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Make systemctl --root look for files in the proper places
[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
b5d3e168
KS		 1308static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1309 Manager *m = userdata;
1310
1311 assert(e);
1312 assert(m);
1313
1314 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1315 return 0;
1316}
1317
1318int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1319 int r;
1320
1321 assert(m);
1322
1323 if (until <= now(CLOCK_MONOTONIC))
1324 return 0;
1325
1326 /* We want to ignore the lid switch for a while after each
1327 * suspend, and after boot-up. Hence let's install a timer for
1328 * this. As long as the event source exists we ignore the lid
1329 * switch. */
1330
1331 if (m->lid_switch_ignore_event_source) {
1332 usec_t u;
1333
1334 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1335 if (r < 0)
1336 return r;
1337
1338 if (until <= u)
1339 return 0;
1340
1341 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1342 } else
6a0f1f6d
LP		 1343 r = sd_event_add_time(
1344 m->event,
1345 &m->lid_switch_ignore_event_source,
1346 CLOCK_MONOTONIC,
1347 until, 0,
1348 lid_switch_ignore_handler, m);
b5d3e168
KS		 1349
1350 return r;
1351}
1352
314b4b0a
LP		 1353static int execute_shutdown_or_sleep(
1354 Manager *m,
1355 InhibitWhat w,
1356 const char *unit_name,
cc377381 1357 sd_bus_error *error) {
314b4b0a 1358
cc377381
LP		 1359 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1360 const char *p;
af9792ac 1361 char *c;
cc377381 1362 int r;
eecd1362 1363
af9792ac 1364 assert(m);
314b4b0a
LP		 1365 assert(w >= 0);
1366 assert(w < _INHIBIT_WHAT_MAX);
d889a206 1367 assert(unit_name);
eecd1362 1368
314b4b0a
LP		 1369 bus_manager_log_shutdown(m, w, unit_name);
1370
cc377381 1371 r = sd_bus_call_method(
af9792ac 1372 m->bus,
eecd1362
LP		 1373 "org.freedesktop.systemd1",
1374 "/org/freedesktop/systemd1",
1375 "org.freedesktop.systemd1.Manager",
b9c26b41 1376 "StartUnit",
af9792ac 1377 error,
cc377381
LP		 1378 &reply,
1379 "ss", unit_name, "replace-irreversibly");
af9792ac
LP		 1380 if (r < 0)
1381 return r;
1382
cc377381
LP		 1383 r = sd_bus_message_read(reply, "o", &p);
1384 if (r < 0)
1385 return r;
af9792ac
LP		 1386
1387 c = strdup(p);
1388 if (!c)
1389 return -ENOMEM;
1390
314b4b0a 1391 m->action_unit = unit_name;
af9792ac
LP		 1392 free(m->action_job);
1393 m->action_job = c;
314b4b0a 1394 m->action_what = w;
af9792ac 1395
f9cd6be1
LP		 1396 /* Make sure the lid switch is ignored for a while */
1397 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + IGNORE_LID_SWITCH_SUSPEND_USEC);
1398
af9792ac 1399 return 0;
eecd1362
LP		 1400}
1401
314b4b0a
LP		 1402static int delay_shutdown_or_sleep(
1403 Manager *m,
1404 InhibitWhat w,
1405 const char *unit_name) {
eecd1362 1406
eecd1362 1407 assert(m);
d889a206
LP		 1408 assert(w >= 0);
1409 assert(w < _INHIBIT_WHAT_MAX);
314b4b0a 1410 assert(unit_name);
eecd1362 1411
314b4b0a
LP		 1412 m->action_timestamp = now(CLOCK_MONOTONIC);
1413 m->action_unit = unit_name;
1414 m->action_what = w;
d889a206
LP		 1415
1416 return 0;
1417}
1418
cc377381 1419static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
d889a206 1420
cc377381
LP		 1421 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1422 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1423 [INHIBIT_SLEEP] = "PrepareForSleep"
1424 };
1425
1426 int active = _active;
877d54e9
LP		 1427
1428 assert(m);
314b4b0a
LP		 1429 assert(w >= 0);
1430 assert(w < _INHIBIT_WHAT_MAX);
1431 assert(signal_name[w]);
877d54e9 1432
cc377381
LP		 1433 return sd_bus_emit_signal(m->bus,
1434 "/org/freedesktop/login1",
1435 "org.freedesktop.login1.Manager",
1436 signal_name[w],
1437 "b",
dd9f0525 1438 active);
877d54e9
LP		 1439}
1440
069cfc85
LP		 1441int bus_manager_shutdown_or_sleep_now_or_later(
1442 Manager *m,
1443 const char *unit_name,
1444 InhibitWhat w,
cc377381 1445 sd_bus_error *error) {
069cfc85
LP		 1446
1447 bool delayed;
1448 int r;
1449
1450 assert(m);
1451 assert(unit_name);
1452 assert(w >= 0);
1453 assert(w <= _INHIBIT_WHAT_MAX);
af9792ac 1454 assert(!m->action_job);
069cfc85 1455
314b4b0a
LP		 1456 /* Tell everybody to prepare for shutdown/sleep */
1457 send_prepare_for(m, w, true);
1458
069cfc85
LP		 1459 delayed =
1460 m->inhibit_delay_max > 0 &&
85a428c6 1461 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
069cfc85
LP		 1462
1463 if (delayed)
1464 /* Shutdown is delayed, keep in mind what we
1465 * want to do, and start a timeout */
1466 r = delay_shutdown_or_sleep(m, w, unit_name);
314b4b0a 1467 else
069cfc85
LP		 1468 /* Shutdown is not delayed, execute it
1469 * immediately */
314b4b0a 1470 r = execute_shutdown_or_sleep(m, w, unit_name, error);
069cfc85
LP		 1471
1472 return r;
1473}
1474
cc377381 1475static int method_do_shutdown_or_sleep(
