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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" | |
7b77ed8c | 37 | #include "udev-util.h" |
20263082 | 38 | |
20263082 LP |
39 | Manager *manager_new(void) { |
40 | Manager *m; | |
cc377381 | 41 | int r; |
20263082 LP |
42 | |
43 | m = new0(Manager, 1); | |
44 | if (!m) | |
45 | return NULL; | |
46 | ||
47 | m->console_active_fd = -1; | |
98a77df5 | 48 | m->reserve_vt_fd = -1; |
069cfc85 | 49 | |
20263082 | 50 | m->n_autovts = 6; |
98a77df5 | 51 | m->reserve_vt = 6; |
eecd1362 | 52 | m->inhibit_delay_max = 5 * USEC_PER_SEC; |
beaafb2e | 53 | m->handle_power_key = HANDLE_POWEROFF; |
8e7fd6ad LP |
54 | m->handle_suspend_key = HANDLE_SUSPEND; |
55 | m->handle_hibernate_key = HANDLE_HIBERNATE; | |
beaafb2e LP |
56 | m->handle_lid_switch = HANDLE_SUSPEND; |
57 | m->lid_switch_ignore_inhibited = true; | |
20263082 | 58 | |
23406ce5 LP |
59 | m->idle_action_usec = 30 * USEC_PER_MINUTE; |
60 | m->idle_action = HANDLE_IGNORE; | |
61 | m->idle_action_not_before_usec = now(CLOCK_MONOTONIC); | |
62 | ||
20263082 LP |
63 | m->devices = hashmap_new(string_hash_func, string_compare_func); |
64 | m->seats = hashmap_new(string_hash_func, string_compare_func); | |
65 | m->sessions = hashmap_new(string_hash_func, string_compare_func); | |
66 | m->users = hashmap_new(trivial_hash_func, trivial_compare_func); | |
f8e2fb7b | 67 | m->inhibitors = hashmap_new(string_hash_func, string_compare_func); |
069cfc85 | 68 | m->buttons = hashmap_new(string_hash_func, string_compare_func); |
f8e2fb7b | 69 | |
fb6becb4 LP |
70 | m->user_units = hashmap_new(string_hash_func, string_compare_func); |
71 | m->session_units = hashmap_new(string_hash_func, string_compare_func); | |
8c8c4351 | 72 | |
cc377381 | 73 | m->busnames = set_new(string_hash_func, string_compare_func); |
20263082 | 74 | |
e8b212fe | 75 | if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames || |
ed4ba7e4 LP |
76 | !m->user_units || !m->session_units) |
77 | goto fail; | |
25d93491 | 78 | |
25d93491 | 79 | m->kill_exclude_users = strv_new("root", NULL); |
ed4ba7e4 LP |
80 | if (!m->kill_exclude_users) |
81 | goto fail; | |
20263082 LP |
82 | |
83 | m->udev = udev_new(); | |
ed4ba7e4 LP |
84 | if (!m->udev) |
85 | goto fail; | |
20263082 | 86 | |
afc6adb5 | 87 | r = sd_event_default(&m->event); |
ed4ba7e4 LP |
88 | if (r < 0) |
89 | goto fail; | |
cc377381 | 90 | |
cde93897 LP |
91 | sd_event_set_watchdog(m->event, true); |
92 | ||
20263082 | 93 | return m; |
ed4ba7e4 LP |
94 | |
95 | fail: | |
96 | manager_free(m); | |
97 | return NULL; | |
20263082 LP |
98 | } |
99 | ||
100 | void manager_free(Manager *m) { | |
101 | Session *session; | |
102 | User *u; | |
103 | Device *d; | |
104 | Seat *s; | |
f8e2fb7b | 105 | Inhibitor *i; |
069cfc85 | 106 | Button *b; |
20263082 LP |
107 | |
108 | assert(m); | |
109 | ||
110 | while ((session = hashmap_first(m->sessions))) | |
111 | session_free(session); | |
112 | ||
113 | while ((u = hashmap_first(m->users))) | |
114 | user_free(u); | |
115 | ||
116 | while ((d = hashmap_first(m->devices))) | |
117 | device_free(d); | |
118 | ||
119 | while ((s = hashmap_first(m->seats))) | |
120 | seat_free(s); | |
121 | ||
f8e2fb7b LP |
122 | while ((i = hashmap_first(m->inhibitors))) |
123 | inhibitor_free(i); | |
124 | ||
069cfc85 LP |
125 | while ((b = hashmap_first(m->buttons))) |
126 | button_free(b); | |
127 | ||
20263082 LP |
128 | hashmap_free(m->devices); |
129 | hashmap_free(m->seats); | |
f8e2fb7b LP |
130 | hashmap_free(m->sessions); |
131 | hashmap_free(m->users); | |
132 | hashmap_free(m->inhibitors); | |
069cfc85 | 133 | hashmap_free(m->buttons); |
f8e2fb7b | 134 | |
fb6becb4 LP |
135 | hashmap_free(m->user_units); |
136 | hashmap_free(m->session_units); | |
8c8c4351 | 137 | |
cc377381 LP |
138 | set_free_free(m->busnames); |
139 | ||
140 | sd_event_source_unref(m->idle_action_event_source); | |
141 | ||
142 | sd_event_source_unref(m->console_active_event_source); | |
143 | sd_event_source_unref(m->udev_seat_event_source); | |
144 | sd_event_source_unref(m->udev_device_event_source); | |
145 | sd_event_source_unref(m->udev_vcsa_event_source); | |
146 | sd_event_source_unref(m->udev_button_event_source); | |
20263082 LP |
147 | |
148 | if (m->console_active_fd >= 0) | |
149 | close_nointr_nofail(m->console_active_fd); | |
150 | ||
30ed21ce LP |
151 | if (m->udev_seat_monitor) |
152 | udev_monitor_unref(m->udev_seat_monitor); | |
718d006a DH |
153 | if (m->udev_device_monitor) |
154 | udev_monitor_unref(m->udev_device_monitor); | |
30ed21ce LP |
155 | if (m->udev_vcsa_monitor) |
156 | udev_monitor_unref(m->udev_vcsa_monitor); | |
069cfc85 LP |
157 | if (m->udev_button_monitor) |
158 | udev_monitor_unref(m->udev_button_monitor); | |
20263082 LP |
159 | |
