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build-sys: add libsystemd-label to network/dhcp users
[thirdparty/systemd.git] / src / login / logind-dbus.c
CommitLineData
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
5430f7f2
LP		 9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
3f49d45a
LP		 11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5430f7f2 16 Lesser General Public License for more details.
3f49d45a 17
5430f7f2 18 You should have received a copy of the GNU Lesser General Public License
3f49d45a
LP		 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>
adacb957 26#include <sys/capability.h>
a185c5aa 27
cc377381
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"
9444b1f2
LP		 37#include "utf8.h"
38#include "unit-name.h"
fb6becb4 39#include "virt.h"
cc377381
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,
ebcf1f97
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);
a185c5aa
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,
ebcf1f97
LP		 92 void *userdata,
93 sd_bus_error *error) {
cc377381
LP		 94
95 Manager *m = userdata;
f8e2fb7b 96 InhibitWhat w;
f8e2fb7b 97
cc377381
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,
ebcf1f97
LP		 113 void *userdata,
114 sd_bus_error *error) {
cc377381
LP		 115
116 Manager *m = userdata;
117 bool b;
5e4a79da 118
cc377381
LP		 119 assert(bus);
120 assert(reply);
121 assert(m);
5e4a79da
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);
5e4a79da
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
4e724d9c
LP		 170 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
171
cc377381
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) {
5b12334d
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
cc377381
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;
cc377381
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);
cc377381
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
cc377381
LP		 234 assert(bus);
235 assert(message);
98a28fef 236 assert(m);
cc377381 237
4e724d9c
LP		 238 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
239
cc377381
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) {
5b12334d
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;
4e724d9c
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
236af516
DH		 597 log_debug("Sending reply about an existing session: "
598 "id=%s object_path=%s uid=%u runtime_path=%s "
599 "session_fd=%d seat=%s vtnr=%u",
600 session->id,
601 path,
602 (uint32_t) session->user->uid,
603 session->user->runtime_path,
604 fifo_fd,
605 session->seat ? session->seat->id : "",
606 (uint32_t) session->vtnr);
607
cc377381 608 return sd_bus_reply_method_return(
baae0358 609 message, "soshusub",
cc377381
LP		 610 session->id,
611 path,
612 session->user->runtime_path,
613 fifo_fd,
baae0358 614 (uint32_t) session->user->uid,
cc377381
LP		 615 session->seat ? session->seat->id : "",
616 (uint32_t) session->vtnr,
617 true);
954449b8 618 }
21c390cc 619
954449b8
LP		 620 audit_session_from_pid(leader, &audit_id);
621 if (audit_id > 0) {
622 /* Keep our session IDs and the audit session IDs in sync */
21c390cc 623
cc377381 624 if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0)
ebcf1f97 625 return -ENOMEM;
21c390cc 626
954449b8
LP		 627 /* Wut? There's already a session by this name and we
628 * didn't find it above? Weird, then let's not trust
629 * the audit data and let's better register a new
630 * ID */
631 if (hashmap_get(m->sessions, id)) {
4b549144 632 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
954449b8 633 audit_id = 0;
8ea913b2 634
954449b8
LP		 635 free(id);
636 id = NULL;
07714753 637 }
954449b8 638 }
07714753 639
954449b8 640 if (!id) {
07714753
LP		 641 do {
642 free(id);
f8e2fb7b 643 id = NULL;
07714753 644
cc377381 645 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
ebcf1f97 646 return -ENOMEM;
07714753
LP		 647
648 } while (hashmap_get(m->sessions, id));
98a28fef
LP		 649 }
650
954449b8 651 r = manager_add_user_by_uid(m, uid, &user);
ebcf1f97 652 if (r < 0)
954449b8
LP		 653 goto fail;
654
9444b1f2 655 r = manager_add_session(m, id, &session);
ebcf1f97 656 if (r < 0)
98a28fef
LP		 657 goto fail;
658
9444b1f2
LP		 659 session_set_user(session, user);
660
98a28fef
LP		 661 session->leader = leader;
662 session->audit_id = audit_id;
663 session->type = t;
55efac6c 664 session->class = c;
98a28fef 665 session->remote = remote;
98a28fef
LP		 666 session->vtnr = vtnr;
667
98a28fef
LP		 668 if (!isempty(tty)) {
669 session->tty = strdup(tty);
670 if (!session->tty) {
ebcf1f97 671 r = -ENOMEM;
98a28fef
LP		 672 goto fail;
673 }
674 }
675
676 if (!isempty(display)) {
677 session->display = strdup(display);
678 if (!session->display) {
ebcf1f97 679 r = -ENOMEM;
98a28fef
LP		 680 goto fail;
681 }
682 }
683
684 if (!isempty(remote_user)) {
685 session->remote_user = strdup(remote_user);
686 if (!session->remote_user) {
ebcf1f97 687 r = -ENOMEM;
98a28fef
LP		 688 goto fail;
689 }
690 }
691
692 if (!isempty(remote_host)) {
693 session->remote_host = strdup(remote_host);
694 if (!session->remote_host) {
ebcf1f97 695 r = -ENOMEM;
98a28fef
LP		 696 goto fail;
697 }
698 }
699
700 if (!isempty(service)) {
701 session->service = strdup(service);
702 if (!session->service) {
ebcf1f97 703 r = -ENOMEM;
98a28fef
LP		 704 goto fail;
705 }
706 }
707
a4cd87e9
LP		 708 if (!isempty(desktop)) {
709 session->desktop = strdup(desktop);
710 if (!session->desktop) {
711 r = -ENOMEM;
712 goto fail;
713 }
714 }
715
954449b8
LP		 716 if (seat) {
717 r = seat_attach_session(seat, session);
ebcf1f97 718 if (r < 0)
98a28fef
LP		 719 goto fail;
720 }
721
722 r = session_start(session);
ebcf1f97 723 if (r < 0)
98a28fef
LP		 724 goto fail;
725
cc377381 726 session->create_message = sd_bus_message_ref(message);
98a28fef 727
cba38758
LP		 728 /* Now, let's wait until the slice unit and stuff got
729 * created. We send the reply back from
730 * session_send_create_reply().*/
731
cc377381 732 return 1;
98a28fef
LP		 733
734fail:
98a28fef
LP		 735 if (session)
736 session_add_to_gc_queue(session);
737
738 if (user)
739 user_add_to_gc_queue(user);
740
98a28fef
LP		 741 return r;
742}
743
ebcf1f97 744static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 745 Manager *m = userdata;
746 Session *session;
747 const char *name;
748 int r;
314b4b0a 749
cc377381
LP		 750 assert(bus);
751 assert(message);
752 assert(m);
753
754 r = sd_bus_message_read(message, "s", &name);
755 if (r < 0)
ebcf1f97 756 return r;
cc377381
LP		 757
758 session = hashmap_get(m->sessions, name);
759 if (!session)
ebcf1f97 760 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381 761
5f41d1f1 762 session_release(session);
cc377381 763
df2d202e 764 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 765}
766
ebcf1f97 767static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 768 Manager *m = userdata;
769 Session *session;
770 const char *name;
771 int r;
f8e2fb7b 772
cc377381
LP		 773 assert(bus);
774 assert(message);
f8e2fb7b 775 assert(m);
cc377381
LP		 776
777 r = sd_bus_message_read(message, "s", &name);
778 if (r < 0)
ebcf1f97 779 return r;
cc377381
LP		 780
781 session = hashmap_get(m->sessions, name);
782 if (!session)
ebcf1f97 783 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381
LP		 784
785 r = session_activate(session);
786 if (r < 0)
ebcf1f97 787 return r;
cc377381 788
