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networkd: update logging macros for parameter order, and errno, to match rest of...
[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)
de0671ee 192 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", 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)
de0671ee 218 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", 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)
de0671ee 260 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", 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
de0671ee 624 if (asprintf(&id, "%"PRIu32, 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)
de0671ee 926 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", 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)
de0671ee 976 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", 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 1031
f3885791
LP		 1032 r = bus_verify_polkit_async(
1033 message,
1034 CAP_SYS_ADMIN,
1035 "org.freedesktop.login1.set-user-linger",
1036 interactive,
1037 &m->polkit_registry,
1038 error);
cc377381 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);
cc56fafe 1146 mac_selinux_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 1203
f3885791
LP		 1204 r = bus_verify_polkit_async(
1205 message,
1206 CAP_SYS_ADMIN,
1207 "org.freedesktop.login1.attach-device",
1208 interactive,
1209 &m->polkit_registry,
1210 error);
cc377381 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 1234
f3885791
LP		 1235 r = bus_verify_polkit_async(
1236 message,
1237 CAP_SYS_ADMIN,
1238 "org.freedesktop.login1.flush-devices",
1239 interactive,
1240 &m->polkit_registry,
1241 error);
cc377381 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) {
f3885791 1535 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, &m->polkit_registry, error);
d889a206 1536 if (r < 0)
ebcf1f97 1537 return r;
055d4066
ZJS		 1538 if (r == 0)
1539 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1540 }
1541
1542 if (blocked) {
f3885791 1543 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, &m->polkit_registry, error);
d889a206 1544 if (r < 0)
ebcf1f97 1545 return r;
055d4066
ZJS		 1546 if (r == 0)
1547 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1548 }
1549
1550 if (!multiple_sessions && !blocked) {
f3885791 1551 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, &m->polkit_registry, error);
d889a206 1552 if (r < 0)
ebcf1f97 1553 return r;
055d4066
ZJS		 1554 if (r == 0)
1555 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
d889a206
LP		 1556 }
1557
ebcf1f97 1558 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
d889a206 1559 if (r < 0)
ebcf1f97 1560 return r;
d889a206 1561
df2d202e 1562 return sd_bus_reply_method_return(message, NULL);
eecd1362
LP		 1563}
1564
ebcf1f97 1565static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
3f49d45a
LP		 1566 Manager *m = userdata;
1567
cc377381
LP		 1568 return method_do_shutdown_or_sleep(
1569 m, message,
1570 SPECIAL_POWEROFF_TARGET,
1571 INHIBIT_SHUTDOWN,
1572 "org.freedesktop.login1.power-off",
1573 "org.freedesktop.login1.power-off-multiple-sessions",
1574 "org.freedesktop.login1.power-off-ignore-inhibit",
1575 NULL,
ebcf1f97
LP		 1576 method_poweroff,
1577 error);
cc377381 1578}
88e3dc90 1579
ebcf1f97 1580static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1581 Manager *m = userdata;
88e3dc90 1582
cc377381
LP		 1583 return method_do_shutdown_or_sleep(
1584 m, message,
1585 SPECIAL_REBOOT_TARGET,
1586 INHIBIT_SHUTDOWN,
1587 "org.freedesktop.login1.reboot",
1588 "org.freedesktop.login1.reboot-multiple-sessions",
1589 "org.freedesktop.login1.reboot-ignore-inhibit",
1590 NULL,
ebcf1f97
LP		 1591 method_reboot,
1592 error);
cc377381 1593}
88e3dc90 1594
ebcf1f97 1595static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1596 Manager *m = userdata;
88e3dc90 1597
cc377381
LP		 1598 return method_do_shutdown_or_sleep(
1599 m, message,
1600 SPECIAL_SUSPEND_TARGET,
1601 INHIBIT_SLEEP,
1602 "org.freedesktop.login1.suspend",
1603 "org.freedesktop.login1.suspend-multiple-sessions",
1604 "org.freedesktop.login1.suspend-ignore-inhibit",
1605 "suspend",
ebcf1f97
LP		 1606 method_suspend,
1607 error);
