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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3f49d45a LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
8 | under the terms of the GNU Lesser General Public License as published by |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
3f49d45a LP |
10 | (at your option) any later version. |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 15 | Lesser General Public License for more details. |
3f49d45a | 16 | |
5430f7f2 | 17 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
19 | ***/ | |
20 | ||
a185c5aa | 21 | #include <errno.h> |
4f5dd394 | 22 | #include <pwd.h> |
a185c5aa | 23 | #include <string.h> |
98a28fef | 24 | #include <unistd.h> |
a185c5aa | 25 | |
cc377381 | 26 | #include "sd-messages.h" |
4f5dd394 | 27 | |
b5efdb8a | 28 | #include "alloc-util.h" |
430f0182 | 29 | #include "audit-util.h" |
96aad8d1 | 30 | #include "bus-common-errors.h" |
4f5dd394 LP |
31 | #include "bus-error.h" |
32 | #include "bus-util.h" | |
a0956174 | 33 | #include "dirent-util.h" |
5bdf2243 | 34 | #include "efivars.h" |
4f5dd394 | 35 | #include "escape.h" |
3ffd4af2 | 36 | #include "fd-util.h" |
4f5dd394 | 37 | #include "fileio-label.h" |
f97b34a6 | 38 | #include "format-util.h" |
f4f15635 | 39 | #include "fs-util.h" |
4f5dd394 LP |
40 | #include "logind.h" |
41 | #include "mkdir.h" | |
42 | #include "path-util.h" | |
0b452006 | 43 | #include "process-util.h" |
4f5dd394 LP |
44 | #include "selinux-util.h" |
45 | #include "sleep-config.h" | |
46 | #include "special.h" | |
47 | #include "strv.h" | |
288a74cc | 48 | #include "terminal-util.h" |
4f5dd394 LP |
49 | #include "udev-util.h" |
50 | #include "unit-name.h" | |
b1d4f8e1 | 51 | #include "user-util.h" |
e2fa5721 | 52 | #include "utmp-wtmp.h" |
3f49d45a | 53 | |
aeb07570 AJ |
54 | static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) { |
55 | ||
4afd3348 | 56 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
aeb07570 | 57 | const char *name; |
309a29df LP |
58 | Session *session; |
59 | int r; | |
60 | ||
7b33c622 AJ |
61 | /* Get client login session. This is not what you are looking for these days, |
62 | * as apps may instead belong to a user service unit. This includes terminal | |
63 | * emulators and hence command-line apps. */ | |
aeb07570 AJ |
64 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); |
65 | if (r < 0) | |
66 | return r; | |
67 | ||
68 | r = sd_bus_creds_get_session(creds, &name); | |
69 | if (r == -ENXIO) | |
70 | goto err_no_session; | |
71 | if (r < 0) | |
72 | return r; | |
73 | ||
74 | session = hashmap_get(m->sessions, name); | |
75 | if (!session) | |
76 | goto err_no_session; | |
77 | ||
78 | *ret = session; | |
79 | return 0; | |
80 | ||
81 | err_no_session: | |
82 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
83 | "Caller does not belong to any known session"); | |
84 | } | |
85 | ||
86 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { | |
87 | Session *session; | |
88 | ||
309a29df LP |
89 | assert(m); |
90 | assert(message); | |
91 | assert(ret); | |
92 | ||
aeb07570 AJ |
93 | if (isempty(name)) |
94 | return get_sender_session(m, message, error, ret); | |
309a29df LP |
95 | |
96 | session = hashmap_get(m->sessions, name); | |
97 | if (!session) | |
98 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
99 | ||
100 | *ret = session; | |
101 | return 0; | |
102 | } | |
103 | ||
aeb07570 AJ |
104 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
105 | ||
106 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
107 | uid_t uid; | |
309a29df LP |
108 | User *user; |
109 | int r; | |
110 | ||
aeb07570 AJ |
111 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
112 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
113 | if (r < 0) | |
114 | return r; | |
115 | ||
116 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
117 | if (r == -ENXIO) | |
118 | goto err_no_user; | |
119 | if (r < 0) | |
120 | return r; | |
121 | ||
122 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
123 | if (!user) | |
124 | goto err_no_user; | |
125 | ||
126 | *ret = user; | |
127 | return 0; | |
128 | ||
129 | err_no_user: | |
095b8833 | 130 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user"); |
aeb07570 AJ |
131 | } |
132 | ||
133 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
134 | User *user; | |
135 | ||
309a29df LP |
136 | assert(m); |
137 | assert(message); | |
138 | assert(ret); | |
139 | ||
aeb07570 AJ |
140 | if (!uid_is_valid(uid)) |
141 | return get_sender_user(m, message, error, ret); | |
309a29df | 142 | |
8cb4ab00 | 143 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 144 | if (!user) |
095b8833 | 145 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid); |
309a29df LP |
146 | |
147 | *ret = user; | |
148 | return 0; | |
149 | } | |
150 | ||
151 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
152 | Seat *seat; | |
153 | int r; | |
154 | ||
155 | assert(m); | |
156 | assert(message); | |
157 | assert(ret); | |
158 | ||
159 | if (isempty(name)) { | |
160 | Session *session; | |
161 | ||
162 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
163 | if (r < 0) | |
164 | return r; | |
165 | ||
166 | seat = session->seat; | |
309a29df LP |
167 | if (!seat) |
168 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
169 | } else { | |
170 | seat = hashmap_get(m->seats, name); | |
171 | if (!seat) | |
172 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
173 | } | |
174 | ||
175 | *ret = seat; | |
176 | return 0; | |
177 | } | |
178 | ||
cc377381 LP |
179 | static int property_get_idle_hint( |
180 | sd_bus *bus, | |
181 | const char *path, | |
182 | const char *interface, | |
183 | const char *property, | |
184 | sd_bus_message *reply, | |
ebcf1f97 LP |
185 | void *userdata, |
186 | sd_bus_error *error) { | |
a185c5aa | 187 | |
cc377381 | 188 | Manager *m = userdata; |
a185c5aa | 189 | |
cc377381 LP |
190 | assert(bus); |
191 | assert(reply); | |
192 | assert(m); | |
193 | ||
194 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
195 | } |
196 | ||
cc377381 LP |
197 | static int property_get_idle_since_hint( |
198 | sd_bus *bus, | |
199 | const char *path, | |
200 | const char *interface, | |
201 | const char *property, | |
202 | sd_bus_message *reply, | |
ebcf1f97 LP |
203 | void *userdata, |
204 | sd_bus_error *error) { | |
cc377381 LP |
205 | |
206 | Manager *m = userdata; | |
5cb14b37 | 207 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 208 | |
cc377381 LP |
209 | assert(bus); |
210 | assert(reply); | |
a185c5aa LP |
211 | assert(m); |
212 | ||
213 | manager_get_idle_hint(m, &t); | |
a185c5aa | 214 | |
cc377381 | 215 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
216 | } |
217 | ||
cc377381 LP |
218 | static int property_get_inhibited( |
219 | sd_bus *bus, | |
220 | const char *path, | |
221 | const char *interface, | |
222 | const char *property, | |
223 | sd_bus_message *reply, | |
ebcf1f97 LP |
224 | void *userdata, |
225 | sd_bus_error *error) { | |
cc377381 LP |
226 | |
227 | Manager *m = userdata; | |
f8e2fb7b | 228 | InhibitWhat w; |
f8e2fb7b | 229 | |
cc377381 LP |
230 | assert(bus); |
231 | assert(reply); | |
232 | assert(m); | |
f8e2fb7b | 233 | |
cc377381 | 234 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 235 | |
cc377381 | 236 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
237 | } |
238 | ||
cc377381 LP |
239 | static int property_get_preparing( |
240 | sd_bus *bus, | |
241 | const char *path, | |
242 | const char *interface, | |
243 | const char *property, | |
244 | sd_bus_message *reply, | |
ebcf1f97 LP |
245 | void *userdata, |
246 | sd_bus_error *error) { | |
cc377381 LP |
247 | |
248 | Manager *m = userdata; | |
249 | bool b; | |
5e4a79da | 250 | |
cc377381 LP |
251 | assert(bus); |
252 | assert(reply); | |
253 | assert(m); | |
5e4a79da LP |
254 | |
255 | if (streq(property, "PreparingForShutdown")) | |
314b4b0a | 256 | b = !!(m->action_what & INHIBIT_SHUTDOWN); |
5e4a79da | 257 | else |
314b4b0a | 258 | b = !!(m->action_what & INHIBIT_SLEEP); |
5e4a79da | 259 | |
cc377381 | 260 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
261 | } |
262 | ||
8aaa023a DM |
263 | static int property_get_scheduled_shutdown( |
264 | sd_bus *bus, | |
265 | const char *path, | |
266 | const char *interface, | |
267 | const char *property, | |
268 | sd_bus_message *reply, | |
269 | void *userdata, | |
270 | sd_bus_error *error) { | |
271 | ||
272 | Manager *m = userdata; | |
273 | int r; | |
274 | ||
275 | assert(bus); | |
276 | assert(reply); | |
277 | assert(m); | |
278 | ||
279 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
280 | if (r < 0) | |
281 | return r; | |
282 | ||
283 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
284 | if (r < 0) | |
285 | return r; | |
286 | ||
287 | return sd_bus_message_close_container(reply); | |
288 | } | |
289 | ||
cc377381 | 290 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
fb6becb4 | 291 | |
14856079 LP |
292 | static int property_get_docked( |
293 | sd_bus *bus, | |
294 | const char *path, | |
295 | const char *interface, | |
296 | const char *property, | |
297 | sd_bus_message *reply, | |
298 | void *userdata, | |
299 | sd_bus_error *error) { | |
300 | ||
301 | Manager *m = userdata; | |
302 | ||
303 | assert(bus); | |
304 | assert(reply); | |
305 | assert(m); | |
306 | ||
602a41c2 | 307 | return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m)); |
14856079 LP |
308 | } |
309 | ||
183e0738 LP |
310 | static int property_get_current_sessions( |
311 | sd_bus *bus, | |
312 | const char *path, | |
313 | const char *interface, | |
314 | const char *property, | |
315 | sd_bus_message *reply, | |
316 | void *userdata, | |
317 | sd_bus_error *error) { | |
318 | ||
319 | Manager *m = userdata; | |
320 | ||
321 | assert(bus); | |
322 | assert(reply); | |
323 | assert(m); | |
324 | ||
325 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions)); | |
326 | } | |
327 | ||
c5a11ae2 LP |
328 | static int property_get_current_inhibitors( |
329 | sd_bus *bus, | |
330 | const char *path, | |
331 | const char *interface, | |
332 | const char *property, | |
333 | sd_bus_message *reply, | |
334 | void *userdata, | |
335 | sd_bus_error *error) { | |
336 | ||
337 | Manager *m = userdata; | |
338 | ||
339 | assert(bus); | |
340 | assert(reply); | |
341 | assert(m); | |
342 | ||
343 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors)); | |
344 | } | |
345 | ||
19070062 | 346 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
347 | _cleanup_free_ char *p = NULL; |
348 | Manager *m = userdata; | |
349 | const char *name; | |
350 | Session *session; | |
351 | int r; | |
352 | ||
cc377381 LP |
353 | assert(message); |
354 | assert(m); | |
355 | ||
356 | r = sd_bus_message_read(message, "s", &name); | |
357 | if (r < 0) | |
ebcf1f97 | 358 | return r; |
cc377381 | 359 | |
309a29df LP |
360 | r = manager_get_session_from_creds(m, message, name, error, &session); |
361 | if (r < 0) | |
362 | return r; | |
cc377381 LP |
363 | |
364 | p = session_bus_path(session); | |
365 | if (!p) | |
ebcf1f97 | 366 | return -ENOMEM; |
cc377381 | 367 | |
df2d202e | 368 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
369 | } |
370 | ||
7b33c622 AJ |
371 | /* Get login session of a process. This is not what you are looking for these days, |
372 | * as apps may instead belong to a user service unit. This includes terminal | |
373 | * emulators and hence command-line apps. */ | |
19070062 | 374 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 375 | _cleanup_free_ char *p = NULL; |
954449b8 | 376 | Session *session = NULL; |
cc377381 | 377 | Manager *m = userdata; |
4e724d9c | 378 | pid_t pid; |
cc377381 LP |
379 | int r; |
380 | ||
cc377381 LP |
381 | assert(message); |
382 | assert(m); | |
383 | ||
4e724d9c LP |
384 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
385 | ||
cc377381 LP |
386 | r = sd_bus_message_read(message, "u", &pid); |
387 | if (r < 0) | |
ebcf1f97 | 388 | return r; |
07b38ba5 | 389 | if (pid < 0) |
06820eaf | 390 | return -EINVAL; |
cc377381 | 391 | |
06820eaf | 392 | if (pid == 0) { |
309a29df | 393 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
394 | if (r < 0) |
395 | return r; | |
309a29df LP |
396 | } else { |
397 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 398 | if (r < 0) |
ebcf1f97 | 399 | return r; |
4e724d9c | 400 | |
309a29df LP |
401 | if (!session) |
402 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
403 | } | |
cc377381 LP |
404 | |
405 | p = session_bus_path(session); | |
406 | if (!p) | |
ebcf1f97 | 407 | return -ENOMEM; |
cc377381 | 408 | |
df2d202e | 409 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
410 | } |
411 | ||
19070062 | 412 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
413 | _cleanup_free_ char *p = NULL; |
414 | Manager *m = userdata; | |
415 | uint32_t uid; | |
416 | User *user; | |
417 | int r; | |
418 | ||
cc377381 LP |
419 | assert(message); |
420 | assert(m); | |
421 | ||
422 | r = sd_bus_message_read(message, "u", &uid); | |
423 | if (r < 0) | |
ebcf1f97 | 424 | return r; |
cc377381 | 425 | |
309a29df LP |
426 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
427 | if (r < 0) | |
428 | return r; | |
cc377381 LP |
429 | |
430 | p = user_bus_path(user); | |
431 | if (!p) | |
ebcf1f97 | 432 | return -ENOMEM; |
cc377381 | 433 | |
df2d202e | 434 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
435 | } |
436 | ||
19070062 | 437 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
438 | _cleanup_free_ char *p = NULL; |
439 | Manager *m = userdata; | |
954449b8 | 440 | User *user = NULL; |
4e724d9c | 441 | pid_t pid; |
fb6becb4 | 442 | int r; |
98a28fef | 443 | |
cc377381 | 444 | assert(message); |
98a28fef | 445 | assert(m); |
cc377381 | 446 | |
