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logind: fix printf format
[thirdparty/systemd.git] / src / login / logind-dbus.c
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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
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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
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11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5430f7f2 16 Lesser General Public License for more details.
3f49d45a 17
5430f7f2 18 You should have received a copy of the GNU Lesser General Public License
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19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
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LP
22#include <errno.h>
23#include <string.h>
98a28fef 24#include <unistd.h>
7f7bb946 25#include <pwd.h>
adacb957 26#include <sys/capability.h>
a185c5aa 27
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LP
28#include "sd-id128.h"
29#include "sd-messages.h"
98a28fef 30#include "strv.h"
49e942b2 31#include "mkdir.h"
9eb977db 32#include "path-util.h"
55af3897 33#include "special.h"
19adb8a3 34#include "sleep-config.h"
a5c32cff
HH
35#include "fileio-label.h"
36#include "label.h"
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LP
37#include "utf8.h"
38#include "unit-name.h"
fb6becb4 39#include "virt.h"
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LP
40#include "audit.h"
41#include "bus-util.h"
42#include "bus-error.h"
43#include "logind.h"
718db961 44#include "bus-errors.h"
06acf2d4 45#include "udev-util.h"
3f49d45a 46
cc377381
LP
47static int property_get_idle_hint(
48 sd_bus *bus,
49 const char *path,
50 const char *interface,
51 const char *property,
52 sd_bus_message *reply,
ebcf1f97
LP
53 void *userdata,
54 sd_bus_error *error) {
a185c5aa 55
cc377381 56 Manager *m = userdata;
a185c5aa 57
cc377381
LP
58 assert(bus);
59 assert(reply);
60 assert(m);
61
62 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
a185c5aa
LP
63}
64
cc377381
LP
65static int property_get_idle_since_hint(
66 sd_bus *bus,
67 const char *path,
68 const char *interface,
69 const char *property,
70 sd_bus_message *reply,
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LP
71 void *userdata,
72 sd_bus_error *error) {
cc377381
LP
73
74 Manager *m = userdata;
a185c5aa 75 dual_timestamp t;
a185c5aa 76
cc377381
LP
77 assert(bus);
78 assert(reply);
a185c5aa
LP
79 assert(m);
80
81 manager_get_idle_hint(m, &t);
a185c5aa 82
cc377381 83 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
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LP
84}
85
cc377381
LP
86static int property_get_inhibited(
87 sd_bus *bus,
88 const char *path,
89 const char *interface,
90 const char *property,
91 sd_bus_message *reply,
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LP
92 void *userdata,
93 sd_bus_error *error) {
cc377381
LP
94
95 Manager *m = userdata;
f8e2fb7b 96 InhibitWhat w;
f8e2fb7b 97
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LP
98 assert(bus);
99 assert(reply);
100 assert(m);
f8e2fb7b 101
cc377381 102 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
f8e2fb7b 103
cc377381 104 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
f8e2fb7b
LP
105}
106
cc377381
LP
107static int property_get_preparing(
108 sd_bus *bus,
109 const char *path,
110 const char *interface,
111 const char *property,
112 sd_bus_message *reply,
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LP
113 void *userdata,
114 sd_bus_error *error) {
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LP
115
116 Manager *m = userdata;
117 bool b;
5e4a79da 118
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LP
119 assert(bus);
120 assert(reply);
121 assert(m);
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LP
122
123 if (streq(property, "PreparingForShutdown"))
314b4b0a 124 b = !!(m->action_what & INHIBIT_SHUTDOWN);
5e4a79da 125 else
314b4b0a 126 b = !!(m->action_what & INHIBIT_SLEEP);
5e4a79da 127
cc377381 128 return sd_bus_message_append(reply, "b", b);
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LP
129}
130
cc377381 131static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
fb6becb4 132
ebcf1f97 133static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
134 _cleanup_free_ char *p = NULL;
135 Manager *m = userdata;
136 const char *name;
137 Session *session;
138 int r;
139
140 assert(bus);
141 assert(message);
142 assert(m);
143
144 r = sd_bus_message_read(message, "s", &name);
145 if (r < 0)
ebcf1f97 146 return r;
cc377381
LP
147
148 session = hashmap_get(m->sessions, name);
149 if (!session)
ebcf1f97 150 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381
LP
151
152 p = session_bus_path(session);
153 if (!p)
ebcf1f97 154 return -ENOMEM;
cc377381 155
df2d202e 156 return sd_bus_reply_method_return(message, "o", p);
cc377381
LP
157}
158
ebcf1f97 159static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 160 _cleanup_free_ char *p = NULL;
954449b8 161 Session *session = NULL;
cc377381 162 Manager *m = userdata;
4e724d9c 163 pid_t pid;
cc377381
LP
164 int r;
165
166 assert(bus);
167 assert(message);
168 assert(m);
169
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LP
170 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
171
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LP
172 r = sd_bus_message_read(message, "u", &pid);
173 if (r < 0)
ebcf1f97 174 return r;
cc377381 175
4e724d9c 176 if (pid == 0) {
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LP
177 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
178
179 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
180 if (r < 0)
181 return r;
182
183 r = sd_bus_creds_get_pid(creds, &pid);
4e724d9c 184 if (r < 0)
ebcf1f97 185 return r;
4e724d9c
LP
186 }
187
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LP
188 r = manager_get_session_by_pid(m, pid, &session);
189 if (r < 0)
ebcf1f97 190 return r;
cc377381 191 if (!session)
ebcf1f97 192 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID %lu does not belong to any known session", (unsigned long) pid);
cc377381
LP
193
194 p = session_bus_path(session);
195 if (!p)
ebcf1f97 196 return -ENOMEM;
cc377381 197
df2d202e 198 return sd_bus_reply_method_return(message, "o", p);
cc377381
LP
199}
200
ebcf1f97 201static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
202 _cleanup_free_ char *p = NULL;
203 Manager *m = userdata;
204 uint32_t uid;
205 User *user;
206 int r;
207
208 assert(bus);
209 assert(message);
210 assert(m);
211
212 r = sd_bus_message_read(message, "u", &uid);
213 if (r < 0)
ebcf1f97 214 return r;
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LP
215
216 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
217 if (!user)
ebcf1f97 218 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
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LP
219
220 p = user_bus_path(user);
221 if (!p)
ebcf1f97 222 return -ENOMEM;
cc377381 223
df2d202e 224 return sd_bus_reply_method_return(message, "o", p);
cc377381
LP
225}
226
ebcf1f97 227static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
228 _cleanup_free_ char *p = NULL;
229 Manager *m = userdata;
954449b8 230 User *user = NULL;
4e724d9c 231 pid_t pid;
fb6becb4 232 int r;
98a28fef 233
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LP
234 assert(bus);
235 assert(message);
98a28fef 236 assert(m);
cc377381 237
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LP
238 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
239
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LP
240 r = sd_bus_message_read(message, "u", &pid);
241 if (r < 0)
ebcf1f97 242 return r;
cc377381 243
4e724d9c 244 if (pid == 0) {
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LP
245 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
246
247 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
248 if (r < 0)
249 return r;
250
251 r = sd_bus_creds_get_pid(creds, &pid);
4e724d9c 252 if (r < 0)
ebcf1f97 253 return r;
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LP
254 }
255
cc377381
LP
256 r = manager_get_user_by_pid(m, pid, &user);
257 if (r < 0)
ebcf1f97 258 return r;
cc377381 259 if (!user)
ebcf1f97 260 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid);
cc377381
LP
261
262 p = user_bus_path(user);
263 if (!p)
ebcf1f97 264 return -ENOMEM;
cc377381 265
df2d202e 266 return sd_bus_reply_method_return(message, "o", p);
cc377381
LP
267}
268
ebcf1f97 269static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
270 _cleanup_free_ char *p = NULL;
271 Manager *m = userdata;
272 const char *name;
273 Seat *seat;
274 int r;
275
276 assert(bus);
98a28fef 277 assert(message);
cc377381 278 assert(m);
98a28fef 279
cc377381
LP
280 r = sd_bus_message_read(message, "s", &name);
281 if (r < 0)
ebcf1f97 282 return r;
98a28fef 283
cc377381
LP
284 seat = hashmap_get(m->seats, name);
285 if (!seat)
ebcf1f97 286 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
98a28fef 287
cc377381
LP
288 p = seat_bus_path(seat);
289 if (!p)
ebcf1f97 290 return -ENOMEM;
98a28fef 291
