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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 <fcntl.h> |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
20263082 | 26 | |
07630cea | 27 | #include "libudev.h" |
cc377381 | 28 | #include "sd-daemon.h" |
07630cea | 29 | |
cc377381 | 30 | #include "bus-error.h" |
07630cea LP |
31 | #include "bus-util.h" |
32 | #include "conf-parser.h" | |
6482f626 | 33 | #include "formats-util.h" |
24882e06 | 34 | #include "signal-util.h" |
07630cea LP |
35 | #include "strv.h" |
36 | #include "udev-util.h" | |
24882e06 | 37 | #include "logind.h" |
20263082 | 38 | |
905f0a39 DM |
39 | static void manager_free(Manager *m); |
40 | ||
41 | static Manager *manager_new(void) { | |
20263082 | 42 | Manager *m; |
cc377381 | 43 | int r; |
20263082 LP |
44 | |
45 | m = new0(Manager, 1); | |
46 | if (!m) | |
47 | return NULL; | |
48 | ||
49 | m->console_active_fd = -1; | |
98a77df5 | 50 | m->reserve_vt_fd = -1; |
069cfc85 | 51 | |
20263082 | 52 | m->n_autovts = 6; |
98a77df5 | 53 | m->reserve_vt = 6; |
66cdd0f2 | 54 | m->remove_ipc = true; |
eecd1362 | 55 | m->inhibit_delay_max = 5 * USEC_PER_SEC; |
beaafb2e | 56 | m->handle_power_key = HANDLE_POWEROFF; |
8e7fd6ad LP |
57 | m->handle_suspend_key = HANDLE_SUSPEND; |
58 | m->handle_hibernate_key = HANDLE_HIBERNATE; | |
beaafb2e | 59 | m->handle_lid_switch = HANDLE_SUSPEND; |
3c56cab4 | 60 | m->handle_lid_switch_docked = HANDLE_IGNORE; |
beaafb2e | 61 | m->lid_switch_ignore_inhibited = true; |
9d10cbee | 62 | m->holdoff_timeout_usec = 30 * USEC_PER_SEC; |
20263082 | 63 | |
23406ce5 LP |
64 | m->idle_action_usec = 30 * USEC_PER_MINUTE; |
65 | m->idle_action = HANDLE_IGNORE; | |
66 | m->idle_action_not_before_usec = now(CLOCK_MONOTONIC); | |
67 | ||
1c231f56 LP |
68 | m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */ |
69 | ||
d5099efc MS |
70 | m->devices = hashmap_new(&string_hash_ops); |
71 | m->seats = hashmap_new(&string_hash_ops); | |
72 | m->sessions = hashmap_new(&string_hash_ops); | |
73 | m->users = hashmap_new(NULL); | |
74 | m->inhibitors = hashmap_new(&string_hash_ops); | |
75 | m->buttons = hashmap_new(&string_hash_ops); | |
f8e2fb7b | 76 | |
d5099efc MS |
77 | m->user_units = hashmap_new(&string_hash_ops); |
78 | m->session_units = hashmap_new(&string_hash_ops); | |
8c8c4351 | 79 | |
3cde9e8f | 80 | if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units) |
ed4ba7e4 | 81 | goto fail; |
25d93491 | 82 | |
25d93491 | 83 | m->kill_exclude_users = strv_new("root", NULL); |
ed4ba7e4 LP |
84 | if (!m->kill_exclude_users) |
85 | goto fail; | |
20263082 LP |
86 | |
87 | m->udev = udev_new(); | |
ed4ba7e4 LP |
88 | if (!m->udev) |
89 | goto fail; | |
20263082 | 90 | |
afc6adb5 | 91 | r = sd_event_default(&m->event); |
ed4ba7e4 LP |
92 | if (r < 0) |
93 | goto fail; | |
cc377381 | 94 | |
cde93897 LP |
95 | sd_event_set_watchdog(m->event, true); |
96 | ||
20263082 | 97 | return m; |
ed4ba7e4 LP |
98 | |
99 | fail: | |
100 | manager_free(m); | |
101 | return NULL; | |
20263082 LP |
102 | } |
103 | ||
905f0a39 | 104 | static void manager_free(Manager *m) { |
20263082 LP |
105 | Session *session; |
106 | User *u; | |
107 | Device *d; | |
108 | Seat *s; | |
f8e2fb7b | 109 | Inhibitor *i; |
069cfc85 | 110 | Button *b; |
20263082 LP |
111 | |
112 | assert(m); | |
113 | ||
114 | while ((session = hashmap_first(m->sessions))) | |
115 | session_free(session); | |
116 | ||
117 | while ((u = hashmap_first(m->users))) | |
118 | user_free(u); | |
119 | ||
120 | while ((d = hashmap_first(m->devices))) | |
121 | device_free(d); | |
122 | ||
123 | while ((s = hashmap_first(m->seats))) | |
124 | seat_free(s); | |
125 | ||
f8e2fb7b LP |
126 | while ((i = hashmap_first(m->inhibitors))) |
127 | inhibitor_free(i); | |
128 | ||
069cfc85 LP |
129 | while ((b = hashmap_first(m->buttons))) |
130 | button_free(b); | |
131 | ||
20263082 LP |
132 | hashmap_free(m->devices); |
133 | hashmap_free(m->seats); | |
f8e2fb7b LP |
134 | hashmap_free(m->sessions); |
135 | hashmap_free(m->users); | |
136 | hashmap_free(m->inhibitors); | |
069cfc85 | 137 | hashmap_free(m->buttons); |
f8e2fb7b | 138 | |
fb6becb4 LP |
139 | hashmap_free(m->user_units); |
140 | hashmap_free(m->session_units); | |
8c8c4351 | 141 | |
cc377381 | 142 | sd_event_source_unref(m->idle_action_event_source); |
c0f32805 | 143 | sd_event_source_unref(m->inhibit_timeout_source); |
8aaa023a | 144 | sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
867c37f6 | 145 | sd_event_source_unref(m->nologin_timeout_source); |
e2fa5721 | 146 | sd_event_source_unref(m->wall_message_timeout_source); |
cc377381 LP |
147 | |
148 | sd_event_source_unref(m->console_active_event_source); | |
149 | sd_event_source_unref(m->udev_seat_event_source); | |
150 | sd_event_source_unref(m->udev_device_event_source); | |
151 | sd_event_source_unref(m->udev_vcsa_event_source); | |
152 | sd_event_source_unref(m->udev_button_event_source); | |
f9cd6be1 | 153 | sd_event_source_unref(m->lid_switch_ignore_event_source); |
20263082 | 154 | |
03e334a1 | 155 | safe_close(m->console_active_fd); |
