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[thirdparty/systemd.git] / src / login / logind-dbus.c
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3f49d45a
LP		 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3/***
4 This file is part of systemd.
5
6 Copyright 2011 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
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);
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 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),
1922 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1923 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
cc377381
LP		 1924 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1925 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1926
adacb957
LP		 1927 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1928 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1929 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1930 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1931 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1932 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1933 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1934 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1935 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
a4cd87e9 1936 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
cc377381 1937 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
adacb957
LP		 1938 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1939 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1940 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
1941 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
1942 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
1943 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
adacb957
LP		 1944 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1945 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1946 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1947 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1948 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
1949 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1950 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1951 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1952 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1953 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1954 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1955 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1956 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1957 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
1958 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
1959 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
1960 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
1961 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
1962 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
cc377381
LP		 1963
1964 SD_BUS_SIGNAL("SessionNew", "so", 0),
1965 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
1966 SD_BUS_SIGNAL("UserNew", "uo", 0),
1967 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
1968 SD_BUS_SIGNAL("SeatNew", "so", 0),
1969 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
1970 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
1971 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
1972
1973 SD_BUS_VTABLE_END
1974};
3f49d45a 1975
99e7e392
DH		 1976static int session_jobs_reply(Session *s, const char *unit, const char *result) {
1977 int r = 0;
1978
1979 assert(s);
1980 assert(unit);
1981
1982 if (!s->started)
1983 return r;
1984
1985 if (streq(result, "done"))
1986 r = session_send_create_reply(s, NULL);
1987 else {
1988 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
1989
1990 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
1991 r = session_send_create_reply(s, &e);
1992 }
1993
1994 return r;
1995}
