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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> | |
20263082 | 27 | |
cc377381 | 28 | #include "sd-daemon.h" |
193197e8 LP |
29 | #include "strv.h" |
30 | #include "conf-parser.h" | |
cc377381 LP |
31 | #include "bus-util.h" |
32 | #include "bus-error.h" | |
7b77ed8c | 33 | #include "udev-util.h" |
6482f626 | 34 | #include "formats-util.h" |
24882e06 LP |
35 | #include "signal-util.h" |
36 | #include "logind.h" | |
20263082 | 37 | |
905f0a39 DM |
38 | static void manager_free(Manager *m); |
39 | ||
40 | static Manager *manager_new(void) { | |
20263082 | 41 | Manager *m; |
cc377381 | 42 | int r; |
20263082 LP |
43 | |
44 | m = new0(Manager, 1); | |
45 | if (!m) | |
46 | return NULL; | |
47 | ||
48 | m->console_active_fd = -1; | |
98a77df5 | 49 | m->reserve_vt_fd = -1; |
069cfc85 | 50 | |
20263082 | 51 | m->n_autovts = 6; |
98a77df5 | 52 | m->reserve_vt = 6; |
66cdd0f2 | 53 | m->remove_ipc = true; |
eecd1362 | 54 | m->inhibit_delay_max = 5 * USEC_PER_SEC; |
beaafb2e | 55 | m->handle_power_key = HANDLE_POWEROFF; |
8e7fd6ad LP |
56 | m->handle_suspend_key = HANDLE_SUSPEND; |
57 | m->handle_hibernate_key = HANDLE_HIBERNATE; | |
beaafb2e | 58 | m->handle_lid_switch = HANDLE_SUSPEND; |
3c56cab4 | 59 | m->handle_lid_switch_docked = HANDLE_IGNORE; |
beaafb2e | 60 | m->lid_switch_ignore_inhibited = true; |
9d10cbee | 61 | m->holdoff_timeout_usec = 30 * USEC_PER_SEC; |
20263082 | 62 | |
23406ce5 LP |
63 | m->idle_action_usec = 30 * USEC_PER_MINUTE; |
64 | m->idle_action = HANDLE_IGNORE; | |
65 | m->idle_action_not_before_usec = now(CLOCK_MONOTONIC); | |
66 | ||
1c231f56 LP |
67 | m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */ |
68 | ||
d5099efc MS |
69 | m->devices = hashmap_new(&string_hash_ops); |
70 | m->seats = hashmap_new(&string_hash_ops); | |
71 | m->sessions = hashmap_new(&string_hash_ops); | |
72 | m->users = hashmap_new(NULL); | |
73 | m->inhibitors = hashmap_new(&string_hash_ops); | |
74 | m->buttons = hashmap_new(&string_hash_ops); | |
f8e2fb7b | 75 | |
d5099efc MS |
76 | m->user_units = hashmap_new(&string_hash_ops); |
77 | m->session_units = hashmap_new(&string_hash_ops); | |
8c8c4351 | 78 | |
3cde9e8f | 79 | if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units) |
ed4ba7e4 | 80 | goto fail; |
25d93491 | 81 | |
25d93491 | 82 | m->kill_exclude_users = strv_new("root", NULL); |
ed4ba7e4 LP |
83 | if (!m->kill_exclude_users) |
84 | goto fail; | |
20263082 LP |
85 | |
86 | m->udev = udev_new(); | |
ed4ba7e4 LP |
87 | if (!m->udev) |
88 | goto fail; | |
20263082 | 89 | |
afc6adb5 | 90 | r = sd_event_default(&m->event); |
ed4ba7e4 LP |
91 | if (r < 0) |
92 | goto fail; | |
cc377381 | 93 | |
cde93897 LP |
94 | sd_event_set_watchdog(m->event, true); |
95 | ||
20263082 | 96 | return m; |
ed4ba7e4 LP |
97 | |
98 | fail: | |
99 | manager_free(m); | |
100 | return NULL; | |
20263082 LP |
101 | } |
102 | ||
905f0a39 | 103 | static void manager_free(Manager *m) { |
20263082 LP |
104 | Session *session; |
105 | User *u; | |
106 | Device *d; | |
107 | Seat *s; | |
f8e2fb7b | 108 | Inhibitor *i; |
069cfc85 | 109 | Button *b; |
20263082 LP |
110 | |
111 | assert(m); | |
112 | ||
113 | while ((session = hashmap_first(m->sessions))) | |
114 | session_free(session); | |
115 | ||
116 | while ((u = hashmap_first(m->users))) | |
117 | user_free(u); | |
118 | ||
119 | while ((d = hashmap_first(m->devices))) | |
120 | device_free(d); | |
121 | ||
122 | while ((s = hashmap_first(m->seats))) | |
123 | seat_free(s); | |
124 | ||
f8e2fb7b LP |
125 | while ((i = hashmap_first(m->inhibitors))) |
126 | inhibitor_free(i); | |
127 | ||
069cfc85 LP |
128 | while ((b = hashmap_first(m->buttons))) |
129 | button_free(b); | |
130 | ||
20263082 LP |
131 | hashmap_free(m->devices); |
132 | hashmap_free(m->seats); | |
f8e2fb7b LP |
133 | hashmap_free(m->sessions); |
134 | hashmap_free(m->users); | |
135 | hashmap_free(m->inhibitors); | |
069cfc85 | 136 | hashmap_free(m->buttons); |
f8e2fb7b | 137 | |