160 | if (m->udev) | |
161 | udev_unref(m->udev); | |
162 | ||
cc377381 | 163 | bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry); |
20263082 | 164 | |
cc377381 LP |
165 | sd_bus_unref(m->bus); |
166 | sd_event_unref(m->event); | |
20263082 | 167 | |
98a77df5 LP |
168 | if (m->reserve_vt_fd >= 0) |
169 | close_nointr_nofail(m->reserve_vt_fd); | |
170 | ||
193197e8 LP |
171 | strv_free(m->kill_only_users); |
172 | strv_free(m->kill_exclude_users); | |
173 | ||
af9792ac | 174 | free(m->action_job); |
20263082 LP |
175 | free(m); |
176 | } | |
177 | ||
9588bc32 | 178 | static int manager_enumerate_devices(Manager *m) { |
20263082 | 179 | struct udev_list_entry *item = NULL, *first = NULL; |
bf5332d2 | 180 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
14c3baca | 181 | int r; |
20263082 LP |
182 | |
183 | assert(m); | |
184 | ||
185 | /* Loads devices from udev and creates seats for them as | |
186 | * necessary */ | |
187 | ||
188 | e = udev_enumerate_new(m->udev); | |
bf5332d2 LP |
189 | if (!e) |
190 | return -ENOMEM; | |
20263082 | 191 | |
2d96536d | 192 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 193 | if (r < 0) |
bf5332d2 | 194 | return r; |
20263082 | 195 | |
e1202047 LP |
196 | r = udev_enumerate_add_match_is_initialized(e); |
197 | if (r < 0) | |
198 | return r; | |
199 | ||
14c3baca LP |
200 | r = udev_enumerate_scan_devices(e); |
201 | if (r < 0) | |
bf5332d2 | 202 | return r; |
20263082 LP |
203 | |
204 | first = udev_enumerate_get_list_entry(e); | |
205 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 206 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
207 | int k; |
208 | ||
209 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
210 | if (!d) |
211 | return -ENOMEM; | |
20263082 | 212 | |
bf5332d2 | 213 | k = manager_process_seat_device(m, d); |
20263082 LP |
214 | if (k < 0) |
215 | r = k; | |
216 | } | |
217 | ||
20263082 LP |
218 | return r; |
219 | } | |
220 | ||
9588bc32 | 221 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 222 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 223 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
224 | int r; |
225 | ||
226 | assert(m); | |
227 | ||
228 | /* Loads buttons from udev */ | |
229 | ||
beaafb2e | 230 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
231 | m->handle_suspend_key == HANDLE_IGNORE && |
232 | m->handle_hibernate_key == HANDLE_IGNORE && | |
beaafb2e | 233 | m->handle_lid_switch == HANDLE_IGNORE) |
6de0e0e5 LP |
234 | return 0; |
235 | ||
069cfc85 | 236 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
237 | if (!e) |
238 | return -ENOMEM; | |
069cfc85 LP |
239 | |
240 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
241 | if (r < 0) | |
bf5332d2 | 242 | return r; |
069cfc85 LP |
243 | |
244 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
245 | if (r < 0) | |
bf5332d2 | 246 | return r; |
069cfc85 | 247 | |
e1202047 LP |
248 | r = udev_enumerate_add_match_is_initialized(e); |
249 | if (r < 0) | |
250 | return r; | |
251 | ||
069cfc85 LP |
252 | r = udev_enumerate_scan_devices(e); |
253 | if (r < 0) | |
bf5332d2 | 254 | return r; |
069cfc85 LP |
255 | |
256 | first = udev_enumerate_get_list_entry(e); | |
257 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 258 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
069cfc85 LP |
259 | int k; |
260 | ||
261 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
262 | if (!d) |
263 | return -ENOMEM; | |
069cfc85 | 264 | |
bf5332d2 | 265 | k = manager_process_button_device(m, d); |
069cfc85 LP |
266 | if (k < 0) |
267 | r = k; | |
268 | } | |
269 | ||
069cfc85 LP |
270 | return r; |
271 | } | |
272 | ||
9588bc32 | 273 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 274 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
275 | struct dirent *de; |
276 | int r = 0; | |
277 | ||
278 | assert(m); | |
279 | ||
280 | /* This loads data about seats stored on disk, but does not | |
281 | * actually create any seats. Removes data of seats that no | |
282 | * longer exist. */ | |
283 | ||
284 | d = opendir("/run/systemd/seats"); | |
285 | if (!d) { | |
286 | if (errno == ENOENT) | |
287 | return 0; | |
288 | ||
289 | log_error("Failed to open /run/systemd/seats: %m"); | |
290 | return -errno; | |
291 | } | |
292 | ||
9444b1f2 | 293 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
294 | Seat *s; |
295 | int k; | |
296 | ||
297 | if (!dirent_is_file(de)) | |
298 | continue; | |
299 | ||
300 | s = hashmap_get(m->seats, de->d_name); | |
301 | if (!s) { | |
302 | unlinkat(dirfd(d), de->d_name, 0); | |
303 | continue; | |
304 | } | |
305 | ||
306 | k = seat_load(s); | |
307 | if (k < 0) | |
308 | r = k; | |
309 | } | |
310 | ||
14c3baca LP |
311 | return r; |
312 | } | |
20263082 | 313 | |
