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3f49d45a LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
3f49d45a LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
3f49d45a | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
a185c5aa | 20 | #include <errno.h> |
4f5dd394 | 21 | #include <pwd.h> |
a185c5aa | 22 | #include <string.h> |
98a28fef | 23 | #include <unistd.h> |
a185c5aa | 24 | |
cc377381 | 25 | #include "sd-messages.h" |
4f5dd394 | 26 | |
b5efdb8a | 27 | #include "alloc-util.h" |
430f0182 | 28 | #include "audit-util.h" |
96aad8d1 | 29 | #include "bus-common-errors.h" |
4f5dd394 LP |
30 | #include "bus-error.h" |
31 | #include "bus-util.h" | |
a0956174 | 32 | #include "dirent-util.h" |
5bdf2243 | 33 | #include "efivars.h" |
4f5dd394 | 34 | #include "escape.h" |
3ffd4af2 | 35 | #include "fd-util.h" |
4f5dd394 | 36 | #include "fileio-label.h" |
f97b34a6 | 37 | #include "format-util.h" |
f4f15635 | 38 | #include "fs-util.h" |
4f5dd394 LP |
39 | #include "logind.h" |
40 | #include "mkdir.h" | |
41 | #include "path-util.h" | |
0b452006 | 42 | #include "process-util.h" |
4f5dd394 LP |
43 | #include "selinux-util.h" |
44 | #include "sleep-config.h" | |
45 | #include "special.h" | |
46 | #include "strv.h" | |
288a74cc | 47 | #include "terminal-util.h" |
4f5dd394 LP |
48 | #include "udev-util.h" |
49 | #include "unit-name.h" | |
b1d4f8e1 | 50 | #include "user-util.h" |
e2fa5721 | 51 | #include "utmp-wtmp.h" |
3f49d45a | 52 | |
309a29df | 53 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { |
4afd3348 | 54 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
309a29df LP |
55 | Session *session; |
56 | int r; | |
57 | ||
58 | assert(m); | |
59 | assert(message); | |
60 | assert(ret); | |
61 | ||
62 | if (isempty(name)) { | |
63 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); | |
64 | if (r < 0) | |
65 | return r; | |
66 | ||
67 | r = sd_bus_creds_get_session(creds, &name); | |
cf82fda9 ZJS |
68 | if (r == -ENXIO) |
69 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
70 | "Caller does not belong to any known session"); | |
309a29df LP |
71 | if (r < 0) |
72 | return r; | |
73 | } | |
74 | ||
75 | session = hashmap_get(m->sessions, name); | |
76 | if (!session) | |
77 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
78 | ||
79 | *ret = session; | |
80 | return 0; | |
81 | } | |
82 | ||
83 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
84 | User *user; | |
85 | int r; | |
86 | ||
87 | assert(m); | |
88 | assert(message); | |
89 | assert(ret); | |
90 | ||
cad93f29 | 91 | if (!uid_is_valid(uid)) { |
4afd3348 | 92 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
309a29df LP |
93 | |
94 | /* Note that we get the owner UID of the session, not the actual client UID here! */ | |
95 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
96 | if (r < 0) | |
97 | return r; | |
98 | ||
99 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
100 | if (r < 0) | |
101 | return r; | |
102 | } | |
103 | ||
8cb4ab00 | 104 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df LP |
105 | if (!user) |
106 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid); | |
107 | ||
108 | *ret = user; | |
109 | return 0; | |
110 | } | |
111 | ||
112 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
113 | Seat *seat; | |
114 | int r; | |
115 | ||
116 | assert(m); | |
117 | assert(message); | |
118 | assert(ret); | |
119 | ||
120 | if (isempty(name)) { | |
121 | Session *session; | |
122 | ||
123 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
124 | if (r < 0) | |
125 | return r; | |
126 | ||
127 | seat = session->seat; | |
309a29df LP |
128 | if (!seat) |
129 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
130 | } else { | |
131 | seat = hashmap_get(m->seats, name); | |
132 | if (!seat) | |
133 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
134 | } | |
135 | ||
136 | *ret = seat; | |
137 | return 0; | |
138 | } | |
139 | ||
cc377381 LP |
140 | static int property_get_idle_hint( |
141 | sd_bus *bus, | |
142 | const char *path, | |
143 | const char *interface, | |
144 | const char *property, | |
145 | sd_bus_message *reply, | |
ebcf1f97 LP |
146 | void *userdata, |
147 | sd_bus_error *error) { | |
a185c5aa | 148 | |
cc377381 | 149 | Manager *m = userdata; |
a185c5aa | 150 | |
cc377381 LP |
151 | assert(bus); |
152 | assert(reply); | |
153 | assert(m); | |
154 | ||
155 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
156 | } |
157 | ||
cc377381 LP |
158 | static int property_get_idle_since_hint( |
159 | sd_bus *bus, | |
160 | const char *path, | |
161 | const char *interface, | |
162 | const char *property, | |
163 | sd_bus_message *reply, | |
ebcf1f97 LP |
164 | void *userdata, |
165 | sd_bus_error *error) { | |
cc377381 LP |
166 | |
167 | Manager *m = userdata; | |
5cb14b37 | 168 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 169 | |
cc377381 LP |
170 | assert(bus); |
171 | assert(reply); | |
a185c5aa LP |
172 | assert(m); |
173 | ||
174 | manager_get_idle_hint(m, &t); | |
a185c5aa | 175 | |
cc377381 | 176 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
177 | } |
178 | ||
cc377381 LP |
179 | static int property_get_inhibited( |
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) { | |
cc377381 LP |
187 | |
188 | Manager *m = userdata; | |
f8e2fb7b | 189 | InhibitWhat w; |
f8e2fb7b | 190 | |
cc377381 LP |
191 | assert(bus); |
192 | assert(reply); | |
193 | assert(m); | |
f8e2fb7b | 194 | |
cc377381 | 195 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 196 | |
cc377381 | 197 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
198 | } |
199 | ||
cc377381 LP |
200 | static int property_get_preparing( |
201 | sd_bus *bus, | |
202 | const char *path, | |
203 | const char *interface, | |
204 | const char *property, | |
205 | sd_bus_message *reply, | |
ebcf1f97 LP |
206 | void *userdata, |
207 | sd_bus_error *error) { | |
cc377381 LP |
208 | |
209 | Manager *m = userdata; | |
210 | bool b; | |
5e4a79da | 211 | |
cc377381 LP |
212 | assert(bus); |
213 | assert(reply); | |
214 | assert(m); | |
5e4a79da LP |
215 | |
216 | if (streq(property, "PreparingForShutdown")) | |
314b4b0a | 217 | b = !!(m->action_what & INHIBIT_SHUTDOWN); |
5e4a79da | 218 | else |
314b4b0a | 219 | b = !!(m->action_what & INHIBIT_SLEEP); |
5e4a79da | 220 | |
cc377381 | 221 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
222 | } |
223 | ||
8aaa023a DM |
224 | static int property_get_scheduled_shutdown( |
225 | sd_bus *bus, | |
226 | const char *path, | |
227 | const char *interface, | |
228 | const char *property, | |
229 | sd_bus_message *reply, | |
230 | void *userdata, | |
231 | sd_bus_error *error) { | |
232 | ||
233 | Manager *m = userdata; | |
234 | int r; | |
235 | ||
236 | assert(bus); | |
237 | assert(reply); | |
238 | assert(m); | |
239 | ||
240 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
241 | if (r < 0) | |
242 | return r; | |
243 | ||
244 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
245 | if (r < 0) | |
246 | return r; | |
247 | ||
248 | return sd_bus_message_close_container(reply); | |
249 | } | |
250 | ||
cc377381 | 251 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
fb6becb4 | 252 | |
14856079 LP |
253 | static int property_get_docked( |
254 | sd_bus *bus, | |
255 | const char *path, | |
256 | const char *interface, | |
257 | const char *property, | |
258 | sd_bus_message *reply, | |
259 | void *userdata, | |
260 | sd_bus_error *error) { | |
261 | ||
262 | Manager *m = userdata; | |
263 | ||
264 | assert(bus); | |
265 | assert(reply); | |
266 | assert(m); | |
267 | ||
602a41c2 | 268 | return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m)); |
14856079 LP |
269 | } |
270 | ||
183e0738 LP |
271 | static int property_get_current_sessions( |
272 | sd_bus *bus, | |
273 | const char *path, | |
274 | const char *interface, | |
275 | const char *property, | |
276 | sd_bus_message *reply, | |
277 | void *userdata, | |
278 | sd_bus_error *error) { | |
279 | ||
280 | Manager *m = userdata; | |
281 | ||
282 | assert(bus); | |
283 | assert(reply); | |
284 | assert(m); | |
285 | ||
286 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions)); | |
287 | } | |
288 | ||
c5a11ae2 LP |
289 | static int property_get_current_inhibitors( |
290 | sd_bus *bus, | |
291 | const char *path, | |
292 | const char *interface, | |
293 | const char *property, | |
294 | sd_bus_message *reply, | |
295 | void *userdata, | |
296 | sd_bus_error *error) { | |
297 | ||
298 | Manager *m = userdata; | |
299 | ||
300 | assert(bus); | |
301 | assert(reply); | |
302 | assert(m); | |
303 | ||
304 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors)); | |
305 | } | |
306 | ||
19070062 | 307 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
308 | _cleanup_free_ char *p = NULL; |
309 | Manager *m = userdata; | |
310 | const char *name; | |
311 | Session *session; | |
312 | int r; | |
313 | ||
cc377381 LP |
314 | assert(message); |
315 | assert(m); | |
316 | ||
317 | r = sd_bus_message_read(message, "s", &name); | |
318 | if (r < 0) | |
ebcf1f97 | 319 | return r; |
cc377381 | 320 | |
309a29df LP |
321 | r = manager_get_session_from_creds(m, message, name, error, &session); |
322 | if (r < 0) | |
323 | return r; | |
cc377381 LP |
324 | |
325 | p = session_bus_path(session); | |
326 | if (!p) | |
ebcf1f97 | 327 | return -ENOMEM; |
cc377381 | 328 | |
df2d202e | 329 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
330 | } |
331 | ||
19070062 | 332 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 333 | _cleanup_free_ char *p = NULL; |
954449b8 | 334 | Session *session = NULL; |
cc377381 | 335 | Manager *m = userdata; |
4e724d9c | 336 | pid_t pid; |
cc377381 LP |
337 | int r; |
338 | ||
cc377381 LP |
339 | assert(message); |
340 | assert(m); | |
341 | ||
4e724d9c LP |
342 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
343 | ||
cc377381 LP |
344 | r = sd_bus_message_read(message, "u", &pid); |
345 | if (r < 0) | |
ebcf1f97 | 346 | return r; |
07b38ba5 | 347 | if (pid < 0) |
06820eaf | 348 | return -EINVAL; |
cc377381 | 349 | |
06820eaf | 350 | if (pid == 0) { |
309a29df | 351 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
352 | if (r < 0) |
353 | return r; | |
309a29df LP |
354 | } else { |
355 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 356 | if (r < 0) |
ebcf1f97 | 357 | return r; |
4e724d9c | 358 | |
309a29df LP |
359 | if (!session) |
360 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
361 | } | |
cc377381 LP |
362 | |
363 | p = session_bus_path(session); | |
364 | if (!p) | |
ebcf1f97 | 365 | return -ENOMEM; |
cc377381 | 366 | |
df2d202e | 367 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
368 | } |
369 | ||
19070062 | 370 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
371 | _cleanup_free_ char *p = NULL; |
372 | Manager *m = userdata; | |
373 | uint32_t uid; | |
374 | User *user; | |
375 | int r; | |
376 | ||
cc377381 LP |
377 | assert(message); |
378 | assert(m); | |
379 | ||
380 | r = sd_bus_message_read(message, "u", &uid); | |
381 | if (r < 0) | |
ebcf1f97 | 382 | return r; |
cc377381 | 383 | |
309a29df LP |
384 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
385 | if (r < 0) | |
386 | return r; | |
cc377381 LP |
387 | |
388 | p = user_bus_path(user); | |
389 | if (!p) | |
ebcf1f97 | 390 | return -ENOMEM; |
cc377381 | 391 | |
df2d202e | 392 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
393 | } |
394 | ||
19070062 | 395 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
396 | _cleanup_free_ char *p = NULL; |
397 | Manager *m = userdata; | |
954449b8 | 398 | User *user = NULL; |
4e724d9c | 399 | pid_t pid; |
fb6becb4 | 400 | int r; |
98a28fef | 401 | |
cc377381 | 402 | assert(message); |
98a28fef | 403 | assert(m); |
cc377381 | 404 | |
4e724d9c LP |
405 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
406 | ||
cc377381 LP |
407 | r = sd_bus_message_read(message, "u", &pid); |
408 | if (r < 0) | |
ebcf1f97 | 409 | return r; |
07b38ba5 | 410 | if (pid < 0) |
06820eaf | 411 | return -EINVAL; |
cc377381 | 412 | |
06820eaf | 413 | if (pid == 0) { |
309a29df | 414 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
415 | if (r < 0) |
416 | return r; | |
309a29df LP |
417 | } else { |
418 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 419 | if (r < 0) |
ebcf1f97 | 420 | return r; |
309a29df LP |
421 | if (!user) |
422 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid); | |
4e724d9c LP |
423 | } |
424 | ||
cc377381 LP |
425 | p = user_bus_path(user); |
426 | if (!p) | |
ebcf1f97 | 427 | return -ENOMEM; |
cc377381 | 428 | |
df2d202e | 429 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
430 | } |
431 | ||
19070062 | 432 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
433 | _cleanup_free_ char *p = NULL; |
434 | Manager *m = userdata; | |
435 | const char *name; | |
436 | Seat *seat; | |
437 | int r; | |
438 | ||
98a28fef | 439 | assert(message); |
cc377381 | 440 | assert(m); |
98a28fef | 441 | |
cc377381 LP |
442 | r = sd_bus_message_read(message, "s", &name); |
443 | if (r < 0) | |
ebcf1f97 | 444 | return r; |
98a28fef | 445 | |
309a29df LP |
446 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
447 | if (r < 0) | |
448 | return r; | |
98a28fef | 449 | |
cc377381 LP |
450 | p = seat_bus_path(seat); |
451 | if (!p) | |
ebcf1f97 | 452 | return -ENOMEM; |
98a28fef | 453 | |
df2d202e | 454 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 455 | } |
98a28fef | 456 | |
