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Commit | Line | Data |
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20263082 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
20263082 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
20263082 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
20263082 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
20263082 LP |
23 | #include <libudev.h> |
24 | #include <fcntl.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
5eda94dd | 27 | #include <linux/vt.h> |
23406ce5 | 28 | #include <sys/timerfd.h> |
20263082 | 29 | |
cc377381 | 30 | #include "sd-daemon.h" |
193197e8 LP |
31 | #include "strv.h" |
32 | #include "conf-parser.h" | |
bb27ff66 | 33 | #include "mkdir.h" |
cc377381 LP |
34 | #include "bus-util.h" |
35 | #include "bus-error.h" | |
36 | #include "logind.h" | |
20263082 | 37 | |
20263082 LP |
38 | Manager *manager_new(void) { |
39 | Manager *m; | |
cc377381 | 40 | int r; |
20263082 LP |
41 | |
42 | m = new0(Manager, 1); | |
43 | if (!m) | |
44 | return NULL; | |
45 | ||
46 | m->console_active_fd = -1; | |
98a77df5 | 47 | m->reserve_vt_fd = -1; |
069cfc85 | 48 | |
20263082 | 49 | m->n_autovts = 6; |
98a77df5 | 50 | m->reserve_vt = 6; |
eecd1362 | 51 | m->inhibit_delay_max = 5 * USEC_PER_SEC; |
beaafb2e | 52 | m->handle_power_key = HANDLE_POWEROFF; |
8e7fd6ad LP |
53 | m->handle_suspend_key = HANDLE_SUSPEND; |
54 | m->handle_hibernate_key = HANDLE_HIBERNATE; | |
beaafb2e LP |
55 | m->handle_lid_switch = HANDLE_SUSPEND; |
56 | m->lid_switch_ignore_inhibited = true; | |
20263082 | 57 | |
23406ce5 LP |
58 | m->idle_action_usec = 30 * USEC_PER_MINUTE; |
59 | m->idle_action = HANDLE_IGNORE; | |
60 | m->idle_action_not_before_usec = now(CLOCK_MONOTONIC); | |
61 | ||
20263082 LP |
62 | m->devices = hashmap_new(string_hash_func, string_compare_func); |
63 | m->seats = hashmap_new(string_hash_func, string_compare_func); | |
64 | m->sessions = hashmap_new(string_hash_func, string_compare_func); | |
65 | m->users = hashmap_new(trivial_hash_func, trivial_compare_func); | |
f8e2fb7b | 66 | m->inhibitors = hashmap_new(string_hash_func, string_compare_func); |
069cfc85 | 67 | m->buttons = hashmap_new(string_hash_func, string_compare_func); |
f8e2fb7b | 68 | |
fb6becb4 LP |
69 | m->user_units = hashmap_new(string_hash_func, string_compare_func); |
70 | m->session_units = hashmap_new(string_hash_func, string_compare_func); | |
8c8c4351 | 71 | |
cc377381 | 72 | m->busnames = set_new(string_hash_func, string_compare_func); |
20263082 | 73 | |
e8b212fe | 74 | if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames || |
1ee306e1 | 75 | !m->user_units || !m->session_units || |
cc377381 | 76 | !m->busnames) { |
25d93491 LP |
77 | manager_free(m); |
78 | return NULL; | |
79 | } | |
80 | ||
25d93491 | 81 | m->kill_exclude_users = strv_new("root", NULL); |
fb6becb4 | 82 | if (!m->kill_exclude_users) { |
20263082 LP |
83 | manager_free(m); |
84 | return NULL; | |
85 | } | |
86 | ||
87 | m->udev = udev_new(); | |
88 | if (!m->udev) { | |
89 | manager_free(m); | |
90 | return NULL; | |
91 | } | |
92 | ||
afc6adb5 | 93 | r = sd_event_default(&m->event); |
cc377381 LP |
94 | if (r < 0) { |
95 | manager_free(m); | |
96 | return NULL; | |
97 | } | |
98 | ||
cde93897 LP |
99 | sd_event_set_watchdog(m->event, true); |
100 | ||
20263082 LP |
101 | return m; |
102 | } | |
103 | ||
104 | void manager_free(Manager *m) { | |
105 | Session *session; | |
106 | User *u; | |
107 | Device *d; | |
108 | Seat *s; | |
f8e2fb7b | 109 | Inhibitor *i; |
069cfc85 | 110 | Button *b; |
20263082 LP |
111 | |
112 | assert(m); | |
113 | ||
114 | while ((session = hashmap_first(m->sessions))) | |
115 | session_free(session); | |
116 | ||
117 | while ((u = hashmap_first(m->users))) | |
118 | user_free(u); | |
119 | ||
120 | while ((d = hashmap_first(m->devices))) | |
121 | device_free(d); | |
122 | ||
123 | while ((s = hashmap_first(m->seats))) | |
124 | seat_free(s); | |
125 | ||
f8e2fb7b LP |
126 | while ((i = hashmap_first(m->inhibitors))) |
127 | inhibitor_free(i); | |
128 | ||
069cfc85 LP |
129 | while ((b = hashmap_first(m->buttons))) |
130 | button_free(b); | |
131 | ||
20263082 LP |
132 | hashmap_free(m->devices); |
133 | hashmap_free(m->seats); | |
f8e2fb7b LP |
134 | hashmap_free(m->sessions); |
135 | hashmap_free(m->users); | |
136 | hashmap_free(m->inhibitors); | |
069cfc85 | 137 | hashmap_free(m->buttons); |
f8e2fb7b | 138 | |
fb6becb4 LP |
139 | hashmap_free(m->user_units); |
140 | hashmap_free(m->session_units); | |
8c8c4351 | 141 | |
cc377381 LP |
142 | set_free_free(m->busnames); |
143 | ||
144 | sd_event_source_unref(m->idle_action_event_source); | |
145 | ||
146 | sd_event_source_unref(m->console_active_event_source); | |
147 | sd_event_source_unref(m->udev_seat_event_source); | |
