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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 || |
1ee306e1 | 76 | !m->user_units || !m->session_units || |
cc377381 | 77 | !m->busnames) { |
25d93491 LP |
78 | manager_free(m); |
79 | return NULL; | |
80 | } | |
81 | ||
25d93491 | 82 | m->kill_exclude_users = strv_new("root", NULL); |
fb6becb4 | 83 | if (!m->kill_exclude_users) { |
20263082 LP |
84 | manager_free(m); |
85 | return NULL; | |
86 | } | |
87 | ||
88 | m->udev = udev_new(); | |
89 | if (!m->udev) { | |
90 | manager_free(m); | |
91 | return NULL; | |
92 | } | |
93 | ||
afc6adb5 | 94 | r = sd_event_default(&m->event); |
cc377381 LP |
95 | if (r < 0) { |
96 | manager_free(m); | |
97 | return NULL; | |
98 | } | |
99 | ||
cde93897 LP |
100 | sd_event_set_watchdog(m->event, true); |
101 | ||
20263082 LP |
102 | return m; |
103 | } | |
104 | ||
105 | void manager_free(Manager *m) { | |
106 | Session *session; | |
107 | User *u; | |
108 | Device *d; | |
109 | Seat *s; | |
f8e2fb7b | 110 | Inhibitor *i; |
069cfc85 | 111 | Button *b; |
20263082 LP |
112 | |
113 | assert(m); | |
114 | ||
115 | while ((session = hashmap_first(m->sessions))) | |
116 | session_free(session); | |
117 | ||
118 | while ((u = hashmap_first(m->users))) | |
119 | user_free(u); | |
120 | ||
121 | while ((d = hashmap_first(m->devices))) | |
122 | device_free(d); | |
123 | ||
124 | while ((s = hashmap_first(m->seats))) | |
125 | seat_free(s); | |
126 | ||
f8e2fb7b LP |
127 | while ((i = hashmap_first(m->inhibitors))) |
128 | inhibitor_free(i); | |
129 | ||
069cfc85 LP |
130 | while ((b = hashmap_first(m->buttons))) |
131 | button_free(b); | |
132 | ||
20263082 LP |
133 | hashmap_free(m->devices); |
134 | hashmap_free(m->seats); | |
f8e2fb7b LP |
135 | hashmap_free(m->sessions); |
136 | hashmap_free(m->users); | |
137 | hashmap_free(m->inhibitors); | |
069cfc85 | 138 | hashmap_free(m->buttons); |
f8e2fb7b | 139 | |
fb6becb4 LP |
140 | hashmap_free(m->user_units); |
141 | hashmap_free(m->session_units); | |
8c8c4351 | 142 | |
cc377381 LP |
143 | set_free_free(m->busnames); |
144 | ||
145 | sd_event_source_unref(m->idle_action_event_source); | |
146 | ||
147 | sd_event_source_unref(m->console_active_event_source); | |
148 | sd_event_source_unref(m->udev_seat_event_source); | |
149 | sd_event_source_unref(m->udev_device_event_source); | |
150 | sd_event_source_unref(m->udev_vcsa_event_source); | |
151 | sd_event_source_unref(m->udev_button_event_source); | |
20263082 LP |
152 | |
153 | if (m->console_active_fd >= 0) | |
154 | close_nointr_nofail(m->console_active_fd); | |
155 | ||
30ed21ce LP |
156 | if (m->udev_seat_monitor) |
157 | udev_monitor_unref(m->udev_seat_monitor); | |
718d006a DH |
158 | if (m->udev_device_monitor) |
159 | udev_monitor_unref(m->udev_device_monitor); | |
30ed21ce LP |
160 | if (m->udev_vcsa_monitor) |
161 | udev_monitor_unref(m->udev_vcsa_monitor); | |
069cfc85 LP |
162 | if (m->udev_button_monitor) |
163 | udev_monitor_unref(m->udev_button_monitor); | |
20263082 LP |
164 | |
165 | if (m->udev) | |
166 | udev_unref(m->udev); | |
167 | ||
cc377381 | 168 | bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry); |
20263082 | 169 | |
cc377381 LP |
170 | sd_bus_unref(m->bus); |
171 | sd_event_unref(m->event); | |
20263082 | 172 | |
98a77df5 LP |
173 | if (m->reserve_vt_fd >= 0) |
174 | close_nointr_nofail(m->reserve_vt_fd); | |
175 | ||
193197e8 LP |
176 | strv_free(m->kill_only_users); |
177 | strv_free(m->kill_exclude_users); | |
178 | ||
af9792ac | 179 | free(m->action_job); |
20263082 LP |
180 | free(m); |
181 | } | |
182 | ||
9588bc32 | 183 | static int manager_enumerate_devices(Manager *m) { |
20263082 | 184 | struct udev_list_entry *item = NULL, *first = NULL; |
bf5332d2 | 185 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
14c3baca | 186 | int r; |
20263082 LP |
187 | |
188 | assert(m); | |
189 | ||
190 | /* Loads devices from udev and creates seats for them as | |
191 | * necessary */ | |
192 | ||
193 | e = udev_enumerate_new(m->udev); | |
bf5332d2 LP |
194 | if (!e) |
195 | return -ENOMEM; | |
20263082 | 196 | |
2d96536d | 197 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 198 | if (r < 0) |
bf5332d2 | 199 | return r; |
20263082 | 200 | |
14c3baca LP |
201 | r = udev_enumerate_scan_devices(e); |
202 | if (r < 0) | |
bf5332d2 | 203 | return r; |
20263082 LP |
204 | |
205 | first = udev_enumerate_get_list_entry(e); | |
