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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 | ||
cc377381 LP |
93 | r = sd_event_new(&m->event); |
94 | if (r < 0) { | |
95 | manager_free(m); | |
96 | return NULL; | |
97 | } | |
98 | ||
20263082 LP |
99 | return m; |
100 | } | |
101 | ||
102 | void manager_free(Manager *m) { | |
103 | Session *session; | |
104 | User *u; | |
105 | Device *d; | |
106 | Seat *s; | |
f8e2fb7b | 107 | Inhibitor *i; |
069cfc85 | 108 | Button *b; |
20263082 LP |
109 | |
110 | assert(m); | |
111 | ||
112 | while ((session = hashmap_first(m->sessions))) | |
113 | session_free(session); | |
114 | ||
115 | while ((u = hashmap_first(m->users))) | |
116 | user_free(u); | |
117 | ||
118 | while ((d = hashmap_first(m->devices))) | |
119 | device_free(d); | |
120 | ||
121 | while ((s = hashmap_first(m->seats))) | |
122 | seat_free(s); | |
123 | ||
f8e2fb7b LP |
124 | while ((i = hashmap_first(m->inhibitors))) |
125 | inhibitor_free(i); | |
126 | ||
069cfc85 LP |
127 | while ((b = hashmap_first(m->buttons))) |
128 | button_free(b); | |
129 | ||
20263082 LP |
130 | hashmap_free(m->devices); |
131 | hashmap_free(m->seats); | |
f8e2fb7b LP |
132 | hashmap_free(m->sessions); |
133 | hashmap_free(m->users); | |
134 | hashmap_free(m->inhibitors); | |
069cfc85 | 135 | hashmap_free(m->buttons); |
f8e2fb7b | 136 | |
fb6becb4 LP |
137 | hashmap_free(m->user_units); |
138 | hashmap_free(m->session_units); | |
8c8c4351 | 139 | |
cc377381 LP |
140 | set_free_free(m->busnames); |
141 | ||
142 | sd_event_source_unref(m->idle_action_event_source); | |
143 | ||
144 | sd_event_source_unref(m->console_active_event_source); | |
145 | sd_event_source_unref(m->udev_seat_event_source); | |
146 | sd_event_source_unref(m->udev_device_event_source); | |
147 | sd_event_source_unref(m->udev_vcsa_event_source); | |
148 | sd_event_source_unref(m->udev_button_event_source); | |
20263082 LP |
149 | |
150 | if (m->console_active_fd >= 0) | |
151 | close_nointr_nofail(m->console_active_fd); | |
152 | ||
30ed21ce LP |
153 | if (m->udev_seat_monitor) |
154 | udev_monitor_unref(m->udev_seat_monitor); | |
718d006a DH |
155 | if (m->udev_device_monitor) |
156 | udev_monitor_unref(m->udev_device_monitor); | |
30ed21ce LP |
157 | if (m->udev_vcsa_monitor) |
158 | udev_monitor_unref(m->udev_vcsa_monitor); | |
069cfc85 LP |
159 | if (m->udev_button_monitor) |
160 | udev_monitor_unref(m->udev_button_monitor); | |
20263082 LP |
161 | |
162 | if (m->udev) | |
163 | udev_unref(m->udev); | |
164 | ||
cc377381 | 165 | bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry); |
20263082 | 166 | |
cc377381 LP |
167 | sd_bus_unref(m->bus); |
168 | sd_event_unref(m->event); | |
20263082 | 169 | |
98a77df5 LP |
170 | if (m->reserve_vt_fd >= 0) |
171 | close_nointr_nofail(m->reserve_vt_fd); | |
172 | ||
193197e8 LP |
173 | strv_free(m->kill_only_users); |
174 | strv_free(m->kill_exclude_users); | |
175 | ||
af9792ac | 176 | free(m->action_job); |
20263082 LP |
177 | free(m); |
178 | } | |
179 | ||
20263082 LP |
180 | int manager_enumerate_devices(Manager *m) { |
181 | struct udev_list_entry *item = NULL, *first = NULL; | |
182 | struct udev_enumerate *e; | |
14c3baca | 183 | int r; |
20263082 LP |
184 | |
185 | assert(m); | |
186 | ||
187 | /* Loads devices from udev and creates seats for them as | |
188 | * necessary */ | |
189 | ||
190 | e = udev_enumerate_new(m->udev); | |
14c3baca LP |
191 | if (!e) { |
192 | r = -ENOMEM; | |
5eda94dd | 193 | goto finish; |
14c3baca | 194 | } |
20263082 | 195 | |
2d96536d | 196 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 197 | if (r < 0) |
20263082 LP |
198 | goto finish; |
199 | ||
14c3baca LP |
200 | r = udev_enumerate_scan_devices(e); |
201 | if (r < 0) | |
20263082 LP |
202 | goto finish; |
203 | ||
204 | first = udev_enumerate_get_list_entry(e); | |
205 | udev_list_entry_foreach(item, first) { | |
206 | struct udev_device *d; | |
207 | int k; | |
208 | ||
209 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
14c3baca LP |
210 | if (!d) { |
211 | r = -ENOMEM; | |
20263082 | 212 | goto finish; |
14c3baca | 213 | } |
20263082 | 214 | |
30ed21ce | 215 | k = manager_process_seat_device(m, d); |
20263082 LP |
216 | udev_device_unref(d); |
217 | ||
218 | if (k < 0) | |
219 | r = k; | |
220 | } | |
221 | ||
222 | finish: | |
223 | if (e) | |
224 | udev_enumerate_unref(e); | |
225 | ||
226 | return r; | |
227 | } | |
228 | ||
069cfc85 LP |