20263082 | 156 | |
3e044c49 ME |
157 | udev_monitor_unref(m->udev_seat_monitor); |
158 | udev_monitor_unref(m->udev_device_monitor); | |
159 | udev_monitor_unref(m->udev_vcsa_monitor); | |
160 | udev_monitor_unref(m->udev_button_monitor); | |
161 | ||
162 | udev_unref(m->udev); | |
20263082 | 163 | |
867c37f6 | 164 | if (m->unlink_nologin) |
a790812c | 165 | (void) unlink("/run/nologin"); |
867c37f6 | 166 | |
36e34057 | 167 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
20263082 | 168 | |
cc377381 LP |
169 | sd_bus_unref(m->bus); |
170 | sd_event_unref(m->event); | |
20263082 | 171 | |
03e334a1 | 172 | safe_close(m->reserve_vt_fd); |
98a77df5 | 173 | |
193197e8 LP |
174 | strv_free(m->kill_only_users); |
175 | strv_free(m->kill_exclude_users); | |
176 | ||
8aaa023a | 177 | free(m->scheduled_shutdown_type); |
e2fa5721 DM |
178 | free(m->scheduled_shutdown_tty); |
179 | free(m->wall_message); | |
af9792ac | 180 | free(m->action_job); |
20263082 LP |
181 | free(m); |
182 | } | |
183 | ||
9588bc32 | 184 | static int manager_enumerate_devices(Manager *m) { |
20263082 | 185 | struct udev_list_entry *item = NULL, *first = NULL; |
bf5332d2 | 186 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
14c3baca | 187 | int r; |
20263082 LP |
188 | |
189 | assert(m); | |
190 | ||
191 | /* Loads devices from udev and creates seats for them as | |
192 | * necessary */ | |
193 | ||
194 | e = udev_enumerate_new(m->udev); | |
bf5332d2 LP |
195 | if (!e) |
196 | return -ENOMEM; | |
20263082 | 197 | |
2d96536d | 198 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 199 | if (r < 0) |
bf5332d2 | 200 | return r; |
20263082 | 201 | |
e1202047 LP |
202 | r = udev_enumerate_add_match_is_initialized(e); |
203 | if (r < 0) | |
204 | return r; | |
205 | ||
14c3baca LP |
206 | r = udev_enumerate_scan_devices(e); |
207 | if (r < 0) | |
bf5332d2 | 208 | return r; |
20263082 LP |
209 | |
210 | first = udev_enumerate_get_list_entry(e); | |
211 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 212 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
213 | int k; |
214 | ||
215 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
216 | if (!d) |
217 | return -ENOMEM; | |
20263082 | 218 | |
bf5332d2 | 219 | k = manager_process_seat_device(m, d); |
20263082 LP |
220 | if (k < 0) |
221 | r = k; | |
222 | } | |
223 | ||
20263082 LP |
224 | return r; |
225 | } | |
226 | ||
9588bc32 | 227 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 228 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 229 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
230 | int r; |
231 | ||
232 | assert(m); | |
233 | ||
234 | /* Loads buttons from udev */ | |
235 | ||
beaafb2e | 236 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
237 | m->handle_suspend_key == HANDLE_IGNORE && |
238 | m->handle_hibernate_key == HANDLE_IGNORE && | |
3c56cab4 BW |
239 | m->handle_lid_switch == HANDLE_IGNORE && |
240 | m->handle_lid_switch_docked == HANDLE_IGNORE) | |
6de0e0e5 LP |
241 | return 0; |
242 | ||
069cfc85 | 243 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
244 | if (!e) |
245 | return -ENOMEM; | |
069cfc85 LP |
246 | |
247 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
248 | if (r < 0) | |
bf5332d2 | 249 | return r; |
069cfc85 LP |
250 | |
251 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
252 | if (r < 0) | |
bf5332d2 | 253 | return r; |
069cfc85 | 254 | |
e1202047 LP |
255 | r = udev_enumerate_add_match_is_initialized(e); |
256 | if (r < 0) | |
257 | return r; | |
258 | ||
069cfc85 LP |
259 | r = udev_enumerate_scan_devices(e); |
260 | if (r < 0) | |
bf5332d2 | 261 | return r; |
069cfc85 LP |
262 | |
263 | first = udev_enumerate_get_list_entry(e); | |
264 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 265 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
069cfc85 LP |
266 | int k; |
267 | ||
268 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
269 | if (!d) |
270 | return -ENOMEM; | |
069cfc85 | 271 | |
bf5332d2 | 272 | k = manager_process_button_device(m, d); |
069cfc85 LP |
273 | if (k < 0) |
274 | r = k; | |
275 | } | |
276 | ||
069cfc85 LP |
277 | return r; |
278 | } | |
279 | ||
9588bc32 | 280 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 281 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
282 | struct dirent *de; |
283 | int r = 0; | |
284 | ||
285 | assert(m); | |
286 | ||
287 | /* This loads data about seats stored on disk, but does not | |
288 | * actually create any seats. Removes data of seats that no | |
289 | * longer exist. */ | |
290 | ||
291 | d = opendir("/run/systemd/seats"); | |
292 | if (!d) { | |
293 | if (errno == ENOENT) | |
294 | return 0; | |
295 | ||
56f64d95 | 296 | log_error_errno(errno, "Failed to open /run/systemd/seats: %m"); |
20263082 LP |
297 | return -errno; |
298 | } | |
299 | ||
9444b1f2 | 300 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
301 | Seat *s; |
302 | int k; | |
303 | ||
304 | if (!dirent_is_file(de)) | |
305 | continue; | |
306 | ||
307 | s = hashmap_get(m->seats, de->d_name); | |