206 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 207 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
208 | int k; |
209 | ||
210 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
211 | if (!d) |
212 | return -ENOMEM; | |
20263082 | 213 | |
bf5332d2 LP |
214 | if (!udev_device_get_is_initialized(d)) |
215 | continue; | |
20263082 | 216 | |
bf5332d2 | 217 | k = manager_process_seat_device(m, d); |
20263082 LP |
218 | if (k < 0) |
219 | r = k; | |
220 | } | |
221 | ||
20263082 LP |
222 | return r; |
223 | } | |
224 | ||
9588bc32 | 225 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 226 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 227 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
228 | int r; |
229 | ||
230 | assert(m); | |
231 | ||
232 | /* Loads buttons from udev */ | |
233 | ||
beaafb2e | 234 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
235 | m->handle_suspend_key == HANDLE_IGNORE && |
236 | m->handle_hibernate_key == HANDLE_IGNORE && | |
beaafb2e | 237 | m->handle_lid_switch == HANDLE_IGNORE) |
6de0e0e5 LP |
238 | return 0; |
239 | ||
069cfc85 | 240 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
241 | if (!e) |
242 | return -ENOMEM; | |
069cfc85 LP |
243 | |
244 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
245 | if (r < 0) | |
bf5332d2 | 246 | return r; |
069cfc85 LP |
247 | |
248 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
249 | if (r < 0) | |
bf5332d2 | 250 | return r; |
069cfc85 LP |
251 | |
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 LP |
265 | if (!udev_device_get_is_initialized(d)) |
266 | continue; | |
069cfc85 | 267 | |
bf5332d2 | 268 | k = manager_process_button_device(m, d); |
069cfc85 LP |
269 | if (k < 0) |
270 | r = k; | |
271 | } | |
272 | ||
069cfc85 LP |
273 | return r; |
274 | } | |
275 | ||
9588bc32 | 276 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 277 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
278 | struct dirent *de; |
279 | int r = 0; | |
280 | ||
281 | assert(m); | |
282 | ||
283 | /* This loads data about seats stored on disk, but does not | |
284 | * actually create any seats. Removes data of seats that no | |
285 | * longer exist. */ | |
286 | ||
287 | d = opendir("/run/systemd/seats"); | |
288 | if (!d) { | |
289 | if (errno == ENOENT) | |
290 | return 0; | |
291 | ||
292 | log_error("Failed to open /run/systemd/seats: %m"); | |
293 | return -errno; | |
294 | } | |
295 | ||
9444b1f2 | 296 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
297 | Seat *s; |
298 | int k; | |
299 | ||
300 | if (!dirent_is_file(de)) | |
301 | continue; | |
302 | ||
303 | s = hashmap_get(m->seats, de->d_name); | |
304 | if (!s) { | |
305 | unlinkat(dirfd(d), de->d_name, 0); | |
306 | continue; | |
307 | } | |
308 | ||
309 | k = seat_load(s); | |
310 | if (k < 0) | |
311 | r = k; | |
312 | } | |
313 | ||
14c3baca LP |
314 | return r; |
315 | } | |
20263082 | 316 | |
14c3baca | 317 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 318 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
319 | struct dirent *de; |
320 | int r = 0; | |
321 | ||
9444b1f2 LP |
322 | assert(m); |
323 | ||
14c3baca LP |
324 | d = opendir("/var/lib/systemd/linger"); |
325 | if (!d) { | |
326 | if (errno == ENOENT) | |
327 | return 0; | |
328 | ||
329 | log_error("Failed to open /var/lib/systemd/linger/: %m"); | |
330 | return -errno; | |
331 | } | |
332 | ||
9444b1f2 | 333 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
334 | int k; |
335 | ||
336 | if (!dirent_is_file(de)) | |
20263082 LP |
337 | continue; |
338 | ||
14c3baca LP |
339 | k = manager_add_user_by_name(m, de->d_name, NULL); |
340 | if (k < 0) { | |
341 | log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); | |
342 | r = k; | |
20263082 LP |
343 | } |
344 | } | |
345 | ||
20263082 LP |
346 | return r; |
347 | } | |
348 | ||
9588bc32 | 349 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 350 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 351 | struct dirent *de; |
14c3baca | 352 | int r, k; |
20263082 LP |
353 | |
354 | assert(m); | |
355 | ||
9444b1f2 | 356 | /* Add lingering users */ |
b3629c7d | 357 | r = manager_enumerate_linger_users(m); |
14c3baca | 358 | |
9444b1f2 | 359 | /* Read in user data stored on disk */ |
20263082 LP |
360 | d = opendir("/run/systemd/users"); |
361 | if (!d) { | |
362 | if (errno == ENOENT) | |
363 | return 0; | |
364 | ||
365 | log_error("Failed to open /run/systemd/users: %m"); | |