229 | int manager_enumerate_buttons(Manager *m) { |
230 | struct udev_list_entry *item = NULL, *first = NULL; | |
231 | struct udev_enumerate *e; | |
232 | int r; | |
233 | ||
234 | assert(m); | |
235 | ||
236 | /* Loads buttons from udev */ | |
237 | ||
beaafb2e | 238 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
239 | m->handle_suspend_key == HANDLE_IGNORE && |
240 | m->handle_hibernate_key == HANDLE_IGNORE && | |
beaafb2e | 241 | m->handle_lid_switch == HANDLE_IGNORE) |
6de0e0e5 LP |
242 | return 0; |
243 | ||
069cfc85 LP |
244 | e = udev_enumerate_new(m->udev); |
245 | if (!e) { | |
246 | r = -ENOMEM; | |
247 | goto finish; | |
248 | } | |
249 | ||
250 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
251 | if (r < 0) | |
252 | goto finish; | |
253 | ||
254 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
255 | if (r < 0) | |
256 | goto finish; | |
257 | ||
258 | r = udev_enumerate_scan_devices(e); | |
259 | if (r < 0) | |
260 | goto finish; | |
261 | ||
262 | first = udev_enumerate_get_list_entry(e); | |
263 | udev_list_entry_foreach(item, first) { | |
264 | struct udev_device *d; | |
265 | int k; | |
266 | ||
267 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
268 | if (!d) { | |
269 | r = -ENOMEM; | |
270 | goto finish; | |
271 | } | |
272 | ||
273 | k = manager_process_button_device(m, d); | |
274 | udev_device_unref(d); | |
275 | ||
276 | if (k < 0) | |
277 | r = k; | |
278 | } | |
279 | ||
280 | finish: | |
281 | if (e) | |
282 | udev_enumerate_unref(e); | |
283 | ||
284 | return r; | |
285 | } | |
286 | ||
20263082 | 287 | int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 288 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
289 | struct dirent *de; |
290 | int r = 0; | |
291 | ||
292 | assert(m); | |
293 | ||
294 | /* This loads data about seats stored on disk, but does not | |
295 | * actually create any seats. Removes data of seats that no | |
296 | * longer exist. */ | |
297 | ||
298 | d = opendir("/run/systemd/seats"); | |
299 | if (!d) { | |
300 | if (errno == ENOENT) | |
301 | return 0; | |
302 | ||
303 | log_error("Failed to open /run/systemd/seats: %m"); | |
304 | return -errno; | |
305 | } | |
306 | ||
9444b1f2 | 307 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
308 | Seat *s; |
309 | int k; | |
310 | ||
311 | if (!dirent_is_file(de)) | |
312 | continue; | |
313 | ||
314 | s = hashmap_get(m->seats, de->d_name); | |
315 | if (!s) { | |
316 | unlinkat(dirfd(d), de->d_name, 0); | |
317 | continue; | |
318 | } | |
319 | ||
320 | k = seat_load(s); | |
321 | if (k < 0) | |
322 | r = k; | |
323 | } | |
324 | ||
14c3baca LP |
325 | return r; |
326 | } | |
20263082 | 327 | |
14c3baca | 328 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 329 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
330 | struct dirent *de; |
331 | int r = 0; | |
332 | ||
9444b1f2 LP |
333 | assert(m); |
334 | ||
14c3baca LP |
335 | d = opendir("/var/lib/systemd/linger"); |
336 | if (!d) { | |
337 | if (errno == ENOENT) | |
338 | return 0; | |
339 | ||
340 | log_error("Failed to open /var/lib/systemd/linger/: %m"); | |
341 | return -errno; | |
342 | } | |
343 | ||
9444b1f2 | 344 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
345 | int k; |
346 | ||
347 | if (!dirent_is_file(de)) | |
20263082 LP |
348 | continue; |
349 | ||
14c3baca LP |
350 | k = manager_add_user_by_name(m, de->d_name, NULL); |
351 | if (k < 0) { | |
352 | log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); | |
353 | r = k; | |
20263082 LP |
354 | } |
355 | } | |
356 | ||
20263082 LP |
357 | return r; |
358 | } | |
359 | ||
360 | int manager_enumerate_users(Manager *m) { | |
9444b1f2 | 361 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 362 | struct dirent *de; |
14c3baca | 363 | int r, k; |
20263082 LP |
364 | |
365 | assert(m); | |
366 | ||
9444b1f2 | 367 | /* Add lingering users */ |
b3629c7d | 368 | r = manager_enumerate_linger_users(m); |
14c3baca | 369 | |
9444b1f2 | 370 | /* Read in user data stored on disk */ |
20263082 LP |
371 | d = opendir("/run/systemd/users"); |
372 | if (!d) { | |
373 | if (errno == ENOENT) | |
374 | return 0; | |
375 | ||
376 | log_error("Failed to open /run/systemd/users: %m"); | |
377 | return -errno; | |
378 | } | |
379 | ||
9444b1f2 | 380 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 381 | User *u; |
20263082 LP |
382 | |
383 | if (!dirent_is_file(de)) | |
384 | continue; | |
385 | ||