4e724d9c LP |
447 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
448 | ||
cc377381 LP |
449 | r = sd_bus_message_read(message, "u", &pid); |
450 | if (r < 0) | |
ebcf1f97 | 451 | return r; |
07b38ba5 | 452 | if (pid < 0) |
06820eaf | 453 | return -EINVAL; |
cc377381 | 454 | |
06820eaf | 455 | if (pid == 0) { |
309a29df | 456 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
457 | if (r < 0) |
458 | return r; | |
309a29df LP |
459 | } else { |
460 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 461 | if (r < 0) |
ebcf1f97 | 462 | return r; |
309a29df | 463 | if (!user) |
095b8833 AJ |
464 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
465 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
466 | pid); | |
4e724d9c LP |
467 | } |
468 | ||
cc377381 LP |
469 | p = user_bus_path(user); |
470 | if (!p) | |
ebcf1f97 | 471 | return -ENOMEM; |
cc377381 | 472 | |
df2d202e | 473 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
474 | } |
475 | ||
19070062 | 476 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
477 | _cleanup_free_ char *p = NULL; |
478 | Manager *m = userdata; | |
479 | const char *name; | |
480 | Seat *seat; | |
481 | int r; | |
482 | ||
98a28fef | 483 | assert(message); |
cc377381 | 484 | assert(m); |
98a28fef | 485 | |
cc377381 LP |
486 | r = sd_bus_message_read(message, "s", &name); |
487 | if (r < 0) | |
ebcf1f97 | 488 | return r; |
98a28fef | 489 | |
309a29df LP |
490 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
491 | if (r < 0) | |
492 | return r; | |
98a28fef | 493 | |
cc377381 LP |
494 | p = seat_bus_path(seat); |
495 | if (!p) | |
ebcf1f97 | 496 | return -ENOMEM; |
98a28fef | 497 | |
df2d202e | 498 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 499 | } |
98a28fef | 500 | |
19070062 | 501 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 502 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
503 | Manager *m = userdata; |
504 | Session *session; | |
505 | Iterator i; | |
506 | int r; | |
507 | ||
cc377381 LP |
508 | assert(message); |
509 | assert(m); | |
98a28fef | 510 | |
df2d202e | 511 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 512 | if (r < 0) |
ebcf1f97 | 513 | return r; |
98a28fef | 514 | |
cc377381 LP |
515 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
516 | if (r < 0) | |
ebcf1f97 | 517 | return r; |
cc377381 LP |
518 | |
519 | HASHMAP_FOREACH(session, m->sessions, i) { | |
520 | _cleanup_free_ char *p = NULL; | |
521 | ||
522 | p = session_bus_path(session); | |
523 | if (!p) | |
ebcf1f97 | 524 | return -ENOMEM; |
cc377381 LP |
525 | |
526 | r = sd_bus_message_append(reply, "(susso)", | |
527 | session->id, | |
528 | (uint32_t) session->user->uid, | |
529 | session->user->name, | |
530 | session->seat ? session->seat->id : "", | |
531 | p); | |
532 | if (r < 0) | |
ebcf1f97 | 533 | return r; |
cc377381 LP |
534 | } |
535 | ||
536 | r = sd_bus_message_close_container(reply); | |
537 | if (r < 0) | |
ebcf1f97 | 538 | return r; |
cc377381 | 539 | |
9030ca46 | 540 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
541 | } |
542 | ||
19070062 | 543 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 544 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
545 | Manager *m = userdata; |
546 | User *user; | |
547 | Iterator i; | |
548 | int r; | |
549 | ||
cc377381 LP |
550 | assert(message); |
551 | assert(m); | |
552 | ||
df2d202e | 553 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 554 | if (r < 0) |
ebcf1f97 | 555 | return r; |
cc377381 LP |
556 | |
557 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
558 | if (r < 0) | |
ebcf1f97 | 559 | return r; |
cc377381 LP |
560 | |
561 | HASHMAP_FOREACH(user, m->users, i) { | |
562 | _cleanup_free_ char *p = NULL; | |
563 | ||
564 | p = user_bus_path(user); | |
565 | if (!p) | |
ebcf1f97 | 566 | return -ENOMEM; |
cc377381 LP |
567 | |
568 | r = sd_bus_message_append(reply, "(uso)", | |
569 | (uint32_t) user->uid, | |
570 | user->name, | |
571 | p); | |
572 | if (r < 0) | |
ebcf1f97 | 573 | return r; |
cc377381 LP |
574 | } |
575 | ||
576 | r = sd_bus_message_close_container(reply); | |
577 | if (r < 0) | |
ebcf1f97 | 578 | return r; |
cc377381 | 579 | |
9030ca46 | 580 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
581 | } |
582 | ||
19070062 | 583 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 584 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
585 | Manager *m = userdata; |
586 | Seat *seat; | |
587 | Iterator i; | |
588 | int r; | |
589 | ||
cc377381 LP |
590 | assert(message); |
591 | assert(m); | |
592 | ||
df2d202e | 593 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 594 | if (r < 0) |
ebcf1f97 | 595 | return r; |
cc377381 LP |
596 | |
597 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
598 | if (r < 0) | |
ebcf1f97 | 599 | return r; |
cc377381 LP |
600 | |
601 | HASHMAP_FOREACH(seat, m->seats, i) { | |
602 | _cleanup_free_ char *p = NULL; | |
603 | ||
604 | p = seat_bus_path(seat); | |
605 | if (!p) | |
ebcf1f97 | 606 | return -ENOMEM; |
cc377381 | 607 | |
b8358bce | 608 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 609 | if (r < 0) |
ebcf1f97 | 610 | return r; |
cc377381 LP |
611 | } |
612 | ||
613 | r = sd_bus_message_close_container(reply); | |
614 | if (r < 0) | |
ebcf1f97 | 615 | return r; |
cc377381 | 616 | |
9030ca46 | 617 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
618 | } |
619 | ||
19070062 | 620 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 621 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
622 | Manager *m = userdata; |
623 | Inhibitor *inhibitor; | |
624 | Iterator i; | |
625 | int r; | |
626 | ||
19070062 LP |
627 | assert(message); |
628 | assert(m); | |
629 | ||
df2d202e | 630 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 631 | if (r < 0) |
ebcf1f97 | 632 | return r; |
cc377381 LP |
633 | |
634 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
635 | if (r < 0) | |
ebcf1f97 | 636 | return r; |
cc377381 LP |
637 | |
638 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
639 | ||
dbfa3fbb | 640 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
641 | strempty(inhibit_what_to_string(inhibitor->what)), |
642 | strempty(inhibitor->who), | |
643 | strempty(inhibitor->why), | |
644 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
645 | (uint32_t) inhibitor->uid, | |
646 | (uint32_t) inhibitor->pid); | |
647 | if (r < 0) | |
ebcf1f97 | 648 | return r; |
cc377381 LP |
649 | } |
650 | ||
651 | r = sd_bus_message_close_container(reply); | |
652 | if (r < 0) | |
ebcf1f97 | 653 | return r; |
cc377381 | 654 | |
9030ca46 | 655 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
656 | } |
657 | ||
19070062 | 658 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 659 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
06820eaf | 660 | uint32_t audit_id = 0; |
cc377381 LP |
661 | _cleanup_free_ char *id = NULL; |
662 | Session *session = NULL; | |
663 | Manager *m = userdata; | |
664 | User *user = NULL; | |
665 | Seat *seat = NULL; | |
06820eaf LP |
666 | pid_t leader; |
667 | uid_t uid; | |
cc377381 LP |
668 | int remote; |
669 | uint32_t vtnr = 0; | |
670 | SessionType t; | |
671 | SessionClass c; | |
672 | int r; | |
673 | ||
cc377381 LP |
674 | assert(message); |
675 | assert(m); | |
676 | ||
06820eaf LP |
677 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
678 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
679 | ||
a4cd87e9 | 680 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 681 | if (r < 0) |
ebcf1f97 | 682 | return r; |
cc377381 | 683 | |
06820eaf LP |
684 | if (!uid_is_valid(uid)) |
685 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
686 | if (leader < 0 || leader == 1) | |
ebcf1f97 | 687 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 688 | |
e2acb67b LP |
689 | if (isempty(type)) |
690 | t = _SESSION_TYPE_INVALID; | |
691 | else { | |
692 | t = session_type_from_string(type); | |
693 | if (t < 0) | |
ebcf1f97 | 694 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 695 | } |
98a28fef | 696 | |
55efac6c | 697 | if (isempty(class)) |
e2acb67b LP |
698 | c = _SESSION_CLASS_INVALID; |
699 | else { | |
55efac6c | 700 | c = session_class_from_string(class); |
e2acb67b | 701 | if (c < 0) |
ebcf1f97 | 702 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 703 | } |
55efac6c | 704 | |
a4cd87e9 LP |
705 | if (isempty(desktop)) |
706 | desktop = NULL; | |
707 | else { | |
708 | if (!string_is_safe(desktop)) | |
709 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
710 | } | |
711 | ||
954449b8 LP |
712 | if (isempty(cseat)) |
713 | seat = NULL; | |
98a28fef | 714 | else { |
954449b8 LP |
715 | seat = hashmap_get(m->seats, cseat); |
716 | if (!seat) | |
d14ab08b | 717 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
718 | } |
719 | ||
98a28fef | 720 | if (tty_is_vc(tty)) { |
4d6d6518 | 721 | int v; |
98a28fef | 722 | |
954449b8 | 723 | if (!seat) |
92432fcc DH |
724 | seat = m->seat0; |
725 | else if (seat != m->seat0) | |
d14ab08b | 726 | 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 | 727 | |
4d6d6518 | 728 | v = vtnr_from_tty(tty); |
4d6d6518 | 729 | if (v <= 0) |
ebcf1f97 | 730 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 731 | |
92bd5ff3 | 732 | if (!vtnr) |
4d6d6518 LP |
733 | vtnr = (uint32_t) v; |
734 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 735 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 736 | |
d1122ad5 LP |
737 | } else if (tty_is_console(tty)) { |
738 | ||
954449b8 | 739 | if (!seat) |
92432fcc DH |
740 | seat = m->seat0; |
741 | else if (seat != m->seat0) | |
ebcf1f97 | 742 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
743 | |
744 | if (vtnr != 0) | |
ebcf1f97 | 745 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 746 | } |
98a28fef | 747 | |
954449b8 | 748 | if (seat) { |
bf7825ae | 749 | if (seat_has_vts(seat)) { |
c506027a | 750 | if (!vtnr || vtnr > 63) |
ebcf1f97 | 751 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 752 | } else { |
d1122ad5 | 753 | if (vtnr != 0) |
ebcf1f97 | 754 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
755 | } |
756 | } | |
757 | ||
cc377381 LP |
758 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
759 | if (r < 0) | |
ebcf1f97 | 760 | return r; |
98a28fef | 761 | |
e2acb67b LP |
762 | if (t == _SESSION_TYPE_INVALID) { |
763 | if (!isempty(display)) | |
764 | t = SESSION_X11; | |
765 | else if (!isempty(tty)) | |
766 | t = SESSION_TTY; | |
767 | else | |
768 | t = SESSION_UNSPECIFIED; | |
769 | } | |
770 | ||
771 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 772 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 773 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
774 | else |
775 | c = SESSION_USER; | |
e2acb67b LP |
776 | } |
777 | ||
06820eaf | 778 | if (leader == 0) { |
4afd3348 | 779 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
780 | |
781 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
782 | if (r < 0) | |
783 | return r; | |
784 | ||
5b12334d | 785 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 786 | if (r < 0) |
ebcf1f97 | 787 | return r; |
9444b1f2 LP |
788 | } |
789 | ||
b80120c4 DH |
790 | r = manager_get_session_by_pid(m, leader, NULL); |
791 | if (r > 0) | |
792 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session"); | |
793 | ||
794 | /* | |
795 | * Old gdm and lightdm start the user-session on the same VT as | |
796 | * the greeter session. But they destroy the greeter session | |
797 | * after the user-session and want the user-session to take | |
798 | * over the VT. We need to support this for | |
799 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
800 | * on a VT that a greeter is running on. Furthermore, to allow |
801 | * re-logins, we have to allow a greeter to take over a used VT for | |
802 | * the exact same reasons. | |
b80120c4 | 803 | */ |
cc85d562 DH |
804 | if (c != SESSION_GREETER && |
805 | vtnr > 0 && | |
b80120c4 DH |
806 | vtnr < m->seat0->position_count && |
807 | m->seat0->positions[vtnr] && | |
808 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
809 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 810 | |
183e0738 LP |
811 | if (hashmap_size(m->sessions) >= m->sessions_max) |
812 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
813 | ||
3a87a86e LP |
814 | (void) audit_session_from_pid(leader, &audit_id); |
815 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 816 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 817 | |
de0671ee | 818 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 819 | return -ENOMEM; |
21c390cc | 820 | |
954449b8 LP |
821 | /* Wut? There's already a session by this name and we |
822 | * didn't find it above? Weird, then let's not trust | |
823 | * the audit data and let's better register a new | |
824 | * ID */ | |
825 | if (hashmap_get(m->sessions, id)) { | |
4b549144 | 826 | log_warning("Existing logind session ID %s used by new audit session, ignoring", id); |
3a87a86e | 827 | audit_id = AUDIT_SESSION_INVALID; |
8ea913b2 | 828 | |
97b11eed | 829 | id = mfree(id); |
07714753 | 830 | } |
954449b8 | 831 | } |
07714753 | 832 | |
954449b8 | 833 | if (!id) { |
07714753 | 834 | do { |
97b11eed | 835 | id = mfree(id); |
07714753 | 836 | |
cc377381 | 837 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 838 | return -ENOMEM; |
07714753 LP |
839 | |
840 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
841 | } |
842 | ||
954449b8 | 843 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 844 | if (r < 0) |
954449b8 LP |
845 | goto fail; |
846 | ||
9444b1f2 | 847 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 848 | if (r < 0) |
98a28fef LP |
849 | goto fail; |
850 | ||
9444b1f2 LP |
851 | session_set_user(session, user); |
852 | ||
98a28fef LP |
853 | session->leader = leader; |