d889a206 1476 Manager *m,
cc377381 1477 sd_bus_message *message,
d889a206
LP		 1478 const char *unit_name,
1479 InhibitWhat w,
1480 const char *action,
1481 const char *action_multiple_sessions,
1482 const char *action_ignore_inhibit,
19adb8a3 1483 const char *sleep_verb,
ebcf1f97
LP		 1484 sd_bus_message_handler_t method,
1485 sd_bus_error *error) {
d889a206 1486
5b12334d 1487 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
069cfc85 1488 bool multiple_sessions, blocked;
cc377381
LP		 1489 int interactive, r;
1490 uid_t uid;
d889a206
LP		 1491
1492 assert(m);
d889a206
LP		 1493 assert(message);
1494 assert(unit_name);
1495 assert(w >= 0);
1496 assert(w <= _INHIBIT_WHAT_MAX);
1497 assert(action);
1498 assert(action_multiple_sessions);
1499 assert(action_ignore_inhibit);
cc377381
LP		 1500 assert(method);
1501
1502 r = sd_bus_message_read(message, "b", &interactive);
1503 if (r < 0)
ebcf1f97 1504 return r;
d889a206 1505
314b4b0a
LP		 1506 /* Don't allow multiple jobs being executed at the same time */
1507 if (m->action_what)
ebcf1f97 1508 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
d889a206 1509
19adb8a3
ZJS		 1510 if (sleep_verb) {
1511 r = can_sleep(sleep_verb);
6524990f 1512 if (r < 0)
ebcf1f97 1513 return r;
6524990f
LP		 1514
1515 if (r == 0)
ebcf1f97 1516 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
6524990f
LP		 1517 }
1518
5b12334d
LP		 1519 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1520 if (r < 0)
1521 return r;
1522
1523 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1524 if (r < 0)
ebcf1f97 1525 return r;
409133be 1526
cc377381 1527 r = have_multiple_sessions(m, uid);
d889a206 1528 if (r < 0)
ebcf1f97 1529 return r;
d889a206
LP		 1530
1531 multiple_sessions = r > 0;
85a428c6 1532 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
d889a206
LP		 1533
1534 if (multiple_sessions) {
cc377381 1535 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1536 action_multiple_sessions, interactive, error, method, m);
d889a206 1537 if (r < 0)
ebcf1f97 1538 return r;
055d4066
ZJS		 1539 if (r == 0)
1540 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1541 }
1542
1543 if (blocked) {
cc377381 1544 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1545 action_ignore_inhibit, interactive, error, method, m);
d889a206 1546 if (r < 0)
ebcf1f97 1547 return r;
055d4066
ZJS		 1548 if (r == 0)
1549 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1550 }
1551
1552 if (!multiple_sessions && !blocked) {
cc377381 1553 r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
ebcf1f97 1554 action, interactive, error, method, m);
d889a206 1555 if (r < 0)
ebcf1f97 1556 return r;
055d4066
ZJS		 1557 if (r == 0)
1558 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1559 }
1560
ebcf1f97 1561 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
d889a206 1562 if (r < 0)
ebcf1f97 1563 return r;
d889a206 1564
df2d202e 1565 return sd_bus_reply_method_return(message, NULL);
eecd1362
LP		 1566}
1567
ebcf1f97 1568static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
3f49d45a
LP		 1569 Manager *m = userdata;
1570
cc377381
LP		 1571 return method_do_shutdown_or_sleep(
1572 m, message,
1573 SPECIAL_POWEROFF_TARGET,
1574 INHIBIT_SHUTDOWN,
1575 "org.freedesktop.login1.power-off",
1576 "org.freedesktop.login1.power-off-multiple-sessions",
1577 "org.freedesktop.login1.power-off-ignore-inhibit",
1578 NULL,
ebcf1f97
LP		 1579 method_poweroff,
1580 error);
cc377381 1581}
88e3dc90 1582
ebcf1f97 1583static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1584 Manager *m = userdata;
88e3dc90 1585
cc377381
LP		 1586 return method_do_shutdown_or_sleep(
1587 m, message,
1588 SPECIAL_REBOOT_TARGET,
1589 INHIBIT_SHUTDOWN,
1590 "org.freedesktop.login1.reboot",
1591 "org.freedesktop.login1.reboot-multiple-sessions",
1592 "org.freedesktop.login1.reboot-ignore-inhibit",
1593 NULL,
ebcf1f97
LP		 1594 method_reboot,
1595 error);
cc377381 1596}
88e3dc90 1597
ebcf1f97 1598static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1599 Manager *m = userdata;
88e3dc90 1600
cc377381
LP		 1601 return method_do_shutdown_or_sleep(
1602 m, message,
1603 SPECIAL_SUSPEND_TARGET,
1604 INHIBIT_SLEEP,
1605 "org.freedesktop.login1.suspend",
1606 "org.freedesktop.login1.suspend-multiple-sessions",
1607 "org.freedesktop.login1.suspend-ignore-inhibit",
1608 "suspend",
ebcf1f97
LP		 1609 method_suspend,
1610 error);
cc377381 1611}
88e3dc90 1612
ebcf1f97 1613static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1614 Manager *m = userdata;
b6160029 1615
cc377381
LP		 1616 return method_do_shutdown_or_sleep(
1617 m, message,
1618 SPECIAL_HIBERNATE_TARGET,
1619 INHIBIT_SLEEP,
1620 "org.freedesktop.login1.hibernate",
1621 "org.freedesktop.login1.hibernate-multiple-sessions",
1622 "org.freedesktop.login1.hibernate-ignore-inhibit",