148 | sd_event_source_unref(m->udev_device_event_source); | |
149 | sd_event_source_unref(m->udev_vcsa_event_source); | |
150 | sd_event_source_unref(m->udev_button_event_source); | |
20263082 LP |
151 | |
152 | if (m->console_active_fd >= 0) | |
153 | close_nointr_nofail(m->console_active_fd); | |
154 | ||
30ed21ce LP |
155 | if (m->udev_seat_monitor) |
156 | udev_monitor_unref(m->udev_seat_monitor); | |
718d006a DH |
157 | if (m->udev_device_monitor) |
158 | udev_monitor_unref(m->udev_device_monitor); | |
30ed21ce LP |
159 | if (m->udev_vcsa_monitor) |
160 | udev_monitor_unref(m->udev_vcsa_monitor); | |
069cfc85 LP |
161 | if (m->udev_button_monitor) |
162 | udev_monitor_unref(m->udev_button_monitor); | |
20263082 LP |
163 | |
164 | if (m->udev) | |
165 | udev_unref(m->udev); | |
166 | ||
cc377381 | 167 | bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry); |
20263082 | 168 | |
cc377381 LP |
169 | sd_bus_unref(m->bus); |
170 | sd_event_unref(m->event); | |
20263082 | 171 | |
98a77df5 LP |
172 | if (m->reserve_vt_fd >= 0) |
173 | close_nointr_nofail(m->reserve_vt_fd); | |
174 | ||
193197e8 LP |
175 | strv_free(m->kill_only_users); |
176 | strv_free(m->kill_exclude_users); | |
177 | ||
af9792ac | 178 | free(m->action_job); |
20263082 LP |
179 | free(m); |
180 | } | |
181 | ||
9588bc32 | 182 | static int manager_enumerate_devices(Manager *m) { |
20263082 LP |
183 | struct udev_list_entry *item = NULL, *first = NULL; |
184 | struct udev_enumerate *e; | |
14c3baca | 185 | int r; |
20263082 LP |
186 | |
187 | assert(m); | |
188 | ||
189 | /* Loads devices from udev and creates seats for them as | |
190 | * necessary */ | |
191 | ||
192 | e = udev_enumerate_new(m->udev); | |
14c3baca LP |
193 | if (!e) { |
194 | r = -ENOMEM; | |
5eda94dd | 195 | goto finish; |
14c3baca | 196 | } |
20263082 | 197 | |
2d96536d | 198 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 199 | if (r < 0) |
20263082 LP |
200 | goto finish; |
201 | ||
14c3baca LP |
202 | r = udev_enumerate_scan_devices(e); |
203 | if (r < 0) | |
20263082 LP |
204 | goto finish; |
205 | ||
206 | first = udev_enumerate_get_list_entry(e); | |
207 | udev_list_entry_foreach(item, first) { | |
208 | struct udev_device *d; | |
209 | int k; | |
210 | ||
211 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
14c3baca LP |
212 | if (!d) { |
213 | r = -ENOMEM; | |
20263082 | 214 | goto finish; |
14c3baca | 215 | } |
20263082 | 216 | |
30ed21ce | 217 | k = manager_process_seat_device(m, d); |
20263082 LP |
218 | udev_device_unref(d); |
219 | ||
220 | if (k < 0) | |
221 | r = k; | |
222 | } | |
223 | ||
224 | finish: | |
225 | if (e) | |
226 | udev_enumerate_unref(e); | |
227 | ||
228 | return r; | |
229 | } | |
230 | ||
9588bc32 | 231 | static int manager_enumerate_buttons(Manager *m) { |
069cfc85 LP |
232 | struct udev_list_entry *item = NULL, *first = NULL; |
233 | struct udev_enumerate *e; | |
234 | int r; | |
235 | ||
236 | assert(m); | |
237 | ||
238 | /* Loads buttons from udev */ | |
239 | ||
beaafb2e | 240 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
241 | m->handle_suspend_key == HANDLE_IGNORE && |
242 | m->handle_hibernate_key == HANDLE_IGNORE && | |
beaafb2e | 243 | m->handle_lid_switch == HANDLE_IGNORE) |
6de0e0e5 LP |
244 | return 0; |
245 | ||
069cfc85 LP |
246 | e = udev_enumerate_new(m->udev); |
247 | if (!e) { | |
248 | r = -ENOMEM; | |
249 | goto finish; | |
250 | } | |
251 | ||
252 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
253 | if (r < 0) | |
254 | goto finish; | |
255 | ||
256 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
257 | if (r < 0) | |
258 | goto finish; | |
259 | ||
260 | r = udev_enumerate_scan_devices(e); | |
261 | if (r < 0) | |
262 | goto finish; | |
263 | ||
264 | first = udev_enumerate_get_list_entry(e); | |
265 | udev_list_entry_foreach(item, first) { | |
266 | struct udev_device *d; | |
267 | int k; | |
268 | ||
269 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
270 | if (!d) { | |
271 | r = -ENOMEM; | |
272 | goto finish; | |
273 | } | |
274 | ||
275 | k = manager_process_button_device(m, d); | |
276 | udev_device_unref(d); | |
277 | ||
278 | if (k < 0) | |
279 | r = k; | |
280 | } | |
281 | ||
282 | finish: | |
283 | if (e) | |
284 | udev_enumerate_unref(e); | |
285 | ||
286 | return r; | |
287 | } | |
288 | ||
9588bc32 | 289 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 290 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
291 | struct dirent *de; |
292 | int r = 0; | |
293 | ||
294 | assert(m); | |
295 | ||
296 | /* This loads data about seats stored on disk, but does not | |
297 | * actually create any seats. Removes data of seats that no | |
298 | * longer exist. */ | |
299 | ||
300 | d = opendir("/run/systemd/seats"); | |
301 | if (!d) { | |
302 | if (errno == ENOENT) | |
303 | return 0; | |
304 | ||
305 | log_error("Failed to open /run/systemd/seats: %m"); | |