854 | session->audit_id = audit_id; | |
855 | session->type = t; | |
55efac6c | 856 | session->class = c; |
98a28fef | 857 | session->remote = remote; |
98a28fef LP |
858 | session->vtnr = vtnr; |
859 | ||
98a28fef LP |
860 | if (!isempty(tty)) { |
861 | session->tty = strdup(tty); | |
862 | if (!session->tty) { | |
ebcf1f97 | 863 | r = -ENOMEM; |
98a28fef LP |
864 | goto fail; |
865 | } | |
866 | } | |
867 | ||
868 | if (!isempty(display)) { | |
869 | session->display = strdup(display); | |
870 | if (!session->display) { | |
ebcf1f97 | 871 | r = -ENOMEM; |
98a28fef LP |
872 | goto fail; |
873 | } | |
874 | } | |
875 | ||
876 | if (!isempty(remote_user)) { | |
877 | session->remote_user = strdup(remote_user); | |
878 | if (!session->remote_user) { | |
ebcf1f97 | 879 | r = -ENOMEM; |
98a28fef LP |
880 | goto fail; |
881 | } | |
882 | } | |
883 | ||
884 | if (!isempty(remote_host)) { | |
885 | session->remote_host = strdup(remote_host); | |
886 | if (!session->remote_host) { | |
ebcf1f97 | 887 | r = -ENOMEM; |
98a28fef LP |
888 | goto fail; |
889 | } | |
890 | } | |
891 | ||
892 | if (!isempty(service)) { | |
893 | session->service = strdup(service); | |
894 | if (!session->service) { | |
ebcf1f97 | 895 | r = -ENOMEM; |
98a28fef LP |
896 | goto fail; |
897 | } | |
898 | } | |
899 | ||
a4cd87e9 LP |
900 | if (!isempty(desktop)) { |
901 | session->desktop = strdup(desktop); | |
902 | if (!session->desktop) { | |
903 | r = -ENOMEM; | |
904 | goto fail; | |
905 | } | |
906 | } | |
907 | ||
954449b8 LP |
908 | if (seat) { |
909 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 910 | if (r < 0) |
98a28fef LP |
911 | goto fail; |
912 | } | |
913 | ||
914 | r = session_start(session); | |
ebcf1f97 | 915 | if (r < 0) |
98a28fef LP |
916 | goto fail; |
917 | ||
cc377381 | 918 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 919 | |
cba38758 LP |
920 | /* Now, let's wait until the slice unit and stuff got |
921 | * created. We send the reply back from | |
f7340ab2 | 922 | * session_send_create_reply(). */ |
cba38758 | 923 | |
cc377381 | 924 | return 1; |
98a28fef LP |
925 | |
926 | fail: | |
98a28fef LP |
927 | if (session) |
928 | session_add_to_gc_queue(session); | |
929 | ||
930 | if (user) | |
931 | user_add_to_gc_queue(user); | |
932 | ||
98a28fef LP |
933 | return r; |
934 | } | |
935 | ||
19070062 | 936 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
937 | Manager *m = userdata; |
938 | Session *session; | |
939 | const char *name; | |
940 | int r; | |
314b4b0a | 941 | |
cc377381 LP |
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 | 948 | |
309a29df LP |
949 | r = manager_get_session_from_creds(m, message, name, error, &session); |
950 | if (r < 0) | |
951 | return r; | |
cc377381 | 952 | |
ad8780c9 ZJS |
953 | r = session_release(session); |
954 | if (r < 0) | |
955 | return r; | |
cc377381 | 956 | |
df2d202e | 957 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
958 | } |
959 | ||
19070062 | 960 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
961 | Manager *m = userdata; |
962 | Session *session; | |
963 | const char *name; | |
964 | int r; | |
f8e2fb7b | 965 | |
cc377381 | 966 | assert(message); |
f8e2fb7b | 967 | assert(m); |
cc377381 LP |
968 | |
969 | r = sd_bus_message_read(message, "s", &name); | |
970 | if (r < 0) | |
ebcf1f97 | 971 | return r; |
cc377381 | 972 | |
309a29df LP |
973 | r = manager_get_session_from_creds(m, message, name, error, &session); |
974 | if (r < 0) | |
975 | return r; | |
cc377381 | 976 | |
19070062 | 977 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
978 | } |
979 | ||
19070062 | 980 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
981 | const char *session_name, *seat_name; |
982 | Manager *m = userdata; | |
983 | Session *session; | |
984 | Seat *seat; | |
985 | int r; | |
986 | ||
f8e2fb7b | 987 | assert(message); |
cc377381 | 988 | assert(m); |
f8e2fb7b | 989 | |
cc377381 LP |
990 | /* Same as ActivateSession() but refuses to work if |
991 | * the seat doesn't match */ | |
f8e2fb7b | 992 | |
cc377381 LP |
993 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
994 | if (r < 0) | |
ebcf1f97 | 995 | return r; |
eecd1362 | 996 | |
309a29df LP |
997 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
998 | if (r < 0) | |
999 | return r; | |
beaafb2e | 1000 | |
309a29df LP |
1001 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
1002 | if (r < 0) | |
1003 | return r; | |
314b4b0a | 1004 | |
cc377381 | 1005 | if (session->seat != seat) |
ebcf1f97 | 1006 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
1007 | |
1008 | r = session_activate(session); | |
f8e2fb7b | 1009 | if (r < 0) |
ebcf1f97 | 1010 | return r; |
f8e2fb7b | 1011 | |
df2d202e | 1012 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 1013 | } |
f8e2fb7b | 1014 | |
19070062 | 1015 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1016 | Manager *m = userdata; |
1017 | Session *session; | |
1018 | const char *name; | |
1019 | int r; | |
f8e2fb7b | 1020 | |
cc377381 LP |
1021 | assert(message); |
1022 | assert(m); | |
f8e2fb7b | 1023 | |
cc377381 LP |
1024 | r = sd_bus_message_read(message, "s", &name); |
1025 | if (r < 0) | |
ebcf1f97 | 1026 | return r; |
f8e2fb7b | 1027 | |
309a29df LP |
1028 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1029 | if (r < 0) | |
1030 | return r; | |
f8e2fb7b | 1031 | |
19070062 | 1032 | return bus_session_method_lock(message, session, error); |
cc377381 | 1033 | } |
f8e2fb7b | 1034 | |
19070062 | 1035 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1036 | Manager *m = userdata; |
1037 | int r; | |
f8e2fb7b | 1038 | |
cc377381 LP |
1039 | assert(message); |
1040 | assert(m); | |
f8e2fb7b | 1041 | |
c529695e LP |
1042 | r = bus_verify_polkit_async( |
1043 | message, | |
1044 | CAP_SYS_ADMIN, | |
1045 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 1046 | NULL, |
c529695e LP |
1047 | false, |
1048 | UID_INVALID, | |
1049 | &m->polkit_registry, | |
1050 | error); | |
1051 | if (r < 0) | |
1052 | return r; | |
1053 | if (r == 0) | |
1054 | return 1; /* Will call us back */ | |
1055 | ||
cc377381 LP |
1056 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1057 | if (r < 0) | |
ebcf1f97 | 1058 | return r; |
f8e2fb7b | 1059 | |
df2d202e | 1060 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1061 | } |
1062 | ||
19070062 | 1063 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1064 | const char *name; |
cc377381 LP |
1065 | Manager *m = userdata; |
1066 | Session *session; | |
cc377381 LP |
1067 | int r; |
1068 | ||
cc377381 LP |
1069 | assert(message); |
1070 | assert(m); | |
1071 | ||
c529695e | 1072 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1073 | if (r < 0) |
ebcf1f97 | 1074 | return r; |
cc377381 | 1075 | |
309a29df LP |
1076 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1077 | if (r < 0) | |
1078 | return r; | |
f8e2fb7b | 1079 | |
19070062 | 1080 | return bus_session_method_kill(message, session, error); |
cc377381 | 1081 | } |
f8e2fb7b | 1082 | |
19070062 | 1083 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1084 | Manager *m = userdata; |
1085 | uint32_t uid; | |
cc377381 LP |
1086 | User *user; |
1087 | int r; | |
f8e2fb7b | 1088 | |
cc377381 LP |
1089 | assert(message); |
1090 | assert(m); | |
1091 | ||
c529695e | 1092 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1093 | if (r < 0) |
ebcf1f97 | 1094 | return r; |
cc377381 | 1095 | |
309a29df LP |
1096 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1097 | if (r < 0) | |
1098 | return r; | |
cc377381 | 1099 | |
19070062 | 1100 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1101 | } |
1102 | ||
19070062 | 1103 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1104 | Manager *m = userdata; |
1105 | const char *name; | |
1106 | Session *session; | |
1107 | int r; | |
1108 | ||
cc377381 LP |
1109 | assert(message); |
1110 | assert(m); | |
1111 | ||
1112 | r = sd_bus_message_read(message, "s", &name); | |
1113 | if (r < 0) | |
ebcf1f97 | 1114 | return r; |
cc377381 | 1115 | |
309a29df LP |
1116 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1117 | if (r < 0) | |
1118 | return r; | |
cc377381 | 1119 | |
19070062 | 1120 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1121 | } |
1122 | ||
19070062 | 1123 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1124 | Manager *m = userdata; |
1125 | uint32_t uid; | |
1126 | User *user; | |
1127 | int r; | |
1128 | ||
cc377381 LP |
1129 | assert(message); |
1130 | assert(m); | |
1131 | ||
1132 | r = sd_bus_message_read(message, "u", &uid); | |
1133 | if (r < 0) | |
ebcf1f97 | 1134 | return r; |
cc377381 | 1135 | |
309a29df LP |
1136 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1137 | if (r < 0) | |
1138 | return r; | |
cc377381 | 1139 | |
19070062 | 1140 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1141 | } |
1142 | ||
19070062 | 1143 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1144 | Manager *m = userdata; |
1145 | const char *name; | |
1146 | Seat *seat; | |
1147 | int r; | |
1148 | ||
cc377381 LP |
1149 | assert(message); |
1150 | assert(m); | |
1151 | ||
1152 | r = sd_bus_message_read(message, "s", &name); | |
1153 | if (r < 0) | |
ebcf1f97 | 1154 | return r; |
cc377381 | 1155 | |
309a29df LP |
1156 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1157 | if (r < 0) | |
1158 | return r; | |
cc377381 | 1159 | |
19070062 | 1160 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1161 | } |
1162 | ||
19070062 | 1163 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
34160d91 | 1164 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
1165 | _cleanup_free_ char *cc = NULL; |
1166 | Manager *m = userdata; | |
152199f2 | 1167 | int r, b, interactive; |
cc377381 LP |
1168 | struct passwd *pw; |
1169 | const char *path; | |
34160d91 | 1170 | uint32_t uid, auth_uid; |
cc377381 | 1171 | |
cc377381 LP |
1172 | assert(message); |
1173 | assert(m); | |
1174 | ||
1175 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1176 | if (r < 0) | |
ebcf1f97 | 1177 | return r; |
cc377381 | 1178 | |
34160d91 AJ |
1179 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1180 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1181 | if (r < 0) | |
1182 | return r; | |
309a29df | 1183 | |
34160d91 AJ |
1184 | if (!uid_is_valid(uid)) { |
1185 | /* Note that we get the owner UID of the session or user unit, | |
1186 | * not the actual client UID here! */ | |
309a29df LP |
1187 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1188 | if (r < 0) | |
1189 | return r; | |
34160d91 | 1190 | } |
06820eaf | 1191 | |
34160d91 AJ |
1192 | /* owner_uid is racy, so for authorization we must use euid */ |
1193 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1194 | if (r < 0) | |
1195 | return r; | |
309a29df | 1196 | |
cc377381 LP |
1197 | errno = 0; |
1198 | pw = getpwuid(uid); | |
1199 | if (!pw) | |
f5e5c28f | 1200 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1201 | |
f3885791 LP |
1202 | r = bus_verify_polkit_async( |
1203 | message, | |
1204 | CAP_SYS_ADMIN, | |
34160d91 AJ |
1205 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1206 | "org.freedesktop.login1.set-user-linger", | |
403ed0e5 | 1207 | NULL, |
f3885791 | 1208 | interactive, |
c529695e | 1209 | UID_INVALID, |
f3885791 LP |
1210 | &m->polkit_registry, |
1211 | error); | |
cc377381 | 1212 | if (r < 0) |
ebcf1f97 | 1213 | return r; |
cc377381 LP |
1214 | if (r == 0) |
1215 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1216 | ||
1217 | mkdir_p_label("/var/lib/systemd", 0755); | |
1218 | ||
c31ad024 | 1219 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, false); |
cc377381 | 1220 | if (r < 0) |
ebcf1f97 | 1221 | return r; |
cc377381 LP |
1222 | |
1223 | cc = cescape(pw->pw_name); | |
1224 | if (!cc) | |
ebcf1f97 | 1225 | return -ENOMEM; |
cc377381 | 1226 | |
63c372cb | 1227 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1228 | if (b) { |
1229 | User *u; | |
1230 | ||
1231 | r = touch(path); | |
1232 | if (r < 0) | |
ebcf1f97 | 1233 | return r; |
cc377381 LP |
1234 | |
1235 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1236 | user_start(u); | |
1237 | ||
1238 | } else { | |
1239 | User *u; | |
1240 | ||
1241 | r = unlink(path); | |
1242 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1243 | return -errno; |
cc377381 | 1244 | |
8cb4ab00 | 1245 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1246 | if (u) |
1247 | user_add_to_gc_queue(u); | |
1248 | } | |
1249 | ||
df2d202e | 1250 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1251 | } |
1252 | ||
2eb916cd | 1253 | static int trigger_device(Manager *m, struct udev_device *d) { |
06acf2d4 | 1254 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
b668e064 LP |
1255 | struct udev_list_entry *first, *item; |
1256 | int r; | |
1257 | ||
1258 | assert(m); | |
1259 | ||
1260 | e = udev_enumerate_new(m->udev); | |
06acf2d4 LP |
1261 | if (!e) |
1262 | return -ENOMEM; | |
b668e064 | 1263 | |
2eb916cd | 1264 | if (d) { |
06acf2d4 LP |
1265 | r = udev_enumerate_add_match_parent(e, d); |
1266 | if (r < 0) | |
1267 | return r; | |
2eb916cd LP |
1268 | } |
1269 | ||
06acf2d4 LP |
1270 | r = udev_enumerate_scan_devices(e); |
1271 | if (r < 0) | |
1272 | return r; | |
b668e064 LP |
1273 | |
1274 | first = udev_enumerate_get_list_entry(e); | |
1275 | udev_list_entry_foreach(item, first) { | |
cc377381 | 1276 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1277 | const char *p; |
1278 | ||
1279 | p = udev_list_entry_get_name(item); | |
1280 | ||
b668e064 | 1281 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1282 | if (!t) |
1283 | return -ENOMEM; | |
b668e064 | 1284 | |
ddd59d0c | 1285 | (void) write_string_file(t, "change", 0); |
b668e064 LP |
1286 | } |
1287 | ||
06acf2d4 | 1288 | return 0; |