1623 "hibernate",
ebcf1f97
LP		 1624 method_hibernate,
1625 error);
cc377381 1626}
fa2b196d 1627
ebcf1f97 1628static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1629 Manager *m = userdata;
fa2b196d 1630
cc377381
LP		 1631 return method_do_shutdown_or_sleep(
1632 m, message,
1633 SPECIAL_HYBRID_SLEEP_TARGET,
1634 INHIBIT_SLEEP,
1635 "org.freedesktop.login1.hibernate",
1636 "org.freedesktop.login1.hibernate-multiple-sessions",
1637 "org.freedesktop.login1.hibernate-ignore-inhibit",
1638 "hybrid-sleep",
ebcf1f97
LP		 1639 method_hybrid_sleep,
1640 error);
cc377381 1641}
de07ab16 1642
cc377381
LP		 1643static int method_can_shutdown_or_sleep(
1644 Manager *m,
1645 sd_bus_message *message,
1646 InhibitWhat w,
1647 const char *action,
1648 const char *action_multiple_sessions,
1649 const char *action_ignore_inhibit,
ebcf1f97
LP		 1650 const char *sleep_verb,
1651 sd_bus_error *error) {
de07ab16 1652
5b12334d 1653 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1654 bool multiple_sessions, challenge, blocked;
1655 const char *result = NULL;
1656 uid_t uid;
1657 int r;
de07ab16 1658
cc377381
LP		 1659 assert(m);
1660 assert(message);
1661 assert(w >= 0);
1662 assert(w <= _INHIBIT_WHAT_MAX);
1663 assert(action);
1664 assert(action_multiple_sessions);
1665 assert(action_ignore_inhibit);
de07ab16 1666
cc377381
LP		 1667 if (sleep_verb) {
1668 r = can_sleep(sleep_verb);
de07ab16 1669 if (r < 0)
ebcf1f97 1670 return r;
cc377381 1671 if (r == 0)
df2d202e 1672 return sd_bus_reply_method_return(message, "s", "na");
cc377381 1673 }
de07ab16 1674
5b12334d
LP		 1675 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1676 if (r < 0)
1677 return r;
1678
1679 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1680 if (r < 0)
ebcf1f97 1681 return r;
de07ab16 1682
cc377381
LP		 1683 r = have_multiple_sessions(m, uid);
1684 if (r < 0)
ebcf1f97 1685 return r;
de07ab16 1686
cc377381 1687 multiple_sessions = r > 0;
85a428c6 1688 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
de07ab16 1689
cc377381 1690 if (multiple_sessions) {
ebcf1f97 1691 r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, error);
de07ab16 1692 if (r < 0)
ebcf1f97 1693 return r;
bef422ae 1694
cc377381
LP		 1695 if (r > 0)
1696 result = "yes";
1697 else if (challenge)
1698 result = "challenge";
1699 else
1700 result = "no";
1701 }
bef422ae 1702
cc377381 1703 if (blocked) {
ebcf1f97 1704 r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error);
bef422ae 1705 if (r < 0)
ebcf1f97 1706 return r;
bef422ae 1707
cc377381
LP		 1708 if (r > 0 && !result)
1709 result = "yes";
1710 else if (challenge && (!result || streq(result, "yes")))
1711 result = "challenge";
1712 else
1713 result = "no";
1714 }
bef422ae 1715
cc377381
LP		 1716 if (!multiple_sessions && !blocked) {
1717 /* If neither inhibit nor multiple sessions
1718 * apply then just check the normal policy */
bef422ae 1719
ebcf1f97 1720 r = bus_verify_polkit(m->bus, message, action, false, &challenge, error);
bef422ae 1721 if (r < 0)
ebcf1f97 1722 return r;
bef422ae 1723
cc377381
LP		 1724 if (r > 0)
1725 result = "yes";
1726 else if (challenge)
1727 result = "challenge";
1728 else
1729 result = "no";
1730 }
bef422ae 1731
df2d202e 1732 return sd_bus_reply_method_return(message, "s", result);
cc377381 1733}
bef422ae 1734
ebcf1f97 1735static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1736 Manager *m = userdata;
bef422ae 1737
cc377381
LP		 1738 return method_can_shutdown_or_sleep(
1739 m, message,
1740 INHIBIT_SHUTDOWN,
1741 "org.freedesktop.login1.power-off",
1742 "org.freedesktop.login1.power-off-multiple-sessions",
1743 "org.freedesktop.login1.power-off-ignore-inhibit",
ebcf1f97
LP		 1744 NULL,
1745 error);
cc377381 1746}
bef422ae 1747
ebcf1f97 1748static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1749 Manager *m = userdata;
bef422ae 1750
cc377381
LP		 1751 return method_can_shutdown_or_sleep(
1752 m, message,
1753 INHIBIT_SHUTDOWN,
1754 "org.freedesktop.login1.reboot",
1755 "org.freedesktop.login1.reboot-multiple-sessions",
1756 "org.freedesktop.login1.reboot-ignore-inhibit",
ebcf1f97
LP		 1757 NULL,
1758 error);
cc377381 1759}
bef422ae 1760
ebcf1f97 1761static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1762 Manager *m = userdata;
7f7bb946 1763
cc377381
LP		 1764 return method_can_shutdown_or_sleep(
1765 m, message,
1766 INHIBIT_SLEEP,
1767 "org.freedesktop.login1.suspend",
1768 "org.freedesktop.login1.suspend-multiple-sessions",
1769 "org.freedesktop.login1.suspend-ignore-inhibit",
ebcf1f97
LP		 1770 "suspend",
1771 error);
cc377381 1772}
7f7bb946 1773
ebcf1f97 1774static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1775 Manager *m = userdata;
02b16a19 1776
cc377381
LP		 1777 return method_can_shutdown_or_sleep(
1778 m, message,
1779 INHIBIT_SLEEP,