19070062 | 457 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 458 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
459 | Manager *m = userdata; |
460 | Session *session; | |
461 | Iterator i; | |
462 | int r; | |
463 | ||
cc377381 LP |
464 | assert(message); |
465 | assert(m); | |
98a28fef | 466 | |
df2d202e | 467 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 468 | if (r < 0) |
ebcf1f97 | 469 | return r; |
98a28fef | 470 | |
cc377381 LP |
471 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
472 | if (r < 0) | |
ebcf1f97 | 473 | return r; |
cc377381 LP |
474 | |
475 | HASHMAP_FOREACH(session, m->sessions, i) { | |
476 | _cleanup_free_ char *p = NULL; | |
477 | ||
478 | p = session_bus_path(session); | |
479 | if (!p) | |
ebcf1f97 | 480 | return -ENOMEM; |
cc377381 LP |
481 | |
482 | r = sd_bus_message_append(reply, "(susso)", | |
483 | session->id, | |
484 | (uint32_t) session->user->uid, | |
485 | session->user->name, | |
486 | session->seat ? session->seat->id : "", | |
487 | p); | |
488 | if (r < 0) | |
ebcf1f97 | 489 | return r; |
cc377381 LP |
490 | } |
491 | ||
492 | r = sd_bus_message_close_container(reply); | |
493 | if (r < 0) | |
ebcf1f97 | 494 | return r; |
cc377381 | 495 | |
9030ca46 | 496 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
497 | } |
498 | ||
19070062 | 499 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 500 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
501 | Manager *m = userdata; |
502 | User *user; | |
503 | Iterator i; | |
504 | int r; | |
505 | ||
cc377381 LP |
506 | assert(message); |
507 | assert(m); | |
508 | ||
df2d202e | 509 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 510 | if (r < 0) |
ebcf1f97 | 511 | return r; |
cc377381 LP |
512 | |
513 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
514 | if (r < 0) | |
ebcf1f97 | 515 | return r; |
cc377381 LP |
516 | |
517 | HASHMAP_FOREACH(user, m->users, i) { | |
518 | _cleanup_free_ char *p = NULL; | |
519 | ||
520 | p = user_bus_path(user); | |
521 | if (!p) | |
ebcf1f97 | 522 | return -ENOMEM; |
cc377381 LP |
523 | |
524 | r = sd_bus_message_append(reply, "(uso)", | |
525 | (uint32_t) user->uid, | |
526 | user->name, | |
527 | p); | |
528 | if (r < 0) | |
ebcf1f97 | 529 | return r; |
cc377381 LP |
530 | } |
531 | ||
532 | r = sd_bus_message_close_container(reply); | |
533 | if (r < 0) | |
ebcf1f97 | 534 | return r; |
cc377381 | 535 | |
9030ca46 | 536 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
537 | } |
538 | ||
19070062 | 539 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 540 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
541 | Manager *m = userdata; |
542 | Seat *seat; | |
543 | Iterator i; | |
544 | int r; | |
545 | ||
cc377381 LP |
546 | assert(message); |
547 | assert(m); | |
548 | ||
df2d202e | 549 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 550 | if (r < 0) |
ebcf1f97 | 551 | return r; |
cc377381 LP |
552 | |
553 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
554 | if (r < 0) | |
ebcf1f97 | 555 | return r; |
cc377381 LP |
556 | |
557 | HASHMAP_FOREACH(seat, m->seats, i) { | |
558 | _cleanup_free_ char *p = NULL; | |
559 | ||
560 | p = seat_bus_path(seat); | |
561 | if (!p) | |
ebcf1f97 | 562 | return -ENOMEM; |
cc377381 | 563 | |
b8358bce | 564 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 565 | if (r < 0) |
ebcf1f97 | 566 | return r; |
cc377381 LP |
567 | } |
568 | ||
569 | r = sd_bus_message_close_container(reply); | |
570 | if (r < 0) | |
ebcf1f97 | 571 | return r; |
cc377381 | 572 | |
9030ca46 | 573 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
574 | } |
575 | ||
19070062 | 576 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 577 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
578 | Manager *m = userdata; |
579 | Inhibitor *inhibitor; | |
580 | Iterator i; | |
581 | int r; | |
582 | ||
19070062 LP |
583 | assert(message); |
584 | assert(m); | |
585 | ||
df2d202e | 586 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 587 | if (r < 0) |
ebcf1f97 | 588 | return r; |
cc377381 LP |
589 | |
590 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
591 | if (r < 0) | |
ebcf1f97 | 592 | return r; |
cc377381 LP |
593 | |
594 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
595 | ||
dbfa3fbb | 596 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
597 | strempty(inhibit_what_to_string(inhibitor->what)), |
598 | strempty(inhibitor->who), | |
599 | strempty(inhibitor->why), | |
600 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
601 | (uint32_t) inhibitor->uid, | |
602 | (uint32_t) inhibitor->pid); | |
603 | if (r < 0) | |
ebcf1f97 | 604 | return r; |
cc377381 LP |
605 | } |
606 | ||
607 | r = sd_bus_message_close_container(reply); | |
608 | if (r < 0) | |
ebcf1f97 | 609 | return r; |
cc377381 | 610 | |
9030ca46 | 611 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
612 | } |
613 | ||
19070062 | 614 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 615 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
06820eaf | 616 | uint32_t audit_id = 0; |
cc377381 LP |
617 | _cleanup_free_ char *id = NULL; |
618 | Session *session = NULL; | |
619 | Manager *m = userdata; | |
620 | User *user = NULL; | |
621 | Seat *seat = NULL; | |
06820eaf LP |
622 | pid_t leader; |
623 | uid_t uid; | |
cc377381 LP |
624 | int remote; |
625 | uint32_t vtnr = 0; | |
626 | SessionType t; | |
627 | SessionClass c; | |
628 | int r; | |
629 | ||
cc377381 LP |
630 | assert(message); |
631 | assert(m); | |
632 | ||
06820eaf LP |
633 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
634 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
635 | ||
a4cd87e9 | 636 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 637 | if (r < 0) |
ebcf1f97 | 638 | return r; |
cc377381 | 639 | |
06820eaf LP |
640 | if (!uid_is_valid(uid)) |
641 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
642 | if (leader < 0 || leader == 1) | |
ebcf1f97 | 643 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 644 | |
e2acb67b LP |
645 | if (isempty(type)) |
646 | t = _SESSION_TYPE_INVALID; | |
647 | else { | |
648 | t = session_type_from_string(type); | |
649 | if (t < 0) | |
ebcf1f97 | 650 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 651 | } |
98a28fef | 652 | |
55efac6c | 653 | if (isempty(class)) |
e2acb67b LP |
654 | c = _SESSION_CLASS_INVALID; |
655 | else { | |
55efac6c | 656 | c = session_class_from_string(class); |
e2acb67b | 657 | if (c < 0) |
ebcf1f97 | 658 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 659 | } |
55efac6c | 660 | |
a4cd87e9 LP |
661 | if (isempty(desktop)) |
662 | desktop = NULL; | |
663 | else { | |
664 | if (!string_is_safe(desktop)) | |
665 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
666 | } | |
667 | ||
954449b8 LP |
668 | if (isempty(cseat)) |
669 | seat = NULL; | |
98a28fef | 670 | else { |
954449b8 LP |
671 | seat = hashmap_get(m->seats, cseat); |
672 | if (!seat) | |
d14ab08b | 673 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
674 | } |
675 | ||
98a28fef | 676 | if (tty_is_vc(tty)) { |
4d6d6518 | 677 | int v; |
98a28fef | 678 | |
954449b8 | 679 | if (!seat) |
92432fcc DH |
680 | seat = m->seat0; |
681 | else if (seat != m->seat0) | |
d14ab08b | 682 | 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 | 683 | |
4d6d6518 | 684 | v = vtnr_from_tty(tty); |
4d6d6518 | 685 | if (v <= 0) |
ebcf1f97 | 686 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 687 | |
92bd5ff3 | 688 | if (!vtnr) |
4d6d6518 LP |
689 | vtnr = (uint32_t) v; |
690 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 691 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 692 | |
d1122ad5 LP |
693 | } else if (tty_is_console(tty)) { |
694 | ||
954449b8 | 695 | if (!seat) |
92432fcc DH |
696 | seat = m->seat0; |
697 | else if (seat != m->seat0) | |
ebcf1f97 | 698 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
699 | |
700 | if (vtnr != 0) | |
ebcf1f97 | 701 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 702 | } |
98a28fef | 703 | |
954449b8 | 704 | if (seat) { |
bf7825ae | 705 | if (seat_has_vts(seat)) { |
c506027a | 706 | if (!vtnr || vtnr > 63) |
ebcf1f97 | 707 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 708 | } else { |
d1122ad5 | 709 | if (vtnr != 0) |
ebcf1f97 | 710 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
711 | } |
712 | } | |
713 | ||
cc377381 LP |
714 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
715 | if (r < 0) | |
ebcf1f97 | 716 | return r; |
98a28fef | 717 | |
e2acb67b LP |
718 | if (t == _SESSION_TYPE_INVALID) { |
719 | if (!isempty(display)) | |
720 | t = SESSION_X11; | |
721 | else if (!isempty(tty)) | |
722 | t = SESSION_TTY; | |
723 | else | |
724 | t = SESSION_UNSPECIFIED; | |
725 | } | |
726 | ||
727 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 728 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 729 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
730 | else |
731 | c = SESSION_USER; | |
e2acb67b LP |
732 | } |
733 | ||
06820eaf | 734 | if (leader == 0) { |
4afd3348 | 735 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
736 | |
737 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
738 | if (r < 0) | |
739 | return r; | |
740 | ||
5b12334d | 741 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 742 | if (r < 0) |
ebcf1f97 | 743 | return r; |
9444b1f2 LP |
744 | } |
745 | ||
b80120c4 DH |
746 | r = manager_get_session_by_pid(m, leader, NULL); |
747 | if (r > 0) | |
748 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session"); | |
749 | ||
750 | /* | |
751 | * Old gdm and lightdm start the user-session on the same VT as | |
752 | * the greeter session. But they destroy the greeter session | |
753 | * after the user-session and want the user-session to take | |
754 | * over the VT. We need to support this for | |
755 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
756 | * on a VT that a greeter is running on. Furthermore, to allow |
757 | * re-logins, we have to allow a greeter to take over a used VT for | |
758 | * the exact same reasons. | |
b80120c4 | 759 | */ |
cc85d562 DH |
760 | if (c != SESSION_GREETER && |
761 | vtnr > 0 && | |
b80120c4 DH |
762 | vtnr < m->seat0->position_count && |
763 | m->seat0->positions[vtnr] && | |
764 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
765 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 766 | |
183e0738 LP |
767 | if (hashmap_size(m->sessions) >= m->sessions_max) |
768 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
769 | ||
3a87a86e LP |
770 | (void) audit_session_from_pid(leader, &audit_id); |
771 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 772 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 773 | |
de0671ee | 774 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 775 | return -ENOMEM; |
21c390cc | 776 | |
954449b8 LP |
777 | /* Wut? There's already a session by this name and we |
778 | * didn't find it above? Weird, then let's not trust | |
779 | * the audit data and let's better register a new | |
780 | * ID */ | |
781 | if (hashmap_get(m->sessions, id)) { | |
4b549144 | 782 | log_warning("Existing logind session ID %s used by new audit session, ignoring", id); |
3a87a86e | 783 | audit_id = AUDIT_SESSION_INVALID; |
8ea913b2 | 784 | |
97b11eed | 785 | id = mfree(id); |
07714753 | 786 | } |
954449b8 | 787 | } |
07714753 | 788 | |
954449b8 | 789 | if (!id) { |
07714753 | 790 | do { |
97b11eed | 791 | id = mfree(id); |
07714753 | 792 | |
cc377381 | 793 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 794 | return -ENOMEM; |
07714753 LP |
795 | |
796 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
797 | } |
798 | ||
954449b8 | 799 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 800 | if (r < 0) |
954449b8 LP |
801 | goto fail; |
802 | ||
9444b1f2 | 803 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 804 | if (r < 0) |
98a28fef LP |
805 | goto fail; |
806 | ||
9444b1f2 LP |
807 | session_set_user(session, user); |
808 | ||
98a28fef LP |
809 | session->leader = leader; |
810 | session->audit_id = audit_id; | |
811 | session->type = t; | |
55efac6c | 812 | session->class = c; |
98a28fef | 813 | session->remote = remote; |
98a28fef LP |
814 | session->vtnr = vtnr; |
815 | ||
98a28fef LP |
816 | if (!isempty(tty)) { |
817 | session->tty = strdup(tty); | |
818 | if (!session->tty) { | |
ebcf1f97 | 819 | r = -ENOMEM; |
98a28fef LP |
820 | goto fail; |
821 | } | |
822 | } | |
823 | ||
824 | if (!isempty(display)) { | |
825 | session->display = strdup(display); | |
826 | if (!session->display) { | |
ebcf1f97 | 827 | r = -ENOMEM; |
98a28fef LP |
828 | goto fail; |
829 | } | |
830 | } | |
831 | ||
832 | if (!isempty(remote_user)) { | |
833 | session->remote_user = strdup(remote_user); | |
834 | if (!session->remote_user) { | |
ebcf1f97 | 835 | r = -ENOMEM; |
98a28fef LP |
836 | goto fail; |
837 | } | |
838 | } | |
839 | ||
840 | if (!isempty(remote_host)) { | |
841 | session->remote_host = strdup(remote_host); | |
842 | if (!session->remote_host) { | |
ebcf1f97 | 843 | r = -ENOMEM; |
98a28fef LP |
844 | goto fail; |
845 | } | |
846 | } | |
847 | ||
848 | if (!isempty(service)) { | |
849 | session->service = strdup(service); | |
850 | if (!session->service) { | |
ebcf1f97 | 851 | r = -ENOMEM; |
98a28fef LP |
852 | goto fail; |
853 | } | |
854 | } | |
855 | ||
a4cd87e9 LP |
856 | if (!isempty(desktop)) { |
857 | session->desktop = strdup(desktop); | |
858 | if (!session->desktop) { | |
859 | r = -ENOMEM; | |
860 | goto fail; | |
