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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 | |
e1202047 LP |
201 | r = udev_enumerate_add_match_is_initialized(e); |
202 | if (r < 0) | |
203 | return r; | |
204 | ||
14c3baca LP |
205 | r = udev_enumerate_scan_devices(e); |
206 | if (r < 0) | |
bf5332d2 | 207 | return r; |
20263082 LP |
208 | |
209 | first = udev_enumerate_get_list_entry(e); | |
210 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 211 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
212 | int k; |
213 | ||
214 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
215 | if (!d) |
216 | return -ENOMEM; | |
20263082 | 217 | |
bf5332d2 | 218 | k = manager_process_seat_device(m, d); |
20263082 LP |
219 | if (k < 0) |
220 | r = k; | |
221 | } | |
222 | ||
20263082 LP |
223 | return r; |
224 | } | |
225 | ||
9588bc32 | 226 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 227 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 228 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
229 | int r; |
230 | ||
231 | assert(m); | |
232 | ||
233 | /* Loads buttons from udev */ | |
234 | ||
beaafb2e | 235 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
236 | m->handle_suspend_key == HANDLE_IGNORE && |
237 | m->handle_hibernate_key == HANDLE_IGNORE && | |
beaafb2e | 238 | m->handle_lid_switch == HANDLE_IGNORE) |
6de0e0e5 LP |
239 | return 0; |
240 | ||
069cfc85 | 241 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
242 | if (!e) |
243 | return -ENOMEM; | |
069cfc85 LP |
244 | |
245 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
246 | if (r < 0) | |
bf5332d2 | 247 | return r; |
069cfc85 LP |
248 | |
249 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
250 | if (r < 0) | |
bf5332d2 | 251 | return r; |
069cfc85 | 252 | |
e1202047 LP |
253 | r = udev_enumerate_add_match_is_initialized(e); |
254 | if (r < 0) | |
255 | return r; | |
256 | ||
069cfc85 LP |
257 | r = udev_enumerate_scan_devices(e); |
258 | if (r < 0) | |
bf5332d2 | 259 | return r; |
069cfc85 LP |
260 | |
261 | first = udev_enumerate_get_list_entry(e); | |
262 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 263 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
069cfc85 LP |
264 | int k; |
265 | ||
266 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
267 | if (!d) |
268 | return -ENOMEM; | |
069cfc85 | 269 | |
bf5332d2 | 270 | k = manager_process_button_device(m, d); |
069cfc85 LP |
271 | if (k < 0) |
272 | r = k; | |
273 | } | |
274 | ||
069cfc85 LP |
275 | return r; |
276 | } | |
277 | ||
9588bc32 | 278 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 279 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
280 | struct dirent *de; |
281 | int r = 0; | |
282 | ||
283 | assert(m); | |
284 | ||
285 | /* This loads data about seats stored on disk, but does not | |
286 | * actually create any seats. Removes data of seats that no | |
287 | * longer exist. */ | |
288 | ||
289 | d = opendir("/run/systemd/seats"); | |
290 | if (!d) { | |
291 | if (errno == ENOENT) | |
292 | return 0; | |
293 | ||
294 | log_error("Failed to open /run/systemd/seats: %m"); | |
295 | return -errno; | |
296 | } | |
297 | ||
9444b1f2 | 298 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
299 | Seat *s; |
300 | int k; | |
301 | ||
302 | if (!dirent_is_file(de)) | |
303 | continue; | |
304 | ||
305 | s = hashmap_get(m->seats, de->d_name); | |
306 | if (!s) { | |
307 | unlinkat(dirfd(d), de->d_name, 0); | |
308 | continue; | |
309 | } | |
310 | ||
311 | k = seat_load(s); | |
312 | if (k < 0) | |
313 | r = k; | |
314 | } | |
315 | ||
14c3baca LP |
316 | return r; |
317 | } | |
20263082 | 318 | |
14c3baca | 319 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 320 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
321 | struct dirent *de; |
322 | int r = 0; | |
323 | ||
9444b1f2 LP |
324 | assert(m); |
325 | ||
14c3baca LP |
326 | d = opendir("/var/lib/systemd/linger"); |
327 | if (!d) { | |