9444b1f2 | 386 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 387 | if (k < 0) { |
9444b1f2 | 388 | log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 389 | |
9444b1f2 | 390 | r = k; |
20263082 LP |
391 | continue; |
392 | } | |
393 | ||
9444b1f2 LP |
394 | user_add_to_gc_queue(u); |
395 | ||
20263082 LP |
396 | k = user_load(u); |
397 | if (k < 0) | |
398 | r = k; | |
399 | } | |
400 | ||
20263082 LP |
401 | return r; |
402 | } | |
403 | ||
9444b1f2 LP |
404 | int manager_enumerate_sessions(Manager *m) { |
405 | _cleanup_closedir_ DIR *d = NULL; | |
406 | struct dirent *de; | |
20263082 LP |
407 | int r = 0; |
408 | ||
9444b1f2 LP |
409 | assert(m); |
410 | ||
411 | /* Read in session data stored on disk */ | |
412 | d = opendir("/run/systemd/sessions"); | |
413 | if (!d) { | |
414 | if (errno == ENOENT) | |
415 | return 0; | |
416 | ||
417 | log_error("Failed to open /run/systemd/sessions: %m"); | |
418 | return -errno; | |
419 | } | |
420 | ||
421 | FOREACH_DIRENT(de, d, return -errno) { | |
422 | struct Session *s; | |
20263082 LP |
423 | int k; |
424 | ||
9444b1f2 | 425 | if (!dirent_is_file(de)) |
14c3baca LP |
426 | continue; |
427 | ||
4b549144 ZJS |
428 | if (!session_id_valid(de->d_name)) { |
429 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
430 | r = -EINVAL; | |
431 | continue; | |
432 | } | |
433 | ||
9444b1f2 | 434 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 435 | if (k < 0) { |
9444b1f2 | 436 | log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 437 | |
20263082 LP |
438 | r = k; |
439 | continue; | |
440 | } | |
441 | ||
9444b1f2 | 442 | session_add_to_gc_queue(s); |
20263082 | 443 | |
9444b1f2 | 444 | k = session_load(s); |
20263082 LP |
445 | if (k < 0) |
446 | r = k; | |
447 | } | |
448 | ||
449 | return r; | |
450 | } | |
451 | ||
9444b1f2 LP |
452 | int manager_enumerate_inhibitors(Manager *m) { |
453 | _cleanup_closedir_ DIR *d = NULL; | |
20263082 LP |
454 | struct dirent *de; |
455 | int r = 0; | |
456 | ||
457 | assert(m); | |
458 | ||
9444b1f2 | 459 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
460 | if (!d) { |
461 | if (errno == ENOENT) | |
462 | return 0; | |
463 | ||
9444b1f2 | 464 | log_error("Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
465 | return -errno; |
466 | } | |
467 | ||
9444b1f2 | 468 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 469 | int k; |
9444b1f2 | 470 | Inhibitor *i; |
20263082 LP |
471 | |
472 | if (!dirent_is_file(de)) | |
473 | continue; | |
474 | ||
9444b1f2 LP |
475 | k = manager_add_inhibitor(m, de->d_name, &i); |
476 | if (k < 0) { | |
477 | log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); | |
478 | r = k; | |
20263082 LP |
479 | continue; |
480 | } | |
481 | ||
9444b1f2 | 482 | k = inhibitor_load(i); |
20263082 LP |
483 | if (k < 0) |
484 | r = k; | |
485 | } | |
486 | ||
20263082 LP |
487 | return r; |
488 | } | |
489 | ||
cc377381 LP |
490 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
491 | Manager *m = userdata; | |
20263082 LP |
492 | struct udev_device *d; |
493 | int r; | |
494 | ||
495 | assert(m); | |
496 | ||
30ed21ce | 497 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
498 | if (!d) |
499 | return -ENOMEM; | |
500 | ||
30ed21ce LP |
501 | r = manager_process_seat_device(m, d); |
502 | udev_device_unref(d); | |
503 | ||
504 | return r; | |
505 | } | |
506 | ||
cc377381 LP |
507 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
508 | Manager *m = userdata; | |
718d006a DH |
509 | struct udev_device *d; |
510 | int r; | |
511 | ||
512 | assert(m); | |
513 | ||
514 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
515 | if (!d) | |
516 | return -ENOMEM; | |
517 | ||
518 | r = manager_process_seat_device(m, d); | |
519 | udev_device_unref(d); | |
520 | ||
521 | return r; | |
522 | } | |
523 | ||
cc377381 LP |
524 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
525 | Manager *m = userdata; | |
30ed21ce LP |
526 | struct udev_device *d; |
527 | int r = 0; | |
528 | const char *name; | |
529 | ||
530 | assert(m); | |
531 | ||
532 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
533 | if (!d) | |
534 | return -ENOMEM; | |
535 | ||
536 | name = udev_device_get_sysname(d); | |
537 | ||
538 | /* Whenever a VCSA device is removed try to reallocate our | |
539 | * VTs, to make sure our auto VTs never go away. */ | |
540 | ||
541 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
92432fcc | 542 | r = seat_preallocate_vts(m->seat0); |
30ed21ce | 543 | |