b668e064 LP |
1289 | } |
1290 | ||
47a26690 | 1291 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
06acf2d4 | 1292 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
7fd1b19b | 1293 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1294 | const char *id_for_seat; |
47a26690 LP |
1295 | int r; |
1296 | ||
1297 | assert(m); | |
1298 | assert(seat); | |
1299 | assert(sysfs); | |
1300 | ||
1301 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
1302 | if (!d) | |
1303 | return -ENODEV; | |
1304 | ||
06acf2d4 LP |
1305 | if (!udev_device_has_tag(d, "seat")) |
1306 | return -ENODEV; | |
47a26690 | 1307 | |
c28fa3d3 | 1308 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
06acf2d4 LP |
1309 | if (!id_for_seat) |
1310 | return -ENODEV; | |
47a26690 | 1311 | |
06acf2d4 LP |
1312 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1313 | return -ENOMEM; | |
47a26690 | 1314 | |
06acf2d4 LP |
1315 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1316 | return -ENOMEM; | |
47a26690 | 1317 | |
d2e54fae | 1318 | mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1319 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1320 | if (r < 0) |
06acf2d4 | 1321 | return r; |
47a26690 | 1322 | |
06acf2d4 | 1323 | return trigger_device(m, d); |
47a26690 LP |
1324 | } |
1325 | ||
b668e064 | 1326 | static int flush_devices(Manager *m) { |
7fd1b19b | 1327 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1328 | |
1329 | assert(m); | |
1330 | ||
1331 | d = opendir("/etc/udev/rules.d"); | |
1332 | if (!d) { | |
1333 | if (errno != ENOENT) | |
56f64d95 | 1334 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1335 | } else { |
1336 | struct dirent *de; | |
1337 | ||
8fb3f009 | 1338 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1339 | if (!dirent_is_file(de)) |
1340 | continue; | |
1341 | ||
1342 | if (!startswith(de->d_name, "72-seat-")) | |
1343 | continue; | |
1344 | ||
1345 | if (!endswith(de->d_name, ".rules")) | |
1346 | continue; | |
1347 | ||
1348 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1349 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1350 | } |
b668e064 LP |
1351 | } |
1352 | ||
1353 | return trigger_device(m, NULL); | |
1354 | } | |
1355 | ||
19070062 | 1356 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1357 | const char *sysfs, *seat; |
1358 | Manager *m = userdata; | |
1359 | int interactive, r; | |
1360 | ||
cc377381 LP |
1361 | assert(message); |
1362 | assert(m); | |
1363 | ||
1364 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1365 | if (r < 0) | |
ebcf1f97 | 1366 | return r; |
cc377381 LP |
1367 | |
1368 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1369 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1370 | |
1371 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1372 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1373 | |
f3885791 LP |
1374 | r = bus_verify_polkit_async( |
1375 | message, | |
1376 | CAP_SYS_ADMIN, | |
1377 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1378 | NULL, |
f3885791 | 1379 | interactive, |
c529695e | 1380 | UID_INVALID, |
f3885791 LP |
1381 | &m->polkit_registry, |
1382 | error); | |
cc377381 | 1383 | if (r < 0) |
ebcf1f97 | 1384 | return r; |
cc377381 LP |
1385 | if (r == 0) |
1386 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1387 | ||
1388 | r = attach_device(m, seat, sysfs); | |
1389 | if (r < 0) | |
ebcf1f97 | 1390 | return r; |
cc377381 | 1391 | |
df2d202e | 1392 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1393 | } |
1394 | ||
19070062 | 1395 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1396 | Manager *m = userdata; |
1397 | int interactive, r; | |
1398 | ||
cc377381 LP |
1399 | assert(message); |
1400 | assert(m); | |
1401 | ||
1402 | r = sd_bus_message_read(message, "b", &interactive); | |
1403 | if (r < 0) | |
ebcf1f97 | 1404 | return r; |
cc377381 | 1405 | |
f3885791 LP |
1406 | r = bus_verify_polkit_async( |
1407 | message, | |
1408 | CAP_SYS_ADMIN, | |
1409 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1410 | NULL, |
f3885791 | 1411 | interactive, |
c529695e | 1412 | UID_INVALID, |
f3885791 LP |
1413 | &m->polkit_registry, |
1414 | error); | |
cc377381 | 1415 | if (r < 0) |
ebcf1f97 | 1416 | return r; |
cc377381 LP |
1417 | if (r == 0) |
1418 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1419 | ||
1420 | r = flush_devices(m); | |
1421 | if (r < 0) | |
ebcf1f97 | 1422 | return r; |
cc377381 | 1423 | |
df2d202e | 1424 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1425 | } |
1426 | ||
89f13440 | 1427 | static int have_multiple_sessions( |
89f13440 | 1428 | Manager *m, |
409133be | 1429 | uid_t uid) { |
89f13440 | 1430 | |
2154761f MS |
1431 | Session *session; |
1432 | Iterator i; | |
89f13440 LP |
1433 | |
1434 | assert(m); | |
1435 | ||
1ca04b87 LP |
1436 | /* Check for other users' sessions. Greeter sessions do not |
1437 | * count, and non-login sessions do not count either. */ | |
2154761f | 1438 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1439 | if (session->class == SESSION_USER && |
1ca04b87 | 1440 | session->user->uid != uid) |
2154761f | 1441 | return true; |
89f13440 LP |
1442 | |
1443 | return false; | |
1444 | } | |
1445 | ||
314b4b0a LP |
1446 | static int bus_manager_log_shutdown( |
1447 | Manager *m, | |
314b4b0a LP |
1448 | const char *unit_name) { |
1449 | ||
5744f59a | 1450 | const char *p, *q; |
314b4b0a LP |
1451 | |
1452 | assert(m); | |
1453 | assert(unit_name); | |
1454 | ||
314b4b0a | 1455 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1456 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1457 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1458 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1459 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1460 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1461 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1462 | p = "MESSAGE=System is halting"; | |
1463 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1464 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1465 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1466 | q = "SHUTDOWN=kexec"; |
1467 | } else { | |
f868cb58 | 1468 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1469 | q = NULL; |
1470 | } | |
1471 | ||
f868cb58 ZJS |
1472 | if (isempty(m->wall_message)) |
1473 | p = strjoina(p, "."); | |
1474 | else | |
1475 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1476 | |
e2cc6eca | 1477 | return log_struct(LOG_NOTICE, |
2b044526 | 1478 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1479 | p, |
e2cc6eca LP |
1480 | q, |
1481 | NULL); | |
314b4b0a LP |
1482 | } |
1483 | ||
b5d3e168 KS |
1484 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1485 | Manager *m = userdata; | |
1486 | ||
1487 | assert(e); | |
1488 | assert(m); | |
1489 | ||
1490 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1495 | int r; | |
1496 | ||
1497 | assert(m); | |
1498 | ||
1499 | if (until <= now(CLOCK_MONOTONIC)) | |
1500 | return 0; | |
1501 | ||
1502 | /* We want to ignore the lid switch for a while after each | |
1503 | * suspend, and after boot-up. Hence let's install a timer for | |
1504 | * this. As long as the event source exists we ignore the lid | |
1505 | * switch. */ | |
1506 | ||
1507 | if (m->lid_switch_ignore_event_source) { | |
1508 | usec_t u; | |
1509 | ||
1510 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1511 | if (r < 0) | |
1512 | return r; | |
1513 | ||
1514 | if (until <= u) | |
1515 | return 0; | |
1516 | ||
1517 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1518 | } else | |
6a0f1f6d LP |
1519 | r = sd_event_add_time( |
1520 | m->event, | |
1521 | &m->lid_switch_ignore_event_source, | |
1522 | CLOCK_MONOTONIC, | |
1523 | until, 0, | |
1524 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1525 | |
1526 | return r; | |
1527 | } | |
1528 | ||
6d7f7fd4 AJ |
1529 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1530 | ||
1531 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1532 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1533 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1534 | }; | |
1535 | ||
1536 | int active = _active; | |
1537 | ||
1538 | assert(m); | |
1539 | assert(w >= 0); | |
1540 | assert(w < _INHIBIT_WHAT_MAX); | |
1541 | assert(signal_name[w]); | |
1542 | ||
1543 | return sd_bus_emit_signal(m->bus, | |
1544 | "/org/freedesktop/login1", | |
1545 | "org.freedesktop.login1.Manager", | |
1546 | signal_name[w], | |
1547 | "b", | |
1548 | active); | |
1549 | } | |
1550 | ||
314b4b0a LP |
1551 | static int execute_shutdown_or_sleep( |
1552 | Manager *m, | |
1553 | InhibitWhat w, | |
1554 | const char *unit_name, | |
cc377381 | 1555 | sd_bus_error *error) { |
314b4b0a | 1556 | |
4afd3348 | 1557 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1389f4b9 | 1558 | char *c = NULL; |
cc377381 | 1559 | const char *p; |
cc377381 | 1560 | int r; |
eecd1362 | 1561 | |
af9792ac | 1562 | assert(m); |
b61fa4e0 | 1563 | assert(w > 0); |
314b4b0a | 1564 | assert(w < _INHIBIT_WHAT_MAX); |
d889a206 | 1565 | assert(unit_name); |
eecd1362 | 1566 | |
df75a1a8 AJ |
1567 | if (w == INHIBIT_SHUTDOWN) |
1568 | bus_manager_log_shutdown(m, unit_name); | |
314b4b0a | 1569 | |
df75a1a8 AJ |
1570 | r = sd_bus_call_method( |
1571 | m->bus, | |
1572 | "org.freedesktop.systemd1", | |
1573 | "/org/freedesktop/systemd1", | |
1574 | "org.freedesktop.systemd1.Manager", | |
1575 | "StartUnit", | |
1576 | error, | |
1577 | &reply, | |
1578 | "ss", unit_name, "replace-irreversibly"); | |
1579 | if (r < 0) | |
6d7f7fd4 | 1580 | goto error; |
af9792ac | 1581 | |
df75a1a8 AJ |
1582 | r = sd_bus_message_read(reply, "o", &p); |
1583 | if (r < 0) | |
6d7f7fd4 | 1584 | goto error; |
af9792ac | 1585 | |
df75a1a8 | 1586 | c = strdup(p); |
6d7f7fd4 AJ |
1587 | if (!c) { |
1588 | r = -ENOMEM; | |
1589 | goto error; | |
1590 | } | |
af9792ac | 1591 | |
314b4b0a | 1592 | m->action_unit = unit_name; |
af9792ac LP |
1593 | free(m->action_job); |
1594 | m->action_job = c; | |
314b4b0a | 1595 | m->action_what = w; |
af9792ac | 1596 | |
f9cd6be1 | 1597 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1598 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1599 | |
af9792ac | 1600 | return 0; |
6d7f7fd4 AJ |
1601 | |
1602 | error: | |
1603 | /* Tell people that they now may take a lock again */ | |
401e33ed | 1604 | (void) send_prepare_for(m, w, false); |
6d7f7fd4 AJ |
1605 | |
1606 | return r; | |
eecd1362 LP |
1607 | } |
1608 | ||
418b22b8 | 1609 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1610 | |
4afd3348 | 1611 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1612 | Inhibitor *offending = NULL; |
c0f32805 DM |
1613 | int r; |
1614 | ||
1615 | assert(manager); | |
c0f32805 DM |
1616 | |
1617 | if (manager->action_what == 0 || manager->action_job) | |
1618 | return 0; | |
1619 | ||
1620 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1621 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1622 | ||
418b22b8 DM |
1623 | if (!timeout) |
1624 | return 0; | |
1625 | ||
c0f32805 DM |
1626 | (void) get_process_comm(offending->pid, &comm); |
1627 | u = uid_to_name(offending->uid); | |
1628 | ||
1629 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1630 | offending->uid, strna(u), | |
1631 | offending->pid, strna(comm)); | |
1632 | } | |
1633 | ||
1634 | /* Actually do the operation */ | |
1635 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1636 | if (r < 0) { | |
6d7f7fd4 AJ |
1637 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1638 | bus_error_message(&error, r)); | |
c0f32805 DM |
1639 | |
1640 | manager->action_unit = NULL; | |
1641 | manager->action_what = 0; | |
418b22b8 | 1642 | return r; |
c0f32805 DM |
1643 | } |
1644 | ||
418b22b8 DM |
1645 | return 1; |
1646 | } | |
1647 | ||
1648 | static int manager_inhibit_timeout_handler( | |
1649 | sd_event_source *s, | |
1650 | uint64_t usec, | |
1651 | void *userdata) { | |
1652 | ||
1653 | Manager *manager = userdata; | |
1654 | int r; | |
1655 | ||
1656 | assert(manager); | |
1657 | assert(manager->inhibit_timeout_source == s); | |
1658 | ||
1659 | r = manager_dispatch_delayed(manager, true); | |
1660 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1661 | } |
1662 | ||
314b4b0a LP |
1663 | static int delay_shutdown_or_sleep( |
1664 | Manager *m, | |
1665 | InhibitWhat w, | |
1666 | const char *unit_name) { | |
eecd1362 | 1667 | |
c0f32805 DM |
1668 | int r; |
1669 | usec_t timeout_val; | |
1670 | ||
eecd1362 | 1671 | assert(m); |
d889a206 LP |
1672 | assert(w >= 0); |
1673 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1674 | assert(unit_name); |
eecd1362 | 1675 | |
c0f32805 DM |
1676 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1677 | ||
1678 | if (m->inhibit_timeout_source) { | |
1679 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1680 | if (r < 0) | |
c2a23db0 | 1681 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1682 | |
1683 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1684 | if (r < 0) | |
c2a23db0 | 1685 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1686 | } else { |
1687 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1688 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1689 | if (r < 0) | |
1690 | return r; | |
1691 | } | |
1692 | ||
314b4b0a LP |
1693 | m->action_unit = unit_name; |
1694 | m->action_what = w; | |
d889a206 LP |
1695 | |
1696 | return 0; | |
1697 | } | |
1698 | ||
069cfc85 LP |
1699 | int bus_manager_shutdown_or_sleep_now_or_later( |
1700 | Manager *m, | |
1701 | const char *unit_name, | |
1702 | InhibitWhat w, | |
cc377381 | 1703 | sd_bus_error *error) { |
069cfc85 LP |
1704 | |
1705 | bool delayed; | |
1706 | int r; | |
1707 | ||
1708 | assert(m); | |
1709 | assert(unit_name); | |