306 | return -errno; | |
307 | } | |
308 | ||
9444b1f2 | 309 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
310 | Seat *s; |
311 | int k; | |
312 | ||
313 | if (!dirent_is_file(de)) | |
314 | continue; | |
315 | ||
316 | s = hashmap_get(m->seats, de->d_name); | |
317 | if (!s) { | |
318 | unlinkat(dirfd(d), de->d_name, 0); | |
319 | continue; | |
320 | } | |
321 | ||
322 | k = seat_load(s); | |
323 | if (k < 0) | |
324 | r = k; | |
325 | } | |
326 | ||
14c3baca LP |
327 | return r; |
328 | } | |
20263082 | 329 | |
14c3baca | 330 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 331 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
332 | struct dirent *de; |
333 | int r = 0; | |
334 | ||
9444b1f2 LP |
335 | assert(m); |
336 | ||
14c3baca LP |
337 | d = opendir("/var/lib/systemd/linger"); |
338 | if (!d) { | |
339 | if (errno == ENOENT) | |
340 | return 0; | |
341 | ||
342 | log_error("Failed to open /var/lib/systemd/linger/: %m"); | |
343 | return -errno; | |
344 | } | |
345 | ||
9444b1f2 | 346 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
347 | int k; |
348 | ||
349 | if (!dirent_is_file(de)) | |
20263082 LP |
350 | continue; |
351 | ||
14c3baca LP |
352 | k = manager_add_user_by_name(m, de->d_name, NULL); |
353 | if (k < 0) { | |
354 | log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); | |
355 | r = k; | |
20263082 LP |
356 | } |
357 | } | |
358 | ||
20263082 LP |
359 | return r; |
360 | } | |
361 | ||
9588bc32 | 362 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 363 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 364 | struct dirent *de; |
14c3baca | 365 | int r, k; |
20263082 LP |
366 | |
367 | assert(m); | |
368 | ||
9444b1f2 | 369 | /* Add lingering users */ |
b3629c7d | 370 | r = manager_enumerate_linger_users(m); |
14c3baca | 371 | |
9444b1f2 | 372 | /* Read in user data stored on disk */ |
20263082 LP |
373 | d = opendir("/run/systemd/users"); |
374 | if (!d) { | |
375 | if (errno == ENOENT) | |
376 | return 0; | |
377 | ||
378 | log_error("Failed to open /run/systemd/users: %m"); | |
379 | return -errno; | |
380 | } | |
381 | ||
9444b1f2 | 382 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 383 | User *u; |
20263082 LP |
384 | |
385 | if (!dirent_is_file(de)) | |
386 | continue; | |
387 | ||
9444b1f2 | 388 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 389 | if (k < 0) { |
9444b1f2 | 390 | log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 391 | |
9444b1f2 | 392 | r = k; |
20263082 LP |
393 | continue; |
394 | } | |
395 | ||
9444b1f2 LP |
396 | user_add_to_gc_queue(u); |
397 | ||
20263082 LP |
398 | k = user_load(u); |
399 | if (k < 0) | |
400 | r = k; | |
401 | } | |
402 | ||
20263082 LP |
403 | return r; |
404 | } | |
405 | ||
9588bc32 | 406 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
407 | _cleanup_closedir_ DIR *d = NULL; |
408 | struct dirent *de; | |
20263082 LP |
409 | int r = 0; |
410 | ||
9444b1f2 LP |
411 | assert(m); |
412 | ||
413 | /* Read in session data stored on disk */ | |
414 | d = opendir("/run/systemd/sessions"); | |
415 | if (!d) { | |
416 | if (errno == ENOENT) | |
417 | return 0; | |
418 | ||
419 | log_error("Failed to open /run/systemd/sessions: %m"); | |
420 | return -errno; | |
421 | } | |
422 | ||
423 | FOREACH_DIRENT(de, d, return -errno) { | |
424 | struct Session *s; | |
20263082 LP |
425 | int k; |
426 | ||
9444b1f2 | 427 | if (!dirent_is_file(de)) |
14c3baca LP |
428 | continue; |
429 | ||
4b549144 ZJS |
430 | if (!session_id_valid(de->d_name)) { |
431 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
432 | r = -EINVAL; | |
433 | continue; | |
434 | } | |
435 | ||
9444b1f2 | 436 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 437 | if (k < 0) { |
9444b1f2 | 438 | log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 439 | |
20263082 LP |
440 | r = k; |
441 | continue; | |
442 | } | |
443 | ||
9444b1f2 | 444 | session_add_to_gc_queue(s); |
20263082 | 445 | |
9444b1f2 | 446 | k = session_load(s); |
20263082 LP |
447 | if (k < 0) |
448 | r = k; | |
449 | } | |
450 | ||
451 | return r; | |
452 | } | |
453 | ||
9588bc32 | 454 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 455 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
456 | struct dirent *de; |
457 | int r = 0; | |
458 | ||
459 | assert(m); | |
460 | ||
9444b1f2 | 461 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
462 | if (!d) { |
463 | if (errno == ENOENT) | |
464 | return 0; | |
465 | ||
9444b1f2 | 466 | log_error("Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
467 | return -errno; |
468 | } | |
469 | ||
9444b1f2 | 470 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 471 | int k; |
9444b1f2 | 472 | Inhibitor *i; |
20263082 LP |
473 | |
474 | if (!dirent_is_file(de)) | |
475 | continue; | |
476 | ||
9444b1f2 LP |