fb6becb4 LP |
138 | hashmap_free(m->user_units); |
139 | hashmap_free(m->session_units); | |
8c8c4351 | 140 | |
cc377381 | 141 | sd_event_source_unref(m->idle_action_event_source); |
c0f32805 | 142 | sd_event_source_unref(m->inhibit_timeout_source); |
8aaa023a | 143 | sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
867c37f6 | 144 | sd_event_source_unref(m->nologin_timeout_source); |
e2fa5721 | 145 | sd_event_source_unref(m->wall_message_timeout_source); |
cc377381 LP |
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); | |
f9cd6be1 | 152 | sd_event_source_unref(m->lid_switch_ignore_event_source); |
20263082 | 153 | |
03e334a1 | 154 | safe_close(m->console_active_fd); |
20263082 | 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 | ||
867c37f6 | 168 | if (m->unlink_nologin) |
a790812c | 169 | (void) unlink("/run/nologin"); |
867c37f6 | 170 | |
36e34057 | 171 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
20263082 | 172 | |
cc377381 LP |
173 | sd_bus_unref(m->bus); |
174 | sd_event_unref(m->event); | |
20263082 | 175 | |
03e334a1 | 176 | safe_close(m->reserve_vt_fd); |
98a77df5 | 177 | |
193197e8 LP |
178 | strv_free(m->kill_only_users); |
179 | strv_free(m->kill_exclude_users); | |
180 | ||
8aaa023a | 181 | free(m->scheduled_shutdown_type); |
e2fa5721 DM |
182 | free(m->scheduled_shutdown_tty); |
183 | free(m->wall_message); | |
af9792ac | 184 | free(m->action_job); |
20263082 LP |
185 | free(m); |
186 | } | |
187 | ||
9588bc32 | 188 | static int manager_enumerate_devices(Manager *m) { |
20263082 | 189 | struct udev_list_entry *item = NULL, *first = NULL; |
bf5332d2 | 190 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
14c3baca | 191 | int r; |
20263082 LP |
192 | |
193 | assert(m); | |
194 | ||
195 | /* Loads devices from udev and creates seats for them as | |
196 | * necessary */ | |
197 | ||
198 | e = udev_enumerate_new(m->udev); | |
bf5332d2 LP |
199 | if (!e) |
200 | return -ENOMEM; | |
20263082 | 201 | |
2d96536d | 202 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 203 | if (r < 0) |
bf5332d2 | 204 | return r; |
20263082 | 205 | |
e1202047 LP |
206 | r = udev_enumerate_add_match_is_initialized(e); |
207 | if (r < 0) | |
208 | return r; | |
209 | ||
14c3baca LP |
210 | r = udev_enumerate_scan_devices(e); |
211 | if (r < 0) | |
bf5332d2 | 212 | return r; |
20263082 LP |
213 | |
214 | first = udev_enumerate_get_list_entry(e); | |
215 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 216 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
217 | int k; |
218 | ||
219 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
220 | if (!d) |
221 | return -ENOMEM; | |
20263082 | 222 | |
bf5332d2 | 223 | k = manager_process_seat_device(m, d); |
20263082 LP |
224 | if (k < 0) |
225 | r = k; | |
226 | } | |
227 | ||
20263082 LP |
228 | return r; |
229 | } | |
230 | ||
9588bc32 | 231 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 232 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 233 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
234 | int r; |
235 | ||
236 | assert(m); | |
237 | ||
238 | /* Loads buttons from udev */ | |
239 | ||
beaafb2e | 240 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
241 | m->handle_suspend_key == HANDLE_IGNORE && |
242 | m->handle_hibernate_key == HANDLE_IGNORE && | |
3c56cab4 BW |
243 | m->handle_lid_switch == HANDLE_IGNORE && |
244 | m->handle_lid_switch_docked == HANDLE_IGNORE) | |
6de0e0e5 LP |
245 | return 0; |
246 | ||
069cfc85 | 247 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
248 | if (!e) |
249 | return -ENOMEM; | |
069cfc85 LP |
250 | |
251 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
252 | if (r < 0) | |
bf5332d2 | 253 | return r; |
069cfc85 LP |
254 | |
255 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
256 | if (r < 0) | |
bf5332d2 | 257 | return r; |
069cfc85 | 258 | |
e1202047 LP |
259 | r = udev_enumerate_add_match_is_initialized(e); |
260 | if (r < 0) | |
261 | return r; | |
262 | ||
069cfc85 LP |