328 | if (errno == ENOENT) | |
329 | return 0; | |
330 | ||
331 | log_error("Failed to open /var/lib/systemd/linger/: %m"); | |
332 | return -errno; | |
333 | } | |
334 | ||
9444b1f2 | 335 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
336 | int k; |
337 | ||
338 | if (!dirent_is_file(de)) | |
20263082 LP |
339 | continue; |
340 | ||
14c3baca LP |
341 | k = manager_add_user_by_name(m, de->d_name, NULL); |
342 | if (k < 0) { | |
343 | log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); | |
344 | r = k; | |
20263082 LP |
345 | } |
346 | } | |
347 | ||
20263082 LP |
348 | return r; |
349 | } | |
350 | ||
9588bc32 | 351 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 352 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 353 | struct dirent *de; |
14c3baca | 354 | int r, k; |
20263082 LP |
355 | |
356 | assert(m); | |
357 | ||
9444b1f2 | 358 | /* Add lingering users */ |
b3629c7d | 359 | r = manager_enumerate_linger_users(m); |
14c3baca | 360 | |
9444b1f2 | 361 | /* Read in user data stored on disk */ |
20263082 LP |
362 | d = opendir("/run/systemd/users"); |
363 | if (!d) { | |
364 | if (errno == ENOENT) | |
365 | return 0; | |
366 | ||
367 | log_error("Failed to open /run/systemd/users: %m"); | |
368 | return -errno; | |
369 | } | |
370 | ||
9444b1f2 | 371 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 372 | User *u; |
20263082 LP |
373 | |
374 | if (!dirent_is_file(de)) | |
375 | continue; | |
376 | ||
9444b1f2 | 377 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 378 | if (k < 0) { |
9444b1f2 | 379 | log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 380 | |
9444b1f2 | 381 | r = k; |
20263082 LP |
382 | continue; |
383 | } | |
384 | ||
9444b1f2 LP |
385 | user_add_to_gc_queue(u); |
386 | ||
20263082 LP |
387 | k = user_load(u); |
388 | if (k < 0) | |
389 | r = k; | |
390 | } | |
391 | ||
20263082 LP |
392 | return r; |
393 | } | |
394 | ||
9588bc32 | 395 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
396 | _cleanup_closedir_ DIR *d = NULL; |
397 | struct dirent *de; | |
20263082 LP |
398 | int r = 0; |
399 | ||
9444b1f2 LP |
400 | assert(m); |
401 | ||
402 | /* Read in session data stored on disk */ | |
403 | d = opendir("/run/systemd/sessions"); | |
404 | if (!d) { | |
405 | if (errno == ENOENT) | |
406 | return 0; | |
407 | ||
408 | log_error("Failed to open /run/systemd/sessions: %m"); | |
409 | return -errno; | |
410 | } | |
411 | ||
412 | FOREACH_DIRENT(de, d, return -errno) { | |
413 | struct Session *s; | |
20263082 LP |
414 | int k; |
415 | ||
9444b1f2 | 416 | if (!dirent_is_file(de)) |
14c3baca LP |
417 | continue; |
418 | ||
4b549144 ZJS |
419 | if (!session_id_valid(de->d_name)) { |
420 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
421 | r = -EINVAL; | |
422 | continue; | |
423 | } | |
424 | ||
9444b1f2 | 425 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 426 | if (k < 0) { |
9444b1f2 | 427 | log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k)); |
20263082 | 428 | |
20263082 LP |
429 | r = k; |
430 | continue; | |
431 | } | |
432 | ||
9444b1f2 | 433 | session_add_to_gc_queue(s); |
20263082 | 434 | |
9444b1f2 | 435 | k = session_load(s); |
20263082 LP |
436 | if (k < 0) |
437 | r = k; | |
438 | } | |
439 | ||
440 | return r; | |
441 | } | |
442 | ||
9588bc32 | 443 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 444 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
445 | struct dirent *de; |
446 | int r = 0; | |
447 | ||
448 | assert(m); | |
449 | ||
9444b1f2 | 450 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
451 | if (!d) { |
452 | if (errno == ENOENT) | |
453 | return 0; | |
454 | ||
9444b1f2 | 455 | log_error("Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
456 | return -errno; |
457 | } | |
458 | ||
9444b1f2 | 459 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 460 | int k; |
9444b1f2 | 461 | Inhibitor *i; |
20263082 LP |
462 | |
463 | if (!dirent_is_file(de)) | |
464 | continue; | |
465 | ||
9444b1f2 LP |