cc377381 1608}
88e3dc90 1609
ebcf1f97 1610static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1611 Manager *m = userdata;
b6160029 1612
cc377381
LP		 1613 return method_do_shutdown_or_sleep(
1614 m, message,
1615 SPECIAL_HIBERNATE_TARGET,
1616 INHIBIT_SLEEP,
1617 "org.freedesktop.login1.hibernate",
1618 "org.freedesktop.login1.hibernate-multiple-sessions",
1619 "org.freedesktop.login1.hibernate-ignore-inhibit",
1620 "hibernate",
ebcf1f97
LP		 1621 method_hibernate,
1622 error);
cc377381 1623}
fa2b196d 1624
ebcf1f97 1625static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1626 Manager *m = userdata;
fa2b196d 1627
cc377381
LP		 1628 return method_do_shutdown_or_sleep(
1629 m, message,
1630 SPECIAL_HYBRID_SLEEP_TARGET,
1631 INHIBIT_SLEEP,
1632 "org.freedesktop.login1.hibernate",
1633 "org.freedesktop.login1.hibernate-multiple-sessions",
1634 "org.freedesktop.login1.hibernate-ignore-inhibit",
1635 "hybrid-sleep",
ebcf1f97
LP		 1636 method_hybrid_sleep,
1637 error);
cc377381 1638}
de07ab16 1639
cc377381
LP		 1640static int method_can_shutdown_or_sleep(
1641 Manager *m,
1642 sd_bus_message *message,
1643 InhibitWhat w,
1644 const char *action,
1645 const char *action_multiple_sessions,
1646 const char *action_ignore_inhibit,
ebcf1f97
LP		 1647 const char *sleep_verb,
1648 sd_bus_error *error) {
de07ab16 1649
5b12334d 1650 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1651 bool multiple_sessions, challenge, blocked;
1652 const char *result = NULL;
1653 uid_t uid;
1654 int r;
de07ab16 1655
cc377381
LP		 1656 assert(m);
1657 assert(message);
1658 assert(w >= 0);
1659 assert(w <= _INHIBIT_WHAT_MAX);
1660 assert(action);
1661 assert(action_multiple_sessions);
1662 assert(action_ignore_inhibit);
de07ab16 1663
cc377381
LP		 1664 if (sleep_verb) {
1665 r = can_sleep(sleep_verb);
de07ab16 1666 if (r < 0)
ebcf1f97 1667 return r;
cc377381 1668 if (r == 0)
df2d202e 1669 return sd_bus_reply_method_return(message, "s", "na");
cc377381 1670 }
de07ab16 1671
5b12334d
LP		 1672 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
1673 if (r < 0)
1674 return r;
1675
1676 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1677 if (r < 0)
ebcf1f97 1678 return r;
de07ab16 1679
cc377381
LP		 1680 r = have_multiple_sessions(m, uid);
1681 if (r < 0)
ebcf1f97 1682 return r;
de07ab16 1683
cc377381 1684 multiple_sessions = r > 0;
85a428c6 1685 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
de07ab16 1686
cc377381 1687 if (multiple_sessions) {
f3885791 1688 r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, &challenge, error);
de07ab16 1689 if (r < 0)
ebcf1f97 1690 return r;
bef422ae 1691
cc377381
LP		 1692 if (r > 0)
1693 result = "yes";
1694 else if (challenge)
1695 result = "challenge";
1696 else
1697 result = "no";
1698 }
bef422ae 1699
cc377381 1700 if (blocked) {
f3885791 1701 r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, &challenge, error);
bef422ae 1702 if (r < 0)
ebcf1f97 1703 return r;
bef422ae 1704
cc377381
LP		 1705 if (r > 0 && !result)
1706 result = "yes";
1707 else if (challenge && (!result || streq(result, "yes")))
1708 result = "challenge";
1709 else
1710 result = "no";
1711 }
bef422ae 1712
cc377381
LP		 1713 if (!multiple_sessions && !blocked) {
1714 /* If neither inhibit nor multiple sessions
1715 * apply then just check the normal policy */
bef422ae 1716
f3885791 1717 r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, &challenge, error);
bef422ae 1718 if (r < 0)
ebcf1f97 1719 return r;
bef422ae 1720
cc377381
LP		 1721 if (r > 0)
1722 result = "yes";
1723 else if (challenge)
1724 result = "challenge";
1725 else
1726 result = "no";
1727 }
bef422ae 1728
df2d202e 1729 return sd_bus_reply_method_return(message, "s", result);
cc377381 1730}
bef422ae 1731
ebcf1f97 1732static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1733 Manager *m = userdata;
bef422ae 1734
cc377381
LP		 1735 return method_can_shutdown_or_sleep(
1736 m, message,
1737 INHIBIT_SHUTDOWN,
1738 "org.freedesktop.login1.power-off",
1739 "org.freedesktop.login1.power-off-multiple-sessions",
1740 "org.freedesktop.login1.power-off-ignore-inhibit",
ebcf1f97
LP		 1741 NULL,
1742 error);
cc377381 1743}
bef422ae 1744