df2d202e 292 return sd_bus_reply_method_return(message, "o", p);
cc377381 293}
98a28fef 294
ebcf1f97 295static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
296 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
297 Manager *m = userdata;
298 Session *session;
299 Iterator i;
300 int r;
301
302 assert(bus);
303 assert(message);
304 assert(m);
98a28fef 305
df2d202e 306 r = sd_bus_message_new_method_return(message, &reply);
cc377381 307 if (r < 0)
ebcf1f97 308 return r;
98a28fef 309
cc377381
LP
310 r = sd_bus_message_open_container(reply, 'a', "(susso)");
311 if (r < 0)
ebcf1f97 312 return r;
cc377381
LP
313
314 HASHMAP_FOREACH(session, m->sessions, i) {
315 _cleanup_free_ char *p = NULL;
316
317 p = session_bus_path(session);
318 if (!p)
ebcf1f97 319 return -ENOMEM;
cc377381
LP
320
321 r = sd_bus_message_append(reply, "(susso)",
322 session->id,
323 (uint32_t) session->user->uid,
324 session->user->name,
325 session->seat ? session->seat->id : "",
326 p);
327 if (r < 0)
ebcf1f97 328 return r;
cc377381
LP
329 }
330
331 r = sd_bus_message_close_container(reply);
332 if (r < 0)
ebcf1f97 333 return r;
cc377381
LP
334
335 return sd_bus_send(bus, reply, NULL);
336}
337
ebcf1f97 338static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
339 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
340 Manager *m = userdata;
341 User *user;
342 Iterator i;
343 int r;
344
345 assert(bus);
346 assert(message);
347 assert(m);
348
df2d202e 349 r = sd_bus_message_new_method_return(message, &reply);
cc377381 350 if (r < 0)
ebcf1f97 351 return r;
cc377381
LP
352
353 r = sd_bus_message_open_container(reply, 'a', "(uso)");
354 if (r < 0)
ebcf1f97 355 return r;
cc377381
LP
356
357 HASHMAP_FOREACH(user, m->users, i) {
358 _cleanup_free_ char *p = NULL;
359
360 p = user_bus_path(user);
361 if (!p)
ebcf1f97 362 return -ENOMEM;
cc377381
LP
363
364 r = sd_bus_message_append(reply, "(uso)",
365 (uint32_t) user->uid,
366 user->name,
367 p);
368 if (r < 0)
ebcf1f97 369 return r;
cc377381
LP
370 }
371
372 r = sd_bus_message_close_container(reply);
373 if (r < 0)
ebcf1f97 374 return r;
cc377381
LP
375
376 return sd_bus_send(bus, reply, NULL);
377}
378
ebcf1f97 379static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
380 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
381 Manager *m = userdata;
382 Seat *seat;
383 Iterator i;
384 int r;
385
386 assert(bus);
387 assert(message);
388 assert(m);
389
df2d202e 390 r = sd_bus_message_new_method_return(message, &reply);
cc377381 391 if (r < 0)
ebcf1f97 392 return r;
cc377381
LP
393
394 r = sd_bus_message_open_container(reply, 'a', "(so)");
395 if (r < 0)
ebcf1f97 396 return r;
cc377381
LP
397
398 HASHMAP_FOREACH(seat, m->seats, i) {
399 _cleanup_free_ char *p = NULL;
400
401 p = seat_bus_path(seat);
402 if (!p)
ebcf1f97 403 return -ENOMEM;
cc377381 404
b8358bce 405 r = sd_bus_message_append(reply, "(so)", seat->id, p);
cc377381 406 if (r < 0)
ebcf1f97 407 return r;
cc377381
LP
408 }
409
410 r = sd_bus_message_close_container(reply);
411 if (r < 0)
ebcf1f97 412 return r;
cc377381
LP
413
414 return sd_bus_send(bus, reply, NULL);
415}
416
ebcf1f97 417static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
418 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
419 Manager *m = userdata;
420 Inhibitor *inhibitor;
421 Iterator i;
422 int r;
423
df2d202e 424 r = sd_bus_message_new_method_return(message, &reply);
cc377381 425 if (r < 0)
ebcf1f97 426 return r;
cc377381
LP
427
428 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
429 if (r < 0)
ebcf1f97 430 return r;
cc377381
LP
431
432 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
433
dbfa3fbb 434 r = sd_bus_message_append(reply, "(ssssuu)",
cc377381
LP
435 strempty(inhibit_what_to_string(inhibitor->what)),
436 strempty(inhibitor->who),
437 strempty(inhibitor->why),
438 strempty(inhibit_mode_to_string(inhibitor->mode)),
439 (uint32_t) inhibitor->uid,
440 (uint32_t) inhibitor->pid);
441 if (r < 0)
ebcf1f97 442 return r;
cc377381
LP
443 }
444
445 r = sd_bus_message_close_container(reply);
446 if (r < 0)
ebcf1f97 447 return r;
cc377381
LP
448
449 return sd_bus_send(bus, reply, NULL);
450}
451
ebcf1f97 452static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
a4cd87e9 453 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
cc377381
LP
454 uint32_t uid, leader, audit_id = 0;
455 _cleanup_free_ char *id = NULL;
456 Session *session = NULL;
457 Manager *m = userdata;
458 User *user = NULL;
459 Seat *seat = NULL;
460 int remote;
461 uint32_t vtnr = 0;
462 SessionType t;
463 SessionClass c;
464 int r;
465
466 assert(bus);
467 assert(message);
468 assert(m);
469
a4cd87e9 470 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
cc377381 471 if (r < 0)
ebcf1f97 472 return r;
cc377381
LP
473
474 if (leader == 1)
ebcf1f97 475 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
98a28fef 476
e2acb67b
LP
477 if (isempty(type))
478 t = _SESSION_TYPE_INVALID;
479 else {
480 t = session_type_from_string(type);
481 if (t < 0)
ebcf1f97 482 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
e2acb67b 483 }
98a28fef 484
55efac6c 485 if (isempty(class))
e2acb67b
LP
486 c = _SESSION_CLASS_INVALID;
487 else {
55efac6c 488 c = session_class_from_string(class);
e2acb67b 489 if (c < 0)
ebcf1f97 490 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
e2acb67b 491 }
55efac6c 492
a4cd87e9
LP
493 if (isempty(desktop))
494 desktop = NULL;
495 else {
496 if (!string_is_safe(desktop))
497 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
498 }
499
954449b8
LP
500 if (isempty(cseat))
501 seat = NULL;
98a28fef 502 else {
954449b8
LP
503 seat = hashmap_get(m->seats, cseat);
504 if (!seat)
d14ab08b 505 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
98a28fef
LP
506 }
507
98a28fef 508 if (tty_is_vc(tty)) {
4d6d6518 509 int v;
98a28fef 510
954449b8 511 if (!seat)
92432fcc
DH
512 seat = m->seat0;
513 else if (seat != m->seat0)
d14ab08b 514 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
98a28fef 515
4d6d6518 516 v = vtnr_from_tty(tty);
4d6d6518 517 if (v <= 0)
ebcf1f97 518 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
98a28fef 519
92bd5ff3 520 if (!vtnr)
4d6d6518
LP
521 vtnr = (uint32_t) v;
522 else if (vtnr != (uint32_t) v)
ebcf1f97 523 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
cc377381 524
d1122ad5
LP
525 } else if (tty_is_console(tty)) {
526
954449b8 527 if (!seat)
92432fcc
DH
528 seat = m->seat0;
529 else if (seat != m->seat0)
ebcf1f97 530 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
d1122ad5
LP
531
532 if (vtnr != 0)
ebcf1f97 533 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
978cf3c7 534 }
98a28fef 535
954449b8 536 if (seat) {
bf7825ae 537 if (seat_has_vts(seat)) {
c506027a 538 if (!vtnr || vtnr > 63)
ebcf1f97 539 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
4d6d6518 540 } else {
d1122ad5 541 if (vtnr != 0)
ebcf1f97 542 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
4d6d6518
LP
543 }
544 }
545
cc377381
LP
546 r = sd_bus_message_enter_container(message, 'a', "(sv)");
547 if (r < 0)
ebcf1f97 548 return r;
98a28fef 549
e2acb67b
LP
550 if (t == _SESSION_TYPE_INVALID) {
551 if (!isempty(display))
552 t = SESSION_X11;
553 else if (!isempty(tty))
554 t = SESSION_TTY;
555 else
556 t = SESSION_UNSPECIFIED;
557 }
558
559 if (c == _SESSION_CLASS_INVALID) {
a4cd87e9 560 if (t == SESSION_UNSPECIFIED)
e2acb67b 561 c = SESSION_BACKGROUND;
a4cd87e9
LP
562 else
563 c = SESSION_USER;
e2acb67b
LP
564 }
565
9444b1f2 566 if (leader <= 0) {
5b12334d
LP
567 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
568
569 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
570 if (r < 0)
571 return r;
572
cc377381
LP
573 assert_cc(sizeof(uint32_t) == sizeof(pid_t));
574
5b12334d 575 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
cc377381 576 if (r < 0)
ebcf1f97 577 return r;
9444b1f2
LP
578 }
579
872c8faa 580 manager_get_session_by_pid(m, leader, &session);
fb6becb4 581 if (session) {
fb6becb4
LP
582 _cleanup_free_ char *path = NULL;
583 _cleanup_close_ int fifo_fd = -1;
98a28fef 584
fb6becb4
LP
585 /* Session already exists, client is probably
586 * something like "su" which changes uid but is still
587 * the same session */
98a28fef 588
954449b8 589 fifo_fd = session_create_fifo(session);
cc377381 590 if (fifo_fd < 0)
ebcf1f97 591 return fifo_fd;
98a28fef 592
fb6becb4 593 path = session_bus_path(session);
cc377381 594 if (!path)
ebcf1f97 595 return -ENOMEM;
21c390cc 596
cc377381 597 return sd_bus_reply_method_return(
baae0358 598 message, "soshusub",
cc377381
LP
599 session->id,
600 path,
601 session->user->runtime_path,
602 fifo_fd,
baae0358 603 (uint32_t) session->user->uid,
cc377381
LP
604 session->seat ? session->seat->id : "",
605 (uint32_t) session->vtnr,
606 true);
954449b8 607 }
21c390cc 608
954449b8
LP
609 audit_session_from_pid(leader, &audit_id);
610 if (audit_id > 0) {
611 /* Keep our session IDs and the audit session IDs in sync */
21c390cc 612
cc377381 613 if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0)
ebcf1f97 614 return -ENOMEM;
21c390cc 615
954449b8
LP
616 /* Wut? There's already a session by this name and we