1996
ebcf1f97 1997int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 1998 const char *path, *result, *unit;
1999 Manager *m = userdata;
2000 Session *session;
2001 uint32_t id;
2002 User *user;
2003 int r;
3f49d45a 2004
cc377381
LP		 2005 assert(bus);
2006 assert(message);
2007 assert(m);
3f49d45a 2008
cc377381
LP		 2009 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2010 if (r < 0) {
ebcf1f97
LP		 2011 bus_log_parse_error(r);
2012 return r;
cc377381 2013 }
3f49d45a 2014
cc377381
LP		 2015 if (m->action_job && streq(m->action_job, path)) {
2016 log_info("Operation finished.");
3f49d45a 2017
cc377381
LP		 2018 /* Tell people that they now may take a lock again */
2019 send_prepare_for(m, m->action_what, false);
3f49d45a 2020
cc377381
LP		 2021 free(m->action_job);
2022 m->action_job = NULL;
2023 m->action_unit = NULL;
2024 m->action_what = 0;
2025 return 0;
2026 }
3f49d45a 2027
cc377381
LP		 2028 session = hashmap_get(m->session_units, unit);
2029 if (session) {
3f49d45a 2030
cc377381
LP		 2031 if (streq_ptr(path, session->scope_job)) {
2032 free(session->scope_job);
2033 session->scope_job = NULL;
3f49d45a
LP		 2034 }
2035
99e7e392 2036 session_jobs_reply(session, unit, result);
3f49d45a 2037
99e7e392 2038 session_save(session);
cc377381
LP		 2039 session_add_to_gc_queue(session);
2040 }
3f49d45a 2041
cc377381
LP		 2042 user = hashmap_get(m->user_units, unit);
2043 if (user) {
3f49d45a 2044
cc377381
LP		 2045 if (streq_ptr(path, user->service_job)) {
2046 free(user->service_job);
2047 user->service_job = NULL;
3f49d45a
LP		 2048 }
2049
cc377381
LP		 2050 if (streq_ptr(path, user->slice_job)) {
2051 free(user->slice_job);
2052 user->slice_job = NULL;
2053 }
3f49d45a 2054
dd9b67aa 2055 LIST_FOREACH(sessions_by_user, session, user->sessions) {
99e7e392 2056 session_jobs_reply(session, unit, result);
dd9b67aa
LP		 2057 }
2058
cc377381
LP		 2059 user_save(user);
2060 user_add_to_gc_queue(user);
3f49d45a
LP		 2061 }
2062
cc377381 2063 return 0;
3f49d45a
LP		 2064}
2065
ebcf1f97 2066int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381 2067 const char *path, *unit;
1713813d 2068 Manager *m = userdata;
cc377381
LP		 2069 Session *session;
2070 User *user;
2071 int r;
1713813d 2072
cc377381 2073 assert(bus);
1713813d 2074 assert(message);
cc377381 2075 assert(m);
1713813d 2076
cc377381
LP		 2077 r = sd_bus_message_read(message, "so", &unit, &path);
2078 if (r < 0) {
ebcf1f97
LP		 2079 bus_log_parse_error(r);
2080 return r;
cc377381 2081 }
fb6becb4 2082
cc377381
LP		 2083 session = hashmap_get(m->session_units, unit);
2084 if (session)
2085 session_add_to_gc_queue(session);
fb6becb4 2086
cc377381
LP		 2087 user = hashmap_get(m->user_units, unit);
2088 if (user)
2089 user_add_to_gc_queue(user);
fb6becb4 2090
cc377381
LP		 2091 return 0;
2092}
fb6becb4 2093
ebcf1f97 2094int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2095 _cleanup_free_ char *unit = NULL;
2096 Manager *m = userdata;
2097 const char *path;
2098 Session *session;
2099 User *user;
ebcf1f97 2100 int r;
fb6becb4 2101
cc377381
LP		 2102 assert(bus);
2103 assert(message);
2104 assert(m);
fb6becb4 2105
cc377381
LP		 2106 path = sd_bus_message_get_path(message);
2107 if (!path)
2108 return 0;
fb6becb4 2109
ebcf1f97
LP		 2110 r = unit_name_from_dbus_path(path, &unit);
2111 if (r < 0)
a87105a3
ZJS		 2112 /* quietly ignore non-units paths */
2113 return r == -EINVAL ? 0 : r;
fb6becb4 2114
cc377381
LP		 2115 session = hashmap_get(m->session_units, unit);
2116 if (session)
2117 session_add_to_gc_queue(session);
fb6becb4 2118
cc377381
LP		 2119 user = hashmap_get(m->user_units, unit);
2120 if (user)
2121 user_add_to_gc_queue(user);
fb6becb4 2122
cc377381
LP		 2123 return 0;
2124}
6fa48533 2125
ebcf1f97 2126int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2127 Manager *m = userdata;
2128 Session *session;
2129 Iterator i;
2130 int b, r;
943aca8e 2131