1780 "org.freedesktop.login1.hibernate",
1781 "org.freedesktop.login1.hibernate-multiple-sessions",
1782 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1783 "hibernate",
1784 error);
cc377381 1785}
7f7bb946 1786
ebcf1f97 1787static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1788 Manager *m = userdata;
7f7bb946 1789
cc377381
LP		 1790 return method_can_shutdown_or_sleep(
1791 m, message,
1792 INHIBIT_SLEEP,
1793 "org.freedesktop.login1.hibernate",
1794 "org.freedesktop.login1.hibernate-multiple-sessions",
1795 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1796 "hybrid-sleep",
1797 error);
cc377381 1798}
38f3fc7d 1799
ebcf1f97 1800static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
5b12334d 1801 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1802 const char *who, *why, *what, *mode;
1803 _cleanup_free_ char *id = NULL;
1804 _cleanup_close_ int fifo_fd = -1;
1805 Manager *m = userdata;
1806 Inhibitor *i = NULL;
1807 InhibitMode mm;
1808 InhibitWhat w;
1809 pid_t pid;
1810 uid_t uid;
1811 int r;
7f7bb946 1812
cc377381
LP		 1813 assert(bus);
1814 assert(message);
1815 assert(m);
38f3fc7d 1816
cc377381
LP		 1817 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
1818 if (r < 0)
ebcf1f97 1819 return r;
38f3fc7d 1820
cc377381
LP		 1821 w = inhibit_what_from_string(what);
1822 if (w <= 0)
ebcf1f97 1823 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
38f3fc7d 1824
cc377381
LP		 1825 mm = inhibit_mode_from_string(mode);
1826 if (mm < 0)
ebcf1f97 1827 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
7f7bb946 1828
cc377381
LP		 1829 /* Delay is only supported for shutdown/sleep */
1830 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
ebcf1f97 1831 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
38f3fc7d 1832
cc377381
LP		 1833 /* Don't allow taking delay locks while we are already
1834 * executing the operation. We shouldn't create the impression
1835 * that the lock was successful if the machine is about to go
1836 * down/suspend any moment. */
1837 if (m->action_what & w)
ebcf1f97 1838 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
cc377381
LP		 1839
1840 r = bus_verify_polkit_async(bus, &m->polkit_registry, message,
1841 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
1842 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
1843 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
1844 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
1845 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
1846 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
1847 "org.freedesktop.login1.inhibit-handle-lid-switch",
ebcf1f97 1848 false, error, method_inhibit, m);
cc377381 1849 if (r < 0)
ebcf1f97 1850 return r;
cc377381
LP		 1851 if (r == 0)
1852 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
7f7bb946 1853
5b12334d
LP		 1854 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
1855 if (r < 0)
1856 return r;
1857
1858 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1859 if (r < 0)
ebcf1f97 1860 return r;
7f7bb946 1861
5b12334d 1862 r = sd_bus_creds_get_pid(creds, &pid);
cc377381 1863 if (r < 0)
ebcf1f97 1864 return r;
47a26690 1865
cc377381
LP		 1866 do {
1867 free(id);
1868 id = NULL;
47a26690 1869
cc377381 1870 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
ebcf1f97 1871 return -ENOMEM;
47a26690 1872
cc377381 1873 } while (hashmap_get(m->inhibitors, id));
47a26690 1874
cc377381
LP		 1875 r = manager_add_inhibitor(m, id, &i);
1876 if (r < 0)
ebcf1f97 1877 return r;
47a26690 1878
cc377381
LP		 1879 i->what = w;
1880 i->mode = mm;
1881 i->pid = pid;
1882 i->uid = uid;
1883 i->why = strdup(why);
1884 i->who = strdup(who);
7f7bb946 1885
cc377381 1886 if (!i->why || !i->who) {
ebcf1f97 1887 r = -ENOMEM;
cc377381
LP		 1888 goto fail;
1889 }
b668e064 1890
cc377381
LP		 1891 fifo_fd = inhibitor_create_fifo(i);
1892 if (fifo_fd < 0) {
ebcf1f97 1893 r = fifo_fd;
cc377381
LP		 1894 goto fail;
1895 }
b668e064 1896
cc377381 1897 inhibitor_start(i);
b668e064 1898
df2d202e 1899 return sd_bus_reply_method_return(message, "h", fifo_fd);
b668e064 1900
cc377381
LP		 1901fail:
1902 if (i)
1903 inhibitor_free(i);
89f13440 1904
cc377381
LP		 1905 return r;
1906}
3f49d45a 1907
cc377381
LP		 1908const sd_bus_vtable manager_vtable[] = {
1909 SD_BUS_VTABLE_START(0),
1910
556089dc
LP		 1911 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
1912 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
1913 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
1914 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1915 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1916 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1917 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1918 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1919 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