20263082 LP |
544 | udev_device_unref(d); |
545 | ||
546 | return r; | |
547 | } | |
548 | ||
cc377381 LP |
549 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
550 | Manager *m = userdata; | |
069cfc85 LP |
551 | struct udev_device *d; |
552 | int r; | |
553 | ||
554 | assert(m); | |
555 | ||
556 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
557 | if (!d) | |
558 | return -ENOMEM; | |
559 | ||
560 | r = manager_process_button_device(m, d); | |
561 | udev_device_unref(d); | |
562 | ||
563 | return r; | |
564 | } | |
565 | ||
cc377381 LP |
566 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
567 | Manager *m = userdata; | |
568 | ||
20263082 | 569 | assert(m); |
92432fcc | 570 | assert(m->seat0); |
cc377381 | 571 | assert(m->console_active_fd == fd); |
20263082 | 572 | |
92432fcc | 573 | seat_read_active_vt(m->seat0); |
20263082 LP |
574 | |
575 | return 0; | |
576 | } | |
577 | ||
98a77df5 LP |
578 | static int manager_reserve_vt(Manager *m) { |
579 | _cleanup_free_ char *p = NULL; | |
580 | ||
581 | assert(m); | |
582 | ||
583 | if (m->reserve_vt <= 0) | |
584 | return 0; | |
585 | ||
586 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
587 | return log_oom(); | |
588 | ||
589 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
590 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
591 | |
592 | /* Don't complain on VT-less systems */ | |
593 | if (errno != ENOENT) | |
594 | log_warning("Failed to pin reserved VT: %m"); | |
98a77df5 LP |
595 | return -errno; |
596 | } | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
cc377381 LP |
601 | static int manager_connect_bus(Manager *m) { |
602 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
603 | int r; | |
31b79c2b | 604 | |
cc377381 LP |
605 | assert(m); |
606 | assert(!m->bus); | |
31b79c2b | 607 | |
cc377381 LP |
608 | r = sd_bus_open_system(&m->bus); |
609 | if (r < 0) { | |
610 | log_error("Failed to connect to system bus: %s", strerror(-r)); | |
611 | return r; | |
f8e2fb7b | 612 | } |
31b79c2b | 613 | |
cc377381 LP |
614 | r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
615 | if (r < 0) { | |
616 | log_error("Failed to add manager object vtable: %s", strerror(-r)); | |
617 | return r; | |
f8e2fb7b LP |
618 | } |
619 | ||
cc377381 LP |
620 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
621 | if (r < 0) { | |
622 | log_error("Failed to add seat object vtable: %s", strerror(-r)); | |
623 | return r; | |
069cfc85 LP |
624 | } |
625 | ||
cc377381 LP |
626 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
627 | if (r < 0) { | |
628 | log_error("Failed to add seat enumerator: %s", strerror(-r)); | |
629 | return r; | |
630 | } | |
20263082 | 631 | |
cc377381 LP |
632 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
633 | if (r < 0) { | |
634 | log_error("Failed to add session object vtable: %s", strerror(-r)); | |
635 | return r; | |
636 | } | |
20263082 | 637 | |
cc377381 LP |
638 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m); |
639 | if (r < 0) { | |
640 | log_error("Failed to add session enumerator: %s", strerror(-r)); | |
641 | return r; | |
642 | } | |
20263082 | 643 | |
cc377381 LP |
644 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
645 | if (r < 0) { | |
646 | log_error("Failed to add user object vtable: %s", strerror(-r)); | |
647 | return r; | |
20263082 LP |
648 | } |
649 | ||
cc377381 LP |
650 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m); |
651 | if (r < 0) { | |
652 | log_error("Failed to add user enumerator: %s", strerror(-r)); | |
653 | return r; | |
20263082 LP |
654 | } |
655 | ||
cc377381 LP |
656 | r = sd_bus_add_match(m->bus, |
657 | "type='signal'," | |
658 | "sender='org.freedesktop.DBus'," | |
659 | "interface='org.freedesktop.DBus'," | |
660 | "member='NameOwnerChanged'," | |
661 | "path='/org/freedesktop/DBus'", | |
662 | match_name_owner_changed, m); | |
663 | if (r < 0) { | |
664 | log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r)); | |
665 | return r; | |
e8b212fe DH |
666 | } |
667 | ||
cc377381 LP |
668 | r = sd_bus_add_match(m->bus, |
669 | "type='signal'," | |
670 | "sender='org.freedesktop.systemd1'," | |
671 | "interface='org.freedesktop.systemd1.Manager'," | |
672 | "member='JobRemoved'," | |
673 | "path='/org/freedesktop/systemd1'", | |
674 | match_job_removed, m); | |
675 | if (r < 0) { | |
676 | log_error("Failed to add match for JobRemoved: %s", strerror(-r)); | |
677 | return r; | |
943aca8e LP |