df2d202e 789 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 790}
791
ebcf1f97 792static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 793 const char *session_name, *seat_name;
794 Manager *m = userdata;
795 Session *session;
796 Seat *seat;
797 int r;
798
799 assert(bus);
f8e2fb7b 800 assert(message);
cc377381 801 assert(m);
f8e2fb7b 802
cc377381
LP		 803 /* Same as ActivateSession() but refuses to work if
804 * the seat doesn't match */
f8e2fb7b 805
cc377381
LP		 806 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
807 if (r < 0)
ebcf1f97 808 return r;
eecd1362 809
cc377381
LP		 810 session = hashmap_get(m->sessions, session_name);
811 if (!session)
ebcf1f97 812 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name);
beaafb2e 813
cc377381
LP		 814 seat = hashmap_get(m->seats, seat_name);
815 if (!seat)
ebcf1f97 816 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name);
314b4b0a 817
cc377381 818 if (session->seat != seat)
ebcf1f97 819 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
cc377381
LP		 820
821 r = session_activate(session);
f8e2fb7b 822 if (r < 0)
ebcf1f97 823 return r;
f8e2fb7b 824
df2d202e 825 return sd_bus_reply_method_return(message, NULL);
cc377381 826}
f8e2fb7b 827
ebcf1f97 828static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 829 Manager *m = userdata;
830 Session *session;
831 const char *name;
832 int r;
f8e2fb7b 833
cc377381
LP		 834 assert(bus);
835 assert(message);
836 assert(m);
f8e2fb7b 837
cc377381
LP		 838 r = sd_bus_message_read(message, "s", &name);
839 if (r < 0)
ebcf1f97 840 return r;
f8e2fb7b 841
cc377381
LP		 842 session = hashmap_get(m->sessions, name);
843 if (!session)
ebcf1f97 844 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
f8e2fb7b 845
cc377381 846 r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession"));
f8e2fb7b 847 if (r < 0)
ebcf1f97 848 return r;
f8e2fb7b 849
df2d202e 850 return sd_bus_reply_method_return(message, NULL);
cc377381 851}
f8e2fb7b 852
ebcf1f97 853static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 854 Manager *m = userdata;
855 int r;
f8e2fb7b 856
cc377381
LP		 857 assert(bus);
858 assert(message);
859 assert(m);
f8e2fb7b 860
cc377381
LP		 861 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
862 if (r < 0)
ebcf1f97 863 return r;
f8e2fb7b 864
df2d202e 865 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 866}
867
ebcf1f97 868static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 869 const char *name, *swho;
870 Manager *m = userdata;
871 Session *session;
872 int32_t signo;
873 KillWho who;
874 int r;
875
876 assert(bus);
877 assert(message);
878 assert(m);
879
880 r = sd_bus_message_read(message, "ssi", &name, &swho, &signo);
881 if (r < 0)
ebcf1f97 882 return r;
cc377381
LP		 883
884 if (isempty(swho))
885 who = KILL_ALL;
886 else {
887 who = kill_who_from_string(swho);
888 if (who < 0)
ebcf1f97 889 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
f8e2fb7b
LP		 890 }
891
cc377381 892 if (signo <= 0 || signo >= _NSIG)
ebcf1f97 893 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
f8e2fb7b 894
cc377381
LP		 895 session = hashmap_get(m->sessions, name);
896 if (!session)
ebcf1f97 897 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
f8e2fb7b 898
cc377381
LP		 899 r = session_kill(session, who, signo);
900 if (r < 0)
ebcf1f97 901 return r;
f8e2fb7b 902
df2d202e 903 return sd_bus_reply_method_return(message, NULL);
cc377381 904}
f8e2fb7b 905
ebcf1f97 906static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 907 Manager *m = userdata;
908 uint32_t uid;
909 int32_t signo;
910 User *user;
911 int r;
f8e2fb7b 912
cc377381
LP		 913 assert(bus);
914 assert(message);
915 assert(m);
916
917 r = sd_bus_message_read(message, "ui", &uid, &signo);
918 if (r < 0)
ebcf1f97 919 return r;
cc377381
LP		 920
921 if (signo <= 0 || signo >= _NSIG)
ebcf1f97 922 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
cc377381
LP		 923
924 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
925 if (!user)
ebcf1f97 926 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
cc377381
LP		 927
928 r = user_kill(user, signo);
929 if (r < 0)
ebcf1f97 930 return r;
cc377381 931
df2d202e 932 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 933}
934
ebcf1f97 935static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 936 Manager *m = userdata;
937 const char *name;
938 Session *session;
939 int r;
940
941 assert(bus);
942 assert(message);
943 assert(m);
944
945 r = sd_bus_message_read(message, "s", &name);
946 if (r < 0)
ebcf1f97 947 return r;
cc377381
LP		 948
949 session = hashmap_get(m->sessions, name);
950 if (!session)
ebcf1f97 951 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
cc377381 952
9bb69af4 953 r = session_stop(session, true);
cc377381 954 if (r < 0)
ebcf1f97 955 return r;
cc377381 956
df2d202e 957 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 958}
959
ebcf1f97 960static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 961 Manager *m = userdata;
962 uint32_t uid;
963 User *user;
964 int r;
965
966 assert(bus);
967 assert(message);
968 assert(m);
969
970 r = sd_bus_message_read(message, "u", &uid);
971 if (r < 0)
ebcf1f97 972 return r;
cc377381
LP		 973
974 user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
975 if (!user)
ebcf1f97 976 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
cc377381 977
9bb69af4 978 r = user_stop(user, true);
cc377381 979 if (r < 0)
ebcf1f97 980 return r;
cc377381 981
df2d202e 982 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 983}
984
ebcf1f97 985static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 986 Manager *m = userdata;
987 const char *name;
988 Seat *seat;
989 int r;
990
991 assert(bus);
992 assert(message);
993 assert(m);
994
995 r = sd_bus_message_read(message, "s", &name);
996 if (r < 0)
ebcf1f97 997 return r;
cc377381
LP		 998
999 seat = hashmap_get(m->seats, name);
1000 if (!seat)
ebcf1f97 1001 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
cc377381 1002
9bb69af4 1003 r = seat_stop_sessions(seat, true);
cc377381 1004 if (r < 0)
ebcf1f97 1005 return r;
cc377381 1006
df2d202e 1007 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 1008}
1009
ebcf1f97 1010static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1011 _cleanup_free_ char *cc = NULL;
1012 Manager *m = userdata;
1013 int b, r;
1014 struct passwd *pw;
1015 const char *path;
1016 uint32_t uid;
1017 int interactive;
1018
1019 assert(bus);
1020 assert(message);
1021 assert(m);
1022
1023 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1024 if (r < 0)
ebcf1f97 1025 return r;
cc377381
LP		 1026
1027 errno = 0;
1028 pw = getpwuid(uid);
1029 if (!pw)
ebcf1f97 1030 return errno ? -errno : -ENOENT;
cc377381
LP		 1031
1032 r = bus_verify_polkit_async(bus,
1033 &m->polkit_registry,
1034 message,
1035 "org.freedesktop.login1.set-user-linger",
1036 interactive,
ebcf1f97 1037 error,
cc377381
LP		 1038 method_set_user_linger, m);
1039 if (r < 0)
ebcf1f97 1040 return r;
cc377381
LP		 1041 if (r == 0)
1042 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1043
1044 mkdir_p_label("/var/lib/systemd", 0755);
1045
1046 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1047 if (r < 0)
ebcf1f97 1048 return r;
cc377381
LP		 1049
1050 cc = cescape(pw->pw_name);
1051 if (!cc)
ebcf1f97 1052 return -ENOMEM;
cc377381
LP		 1053
1054 path = strappenda("/var/lib/systemd/linger/", cc);