556089dc
LP		 1920 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
1921 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
1922 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
1923 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
1924 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
1925 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1926 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1927 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1928 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1929
adacb957
LP		 1930 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1931 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1932 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1933 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1934 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1935 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1936 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1937 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1938 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
a4cd87e9 1939 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
cc377381 1940 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
adacb957
LP		 1941 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1942 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1943 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
1944 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
1945 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
1946 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
adacb957
LP		 1947 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1948 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1949 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1950 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1951 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1952 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1953 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1954 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1955 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1956 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1957 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1958 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1959 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1960 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1961 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1962 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1963 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1964 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1965 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1966
1967 SD_BUS_SIGNAL("SessionNew", "so", 0),
1968 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
1969 SD_BUS_SIGNAL("UserNew", "uo", 0),
1970 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
1971 SD_BUS_SIGNAL("SeatNew", "so", 0),
1972 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
1973 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
1974 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
1975
1976 SD_BUS_VTABLE_END
1977};
3f49d45a 1978
99e7e392
DH		 1979static int session_jobs_reply(Session *s, const char *unit, const char *result) {
1980 int r = 0;
1981
1982 assert(s);
1983 assert(unit);
1984
1985 if (!s->started)
1986 return r;
1987
1988 if (streq(result, "done"))
1989 r = session_send_create_reply(s, NULL);
1990 else {
1991 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
1992
1993 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
1994 r = session_send_create_reply(s, &e);
1995 }
1996
1997 return r;
1998}
1999
ebcf1f97 2000int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2001 const char *path, *result, *unit;
2002 Manager *m = userdata;
2003 Session *session;
2004 uint32_t id;
2005 User *user;
2006 int r;
3f49d45a 2007
cc377381
LP		 2008 assert(bus);
2009 assert(message);
2010 assert(m);
3f49d45a 2011
cc377381
LP		 2012 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2013 if (r < 0) {
ebcf1f97
LP		 2014 bus_log_parse_error(r);
2015 return r;
cc377381 2016 }
3f49d45a 2017
cc377381
LP		 2018 if (m->action_job && streq(m->action_job, path)) {
2019 log_info("Operation finished.");
3f49d45a 2020
cc377381
LP		 2021 /* Tell people that they now may take a lock again */
2022 send_prepare_for(m, m->action_what, false);
3f49d45a 2023
cc377381
LP		 2024 free(m->action_job);
2025 m->action_job = NULL;
2026 m->action_unit = NULL;
2027 m->action_what = 0;
2028 return 0;
2029 }
3f49d45a 2030
cc377381
LP		 2031 session = hashmap_get(m->session_units, unit);
2032 if (session) {
3f49d45a 2033
cc377381
LP		 2034 if (streq_ptr(path, session->scope_job)) {
2035 free(session->scope_job);
2036 session->scope_job = NULL;
3f49d45a
