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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 | |
aeb07570 AJ |
53 | static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) { |
54 | ||
4afd3348 | 55 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
aeb07570 | 56 | const char *name; |
309a29df LP |
57 | Session *session; |
58 | int r; | |
59 | ||
7b33c622 AJ |
60 | /* Get client login session. This is not what you are looking for these days, |
61 | * as apps may instead belong to a user service unit. This includes terminal | |
62 | * emulators and hence command-line apps. */ | |
aeb07570 AJ |
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); | |
68 | if (r == -ENXIO) | |
69 | goto err_no_session; | |
70 | if (r < 0) | |
71 | return r; | |
72 | ||
73 | session = hashmap_get(m->sessions, name); | |
74 | if (!session) | |
75 | goto err_no_session; | |
76 | ||
77 | *ret = session; | |
78 | return 0; | |
79 | ||
80 | err_no_session: | |
81 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
82 | "Caller does not belong to any known session"); | |
83 | } | |
84 | ||
85 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { | |
86 | Session *session; | |
87 | ||
309a29df LP |
88 | assert(m); |
89 | assert(message); | |
90 | assert(ret); | |
91 | ||
aeb07570 AJ |
92 | if (isempty(name)) |
93 | return get_sender_session(m, message, error, ret); | |
309a29df LP |
94 | |
95 | session = hashmap_get(m->sessions, name); | |
96 | if (!session) | |
97 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
98 | ||
99 | *ret = session; | |
100 | return 0; | |
101 | } | |
102 | ||
aeb07570 AJ |
103 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
104 | ||
105 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
106 | uid_t uid; | |
309a29df LP |
107 | User *user; |
108 | int r; | |
109 | ||
aeb07570 AJ |
110 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
111 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
112 | if (r < 0) | |
113 | return r; | |
114 | ||
115 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
116 | if (r == -ENXIO) | |
117 | goto err_no_user; | |
118 | if (r < 0) | |
119 | return r; | |
120 | ||
121 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
122 | if (!user) | |
123 | goto err_no_user; | |
124 | ||
125 | *ret = user; | |
126 | return 0; | |
127 | ||
128 | err_no_user: | |
095b8833 | 129 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user"); |
aeb07570 AJ |
130 | } |
131 | ||
132 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
133 | User *user; | |
134 | ||
309a29df LP |
135 | assert(m); |
136 | assert(message); | |
137 | assert(ret); | |
138 | ||
aeb07570 AJ |
139 | if (!uid_is_valid(uid)) |
140 | return get_sender_user(m, message, error, ret); | |
309a29df | 141 | |
8cb4ab00 | 142 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 143 | if (!user) |
095b8833 | 144 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid); |
309a29df LP |
145 | |
146 | *ret = user; | |
147 | return 0; | |
148 | } | |
149 | ||
150 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
151 | Seat *seat; | |
152 | int r; | |
153 | ||
154 | assert(m); | |
155 | assert(message); | |
156 | assert(ret); | |
157 | ||
158 | if (isempty(name)) { | |
159 | Session *session; | |
160 | ||
161 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
162 | if (r < 0) | |
163 | return r; | |
164 | ||
165 | seat = session->seat; | |
309a29df LP |
166 | if (!seat) |
167 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
168 | } else { | |
169 | seat = hashmap_get(m->seats, name); | |
170 | if (!seat) | |
171 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
172 | } | |
173 | ||
174 | *ret = seat; | |
175 | return 0; | |
176 | } | |
177 | ||
cc377381 LP |
178 | static int property_get_idle_hint( |
179 | sd_bus *bus, | |
180 | const char *path, | |
181 | const char *interface, | |
182 | const char *property, | |
183 | sd_bus_message *reply, | |
ebcf1f97 LP |
184 | void *userdata, |
185 | sd_bus_error *error) { | |
a185c5aa | 186 | |
cc377381 | 187 | Manager *m = userdata; |
a185c5aa | 188 | |
cc377381 LP |
189 | assert(bus); |
190 | assert(reply); | |
191 | assert(m); | |
192 | ||
193 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
194 | } |
195 | ||
cc377381 LP |
196 | static int property_get_idle_since_hint( |
197 | sd_bus *bus, | |
198 | const char *path, | |
199 | const char *interface, | |
200 | const char *property, | |
201 | sd_bus_message *reply, | |
ebcf1f97 LP |
202 | void *userdata, |
203 | sd_bus_error *error) { | |
cc377381 LP |
204 | |
205 | Manager *m = userdata; | |
5cb14b37 | 206 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 207 | |
cc377381 LP |
208 | assert(bus); |
209 | assert(reply); | |
a185c5aa LP |
210 | assert(m); |
211 | ||
212 | manager_get_idle_hint(m, &t); | |
a185c5aa | 213 | |
cc377381 | 214 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
215 | } |
216 | ||
cc377381 LP |
217 | static int property_get_inhibited( |
218 | sd_bus *bus, | |
219 | const char *path, | |
220 | const char *interface, | |
221 | const char *property, | |
222 | sd_bus_message *reply, | |
ebcf1f97 LP |
223 | void *userdata, |
224 | sd_bus_error *error) { | |
cc377381 LP |
225 | |
226 | Manager *m = userdata; | |
f8e2fb7b | 227 | InhibitWhat w; |
f8e2fb7b | 228 | |
cc377381 LP |
229 | assert(bus); |
230 | assert(reply); | |
231 | assert(m); | |
f8e2fb7b | 232 | |
cc377381 | 233 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 234 | |
cc377381 | 235 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
236 | } |
237 | ||
cc377381 LP |
238 | static int property_get_preparing( |
239 | sd_bus *bus, | |
240 | const char *path, | |
241 | const char *interface, | |
242 | const char *property, | |
243 | sd_bus_message *reply, | |
ebcf1f97 LP |
244 | void *userdata, |
245 | sd_bus_error *error) { | |
cc377381 LP |
246 | |
247 | Manager *m = userdata; | |
248 | bool b; | |
5e4a79da | 249 | |
cc377381 LP |
250 | assert(bus); |
251 | assert(reply); | |
252 | assert(m); | |
5e4a79da LP |
253 | |
254 | if (streq(property, "PreparingForShutdown")) | |
314b4b0a | 255 | b = !!(m->action_what & INHIBIT_SHUTDOWN); |
5e4a79da | 256 | else |
314b4b0a | 257 | b = !!(m->action_what & INHIBIT_SLEEP); |
5e4a79da | 258 | |
cc377381 | 259 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
260 | } |
261 | ||
8aaa023a DM |
262 | static int property_get_scheduled_shutdown( |
263 | sd_bus *bus, | |
264 | const char *path, | |
265 | const char *interface, | |
266 | const char *property, | |
267 | sd_bus_message *reply, | |
268 | void *userdata, | |
269 | sd_bus_error *error) { | |
270 | ||
271 | Manager *m = userdata; | |
272 | int r; | |
273 | ||
274 | assert(bus); | |
275 | assert(reply); | |
276 | assert(m); | |
277 | ||
278 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
279 | if (r < 0) | |
280 | return r; | |
281 | ||
282 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
283 | if (r < 0) | |
284 | return r; | |
285 | ||
286 | return sd_bus_message_close_container(reply); | |
287 | } | |
288 | ||
cc377381 | 289 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
fb6becb4 | 290 | |
14856079 LP |
291 | static int property_get_docked( |
292 | sd_bus *bus, | |
293 | const char *path, | |
294 | const char *interface, | |
295 | const char *property, | |
296 | sd_bus_message *reply, | |
297 | void *userdata, | |
298 | sd_bus_error *error) { | |
299 | ||
300 | Manager *m = userdata; | |
301 | ||
302 | assert(bus); | |
303 | assert(reply); | |
304 | assert(m); | |
305 | ||
602a41c2 | 306 | return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m)); |
14856079 LP |
307 | } |
308 | ||
183e0738 LP |
309 | static int property_get_current_sessions( |
310 | sd_bus *bus, | |
311 | const char *path, | |
312 | const char *interface, | |
313 | const char *property, | |
314 | sd_bus_message *reply, | |
315 | void *userdata, | |
316 | sd_bus_error *error) { | |
317 | ||
318 | Manager *m = userdata; | |
319 | ||
320 | assert(bus); | |
321 | assert(reply); | |
322 | assert(m); | |
323 | ||
324 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions)); | |
325 | } | |
326 | ||
c5a11ae2 LP |
327 | static int property_get_current_inhibitors( |
328 | sd_bus *bus, | |
329 | const char *path, | |
330 | const char *interface, | |
331 | const char *property, | |
332 | sd_bus_message *reply, | |
333 | void *userdata, | |
334 | sd_bus_error *error) { | |
335 | ||
336 | Manager *m = userdata; | |
337 | ||
338 | assert(bus); | |
339 | assert(reply); | |
340 | assert(m); | |
341 | ||
342 | return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors)); | |
343 | } | |
344 | ||
19070062 | 345 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
346 | _cleanup_free_ char *p = NULL; |
347 | Manager *m = userdata; | |
348 | const char *name; | |
349 | Session *session; | |
350 | int r; | |
351 | ||
cc377381 LP |
352 | assert(message); |
353 | assert(m); | |
354 | ||
355 | r = sd_bus_message_read(message, "s", &name); | |
356 | if (r < 0) | |
ebcf1f97 | 357 | return r; |
cc377381 | 358 | |
309a29df LP |
359 | r = manager_get_session_from_creds(m, message, name, error, &session); |
360 | if (r < 0) | |
361 | return r; | |
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 | ||
7b33c622 AJ |
370 | /* Get login session of a process. This is not what you are looking for these days, |
371 | * as apps may instead belong to a user service unit. This includes terminal | |
372 | * emulators and hence command-line apps. */ | |
19070062 | 373 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 374 | _cleanup_free_ char *p = NULL; |
954449b8 | 375 | Session *session = NULL; |
cc377381 | 376 | Manager *m = userdata; |
4e724d9c | 377 | pid_t pid; |
cc377381 LP |
378 | int r; |
379 | ||
cc377381 LP |
380 | assert(message); |
381 | assert(m); | |
382 | ||
4e724d9c LP |
383 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
384 | ||
cc377381 LP |
385 | r = sd_bus_message_read(message, "u", &pid); |
386 | if (r < 0) | |
ebcf1f97 | 387 | return r; |
07b38ba5 | 388 | if (pid < 0) |
06820eaf | 389 | return -EINVAL; |
cc377381 | 390 | |
06820eaf | 391 | if (pid == 0) { |
309a29df | 392 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
393 | if (r < 0) |
394 | return r; | |
309a29df LP |
395 | } else { |
396 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 397 | if (r < 0) |
ebcf1f97 | 398 | return r; |
4e724d9c | 399 | |
309a29df LP |
400 | if (!session) |
401 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
402 | } | |
cc377381 LP |
403 | |
404 | p = session_bus_path(session); | |
405 | if (!p) | |
ebcf1f97 | 406 | return -ENOMEM; |
cc377381 | 407 | |
df2d202e | 408 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
409 | } |
410 | ||
19070062 | 411 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
412 | _cleanup_free_ char *p = NULL; |
413 | Manager *m = userdata; | |
414 | uint32_t uid; | |
415 | User *user; | |
416 | int r; | |
417 | ||
cc377381 LP |
418 | assert(message); |
419 | assert(m); | |
420 | ||
421 | r = sd_bus_message_read(message, "u", &uid); | |
422 | if (r < 0) | |
ebcf1f97 | 423 | return r; |
cc377381 | 424 | |
309a29df LP |
425 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
426 | if (r < 0) | |
427 | return r; | |
cc377381 LP |
428 | |
429 | p = user_bus_path(user); | |
430 | if (!p) | |
ebcf1f97 | 431 | return -ENOMEM; |
cc377381 | 432 | |
df2d202e | 433 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
434 | } |
435 | ||
19070062 | 436 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
437 | _cleanup_free_ char *p = NULL; |
438 | Manager *m = userdata; | |
954449b8 | 439 | User *user = NULL; |
4e724d9c | 440 | pid_t pid; |
fb6becb4 | 441 | int r; |
98a28fef | 442 | |
cc377381 | 443 | assert(message); |
98a28fef | 444 | assert(m); |
cc377381 | 445 | |
4e724d9c LP |
446 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
447 | ||
cc377381 LP |
448 | r = sd_bus_message_read(message, "u", &pid); |
449 | if (r < 0) | |
ebcf1f97 | 450 | return r; |
07b38ba5 | 451 | if (pid < 0) |
06820eaf | 452 | return -EINVAL; |
cc377381 | 453 | |
06820eaf | 454 | if (pid == 0) { |
309a29df | 455 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
456 | if (r < 0) |
457 | return r; | |
309a29df LP |
458 | } else { |
459 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 460 | if (r < 0) |
ebcf1f97 | 461 | return r; |
309a29df | 462 | if (!user) |
095b8833 AJ |
463 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
464 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
465 | pid); | |
4e724d9c LP |
466 | } |
467 | ||
cc377381 LP |
468 | p = user_bus_path(user); |
469 | if (!p) | |
ebcf1f97 | 470 | return -ENOMEM; |
cc377381 | 471 | |
df2d202e | 472 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
473 | } |
474 | ||
19070062 | 475 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
476 | _cleanup_free_ char *p = NULL; |
477 | Manager *m = userdata; | |
478 | const char *name; | |
479 | Seat *seat; | |
480 | int r; | |
481 | ||
98a28fef | 482 | assert(message); |
cc377381 | 483 | assert(m); |
98a28fef | 484 | |
cc377381 LP |
485 | r = sd_bus_message_read(message, "s", &name); |
486 | if (r < 0) | |
ebcf1f97 | 487 | return r; |
98a28fef | 488 | |
309a29df LP |
489 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
490 | if (r < 0) | |
491 | return r; | |
98a28fef | 492 | |
cc377381 LP |
493 | p = seat_bus_path(seat); |
494 | if (!p) | |
ebcf1f97 | 495 | return -ENOMEM; |
98a28fef | 496 | |