366 | return -errno; | |
367 | } | |
368 | ||
9444b1f2 | 369 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 370 | User *u; |
20263082 LP |
371 | |
372 | if (!dirent_is_file(de)) | |
373 | continue; | |
374 | ||
9444b1f2 | 375 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 376 | if (k < 0) { |
9444b1f2 | 377 | log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 378 | |
9444b1f2 | 379 | r = k; |
20263082 LP |
380 | continue; |
381 | } | |
382 | ||
9444b1f2 LP |
383 | user_add_to_gc_queue(u); |
384 | ||
20263082 LP |
385 | k = user_load(u); |
386 | if (k < 0) | |
387 | r = k; | |
388 | } | |
389 | ||
20263082 LP |
390 | return r; |
391 | } | |
392 | ||
9588bc32 | 393 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
394 | _cleanup_closedir_ DIR *d = NULL; |
395 | struct dirent *de; | |
20263082 LP |
396 | int r = 0; |
397 | ||
9444b1f2 LP |
398 | assert(m); |
399 | ||
400 | /* Read in session data stored on disk */ | |
401 | d = opendir("/run/systemd/sessions"); | |
402 | if (!d) { | |
403 | if (errno == ENOENT) | |
404 | return 0; | |
405 | ||
406 | log_error("Failed to open /run/systemd/sessions: %m"); | |
407 | return -errno; | |
408 | } | |
409 | ||
410 | FOREACH_DIRENT(de, d, return -errno) { | |
411 | struct Session *s; | |
20263082 LP |
412 | int k; |
413 | ||
9444b1f2 | 414 | if (!dirent_is_file(de)) |
14c3baca LP |
415 | continue; |
416 | ||
4b549144 ZJS |
417 | if (!session_id_valid(de->d_name)) { |
418 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
419 | r = -EINVAL; | |
420 | continue; | |
421 | } | |
422 | ||
9444b1f2 | 423 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 424 | if (k < 0) { |
9444b1f2 | 425 | log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 426 | |
20263082 LP |
427 | r = k; |
428 | continue; | |
429 | } | |
430 | ||
9444b1f2 | 431 | session_add_to_gc_queue(s); |
20263082 | 432 | |
9444b1f2 | 433 | k = session_load(s); |
20263082 LP |
434 | if (k < 0) |
435 | r = k; | |
436 | } | |
437 | ||
438 | return r; | |
439 | } | |
440 | ||
9588bc32 | 441 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 442 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
443 | struct dirent *de; |
444 | int r = 0; | |
445 | ||
446 | assert(m); | |
447 | ||
9444b1f2 | 448 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
449 | if (!d) { |
450 | if (errno == ENOENT) | |
451 | return 0; | |
452 | ||
9444b1f2 | 453 | log_error("Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
454 | return -errno; |
455 | } | |
456 | ||
9444b1f2 | 457 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 458 | int k; |
9444b1f2 | 459 | Inhibitor *i; |
20263082 LP |
460 | |
461 | if (!dirent_is_file(de)) | |
462 | continue; | |
463 | ||
9444b1f2 LP |
464 | k = manager_add_inhibitor(m, de->d_name, &i); |
465 | if (k < 0) { | |
466 | log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); | |
467 | r = k; | |
20263082 LP |
468 | continue; |
469 | } | |
470 | ||
9444b1f2 | 471 | k = inhibitor_load(i); |
20263082 LP |
472 | if (k < 0) |
473 | r = k; | |
474 | } | |
475 | ||
20263082 LP |
476 | return r; |
477 | } | |
478 | ||
cc377381 | 479 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 480 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 481 | Manager *m = userdata; |
20263082 LP |
482 | |
483 | assert(m); | |
484 | ||
30ed21ce | 485 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
486 | if (!d) |
487 | return -ENOMEM; | |
488 | ||
7b77ed8c LP |
489 | manager_process_seat_device(m, d); |
490 | return 0; | |
30ed21ce LP |
491 | } |
492 | ||
cc377381 | 493 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 494 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 495 | Manager *m = userdata; |
718d006a DH |
496 | |
497 | assert(m); | |
498 | ||
499 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
500 | if (!d) | |
501 | return -ENOMEM; | |
502 | ||
7b77ed8c LP |
503 | manager_process_seat_device(m, d); |
504 | return 0; | |
718d006a DH |
505 | } |
506 | ||
cc377381 | 507 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 508 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 509 | Manager *m = userdata; |
30ed21ce LP |
510 | const char *name; |
511 | ||
512 | assert(m); | |
513 | ||
514 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
515 | if (!d) | |
516 | return -ENOMEM; | |
517 | ||
518 | name = udev_device_get_sysname(d); | |
519 | ||
520 | /* Whenever a VCSA device is removed try to reallocate our | |