678 | } |
679 | ||
cc377381 LP |
680 | r = sd_bus_add_match(m->bus, |
681 | "type='signal'," | |
682 | "sender='org.freedesktop.systemd1'," | |
683 | "interface='org.freedesktop.systemd1.Manager'," | |
684 | "member='UnitRemoved'," | |
685 | "path='/org/freedesktop/systemd1'", | |
686 | match_unit_removed, m); | |
687 | if (r < 0) { | |
688 | log_error("Failed to add match for UnitRemoved: %s", strerror(-r)); | |
689 | return r; | |
fb6becb4 LP |
690 | } |
691 | ||
cc377381 LP |
692 | r = sd_bus_add_match(m->bus, |
693 | "type='signal'," | |
694 | "sender='org.freedesktop.systemd1'," | |
695 | "interface='org.freedesktop.DBus.Properties'," | |
696 | "member='PropertiesChanged'", | |
697 | match_properties_changed, m); | |
698 | if (r < 0) { | |
699 | log_error("Failed to add match for PropertiesChanged: %s", strerror(-r)); | |
700 | return r; | |
fb6becb4 LP |
701 | } |
702 | ||
cc377381 LP |
703 | r = sd_bus_add_match(m->bus, |
704 | "type='signal'," | |
705 | "sender='org.freedesktop.systemd1'," | |
706 | "interface='org.freedesktop.systemd1.Manager'," | |
707 | "member='Reloading'," | |
708 | "path='/org/freedesktop/systemd1'", | |
709 | match_reloading, m); | |
710 | if (r < 0) { | |
711 | log_error("Failed to add match for Reloading: %s", strerror(-r)); | |
712 | return r; | |
6797c324 LP |
713 | } |
714 | ||
cc377381 | 715 | r = sd_bus_call_method( |
fb6becb4 LP |
716 | m->bus, |
717 | "org.freedesktop.systemd1", | |
718 | "/org/freedesktop/systemd1", | |
719 | "org.freedesktop.systemd1.Manager", | |
720 | "Subscribe", | |
fb6becb4 | 721 | &error, |
cc377381 | 722 | NULL, NULL); |
fb6becb4 | 723 | if (r < 0) { |
cc377381 LP |
724 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
725 | return r; | |
20263082 LP |
726 | } |
727 | ||
cc377381 LP |
728 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", SD_BUS_NAME_DO_NOT_QUEUE); |
729 | if (r < 0) { | |
730 | log_error("Failed to register name: %s", strerror(-r)); | |
731 | return r; | |
bafd4449 LP |
732 | } |
733 | ||
cc377381 | 734 | if (r != SD_BUS_NAME_PRIMARY_OWNER) { |
bafd4449 | 735 | log_error("Failed to acquire name."); |
cc377381 | 736 | return -EEXIST; |
20263082 LP |
737 | } |
738 | ||
cc377381 LP |
739 | r = sd_bus_attach_event(m->bus, m->event, 0); |
740 | if (r < 0) { | |
741 | log_error("Failed to attach bus to event loop: %s", strerror(-r)); | |
742 | return r; | |
20263082 LP |
743 | } |
744 | ||
20263082 | 745 | return 0; |
20263082 LP |
746 | } |
747 | ||
748 | static int manager_connect_console(Manager *m) { | |
cc377381 | 749 | int r; |
20263082 LP |
750 | |
751 | assert(m); | |
752 | assert(m->console_active_fd < 0); | |
753 | ||
74afee9c LP |
754 | /* On certain architectures (S390 and Xen, and containers), |
755 | /dev/tty0 does not exist, so don't fail if we can't open | |
756 | it. */ | |
cc377381 | 757 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 758 | return 0; |
74afee9c | 759 | |
20263082 LP |
760 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
761 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
762 | |
763 | /* On some systems the device node /dev/tty0 may exist | |
764 | * even though /sys/class/tty/tty0 does not. */ | |
765 | if (errno == ENOENT) | |
766 | return 0; | |
767 | ||
20263082 LP |
768 | log_error("Failed to open /sys/class/tty/tty0/active: %m"); |
769 | return -errno; | |
770 | } | |
771 | ||
cc377381 LP |
772 | r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source); |
773 | if (r < 0) { | |
774 | log_error("Failed to watch foreground console"); | |
775 | return r; | |
776 | } | |
20263082 LP |
777 | |
778 | return 0; | |
779 | } | |
780 | ||
781 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 782 | int r; |
20263082 LP |
783 | |
784 | assert(m); | |
30ed21ce | 785 | assert(!m->udev_seat_monitor); |
718d006a | 786 | assert(!m->udev_device_monitor); |
30ed21ce | 787 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 788 | assert(!m->udev_button_monitor); |
20263082 | 789 | |
30ed21ce LP |
790 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
791 | if (!m->udev_seat_monitor) | |
20263082 LP |
792 | return -ENOMEM; |
793 | ||
2d96536d | 794 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
795 | if (r < 0) |
796 | return r; | |
20263082 | 797 | |
30ed21ce | 798 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
799 | if (r < 0) |
800 | return r; | |
20263082 | 801 | |
cc377381 LP |
802 | 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); |
