
692 DBusMessage *message,
693 void *userdata) {
694
695 Manager *m = userdata;
696
697 const BusProperty properties[] = {
a185c5aa
LP		 698 { "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
699 { "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
193197e8 700 { "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
a185c5aa
LP		 701 { "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
702 { "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
703 { "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
704 { "org.freedesktop.login1.Manager", "KillUserProcesses", bus_property_append_bool, "b", &m->kill_user_processes },
705 { "org.freedesktop.login1.Manager", "IdleHint", bus_manager_append_idle_hint, "b", m },
706 { "org.freedesktop.login1.Manager", "IdleSinceHint", bus_manager_append_idle_hint_since, "t", m },
707 { "org.freedesktop.login1.Manager", "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", m },
3f49d45a
LP		 708 { NULL, NULL, NULL, NULL, NULL }
709 };
710
711 DBusError error;
712 DBusMessage *reply = NULL;
bef422ae 713 int r;
3f49d45a
LP		 714
715 assert(connection);
716 assert(message);
717 assert(m);
718
719 dbus_error_init(&error);
720
bef422ae
LP		 721 if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) {
722 const char *name;
723 char *p;
724 Session *session;
725 bool b;
726
727 if (!dbus_message_get_args(
728 message,
729 &error,
730 DBUS_TYPE_STRING, &name,
731 DBUS_TYPE_INVALID))
732 return bus_send_error_reply(connection, message, &error, -EINVAL);
733
734 session = hashmap_get(m->sessions, name);
735 if (!session)
736 return bus_send_error_reply(connection, message, &error, -ENOENT);
737
738 reply = dbus_message_new_method_return(message);
739 if (!reply)
740 goto oom;
741
742 p = session_bus_path(session);
743 if (!p)
744 goto oom;
745
746 b = dbus_message_append_args(
747 reply,
748 DBUS_TYPE_OBJECT_PATH, &p,
749 DBUS_TYPE_INVALID);
750 free(p);
751
752 if (!b)
753 goto oom;
754
755 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) {
756 uint32_t uid;
757 char *p;
758 User *user;
759 bool b;
760
761 if (!dbus_message_get_args(
762 message,
763 &error,
764 DBUS_TYPE_UINT32, &uid,
765 DBUS_TYPE_INVALID))
766 return bus_send_error_reply(connection, message, &error, -EINVAL);
767
768 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
769 if (!user)
770 return bus_send_error_reply(connection, message, &error, -ENOENT);
771
772 reply = dbus_message_new_method_return(message);
773 if (!reply)
774 goto oom;
775
776 p = user_bus_path(user);
777 if (!p)
778 goto oom;
779
780 b = dbus_message_append_args(
781 reply,
782 DBUS_TYPE_OBJECT_PATH, &p,
783 DBUS_TYPE_INVALID);
784 free(p);
785
786 if (!b)
787 goto oom;
788
789 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) {
790 const char *name;
791 char *p;
792 Seat *seat;
793 bool b;
794
795 if (!dbus_message_get_args(
796 message,
797 &error,
798 DBUS_TYPE_STRING, &name,
799 DBUS_TYPE_INVALID))
800 return bus_send_error_reply(connection, message, &error, -EINVAL);
801
802 seat = hashmap_get(m->seats, name);
803 if (!seat)
804 return bus_send_error_reply(connection, message, &error, -ENOENT);
805
806 reply = dbus_message_new_method_return(message);
807 if (!reply)
808 goto oom;
809
810 p = seat_bus_path(seat);
811 if (!p)
812 goto oom;
813
814 b = dbus_message_append_args(
815 reply,
816 DBUS_TYPE_OBJECT_PATH, &p,
817 DBUS_TYPE_INVALID);
818 free(p);
819
820 if (!b)
821 goto oom;
822
e1c9c2d5
LP		 823 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) {
824 char *p;
825 Session *session;
826 Iterator i;
827 DBusMessageIter iter, sub;
828 const char *empty = "";
829
830 reply = dbus_message_new_method_return(message);
831 if (!reply)
832 goto oom;
833