308 | if (!s) { | |
309 | unlinkat(dirfd(d), de->d_name, 0); | |
310 | continue; | |
311 | } | |
312 | ||
313 | k = seat_load(s); | |
314 | if (k < 0) | |
315 | r = k; | |
316 | } | |
317 | ||
14c3baca LP |
318 | return r; |
319 | } | |
20263082 | 320 | |
14c3baca | 321 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 322 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
323 | struct dirent *de; |
324 | int r = 0; | |
325 | ||
9444b1f2 LP |
326 | assert(m); |
327 | ||
14c3baca LP |
328 | d = opendir("/var/lib/systemd/linger"); |
329 | if (!d) { | |
330 | if (errno == ENOENT) | |
331 | return 0; | |
332 | ||
56f64d95 | 333 | log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m"); |
14c3baca LP |
334 | return -errno; |
335 | } | |
336 | ||
9444b1f2 | 337 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
338 | int k; |
339 | ||
340 | if (!dirent_is_file(de)) | |
20263082 LP |
341 | continue; |
342 | ||
14c3baca LP |
343 | k = manager_add_user_by_name(m, de->d_name, NULL); |
344 | if (k < 0) { | |
da927ba9 | 345 | log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name); |
14c3baca | 346 | r = k; |
20263082 LP |
347 | } |
348 | } | |
349 | ||
20263082 LP |
350 | return r; |
351 | } | |
352 | ||
9588bc32 | 353 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 354 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 355 | struct dirent *de; |
14c3baca | 356 | int r, k; |
20263082 LP |
357 | |
358 | assert(m); | |
359 | ||
9444b1f2 | 360 | /* Add lingering users */ |
b3629c7d | 361 | r = manager_enumerate_linger_users(m); |
14c3baca | 362 | |
9444b1f2 | 363 | /* Read in user data stored on disk */ |
20263082 LP |
364 | d = opendir("/run/systemd/users"); |
365 | if (!d) { | |
366 | if (errno == ENOENT) | |
367 | return 0; | |
368 | ||
56f64d95 | 369 | log_error_errno(errno, "Failed to open /run/systemd/users: %m"); |
20263082 LP |
370 | return -errno; |
371 | } | |
372 | ||
9444b1f2 | 373 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 374 | User *u; |
20263082 LP |
375 | |
376 | if (!dirent_is_file(de)) | |
377 | continue; | |
378 | ||
9444b1f2 | 379 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 380 | if (k < 0) { |
da927ba9 | 381 | log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name); |
20263082 | 382 | |
9444b1f2 | 383 | r = k; |
20263082 LP |
384 | continue; |
385 | } | |
386 | ||
9444b1f2 LP |
387 | user_add_to_gc_queue(u); |
388 | ||
20263082 LP |
389 | k = user_load(u); |
390 | if (k < 0) | |
391 | r = k; | |
392 | } | |
393 | ||
20263082 LP |
394 | return r; |
395 | } | |
396 | ||
9588bc32 | 397 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
398 | _cleanup_closedir_ DIR *d = NULL; |
399 | struct dirent *de; | |
20263082 LP |
400 | int r = 0; |
401 | ||
9444b1f2 LP |
402 | assert(m); |
403 | ||
404 | /* Read in session data stored on disk */ | |
405 | d = opendir("/run/systemd/sessions"); | |
406 | if (!d) { | |
407 | if (errno == ENOENT) | |
408 | return 0; | |
409 | ||
56f64d95 | 410 | log_error_errno(errno, "Failed to open /run/systemd/sessions: %m"); |
9444b1f2 LP |
411 | return -errno; |
412 | } | |
413 | ||
414 | FOREACH_DIRENT(de, d, return -errno) { | |
415 | struct Session *s; | |
20263082 LP |
416 | int k; |
417 | ||
9444b1f2 | 418 | if (!dirent_is_file(de)) |
14c3baca LP |
419 | continue; |
420 | ||
4b549144 ZJS |
421 | if (!session_id_valid(de->d_name)) { |
422 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
423 | r = -EINVAL; | |
424 | continue; | |
425 | } | |
426 | ||
9444b1f2 | 427 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 428 | if (k < 0) { |
da927ba9 | 429 | log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name); |
20263082 | 430 | |
20263082 LP |
431 | r = k; |
432 | continue; | |
433 | } | |
434 | ||
9444b1f2 | 435 | session_add_to_gc_queue(s); |
20263082 | 436 | |
9444b1f2 | 437 | k = session_load(s); |
20263082 LP |
438 | if (k < 0) |
439 | r = k; | |
440 | } | |
441 | ||
442 | return r; | |
443 | } | |
444 | ||
9588bc32 | 445 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 446 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
447 | struct dirent *de; |
448 | int r = 0; | |
449 | ||
450 | assert(m); | |
451 | ||
9444b1f2 | 452 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
453 | if (!d) { |
454 | if (errno == ENOENT) | |
455 | return 0; | |
456 | ||
56f64d95 | 457 | log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
458 | return -errno; |
459 | } | |
460 | ||
9444b1f2 | 461 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 462 | int k; |
9444b1f2 | 463 | Inhibitor *i; |
20263082 LP |
464 | |
465 | if (!dirent_is_file(de)) | |
466 | continue; | |
467 | ||
9444b1f2 LP |
468 | k = manager_add_inhibitor(m, de->d_name, &i); |
469 | if (k < 0) { | |
da927ba9 | 470 | log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name); |
9444b1f2 | 471 | r = k; |
20263082 LP |
472 | continue; |
473 | } | |
474 | ||
9444b1f2 | 475 | k = inhibitor_load(i); |
20263082 LP |
476 | if (k < 0) |
477 | r = k; | |
478 | } | |
479 | ||
20263082 LP |