803 | if (r < 0) | |
804 | return r; | |
069cfc85 | 805 | |
718d006a DH |
806 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
807 | if (!m->udev_device_monitor) | |
808 | return -ENOMEM; | |
809 | ||
810 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
811 | if (r < 0) | |
812 | return r; | |
813 | ||
814 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
815 | if (r < 0) | |
816 | return r; | |
817 | ||
818 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
819 | if (r < 0) | |
820 | return r; | |
821 | ||
822 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
823 | if (r < 0) | |
824 | return r; | |
825 | ||
cc377381 LP |
826 | 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); |
827 | if (r < 0) | |
828 | return r; | |
718d006a | 829 | |
6de0e0e5 | 830 | /* Don't watch keys if nobody cares */ |
beaafb2e | 831 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
832 | m->handle_suspend_key != HANDLE_IGNORE || |
833 | m->handle_hibernate_key != HANDLE_IGNORE || | |
beaafb2e | 834 | m->handle_lid_switch != HANDLE_IGNORE) { |
069cfc85 | 835 | |
6de0e0e5 LP |
836 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
837 | if (!m->udev_button_monitor) | |
838 | return -ENOMEM; | |
069cfc85 | 839 | |
6de0e0e5 LP |
840 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
841 | if (r < 0) | |
842 | return r; | |
069cfc85 | 843 | |
6de0e0e5 LP |
844 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
845 | if (r < 0) | |
846 | return r; | |
069cfc85 | 847 | |
6de0e0e5 LP |
848 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
849 | if (r < 0) | |
850 | return r; | |
069cfc85 | 851 | |
cc377381 LP |
852 | 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); |
853 | if (r < 0) | |
854 | return r; | |
6de0e0e5 | 855 | } |
069cfc85 | 856 | |
976c088a | 857 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 858 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 859 | |
6de0e0e5 LP |
860 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
861 | if (!m->udev_vcsa_monitor) | |
862 | return -ENOMEM; | |
30ed21ce | 863 | |
6de0e0e5 LP |
864 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
865 | if (r < 0) | |
866 | return r; | |
30ed21ce | 867 | |
6de0e0e5 LP |
868 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
869 | if (r < 0) | |
870 | return r; | |
30ed21ce | 871 | |
cc377381 LP |
872 | 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); |
873 | if (r < 0) | |
874 | return r; | |
6de0e0e5 | 875 | } |
20263082 LP |
876 | |
877 | return 0; | |
878 | } | |
879 | ||
4a4b033f | 880 | void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
881 | Seat *seat; |
882 | Session *session; | |
883 | User *user; | |
884 | ||
885 | assert(m); | |
886 | ||
887 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 888 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
889 | seat->in_gc_queue = false; |
890 | ||
cc377381 | 891 | if (!seat_check_gc(seat, drop_not_started)) { |
14c3baca LP |
892 | seat_stop(seat); |
893 | seat_free(seat); | |
894 | } | |
895 | } | |
896 | ||
897 | while ((session = m->session_gc_queue)) { | |
71fda00f | 898 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
899 | session->in_gc_queue = false; |
900 | ||
cc377381 | 901 | if (!session_check_gc(session, drop_not_started)) { |
14c3baca | 902 | session_stop(session); |
405e0255 | 903 | session_finalize(session); |
14c3baca LP |
904 | session_free(session); |
905 | } | |
906 | } | |
907 | ||
908 | while ((user = m->user_gc_queue)) { | |
71fda00f | 909 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
910 | user->in_gc_queue = false; |
911 | ||
cc377381 | 912 | if (!user_check_gc(user, drop_not_started)) { |
14c3baca | 913 | user_stop(user); |
405e0255 | 914 | user_finalize(user); |
14c3baca LP |
915 | user_free(user); |
916 | } | |
917 | } | |
918 | } | |
919 | ||
cc377381 LP |
920 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
921 | Manager *m = userdata; | |
23406ce5 | 922 | struct dual_timestamp since; |
cc377381 | 923 | usec_t n, elapse; |
23406ce5 | 924 | int r; |
23406ce5 LP |
925 | |
926 | assert(m); | |
927 | ||
928 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
929 | m->idle_action_usec <= 0) |
930 | return 0; | |
23406ce5 | 931 | |
23406ce5 LP |
932 | n = now(CLOCK_MONOTONIC); |
933 | ||
934 | r = manager_get_idle_hint(m, &since); | |
935 | if (r <= 0) | |
39ccc87c | 936 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 937 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