521 | * VTs, to make sure our auto VTs never go away. */ | |
522 | ||
523 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
7b77ed8c | 524 | seat_preallocate_vts(m->seat0); |
30ed21ce | 525 | |
7b77ed8c | 526 | return 0; |
20263082 LP |
527 | } |
528 | ||
cc377381 | 529 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 530 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 531 | Manager *m = userdata; |
069cfc85 LP |
532 | |
533 | assert(m); | |
534 | ||
535 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
536 | if (!d) | |
537 | return -ENOMEM; | |
538 | ||
7b77ed8c LP |
539 | manager_process_button_device(m, d); |
540 | return 0; | |
069cfc85 LP |
541 | } |
542 | ||
cc377381 LP |
543 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
544 | Manager *m = userdata; | |
545 | ||
20263082 | 546 | assert(m); |
92432fcc | 547 | assert(m->seat0); |
cc377381 | 548 | assert(m->console_active_fd == fd); |
20263082 | 549 | |
92432fcc | 550 | seat_read_active_vt(m->seat0); |
20263082 LP |
551 | return 0; |
552 | } | |
553 | ||
98a77df5 LP |
554 | static int manager_reserve_vt(Manager *m) { |
555 | _cleanup_free_ char *p = NULL; | |
556 | ||
557 | assert(m); | |
558 | ||
559 | if (m->reserve_vt <= 0) | |
560 | return 0; | |
561 | ||
562 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
563 | return log_oom(); | |
564 | ||
565 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
566 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
567 | |
568 | /* Don't complain on VT-less systems */ | |
569 | if (errno != ENOENT) | |
570 | log_warning("Failed to pin reserved VT: %m"); | |
98a77df5 LP |
571 | return -errno; |
572 | } | |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
cc377381 LP |
577 | static int manager_connect_bus(Manager *m) { |
578 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
579 | int r; | |
31b79c2b | 580 | |
cc377381 LP |
581 | assert(m); |
582 | assert(!m->bus); | |
31b79c2b | 583 | |
76b54375 | 584 | r = sd_bus_default_system(&m->bus); |
cc377381 LP |
585 | if (r < 0) { |
586 | log_error("Failed to connect to system bus: %s", strerror(-r)); | |
587 | return r; | |
f8e2fb7b | 588 | } |
31b79c2b | 589 | |
cc377381 LP |
590 | r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
591 | if (r < 0) { | |
592 | log_error("Failed to add manager object vtable: %s", strerror(-r)); | |
593 | return r; | |
f8e2fb7b LP |
594 | } |
595 | ||
cc377381 LP |
596 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
597 | if (r < 0) { | |
598 | log_error("Failed to add seat object vtable: %s", strerror(-r)); | |
599 | return r; | |
069cfc85 LP |
600 | } |
601 | ||
cc377381 LP |
602 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
603 | if (r < 0) { | |
604 | log_error("Failed to add seat enumerator: %s", strerror(-r)); | |
605 | return r; | |
606 | } | |
20263082 | 607 | |
cc377381 LP |
608 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
609 | if (r < 0) { | |
610 | log_error("Failed to add session object vtable: %s", strerror(-r)); | |
611 | return r; | |
612 | } | |
20263082 | 613 | |
cc377381 LP |
614 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m); |
615 | if (r < 0) { | |
616 | log_error("Failed to add session enumerator: %s", strerror(-r)); | |
617 | return r; | |
618 | } | |
20263082 | 619 | |
cc377381 LP |
620 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
621 | if (r < 0) { | |
622 | log_error("Failed to add user object vtable: %s", strerror(-r)); | |
623 | return r; | |
20263082 LP |
624 | } |
625 | ||
cc377381 LP |
626 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m); |
627 | if (r < 0) { | |
628 | log_error("Failed to add user enumerator: %s", strerror(-r)); | |
629 | return r; | |
20263082 LP |
630 | } |
631 | ||
cc377381 LP |
632 | r = sd_bus_add_match(m->bus, |
633 | "type='signal'," | |
634 | "sender='org.freedesktop.DBus'," | |
635 | "interface='org.freedesktop.DBus'," | |
636 | "member='NameOwnerChanged'," | |
637 | "path='/org/freedesktop/DBus'", | |
638 | match_name_owner_changed, m); | |
639 | if (r < 0) { | |
640 | log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r)); | |
641 | return r; | |
e8b212fe DH |
642 | } |
643 | ||
cc377381 LP |
644 | r = sd_bus_add_match(m->bus, |
645 | "type='signal'," | |
646 | "sender='org.freedesktop.systemd1'," | |
647 | "interface='org.freedesktop.systemd1.Manager'," | |
648 | "member='JobRemoved'," | |