834 dbus_message_iter_init_append(reply, &iter);
835
dec15e92 836 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub))
e1c9c2d5
LP		 837 goto oom;
838
839 HASHMAP_FOREACH(session, m->sessions, i) {
840 DBusMessageIter sub2;
841 uint32_t uid;
842
843 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
844 goto oom;
845
846 uid = session->user->uid;
847
848 p = session_bus_path(session);
849 if (!p)
850 goto oom;
851
852 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) ||
853 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
854 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) ||
855 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) ||
856 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
857 free(p);
858 goto oom;
859 }
860
861 free(p);
862
863 if (!dbus_message_iter_close_container(&sub, &sub2))
864 goto oom;
865 }
866
867 if (!dbus_message_iter_close_container(&iter, &sub))
868 goto oom;
869
870 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) {
871 char *p;
872 User *user;
873 Iterator i;
874 DBusMessageIter iter, sub;
875
876 reply = dbus_message_new_method_return(message);
877 if (!reply)
878 goto oom;
879
880 dbus_message_iter_init_append(reply, &iter);
881
dec15e92 882 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub))
e1c9c2d5
LP		 883 goto oom;
884
885 HASHMAP_FOREACH(user, m->users, i) {
886 DBusMessageIter sub2;
887 uint32_t uid;
888
889 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
890 goto oom;
891
892 uid = user->uid;
893
894 p = user_bus_path(user);
895 if (!p)
896 goto oom;
897
898 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
899 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) ||
900 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
901 free(p);
902 goto oom;
903 }
904
905 free(p);
906
907 if (!dbus_message_iter_close_container(&sub, &sub2))
908 goto oom;
909 }
910
911 if (!dbus_message_iter_close_container(&iter, &sub))
912 goto oom;
913
914 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) {
915 char *p;
916 Seat *seat;
917 Iterator i;
918 DBusMessageIter iter, sub;
919
920 reply = dbus_message_new_method_return(message);
921 if (!reply)
922 goto oom;
923
924 dbus_message_iter_init_append(reply, &iter);
925
dec15e92 926 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub))
e1c9c2d5
LP		 927 goto oom;
928
929 HASHMAP_FOREACH(seat, m->seats, i) {
930 DBusMessageIter sub2;
931
932 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
933 goto oom;
934
935 p = seat_bus_path(seat);
936 if (!p)
937 goto oom;
938
939 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) ||
940 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
941 free(p);
942 goto oom;
943 }
944
945 free(p);
946
947 if (!dbus_message_iter_close_container(&sub, &sub2))
948 goto oom;
949 }
950
951 if (!dbus_message_iter_close_container(&iter, &sub))
952 goto oom;
953
98a28fef
LP		 954 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
955
956 r = bus_manager_create_session(m, message, &reply);
957 if (r == -ENOMEM)
958 goto oom;
959
960 if (r < 0)
961 return bus_send_error_reply(connection, message, &error, r);
962
bef422ae
LP		 963 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) {
964 const char *name;
965 Session *session;
966
967 if (!dbus_message_get_args(
968 message,
969 &error,
970 DBUS_TYPE_STRING, &name,
971 DBUS_TYPE_INVALID))
972 return bus_send_error_reply(connection, message, &error, -EINVAL);
973
974 session = hashmap_get(m->sessions, name);
975 if (!session)
976 return bus_send_error_reply(connection, message, &error, -ENOENT);
977
978 r = session_activate(session);
979 if (r < 0)
980 return bus_send_error_reply(connection, message, NULL, r);
981
982 reply = dbus_message_new_method_return(message);