df2d202e | 497 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 498 | } |
98a28fef | 499 | |
19070062 | 500 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 501 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
502 | Manager *m = userdata; |
503 | Session *session; | |
504 | Iterator i; | |
505 | int r; | |
506 | ||
cc377381 LP |
507 | assert(message); |
508 | assert(m); | |
98a28fef | 509 | |
df2d202e | 510 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 511 | if (r < 0) |
ebcf1f97 | 512 | return r; |
98a28fef | 513 | |
cc377381 LP |
514 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
515 | if (r < 0) | |
ebcf1f97 | 516 | return r; |
cc377381 LP |
517 | |
518 | HASHMAP_FOREACH(session, m->sessions, i) { | |
519 | _cleanup_free_ char *p = NULL; | |
520 | ||
521 | p = session_bus_path(session); | |
522 | if (!p) | |
ebcf1f97 | 523 | return -ENOMEM; |
cc377381 LP |
524 | |
525 | r = sd_bus_message_append(reply, "(susso)", | |
526 | session->id, | |
527 | (uint32_t) session->user->uid, | |
528 | session->user->name, | |
529 | session->seat ? session->seat->id : "", | |
530 | p); | |
531 | if (r < 0) | |
ebcf1f97 | 532 | return r; |
cc377381 LP |
533 | } |
534 | ||
535 | r = sd_bus_message_close_container(reply); | |
536 | if (r < 0) | |
ebcf1f97 | 537 | return r; |
cc377381 | 538 | |
9030ca46 | 539 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
540 | } |
541 | ||
19070062 | 542 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 543 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
544 | Manager *m = userdata; |
545 | User *user; | |
546 | Iterator i; | |
547 | int r; | |
548 | ||
cc377381 LP |
549 | assert(message); |
550 | assert(m); | |
551 | ||
df2d202e | 552 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 553 | if (r < 0) |
ebcf1f97 | 554 | return r; |
cc377381 LP |
555 | |
556 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
557 | if (r < 0) | |
ebcf1f97 | 558 | return r; |
cc377381 LP |
559 | |
560 | HASHMAP_FOREACH(user, m->users, i) { | |
561 | _cleanup_free_ char *p = NULL; | |
562 | ||
563 | p = user_bus_path(user); | |
564 | if (!p) | |
ebcf1f97 | 565 | return -ENOMEM; |
cc377381 LP |
566 | |
567 | r = sd_bus_message_append(reply, "(uso)", | |
568 | (uint32_t) user->uid, | |
569 | user->name, | |
570 | p); | |
571 | if (r < 0) | |
ebcf1f97 | 572 | return r; |
cc377381 LP |
573 | } |
574 | ||
575 | r = sd_bus_message_close_container(reply); | |
576 | if (r < 0) | |
ebcf1f97 | 577 | return r; |
cc377381 | 578 | |
9030ca46 | 579 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
580 | } |
581 | ||
19070062 | 582 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 583 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
584 | Manager *m = userdata; |
585 | Seat *seat; | |
586 | Iterator i; | |
587 | int r; | |
588 | ||
cc377381 LP |
589 | assert(message); |
590 | assert(m); | |
591 | ||
df2d202e | 592 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 593 | if (r < 0) |
ebcf1f97 | 594 | return r; |
cc377381 LP |
595 | |
596 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
597 | if (r < 0) | |
ebcf1f97 | 598 | return r; |
cc377381 LP |
599 | |
600 | HASHMAP_FOREACH(seat, m->seats, i) { | |
601 | _cleanup_free_ char *p = NULL; | |
602 | ||
603 | p = seat_bus_path(seat); | |
604 | if (!p) | |
ebcf1f97 | 605 | return -ENOMEM; |
cc377381 | 606 | |
b8358bce | 607 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 608 | if (r < 0) |
ebcf1f97 | 609 | return r; |
cc377381 LP |
610 | } |
611 | ||
612 | r = sd_bus_message_close_container(reply); | |
613 | if (r < 0) | |
ebcf1f97 | 614 | return r; |
cc377381 | 615 | |
9030ca46 | 616 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
617 | } |
618 | ||
19070062 | 619 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 620 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
621 | Manager *m = userdata; |
622 | Inhibitor *inhibitor; | |
623 | Iterator i; | |
624 | int r; | |
625 | ||
19070062 LP |
626 | assert(message); |
627 | assert(m); | |
628 | ||
df2d202e | 629 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 630 | if (r < 0) |
ebcf1f97 | 631 | return r; |
cc377381 LP |
632 | |
633 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
634 | if (r < 0) | |
ebcf1f97 | 635 | return r; |
cc377381 LP |
636 | |
637 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
638 | ||
dbfa3fbb | 639 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
640 | strempty(inhibit_what_to_string(inhibitor->what)), |
641 | strempty(inhibitor->who), | |
642 | strempty(inhibitor->why), | |
643 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
644 | (uint32_t) inhibitor->uid, | |
645 | (uint32_t) inhibitor->pid); | |
646 | if (r < 0) | |
ebcf1f97 | 647 | return r; |
cc377381 LP |
648 | } |
649 | ||
650 | r = sd_bus_message_close_container(reply); | |
651 | if (r < 0) | |
ebcf1f97 | 652 | return r; |
cc377381 | 653 | |
9030ca46 | 654 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
655 | } |
656 | ||
19070062 | 657 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 658 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
06820eaf | 659 | uint32_t audit_id = 0; |
cc377381 LP |
660 | _cleanup_free_ char *id = NULL; |
661 | Session *session = NULL; | |
662 | Manager *m = userdata; | |
663 | User *user = NULL; | |
664 | Seat *seat = NULL; | |
06820eaf LP |
665 | pid_t leader; |
666 | uid_t uid; | |
cc377381 LP |
667 | int remote; |
668 | uint32_t vtnr = 0; | |
669 | SessionType t; | |
670 | SessionClass c; | |
671 | int r; | |
672 | ||
cc377381 LP |
673 | assert(message); |
674 | assert(m); | |
675 | ||
06820eaf LP |
676 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
677 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
678 | ||
a4cd87e9 | 679 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 680 | if (r < 0) |
ebcf1f97 | 681 | return r; |
cc377381 | 682 | |
06820eaf LP |
683 | if (!uid_is_valid(uid)) |
684 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
685 | if (leader < 0 || leader == 1) | |
ebcf1f97 | 686 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 687 | |
e2acb67b LP |
688 | if (isempty(type)) |
689 | t = _SESSION_TYPE_INVALID; | |
690 | else { | |
691 | t = session_type_from_string(type); | |
692 | if (t < 0) | |
ebcf1f97 | 693 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 694 | } |
98a28fef | 695 | |
55efac6c | 696 | if (isempty(class)) |
e2acb67b LP |
697 | c = _SESSION_CLASS_INVALID; |
698 | else { | |
55efac6c | 699 | c = session_class_from_string(class); |
e2acb67b | 700 | if (c < 0) |
ebcf1f97 | 701 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 702 | } |
55efac6c | 703 | |
a4cd87e9 LP |
704 | if (isempty(desktop)) |
705 | desktop = NULL; | |
706 | else { | |
707 | if (!string_is_safe(desktop)) | |
708 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
709 | } | |
710 | ||
954449b8 LP |
711 | if (isempty(cseat)) |
712 | seat = NULL; | |
98a28fef | 713 | else { |
954449b8 LP |
714 | seat = hashmap_get(m->seats, cseat); |
715 | if (!seat) | |
d14ab08b | 716 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
717 | } |
718 | ||
98a28fef | 719 | if (tty_is_vc(tty)) { |
4d6d6518 | 720 | int v; |
98a28fef | 721 | |
954449b8 | 722 | if (!seat) |
92432fcc DH |
723 | seat = m->seat0; |
724 | else if (seat != m->seat0) | |
d14ab08b | 725 | 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 | 726 | |
4d6d6518 | 727 | v = vtnr_from_tty(tty); |
4d6d6518 | 728 | if (v <= 0) |
ebcf1f97 | 729 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 730 | |
92bd5ff3 | 731 | if (!vtnr) |
4d6d6518 LP |
732 | vtnr = (uint32_t) v; |
733 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 734 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 735 | |
d1122ad5 LP |
736 | } else if (tty_is_console(tty)) { |
737 | ||
954449b8 | 738 | if (!seat) |
92432fcc DH |
739 | seat = m->seat0; |
740 | else if (seat != m->seat0) | |
ebcf1f97 | 741 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
742 | |
743 | if (vtnr != 0) | |
ebcf1f97 | 744 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 745 | } |
98a28fef | 746 | |
954449b8 | 747 | if (seat) { |
bf7825ae | 748 | if (seat_has_vts(seat)) { |
c506027a | 749 | if (!vtnr || vtnr > 63) |
ebcf1f97 | 750 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 751 | } else { |
d1122ad5 | 752 | if (vtnr != 0) |
ebcf1f97 | 753 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
754 | } |
755 | } | |
756 | ||
cc377381 LP |
757 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
758 | if (r < 0) | |
ebcf1f97 | 759 | return r; |
98a28fef | 760 | |
e2acb67b LP |
761 | if (t == _SESSION_TYPE_INVALID) { |
762 | if (!isempty(display)) | |
763 | t = SESSION_X11; | |
764 | else if (!isempty(tty)) | |
765 | t = SESSION_TTY; | |
766 | else | |
767 | t = SESSION_UNSPECIFIED; | |
768 | } | |
769 | ||
770 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 771 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 772 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
773 | else |
774 | c = SESSION_USER; | |
e2acb67b LP |
775 | } |
776 | ||
06820eaf | 777 | if (leader == 0) { |
4afd3348 | 778 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
779 | |
780 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
781 | if (r < 0) | |
782 | return r; | |
783 | ||
5b12334d | 784 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 785 | if (r < 0) |
ebcf1f97 | 786 | return r; |
9444b1f2 LP |
787 | } |
788 | ||
b80120c4 DH |
789 | r = manager_get_session_by_pid(m, leader, NULL); |
790 | if (r > 0) | |
791 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session"); | |
792 | ||
793 | /* | |
794 | * Old gdm and lightdm start the user-session on the same VT as | |
795 | * the greeter session. But they destroy the greeter session | |
796 | * after the user-session and want the user-session to take | |
797 | * over the VT. We need to support this for | |
798 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
799 | * on a VT that a greeter is running on. Furthermore, to allow |
800 | * re-logins, we have to allow a greeter to take over a used VT for | |
801 | * the exact same reasons. | |
b80120c4 | 802 | */ |
cc85d562 DH |
803 | if (c != SESSION_GREETER && |
804 | vtnr > 0 && | |
b80120c4 DH |
805 | vtnr < m->seat0->position_count && |
806 | m->seat0->positions[vtnr] && | |
807 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
808 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 809 | |
183e0738 LP |
810 | if (hashmap_size(m->sessions) >= m->sessions_max) |
811 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
812 | ||
3a87a86e LP |
813 | (void) audit_session_from_pid(leader, &audit_id); |
814 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 815 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 816 | |
de0671ee | 817 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 818 | return -ENOMEM; |
21c390cc | 819 | |
954449b8 LP |
820 | /* Wut? There's already a session by this name and we |
821 | * didn't find it above? Weird, then let's not trust | |
822 | * the audit data and let's better register a new | |
823 | * ID */ | |
824 | if (hashmap_get(m->sessions, id)) { | |
4b549144 | 825 | log_warning("Existing logind session ID %s used by new audit session, ignoring", id); |
3a87a86e | 826 | audit_id = AUDIT_SESSION_INVALID; |
8ea913b2 | 827 | |
97b11eed | 828 | id = mfree(id); |
07714753 | 829 | } |
954449b8 | 830 | } |
07714753 | 831 | |
954449b8 | 832 | if (!id) { |
07714753 | 833 | do { |
97b11eed | 834 | id = mfree(id); |
07714753 | 835 | |
cc377381 | 836 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 837 | return -ENOMEM; |
07714753 LP |
838 | |
839 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
840 | } |
841 | ||
954449b8 | 842 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 843 | if (r < 0) |
954449b8 LP |
844 | goto fail; |
845 | ||
9444b1f2 | 846 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 847 | if (r < 0) |
98a28fef LP |
848 | goto fail; |
849 | ||
9444b1f2 LP |
850 | session_set_user(session, user); |
851 | ||
98a28fef LP |
852 | session->leader = leader; |
853 | session->audit_id = audit_id; | |
854 | session->type = t; | |
55efac6c | 855 | session->class = c; |
98a28fef | 856 | session->remote = remote; |
98a28fef LP |
857 | session->vtnr = vtnr; |
858 | ||
98a28fef LP |
859 | if (!isempty(tty)) { |
860 | session->tty = strdup(tty); | |
861 | if (!session->tty) { | |
ebcf1f97 | 862 | r = -ENOMEM; |
98a28fef LP |
863 | goto fail; |
864 | } | |
865 | } | |
866 | ||
867 | if (!isempty(display)) { | |
868 | session->display = strdup(display); | |
869 | if (!session->display) { | |
ebcf1f97 | 870 | r = -ENOMEM; |
98a28fef LP |
871 | goto fail; |
872 | } | |
873 | } | |
874 | ||
875 | if (!isempty(remote_user)) { | |
876 | session->remote_user = strdup(remote_user); | |
877 | if (!session->remote_user) { | |
ebcf1f97 | 878 | r = -ENOMEM; |
98a28fef LP |
879 | goto fail; |
880 | } | |
881 | } | |
882 | ||
883 | if (!isempty(remote_host)) { | |
884 | session->remote_host = strdup(remote_host); | |
885 | if (!session->remote_host) { | |
ebcf1f97 | 886 | r = -ENOMEM; |
98a28fef LP |
887 | goto fail; |
888 | } | |
889 | } | |
890 | ||
891 | if (!isempty(service)) { | |
892 | session->service = strdup(service); | |
893 | if (!session->service) { | |
ebcf1f97 | 894 | r = -ENOMEM; |
98a28fef LP |
895 | goto fail; |
896 | } | |
897 | } | |
898 | ||
a4cd87e9 LP |
899 | if (!isempty(desktop)) { |