617 * didn't find it above? Weird, then let's not trust
618 * the audit data and let's better register a new
619 * ID */
620 if (hashmap_get(m->sessions, id)) {
4b549144 621 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
954449b8 622 audit_id = 0;
8ea913b2 623
954449b8
LP
624 free(id);
625 id = NULL;
07714753 626 }
954449b8 627 }
07714753 628
954449b8 629 if (!id) {
07714753
LP
630 do {
631 free(id);
f8e2fb7b 632 id = NULL;
07714753 633
cc377381 634 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
ebcf1f97 635 return -ENOMEM;
07714753
LP
636
637 } while (hashmap_get(m->sessions, id));
98a28fef
LP
638 }
639
954449b8 640 r = manager_add_user_by_uid(m, uid, &user);
ebcf1f97 641 if (r < 0)
954449b8
LP
642 goto fail;
643
9444b1f2 644 r = manager_add_session(m, id, &session);
ebcf1f97 645 if (r < 0)
98a28fef
LP
646 goto fail;
647
9444b1f2
LP
648 session_set_user(session, user);
649
98a28fef
LP
650 session->leader = leader;
651 session->audit_id = audit_id;
652 session->type = t;
55efac6c 653 session->class = c;
98a28fef 654 session->remote = remote;
98a28fef
LP
655 session->vtnr = vtnr;
656
98a28fef
LP
657 if (!isempty(tty)) {
658 session->tty = strdup(tty);
659 if (!session->tty) {
ebcf1f97 660 r = -ENOMEM;
98a28fef
LP
661 goto fail;
662 }
663 }
664
665 if (!isempty(display)) {
666 session->display = strdup(display);
667 if (!session->display) {
ebcf1f97 668 r = -ENOMEM;
98a28fef
LP
669 goto fail;
670 }
671 }
672
673 if (!isempty(remote_user)) {
674 session->remote_user = strdup(remote_user);
675 if (!session->remote_user) {
ebcf1f97 676 r = -ENOMEM;
98a28fef
LP
677 goto fail;
678 }
679 }
680
681 if (!isempty(remote_host)) {
682 session->remote_host = strdup(remote_host);
683 if (!session->remote_host) {
ebcf1f97 684 r = -ENOMEM;
98a28fef
LP
685 goto fail;
686 }
687 }
688
689 if (!isempty(service)) {
690 session->service = strdup(service);
691 if (!session->service) {
ebcf1f97 692 r = -ENOMEM;
98a28fef
LP
693 goto fail;
694 }
695 }
696
a4cd87e9
LP
697 if (!isempty(desktop)) {
698 session->desktop = strdup(desktop);
699 if (!session->desktop) {
700 r = -ENOMEM;
701 goto fail;
702 }
703 }
704
954449b8
LP
705 if (seat) {
706 r = seat_attach_session(seat, session);
ebcf1f97 707 if (r < 0)
98a28fef
LP
708 goto fail;
709 }
710
711 r = session_start(session);
ebcf1f97 712 if (r < 0)
98a28fef
LP
713 goto fail;
714
cc377381 715 session->create_message = sd_bus_message_ref(message);
98a28fef 716
cba38758
LP
717 /* Now, let's wait until the slice unit and stuff got
718 * created. We send the reply back from
719 * session_send_create_reply().*/
720
cc377381 721 return 1;
98a28fef
LP
722
723fail:
98a28fef
LP
724 if (session)
725 session_add_to_gc_queue(session);
726
727 if (user)
728 user_add_to_gc_queue(user);
729
98a28fef
LP
730 return r;
731}
732
ebcf1f97 733static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
734 Manager *m = userdata;
735 Session *session;
736 const char *name;
737 int r;
314b4b0a 738
cc377381
LP
739 assert(bus);
740 assert(message);
741 assert(m);
742
743 r = sd_bus_message_read(message, "s", &name);
744 if (r < 0)
ebcf1f97 745 return r;
cc377381
LP
746
747 session = hashmap_get(m->sessions, name);
748 if (!session)
ebcf1f97 749 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381 750
5f41d1f1 751 session_release(session);
cc377381 752
df2d202e 753 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
754}
755
ebcf1f97 756static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
757 Manager *m = userdata;
758 Session *session;
759 const char *name;
760 int r;
f8e2fb7b 761
cc377381
LP
762 assert(bus);
763 assert(message);
f8e2fb7b 764 assert(m);
cc377381
LP
765
766 r = sd_bus_message_read(message, "s", &name);
767 if (r < 0)
ebcf1f97 768 return r;
cc377381
LP
769
770 session = hashmap_get(m->sessions, name);
771 if (!session)
ebcf1f97 772 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381
LP
773
774 r = session_activate(session);
775 if (r < 0)
ebcf1f97 776 return r;
cc377381 777
df2d202e 778 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
779}
780
ebcf1f97 781static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
782 const char *session_name, *seat_name;
783 Manager *m = userdata;
784 Session *session;
785 Seat *seat;
786 int r;
787
788 assert(bus);
f8e2fb7b 789 assert(message);
cc377381 790 assert(m);
f8e2fb7b 791
cc377381
LP
792 /* Same as ActivateSession() but refuses to work if
793 * the seat doesn't match */
f8e2fb7b 794
cc377381
LP
795 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
796 if (r < 0)
ebcf1f97 797 return r;
eecd1362 798
cc377381
LP
799 session = hashmap_get(m->sessions, session_name);
800 if (!session)
ebcf1f97 801 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name);
beaafb2e 802
cc377381
LP
803 seat = hashmap_get(m->seats, seat_name);
804 if (!seat)
ebcf1f97 805 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name);
314b4b0a 806
cc377381 807 if (session->seat != seat)
ebcf1f97 808 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
cc377381
LP
809
810 r = session_activate(session);
f8e2fb7b 811 if (r < 0)
ebcf1f97 812 return r;
f8e2fb7b 813
df2d202e 814 return sd_bus_reply_method_return(message, NULL);
cc377381 815}
f8e2fb7b 816
ebcf1f97 817static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
818 Manager *m = userdata;
819 Session *session;
820 const char *name;
821 int r;
f8e2fb7b 822
cc377381
LP
823 assert(bus);
824 assert(message);
825 assert(m);
f8e2fb7b 826
cc377381
LP
827 r = sd_bus_message_read(message, "s", &name);
828 if (r < 0)
ebcf1f97 829 return r;
f8e2fb7b 830
cc377381
LP
831 session = hashmap_get(m->sessions, name);
832 if (!session)
ebcf1f97 833 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
f8e2fb7b 834
cc377381 835 r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession"));
f8e2fb7b 836 if (r < 0)
ebcf1f97 837 return r;
f8e2fb7b 838
df2d202e 839 return sd_bus_reply_method_return(message, NULL);
cc377381 840}
f8e2fb7b 841
ebcf1f97 842static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
843 Manager *m = userdata;
844 int r;
f8e2fb7b 845
cc377381
LP
846 assert(bus);
847 assert(message);
848 assert(m);
f8e2fb7b 849
cc377381
LP
850 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
851 if (r < 0)
ebcf1f97 852 return r;
f8e2fb7b 853
df2d202e 854 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
855}
856
ebcf1f97 857static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
858 const char *name, *swho;
859 Manager *m = userdata;
860 Session *session;
861 int32_t signo;
862 KillWho who;
863 int r;
864
865 assert(bus);
866 assert(message);
867 assert(m);
868
869 r = sd_bus_message_read(message, "ssi", &name, &swho, &signo);
870 if (r < 0)
ebcf1f97 871 return r;
cc377381
LP
872
873 if (isempty(swho))
874 who = KILL_ALL;
875 else {
876 who = kill_who_from_string(swho);
877 if (who < 0)
ebcf1f97 878 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
f8e2fb7b
LP
879 }
880
cc377381 881 if (signo <= 0 || signo >= _NSIG)
ebcf1f97 882 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
f8e2fb7b 883
cc377381
LP
884 session = hashmap_get(m->sessions, name);
885 if (!session)
ebcf1f97 886 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
f8e2fb7b 887
cc377381
LP
888 r = session_kill(session, who, signo);
889 if (r < 0)
ebcf1f97 890 return r;
f8e2fb7b 891
df2d202e 892 return sd_bus_reply_method_return(message, NULL);
cc377381 893}
f8e2fb7b 894
ebcf1f97 895static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
896 Manager *m = userdata;
897 uint32_t uid;
898 int32_t signo;
899 User *user;
900 int r;
f8e2fb7b 901
cc377381
LP
902 assert(bus);
903 assert(message);
904 assert(m);
905
906 r = sd_bus_message_read(message, "ui", &uid, &signo);
907 if (r < 0)
ebcf1f97 908 return r;
cc377381
LP
909
910 if (signo <= 0 || signo >= _NSIG)
ebcf1f97 911 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
cc377381
LP
912
913 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
914 if (!user)
ebcf1f97 915 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
cc377381
LP
916
917 r = user_kill(user, signo);
918 if (r < 0)
ebcf1f97 919 return r;
cc377381 920
df2d202e 921 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
922}
923
ebcf1f97 924static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
925 Manager *m = userdata;
926 const char *name;
927 Session *session;
928 int r;
929
930 assert(bus);
931 assert(message);
932 assert(m);
933
934 r = sd_bus_message_read(message, "s", &name);
935 if (r < 0)
ebcf1f97 936 return r;
cc377381
LP
937
938 session = hashmap_get(m->sessions, name);
939 if (!session)
ebcf1f97 940 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381 941
9bb69af4 942 r = session_stop(session, true);
cc377381 943 if (r < 0)
ebcf1f97 944 return r;
cc377381 945
df2d202e 946 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
947}
948
ebcf1f97 949static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
950 Manager *m = userdata;
951 uint32_t uid;
952 User *user;
953 int r;
954
955 assert(bus);
956 assert(message);
957 assert(m);
958
959 r = sd_bus_message_read(message, "u", &uid);