983 if (!reply)
984 goto oom;
985
88e3dc90
LP		 986 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") ||
987 dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) {
988 const char *name;
989 Session *session;
990
991 if (!dbus_message_get_args(
992 message,
993 &error,
994 DBUS_TYPE_STRING, &name,
995 DBUS_TYPE_INVALID))
996 return bus_send_error_reply(connection, message, &error, -EINVAL);
997
998 session = hashmap_get(m->sessions, name);
999 if (!session)
1000 return bus_send_error_reply(connection, message, &error, -ENOENT);
1001
1002 if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0)
1003 goto oom;
1004
1005 reply = dbus_message_new_method_return(message);
1006 if (!reply)
1007 goto oom;
1008
de07ab16
LP		 1009 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) {
1010 const char *swho;
1011 int32_t signo;
1012 KillWho who;
1013 const char *name;
1014 Session *session;
1015
1016 if (!dbus_message_get_args(
1017 message,
1018 &error,
1019 DBUS_TYPE_STRING, &name,
1020 DBUS_TYPE_STRING, &swho,
1021 DBUS_TYPE_INT32, &signo,
1022 DBUS_TYPE_INVALID))
1023 return bus_send_error_reply(connection, message, &error, -EINVAL);
1024
1025 if (isempty(swho))
1026 who = KILL_ALL;
1027 else {
1028 who = kill_who_from_string(swho);
1029 if (who < 0)
1030 return bus_send_error_reply(connection, message, &error, -EINVAL);
1031 }
1032
1033 if (signo <= 0 || signo >= _NSIG)
1034 return bus_send_error_reply(connection, message, &error, -EINVAL);
1035
1036 session = hashmap_get(m->sessions, name);
1037 if (!session)
1038 return bus_send_error_reply(connection, message, &error, -ENOENT);
1039
1040 r = session_kill(session, who, signo);
1041 if (r < 0)
1042 return bus_send_error_reply(connection, message, NULL, r);
1043
1044 reply = dbus_message_new_method_return(message);
1045 if (!reply)
1046 goto oom;
1047
1048 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) {
1049 uint32_t uid;
1050 User *user;
1051 int32_t signo;
1052
1053 if (!dbus_message_get_args(
1054 message,
1055 &error,
1056 DBUS_TYPE_UINT32, &uid,
1057 DBUS_TYPE_INT32, &signo,
1058 DBUS_TYPE_INVALID))
1059 return bus_send_error_reply(connection, message, &error, -EINVAL);
1060
1061 if (signo <= 0 || signo >= _NSIG)
1062 return bus_send_error_reply(connection, message, &error, -EINVAL);
1063
1064 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
1065 if (!user)
1066 return bus_send_error_reply(connection, message, &error, -ENOENT);
1067
1068 r = user_kill(user, signo);
1069 if (r < 0)
1070 return bus_send_error_reply(connection, message, NULL, r);
1071
1072 reply = dbus_message_new_method_return(message);
1073 if (!reply)
1074 goto oom;
1075
bef422ae
LP		 1076 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) {
1077 const char *name;
1078 Session *session;
1079
1080 if (!dbus_message_get_args(
1081 message,
1082 &error,
1083 DBUS_TYPE_STRING, &name,
1084 DBUS_TYPE_INVALID))
1085 return bus_send_error_reply(connection, message, &error, -EINVAL);
1086
1087 session = hashmap_get(m->sessions, name);
1088 if (!session)
1089 return bus_send_error_reply(connection, message, &error, -ENOENT);
1090
1091 r = session_stop(session);
1092 if (r < 0)
1093 return bus_send_error_reply(connection, message, NULL, r);
1094
1095 reply = dbus_message_new_method_return(message);
1096 if (!reply)
1097 goto oom;
1098
1099 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) {
1100 uint32_t uid;
1101 User *user;
1102
1103 if (!dbus_message_get_args(
1104 message,
1105 &error,
1106 DBUS_TYPE_UINT32, &uid,
1107 DBUS_TYPE_INVALID))
1108 return bus_send_error_reply(connection, message, &error, -EINVAL);
1109
1110 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
1111 if (!user)
1112 return bus_send_error_reply(connection, message, &error, -ENOENT);