900 | session->desktop = strdup(desktop); | |
901 | if (!session->desktop) { | |
902 | r = -ENOMEM; | |
903 | goto fail; | |
904 | } | |
905 | } | |
906 | ||
954449b8 LP |
907 | if (seat) { |
908 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 909 | if (r < 0) |
98a28fef LP |
910 | goto fail; |
911 | } | |
912 | ||
913 | r = session_start(session); | |
ebcf1f97 | 914 | if (r < 0) |
98a28fef LP |
915 | goto fail; |
916 | ||
cc377381 | 917 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 918 | |
cba38758 LP |
919 | /* Now, let's wait until the slice unit and stuff got |
920 | * created. We send the reply back from | |
f7340ab2 | 921 | * session_send_create_reply(). */ |
cba38758 | 922 | |
cc377381 | 923 | return 1; |
98a28fef LP |
924 | |
925 | fail: | |
98a28fef LP |
926 | if (session) |
927 | session_add_to_gc_queue(session); | |
928 | ||
929 | if (user) | |
930 | user_add_to_gc_queue(user); | |
931 | ||
98a28fef LP |
932 | return r; |
933 | } | |
934 | ||
19070062 | 935 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
936 | Manager *m = userdata; |
937 | Session *session; | |
938 | const char *name; | |
939 | int r; | |
314b4b0a | 940 | |
cc377381 LP |
941 | assert(message); |
942 | assert(m); | |
943 | ||
944 | r = sd_bus_message_read(message, "s", &name); | |
945 | if (r < 0) | |
ebcf1f97 | 946 | return r; |
cc377381 | 947 | |
309a29df LP |
948 | r = manager_get_session_from_creds(m, message, name, error, &session); |
949 | if (r < 0) | |
950 | return r; | |
cc377381 | 951 | |
ad8780c9 ZJS |
952 | r = session_release(session); |
953 | if (r < 0) | |
954 | return r; | |
cc377381 | 955 | |
df2d202e | 956 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
957 | } |
958 | ||
19070062 | 959 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
960 | Manager *m = userdata; |
961 | Session *session; | |
962 | const char *name; | |
963 | int r; | |
f8e2fb7b | 964 | |
cc377381 | 965 | assert(message); |
f8e2fb7b | 966 | assert(m); |
cc377381 LP |
967 | |
968 | r = sd_bus_message_read(message, "s", &name); | |
969 | if (r < 0) | |
ebcf1f97 | 970 | return r; |
cc377381 | 971 | |
309a29df LP |
972 | r = manager_get_session_from_creds(m, message, name, error, &session); |
973 | if (r < 0) | |
974 | return r; | |
cc377381 | 975 | |
19070062 | 976 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
977 | } |
978 | ||
19070062 | 979 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
980 | const char *session_name, *seat_name; |
981 | Manager *m = userdata; | |
982 | Session *session; | |
983 | Seat *seat; | |
984 | int r; | |
985 | ||
f8e2fb7b | 986 | assert(message); |
cc377381 | 987 | assert(m); |
f8e2fb7b | 988 | |
cc377381 LP |
989 | /* Same as ActivateSession() but refuses to work if |
990 | * the seat doesn't match */ | |
f8e2fb7b | 991 | |
cc377381 LP |
992 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
993 | if (r < 0) | |
ebcf1f97 | 994 | return r; |
eecd1362 | 995 | |
309a29df LP |
996 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
997 | if (r < 0) | |
998 | return r; | |
beaafb2e | 999 | |
309a29df LP |
1000 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
1001 | if (r < 0) | |
1002 | return r; | |
314b4b0a | 1003 | |
cc377381 | 1004 | if (session->seat != seat) |
ebcf1f97 | 1005 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
1006 | |
1007 | r = session_activate(session); | |
f8e2fb7b | 1008 | if (r < 0) |
ebcf1f97 | 1009 | return r; |
f8e2fb7b | 1010 | |
df2d202e | 1011 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 1012 | } |
f8e2fb7b | 1013 | |
19070062 | 1014 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1015 | Manager *m = userdata; |
1016 | Session *session; | |
1017 | const char *name; | |
1018 | int r; | |
f8e2fb7b | 1019 | |
cc377381 LP |
1020 | assert(message); |
1021 | assert(m); | |
f8e2fb7b | 1022 | |
cc377381 LP |
1023 | r = sd_bus_message_read(message, "s", &name); |
1024 | if (r < 0) | |
ebcf1f97 | 1025 | return r; |
f8e2fb7b | 1026 | |
309a29df LP |
1027 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1028 | if (r < 0) | |
1029 | return r; | |
f8e2fb7b | 1030 | |
19070062 | 1031 | return bus_session_method_lock(message, session, error); |
cc377381 | 1032 | } |
f8e2fb7b | 1033 | |
19070062 | 1034 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1035 | Manager *m = userdata; |
1036 | int r; | |
f8e2fb7b | 1037 | |
cc377381 LP |
1038 | assert(message); |
1039 | assert(m); | |
f8e2fb7b | 1040 | |
c529695e LP |
1041 | r = bus_verify_polkit_async( |
1042 | message, | |
1043 | CAP_SYS_ADMIN, | |
1044 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 1045 | NULL, |
c529695e LP |
1046 | false, |
1047 | UID_INVALID, | |
1048 | &m->polkit_registry, | |
1049 | error); | |
1050 | if (r < 0) | |
1051 | return r; | |
1052 | if (r == 0) | |
1053 | return 1; /* Will call us back */ | |
1054 | ||
cc377381 LP |
1055 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1056 | if (r < 0) | |
ebcf1f97 | 1057 | return r; |
f8e2fb7b | 1058 | |
df2d202e | 1059 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1060 | } |
1061 | ||
19070062 | 1062 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1063 | const char *name; |
cc377381 LP |
1064 | Manager *m = userdata; |
1065 | Session *session; | |
cc377381 LP |
1066 | int r; |
1067 | ||
cc377381 LP |
1068 | assert(message); |
1069 | assert(m); | |
1070 | ||
c529695e | 1071 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1072 | if (r < 0) |
ebcf1f97 | 1073 | return r; |
cc377381 | 1074 | |
309a29df LP |
1075 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1076 | if (r < 0) | |
1077 | return r; | |
f8e2fb7b | 1078 | |
19070062 | 1079 | return bus_session_method_kill(message, session, error); |
cc377381 | 1080 | } |
f8e2fb7b | 1081 | |
19070062 | 1082 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1083 | Manager *m = userdata; |
1084 | uint32_t uid; | |
cc377381 LP |
1085 | User *user; |
1086 | int r; | |
f8e2fb7b | 1087 | |
cc377381 LP |
1088 | assert(message); |
1089 | assert(m); | |
1090 | ||
c529695e | 1091 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1092 | if (r < 0) |
ebcf1f97 | 1093 | return r; |
cc377381 | 1094 | |
309a29df LP |
1095 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1096 | if (r < 0) | |
1097 | return r; | |
cc377381 | 1098 | |
19070062 | 1099 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1100 | } |
1101 | ||
19070062 | 1102 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1103 | Manager *m = userdata; |
1104 | const char *name; | |
1105 | Session *session; | |
1106 | int r; | |
1107 | ||
cc377381 LP |
1108 | assert(message); |
1109 | assert(m); | |
1110 | ||
1111 | r = sd_bus_message_read(message, "s", &name); | |
1112 | if (r < 0) | |
ebcf1f97 | 1113 | return r; |
cc377381 | 1114 | |
309a29df LP |
1115 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1116 | if (r < 0) | |
1117 | return r; | |
cc377381 | 1118 | |
19070062 | 1119 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1120 | } |
1121 | ||
19070062 | 1122 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1123 | Manager *m = userdata; |
1124 | uint32_t uid; | |
1125 | User *user; | |
1126 | int r; | |
1127 | ||
cc377381 LP |
1128 | assert(message); |
1129 | assert(m); | |
1130 | ||
1131 | r = sd_bus_message_read(message, "u", &uid); | |
1132 | if (r < 0) | |
ebcf1f97 | 1133 | return r; |
cc377381 | 1134 | |
309a29df LP |
1135 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1136 | if (r < 0) | |
1137 | return r; | |
cc377381 | 1138 | |
19070062 | 1139 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1140 | } |
1141 | ||
19070062 | 1142 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1143 | Manager *m = userdata; |
1144 | const char *name; | |
1145 | Seat *seat; | |
1146 | int r; | |
1147 | ||
cc377381 LP |
1148 | assert(message); |
1149 | assert(m); | |
1150 | ||
1151 | r = sd_bus_message_read(message, "s", &name); | |
1152 | if (r < 0) | |
ebcf1f97 | 1153 | return r; |
cc377381 | 1154 | |
309a29df LP |
1155 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1156 | if (r < 0) | |
1157 | return r; | |
cc377381 | 1158 | |
19070062 | 1159 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1160 | } |
1161 | ||
19070062 | 1162 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1163 | _cleanup_free_ char *cc = NULL; |
1164 | Manager *m = userdata; | |
152199f2 | 1165 | int r, b, interactive; |
cc377381 LP |
1166 | struct passwd *pw; |
1167 | const char *path; | |
1168 | uint32_t uid; | |
152199f2 | 1169 | bool self = false; |
cc377381 | 1170 | |
cc377381 LP |
1171 | assert(message); |
1172 | assert(m); | |
1173 | ||
1174 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1175 | if (r < 0) | |
ebcf1f97 | 1176 | return r; |
cc377381 | 1177 | |
cad93f29 | 1178 | if (!uid_is_valid(uid)) { |
4afd3348 | 1179 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
309a29df LP |
1180 | |
1181 | /* Note that we get the owner UID of the session, not the actual client UID here! */ | |
1182 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1183 | if (r < 0) | |
1184 | return r; | |
1185 | ||
1186 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
1187 | if (r < 0) | |
1188 | return r; | |
06820eaf | 1189 | |
152199f2 ZJS |
1190 | self = true; |
1191 | ||
06820eaf LP |
1192 | } else if (!uid_is_valid(uid)) |
1193 | return -EINVAL; | |
309a29df | 1194 | |
cc377381 LP |
1195 | errno = 0; |
1196 | pw = getpwuid(uid); | |
1197 | if (!pw) | |
f5e5c28f | 1198 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1199 | |
f3885791 LP |
1200 | r = bus_verify_polkit_async( |
1201 | message, | |
1202 | CAP_SYS_ADMIN, | |
152199f2 | 1203 | self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger", |
403ed0e5 | 1204 | NULL, |
f3885791 | 1205 | interactive, |
c529695e | 1206 | UID_INVALID, |
f3885791 LP |
1207 | &m->polkit_registry, |
1208 | error); | |
cc377381 | 1209 | if (r < 0) |
ebcf1f97 | 1210 | return r; |
cc377381 LP |
1211 | if (r == 0) |
1212 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1213 | ||
1214 | mkdir_p_label("/var/lib/systemd", 0755); | |
1215 | ||
c31ad024 | 1216 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, false); |
cc377381 | 1217 | if (r < 0) |
ebcf1f97 | 1218 | return r; |
cc377381 LP |
1219 | |
1220 | cc = cescape(pw->pw_name); | |
1221 | if (!cc) | |
ebcf1f97 | 1222 | return -ENOMEM; |
cc377381 | 1223 | |
63c372cb | 1224 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1225 | if (b) { |
1226 | User *u; | |
1227 | ||
1228 | r = touch(path); | |
1229 | if (r < 0) | |
ebcf1f97 | 1230 | return r; |
cc377381 LP |
1231 | |
1232 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1233 | user_start(u); | |
1234 | ||
1235 | } else { | |
1236 | User *u; | |
1237 | ||
1238 | r = unlink(path); | |
1239 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1240 | return -errno; |
cc377381 | 1241 | |
8cb4ab00 | 1242 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1243 | if (u) |
1244 | user_add_to_gc_queue(u); | |
1245 | } | |
1246 | ||
df2d202e | 1247 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1248 | } |
1249 | ||
2eb916cd | 1250 | static int trigger_device(Manager *m, struct udev_device *d) { |
06acf2d4 | 1251 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
b668e064 LP |
1252 | struct udev_list_entry *first, *item; |
1253 | int r; | |
1254 | ||
1255 | assert(m); | |
1256 | ||
1257 | e = udev_enumerate_new(m->udev); | |
06acf2d4 LP |
1258 | if (!e) |
1259 | return -ENOMEM; | |
b668e064 | 1260 | |
2eb916cd | 1261 | if (d) { |
06acf2d4 LP |
1262 | r = udev_enumerate_add_match_parent(e, d); |
1263 | if (r < 0) | |
1264 | return r; | |
2eb916cd LP |
1265 | } |
1266 | ||
06acf2d4 LP |
1267 | r = udev_enumerate_scan_devices(e); |
1268 | if (r < 0) | |
1269 | return r; | |
b668e064 LP |
1270 | |
1271 | first = udev_enumerate_get_list_entry(e); | |
1272 | udev_list_entry_foreach(item, first) { | |
cc377381 | 1273 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1274 | const char *p; |
1275 | ||
1276 | p = udev_list_entry_get_name(item); | |
1277 | ||
b668e064 | 1278 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1279 | if (!t) |
1280 | return -ENOMEM; | |
b668e064 | 1281 | |
4c1fc3e4 | 1282 | write_string_file(t, "change", WRITE_STRING_FILE_CREATE); |
b668e064 LP |
1283 | } |
1284 | ||
06acf2d4 | 1285 | return 0; |
b668e064 LP |
1286 | } |
1287 | ||
47a26690 | 1288 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
06acf2d4 | 1289 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
7fd1b19b | 1290 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1291 | const char *id_for_seat; |
47a26690 LP |
1292 | int r; |
1293 | ||
1294 | assert(m); | |
1295 | assert(seat); | |
1296 | assert(sysfs); | |
1297 | ||
1298 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
1299 | if (!d) | |
1300 | return -ENODEV; | |
1301 | ||
06acf2d4 LP |
1302 | if (!udev_device_has_tag(d, "seat")) |
1303 | return -ENODEV; | |
47a26690 | 1304 | |
c28fa3d3 | 1305 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
06acf2d4 LP |
1306 | if (!id_for_seat) |
1307 | return -ENODEV; | |
47a26690 | 1308 | |
06acf2d4 LP |
1309 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1310 | return -ENOMEM; | |
47a26690 | 1311 | |
06acf2d4 LP |
1312 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1313 | return -ENOMEM; | |
47a26690 | 1314 | |
d2e54fae | 1315 | mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1316 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1317 | if (r < 0) |