477 | k = manager_add_inhibitor(m, de->d_name, &i); |
478 | if (k < 0) { | |
479 | log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); | |
480 | r = k; | |
20263082 LP |
481 | continue; |
482 | } | |
483 | ||
9444b1f2 | 484 | k = inhibitor_load(i); |
20263082 LP |
485 | if (k < 0) |
486 | r = k; | |
487 | } | |
488 | ||
20263082 LP |
489 | return r; |
490 | } | |
491 | ||
cc377381 LP |
492 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
493 | Manager *m = userdata; | |
20263082 LP |
494 | struct udev_device *d; |
495 | int r; | |
496 | ||
497 | assert(m); | |
498 | ||
30ed21ce | 499 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
500 | if (!d) |
501 | return -ENOMEM; | |
502 | ||
30ed21ce LP |
503 | r = manager_process_seat_device(m, d); |
504 | udev_device_unref(d); | |
505 | ||
506 | return r; | |
507 | } | |
508 | ||
cc377381 LP |
509 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
510 | Manager *m = userdata; | |
718d006a DH |
511 | struct udev_device *d; |
512 | int r; | |
513 | ||
514 | assert(m); | |
515 | ||
516 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
517 | if (!d) | |
518 | return -ENOMEM; | |
519 | ||
520 | r = manager_process_seat_device(m, d); | |
521 | udev_device_unref(d); | |
522 | ||
523 | return r; | |
524 | } | |
525 | ||
cc377381 LP |
526 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
527 | Manager *m = userdata; | |
30ed21ce LP |
528 | struct udev_device *d; |
529 | int r = 0; | |
530 | const char *name; | |
531 | ||
532 | assert(m); | |
533 | ||
534 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
535 | if (!d) | |
536 | return -ENOMEM; | |
537 | ||
538 | name = udev_device_get_sysname(d); | |
539 | ||
540 | /* Whenever a VCSA device is removed try to reallocate our | |
541 | * VTs, to make sure our auto VTs never go away. */ | |
542 | ||
543 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
92432fcc | 544 | r = seat_preallocate_vts(m->seat0); |
30ed21ce | 545 | |
20263082 LP |
546 | udev_device_unref(d); |
547 | ||
548 | return r; | |
549 | } | |
550 | ||
cc377381 LP |
551 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
552 | Manager *m = userdata; | |
069cfc85 LP |
553 | struct udev_device *d; |
554 | int r; | |
555 | ||
556 | assert(m); | |
557 | ||
558 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
559 | if (!d) | |
560 | return -ENOMEM; | |
561 | ||
562 | r = manager_process_button_device(m, d); | |
563 | udev_device_unref(d); | |
564 | ||
565 | return r; | |
566 | } | |
567 | ||
cc377381 LP |
568 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
569 | Manager *m = userdata; | |
570 | ||
20263082 | 571 | assert(m); |
92432fcc | 572 | assert(m->seat0); |
cc377381 | 573 | assert(m->console_active_fd == fd); |
20263082 | 574 | |
92432fcc | 575 | seat_read_active_vt(m->seat0); |
20263082 LP |
576 | |
577 | return 0; | |
578 | } | |
579 | ||
98a77df5 LP |
580 | static int manager_reserve_vt(Manager *m) { |
581 | _cleanup_free_ char *p = NULL; | |
582 | ||
583 | assert(m); | |
584 | ||
585 | if (m->reserve_vt <= 0) | |
586 | return 0; | |
587 | ||
588 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
589 | return log_oom(); | |
590 | ||
591 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
592 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
593 | |
594 | /* Don't complain on VT-less systems */ | |
595 | if (errno != ENOENT) | |
596 | log_warning("Failed to pin reserved VT: %m"); | |
98a77df5 LP |
597 | return -errno; |
598 | } | |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
cc377381 LP |
603 | static int manager_connect_bus(Manager *m) { |
604 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
605 | int r; | |
31b79c2b | 606 | |
cc377381 LP |
607 | assert(m); |
608 | assert(!m->bus); | |
31b79c2b | 609 | |
76b54375 | 610 | r = sd_bus_default_system(&m->bus); |
cc377381 LP |
611 | if (r < 0) { |
612 | log_error("Failed to connect to system bus: %s", strerror(-r)); | |
613 | return r; | |
f8e2fb7b | 614 | } |
31b79c2b | 615 | |
cc377381 LP |
616 | r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
617 | if (r < 0) { | |
618 | log_error("Failed to add manager object vtable: %s", strerror(-r)); | |
619 | return r; | |
f8e2fb7b LP |
620 | } |
621 | ||
cc377381 LP |
622 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
623 | if (r < 0) { | |
624 | log_error("Failed to add seat object vtable: %s", strerror(-r)); | |
625 | return r; | |
069cfc85 LP |
626 | } |
627 | ||
cc377381 LP |
628 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
629 | if (r < 0) { | |
630 | log_error("Failed to add seat enumerator: %s", strerror(-r)); | |
631 | return r; | |
632 | } | |
20263082 | 633 | |
cc377381 LP |
634 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
635 | if (r < 0) { | |
636 | log_error("Failed to add session object vtable: %s", strerror(-r)); | |