1113
1114 r = user_stop(user);
1115 if (r < 0)
1116 return bus_send_error_reply(connection, message, NULL, r);
1117
1118 reply = dbus_message_new_method_return(message);
1119 if (!reply)
1120 goto oom;
1121
1122 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) {
1123 const char *name;
1124 Seat *seat;
1125
1126 if (!dbus_message_get_args(
1127 message,
1128 &error,
1129 DBUS_TYPE_STRING, &name,
1130 DBUS_TYPE_INVALID))
1131 return bus_send_error_reply(connection, message, &error, -EINVAL);
1132
1133 seat = hashmap_get(m->seats, name);
1134 if (!seat)
1135 return bus_send_error_reply(connection, message, &error, -ENOENT);
1136
1137 r = seat_stop_sessions(seat);
1138 if (r < 0)
1139 return bus_send_error_reply(connection, message, NULL, r);
1140
1141 reply = dbus_message_new_method_return(message);
1142 if (!reply)
1143 goto oom;
1144
7f7bb946
LP		 1145 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) {
1146 uint32_t uid;
1147 struct passwd *pw;
1148 dbus_bool_t b, interactive;
1149 char *path;
1150
1151 if (!dbus_message_get_args(
1152 message,
1153 &error,
1154 DBUS_TYPE_UINT32, &uid,
1155 DBUS_TYPE_BOOLEAN, &b,
1156 DBUS_TYPE_BOOLEAN, &interactive,
1157 DBUS_TYPE_INVALID))
1158 return bus_send_error_reply(connection, message, &error, -EINVAL);
1159
1160 errno = 0;
1161 pw = getpwuid(uid);
1162 if (!pw)
1163 return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL);
1164
1165 r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, &error);
1166 if (r < 0)
1167 return bus_send_error_reply(connection, message, &error, r);
1168
1169 r = safe_mkdir("/var/lib/systemd/linger", 0755, 0, 0);
1170 if (r < 0)
1171 return bus_send_error_reply(connection, message, &error, r);
1172
1173 path = strappend("/var/lib/systemd/linger/", pw->pw_name);
1174 if (!path)
1175 goto oom;
1176
1177 if (b) {
38f3fc7d
LP		 1178 User *u;
1179
7f7bb946
LP		 1180 r = touch(path);
1181 free(path);
1182
1183 if (r < 0)
1184 return bus_send_error_reply(connection, message, &error, r);
38f3fc7d
LP		 1185
1186 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1187 user_start(u);
1188
7f7bb946 1189 } else {
38f3fc7d
LP		 1190 User *u;
1191
7f7bb946
LP		 1192 r = unlink(path);
1193 free(path);
1194
1195 if (r < 0 && errno != ENOENT)
1196 return bus_send_error_reply(connection, message, &error, -errno);
38f3fc7d
LP		 1197
1198 u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
1199 if (u)
1200 user_add_to_gc_queue(u);
7f7bb946
LP		 1201 }
1202
1203 reply = dbus_message_new_method_return(message);
1204 if (!reply)
1205 goto oom;
1206
47a26690
LP		 1207 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) {
1208 const char *sysfs, *seat;
1209 dbus_bool_t interactive;
1210
1211 if (!dbus_message_get_args(
1212 message,
1213 &error,
1214 DBUS_TYPE_STRING, &seat,
1215 DBUS_TYPE_STRING, &sysfs,
1216 DBUS_TYPE_BOOLEAN, &interactive,
1217 DBUS_TYPE_INVALID))
1218 return bus_send_error_reply(connection, message, &error, -EINVAL);
1219
1220 if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat))
1221 return bus_send_error_reply(connection, message, NULL, -EINVAL);
1222
1223 r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, &error);
1224 if (r < 0)
1225 return bus_send_error_reply(connection, message, &error, r);
1226
1227 r = attach_device(m, seat, sysfs);
1228 if (r < 0)
1229 return bus_send_error_reply(connection, message, NULL, -EINVAL);
1230
1231 reply = dbus_message_new_method_return(message);
1232 if (!reply)
1233 goto oom;
7f7bb946 1234
b668e064
LP		 1235
1236 } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) {
1237 dbus_bool_t interactive;
1238
1239 if (!dbus_message_get_args(
1240 message,
1241 &error,
1242 DBUS_TYPE_BOOLEAN, &interactive,
1243 DBUS_TYPE_INVALID))