06acf2d4 | 1318 | return r; |
47a26690 | 1319 | |
06acf2d4 | 1320 | return trigger_device(m, d); |
47a26690 LP |
1321 | } |
1322 | ||
b668e064 | 1323 | static int flush_devices(Manager *m) { |
7fd1b19b | 1324 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1325 | |
1326 | assert(m); | |
1327 | ||
1328 | d = opendir("/etc/udev/rules.d"); | |
1329 | if (!d) { | |
1330 | if (errno != ENOENT) | |
56f64d95 | 1331 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1332 | } else { |
1333 | struct dirent *de; | |
1334 | ||
8fb3f009 | 1335 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1336 | if (!dirent_is_file(de)) |
1337 | continue; | |
1338 | ||
1339 | if (!startswith(de->d_name, "72-seat-")) | |
1340 | continue; | |
1341 | ||
1342 | if (!endswith(de->d_name, ".rules")) | |
1343 | continue; | |
1344 | ||
1345 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1346 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1347 | } |
b668e064 LP |
1348 | } |
1349 | ||
1350 | return trigger_device(m, NULL); | |
1351 | } | |
1352 | ||
19070062 | 1353 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1354 | const char *sysfs, *seat; |
1355 | Manager *m = userdata; | |
1356 | int interactive, r; | |
1357 | ||
cc377381 LP |
1358 | assert(message); |
1359 | assert(m); | |
1360 | ||
1361 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1362 | if (r < 0) | |
ebcf1f97 | 1363 | return r; |
cc377381 LP |
1364 | |
1365 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1366 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1367 | |
1368 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1369 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1370 | |
f3885791 LP |
1371 | r = bus_verify_polkit_async( |
1372 | message, | |
1373 | CAP_SYS_ADMIN, | |
1374 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1375 | NULL, |
f3885791 | 1376 | interactive, |
c529695e | 1377 | UID_INVALID, |
f3885791 LP |
1378 | &m->polkit_registry, |
1379 | error); | |
cc377381 | 1380 | if (r < 0) |
ebcf1f97 | 1381 | return r; |
cc377381 LP |
1382 | if (r == 0) |
1383 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1384 | ||
1385 | r = attach_device(m, seat, sysfs); | |
1386 | if (r < 0) | |
ebcf1f97 | 1387 | return r; |
cc377381 | 1388 | |
df2d202e | 1389 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1390 | } |
1391 | ||
19070062 | 1392 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1393 | Manager *m = userdata; |
1394 | int interactive, r; | |
1395 | ||
cc377381 LP |
1396 | assert(message); |
1397 | assert(m); | |
1398 | ||
1399 | r = sd_bus_message_read(message, "b", &interactive); | |
1400 | if (r < 0) | |
ebcf1f97 | 1401 | return r; |
cc377381 | 1402 | |
f3885791 LP |
1403 | r = bus_verify_polkit_async( |
1404 | message, | |
1405 | CAP_SYS_ADMIN, | |
1406 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1407 | NULL, |
f3885791 | 1408 | interactive, |
c529695e | 1409 | UID_INVALID, |
f3885791 LP |
1410 | &m->polkit_registry, |
1411 | error); | |
cc377381 | 1412 | if (r < 0) |
ebcf1f97 | 1413 | return r; |
cc377381 LP |
1414 | if (r == 0) |
1415 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1416 | ||
1417 | r = flush_devices(m); | |
1418 | if (r < 0) | |
ebcf1f97 | 1419 | return r; |
cc377381 | 1420 | |
df2d202e | 1421 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1422 | } |
1423 | ||
89f13440 | 1424 | static int have_multiple_sessions( |
89f13440 | 1425 | Manager *m, |
409133be | 1426 | uid_t uid) { |
89f13440 | 1427 | |
2154761f MS |
1428 | Session *session; |
1429 | Iterator i; | |
89f13440 LP |
1430 | |
1431 | assert(m); | |
1432 | ||
1ca04b87 LP |
1433 | /* Check for other users' sessions. Greeter sessions do not |
1434 | * count, and non-login sessions do not count either. */ | |
2154761f | 1435 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1436 | if (session->class == SESSION_USER && |
1ca04b87 | 1437 | session->user->uid != uid) |
2154761f | 1438 | return true; |
89f13440 LP |
1439 | |
1440 | return false; | |
1441 | } | |
1442 | ||
314b4b0a LP |
1443 | static int bus_manager_log_shutdown( |
1444 | Manager *m, | |
314b4b0a LP |
1445 | const char *unit_name) { |
1446 | ||
5744f59a | 1447 | const char *p, *q; |
314b4b0a LP |
1448 | |
1449 | assert(m); | |
1450 | assert(unit_name); | |
1451 | ||
314b4b0a | 1452 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1453 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1454 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1455 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1456 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1457 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1458 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1459 | p = "MESSAGE=System is halting"; | |
1460 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1461 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1462 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1463 | q = "SHUTDOWN=kexec"; |
1464 | } else { | |
f868cb58 | 1465 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1466 | q = NULL; |
1467 | } | |
1468 | ||
f868cb58 ZJS |
1469 | if (isempty(m->wall_message)) |
1470 | p = strjoina(p, "."); | |
1471 | else | |
1472 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1473 | |
e2cc6eca | 1474 | return log_struct(LOG_NOTICE, |
2b044526 | 1475 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1476 | p, |
e2cc6eca LP |
1477 | q, |
1478 | NULL); | |
314b4b0a LP |
1479 | } |
1480 | ||
b5d3e168 KS |
1481 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1482 | Manager *m = userdata; | |
1483 | ||
1484 | assert(e); | |
1485 | assert(m); | |
1486 | ||
1487 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1492 | int r; | |
1493 | ||
1494 | assert(m); | |
1495 | ||
1496 | if (until <= now(CLOCK_MONOTONIC)) | |
1497 | return 0; | |
1498 | ||
1499 | /* We want to ignore the lid switch for a while after each | |
1500 | * suspend, and after boot-up. Hence let's install a timer for | |
1501 | * this. As long as the event source exists we ignore the lid | |
1502 | * switch. */ | |
1503 | ||
1504 | if (m->lid_switch_ignore_event_source) { | |
1505 | usec_t u; | |
1506 | ||
1507 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1508 | if (r < 0) | |
1509 | return r; | |
1510 | ||
1511 | if (until <= u) | |
1512 | return 0; | |
1513 | ||
1514 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1515 | } else | |
6a0f1f6d LP |
1516 | r = sd_event_add_time( |
1517 | m->event, | |
1518 | &m->lid_switch_ignore_event_source, | |
1519 | CLOCK_MONOTONIC, | |
1520 | until, 0, | |
1521 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1522 | |
1523 | return r; | |
1524 | } | |
1525 | ||
6d7f7fd4 AJ |
1526 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1527 | ||
1528 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1529 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1530 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1531 | }; | |
1532 | ||
1533 | int active = _active; | |
1534 | ||
1535 | assert(m); | |
1536 | assert(w >= 0); | |
1537 | assert(w < _INHIBIT_WHAT_MAX); | |
1538 | assert(signal_name[w]); | |
1539 | ||
1540 | return sd_bus_emit_signal(m->bus, | |
1541 | "/org/freedesktop/login1", | |
1542 | "org.freedesktop.login1.Manager", | |
1543 | signal_name[w], | |
1544 | "b", | |
1545 | active); | |
1546 | } | |
1547 | ||
314b4b0a LP |
1548 | static int execute_shutdown_or_sleep( |
1549 | Manager *m, | |
1550 | InhibitWhat w, | |
1551 | const char *unit_name, | |
cc377381 | 1552 | sd_bus_error *error) { |
314b4b0a | 1553 | |
4afd3348 | 1554 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1389f4b9 | 1555 | char *c = NULL; |
cc377381 | 1556 | const char *p; |
cc377381 | 1557 | int r; |
eecd1362 | 1558 | |
af9792ac | 1559 | assert(m); |
b61fa4e0 | 1560 | assert(w > 0); |
314b4b0a | 1561 | assert(w < _INHIBIT_WHAT_MAX); |
d889a206 | 1562 | assert(unit_name); |
eecd1362 | 1563 | |
df75a1a8 AJ |
1564 | if (w == INHIBIT_SHUTDOWN) |
1565 | bus_manager_log_shutdown(m, unit_name); | |
314b4b0a | 1566 | |
df75a1a8 AJ |
1567 | r = sd_bus_call_method( |
1568 | m->bus, | |
1569 | "org.freedesktop.systemd1", | |
1570 | "/org/freedesktop/systemd1", | |
1571 | "org.freedesktop.systemd1.Manager", | |
1572 | "StartUnit", | |
1573 | error, | |
1574 | &reply, | |
1575 | "ss", unit_name, "replace-irreversibly"); | |
1576 | if (r < 0) | |
6d7f7fd4 | 1577 | goto error; |
af9792ac | 1578 | |
df75a1a8 AJ |
1579 | r = sd_bus_message_read(reply, "o", &p); |
1580 | if (r < 0) | |
6d7f7fd4 | 1581 | goto error; |
af9792ac | 1582 | |
df75a1a8 | 1583 | c = strdup(p); |
6d7f7fd4 AJ |
1584 | if (!c) { |
1585 | r = -ENOMEM; | |
1586 | goto error; | |
1587 | } | |
af9792ac | 1588 | |
314b4b0a | 1589 | m->action_unit = unit_name; |
af9792ac LP |
1590 | free(m->action_job); |
1591 | m->action_job = c; | |
314b4b0a | 1592 | m->action_what = w; |
af9792ac | 1593 | |
f9cd6be1 | 1594 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1595 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1596 | |
af9792ac | 1597 | return 0; |
6d7f7fd4 AJ |
1598 | |
1599 | error: | |
1600 | /* Tell people that they now may take a lock again */ | |
1601 | send_prepare_for(m, m->action_what, false); | |
1602 | ||
1603 | return r; | |
eecd1362 LP |
1604 | } |
1605 | ||
418b22b8 | 1606 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1607 | |
4afd3348 | 1608 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1609 | Inhibitor *offending = NULL; |
c0f32805 DM |
1610 | int r; |
1611 | ||
1612 | assert(manager); | |
c0f32805 DM |
1613 | |
1614 | if (manager->action_what == 0 || manager->action_job) | |
1615 | return 0; | |
1616 | ||
1617 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1618 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1619 | ||
418b22b8 DM |
1620 | if (!timeout) |
1621 | return 0; | |
1622 | ||
c0f32805 DM |
1623 | (void) get_process_comm(offending->pid, &comm); |
1624 | u = uid_to_name(offending->uid); | |
1625 | ||
1626 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1627 | offending->uid, strna(u), | |
1628 | offending->pid, strna(comm)); | |
1629 | } | |
1630 | ||
1631 | /* Actually do the operation */ | |
1632 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1633 | if (r < 0) { | |
6d7f7fd4 AJ |
1634 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1635 | bus_error_message(&error, r)); | |
c0f32805 DM |
1636 | |
1637 | manager->action_unit = NULL; | |
1638 | manager->action_what = 0; | |
418b22b8 | 1639 | return r; |
c0f32805 DM |
1640 | } |
1641 | ||
418b22b8 DM |
1642 | return 1; |
1643 | } | |
1644 | ||
1645 | static int manager_inhibit_timeout_handler( | |
1646 | sd_event_source *s, | |
1647 | uint64_t usec, | |
1648 | void *userdata) { | |
1649 | ||
1650 | Manager *manager = userdata; | |
1651 | int r; | |
1652 | ||
1653 | assert(manager); | |
1654 | assert(manager->inhibit_timeout_source == s); | |
1655 | ||
1656 | r = manager_dispatch_delayed(manager, true); | |
1657 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1658 | } |
1659 | ||
314b4b0a LP |
1660 | static int delay_shutdown_or_sleep( |
1661 | Manager *m, | |
1662 | InhibitWhat w, | |
1663 | const char *unit_name) { | |
eecd1362 | 1664 | |
c0f32805 DM |
1665 | int r; |
1666 | usec_t timeout_val; | |
1667 | ||
eecd1362 | 1668 | assert(m); |
d889a206 LP |
1669 | assert(w >= 0); |
1670 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1671 | assert(unit_name); |
eecd1362 | 1672 | |
c0f32805 DM |
1673 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1674 | ||
1675 | if (m->inhibit_timeout_source) { | |
1676 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1677 | if (r < 0) | |
c2a23db0 | 1678 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1679 | |
1680 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1681 | if (r < 0) | |
c2a23db0 | 1682 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1683 | } else { |
1684 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1685 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1686 | if (r < 0) | |
1687 | return r; | |
1688 | } | |
1689 | ||
314b4b0a LP |
1690 | m->action_unit = unit_name; |
1691 | m->action_what = w; | |
d889a206 LP |
1692 | |
1693 | return 0; | |
1694 | } | |
1695 | ||
069cfc85 LP |
1696 | int bus_manager_shutdown_or_sleep_now_or_later( |
1697 | Manager *m, | |
1698 | const char *unit_name, | |
1699 | InhibitWhat w, | |
cc377381 | 1700 | sd_bus_error *error) { |
069cfc85 LP |
1701 | |
1702 | bool delayed; | |
1703 | int r; | |
1704 | ||
1705 | assert(m); | |
1706 | assert(unit_name); | |
b61fa4e0 | 1707 | assert(w > 0); |
069cfc85 | 1708 | assert(w <= _INHIBIT_WHAT_MAX); |
af9792ac | 1709 | assert(!m->action_job); |
069cfc85 | 1710 | |
314b4b0a LP |
1711 | /* Tell everybody to prepare for shutdown/sleep */ |
1712 | send_prepare_for(m, w, true); | |
1713 | ||
069cfc85 LP |
1714 | delayed = |
1715 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1716 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1717 | |
1718 | if (delayed) | |
1719 | /* Shutdown is delayed, keep in mind what we | |
1720 | * want to do, and start a timeout */ | |
1721 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1722 | else |
069cfc85 LP |
1723 | /* Shutdown is not delayed, execute it |
1724 | * immediately */ | |
314b4b0a | 1725 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1726 | |
1727 | return r; | |
1728 | } | |
1729 | ||
b7aa9589 | 1730 | static int verify_shutdown_creds( |