466 | k = manager_add_inhibitor(m, de->d_name, &i); |
467 | if (k < 0) { | |
468 | log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); | |
469 | r = k; | |
20263082 LP |
470 | continue; |
471 | } | |
472 | ||
9444b1f2 | 473 | k = inhibitor_load(i); |
20263082 LP |
474 | if (k < 0) |
475 | r = k; | |
476 | } | |
477 | ||
20263082 LP |
478 | return r; |
479 | } | |
480 | ||
cc377381 | 481 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 482 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 483 | Manager *m = userdata; |
20263082 LP |
484 | |
485 | assert(m); | |
486 | ||
30ed21ce | 487 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
488 | if (!d) |
489 | return -ENOMEM; | |
490 | ||
7b77ed8c LP |
491 | manager_process_seat_device(m, d); |
492 | return 0; | |
30ed21ce LP |
493 | } |
494 | ||
cc377381 | 495 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 496 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 497 | Manager *m = userdata; |
718d006a DH |
498 | |
499 | assert(m); | |
500 | ||
501 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
502 | if (!d) | |
503 | return -ENOMEM; | |
504 | ||
7b77ed8c LP |
505 | manager_process_seat_device(m, d); |
506 | return 0; | |
718d006a DH |
507 | } |
508 | ||
cc377381 | 509 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 510 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 511 | Manager *m = userdata; |
30ed21ce LP |
512 | const char *name; |
513 | ||
514 | assert(m); | |
515 | ||
516 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
517 | if (!d) | |
518 | return -ENOMEM; | |
519 | ||
520 | name = udev_device_get_sysname(d); | |
521 | ||
522 | /* Whenever a VCSA device is removed try to reallocate our | |
523 | * VTs, to make sure our auto VTs never go away. */ | |
524 | ||
525 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
7b77ed8c | 526 | seat_preallocate_vts(m->seat0); |
30ed21ce | 527 | |
7b77ed8c | 528 | return 0; |
20263082 LP |
529 | } |
530 | ||
cc377381 | 531 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 532 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 533 | Manager *m = userdata; |
069cfc85 LP |
534 | |
535 | assert(m); | |
536 | ||
537 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
538 | if (!d) | |
539 | return -ENOMEM; | |
540 | ||
7b77ed8c LP |
541 | manager_process_button_device(m, d); |
542 | return 0; | |
069cfc85 LP |
543 | } |
544 | ||
cc377381 LP |
545 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
546 | Manager *m = userdata; | |
547 | ||
20263082 | 548 | assert(m); |
92432fcc | 549 | assert(m->seat0); |
cc377381 | 550 | assert(m->console_active_fd == fd); |
20263082 | 551 | |
92432fcc | 552 | seat_read_active_vt(m->seat0); |
20263082 LP |
553 | return 0; |
554 | } | |
555 | ||
98a77df5 LP |
556 | static int manager_reserve_vt(Manager *m) { |
557 | _cleanup_free_ char *p = NULL; | |
558 | ||
559 | assert(m); | |
560 | ||
561 | if (m->reserve_vt <= 0) | |
562 | return 0; | |
563 | ||
564 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
565 | return log_oom(); | |
566 | ||
567 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
568 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
569 | |
570 | /* Don't complain on VT-less systems */ | |
571 | if (errno != ENOENT) | |
572 | log_warning("Failed to pin reserved VT: %m"); | |
98a77df5 LP |
573 | return -errno; |
574 | } | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
cc377381 LP |
579 | static int manager_connect_bus(Manager *m) { |
580 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
581 | int r; | |
31b79c2b | 582 | |
cc377381 LP |
583 | assert(m); |
584 | assert(!m->bus); | |
31b79c2b | 585 | |
76b54375 | 586 | r = sd_bus_default_system(&m->bus); |
cc377381 LP |
587 | if (r < 0) { |
588 | log_error("Failed to connect to system bus: %s", strerror(-r)); | |
589 | return r; | |
f8e2fb7b | 590 | } |
31b79c2b | 591 | |
cc377381 LP |
592 | r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
593 | if (r < 0) { | |