LP		 2037 }
2038
99e7e392 2039 session_jobs_reply(session, unit, result);
3f49d45a 2040
99e7e392 2041 session_save(session);
cc377381
LP		 2042 session_add_to_gc_queue(session);
2043 }
3f49d45a 2044
cc377381
LP		 2045 user = hashmap_get(m->user_units, unit);
2046 if (user) {
3f49d45a 2047
cc377381
LP		 2048 if (streq_ptr(path, user->service_job)) {
2049 free(user->service_job);
2050 user->service_job = NULL;
3f49d45a
LP		 2051 }
2052
cc377381
LP		 2053 if (streq_ptr(path, user->slice_job)) {
2054 free(user->slice_job);
2055 user->slice_job = NULL;
2056 }
3f49d45a 2057
dd9b67aa 2058 LIST_FOREACH(sessions_by_user, session, user->sessions) {
99e7e392 2059 session_jobs_reply(session, unit, result);
dd9b67aa
LP		 2060 }
2061
cc377381
LP		 2062 user_save(user);
2063 user_add_to_gc_queue(user);
3f49d45a
LP		 2064 }
2065
cc377381 2066 return 0;
3f49d45a
LP		 2067}
2068
ebcf1f97 2069int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 2070 const char *path, *unit;
1713813d 2071 Manager *m = userdata;
cc377381
LP		 2072 Session *session;
2073 User *user;
2074 int r;
1713813d 2075
cc377381 2076 assert(bus);
1713813d 2077 assert(message);
cc377381 2078 assert(m);
1713813d 2079
cc377381
LP		 2080 r = sd_bus_message_read(message, "so", &unit, &path);
2081 if (r < 0) {
ebcf1f97
LP		 2082 bus_log_parse_error(r);
2083 return r;
cc377381 2084 }
fb6becb4 2085
cc377381
LP		 2086 session = hashmap_get(m->session_units, unit);
2087 if (session)
2088 session_add_to_gc_queue(session);
fb6becb4 2089
cc377381
LP		 2090 user = hashmap_get(m->user_units, unit);
2091 if (user)
2092 user_add_to_gc_queue(user);
fb6becb4 2093
cc377381
LP		 2094 return 0;
2095}
fb6becb4 2096
ebcf1f97 2097int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2098 _cleanup_free_ char *unit = NULL;
2099 Manager *m = userdata;
2100 const char *path;
2101 Session *session;
2102 User *user;
ebcf1f97 2103 int r;
fb6becb4 2104
cc377381
LP		 2105 assert(bus);
2106 assert(message);
2107 assert(m);
fb6becb4 2108
cc377381
LP		 2109 path = sd_bus_message_get_path(message);
2110 if (!path)
2111 return 0;
fb6becb4 2112
ebcf1f97
LP		 2113 r = unit_name_from_dbus_path(path, &unit);
2114 if (r < 0)
a87105a3
ZJS		 2115 /* quietly ignore non-units paths */
2116 return r == -EINVAL ? 0 : r;
fb6becb4 2117
cc377381
LP		 2118 session = hashmap_get(m->session_units, unit);
2119 if (session)
2120 session_add_to_gc_queue(session);
fb6becb4 2121
cc377381
LP		 2122 user = hashmap_get(m->user_units, unit);
2123 if (user)
2124 user_add_to_gc_queue(user);
fb6becb4 2125
cc377381
LP		 2126 return 0;
2127}
6fa48533 2128
ebcf1f97 2129int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2130 Manager *m = userdata;
2131 Session *session;
2132 Iterator i;
2133 int b, r;
943aca8e 2134
cc377381 2135 assert(bus);
943aca8e 2136
cc377381
LP		 2137 r = sd_bus_message_read(message, "b", &b);
2138 if (r < 0) {
ebcf1f97
LP		 2139 bus_log_parse_error(r);
2140 return r;
cc377381 2141 }
943aca8e 2142
cc377381
LP		 2143 if (b)
2144 return 0;
943aca8e 2145
cc377381
LP		 2146 /* systemd finished reloading, let's recheck all our sessions */
2147 log_debug("System manager has been reloaded, rechecking sessions...");
6797c324 2148
cc377381
LP		 2149 HASHMAP_FOREACH(session, m->sessions, i)
2150 session_add_to_gc_queue(session);
6797c324 2151
cc377381
LP		 2152 return 0;
2153}
943aca8e 2154
ebcf1f97 2155int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2156 const char *name, *old, *new;
2157 Manager *m = userdata;
2158 Session *session;
2159 Iterator i;
2160 int r;
943aca8e 2161
6797c324 2162
cc377381 2163 char *key;
e8b212fe 2164
cc377381
LP		 2165 r = sd_bus_message_read(message, "sss", &name, &old, &new);
2166 if (r < 0) {
ebcf1f97
LP		 2167 bus_log_parse_error(r);
2168 return r;
cc377381 2169 }
e8b212fe 2170
cc377381
LP		 2171 if (isempty(old) || !isempty(new))
2172 return 0;
e8b212fe 2173
cc377381
LP		 2174 key = set_remove(m->busnames, (char*) old);
2175 if (!key)
2176 return 0;
ae5e06bd 2177
cc377381 2178 /* Drop all controllers owned by this name */
ae5e06bd 2179
cc377381 2180 free(key);
1713813d 2181
cc377381
LP		 2182 HASHMAP_FOREACH(session, m->sessions, i)
2183 if (session_is_controller(session, old))
2184 session_drop_controller(session);
1713813d 2185
cc377381 2186 return 0;
1713813d
LP		 2187}
2188
cc377381
LP		 2189int manager_send_changed(Manager *manager, const char *property, ...) {
2190 char **l;
9418f147
LP		 2191
2192 assert(manager);
2193
cc377381 2194 l = strv_from_stdarg_alloca(property);
9418f147 2195
cc377381
LP		 2196 return sd_bus_emit_properties_changed_strv(
2197 manager->bus,
2198 "/org/freedesktop/login1",
2199 "org.freedesktop.login1.Manager",
2200 l);
9418f147 2201}
eecd1362 2202
d889a206 2203int manager_dispatch_delayed(Manager *manager) {
cc377381 2204 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