861 | } | |
862 | } | |
863 | ||
954449b8 LP |
864 | if (seat) { |
865 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 866 | if (r < 0) |
98a28fef LP |
867 | goto fail; |
868 | } | |
869 | ||
870 | r = session_start(session); | |
ebcf1f97 | 871 | if (r < 0) |
98a28fef LP |
872 | goto fail; |
873 | ||
cc377381 | 874 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 875 | |
cba38758 LP |
876 | /* Now, let's wait until the slice unit and stuff got |
877 | * created. We send the reply back from | |
f7340ab2 | 878 | * session_send_create_reply(). */ |
cba38758 | 879 | |
cc377381 | 880 | return 1; |
98a28fef LP |
881 | |
882 | fail: | |
98a28fef LP |
883 | if (session) |
884 | session_add_to_gc_queue(session); | |
885 | ||
886 | if (user) | |
887 | user_add_to_gc_queue(user); | |
888 | ||
98a28fef LP |
889 | return r; |
890 | } | |
891 | ||
19070062 | 892 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
893 | Manager *m = userdata; |
894 | Session *session; | |
895 | const char *name; | |
896 | int r; | |
314b4b0a | 897 | |
cc377381 LP |
898 | assert(message); |
899 | assert(m); | |
900 | ||
901 | r = sd_bus_message_read(message, "s", &name); | |
902 | if (r < 0) | |
ebcf1f97 | 903 | return r; |
cc377381 | 904 | |
309a29df LP |
905 | r = manager_get_session_from_creds(m, message, name, error, &session); |
906 | if (r < 0) | |
907 | return r; | |
cc377381 | 908 | |
ad8780c9 ZJS |
909 | r = session_release(session); |
910 | if (r < 0) | |
911 | return r; | |
cc377381 | 912 | |
df2d202e | 913 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
914 | } |
915 | ||
19070062 | 916 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
917 | Manager *m = userdata; |
918 | Session *session; | |
919 | const char *name; | |
920 | int r; | |
f8e2fb7b | 921 | |
cc377381 | 922 | assert(message); |
f8e2fb7b | 923 | assert(m); |
cc377381 LP |
924 | |
925 | r = sd_bus_message_read(message, "s", &name); | |
926 | if (r < 0) | |
ebcf1f97 | 927 | return r; |
cc377381 | 928 | |
309a29df LP |
929 | r = manager_get_session_from_creds(m, message, name, error, &session); |
930 | if (r < 0) | |
931 | return r; | |
cc377381 | 932 | |
19070062 | 933 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
934 | } |
935 | ||
19070062 | 936 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
937 | const char *session_name, *seat_name; |
938 | Manager *m = userdata; | |
939 | Session *session; | |
940 | Seat *seat; | |
941 | int r; | |
942 | ||
f8e2fb7b | 943 | assert(message); |
cc377381 | 944 | assert(m); |
f8e2fb7b | 945 | |
cc377381 LP |
946 | /* Same as ActivateSession() but refuses to work if |
947 | * the seat doesn't match */ | |
f8e2fb7b | 948 | |
cc377381 LP |
949 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
950 | if (r < 0) | |
ebcf1f97 | 951 | return r; |
eecd1362 | 952 | |
309a29df LP |
953 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
954 | if (r < 0) | |
955 | return r; | |
beaafb2e | 956 | |
309a29df LP |
957 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
958 | if (r < 0) | |
959 | return r; | |
314b4b0a | 960 | |
cc377381 | 961 | if (session->seat != seat) |
ebcf1f97 | 962 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
963 | |
964 | r = session_activate(session); | |
f8e2fb7b | 965 | if (r < 0) |
ebcf1f97 | 966 | return r; |
f8e2fb7b | 967 | |
df2d202e | 968 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 969 | } |
f8e2fb7b | 970 | |
19070062 | 971 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
972 | Manager *m = userdata; |
973 | Session *session; | |
974 | const char *name; | |
975 | int r; | |
f8e2fb7b | 976 | |
cc377381 LP |
977 | assert(message); |
978 | assert(m); | |
f8e2fb7b | 979 | |
cc377381 LP |
980 | r = sd_bus_message_read(message, "s", &name); |
981 | if (r < 0) | |
ebcf1f97 | 982 | return r; |
f8e2fb7b | 983 | |
309a29df LP |
984 | r = manager_get_session_from_creds(m, message, name, error, &session); |
985 | if (r < 0) | |
986 | return r; | |
f8e2fb7b | 987 | |
19070062 | 988 | return bus_session_method_lock(message, session, error); |
cc377381 | 989 | } |
f8e2fb7b | 990 | |
19070062 | 991 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
992 | Manager *m = userdata; |
993 | int r; | |
f8e2fb7b | 994 | |
cc377381 LP |
995 | assert(message); |
996 | assert(m); | |
f8e2fb7b | 997 | |
c529695e LP |
998 | r = bus_verify_polkit_async( |
999 | message, | |
1000 | CAP_SYS_ADMIN, | |
1001 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 1002 | NULL, |
c529695e LP |
1003 | false, |
1004 | UID_INVALID, | |
1005 | &m->polkit_registry, | |
1006 | error); | |
1007 | if (r < 0) | |
1008 | return r; | |
1009 | if (r == 0) | |
1010 | return 1; /* Will call us back */ | |
1011 | ||
cc377381 LP |
1012 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1013 | if (r < 0) | |
ebcf1f97 | 1014 | return r; |
f8e2fb7b | 1015 | |
df2d202e | 1016 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1017 | } |
1018 | ||
19070062 | 1019 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1020 | const char *name; |
cc377381 LP |
1021 | Manager *m = userdata; |
1022 | Session *session; | |
cc377381 LP |
1023 | int r; |
1024 | ||
cc377381 LP |
1025 | assert(message); |
1026 | assert(m); | |
1027 | ||
c529695e | 1028 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1029 | if (r < 0) |
ebcf1f97 | 1030 | return r; |
cc377381 | 1031 | |
309a29df LP |
1032 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1033 | if (r < 0) | |
1034 | return r; | |
f8e2fb7b | 1035 | |
19070062 | 1036 | return bus_session_method_kill(message, session, error); |
cc377381 | 1037 | } |
f8e2fb7b | 1038 | |
19070062 | 1039 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1040 | Manager *m = userdata; |
1041 | uint32_t uid; | |
cc377381 LP |
1042 | User *user; |
1043 | int r; | |
f8e2fb7b | 1044 | |
cc377381 LP |
1045 | assert(message); |
1046 | assert(m); | |
1047 | ||
c529695e | 1048 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1049 | if (r < 0) |
ebcf1f97 | 1050 | return r; |
cc377381 | 1051 | |
309a29df LP |
1052 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1053 | if (r < 0) | |
1054 | return r; | |
cc377381 | 1055 | |
19070062 | 1056 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1057 | } |
1058 | ||
19070062 | 1059 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1060 | Manager *m = userdata; |
1061 | const char *name; | |
1062 | Session *session; | |
1063 | int r; | |
1064 | ||
cc377381 LP |
1065 | assert(message); |
1066 | assert(m); | |
1067 | ||
1068 | r = sd_bus_message_read(message, "s", &name); | |
1069 | if (r < 0) | |
ebcf1f97 | 1070 | return r; |
cc377381 | 1071 | |
309a29df LP |
1072 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1073 | if (r < 0) | |
1074 | return r; | |
cc377381 | 1075 | |
19070062 | 1076 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1077 | } |
1078 | ||
19070062 | 1079 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1080 | Manager *m = userdata; |
1081 | uint32_t uid; | |
1082 | User *user; | |
1083 | int r; | |
1084 | ||
cc377381 LP |
1085 | assert(message); |
1086 | assert(m); | |
1087 | ||
1088 | r = sd_bus_message_read(message, "u", &uid); | |
1089 | if (r < 0) | |
ebcf1f97 | 1090 | return r; |
cc377381 | 1091 | |
309a29df LP |
1092 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1093 | if (r < 0) | |
1094 | return r; | |
cc377381 | 1095 | |
19070062 | 1096 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1097 | } |
1098 | ||
19070062 | 1099 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1100 | Manager *m = userdata; |
1101 | const char *name; | |
1102 | Seat *seat; | |
1103 | int r; | |
1104 | ||
cc377381 LP |
1105 | assert(message); |
1106 | assert(m); | |
1107 | ||
1108 | r = sd_bus_message_read(message, "s", &name); | |
1109 | if (r < 0) | |
ebcf1f97 | 1110 | return r; |
cc377381 | 1111 | |
309a29df LP |
1112 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1113 | if (r < 0) | |
1114 | return r; | |
cc377381 | 1115 | |
19070062 | 1116 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1117 | } |
1118 | ||
19070062 | 1119 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1120 | _cleanup_free_ char *cc = NULL; |
1121 | Manager *m = userdata; | |
152199f2 | 1122 | int r, b, interactive; |
cc377381 LP |
1123 | struct passwd *pw; |
1124 | const char *path; | |
1125 | uint32_t uid; | |
152199f2 | 1126 | bool self = false; |
cc377381 | 1127 | |
cc377381 LP |
1128 | assert(message); |
1129 | assert(m); | |
1130 | ||
1131 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1132 | if (r < 0) | |
ebcf1f97 | 1133 | return r; |
cc377381 | 1134 | |
cad93f29 | 1135 | if (!uid_is_valid(uid)) { |
4afd3348 | 1136 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
309a29df LP |
1137 | |
1138 | /* Note that we get the owner UID of the session, not the actual client UID here! */ | |
1139 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1140 | if (r < 0) | |
1141 | return r; | |
1142 | ||
1143 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
1144 | if (r < 0) | |
1145 | return r; | |
06820eaf | 1146 | |
152199f2 ZJS |
1147 | self = true; |
1148 | ||
06820eaf LP |
1149 | } else if (!uid_is_valid(uid)) |
1150 | return -EINVAL; | |
309a29df | 1151 | |
cc377381 LP |
1152 | errno = 0; |
1153 | pw = getpwuid(uid); | |
1154 | if (!pw) | |
f5e5c28f | 1155 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1156 | |
f3885791 LP |
1157 | r = bus_verify_polkit_async( |
1158 | message, | |
1159 | CAP_SYS_ADMIN, | |
152199f2 | 1160 | self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger", |
403ed0e5 | 1161 | NULL, |
f3885791 | 1162 | interactive, |
c529695e | 1163 | UID_INVALID, |
f3885791 LP |
1164 | &m->polkit_registry, |
1165 | error); | |
cc377381 | 1166 | if (r < 0) |
ebcf1f97 | 1167 | return r; |
cc377381 LP |
1168 | if (r == 0) |
1169 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1170 | ||
1171 | mkdir_p_label("/var/lib/systemd", 0755); | |
1172 | ||
c31ad024 | 1173 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, false); |
cc377381 | 1174 | if (r < 0) |
ebcf1f97 | 1175 | return r; |
cc377381 LP |
1176 | |
1177 | cc = cescape(pw->pw_name); | |
1178 | if (!cc) | |
ebcf1f97 | 1179 | return -ENOMEM; |
cc377381 | 1180 | |
63c372cb | 1181 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1182 | if (b) { |
1183 | User *u; | |
1184 | ||
1185 | r = touch(path); | |
1186 | if (r < 0) | |
ebcf1f97 | 1187 | return r; |
cc377381 LP |
1188 | |
1189 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1190 | user_start(u); | |
1191 | ||
1192 | } else { | |
1193 | User *u; | |
1194 | ||
1195 | r = unlink(path); | |
1196 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1197 | return -errno; |
cc377381 | 1198 | |
8cb4ab00 | 1199 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1200 | if (u) |
1201 | user_add_to_gc_queue(u); | |
1202 | } | |
1203 | ||
df2d202e | 1204 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1205 | } |
1206 | ||
2eb916cd | 1207 | static int trigger_device(Manager *m, struct udev_device *d) { |
06acf2d4 | 1208 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
b668e064 LP |
1209 | struct udev_list_entry *first, *item; |
1210 | int r; | |
1211 | ||
1212 | assert(m); | |
1213 | ||
1214 | e = udev_enumerate_new(m->udev); | |
06acf2d4 LP |
1215 | if (!e) |
1216 | return -ENOMEM; | |
b668e064 | 1217 | |
2eb916cd | 1218 | if (d) { |
06acf2d4 LP |
1219 | r = udev_enumerate_add_match_parent(e, d); |
1220 | if (r < 0) | |
1221 | return r; | |
2eb916cd LP |
1222 | } |
1223 | ||
06acf2d4 LP |
1224 | r = udev_enumerate_scan_devices(e); |
1225 | if (r < 0) | |
1226 | return r; | |
b668e064 LP |
1227 | |
1228 | first = udev_enumerate_get_list_entry(e); | |
1229 | udev_list_entry_foreach(item, first) { | |
cc377381 | 1230 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1231 | const char *p; |
1232 | ||
1233 | p = udev_list_entry_get_name(item); | |
1234 | ||
b668e064 | 1235 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1236 | if (!t) |
1237 | return -ENOMEM; | |
b668e064 | 1238 | |
4c1fc3e4 | 1239 | write_string_file(t, "change", WRITE_STRING_FILE_CREATE); |
b668e064 LP |
1240 | } |
1241 | ||
06acf2d4 | 1242 | return 0; |
b668e064 LP |
1243 | } |
1244 | ||
47a26690 | 1245 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
06acf2d4 | 1246 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
7fd1b19b | 1247 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1248 | const char *id_for_seat; |
47a26690 LP |
1249 | int r; |
1250 | ||
1251 | assert(m); | |
1252 | assert(seat); | |
1253 | assert(sysfs); | |
1254 | ||
1255 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
1256 | if (!d) | |
1257 | return -ENODEV; | |
1258 | ||
06acf2d4 LP |
1259 | if (!udev_device_has_tag(d, "seat")) |
1260 | return -ENODEV; | |
47a26690 | 1261 | |
c28fa3d3 | 1262 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
06acf2d4 LP |
1263 | if (!id_for_seat) |
1264 | return -ENODEV; | |
47a26690 | 1265 | |
06acf2d4 LP |
1266 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1267 | return -ENOMEM; | |
47a26690 | 1268 | |
06acf2d4 LP |
1269 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1270 | return -ENOMEM; | |
47a26690 | 1271 | |
d2e54fae | 1272 | mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1273 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1274 | if (r < 0) |
06acf2d4 | 1275 | return r; |
47a26690 | 1276 | |
06acf2d4 | 1277 | return trigger_device(m, d); |
47a26690 LP |