594 | log_error("Failed to add manager object vtable: %s", strerror(-r)); | |
595 | return r; | |
f8e2fb7b LP |
596 | } |
597 | ||
cc377381 LP |
598 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
599 | if (r < 0) { | |
600 | log_error("Failed to add seat object vtable: %s", strerror(-r)); | |
601 | return r; | |
069cfc85 LP |
602 | } |
603 | ||
cc377381 LP |
604 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
605 | if (r < 0) { | |
606 | log_error("Failed to add seat enumerator: %s", strerror(-r)); | |
607 | return r; | |
608 | } | |
20263082 | 609 | |
cc377381 LP |
610 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
611 | if (r < 0) { | |
612 | log_error("Failed to add session object vtable: %s", strerror(-r)); | |
613 | return r; | |
614 | } | |
20263082 | 615 | |
cc377381 LP |
616 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m); |
617 | if (r < 0) { | |
618 | log_error("Failed to add session enumerator: %s", strerror(-r)); | |
619 | return r; | |
620 | } | |
20263082 | 621 | |
cc377381 LP |
622 | r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
623 | if (r < 0) { | |
624 | log_error("Failed to add user object vtable: %s", strerror(-r)); | |
625 | return r; | |
20263082 LP |
626 | } |
627 | ||
cc377381 LP |
628 | r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m); |
629 | if (r < 0) { | |
630 | log_error("Failed to add user enumerator: %s", strerror(-r)); | |
631 | return r; | |
20263082 LP |
632 | } |
633 | ||
cc377381 LP |
634 | r = sd_bus_add_match(m->bus, |
635 | "type='signal'," | |
636 | "sender='org.freedesktop.DBus'," | |
637 | "interface='org.freedesktop.DBus'," | |
638 | "member='NameOwnerChanged'," | |
639 | "path='/org/freedesktop/DBus'", | |
640 | match_name_owner_changed, m); | |
641 | if (r < 0) { | |
642 | log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r)); | |
643 | return r; | |
e8b212fe DH |
644 | } |
645 | ||
cc377381 LP |
646 | r = sd_bus_add_match(m->bus, |
647 | "type='signal'," | |
648 | "sender='org.freedesktop.systemd1'," | |
649 | "interface='org.freedesktop.systemd1.Manager'," | |
650 | "member='JobRemoved'," | |
651 | "path='/org/freedesktop/systemd1'", | |
652 | match_job_removed, m); | |
653 | if (r < 0) { | |
654 | log_error("Failed to add match for JobRemoved: %s", strerror(-r)); | |
655 | return r; | |
943aca8e LP |
656 | } |
657 | ||
cc377381 LP |
658 | r = sd_bus_add_match(m->bus, |
659 | "type='signal'," | |
660 | "sender='org.freedesktop.systemd1'," | |
661 | "interface='org.freedesktop.systemd1.Manager'," | |
662 | "member='UnitRemoved'," | |
663 | "path='/org/freedesktop/systemd1'", | |
664 | match_unit_removed, m); | |
665 | if (r < 0) { | |
666 | log_error("Failed to add match for UnitRemoved: %s", strerror(-r)); | |
667 | return r; | |
fb6becb4 LP |
668 | } |
669 | ||
cc377381 LP |
670 | r = sd_bus_add_match(m->bus, |
671 | "type='signal'," | |
672 | "sender='org.freedesktop.systemd1'," | |
673 | "interface='org.freedesktop.DBus.Properties'," | |
674 | "member='PropertiesChanged'", | |
675 | match_properties_changed, m); | |
676 | if (r < 0) { | |
677 | log_error("Failed to add match for PropertiesChanged: %s", strerror(-r)); | |
678 | return r; | |
fb6becb4 LP |
679 | } |
680 | ||
cc377381 LP |
681 | r = sd_bus_add_match(m->bus, |
682 | "type='signal'," | |
683 | "sender='org.freedesktop.systemd1'," | |
684 | "interface='org.freedesktop.systemd1.Manager'," | |
685 | "member='Reloading'," | |
686 | "path='/org/freedesktop/systemd1'", | |
687 | match_reloading, m); | |
688 | if (r < 0) { | |
689 | log_error("Failed to add match for Reloading: %s", strerror(-r)); | |
690 | return r; | |
6797c324 LP |
691 | } |
692 | ||
cc377381 | 693 | r = sd_bus_call_method( |
fb6becb4 LP |
694 | m->bus, |
695 | "org.freedesktop.systemd1", | |
696 | "/org/freedesktop/systemd1", | |
697 | "org.freedesktop.systemd1.Manager", | |
698 | "Subscribe", | |
fb6becb4 | 699 | &error, |
cc377381 | 700 | NULL, NULL); |
fb6becb4 | 701 | if (r < 0) { |