637 | return r; | |
638 | } | |
20263082 | 639 | |
cc377381 LP |
640 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m); |
641 | if (r < 0) { | |
642 | log_error("Failed to add session enumerator: %s", strerror(-r)); | |
643 | return r; | |
644 | } | |
20263082 | 645 | |
cc377381 LP |
646 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
647 | if (r < 0) { | |
648 | log_error("Failed to add user object vtable: %s", strerror(-r)); | |
649 | return r; | |
20263082 LP |
650 | } |
651 | ||
cc377381 LP |
652 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m); |
653 | if (r < 0) { | |
654 | log_error("Failed to add user enumerator: %s", strerror(-r)); | |
655 | return r; | |
20263082 LP |
656 | } |
657 | ||
cc377381 LP |
658 | r = sd_bus_add_match(m->bus, |
659 | "type='signal'," | |
660 | "sender='org.freedesktop.DBus'," | |
661 | "interface='org.freedesktop.DBus'," | |
662 | "member='NameOwnerChanged'," | |
663 | "path='/org/freedesktop/DBus'", | |
664 | match_name_owner_changed, m); | |
665 | if (r < 0) { | |
666 | log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r)); | |
667 | return r; | |
e8b212fe DH |
668 | } |
669 | ||
cc377381 LP |
670 | r = sd_bus_add_match(m->bus, |
671 | "type='signal'," | |
672 | "sender='org.freedesktop.systemd1'," | |
673 | "interface='org.freedesktop.systemd1.Manager'," | |
674 | "member='JobRemoved'," | |
675 | "path='/org/freedesktop/systemd1'", | |
676 | match_job_removed, m); | |
677 | if (r < 0) { | |
678 | log_error("Failed to add match for JobRemoved: %s", strerror(-r)); | |
679 | return r; | |
943aca8e LP |
680 | } |
681 | ||
cc377381 LP |
682 | r = sd_bus_add_match(m->bus, |
683 | "type='signal'," | |
684 | "sender='org.freedesktop.systemd1'," | |
685 | "interface='org.freedesktop.systemd1.Manager'," | |
686 | "member='UnitRemoved'," | |
687 | "path='/org/freedesktop/systemd1'", | |
688 | match_unit_removed, m); | |
689 | if (r < 0) { | |
690 | log_error("Failed to add match for UnitRemoved: %s", strerror(-r)); | |
691 | return r; | |
fb6becb4 LP |
692 | } |
693 | ||
cc377381 LP |
694 | r = sd_bus_add_match(m->bus, |
695 | "type='signal'," | |
696 | "sender='org.freedesktop.systemd1'," | |
697 | "interface='org.freedesktop.DBus.Properties'," | |
698 | "member='PropertiesChanged'", | |
699 | match_properties_changed, m); | |
700 | if (r < 0) { | |
701 | log_error("Failed to add match for PropertiesChanged: %s", strerror(-r)); | |
702 | return r; | |
fb6becb4 LP |
703 | } |
704 | ||
cc377381 LP |
705 | r = sd_bus_add_match(m->bus, |
706 | "type='signal'," | |
707 | "sender='org.freedesktop.systemd1'," | |
708 | "interface='org.freedesktop.systemd1.Manager'," | |
709 | "member='Reloading'," | |
710 | "path='/org/freedesktop/systemd1'", | |
711 | match_reloading, m); | |
712 | if (r < 0) { | |
713 | log_error("Failed to add match for Reloading: %s", strerror(-r)); | |
714 | return r; | |
6797c324 LP |
715 | } |
716 | ||
cc377381 | 717 | r = sd_bus_call_method( |
fb6becb4 LP |
718 | m->bus, |
719 | "org.freedesktop.systemd1", | |
720 | "/org/freedesktop/systemd1", | |
721 | "org.freedesktop.systemd1.Manager", | |
722 | "Subscribe", | |
fb6becb4 | 723 | &error, |
cc377381 | 724 | NULL, NULL); |
fb6becb4 | 725 | if (r < 0) { |
cc377381 LP |
726 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
727 | return r; | |
20263082 LP |
728 | } |
729 | ||
5bb658a1 | 730 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
cc377381 LP |
731 | if (r < 0) { |
732 | log_error("Failed to register name: %s", strerror(-r)); | |
733 | return r; | |
bafd4449 LP |
734 | } |
735 | ||
cc377381 LP |
736 | r = sd_bus_attach_event(m->bus, m->event, 0); |
737 | if (r < 0) { | |
738 | log_error("Failed to attach bus to event loop: %s", strerror(-r)); | |
739 | return r; | |
20263082 LP |
740 | } |
741 | ||
20263082 | 742 | return 0; |
20263082 LP |
743 | } |
744 | ||
745 | static int manager_connect_console(Manager *m) { | |
cc377381 | 746 | int r; |
20263082 LP |
747 | |
748 | assert(m); | |
749 | assert(m->console_active_fd < 0); | |
750 | ||
74afee9c LP |
751 | /* On certain architectures (S390 and Xen, and containers), |
752 | /dev/tty0 does not exist, so don't fail if we can't open | |
753 | it. */ | |
cc377381 | 754 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 755 | return 0; |
74afee9c | 756 | |
20263082 LP |
757 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
758 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
759 | |
760 | /* On some systems the device node /dev/tty0 may exist | |
761 | * even though /sys/class/tty/tty0 does not. */ | |
762 | if (errno == ENOENT) | |
763 | return 0; | |
764 | ||
20263082 LP |
765 | log_error("Failed to open /sys/class/tty/tty0/active: %m"); |
766 | return -errno; | |
767 | } | |
768 | ||
cc377381 LP |
769 | r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source); |