b61fa4e0 | 1710 | assert(w > 0); |
069cfc85 | 1711 | assert(w <= _INHIBIT_WHAT_MAX); |
af9792ac | 1712 | assert(!m->action_job); |
069cfc85 | 1713 | |
314b4b0a | 1714 | /* Tell everybody to prepare for shutdown/sleep */ |
401e33ed | 1715 | (void) send_prepare_for(m, w, true); |
314b4b0a | 1716 | |
069cfc85 LP |
1717 | delayed = |
1718 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1719 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1720 | |
1721 | if (delayed) | |
1722 | /* Shutdown is delayed, keep in mind what we | |
1723 | * want to do, and start a timeout */ | |
1724 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1725 | else |
069cfc85 LP |
1726 | /* Shutdown is not delayed, execute it |
1727 | * immediately */ | |
314b4b0a | 1728 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1729 | |
1730 | return r; | |
1731 | } | |
1732 | ||
b7aa9589 | 1733 | static int verify_shutdown_creds( |
d889a206 | 1734 | Manager *m, |
cc377381 | 1735 | sd_bus_message *message, |
d889a206 | 1736 | InhibitWhat w, |
b7aa9589 | 1737 | bool interactive, |
d889a206 LP |
1738 | const char *action, |
1739 | const char *action_multiple_sessions, | |
1740 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1741 | sd_bus_error *error) { |
d889a206 | 1742 | |
4afd3348 | 1743 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1744 | bool multiple_sessions, blocked; |
cc377381 | 1745 | uid_t uid; |
b7aa9589 | 1746 | int r; |
d889a206 LP |
1747 | |
1748 | assert(m); | |
d889a206 | 1749 | assert(message); |
d889a206 LP |
1750 | assert(w >= 0); |
1751 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1752 | |
05bae4a6 | 1753 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1754 | if (r < 0) |
1755 | return r; | |
1756 | ||
05bae4a6 | 1757 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1758 | if (r < 0) |
ebcf1f97 | 1759 | return r; |
409133be | 1760 | |
cc377381 | 1761 | r = have_multiple_sessions(m, uid); |
d889a206 | 1762 | if (r < 0) |
ebcf1f97 | 1763 | return r; |
d889a206 LP |
1764 | |
1765 | multiple_sessions = r > 0; | |
85a428c6 | 1766 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1767 | |
b7aa9589 | 1768 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1769 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1770 | if (r < 0) |
ebcf1f97 | 1771 | return r; |
055d4066 ZJS |
1772 | if (r == 0) |
1773 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1774 | } |
1775 | ||
b7aa9589 | 1776 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1777 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1778 | if (r < 0) |
ebcf1f97 | 1779 | return r; |
055d4066 ZJS |
1780 | if (r == 0) |
1781 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1782 | } |
1783 | ||
b7aa9589 | 1784 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1785 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1786 | if (r < 0) |
ebcf1f97 | 1787 | return r; |
055d4066 ZJS |
1788 | if (r == 0) |
1789 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1790 | } |
1791 | ||
b7aa9589 DM |
1792 | return 0; |
1793 | } | |
1794 | ||
1795 | static int method_do_shutdown_or_sleep( | |
1796 | Manager *m, | |
1797 | sd_bus_message *message, | |
1798 | const char *unit_name, | |
1799 | InhibitWhat w, | |
1800 | const char *action, | |
1801 | const char *action_multiple_sessions, | |
1802 | const char *action_ignore_inhibit, | |
1803 | const char *sleep_verb, | |
1804 | sd_bus_error *error) { | |
1805 | ||
1806 | int interactive, r; | |
1807 | ||
1808 | assert(m); | |
1809 | assert(message); | |
1810 | assert(unit_name); | |
1811 | assert(w >= 0); | |
1812 | assert(w <= _INHIBIT_WHAT_MAX); | |
1813 | ||
1814 | r = sd_bus_message_read(message, "b", &interactive); | |
1815 | if (r < 0) | |
1816 | return r; | |
1817 | ||
1818 | /* Don't allow multiple jobs being executed at the same time */ | |
1819 | if (m->action_what) | |
1820 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); | |
1821 | ||
1822 | if (sleep_verb) { | |
1823 | r = can_sleep(sleep_verb); | |
1824 | if (r < 0) | |
1825 | return r; | |
1826 | ||
1827 | if (r == 0) | |
1828 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); | |
1829 | } | |
1830 | ||
1831 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1832 | action_ignore_inhibit, error); | |
1833 | if (r != 0) | |
1834 | return r; | |
1835 | ||
ebcf1f97 | 1836 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1837 | if (r < 0) |
ebcf1f97 | 1838 | return r; |
d889a206 | 1839 | |
df2d202e | 1840 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1841 | } |
1842 | ||
19070062 | 1843 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1844 | Manager *m = userdata; |
1845 | ||
cc377381 LP |
1846 | return method_do_shutdown_or_sleep( |
1847 | m, message, | |
1848 | SPECIAL_POWEROFF_TARGET, | |
1849 | INHIBIT_SHUTDOWN, | |
1850 | "org.freedesktop.login1.power-off", | |
1851 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1852 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1853 | NULL, | |
ebcf1f97 | 1854 | error); |
cc377381 | 1855 | } |
88e3dc90 | 1856 | |
19070062 | 1857 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1858 | Manager *m = userdata; |
88e3dc90 | 1859 | |
cc377381 LP |
1860 | return method_do_shutdown_or_sleep( |
1861 | m, message, | |
1862 | SPECIAL_REBOOT_TARGET, | |
1863 | INHIBIT_SHUTDOWN, | |
1864 | "org.freedesktop.login1.reboot", | |
1865 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1866 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1867 | NULL, | |
ebcf1f97 | 1868 | error); |
cc377381 | 1869 | } |
88e3dc90 | 1870 | |
36b69c31 LP |
1871 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1872 | Manager *m = userdata; | |
1873 | ||
1874 | return method_do_shutdown_or_sleep( | |
1875 | m, message, | |
1876 | SPECIAL_HALT_TARGET, | |
1877 | INHIBIT_SHUTDOWN, | |
1878 | "org.freedesktop.login1.halt", | |
1879 | "org.freedesktop.login1.halt-multiple-sessions", | |
1880 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1881 | NULL, | |
1882 | error); | |
1883 | } | |
1884 | ||
19070062 | 1885 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1886 | Manager *m = userdata; |
88e3dc90 | 1887 | |
cc377381 LP |
1888 | return method_do_shutdown_or_sleep( |
1889 | m, message, | |
1890 | SPECIAL_SUSPEND_TARGET, | |
1891 | INHIBIT_SLEEP, | |
1892 | "org.freedesktop.login1.suspend", | |
1893 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1894 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1895 | "suspend", | |
ebcf1f97 | 1896 | error); |
cc377381 | 1897 | } |
88e3dc90 | 1898 | |
15e99a43 LP |
1899 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1900 | Manager *m = userdata; | |
1901 | ||
1902 | return method_do_shutdown_or_sleep( | |
1903 | m, message, | |
1904 | SPECIAL_HIBERNATE_TARGET, | |
1905 | INHIBIT_SLEEP, | |
1906 | "org.freedesktop.login1.hibernate", | |
1907 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1908 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1909 | "hibernate", | |
1910 | error); | |
1911 | } | |
1912 | ||
1913 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1914 | Manager *m = userdata; | |
1915 | ||
1916 | return method_do_shutdown_or_sleep( | |
1917 | m, message, | |
1918 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1919 | INHIBIT_SLEEP, | |
1920 | "org.freedesktop.login1.hibernate", | |
1921 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1922 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1923 | "hybrid-sleep", | |
1924 | error); | |
1925 | } | |
1926 | ||
867c37f6 DM |
1927 | static int nologin_timeout_handler( |
1928 | sd_event_source *s, | |
1929 | uint64_t usec, | |
1930 | void *userdata) { | |
1931 | ||
1932 | Manager *m = userdata; | |
1933 | int r; | |
1934 | ||
1935 | log_info("Creating /run/nologin, blocking further logins..."); | |
1936 | ||
716cff4b | 1937 | r = write_string_file_atomic_label("/run/nologin", "System is going down."); |
867c37f6 DM |
1938 | if (r < 0) |
1939 | log_error_errno(r, "Failed to create /run/nologin: %m"); | |
1940 | else | |
1941 | m->unlink_nologin = true; | |
1942 | ||
1943 | return 0; | |
1944 | } | |
1945 | ||
1946 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1947 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1948 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1949 | int r; |
867c37f6 DM |
1950 | |
1951 | assert(m); | |
1952 | ||
c31ad024 | 1953 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false); |
867c37f6 DM |
1954 | if (r < 0) |
1955 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1956 | ||
867c37f6 DM |
1957 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1958 | if (r < 0) | |
1959 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1960 | ||
1961 | (void) fchmod(fileno(f), 0644); | |
1962 | ||
1963 | fprintf(f, | |
1964 | "USEC="USEC_FMT"\n" | |
1965 | "WARN_WALL=%i\n" | |
1966 | "MODE=%s\n", | |
1967 | m->scheduled_shutdown_timeout, | |
1968 | m->enable_wall_messages, | |
1969 | m->scheduled_shutdown_type); | |
1970 | ||
91b3e7fb LP |
1971 | if (!isempty(m->wall_message)) { |
1972 | _cleanup_free_ char *t; | |
1973 | ||
1974 | t = cescape(m->wall_message); | |
1975 | if (!t) { | |
1976 | r = -ENOMEM; | |
1977 | goto fail; | |
1978 | } | |
1979 | ||
867c37f6 | 1980 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1981 | } |
867c37f6 | 1982 | |
dacd6cee LP |
1983 | r = fflush_and_check(f); |
1984 | if (r < 0) | |
1985 | goto fail; | |
867c37f6 | 1986 | |
dacd6cee | 1987 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1988 | r = -errno; |
dacd6cee | 1989 | goto fail; |
867c37f6 DM |
1990 | } |
1991 | ||
dacd6cee LP |
1992 | return 0; |
1993 | ||
1994 | fail: | |
1995 | (void) unlink(temp_path); | |
1996 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1997 | ||
1998 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1999 | } |
2000 | ||
df75a1a8 | 2001 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
2002 | assert(m); |
2003 | ||
df75a1a8 AJ |
2004 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
2005 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
2006 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 2007 | |
df75a1a8 AJ |
2008 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
2009 | m->scheduled_shutdown_timeout = 0; | |
2010 | m->shutdown_dry_run = false; | |
2011 | ||
2012 | if (m->unlink_nologin) { | |
2013 | (void) unlink("/run/nologin"); | |
2014 | m->unlink_nologin = false; | |
2015 | } | |
36b69c31 | 2016 | |
df75a1a8 AJ |
2017 | (void) unlink("/run/systemd/shutdown/scheduled"); |
2018 | } | |
2019 | ||
8aaa023a DM |
2020 | static int manager_scheduled_shutdown_handler( |
2021 | sd_event_source *s, | |
2022 | uint64_t usec, | |
2023 | void *userdata) { | |
2024 | ||
4afd3348 | 2025 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
2026 | Manager *m = userdata; |
2027 | const char *target; | |
2028 | int r; | |
2029 | ||
2030 | assert(m); | |
2031 | ||
2032 | if (isempty(m->scheduled_shutdown_type)) | |
2033 | return 0; | |
2034 | ||
36b69c31 | 2035 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 2036 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 2037 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 2038 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
2039 | else if (streq(m->scheduled_shutdown_type, "halt")) |
2040 | target = SPECIAL_HALT_TARGET; | |
2041 | else | |
2042 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 2043 | |
b498d6ea AJ |
2044 | /* Don't allow multiple jobs being executed at the same time */ |
2045 | if (m->action_what) { | |
6d7f7fd4 | 2046 | r = -EALREADY; |
b498d6ea | 2047 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2048 | goto error; |
b498d6ea AJ |
2049 | } |
2050 | ||
df75a1a8 AJ |
2051 | if (m->shutdown_dry_run) { |
2052 | /* We do not process delay inhibitors here. Otherwise, we | |
2053 | * would have to be considered "in progress" (like the check | |
2054 | * above) for some seconds after our admin has seen the final | |
2055 | * wall message. */ | |
2056 | ||
2057 | bus_manager_log_shutdown(m, target); | |
2058 | log_info("Running in dry run, suppressing action."); | |
2059 | reset_scheduled_shutdown(m); | |
2060 | ||
2061 | return 0; | |
2062 | } | |
2063 | ||
2064 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2065 | if (r < 0) { |
2066 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2067 | goto error; | |
2068 | } | |
8aaa023a DM |
2069 | |
2070 | return 0; | |
6d7f7fd4 AJ |
2071 | |
2072 | error: | |
2073 | reset_scheduled_shutdown(m); | |
2074 | return r; | |
8aaa023a DM |
2075 | } |
2076 | ||
19070062 | 2077 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2078 | Manager *m = userdata; |
4afd3348 | 2079 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2080 | const char *action_multiple_sessions = NULL; |
2081 | const char *action_ignore_inhibit = NULL; | |
2082 | const char *action = NULL; | |
2083 | uint64_t elapse; | |
2084 | char *type; | |
2085 | int r; | |
d13f5e16 | 2086 | bool dry_run = false; |
8aaa023a DM |
2087 | |
2088 | assert(m); | |
2089 | assert(message); | |
2090 | ||
2091 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2092 | if (r < 0) | |
2093 | return r; | |
2094 | ||
1389f4b9 DM |
2095 | if (startswith(type, "dry-")) { |
2096 | type += 4; | |
d13f5e16 | 2097 | dry_run = true; |
1389f4b9 DM |
2098 | } |
2099 | ||
36b69c31 LP |
2100 | if (streq(type, "poweroff")) { |
2101 | action = "org.freedesktop.login1.power-off"; | |
2102 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2103 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2104 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2105 | action = "org.freedesktop.login1.reboot"; |
2106 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2107 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2108 | } else if (streq(type, "halt")) { | |