938 | else { |
939 | /* Idle! Let's see if it's time to do something, or if | |
940 | * we shall sleep for longer. */ | |
941 | ||
942 | if (n >= since.monotonic + m->idle_action_usec && | |
943 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
944 | log_info("System idle. Taking action."); | |
945 | ||
946 | manager_handle_action(m, 0, m->idle_action, false, false); | |
947 | m->idle_action_not_before_usec = n; | |
948 | } | |
949 | ||
cc377381 | 950 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
951 | } |
952 | ||
cc377381 | 953 | if (!m->idle_action_event_source) { |
23406ce5 | 954 | |
cc377381 LP |
955 | r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source); |
956 | if (r < 0) { | |
957 | log_error("Failed to add idle event source: %s", strerror(-r)); | |
958 | return r; | |
23406ce5 LP |
959 | } |
960 | ||
cc377381 LP |
961 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_PRIORITY_IDLE+10); |
962 | if (r < 0) { | |
963 | log_error("Failed to set idle event source priority: %s", strerror(-r)); | |
964 | return r; | |
965 | } | |
966 | } else { | |
967 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
968 | if (r < 0) { | |
969 | log_error("Failed to set idle event timer: %s", strerror(-r)); | |
970 | return r; | |
23406ce5 | 971 | } |
23406ce5 | 972 | |
cc377381 LP |
973 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
974 | if (r < 0) { | |
975 | log_error("Failed to enable idle event timer: %s", strerror(-r)); | |
976 | return r; | |
977 | } | |
23406ce5 LP |
978 | } |
979 | ||
980 | return 0; | |
23406ce5 | 981 | } |
cc377381 | 982 | |
20263082 LP |
983 | int manager_startup(Manager *m) { |
984 | int r; | |
14c3baca LP |
985 | Seat *seat; |
986 | Session *session; | |
987 | User *user; | |
f8e2fb7b | 988 | Inhibitor *inhibitor; |
14c3baca | 989 | Iterator i; |
20263082 LP |
990 | |
991 | assert(m); | |
20263082 | 992 | |
976c088a LP |
993 | /* Connect to console */ |
994 | r = manager_connect_console(m); | |
20263082 LP |
995 | if (r < 0) |
996 | return r; | |
997 | ||
976c088a LP |
998 | /* Connect to udev */ |
999 | r = manager_connect_udev(m); | |
cc377381 LP |
1000 | if (r < 0) { |
1001 | log_error("Failed to create udev watchers: %s", strerror(-r)); | |
20263082 | 1002 | return r; |
cc377381 | 1003 | } |
20263082 LP |
1004 | |
1005 | /* Connect to the bus */ | |
1006 | r = manager_connect_bus(m); | |
1007 | if (r < 0) | |
1008 | return r; | |
1009 | ||
14c3baca | 1010 | /* Instantiate magic seat 0 */ |
92432fcc | 1011 | r = manager_add_seat(m, "seat0", &m->seat0); |
cc377381 LP |
1012 | if (r < 0) { |
1013 | log_error("Failed to add seat0: %s", strerror(-r)); | |
14c3baca | 1014 | return r; |
cc377381 | 1015 | } |
14c3baca | 1016 | |
20263082 | 1017 | /* Deserialize state */ |
042f5988 ZJS |
1018 | r = manager_enumerate_devices(m); |
1019 | if (r < 0) | |
1020 | log_warning("Device enumeration failed: %s", strerror(-r)); | |
1021 | ||
1022 | r = manager_enumerate_seats(m); | |
1023 | if (r < 0) | |
1024 | log_warning("Seat enumeration failed: %s", strerror(-r)); | |
1025 | ||
1026 | r = manager_enumerate_users(m); | |
1027 | if (r < 0) | |
1028 | log_warning("User enumeration failed: %s", strerror(-r)); | |
1029 | ||
1030 | r = manager_enumerate_sessions(m); | |
1031 | if (r < 0) | |
1032 | log_warning("Session enumeration failed: %s", strerror(-r)); | |
1033 | ||
1034 | r = manager_enumerate_inhibitors(m); | |
1035 | if (r < 0) | |
1036 | log_warning("Inhibitor enumeration failed: %s", strerror(-r)); | |
1037 | ||
1038 | r = manager_enumerate_buttons(m); | |
1039 | if (r < 0) | |
1040 | log_warning("Button enumeration failed: %s", strerror(-r)); | |
20263082 | 1041 | |
4a4b033f LP |
1042 | /* Remove stale objects before we start them */ |
1043 | manager_gc(m, false); | |
1044 | ||
98a77df5 LP |
1045 | /* Reserve the special reserved VT */ |
1046 | manager_reserve_vt(m); | |
1047 | ||
14c3baca LP |
1048 | /* And start everything */ |
1049 | HASHMAP_FOREACH(seat, m->seats, i) | |
1050 | seat_start(seat); | |
1051 | ||
1052 | HASHMAP_FOREACH(user, m->users, i) | |
1053 | user_start(user); | |
1054 | ||
1055 | HASHMAP_FOREACH(session, m->sessions, i) | |
1056 | session_start(session); | |
20263082 | 1057 | |
f8e2fb7b LP |
1058 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1059 | inhibitor_start(inhibitor); | |
1060 | ||
cc377381 | 1061 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1062 | |