770 | if (r < 0) { | |
771 | log_error("Failed to watch foreground console"); | |
772 | return r; | |
773 | } | |
20263082 LP |
774 | |
775 | return 0; | |
776 | } | |
777 | ||
778 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 779 | int r; |
20263082 LP |
780 | |
781 | assert(m); | |
30ed21ce | 782 | assert(!m->udev_seat_monitor); |
718d006a | 783 | assert(!m->udev_device_monitor); |
30ed21ce | 784 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 785 | assert(!m->udev_button_monitor); |
20263082 | 786 | |
30ed21ce LP |
787 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
788 | if (!m->udev_seat_monitor) | |
20263082 LP |
789 | return -ENOMEM; |
790 | ||
2d96536d | 791 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
792 | if (r < 0) |
793 | return r; | |
20263082 | 794 | |
30ed21ce | 795 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
796 | if (r < 0) |
797 | return r; | |
20263082 | 798 | |
cc377381 LP |
799 | r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m, &m->udev_seat_event_source); |
800 | if (r < 0) | |
801 | return r; | |
069cfc85 | 802 | |
718d006a DH |
803 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
804 | if (!m->udev_device_monitor) | |
805 | return -ENOMEM; | |
806 | ||
807 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
808 | if (r < 0) | |
809 | return r; | |
810 | ||
811 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
812 | if (r < 0) | |
813 | return r; | |
814 | ||
815 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
816 | if (r < 0) | |
817 | return r; | |
818 | ||
819 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
820 | if (r < 0) | |
821 | return r; | |
822 | ||
cc377381 LP |
823 | r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m, &m->udev_device_event_source); |
824 | if (r < 0) | |
825 | return r; | |
718d006a | 826 | |
6de0e0e5 | 827 | /* Don't watch keys if nobody cares */ |
beaafb2e | 828 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
829 | m->handle_suspend_key != HANDLE_IGNORE || |
830 | m->handle_hibernate_key != HANDLE_IGNORE || | |
beaafb2e | 831 | m->handle_lid_switch != HANDLE_IGNORE) { |
069cfc85 | 832 | |
6de0e0e5 LP |
833 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
834 | if (!m->udev_button_monitor) | |
835 | return -ENOMEM; | |
069cfc85 | 836 | |
6de0e0e5 LP |
837 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
838 | if (r < 0) | |
839 | return r; | |
069cfc85 | 840 | |
6de0e0e5 LP |
841 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
842 | if (r < 0) | |
843 | return r; | |
069cfc85 | 844 | |
6de0e0e5 LP |
845 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
846 | if (r < 0) | |
847 | return r; | |
069cfc85 | 848 | |
cc377381 LP |
849 | r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m, &m->udev_button_event_source); |
850 | if (r < 0) | |
851 | return r; | |
6de0e0e5 | 852 | } |
069cfc85 | 853 | |
976c088a | 854 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 855 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 856 | |
6de0e0e5 LP |
857 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
858 | if (!m->udev_vcsa_monitor) | |
859 | return -ENOMEM; | |
30ed21ce | 860 | |
6de0e0e5 LP |
861 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
862 | if (r < 0) | |
863 | return r; | |
30ed21ce | 864 | |
6de0e0e5 LP |
865 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
866 | if (r < 0) | |
867 | return r; | |
30ed21ce | 868 | |
cc377381 LP |
869 | r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m, &m->udev_vcsa_event_source); |
870 | if (r < 0) | |
871 | return r; | |
6de0e0e5 | 872 | } |
20263082 LP |
873 | |
874 | return 0; | |
875 | } | |
876 | ||
4a4b033f | 877 | void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
878 | Seat *seat; |
879 | Session *session; | |
880 | User *user; | |
881 | ||
882 | assert(m); | |
883 | ||
884 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 885 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
886 | seat->in_gc_queue = false; |
887 | ||
cc377381 | 888 | if (!seat_check_gc(seat, drop_not_started)) { |
14c3baca LP |
889 | seat_stop(seat); |
890 | seat_free(seat); | |
891 | } | |
892 | } | |
893 | ||
894 | while ((session = m->session_gc_queue)) { | |
71fda00f | 895 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
896 | session->in_gc_queue = false; |
897 | ||
cc377381 | 898 | if (!session_check_gc(session, drop_not_started)) { |
14c3baca | 899 | session_stop(session); |
405e0255 | 900 | session_finalize(session); |
14c3baca LP |
901 | session_free(session); |
902 | } | |
903 | } | |
904 | ||
905 | while ((user = m->user_gc_queue)) { | |
71fda00f | 906 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
907 | user->in_gc_queue = false; |
908 | ||
cc377381 | 909 | if (!user_check_gc(user, drop_not_started)) { |