cc377381 LP |
702 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
703 | return r; | |
20263082 LP |
704 | } |
705 | ||
5bb658a1 | 706 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
cc377381 LP |
707 | if (r < 0) { |
708 | log_error("Failed to register name: %s", strerror(-r)); | |
709 | return r; | |
bafd4449 LP |
710 | } |
711 | ||
cc377381 LP |
712 | r = sd_bus_attach_event(m->bus, m->event, 0); |
713 | if (r < 0) { | |
714 | log_error("Failed to attach bus to event loop: %s", strerror(-r)); | |
715 | return r; | |
20263082 LP |
716 | } |
717 | ||
20263082 | 718 | return 0; |
20263082 LP |
719 | } |
720 | ||
721 | static int manager_connect_console(Manager *m) { | |
cc377381 | 722 | int r; |
20263082 LP |
723 | |
724 | assert(m); | |
725 | assert(m->console_active_fd < 0); | |
726 | ||
74afee9c LP |
727 | /* On certain architectures (S390 and Xen, and containers), |
728 | /dev/tty0 does not exist, so don't fail if we can't open | |
729 | it. */ | |
cc377381 | 730 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 731 | return 0; |
74afee9c | 732 | |
20263082 LP |
733 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
734 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
735 | |
736 | /* On some systems the device node /dev/tty0 may exist | |
737 | * even though /sys/class/tty/tty0 does not. */ | |
738 | if (errno == ENOENT) | |
739 | return 0; | |
740 | ||
20263082 LP |
741 | log_error("Failed to open /sys/class/tty/tty0/active: %m"); |
742 | return -errno; | |
743 | } | |
744 | ||
cc377381 LP |
745 | r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source); |
746 | if (r < 0) { | |
747 | log_error("Failed to watch foreground console"); | |
748 | return r; | |
749 | } | |
20263082 LP |
750 | |
751 | return 0; | |
752 | } | |
753 | ||
754 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 755 | int r; |
20263082 LP |
756 | |
757 | assert(m); | |
30ed21ce | 758 | assert(!m->udev_seat_monitor); |
718d006a | 759 | assert(!m->udev_device_monitor); |
30ed21ce | 760 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 761 | assert(!m->udev_button_monitor); |
20263082 | 762 | |
30ed21ce LP |
763 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
764 | if (!m->udev_seat_monitor) | |
20263082 LP |
765 | return -ENOMEM; |
766 | ||
2d96536d | 767 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
768 | if (r < 0) |
769 | return r; | |
20263082 | 770 | |
30ed21ce | 771 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
772 | if (r < 0) |
773 | return r; | |
20263082 | 774 | |
cc377381 LP |
775 | 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); |
776 | if (r < 0) | |
777 | return r; | |
069cfc85 | 778 | |
718d006a DH |
779 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
780 | if (!m->udev_device_monitor) | |
781 | return -ENOMEM; | |
782 | ||
783 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
784 | if (r < 0) | |
785 | return r; | |
786 | ||
787 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
788 | if (r < 0) | |
789 | return r; | |
790 | ||
791 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
792 | if (r < 0) | |
793 | return r; | |
794 | ||
795 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
796 | if (r < 0) | |
797 | return r; | |
798 | ||
cc377381 LP |
799 | 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); |
800 | if (r < 0) | |
801 | return r; | |
718d006a | 802 | |
6de0e0e5 | 803 | /* Don't watch keys if nobody cares */ |
beaafb2e | 804 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
805 | m->handle_suspend_key != HANDLE_IGNORE || |
806 | m->handle_hibernate_key != HANDLE_IGNORE || | |
beaafb2e | 807 | m->handle_lid_switch != HANDLE_IGNORE) { |
069cfc85 | 808 | |
6de0e0e5 LP |
809 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
810 | if (!m->udev_button_monitor) | |
811 | return -ENOMEM; | |
069cfc85 | 812 | |
6de0e0e5 LP |
813 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
814 | if (r < 0) | |
815 | return r; | |