ebcf1f97 1745static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1746 Manager *m = userdata;
bef422ae 1747
cc377381
LP		 1748 return method_can_shutdown_or_sleep(
1749 m, message,
1750 INHIBIT_SHUTDOWN,
1751 "org.freedesktop.login1.reboot",
1752 "org.freedesktop.login1.reboot-multiple-sessions",
1753 "org.freedesktop.login1.reboot-ignore-inhibit",
ebcf1f97
LP		 1754 NULL,
1755 error);
cc377381 1756}
bef422ae 1757
ebcf1f97 1758static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1759 Manager *m = userdata;
7f7bb946 1760
cc377381
LP		 1761 return method_can_shutdown_or_sleep(
1762 m, message,
1763 INHIBIT_SLEEP,
1764 "org.freedesktop.login1.suspend",
1765 "org.freedesktop.login1.suspend-multiple-sessions",
1766 "org.freedesktop.login1.suspend-ignore-inhibit",
ebcf1f97
LP		 1767 "suspend",
1768 error);
cc377381 1769}
7f7bb946 1770
ebcf1f97 1771static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1772 Manager *m = userdata;
02b16a19 1773
cc377381
LP		 1774 return method_can_shutdown_or_sleep(
1775 m, message,
1776 INHIBIT_SLEEP,
1777 "org.freedesktop.login1.hibernate",
1778 "org.freedesktop.login1.hibernate-multiple-sessions",
1779 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1780 "hibernate",
1781 error);
cc377381 1782}
7f7bb946 1783
ebcf1f97 1784static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 1785 Manager *m = userdata;
7f7bb946 1786
cc377381
LP		 1787 return method_can_shutdown_or_sleep(
1788 m, message,
1789 INHIBIT_SLEEP,
1790 "org.freedesktop.login1.hibernate",
1791 "org.freedesktop.login1.hibernate-multiple-sessions",
1792 "org.freedesktop.login1.hibernate-ignore-inhibit",
ebcf1f97
LP		 1793 "hybrid-sleep",
1794 error);
cc377381 1795}
38f3fc7d 1796
ebcf1f97 1797static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
5b12334d 1798 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
cc377381
LP		 1799 const char *who, *why, *what, *mode;
1800 _cleanup_free_ char *id = NULL;
1801 _cleanup_close_ int fifo_fd = -1;
1802 Manager *m = userdata;
1803 Inhibitor *i = NULL;
1804 InhibitMode mm;
1805 InhibitWhat w;
1806 pid_t pid;
1807 uid_t uid;
1808 int r;
7f7bb946 1809
cc377381
LP		 1810 assert(bus);
1811 assert(message);
1812 assert(m);
38f3fc7d 1813
cc377381
LP		 1814 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
1815 if (r < 0)
ebcf1f97 1816 return r;
38f3fc7d 1817
cc377381
LP		 1818 w = inhibit_what_from_string(what);
1819 if (w <= 0)
ebcf1f97 1820 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
38f3fc7d 1821
cc377381
LP		 1822 mm = inhibit_mode_from_string(mode);
1823 if (mm < 0)
ebcf1f97 1824 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
7f7bb946 1825
cc377381
LP		 1826 /* Delay is only supported for shutdown/sleep */
1827 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
ebcf1f97 1828 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
38f3fc7d 1829
cc377381
LP		 1830 /* Don't allow taking delay locks while we are already
1831 * executing the operation. We shouldn't create the impression
1832 * that the lock was successful if the machine is about to go
1833 * down/suspend any moment. */
1834 if (m->action_what & w)
ebcf1f97 1835 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
cc377381 1836
f3885791 1837 r = bus_verify_polkit_async(message, CAP_SYS_BOOT,
cc377381
LP		 1838 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
1839 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
1840 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
1841 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
1842 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
1843 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
1844 "org.freedesktop.login1.inhibit-handle-lid-switch",
f3885791 1845 false, &m->polkit_registry, error);
cc377381 1846 if (r < 0)
ebcf1f97 1847 return r;
cc377381
LP		 1848 if (r == 0)
1849 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
7f7bb946 1850
5b12334d
LP		 1851 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
1852 if (r < 0)
1853 return r;
1854
1855 r = sd_bus_creds_get_uid(creds, &uid);
cc377381 1856 if (r < 0)
ebcf1f97 1857 return r;
7f7bb946 1858
5b12334d 1859 r = sd_bus_creds_get_pid(creds, &pid);
cc377381 1860 if (r < 0)