649 | "path='/org/freedesktop/systemd1'", | |
650 | match_job_removed, m); | |
651 | if (r < 0) { | |
652 | log_error("Failed to add match for JobRemoved: %s", strerror(-r)); | |
653 | return r; | |
943aca8e LP |
654 | } |
655 | ||
cc377381 LP |
656 | r = sd_bus_add_match(m->bus, |
657 | "type='signal'," | |
658 | "sender='org.freedesktop.systemd1'," | |
659 | "interface='org.freedesktop.systemd1.Manager'," | |
660 | "member='UnitRemoved'," | |
661 | "path='/org/freedesktop/systemd1'", | |
662 | match_unit_removed, m); | |
663 | if (r < 0) { | |
664 | log_error("Failed to add match for UnitRemoved: %s", strerror(-r)); | |
665 | return r; | |
fb6becb4 LP |
666 | } |
667 | ||
cc377381 LP |
668 | r = sd_bus_add_match(m->bus, |
669 | "type='signal'," | |
670 | "sender='org.freedesktop.systemd1'," | |
671 | "interface='org.freedesktop.DBus.Properties'," | |
672 | "member='PropertiesChanged'", | |
673 | match_properties_changed, m); | |
674 | if (r < 0) { | |
675 | log_error("Failed to add match for PropertiesChanged: %s", strerror(-r)); | |
676 | return r; | |
fb6becb4 LP |
677 | } |
678 | ||
cc377381 LP |
679 | r = sd_bus_add_match(m->bus, |
680 | "type='signal'," | |
681 | "sender='org.freedesktop.systemd1'," | |
682 | "interface='org.freedesktop.systemd1.Manager'," | |
683 | "member='Reloading'," | |
684 | "path='/org/freedesktop/systemd1'", | |
685 | match_reloading, m); | |
686 | if (r < 0) { | |
687 | log_error("Failed to add match for Reloading: %s", strerror(-r)); | |
688 | return r; | |
6797c324 LP |
689 | } |
690 | ||
cc377381 | 691 | r = sd_bus_call_method( |
fb6becb4 LP |
692 | m->bus, |
693 | "org.freedesktop.systemd1", | |
694 | "/org/freedesktop/systemd1", | |
695 | "org.freedesktop.systemd1.Manager", | |
696 | "Subscribe", | |
fb6becb4 | 697 | &error, |
cc377381 | 698 | NULL, NULL); |
fb6becb4 | 699 | if (r < 0) { |
cc377381 LP |
700 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
701 | return r; | |
20263082 LP |
702 | } |
703 | ||
5bb658a1 | 704 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
cc377381 LP |
705 | if (r < 0) { |
706 | log_error("Failed to register name: %s", strerror(-r)); | |
707 | return r; | |
bafd4449 LP |
708 | } |
709 | ||
cc377381 LP |
710 | r = sd_bus_attach_event(m->bus, m->event, 0); |
711 | if (r < 0) { | |
712 | log_error("Failed to attach bus to event loop: %s", strerror(-r)); | |
713 | return r; | |
20263082 LP |
714 | } |
715 | ||
20263082 | 716 | return 0; |
20263082 LP |
717 | } |
718 | ||
719 | static int manager_connect_console(Manager *m) { | |
cc377381 | 720 | int r; |
20263082 LP |
721 | |
722 | assert(m); | |
723 | assert(m->console_active_fd < 0); | |
724 | ||
74afee9c LP |
725 | /* On certain architectures (S390 and Xen, and containers), |
726 | /dev/tty0 does not exist, so don't fail if we can't open | |
727 | it. */ | |
cc377381 | 728 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 729 | return 0; |
74afee9c | 730 | |
20263082 LP |
731 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
732 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
733 | |
734 | /* On some systems the device node /dev/tty0 may exist | |
735 | * even though /sys/class/tty/tty0 does not. */ | |
736 | if (errno == ENOENT) | |
737 | return 0; | |
738 | ||
20263082 LP |
739 | log_error("Failed to open /sys/class/tty/tty0/active: %m"); |
740 | return -errno; | |
741 | } | |
742 | ||
cc377381 LP |
743 | r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source); |
744 | if (r < 0) { | |
745 | log_error("Failed to watch foreground console"); | |
746 | return r; | |
747 | } | |
20263082 LP |
748 | |
749 | return 0; | |
750 | } | |
751 | ||
752 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 753 | int r; |
20263082 LP |
754 | |
755 | assert(m); | |
30ed21ce | 756 | assert(!m->udev_seat_monitor); |
718d006a | 757 | assert(!m->udev_device_monitor); |
30ed21ce | 758 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 759 | assert(!m->udev_button_monitor); |
20263082 | 760 | |
30ed21ce LP |
761 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
762 | if (!m->udev_seat_monitor) | |
20263082 LP |
763 | return -ENOMEM; |
764 | ||
2d96536d | 765 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
766 | if (r < 0) |
767 | return r; | |
20263082 | 768 | |
30ed21ce | 769 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
770 | if (r < 0) |
771 | return r; | |
20263082 | 772 | |
cc377381 LP |
773 | 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); |