14c3baca | 314 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 315 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
316 | struct dirent *de; |
317 | int r = 0; | |
318 | ||
9444b1f2 LP |
319 | assert(m); |
320 | ||
14c3baca LP |
321 | d = opendir("/var/lib/systemd/linger"); |
322 | if (!d) { | |
323 | if (errno == ENOENT) | |
324 | return 0; | |
325 | ||
326 | log_error("Failed to open /var/lib/systemd/linger/: %m"); | |
327 | return -errno; | |
328 | } | |
329 | ||
9444b1f2 | 330 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
331 | int k; |
332 | ||
333 | if (!dirent_is_file(de)) | |
20263082 LP |
334 | continue; |
335 | ||
14c3baca LP |
336 | k = manager_add_user_by_name(m, de->d_name, NULL); |
337 | if (k < 0) { | |
338 | log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); | |
339 | r = k; | |
20263082 LP |
340 | } |
341 | } | |
342 | ||
20263082 LP |
343 | return r; |
344 | } | |
345 | ||
9588bc32 | 346 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 347 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 348 | struct dirent *de; |
14c3baca | 349 | int r, k; |
20263082 LP |
350 | |
351 | assert(m); | |
352 | ||
9444b1f2 | 353 | /* Add lingering users */ |
b3629c7d | 354 | r = manager_enumerate_linger_users(m); |
14c3baca | 355 | |
9444b1f2 | 356 | /* Read in user data stored on disk */ |
20263082 LP |
357 | d = opendir("/run/systemd/users"); |
358 | if (!d) { | |
359 | if (errno == ENOENT) | |
360 | return 0; | |
361 | ||
362 | log_error("Failed to open /run/systemd/users: %m"); | |
363 | return -errno; | |
364 | } | |
365 | ||
9444b1f2 | 366 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 367 | User *u; |
20263082 LP |
368 | |
369 | if (!dirent_is_file(de)) | |
370 | continue; | |
371 | ||
9444b1f2 | 372 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 373 | if (k < 0) { |
9444b1f2 | 374 | log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 375 | |
9444b1f2 | 376 | r = k; |
20263082 LP |
377 | continue; |
378 | } | |
379 | ||
9444b1f2 LP |
380 | user_add_to_gc_queue(u); |
381 | ||
20263082 LP |
382 | k = user_load(u); |
383 | if (k < 0) | |
384 | r = k; | |
385 | } | |
386 | ||
20263082 LP |
387 | return r; |
388 | } | |
389 | ||
9588bc32 | 390 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
391 | _cleanup_closedir_ DIR *d = NULL; |
392 | struct dirent *de; | |
20263082 LP |
393 | int r = 0; |
394 | ||
9444b1f2 LP |
395 | assert(m); |
396 | ||
397 | /* Read in session data stored on disk */ | |
398 | d = opendir("/run/systemd/sessions"); | |
399 | if (!d) { | |
400 | if (errno == ENOENT) | |
401 | return 0; | |
402 | ||
403 | log_error("Failed to open /run/systemd/sessions: %m"); | |
404 | return -errno; | |
405 | } | |
406 | ||
407 | FOREACH_DIRENT(de, d, return -errno) { | |
408 | struct Session *s; | |
20263082 LP |
409 | int k; |
410 | ||
9444b1f2 | 411 | if (!dirent_is_file(de)) |
14c3baca LP |
412 | continue; |
413 | ||
4b549144 ZJS |
414 | if (!session_id_valid(de->d_name)) { |
415 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
416 | r = -EINVAL; | |
417 | continue; | |
418 | } | |
419 | ||
9444b1f2 | 420 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 421 | if (k < 0) { |
9444b1f2 | 422 | log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 423 | |
20263082 LP |
424 | r = k; |
425 | continue; | |
426 | } | |
427 | ||
9444b1f2 | 428 | session_add_to_gc_queue(s); |
20263082 | 429 | |
9444b1f2 | 430 | k = session_load(s); |
20263082 LP |
431 | if (k < 0) |
432 | r = k; | |
433 | } | |
434 | ||
435 | return r; | |
436 | } | |
437 | ||
9588bc32 | 438 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 439 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
440 | struct dirent *de; |
441 | int r = 0; | |
442 | ||
443 | assert(m); | |
444 | ||
9444b1f2 | 445 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
446 | if (!d) { |
447 | if (errno == ENOENT) | |
448 | return 0; | |
449 | ||
9444b1f2 | 450 | log_error("Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
451 | return -errno; |
452 | } | |
453 | ||
9444b1f2 | 454 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 455 | int k; |
9444b1f2 | 456 | Inhibitor *i; |
20263082 LP |
457 | |
458 | if (!dirent_is_file(de)) | |
459 | continue; | |
460 | ||
9444b1f2 LP |
461 | k = manager_add_inhibitor(m, de->d_name, &i); |
462 | if (k < 0) { | |
463 | log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); | |
464 | r = k; | |
20263082 LP |
465 | continue; |
466 | } | |
467 | ||
9444b1f2 | 468 | k = inhibitor_load(i); |
20263082 LP |
469 | if (k < 0) |
470 | r = k; | |
471 | } | |
472 | ||
20263082 LP |
473 | return r; |
474 | } | |
475 | ||
cc377381 | 476 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 477 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 478 | Manager *m = userdata; |