d889a206 | 1731 | Manager *m, |
cc377381 | 1732 | sd_bus_message *message, |
d889a206 | 1733 | InhibitWhat w, |
b7aa9589 | 1734 | bool interactive, |
d889a206 LP |
1735 | const char *action, |
1736 | const char *action_multiple_sessions, | |
1737 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1738 | sd_bus_error *error) { |
d889a206 | 1739 | |
4afd3348 | 1740 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1741 | bool multiple_sessions, blocked; |
cc377381 | 1742 | uid_t uid; |
b7aa9589 | 1743 | int r; |
d889a206 LP |
1744 | |
1745 | assert(m); | |
d889a206 | 1746 | assert(message); |
d889a206 LP |
1747 | assert(w >= 0); |
1748 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1749 | |
05bae4a6 | 1750 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1751 | if (r < 0) |
1752 | return r; | |
1753 | ||
05bae4a6 | 1754 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1755 | if (r < 0) |
ebcf1f97 | 1756 | return r; |
409133be | 1757 | |
cc377381 | 1758 | r = have_multiple_sessions(m, uid); |
d889a206 | 1759 | if (r < 0) |
ebcf1f97 | 1760 | return r; |
d889a206 LP |
1761 | |
1762 | multiple_sessions = r > 0; | |
85a428c6 | 1763 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1764 | |
b7aa9589 | 1765 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1766 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1767 | if (r < 0) |
ebcf1f97 | 1768 | return r; |
055d4066 ZJS |
1769 | if (r == 0) |
1770 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1771 | } |
1772 | ||
b7aa9589 | 1773 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1774 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1775 | if (r < 0) |
ebcf1f97 | 1776 | return r; |
055d4066 ZJS |
1777 | if (r == 0) |
1778 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1779 | } |
1780 | ||
b7aa9589 | 1781 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1782 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1783 | if (r < 0) |
ebcf1f97 | 1784 | return r; |
055d4066 ZJS |
1785 | if (r == 0) |
1786 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1787 | } |
1788 | ||
b7aa9589 DM |
1789 | return 0; |
1790 | } | |
1791 | ||
1792 | static int method_do_shutdown_or_sleep( | |
1793 | Manager *m, | |
1794 | sd_bus_message *message, | |
1795 | const char *unit_name, | |
1796 | InhibitWhat w, | |
1797 | const char *action, | |
1798 | const char *action_multiple_sessions, | |
1799 | const char *action_ignore_inhibit, | |
1800 | const char *sleep_verb, | |
1801 | sd_bus_error *error) { | |
1802 | ||
1803 | int interactive, r; | |
1804 | ||
1805 | assert(m); | |
1806 | assert(message); | |
1807 | assert(unit_name); | |
1808 | assert(w >= 0); | |
1809 | assert(w <= _INHIBIT_WHAT_MAX); | |
1810 | ||
1811 | r = sd_bus_message_read(message, "b", &interactive); | |
1812 | if (r < 0) | |
1813 | return r; | |
1814 | ||
1815 | /* Don't allow multiple jobs being executed at the same time */ | |
1816 | if (m->action_what) | |
1817 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); | |
1818 | ||
1819 | if (sleep_verb) { | |
1820 | r = can_sleep(sleep_verb); | |
1821 | if (r < 0) | |
1822 | return r; | |
1823 | ||
1824 | if (r == 0) | |
1825 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); | |
1826 | } | |
1827 | ||
1828 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1829 | action_ignore_inhibit, error); | |
1830 | if (r != 0) | |
1831 | return r; | |
1832 | ||
ebcf1f97 | 1833 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1834 | if (r < 0) |
ebcf1f97 | 1835 | return r; |
d889a206 | 1836 | |
df2d202e | 1837 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1838 | } |
1839 | ||
19070062 | 1840 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1841 | Manager *m = userdata; |
1842 | ||
cc377381 LP |
1843 | return method_do_shutdown_or_sleep( |
1844 | m, message, | |
1845 | SPECIAL_POWEROFF_TARGET, | |
1846 | INHIBIT_SHUTDOWN, | |
1847 | "org.freedesktop.login1.power-off", | |
1848 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1849 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1850 | NULL, | |
ebcf1f97 | 1851 | error); |
cc377381 | 1852 | } |
88e3dc90 | 1853 | |
19070062 | 1854 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1855 | Manager *m = userdata; |
88e3dc90 | 1856 | |
cc377381 LP |
1857 | return method_do_shutdown_or_sleep( |
1858 | m, message, | |
1859 | SPECIAL_REBOOT_TARGET, | |
1860 | INHIBIT_SHUTDOWN, | |
1861 | "org.freedesktop.login1.reboot", | |
1862 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1863 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1864 | NULL, | |
ebcf1f97 | 1865 | error); |
cc377381 | 1866 | } |
88e3dc90 | 1867 | |
36b69c31 LP |
1868 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1869 | Manager *m = userdata; | |
1870 | ||
1871 | return method_do_shutdown_or_sleep( | |
1872 | m, message, | |
1873 | SPECIAL_HALT_TARGET, | |
1874 | INHIBIT_SHUTDOWN, | |
1875 | "org.freedesktop.login1.halt", | |
1876 | "org.freedesktop.login1.halt-multiple-sessions", | |
1877 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1878 | NULL, | |
1879 | error); | |
1880 | } | |
1881 | ||
19070062 | 1882 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1883 | Manager *m = userdata; |
88e3dc90 | 1884 | |
cc377381 LP |
1885 | return method_do_shutdown_or_sleep( |
1886 | m, message, | |
1887 | SPECIAL_SUSPEND_TARGET, | |
1888 | INHIBIT_SLEEP, | |
1889 | "org.freedesktop.login1.suspend", | |
1890 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1891 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1892 | "suspend", | |
ebcf1f97 | 1893 | error); |
cc377381 | 1894 | } |
88e3dc90 | 1895 | |
15e99a43 LP |
1896 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1897 | Manager *m = userdata; | |
1898 | ||
1899 | return method_do_shutdown_or_sleep( | |
1900 | m, message, | |
1901 | SPECIAL_HIBERNATE_TARGET, | |
1902 | INHIBIT_SLEEP, | |
1903 | "org.freedesktop.login1.hibernate", | |
1904 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1905 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1906 | "hibernate", | |
1907 | error); | |
1908 | } | |
1909 | ||
1910 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1911 | Manager *m = userdata; | |
1912 | ||
1913 | return method_do_shutdown_or_sleep( | |
1914 | m, message, | |
1915 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1916 | INHIBIT_SLEEP, | |
1917 | "org.freedesktop.login1.hibernate", | |
1918 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1919 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1920 | "hybrid-sleep", | |
1921 | error); | |
1922 | } | |
1923 | ||
867c37f6 DM |
1924 | static int nologin_timeout_handler( |
1925 | sd_event_source *s, | |
1926 | uint64_t usec, | |
1927 | void *userdata) { | |
1928 | ||
1929 | Manager *m = userdata; | |
1930 | int r; | |
1931 | ||
1932 | log_info("Creating /run/nologin, blocking further logins..."); | |
1933 | ||
716cff4b | 1934 | r = write_string_file_atomic_label("/run/nologin", "System is going down."); |
867c37f6 DM |
1935 | if (r < 0) |
1936 | log_error_errno(r, "Failed to create /run/nologin: %m"); | |
1937 | else | |
1938 | m->unlink_nologin = true; | |
1939 | ||
1940 | return 0; | |
1941 | } | |
1942 | ||
1943 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1944 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1945 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1946 | int r; |
867c37f6 DM |
1947 | |
1948 | assert(m); | |
1949 | ||
c31ad024 | 1950 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false); |
867c37f6 DM |
1951 | if (r < 0) |
1952 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1953 | ||
867c37f6 DM |
1954 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1955 | if (r < 0) | |
1956 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1957 | ||
1958 | (void) fchmod(fileno(f), 0644); | |
1959 | ||
1960 | fprintf(f, | |
1961 | "USEC="USEC_FMT"\n" | |
1962 | "WARN_WALL=%i\n" | |
1963 | "MODE=%s\n", | |
1964 | m->scheduled_shutdown_timeout, | |
1965 | m->enable_wall_messages, | |
1966 | m->scheduled_shutdown_type); | |
1967 | ||
91b3e7fb LP |
1968 | if (!isempty(m->wall_message)) { |
1969 | _cleanup_free_ char *t; | |
1970 | ||
1971 | t = cescape(m->wall_message); | |
1972 | if (!t) { | |
1973 | r = -ENOMEM; | |
1974 | goto fail; | |
1975 | } | |
1976 | ||
867c37f6 | 1977 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1978 | } |
867c37f6 | 1979 | |
dacd6cee LP |
1980 | r = fflush_and_check(f); |
1981 | if (r < 0) | |
1982 | goto fail; | |
867c37f6 | 1983 | |
dacd6cee | 1984 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1985 | r = -errno; |
dacd6cee | 1986 | goto fail; |
867c37f6 DM |
1987 | } |
1988 | ||
dacd6cee LP |
1989 | return 0; |
1990 | ||
1991 | fail: | |
1992 | (void) unlink(temp_path); | |
1993 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1994 | ||
1995 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1996 | } |
1997 | ||
df75a1a8 | 1998 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
1999 | assert(m); |
2000 | ||
df75a1a8 AJ |
2001 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
2002 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
2003 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 2004 | |
df75a1a8 AJ |
2005 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
2006 | m->scheduled_shutdown_timeout = 0; | |
2007 | m->shutdown_dry_run = false; | |
2008 | ||
2009 | if (m->unlink_nologin) { | |
2010 | (void) unlink("/run/nologin"); | |
2011 | m->unlink_nologin = false; | |
2012 | } | |
36b69c31 | 2013 | |
df75a1a8 AJ |
2014 | (void) unlink("/run/systemd/shutdown/scheduled"); |
2015 | } | |
2016 | ||
8aaa023a DM |
2017 | static int manager_scheduled_shutdown_handler( |
2018 | sd_event_source *s, | |
2019 | uint64_t usec, | |
2020 | void *userdata) { | |
2021 | ||
4afd3348 | 2022 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
2023 | Manager *m = userdata; |
2024 | const char *target; | |
2025 | int r; | |
2026 | ||
2027 | assert(m); | |
2028 | ||
2029 | if (isempty(m->scheduled_shutdown_type)) | |
2030 | return 0; | |
2031 | ||
36b69c31 | 2032 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 2033 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 2034 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 2035 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
2036 | else if (streq(m->scheduled_shutdown_type, "halt")) |
2037 | target = SPECIAL_HALT_TARGET; | |
2038 | else | |
2039 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 2040 | |
b498d6ea AJ |
2041 | /* Don't allow multiple jobs being executed at the same time */ |
2042 | if (m->action_what) { | |
6d7f7fd4 | 2043 | r = -EALREADY; |
b498d6ea | 2044 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2045 | goto error; |
b498d6ea AJ |
2046 | } |
2047 | ||
df75a1a8 AJ |
2048 | if (m->shutdown_dry_run) { |
2049 | /* We do not process delay inhibitors here. Otherwise, we | |
2050 | * would have to be considered "in progress" (like the check | |
2051 | * above) for some seconds after our admin has seen the final | |
2052 | * wall message. */ | |
2053 | ||
2054 | bus_manager_log_shutdown(m, target); | |
2055 | log_info("Running in dry run, suppressing action."); | |
2056 | reset_scheduled_shutdown(m); | |
2057 | ||
2058 | return 0; | |
2059 | } | |
2060 | ||
2061 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2062 | if (r < 0) { |
2063 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2064 | goto error; | |
2065 | } | |
8aaa023a DM |
2066 | |
2067 | return 0; | |
6d7f7fd4 AJ |
2068 | |
2069 | error: | |
2070 | reset_scheduled_shutdown(m); | |
2071 | return r; | |
8aaa023a DM |
2072 | } |
2073 | ||
19070062 | 2074 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2075 | Manager *m = userdata; |
4afd3348 | 2076 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2077 | const char *action_multiple_sessions = NULL; |
2078 | const char *action_ignore_inhibit = NULL; | |
2079 | const char *action = NULL; | |
2080 | uint64_t elapse; | |
2081 | char *type; | |
2082 | int r; | |
d13f5e16 | 2083 | bool dry_run = false; |
8aaa023a DM |
2084 | |
2085 | assert(m); | |
2086 | assert(message); | |
2087 | ||
2088 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2089 | if (r < 0) | |
2090 | return r; | |
2091 | ||
1389f4b9 DM |
2092 | if (startswith(type, "dry-")) { |
2093 | type += 4; | |
d13f5e16 | 2094 | dry_run = true; |
1389f4b9 DM |
2095 | } |
2096 | ||
36b69c31 LP |
2097 | if (streq(type, "poweroff")) { |
2098 | action = "org.freedesktop.login1.power-off"; | |
2099 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2100 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2101 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2102 | action = "org.freedesktop.login1.reboot"; |
2103 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2104 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2105 | } else if (streq(type, "halt")) { | |
2106 | action = "org.freedesktop.login1.halt"; | |
2107 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2108 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2109 | } else |
2110 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2111 | ||
2112 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2113 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2114 | if (r != 0) | |
2115 | return r; | |
2116 | ||
2117 | if (m->scheduled_shutdown_timeout_source) { | |
2118 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2119 | if (r < 0) | |