1278 | } |
1279 | ||
b668e064 | 1280 | static int flush_devices(Manager *m) { |
7fd1b19b | 1281 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1282 | |
1283 | assert(m); | |
1284 | ||
1285 | d = opendir("/etc/udev/rules.d"); | |
1286 | if (!d) { | |
1287 | if (errno != ENOENT) | |
56f64d95 | 1288 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1289 | } else { |
1290 | struct dirent *de; | |
1291 | ||
8fb3f009 | 1292 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1293 | if (!dirent_is_file(de)) |
1294 | continue; | |
1295 | ||
1296 | if (!startswith(de->d_name, "72-seat-")) | |
1297 | continue; | |
1298 | ||
1299 | if (!endswith(de->d_name, ".rules")) | |
1300 | continue; | |
1301 | ||
1302 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1303 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1304 | } |
b668e064 LP |
1305 | } |
1306 | ||
1307 | return trigger_device(m, NULL); | |
1308 | } | |
1309 | ||
19070062 | 1310 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1311 | const char *sysfs, *seat; |
1312 | Manager *m = userdata; | |
1313 | int interactive, r; | |
1314 | ||
cc377381 LP |
1315 | assert(message); |
1316 | assert(m); | |
1317 | ||
1318 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1319 | if (r < 0) | |
ebcf1f97 | 1320 | return r; |
cc377381 LP |
1321 | |
1322 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1323 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1324 | |
1325 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1326 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1327 | |
f3885791 LP |
1328 | r = bus_verify_polkit_async( |
1329 | message, | |
1330 | CAP_SYS_ADMIN, | |
1331 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1332 | NULL, |
f3885791 | 1333 | interactive, |
c529695e | 1334 | UID_INVALID, |
f3885791 LP |
1335 | &m->polkit_registry, |
1336 | error); | |
cc377381 | 1337 | if (r < 0) |
ebcf1f97 | 1338 | return r; |
cc377381 LP |
1339 | if (r == 0) |
1340 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1341 | ||
1342 | r = attach_device(m, seat, sysfs); | |
1343 | if (r < 0) | |
ebcf1f97 | 1344 | return r; |
cc377381 | 1345 | |
df2d202e | 1346 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1347 | } |
1348 | ||
19070062 | 1349 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1350 | Manager *m = userdata; |
1351 | int interactive, r; | |
1352 | ||
cc377381 LP |
1353 | assert(message); |
1354 | assert(m); | |
1355 | ||
1356 | r = sd_bus_message_read(message, "b", &interactive); | |
1357 | if (r < 0) | |
ebcf1f97 | 1358 | return r; |
cc377381 | 1359 | |
f3885791 LP |
1360 | r = bus_verify_polkit_async( |
1361 | message, | |
1362 | CAP_SYS_ADMIN, | |
1363 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1364 | NULL, |
f3885791 | 1365 | interactive, |
c529695e | 1366 | UID_INVALID, |
f3885791 LP |
1367 | &m->polkit_registry, |
1368 | error); | |
cc377381 | 1369 | if (r < 0) |
ebcf1f97 | 1370 | return r; |
cc377381 LP |
1371 | if (r == 0) |
1372 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1373 | ||
1374 | r = flush_devices(m); | |
1375 | if (r < 0) | |
ebcf1f97 | 1376 | return r; |
cc377381 | 1377 | |
df2d202e | 1378 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1379 | } |
1380 | ||
89f13440 | 1381 | static int have_multiple_sessions( |
89f13440 | 1382 | Manager *m, |
409133be | 1383 | uid_t uid) { |
89f13440 | 1384 | |
2154761f MS |
1385 | Session *session; |
1386 | Iterator i; | |
89f13440 LP |
1387 | |
1388 | assert(m); | |
1389 | ||
1ca04b87 LP |
1390 | /* Check for other users' sessions. Greeter sessions do not |
1391 | * count, and non-login sessions do not count either. */ | |
2154761f | 1392 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1393 | if (session->class == SESSION_USER && |
1ca04b87 | 1394 | session->user->uid != uid) |
2154761f | 1395 | return true; |
89f13440 LP |
1396 | |
1397 | return false; | |
1398 | } | |
1399 | ||
314b4b0a LP |
1400 | static int bus_manager_log_shutdown( |
1401 | Manager *m, | |
314b4b0a LP |
1402 | const char *unit_name) { |
1403 | ||
5744f59a | 1404 | const char *p, *q; |
314b4b0a LP |
1405 | |
1406 | assert(m); | |
1407 | assert(unit_name); | |
1408 | ||
314b4b0a | 1409 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1410 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1411 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1412 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1413 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1414 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1415 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1416 | p = "MESSAGE=System is halting"; | |
1417 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1418 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1419 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1420 | q = "SHUTDOWN=kexec"; |
1421 | } else { | |
f868cb58 | 1422 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1423 | q = NULL; |
1424 | } | |
1425 | ||
f868cb58 ZJS |
1426 | if (isempty(m->wall_message)) |
1427 | p = strjoina(p, "."); | |
1428 | else | |
1429 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1430 | |
e2cc6eca | 1431 | return log_struct(LOG_NOTICE, |
2b044526 | 1432 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1433 | p, |
e2cc6eca LP |
1434 | q, |
1435 | NULL); | |
314b4b0a LP |
1436 | } |
1437 | ||
b5d3e168 KS |
1438 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1439 | Manager *m = userdata; | |
1440 | ||
1441 | assert(e); | |
1442 | assert(m); | |
1443 | ||
1444 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1445 | return 0; | |
1446 | } | |
1447 | ||
1448 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1449 | int r; | |
1450 | ||
1451 | assert(m); | |
1452 | ||
1453 | if (until <= now(CLOCK_MONOTONIC)) | |
1454 | return 0; | |
1455 | ||
1456 | /* We want to ignore the lid switch for a while after each | |
1457 | * suspend, and after boot-up. Hence let's install a timer for | |
1458 | * this. As long as the event source exists we ignore the lid | |
1459 | * switch. */ | |
1460 | ||
1461 | if (m->lid_switch_ignore_event_source) { | |
1462 | usec_t u; | |
1463 | ||
1464 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1465 | if (r < 0) | |
1466 | return r; | |
1467 | ||
1468 | if (until <= u) | |
1469 | return 0; | |
1470 | ||
1471 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1472 | } else | |
6a0f1f6d LP |
1473 | r = sd_event_add_time( |
1474 | m->event, | |
1475 | &m->lid_switch_ignore_event_source, | |
1476 | CLOCK_MONOTONIC, | |
1477 | until, 0, | |
1478 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1479 | |
1480 | return r; | |
1481 | } | |
1482 | ||
6d7f7fd4 AJ |
1483 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1484 | ||
1485 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1486 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1487 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1488 | }; | |
1489 | ||
1490 | int active = _active; | |
1491 | ||
1492 | assert(m); | |
1493 | assert(w >= 0); | |
1494 | assert(w < _INHIBIT_WHAT_MAX); | |
1495 | assert(signal_name[w]); | |
1496 | ||
1497 | return sd_bus_emit_signal(m->bus, | |
1498 | "/org/freedesktop/login1", | |
1499 | "org.freedesktop.login1.Manager", | |
1500 | signal_name[w], | |
1501 | "b", | |
1502 | active); | |
1503 | } | |
1504 | ||
314b4b0a LP |
1505 | static int execute_shutdown_or_sleep( |
1506 | Manager *m, | |
1507 | InhibitWhat w, | |
1508 | const char *unit_name, | |
cc377381 | 1509 | sd_bus_error *error) { |
314b4b0a | 1510 | |
4afd3348 | 1511 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1389f4b9 | 1512 | char *c = NULL; |
cc377381 | 1513 | const char *p; |
cc377381 | 1514 | int r; |
eecd1362 | 1515 | |
af9792ac | 1516 | assert(m); |
b61fa4e0 | 1517 | assert(w > 0); |
314b4b0a | 1518 | assert(w < _INHIBIT_WHAT_MAX); |
d889a206 | 1519 | assert(unit_name); |
eecd1362 | 1520 | |
df75a1a8 AJ |
1521 | if (w == INHIBIT_SHUTDOWN) |
1522 | bus_manager_log_shutdown(m, unit_name); | |
314b4b0a | 1523 | |
df75a1a8 AJ |
1524 | r = sd_bus_call_method( |
1525 | m->bus, | |
1526 | "org.freedesktop.systemd1", | |
1527 | "/org/freedesktop/systemd1", | |
1528 | "org.freedesktop.systemd1.Manager", | |
1529 | "StartUnit", | |
1530 | error, | |
1531 | &reply, | |
1532 | "ss", unit_name, "replace-irreversibly"); | |
1533 | if (r < 0) | |
6d7f7fd4 | 1534 | goto error; |
af9792ac | 1535 | |
df75a1a8 AJ |
1536 | r = sd_bus_message_read(reply, "o", &p); |
1537 | if (r < 0) | |
6d7f7fd4 | 1538 | goto error; |
af9792ac | 1539 | |
df75a1a8 | 1540 | c = strdup(p); |
6d7f7fd4 AJ |
1541 | if (!c) { |
1542 | r = -ENOMEM; | |
1543 | goto error; | |
1544 | } | |
af9792ac | 1545 | |
314b4b0a | 1546 | m->action_unit = unit_name; |
af9792ac LP |
1547 | free(m->action_job); |
1548 | m->action_job = c; | |
314b4b0a | 1549 | m->action_what = w; |
af9792ac | 1550 | |
f9cd6be1 | 1551 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1552 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1553 | |
af9792ac | 1554 | return 0; |
6d7f7fd4 AJ |
1555 | |
1556 | error: | |
1557 | /* Tell people that they now may take a lock again */ | |
1558 | send_prepare_for(m, m->action_what, false); | |
1559 | ||
1560 | return r; | |
eecd1362 LP |
1561 | } |
1562 | ||
418b22b8 | 1563 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1564 | |
4afd3348 | 1565 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1566 | Inhibitor *offending = NULL; |
c0f32805 DM |
1567 | int r; |
1568 | ||
1569 | assert(manager); | |
c0f32805 DM |
1570 | |
1571 | if (manager->action_what == 0 || manager->action_job) | |
1572 | return 0; | |
1573 | ||
1574 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1575 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1576 | ||
418b22b8 DM |
1577 | if (!timeout) |
1578 | return 0; | |
1579 | ||
c0f32805 DM |
1580 | (void) get_process_comm(offending->pid, &comm); |
1581 | u = uid_to_name(offending->uid); | |
1582 | ||
1583 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1584 | offending->uid, strna(u), | |
1585 | offending->pid, strna(comm)); | |
1586 | } | |
1587 | ||
1588 | /* Actually do the operation */ | |
1589 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1590 | if (r < 0) { | |
6d7f7fd4 AJ |
1591 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1592 | bus_error_message(&error, r)); | |
c0f32805 DM |
1593 | |
1594 | manager->action_unit = NULL; | |
1595 | manager->action_what = 0; | |
418b22b8 | 1596 | return r; |
c0f32805 DM |
1597 | } |
1598 | ||
418b22b8 DM |
1599 | return 1; |
1600 | } | |
1601 | ||
1602 | static int manager_inhibit_timeout_handler( | |
1603 | sd_event_source *s, | |
1604 | uint64_t usec, | |
1605 | void *userdata) { | |
1606 | ||
1607 | Manager *manager = userdata; | |
1608 | int r; | |
1609 | ||
1610 | assert(manager); | |
1611 | assert(manager->inhibit_timeout_source == s); | |
1612 | ||
1613 | r = manager_dispatch_delayed(manager, true); | |
1614 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1615 | } |
1616 | ||
314b4b0a LP |
1617 | static int delay_shutdown_or_sleep( |
1618 | Manager *m, | |
1619 | InhibitWhat w, | |
1620 | const char *unit_name) { | |
eecd1362 | 1621 | |
c0f32805 DM |
1622 | int r; |
1623 | usec_t timeout_val; | |
1624 | ||
eecd1362 | 1625 | assert(m); |
d889a206 LP |
1626 | assert(w >= 0); |
1627 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1628 | assert(unit_name); |
eecd1362 | 1629 | |
c0f32805 DM |
1630 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1631 | ||
1632 | if (m->inhibit_timeout_source) { | |
1633 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1634 | if (r < 0) | |
c2a23db0 | 1635 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1636 | |
1637 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1638 | if (r < 0) | |
c2a23db0 | 1639 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1640 | } else { |
1641 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1642 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1643 | if (r < 0) | |
1644 | return r; | |
1645 | } | |
1646 | ||
314b4b0a LP |
1647 | m->action_unit = unit_name; |
1648 | m->action_what = w; | |
d889a206 LP |
1649 | |
1650 | return 0; | |
1651 | } | |
1652 | ||
069cfc85 LP |
1653 | int bus_manager_shutdown_or_sleep_now_or_later( |
1654 | Manager *m, | |
1655 | const char *unit_name, | |
1656 | InhibitWhat w, | |
cc377381 | 1657 | sd_bus_error *error) { |
069cfc85 LP |
1658 | |
1659 | bool delayed; | |
1660 | int r; | |
1661 | ||
1662 | assert(m); | |
1663 | assert(unit_name); | |
b61fa4e0 | 1664 | assert(w > 0); |
069cfc85 | 1665 | assert(w <= _INHIBIT_WHAT_MAX); |
af9792ac | 1666 | assert(!m->action_job); |
069cfc85 | 1667 | |
314b4b0a LP |
1668 | /* Tell everybody to prepare for shutdown/sleep */ |
1669 | send_prepare_for(m, w, true); | |
1670 | ||
069cfc85 LP |
1671 | delayed = |
1672 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1673 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1674 | |
1675 | if (delayed) | |
1676 | /* Shutdown is delayed, keep in mind what we | |
1677 | * want to do, and start a timeout */ | |
1678 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1679 | else |
069cfc85 LP |
1680 | /* Shutdown is not delayed, execute it |
1681 | * immediately */ | |
314b4b0a | 1682 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1683 | |
1684 | return r; | |
1685 | } | |
1686 | ||
b7aa9589 | 1687 | static int verify_shutdown_creds( |
d889a206 | 1688 | Manager *m, |