20263082 LP |
479 | |
480 | assert(m); | |
481 | ||
30ed21ce | 482 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
483 | if (!d) |
484 | return -ENOMEM; | |
485 | ||
7b77ed8c LP |
486 | manager_process_seat_device(m, d); |
487 | return 0; | |
30ed21ce LP |
488 | } |
489 | ||
cc377381 | 490 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 491 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 492 | Manager *m = userdata; |
718d006a DH |
493 | |
494 | assert(m); | |
495 | ||
496 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
497 | if (!d) | |
498 | return -ENOMEM; | |
499 | ||
7b77ed8c LP |
500 | manager_process_seat_device(m, d); |
501 | return 0; | |
718d006a DH |
502 | } |
503 | ||
cc377381 | 504 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 505 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 506 | Manager *m = userdata; |
30ed21ce LP |
507 | const char *name; |
508 | ||
509 | assert(m); | |
510 | ||
511 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
512 | if (!d) | |
513 | return -ENOMEM; | |
514 | ||
515 | name = udev_device_get_sysname(d); | |
516 | ||
517 | /* Whenever a VCSA device is removed try to reallocate our | |
518 | * VTs, to make sure our auto VTs never go away. */ | |
519 | ||
520 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
7b77ed8c | 521 | seat_preallocate_vts(m->seat0); |
30ed21ce | 522 | |
7b77ed8c | 523 | return 0; |
20263082 LP |
524 | } |
525 | ||
cc377381 | 526 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 527 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 528 | Manager *m = userdata; |
069cfc85 LP |
529 | |
530 | assert(m); | |
531 | ||
532 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
533 | if (!d) | |
534 | return -ENOMEM; | |
535 | ||
7b77ed8c LP |
536 | manager_process_button_device(m, d); |
537 | return 0; | |
069cfc85 LP |
538 | } |
539 | ||
cc377381 LP |
540 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
541 | Manager *m = userdata; | |
542 | ||
20263082 | 543 | assert(m); |
92432fcc | 544 | assert(m->seat0); |
cc377381 | 545 | assert(m->console_active_fd == fd); |
20263082 | 546 | |
92432fcc | 547 | seat_read_active_vt(m->seat0); |
20263082 LP |
548 | return 0; |
549 | } | |
550 | ||
98a77df5 LP |
551 | static int manager_reserve_vt(Manager *m) { |
552 | _cleanup_free_ char *p = NULL; | |
553 | ||
554 | assert(m); | |
555 | ||
556 | if (m->reserve_vt <= 0) | |
557 | return 0; | |
558 | ||
559 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
560 | return log_oom(); | |
561 | ||
562 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
563 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
564 | |
565 | /* Don't complain on VT-less systems */ | |
566 | if (errno != ENOENT) | |
567 | log_warning("Failed to pin reserved VT: %m"); | |
98a77df5 LP |
568 | return -errno; |
569 | } | |
570 | ||
571 | return 0; | |
572 | } | |
573 | ||
cc377381 LP |
574 | static int manager_connect_bus(Manager *m) { |
575 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
576 | int r; | |
31b79c2b | 577 | |
cc377381 LP |
578 | assert(m); |
579 | assert(!m->bus); | |
31b79c2b | 580 | |
76b54375 | 581 | r = sd_bus_default_system(&m->bus); |
cc377381 LP |
582 | if (r < 0) { |
583 | log_error("Failed to connect to system bus: %s", strerror(-r)); | |
584 | return r; | |
f8e2fb7b | 585 | } |
31b79c2b | 586 | |
cc377381 LP |
587 | r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
588 | if (r < 0) { | |
589 | log_error("Failed to add manager object vtable: %s", strerror(-r)); | |
590 | return r; | |
f8e2fb7b LP |
591 | } |
592 | ||
cc377381 LP |
593 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
594 | if (r < 0) { | |
595 | log_error("Failed to add seat object vtable: %s", strerror(-r)); | |
596 | return r; | |
069cfc85 LP |
597 | } |
598 | ||
cc377381 LP |
599 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
600 | if (r < 0) { | |
601 | log_error("Failed to add seat enumerator: %s", strerror(-r)); | |
602 | return r; | |
603 | } | |
20263082 | 604 | |
cc377381 LP |
605 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
606 | if (r < 0) { | |
607 | log_error("Failed to add session object vtable: %s", strerror(-r)); | |
608 | return r; | |
609 | } | |
20263082 | 610 | |
cc377381 LP |
611 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m); |
612 | if (r < 0) { | |
613 | log_error("Failed to add session enumerator: %s", strerror(-r)); | |
614 | return r; | |
615 | } | |
20263082 | 616 | |
cc377381 LP |
617 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
618 | if (r < 0) { | |
619 | log_error("Failed to add user object vtable: %s", strerror(-r)); | |
620 | return r; | |
20263082 LP |
621 | } |
622 | ||
cc377381 LP |
623 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m); |