20263082 LP |
1063 | return 0; |
1064 | } | |
1065 | ||
65b51162 LP |
1066 | static int manager_recheck_buttons(Manager *m) { |
1067 | Iterator i; | |
1068 | Button *b; | |
1069 | int r = 0; | |
1070 | ||
1071 | assert(m); | |
1072 | ||
1073 | HASHMAP_FOREACH(b, m->buttons, i) { | |
1074 | int q; | |
1075 | ||
1076 | q = button_recheck(b); | |
1077 | if (q > 0) | |
1078 | return 1; | |
1079 | if (q < 0) | |
1080 | r = q; | |
1081 | } | |
1082 | ||
1083 | return r; | |
1084 | } | |
1085 | ||
20263082 | 1086 | int manager_run(Manager *m) { |
cc377381 LP |
1087 | int r; |
1088 | ||
20263082 LP |
1089 | assert(m); |
1090 | ||
1091 | for (;;) { | |
cc377381 LP |
1092 | usec_t us = (uint64_t) -1; |
1093 | ||
1094 | r = sd_event_get_state(m->event); | |
1095 | if (r < 0) | |
1096 | return r; | |
1097 | if (r == SD_EVENT_FINISHED) | |
1098 | return 0; | |
20263082 | 1099 | |
4a4b033f | 1100 | manager_gc(m, true); |
14c3baca | 1101 | |
d889a206 | 1102 | if (manager_dispatch_delayed(m) > 0) |
eecd1362 LP |
1103 | continue; |
1104 | ||
65b51162 LP |
1105 | if (manager_recheck_buttons(m) > 0) |
1106 | continue; | |
1107 | ||
84286536 | 1108 | if (m->action_what != 0 && !m->action_job) { |
eecd1362 LP |
1109 | usec_t x, y; |
1110 | ||
1111 | x = now(CLOCK_MONOTONIC); | |
314b4b0a | 1112 | y = m->action_timestamp + m->inhibit_delay_max; |
eecd1362 | 1113 | |
cc377381 | 1114 | us = x >= y ? 0 : y - x; |
eecd1362 LP |
1115 | } |
1116 | ||
cc377381 LP |
1117 | r = sd_event_run(m->event, us); |
1118 | if (r < 0) | |
1119 | return r; | |
20263082 LP |
1120 | } |
1121 | ||
1122 | return 0; | |
1123 | } | |
1124 | ||
193197e8 | 1125 | static int manager_parse_config_file(Manager *m) { |
db5c0122 LP |
1126 | static const char fn[] = "/etc/systemd/logind.conf"; |
1127 | _cleanup_fclose_ FILE *f = NULL; | |
193197e8 LP |
1128 | int r; |
1129 | ||
1130 | assert(m); | |
1131 | ||
193197e8 LP |
1132 | f = fopen(fn, "re"); |
1133 | if (!f) { | |
1134 | if (errno == ENOENT) | |
1135 | return 0; | |
1136 | ||
1137 | log_warning("Failed to open configuration file %s: %m", fn); | |
1138 | return -errno; | |
1139 | } | |
1140 | ||
db5c0122 LP |
1141 | r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup, |
1142 | (void*) logind_gperf_lookup, false, false, m); | |
193197e8 LP |
1143 | if (r < 0) |
1144 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
1145 | ||
193197e8 LP |
1146 | return r; |
1147 | } | |
1148 | ||
20263082 LP |
1149 | int main(int argc, char *argv[]) { |
1150 | Manager *m = NULL; | |
5eda94dd | 1151 | int r; |
20263082 LP |
1152 | |
1153 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1154 | log_set_facility(LOG_AUTH); |
20263082 LP |
1155 | log_parse_environment(); |
1156 | log_open(); | |
1157 | ||
4c12626c LP |
1158 | umask(0022); |
1159 | ||
20263082 LP |
1160 | if (argc != 1) { |
1161 | log_error("This program takes no arguments."); | |
1162 | r = -EINVAL; | |
1163 | goto finish; | |
1164 | } | |
1165 | ||
bb27ff66 LP |
1166 | /* Always create the directories people can create inotify |
1167 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1168 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1169 | * logind is available, so please always make sure this check |
1170 | * stays in. */ | |
1171 | mkdir_label("/run/systemd/seats", 0755); | |
1172 | mkdir_label("/run/systemd/users", 0755); | |
1173 | mkdir_label("/run/systemd/sessions", 0755); | |
1174 | ||
20263082 LP |
1175 | m = manager_new(); |
1176 | if (!m) { | |
0d0f0c50 | 1177 | r = log_oom(); |
20263082 LP |
1178 | goto finish; |
1179 | } | |
1180 | ||
193197e8 LP |
1181 | manager_parse_config_file(m); |
1182 | ||
20263082 LP |
1183 | r = manager_startup(m); |
1184 | if (r < 0) { | |
1185 | log_error("Failed to fully start up daemon: %s", strerror(-r)); | |
1186 | goto finish; | |
1187 | } | |
1188 | ||
e6960940 LP |
1189 | log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); |
1190 | ||
1191 | sd_notify(false, | |
1192 | "READY=1\n" | |
1193 | "STATUS=Processing requests..."); | |
1194 | ||
20263082 LP |
1195 | r = manager_run(m); |
1196 | ||
e6960940 LP |
1197 | log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); |
1198 | ||
20263082 | 1199 | finish: |
e6960940 LP |
1200 | sd_notify(false, |
1201 | "STATUS=Shutting down..."); | |
1202 | ||
20263082 LP |
1203 | if (m) |
1204 | manager_free(m); | |
1205 | ||
1206 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1207 | } |