85a428c6 2205 Inhibitor *offending = NULL;
eecd1362
LP		 2206 int r;
2207
2208 assert(manager);
2209
84286536 2210 if (manager->action_what == 0 || manager->action_job)
eecd1362
LP		 2211 return 0;
2212
2213 /* Continue delay? */
85a428c6
LP		 2214 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2215 _cleanup_free_ char *comm = NULL, *u = NULL;
2216
2217 get_process_comm(offending->pid, &comm);
2218 u = uid_to_name(offending->uid);
eecd1362 2219
314b4b0a
LP		 2220 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2221 return 0;
af9792ac 2222
85a428c6
LP		 2223 log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.",
2224 (unsigned long) offending->uid, strna(u),
2225 (unsigned long) offending->pid, strna(comm));
314b4b0a 2226 }
eecd1362 2227
314b4b0a 2228 /* Actually do the operation */
314b4b0a 2229 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
eecd1362 2230 if (r < 0) {
cc377381 2231 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
314b4b0a
LP		 2232
2233 manager->action_unit = NULL;
2234 manager->action_what = 0;
eecd1362
LP		 2235 return r;
2236 }
2237
eecd1362
LP		 2238 return 1;
2239}
fb6becb4
LP		 2240
2241int manager_start_scope(
2242 Manager *manager,
2243 const char *scope,
2244 pid_t pid,
2245 const char *slice,
2246 const char *description,
ba4c5d93 2247 const char *after, const char *after2,
cc377381 2248 sd_bus_error *error,
fb6becb4
LP		 2249 char **job) {
2250
cc377381
LP		 2251 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2252 int r;
fb6becb4
LP		 2253
2254 assert(manager);
2255 assert(scope);
2256 assert(pid > 1);
2257
cc377381
LP		 2258 r = sd_bus_message_new_method_call(
2259 manager->bus,
151b9b96 2260 &m,
fb6becb4
LP		 2261 "org.freedesktop.systemd1",
2262 "/org/freedesktop/systemd1",
2263 "org.freedesktop.systemd1.Manager",
151b9b96 2264 "StartTransientUnit");
cc377381
LP		 2265 if (r < 0)
2266 return r;
fb6becb4 2267
cc377381
LP		 2268 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2269 if (r < 0)
2270 return r;
fb6becb4 2271
cc377381
LP		 2272 r = sd_bus_message_open_container(m, 'a', "(sv)");
2273 if (r < 0)
2274 return r;
fb6becb4
LP		 2275
2276 if (!isempty(slice)) {
cc377381
LP		 2277 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2278 if (r < 0)
2279 return r;
fb6becb4
LP		 2280 }
2281
2282 if (!isempty(description)) {
cc377381
LP		 2283 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2284 if (r < 0)
2285 return r;
fb6becb4
LP		 2286 }
2287
ba4c5d93 2288 if (!isempty(after)) {
cc377381
LP		 2289 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2290 if (r < 0)
2291 return r;
7fb3ee51
LP		 2292 }
2293
ba4c5d93
LP		 2294 if (!isempty(after2)) {
2295 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2296 if (r < 0)
2297 return r;
2298 }
2299
fb6becb4
LP		 2300 /* cgroup empty notification is not available in containers
2301 * currently. To make this less problematic, let's shorten the
2302 * stop timeout for sessions, so that we don't wait
2303 * forever. */
2304
743e8945
LP		 2305 /* Make sure that the session shells are terminated with
2306 * SIGHUP since bash and friends tend to ignore SIGTERM */
cc377381
LP		 2307 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2308 if (r < 0)
2309 return r;
2310
2311 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2312 if (r < 0)
2313 return r;
2314
2315 r = sd_bus_message_close_container(m);
2316 if (r < 0)
2317 return r;
86b8d289
LP		 2318
2319 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2320 if (r < 0)
2321 return r;
cc377381 2322
c49b30a2 2323 r = sd_bus_call(manager->bus, m, 0, error, &reply);
cc377381
LP		 2324 if (r < 0)
2325 return r;
fb6becb4
LP		 2326
2327 if (job) {
2328 const char *j;
2329 char *copy;
2330
cc377381
LP		 2331 r = sd_bus_message_read(reply, "o", &j);
2332 if (r < 0)
2333 return r;
fb6becb4
LP		 2334
2335 copy = strdup(j);
2336 if (!copy)
2337 return -ENOMEM;
2338
2339 *job = copy;
2340 }
2341
cc377381 2342 return 1;
fb6becb4
LP		 2343}
2344
cc377381
LP		 2345int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2346 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2347 int r;
2348
2349 assert(manager);
2350 assert(unit);
2351
cc377381 2352 r = sd_bus_call_method(
fb6becb4
LP		 2353 manager->bus,
2354 "org.freedesktop.systemd1",
2355 "/org/freedesktop/systemd1",
2356 "org.freedesktop.systemd1.Manager",
2357 "StartUnit",
fb6becb4 2358 error,
cc377381
LP		 2359 &reply,
2360 "ss", unit, "fail");
2361 if (r < 0)
fb6becb4 2362 return r;
fb6becb4
LP		 2363
2364 if (job) {
2365 const char *j;
2366 char *copy;
2367
cc377381
LP		 2368 r = sd_bus_message_read(reply, "o", &j);
2369 if (r < 0)
2370 return r;
fb6becb4
LP		 2371
2372 copy = strdup(j);
2373 if (!copy)
2374 return -ENOMEM;
2375
2376 *job = copy;
2377 }
2378
cc377381 2379 return 1;
fb6becb4