ebcf1f97 1861 return r;
47a26690 1862
cc377381
LP		 1863 do {
1864 free(id);
1865 id = NULL;
47a26690 1866
cc377381 1867 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
ebcf1f97 1868 return -ENOMEM;
47a26690 1869
cc377381 1870 } while (hashmap_get(m->inhibitors, id));
47a26690 1871
cc377381
LP		 1872 r = manager_add_inhibitor(m, id, &i);
1873 if (r < 0)
ebcf1f97 1874 return r;
47a26690 1875
cc377381
LP		 1876 i->what = w;
1877 i->mode = mm;
1878 i->pid = pid;
1879 i->uid = uid;
1880 i->why = strdup(why);
1881 i->who = strdup(who);
7f7bb946 1882
cc377381 1883 if (!i->why || !i->who) {
ebcf1f97 1884 r = -ENOMEM;
cc377381
LP		 1885 goto fail;
1886 }
b668e064 1887
cc377381
LP		 1888 fifo_fd = inhibitor_create_fifo(i);
1889 if (fifo_fd < 0) {
ebcf1f97 1890 r = fifo_fd;
cc377381
LP		 1891 goto fail;
1892 }
b668e064 1893
cc377381 1894 inhibitor_start(i);
b668e064 1895
df2d202e 1896 return sd_bus_reply_method_return(message, "h", fifo_fd);
b668e064 1897
cc377381
LP		 1898fail:
1899 if (i)
1900 inhibitor_free(i);
89f13440 1901
cc377381
LP		 1902 return r;
1903}
3f49d45a 1904
cc377381
LP		 1905const sd_bus_vtable manager_vtable[] = {
1906 SD_BUS_VTABLE_START(0),
1907
556089dc
LP		 1908 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
1909 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
1910 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
1911 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1912 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1913 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1914 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1915 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1916 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
556089dc
LP		 1917 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
1918 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
1919 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
1920 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
1921 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
3c56cab4 1922 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
556089dc
LP		 1923 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1924 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1925 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1926 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1927
adacb957
LP		 1928 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1929 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1930 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1931 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1932 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1933 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1934 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1935 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1936 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
a4cd87e9 1937 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
cc377381 1938 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
adacb957
LP		 1939 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1940 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1941 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
1942 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
1943 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
1944 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
adacb957
LP		 1945 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1946 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1947 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1948 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1949 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1950 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1951 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1952 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1953 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1954 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1955 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1956 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1957 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1958 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1959 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1960 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1961 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1962 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1963 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1964