480 | return r; |
481 | } | |
482 | ||
cc377381 | 483 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 484 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 485 | Manager *m = userdata; |
20263082 LP |
486 | |
487 | assert(m); | |
488 | ||
30ed21ce | 489 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
490 | if (!d) |
491 | return -ENOMEM; | |
492 | ||
7b77ed8c LP |
493 | manager_process_seat_device(m, d); |
494 | return 0; | |
30ed21ce LP |
495 | } |
496 | ||
cc377381 | 497 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 498 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 499 | Manager *m = userdata; |
718d006a DH |
500 | |
501 | assert(m); | |
502 | ||
503 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
504 | if (!d) | |
505 | return -ENOMEM; | |
506 | ||
7b77ed8c LP |
507 | manager_process_seat_device(m, d); |
508 | return 0; | |
718d006a DH |
509 | } |
510 | ||
cc377381 | 511 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 512 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 513 | Manager *m = userdata; |
30ed21ce LP |
514 | const char *name; |
515 | ||
516 | assert(m); | |
517 | ||
518 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
519 | if (!d) | |
520 | return -ENOMEM; | |
521 | ||
522 | name = udev_device_get_sysname(d); | |
523 | ||
524 | /* Whenever a VCSA device is removed try to reallocate our | |
525 | * VTs, to make sure our auto VTs never go away. */ | |
526 | ||
527 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
7b77ed8c | 528 | seat_preallocate_vts(m->seat0); |
30ed21ce | 529 | |
7b77ed8c | 530 | return 0; |
20263082 LP |
531 | } |
532 | ||
cc377381 | 533 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 534 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 535 | Manager *m = userdata; |
069cfc85 LP |
536 | |
537 | assert(m); | |
538 | ||
539 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
540 | if (!d) | |
541 | return -ENOMEM; | |
542 | ||
7b77ed8c LP |
543 | manager_process_button_device(m, d); |
544 | return 0; | |
069cfc85 LP |
545 | } |
546 | ||
cc377381 LP |
547 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
548 | Manager *m = userdata; | |
549 | ||
20263082 | 550 | assert(m); |
92432fcc | 551 | assert(m->seat0); |
cc377381 | 552 | assert(m->console_active_fd == fd); |
20263082 | 553 | |
92432fcc | 554 | seat_read_active_vt(m->seat0); |
20263082 LP |
555 | return 0; |
556 | } | |
557 | ||
98a77df5 LP |
558 | static int manager_reserve_vt(Manager *m) { |
559 | _cleanup_free_ char *p = NULL; | |
560 | ||
561 | assert(m); | |
562 | ||
563 | if (m->reserve_vt <= 0) | |
564 | return 0; | |
565 | ||
566 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
567 | return log_oom(); | |
568 | ||
569 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
570 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
571 | |
572 | /* Don't complain on VT-less systems */ | |
573 | if (errno != ENOENT) | |
56f64d95 | 574 | log_warning_errno(errno, "Failed to pin reserved VT: %m"); |
98a77df5 LP |
575 | return -errno; |
576 | } | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
cc377381 LP |
581 | static int manager_connect_bus(Manager *m) { |
582 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
583 | int r; | |
31b79c2b | 584 | |
cc377381 LP |
585 | assert(m); |
586 | assert(!m->bus); | |
31b79c2b | 587 | |
76b54375 | 588 | r = sd_bus_default_system(&m->bus); |
f647962d MS |
589 | if (r < 0) |
590 | return log_error_errno(r, "Failed to connect to system bus: %m"); | |
31b79c2b | 591 | |
19befb2d | 592 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
f647962d MS |
593 | if (r < 0) |
594 | return log_error_errno(r, "Failed to add manager object vtable: %m"); | |
f8e2fb7b | 595 | |
19befb2d | 596 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m); |
f647962d MS |
597 | if (r < 0) |
598 | return log_error_errno(r, "Failed to add seat object vtable: %m"); | |
069cfc85 | 599 | |
19befb2d | 600 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
f647962d MS |
601 | if (r < 0) |
602 | return log_error_errno(r, "Failed to add seat enumerator: %m"); | |
20263082 | 603 | |
19befb2d | 604 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m); |
f647962d MS |
605 | if (r < 0) |
606 | return log_error_errno(r, "Failed to add session object vtable: %m"); | |
20263082 | 607 | |
19befb2d | 608 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m); |
f647962d MS |
609 | if (r < 0) |
610 | return log_error_errno(r, "Failed to add session enumerator: %m"); | |
20263082 | 611 | |
19befb2d | 612 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m); |
f647962d MS |
613 | if (r < 0) |
614 | return log_error_errno(r, "Failed to add user object vtable: %m"); | |
20263082 | 615 | |
19befb2d | 616 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m); |
f647962d MS |
617 | if (r < 0) |
618 | return log_error_errno(r, "Failed to add user enumerator: %m"); | |
20263082 | 619 | |
cc377381 | 620 | r = sd_bus_add_match(m->bus, |
19befb2d | 621 | NULL, |
cc377381 LP |
622 | "type='signal'," |