2109 | action = "org.freedesktop.login1.halt"; | |
2110 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2111 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2112 | } else |
2113 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2114 | ||
2115 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2116 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2117 | if (r != 0) | |
2118 | return r; | |
2119 | ||
2120 | if (m->scheduled_shutdown_timeout_source) { | |
2121 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2122 | if (r < 0) | |
c2a23db0 | 2123 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2124 | |
2125 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2126 | if (r < 0) | |
c2a23db0 | 2127 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2128 | } else { |
2129 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2130 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2131 | if (r < 0) | |
c2a23db0 | 2132 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2133 | } |
2134 | ||
2135 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2136 | if (r < 0) { | |
2137 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2138 | return log_oom(); | |
2139 | } | |
2140 | ||
d13f5e16 LP |
2141 | m->shutdown_dry_run = dry_run; |
2142 | ||
867c37f6 DM |
2143 | if (m->nologin_timeout_source) { |
2144 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2145 | if (r < 0) | |
c2a23db0 | 2146 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2147 | |
2148 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2149 | if (r < 0) | |
c2a23db0 | 2150 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2151 | } else { |
2152 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2153 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2154 | if (r < 0) | |
c2a23db0 | 2155 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2156 | } |
2157 | ||
8aaa023a DM |
2158 | m->scheduled_shutdown_timeout = elapse; |
2159 | ||
e2fa5721 DM |
2160 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2161 | if (r >= 0) { | |
011062f3 | 2162 | const char *tty = NULL; |
e2fa5721 DM |
2163 | |
2164 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2165 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2166 | ||
2167 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2168 | if (r < 0) { | |
2169 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2170 | return log_oom(); | |
2171 | } | |
2172 | } | |
2173 | ||
2174 | r = manager_setup_wall_message_timer(m); | |
2175 | if (r < 0) | |
2176 | return r; | |
2177 | ||
f8169e62 AJ |
2178 | r = update_schedule_file(m); |
2179 | if (r < 0) | |
2180 | return r; | |
867c37f6 | 2181 | |
8aaa023a DM |
2182 | return sd_bus_reply_method_return(message, NULL); |
2183 | } | |
2184 | ||
19070062 | 2185 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2186 | Manager *m = userdata; |
2187 | bool cancelled; | |
2188 | ||
2189 | assert(m); | |
2190 | assert(message); | |
2191 | ||
2192 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2193 | reset_scheduled_shutdown(m); |
fb91034c | 2194 | |
e2fa5721 | 2195 | if (cancelled) { |
4afd3348 | 2196 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e2fa5721 DM |
2197 | const char *tty = NULL; |
2198 | uid_t uid = 0; | |
2199 | int r; | |
2200 | ||
2201 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2202 | if (r >= 0) { | |
2203 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2204 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2205 | } | |
2206 | ||
2207 | utmp_wall("The system shutdown has been cancelled", | |
d0260817 | 2208 | uid_to_name(uid), tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2209 | } |
2210 | ||
8aaa023a DM |
2211 | return sd_bus_reply_method_return(message, "b", cancelled); |
2212 | } | |
2213 | ||
cc377381 LP |
2214 | static int method_can_shutdown_or_sleep( |
2215 | Manager *m, | |
2216 | sd_bus_message *message, | |
2217 | InhibitWhat w, | |
2218 | const char *action, | |
2219 | const char *action_multiple_sessions, | |
2220 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2221 | const char *sleep_verb, |
2222 | sd_bus_error *error) { | |
de07ab16 | 2223 | |
4afd3348 | 2224 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2225 | bool multiple_sessions, challenge, blocked; |
2226 | const char *result = NULL; | |
2227 | uid_t uid; | |
2228 | int r; | |
de07ab16 | 2229 | |
cc377381 LP |
2230 | assert(m); |
2231 | assert(message); | |
2232 | assert(w >= 0); | |
2233 | assert(w <= _INHIBIT_WHAT_MAX); | |
2234 | assert(action); | |
2235 | assert(action_multiple_sessions); | |
2236 | assert(action_ignore_inhibit); | |
de07ab16 | 2237 | |
cc377381 LP |
2238 | if (sleep_verb) { |
2239 | r = can_sleep(sleep_verb); | |
de07ab16 | 2240 | if (r < 0) |
ebcf1f97 | 2241 | return r; |
cc377381 | 2242 | if (r == 0) |
df2d202e | 2243 | return sd_bus_reply_method_return(message, "s", "na"); |
cc377381 | 2244 | } |
de07ab16 | 2245 | |
05bae4a6 | 2246 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2247 | if (r < 0) |
2248 | return r; | |
2249 | ||
05bae4a6 | 2250 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2251 | if (r < 0) |
ebcf1f97 | 2252 | return r; |
de07ab16 | 2253 | |
cc377381 LP |
2254 | r = have_multiple_sessions(m, uid); |
2255 | if (r < 0) | |
ebcf1f97 | 2256 | return r; |
de07ab16 | 2257 | |
cc377381 | 2258 | multiple_sessions = r > 0; |
85a428c6 | 2259 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2260 | |
cc377381 | 2261 | if (multiple_sessions) { |
403ed0e5 | 2262 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2263 | if (r < 0) |
ebcf1f97 | 2264 | return r; |
bef422ae | 2265 | |
cc377381 LP |
2266 | if (r > 0) |
2267 | result = "yes"; | |
2268 | else if (challenge) | |
2269 | result = "challenge"; | |
2270 | else | |
2271 | result = "no"; | |
2272 | } | |
bef422ae | 2273 | |
cc377381 | 2274 | if (blocked) { |
403ed0e5 | 2275 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2276 | if (r < 0) |
ebcf1f97 | 2277 | return r; |
bef422ae | 2278 | |
cc377381 LP |
2279 | if (r > 0 && !result) |
2280 | result = "yes"; | |
2281 | else if (challenge && (!result || streq(result, "yes"))) | |
2282 | result = "challenge"; | |
2283 | else | |
2284 | result = "no"; | |
2285 | } | |
bef422ae | 2286 | |
cc377381 LP |
2287 | if (!multiple_sessions && !blocked) { |
2288 | /* If neither inhibit nor multiple sessions | |
2289 | * apply then just check the normal policy */ | |
bef422ae | 2290 | |
403ed0e5 | 2291 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2292 | if (r < 0) |
ebcf1f97 | 2293 | return r; |
bef422ae | 2294 | |
cc377381 LP |
2295 | if (r > 0) |
2296 | result = "yes"; | |
2297 | else if (challenge) | |
2298 | result = "challenge"; | |
2299 | else | |
2300 | result = "no"; | |
2301 | } | |
bef422ae | 2302 | |
df2d202e | 2303 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2304 | } |
bef422ae | 2305 | |
19070062 | 2306 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2307 | Manager *m = userdata; |
bef422ae | 2308 | |
cc377381 LP |
2309 | return method_can_shutdown_or_sleep( |
2310 | m, message, | |
2311 | INHIBIT_SHUTDOWN, | |
2312 | "org.freedesktop.login1.power-off", | |
2313 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2314 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2315 | NULL, |
2316 | error); | |
cc377381 | 2317 | } |
bef422ae | 2318 | |
19070062 | 2319 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2320 | Manager *m = userdata; |
bef422ae | 2321 | |
cc377381 LP |
2322 | return method_can_shutdown_or_sleep( |
2323 | m, message, | |
2324 | INHIBIT_SHUTDOWN, | |
2325 | "org.freedesktop.login1.reboot", | |
2326 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2327 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2328 | NULL, |
2329 | error); | |
cc377381 | 2330 | } |
bef422ae | 2331 | |
36b69c31 LP |
2332 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2333 | Manager *m = userdata; | |
2334 | ||
2335 | return method_can_shutdown_or_sleep( | |
2336 | m, message, | |
2337 | INHIBIT_SHUTDOWN, | |
2338 | "org.freedesktop.login1.halt", | |
2339 | "org.freedesktop.login1.halt-multiple-sessions", | |
2340 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2341 | NULL, | |
2342 | error); | |
2343 | } | |
2344 | ||
19070062 | 2345 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2346 | Manager *m = userdata; |
7f7bb946 | 2347 | |
cc377381 LP |
2348 | return method_can_shutdown_or_sleep( |
2349 | m, message, | |
2350 | INHIBIT_SLEEP, | |
2351 | "org.freedesktop.login1.suspend", | |
2352 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2353 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2354 | "suspend", |
2355 | error); | |
cc377381 | 2356 | } |
7f7bb946 | 2357 | |
19070062 | 2358 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2359 | Manager *m = userdata; |
02b16a19 | 2360 | |
cc377381 LP |
2361 | return method_can_shutdown_or_sleep( |
2362 | m, message, | |
2363 | INHIBIT_SLEEP, | |
2364 | "org.freedesktop.login1.hibernate", | |
2365 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2366 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2367 | "hibernate", |
2368 | error); | |
cc377381 | 2369 | } |
7f7bb946 | 2370 | |
19070062 | 2371 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2372 | Manager *m = userdata; |
7f7bb946 | 2373 | |
cc377381 LP |
2374 | return method_can_shutdown_or_sleep( |
2375 | m, message, | |
2376 | INHIBIT_SLEEP, | |
2377 | "org.freedesktop.login1.hibernate", | |
2378 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2379 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2380 | "hybrid-sleep", |
2381 | error); | |
cc377381 | 2382 | } |
38f3fc7d | 2383 | |
5bdf2243 JJ |
2384 | static int property_get_reboot_to_firmware_setup( |
2385 | sd_bus *bus, | |
2386 | const char *path, | |
2387 | const char *interface, | |
2388 | const char *property, | |
2389 | sd_bus_message *reply, | |
2390 | void *userdata, | |
2391 | sd_bus_error *error) { | |
2392 | int r; | |
2393 | ||
2394 | assert(bus); | |
2395 | assert(reply); | |
2396 | assert(userdata); | |
2397 | ||
2398 | r = efi_get_reboot_to_firmware(); | |
2399 | if (r < 0 && r != -EOPNOTSUPP) | |
6f302ce6 | 2400 | log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m"); |
5bdf2243 JJ |
2401 | |
2402 | return sd_bus_message_append(reply, "b", r > 0); | |
2403 | } | |
2404 | ||
2405 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2406 | sd_bus_message *message, |
2407 | void *userdata, | |
2408 | sd_bus_error *error) { | |
2409 | ||
2410 | int b, r; | |
5bdf2243 JJ |
2411 | Manager *m = userdata; |
2412 | ||
5bdf2243 JJ |
2413 | assert(message); |
2414 | assert(m); | |
2415 | ||
889f25b2 | 2416 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2417 | if (r < 0) |
2418 | return r; | |
2419 | ||
2420 | r = bus_verify_polkit_async(message, | |
2421 | CAP_SYS_ADMIN, | |
2422 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2423 | NULL, |
889f25b2 | 2424 | false, |
5bdf2243 JJ |
2425 | UID_INVALID, |
2426 | &m->polkit_registry, | |
2427 | error); | |
2428 | if (r < 0) | |
2429 | return r; | |
2430 | if (r == 0) | |
2431 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2432 | ||
2433 | r = efi_set_reboot_to_firmware(b); | |
2434 | if (r < 0) | |
2435 | return r; | |
2436 | ||
2437 | return sd_bus_reply_method_return(message, NULL); | |
2438 | } | |
2439 | ||
2440 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2441 | sd_bus_message *message, |
2442 | void *userdata, | |
2443 | sd_bus_error *error) { | |
2444 | ||
2445 | int r; | |
2446 | bool challenge; | |
2447 | const char *result; | |
2448 | Manager *m = userdata; | |
2449 | ||
5bdf2243 JJ |
2450 | assert(message); |
2451 | assert(m); | |
2452 | ||
2453 | r = efi_reboot_to_firmware_supported(); | |
6f302ce6 LP |
2454 | if (r < 0) { |
2455 | if (r != -EOPNOTSUPP) | |
2456 | log_warning_errno(errno, "Failed to determine whether reboot to firmware is supported: %m"); | |
2457 | ||
5bdf2243 | 2458 | return sd_bus_reply_method_return(message, "s", "na"); |
6f302ce6 | 2459 | } |
5bdf2243 JJ |
2460 | |
2461 | r = bus_test_polkit(message, | |
2462 | CAP_SYS_ADMIN, | |
2463 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2464 | NULL, |
5bdf2243 JJ |
2465 | UID_INVALID, |
2466 | &challenge, | |
2467 | error); | |
2468 | if (r < 0) | |
2469 | return r; | |
2470 | ||
2471 | if (r > 0) | |
2472 | result = "yes"; | |
2473 | else if (challenge) | |
2474 | result = "challenge"; | |
2475 | else | |
2476 | result = "no"; | |
2477 | ||
2478 | return sd_bus_reply_method_return(message, "s", result); | |
2479 | } | |
2480 | ||
9ef15026 JS |
2481 | static int method_set_wall_message( |
2482 | sd_bus_message *message, | |
2483 | void *userdata, | |
2484 | sd_bus_error *error) { | |
2485 | ||
2486 | int r; | |
2487 | Manager *m = userdata; | |
2488 | char *wall_message; | |
2cf088b5 | 2489 | int enable_wall_messages; |
9ef15026 JS |
2490 | |
2491 | assert(message); | |
2492 | assert(m); | |
2493 | ||
2494 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2495 | if (r < 0) | |
2496 | return r; | |
2497 | ||
2498 | r = bus_verify_polkit_async(message, | |
2499 | CAP_SYS_ADMIN, | |
2500 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2501 | NULL, |
9ef15026 JS |
2502 | false, |
2503 | UID_INVALID, | |
2504 | &m->polkit_registry, | |
2505 | error); | |
9ef15026 JS |
2506 | if (r < 0) |
2507 | return r; | |
2508 | if (r == 0) | |
2509 | return 1; /* Will call us back */ | |
2510 | ||
28a9ec44 ZJS |
2511 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
2512 | if (r < 0) | |
2513 | return log_oom(); | |
5744f59a | 2514 | |
9ef15026 JS |
2515 | m->enable_wall_messages = enable_wall_messages; |