1055 if (b) {
1056 User *u;
1057
1058 r = touch(path);
1059 if (r < 0)
ebcf1f97 1060 return r;
cc377381
LP		 1061
1062 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1063 user_start(u);
1064
1065 } else {
1066 User *u;
1067
1068 r = unlink(path);
1069 if (r < 0 && errno != ENOENT)
ebcf1f97 1070 return -errno;
cc377381
LP		 1071
1072 u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
1073 if (u)
1074 user_add_to_gc_queue(u);
1075 }
1076
df2d202e 1077 return sd_bus_reply_method_return(message, NULL);
f8e2fb7b
LP		 1078}
1079
2eb916cd 1080static int trigger_device(Manager *m, struct udev_device *d) {
06acf2d4 1081 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
b668e064
LP		 1082 struct udev_list_entry *first, *item;
1083 int r;
1084
1085 assert(m);
1086
1087 e = udev_enumerate_new(m->udev);
06acf2d4
LP		 1088 if (!e)
1089 return -ENOMEM;
b668e064 1090
2eb916cd 1091 if (d) {
06acf2d4
LP		 1092 r = udev_enumerate_add_match_parent(e, d);
1093 if (r < 0)
1094 return r;
2eb916cd
LP		 1095 }
1096
06acf2d4
LP		 1097 r = udev_enumerate_scan_devices(e);
1098 if (r < 0)
1099 return r;
b668e064
LP		 1100
1101 first = udev_enumerate_get_list_entry(e);
1102 udev_list_entry_foreach(item, first) {
cc377381 1103 _cleanup_free_ char *t = NULL;
b668e064
LP		 1104 const char *p;
1105
1106 p = udev_list_entry_get_name(item);
1107
b668e064 1108 t = strappend(p, "/uevent");
06acf2d4
LP		 1109 if (!t)
1110 return -ENOMEM;
b668e064 1111
574d5f2d 1112 write_string_file(t, "change");
b668e064
LP		 1113 }
1114
06acf2d4 1115 return 0;
b668e064
LP		 1116}
1117
47a26690 1118static int attach_device(Manager *m, const char *seat, const char *sysfs) {
06acf2d4 1119 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
7fd1b19b 1120 _cleanup_free_ char *rule = NULL, *file = NULL;
c28fa3d3 1121 const char *id_for_seat;
47a26690
LP		 1122 int r;
1123
1124 assert(m);
1125 assert(seat);
1126 assert(sysfs);
1127
1128 d = udev_device_new_from_syspath(m->udev, sysfs);
1129 if (!d)
1130 return -ENODEV;
1131
06acf2d4
LP		 1132 if (!udev_device_has_tag(d, "seat"))
1133 return -ENODEV;
47a26690 1134
c28fa3d3 1135 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
06acf2d4
LP		 1136 if (!id_for_seat)
1137 return -ENODEV;
47a26690 1138
06acf2d4
LP		 1139 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1140 return -ENOMEM;
47a26690 1141
06acf2d4
LP		 1142 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1143 return -ENOMEM;
47a26690 1144
d2e54fae 1145 mkdir_p_label("/etc/udev/rules.d", 0755);
a5c32cff 1146 label_init("/etc");
574d5f2d 1147 r = write_string_file_atomic_label(file, rule);
a0a0c7f1 1148 if (r < 0)
06acf2d4 1149 return r;
47a26690 1150
06acf2d4 1151 return trigger_device(m, d);
47a26690
LP		 1152}
1153
b668e064 1154static int flush_devices(Manager *m) {
7fd1b19b 1155 _cleanup_closedir_ DIR *d;
b668e064
LP		 1156
1157 assert(m);
1158
1159 d = opendir("/etc/udev/rules.d");
1160 if (!d) {
1161 if (errno != ENOENT)
1162 log_warning("Failed to open /etc/udev/rules.d: %m");
1163 } else {
1164 struct dirent *de;
1165
1166 while ((de = readdir(d))) {
1167
1168 if (!dirent_is_file(de))
1169 continue;
1170
1171 if (!startswith(de->d_name, "72-seat-"))
1172 continue;
1173
1174 if (!endswith(de->d_name, ".rules"))
1175 continue;
1176
1177 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1178 log_warning("Failed to unlink %s: %m", de->d_name);
1179 }
b668e064
LP		 1180 }
1181
1182 return trigger_device(m, NULL);
1183}
1184
ebcf1f97 1185static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1186 const char *sysfs, *seat;
1187 Manager *m = userdata;
1188 int interactive, r;
1189
1190 assert(bus);
1191 assert(message);
1192 assert(m);
1193
1194 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1195 if (r < 0)
ebcf1f97 1196 return r;
cc377381
LP		 1197
1198 if (!path_startswith(sysfs, "/sys"))
ebcf1f97 1199 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
cc377381
LP		 1200
1201 if (!seat_name_is_valid(seat))
ebcf1f97 1202 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
cc377381
LP		 1203
1204 r = bus_verify_polkit_async(bus,
1205 &m->polkit_registry,
1206 message,
1207 "org.freedesktop.login1.attach-device",
1208 interactive,
ebcf1f97 1209 error,
cc377381
LP		 1210 method_attach_device, m);
1211 if (r < 0)
ebcf1f97 1212 return r;
cc377381
LP		 1213 if (r == 0)
1214 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1215
1216 r = attach_device(m, seat, sysfs);
1217 if (r < 0)
ebcf1f97 1218 return r;
cc377381 1219
df2d202e 1220 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 1221}
1222
ebcf1f97 1223static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1224 Manager *m = userdata;
1225 int interactive, r;
1226
1227 assert(bus);
1228 assert(message);
1229 assert(m);
1230
1231 r = sd_bus_message_read(message, "b", &interactive);
1232 if (r < 0)
ebcf1f97 1233 return r;
cc377381
LP		 1234
1235 r = bus_verify_polkit_async(bus,
1236 &m->polkit_registry,
1237 message,
1238 "org.freedesktop.login1.flush-devices",
1239 interactive,
ebcf1f97 1240 error,
cc377381
LP		 1241 method_flush_devices, m);
1242 if (r < 0)
ebcf1f97 1243 return r;
cc377381
LP		 1244 if (r == 0)
1245 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1246
1247 r = flush_devices(m);
1248 if (r < 0)
ebcf1f97 1249 return r;
cc377381 1250
df2d202e 1251 return sd_bus_reply_method_return(message, NULL);
cc377381
LP		 1252}
1253
89f13440 1254static int have_multiple_sessions(
89f13440 1255 Manager *m,
409133be 1256 uid_t uid) {
89f13440 1257
2154761f
MS		 1258 Session *session;
1259 Iterator i;
89f13440
LP		 1260
1261 assert(m);
1262
1ca04b87
LP		 1263 /* Check for other users' sessions. Greeter sessions do not
1264 * count, and non-login sessions do not count either. */
2154761f 1265 HASHMAP_FOREACH(session, m->sessions, i)
1ca04b87 1266 if (session->class == SESSION_USER &&
1ca04b87 1267 session->user->uid != uid)
2154761f 1268 return true;
89f13440
LP		 1269
1270 return false;
1271}
1272
314b4b0a
LP		 1273static int bus_manager_log_shutdown(
1274 Manager *m,
1275 InhibitWhat w,
1276 const char *unit_name) {
1277
1278 const char *p, *q;
1279
1280 assert(m);
1281 assert(unit_name);
1282
1283 if (w != INHIBIT_SHUTDOWN)
1284 return 0;
1285
1286 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1287 p = "MESSAGE=System is powering down.";
1288 q = "SHUTDOWN=power-off";
1289 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1290 p = "MESSAGE=System is halting.";
1291 q = "SHUTDOWN=halt";
1292 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1293 p = "MESSAGE=System is rebooting.";
1294 q = "SHUTDOWN=reboot";
1295 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1296 p = "MESSAGE=System is rebooting with kexec.";
1297 q = "SHUTDOWN=kexec";
1298 } else {
1299 p = "MESSAGE=System is shutting down.";
1300 q = NULL;
1301 }
1302
1303 return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1304 p,
1305 q, NULL);
1306}
1307
1308static int execute_shutdown_or_sleep(
1309 Manager *m,
1310 InhibitWhat w,
1311 const char *unit_name,
cc377381 1312 sd_bus_error *error) {
314b4b0a 1313
cc377381
LP		 1314 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1315 const char *p;
af9792ac 1316 char *c;
cc377381 1317 int r;
eecd1362 1318
af9792ac 1319 assert(m);
314b4b0a
LP		 1320 assert(w >= 0);
1321 assert(w < _INHIBIT_WHAT_MAX);
d889a206 1322 assert(unit_name);