1965 SD_BUS_SIGNAL("SessionNew", "so", 0),
1966 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
1967 SD_BUS_SIGNAL("UserNew", "uo", 0),
1968 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
1969 SD_BUS_SIGNAL("SeatNew", "so", 0),
1970 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
1971 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
1972 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
1973
1974 SD_BUS_VTABLE_END
1975};
3f49d45a 1976
99e7e392
DH		 1977static int session_jobs_reply(Session *s, const char *unit, const char *result) {
1978 int r = 0;
1979
1980 assert(s);
1981 assert(unit);
1982
1983 if (!s->started)
1984 return r;
1985
1986 if (streq(result, "done"))
1987 r = session_send_create_reply(s, NULL);
1988 else {
1989 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
1990
1991 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
1992 r = session_send_create_reply(s, &e);
1993 }
1994
1995 return r;
1996}
1997
ebcf1f97 1998int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1999 const char *path, *result, *unit;
2000 Manager *m = userdata;
2001 Session *session;
2002 uint32_t id;
2003 User *user;
2004 int r;
3f49d45a 2005
cc377381
LP		 2006 assert(bus);
2007 assert(message);
2008 assert(m);
3f49d45a 2009
cc377381
LP		 2010 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2011 if (r < 0) {
ebcf1f97
LP		 2012 bus_log_parse_error(r);
2013 return r;
cc377381 2014 }
3f49d45a 2015
cc377381
LP		 2016 if (m->action_job && streq(m->action_job, path)) {
2017 log_info("Operation finished.");
3f49d45a 2018
cc377381
LP		 2019 /* Tell people that they now may take a lock again */
2020 send_prepare_for(m, m->action_what, false);
3f49d45a 2021
cc377381
LP		 2022 free(m->action_job);
2023 m->action_job = NULL;
2024 m->action_unit = NULL;
2025 m->action_what = 0;
2026 return 0;
2027 }
3f49d45a 2028
cc377381
LP		 2029 session = hashmap_get(m->session_units, unit);
2030 if (session) {
3f49d45a 2031
cc377381
LP		 2032 if (streq_ptr(path, session->scope_job)) {
2033 free(session->scope_job);
2034 session->scope_job = NULL;
3f49d45a
LP		 2035 }
2036
99e7e392 2037 session_jobs_reply(session, unit, result);
3f49d45a 2038
99e7e392 2039 session_save(session);
cc377381
LP		 2040 session_add_to_gc_queue(session);
2041 }
3f49d45a 2042
cc377381
LP		 2043 user = hashmap_get(m->user_units, unit);
2044 if (user) {
3f49d45a 2045
cc377381
LP		 2046 if (streq_ptr(path, user->service_job)) {
2047 free(user->service_job);
2048 user->service_job = NULL;
3f49d45a
LP		 2049 }
2050
cc377381
LP		 2051 if (streq_ptr(path, user->slice_job)) {
2052 free(user->slice_job);
2053 user->slice_job = NULL;
2054 }
3f49d45a 2055
dd9b67aa 2056 LIST_FOREACH(sessions_by_user, session, user->sessions) {
99e7e392 2057 session_jobs_reply(session, unit, result);
dd9b67aa
LP		 2058 }
2059
cc377381
LP		 2060 user_save(user);
2061 user_add_to_gc_queue(user);
3f49d45a
LP		 2062 }
2063
cc377381 2064 return 0;
3f49d45a
LP		 2065}
2066
ebcf1f97 2067int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 2068 const char *path, *unit;
1713813d 2069 Manager *m = userdata;
cc377381
LP		 2070 Session *session;
2071 User *user;
2072 int r;
1713813d 2073
cc377381 2074 assert(bus);
1713813d 2075 assert(message);
cc377381 2076 assert(m);
1713813d 2077
cc377381
LP		 2078 r = sd_bus_message_read(message, "so", &unit, &path);
2079 if (r < 0) {
ebcf1f97
LP		 2080 bus_log_parse_error(r);
2081 return r;
cc377381 2082 }
fb6becb4 2083
cc377381
LP		 2084 session = hashmap_get(m->session_units, unit);
2085 if (session)
2086 session_add_to_gc_queue(session);
fb6becb4 2087
cc377381
LP		 2088 user = hashmap_get(m->user_units, unit);
2089 if (user)
2090 user_add_to_gc_queue(user);
fb6becb4 2091
cc377381
LP		 2092 return 0;
2093}
fb6becb4 2094
ebcf1f97 2095int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2096 _cleanup_free_ char *unit = NULL;
2097 Manager *m = userdata;