2516 | ||
2517 | return sd_bus_reply_method_return(message, NULL); | |
2518 | } | |
2519 | ||
19070062 | 2520 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 2521 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2522 | const char *who, *why, *what, *mode; |
2523 | _cleanup_free_ char *id = NULL; | |
2524 | _cleanup_close_ int fifo_fd = -1; | |
2525 | Manager *m = userdata; | |
2526 | Inhibitor *i = NULL; | |
2527 | InhibitMode mm; | |
2528 | InhibitWhat w; | |
2529 | pid_t pid; | |
2530 | uid_t uid; | |
2531 | int r; | |
7f7bb946 | 2532 | |
cc377381 LP |
2533 | assert(message); |
2534 | assert(m); | |
38f3fc7d | 2535 | |
cc377381 LP |
2536 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
2537 | if (r < 0) | |
ebcf1f97 | 2538 | return r; |
38f3fc7d | 2539 | |
cc377381 LP |
2540 | w = inhibit_what_from_string(what); |
2541 | if (w <= 0) | |
ebcf1f97 | 2542 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 2543 | |
cc377381 LP |
2544 | mm = inhibit_mode_from_string(mode); |
2545 | if (mm < 0) | |
ebcf1f97 | 2546 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 2547 | |
cc377381 LP |
2548 | /* Delay is only supported for shutdown/sleep */ |
2549 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 2550 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 2551 | |
cc377381 LP |
2552 | /* Don't allow taking delay locks while we are already |
2553 | * executing the operation. We shouldn't create the impression | |
2554 | * that the lock was successful if the machine is about to go | |
2555 | * down/suspend any moment. */ | |
2556 | if (m->action_what & w) | |
ebcf1f97 | 2557 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 2558 | |
c529695e LP |
2559 | r = bus_verify_polkit_async( |
2560 | message, | |
2561 | CAP_SYS_BOOT, | |
2562 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
2563 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
2564 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
2565 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
2566 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
2567 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
2568 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 2569 | NULL, |
c529695e LP |
2570 | false, |
2571 | UID_INVALID, | |
2572 | &m->polkit_registry, | |
2573 | error); | |
cc377381 | 2574 | if (r < 0) |
ebcf1f97 | 2575 | return r; |
cc377381 LP |
2576 | if (r == 0) |
2577 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 2578 | |
05bae4a6 | 2579 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
2580 | if (r < 0) |
2581 | return r; | |
2582 | ||
05bae4a6 | 2583 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2584 | if (r < 0) |
ebcf1f97 | 2585 | return r; |
7f7bb946 | 2586 | |
5b12334d | 2587 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 2588 | if (r < 0) |
ebcf1f97 | 2589 | return r; |
47a26690 | 2590 | |
c5a11ae2 LP |
2591 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
2592 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
2593 | ||
cc377381 | 2594 | do { |
97b11eed | 2595 | id = mfree(id); |
47a26690 | 2596 | |
cc377381 | 2597 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 2598 | return -ENOMEM; |
47a26690 | 2599 | |
cc377381 | 2600 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 2601 | |
cc377381 LP |
2602 | r = manager_add_inhibitor(m, id, &i); |
2603 | if (r < 0) | |
ebcf1f97 | 2604 | return r; |
47a26690 | 2605 | |
cc377381 LP |
2606 | i->what = w; |
2607 | i->mode = mm; | |
2608 | i->pid = pid; | |
2609 | i->uid = uid; | |
2610 | i->why = strdup(why); | |
2611 | i->who = strdup(who); | |
7f7bb946 | 2612 | |
cc377381 | 2613 | if (!i->why || !i->who) { |
ebcf1f97 | 2614 | r = -ENOMEM; |
cc377381 LP |
2615 | goto fail; |
2616 | } | |
b668e064 | 2617 | |
cc377381 LP |
2618 | fifo_fd = inhibitor_create_fifo(i); |
2619 | if (fifo_fd < 0) { | |
ebcf1f97 | 2620 | r = fifo_fd; |
cc377381 LP |
2621 | goto fail; |
2622 | } | |
b668e064 | 2623 | |
cc377381 | 2624 | inhibitor_start(i); |
b668e064 | 2625 | |
df2d202e | 2626 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 2627 | |
cc377381 LP |
2628 | fail: |
2629 | if (i) | |
2630 | inhibitor_free(i); | |
89f13440 | 2631 | |
cc377381 LP |
2632 | return r; |
2633 | } | |
3f49d45a | 2634 | |
cc377381 LP |
2635 | const sd_bus_vtable manager_vtable[] = { |
2636 | SD_BUS_VTABLE_START(0), | |
2637 | ||
e2fa5721 DM |
2638 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
2639 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
2640 | ||
556089dc LP |
2641 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
2642 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2643 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2644 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
5bdf2243 | 2645 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 LP |
2646 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
2647 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2648 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2649 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2650 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
2651 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2652 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2653 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2654 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2655 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
3c56cab4 | 2656 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 2657 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2658 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
2659 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
2660 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
2661 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 2662 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 2663 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
6d97d3c6 LP |
2664 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
2665 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), | |
c5a11ae2 LP |
2666 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2667 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0), | |
183e0738 LP |
2668 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2669 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0), | |
6d97d3c6 | 2670 | SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 | 2671 | |
adacb957 LP |
2672 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2673 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2674 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2675 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2676 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
2677 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2678 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
2679 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
2680 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 2681 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 2682 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
2683 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2684 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
2685 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2686 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2687 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2688 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2689 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2690 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2691 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2692 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2693 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
2694 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
2695 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
2696 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
2697 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2698 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2699 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2700 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2701 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2702 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
2703 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2704 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2705 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2706 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2707 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2708 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
559b5cc2 LP |
2709 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
2710 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 2711 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 2712 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 2713 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
9ef15026 | 2714 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
2715 | |
2716 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
2717 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
2718 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
2719 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
2720 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
2721 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
2722 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
2723 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
2724 | ||
2725 | SD_BUS_VTABLE_END | |
2726 | }; | |
3f49d45a | 2727 | |
99e7e392 DH |
2728 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
2729 | int r = 0; | |
2730 | ||
2731 | assert(s); | |
2732 | assert(unit); | |
2733 | ||
2734 | if (!s->started) | |
2735 | return r; | |
2736 | ||
2737 | if (streq(result, "done")) | |
2738 | r = session_send_create_reply(s, NULL); | |
2739 | else { | |
4afd3348 | 2740 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 DH |
2741 | |
2742 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); | |
2743 | r = session_send_create_reply(s, &e); | |
2744 | } | |
2745 | ||
2746 | return r; | |
2747 | } | |
2748 | ||
19070062 | 2749 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2750 | const char *path, *result, *unit; |
2751 | Manager *m = userdata; | |
2752 | Session *session; | |
2753 | uint32_t id; | |
2754 | User *user; | |
2755 | int r; | |
3f49d45a | 2756 | |
cc377381 LP |
2757 | assert(message); |
2758 | assert(m); | |
3f49d45a | 2759 | |
cc377381 LP |
2760 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
2761 | if (r < 0) { | |
ebcf1f97 | 2762 | bus_log_parse_error(r); |
65d73cf0 | 2763 | return 0; |
cc377381 | 2764 | } |
3f49d45a | 2765 | |
cc377381 | 2766 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 2767 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 2768 | |
cc377381 | 2769 | /* Tell people that they now may take a lock again */ |
401e33ed | 2770 | (void) send_prepare_for(m, m->action_what, false); |
3f49d45a | 2771 | |
491ac9f2 | 2772 | m->action_job = mfree(m->action_job); |
cc377381 LP |
2773 | m->action_unit = NULL; |
2774 | m->action_what = 0; | |
2775 | return 0; | |
2776 | } | |
3f49d45a | 2777 | |
cc377381 | 2778 | session = hashmap_get(m->session_units, unit); |
2f157acd DH |
2779 | if (session && streq_ptr(path, session->scope_job)) { |
2780 | session->scope_job = mfree(session->scope_job); | |
99e7e392 | 2781 | session_jobs_reply(session, unit, result); |
3f49d45a | 2782 | |
99e7e392 | 2783 | session_save(session); |
41dfeaa1 | 2784 | user_save(session->user); |
cc377381 LP |
2785 | session_add_to_gc_queue(session); |
2786 | } | |
3f49d45a | 2787 | |
cc377381 | 2788 | user = hashmap_get(m->user_units, unit); |
2f157acd DH |
2789 | if (user && |
2790 | (streq_ptr(path, user->service_job) || | |
2791 | streq_ptr(path, user->slice_job))) { | |
3f49d45a | 2792 | |
491ac9f2 LP |
2793 | if (streq_ptr(path, user->service_job)) |
2794 | user->service_job = mfree(user->service_job); | |
3f49d45a | 2795 | |
491ac9f2 LP |
2796 | if (streq_ptr(path, user->slice_job)) |
2797 | user->slice_job = mfree(user->slice_job); | |
3f49d45a | 2798 | |
491ac9f2 | 2799 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
99e7e392 | 2800 | session_jobs_reply(session, unit, result); |
dd9b67aa | 2801 | |
cc377381 LP |
2802 | user_save(user); |
2803 | user_add_to_gc_queue(user); | |
3f49d45a LP |
2804 | } |
2805 | ||
cc377381 | 2806 | return 0; |
3f49d45a LP |
2807 | } |
2808 | ||
19070062 | 2809 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2810 | const char *path, *unit; |
1713813d | 2811 | Manager *m = userdata; |
cc377381 LP |
2812 | Session *session; |
2813 | User *user; | |
2814 | int r; | |
1713813d | 2815 | |
1713813d | 2816 | assert(message); |
cc377381 | 2817 | assert(m); |
1713813d | 2818 | |
cc377381 LP |
2819 | r = sd_bus_message_read(message, "so", &unit, &path); |
2820 | if (r < 0) { | |
ebcf1f97 | 2821 | bus_log_parse_error(r); |
65d73cf0 | 2822 | return 0; |
cc377381 | 2823 | } |
fb6becb4 | 2824 | |
cc377381 LP |
2825 | session = hashmap_get(m->session_units, unit); |
2826 | if (session) | |
2827 | session_add_to_gc_queue(session); | |
fb6becb4 | 2828 | |
cc377381 LP |
2829 | user = hashmap_get(m->user_units, unit); |
2830 | if (user) | |
2831 | user_add_to_gc_queue(user); | |
fb6becb4 | 2832 | |
cc377381 LP |
2833 | return 0; |
2834 | } | |
fb6becb4 | 2835 | |
19070062 | 2836 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2837 | _cleanup_free_ char *unit = NULL; |
2838 | Manager *m = userdata; | |
2839 | const char *path; | |
2840 | Session *session; | |
2841 | User *user; | |
ebcf1f97 | 2842 | int r; |
fb6becb4 | 2843 | |
cc377381 LP |
2844 | assert(message); |
2845 | assert(m); | |
fb6becb4 | 2846 | |
cc377381 LP |
2847 | path = sd_bus_message_get_path(message); |