624 | if (r < 0) { | |
625 | log_error("Failed to add user enumerator: %s", strerror(-r)); | |
626 | return r; | |
20263082 LP |
627 | } |
628 | ||
cc377381 LP |
629 | r = sd_bus_add_match(m->bus, |
630 | "type='signal'," | |
631 | "sender='org.freedesktop.DBus'," | |
632 | "interface='org.freedesktop.DBus'," | |
633 | "member='NameOwnerChanged'," | |
634 | "path='/org/freedesktop/DBus'", | |
635 | match_name_owner_changed, m); | |
636 | if (r < 0) { | |
637 | log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r)); | |
638 | return r; | |
e8b212fe DH |
639 | } |
640 | ||
cc377381 LP |
641 | r = sd_bus_add_match(m->bus, |
642 | "type='signal'," | |
643 | "sender='org.freedesktop.systemd1'," | |
644 | "interface='org.freedesktop.systemd1.Manager'," | |
645 | "member='JobRemoved'," | |
646 | "path='/org/freedesktop/systemd1'", | |
647 | match_job_removed, m); | |
648 | if (r < 0) { | |
649 | log_error("Failed to add match for JobRemoved: %s", strerror(-r)); | |
650 | return r; | |
943aca8e LP |
651 | } |
652 | ||
cc377381 LP |
653 | r = sd_bus_add_match(m->bus, |
654 | "type='signal'," | |
655 | "sender='org.freedesktop.systemd1'," | |
656 | "interface='org.freedesktop.systemd1.Manager'," | |
657 | "member='UnitRemoved'," | |
658 | "path='/org/freedesktop/systemd1'", | |
659 | match_unit_removed, m); | |
660 | if (r < 0) { | |
661 | log_error("Failed to add match for UnitRemoved: %s", strerror(-r)); | |
662 | return r; | |
fb6becb4 LP |
663 | } |
664 | ||
cc377381 LP |
665 | r = sd_bus_add_match(m->bus, |
666 | "type='signal'," | |
667 | "sender='org.freedesktop.systemd1'," | |
668 | "interface='org.freedesktop.DBus.Properties'," | |
669 | "member='PropertiesChanged'", | |
670 | match_properties_changed, m); | |
671 | if (r < 0) { | |
672 | log_error("Failed to add match for PropertiesChanged: %s", strerror(-r)); | |
673 | return r; | |
fb6becb4 LP |
674 | } |
675 | ||
cc377381 LP |
676 | r = sd_bus_add_match(m->bus, |
677 | "type='signal'," | |
678 | "sender='org.freedesktop.systemd1'," | |
679 | "interface='org.freedesktop.systemd1.Manager'," | |
680 | "member='Reloading'," | |
681 | "path='/org/freedesktop/systemd1'", | |
682 | match_reloading, m); | |
683 | if (r < 0) { | |
684 | log_error("Failed to add match for Reloading: %s", strerror(-r)); | |
685 | return r; | |
6797c324 LP |
686 | } |
687 | ||
cc377381 | 688 | r = sd_bus_call_method( |
fb6becb4 LP |
689 | m->bus, |
690 | "org.freedesktop.systemd1", | |
691 | "/org/freedesktop/systemd1", | |
692 | "org.freedesktop.systemd1.Manager", | |
693 | "Subscribe", | |
fb6becb4 | 694 | &error, |
cc377381 | 695 | NULL, NULL); |
fb6becb4 | 696 | if (r < 0) { |
cc377381 LP |
697 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
698 | return r; | |
20263082 LP |
699 | } |
700 | ||
5bb658a1 | 701 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
cc377381 LP |
702 | if (r < 0) { |
703 | log_error("Failed to register name: %s", strerror(-r)); | |
704 | return r; | |
bafd4449 LP |
705 | } |
706 | ||
cc377381 LP |
707 | r = sd_bus_attach_event(m->bus, m->event, 0); |
708 | if (r < 0) { | |
709 | log_error("Failed to attach bus to event loop: %s", strerror(-r)); | |
710 | return r; | |
20263082 LP |
711 | } |
712 | ||
20263082 | 713 | return 0; |
20263082 LP |
714 | } |
715 | ||
716 | static int manager_connect_console(Manager *m) { | |
cc377381 | 717 | int r; |
20263082 LP |
718 | |
719 | assert(m); | |
720 | assert(m->console_active_fd < 0); | |
721 | ||
74afee9c LP |
722 | /* On certain architectures (S390 and Xen, and containers), |
723 | /dev/tty0 does not exist, so don't fail if we can't open | |
724 | it. */ | |
cc377381 | 725 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 726 | return 0; |
74afee9c | 727 | |
20263082 LP |
728 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
729 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
730 | |
731 | /* On some systems the device node /dev/tty0 may exist | |
732 | * even though /sys/class/tty/tty0 does not. */ | |
733 | if (errno == ENOENT) | |
734 | return 0; | |
735 | ||
20263082 LP |
736 | log_error("Failed to open /sys/class/tty/tty0/active: %m"); |
737 | return -errno; | |
738 | } | |
739 | ||
151b9b96 | 740 | r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m); |
cc377381 LP |
741 | if (r < 0) { |
742 | log_error("Failed to watch foreground console"); | |
743 | return r; | |
744 | } | |
20263082 LP |
745 | |
746 | return 0; | |
747 | } | |
748 | ||
749 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 750 | int r; |
20263082 LP |
751 | |
752 | assert(m); | |
30ed21ce | 753 | assert(!m->udev_seat_monitor); |
718d006a | 754 | assert(!m->udev_device_monitor); |
30ed21ce | 755 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 756 | assert(!m->udev_button_monitor); |