623 | "sender='org.freedesktop.systemd1'," | |
624 | "interface='org.freedesktop.systemd1.Manager'," | |
625 | "member='JobRemoved'," | |
626 | "path='/org/freedesktop/systemd1'", | |
627 | match_job_removed, m); | |
f647962d MS |
628 | if (r < 0) |
629 | return log_error_errno(r, "Failed to add match for JobRemoved: %m"); | |
943aca8e | 630 | |
cc377381 | 631 | r = sd_bus_add_match(m->bus, |
19befb2d | 632 | NULL, |
cc377381 LP |
633 | "type='signal'," |
634 | "sender='org.freedesktop.systemd1'," | |
635 | "interface='org.freedesktop.systemd1.Manager'," | |
636 | "member='UnitRemoved'," | |
637 | "path='/org/freedesktop/systemd1'", | |
638 | match_unit_removed, m); | |
f647962d MS |
639 | if (r < 0) |
640 | return log_error_errno(r, "Failed to add match for UnitRemoved: %m"); | |
fb6becb4 | 641 | |
cc377381 | 642 | r = sd_bus_add_match(m->bus, |
19befb2d | 643 | NULL, |
cc377381 LP |
644 | "type='signal'," |
645 | "sender='org.freedesktop.systemd1'," | |
646 | "interface='org.freedesktop.DBus.Properties'," | |
647 | "member='PropertiesChanged'", | |
648 | match_properties_changed, m); | |
f647962d MS |
649 | if (r < 0) |
650 | return log_error_errno(r, "Failed to add match for PropertiesChanged: %m"); | |
fb6becb4 | 651 | |
cc377381 | 652 | r = sd_bus_add_match(m->bus, |
19befb2d | 653 | NULL, |
cc377381 LP |
654 | "type='signal'," |
655 | "sender='org.freedesktop.systemd1'," | |
656 | "interface='org.freedesktop.systemd1.Manager'," | |
657 | "member='Reloading'," | |
658 | "path='/org/freedesktop/systemd1'", | |
659 | match_reloading, m); | |
f647962d MS |
660 | if (r < 0) |
661 | return log_error_errno(r, "Failed to add match for Reloading: %m"); | |
6797c324 | 662 | |
cc377381 | 663 | r = sd_bus_call_method( |
fb6becb4 LP |
664 | m->bus, |
665 | "org.freedesktop.systemd1", | |
666 | "/org/freedesktop/systemd1", | |
667 | "org.freedesktop.systemd1.Manager", | |
668 | "Subscribe", | |
fb6becb4 | 669 | &error, |
cc377381 | 670 | NULL, NULL); |
fb6becb4 | 671 | if (r < 0) { |
cc377381 LP |
672 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
673 | return r; | |
20263082 LP |
674 | } |
675 | ||
5bb658a1 | 676 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
f647962d MS |
677 | if (r < 0) |
678 | return log_error_errno(r, "Failed to register name: %m"); | |
bafd4449 | 679 | |
cc377381 | 680 | r = sd_bus_attach_event(m->bus, m->event, 0); |
f647962d MS |
681 | if (r < 0) |
682 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
20263082 | 683 | |
20263082 | 684 | return 0; |
20263082 LP |
685 | } |
686 | ||
92683ad2 DH |
687 | static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) { |
688 | Manager *m = data; | |
689 | Session *active, *iter; | |
690 | ||
691 | /* | |
692 | * We got a VT-switch signal and we have to acknowledge it immediately. | |
693 | * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately, | |
694 | * old user-space might run multiple sessions on a single VT, *sigh*. | |
695 | * Therefore, we have to iterate all sessions and find one with a vtfd | |
696 | * on the requested VT. | |
697 | * As only VTs with active controllers have VT_PROCESS set, our current | |
698 | * notion of the active VT might be wrong (for instance if the switch | |
699 | * happens while we setup VT_PROCESS). Therefore, read the current VT | |
700 | * first and then use s->active->vtnr as reference. Note that this is | |
701 | * not racy, as no further VT-switch can happen as long as we're in | |
702 | * synchronous VT_PROCESS mode. | |
703 | */ | |
704 | ||
705 | assert(m->seat0); | |
706 | seat_read_active_vt(m->seat0); | |
707 | ||
708 | active = m->seat0->active; | |
709 | if (!active || active->vtnr < 1) { | |
710 | log_warning("Received VT_PROCESS signal without a registered session on that VT."); | |
711 | return 0; | |
712 | } | |
713 | ||
714 | if (active->vtfd >= 0) { | |
2ec3ff66 | 715 | session_leave_vt(active); |
92683ad2 DH |
716 | } else { |
717 | LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) { | |
718 | if (iter->vtnr == active->vtnr && iter->vtfd >= 0) { | |
2ec3ff66 | 719 | session_leave_vt(iter); |
92683ad2 DH |
720 | break; |
721 | } | |
722 | } | |
723 | } | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
20263082 | 728 | static int manager_connect_console(Manager *m) { |
cc377381 | 729 | int r; |
20263082 LP |
730 | |
731 | assert(m); | |
732 | assert(m->console_active_fd < 0); | |
733 | ||
74afee9c LP |
734 | /* On certain architectures (S390 and Xen, and containers), |
735 | /dev/tty0 does not exist, so don't fail if we can't open | |
736 | it. */ | |
cc377381 | 737 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 738 | return 0; |
74afee9c | 739 | |
20263082 LP |
740 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
741 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
742 | |
743 | /* On some systems the device node /dev/tty0 may exist | |
744 | * even though /sys/class/tty/tty0 does not. */ | |
745 | if (errno == ENOENT) | |
746 | return 0; | |
747 | ||
56f64d95 | 748 | log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m"); |