c2a23db0 | 2120 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2121 | |
2122 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2123 | if (r < 0) | |
c2a23db0 | 2124 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2125 | } else { |
2126 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2127 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2128 | if (r < 0) | |
c2a23db0 | 2129 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2130 | } |
2131 | ||
2132 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2133 | if (r < 0) { | |
2134 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2135 | return log_oom(); | |
2136 | } | |
2137 | ||
d13f5e16 LP |
2138 | m->shutdown_dry_run = dry_run; |
2139 | ||
867c37f6 DM |
2140 | if (m->nologin_timeout_source) { |
2141 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2142 | if (r < 0) | |
c2a23db0 | 2143 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2144 | |
2145 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2146 | if (r < 0) | |
c2a23db0 | 2147 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2148 | } else { |
2149 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2150 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2151 | if (r < 0) | |
c2a23db0 | 2152 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2153 | } |
2154 | ||
8aaa023a DM |
2155 | m->scheduled_shutdown_timeout = elapse; |
2156 | ||
e2fa5721 DM |
2157 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2158 | if (r >= 0) { | |
011062f3 | 2159 | const char *tty = NULL; |
e2fa5721 DM |
2160 | |
2161 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2162 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2163 | ||
2164 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2165 | if (r < 0) { | |
2166 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2167 | return log_oom(); | |
2168 | } | |
2169 | } | |
2170 | ||
2171 | r = manager_setup_wall_message_timer(m); | |
2172 | if (r < 0) | |
2173 | return r; | |
2174 | ||
f8169e62 AJ |
2175 | r = update_schedule_file(m); |
2176 | if (r < 0) | |
2177 | return r; | |
867c37f6 | 2178 | |
8aaa023a DM |
2179 | return sd_bus_reply_method_return(message, NULL); |
2180 | } | |
2181 | ||
19070062 | 2182 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2183 | Manager *m = userdata; |
2184 | bool cancelled; | |
2185 | ||
2186 | assert(m); | |
2187 | assert(message); | |
2188 | ||
2189 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2190 | reset_scheduled_shutdown(m); |
fb91034c | 2191 | |
e2fa5721 | 2192 | if (cancelled) { |
4afd3348 | 2193 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e2fa5721 DM |
2194 | const char *tty = NULL; |
2195 | uid_t uid = 0; | |
2196 | int r; | |
2197 | ||
2198 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2199 | if (r >= 0) { | |
2200 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2201 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2202 | } | |
2203 | ||
2204 | utmp_wall("The system shutdown has been cancelled", | |
d0260817 | 2205 | uid_to_name(uid), tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2206 | } |
2207 | ||
8aaa023a DM |
2208 | return sd_bus_reply_method_return(message, "b", cancelled); |
2209 | } | |
2210 | ||
cc377381 LP |
2211 | static int method_can_shutdown_or_sleep( |
2212 | Manager *m, | |
2213 | sd_bus_message *message, | |
2214 | InhibitWhat w, | |
2215 | const char *action, | |
2216 | const char *action_multiple_sessions, | |
2217 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2218 | const char *sleep_verb, |
2219 | sd_bus_error *error) { | |
de07ab16 | 2220 | |
4afd3348 | 2221 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2222 | bool multiple_sessions, challenge, blocked; |
2223 | const char *result = NULL; | |
2224 | uid_t uid; | |
2225 | int r; | |
de07ab16 | 2226 | |
cc377381 LP |
2227 | assert(m); |
2228 | assert(message); | |
2229 | assert(w >= 0); | |
2230 | assert(w <= _INHIBIT_WHAT_MAX); | |
2231 | assert(action); | |
2232 | assert(action_multiple_sessions); | |
2233 | assert(action_ignore_inhibit); | |
de07ab16 | 2234 | |
cc377381 LP |
2235 | if (sleep_verb) { |
2236 | r = can_sleep(sleep_verb); | |
de07ab16 | 2237 | if (r < 0) |
ebcf1f97 | 2238 | return r; |
cc377381 | 2239 | if (r == 0) |
df2d202e | 2240 | return sd_bus_reply_method_return(message, "s", "na"); |
cc377381 | 2241 | } |
de07ab16 | 2242 | |
05bae4a6 | 2243 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2244 | if (r < 0) |
2245 | return r; | |
2246 | ||
05bae4a6 | 2247 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2248 | if (r < 0) |
ebcf1f97 | 2249 | return r; |
de07ab16 | 2250 | |
cc377381 LP |
2251 | r = have_multiple_sessions(m, uid); |
2252 | if (r < 0) | |
ebcf1f97 | 2253 | return r; |
de07ab16 | 2254 | |
cc377381 | 2255 | multiple_sessions = r > 0; |
85a428c6 | 2256 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2257 | |
cc377381 | 2258 | if (multiple_sessions) { |
403ed0e5 | 2259 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2260 | if (r < 0) |
ebcf1f97 | 2261 | return r; |
bef422ae | 2262 | |
cc377381 LP |
2263 | if (r > 0) |
2264 | result = "yes"; | |
2265 | else if (challenge) | |
2266 | result = "challenge"; | |
2267 | else | |
2268 | result = "no"; | |
2269 | } | |
bef422ae | 2270 | |
cc377381 | 2271 | if (blocked) { |
403ed0e5 | 2272 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2273 | if (r < 0) |
ebcf1f97 | 2274 | return r; |
bef422ae | 2275 | |
cc377381 LP |
2276 | if (r > 0 && !result) |
2277 | result = "yes"; | |
2278 | else if (challenge && (!result || streq(result, "yes"))) | |
2279 | result = "challenge"; | |
2280 | else | |
2281 | result = "no"; | |
2282 | } | |
bef422ae | 2283 | |
cc377381 LP |
2284 | if (!multiple_sessions && !blocked) { |
2285 | /* If neither inhibit nor multiple sessions | |
2286 | * apply then just check the normal policy */ | |
bef422ae | 2287 | |
403ed0e5 | 2288 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2289 | if (r < 0) |
ebcf1f97 | 2290 | return r; |
bef422ae | 2291 | |
cc377381 LP |
2292 | if (r > 0) |
2293 | result = "yes"; | |
2294 | else if (challenge) | |
2295 | result = "challenge"; | |
2296 | else | |
2297 | result = "no"; | |
2298 | } | |
bef422ae | 2299 | |
df2d202e | 2300 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2301 | } |
bef422ae | 2302 | |
19070062 | 2303 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2304 | Manager *m = userdata; |
bef422ae | 2305 | |
cc377381 LP |
2306 | return method_can_shutdown_or_sleep( |
2307 | m, message, | |
2308 | INHIBIT_SHUTDOWN, | |
2309 | "org.freedesktop.login1.power-off", | |
2310 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2311 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2312 | NULL, |
2313 | error); | |
cc377381 | 2314 | } |
bef422ae | 2315 | |
19070062 | 2316 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2317 | Manager *m = userdata; |
bef422ae | 2318 | |
cc377381 LP |
2319 | return method_can_shutdown_or_sleep( |
2320 | m, message, | |
2321 | INHIBIT_SHUTDOWN, | |
2322 | "org.freedesktop.login1.reboot", | |
2323 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2324 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2325 | NULL, |
2326 | error); | |
cc377381 | 2327 | } |
bef422ae | 2328 | |
36b69c31 LP |
2329 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2330 | Manager *m = userdata; | |
2331 | ||
2332 | return method_can_shutdown_or_sleep( | |
2333 | m, message, | |
2334 | INHIBIT_SHUTDOWN, | |
2335 | "org.freedesktop.login1.halt", | |
2336 | "org.freedesktop.login1.halt-multiple-sessions", | |
2337 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2338 | NULL, | |
2339 | error); | |
2340 | } | |
2341 | ||
19070062 | 2342 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2343 | Manager *m = userdata; |
7f7bb946 | 2344 | |
cc377381 LP |
2345 | return method_can_shutdown_or_sleep( |
2346 | m, message, | |
2347 | INHIBIT_SLEEP, | |
2348 | "org.freedesktop.login1.suspend", | |
2349 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2350 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2351 | "suspend", |
2352 | error); | |
cc377381 | 2353 | } |
7f7bb946 | 2354 | |
19070062 | 2355 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2356 | Manager *m = userdata; |
02b16a19 | 2357 | |
cc377381 LP |
2358 | return method_can_shutdown_or_sleep( |
2359 | m, message, | |
2360 | INHIBIT_SLEEP, | |
2361 | "org.freedesktop.login1.hibernate", | |
2362 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2363 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2364 | "hibernate", |
2365 | error); | |
cc377381 | 2366 | } |
7f7bb946 | 2367 | |
19070062 | 2368 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2369 | Manager *m = userdata; |
7f7bb946 | 2370 | |
cc377381 LP |
2371 | return method_can_shutdown_or_sleep( |
2372 | m, message, | |
2373 | INHIBIT_SLEEP, | |
2374 | "org.freedesktop.login1.hibernate", | |
2375 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2376 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2377 | "hybrid-sleep", |
2378 | error); | |
cc377381 | 2379 | } |
38f3fc7d | 2380 | |
5bdf2243 JJ |
2381 | static int property_get_reboot_to_firmware_setup( |
2382 | sd_bus *bus, | |
2383 | const char *path, | |
2384 | const char *interface, | |
2385 | const char *property, | |
2386 | sd_bus_message *reply, | |
2387 | void *userdata, | |
2388 | sd_bus_error *error) { | |
2389 | int r; | |
2390 | ||
2391 | assert(bus); | |
2392 | assert(reply); | |
2393 | assert(userdata); | |
2394 | ||
2395 | r = efi_get_reboot_to_firmware(); | |
2396 | if (r < 0 && r != -EOPNOTSUPP) | |
2397 | return r; | |
2398 | ||
2399 | return sd_bus_message_append(reply, "b", r > 0); | |
2400 | } | |
2401 | ||
2402 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2403 | sd_bus_message *message, |
2404 | void *userdata, | |
2405 | sd_bus_error *error) { | |
2406 | ||
2407 | int b, r; | |
5bdf2243 JJ |
2408 | Manager *m = userdata; |
2409 | ||
5bdf2243 JJ |
2410 | assert(message); |
2411 | assert(m); | |
2412 | ||
889f25b2 | 2413 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2414 | if (r < 0) |
2415 | return r; | |
2416 | ||
2417 | r = bus_verify_polkit_async(message, | |
2418 | CAP_SYS_ADMIN, | |
2419 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2420 | NULL, |
889f25b2 | 2421 | false, |
5bdf2243 JJ |
2422 | UID_INVALID, |
2423 | &m->polkit_registry, | |
2424 | error); | |
2425 | if (r < 0) | |
2426 | return r; | |
2427 | if (r == 0) | |
2428 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2429 | ||
2430 | r = efi_set_reboot_to_firmware(b); | |
2431 | if (r < 0) | |
2432 | return r; | |
2433 | ||
2434 | return sd_bus_reply_method_return(message, NULL); | |
2435 | } | |
2436 | ||
2437 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2438 | sd_bus_message *message, |
2439 | void *userdata, | |
2440 | sd_bus_error *error) { | |
2441 | ||
2442 | int r; | |
2443 | bool challenge; | |
2444 | const char *result; | |
2445 | Manager *m = userdata; | |
2446 | ||
5bdf2243 JJ |
2447 | assert(message); |
2448 | assert(m); | |
2449 | ||
2450 | r = efi_reboot_to_firmware_supported(); | |
2451 | if (r == -EOPNOTSUPP) | |
2452 | return sd_bus_reply_method_return(message, "s", "na"); | |
2453 | else if (r < 0) | |
2454 | return r; | |
2455 | ||
2456 | r = bus_test_polkit(message, | |
2457 | CAP_SYS_ADMIN, | |
2458 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2459 | NULL, |
5bdf2243 JJ |
2460 | UID_INVALID, |
2461 | &challenge, | |
2462 | error); | |
2463 | if (r < 0) | |
2464 | return r; | |
2465 | ||
2466 | if (r > 0) | |
2467 | result = "yes"; | |
2468 | else if (challenge) | |
2469 | result = "challenge"; | |
2470 | else | |
2471 | result = "no"; | |
2472 | ||
2473 | return sd_bus_reply_method_return(message, "s", result); | |
2474 | } | |
2475 | ||
9ef15026 JS |
2476 | static int method_set_wall_message( |
2477 | sd_bus_message *message, | |
2478 | void *userdata, | |
2479 | sd_bus_error *error) { | |
2480 | ||
2481 | int r; | |
2482 | Manager *m = userdata; | |
2483 | char *wall_message; | |
2cf088b5 | 2484 | int enable_wall_messages; |
9ef15026 JS |
2485 | |
2486 | assert(message); | |
2487 | assert(m); | |
2488 | ||
2489 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2490 | if (r < 0) | |
2491 | return r; | |
2492 | ||
2493 | r = bus_verify_polkit_async(message, | |
2494 | CAP_SYS_ADMIN, | |
2495 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2496 | NULL, |
9ef15026 JS |
2497 | false, |
2498 | UID_INVALID, | |
2499 | &m->polkit_registry, | |
2500 | error); | |
9ef15026 JS |
2501 | if (r < 0) |
2502 | return r; | |
2503 | if (r == 0) | |
2504 | return 1; /* Will call us back */ | |
2505 | ||
28a9ec44 ZJS |
2506 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
2507 | if (r < 0) | |
2508 | return log_oom(); | |
5744f59a | 2509 | |
9ef15026 JS |
2510 | m->enable_wall_messages = enable_wall_messages; |
2511 | ||
2512 | return sd_bus_reply_method_return(message, NULL); | |
2513 | } | |
2514 | ||
19070062 | 2515 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 2516 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2517 | const char *who, *why, *what, *mode; |
2518 | _cleanup_free_ char *id = NULL; | |
2519 | _cleanup_close_ int fifo_fd = -1; | |
2520 | Manager *m = userdata; | |
2521 | Inhibitor *i = NULL; | |
2522 | InhibitMode mm; | |
2523 | InhibitWhat w; | |
2524 | pid_t pid; | |
2525 | uid_t uid; | |
2526 | int r; | |
7f7bb946 | 2527 | |
cc377381 LP |