cc377381 | 1689 | sd_bus_message *message, |
d889a206 | 1690 | InhibitWhat w, |
b7aa9589 | 1691 | bool interactive, |
d889a206 LP |
1692 | const char *action, |
1693 | const char *action_multiple_sessions, | |
1694 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1695 | sd_bus_error *error) { |
d889a206 | 1696 | |
4afd3348 | 1697 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1698 | bool multiple_sessions, blocked; |
cc377381 | 1699 | uid_t uid; |
b7aa9589 | 1700 | int r; |
d889a206 LP |
1701 | |
1702 | assert(m); | |
d889a206 | 1703 | assert(message); |
d889a206 LP |
1704 | assert(w >= 0); |
1705 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1706 | |
05bae4a6 | 1707 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1708 | if (r < 0) |
1709 | return r; | |
1710 | ||
05bae4a6 | 1711 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1712 | if (r < 0) |
ebcf1f97 | 1713 | return r; |
409133be | 1714 | |
cc377381 | 1715 | r = have_multiple_sessions(m, uid); |
d889a206 | 1716 | if (r < 0) |
ebcf1f97 | 1717 | return r; |
d889a206 LP |
1718 | |
1719 | multiple_sessions = r > 0; | |
85a428c6 | 1720 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1721 | |
b7aa9589 | 1722 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1723 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1724 | if (r < 0) |
ebcf1f97 | 1725 | return r; |
055d4066 ZJS |
1726 | if (r == 0) |
1727 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1728 | } |
1729 | ||
b7aa9589 | 1730 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1731 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1732 | if (r < 0) |
ebcf1f97 | 1733 | return r; |
055d4066 ZJS |
1734 | if (r == 0) |
1735 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1736 | } |
1737 | ||
b7aa9589 | 1738 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1739 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1740 | if (r < 0) |
ebcf1f97 | 1741 | return r; |
055d4066 ZJS |
1742 | if (r == 0) |
1743 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1744 | } |
1745 | ||
b7aa9589 DM |
1746 | return 0; |
1747 | } | |
1748 | ||
1749 | static int method_do_shutdown_or_sleep( | |
1750 | Manager *m, | |
1751 | sd_bus_message *message, | |
1752 | const char *unit_name, | |
1753 | InhibitWhat w, | |
1754 | const char *action, | |
1755 | const char *action_multiple_sessions, | |
1756 | const char *action_ignore_inhibit, | |
1757 | const char *sleep_verb, | |
1758 | sd_bus_error *error) { | |
1759 | ||
1760 | int interactive, r; | |
1761 | ||
1762 | assert(m); | |
1763 | assert(message); | |
1764 | assert(unit_name); | |
1765 | assert(w >= 0); | |
1766 | assert(w <= _INHIBIT_WHAT_MAX); | |
1767 | ||
1768 | r = sd_bus_message_read(message, "b", &interactive); | |
1769 | if (r < 0) | |
1770 | return r; | |
1771 | ||
1772 | /* Don't allow multiple jobs being executed at the same time */ | |
1773 | if (m->action_what) | |
1774 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); | |
1775 | ||
1776 | if (sleep_verb) { | |
1777 | r = can_sleep(sleep_verb); | |
1778 | if (r < 0) | |
1779 | return r; | |
1780 | ||
1781 | if (r == 0) | |
1782 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); | |
1783 | } | |
1784 | ||
1785 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1786 | action_ignore_inhibit, error); | |
1787 | if (r != 0) | |
1788 | return r; | |
1789 | ||
ebcf1f97 | 1790 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1791 | if (r < 0) |
ebcf1f97 | 1792 | return r; |
d889a206 | 1793 | |
df2d202e | 1794 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1795 | } |
1796 | ||
19070062 | 1797 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1798 | Manager *m = userdata; |
1799 | ||
cc377381 LP |
1800 | return method_do_shutdown_or_sleep( |
1801 | m, message, | |
1802 | SPECIAL_POWEROFF_TARGET, | |
1803 | INHIBIT_SHUTDOWN, | |
1804 | "org.freedesktop.login1.power-off", | |
1805 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1806 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1807 | NULL, | |
ebcf1f97 | 1808 | error); |
cc377381 | 1809 | } |
88e3dc90 | 1810 | |
19070062 | 1811 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1812 | Manager *m = userdata; |
88e3dc90 | 1813 | |
cc377381 LP |
1814 | return method_do_shutdown_or_sleep( |
1815 | m, message, | |
1816 | SPECIAL_REBOOT_TARGET, | |
1817 | INHIBIT_SHUTDOWN, | |
1818 | "org.freedesktop.login1.reboot", | |
1819 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1820 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1821 | NULL, | |
ebcf1f97 | 1822 | error); |
cc377381 | 1823 | } |
88e3dc90 | 1824 | |
36b69c31 LP |
1825 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1826 | Manager *m = userdata; | |
1827 | ||
1828 | return method_do_shutdown_or_sleep( | |
1829 | m, message, | |
1830 | SPECIAL_HALT_TARGET, | |
1831 | INHIBIT_SHUTDOWN, | |
1832 | "org.freedesktop.login1.halt", | |
1833 | "org.freedesktop.login1.halt-multiple-sessions", | |
1834 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1835 | NULL, | |
1836 | error); | |
1837 | } | |
1838 | ||
19070062 | 1839 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1840 | Manager *m = userdata; |
88e3dc90 | 1841 | |
cc377381 LP |
1842 | return method_do_shutdown_or_sleep( |
1843 | m, message, | |
1844 | SPECIAL_SUSPEND_TARGET, | |
1845 | INHIBIT_SLEEP, | |
1846 | "org.freedesktop.login1.suspend", | |
1847 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1848 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1849 | "suspend", | |
ebcf1f97 | 1850 | error); |
cc377381 | 1851 | } |
88e3dc90 | 1852 | |
15e99a43 LP |
1853 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1854 | Manager *m = userdata; | |
1855 | ||
1856 | return method_do_shutdown_or_sleep( | |
1857 | m, message, | |
1858 | SPECIAL_HIBERNATE_TARGET, | |
1859 | INHIBIT_SLEEP, | |
1860 | "org.freedesktop.login1.hibernate", | |
1861 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1862 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1863 | "hibernate", | |
1864 | error); | |
1865 | } | |
1866 | ||
1867 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1868 | Manager *m = userdata; | |
1869 | ||
1870 | return method_do_shutdown_or_sleep( | |
1871 | m, message, | |
1872 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1873 | INHIBIT_SLEEP, | |
1874 | "org.freedesktop.login1.hibernate", | |
1875 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1876 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1877 | "hybrid-sleep", | |
1878 | error); | |
1879 | } | |
1880 | ||
867c37f6 DM |
1881 | static int nologin_timeout_handler( |
1882 | sd_event_source *s, | |
1883 | uint64_t usec, | |
1884 | void *userdata) { | |
1885 | ||
1886 | Manager *m = userdata; | |
1887 | int r; | |
1888 | ||
1889 | log_info("Creating /run/nologin, blocking further logins..."); | |
1890 | ||
716cff4b | 1891 | r = write_string_file_atomic_label("/run/nologin", "System is going down."); |
867c37f6 DM |
1892 | if (r < 0) |
1893 | log_error_errno(r, "Failed to create /run/nologin: %m"); | |
1894 | else | |
1895 | m->unlink_nologin = true; | |
1896 | ||
1897 | return 0; | |
1898 | } | |
1899 | ||
1900 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1901 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1902 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1903 | int r; |
867c37f6 DM |
1904 | |
1905 | assert(m); | |
1906 | ||
c31ad024 | 1907 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false); |
867c37f6 DM |
1908 | if (r < 0) |
1909 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1910 | ||
867c37f6 DM |
1911 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1912 | if (r < 0) | |
1913 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1914 | ||
1915 | (void) fchmod(fileno(f), 0644); | |
1916 | ||
1917 | fprintf(f, | |
1918 | "USEC="USEC_FMT"\n" | |
1919 | "WARN_WALL=%i\n" | |
1920 | "MODE=%s\n", | |
1921 | m->scheduled_shutdown_timeout, | |
1922 | m->enable_wall_messages, | |
1923 | m->scheduled_shutdown_type); | |
1924 | ||
91b3e7fb LP |
1925 | if (!isempty(m->wall_message)) { |
1926 | _cleanup_free_ char *t; | |
1927 | ||
1928 | t = cescape(m->wall_message); | |
1929 | if (!t) { | |
1930 | r = -ENOMEM; | |
1931 | goto fail; | |
1932 | } | |
1933 | ||
867c37f6 | 1934 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1935 | } |
867c37f6 | 1936 | |
dacd6cee LP |
1937 | r = fflush_and_check(f); |
1938 | if (r < 0) | |
1939 | goto fail; | |
867c37f6 | 1940 | |
dacd6cee | 1941 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1942 | r = -errno; |
dacd6cee | 1943 | goto fail; |
867c37f6 DM |
1944 | } |
1945 | ||
dacd6cee LP |
1946 | return 0; |
1947 | ||
1948 | fail: | |
1949 | (void) unlink(temp_path); | |
1950 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1951 | ||
1952 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1953 | } |
1954 | ||
df75a1a8 | 1955 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
1956 | assert(m); |
1957 | ||
df75a1a8 AJ |
1958 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
1959 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
1960 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 1961 | |
df75a1a8 AJ |
1962 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
1963 | m->scheduled_shutdown_timeout = 0; | |
1964 | m->shutdown_dry_run = false; | |
1965 | ||
1966 | if (m->unlink_nologin) { | |
1967 | (void) unlink("/run/nologin"); | |
1968 | m->unlink_nologin = false; | |
1969 | } | |
36b69c31 | 1970 | |
df75a1a8 AJ |
1971 | (void) unlink("/run/systemd/shutdown/scheduled"); |
1972 | } | |
1973 | ||
8aaa023a DM |
1974 | static int manager_scheduled_shutdown_handler( |
1975 | sd_event_source *s, | |
1976 | uint64_t usec, | |
1977 | void *userdata) { | |
1978 | ||
4afd3348 | 1979 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
1980 | Manager *m = userdata; |
1981 | const char *target; | |
1982 | int r; | |
1983 | ||
1984 | assert(m); | |
1985 | ||
1986 | if (isempty(m->scheduled_shutdown_type)) | |
1987 | return 0; | |
1988 | ||
36b69c31 | 1989 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 1990 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 1991 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 1992 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
1993 | else if (streq(m->scheduled_shutdown_type, "halt")) |
1994 | target = SPECIAL_HALT_TARGET; | |
1995 | else | |
1996 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 1997 | |
b498d6ea AJ |
1998 | /* Don't allow multiple jobs being executed at the same time */ |
1999 | if (m->action_what) { | |
6d7f7fd4 | 2000 | r = -EALREADY; |
b498d6ea | 2001 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2002 | goto error; |
b498d6ea AJ |
2003 | } |
2004 | ||
df75a1a8 AJ |
2005 | if (m->shutdown_dry_run) { |
2006 | /* We do not process delay inhibitors here. Otherwise, we | |
2007 | * would have to be considered "in progress" (like the check | |
2008 | * above) for some seconds after our admin has seen the final | |
2009 | * wall message. */ | |
2010 | ||
2011 | bus_manager_log_shutdown(m, target); | |
2012 | log_info("Running in dry run, suppressing action."); | |
2013 | reset_scheduled_shutdown(m); | |
2014 | ||
2015 | return 0; | |
2016 | } | |
2017 | ||
2018 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2019 | if (r < 0) { |
2020 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2021 | goto error; | |
2022 | } | |
8aaa023a DM |
2023 | |
2024 | return 0; | |
6d7f7fd4 AJ |
2025 | |
2026 | error: | |
2027 | reset_scheduled_shutdown(m); | |
2028 | return r; | |
8aaa023a DM |
2029 | } |
2030 | ||
19070062 | 2031 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2032 | Manager *m = userdata; |
4afd3348 | 2033 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2034 | const char *action_multiple_sessions = NULL; |
2035 | const char *action_ignore_inhibit = NULL; | |
2036 | const char *action = NULL; | |
2037 | uint64_t elapse; | |
2038 | char *type; | |
2039 | int r; | |
d13f5e16 | 2040 | bool dry_run = false; |
8aaa023a DM |
2041 | |
2042 | assert(m); | |
2043 | assert(message); | |
2044 | ||
2045 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2046 | if (r < 0) | |
2047 | return r; | |
2048 | ||
1389f4b9 DM |
2049 | if (startswith(type, "dry-")) { |
2050 | type += 4; | |
d13f5e16 | 2051 | dry_run = true; |
1389f4b9 DM |
2052 | } |
2053 | ||
36b69c31 LP |
2054 | if (streq(type, "poweroff")) { |
2055 | action = "org.freedesktop.login1.power-off"; | |
2056 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2057 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2058 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2059 | action = "org.freedesktop.login1.reboot"; |
2060 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2061 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2062 | } else if (streq(type, "halt")) { | |
2063 | action = "org.freedesktop.login1.halt"; | |
2064 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2065 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2066 | } else |
2067 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2068 | ||
2069 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2070 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2071 | if (r != 0) | |
2072 | return r; | |
2073 | ||
2074 | if (m->scheduled_shutdown_timeout_source) { | |
2075 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2076 | if (r < 0) | |