2098 const char *path;
2099 Session *session;
2100 User *user;
ebcf1f97 2101 int r;
fb6becb4 2102
cc377381
LP		 2103 assert(bus);
2104 assert(message);
2105 assert(m);
fb6becb4 2106
cc377381
LP		 2107 path = sd_bus_message_get_path(message);
2108 if (!path)
2109 return 0;
fb6becb4 2110
ebcf1f97
LP		 2111 r = unit_name_from_dbus_path(path, &unit);
2112 if (r < 0)
a87105a3
ZJS		 2113 /* quietly ignore non-units paths */
2114 return r == -EINVAL ? 0 : r;
fb6becb4 2115
cc377381
LP		 2116 session = hashmap_get(m->session_units, unit);
2117 if (session)
2118 session_add_to_gc_queue(session);
fb6becb4 2119
cc377381
LP		 2120 user = hashmap_get(m->user_units, unit);
2121 if (user)
2122 user_add_to_gc_queue(user);
fb6becb4 2123
cc377381
LP		 2124 return 0;
2125}
6fa48533 2126
ebcf1f97 2127int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2128 Manager *m = userdata;
2129 Session *session;
2130 Iterator i;
2131 int b, r;
943aca8e 2132
cc377381 2133 assert(bus);
943aca8e 2134
cc377381
LP		 2135 r = sd_bus_message_read(message, "b", &b);
2136 if (r < 0) {
ebcf1f97
LP		 2137 bus_log_parse_error(r);
2138 return r;
cc377381 2139 }
943aca8e 2140
cc377381
LP		 2141 if (b)
2142 return 0;
943aca8e 2143
cc377381
LP		 2144 /* systemd finished reloading, let's recheck all our sessions */
2145 log_debug("System manager has been reloaded, rechecking sessions...");
6797c324 2146
cc377381
LP		 2147 HASHMAP_FOREACH(session, m->sessions, i)
2148 session_add_to_gc_queue(session);
6797c324 2149
cc377381
LP		 2150 return 0;
2151}
943aca8e 2152
ebcf1f97 2153int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2154 const char *name, *old, *new;
2155 Manager *m = userdata;
2156 Session *session;
2157 Iterator i;
2158 int r;
943aca8e 2159
6797c324 2160
cc377381 2161 char *key;
e8b212fe 2162
cc377381
LP		 2163 r = sd_bus_message_read(message, "sss", &name, &old, &new);
2164 if (r < 0) {
ebcf1f97
LP		 2165 bus_log_parse_error(r);
2166 return r;
cc377381 2167 }
e8b212fe 2168
cc377381
LP		 2169 if (isempty(old) || !isempty(new))
2170 return 0;
e8b212fe 2171
cc377381
LP		 2172 key = set_remove(m->busnames, (char*) old);
2173 if (!key)
2174 return 0;
ae5e06bd 2175
cc377381 2176 /* Drop all controllers owned by this name */
ae5e06bd 2177
cc377381 2178 free(key);
1713813d 2179
cc377381
LP		 2180 HASHMAP_FOREACH(session, m->sessions, i)
2181 if (session_is_controller(session, old))
2182 session_drop_controller(session);
1713813d 2183
cc377381 2184 return 0;
1713813d
LP		 2185}
2186
cc377381
LP		 2187int manager_send_changed(Manager *manager, const char *property, ...) {
2188 char **l;
9418f147
LP		 2189
2190 assert(manager);
2191
cc377381 2192 l = strv_from_stdarg_alloca(property);
9418f147 2193
cc377381
LP		 2194 return sd_bus_emit_properties_changed_strv(
2195 manager->bus,
2196 "/org/freedesktop/login1",
2197 "org.freedesktop.login1.Manager",
2198 l);
9418f147 2199}
eecd1362 2200
d889a206 2201int manager_dispatch_delayed(Manager *manager) {
cc377381 2202 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
85a428c6 2203 Inhibitor *offending = NULL;
eecd1362
LP		 2204 int r;
2205
2206 assert(manager);
2207
84286536 2208 if (manager->action_what == 0 || manager->action_job)
eecd1362
LP		 2209 return 0;
2210
2211 /* Continue delay? */
85a428c6
LP		 2212 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2213 _cleanup_free_ char *comm = NULL, *u = NULL;
2214
2215 get_process_comm(offending->pid, &comm);
2216 u = uid_to_name(offending->uid);
eecd1362 2217
314b4b0a
LP		 2218 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2219 return 0;
af9792ac 2220
de0671ee
ZJS		 2221 log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
2222 offending->uid, strna(u),
2223 offending->pid, strna(comm));
314b4b0a 2224 }
eecd1362 2225
314b4b0a 2226 /* Actually do the operation */
314b4b0a 2227 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
eecd1362 2228 if (r < 0) {
cc377381 2229 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
314b4b0a
LP		 2230
2231 manager->action_unit = NULL;
2232 manager->action_what = 0;
eecd1362
LP		 2233 return r;
2234 }
2235
eecd1362
LP		 2236 return 1;
2237}
fb6becb4
LP		 2238
2239int manager_start_scope(
2240 Manager *manager,