960 if (r < 0)
ebcf1f97 961 return r;
cc377381
LP
962
963 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
964 if (!user)
ebcf1f97 965 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
cc377381 966
9bb69af4 967 r = user_stop(user, true);
cc377381 968 if (r < 0)
ebcf1f97 969 return r;
cc377381 970
df2d202e 971 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
972}
973
ebcf1f97 974static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
975 Manager *m = userdata;
976 const char *name;
977 Seat *seat;
978 int r;
979
980 assert(bus);
981 assert(message);
982 assert(m);
983
984 r = sd_bus_message_read(message, "s", &name);
985 if (r < 0)
ebcf1f97 986 return r;
cc377381
LP
987
988 seat = hashmap_get(m->seats, name);
989 if (!seat)
ebcf1f97 990 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
cc377381 991
9bb69af4 992 r = seat_stop_sessions(seat, true);
cc377381 993 if (r < 0)
ebcf1f97 994 return r;
cc377381 995
df2d202e 996 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
997}
998
ebcf1f97 999static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
1000 _cleanup_free_ char *cc = NULL;
1001 Manager *m = userdata;
1002 int b, r;
1003 struct passwd *pw;
1004 const char *path;
1005 uint32_t uid;
1006 int interactive;
1007
1008 assert(bus);
1009 assert(message);
1010 assert(m);
1011
1012 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1013 if (r < 0)
ebcf1f97 1014 return r;
cc377381
LP
1015
1016 errno = 0;
1017 pw = getpwuid(uid);
1018 if (!pw)
ebcf1f97 1019 return errno ? -errno : -ENOENT;
cc377381
LP
1020
1021 r = bus_verify_polkit_async(bus,
1022 &m->polkit_registry,
1023 message,
1024 "org.freedesktop.login1.set-user-linger",
1025 interactive,
ebcf1f97 1026 error,
cc377381
LP
1027 method_set_user_linger, m);
1028 if (r < 0)
ebcf1f97 1029 return r;
cc377381
LP
1030 if (r == 0)
1031 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1032
1033 mkdir_p_label("/var/lib/systemd", 0755);
1034
1035 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1036 if (r < 0)
ebcf1f97 1037 return r;
cc377381
LP
1038
1039 cc = cescape(pw->pw_name);
1040 if (!cc)
ebcf1f97 1041 return -ENOMEM;
cc377381
LP
1042
1043 path = strappenda("/var/lib/systemd/linger/", cc);
1044 if (b) {
1045 User *u;
1046
1047 r = touch(path);
1048 if (r < 0)
ebcf1f97 1049 return r;
cc377381
LP
1050
1051 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1052 user_start(u);
1053
1054 } else {
1055 User *u;
1056
1057 r = unlink(path);
1058 if (r < 0 && errno != ENOENT)
ebcf1f97 1059 return -errno;
cc377381
LP
1060
1061 u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
1062 if (u)
1063 user_add_to_gc_queue(u);
1064 }
1065
df2d202e 1066 return sd_bus_reply_method_return(message, NULL);
f8e2fb7b
LP
1067}
1068
2eb916cd 1069static int trigger_device(Manager *m, struct udev_device *d) {
06acf2d4 1070 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
b668e064
LP
1071 struct udev_list_entry *first, *item;
1072 int r;
1073
1074 assert(m);
1075
1076 e = udev_enumerate_new(m->udev);
06acf2d4
LP
1077 if (!e)
1078 return -ENOMEM;
b668e064 1079
2eb916cd 1080 if (d) {
06acf2d4
LP
1081 r = udev_enumerate_add_match_parent(e, d);
1082 if (r < 0)
1083 return r;
2eb916cd
LP
1084 }
1085
06acf2d4
LP
1086 r = udev_enumerate_scan_devices(e);
1087 if (r < 0)
1088 return r;
b668e064
LP
1089
1090 first = udev_enumerate_get_list_entry(e);
1091 udev_list_entry_foreach(item, first) {
cc377381 1092 _cleanup_free_ char *t = NULL;
b668e064
LP
1093 const char *p;
1094
1095 p = udev_list_entry_get_name(item);
1096
b668e064 1097 t = strappend(p, "/uevent");
06acf2d4
LP
1098 if (!t)
1099 return -ENOMEM;
b668e064 1100
574d5f2d 1101 write_string_file(t, "change");
b668e064
LP
1102 }
1103
06acf2d4 1104 return 0;
b668e064
LP
1105}
1106
47a26690 1107static int attach_device(Manager *m, const char *seat, const char *sysfs) {
06acf2d4 1108 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
7fd1b19b 1109 _cleanup_free_ char *rule = NULL, *file = NULL;
c28fa3d3 1110 const char *id_for_seat;
47a26690
LP
1111 int r;
1112
1113 assert(m);
1114 assert(seat);
1115 assert(sysfs);
1116
1117 d = udev_device_new_from_syspath(m->udev, sysfs);
1118 if (!d)
1119 return -ENODEV;
1120
06acf2d4
LP
1121 if (!udev_device_has_tag(d, "seat"))
1122 return -ENODEV;
47a26690 1123
c28fa3d3 1124 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
06acf2d4
LP
1125 if (!id_for_seat)
1126 return -ENODEV;
47a26690 1127
06acf2d4
LP
1128 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1129 return -ENOMEM;
47a26690 1130
06acf2d4
LP
1131 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1132 return -ENOMEM;
47a26690 1133
d2e54fae 1134 mkdir_p_label("/etc/udev/rules.d", 0755);
a5c32cff 1135 label_init("/etc");
574d5f2d 1136 r = write_string_file_atomic_label(file, rule);
a0a0c7f1 1137 if (r < 0)
06acf2d4 1138 return r;
47a26690 1139
06acf2d4 1140 return trigger_device(m, d);
47a26690
LP
1141}
1142
b668e064 1143static int flush_devices(Manager *m) {
7fd1b19b 1144 _cleanup_closedir_ DIR *d;
b668e064
LP
1145
1146 assert(m);
1147
1148 d = opendir("/etc/udev/rules.d");
1149 if (!d) {
1150 if (errno != ENOENT)
1151 log_warning("Failed to open /etc/udev/rules.d: %m");
1152 } else {
1153 struct dirent *de;
1154
1155 while ((de = readdir(d))) {
1156
1157 if (!dirent_is_file(de))
1158 continue;
1159
1160 if (!startswith(de->d_name, "72-seat-"))
1161 continue;
1162
1163 if (!endswith(de->d_name, ".rules"))
1164 continue;
1165
1166 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1167 log_warning("Failed to unlink %s: %m", de->d_name);
1168 }
b668e064
LP
1169 }
1170
1171 return trigger_device(m, NULL);
1172}
1173
ebcf1f97 1174static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
1175 const char *sysfs, *seat;
1176 Manager *m = userdata;
1177 int interactive, r;
1178
1179 assert(bus);
1180 assert(message);
1181 assert(m);
1182
1183 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1184 if (r < 0)
ebcf1f97 1185 return r;
cc377381
LP
1186
1187 if (!path_startswith(sysfs, "/sys"))
ebcf1f97 1188 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
cc377381
LP
1189
1190 if (!seat_name_is_valid(seat))
ebcf1f97 1191 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
cc377381
LP
1192
1193 r = bus_verify_polkit_async(bus,
1194 &m->polkit_registry,
1195 message,
1196 "org.freedesktop.login1.attach-device",
1197 interactive,
ebcf1f97 1198 error,
cc377381
LP
1199 method_attach_device, m);
1200 if (r < 0)
ebcf1f97 1201 return r;
cc377381
LP
1202 if (r == 0)
1203 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1204
1205 r = attach_device(m, seat, sysfs);
1206 if (r < 0)
ebcf1f97 1207 return r;
cc377381 1208
df2d202e 1209 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
1210}
1211
ebcf1f97 1212static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
1213 Manager *m = userdata;
1214 int interactive, r;
1215
1216 assert(bus);
1217 assert(message);
1218 assert(m);
1219
1220 r = sd_bus_message_read(message, "b", &interactive);
1221 if (r < 0)
ebcf1f97 1222 return r;
cc377381
LP
1223
1224 r = bus_verify_polkit_async(bus,
1225 &m->polkit_registry,
1226 message,
1227 "org.freedesktop.login1.flush-devices",
1228 interactive,
ebcf1f97 1229 error,
cc377381
LP
1230 method_flush_devices, m);
1231 if (r < 0)
ebcf1f97 1232 return r;
cc377381
LP
1233 if (r == 0)
1234 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1235
1236 r = flush_devices(m);
1237 if (r < 0)
ebcf1f97 1238 return r;
cc377381 1239
df2d202e 1240 return sd_bus_reply_method_return(message, NULL);
cc377381
LP
1241}
1242
89f13440 1243static int have_multiple_sessions(
89f13440 1244 Manager *m,
409133be 1245 uid_t uid) {
89f13440 1246
2154761f
MS
1247 Session *session;
1248 Iterator i;
89f13440
LP
1249
1250 assert(m);
1251
1ca04b87
LP
1252 /* Check for other users' sessions. Greeter sessions do not
1253 * count, and non-login sessions do not count either. */
2154761f 1254 HASHMAP_FOREACH(session, m->sessions, i)
1ca04b87 1255 if (session->class == SESSION_USER &&
1ca04b87 1256 session->user->uid != uid)
2154761f 1257 return true;
89f13440
LP
1258
1259 return false;
1260}
1261
314b4b0a
LP
1262static int bus_manager_log_shutdown(
1263 Manager *m,
1264 InhibitWhat w,
1265 const char *unit_name) {
1266
1267 const char *p, *q;
1268
1269 assert(m);
1270 assert(unit_name);
1271
1272 if (w != INHIBIT_SHUTDOWN)
1273 return 0;
1274
1275 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1276 p = "MESSAGE=System is powering down.";
1277 q = "SHUTDOWN=power-off";
1278 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1279 p = "MESSAGE=System is halting.";
1280 q = "SHUTDOWN=halt";
1281 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1282 p = "MESSAGE=System is rebooting.";
1283 q = "SHUTDOWN=reboot";
1284 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1285 p = "MESSAGE=System is rebooting with kexec.";
1286 q = "SHUTDOWN=kexec";
1287 } else {
1288 p = "MESSAGE=System is shutting down.";
1289 q = NULL;
1290 }
1291
1292 return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1293 p,
1294 q, NULL);
1295}
1296