eecd1362 1323
314b4b0a
LP		 1324 bus_manager_log_shutdown(m, w, unit_name);
1325
cc377381 1326 r = sd_bus_call_method(
af9792ac 1327 m->bus,
eecd1362
LP		 1328 "org.freedesktop.systemd1",
1329 "/org/freedesktop/systemd1",
1330 "org.freedesktop.systemd1.Manager",
b9c26b41 1331 "StartUnit",
af9792ac 1332 error,
cc377381
LP		 1333 &reply,
1334 "ss", unit_name, "replace-irreversibly");
af9792ac
LP		 1335 if (r < 0)
1336 return r;
1337
cc377381
LP		 1338 r = sd_bus_message_read(reply, "o", &p);
1339 if (r < 0)
1340 return r;
af9792ac
LP		 1341
1342 c = strdup(p);
1343 if (!c)
1344 return -ENOMEM;
1345
314b4b0a 1346 m->action_unit = unit_name;
af9792ac
LP		 1347 free(m->action_job);
1348 m->action_job = c;
314b4b0a 1349 m->action_what = w;
af9792ac 1350
f9cd6be1
LP		 1351 /* Make sure the lid switch is ignored for a while */
1352 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + IGNORE_LID_SWITCH_SUSPEND_USEC);
1353
af9792ac 1354 return 0;
eecd1362
LP		 1355}
1356
314b4b0a
LP		 1357static int delay_shutdown_or_sleep(
1358 Manager *m,
1359 InhibitWhat w,
1360 const char *unit_name) {
eecd1362 1361
eecd1362 1362 assert(m);
d889a206
LP		 1363 assert(w >= 0);
1364 assert(w < _INHIBIT_WHAT_MAX);
314b4b0a 1365 assert(unit_name);
eecd1362 1366
314b4b0a
LP		 1367 m->action_timestamp = now(CLOCK_MONOTONIC);
1368 m->action_unit = unit_name;
1369 m->action_what = w;
d889a206
LP		 1370
1371 return 0;
1372}
1373
cc377381 1374static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
d889a206 1375
cc377381
LP		 1376 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1377 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1378 [INHIBIT_SLEEP] = "PrepareForSleep"
1379 };
1380
1381 int active = _active;
877d54e9
LP		 1382
1383 assert(m);
314b4b0a
LP		 1384 assert(w >= 0);
1385 assert(w < _INHIBIT_WHAT_MAX);
1386 assert(signal_name[w]);
877d54e9 1387
cc377381
LP		 1388 return sd_bus_emit_signal(m->bus,
1389 "/org/freedesktop/login1",
1390 "org.freedesktop.login1.Manager",
1391 signal_name[w],
1392 "b",
dd9f0525 1393 active);
877d54e9
LP		 1394}
1395
069cfc85
LP		 1396int bus_manager_shutdown_or_sleep_now_or_later(
1397 Manager *m,
1398 const char *unit_name,
1399 InhibitWhat w,
cc377381 1400 sd_bus_error *error) {
069cfc85
LP		 1401
1402 bool delayed;
1403 int r;
1404
1405 assert(m);
1406 assert(unit_name);
1407 assert(w >= 0);
1408 assert(w <= _INHIBIT_WHAT_MAX);
af9792ac 1409 assert(!m->action_job);
069cfc85 1410
314b4b0a
LP		 1411 /* Tell everybody to prepare for shutdown/sleep */
1412 send_prepare_for(m, w, true);
1413
069cfc85
LP		 1414 delayed =
1415 m->inhibit_delay_max > 0 &&
85a428c6 1416 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
069cfc85
LP		 1417
1418 if (delayed)
1419 /* Shutdown is delayed, keep in mind what we
1420 * want to do, and start a timeout */
1421 r = delay_shutdown_or_sleep(m, w, unit_name);
314b4b0a 1422 else
069cfc85
LP		 1423 /* Shutdown is not delayed, execute it
1424 * immediately */
314b4b0a 1425 r = execute_shutdown_or_sleep(m, w, unit_name, error);
069cfc85
LP		 1426
1427 return r;
1428}
1429
cc377381 1430static int method_do_shutdown_or_sleep(
d889a206 1431 Manager *m,
cc377381 1432 sd_bus_message *message,
d889a206
LP		 1433 const char *unit_name,
1434 InhibitWhat w,
1435 const char *action,
1436 const char *action_multiple_sessions,
1437 const char *action_ignore_inhibit,
19adb8a3 1438 const char *sleep_verb,
ebcf1f97
LP		 1439 sd_bus_message_handler_t method,
1440 sd_bus_error *error) {
d889a206 1441
5b12334d 1442 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
069cfc85 1443 bool multiple_sessions, blocked;
cc377381
LP		 1444 int interactive, r;
1445 uid_t uid;
d889a206
LP		 1446
1447 assert(m);
d889a206
LP		 1448 assert(message);
1449 assert(unit_name);
1450 assert(w >= 0);
1451 assert(w <= _INHIBIT_WHAT_MAX);
1452 assert(action);
1453 assert(action_multiple_sessions);
1454 assert(action_ignore_inhibit);
cc377381
LP		 1455 assert(method);
1456
1457 r = sd_bus_message_read(message, "b", &interactive);
1458 if (r < 0)
ebcf1f97 1459 return r;
d889a206 1460
314b4b0a
LP		 1461 /* Don't allow multiple jobs being executed at the same time */
1462 if (m->action_what)
ebcf1f97 1463 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
d889a206 1464
19adb8a3
ZJS		 1465 if (sleep_verb) {
1466 r = can_sleep(sleep_verb);
6524990f 1467 if (r < 0)
ebcf1f97 1468 return r;
6524990f
LP		 1469
1470 if (r == 0)
ebcf1f97 1471 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
6524990f
LP		 1472 }
1473
5b12334d
LP		 1474 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1475 if (r < 0)
1476 return r;
1477
1478 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1479 if (r < 0)
ebcf1f97 1480 return r;
409133be 1481
cc377381 1482 r = have_multiple_sessions(m, uid);
d889a206 1483 if (r < 0)
ebcf1f97 1484 return r;
d889a206
LP		 1485
1486 multiple_sessions = r > 0;
85a428c6 1487 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
d889a206
LP		 1488
1489 if (multiple_sessions) {
cc377381 1490 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1491 action_multiple_sessions, interactive, error, method, m);
d889a206 1492 if (r < 0)
ebcf1f97 1493 return r;
055d4066
ZJS		 1494 if (r == 0)
1495 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1496 }
1497
1498 if (blocked) {
cc377381 1499 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1500 action_ignore_inhibit, interactive, error, method, m);
d889a206 1501 if (r < 0)
ebcf1f97 1502 return r;
055d4066
ZJS		 1503 if (r == 0)
1504 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1505 }
1506
1507 if (!multiple_sessions && !blocked) {
cc377381 1508 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1509 action, interactive, error, method, m);
d889a206 1510 if (r < 0)
ebcf1f97 1511 return r;
055d4066
ZJS		 1512 if (r == 0)
1513 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1514 }
1515
ebcf1f97 1516 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
d889a206 1517 if (r < 0)
ebcf1f97 1518 return r;
d889a206 1519
df2d202e 1520 return sd_bus_reply_method_return(message, NULL);
eecd1362
LP		 1521}
1522
ebcf1f97 1523static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
3f49d45a
LP		 1524 Manager *m = userdata;
1525
cc377381
LP		 1526 return method_do_shutdown_or_sleep(
1527 m, message,
1528 SPECIAL_POWEROFF_TARGET,
1529 INHIBIT_SHUTDOWN,
1530 "org.freedesktop.login1.power-off",
1531 "org.freedesktop.login1.power-off-multiple-sessions",
1532 "org.freedesktop.login1.power-off-ignore-inhibit",
1533 NULL,
ebcf1f97
LP		 1534 method_poweroff,
1535 error);
cc377381 1536}
88e3dc90 1537
ebcf1f97 1538static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1539 Manager *m = userdata;
88e3dc90 1540
cc377381
LP		 1541 return method_do_shutdown_or_sleep(
1542 m, message,
1543 SPECIAL_REBOOT_TARGET,
1544 INHIBIT_SHUTDOWN,
1545 "org.freedesktop.login1.reboot",
1546 "org.freedesktop.login1.reboot-multiple-sessions",
1547 "org.freedesktop.login1.reboot-ignore-inhibit",
1548 NULL,
ebcf1f97
LP		 1549 method_reboot,
1550 error);
cc377381 1551}
88e3dc90 1552
ebcf1f97 1553static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1554 Manager *m = userdata;
88e3dc90 1555
cc377381
LP		 1556 return method_do_shutdown_or_sleep(
1557 m, message,
1558 SPECIAL_SUSPEND_TARGET,
1559 INHIBIT_SLEEP,
1560 "org.freedesktop.login1.suspend",