774 | if (r < 0) | |
775 | return r; | |
069cfc85 | 776 | |
718d006a DH |
777 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
778 | if (!m->udev_device_monitor) | |
779 | return -ENOMEM; | |
780 | ||
781 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
782 | if (r < 0) | |
783 | return r; | |
784 | ||
785 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
786 | if (r < 0) | |
787 | return r; | |
788 | ||
789 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
790 | if (r < 0) | |
791 | return r; | |
792 | ||
793 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
794 | if (r < 0) | |
795 | return r; | |
796 | ||
cc377381 LP |
797 | 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); |
798 | if (r < 0) | |
799 | return r; | |
718d006a | 800 | |
6de0e0e5 | 801 | /* Don't watch keys if nobody cares */ |
beaafb2e | 802 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
803 | m->handle_suspend_key != HANDLE_IGNORE || |
804 | m->handle_hibernate_key != HANDLE_IGNORE || | |
beaafb2e | 805 | m->handle_lid_switch != HANDLE_IGNORE) { |
069cfc85 | 806 | |
6de0e0e5 LP |
807 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
808 | if (!m->udev_button_monitor) | |
809 | return -ENOMEM; | |
069cfc85 | 810 | |
6de0e0e5 LP |
811 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
812 | if (r < 0) | |
813 | return r; | |
069cfc85 | 814 | |
6de0e0e5 LP |
815 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
816 | if (r < 0) | |
817 | return r; | |
069cfc85 | 818 | |
6de0e0e5 LP |
819 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
820 | if (r < 0) | |
821 | return r; | |
069cfc85 | 822 | |
cc377381 LP |
823 | 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); |
824 | if (r < 0) | |
825 | return r; | |
6de0e0e5 | 826 | } |
069cfc85 | 827 | |
976c088a | 828 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 829 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 830 | |
6de0e0e5 LP |
831 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
832 | if (!m->udev_vcsa_monitor) | |
833 | return -ENOMEM; | |
30ed21ce | 834 | |
6de0e0e5 LP |
835 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
836 | if (r < 0) | |
837 | return r; | |
30ed21ce | 838 | |
6de0e0e5 LP |
839 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
840 | if (r < 0) | |
841 | return r; | |
30ed21ce | 842 | |
cc377381 LP |
843 | 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); |
844 | if (r < 0) | |
845 | return r; | |
6de0e0e5 | 846 | } |
20263082 LP |
847 | |
848 | return 0; | |
849 | } | |
850 | ||
4a4b033f | 851 | void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
852 | Seat *seat; |
853 | Session *session; | |
854 | User *user; | |
855 | ||
856 | assert(m); | |
857 | ||
858 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 859 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
860 | seat->in_gc_queue = false; |
861 | ||
cc377381 | 862 | if (!seat_check_gc(seat, drop_not_started)) { |
14c3baca LP |
863 | seat_stop(seat); |
864 | seat_free(seat); | |
865 | } | |
866 | } | |
867 | ||
868 | while ((session = m->session_gc_queue)) { | |
71fda00f | 869 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
870 | session->in_gc_queue = false; |
871 | ||
cc377381 | 872 | if (!session_check_gc(session, drop_not_started)) { |
14c3baca | 873 | session_stop(session); |
405e0255 | 874 | session_finalize(session); |
14c3baca LP |
875 | session_free(session); |
876 | } | |
877 | } | |
878 | ||
879 | while ((user = m->user_gc_queue)) { | |
71fda00f | 880 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
881 | user->in_gc_queue = false; |
882 | ||
cc377381 | 883 | if (!user_check_gc(user, drop_not_started)) { |
14c3baca | 884 | user_stop(user); |
405e0255 | 885 | user_finalize(user); |
14c3baca LP |
886 | user_free(user); |
887 | } | |
888 | } | |
889 | } | |
890 | ||
cc377381 LP |
891 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
892 | Manager *m = userdata; | |
23406ce5 | 893 | struct dual_timestamp since; |
cc377381 | 894 | usec_t n, elapse; |
23406ce5 | 895 | int r; |
23406ce5 LP |
896 | |
897 | assert(m); | |
898 | ||
899 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
900 | m->idle_action_usec <= 0) |
901 | return 0; | |
23406ce5 | 902 | |
23406ce5 LP |
903 | n = now(CLOCK_MONOTONIC); |
904 | ||
905 | r = manager_get_idle_hint(m, &since); | |
906 | if (r <= 0) | |