cc377381 2132 assert(bus);
943aca8e 2133
cc377381
LP		 2134 r = sd_bus_message_read(message, "b", &b);
2135 if (r < 0) {
ebcf1f97
LP		 2136 bus_log_parse_error(r);
2137 return r;
cc377381 2138 }
943aca8e 2139
cc377381
LP		 2140 if (b)
2141 return 0;
943aca8e 2142
cc377381
LP		 2143 /* systemd finished reloading, let's recheck all our sessions */
2144 log_debug("System manager has been reloaded, rechecking sessions...");
6797c324 2145
cc377381
LP		 2146 HASHMAP_FOREACH(session, m->sessions, i)
2147 session_add_to_gc_queue(session);
6797c324 2148
cc377381
LP		 2149 return 0;
2150}
943aca8e 2151
ebcf1f97 2152int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
cc377381
LP		 2153 const char *name, *old, *new;
2154 Manager *m = userdata;
2155 Session *session;
2156 Iterator i;
2157 int r;
943aca8e 2158
6797c324 2159
cc377381 2160 char *key;
e8b212fe 2161
cc377381
LP		 2162 r = sd_bus_message_read(message, "sss", &name, &old, &new);
2163 if (r < 0) {
ebcf1f97
LP		 2164 bus_log_parse_error(r);
2165 return r;
cc377381 2166 }
e8b212fe 2167
cc377381
LP		 2168 if (isempty(old) || !isempty(new))
2169 return 0;
e8b212fe 2170
cc377381
LP		 2171 key = set_remove(m->busnames, (char*) old);
2172 if (!key)
2173 return 0;
ae5e06bd 2174
cc377381 2175 /* Drop all controllers owned by this name */
ae5e06bd 2176
cc377381 2177 free(key);
1713813d 2178
cc377381
LP		 2179 HASHMAP_FOREACH(session, m->sessions, i)
2180 if (session_is_controller(session, old))
2181 session_drop_controller(session);
1713813d 2182
cc377381 2183 return 0;
1713813d
LP		 2184}
2185
cc377381
LP		 2186int manager_send_changed(Manager *manager, const char *property, ...) {
2187 char **l;
9418f147
LP		 2188
2189 assert(manager);
2190
cc377381 2191 l = strv_from_stdarg_alloca(property);
9418f147 2192
cc377381
LP		 2193 return sd_bus_emit_properties_changed_strv(
2194 manager->bus,
2195 "/org/freedesktop/login1",
2196 "org.freedesktop.login1.Manager",
2197 l);
9418f147 2198}
eecd1362 2199
d889a206 2200int manager_dispatch_delayed(Manager *manager) {
cc377381 2201 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
85a428c6 2202 Inhibitor *offending = NULL;
eecd1362
LP		 2203 int r;
2204
2205 assert(manager);
2206
84286536 2207 if (manager->action_what == 0 || manager->action_job)
eecd1362
LP		 2208 return 0;
2209
2210 /* Continue delay? */
85a428c6
LP		 2211 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2212 _cleanup_free_ char *comm = NULL, *u = NULL;
2213
2214 get_process_comm(offending->pid, &comm);
2215 u = uid_to_name(offending->uid);
eecd1362 2216
314b4b0a
LP		 2217 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2218 return 0;
af9792ac 2219
de0671ee
ZJS		 2220 log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
2221 offending->uid, strna(u),
2222 offending->pid, strna(comm));
314b4b0a 2223 }
eecd1362 2224
314b4b0a 2225 /* Actually do the operation */
314b4b0a 2226 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
eecd1362 2227 if (r < 0) {
cc377381 2228 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
314b4b0a
LP		 2229
2230 manager->action_unit = NULL;
2231 manager->action_what = 0;
eecd1362
LP		 2232 return r;
2233 }
2234
eecd1362
LP		 2235 return 1;
2236}
fb6becb4
LP		 2237
2238int manager_start_scope(
2239 Manager *manager,
2240 const char *scope,
2241 pid_t pid,
2242 const char *slice,
2243 const char *description,
ba4c5d93 2244 const char *after, const char *after2,
cc377381 2245 sd_bus_error *error,
fb6becb4
LP		 2246 char **job) {
2247
cc377381
LP		 2248 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2249 int r;
fb6becb4
LP		 2250
2251 assert(manager);
2252 assert(scope);
2253 assert(pid > 1);
2254
cc377381
LP		 2255 r = sd_bus_message_new_method_call(
2256 manager->bus,
151b9b96 2257 &m,
fb6becb4
LP		 2258 "org.freedesktop.systemd1",
2259 "/org/freedesktop/systemd1",
2260 "org.freedesktop.systemd1.Manager",
151b9b96 2261 "StartTransientUnit");