1561 "org.freedesktop.login1.suspend-multiple-sessions",
1562 "org.freedesktop.login1.suspend-ignore-inhibit",
1563 "suspend",
ebcf1f97
LP		 1564 method_suspend,
1565 error);
cc377381 1566}
88e3dc90 1567
ebcf1f97 1568static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1569 Manager *m = userdata;
b6160029 1570
cc377381
LP		 1571 return method_do_shutdown_or_sleep(
1572 m, message,
1573 SPECIAL_HIBERNATE_TARGET,
1574 INHIBIT_SLEEP,
1575 "org.freedesktop.login1.hibernate",
1576 "org.freedesktop.login1.hibernate-multiple-sessions",
1577 "org.freedesktop.login1.hibernate-ignore-inhibit",
1578 "hibernate",
ebcf1f97
LP		 1579 method_hibernate,
1580 error);
cc377381 1581}
fa2b196d 1582
ebcf1f97 1583static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1584 Manager *m = userdata;
fa2b196d 1585
cc377381
LP		 1586 return method_do_shutdown_or_sleep(
1587 m, message,
1588 SPECIAL_HYBRID_SLEEP_TARGET,
1589 INHIBIT_SLEEP,
1590 "org.freedesktop.login1.hibernate",
1591 "org.freedesktop.login1.hibernate-multiple-sessions",
1592 "org.freedesktop.login1.hibernate-ignore-inhibit",
1593 "hybrid-sleep",
ebcf1f97
LP		 1594 method_hybrid_sleep,
1595 error);
cc377381 1596}
de07ab16 1597
cc377381
LP		 1598static int method_can_shutdown_or_sleep(
1599 Manager *m,
1600 sd_bus_message *message,
1601 InhibitWhat w,
1602 const char *action,
1603 const char *action_multiple_sessions,
1604 const char *action_ignore_inhibit,
ebcf1f97
LP		 1605 const char *sleep_verb,
1606 sd_bus_error *error) {
de07ab16 1607
5b12334d 1608 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1609 bool multiple_sessions, challenge, blocked;
1610 const char *result = NULL;
1611 uid_t uid;
1612 int r;
de07ab16 1613
cc377381
LP		 1614 assert(m);
1615 assert(message);
1616 assert(w >= 0);
1617 assert(w <= _INHIBIT_WHAT_MAX);
1618 assert(action);
1619 assert(action_multiple_sessions);
1620 assert(action_ignore_inhibit);
de07ab16 1621
cc377381
LP		 1622 if (sleep_verb) {
1623 r = can_sleep(sleep_verb);
de07ab16 1624 if (r < 0)
ebcf1f97 1625 return r;
cc377381 1626 if (r == 0)
df2d202e 1627 return sd_bus_reply_method_return(message, "s", "na");
cc377381 1628 }
de07ab16 1629
5b12334d
LP		 1630 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1631 if (r < 0)
1632 return r;
1633
1634 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1635 if (r < 0)
ebcf1f97 1636 return r;
de07ab16 1637
cc377381
LP		 1638 r = have_multiple_sessions(m, uid);
1639 if (r < 0)
ebcf1f97 1640 return r;
de07ab16 1641
cc377381 1642 multiple_sessions = r > 0;
85a428c6 1643 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
de07ab16 1644
cc377381 1645 if (multiple_sessions) {
ebcf1f97 1646 r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, error);
de07ab16 1647 if (r < 0)
ebcf1f97 1648 return r;
bef422ae 1649
cc377381
LP		 1650 if (r > 0)
1651 result = "yes";
1652 else if (challenge)
1653 result = "challenge";
1654 else
1655 result = "no";
1656 }
bef422ae 1657
cc377381 1658 if (blocked) {
ebcf1f97 1659 r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error);
bef422ae 1660 if (r < 0)
ebcf1f97 1661 return r;
bef422ae 1662
cc377381
LP		 1663 if (r > 0 && !result)
1664 result = "yes";
1665 else if (challenge && (!result || streq(result, "yes")))
1666 result = "challenge";
1667 else
1668 result = "no";
1669 }
bef422ae 1670
cc377381
LP		 1671 if (!multiple_sessions && !blocked) {
1672 /* If neither inhibit nor multiple sessions
1673 * apply then just check the normal policy */
bef422ae 1674
ebcf1f97 1675 r = bus_verify_polkit(m->bus, message, action, false, &challenge, error);
bef422ae 1676 if (r < 0)
ebcf1f97 1677 return r;
bef422ae 1678
cc377381
LP		 1679 if (r > 0)
1680 result = "yes";
1681 else if (challenge)
1682 result = "challenge";
1683 else
1684 result = "no";
1685 }
bef422ae 1686
df2d202e 1687 return sd_bus_reply_method_return(message, "s", result);
cc377381 1688}
bef422ae 1689
ebcf1f97 1690static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1691 Manager *m = userdata;
bef422ae 1692
cc377381
LP		 1693 return method_can_shutdown_or_sleep(
1694 m, message,
1695 INHIBIT_SHUTDOWN,
1696 "org.freedesktop.login1.power-off",
1697 "org.freedesktop.login1.power-off-multiple-sessions",
1698 "org.freedesktop.login1.power-off-ignore-inhibit",
ebcf1f97
LP		 1699 NULL,
1700 error);
cc377381 1701}
bef422ae 1702
ebcf1f97 1703static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1704 Manager *m = userdata;
bef422ae 1705
cc377381
LP		 1706 return method_can_shutdown_or_sleep(
1707 m, message,
1708 INHIBIT_SHUTDOWN,
1709 "org.freedesktop.login1.reboot",
1710 "org.freedesktop.login1.reboot-multiple-sessions",
1711 "org.freedesktop.login1.reboot-ignore-inhibit",
ebcf1f97
LP		 1712 NULL,
1713 error);
cc377381 1714}
bef422ae 1715
ebcf1f97 1716static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1717 Manager *m = userdata;
7f7bb946 1718
cc377381
LP		 1719 return method_can_shutdown_or_sleep(
1720 m, message,
1721 INHIBIT_SLEEP,
1722 "org.freedesktop.login1.suspend",
1723 "org.freedesktop.login1.suspend-multiple-sessions",
1724 "org.freedesktop.login1.suspend-ignore-inhibit",
ebcf1f97
LP		 1725 "suspend",
1726 error);
cc377381 1727}
7f7bb946 1728
ebcf1f97 1729static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1730 Manager *m = userdata;
02b16a19 1731
cc377381
LP		 1732 return method_can_shutdown_or_sleep(
1733 m, message,
1734 INHIBIT_SLEEP,
1735 "org.freedesktop.login1.hibernate",
1736 "org.freedesktop.login1.hibernate-multiple-sessions",
1737 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1738 "hibernate",
1739 error);
cc377381 1740}
7f7bb946 1741
ebcf1f97 1742static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1743 Manager *m = userdata;
7f7bb946 1744
cc377381
LP		 1745 return method_can_shutdown_or_sleep(
1746 m, message,
1747 INHIBIT_SLEEP,
1748 "org.freedesktop.login1.hibernate",
1749 "org.freedesktop.login1.hibernate-multiple-sessions",
1750 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1751 "hybrid-sleep",
1752 error);
cc377381 1753}
38f3fc7d 1754
ebcf1f97 1755static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
5b12334d 1756 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1757 const char *who, *why, *what, *mode;
1758 _cleanup_free_ char *id = NULL;
1759 _cleanup_close_ int fifo_fd = -1;
1760 Manager *m = userdata;
1761 Inhibitor *i = NULL;
1762 InhibitMode mm;
1763 InhibitWhat w;
1764 pid_t pid;
1765 uid_t uid;
1766 int r;
7f7bb946 1767
cc377381
LP		 1768 assert(bus);
1769 assert(message);
1770 assert(m);
38f3fc7d 1771
cc377381
LP		 1772 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
1773 if (r < 0)
ebcf1f97 1774 return r;
38f3fc7d 1775
cc377381
LP		 1776 w = inhibit_what_from_string(what);
1777 if (w <= 0)
ebcf1f97 1778 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
38f3fc7d 1779
cc377381
LP		 1780 mm = inhibit_mode_from_string(mode);
1781 if (mm < 0)
ebcf1f97 1782 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
7f7bb946 1783
cc377381
LP		 1784 /* Delay is only supported for shutdown/sleep */
1785 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
ebcf1f97 1786 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
38f3fc7d 1787
cc377381
LP		 1788 /* Don't allow taking delay locks while we are already
1789 * executing the operation. We shouldn't create the impression
1790 * that the lock was successful if the machine is about to go