20263082 LP |
749 | return -errno; |
750 | } | |
751 | ||
151b9b96 | 752 | r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m); |
cc377381 LP |
753 | if (r < 0) { |
754 | log_error("Failed to watch foreground console"); | |
755 | return r; | |
756 | } | |
20263082 | 757 | |
92683ad2 DH |
758 | /* |
759 | * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used | |
760 | * as VT-acquire signal. We ignore any acquire-events (yes, we still | |
761 | * have to provide a valid signal-number for it!) and acknowledge all | |
762 | * release events immediately. | |
763 | */ | |
764 | ||
765 | if (SIGRTMIN + 1 > SIGRTMAX) { | |
766 | log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX); | |
767 | return -EINVAL; | |
768 | } | |
769 | ||
72c0a2c2 LP |
770 | assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0); |
771 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0); | |
92683ad2 DH |
772 | |
773 | r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m); | |
774 | if (r < 0) | |
775 | return r; | |
776 | ||
20263082 LP |
777 | return 0; |
778 | } | |
779 | ||
780 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 781 | int r; |
20263082 LP |
782 | |
783 | assert(m); | |
30ed21ce | 784 | assert(!m->udev_seat_monitor); |
718d006a | 785 | assert(!m->udev_device_monitor); |
30ed21ce | 786 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 787 | assert(!m->udev_button_monitor); |
20263082 | 788 | |
30ed21ce LP |
789 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
790 | if (!m->udev_seat_monitor) | |
20263082 LP |
791 | return -ENOMEM; |
792 | ||
2d96536d | 793 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
794 | if (r < 0) |
795 | return r; | |
20263082 | 796 | |
30ed21ce | 797 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
798 | if (r < 0) |
799 | return r; | |
20263082 | 800 | |
151b9b96 | 801 | 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 |
802 | if (r < 0) |
803 | return r; | |
069cfc85 | 804 | |
718d006a DH |
805 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
806 | if (!m->udev_device_monitor) | |
807 | return -ENOMEM; | |
808 | ||
809 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
810 | if (r < 0) | |
811 | return r; | |
812 | ||
813 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
814 | if (r < 0) | |
815 | return r; | |
816 | ||
817 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
818 | if (r < 0) | |
819 | return r; | |
820 | ||
821 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
822 | if (r < 0) | |
823 | return r; | |
824 | ||
151b9b96 | 825 | 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 |
826 | if (r < 0) |
827 | return r; | |
718d006a | 828 | |
6de0e0e5 | 829 | /* Don't watch keys if nobody cares */ |
beaafb2e | 830 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
831 | m->handle_suspend_key != HANDLE_IGNORE || |
832 | m->handle_hibernate_key != HANDLE_IGNORE || | |
3c56cab4 BW |
833 | m->handle_lid_switch != HANDLE_IGNORE || |
834 | m->handle_lid_switch_docked != HANDLE_IGNORE) { | |
069cfc85 | 835 | |
6de0e0e5 LP |
836 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
837 | if (!m->udev_button_monitor) | |
838 | return -ENOMEM; | |
069cfc85 | 839 | |
6de0e0e5 LP |
840 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
841 | if (r < 0) | |
842 | return r; | |
069cfc85 | 843 | |
6de0e0e5 LP |
844 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
845 | if (r < 0) | |
846 | return r; | |
069cfc85 | 847 | |
6de0e0e5 LP |
848 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
849 | if (r < 0) | |
850 | return r; | |
069cfc85 | 851 | |
151b9b96 | 852 | 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 |
853 | if (r < 0) |
854 | return r; | |
6de0e0e5 | 855 | } |
069cfc85 | 856 | |
976c088a | 857 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 858 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 859 | |
6de0e0e5 LP |
860 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
861 | if (!m->udev_vcsa_monitor) | |
862 | return -ENOMEM; | |
30ed21ce | 863 | |
6de0e0e5 LP |
864 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
865 | if (r < 0) | |
866 | return r; | |
30ed21ce | 867 | |
6de0e0e5 LP |
868 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
869 | if (r < 0) | |
870 | return r; | |
30ed21ce | 871 | |
151b9b96 | 872 | 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 |
873 | if (r < 0) |
874 | return r; | |
6de0e0e5 | 875 | } |
20263082 LP |
876 | |
877 | return 0; | |
878 | } | |
879 | ||
905f0a39 | 880 | static void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
881 | Seat *seat; |
882 | Session *session; | |
883 | User *user; | |
884 | ||
885 | assert(m); | |
886 | ||
887 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 888 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
889 | seat->in_gc_queue = false; |
890 | ||
cc377381 | 891 | if (!seat_check_gc(seat, drop_not_started)) { |
9bb69af4 | 892 | seat_stop(seat, false); |
14c3baca LP |
893 | seat_free(seat); |
894 | } | |
895 | } | |