LP		 2380}
2381
cc377381
LP		 2382int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2383 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2384 int r;
2385
2386 assert(manager);
2387 assert(unit);
2388
cc377381 2389 r = sd_bus_call_method(
fb6becb4
LP		 2390 manager->bus,
2391 "org.freedesktop.systemd1",
2392 "/org/freedesktop/systemd1",
2393 "org.freedesktop.systemd1.Manager",
2394 "StopUnit",
fb6becb4 2395 error,
cc377381
LP		 2396 &reply,
2397 "ss", unit, "fail");
fb6becb4 2398 if (r < 0) {
cc377381
LP		 2399 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2400 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
6797c324
LP		 2401
2402 if (job)
2403 *job = NULL;
2404
cc377381 2405 sd_bus_error_free(error);
6797c324
LP		 2406 return 0;
2407 }
2408
fb6becb4
LP		 2409 return r;
2410 }
2411
2412 if (job) {
2413 const char *j;
2414 char *copy;
2415
cc377381
LP		 2416 r = sd_bus_message_read(reply, "o", &j);
2417 if (r < 0)
2418 return r;
fb6becb4
LP		 2419
2420 copy = strdup(j);
2421 if (!copy)
2422 return -ENOMEM;
2423
2424 *job = copy;
2425 }
2426
6797c324 2427 return 1;
fb6becb4
LP		 2428}
2429
5f41d1f1 2430int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
5f41d1f1
LP		 2431 _cleanup_free_ char *path = NULL;
2432 int r;
2433
2434 assert(manager);
2435 assert(scope);
2436
2437 path = unit_dbus_path_from_name(scope);
2438 if (!path)
2439 return -ENOMEM;
2440
2441 r = sd_bus_call_method(
2442 manager->bus,
2443 "org.freedesktop.systemd1",
2444 path,
2445 "org.freedesktop.systemd1.Scope",
2446 "Abandon",
2447 error,
2448 NULL,
2449 NULL);
2450 if (r < 0) {
2451 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
4e2f8d27
LP		 2452 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2453 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
5f41d1f1
LP		 2454 sd_bus_error_free(error);
2455 return 0;
2456 }
2457
2458 return r;
2459 }
2460
2461 return 1;
2462}
2463
cc377381 2464int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
fb6becb4
LP		 2465 assert(manager);
2466 assert(unit);
2467
cc377381 2468 return sd_bus_call_method(
fb6becb4
LP		 2469 manager->bus,
2470 "org.freedesktop.systemd1",
2471 "/org/freedesktop/systemd1",
2472 "org.freedesktop.systemd1.Manager",
2473 "KillUnit",
fb6becb4 2474 error,
cc377381
LP		 2475 NULL,
2476 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
fb6becb4
LP		 2477}
2478
2479int manager_unit_is_active(Manager *manager, const char *unit) {
cc377381
LP		 2480 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2481 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4 2482 _cleanup_free_ char *path = NULL;
fb6becb4 2483 const char *state;
fb6becb4
LP		 2484 int r;
2485
2486 assert(manager);
2487 assert(unit);
2488
fb6becb4
LP		 2489 path = unit_dbus_path_from_name(unit);
2490 if (!path)
2491 return -ENOMEM;
2492
cc377381 2493 r = sd_bus_get_property(
fb6becb4
LP		 2494 manager->bus,
2495 "org.freedesktop.systemd1",
2496 path,
cc377381
LP		 2497 "org.freedesktop.systemd1.Unit",
2498 "ActiveState",
fb6becb4 2499 &error,
cc377381
LP		 2500 &reply,
2501 "s");
fb6becb4 2502 if (r < 0) {
cc377381
LP		 2503 /* systemd might have droppped off momentarily, let's
2504 * not make this an error */
2505 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2506 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
6797c324 2507 return true;
6797c324 2508
cc377381
LP		 2509 /* If the unit is already unloaded then it's not
2510 * active */
2511 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2512 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
6797c324 2513 return false;
6797c324 2514
fb6becb4
LP		 2515 return r;
2516 }
2517
cc377381
LP		 2518 r = sd_bus_message_read(reply, "s", &state);
2519 if (r < 0)
fb6becb4 2520 return -EINVAL;
fb6becb4 2521
cc377381
LP		 2522 return !streq(state, "inactive") && !streq(state, "failed");
2523}
2524
2525int manager_job_is_active(Manager *manager, const char *path) {
2526 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2527 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2528 int r;
2529
2530 assert(manager);
2531 assert(path);
2532
2533 r = sd_bus_get_property(
2534 manager->bus,
2535 "org.freedesktop.systemd1",
2536 path,
2537 "org.freedesktop.systemd1.Job",
2538 "State",
2539 &error,
2540 &reply,
2541 "s");
2542 if (r < 0) {
2543 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2544 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2545 return true;
2546
2547 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2548 return false;
2549
2550 return r;
fb6becb4
LP		 2551 }
2552
cc377381
LP		 2553 /* We don't actually care about the state really. The fact
2554 * that we could read the job state is enough for us */
fb6becb4 2555
cc377381 2556 return true;
fb6becb4 2557}
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