2848 | if (!path) | |
2849 | return 0; | |
fb6becb4 | 2850 | |
ebcf1f97 | 2851 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
2852 | if (r == -EINVAL) /* not a unit */ |
2853 | return 0; | |
65d73cf0 LP |
2854 | if (r < 0) { |
2855 | log_oom(); | |
2856 | return 0; | |
2857 | } | |
fb6becb4 | 2858 | |
cc377381 LP |
2859 | session = hashmap_get(m->session_units, unit); |
2860 | if (session) | |
2861 | session_add_to_gc_queue(session); | |
fb6becb4 | 2862 | |
cc377381 LP |
2863 | user = hashmap_get(m->user_units, unit); |
2864 | if (user) | |
2865 | user_add_to_gc_queue(user); | |
fb6becb4 | 2866 | |
cc377381 LP |
2867 | return 0; |
2868 | } | |
6fa48533 | 2869 | |
19070062 | 2870 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2871 | Manager *m = userdata; |
2872 | Session *session; | |
2873 | Iterator i; | |
2874 | int b, r; | |
943aca8e | 2875 | |
19070062 LP |
2876 | assert(message); |
2877 | assert(m); | |
943aca8e | 2878 | |
cc377381 LP |
2879 | r = sd_bus_message_read(message, "b", &b); |
2880 | if (r < 0) { | |
ebcf1f97 | 2881 | bus_log_parse_error(r); |
65d73cf0 | 2882 | return 0; |
cc377381 | 2883 | } |
943aca8e | 2884 | |
cc377381 LP |
2885 | if (b) |
2886 | return 0; | |
943aca8e | 2887 | |
cc377381 LP |
2888 | /* systemd finished reloading, let's recheck all our sessions */ |
2889 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2890 | |
cc377381 LP |
2891 | HASHMAP_FOREACH(session, m->sessions, i) |
2892 | session_add_to_gc_queue(session); | |
6797c324 | 2893 | |
cc377381 LP |
2894 | return 0; |
2895 | } | |
943aca8e | 2896 | |
cc377381 LP |
2897 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2898 | char **l; | |
9418f147 LP |
2899 | |
2900 | assert(manager); | |
2901 | ||
cc377381 | 2902 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2903 | |
cc377381 LP |
2904 | return sd_bus_emit_properties_changed_strv( |
2905 | manager->bus, | |
2906 | "/org/freedesktop/login1", | |
2907 | "org.freedesktop.login1.Manager", | |
2908 | l); | |
9418f147 | 2909 | } |
eecd1362 | 2910 | |
2adae5ac ZJS |
2911 | static int strdup_job(sd_bus_message *reply, char **job) { |
2912 | const char *j; | |
2913 | char *copy; | |
2914 | int r; | |
2915 | ||
2916 | r = sd_bus_message_read(reply, "o", &j); | |
2917 | if (r < 0) | |
2918 | return r; | |
2919 | ||
2920 | copy = strdup(j); | |
2921 | if (!copy) | |
2922 | return -ENOMEM; | |
2923 | ||
2924 | *job = copy; | |
2925 | return 1; | |
2926 | } | |
2927 | ||
90558f31 LP |
2928 | int manager_start_slice( |
2929 | Manager *manager, | |
2930 | const char *slice, | |
2931 | const char *description, | |
2932 | const char *after, | |
2933 | const char *after2, | |
2934 | uint64_t tasks_max, | |
2935 | sd_bus_error *error, | |
2936 | char **job) { | |
2937 | ||
4afd3348 | 2938 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
90558f31 LP |
2939 | int r; |
2940 | ||
2941 | assert(manager); | |
2942 | assert(slice); | |
2adae5ac | 2943 | assert(job); |
90558f31 LP |
2944 | |
2945 | r = sd_bus_message_new_method_call( | |
2946 | manager->bus, | |
2947 | &m, | |
2948 | "org.freedesktop.systemd1", | |
2949 | "/org/freedesktop/systemd1", | |
2950 | "org.freedesktop.systemd1.Manager", | |
2951 | "StartTransientUnit"); | |
2952 | if (r < 0) | |
2953 | return r; | |
2954 | ||
2955 | r = sd_bus_message_append(m, "ss", strempty(slice), "fail"); | |
2956 | if (r < 0) | |
2957 | return r; | |
2958 | ||
2959 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
2960 | if (r < 0) | |
2961 | return r; | |
2962 | ||
2963 | if (!isempty(description)) { | |
2964 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); | |
2965 | if (r < 0) | |
2966 | return r; | |
2967 | } | |
2968 | ||
2969 | if (!isempty(after)) { | |
2970 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); | |
2971 | if (r < 0) | |
2972 | return r; | |
2973 | } | |
2974 | ||
2975 | if (!isempty(after2)) { | |
2976 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
2977 | if (r < 0) | |
2978 | return r; | |
2979 | } | |
2980 | ||
2981 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); | |
2982 | if (r < 0) | |
2983 | return r; | |
2984 | ||
2985 | r = sd_bus_message_close_container(m); | |
2986 | if (r < 0) | |
2987 | return r; | |
2988 | ||
2989 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
2990 | if (r < 0) | |
2991 | return r; | |
2992 | ||
2993 | r = sd_bus_call(manager->bus, m, 0, error, &reply); | |
2994 | if (r < 0) | |
2995 | return r; | |
2996 | ||
2adae5ac | 2997 | return strdup_job(reply, job); |
90558f31 LP |
2998 | } |
2999 | ||
fb6becb4 LP |
3000 | int manager_start_scope( |
3001 | Manager *manager, | |
3002 | const char *scope, | |
3003 | pid_t pid, | |
3004 | const char *slice, | |
3005 | const char *description, | |
90558f31 LP |
3006 | const char *after, |
3007 | const char *after2, | |
3008 | uint64_t tasks_max, | |
cc377381 | 3009 | sd_bus_error *error, |
fb6becb4 LP |
3010 | char **job) { |
3011 | ||
4afd3348 | 3012 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
cc377381 | 3013 | int r; |
fb6becb4 LP |
3014 | |
3015 | assert(manager); | |
3016 | assert(scope); | |
3017 | assert(pid > 1); | |
2adae5ac | 3018 | assert(job); |
fb6becb4 | 3019 | |
cc377381 LP |
3020 | r = sd_bus_message_new_method_call( |
3021 | manager->bus, | |
151b9b96 | 3022 | &m, |
fb6becb4 LP |
3023 | "org.freedesktop.systemd1", |
3024 | "/org/freedesktop/systemd1", | |
3025 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 3026 | "StartTransientUnit"); |
cc377381 LP |
3027 | if (r < 0) |
3028 | return r; | |
fb6becb4 | 3029 | |
cc377381 LP |
3030 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
3031 | if (r < 0) | |
3032 | return r; | |
fb6becb4 | 3033 | |
cc377381 LP |
3034 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
3035 | if (r < 0) | |
3036 | return r; | |
fb6becb4 LP |
3037 | |
3038 | if (!isempty(slice)) { | |
cc377381 LP |
3039 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
3040 | if (r < 0) | |
3041 | return r; | |
fb6becb4 LP |
3042 | } |
3043 | ||
3044 | if (!isempty(description)) { | |
cc377381 LP |
3045 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
3046 | if (r < 0) | |
3047 | return r; | |
fb6becb4 LP |
3048 | } |
3049 | ||
ba4c5d93 | 3050 | if (!isempty(after)) { |
cc377381 LP |
3051 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); |
3052 | if (r < 0) | |
3053 | return r; | |
7fb3ee51 LP |
3054 | } |
3055 | ||
ba4c5d93 LP |
3056 | if (!isempty(after2)) { |
3057 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
3058 | if (r < 0) | |
3059 | return r; | |
3060 | } | |
3061 | ||
fb6becb4 LP |
3062 | /* cgroup empty notification is not available in containers |
3063 | * currently. To make this less problematic, let's shorten the | |
3064 | * stop timeout for sessions, so that we don't wait | |
3065 | * forever. */ | |
3066 | ||
743e8945 LP |
3067 | /* Make sure that the session shells are terminated with |
3068 | * SIGHUP since bash and friends tend to ignore SIGTERM */ | |
cc377381 LP |
3069 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3070 | if (r < 0) | |
3071 | return r; | |
3072 | ||
3073 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3074 | if (r < 0) | |
3075 | return r; | |
3076 | ||
90558f31 LP |
3077 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); |
3078 | if (r < 0) | |
3079 | return r; | |
3080 | ||
cc377381 LP |
3081 | r = sd_bus_message_close_container(m); |
3082 | if (r < 0) | |
3083 | return r; | |
86b8d289 LP |
3084 | |
3085 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3086 | if (r < 0) | |
3087 | return r; | |
cc377381 | 3088 | |
c49b30a2 | 3089 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3090 | if (r < 0) |
3091 | return r; | |
fb6becb4 | 3092 | |
2adae5ac | 3093 | return strdup_job(reply, job); |
fb6becb4 LP |
3094 | } |
3095 | ||
cc377381 | 3096 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3097 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3098 | int r; |
3099 | ||
3100 | assert(manager); | |
3101 | assert(unit); | |
2adae5ac | 3102 | assert(job); |
fb6becb4 | 3103 | |
cc377381 | 3104 | r = sd_bus_call_method( |
fb6becb4 LP |
3105 | manager->bus, |
3106 | "org.freedesktop.systemd1", | |
3107 | "/org/freedesktop/systemd1", | |
3108 | "org.freedesktop.systemd1.Manager", | |
3109 | "StartUnit", | |
fb6becb4 | 3110 | error, |
cc377381 | 3111 | &reply, |
79ee4ad1 | 3112 | "ss", unit, "replace"); |
cc377381 | 3113 | if (r < 0) |
fb6becb4 | 3114 | return r; |
fb6becb4 | 3115 | |
2adae5ac | 3116 | return strdup_job(reply, job); |
fb6becb4 LP |
3117 | } |
3118 | ||
cc377381 | 3119 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3120 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3121 | int r; |
3122 | ||
3123 | assert(manager); | |
3124 | assert(unit); | |
2adae5ac | 3125 | assert(job); |
fb6becb4 | 3126 | |
cc377381 | 3127 | r = sd_bus_call_method( |
fb6becb4 LP |
3128 | manager->bus, |
3129 | "org.freedesktop.systemd1", | |
3130 | "/org/freedesktop/systemd1", | |
3131 | "org.freedesktop.systemd1.Manager", | |
3132 | "StopUnit", | |
fb6becb4 | 3133 | error, |
cc377381 LP |
3134 | &reply, |
3135 | "ss", unit, "fail"); | |
fb6becb4 | 3136 | if (r < 0) { |
cc377381 LP |
3137 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3138 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3139 | |
2adae5ac | 3140 | *job = NULL; |
cc377381 | 3141 | sd_bus_error_free(error); |
6797c324 LP |
3142 | return 0; |
3143 | } | |
3144 | ||
fb6becb4 LP |
3145 | return r; |
3146 | } | |
3147 | ||
2adae5ac | 3148 | return strdup_job(reply, job); |
fb6becb4 LP |
3149 | } |
3150 | ||
5f41d1f1 | 3151 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) { |
5f41d1f1 LP |
3152 | _cleanup_free_ char *path = NULL; |
3153 | int r; | |
3154 | ||
3155 | assert(manager); | |
3156 | assert(scope); | |
3157 | ||
3158 | path = unit_dbus_path_from_name(scope); | |
3159 | if (!path) | |
3160 | return -ENOMEM; | |
3161 | ||
3162 | r = sd_bus_call_method( | |
3163 | manager->bus, | |
3164 | "org.freedesktop.systemd1", | |
3165 | path, | |
3166 | "org.freedesktop.systemd1.Scope", | |
3167 | "Abandon", | |
3168 | error, | |
3169 | NULL, | |
3170 | NULL); | |
3171 | if (r < 0) { | |
3172 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || | |
4e2f8d27 LP |
3173 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) || |
3174 | sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) { | |
5f41d1f1 LP |
3175 | sd_bus_error_free(error); |
3176 | return 0; | |
3177 | } | |
3178 | ||
3179 | return r; | |
3180 | } | |
3181 | ||
3182 | return 1; | |
3183 | } | |
3184 | ||
cc377381 | 3185 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3186 | assert(manager); |
3187 | assert(unit); | |
3188 | ||
cc377381 | 3189 | return sd_bus_call_method( |
fb6becb4 LP |
3190 | manager->bus, |
3191 | "org.freedesktop.systemd1", | |
3192 | "/org/freedesktop/systemd1", | |
3193 | "org.freedesktop.systemd1.Manager", | |
3194 | "KillUnit", | |
fb6becb4 | 3195 | error, |
cc377381 LP |
3196 | NULL, |
3197 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3198 | } |
3199 | ||
3200 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
3201 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3202 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3203 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3204 | const char *state; |
fb6becb4 LP |
3205 | int r; |
3206 | ||
3207 | assert(manager); | |
3208 | assert(unit); | |
3209 | ||
fb6becb4 LP |
3210 | path = unit_dbus_path_from_name(unit); |
3211 | if (!path) | |
3212 | return -ENOMEM; | |
3213 | ||
cc377381 | 3214 | r = sd_bus_get_property( |
fb6becb4 LP |
3215 | manager->bus, |
3216 | "org.freedesktop.systemd1", | |
3217 | path, | |
cc377381 LP |
3218 | "org.freedesktop.systemd1.Unit", |
3219 | "ActiveState", | |
fb6becb4 | 3220 | &error, |
cc377381 LP |
3221 | &reply, |
3222 | "s"); | |
fb6becb4 | 3223 | if (r < 0) { |
cc377381 LP |
3224 | /* systemd might have droppped off momentarily, let's |
3225 | * not make this an error */ | |
3226 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3227 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3228 | return true; |
6797c324 | 3229 | |
cc377381 LP |
3230 | /* If the unit is already unloaded then it's not |
3231 | * active */ | |
3232 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3233 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3234 | return false; |
6797c324 | 3235 | |
fb6becb4 LP |
3236 | return r; |
3237 | } | |
3238 | ||
cc377381 LP |
3239 | r = sd_bus_message_read(reply, "s", &state); |
3240 | if (r < 0) | |
fb6becb4 | 3241 | return -EINVAL; |
fb6becb4 | 3242 | |
cc377381 LP |
3243 | return !streq(state, "inactive") && !streq(state, "failed"); |
3244 | } | |
3245 | ||
3246 | int manager_job_is_active(Manager *manager, const char *path) { | |
4afd3348 LP |
3247 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3248 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3249 | int r; |
3250 | ||
3251 | assert(manager); | |
3252 | assert(path); | |
3253 | ||
3254 | r = sd_bus_get_property( | |
3255 | manager->bus, | |
3256 | "org.freedesktop.systemd1", | |
3257 | path, | |
3258 | "org.freedesktop.systemd1.Job", | |
3259 | "State", | |
3260 | &error, | |
3261 | &reply, | |
3262 | "s"); | |
3263 | if (r < 0) { | |
3264 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3265 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3266 | return true; | |
3267 | ||
3268 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3269 | return false; | |
3270 | ||
3271 | return r; | |
fb6becb4 LP |
3272 | } |
3273 | ||
cc377381 LP |
3274 | /* We don't actually care about the state really. The fact |
3275 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3276 | |
cc377381 | 3277 | return true; |
fb6becb4 | 3278 | } |