896 | ||
897 | while ((session = m->session_gc_queue)) { | |
71fda00f | 898 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
899 | session->in_gc_queue = false; |
900 | ||
5f41d1f1 LP |
901 | /* First, if we are not closing yet, initiate stopping */ |
902 | if (!session_check_gc(session, drop_not_started) && | |
903 | session_get_state(session) != SESSION_CLOSING) | |
9bb69af4 | 904 | session_stop(session, false); |
5f41d1f1 | 905 | |
491ac9f2 LP |
906 | /* Normally, this should make the session referenced |
907 | * again, if it doesn't then let's get rid of it | |
5f41d1f1 LP |
908 | * immediately */ |
909 | if (!session_check_gc(session, drop_not_started)) { | |
405e0255 | 910 | session_finalize(session); |
14c3baca LP |
911 | session_free(session); |
912 | } | |
913 | } | |
914 | ||
915 | while ((user = m->user_gc_queue)) { | |
71fda00f | 916 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
917 | user->in_gc_queue = false; |
918 | ||
b58b227a DH |
919 | /* First step: queue stop jobs */ |
920 | if (!user_check_gc(user, drop_not_started)) | |
9bb69af4 | 921 | user_stop(user, false); |
5f41d1f1 | 922 | |
b58b227a | 923 | /* Second step: finalize user */ |
5f41d1f1 | 924 | if (!user_check_gc(user, drop_not_started)) { |
405e0255 | 925 | user_finalize(user); |
14c3baca LP |
926 | user_free(user); |
927 | } | |
928 | } | |
929 | } | |
930 | ||
cc377381 LP |
931 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
932 | Manager *m = userdata; | |
23406ce5 | 933 | struct dual_timestamp since; |
cc377381 | 934 | usec_t n, elapse; |
23406ce5 | 935 | int r; |
23406ce5 LP |
936 | |
937 | assert(m); | |
938 | ||
939 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
940 | m->idle_action_usec <= 0) |
941 | return 0; | |
23406ce5 | 942 | |
23406ce5 LP |
943 | n = now(CLOCK_MONOTONIC); |
944 | ||
945 | r = manager_get_idle_hint(m, &since); | |
946 | if (r <= 0) | |
39ccc87c | 947 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 948 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
949 | else { |
950 | /* Idle! Let's see if it's time to do something, or if | |
951 | * we shall sleep for longer. */ | |
952 | ||
953 | if (n >= since.monotonic + m->idle_action_usec && | |
954 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
955 | log_info("System idle. Taking action."); | |
956 | ||
957 | manager_handle_action(m, 0, m->idle_action, false, false); | |
958 | m->idle_action_not_before_usec = n; | |
959 | } | |
960 | ||
cc377381 | 961 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
962 | } |
963 | ||
cc377381 | 964 | if (!m->idle_action_event_source) { |
23406ce5 | 965 | |
6a0f1f6d LP |
966 | r = sd_event_add_time( |
967 | m->event, | |
968 | &m->idle_action_event_source, | |
969 | CLOCK_MONOTONIC, | |
970 | elapse, USEC_PER_SEC*30, | |
971 | manager_dispatch_idle_action, m); | |
f647962d MS |
972 | if (r < 0) |
973 | return log_error_errno(r, "Failed to add idle event source: %m"); | |
23406ce5 | 974 | |
718db961 | 975 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
f647962d MS |
976 | if (r < 0) |
977 | return log_error_errno(r, "Failed to set idle event source priority: %m"); | |
cc377381 LP |
978 | } else { |
979 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
f647962d MS |
980 | if (r < 0) |
981 | return log_error_errno(r, "Failed to set idle event timer: %m"); | |
23406ce5 | 982 | |
cc377381 | 983 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
f647962d MS |
984 | if (r < 0) |
985 | return log_error_errno(r, "Failed to enable idle event timer: %m"); | |
23406ce5 LP |
986 | } |
987 | ||
988 | return 0; | |
23406ce5 | 989 | } |
cc377381 | 990 | |
905f0a39 | 991 | static int manager_startup(Manager *m) { |
20263082 | 992 | int r; |
14c3baca LP |
993 | Seat *seat; |
994 | Session *session; | |
995 | User *user; | |
ed4ba7e4 | 996 | Button *button; |
f8e2fb7b | 997 | Inhibitor *inhibitor; |
14c3baca | 998 | Iterator i; |
20263082 LP |
999 | |
1000 | assert(m); | |
20263082 | 1001 | |
976c088a LP |
1002 | /* Connect to console */ |
1003 | r = manager_connect_console(m); | |
20263082 LP |
1004 | if (r < 0) |
1005 | return r; | |
1006 | ||
976c088a LP |
1007 | /* Connect to udev */ |
1008 | r = manager_connect_udev(m); | |
f647962d MS |
1009 | if (r < 0) |
1010 | return log_error_errno(r, "Failed to create udev watchers: %m"); | |
20263082 LP |
1011 | |
1012 | /* Connect to the bus */ | |
1013 | r = manager_connect_bus(m); | |
1014 | if (r < 0) | |
1015 | return r; | |
1016 | ||
14c3baca | 1017 | /* Instantiate magic seat 0 */ |
92432fcc | 1018 | r = manager_add_seat(m, "seat0", &m->seat0); |
f647962d MS |
1019 | if (r < 0) |
1020 | return log_error_errno(r, "Failed to add seat0: %m"); | |
14c3baca | 1021 | |
9d10cbee | 1022 | r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec); |
f9cd6be1 | 1023 | if (r < 0) |
da927ba9 | 1024 | log_warning_errno(r, "Failed to set up lid switch ignore event source: %m"); |
f9cd6be1 | 1025 | |
20263082 | 1026 | /* Deserialize state */ |
042f5988 ZJS |
1027 | r = manager_enumerate_devices(m); |