c2a23db0 | 2077 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2078 | |
2079 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2080 | if (r < 0) | |
c2a23db0 | 2081 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2082 | } else { |
2083 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2084 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2085 | if (r < 0) | |
c2a23db0 | 2086 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2087 | } |
2088 | ||
2089 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2090 | if (r < 0) { | |
2091 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2092 | return log_oom(); | |
2093 | } | |
2094 | ||
d13f5e16 LP |
2095 | m->shutdown_dry_run = dry_run; |
2096 | ||
867c37f6 DM |
2097 | if (m->nologin_timeout_source) { |
2098 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2099 | if (r < 0) | |
c2a23db0 | 2100 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2101 | |
2102 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2103 | if (r < 0) | |
c2a23db0 | 2104 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2105 | } else { |
2106 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2107 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2108 | if (r < 0) | |
c2a23db0 | 2109 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2110 | } |
2111 | ||
8aaa023a DM |
2112 | m->scheduled_shutdown_timeout = elapse; |
2113 | ||
e2fa5721 DM |
2114 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2115 | if (r >= 0) { | |
011062f3 | 2116 | const char *tty = NULL; |
e2fa5721 DM |
2117 | |
2118 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2119 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2120 | ||
2121 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2122 | if (r < 0) { | |
2123 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2124 | return log_oom(); | |
2125 | } | |
2126 | } | |
2127 | ||
2128 | r = manager_setup_wall_message_timer(m); | |
2129 | if (r < 0) | |
2130 | return r; | |
2131 | ||
f8169e62 AJ |
2132 | r = update_schedule_file(m); |
2133 | if (r < 0) | |
2134 | return r; | |
867c37f6 | 2135 | |
8aaa023a DM |
2136 | return sd_bus_reply_method_return(message, NULL); |
2137 | } | |
2138 | ||
19070062 | 2139 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2140 | Manager *m = userdata; |
2141 | bool cancelled; | |
2142 | ||
2143 | assert(m); | |
2144 | assert(message); | |
2145 | ||
2146 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2147 | reset_scheduled_shutdown(m); |
fb91034c | 2148 | |
e2fa5721 | 2149 | if (cancelled) { |
4afd3348 | 2150 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e2fa5721 DM |
2151 | const char *tty = NULL; |
2152 | uid_t uid = 0; | |
2153 | int r; | |
2154 | ||
2155 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2156 | if (r >= 0) { | |
2157 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2158 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2159 | } | |
2160 | ||
2161 | utmp_wall("The system shutdown has been cancelled", | |
d0260817 | 2162 | uid_to_name(uid), tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2163 | } |
2164 | ||
8aaa023a DM |
2165 | return sd_bus_reply_method_return(message, "b", cancelled); |
2166 | } | |
2167 | ||
cc377381 LP |
2168 | static int method_can_shutdown_or_sleep( |
2169 | Manager *m, | |
2170 | sd_bus_message *message, | |
2171 | InhibitWhat w, | |
2172 | const char *action, | |
2173 | const char *action_multiple_sessions, | |
2174 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2175 | const char *sleep_verb, |
2176 | sd_bus_error *error) { | |
de07ab16 | 2177 | |
4afd3348 | 2178 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2179 | bool multiple_sessions, challenge, blocked; |
2180 | const char *result = NULL; | |
2181 | uid_t uid; | |
2182 | int r; | |
de07ab16 | 2183 | |
cc377381 LP |
2184 | assert(m); |
2185 | assert(message); | |
2186 | assert(w >= 0); | |
2187 | assert(w <= _INHIBIT_WHAT_MAX); | |
2188 | assert(action); | |
2189 | assert(action_multiple_sessions); | |
2190 | assert(action_ignore_inhibit); | |
de07ab16 | 2191 | |
cc377381 LP |
2192 | if (sleep_verb) { |
2193 | r = can_sleep(sleep_verb); | |
de07ab16 | 2194 | if (r < 0) |
ebcf1f97 | 2195 | return r; |
cc377381 | 2196 | if (r == 0) |
df2d202e | 2197 | return sd_bus_reply_method_return(message, "s", "na"); |
cc377381 | 2198 | } |
de07ab16 | 2199 | |
05bae4a6 | 2200 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2201 | if (r < 0) |
2202 | return r; | |
2203 | ||
05bae4a6 | 2204 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2205 | if (r < 0) |
ebcf1f97 | 2206 | return r; |
de07ab16 | 2207 | |
cc377381 LP |
2208 | r = have_multiple_sessions(m, uid); |
2209 | if (r < 0) | |
ebcf1f97 | 2210 | return r; |
de07ab16 | 2211 | |
cc377381 | 2212 | multiple_sessions = r > 0; |
85a428c6 | 2213 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2214 | |
cc377381 | 2215 | if (multiple_sessions) { |
403ed0e5 | 2216 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2217 | if (r < 0) |
ebcf1f97 | 2218 | return r; |
bef422ae | 2219 | |
cc377381 LP |
2220 | if (r > 0) |
2221 | result = "yes"; | |
2222 | else if (challenge) | |
2223 | result = "challenge"; | |
2224 | else | |
2225 | result = "no"; | |
2226 | } | |
bef422ae | 2227 | |
cc377381 | 2228 | if (blocked) { |
403ed0e5 | 2229 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2230 | if (r < 0) |
ebcf1f97 | 2231 | return r; |
bef422ae | 2232 | |
cc377381 LP |
2233 | if (r > 0 && !result) |
2234 | result = "yes"; | |
2235 | else if (challenge && (!result || streq(result, "yes"))) | |
2236 | result = "challenge"; | |
2237 | else | |
2238 | result = "no"; | |
2239 | } | |
bef422ae | 2240 | |
cc377381 LP |
2241 | if (!multiple_sessions && !blocked) { |
2242 | /* If neither inhibit nor multiple sessions | |
2243 | * apply then just check the normal policy */ | |
bef422ae | 2244 | |
403ed0e5 | 2245 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2246 | if (r < 0) |
ebcf1f97 | 2247 | return r; |
bef422ae | 2248 | |
cc377381 LP |
2249 | if (r > 0) |
2250 | result = "yes"; | |
2251 | else if (challenge) | |
2252 | result = "challenge"; | |
2253 | else | |
2254 | result = "no"; | |
2255 | } | |
bef422ae | 2256 | |
df2d202e | 2257 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2258 | } |
bef422ae | 2259 | |
19070062 | 2260 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2261 | Manager *m = userdata; |
bef422ae | 2262 | |
cc377381 LP |
2263 | return method_can_shutdown_or_sleep( |
2264 | m, message, | |
2265 | INHIBIT_SHUTDOWN, | |
2266 | "org.freedesktop.login1.power-off", | |
2267 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2268 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2269 | NULL, |
2270 | error); | |
cc377381 | 2271 | } |
bef422ae | 2272 | |
19070062 | 2273 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2274 | Manager *m = userdata; |
bef422ae | 2275 | |
cc377381 LP |
2276 | return method_can_shutdown_or_sleep( |
2277 | m, message, | |
2278 | INHIBIT_SHUTDOWN, | |
2279 | "org.freedesktop.login1.reboot", | |
2280 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2281 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2282 | NULL, |
2283 | error); | |
cc377381 | 2284 | } |
bef422ae | 2285 | |
36b69c31 LP |
2286 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2287 | Manager *m = userdata; | |
2288 | ||
2289 | return method_can_shutdown_or_sleep( | |
2290 | m, message, | |
2291 | INHIBIT_SHUTDOWN, | |
2292 | "org.freedesktop.login1.halt", | |
2293 | "org.freedesktop.login1.halt-multiple-sessions", | |
2294 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2295 | NULL, | |
2296 | error); | |
2297 | } | |
2298 | ||
19070062 | 2299 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2300 | Manager *m = userdata; |
7f7bb946 | 2301 | |
cc377381 LP |
2302 | return method_can_shutdown_or_sleep( |
2303 | m, message, | |
2304 | INHIBIT_SLEEP, | |
2305 | "org.freedesktop.login1.suspend", | |
2306 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2307 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2308 | "suspend", |
2309 | error); | |
cc377381 | 2310 | } |
7f7bb946 | 2311 | |
19070062 | 2312 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2313 | Manager *m = userdata; |
02b16a19 | 2314 | |
cc377381 LP |
2315 | return method_can_shutdown_or_sleep( |
2316 | m, message, | |
2317 | INHIBIT_SLEEP, | |
2318 | "org.freedesktop.login1.hibernate", | |
2319 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2320 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2321 | "hibernate", |
2322 | error); | |
cc377381 | 2323 | } |
7f7bb946 | 2324 | |
19070062 | 2325 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2326 | Manager *m = userdata; |
7f7bb946 | 2327 | |
cc377381 LP |
2328 | return method_can_shutdown_or_sleep( |
2329 | m, message, | |
2330 | INHIBIT_SLEEP, | |
2331 | "org.freedesktop.login1.hibernate", | |
2332 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2333 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2334 | "hybrid-sleep", |
2335 | error); | |
cc377381 | 2336 | } |
38f3fc7d | 2337 | |
5bdf2243 JJ |
2338 | static int property_get_reboot_to_firmware_setup( |
2339 | sd_bus *bus, | |
2340 | const char *path, | |
2341 | const char *interface, | |
2342 | const char *property, | |
2343 | sd_bus_message *reply, | |
2344 | void *userdata, | |
2345 | sd_bus_error *error) { | |
2346 | int r; | |
2347 | ||
2348 | assert(bus); | |
2349 | assert(reply); | |
2350 | assert(userdata); | |
2351 | ||
2352 | r = efi_get_reboot_to_firmware(); | |
2353 | if (r < 0 && r != -EOPNOTSUPP) | |
2354 | return r; | |
2355 | ||
2356 | return sd_bus_message_append(reply, "b", r > 0); | |
2357 | } | |
2358 | ||
2359 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2360 | sd_bus_message *message, |
2361 | void *userdata, | |
2362 | sd_bus_error *error) { | |
2363 | ||
2364 | int b, r; | |
5bdf2243 JJ |
2365 | Manager *m = userdata; |
2366 | ||
5bdf2243 JJ |
2367 | assert(message); |
2368 | assert(m); | |
2369 | ||
889f25b2 | 2370 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2371 | if (r < 0) |
2372 | return r; | |
2373 | ||
2374 | r = bus_verify_polkit_async(message, | |
2375 | CAP_SYS_ADMIN, | |
2376 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2377 | NULL, |
889f25b2 | 2378 | false, |
5bdf2243 JJ |
2379 | UID_INVALID, |
2380 | &m->polkit_registry, | |
2381 | error); | |
2382 | if (r < 0) | |
2383 | return r; | |
2384 | if (r == 0) | |
2385 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2386 | ||
2387 | r = efi_set_reboot_to_firmware(b); | |
2388 | if (r < 0) | |
2389 | return r; | |
2390 | ||
2391 | return sd_bus_reply_method_return(message, NULL); | |
2392 | } | |
2393 | ||
2394 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2395 | sd_bus_message *message, |
2396 | void *userdata, | |
2397 | sd_bus_error *error) { | |
2398 | ||
2399 | int r; | |
2400 | bool challenge; | |
2401 | const char *result; | |
2402 | Manager *m = userdata; | |
2403 | ||
5bdf2243 JJ |
2404 | assert(message); |
2405 | assert(m); | |
2406 | ||
2407 | r = efi_reboot_to_firmware_supported(); | |
2408 | if (r == -EOPNOTSUPP) | |
2409 | return sd_bus_reply_method_return(message, "s", "na"); | |
2410 | else if (r < 0) | |
2411 | return r; | |
2412 | ||
2413 | r = bus_test_polkit(message, | |
2414 | CAP_SYS_ADMIN, | |
2415 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2416 | NULL, |
5bdf2243 JJ |
2417 | UID_INVALID, |
2418 | &challenge, | |
2419 | error); | |
2420 | if (r < 0) | |
2421 | return r; | |
2422 | ||
2423 | if (r > 0) | |
2424 | result = "yes"; | |
2425 | else if (challenge) | |
2426 | result = "challenge"; | |
2427 | else | |
2428 | result = "no"; | |
2429 | ||
2430 | return sd_bus_reply_method_return(message, "s", result); | |
2431 | } | |
2432 | ||
9ef15026 JS |
2433 | static int method_set_wall_message( |
2434 | sd_bus_message *message, | |
2435 | void *userdata, | |
2436 | sd_bus_error *error) { | |
2437 | ||
2438 | int r; | |
2439 | Manager *m = userdata; | |
2440 | char *wall_message; | |
2cf088b5 | 2441 | int enable_wall_messages; |
9ef15026 JS |
2442 | |
2443 | assert(message); | |
2444 | assert(m); | |
2445 | ||
2446 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2447 | if (r < 0) | |
2448 | return r; | |
2449 | ||
2450 | r = bus_verify_polkit_async(message, | |
2451 | CAP_SYS_ADMIN, | |
2452 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2453 | NULL, |
9ef15026 JS |
2454 | false, |
2455 | UID_INVALID, | |
2456 | &m->polkit_registry, | |
2457 | error); | |
9ef15026 JS |
2458 | if (r < 0) |
2459 | return r; | |
2460 | if (r == 0) | |
2461 | return 1; /* Will call us back */ | |
2462 | ||
28a9ec44 ZJS |
2463 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
2464 | if (r < 0) | |
2465 | return log_oom(); | |
5744f59a | 2466 | |
9ef15026 JS |
2467 | m->enable_wall_messages = enable_wall_messages; |
2468 | ||
2469 | return sd_bus_reply_method_return(message, NULL); | |
2470 | } | |
2471 | ||
19070062 | 2472 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 2473 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2474 | const char *who, *why, *what, *mode; |
2475 | _cleanup_free_ char *id = NULL; | |
2476 | _cleanup_close_ int fifo_fd = -1; | |
2477 | Manager *m = userdata; | |
2478 | Inhibitor *i = NULL; | |
2479 | InhibitMode mm; | |
2480 | InhibitWhat w; | |
2481 | pid_t pid; | |
2482 | uid_t uid; | |
2483 | int r; | |
7f7bb946 | 2484 | |
cc377381 LP |