1244 return bus_send_error_reply(connection, message, &error, -EINVAL);
1245
1246 r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, &error);
1247 if (r < 0)
1248 return bus_send_error_reply(connection, message, &error, r);
1249
1250 r = flush_devices(m);
1251 if (r < 0)
1252 return bus_send_error_reply(connection, message, NULL, -EINVAL);
1253
1254 reply = dbus_message_new_method_return(message);
1255 if (!reply)
1256 goto oom;
1257
bef422ae 1258 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
3f49d45a
LP		 1259 char *introspection = NULL;
1260 FILE *f;
1261 Iterator i;
1262 Session *session;
1263 Seat *seat;
1264 User *user;
1265 size_t size;
1266 char *p;
1267
1268 if (!(reply = dbus_message_new_method_return(message)))
1269 goto oom;
1270
1271 /* We roll our own introspection code here, instead of
1272 * relying on bus_default_message_handler() because we
1273 * need to generate our introspection string
1274 * dynamically. */
1275
1276 if (!(f = open_memstream(&introspection, &size)))
1277 goto oom;
1278
1279 fputs(INTROSPECTION_BEGIN, f);
1280
1281 HASHMAP_FOREACH(seat, m->seats, i) {
1282 p = bus_path_escape(seat->id);
1283
1284 if (p) {
1285 fprintf(f, "<node name=\"seat/%s\"/>", p);
1286 free(p);
1287 }
1288 }
1289
1290 HASHMAP_FOREACH(user, m->users, i)
1291 fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
1292
1293 HASHMAP_FOREACH(session, m->sessions, i) {
1294 p = bus_path_escape(session->id);
1295
1296 if (p) {
1297 fprintf(f, "<node name=\"session/%s\"/>", p);
1298 free(p);
1299 }
1300 }
1301
1302 fputs(INTROSPECTION_END, f);
1303
1304 if (ferror(f)) {
1305 fclose(f);
1306 free(introspection);
1307 goto oom;
1308 }
1309
1310 fclose(f);
1311
1312 if (!introspection)
1313 goto oom;
1314
1315 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
1316 free(introspection);
1317 goto oom;
1318 }
1319
1320 free(introspection);
1321 } else
1322 return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, properties);
1323
1324 if (reply) {
1325 if (!dbus_connection_send(connection, reply, NULL))
1326 goto oom;
1327
1328 dbus_message_unref(reply);
1329 }
1330
1331 return DBUS_HANDLER_RESULT_HANDLED;
1332
1333oom:
1334 if (reply)
1335 dbus_message_unref(reply);
1336
1337 dbus_error_free(&error);
1338
1339 return DBUS_HANDLER_RESULT_NEED_MEMORY;
1340}
1341
1342const DBusObjectPathVTable bus_manager_vtable = {
1343 .message_function = manager_message_handler
1344};
9418f147 1345
1713813d
LP		 1346DBusHandlerResult bus_message_filter(
1347 DBusConnection *connection,
1348 DBusMessage *message,
1349 void *userdata) {
1350
1351 Manager *m = userdata;
1352 DBusError error;
1353
1354 assert(m);
1355 assert(connection);
1356 assert(message);
1357
1358 dbus_error_init(&error);
1359
1360 if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) {
1361 const char *cgroup;
1362
1363 if (!dbus_message_get_args(message, &error,
1364 DBUS_TYPE_STRING, &cgroup,
1365 DBUS_TYPE_INVALID))
1366 log_error("Failed to parse Released message: %s", bus_error_message(&error));
1367 else
1368 manager_cgroup_notify_empty(m, cgroup);
1369 }
1370
1371 dbus_error_free(&error);
1372
1373 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1374}
1375
9418f147
LP		 1376int manager_send_changed(Manager *manager, const char *properties) {
1377 DBusMessage *m;
1378 int r = -ENOMEM;
1379
1380 assert(manager);
1381
1382 m = bus_properties_changed_new("/org/freedesktop/login1", "org.freedesktop.login1.Manager", properties);
1383 if (!m)
1384 goto finish;
1385
1386 if (!dbus_connection_send(manager->bus, m, NULL))
1387 goto finish;
1388
1389 r = 0;
1390
1391finish:
1392 if (m)
1393 dbus_message_unref(m);
1394
1395 return r;
1396}
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