1297static int execute_shutdown_or_sleep(
1298 Manager *m,
1299 InhibitWhat w,
1300 const char *unit_name,
cc377381 1301 sd_bus_error *error) {
314b4b0a 1302
cc377381
LP
1303 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1304 const char *p;
af9792ac 1305 char *c;
cc377381 1306 int r;
eecd1362 1307
af9792ac 1308 assert(m);
314b4b0a
LP
1309 assert(w >= 0);
1310 assert(w < _INHIBIT_WHAT_MAX);
d889a206 1311 assert(unit_name);
eecd1362 1312
314b4b0a
LP
1313 bus_manager_log_shutdown(m, w, unit_name);
1314
cc377381 1315 r = sd_bus_call_method(
af9792ac 1316 m->bus,
eecd1362
LP
1317 "org.freedesktop.systemd1",
1318 "/org/freedesktop/systemd1",
1319 "org.freedesktop.systemd1.Manager",
b9c26b41 1320 "StartUnit",
af9792ac 1321 error,
cc377381
LP
1322 &reply,
1323 "ss", unit_name, "replace-irreversibly");
af9792ac
LP
1324 if (r < 0)
1325 return r;
1326
cc377381
LP
1327 r = sd_bus_message_read(reply, "o", &p);
1328 if (r < 0)
1329 return r;
af9792ac
LP
1330
1331 c = strdup(p);
1332 if (!c)
1333 return -ENOMEM;
1334
314b4b0a 1335 m->action_unit = unit_name;
af9792ac
LP
1336 free(m->action_job);
1337 m->action_job = c;
314b4b0a 1338 m->action_what = w;
af9792ac
LP
1339
1340 return 0;
eecd1362
LP
1341}
1342
314b4b0a
LP
1343static int delay_shutdown_or_sleep(
1344 Manager *m,
1345 InhibitWhat w,
1346 const char *unit_name) {
eecd1362 1347
eecd1362 1348 assert(m);
d889a206
LP
1349 assert(w >= 0);
1350 assert(w < _INHIBIT_WHAT_MAX);
314b4b0a 1351 assert(unit_name);
eecd1362 1352
314b4b0a
LP
1353 m->action_timestamp = now(CLOCK_MONOTONIC);
1354 m->action_unit = unit_name;
1355 m->action_what = w;
d889a206
LP
1356
1357 return 0;
1358}
1359
cc377381 1360static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
d889a206 1361
cc377381
LP
1362 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1363 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1364 [INHIBIT_SLEEP] = "PrepareForSleep"
1365 };
1366
1367 int active = _active;
877d54e9
LP
1368
1369 assert(m);
314b4b0a
LP
1370 assert(w >= 0);
1371 assert(w < _INHIBIT_WHAT_MAX);
1372 assert(signal_name[w]);
877d54e9 1373
cc377381
LP
1374 return sd_bus_emit_signal(m->bus,
1375 "/org/freedesktop/login1",
1376 "org.freedesktop.login1.Manager",
1377 signal_name[w],
1378 "b",
dd9f0525 1379 active);
877d54e9
LP
1380}
1381
069cfc85
LP
1382int bus_manager_shutdown_or_sleep_now_or_later(
1383 Manager *m,
1384 const char *unit_name,
1385 InhibitWhat w,
cc377381 1386 sd_bus_error *error) {
069cfc85
LP
1387
1388 bool delayed;
1389 int r;
1390
1391 assert(m);
1392 assert(unit_name);
1393 assert(w >= 0);
1394 assert(w <= _INHIBIT_WHAT_MAX);
af9792ac 1395 assert(!m->action_job);
069cfc85 1396
314b4b0a
LP
1397 /* Tell everybody to prepare for shutdown/sleep */
1398 send_prepare_for(m, w, true);
1399
069cfc85
LP
1400 delayed =
1401 m->inhibit_delay_max > 0 &&
85a428c6 1402 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
069cfc85
LP
1403
1404 if (delayed)
1405 /* Shutdown is delayed, keep in mind what we
1406 * want to do, and start a timeout */
1407 r = delay_shutdown_or_sleep(m, w, unit_name);
314b4b0a 1408 else
069cfc85
LP
1409 /* Shutdown is not delayed, execute it
1410 * immediately */
314b4b0a 1411 r = execute_shutdown_or_sleep(m, w, unit_name, error);
069cfc85
LP
1412
1413 return r;
1414}
1415
cc377381 1416static int method_do_shutdown_or_sleep(
d889a206 1417 Manager *m,
cc377381 1418 sd_bus_message *message,
d889a206
LP
1419 const char *unit_name,
1420 InhibitWhat w,
1421 const char *action,
1422 const char *action_multiple_sessions,
1423 const char *action_ignore_inhibit,
19adb8a3 1424 const char *sleep_verb,
ebcf1f97
LP
1425 sd_bus_message_handler_t method,
1426 sd_bus_error *error) {
d889a206 1427
5b12334d 1428 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
069cfc85 1429 bool multiple_sessions, blocked;
cc377381
LP
1430 int interactive, r;
1431 uid_t uid;
d889a206
LP
1432
1433 assert(m);
d889a206
LP
1434 assert(message);
1435 assert(unit_name);
1436 assert(w >= 0);
1437 assert(w <= _INHIBIT_WHAT_MAX);
1438 assert(action);
1439 assert(action_multiple_sessions);
1440 assert(action_ignore_inhibit);
cc377381
LP
1441 assert(method);
1442
1443 r = sd_bus_message_read(message, "b", &interactive);
1444 if (r < 0)
ebcf1f97 1445 return r;
d889a206 1446
314b4b0a
LP
1447 /* Don't allow multiple jobs being executed at the same time */
1448 if (m->action_what)
ebcf1f97 1449 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
d889a206 1450
19adb8a3
ZJS
1451 if (sleep_verb) {
1452 r = can_sleep(sleep_verb);
6524990f 1453 if (r < 0)
ebcf1f97 1454 return r;
6524990f
LP
1455
1456 if (r == 0)
ebcf1f97 1457 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
6524990f
LP
1458 }
1459
5b12334d
LP
1460 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1461 if (r < 0)
1462 return r;
1463
1464 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1465 if (r < 0)
ebcf1f97 1466 return r;
409133be 1467
cc377381 1468 r = have_multiple_sessions(m, uid);
d889a206 1469 if (r < 0)
ebcf1f97 1470 return r;
d889a206
LP
1471
1472 multiple_sessions = r > 0;
85a428c6 1473 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
d889a206
LP
1474
1475 if (multiple_sessions) {
cc377381 1476 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1477 action_multiple_sessions, interactive, error, method, m);
d889a206 1478 if (r < 0)
ebcf1f97 1479 return r;
d889a206
LP
1480 }
1481
1482 if (blocked) {
cc377381 1483 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1484 action_ignore_inhibit, interactive, error, method, m);
d889a206 1485 if (r < 0)
ebcf1f97 1486 return r;
d889a206
LP
1487 }
1488
1489 if (!multiple_sessions && !blocked) {
cc377381 1490 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1491 action, interactive, error, method, m);
d889a206 1492 if (r < 0)
ebcf1f97 1493 return r;
d889a206
LP
1494 }
1495
ebcf1f97 1496 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
d889a206 1497 if (r < 0)
ebcf1f97 1498 return r;
d889a206 1499
df2d202e 1500 return sd_bus_reply_method_return(message, NULL);
eecd1362
LP
1501}
1502
ebcf1f97 1503static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
3f49d45a
LP
1504 Manager *m = userdata;
1505
cc377381
LP
1506 return method_do_shutdown_or_sleep(
1507 m, message,
1508 SPECIAL_POWEROFF_TARGET,
1509 INHIBIT_SHUTDOWN,
1510 "org.freedesktop.login1.power-off",
1511 "org.freedesktop.login1.power-off-multiple-sessions",
1512 "org.freedesktop.login1.power-off-ignore-inhibit",
1513 NULL,
ebcf1f97
LP
1514 method_poweroff,
1515 error);
cc377381 1516}
88e3dc90 1517
ebcf1f97 1518static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1519 Manager *m = userdata;
88e3dc90 1520
cc377381
LP
1521 return method_do_shutdown_or_sleep(
1522 m, message,
1523 SPECIAL_REBOOT_TARGET,
1524 INHIBIT_SHUTDOWN,
1525 "org.freedesktop.login1.reboot",
1526 "org.freedesktop.login1.reboot-multiple-sessions",
1527 "org.freedesktop.login1.reboot-ignore-inhibit",
1528 NULL,
ebcf1f97
LP
1529 method_reboot,
1530 error);
cc377381 1531}
88e3dc90 1532
ebcf1f97 1533static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1534 Manager *m = userdata;
88e3dc90 1535
cc377381
LP
1536 return method_do_shutdown_or_sleep(
1537 m, message,
1538 SPECIAL_SUSPEND_TARGET,
1539 INHIBIT_SLEEP,
1540 "org.freedesktop.login1.suspend",
1541 "org.freedesktop.login1.suspend-multiple-sessions",
1542 "org.freedesktop.login1.suspend-ignore-inhibit",
1543 "suspend",
ebcf1f97
LP
1544 method_suspend,
1545 error);
cc377381 1546}
88e3dc90 1547
ebcf1f97 1548static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1549 Manager *m = userdata;
b6160029 1550
cc377381
LP
1551 return method_do_shutdown_or_sleep(
1552 m, message,
1553 SPECIAL_HIBERNATE_TARGET,
1554 INHIBIT_SLEEP,
1555 "org.freedesktop.login1.hibernate",
1556 "org.freedesktop.login1.hibernate-multiple-sessions",
1557 "org.freedesktop.login1.hibernate-ignore-inhibit",
1558 "hibernate",
ebcf1f97
LP
1559 method_hibernate,
1560 error);
cc377381 1561}
fa2b196d 1562
ebcf1f97 1563static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1564 Manager *m = userdata;
fa2b196d 1565
cc377381
LP
1566 return method_do_shutdown_or_sleep(
1567 m, message,
1568 SPECIAL_HYBRID_SLEEP_TARGET,
1569 INHIBIT_SLEEP,
1570 "org.freedesktop.login1.hibernate",
1571 "org.freedesktop.login1.hibernate-multiple-sessions",
1572 "org.freedesktop.login1.hibernate-ignore-inhibit",
1573 "hybrid-sleep",
ebcf1f97
LP
1574 method_hybrid_sleep,
1575 error);
cc377381 1576}
de07ab16 1577
cc377381
LP
1578static int method_can_shutdown_or_sleep(
1579 Manager *m,
1580 sd_bus_message *message,
1581 InhibitWhat w,
1582 const char *action,
1583 const char *action_multiple_sessions,
1584 const char *action_ignore_inhibit,
ebcf1f97
LP
1585 const char *sleep_verb,
1586 sd_bus_error *error) {
de07ab16 1587
5b12334d 1588 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP
1589 bool multiple_sessions, challenge, blocked;
1590 const char *result = NULL;
1591 uid_t uid;
1592 int r;
de07ab16 1593
cc377381
LP
1594 assert(m);
1595 assert(message);
1596 assert(w >= 0);
1597 assert(w <= _INHIBIT_WHAT_MAX);
1598 assert(action);
1599 assert(action_multiple_sessions);