cc377381
LP		 2262 if (r < 0)
2263 return r;
fb6becb4 2264
cc377381
LP		 2265 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2266 if (r < 0)
2267 return r;
fb6becb4 2268
cc377381
LP		 2269 r = sd_bus_message_open_container(m, 'a', "(sv)");
2270 if (r < 0)
2271 return r;
fb6becb4
LP		 2272
2273 if (!isempty(slice)) {
cc377381
LP		 2274 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2275 if (r < 0)
2276 return r;
fb6becb4
LP		 2277 }
2278
2279 if (!isempty(description)) {
cc377381
LP		 2280 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2281 if (r < 0)
2282 return r;
fb6becb4
LP		 2283 }
2284
ba4c5d93 2285 if (!isempty(after)) {
cc377381
LP		 2286 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2287 if (r < 0)
2288 return r;
7fb3ee51
LP		 2289 }
2290
ba4c5d93
LP		 2291 if (!isempty(after2)) {
2292 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2293 if (r < 0)
2294 return r;
2295 }
2296
fb6becb4
LP		 2297 /* cgroup empty notification is not available in containers
2298 * currently. To make this less problematic, let's shorten the
2299 * stop timeout for sessions, so that we don't wait
2300 * forever. */
2301
743e8945
LP		 2302 /* Make sure that the session shells are terminated with
2303 * SIGHUP since bash and friends tend to ignore SIGTERM */
cc377381
LP		 2304 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2305 if (r < 0)
2306 return r;
2307
2308 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2309 if (r < 0)
2310 return r;
2311
2312 r = sd_bus_message_close_container(m);
2313 if (r < 0)
2314 return r;
86b8d289
LP		 2315
2316 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2317 if (r < 0)
2318 return r;
cc377381 2319
c49b30a2 2320 r = sd_bus_call(manager->bus, m, 0, error, &reply);
cc377381
LP		 2321 if (r < 0)
2322 return r;
fb6becb4
LP		 2323
2324 if (job) {
2325 const char *j;
2326 char *copy;
2327
cc377381
LP		 2328 r = sd_bus_message_read(reply, "o", &j);
2329 if (r < 0)
2330 return r;
fb6becb4
LP		 2331
2332 copy = strdup(j);
2333 if (!copy)
2334 return -ENOMEM;
2335
2336 *job = copy;
2337 }
2338
cc377381 2339 return 1;
fb6becb4
LP		 2340}
2341
cc377381
LP		 2342int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2343 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2344 int r;
2345
2346 assert(manager);
2347 assert(unit);
2348
cc377381 2349 r = sd_bus_call_method(
fb6becb4
LP		 2350 manager->bus,
2351 "org.freedesktop.systemd1",
2352 "/org/freedesktop/systemd1",
2353 "org.freedesktop.systemd1.Manager",
2354 "StartUnit",
fb6becb4 2355 error,
cc377381
LP		 2356 &reply,
2357 "ss", unit, "fail");
2358 if (r < 0)
fb6becb4 2359 return r;
fb6becb4
LP		 2360
2361 if (job) {
2362 const char *j;
2363 char *copy;
2364
cc377381
LP		 2365 r = sd_bus_message_read(reply, "o", &j);
2366 if (r < 0)
2367 return r;
fb6becb4
LP		 2368
2369 copy = strdup(j);
2370 if (!copy)
2371 return -ENOMEM;
2372
2373 *job = copy;
2374 }
2375
cc377381 2376 return 1;
fb6becb4
LP		 2377}
2378
cc377381
LP		 2379int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2380 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4
LP		 2381 int r;
2382
2383 assert(manager);
2384 assert(unit);
2385
cc377381 2386 r = sd_bus_call_method(
fb6becb4
LP		 2387 manager->bus,
2388 "org.freedesktop.systemd1",
2389 "/org/freedesktop/systemd1",
2390 "org.freedesktop.systemd1.Manager",
2391 "StopUnit",
fb6becb4 2392 error,
cc377381
LP		 2393 &reply,
2394 "ss", unit, "fail");
fb6becb4 2395 if (r < 0) {
cc377381
LP		 2396 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2397 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
6797c324
LP		 2398
2399 if (job)
2400 *job = NULL;
2401
cc377381 2402 sd_bus_error_free(error);
6797c324
LP		 2403 return 0;
2404 }
2405
fb6becb4
LP		 2406 return r;
2407 }
2408
2409 if (job) {
2410 const char *j;
2411 char *copy;
2412
cc377381
LP		 2413 r = sd_bus_message_read(reply, "o", &j);