39ccc87c | 907 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 908 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
909 | else { |
910 | /* Idle! Let's see if it's time to do something, or if | |
911 | * we shall sleep for longer. */ | |
912 | ||
913 | if (n >= since.monotonic + m->idle_action_usec && | |
914 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
915 | log_info("System idle. Taking action."); | |
916 | ||
917 | manager_handle_action(m, 0, m->idle_action, false, false); | |
918 | m->idle_action_not_before_usec = n; | |
919 | } | |
920 | ||
cc377381 | 921 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
922 | } |
923 | ||
cc377381 | 924 | if (!m->idle_action_event_source) { |
23406ce5 | 925 | |
cc377381 LP |
926 | r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source); |
927 | if (r < 0) { | |
928 | log_error("Failed to add idle event source: %s", strerror(-r)); | |
929 | return r; | |
23406ce5 LP |
930 | } |
931 | ||
718db961 | 932 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
cc377381 LP |
933 | if (r < 0) { |
934 | log_error("Failed to set idle event source priority: %s", strerror(-r)); | |
935 | return r; | |
936 | } | |
937 | } else { | |
938 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
939 | if (r < 0) { | |
940 | log_error("Failed to set idle event timer: %s", strerror(-r)); | |
941 | return r; | |
23406ce5 | 942 | } |
23406ce5 | 943 | |
cc377381 LP |
944 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
945 | if (r < 0) { | |
946 | log_error("Failed to enable idle event timer: %s", strerror(-r)); | |
947 | return r; | |
948 | } | |
23406ce5 LP |
949 | } |
950 | ||
951 | return 0; | |
23406ce5 | 952 | } |
cc377381 | 953 | |
20263082 LP |
954 | int manager_startup(Manager *m) { |
955 | int r; | |
14c3baca LP |
956 | Seat *seat; |
957 | Session *session; | |
958 | User *user; | |
f8e2fb7b | 959 | Inhibitor *inhibitor; |
14c3baca | 960 | Iterator i; |
20263082 LP |
961 | |
962 | assert(m); | |
20263082 | 963 | |
976c088a LP |
964 | /* Connect to console */ |
965 | r = manager_connect_console(m); | |
20263082 LP |
966 | if (r < 0) |
967 | return r; | |
968 | ||
976c088a LP |
969 | /* Connect to udev */ |
970 | r = manager_connect_udev(m); | |
cc377381 LP |
971 | if (r < 0) { |
972 | log_error("Failed to create udev watchers: %s", strerror(-r)); | |
20263082 | 973 | return r; |
cc377381 | 974 | } |
20263082 LP |
975 | |
976 | /* Connect to the bus */ | |
977 | r = manager_connect_bus(m); | |
978 | if (r < 0) | |
979 | return r; | |
980 | ||
14c3baca | 981 | /* Instantiate magic seat 0 */ |
92432fcc | 982 | r = manager_add_seat(m, "seat0", &m->seat0); |
cc377381 LP |
983 | if (r < 0) { |
984 | log_error("Failed to add seat0: %s", strerror(-r)); | |
14c3baca | 985 | return r; |
cc377381 | 986 | } |
14c3baca | 987 | |
20263082 | 988 | /* Deserialize state */ |
042f5988 ZJS |
989 | r = manager_enumerate_devices(m); |
990 | if (r < 0) | |
991 | log_warning("Device enumeration failed: %s", strerror(-r)); | |
992 | ||
993 | r = manager_enumerate_seats(m); | |
994 | if (r < 0) | |
995 | log_warning("Seat enumeration failed: %s", strerror(-r)); | |
996 | ||
997 | r = manager_enumerate_users(m); | |
998 | if (r < 0) | |
999 | log_warning("User enumeration failed: %s", strerror(-r)); | |
1000 | ||
1001 | r = manager_enumerate_sessions(m); | |
1002 | if (r < 0) | |
1003 | log_warning("Session enumeration failed: %s", strerror(-r)); | |
1004 | ||
1005 | r = manager_enumerate_inhibitors(m); | |
1006 | if (r < 0) | |
1007 | log_warning("Inhibitor enumeration failed: %s", strerror(-r)); | |
1008 | ||
1009 | r = manager_enumerate_buttons(m); | |
1010 | if (r < 0) | |
1011 | log_warning("Button enumeration failed: %s", strerror(-r)); | |
20263082 | 1012 | |
4a4b033f LP |
1013 | /* Remove stale objects before we start them */ |
1014 | manager_gc(m, false); | |
1015 | ||
98a77df5 LP |
1016 | /* Reserve the special reserved VT */ |
1017 | manager_reserve_vt(m); | |
1018 | ||
14c3baca LP |
1019 | /* And start everything */ |
1020 | HASHMAP_FOREACH(seat, m->seats, i) | |
1021 | seat_start(seat); | |
1022 | ||
1023 | HASHMAP_FOREACH(user, m->users, i) | |
1024 | user_start(user); | |
1025 | ||
1026 | HASHMAP_FOREACH(session, m->sessions, i) | |
1027 | session_start(session); | |
20263082 | 1028 | |
f8e2fb7b LP |
1029 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1030 | inhibitor_start(inhibitor); | |
1031 | ||
cc377381 | 1032 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1033 | |