1600 assert(action_ignore_inhibit);
de07ab16 1601
cc377381
LP
1602 if (sleep_verb) {
1603 r = can_sleep(sleep_verb);
de07ab16 1604 if (r < 0)
ebcf1f97 1605 return r;
cc377381 1606 if (r == 0)
df2d202e 1607 return sd_bus_reply_method_return(message, "s", "na");
cc377381 1608 }
de07ab16 1609
5b12334d
LP
1610 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1611 if (r < 0)
1612 return r;
1613
1614 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1615 if (r < 0)
ebcf1f97 1616 return r;
de07ab16 1617
cc377381
LP
1618 r = have_multiple_sessions(m, uid);
1619 if (r < 0)
ebcf1f97 1620 return r;
de07ab16 1621
cc377381 1622 multiple_sessions = r > 0;
85a428c6 1623 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
de07ab16 1624
cc377381 1625 if (multiple_sessions) {
ebcf1f97 1626 r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, error);
de07ab16 1627 if (r < 0)
ebcf1f97 1628 return r;
bef422ae 1629
cc377381
LP
1630 if (r > 0)
1631 result = "yes";
1632 else if (challenge)
1633 result = "challenge";
1634 else
1635 result = "no";
1636 }
bef422ae 1637
cc377381 1638 if (blocked) {
ebcf1f97 1639 r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error);
bef422ae 1640 if (r < 0)
ebcf1f97 1641 return r;
bef422ae 1642
cc377381
LP
1643 if (r > 0 && !result)
1644 result = "yes";
1645 else if (challenge && (!result || streq(result, "yes")))
1646 result = "challenge";
1647 else
1648 result = "no";
1649 }
bef422ae 1650
cc377381
LP
1651 if (!multiple_sessions && !blocked) {
1652 /* If neither inhibit nor multiple sessions
1653 * apply then just check the normal policy */
bef422ae 1654
ebcf1f97 1655 r = bus_verify_polkit(m->bus, message, action, false, &challenge, error);
bef422ae 1656 if (r < 0)
ebcf1f97 1657 return r;
bef422ae 1658
cc377381
LP
1659 if (r > 0)
1660 result = "yes";
1661 else if (challenge)
1662 result = "challenge";
1663 else
1664 result = "no";
1665 }
bef422ae 1666
df2d202e 1667 return sd_bus_reply_method_return(message, "s", result);
cc377381 1668}
bef422ae 1669
ebcf1f97 1670static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1671 Manager *m = userdata;
bef422ae 1672
cc377381
LP
1673 return method_can_shutdown_or_sleep(
1674 m, message,
1675 INHIBIT_SHUTDOWN,
1676 "org.freedesktop.login1.power-off",
1677 "org.freedesktop.login1.power-off-multiple-sessions",
1678 "org.freedesktop.login1.power-off-ignore-inhibit",
ebcf1f97
LP
1679 NULL,
1680 error);
cc377381 1681}
bef422ae 1682
ebcf1f97 1683static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1684 Manager *m = userdata;
bef422ae 1685
cc377381
LP
1686 return method_can_shutdown_or_sleep(
1687 m, message,
1688 INHIBIT_SHUTDOWN,
1689 "org.freedesktop.login1.reboot",
1690 "org.freedesktop.login1.reboot-multiple-sessions",
1691 "org.freedesktop.login1.reboot-ignore-inhibit",
ebcf1f97
LP
1692 NULL,
1693 error);
cc377381 1694}
bef422ae 1695
ebcf1f97 1696static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1697 Manager *m = userdata;
7f7bb946 1698
cc377381
LP
1699 return method_can_shutdown_or_sleep(
1700 m, message,
1701 INHIBIT_SLEEP,
1702 "org.freedesktop.login1.suspend",
1703 "org.freedesktop.login1.suspend-multiple-sessions",
1704 "org.freedesktop.login1.suspend-ignore-inhibit",
ebcf1f97
LP
1705 "suspend",
1706 error);
cc377381 1707}
7f7bb946 1708
ebcf1f97 1709static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1710 Manager *m = userdata;
02b16a19 1711
cc377381
LP
1712 return method_can_shutdown_or_sleep(
1713 m, message,
1714 INHIBIT_SLEEP,
1715 "org.freedesktop.login1.hibernate",
1716 "org.freedesktop.login1.hibernate-multiple-sessions",
1717 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP
1718 "hibernate",
1719 error);
cc377381 1720}
7f7bb946 1721
ebcf1f97 1722static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1723 Manager *m = userdata;
7f7bb946 1724
cc377381
LP
1725 return method_can_shutdown_or_sleep(
1726 m, message,
1727 INHIBIT_SLEEP,
1728 "org.freedesktop.login1.hibernate",
1729 "org.freedesktop.login1.hibernate-multiple-sessions",
1730 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP
1731 "hybrid-sleep",
1732 error);
cc377381 1733}
38f3fc7d 1734
ebcf1f97 1735static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
5b12334d 1736 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP
1737 const char *who, *why, *what, *mode;
1738 _cleanup_free_ char *id = NULL;
1739 _cleanup_close_ int fifo_fd = -1;
1740 Manager *m = userdata;
1741 Inhibitor *i = NULL;
1742 InhibitMode mm;
1743 InhibitWhat w;
1744 pid_t pid;
1745 uid_t uid;
1746 int r;
7f7bb946 1747
cc377381
LP
1748 assert(bus);
1749 assert(message);
1750 assert(m);
38f3fc7d 1751
cc377381
LP
1752 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
1753 if (r < 0)
ebcf1f97 1754 return r;
38f3fc7d 1755
cc377381
LP
1756 w = inhibit_what_from_string(what);
1757 if (w <= 0)
ebcf1f97 1758 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
38f3fc7d 1759
cc377381
LP
1760 mm = inhibit_mode_from_string(mode);
1761 if (mm < 0)
ebcf1f97 1762 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
7f7bb946 1763
cc377381
LP
1764 /* Delay is only supported for shutdown/sleep */
1765 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
ebcf1f97 1766 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
38f3fc7d 1767
cc377381
LP
1768 /* Don't allow taking delay locks while we are already
1769 * executing the operation. We shouldn't create the impression
1770 * that the lock was successful if the machine is about to go
1771 * down/suspend any moment. */
1772 if (m->action_what & w)
ebcf1f97 1773 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
cc377381
LP
1774
1775 r = bus_verify_polkit_async(bus, &m->polkit_registry, message,
1776 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
1777 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
1778 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
1779 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
1780 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
1781 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
1782 "org.freedesktop.login1.inhibit-handle-lid-switch",
ebcf1f97 1783 false, error, method_inhibit, m);
cc377381 1784 if (r < 0)
ebcf1f97 1785 return r;
cc377381
LP
1786 if (r == 0)
1787 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
7f7bb946 1788
5b12334d
LP
1789 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
1790 if (r < 0)
1791 return r;
1792
1793 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1794 if (r < 0)
ebcf1f97 1795 return r;
7f7bb946 1796
5b12334d 1797 r = sd_bus_creds_get_pid(creds, &pid);
cc377381 1798 if (r < 0)
ebcf1f97 1799 return r;
47a26690 1800
cc377381
LP
1801 do {
1802 free(id);
1803 id = NULL;
47a26690 1804
cc377381 1805 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
ebcf1f97 1806 return -ENOMEM;
47a26690 1807
cc377381 1808 } while (hashmap_get(m->inhibitors, id));
47a26690 1809
cc377381
LP
1810 r = manager_add_inhibitor(m, id, &i);
1811 if (r < 0)
ebcf1f97 1812 return r;
47a26690 1813
cc377381
LP
1814 i->what = w;
1815 i->mode = mm;
1816 i->pid = pid;
1817 i->uid = uid;
1818 i->why = strdup(why);
1819 i->who = strdup(who);
7f7bb946 1820
cc377381 1821 if (!i->why || !i->who) {
ebcf1f97 1822 r = -ENOMEM;
cc377381
LP
1823 goto fail;
1824 }
b668e064 1825
cc377381
LP
1826 fifo_fd = inhibitor_create_fifo(i);
1827 if (fifo_fd < 0) {
ebcf1f97 1828 r = fifo_fd;
cc377381
LP
1829 goto fail;
1830 }
b668e064 1831
cc377381 1832 inhibitor_start(i);
b668e064 1833
df2d202e 1834 return sd_bus_reply_method_return(message, "h", fifo_fd);
b668e064 1835
cc377381
LP
1836fail:
1837 if (i)
1838 inhibitor_free(i);
89f13440 1839
cc377381
LP
1840 return r;
1841}
3f49d45a 1842
cc377381
LP
1843const sd_bus_vtable manager_vtable[] = {
1844 SD_BUS_VTABLE_START(0),
1845
556089dc
LP
1846 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
1847 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
1848 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
1849 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP
1850 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1851 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1852 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1853 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1854 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
556089dc
LP
1855 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
1856 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
1857 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
1858 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
1859 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
1860 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1861 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP
1862 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1863 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1864
adacb957
LP