069cfc85 | 816 | |
6de0e0e5 LP |
817 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
818 | if (r < 0) | |
819 | return r; | |
069cfc85 | 820 | |
6de0e0e5 LP |
821 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
822 | if (r < 0) | |
823 | return r; | |
069cfc85 | 824 | |
cc377381 LP |
825 | 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); |
826 | if (r < 0) | |
827 | return r; | |
6de0e0e5 | 828 | } |
069cfc85 | 829 | |
976c088a | 830 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 831 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 832 | |
6de0e0e5 LP |
833 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
834 | if (!m->udev_vcsa_monitor) | |
835 | return -ENOMEM; | |
30ed21ce | 836 | |
6de0e0e5 LP |
837 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
838 | if (r < 0) | |
839 | return r; | |
30ed21ce | 840 | |
6de0e0e5 LP |
841 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
842 | if (r < 0) | |
843 | return r; | |
30ed21ce | 844 | |
cc377381 LP |
845 | 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); |
846 | if (r < 0) | |
847 | return r; | |
6de0e0e5 | 848 | } |
20263082 LP |
849 | |
850 | return 0; | |
851 | } | |
852 | ||
4a4b033f | 853 | void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
854 | Seat *seat; |
855 | Session *session; | |
856 | User *user; | |
857 | ||
858 | assert(m); | |
859 | ||
860 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 861 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
862 | seat->in_gc_queue = false; |
863 | ||
cc377381 | 864 | if (!seat_check_gc(seat, drop_not_started)) { |
14c3baca LP |
865 | seat_stop(seat); |
866 | seat_free(seat); | |
867 | } | |
868 | } | |
869 | ||
870 | while ((session = m->session_gc_queue)) { | |
71fda00f | 871 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
872 | session->in_gc_queue = false; |
873 | ||
cc377381 | 874 | if (!session_check_gc(session, drop_not_started)) { |
14c3baca | 875 | session_stop(session); |
405e0255 | 876 | session_finalize(session); |
14c3baca LP |
877 | session_free(session); |
878 | } | |
879 | } | |
880 | ||
881 | while ((user = m->user_gc_queue)) { | |
71fda00f | 882 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
883 | user->in_gc_queue = false; |
884 | ||
cc377381 | 885 | if (!user_check_gc(user, drop_not_started)) { |
14c3baca | 886 | user_stop(user); |
405e0255 | 887 | user_finalize(user); |
14c3baca LP |
888 | user_free(user); |
889 | } | |
890 | } | |
891 | } | |
892 | ||
cc377381 LP |
893 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
894 | Manager *m = userdata; | |
23406ce5 | 895 | struct dual_timestamp since; |
cc377381 | 896 | usec_t n, elapse; |
23406ce5 | 897 | int r; |
23406ce5 LP |
898 | |
899 | assert(m); | |
900 | ||
901 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
902 | m->idle_action_usec <= 0) |
903 | return 0; | |
23406ce5 | 904 | |
23406ce5 LP |
905 | n = now(CLOCK_MONOTONIC); |
906 | ||
907 | r = manager_get_idle_hint(m, &since); | |
908 | if (r <= 0) | |
39ccc87c | 909 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 910 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
911 | else { |
912 | /* Idle! Let's see if it's time to do something, or if | |
913 | * we shall sleep for longer. */ | |
914 | ||
915 | if (n >= since.monotonic + m->idle_action_usec && | |
916 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
917 | log_info("System idle. Taking action."); | |
918 | ||
919 | manager_handle_action(m, 0, m->idle_action, false, false); | |
920 | m->idle_action_not_before_usec = n; | |
921 | } | |
922 | ||
cc377381 | 923 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
924 | } |
925 | ||
cc377381 | 926 | if (!m->idle_action_event_source) { |
23406ce5 | 927 | |
cc377381 LP |
928 | r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source); |
929 | if (r < 0) { | |
930 | log_error("Failed to add idle event source: %s", strerror(-r)); | |
931 | return r; | |
23406ce5 LP |
932 | } |
933 | ||