2528 | assert(message); |
2529 | assert(m); | |
38f3fc7d | 2530 | |
cc377381 LP |
2531 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
2532 | if (r < 0) | |
ebcf1f97 | 2533 | return r; |
38f3fc7d | 2534 | |
cc377381 LP |
2535 | w = inhibit_what_from_string(what); |
2536 | if (w <= 0) | |
ebcf1f97 | 2537 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 2538 | |
cc377381 LP |
2539 | mm = inhibit_mode_from_string(mode); |
2540 | if (mm < 0) | |
ebcf1f97 | 2541 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 2542 | |
cc377381 LP |
2543 | /* Delay is only supported for shutdown/sleep */ |
2544 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 2545 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 2546 | |
cc377381 LP |
2547 | /* Don't allow taking delay locks while we are already |
2548 | * executing the operation. We shouldn't create the impression | |
2549 | * that the lock was successful if the machine is about to go | |
2550 | * down/suspend any moment. */ | |
2551 | if (m->action_what & w) | |
ebcf1f97 | 2552 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 2553 | |
c529695e LP |
2554 | r = bus_verify_polkit_async( |
2555 | message, | |
2556 | CAP_SYS_BOOT, | |
2557 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
2558 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
2559 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
2560 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
2561 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
2562 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
2563 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 2564 | NULL, |
c529695e LP |
2565 | false, |
2566 | UID_INVALID, | |
2567 | &m->polkit_registry, | |
2568 | error); | |
cc377381 | 2569 | if (r < 0) |
ebcf1f97 | 2570 | return r; |
cc377381 LP |
2571 | if (r == 0) |
2572 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 2573 | |
05bae4a6 | 2574 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
2575 | if (r < 0) |
2576 | return r; | |
2577 | ||
05bae4a6 | 2578 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2579 | if (r < 0) |
ebcf1f97 | 2580 | return r; |
7f7bb946 | 2581 | |
5b12334d | 2582 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 2583 | if (r < 0) |
ebcf1f97 | 2584 | return r; |
47a26690 | 2585 | |
c5a11ae2 LP |
2586 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
2587 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
2588 | ||
cc377381 | 2589 | do { |
97b11eed | 2590 | id = mfree(id); |
47a26690 | 2591 | |
cc377381 | 2592 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 2593 | return -ENOMEM; |
47a26690 | 2594 | |
cc377381 | 2595 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 2596 | |
cc377381 LP |
2597 | r = manager_add_inhibitor(m, id, &i); |
2598 | if (r < 0) | |
ebcf1f97 | 2599 | return r; |
47a26690 | 2600 | |
cc377381 LP |
2601 | i->what = w; |
2602 | i->mode = mm; | |
2603 | i->pid = pid; | |
2604 | i->uid = uid; | |
2605 | i->why = strdup(why); | |
2606 | i->who = strdup(who); | |
7f7bb946 | 2607 | |
cc377381 | 2608 | if (!i->why || !i->who) { |
ebcf1f97 | 2609 | r = -ENOMEM; |
cc377381 LP |
2610 | goto fail; |
2611 | } | |
b668e064 | 2612 | |
cc377381 LP |
2613 | fifo_fd = inhibitor_create_fifo(i); |
2614 | if (fifo_fd < 0) { | |
ebcf1f97 | 2615 | r = fifo_fd; |
cc377381 LP |
2616 | goto fail; |
2617 | } | |
b668e064 | 2618 | |
cc377381 | 2619 | inhibitor_start(i); |
b668e064 | 2620 | |
df2d202e | 2621 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 2622 | |
cc377381 LP |
2623 | fail: |
2624 | if (i) | |
2625 | inhibitor_free(i); | |
89f13440 | 2626 | |
cc377381 LP |
2627 | return r; |
2628 | } | |
3f49d45a | 2629 | |
cc377381 LP |
2630 | const sd_bus_vtable manager_vtable[] = { |
2631 | SD_BUS_VTABLE_START(0), | |
2632 | ||
e2fa5721 DM |
2633 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
2634 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
2635 | ||
556089dc LP |
2636 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
2637 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2638 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2639 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
5bdf2243 | 2640 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 LP |
2641 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
2642 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2643 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2644 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2645 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
2646 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2647 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2648 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2649 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2650 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
3c56cab4 | 2651 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 2652 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2653 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
2654 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
2655 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
2656 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 2657 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 2658 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
6d97d3c6 LP |
2659 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
2660 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), | |
c5a11ae2 LP |
2661 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2662 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0), | |
183e0738 LP |
2663 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
2664 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0), | |
6d97d3c6 | 2665 | SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST), |
cc377381 | 2666 | |
adacb957 LP |
2667 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2668 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2669 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2670 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2671 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
2672 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2673 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
2674 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
2675 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 2676 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 2677 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
2678 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2679 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
2680 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2681 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2682 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2683 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2684 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2685 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2686 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2687 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2688 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
2689 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
2690 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
2691 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
2692 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2693 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2694 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2695 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2696 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2697 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
2698 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2699 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2700 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2701 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2702 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2703 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
559b5cc2 LP |
2704 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
2705 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 2706 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 2707 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 2708 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
9ef15026 | 2709 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
2710 | |
2711 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
2712 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
2713 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
2714 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
2715 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
2716 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
2717 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
2718 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
2719 | ||
2720 | SD_BUS_VTABLE_END | |
2721 | }; | |
3f49d45a | 2722 | |
99e7e392 DH |
2723 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
2724 | int r = 0; | |
2725 | ||
2726 | assert(s); | |
2727 | assert(unit); | |
2728 | ||
2729 | if (!s->started) | |
2730 | return r; | |
2731 | ||
2732 | if (streq(result, "done")) | |
2733 | r = session_send_create_reply(s, NULL); | |
2734 | else { | |
4afd3348 | 2735 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 DH |
2736 | |
2737 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); | |
2738 | r = session_send_create_reply(s, &e); | |
2739 | } | |
2740 | ||
2741 | return r; | |
2742 | } | |
2743 | ||
19070062 | 2744 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2745 | const char *path, *result, *unit; |
2746 | Manager *m = userdata; | |
2747 | Session *session; | |
2748 | uint32_t id; | |
2749 | User *user; | |
2750 | int r; | |
3f49d45a | 2751 | |
cc377381 LP |
2752 | assert(message); |
2753 | assert(m); | |
3f49d45a | 2754 | |
cc377381 LP |
2755 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
2756 | if (r < 0) { | |
ebcf1f97 | 2757 | bus_log_parse_error(r); |
65d73cf0 | 2758 | return 0; |
cc377381 | 2759 | } |
3f49d45a | 2760 | |
cc377381 | 2761 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 2762 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 2763 | |
cc377381 LP |
2764 | /* Tell people that they now may take a lock again */ |
2765 | send_prepare_for(m, m->action_what, false); | |
3f49d45a | 2766 | |
491ac9f2 | 2767 | m->action_job = mfree(m->action_job); |
cc377381 LP |
2768 | m->action_unit = NULL; |
2769 | m->action_what = 0; | |
2770 | return 0; | |
2771 | } | |
3f49d45a | 2772 | |
cc377381 | 2773 | session = hashmap_get(m->session_units, unit); |
2f157acd DH |
2774 | if (session && streq_ptr(path, session->scope_job)) { |
2775 | session->scope_job = mfree(session->scope_job); | |
99e7e392 | 2776 | session_jobs_reply(session, unit, result); |
3f49d45a | 2777 | |
99e7e392 | 2778 | session_save(session); |
41dfeaa1 | 2779 | user_save(session->user); |
cc377381 LP |
2780 | session_add_to_gc_queue(session); |
2781 | } | |
3f49d45a | 2782 | |
cc377381 | 2783 | user = hashmap_get(m->user_units, unit); |
2f157acd DH |
2784 | if (user && |
2785 | (streq_ptr(path, user->service_job) || | |
2786 | streq_ptr(path, user->slice_job))) { | |
3f49d45a | 2787 | |
491ac9f2 LP |
2788 | if (streq_ptr(path, user->service_job)) |
2789 | user->service_job = mfree(user->service_job); | |
3f49d45a | 2790 | |
491ac9f2 LP |
2791 | if (streq_ptr(path, user->slice_job)) |
2792 | user->slice_job = mfree(user->slice_job); | |
3f49d45a | 2793 | |
491ac9f2 | 2794 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
99e7e392 | 2795 | session_jobs_reply(session, unit, result); |
dd9b67aa | 2796 | |
cc377381 LP |
2797 | user_save(user); |
2798 | user_add_to_gc_queue(user); | |
3f49d45a LP |
2799 | } |
2800 | ||
cc377381 | 2801 | return 0; |
3f49d45a LP |
2802 | } |
2803 | ||
19070062 | 2804 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2805 | const char *path, *unit; |
1713813d | 2806 | Manager *m = userdata; |
cc377381 LP |
2807 | Session *session; |
2808 | User *user; | |
2809 | int r; | |
1713813d | 2810 | |
1713813d | 2811 | assert(message); |
cc377381 | 2812 | assert(m); |
1713813d | 2813 | |
cc377381 LP |
2814 | r = sd_bus_message_read(message, "so", &unit, &path); |
2815 | if (r < 0) { | |
ebcf1f97 | 2816 | bus_log_parse_error(r); |
65d73cf0 | 2817 | return 0; |
cc377381 | 2818 | } |
fb6becb4 | 2819 | |
cc377381 LP |
2820 | session = hashmap_get(m->session_units, unit); |
2821 | if (session) | |
2822 | session_add_to_gc_queue(session); | |
fb6becb4 | 2823 | |
cc377381 LP |
2824 | user = hashmap_get(m->user_units, unit); |
2825 | if (user) | |
2826 | user_add_to_gc_queue(user); | |
fb6becb4 | 2827 | |
cc377381 LP |
2828 | return 0; |
2829 | } | |
fb6becb4 | 2830 | |
19070062 | 2831 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2832 | _cleanup_free_ char *unit = NULL; |
2833 | Manager *m = userdata; | |
2834 | const char *path; | |
2835 | Session *session; | |
2836 | User *user; | |
ebcf1f97 | 2837 | int r; |
fb6becb4 | 2838 | |
cc377381 LP |
2839 | assert(message); |
2840 | assert(m); | |
fb6becb4 | 2841 | |
cc377381 LP |
2842 | path = sd_bus_message_get_path(message); |
2843 | if (!path) | |
2844 | return 0; | |
fb6becb4 | 2845 | |
ebcf1f97 | 2846 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
2847 | if (r == -EINVAL) /* not a unit */ |
2848 | return 0; | |
65d73cf0 LP |
2849 | if (r < 0) { |
2850 | log_oom(); | |
2851 | return 0; | |
2852 | } | |