2485 | assert(message); |
2486 | assert(m); | |
38f3fc7d | 2487 | |
cc377381 LP |
2488 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
2489 | if (r < 0) | |
ebcf1f97 | 2490 | return r; |
38f3fc7d | 2491 | |
cc377381 LP |
2492 | w = inhibit_what_from_string(what); |
2493 | if (w <= 0) | |
ebcf1f97 | 2494 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 2495 | |
cc377381 LP |
2496 | mm = inhibit_mode_from_string(mode); |
2497 | if (mm < 0) | |
ebcf1f97 | 2498 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 2499 | |
cc377381 LP |
2500 | /* Delay is only supported for shutdown/sleep */ |
2501 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 2502 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 2503 | |
cc377381 LP |
2504 | /* Don't allow taking delay locks while we are already |
2505 | * executing the operation. We shouldn't create the impression | |
2506 | * that the lock was successful if the machine is about to go | |
2507 | * down/suspend any moment. */ | |
2508 | if (m->action_what & w) | |
ebcf1f97 | 2509 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 2510 | |
c529695e LP |
2511 | r = bus_verify_polkit_async( |
2512 | message, | |
2513 | CAP_SYS_BOOT, | |
2514 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
2515 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
2516 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
2517 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
2518 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
2519 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
2520 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 2521 | NULL, |
c529695e LP |
2522 | false, |
2523 | UID_INVALID, | |
2524 | &m->polkit_registry, | |
2525 | error); | |
cc377381 | 2526 | if (r < 0) |
ebcf1f97 | 2527 | return r; |
cc377381 LP |
2528 | if (r == 0) |
2529 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 2530 | |
05bae4a6 | 2531 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
2532 | if (r < 0) |
2533 | return r; | |
2534 | ||
05bae4a6 | 2535 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2536 | if (r < 0) |
ebcf1f97 | 2537 | return r; |
7f7bb946 | 2538 | |
5b12334d | 2539 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 2540 | if (r < 0) |
ebcf1f97 | 2541 | return r; |
47a26690 | 2542 | |
c5a11ae2 LP |
2543 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
2544 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
2545 | ||
cc377381 | 2546 | do { |
97b11eed | 2547 | id = mfree(id); |
47a26690 | 2548 | |
cc377381 | 2549 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 2550 | return -ENOMEM; |
47a26690 | 2551 | |
cc377381 | 2552 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 2553 | |
cc377381 LP |
2554 | r = manager_add_inhibitor(m, id, &i); |
2555 | if (r < 0) | |
ebcf1f97 | 2556 | return r; |
47a26690 | 2557 | |
cc377381 LP |
2558 | i->what = w; |
2559 | i->mode = mm; | |
2560 | i->pid = pid; | |
2561 | i->uid = uid; | |
2562 | i->why = strdup(why); | |
2563 | i->who = strdup(who); | |
7f7bb946 | 2564 | |
cc377381 | 2565 | if (!i->why || !i->who) { |
ebcf1f97 | 2566 | r = -ENOMEM; |
cc377381 LP |
2567 | goto fail; |
2568 | } | |
b668e064 | 2569 | |
cc377381 LP |
2570 | fifo_fd = inhibitor_create_fifo(i); |
2571 | if (fifo_fd < 0) { | |
ebcf1f97 | 2572 | r = fifo_fd; |
cc377381 LP |
2573 | goto fail; |
2574 | } | |
b668e064 | 2575 | |
cc377381 | 2576 | inhibitor_start(i); |
b668e064 | 2577 | |
df2d202e | 2578 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 2579 | |
cc377381 LP |
2580 | fail: |
2581 | if (i) | |
2582 | inhibitor_free(i); | |
89f13440 | 2583 | |
cc377381 LP |
2584 | return r; |
2585 | } | |
3f49d45a | 2586 | |
cc377381 LP |
2587 | const sd_bus_vtable manager_vtable[] = { |
2588 | SD_BUS_VTABLE_START(0), | |
2589 | ||
e2fa5721 DM |
2590 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
2591 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
2592 | ||
556089dc LP |
2593 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
2594 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2595 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2596 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
5bdf2243 | 2597 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 LP |
2598 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
2599 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2600 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2601 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2602 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
2603 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2604 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2605 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2606 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2607 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
3c56cab4 | 2608 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 2609 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2610 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
2611 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
2612 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
2613 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 2614 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 2615 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
6d97d3c6 LP |
2616 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
2617 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), | |
c5a11ae2 LP |
2618 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2619 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0), | |
183e0738 LP |
2620 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2621 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0), | |
6d97d3c6 | 2622 | SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 | 2623 | |
adacb957 LP |
2624 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2625 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2626 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2627 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2628 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
2629 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2630 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
2631 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
2632 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 2633 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 2634 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
2635 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2636 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
2637 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2638 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2639 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2640 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2641 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2642 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2643 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2644 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2645 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
2646 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
2647 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
2648 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
2649 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2650 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2651 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2652 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2653 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2654 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
2655 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2656 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2657 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2658 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2659 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2660 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
559b5cc2 LP |
2661 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
2662 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 2663 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 2664 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 2665 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
9ef15026 | 2666 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
2667 | |
2668 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
2669 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
2670 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
2671 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
2672 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
2673 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
2674 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
2675 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
2676 | ||
2677 | SD_BUS_VTABLE_END | |
2678 | }; | |
3f49d45a | 2679 | |
99e7e392 DH |
2680 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
2681 | int r = 0; | |
2682 | ||
2683 | assert(s); | |
2684 | assert(unit); | |
2685 | ||
2686 | if (!s->started) | |
2687 | return r; | |
2688 | ||
2689 | if (streq(result, "done")) | |
2690 | r = session_send_create_reply(s, NULL); | |
2691 | else { | |
4afd3348 | 2692 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 DH |
2693 | |
2694 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); | |
2695 | r = session_send_create_reply(s, &e); | |
2696 | } | |
2697 | ||
2698 | return r; | |
2699 | } | |
2700 | ||
19070062 | 2701 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2702 | const char *path, *result, *unit; |
2703 | Manager *m = userdata; | |
2704 | Session *session; | |
2705 | uint32_t id; | |
2706 | User *user; | |
2707 | int r; | |
3f49d45a | 2708 | |
cc377381 LP |
2709 | assert(message); |
2710 | assert(m); | |
3f49d45a | 2711 | |
cc377381 LP |
2712 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
2713 | if (r < 0) { | |
ebcf1f97 | 2714 | bus_log_parse_error(r); |
65d73cf0 | 2715 | return 0; |
cc377381 | 2716 | } |
3f49d45a | 2717 | |
cc377381 | 2718 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 2719 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 2720 | |
cc377381 LP |
2721 | /* Tell people that they now may take a lock again */ |
2722 | send_prepare_for(m, m->action_what, false); | |
3f49d45a | 2723 | |
491ac9f2 | 2724 | m->action_job = mfree(m->action_job); |
cc377381 LP |
2725 | m->action_unit = NULL; |
2726 | m->action_what = 0; | |
2727 | return 0; | |
2728 | } | |
3f49d45a | 2729 | |
cc377381 | 2730 | session = hashmap_get(m->session_units, unit); |
2f157acd DH |
2731 | if (session && streq_ptr(path, session->scope_job)) { |
2732 | session->scope_job = mfree(session->scope_job); | |
99e7e392 | 2733 | session_jobs_reply(session, unit, result); |
3f49d45a | 2734 | |
99e7e392 | 2735 | session_save(session); |
41dfeaa1 | 2736 | user_save(session->user); |
cc377381 LP |
2737 | session_add_to_gc_queue(session); |
2738 | } | |
3f49d45a | 2739 | |
cc377381 | 2740 | user = hashmap_get(m->user_units, unit); |
2f157acd DH |
2741 | if (user && |
2742 | (streq_ptr(path, user->service_job) || | |
2743 | streq_ptr(path, user->slice_job))) { | |
3f49d45a | 2744 | |
491ac9f2 LP |
2745 | if (streq_ptr(path, user->service_job)) |
2746 | user->service_job = mfree(user->service_job); | |
3f49d45a | 2747 | |
491ac9f2 LP |
2748 | if (streq_ptr(path, user->slice_job)) |
2749 | user->slice_job = mfree(user->slice_job); | |
3f49d45a | 2750 | |
491ac9f2 | 2751 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
99e7e392 | 2752 | session_jobs_reply(session, unit, result); |
dd9b67aa | 2753 | |
cc377381 LP |
2754 | user_save(user); |
2755 | user_add_to_gc_queue(user); | |
3f49d45a LP |
2756 | } |
2757 | ||
cc377381 | 2758 | return 0; |
3f49d45a LP |
2759 | } |
2760 | ||
19070062 | 2761 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2762 | const char *path, *unit; |
1713813d | 2763 | Manager *m = userdata; |
cc377381 LP |
2764 | Session *session; |
2765 | User *user; | |
2766 | int r; | |
1713813d | 2767 | |
1713813d | 2768 | assert(message); |
cc377381 | 2769 | assert(m); |
1713813d | 2770 | |
cc377381 LP |
2771 | r = sd_bus_message_read(message, "so", &unit, &path); |
2772 | if (r < 0) { | |
ebcf1f97 | 2773 | bus_log_parse_error(r); |
65d73cf0 | 2774 | return 0; |
cc377381 | 2775 | } |
fb6becb4 | 2776 | |
cc377381 LP |
2777 | session = hashmap_get(m->session_units, unit); |
2778 | if (session) | |
2779 | session_add_to_gc_queue(session); | |
fb6becb4 | 2780 | |
cc377381 LP |
2781 | user = hashmap_get(m->user_units, unit); |
2782 | if (user) | |
2783 | user_add_to_gc_queue(user); | |
fb6becb4 | 2784 | |
cc377381 LP |
2785 | return 0; |
2786 | } | |
fb6becb4 | 2787 | |
19070062 | 2788 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2789 | _cleanup_free_ char *unit = NULL; |
2790 | Manager *m = userdata; | |
2791 | const char *path; | |
2792 | Session *session; | |
2793 | User *user; | |
ebcf1f97 | 2794 | int r; |
fb6becb4 | 2795 | |
cc377381 LP |
2796 | assert(message); |
2797 | assert(m); | |
fb6becb4 | 2798 | |
cc377381 LP |
2799 | path = sd_bus_message_get_path(message); |
2800 | if (!path) | |
2801 | return 0; | |
fb6becb4 | 2802 | |
ebcf1f97 | 2803 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
2804 | if (r == -EINVAL) /* not a unit */ |
2805 | return 0; | |
65d73cf0 LP |
2806 | if (r < 0) { |
2807 | log_oom(); | |
2808 | return 0; | |
2809 | } | |
fb6becb4 | 2810 | |