2241 const char *scope,
2242 pid_t pid,
2243 const char *slice,
2244 const char *description,
ba4c5d93 2245 const char *after, const char *after2,
cc377381 2246 sd_bus_error *error,
fb6becb4
LP		 2247 char **job) {
2248
cc377381
LP		 2249 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2250 int r;
fb6becb4
LP		 2251
2252 assert(manager);
2253 assert(scope);
2254 assert(pid > 1);
2255
cc377381
LP		 2256 r = sd_bus_message_new_method_call(
2257 manager->bus,
151b9b96 2258 &m,
fb6becb4
LP		 2259 "org.freedesktop.systemd1",
2260 "/org/freedesktop/systemd1",
2261 "org.freedesktop.systemd1.Manager",
151b9b96 2262 "StartTransientUnit");
cc377381
LP		 2263 if (r < 0)
2264 return r;
fb6becb4 2265
cc377381
LP		 2266 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2267 if (r < 0)
2268 return r;
fb6becb4 2269
cc377381
LP		 2270 r = sd_bus_message_open_container(m, 'a', "(sv)");
2271 if (r < 0)
2272 return r;
fb6becb4
LP		 2273
2274 if (!isempty(slice)) {
cc377381
LP		 2275 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2276 if (r < 0)
2277 return r;
fb6becb4
LP		 2278 }
2279
2280 if (!isempty(description)) {
cc377381
LP		 2281 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2282 if (r < 0)
2283 return r;
fb6becb4
LP		 2284 }
2285
ba4c5d93 2286 if (!isempty(after)) {
cc377381
LP		 2287 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2288 if (r < 0)
2289 return r;
7fb3ee51
LP		 2290 }
2291
ba4c5d93
LP		 2292 if (!isempty(after2)) {
2293 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2294 if (r < 0)
2295 return r;
2296 }
2297
fb6becb4
LP		 2298 /* cgroup empty notification is not available in containers
2299 * currently. To make this less problematic, let's shorten the
2300 * stop timeout for sessions, so that we don't wait
2301 * forever. */
2302
743e8945
LP		 2303 /* Make sure that the session shells are terminated with
2304 * SIGHUP since bash and friends tend to ignore SIGTERM */
cc377381
LP		 2305 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2306 if (r < 0)
2307 return r;
2308
2309 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2310 if (r < 0)
2311 return r;
2312
2313 r = sd_bus_message_close_container(m);
2314 if (r < 0)
2315 return r;
86b8d289
LP		 2316
2317 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2318 if (r < 0)
2319 return r;
cc377381 2320
c49b30a2 2321 r = sd_bus_call(manager->bus, m, 0, error, &reply);
cc377381
LP		 2322 if (r < 0)
2323 return r;
fb6becb4
LP		 2324
2325 if (job) {
2326 const char *j;
2327 char *copy;
2328
cc377381
LP		 2329 r = sd_bus_message_read(reply, "o", &j);
2330 if (r < 0)
2331 return r;
fb6becb4
LP		 2332
2333 copy = strdup(j);
2334 if (!copy)
2335 return -ENOMEM;
2336
2337 *job = copy;
2338 }
2339
cc377381 2340 return 1;
fb6becb4
LP		 2341}
2342
cc377381
LP		 2343int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2344 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2345 int r;
2346
2347 assert(manager);
2348 assert(unit);
2349
cc377381 2350 r = sd_bus_call_method(
fb6becb4
LP		 2351 manager->bus,
2352 "org.freedesktop.systemd1",
2353 "/org/freedesktop/systemd1",
2354 "org.freedesktop.systemd1.Manager",
2355 "StartUnit",
fb6becb4 2356 error,
cc377381
LP		 2357 &reply,
2358 "ss", unit, "fail");
2359 if (r < 0)
fb6becb4 2360 return r;
fb6becb4
LP		 2361
2362 if (job) {
2363 const char *j;
2364 char *copy;
2365
cc377381
LP		 2366 r = sd_bus_message_read(reply, "o", &j);
2367 if (r < 0)
2368 return r;
fb6becb4
LP		 2369
2370 copy = strdup(j);
2371 if (!copy)
2372 return -ENOMEM;
2373
2374 *job = copy;
2375 }
2376
cc377381 2377 return 1;
fb6becb4
LP		 2378}
2379
cc377381
LP		 2380int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2381 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2382 int r;
2383
2384 assert(manager);
2385 assert(unit);
2386
cc377381 2387 r = sd_bus_call_method(
fb6becb4
LP		 2388 manager->bus,
2389 "org.freedesktop.systemd1",
2390 "/org/freedesktop/systemd1",
2391 "org.freedesktop.systemd1.Manager",
2392 "StopUnit",
fb6becb4 2393 error,
cc377381
LP		 2394 &reply,
2395 "ss", unit, "fail");
fb6becb4 2396 if (r < 0) {
cc377381
LP		 2397 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2398 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