2414 if (r < 0)
2415 return r;
fb6becb4
LP		 2416
2417 copy = strdup(j);
2418 if (!copy)
2419 return -ENOMEM;
2420
2421 *job = copy;
2422 }
2423
6797c324 2424 return 1;
fb6becb4
LP		 2425}
2426
5f41d1f1 2427int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
5f41d1f1
LP		 2428 _cleanup_free_ char *path = NULL;
2429 int r;
2430
2431 assert(manager);
2432 assert(scope);
2433
2434 path = unit_dbus_path_from_name(scope);
2435 if (!path)
2436 return -ENOMEM;
2437
2438 r = sd_bus_call_method(
2439 manager->bus,
2440 "org.freedesktop.systemd1",
2441 path,
2442 "org.freedesktop.systemd1.Scope",
2443 "Abandon",
2444 error,
2445 NULL,
2446 NULL);
2447 if (r < 0) {
2448 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
4e2f8d27
LP		 2449 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2450 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
5f41d1f1
LP		 2451 sd_bus_error_free(error);
2452 return 0;
2453 }
2454
2455 return r;
2456 }
2457
2458 return 1;
2459}
2460
cc377381 2461int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
fb6becb4
LP		 2462 assert(manager);
2463 assert(unit);
2464
cc377381 2465 return sd_bus_call_method(
fb6becb4
LP		 2466 manager->bus,
2467 "org.freedesktop.systemd1",
2468 "/org/freedesktop/systemd1",
2469 "org.freedesktop.systemd1.Manager",
2470 "KillUnit",
fb6becb4 2471 error,
cc377381
LP		 2472 NULL,
2473 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
fb6becb4
LP		 2474}
2475
2476int manager_unit_is_active(Manager *manager, const char *unit) {
cc377381
LP		 2477 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2478 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
fb6becb4 2479 _cleanup_free_ char *path = NULL;
fb6becb4 2480 const char *state;
fb6becb4
LP		 2481 int r;
2482
2483 assert(manager);
2484 assert(unit);
2485
fb6becb4
LP		 2486 path = unit_dbus_path_from_name(unit);
2487 if (!path)
2488 return -ENOMEM;
2489
cc377381 2490 r = sd_bus_get_property(
fb6becb4
LP		 2491 manager->bus,
2492 "org.freedesktop.systemd1",
2493 path,
cc377381
LP		 2494 "org.freedesktop.systemd1.Unit",
2495 "ActiveState",
fb6becb4 2496 &error,
cc377381
LP		 2497 &reply,
2498 "s");
fb6becb4 2499 if (r < 0) {
cc377381
LP		 2500 /* systemd might have droppped off momentarily, let's
2501 * not make this an error */
2502 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2503 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
6797c324 2504 return true;
6797c324 2505
cc377381
LP		 2506 /* If the unit is already unloaded then it's not
2507 * active */
2508 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2509 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
6797c324 2510 return false;
6797c324 2511
fb6becb4
LP		 2512 return r;
2513 }
2514
cc377381
LP		 2515 r = sd_bus_message_read(reply, "s", &state);
2516 if (r < 0)
fb6becb4 2517 return -EINVAL;
fb6becb4 2518
cc377381
LP		 2519 return !streq(state, "inactive") && !streq(state, "failed");
2520}
2521
2522int manager_job_is_active(Manager *manager, const char *path) {
2523 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2524 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2525 int r;
2526
2527 assert(manager);
2528 assert(path);
2529
2530 r = sd_bus_get_property(
2531 manager->bus,
2532 "org.freedesktop.systemd1",
2533 path,
2534 "org.freedesktop.systemd1.Job",
2535 "State",
2536 &error,
2537 &reply,
2538 "s");
2539 if (r < 0) {
2540 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2541 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2542 return true;
2543
2544 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2545 return false;
2546
2547 return r;
fb6becb4
LP		 2548 }
2549
cc377381
LP		 2550 /* We don't actually care about the state really. The fact
2551 * that we could read the job state is enough for us */
fb6becb4 2552
cc377381 2553 return true;
fb6becb4 2554}
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