1865 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1866 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1867 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1868 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1869 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1870 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1871 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1872 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1873 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
a4cd87e9 1874 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
cc377381 1875 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
adacb957
LP
1876 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1877 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP
1878 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
1879 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
1880 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
1881 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
adacb957
LP
1882 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1883 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1884 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1885 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1886 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1887 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1888 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1889 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1890 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1891 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1892 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1893 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1894 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1895 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1896 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1897 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1898 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1899 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1900 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP
1901
1902 SD_BUS_SIGNAL("SessionNew", "so", 0),
1903 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
1904 SD_BUS_SIGNAL("UserNew", "uo", 0),
1905 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
1906 SD_BUS_SIGNAL("SeatNew", "so", 0),
1907 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
1908 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
1909 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
1910
1911 SD_BUS_VTABLE_END
1912};
3f49d45a 1913
99e7e392
DH
1914static int session_jobs_reply(Session *s, const char *unit, const char *result) {
1915 int r = 0;
1916
1917 assert(s);
1918 assert(unit);
1919
1920 if (!s->started)
1921 return r;
1922
1923 if (streq(result, "done"))
1924 r = session_send_create_reply(s, NULL);
1925 else {
1926 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
1927
1928 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
1929 r = session_send_create_reply(s, &e);
1930 }
1931
1932 return r;
1933}
1934
ebcf1f97 1935int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
1936 const char *path, *result, *unit;
1937 Manager *m = userdata;
1938 Session *session;
1939 uint32_t id;
1940 User *user;
1941 int r;
3f49d45a 1942
cc377381
LP
1943 assert(bus);
1944 assert(message);
1945 assert(m);
3f49d45a 1946
cc377381
LP
1947 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
1948 if (r < 0) {
ebcf1f97
LP
1949 bus_log_parse_error(r);
1950 return r;
cc377381 1951 }
3f49d45a 1952
cc377381
LP
1953 if (m->action_job && streq(m->action_job, path)) {
1954 log_info("Operation finished.");
3f49d45a 1955
cc377381
LP
1956 /* Tell people that they now may take a lock again */
1957 send_prepare_for(m, m->action_what, false);
3f49d45a 1958
cc377381
LP
1959 free(m->action_job);
1960 m->action_job = NULL;
1961 m->action_unit = NULL;
1962 m->action_what = 0;
1963 return 0;
1964 }
3f49d45a 1965
cc377381
LP
1966 session = hashmap_get(m->session_units, unit);
1967 if (session) {
3f49d45a 1968
cc377381
LP
1969 if (streq_ptr(path, session->scope_job)) {
1970 free(session->scope_job);
1971 session->scope_job = NULL;
3f49d45a
LP
1972 }
1973
99e7e392 1974 session_jobs_reply(session, unit, result);
3f49d45a 1975
99e7e392 1976 session_save(session);
cc377381
LP
1977 session_add_to_gc_queue(session);
1978 }
3f49d45a 1979
cc377381
LP
1980 user = hashmap_get(m->user_units, unit);
1981 if (user) {
3f49d45a 1982
cc377381
LP
1983 if (streq_ptr(path, user->service_job)) {
1984 free(user->service_job);
1985 user->service_job = NULL;
3f49d45a
LP
1986 }
1987
cc377381
LP
1988 if (streq_ptr(path, user->slice_job)) {
1989 free(user->slice_job);
1990 user->slice_job = NULL;
1991 }
3f49d45a 1992
dd9b67aa 1993 LIST_FOREACH(sessions_by_user, session, user->sessions) {
99e7e392 1994 session_jobs_reply(session, unit, result);
dd9b67aa
LP
1995 }
1996
cc377381
LP
1997 user_save(user);
1998 user_add_to_gc_queue(user);
3f49d45a
LP
1999 }
2000
cc377381 2001 return 0;
3f49d45a
LP
2002}
2003
ebcf1f97 2004int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 2005 const char *path, *unit;
1713813d 2006 Manager *m = userdata;
cc377381
LP
2007 Session *session;
2008 User *user;
2009 int r;
1713813d 2010
cc377381 2011 assert(bus);
1713813d 2012 assert(message);
cc377381 2013 assert(m);
1713813d 2014
cc377381
LP
2015 r = sd_bus_message_read(message, "so", &unit, &path);
2016 if (r < 0) {
ebcf1f97
LP
2017 bus_log_parse_error(r);
2018 return r;
cc377381 2019 }
fb6becb4 2020
cc377381
LP
2021 session = hashmap_get(m->session_units, unit);
2022 if (session)
2023 session_add_to_gc_queue(session);
fb6becb4 2024
cc377381
LP
2025 user = hashmap_get(m->user_units, unit);
2026 if (user)
2027 user_add_to_gc_queue(user);
fb6becb4 2028
cc377381
LP
2029 return 0;
2030}
fb6becb4 2031
ebcf1f97 2032int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
2033 _cleanup_free_ char *unit = NULL;
2034 Manager *m = userdata;
2035 const char *path;
2036 Session *session;
2037 User *user;
ebcf1f97 2038 int r;
fb6becb4 2039
cc377381
LP
2040 assert(bus);
2041 assert(message);
2042 assert(m);
fb6becb4 2043
cc377381
LP
2044 path = sd_bus_message_get_path(message);
2045 if (!path)
2046 return 0;
fb6becb4 2047
ebcf1f97
LP
2048 r = unit_name_from_dbus_path(path, &unit);
2049 if (r < 0)
a87105a3
ZJS
2050 /* quietly ignore non-units paths */
2051 return r == -EINVAL ? 0 : r;
fb6becb4 2052
cc377381
LP
2053 session = hashmap_get(m->session_units, unit);
2054 if (session)
2055 session_add_to_gc_queue(session);
fb6becb4 2056
cc377381
LP
2057 user = hashmap_get(m->user_units, unit);
2058 if (user)
2059 user_add_to_gc_queue(user);
fb6becb4 2060
cc377381
LP
2061 return 0;
2062}
6fa48533 2063
ebcf1f97 2064int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
2065 Manager *m = userdata;
2066 Session *session;
2067 Iterator i;
2068 int b, r;
943aca8e 2069
cc377381 2070 assert(bus);
943aca8e 2071
cc377381
LP
2072 r = sd_bus_message_read(message, "b", &b);
2073 if (r < 0) {
ebcf1f97
LP
2074 bus_log_parse_error(r);
2075 return r;
cc377381 2076 }
943aca8e 2077
cc377381
LP
2078 if (b)
2079 return 0;
943aca8e 2080
cc377381
LP
2081 /* systemd finished reloading, let's recheck all our sessions */
2082 log_debug("System manager has been reloaded, rechecking sessions...");
6797c324 2083
cc377381
LP
2084 HASHMAP_FOREACH(session, m->sessions, i)
2085 session_add_to_gc_queue(session);
6797c324 2086
cc377381
LP
2087 return 0;
2088}
943aca8e 2089
ebcf1f97 2090int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP
2091 const char *name, *old, *new;
2092 Manager *m = userdata;
2093 Session *session;
2094 Iterator i;
2095 int r;
943aca8e 2096
6797c324 2097
cc377381 2098 char *key;
e8b212fe 2099
cc377381
LP
2100 r = sd_bus_message_read(message, "sss", &name, &old, &new);
2101 if (r < 0) {
ebcf1f97
LP
2102 bus_log_parse_error(r);
2103 return r;
cc377381 2104 }
e8b212fe 2105
cc377381
LP
2106 if (isempty(old) || !isempty(new))
2107 return 0;
e8b212fe 2108
cc377381
LP
2109 key = set_remove(m->busnames, (char*) old);
2110 if (!key)
2111 return 0;
ae5e06bd 2112
cc377381 2113 /* Drop all controllers owned by this name */
ae5e06bd 2114
cc377381 2115 free(key);
1713813d 2116
cc377381
LP
2117 HASHMAP_FOREACH(session, m->sessions, i)
2118 if (session_is_controller(session, old))
2119 session_drop_controller(session);
1713813d 2120
cc377381 2121 return 0;
1713813d
LP
2122}
2123
cc377381
LP
2124int manager_send_changed(Manager *manager, const char *property, ...) {
2125 char **l;
9418f147
LP
2126
2127 assert(manager);
2128
cc377381 2129 l = strv_from_stdarg_alloca(property);
9418f147 2130
cc377381
LP
2131 return sd_bus_emit_properties_changed_strv(
2132 manager->bus,
2133 "/org/freedesktop/login1",
2134 "org.freedesktop.login1.Manager",
2135 l);
9418f147 2136}
eecd1362 2137
d889a206 2138int manager_dispatch_delayed(Manager *manager) {
cc377381 2139 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
85a428c6 2140 Inhibitor *offending = NULL;
eecd1362
LP
2141 int r;
2142
2143 assert(manager);
2144
84286536 2145 if (manager->action_what == 0 || manager->action_job)
eecd1362
LP
2146 return 0;
2147
2148 /* Continue delay? */
85a428c6
LP
2149 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2150 _cleanup_free_ char *comm = NULL, *u = NULL;