20263082 LP |
1034 | return 0; |
1035 | } | |
1036 | ||
65b51162 LP |
1037 | static int manager_recheck_buttons(Manager *m) { |
1038 | Iterator i; | |
1039 | Button *b; | |
1040 | int r = 0; | |
1041 | ||
1042 | assert(m); | |
1043 | ||
1044 | HASHMAP_FOREACH(b, m->buttons, i) { | |
1045 | int q; | |
1046 | ||
1047 | q = button_recheck(b); | |
1048 | if (q > 0) | |
1049 | return 1; | |
1050 | if (q < 0) | |
1051 | r = q; | |
1052 | } | |
1053 | ||
1054 | return r; | |
1055 | } | |
1056 | ||
20263082 | 1057 | int manager_run(Manager *m) { |
cc377381 LP |
1058 | int r; |
1059 | ||
20263082 LP |
1060 | assert(m); |
1061 | ||
1062 | for (;;) { | |
cc377381 LP |
1063 | usec_t us = (uint64_t) -1; |
1064 | ||
1065 | r = sd_event_get_state(m->event); | |
1066 | if (r < 0) | |
1067 | return r; | |
1068 | if (r == SD_EVENT_FINISHED) | |
1069 | return 0; | |
20263082 | 1070 | |
4a4b033f | 1071 | manager_gc(m, true); |
14c3baca | 1072 | |
d889a206 | 1073 | if (manager_dispatch_delayed(m) > 0) |
eecd1362 LP |
1074 | continue; |
1075 | ||
65b51162 LP |
1076 | if (manager_recheck_buttons(m) > 0) |
1077 | continue; | |
1078 | ||
84286536 | 1079 | if (m->action_what != 0 && !m->action_job) { |
eecd1362 LP |
1080 | usec_t x, y; |
1081 | ||
1082 | x = now(CLOCK_MONOTONIC); | |
314b4b0a | 1083 | y = m->action_timestamp + m->inhibit_delay_max; |
eecd1362 | 1084 | |
cc377381 | 1085 | us = x >= y ? 0 : y - x; |
eecd1362 LP |
1086 | } |
1087 | ||
cc377381 LP |
1088 | r = sd_event_run(m->event, us); |
1089 | if (r < 0) | |
1090 | return r; | |
20263082 LP |
1091 | } |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
193197e8 | 1096 | static int manager_parse_config_file(Manager *m) { |
db5c0122 LP |
1097 | static const char fn[] = "/etc/systemd/logind.conf"; |
1098 | _cleanup_fclose_ FILE *f = NULL; | |
193197e8 LP |
1099 | int r; |
1100 | ||
1101 | assert(m); | |
1102 | ||
193197e8 LP |
1103 | f = fopen(fn, "re"); |
1104 | if (!f) { | |
1105 | if (errno == ENOENT) | |
1106 | return 0; | |
1107 | ||
1108 | log_warning("Failed to open configuration file %s: %m", fn); | |
1109 | return -errno; | |
1110 | } | |
1111 | ||
db5c0122 LP |
1112 | r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup, |
1113 | (void*) logind_gperf_lookup, false, false, m); | |
193197e8 LP |
1114 | if (r < 0) |
1115 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
1116 | ||
193197e8 LP |
1117 | return r; |
1118 | } | |
1119 | ||
20263082 LP |
1120 | int main(int argc, char *argv[]) { |
1121 | Manager *m = NULL; | |
5eda94dd | 1122 | int r; |
20263082 LP |
1123 | |
1124 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1125 | log_set_facility(LOG_AUTH); |
20263082 LP |
1126 | log_parse_environment(); |
1127 | log_open(); | |
1128 | ||
4c12626c LP |
1129 | umask(0022); |
1130 | ||
20263082 LP |
1131 | if (argc != 1) { |
1132 | log_error("This program takes no arguments."); | |
1133 | r = -EINVAL; | |
1134 | goto finish; | |
1135 | } | |
1136 | ||
bb27ff66 LP |
1137 | /* Always create the directories people can create inotify |
1138 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1139 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1140 | * logind is available, so please always make sure this check |
1141 | * stays in. */ | |
1142 | mkdir_label("/run/systemd/seats", 0755); | |
1143 | mkdir_label("/run/systemd/users", 0755); | |
1144 | mkdir_label("/run/systemd/sessions", 0755); | |
1145 | ||
20263082 LP |
1146 | m = manager_new(); |
1147 | if (!m) { | |
0d0f0c50 | 1148 | r = log_oom(); |
20263082 LP |
1149 | goto finish; |
1150 | } | |
1151 | ||
193197e8 LP |
1152 | manager_parse_config_file(m); |
1153 | ||
20263082 LP |
1154 | r = manager_startup(m); |
1155 | if (r < 0) { | |
1156 | log_error("Failed to fully start up daemon: %s", strerror(-r)); | |
1157 | goto finish; | |
1158 | } | |
1159 | ||
e6960940 LP |
1160 | log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); |
1161 | ||
1162 | sd_notify(false, | |
1163 | "READY=1\n" | |
1164 | "STATUS=Processing requests..."); | |
1165 | ||
20263082 LP |
1166 | r = manager_run(m); |
1167 | ||
e6960940 LP |
1168 | log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); |
1169 | ||
20263082 | 1170 | finish: |
e6960940 LP |
1171 | sd_notify(false, |
1172 | "STATUS=Shutting down..."); | |
1173 | ||
20263082 LP |
1174 | if (m) |
1175 | manager_free(m); | |
1176 | ||
1177 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1178 | } |