1791 * down/suspend any moment. */
1792 if (m->action_what & w)
ebcf1f97 1793 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
cc377381
LP		 1794
1795 r = bus_verify_polkit_async(bus, &m->polkit_registry, message,
1796 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
1797 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
1798 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
1799 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
1800 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
1801 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
1802 "org.freedesktop.login1.inhibit-handle-lid-switch",
ebcf1f97 1803 false, error, method_inhibit, m);
cc377381 1804 if (r < 0)
ebcf1f97 1805 return r;
cc377381
LP		 1806 if (r == 0)
1807 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
7f7bb946 1808
5b12334d
LP		 1809 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
1810 if (r < 0)
1811 return r;
1812
1813 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1814 if (r < 0)
ebcf1f97 1815 return r;
7f7bb946 1816
5b12334d 1817 r = sd_bus_creds_get_pid(creds, &pid);
cc377381 1818 if (r < 0)
ebcf1f97 1819 return r;
47a26690 1820
cc377381
LP		 1821 do {
1822 free(id);
1823 id = NULL;
47a26690 1824
cc377381 1825 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
ebcf1f97 1826 return -ENOMEM;
47a26690 1827
cc377381 1828 } while (hashmap_get(m->inhibitors, id));
47a26690 1829
cc377381
LP		 1830 r = manager_add_inhibitor(m, id, &i);
1831 if (r < 0)
ebcf1f97 1832 return r;
47a26690 1833
cc377381
LP		 1834 i->what = w;
1835 i->mode = mm;
1836 i->pid = pid;
1837 i->uid = uid;
1838 i->why = strdup(why);
1839 i->who = strdup(who);
7f7bb946 1840
cc377381 1841 if (!i->why || !i->who) {
ebcf1f97 1842 r = -ENOMEM;
cc377381
LP		 1843 goto fail;
1844 }
b668e064 1845
cc377381
LP		 1846 fifo_fd = inhibitor_create_fifo(i);
1847 if (fifo_fd < 0) {
ebcf1f97 1848 r = fifo_fd;
cc377381
LP		 1849 goto fail;
1850 }
b668e064 1851
cc377381 1852 inhibitor_start(i);
b668e064 1853
df2d202e 1854 return sd_bus_reply_method_return(message, "h", fifo_fd);
b668e064 1855
cc377381
LP		 1856fail:
1857 if (i)
1858 inhibitor_free(i);
89f13440 1859
cc377381
LP		 1860 return r;
1861}
3f49d45a 1862
cc377381
LP		 1863const sd_bus_vtable manager_vtable[] = {
1864 SD_BUS_VTABLE_START(0),
1865
556089dc
LP		 1866 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
1867 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
1868 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
1869 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1870 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1871 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1872 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1873 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1874 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
556089dc
LP		 1875 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
1876 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
1877 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
1878 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
1879 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
1880 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1881 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1882 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1883 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1884
adacb957
LP		 1885 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1886 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1887 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1888 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1889 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1890 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1891 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1892 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1893 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
a4cd87e9 1894 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
cc377381 1895 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
adacb957
LP		 1896 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1897 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1898 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
1899 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
1900 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
1901 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
adacb957
LP		 1902 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1903 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1904 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1905 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1906 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1907 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1908 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1909 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1910 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1911 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1912 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1913 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1914 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1915 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1916 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1917 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1918 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1919 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1920 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1921
1922 SD_BUS_SIGNAL("SessionNew", "so", 0),
1923 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
1924 SD_BUS_SIGNAL("UserNew", "uo", 0),
1925 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
1926 SD_BUS_SIGNAL("SeatNew", "so", 0),
1927 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
1928 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
1929 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
1930
1931 SD_BUS_VTABLE_END
1932};
3f49d45a 1933
99e7e392
DH		 1934static int session_jobs_reply(Session *s, const char *unit, const char *result) {
1935 int r = 0;
1936
1937 assert(s);
1938 assert(unit);
1939
1940 if (!s->started)
1941 return r;
1942
1943 if (streq(result, "done"))
1944 r = session_send_create_reply(s, NULL);
1945 else {
1946 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
1947
1948 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
1949 r = session_send_create_reply(s, &e);
1950 }
1951
1952 return r;
1953}
1954
ebcf1f97 1955int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1956 const char *path, *result, *unit;
1957 Manager *m = userdata;
1958 Session *session;
1959 uint32_t id;
1960 User *user;
1961 int r;
3f49d45a 1962
cc377381
LP		 1963 assert(bus);
1964 assert(message);
1965 assert(m);
3f49d45a 1966
cc377381
LP		 1967 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
1968 if (r < 0) {
ebcf1f97
LP		 1969 bus_log_parse_error(r);
1970 return r;
cc377381 1971 }
3f49d45a 1972
cc377381
LP		 1973 if (m->action_job && streq(m->action_job, path)) {
1974 log_info("Operation finished.");
3f49d45a 1975
cc377381
LP		 1976 /* Tell people that they now may take a lock again */
1977 send_prepare_for(m, m->action_what, false);
3f49d45a 1978
cc377381
LP		 1979 free(m->action_job);
1980 m->action_job = NULL;
1981 m->action_unit = NULL;
1982 m->action_what = 0;