2151
2152 get_process_comm(offending->pid, &comm);
2153 u = uid_to_name(offending->uid);
eecd1362 2154
314b4b0a
LP
2155 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2156 return 0;
af9792ac 2157
85a428c6
LP
2158 log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.",
2159 (unsigned long) offending->uid, strna(u),
2160 (unsigned long) offending->pid, strna(comm));
314b4b0a 2161 }
eecd1362 2162
314b4b0a 2163 /* Actually do the operation */
314b4b0a 2164 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
eecd1362 2165 if (r < 0) {
cc377381 2166 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
314b4b0a
LP
2167
2168 manager->action_unit = NULL;
2169 manager->action_what = 0;
eecd1362
LP
2170 return r;
2171 }
2172
eecd1362
LP
2173 return 1;
2174}
fb6becb4
LP
2175
2176int manager_start_scope(
2177 Manager *manager,
2178 const char *scope,
2179 pid_t pid,
2180 const char *slice,
2181 const char *description,
ba4c5d93 2182 const char *after, const char *after2,
cc377381 2183 sd_bus_error *error,
fb6becb4
LP
2184 char **job) {
2185
cc377381
LP
2186 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2187 int r;
fb6becb4
LP
2188
2189 assert(manager);
2190 assert(scope);
2191 assert(pid > 1);
2192
cc377381
LP
2193 r = sd_bus_message_new_method_call(
2194 manager->bus,
151b9b96 2195 &m,
fb6becb4
LP
2196 "org.freedesktop.systemd1",
2197 "/org/freedesktop/systemd1",
2198 "org.freedesktop.systemd1.Manager",
151b9b96 2199 "StartTransientUnit");
cc377381
LP
2200 if (r < 0)
2201 return r;
fb6becb4 2202
cc377381
LP
2203 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2204 if (r < 0)
2205 return r;
fb6becb4 2206
cc377381
LP
2207 r = sd_bus_message_open_container(m, 'a', "(sv)");
2208 if (r < 0)
2209 return r;
fb6becb4
LP
2210
2211 if (!isempty(slice)) {
cc377381
LP
2212 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2213 if (r < 0)
2214 return r;
fb6becb4
LP
2215 }
2216
2217 if (!isempty(description)) {
cc377381
LP
2218 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2219 if (r < 0)
2220 return r;
fb6becb4
LP
2221 }
2222
ba4c5d93 2223 if (!isempty(after)) {
cc377381
LP
2224 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2225 if (r < 0)
2226 return r;
7fb3ee51
LP
2227 }
2228
ba4c5d93
LP
2229 if (!isempty(after2)) {
2230 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2231 if (r < 0)
2232 return r;
2233 }
2234
fb6becb4
LP
2235 /* cgroup empty notification is not available in containers
2236 * currently. To make this less problematic, let's shorten the
2237 * stop timeout for sessions, so that we don't wait
2238 * forever. */
2239
743e8945
LP
2240 /* Make sure that the session shells are terminated with
2241 * SIGHUP since bash and friends tend to ignore SIGTERM */
cc377381
LP
2242 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2243 if (r < 0)
2244 return r;
2245
2246 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2247 if (r < 0)
2248 return r;
2249
2250 r = sd_bus_message_close_container(m);
2251 if (r < 0)
2252 return r;
86b8d289
LP
2253
2254 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2255 if (r < 0)
2256 return r;
cc377381 2257
c49b30a2 2258 r = sd_bus_call(manager->bus, m, 0, error, &reply);
cc377381
LP
2259 if (r < 0)
2260 return r;
fb6becb4
LP
2261
2262 if (job) {
2263 const char *j;
2264 char *copy;
2265
cc377381
LP
2266 r = sd_bus_message_read(reply, "o", &j);
2267 if (r < 0)
2268 return r;
fb6becb4
LP
2269
2270 copy = strdup(j);
2271 if (!copy)
2272 return -ENOMEM;
2273
2274 *job = copy;
2275 }
2276
cc377381 2277 return 1;
fb6becb4
LP
2278}
2279
cc377381
LP
2280int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2281 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP
2282 int r;
2283
2284 assert(manager);
2285 assert(unit);
2286
cc377381 2287 r = sd_bus_call_method(
fb6becb4
LP
2288 manager->bus,
2289 "org.freedesktop.systemd1",
2290 "/org/freedesktop/systemd1",
2291 "org.freedesktop.systemd1.Manager",
2292 "StartUnit",
fb6becb4 2293 error,
cc377381
LP
2294 &reply,
2295 "ss", unit, "fail");
2296 if (r < 0)
fb6becb4 2297 return r;
fb6becb4
LP
2298
2299 if (job) {
2300 const char *j;
2301 char *copy;
2302
cc377381
LP
2303 r = sd_bus_message_read(reply, "o", &j);
2304 if (r < 0)
2305 return r;
fb6becb4
LP
2306
2307 copy = strdup(j);
2308 if (!copy)
2309 return -ENOMEM;
2310
2311 *job = copy;
2312 }
2313
cc377381 2314 return 1;
fb6becb4
LP
2315}
2316
cc377381
LP
2317int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2318 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP
2319 int r;
2320
2321 assert(manager);
2322 assert(unit);
2323
cc377381 2324 r = sd_bus_call_method(
fb6becb4
LP
2325 manager->bus,
2326 "org.freedesktop.systemd1",
2327 "/org/freedesktop/systemd1",
2328 "org.freedesktop.systemd1.Manager",
2329 "StopUnit",
fb6becb4 2330 error,
cc377381
LP
2331 &reply,
2332 "ss", unit, "fail");
fb6becb4 2333 if (r < 0) {
cc377381
LP
2334 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2335 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
6797c324
LP
2336
2337 if (job)
2338 *job = NULL;
2339
cc377381 2340 sd_bus_error_free(error);
6797c324
LP
2341 return 0;
2342 }
2343
fb6becb4
LP
2344 return r;
2345 }
2346
2347 if (job) {
2348 const char *j;
2349 char *copy;
2350
cc377381
LP
2351 r = sd_bus_message_read(reply, "o", &j);
2352 if (r < 0)
2353 return r;
fb6becb4
LP
2354
2355 copy = strdup(j);
2356 if (!copy)
2357 return -ENOMEM;
2358
2359 *job = copy;
2360 }
2361
6797c324 2362 return 1;
fb6becb4
LP
2363}
2364
5f41d1f1 2365int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
5f41d1f1
LP
2366 _cleanup_free_ char *path = NULL;
2367 int r;
2368
2369 assert(manager);
2370 assert(scope);
2371
2372 path = unit_dbus_path_from_name(scope);
2373 if (!path)
2374 return -ENOMEM;
2375
2376 r = sd_bus_call_method(
2377 manager->bus,
2378 "org.freedesktop.systemd1",
2379 path,
2380 "org.freedesktop.systemd1.Scope",
2381 "Abandon",
2382 error,
2383 NULL,
2384 NULL);
2385 if (r < 0) {
2386 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
4e2f8d27
LP
2387 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2388 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
5f41d1f1
LP
2389 sd_bus_error_free(error);
2390 return 0;
2391 }
2392
2393 return r;
2394 }
2395
2396 return 1;
2397}
2398
cc377381 2399int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
fb6becb4
LP
2400 assert(manager);
2401 assert(unit);
2402
cc377381 2403 return sd_bus_call_method(
fb6becb4
LP
2404 manager->bus,
2405 "org.freedesktop.systemd1",
2406 "/org/freedesktop/systemd1",
2407 "org.freedesktop.systemd1.Manager",
2408 "KillUnit",
fb6becb4 2409 error,
cc377381
LP
2410 NULL,
2411 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
fb6becb4
LP
2412}
2413
2414int manager_unit_is_active(Manager *manager, const char *unit) {
cc377381
LP
2415 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2416 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4 2417 _cleanup_free_ char *path = NULL;
fb6becb4 2418 const char *state;
fb6becb4
LP
2419 int r;
2420
2421 assert(manager);
2422 assert(unit);
2423
fb6becb4
LP
2424 path = unit_dbus_path_from_name(unit);
2425 if (!path)
2426 return -ENOMEM;
2427
cc377381 2428 r = sd_bus_get_property(
fb6becb4
LP
2429 manager->bus,
2430 "org.freedesktop.systemd1",
2431 path,
cc377381
LP
2432 "org.freedesktop.systemd1.Unit",
2433 "ActiveState",
fb6becb4 2434 &error,
cc377381
LP
2435 &reply,
2436 "s");
fb6becb4 2437 if (r < 0) {
cc377381
LP
2438 /* systemd might have droppped off momentarily, let's
2439 * not make this an error */
2440 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2441 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
6797c324 2442 return true;
6797c324 2443
cc377381
LP
2444 /* If the unit is already unloaded then it's not
2445 * active */
2446 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2447 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
6797c324 2448 return false;
6797c324 2449
fb6becb4
LP
2450 return r;
2451 }
2452
cc377381
LP
2453 r = sd_bus_message_read(reply, "s", &state);
2454 if (r < 0)
fb6becb4 2455 return -EINVAL;
fb6becb4 2456
cc377381
LP
2457 return !streq(state, "inactive") && !streq(state, "failed");
2458}
2459
2460int manager_job_is_active(Manager *manager, const char *path) {
2461 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2462 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2463 int r;
2464
2465 assert(manager);
2466 assert(path);
2467
2468 r = sd_bus_get_property(
2469 manager->bus,
2470 "org.freedesktop.systemd1",
2471 path,
2472 "org.freedesktop.systemd1.Job",
2473 "State",
2474 &error,
2475 &reply,
2476 "s");
2477 if (r < 0) {
2478 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2479 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2480 return true;
2481
2482 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2483 return false;
2484
2485 return r;
fb6becb4
LP
2486 }
2487
cc377381
LP
2488 /* We don't actually care about the state really. The fact
2489 * that we could read the job state is enough for us */
fb6becb4 2490
cc377381 2491 return true;
fb6becb4 2492}