20263082 | 757 | |
30ed21ce LP |
758 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
759 | if (!m->udev_seat_monitor) | |
20263082 LP |
760 | return -ENOMEM; |
761 | ||
2d96536d | 762 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
763 | if (r < 0) |
764 | return r; | |
20263082 | 765 | |
30ed21ce | 766 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
767 | if (r < 0) |
768 | return r; | |
20263082 | 769 | |
151b9b96 | 770 | r = sd_event_add_io(m->event, &m->udev_seat_event_source, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m); |
cc377381 LP |
771 | if (r < 0) |
772 | return r; | |
069cfc85 | 773 | |
718d006a DH |
774 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
775 | if (!m->udev_device_monitor) | |
776 | return -ENOMEM; | |
777 | ||
778 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
779 | if (r < 0) | |
780 | return r; | |
781 | ||
782 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
783 | if (r < 0) | |
784 | return r; | |
785 | ||
786 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
787 | if (r < 0) | |
788 | return r; | |
789 | ||
790 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
791 | if (r < 0) | |
792 | return r; | |
793 | ||
151b9b96 | 794 | r = sd_event_add_io(m->event, &m->udev_device_event_source, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m); |
cc377381 LP |
795 | if (r < 0) |
796 | return r; | |
718d006a | 797 | |
6de0e0e5 | 798 | /* Don't watch keys if nobody cares */ |
beaafb2e | 799 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
800 | m->handle_suspend_key != HANDLE_IGNORE || |
801 | m->handle_hibernate_key != HANDLE_IGNORE || | |
beaafb2e | 802 | m->handle_lid_switch != HANDLE_IGNORE) { |
069cfc85 | 803 | |
6de0e0e5 LP |
804 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
805 | if (!m->udev_button_monitor) | |
806 | return -ENOMEM; | |
069cfc85 | 807 | |
6de0e0e5 LP |
808 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
809 | if (r < 0) | |
810 | return r; | |
069cfc85 | 811 | |
6de0e0e5 LP |
812 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
813 | if (r < 0) | |
814 | return r; | |
069cfc85 | 815 | |
6de0e0e5 LP |
816 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
817 | if (r < 0) | |
818 | return r; | |
069cfc85 | 819 | |
151b9b96 | 820 | r = sd_event_add_io(m->event, &m->udev_button_event_source, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m); |
cc377381 LP |
821 | if (r < 0) |
822 | return r; | |
6de0e0e5 | 823 | } |
069cfc85 | 824 | |
976c088a | 825 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 826 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 827 | |
6de0e0e5 LP |
828 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
829 | if (!m->udev_vcsa_monitor) | |
830 | return -ENOMEM; | |
30ed21ce | 831 | |
6de0e0e5 LP |
832 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
833 | if (r < 0) | |
834 | return r; | |
30ed21ce | 835 | |
6de0e0e5 LP |
836 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
837 | if (r < 0) | |
838 | return r; | |
30ed21ce | 839 | |
151b9b96 | 840 | r = sd_event_add_io(m->event, &m->udev_vcsa_event_source, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m); |
cc377381 LP |
841 | if (r < 0) |
842 | return r; | |
6de0e0e5 | 843 | } |
20263082 LP |
844 | |
845 | return 0; | |
846 | } | |
847 | ||
4a4b033f | 848 | void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
849 | Seat *seat; |
850 | Session *session; | |
851 | User *user; | |
852 | ||
853 | assert(m); | |
854 | ||
855 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 856 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
857 | seat->in_gc_queue = false; |
858 | ||
cc377381 | 859 | if (!seat_check_gc(seat, drop_not_started)) { |
9bb69af4 | 860 | seat_stop(seat, false); |
14c3baca LP |
861 | seat_free(seat); |
862 | } | |
863 | } | |
864 | ||
865 | while ((session = m->session_gc_queue)) { | |
71fda00f | 866 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
867 | session->in_gc_queue = false; |
868 | ||
5f41d1f1 LP |
869 | /* First, if we are not closing yet, initiate stopping */ |
870 | if (!session_check_gc(session, drop_not_started) && | |
871 | session_get_state(session) != SESSION_CLOSING) | |
9bb69af4 | 872 | session_stop(session, false); |
5f41d1f1 LP |
873 | |
874 | /* Normally, this should make the session busy again, | |
875 | * if it doesn't then let's get rid of it | |
876 | * immediately */ | |
877 | if (!session_check_gc(session, drop_not_started)) { | |
405e0255 | 878 | session_finalize(session); |
14c3baca LP |
879 | session_free(session); |
880 | } | |
881 | } | |
882 | ||
883 | while ((user = m->user_gc_queue)) { | |
71fda00f | 884 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
885 | user->in_gc_queue = false; |
886 | ||