1028 | if (r < 0) | |
da927ba9 | 1029 | log_warning_errno(r, "Device enumeration failed: %m"); |
042f5988 ZJS |
1030 | |
1031 | r = manager_enumerate_seats(m); | |
1032 | if (r < 0) | |
da927ba9 | 1033 | log_warning_errno(r, "Seat enumeration failed: %m"); |
042f5988 ZJS |
1034 | |
1035 | r = manager_enumerate_users(m); | |
1036 | if (r < 0) | |
da927ba9 | 1037 | log_warning_errno(r, "User enumeration failed: %m"); |
042f5988 ZJS |
1038 | |
1039 | r = manager_enumerate_sessions(m); | |
1040 | if (r < 0) | |
da927ba9 | 1041 | log_warning_errno(r, "Session enumeration failed: %m"); |
042f5988 ZJS |
1042 | |
1043 | r = manager_enumerate_inhibitors(m); | |
1044 | if (r < 0) | |
da927ba9 | 1045 | log_warning_errno(r, "Inhibitor enumeration failed: %m"); |
042f5988 ZJS |
1046 | |
1047 | r = manager_enumerate_buttons(m); | |
1048 | if (r < 0) | |
da927ba9 | 1049 | log_warning_errno(r, "Button enumeration failed: %m"); |
20263082 | 1050 | |
4a4b033f LP |
1051 | /* Remove stale objects before we start them */ |
1052 | manager_gc(m, false); | |
1053 | ||
98a77df5 LP |
1054 | /* Reserve the special reserved VT */ |
1055 | manager_reserve_vt(m); | |
1056 | ||
14c3baca LP |
1057 | /* And start everything */ |
1058 | HASHMAP_FOREACH(seat, m->seats, i) | |
1059 | seat_start(seat); | |
1060 | ||
1061 | HASHMAP_FOREACH(user, m->users, i) | |
1062 | user_start(user); | |
1063 | ||
1064 | HASHMAP_FOREACH(session, m->sessions, i) | |
1065 | session_start(session); | |
20263082 | 1066 | |
f8e2fb7b LP |
1067 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1068 | inhibitor_start(inhibitor); | |
1069 | ||
ed4ba7e4 | 1070 | HASHMAP_FOREACH(button, m->buttons, i) |
2d62c530 | 1071 | button_check_switches(button); |
ed4ba7e4 | 1072 | |
cc377381 | 1073 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1074 | |
20263082 LP |
1075 | return 0; |
1076 | } | |
1077 | ||
905f0a39 | 1078 | static int manager_run(Manager *m) { |
cc377381 LP |
1079 | int r; |
1080 | ||
20263082 LP |
1081 | assert(m); |
1082 | ||
1083 | for (;;) { | |
cc377381 LP |
1084 | r = sd_event_get_state(m->event); |
1085 | if (r < 0) | |
1086 | return r; | |
1087 | if (r == SD_EVENT_FINISHED) | |
1088 | return 0; | |
20263082 | 1089 | |
4a4b033f | 1090 | manager_gc(m, true); |
14c3baca | 1091 | |
418b22b8 DM |
1092 | r = manager_dispatch_delayed(m, false); |
1093 | if (r < 0) | |
1094 | return r; | |
1095 | if (r > 0) | |
1096 | continue; | |
1097 | ||
c0f32805 | 1098 | r = sd_event_run(m->event, (uint64_t) -1); |
cc377381 LP |
1099 | if (r < 0) |
1100 | return r; | |
20263082 | 1101 | } |
20263082 LP |
1102 | } |
1103 | ||
193197e8 | 1104 | static int manager_parse_config_file(Manager *m) { |
193197e8 LP |
1105 | assert(m); |
1106 | ||
e8461023 JT |
1107 | return config_parse_many("/etc/systemd/logind.conf", |
1108 | CONF_DIRS_NULSTR("systemd/logind.conf"), | |
1109 | "Login\0", | |
1110 | config_item_perf_lookup, logind_gperf_lookup, | |
1111 | false, m); | |
193197e8 LP |
1112 | } |
1113 | ||
20263082 LP |
1114 | int main(int argc, char *argv[]) { |
1115 | Manager *m = NULL; | |
5eda94dd | 1116 | int r; |
20263082 LP |
1117 | |
1118 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1119 | log_set_facility(LOG_AUTH); |
20263082 LP |
1120 | log_parse_environment(); |
1121 | log_open(); | |
1122 | ||
4c12626c LP |
1123 | umask(0022); |
1124 | ||
20263082 LP |
1125 | if (argc != 1) { |
1126 | log_error("This program takes no arguments."); | |
1127 | r = -EINVAL; | |
1128 | goto finish; | |
1129 | } | |
1130 | ||
bb27ff66 LP |
1131 | /* Always create the directories people can create inotify |
1132 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1133 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1134 | * logind is available, so please always make sure this check |
1135 | * stays in. */ | |
1136 | mkdir_label("/run/systemd/seats", 0755); | |
1137 | mkdir_label("/run/systemd/users", 0755); | |
1138 | mkdir_label("/run/systemd/sessions", 0755); | |
1139 | ||
20263082 LP |
1140 | m = manager_new(); |
1141 | if (!m) { | |
0d0f0c50 | 1142 | r = log_oom(); |
20263082 LP |
1143 | goto finish; |
1144 | } | |
1145 | ||
193197e8 LP |
1146 | manager_parse_config_file(m); |
1147 | ||
20263082 LP |
1148 | r = manager_startup(m); |
1149 | if (r < 0) { | |
da927ba9 | 1150 | log_error_errno(r, "Failed to fully start up daemon: %m"); |
20263082 LP |
1151 | goto finish; |
1152 | } | |
1153 | ||
de0671ee | 1154 | log_debug("systemd-logind running as pid "PID_FMT, getpid()); |
e6960940 LP |
1155 | |
1156 | sd_notify(false, | |
1157 | "READY=1\n" | |
1158 | "STATUS=Processing requests..."); | |
1159 | ||
20263082 LP |
1160 | r = manager_run(m); |
1161 | ||
de0671ee | 1162 | log_debug("systemd-logind stopped as pid "PID_FMT, getpid()); |
e6960940 | 1163 | |
20263082 | 1164 | finish: |
e6960940 | 1165 | sd_notify(false, |
af4ec430 | 1166 | "STOPPING=1\n" |
e6960940 LP |
1167 | "STATUS=Shutting down..."); |
1168 | ||
3e044c49 | 1169 | manager_free(m); |
20263082 LP |
1170 | |
1171 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1172 | } |