1983 return 0;
1984 }
3f49d45a 1985
cc377381
LP		 1986 session = hashmap_get(m->session_units, unit);
1987 if (session) {
3f49d45a 1988
cc377381
LP		 1989 if (streq_ptr(path, session->scope_job)) {
1990 free(session->scope_job);
1991 session->scope_job = NULL;
3f49d45a
LP		 1992 }
1993
99e7e392 1994 session_jobs_reply(session, unit, result);
3f49d45a 1995
99e7e392 1996 session_save(session);
cc377381
LP		 1997 session_add_to_gc_queue(session);
1998 }
3f49d45a 1999
cc377381
LP		 2000 user = hashmap_get(m->user_units, unit);
2001 if (user) {
3f49d45a 2002
cc377381
LP		 2003 if (streq_ptr(path, user->service_job)) {
2004 free(user->service_job);
2005 user->service_job = NULL;
3f49d45a
LP		 2006 }
2007
cc377381
LP		 2008 if (streq_ptr(path, user->slice_job)) {
2009 free(user->slice_job);
2010 user->slice_job = NULL;
2011 }
3f49d45a 2012
dd9b67aa 2013 LIST_FOREACH(sessions_by_user, session, user->sessions) {
99e7e392 2014 session_jobs_reply(session, unit, result);
dd9b67aa
LP		 2015 }
2016
cc377381
LP		 2017 user_save(user);
2018 user_add_to_gc_queue(user);
3f49d45a
LP		 2019 }
2020
cc377381 2021 return 0;
3f49d45a
LP		 2022}
2023
ebcf1f97 2024int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 2025 const char *path, *unit;
1713813d 2026 Manager *m = userdata;
cc377381
LP		 2027 Session *session;
2028 User *user;
2029 int r;
1713813d 2030
cc377381 2031 assert(bus);
1713813d 2032 assert(message);
cc377381 2033 assert(m);
1713813d 2034
cc377381
LP		 2035 r = sd_bus_message_read(message, "so", &unit, &path);
2036 if (r < 0) {
ebcf1f97
LP		 2037 bus_log_parse_error(r);
2038 return r;
cc377381 2039 }
fb6becb4 2040
cc377381
LP		 2041 session = hashmap_get(m->session_units, unit);
2042 if (session)
2043 session_add_to_gc_queue(session);
fb6becb4 2044
cc377381
LP		 2045 user = hashmap_get(m->user_units, unit);
2046 if (user)
2047 user_add_to_gc_queue(user);
fb6becb4 2048
cc377381
LP		 2049 return 0;
2050}
fb6becb4 2051
ebcf1f97 2052int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2053 _cleanup_free_ char *unit = NULL;
2054 Manager *m = userdata;
2055 const char *path;
2056 Session *session;
2057 User *user;
ebcf1f97 2058 int r;
fb6becb4 2059
cc377381
LP		 2060 assert(bus);
2061 assert(message);
2062 assert(m);
fb6becb4 2063
cc377381
LP		 2064 path = sd_bus_message_get_path(message);
2065 if (!path)
2066 return 0;
fb6becb4 2067
ebcf1f97
LP		 2068 r = unit_name_from_dbus_path(path, &unit);
2069 if (r < 0)
a87105a3
ZJS		 2070 /* quietly ignore non-units paths */
2071 return r == -EINVAL ? 0 : r;
fb6becb4 2072
cc377381
LP		 2073 session = hashmap_get(m->session_units, unit);
2074 if (session)
2075 session_add_to_gc_queue(session);
fb6becb4 2076
cc377381
LP		 2077 user = hashmap_get(m->user_units, unit);
2078 if (user)
2079 user_add_to_gc_queue(user);
fb6becb4 2080
cc377381
LP		 2081 return 0;
2082}
6fa48533 2083
ebcf1f97 2084int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2085 Manager *m = userdata;
2086 Session *session;
2087 Iterator i;
2088 int b, r;
943aca8e 2089
cc377381 2090 assert(bus);
943aca8e 2091
cc377381
LP		 2092 r = sd_bus_message_read(message, "b", &b);
2093 if (r < 0) {
ebcf1f97
LP		 2094 bus_log_parse_error(r);
2095 return r;
cc377381 2096 }
943aca8e 2097
cc377381
LP		 2098 if (b)
2099 return 0;
943aca8e 2100
cc377381
LP		 2101 /* systemd finished reloading, let's recheck all our sessions */
2102 log_debug("System manager has been reloaded, rechecking sessions...");
6797c324 2103
cc377381
LP		 2104 HASHMAP_FOREACH(session, m->sessions, i)
2105 session_add_to_gc_queue(session);
6797c324 2106
cc377381
LP		 2107 return 0;
2108}
943aca8e 2109
ebcf1f97 2110int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2111 const char *name, *old, *new;
2112 Manager *m = userdata;
2113 Session *session;
2114 Iterator i;
2115 int r;
943aca8e 2116
6797c324 2117
cc377381 2118 char *key;
e8b212fe 2119
cc377381
LP		 2120 r = sd_bus_message_read(message, "sss", &name, &old, &new);
2121 if (r < 0) {
ebcf1f97
LP		 2122 bus_log_parse_error(r);
2123 return r;
cc377381 2124 }
e8b212fe 2125
cc377381
LP		 2126 if (isempty(old) || !isempty(new))
2127 return 0;
e8b212fe 2128
cc377381
LP		 2129 key = set_remove(m->busnames, (char*) old);
2130 if (!key)
2131 return 0;
ae5e06bd 2132
cc377381 2133 /* Drop all controllers owned by this name */
ae5e06bd 2134
cc377381 2135 free(key);
1713813d 2136
cc377381
LP		 2137 HASHMAP_FOREACH(session, m->sessions, i)
2138 if (session_is_controller(session, old))
2139 session_drop_controller(session);
1713813d 2140
cc377381 2141 return 0;
1713813d
LP		 2142}
2143
cc377381
LP		 2144int manager_send_changed(Manager *manager, const char *property, ...) {
2145 char **l;
9418f147
LP		 2146
2147 assert(manager);
2148
cc377381 2149 l = strv_from_stdarg_alloca(property);
9418f147 2150
cc377381
LP		 2151 return sd_bus_emit_properties_changed_strv(
2152 manager->bus,
2153 "/org/freedesktop/login1",
2154 "org.freedesktop.login1.Manager",
2155 l);
9418f147 2156}
eecd1362 2157
d889a206 2158int manager_dispatch_delayed(Manager *manager) {
cc377381 2159 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
85a428c6 2160 Inhibitor *offending = NULL;
eecd1362
LP		 2161 int r;
2162
2163 assert(manager);
2164
84286536 2165 if (manager->action_what == 0 || manager->action_job)
eecd1362
LP		 2166 return 0;
2167
2168 /* Continue delay? */
85a428c6
LP		 2169 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2170 _cleanup_free_ char *comm = NULL, *u = NULL;
2171
2172 get_process_comm(offending->pid, &comm);
2173 u = uid_to_name(offending->uid);
eecd1362 2174
314b4b0a
LP		 2175 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2176 return 0;
af9792ac 2177
85a428c6
LP		 2178 log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.",
2179 (unsigned long) offending->uid, strna(u),
2180 (unsigned long) offending->pid, strna(comm));
314b4b0a 2181 }
eecd1362 2182
314b4b0a 2183 /* Actually do the operation */
314b4b0a 2184 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
eecd1362 2185 if (r < 0) {
cc377381 2186 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
314b4b0a
LP		 2187
2188 manager->action_unit = NULL;
2189 manager->action_what = 0;
eecd1362
LP		 2190 return r;
2191 }
2192
eecd1362
LP		 2193 return 1;
2194}
fb6becb4
LP		 2195
2196int manager_start_scope(
2197 Manager *manager,
2198 const char *scope,
2199 pid_t pid,
2200 const char *slice,
2201 const char *description,
ba4c5d93 2202 const char *after, const char *after2,
cc377381 2203 sd_bus_error *error,
fb6becb4
LP		 2204 char **job) {
2205
cc377381
LP		 2206 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2207 int r;
fb6becb4
LP		 2208
2209 assert(manager);
2210 assert(scope);
2211 assert(pid > 1);
2212
cc377381
LP		 2213 r = sd_bus_message_new_method_call(
2214 manager->bus,
151b9b96 2215 &m,
fb6becb4
LP		 2216 "org.freedesktop.systemd1",
2217 "/org/freedesktop/systemd1",
2218 "org.freedesktop.systemd1.Manager",
151b9b96 2219 "StartTransientUnit");
cc377381
LP		 2220 if (r < 0)
2221 return r;
fb6becb4 2222
cc377381
LP		 2223 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2224 if (r < 0)
2225 return r;
fb6becb4 2226
cc377381
LP		 2227 r = sd_bus_message_open_container(m, 'a', "(sv)");
2228 if (r < 0)
2229 return r;
fb6becb4
LP		 2230
2231 if (!isempty(slice)) {
cc377381
LP		 2232 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2233 if (r < 0)