718db961 | 934 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
cc377381 LP |
935 | if (r < 0) { |
936 | log_error("Failed to set idle event source priority: %s", strerror(-r)); | |
937 | return r; | |
938 | } | |
939 | } else { | |
940 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
941 | if (r < 0) { | |
942 | log_error("Failed to set idle event timer: %s", strerror(-r)); | |
943 | return r; | |
23406ce5 | 944 | } |
23406ce5 | 945 | |
cc377381 LP |
946 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
947 | if (r < 0) { | |
948 | log_error("Failed to enable idle event timer: %s", strerror(-r)); | |
949 | return r; | |
950 | } | |
23406ce5 LP |
951 | } |
952 | ||
953 | return 0; | |
23406ce5 | 954 | } |
cc377381 | 955 | |
20263082 LP |
956 | int manager_startup(Manager *m) { |
957 | int r; | |
14c3baca LP |
958 | Seat *seat; |
959 | Session *session; | |
960 | User *user; | |
f8e2fb7b | 961 | Inhibitor *inhibitor; |
14c3baca | 962 | Iterator i; |
20263082 LP |
963 | |
964 | assert(m); | |
20263082 | 965 | |
976c088a LP |
966 | /* Connect to console */ |
967 | r = manager_connect_console(m); | |
20263082 LP |
968 | if (r < 0) |
969 | return r; | |
970 | ||
976c088a LP |
971 | /* Connect to udev */ |
972 | r = manager_connect_udev(m); | |
cc377381 LP |
973 | if (r < 0) { |
974 | log_error("Failed to create udev watchers: %s", strerror(-r)); | |
20263082 | 975 | return r; |
cc377381 | 976 | } |
20263082 LP |
977 | |
978 | /* Connect to the bus */ | |
979 | r = manager_connect_bus(m); | |
980 | if (r < 0) | |
981 | return r; | |
982 | ||
14c3baca | 983 | /* Instantiate magic seat 0 */ |
92432fcc | 984 | r = manager_add_seat(m, "seat0", &m->seat0); |
cc377381 LP |
985 | if (r < 0) { |
986 | log_error("Failed to add seat0: %s", strerror(-r)); | |
14c3baca | 987 | return r; |
cc377381 | 988 | } |
14c3baca | 989 | |
20263082 | 990 | /* Deserialize state */ |
042f5988 ZJS |
991 | r = manager_enumerate_devices(m); |
992 | if (r < 0) | |
993 | log_warning("Device enumeration failed: %s", strerror(-r)); | |
994 | ||
995 | r = manager_enumerate_seats(m); | |
996 | if (r < 0) | |
997 | log_warning("Seat enumeration failed: %s", strerror(-r)); | |
998 | ||
999 | r = manager_enumerate_users(m); | |
1000 | if (r < 0) | |
1001 | log_warning("User enumeration failed: %s", strerror(-r)); | |
1002 | ||
1003 | r = manager_enumerate_sessions(m); | |
1004 | if (r < 0) | |
1005 | log_warning("Session enumeration failed: %s", strerror(-r)); | |
1006 | ||
1007 | r = manager_enumerate_inhibitors(m); | |
1008 | if (r < 0) | |
1009 | log_warning("Inhibitor enumeration failed: %s", strerror(-r)); | |
1010 | ||
1011 | r = manager_enumerate_buttons(m); | |
1012 | if (r < 0) | |
1013 | log_warning("Button enumeration failed: %s", strerror(-r)); | |
20263082 | 1014 | |
4a4b033f LP |
1015 | /* Remove stale objects before we start them */ |
1016 | manager_gc(m, false); | |
1017 | ||
98a77df5 LP |
1018 | /* Reserve the special reserved VT */ |
1019 | manager_reserve_vt(m); | |
1020 | ||
14c3baca LP |
1021 | /* And start everything */ |
1022 | HASHMAP_FOREACH(seat, m->seats, i) | |
1023 | seat_start(seat); | |
1024 | ||
1025 | HASHMAP_FOREACH(user, m->users, i) | |
1026 | user_start(user); | |
1027 | ||
1028 | HASHMAP_FOREACH(session, m->sessions, i) | |
1029 | session_start(session); | |
20263082 | 1030 | |
f8e2fb7b LP |
1031 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1032 | inhibitor_start(inhibitor); | |
1033 | ||
cc377381 | 1034 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1035 | |
20263082 LP |
1036 | return 0; |
1037 | } | |
1038 | ||
65b51162 LP |
1039 | static int manager_recheck_buttons(Manager *m) { |
1040 | Iterator i; | |
1041 | Button *b; | |
1042 | int r = 0; | |
1043 | ||
1044 | assert(m); | |
1045 | ||
1046 | HASHMAP_FOREACH(b, m->buttons, i) { | |
1047 | int q; | |
1048 | ||
1049 | q = button_recheck(b); | |
1050 | if (q > 0) | |
1051 | return 1; | |
1052 | if (q < 0) | |
1053 | r = q; | |
1054 | } | |