b58b227a DH |
887 | /* First step: queue stop jobs */ |
888 | if (!user_check_gc(user, drop_not_started)) | |
9bb69af4 | 889 | user_stop(user, false); |
5f41d1f1 | 890 | |
b58b227a | 891 | /* Second step: finalize user */ |
5f41d1f1 | 892 | if (!user_check_gc(user, drop_not_started)) { |
405e0255 | 893 | user_finalize(user); |
14c3baca LP |
894 | user_free(user); |
895 | } | |
896 | } | |
897 | } | |
898 | ||
cc377381 LP |
899 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
900 | Manager *m = userdata; | |
23406ce5 | 901 | struct dual_timestamp since; |
cc377381 | 902 | usec_t n, elapse; |
23406ce5 | 903 | int r; |
23406ce5 LP |
904 | |
905 | assert(m); | |
906 | ||
907 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
908 | m->idle_action_usec <= 0) |
909 | return 0; | |
23406ce5 | 910 | |
23406ce5 LP |
911 | n = now(CLOCK_MONOTONIC); |
912 | ||
913 | r = manager_get_idle_hint(m, &since); | |
914 | if (r <= 0) | |
39ccc87c | 915 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 916 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
917 | else { |
918 | /* Idle! Let's see if it's time to do something, or if | |
919 | * we shall sleep for longer. */ | |
920 | ||
921 | if (n >= since.monotonic + m->idle_action_usec && | |
922 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
923 | log_info("System idle. Taking action."); | |
924 | ||
925 | manager_handle_action(m, 0, m->idle_action, false, false); | |
926 | m->idle_action_not_before_usec = n; | |
927 | } | |
928 | ||
cc377381 | 929 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
930 | } |
931 | ||
cc377381 | 932 | if (!m->idle_action_event_source) { |
23406ce5 | 933 | |
151b9b96 | 934 | r = sd_event_add_monotonic(m->event, &m->idle_action_event_source, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m); |
cc377381 LP |
935 | if (r < 0) { |
936 | log_error("Failed to add idle event source: %s", strerror(-r)); | |
937 | return r; | |
23406ce5 LP |
938 | } |
939 | ||
718db961 | 940 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
cc377381 LP |
941 | if (r < 0) { |
942 | log_error("Failed to set idle event source priority: %s", strerror(-r)); | |
943 | return r; | |
944 | } | |
945 | } else { | |
946 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
947 | if (r < 0) { | |
948 | log_error("Failed to set idle event timer: %s", strerror(-r)); | |
949 | return r; | |
23406ce5 | 950 | } |
23406ce5 | 951 | |
cc377381 LP |
952 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
953 | if (r < 0) { | |
954 | log_error("Failed to enable idle event timer: %s", strerror(-r)); | |
955 | return r; | |
956 | } | |
23406ce5 LP |
957 | } |
958 | ||
959 | return 0; | |
23406ce5 | 960 | } |
cc377381 | 961 | |
20263082 LP |
962 | int manager_startup(Manager *m) { |
963 | int r; | |
14c3baca LP |
964 | Seat *seat; |
965 | Session *session; | |
966 | User *user; | |
ed4ba7e4 | 967 | Button *button; |
f8e2fb7b | 968 | Inhibitor *inhibitor; |
14c3baca | 969 | Iterator i; |
20263082 LP |
970 | |
971 | assert(m); | |
20263082 | 972 | |
976c088a LP |
973 | /* Connect to console */ |
974 | r = manager_connect_console(m); | |
20263082 LP |
975 | if (r < 0) |
976 | return r; | |
977 | ||
976c088a LP |
978 | /* Connect to udev */ |
979 | r = manager_connect_udev(m); | |
cc377381 LP |
980 | if (r < 0) { |
981 | log_error("Failed to create udev watchers: %s", strerror(-r)); | |
20263082 | 982 | return r; |
cc377381 | 983 | } |
20263082 LP |
984 | |
985 | /* Connect to the bus */ | |
986 | r = manager_connect_bus(m); | |
987 | if (r < 0) | |
988 | return r; | |
989 | ||
14c3baca | 990 | /* Instantiate magic seat 0 */ |
92432fcc | 991 | r = manager_add_seat(m, "seat0", &m->seat0); |
cc377381 LP |
992 | if (r < 0) { |
993 | log_error("Failed to add seat0: %s", strerror(-r)); | |
14c3baca | 994 | return r; |
cc377381 | 995 | } |
14c3baca | 996 | |
20263082 | 997 | /* Deserialize state */ |
042f5988 ZJS |
998 | r = manager_enumerate_devices(m); |
999 | if (r < 0) | |
1000 | log_warning("Device enumeration failed: %s", strerror(-r)); | |
1001 | ||
1002 | r = manager_enumerate_seats(m); | |
1003 | if (r < 0) | |
1004 | log_warning("Seat enumeration failed: %s", strerror(-r)); | |
1005 | ||
1006 | r = manager_enumerate_users(m); | |
1007 | if (r < 0) | |
1008 | log_warning("User enumeration failed: %s", strerror(-r)); | |
1009 | ||
1010 | r = manager_enumerate_sessions(m); | |
1011 | if (r < 0) | |
1012 | log_warning("Session enumeration failed: %s", strerror(-r)); | |
1013 | ||
1014 | r = manager_enumerate_inhibitors(m); | |
1015 | if (r < 0) | |
1016 | log_warning("Inhibitor enumeration failed: %s", strerror(-r)); | |
1017 | ||
1018 | r = manager_enumerate_buttons(m); | |
1019 | if (r < 0) | |
1020 | log_warning("Button enumeration failed: %s", strerror(-r)); | |