2234 return r;
fb6becb4
LP		 2235 }
2236
2237 if (!isempty(description)) {
cc377381
LP		 2238 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2239 if (r < 0)
2240 return r;
fb6becb4
LP		 2241 }
2242
ba4c5d93 2243 if (!isempty(after)) {
cc377381
LP		 2244 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2245 if (r < 0)
2246 return r;
7fb3ee51
LP		 2247 }
2248
ba4c5d93
LP		 2249 if (!isempty(after2)) {
2250 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2251 if (r < 0)
2252 return r;
2253 }
2254
fb6becb4
LP		 2255 /* cgroup empty notification is not available in containers
2256 * currently. To make this less problematic, let's shorten the
2257 * stop timeout for sessions, so that we don't wait
2258 * forever. */
2259
743e8945
LP		 2260 /* Make sure that the session shells are terminated with
2261 * SIGHUP since bash and friends tend to ignore SIGTERM */
cc377381
LP		 2262 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2263 if (r < 0)
2264 return r;
2265
2266 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2267 if (r < 0)
2268 return r;
2269
2270 r = sd_bus_message_close_container(m);
2271 if (r < 0)
2272 return r;
86b8d289
LP		 2273
2274 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2275 if (r < 0)
2276 return r;
cc377381 2277
c49b30a2 2278 r = sd_bus_call(manager->bus, m, 0, error, &reply);
cc377381
LP		 2279 if (r < 0)
2280 return r;
fb6becb4
LP		 2281
2282 if (job) {
2283 const char *j;
2284 char *copy;
2285
cc377381
LP		 2286 r = sd_bus_message_read(reply, "o", &j);
2287 if (r < 0)
2288 return r;
fb6becb4
LP		 2289
2290 copy = strdup(j);
2291 if (!copy)
2292 return -ENOMEM;
2293
2294 *job = copy;
2295 }
2296
cc377381 2297 return 1;
fb6becb4
LP		 2298}
2299
cc377381
LP		 2300int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2301 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2302 int r;
2303
2304 assert(manager);
2305 assert(unit);
2306
cc377381 2307 r = sd_bus_call_method(
fb6becb4
LP		 2308 manager->bus,
2309 "org.freedesktop.systemd1",
2310 "/org/freedesktop/systemd1",
2311 "org.freedesktop.systemd1.Manager",
2312 "StartUnit",
fb6becb4 2313 error,
cc377381
LP		 2314 &reply,
2315 "ss", unit, "fail");
2316 if (r < 0)
fb6becb4 2317 return r;
fb6becb4
LP		 2318
2319 if (job) {
2320 const char *j;
2321 char *copy;
2322
cc377381
LP		 2323 r = sd_bus_message_read(reply, "o", &j);
2324 if (r < 0)
2325 return r;
fb6becb4
LP		 2326
2327 copy = strdup(j);
2328 if (!copy)
2329 return -ENOMEM;
2330
2331 *job = copy;
2332 }
2333
cc377381 2334 return 1;
fb6becb4
LP		 2335}
2336
cc377381
LP		 2337int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2338 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2339 int r;
2340
2341 assert(manager);
2342 assert(unit);
2343
cc377381 2344 r = sd_bus_call_method(
fb6becb4
LP		 2345 manager->bus,
2346 "org.freedesktop.systemd1",
2347 "/org/freedesktop/systemd1",
2348 "org.freedesktop.systemd1.Manager",
2349 "StopUnit",
fb6becb4 2350 error,
cc377381
LP		 2351 &reply,
2352 "ss", unit, "fail");
fb6becb4 2353 if (r < 0) {
cc377381
LP		 2354 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2355 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
6797c324
LP		 2356
2357 if (job)
2358 *job = NULL;
2359
cc377381 2360 sd_bus_error_free(error);
6797c324
LP		 2361 return 0;
2362 }
2363
fb6becb4
LP		 2364 return r;
2365 }
2366
2367 if (job) {
2368 const char *j;
2369 char *copy;
2370
cc377381
LP		 2371 r = sd_bus_message_read(reply, "o", &j);
2372 if (r < 0)
2373 return r;
fb6becb4
LP		 2374
2375 copy = strdup(j);
2376 if (!copy)
2377 return -ENOMEM;
2378
2379 *job = copy;
2380 }
2381
6797c324 2382 return 1;
fb6becb4
LP		 2383}
2384
5f41d1f1 2385int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
5f41d1f1
LP		 2386 _cleanup_free_ char *path = NULL;
2387 int r;
2388
2389 assert(manager);
2390 assert(scope);
2391
2392 path = unit_dbus_path_from_name(scope);
2393 if (!path)
2394 return -ENOMEM;
2395
2396 r = sd_bus_call_method(
2397 manager->bus,
2398 "org.freedesktop.systemd1",
2399 path,
2400 "org.freedesktop.systemd1.Scope",
2401 "Abandon",
2402 error,
2403 NULL,
2404 NULL);
2405 if (r < 0) {
2406 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
4e2f8d27
LP		 2407 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2408 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
5f41d1f1
LP		 2409 sd_bus_error_free(error);
2410 return 0;
2411 }
2412
2413 return r;
2414 }
2415
2416 return 1;
2417}
2418
cc377381 2419int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
fb6becb4
LP		 2420 assert(manager);
2421 assert(unit);
2422
cc377381 2423 return sd_bus_call_method(
fb6becb4
LP		 2424 manager->bus,
2425 "org.freedesktop.systemd1",
2426 "/org/freedesktop/systemd1",
2427 "org.freedesktop.systemd1.Manager",
2428 "KillUnit",
fb6becb4 2429 error,
cc377381
LP		 2430 NULL,
2431 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
fb6becb4
LP		 2432}
2433
2434int manager_unit_is_active(Manager *manager, const char *unit) {
cc377381
LP		 2435 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2436 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4 2437 _cleanup_free_ char *path = NULL;
fb6becb4 2438 const char *state;
fb6becb4
LP		 2439 int r;
2440
2441 assert(manager);
2442 assert(unit);
2443
fb6becb4
LP		 2444 path = unit_dbus_path_from_name(unit);
2445 if (!path)
2446 return -ENOMEM;
2447
cc377381 2448 r = sd_bus_get_property(
fb6becb4
LP		 2449 manager->bus,
2450 "org.freedesktop.systemd1",
2451 path,
cc377381
LP		 2452 "org.freedesktop.systemd1.Unit",
2453 "ActiveState",
fb6becb4 2454 &error,
cc377381
LP		 2455 &reply,
2456 "s");
fb6becb4 2457 if (r < 0) {
cc377381
LP		 2458 /* systemd might have droppped off momentarily, let's
2459 * not make this an error */
2460 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2461 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
6797c324 2462 return true;
6797c324 2463
cc377381
LP		 2464 /* If the unit is already unloaded then it's not
2465 * active */
2466 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2467 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
6797c324 2468 return false;
6797c324 2469
fb6becb4
LP		 2470 return r;
2471 }
2472
cc377381
LP		 2473 r = sd_bus_message_read(reply, "s", &state);
2474 if (r < 0)
fb6becb4 2475 return -EINVAL;
fb6becb4 2476
cc377381
LP		 2477 return !streq(state, "inactive") && !streq(state, "failed");
2478}
2479
2480int manager_job_is_active(Manager *manager, const char *path) {
2481 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2482 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2483 int r;
2484
2485 assert(manager);
2486 assert(path);
2487
2488 r = sd_bus_get_property(
2489 manager->bus,
2490 "org.freedesktop.systemd1",
2491 path,
2492 "org.freedesktop.systemd1.Job",
2493 "State",
2494 &error,
2495 &reply,
2496 "s");
2497 if (r < 0) {
2498 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2499 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2500 return true;
2501
2502 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2503 return false;
2504
2505 return r;
fb6becb4
LP		 2506 }
2507
cc377381
LP		 2508 /* We don't actually care about the state really. The fact
2509 * that we could read the job state is enough for us */
fb6becb4 2510
cc377381 2511 return true;
fb6becb4 2512}
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