1055 | ||
1056 | return r; | |
1057 | } | |
1058 | ||
20263082 | 1059 | int manager_run(Manager *m) { |
cc377381 LP |
1060 | int r; |
1061 | ||
20263082 LP |
1062 | assert(m); |
1063 | ||
1064 | for (;;) { | |
cc377381 LP |
1065 | usec_t us = (uint64_t) -1; |
1066 | ||
1067 | r = sd_event_get_state(m->event); | |
1068 | if (r < 0) | |
1069 | return r; | |
1070 | if (r == SD_EVENT_FINISHED) | |
1071 | return 0; | |
20263082 | 1072 | |
4a4b033f | 1073 | manager_gc(m, true); |
14c3baca | 1074 | |
d889a206 | 1075 | if (manager_dispatch_delayed(m) > 0) |
eecd1362 LP |
1076 | continue; |
1077 | ||
65b51162 LP |
1078 | if (manager_recheck_buttons(m) > 0) |
1079 | continue; | |
1080 | ||
84286536 | 1081 | if (m->action_what != 0 && !m->action_job) { |
eecd1362 LP |
1082 | usec_t x, y; |
1083 | ||
1084 | x = now(CLOCK_MONOTONIC); | |
314b4b0a | 1085 | y = m->action_timestamp + m->inhibit_delay_max; |
eecd1362 | 1086 | |
cc377381 | 1087 | us = x >= y ? 0 : y - x; |
eecd1362 LP |
1088 | } |
1089 | ||
cc377381 LP |
1090 | r = sd_event_run(m->event, us); |
1091 | if (r < 0) | |
1092 | return r; | |
20263082 LP |
1093 | } |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
193197e8 | 1098 | static int manager_parse_config_file(Manager *m) { |
db5c0122 LP |
1099 | static const char fn[] = "/etc/systemd/logind.conf"; |
1100 | _cleanup_fclose_ FILE *f = NULL; | |
193197e8 LP |
1101 | int r; |
1102 | ||
1103 | assert(m); | |
1104 | ||
193197e8 LP |
1105 | f = fopen(fn, "re"); |
1106 | if (!f) { | |
1107 | if (errno == ENOENT) | |
1108 | return 0; | |
1109 | ||
1110 | log_warning("Failed to open configuration file %s: %m", fn); | |
1111 | return -errno; | |
1112 | } | |
1113 | ||
db5c0122 LP |
1114 | r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup, |
1115 | (void*) logind_gperf_lookup, false, false, m); | |
193197e8 LP |
1116 | if (r < 0) |
1117 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
1118 | ||
193197e8 LP |
1119 | return r; |
1120 | } | |
1121 | ||
20263082 LP |
1122 | int main(int argc, char *argv[]) { |
1123 | Manager *m = NULL; | |
5eda94dd | 1124 | int r; |
20263082 LP |
1125 | |
1126 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1127 | log_set_facility(LOG_AUTH); |
20263082 LP |
1128 | log_parse_environment(); |
1129 | log_open(); | |
1130 | ||
4c12626c LP |
1131 | umask(0022); |
1132 | ||
20263082 LP |
1133 | if (argc != 1) { |
1134 | log_error("This program takes no arguments."); | |
1135 | r = -EINVAL; | |
1136 | goto finish; | |
1137 | } | |
1138 | ||
bb27ff66 LP |
1139 | /* Always create the directories people can create inotify |
1140 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1141 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1142 | * logind is available, so please always make sure this check |
1143 | * stays in. */ | |
1144 | mkdir_label("/run/systemd/seats", 0755); | |
1145 | mkdir_label("/run/systemd/users", 0755); | |
1146 | mkdir_label("/run/systemd/sessions", 0755); | |
1147 | ||
20263082 LP |
1148 | m = manager_new(); |
1149 | if (!m) { | |
0d0f0c50 | 1150 | r = log_oom(); |
20263082 LP |
1151 | goto finish; |
1152 | } | |
1153 | ||
193197e8 LP |
1154 | manager_parse_config_file(m); |
1155 | ||
20263082 LP |
1156 | r = manager_startup(m); |
1157 | if (r < 0) { | |
1158 | log_error("Failed to fully start up daemon: %s", strerror(-r)); | |
1159 | goto finish; | |
1160 | } | |
1161 | ||
e6960940 LP |
1162 | log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); |
1163 | ||
1164 | sd_notify(false, | |
1165 | "READY=1\n" | |
1166 | "STATUS=Processing requests..."); | |
1167 | ||
20263082 LP |
1168 | r = manager_run(m); |
1169 | ||
e6960940 LP |
1170 | log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); |
1171 | ||
20263082 | 1172 | finish: |
e6960940 LP |
1173 | sd_notify(false, |
1174 | "STATUS=Shutting down..."); | |
1175 | ||
20263082 LP |
1176 | if (m) |
1177 | manager_free(m); | |
1178 | ||
1179 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1180 | } |