14c3baca | 910 | user_stop(user); |
405e0255 | 911 | user_finalize(user); |
14c3baca LP |
912 | user_free(user); |
913 | } | |
914 | } | |
915 | } | |
916 | ||
cc377381 LP |
917 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
918 | Manager *m = userdata; | |
23406ce5 | 919 | struct dual_timestamp since; |
cc377381 | 920 | usec_t n, elapse; |
23406ce5 | 921 | int r; |
23406ce5 LP |
922 | |
923 | assert(m); | |
924 | ||
925 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
926 | m->idle_action_usec <= 0) |
927 | return 0; | |
23406ce5 | 928 | |
23406ce5 LP |
929 | n = now(CLOCK_MONOTONIC); |
930 | ||
931 | r = manager_get_idle_hint(m, &since); | |
932 | if (r <= 0) | |
39ccc87c | 933 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 934 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
935 | else { |
936 | /* Idle! Let's see if it's time to do something, or if | |
937 | * we shall sleep for longer. */ | |
938 | ||
939 | if (n >= since.monotonic + m->idle_action_usec && | |
940 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
941 | log_info("System idle. Taking action."); | |
942 | ||
943 | manager_handle_action(m, 0, m->idle_action, false, false); | |
944 | m->idle_action_not_before_usec = n; | |
945 | } | |
946 | ||
cc377381 | 947 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
948 | } |
949 | ||
cc377381 | 950 | if (!m->idle_action_event_source) { |
23406ce5 | 951 | |
cc377381 LP |
952 | r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source); |
953 | if (r < 0) { | |
954 | log_error("Failed to add idle event source: %s", strerror(-r)); | |
955 | return r; | |
23406ce5 LP |
956 | } |
957 | ||
718db961 | 958 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
cc377381 LP |
959 | if (r < 0) { |
960 | log_error("Failed to set idle event source priority: %s", strerror(-r)); | |
961 | return r; | |
962 | } | |
963 | } else { | |
964 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
965 | if (r < 0) { | |
966 | log_error("Failed to set idle event timer: %s", strerror(-r)); | |
967 | return r; | |
23406ce5 | 968 | } |
23406ce5 | 969 | |
cc377381 LP |
970 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
971 | if (r < 0) { | |
972 | log_error("Failed to enable idle event timer: %s", strerror(-r)); | |
973 | return r; | |
974 | } | |
23406ce5 LP |
975 | } |
976 | ||
977 | return 0; | |
23406ce5 | 978 | } |
cc377381 | 979 | |
20263082 LP |
980 | int manager_startup(Manager *m) { |
981 | int r; | |
14c3baca LP |
982 | Seat *seat; |
983 | Session *session; | |
984 | User *user; | |
f8e2fb7b | 985 | Inhibitor *inhibitor; |
14c3baca | 986 | Iterator i; |
20263082 LP |
987 | |
988 | assert(m); | |
20263082 | 989 | |
976c088a LP |
990 | /* Connect to console */ |
991 | r = manager_connect_console(m); | |
20263082 LP |
992 | if (r < 0) |
993 | return r; | |
994 | ||
976c088a LP |
995 | /* Connect to udev */ |
996 | r = manager_connect_udev(m); | |
cc377381 LP |
997 | if (r < 0) { |
998 | log_error("Failed to create udev watchers: %s", strerror(-r)); | |
20263082 | 999 | return r; |
cc377381 | 1000 | } |
20263082 LP |
1001 | |
1002 | /* Connect to the bus */ | |
1003 | r = manager_connect_bus(m); | |
1004 | if (r < 0) | |
1005 | return r; | |
1006 | ||
14c3baca | 1007 | /* Instantiate magic seat 0 */ |
92432fcc | 1008 | r = manager_add_seat(m, "seat0", &m->seat0); |
cc377381 LP |
1009 | if (r < 0) { |
1010 | log_error("Failed to add seat0: %s", strerror(-r)); | |
14c3baca | 1011 | return r; |
cc377381 | 1012 | } |
14c3baca | 1013 | |
20263082 | 1014 | /* Deserialize state */ |
042f5988 ZJS |
1015 | r = manager_enumerate_devices(m); |
1016 | if (r < 0) | |
1017 | log_warning("Device enumeration failed: %s", strerror(-r)); | |
1018 | ||
1019 | r = manager_enumerate_seats(m); | |
1020 | if (r < 0) | |
1021 | log_warning("Seat enumeration failed: %s", strerror(-r)); | |
1022 | ||
1023 | r = manager_enumerate_users(m); | |
1024 | if (r < 0) | |
1025 | log_warning("User enumeration failed: %s", strerror(-r)); | |
1026 | ||
1027 | r = manager_enumerate_sessions(m); | |
1028 | if (r < 0) | |
1029 | log_warning("Session enumeration failed: %s", strerror(-r)); | |
1030 | ||
1031 | r = manager_enumerate_inhibitors(m); | |
1032 | if (r < 0) | |
1033 | log_warning("Inhibitor enumeration failed: %s", strerror(-r)); | |
1034 | ||
1035 | r = manager_enumerate_buttons(m); | |
1036 | if (r < 0) | |
1037 | log_warning("Button enumeration failed: %s", strerror(-r)); | |
20263082 | 1038 | |
4a4b033f LP |
1039 | /* Remove stale objects before we start them */ |
1040 | manager_gc(m, false); | |
1041 | ||
98a77df5 LP |
1042 | /* Reserve the special reserved VT */ |
1043 | manager_reserve_vt(m); | |
1044 | ||
14c3baca LP |
1045 | /* And start everything */ |
1046 | HASHMAP_FOREACH(seat, m->seats, i) | |
1047 | seat_start(seat); | |