20263082 | 1021 | |
4a4b033f LP |
1022 | /* Remove stale objects before we start them */ |
1023 | manager_gc(m, false); | |
1024 | ||
98a77df5 LP |
1025 | /* Reserve the special reserved VT */ |
1026 | manager_reserve_vt(m); | |
1027 | ||
14c3baca LP |
1028 | /* And start everything */ |
1029 | HASHMAP_FOREACH(seat, m->seats, i) | |
1030 | seat_start(seat); | |
1031 | ||
1032 | HASHMAP_FOREACH(user, m->users, i) | |
1033 | user_start(user); | |
1034 | ||
1035 | HASHMAP_FOREACH(session, m->sessions, i) | |
1036 | session_start(session); | |
20263082 | 1037 | |
f8e2fb7b LP |
1038 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1039 | inhibitor_start(inhibitor); | |
1040 | ||
ed4ba7e4 LP |
1041 | HASHMAP_FOREACH(button, m->buttons, i) |
1042 | button_check_lid(button); | |
1043 | ||
cc377381 | 1044 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1045 | |
20263082 LP |
1046 | return 0; |
1047 | } | |
1048 | ||
1049 | int manager_run(Manager *m) { | |
cc377381 LP |
1050 | int r; |
1051 | ||
20263082 LP |
1052 | assert(m); |
1053 | ||
1054 | for (;;) { | |
cc377381 LP |
1055 | usec_t us = (uint64_t) -1; |
1056 | ||
1057 | r = sd_event_get_state(m->event); | |
1058 | if (r < 0) | |
1059 | return r; | |
1060 | if (r == SD_EVENT_FINISHED) | |
1061 | return 0; | |
20263082 | 1062 | |
4a4b033f | 1063 | manager_gc(m, true); |
14c3baca | 1064 | |
d889a206 | 1065 | if (manager_dispatch_delayed(m) > 0) |
eecd1362 LP |
1066 | continue; |
1067 | ||
84286536 | 1068 | if (m->action_what != 0 && !m->action_job) { |
eecd1362 LP |
1069 | usec_t x, y; |
1070 | ||
1071 | x = now(CLOCK_MONOTONIC); | |
314b4b0a | 1072 | y = m->action_timestamp + m->inhibit_delay_max; |
eecd1362 | 1073 | |
cc377381 | 1074 | us = x >= y ? 0 : y - x; |
eecd1362 LP |
1075 | } |
1076 | ||
cc377381 LP |
1077 | r = sd_event_run(m->event, us); |
1078 | if (r < 0) | |
1079 | return r; | |
20263082 LP |
1080 | } |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
193197e8 | 1085 | static int manager_parse_config_file(Manager *m) { |
db5c0122 LP |
1086 | static const char fn[] = "/etc/systemd/logind.conf"; |
1087 | _cleanup_fclose_ FILE *f = NULL; | |
193197e8 LP |
1088 | int r; |
1089 | ||
1090 | assert(m); | |
1091 | ||
193197e8 LP |
1092 | f = fopen(fn, "re"); |
1093 | if (!f) { | |
1094 | if (errno == ENOENT) | |
1095 | return 0; | |
1096 | ||
1097 | log_warning("Failed to open configuration file %s: %m", fn); | |
1098 | return -errno; | |
1099 | } | |
1100 | ||
db5c0122 LP |
1101 | r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup, |
1102 | (void*) logind_gperf_lookup, false, false, m); | |
193197e8 LP |
1103 | if (r < 0) |
1104 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
1105 | ||
193197e8 LP |
1106 | return r; |
1107 | } | |
1108 | ||
20263082 LP |
1109 | int main(int argc, char *argv[]) { |
1110 | Manager *m = NULL; | |
5eda94dd | 1111 | int r; |
20263082 LP |
1112 | |
1113 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1114 | log_set_facility(LOG_AUTH); |
20263082 LP |
1115 | log_parse_environment(); |
1116 | log_open(); | |
1117 | ||
4c12626c LP |
1118 | umask(0022); |
1119 | ||
20263082 LP |
1120 | if (argc != 1) { |
1121 | log_error("This program takes no arguments."); | |
1122 | r = -EINVAL; | |
1123 | goto finish; | |
1124 | } | |
1125 | ||
bb27ff66 LP |
1126 | /* Always create the directories people can create inotify |
1127 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1128 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1129 | * logind is available, so please always make sure this check |
1130 | * stays in. */ | |
1131 | mkdir_label("/run/systemd/seats", 0755); | |
1132 | mkdir_label("/run/systemd/users", 0755); | |
1133 | mkdir_label("/run/systemd/sessions", 0755); | |
1134 | ||
20263082 LP |
1135 | m = manager_new(); |
1136 | if (!m) { | |
0d0f0c50 | 1137 | r = log_oom(); |
20263082 LP |
1138 | goto finish; |
1139 | } | |
1140 | ||
193197e8 LP |
1141 | manager_parse_config_file(m); |
1142 | ||
20263082 LP |
1143 | r = manager_startup(m); |
1144 | if (r < 0) { | |
1145 | log_error("Failed to fully start up daemon: %s", strerror(-r)); | |
1146 | goto finish; | |
1147 | } | |
1148 | ||
e6960940 LP |
1149 | log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); |
1150 | ||
1151 | sd_notify(false, | |
1152 | "READY=1\n" | |
1153 | "STATUS=Processing requests..."); | |
1154 | ||
20263082 LP |
1155 | r = manager_run(m); |
1156 | ||
e6960940 LP |
1157 | log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); |
1158 | ||
20263082 | 1159 | finish: |
e6960940 LP |
1160 | sd_notify(false, |
1161 | "STATUS=Shutting down..."); | |
1162 | ||
20263082 LP |
1163 | if (m) |
1164 | manager_free(m); | |
1165 | ||
1166 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1167 | } |