6797c324
LP		 2399
2400 if (job)
2401 *job = NULL;
2402
cc377381 2403 sd_bus_error_free(error);
6797c324
LP		 2404 return 0;
2405 }
2406
fb6becb4
LP		 2407 return r;
2408 }
2409
2410 if (job) {
2411 const char *j;
2412 char *copy;
2413
cc377381
LP		 2414 r = sd_bus_message_read(reply, "o", &j);
2415 if (r < 0)
2416 return r;
fb6becb4
LP		 2417
2418 copy = strdup(j);
2419 if (!copy)
2420 return -ENOMEM;
2421
2422 *job = copy;
2423 }
2424
6797c324 2425 return 1;
fb6becb4
LP		 2426}
2427
5f41d1f1 2428int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
5f41d1f1
LP		 2429 _cleanup_free_ char *path = NULL;
2430 int r;
2431
2432 assert(manager);
2433 assert(scope);
2434
2435 path = unit_dbus_path_from_name(scope);
2436 if (!path)
2437 return -ENOMEM;
2438
2439 r = sd_bus_call_method(
2440 manager->bus,
2441 "org.freedesktop.systemd1",
2442 path,
2443 "org.freedesktop.systemd1.Scope",
2444 "Abandon",
2445 error,
2446 NULL,
2447 NULL);
2448 if (r < 0) {
2449 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
4e2f8d27
LP		 2450 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2451 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
5f41d1f1
LP		 2452 sd_bus_error_free(error);
2453 return 0;
2454 }
2455
2456 return r;
2457 }
2458
2459 return 1;
2460}
2461
cc377381 2462int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
fb6becb4
LP		 2463 assert(manager);
2464 assert(unit);
2465
cc377381 2466 return sd_bus_call_method(
fb6becb4
LP		 2467 manager->bus,
2468 "org.freedesktop.systemd1",
2469 "/org/freedesktop/systemd1",
2470 "org.freedesktop.systemd1.Manager",
2471 "KillUnit",
fb6becb4 2472 error,
cc377381
LP		 2473 NULL,
2474 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
fb6becb4
LP		 2475}
2476
2477int manager_unit_is_active(Manager *manager, const char *unit) {
cc377381
LP		 2478 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2479 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4 2480 _cleanup_free_ char *path = NULL;
fb6becb4 2481 const char *state;
fb6becb4
LP		 2482 int r;
2483
2484 assert(manager);
2485 assert(unit);
2486
fb6becb4
LP		 2487 path = unit_dbus_path_from_name(unit);
2488 if (!path)
2489 return -ENOMEM;
2490
cc377381 2491 r = sd_bus_get_property(
fb6becb4
LP		 2492 manager->bus,
2493 "org.freedesktop.systemd1",
2494 path,
cc377381
LP		 2495 "org.freedesktop.systemd1.Unit",
2496 "ActiveState",
fb6becb4 2497 &error,
cc377381
LP		 2498 &reply,
2499 "s");
fb6becb4 2500 if (r < 0) {
cc377381
LP		 2501 /* systemd might have droppped off momentarily, let's
2502 * not make this an error */
2503 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2504 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
6797c324 2505 return true;
6797c324 2506
cc377381
LP		 2507 /* If the unit is already unloaded then it's not
2508 * active */
2509 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2510 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
6797c324 2511 return false;
6797c324 2512
fb6becb4
LP		 2513 return r;
2514 }
2515
cc377381
LP		 2516 r = sd_bus_message_read(reply, "s", &state);
2517 if (r < 0)
fb6becb4 2518 return -EINVAL;
fb6becb4 2519
cc377381
LP		 2520 return !streq(state, "inactive") && !streq(state, "failed");
2521}
2522
2523int manager_job_is_active(Manager *manager, const char *path) {
2524 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2525 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2526 int r;
2527
2528 assert(manager);
2529 assert(path);
2530
2531 r = sd_bus_get_property(
2532 manager->bus,
2533 "org.freedesktop.systemd1",
2534 path,
2535 "org.freedesktop.systemd1.Job",
2536 "State",
2537 &error,
2538 &reply,
2539 "s");
2540 if (r < 0) {
2541 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2542 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2543 return true;
2544
2545 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2546 return false;
2547
2548 return r;
fb6becb4
LP		 2549 }
2550
cc377381
LP		 2551 /* We don't actually care about the state really. The fact
2552 * that we could read the job state is enough for us */
fb6becb4 2553
cc377381 2554 return true;
fb6becb4 2555}
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