1048 | ||
1049 | HASHMAP_FOREACH(user, m->users, i) | |
1050 | user_start(user); | |
1051 | ||
1052 | HASHMAP_FOREACH(session, m->sessions, i) | |
1053 | session_start(session); | |
20263082 | 1054 | |
f8e2fb7b LP |
1055 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1056 | inhibitor_start(inhibitor); | |
1057 | ||
cc377381 | 1058 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1059 | |
20263082 LP |
1060 | return 0; |
1061 | } | |
1062 | ||
65b51162 LP |
1063 | static int manager_recheck_buttons(Manager *m) { |
1064 | Iterator i; | |
1065 | Button *b; | |
1066 | int r = 0; | |
1067 | ||
1068 | assert(m); | |
1069 | ||
1070 | HASHMAP_FOREACH(b, m->buttons, i) { | |
1071 | int q; | |
1072 | ||
1073 | q = button_recheck(b); | |
1074 | if (q > 0) | |
1075 | return 1; | |
1076 | if (q < 0) | |
1077 | r = q; | |
1078 | } | |
1079 | ||
1080 | return r; | |
1081 | } | |
1082 | ||
20263082 | 1083 | int manager_run(Manager *m) { |
cc377381 LP |
1084 | int r; |
1085 | ||
20263082 LP |
1086 | assert(m); |
1087 | ||
1088 | for (;;) { | |
cc377381 LP |
1089 | usec_t us = (uint64_t) -1; |
1090 | ||
1091 | r = sd_event_get_state(m->event); | |
1092 | if (r < 0) | |
1093 | return r; | |
1094 | if (r == SD_EVENT_FINISHED) | |
1095 | return 0; | |
20263082 | 1096 | |
4a4b033f | 1097 | manager_gc(m, true); |
14c3baca | 1098 | |
d889a206 | 1099 | if (manager_dispatch_delayed(m) > 0) |
eecd1362 LP |
1100 | continue; |
1101 | ||
65b51162 LP |
1102 | if (manager_recheck_buttons(m) > 0) |
1103 | continue; | |
1104 | ||
84286536 | 1105 | if (m->action_what != 0 && !m->action_job) { |
eecd1362 LP |
1106 | usec_t x, y; |
1107 | ||
1108 | x = now(CLOCK_MONOTONIC); | |
314b4b0a | 1109 | y = m->action_timestamp + m->inhibit_delay_max; |
eecd1362 | 1110 | |
cc377381 | 1111 | us = x >= y ? 0 : y - x; |
eecd1362 LP |
1112 | } |
1113 | ||
cc377381 LP |
1114 | r = sd_event_run(m->event, us); |
1115 | if (r < 0) | |
1116 | return r; | |
20263082 LP |
1117 | } |
1118 | ||
1119 | return 0; | |
1120 | } | |
1121 | ||
193197e8 | 1122 | static int manager_parse_config_file(Manager *m) { |
db5c0122 LP |
1123 | static const char fn[] = "/etc/systemd/logind.conf"; |
1124 | _cleanup_fclose_ FILE *f = NULL; | |
193197e8 LP |
1125 | int r; |
1126 | ||
1127 | assert(m); | |
1128 | ||
193197e8 LP |
1129 | f = fopen(fn, "re"); |
1130 | if (!f) { | |
1131 | if (errno == ENOENT) | |
1132 | return 0; | |
1133 | ||
1134 | log_warning("Failed to open configuration file %s: %m", fn); | |
1135 | return -errno; | |
1136 | } | |
1137 | ||
db5c0122 LP |
1138 | r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup, |
1139 | (void*) logind_gperf_lookup, false, false, m); | |
193197e8 LP |
1140 | if (r < 0) |
1141 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
1142 | ||
193197e8 LP |
1143 | return r; |
1144 | } | |
1145 | ||
20263082 LP |
1146 | int main(int argc, char *argv[]) { |
1147 | Manager *m = NULL; | |
5eda94dd | 1148 | int r; |
20263082 LP |
1149 | |
1150 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1151 | log_set_facility(LOG_AUTH); |
20263082 LP |
1152 | log_parse_environment(); |
1153 | log_open(); | |
1154 | ||
4c12626c LP |
1155 | umask(0022); |
1156 | ||
20263082 LP |
1157 | if (argc != 1) { |
1158 | log_error("This program takes no arguments."); | |
1159 | r = -EINVAL; | |
1160 | goto finish; | |
1161 | } | |
1162 | ||
bb27ff66 LP |
1163 | /* Always create the directories people can create inotify |
1164 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1165 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1166 | * logind is available, so please always make sure this check |
1167 | * stays in. */ | |
1168 | mkdir_label("/run/systemd/seats", 0755); | |
1169 | mkdir_label("/run/systemd/users", 0755); | |
1170 | mkdir_label("/run/systemd/sessions", 0755); | |
1171 | ||
20263082 LP |
1172 | m = manager_new(); |
1173 | if (!m) { | |
0d0f0c50 | 1174 | r = log_oom(); |
20263082 LP |
1175 | goto finish; |
1176 | } | |
1177 | ||
193197e8 LP |
1178 | manager_parse_config_file(m); |
1179 | ||
20263082 LP |
1180 | r = manager_startup(m); |
1181 | if (r < 0) { | |
1182 | log_error("Failed to fully start up daemon: %s", strerror(-r)); | |
1183 | goto finish; | |
1184 | } | |
1185 | ||
e6960940 LP |
1186 | log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); |
1187 | ||
1188 | sd_notify(false, | |
1189 | "READY=1\n" | |
1190 | "STATUS=Processing requests..."); | |
1191 | ||
20263082 LP |
1192 | r = manager_run(m); |
1193 | ||
e6960940 LP |
1194 | log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); |
1195 | ||
20263082 | 1196 | finish: |
e6960940 LP |
1197 | sd_notify(false, |
1198 | "STATUS=Shutting down..."); | |
1199 | ||
20263082 LP |
1200 | if (m) |
1201 | manager_free(m); | |
1202 | ||
1203 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1204 | } |