fb6becb4 | 2853 | |
cc377381 LP |
2854 | session = hashmap_get(m->session_units, unit); |
2855 | if (session) | |
2856 | session_add_to_gc_queue(session); | |
fb6becb4 | 2857 | |
cc377381 LP |
2858 | user = hashmap_get(m->user_units, unit); |
2859 | if (user) | |
2860 | user_add_to_gc_queue(user); | |
fb6becb4 | 2861 | |
cc377381 LP |
2862 | return 0; |
2863 | } | |
6fa48533 | 2864 | |
19070062 | 2865 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2866 | Manager *m = userdata; |
2867 | Session *session; | |
2868 | Iterator i; | |
2869 | int b, r; | |
943aca8e | 2870 | |
19070062 LP |
2871 | assert(message); |
2872 | assert(m); | |
943aca8e | 2873 | |
cc377381 LP |
2874 | r = sd_bus_message_read(message, "b", &b); |
2875 | if (r < 0) { | |
ebcf1f97 | 2876 | bus_log_parse_error(r); |
65d73cf0 | 2877 | return 0; |
cc377381 | 2878 | } |
943aca8e | 2879 | |
cc377381 LP |
2880 | if (b) |
2881 | return 0; | |
943aca8e | 2882 | |
cc377381 LP |
2883 | /* systemd finished reloading, let's recheck all our sessions */ |
2884 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2885 | |
cc377381 LP |
2886 | HASHMAP_FOREACH(session, m->sessions, i) |
2887 | session_add_to_gc_queue(session); | |
6797c324 | 2888 | |
cc377381 LP |
2889 | return 0; |
2890 | } | |
943aca8e | 2891 | |
cc377381 LP |
2892 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2893 | char **l; | |
9418f147 LP |
2894 | |
2895 | assert(manager); | |
2896 | ||
cc377381 | 2897 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2898 | |
cc377381 LP |
2899 | return sd_bus_emit_properties_changed_strv( |
2900 | manager->bus, | |
2901 | "/org/freedesktop/login1", | |
2902 | "org.freedesktop.login1.Manager", | |
2903 | l); | |
9418f147 | 2904 | } |
eecd1362 | 2905 | |
2adae5ac ZJS |
2906 | static int strdup_job(sd_bus_message *reply, char **job) { |
2907 | const char *j; | |
2908 | char *copy; | |
2909 | int r; | |
2910 | ||
2911 | r = sd_bus_message_read(reply, "o", &j); | |
2912 | if (r < 0) | |
2913 | return r; | |
2914 | ||
2915 | copy = strdup(j); | |
2916 | if (!copy) | |
2917 | return -ENOMEM; | |
2918 | ||
2919 | *job = copy; | |
2920 | return 1; | |
2921 | } | |
2922 | ||
90558f31 LP |
2923 | int manager_start_slice( |
2924 | Manager *manager, | |
2925 | const char *slice, | |
2926 | const char *description, | |
2927 | const char *after, | |
2928 | const char *after2, | |
2929 | uint64_t tasks_max, | |
2930 | sd_bus_error *error, | |
2931 | char **job) { | |
2932 | ||
4afd3348 | 2933 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
90558f31 LP |
2934 | int r; |
2935 | ||
2936 | assert(manager); | |
2937 | assert(slice); | |
2adae5ac | 2938 | assert(job); |
90558f31 LP |
2939 | |
2940 | r = sd_bus_message_new_method_call( | |
2941 | manager->bus, | |
2942 | &m, | |
2943 | "org.freedesktop.systemd1", | |
2944 | "/org/freedesktop/systemd1", | |
2945 | "org.freedesktop.systemd1.Manager", | |
2946 | "StartTransientUnit"); | |
2947 | if (r < 0) | |
2948 | return r; | |
2949 | ||
2950 | r = sd_bus_message_append(m, "ss", strempty(slice), "fail"); | |
2951 | if (r < 0) | |
2952 | return r; | |
2953 | ||
2954 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
2955 | if (r < 0) | |
2956 | return r; | |
2957 | ||
2958 | if (!isempty(description)) { | |
2959 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); | |
2960 | if (r < 0) | |
2961 | return r; | |
2962 | } | |
2963 | ||
2964 | if (!isempty(after)) { | |
2965 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); | |
2966 | if (r < 0) | |
2967 | return r; | |
2968 | } | |
2969 | ||
2970 | if (!isempty(after2)) { | |
2971 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
2972 | if (r < 0) | |
2973 | return r; | |
2974 | } | |
2975 | ||
2976 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); | |
2977 | if (r < 0) | |
2978 | return r; | |
2979 | ||
2980 | r = sd_bus_message_close_container(m); | |
2981 | if (r < 0) | |
2982 | return r; | |
2983 | ||
2984 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
2985 | if (r < 0) | |
2986 | return r; | |
2987 | ||
2988 | r = sd_bus_call(manager->bus, m, 0, error, &reply); | |
2989 | if (r < 0) | |
2990 | return r; | |
2991 | ||
2adae5ac | 2992 | return strdup_job(reply, job); |
90558f31 LP |
2993 | } |
2994 | ||
fb6becb4 LP |
2995 | int manager_start_scope( |
2996 | Manager *manager, | |
2997 | const char *scope, | |
2998 | pid_t pid, | |
2999 | const char *slice, | |
3000 | const char *description, | |
90558f31 LP |
3001 | const char *after, |
3002 | const char *after2, | |
3003 | uint64_t tasks_max, | |
cc377381 | 3004 | sd_bus_error *error, |
fb6becb4 LP |
3005 | char **job) { |
3006 | ||
4afd3348 | 3007 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
cc377381 | 3008 | int r; |
fb6becb4 LP |
3009 | |
3010 | assert(manager); | |
3011 | assert(scope); | |
3012 | assert(pid > 1); | |
2adae5ac | 3013 | assert(job); |
fb6becb4 | 3014 | |
cc377381 LP |
3015 | r = sd_bus_message_new_method_call( |
3016 | manager->bus, | |
151b9b96 | 3017 | &m, |
fb6becb4 LP |
3018 | "org.freedesktop.systemd1", |
3019 | "/org/freedesktop/systemd1", | |
3020 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 3021 | "StartTransientUnit"); |
cc377381 LP |
3022 | if (r < 0) |
3023 | return r; | |
fb6becb4 | 3024 | |
cc377381 LP |
3025 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
3026 | if (r < 0) | |
3027 | return r; | |
fb6becb4 | 3028 | |
cc377381 LP |
3029 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
3030 | if (r < 0) | |
3031 | return r; | |
fb6becb4 LP |
3032 | |
3033 | if (!isempty(slice)) { | |
cc377381 LP |
3034 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
3035 | if (r < 0) | |
3036 | return r; | |
fb6becb4 LP |
3037 | } |
3038 | ||
3039 | if (!isempty(description)) { | |
cc377381 LP |
3040 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
3041 | if (r < 0) | |
3042 | return r; | |
fb6becb4 LP |
3043 | } |
3044 | ||
ba4c5d93 | 3045 | if (!isempty(after)) { |
cc377381 LP |
3046 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); |
3047 | if (r < 0) | |
3048 | return r; | |
7fb3ee51 LP |
3049 | } |
3050 | ||
ba4c5d93 LP |
3051 | if (!isempty(after2)) { |
3052 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); | |
3053 | if (r < 0) | |
3054 | return r; | |
3055 | } | |
3056 | ||
fb6becb4 LP |
3057 | /* cgroup empty notification is not available in containers |
3058 | * currently. To make this less problematic, let's shorten the | |
3059 | * stop timeout for sessions, so that we don't wait | |
3060 | * forever. */ | |
3061 | ||
743e8945 LP |
3062 | /* Make sure that the session shells are terminated with |
3063 | * SIGHUP since bash and friends tend to ignore SIGTERM */ | |
cc377381 LP |
3064 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3065 | if (r < 0) | |
3066 | return r; | |
3067 | ||
3068 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3069 | if (r < 0) | |
3070 | return r; | |
3071 | ||
90558f31 LP |
3072 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); |
3073 | if (r < 0) | |
3074 | return r; | |
3075 | ||
cc377381 LP |
3076 | r = sd_bus_message_close_container(m); |
3077 | if (r < 0) | |
3078 | return r; | |
86b8d289 LP |
3079 | |
3080 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3081 | if (r < 0) | |
3082 | return r; | |
cc377381 | 3083 | |
c49b30a2 | 3084 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3085 | if (r < 0) |
3086 | return r; | |
fb6becb4 | 3087 | |
2adae5ac | 3088 | return strdup_job(reply, job); |
fb6becb4 LP |
3089 | } |
3090 | ||
cc377381 | 3091 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3092 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3093 | int r; |
3094 | ||
3095 | assert(manager); | |
3096 | assert(unit); | |
2adae5ac | 3097 | assert(job); |
fb6becb4 | 3098 | |
cc377381 | 3099 | r = sd_bus_call_method( |
fb6becb4 LP |
3100 | manager->bus, |
3101 | "org.freedesktop.systemd1", | |
3102 | "/org/freedesktop/systemd1", | |
3103 | "org.freedesktop.systemd1.Manager", | |
3104 | "StartUnit", | |
fb6becb4 | 3105 | error, |
cc377381 | 3106 | &reply, |
79ee4ad1 | 3107 | "ss", unit, "replace"); |
cc377381 | 3108 | if (r < 0) |
fb6becb4 | 3109 | return r; |
fb6becb4 | 3110 | |
2adae5ac | 3111 | return strdup_job(reply, job); |
fb6becb4 LP |
3112 | } |
3113 | ||
cc377381 | 3114 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3115 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3116 | int r; |
3117 | ||
3118 | assert(manager); | |
3119 | assert(unit); | |
2adae5ac | 3120 | assert(job); |
fb6becb4 | 3121 | |
cc377381 | 3122 | r = sd_bus_call_method( |
fb6becb4 LP |
3123 | manager->bus, |
3124 | "org.freedesktop.systemd1", | |
3125 | "/org/freedesktop/systemd1", | |
3126 | "org.freedesktop.systemd1.Manager", | |
3127 | "StopUnit", | |
fb6becb4 | 3128 | error, |
cc377381 LP |
3129 | &reply, |
3130 | "ss", unit, "fail"); | |
fb6becb4 | 3131 | if (r < 0) { |
cc377381 LP |
3132 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3133 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3134 | |
2adae5ac | 3135 | *job = NULL; |
cc377381 | 3136 | sd_bus_error_free(error); |
6797c324 LP |
3137 | return 0; |
3138 | } | |
3139 | ||
fb6becb4 LP |
3140 | return r; |
3141 | } | |
3142 | ||
2adae5ac | 3143 | return strdup_job(reply, job); |
fb6becb4 LP |
3144 | } |
3145 | ||
5f41d1f1 | 3146 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) { |
5f41d1f1 LP |
3147 | _cleanup_free_ char *path = NULL; |
3148 | int r; | |
3149 | ||
3150 | assert(manager); | |
3151 | assert(scope); | |
3152 | ||
3153 | path = unit_dbus_path_from_name(scope); | |
3154 | if (!path) | |
3155 | return -ENOMEM; | |
3156 | ||
3157 | r = sd_bus_call_method( | |
3158 | manager->bus, | |
3159 | "org.freedesktop.systemd1", | |
3160 | path, | |
3161 | "org.freedesktop.systemd1.Scope", | |
3162 | "Abandon", | |
3163 | error, | |
3164 | NULL, | |
3165 | NULL); | |
3166 | if (r < 0) { | |
3167 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || | |
4e2f8d27 LP |
3168 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) || |
3169 | sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) { | |
5f41d1f1 LP |
3170 | sd_bus_error_free(error); |
3171 | return 0; | |
3172 | } | |
3173 | ||
3174 | return r; | |
3175 | } | |
3176 | ||
3177 | return 1; | |
3178 | } | |
3179 | ||
cc377381 | 3180 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3181 | assert(manager); |
3182 | assert(unit); | |
3183 | ||
cc377381 | 3184 | return sd_bus_call_method( |
fb6becb4 LP |
3185 | manager->bus, |
3186 | "org.freedesktop.systemd1", | |
3187 | "/org/freedesktop/systemd1", | |
3188 | "org.freedesktop.systemd1.Manager", | |
3189 | "KillUnit", | |
fb6becb4 | 3190 | error, |
cc377381 LP |
3191 | NULL, |
3192 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3193 | } |
3194 | ||
3195 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
3196 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3197 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3198 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3199 | const char *state; |
fb6becb4 LP |
3200 | int r; |
3201 | ||
3202 | assert(manager); | |
3203 | assert(unit); | |
3204 | ||
fb6becb4 LP |
3205 | path = unit_dbus_path_from_name(unit); |
3206 | if (!path) | |
3207 | return -ENOMEM; | |
3208 | ||
cc377381 | 3209 | r = sd_bus_get_property( |
fb6becb4 LP |
3210 | manager->bus, |
3211 | "org.freedesktop.systemd1", | |
3212 | path, | |
cc377381 LP |
3213 | "org.freedesktop.systemd1.Unit", |
3214 | "ActiveState", | |
fb6becb4 | 3215 | &error, |
cc377381 LP |
3216 | &reply, |
3217 | "s"); | |
fb6becb4 | 3218 | if (r < 0) { |
cc377381 LP |
3219 | /* systemd might have droppped off momentarily, let's |
3220 | * not make this an error */ | |
3221 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3222 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3223 | return true; |
6797c324 | 3224 | |
cc377381 LP |
3225 | /* If the unit is already unloaded then it's not |
3226 | * active */ | |
3227 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3228 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3229 | return false; |
6797c324 | 3230 | |
fb6becb4 LP |
3231 | return r; |
3232 | } | |
3233 | ||
cc377381 LP |
3234 | r = sd_bus_message_read(reply, "s", &state); |
3235 | if (r < 0) | |
fb6becb4 | 3236 | return -EINVAL; |
fb6becb4 | 3237 | |
cc377381 LP |
3238 | return !streq(state, "inactive") && !streq(state, "failed"); |
3239 | } | |
3240 | ||
3241 | int manager_job_is_active(Manager *manager, const char *path) { | |
4afd3348 LP |
3242 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3243 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3244 | int r; |
3245 | ||
3246 | assert(manager); | |
3247 | assert(path); | |
3248 | ||
3249 | r = sd_bus_get_property( | |
3250 | manager->bus, | |
3251 | "org.freedesktop.systemd1", | |
3252 | path, | |
3253 | "org.freedesktop.systemd1.Job", | |
3254 | "State", | |
3255 | &error, | |
3256 | &reply, | |
3257 | "s"); | |
3258 | if (r < 0) { | |
3259 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3260 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3261 | return true; | |
3262 | ||
3263 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3264 | return false; | |
3265 | ||
3266 | return r; | |
fb6becb4 LP |
3267 | } |
3268 | ||
cc377381 LP |
3269 | /* We don't actually care about the state really. The fact |
3270 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3271 | |
cc377381 | 3272 | return true; |
fb6becb4 | 3273 | } |