cc377381 LP |
2811 | session = hashmap_get(m->session_units, unit); |
2812 | if (session) | |
2813 | session_add_to_gc_queue(session); | |
fb6becb4 | 2814 | |
cc377381 LP |
2815 | user = hashmap_get(m->user_units, unit); |
2816 | if (user) | |
2817 | user_add_to_gc_queue(user); | |
fb6becb4 | 2818 | |
cc377381 LP |
2819 | return 0; |
2820 | } | |
6fa48533 | 2821 | |
19070062 | 2822 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2823 | Manager *m = userdata; |
2824 | Session *session; | |
2825 | Iterator i; | |
2826 | int b, r; | |
943aca8e | 2827 | |
19070062 LP |
2828 | assert(message); |
2829 | assert(m); | |
943aca8e | 2830 | |
cc377381 LP |
2831 | r = sd_bus_message_read(message, "b", &b); |
2832 | if (r < 0) { | |
ebcf1f97 | 2833 | bus_log_parse_error(r); |
65d73cf0 | 2834 | return 0; |
cc377381 | 2835 | } |
943aca8e | 2836 | |
cc377381 LP |
2837 | if (b) |
2838 | return 0; | |
943aca8e | 2839 | |
cc377381 LP |
2840 | /* systemd finished reloading, let's recheck all our sessions */ |
2841 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2842 | |
cc377381 LP |
2843 | HASHMAP_FOREACH(session, m->sessions, i) |
2844 | session_add_to_gc_queue(session); | |
6797c324 | 2845 | |
cc377381 LP |
2846 | return 0; |
2847 | } | |
943aca8e | 2848 | |
cc377381 LP |
2849 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2850 | char **l; | |
9418f147 LP |
2851 | |
2852 | assert(manager); | |
2853 | ||
cc377381 | 2854 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2855 | |
cc377381 LP |
2856 | return sd_bus_emit_properties_changed_strv( |
2857 | manager->bus, | |
2858 | "/org/freedesktop/login1", | |
2859 | "org.freedesktop.login1.Manager", | |
2860 | l); | |
9418f147 | 2861 | } |
eecd1362 | 2862 | |
2adae5ac ZJS |
2863 | static int strdup_job(sd_bus_message *reply, char **job) { |
2864 | const char *j; | |
2865 | char *copy; | |
2866 | int r; | |
2867 | ||
2868 | r = sd_bus_message_read(reply, "o", &j); | |
2869 | if (r < 0) | |
2870 | return r; | |
2871 | ||
2872 | copy = strdup(j); | |
2873 | if (!copy) | |
2874 | return -ENOMEM; | |
2875 | ||
2876 | *job = copy; | |
2877 | return 1; | |
2878 | } | |
2879 | ||
90558f31 LP |
2880 | int manager_start_slice( |
2881 | Manager *manager, | |
2882 | const char *slice, | |
2883 | const char *description, | |
2884 | const char *after, | |
2885 | const char *after2, | |
2886 | uint64_t tasks_max, | |
2887 | sd_bus_error *error, | |
2888 | char **job) { | |
2889 | ||
4afd3348 | 2890 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
90558f31 LP |
2891 | int r; |
2892 | ||
2893 | assert(manager); | |
2894 | assert(slice); | |
2adae5ac | 2895 | assert(job); |
90558f31 LP |
2896 | |
2897 | r = sd_bus_message_new_method_call( | |
2898 | manager->bus, | |
2899 | &m, | |
2900 | "org.freedesktop.systemd1", | |
2901 | "/org/freedesktop/systemd1", | |
2902 | "org.freedesktop.systemd1.Manager", | |
2903 | "StartTransientUnit"); | |
2904 | if (r < 0) | |
2905 | return r; | |
2906 | ||
2907 | r = sd_bus_message_append(m, "ss", strempty(slice), "fail"); | |
2908 | if (r < 0) | |
2909 | return r; | |
2910 | ||
2911 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
2912 | if (r < 0) | |
2913 | return r; | |
2914 | ||
2915 | if (!isempty(description)) { | |
2916 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); | |
2917 | if (r < 0) | |
2918 | return r; | |
2919 | } | |
2920 | ||
2921 | if (!isempty(after)) { | |
2922 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); | |
2923 | if (r < 0) | |
2924 | return r; | |
2925 | } | |
2926 | ||
2927 | if (!isempty(after2)) { | |
2928 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
2929 | if (r < 0) | |
2930 | return r; | |
2931 | } | |
2932 | ||
2933 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); | |
2934 | if (r < 0) | |
2935 | return r; | |
2936 | ||
2937 | r = sd_bus_message_close_container(m); | |
2938 | if (r < 0) | |
2939 | return r; | |
2940 | ||
2941 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
2942 | if (r < 0) | |
2943 | return r; | |
2944 | ||
2945 | r = sd_bus_call(manager->bus, m, 0, error, &reply); | |
2946 | if (r < 0) | |
2947 | return r; | |
2948 | ||
2adae5ac | 2949 | return strdup_job(reply, job); |
90558f31 LP |
2950 | } |
2951 | ||
fb6becb4 LP |
2952 | int manager_start_scope( |
2953 | Manager *manager, | |
2954 | const char *scope, | |
2955 | pid_t pid, | |
2956 | const char *slice, | |
2957 | const char *description, | |
90558f31 LP |
2958 | const char *after, |
2959 | const char *after2, | |
2960 | uint64_t tasks_max, | |
cc377381 | 2961 | sd_bus_error *error, |
fb6becb4 LP |
2962 | char **job) { |
2963 | ||
4afd3348 | 2964 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
cc377381 | 2965 | int r; |
fb6becb4 LP |
2966 | |
2967 | assert(manager); | |
2968 | assert(scope); | |
2969 | assert(pid > 1); | |
2adae5ac | 2970 | assert(job); |
fb6becb4 | 2971 | |
cc377381 LP |
2972 | r = sd_bus_message_new_method_call( |
2973 | manager->bus, | |
151b9b96 | 2974 | &m, |
fb6becb4 LP |
2975 | "org.freedesktop.systemd1", |
2976 | "/org/freedesktop/systemd1", | |
2977 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 2978 | "StartTransientUnit"); |
cc377381 LP |
2979 | if (r < 0) |
2980 | return r; | |
fb6becb4 | 2981 | |
cc377381 LP |
2982 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
2983 | if (r < 0) | |
2984 | return r; | |
fb6becb4 | 2985 | |
cc377381 LP |
2986 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
2987 | if (r < 0) | |
2988 | return r; | |
fb6becb4 LP |
2989 | |
2990 | if (!isempty(slice)) { | |
cc377381 LP |
2991 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
2992 | if (r < 0) | |
2993 | return r; | |
fb6becb4 LP |
2994 | } |
2995 | ||
2996 | if (!isempty(description)) { | |
cc377381 LP |
2997 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
2998 | if (r < 0) | |
2999 | return r; | |
fb6becb4 LP |
3000 | } |
3001 | ||
ba4c5d93 | 3002 | if (!isempty(after)) { |
cc377381 LP |
3003 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); |
3004 | if (r < 0) | |
3005 | return r; | |
7fb3ee51 LP |
3006 | } |
3007 | ||
ba4c5d93 LP |
3008 | if (!isempty(after2)) { |
3009 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
3010 | if (r < 0) | |
3011 | return r; | |
3012 | } | |
3013 | ||
fb6becb4 LP |
3014 | /* cgroup empty notification is not available in containers |
3015 | * currently. To make this less problematic, let's shorten the | |
3016 | * stop timeout for sessions, so that we don't wait | |
3017 | * forever. */ | |
3018 | ||
743e8945 LP |
3019 | /* Make sure that the session shells are terminated with |
3020 | * SIGHUP since bash and friends tend to ignore SIGTERM */ | |
cc377381 LP |
3021 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3022 | if (r < 0) | |
3023 | return r; | |
3024 | ||
3025 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3026 | if (r < 0) | |
3027 | return r; | |
3028 | ||
90558f31 LP |
3029 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); |
3030 | if (r < 0) | |
3031 | return r; | |
3032 | ||
cc377381 LP |
3033 | r = sd_bus_message_close_container(m); |
3034 | if (r < 0) | |
3035 | return r; | |
86b8d289 LP |
3036 | |
3037 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3038 | if (r < 0) | |
3039 | return r; | |
cc377381 | 3040 | |
c49b30a2 | 3041 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3042 | if (r < 0) |
3043 | return r; | |
fb6becb4 | 3044 | |
2adae5ac | 3045 | return strdup_job(reply, job); |
fb6becb4 LP |
3046 | } |
3047 | ||
cc377381 | 3048 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3049 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3050 | int r; |
3051 | ||
3052 | assert(manager); | |
3053 | assert(unit); | |
2adae5ac | 3054 | assert(job); |
fb6becb4 | 3055 | |
cc377381 | 3056 | r = sd_bus_call_method( |
fb6becb4 LP |
3057 | manager->bus, |
3058 | "org.freedesktop.systemd1", | |
3059 | "/org/freedesktop/systemd1", | |
3060 | "org.freedesktop.systemd1.Manager", | |
3061 | "StartUnit", | |
fb6becb4 | 3062 | error, |
cc377381 | 3063 | &reply, |
79ee4ad1 | 3064 | "ss", unit, "replace"); |
cc377381 | 3065 | if (r < 0) |
fb6becb4 | 3066 | return r; |
fb6becb4 | 3067 | |
2adae5ac | 3068 | return strdup_job(reply, job); |
fb6becb4 LP |
3069 | } |
3070 | ||
cc377381 | 3071 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3072 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3073 | int r; |
3074 | ||
3075 | assert(manager); | |
3076 | assert(unit); | |
2adae5ac | 3077 | assert(job); |
fb6becb4 | 3078 | |
cc377381 | 3079 | r = sd_bus_call_method( |
fb6becb4 LP |
3080 | manager->bus, |
3081 | "org.freedesktop.systemd1", | |
3082 | "/org/freedesktop/systemd1", | |
3083 | "org.freedesktop.systemd1.Manager", | |
3084 | "StopUnit", | |
fb6becb4 | 3085 | error, |
cc377381 LP |
3086 | &reply, |
3087 | "ss", unit, "fail"); | |
fb6becb4 | 3088 | if (r < 0) { |
cc377381 LP |
3089 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3090 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3091 | |
2adae5ac | 3092 | *job = NULL; |
cc377381 | 3093 | sd_bus_error_free(error); |
6797c324 LP |
3094 | return 0; |
3095 | } | |
3096 | ||
fb6becb4 LP |
3097 | return r; |
3098 | } | |
3099 | ||
2adae5ac | 3100 | return strdup_job(reply, job); |
fb6becb4 LP |
3101 | } |
3102 | ||
5f41d1f1 | 3103 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) { |
5f41d1f1 LP |
3104 | _cleanup_free_ char *path = NULL; |
3105 | int r; | |
3106 | ||
3107 | assert(manager); | |
3108 | assert(scope); | |
3109 | ||
3110 | path = unit_dbus_path_from_name(scope); | |
3111 | if (!path) | |
3112 | return -ENOMEM; | |
3113 | ||
3114 | r = sd_bus_call_method( | |
3115 | manager->bus, | |
3116 | "org.freedesktop.systemd1", | |
3117 | path, | |
3118 | "org.freedesktop.systemd1.Scope", | |
3119 | "Abandon", | |
3120 | error, | |
3121 | NULL, | |
3122 | NULL); | |
3123 | if (r < 0) { | |
3124 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || | |
4e2f8d27 LP |
3125 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) || |
3126 | sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) { | |
5f41d1f1 LP |
3127 | sd_bus_error_free(error); |
3128 | return 0; | |
3129 | } | |
3130 | ||
3131 | return r; | |
3132 | } | |
3133 | ||
3134 | return 1; | |
3135 | } | |
3136 | ||
cc377381 | 3137 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3138 | assert(manager); |
3139 | assert(unit); | |
3140 | ||
cc377381 | 3141 | return sd_bus_call_method( |
fb6becb4 LP |
3142 | manager->bus, |
3143 | "org.freedesktop.systemd1", | |
3144 | "/org/freedesktop/systemd1", | |
3145 | "org.freedesktop.systemd1.Manager", | |
3146 | "KillUnit", | |
fb6becb4 | 3147 | error, |
cc377381 LP |
3148 | NULL, |
3149 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3150 | } |
3151 | ||
3152 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
3153 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3154 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3155 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3156 | const char *state; |
fb6becb4 LP |
3157 | int r; |
3158 | ||
3159 | assert(manager); | |
3160 | assert(unit); | |
3161 | ||
fb6becb4 LP |
3162 | path = unit_dbus_path_from_name(unit); |
3163 | if (!path) | |
3164 | return -ENOMEM; | |
3165 | ||
cc377381 | 3166 | r = sd_bus_get_property( |
fb6becb4 LP |
3167 | manager->bus, |
3168 | "org.freedesktop.systemd1", | |
3169 | path, | |
cc377381 LP |
3170 | "org.freedesktop.systemd1.Unit", |
3171 | "ActiveState", | |
fb6becb4 | 3172 | &error, |
cc377381 LP |
3173 | &reply, |
3174 | "s"); | |
fb6becb4 | 3175 | if (r < 0) { |
cc377381 LP |
3176 | /* systemd might have droppped off momentarily, let's |
3177 | * not make this an error */ | |
3178 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3179 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3180 | return true; |
6797c324 | 3181 | |
cc377381 LP |
3182 | /* If the unit is already unloaded then it's not |
3183 | * active */ | |
3184 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3185 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3186 | return false; |
6797c324 | 3187 | |
fb6becb4 LP |
3188 | return r; |
3189 | } | |
3190 | ||
cc377381 LP |
3191 | r = sd_bus_message_read(reply, "s", &state); |
3192 | if (r < 0) | |
fb6becb4 | 3193 | return -EINVAL; |
fb6becb4 | 3194 | |
cc377381 LP |
3195 | return !streq(state, "inactive") && !streq(state, "failed"); |
3196 | } | |
3197 | ||
3198 | int manager_job_is_active(Manager *manager, const char *path) { | |
4afd3348 LP |
3199 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3200 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3201 | int r; |
3202 | ||
3203 | assert(manager); | |
3204 | assert(path); | |
3205 | ||
3206 | r = sd_bus_get_property( | |
3207 | manager->bus, | |
3208 | "org.freedesktop.systemd1", | |
3209 | path, | |
3210 | "org.freedesktop.systemd1.Job", | |
3211 | "State", | |
3212 | &error, | |
3213 | &reply, | |
3214 | "s"); | |
3215 | if (r < 0) { | |
3216 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3217 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3218 | return true; | |
3219 | ||
3220 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3221 | return false; | |
3222 | ||
3223 | return r; | |
fb6becb4 LP |
3224 | } |
3225 | ||
cc377381 LP |
3226 | /* We don't actually care about the state really. The fact |
3227 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3228 | |
cc377381 | 3229 | return true; |
fb6becb4 | 3230 | } |