263 | r = udev_enumerate_scan_devices(e); |
264 | if (r < 0) | |
bf5332d2 | 265 | return r; |
069cfc85 LP |
266 | |
267 | first = udev_enumerate_get_list_entry(e); | |
268 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 269 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
069cfc85 LP |
270 | int k; |
271 | ||
272 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
273 | if (!d) |
274 | return -ENOMEM; | |
069cfc85 | 275 | |
bf5332d2 | 276 | k = manager_process_button_device(m, d); |
069cfc85 LP |
277 | if (k < 0) |
278 | r = k; | |
279 | } | |
280 | ||
069cfc85 LP |
281 | return r; |
282 | } | |
283 | ||
9588bc32 | 284 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 285 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
286 | struct dirent *de; |
287 | int r = 0; | |
288 | ||
289 | assert(m); | |
290 | ||
291 | /* This loads data about seats stored on disk, but does not | |
292 | * actually create any seats. Removes data of seats that no | |
293 | * longer exist. */ | |
294 | ||
295 | d = opendir("/run/systemd/seats"); | |
296 | if (!d) { | |
297 | if (errno == ENOENT) | |
298 | return 0; | |
299 | ||
56f64d95 | 300 | log_error_errno(errno, "Failed to open /run/systemd/seats: %m"); |
20263082 LP |
301 | return -errno; |
302 | } | |
303 | ||
9444b1f2 | 304 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 LP |
305 | Seat *s; |
306 | int k; | |
307 | ||
308 | if (!dirent_is_file(de)) | |
309 | continue; | |
310 | ||
311 | s = hashmap_get(m->seats, de->d_name); | |
312 | if (!s) { | |
313 | unlinkat(dirfd(d), de->d_name, 0); | |
314 | continue; | |
315 | } | |
316 | ||
317 | k = seat_load(s); | |
318 | if (k < 0) | |
319 | r = k; | |
320 | } | |
321 | ||
14c3baca LP |
322 | return r; |
323 | } | |
20263082 | 324 | |
14c3baca | 325 | static int manager_enumerate_linger_users(Manager *m) { |
9444b1f2 | 326 | _cleanup_closedir_ DIR *d = NULL; |
14c3baca LP |
327 | struct dirent *de; |
328 | int r = 0; | |
329 | ||
9444b1f2 LP |
330 | assert(m); |
331 | ||
14c3baca LP |
332 | d = opendir("/var/lib/systemd/linger"); |
333 | if (!d) { | |
334 | if (errno == ENOENT) | |
335 | return 0; | |
336 | ||
56f64d95 | 337 | log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m"); |
14c3baca LP |
338 | return -errno; |
339 | } | |
340 | ||
9444b1f2 | 341 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
342 | int k; |
343 | ||
344 | if (!dirent_is_file(de)) | |
20263082 LP |
345 | continue; |
346 | ||
14c3baca LP |
347 | k = manager_add_user_by_name(m, de->d_name, NULL); |
348 | if (k < 0) { | |
da927ba9 | 349 | log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name); |
14c3baca | 350 | r = k; |
20263082 LP |
351 | } |
352 | } | |
353 | ||
20263082 LP |
354 | return r; |
355 | } | |
356 | ||
9588bc32 | 357 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 358 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 359 | struct dirent *de; |
14c3baca | 360 | int r, k; |
20263082 LP |
361 | |
362 | assert(m); | |
363 | ||
9444b1f2 | 364 | /* Add lingering users */ |
b3629c7d | 365 | r = manager_enumerate_linger_users(m); |
14c3baca | 366 | |
9444b1f2 | 367 | /* Read in user data stored on disk */ |
20263082 LP |
368 | d = opendir("/run/systemd/users"); |
369 | if (!d) { | |
370 | if (errno == ENOENT) | |
371 | return 0; | |
372 | ||
56f64d95 | 373 | log_error_errno(errno, "Failed to open /run/systemd/users: %m"); |
20263082 LP |
374 | return -errno; |
375 | } | |
376 | ||
9444b1f2 | 377 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 378 | User *u; |
20263082 LP |
379 | |
380 | if (!dirent_is_file(de)) | |
381 | continue; | |
382 | ||
9444b1f2 | 383 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 384 | if (k < 0) { |
da927ba9 | 385 | log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name); |
20263082 | 386 | |
9444b1f2 | 387 | r = k; |
20263082 LP |
388 | continue; |
389 | } | |
390 | ||
9444b1f2 LP |
391 | user_add_to_gc_queue(u); |
392 | ||
20263082 LP |
393 | k = user_load(u); |
394 | if (k < 0) | |
395 | r = k; | |
396 | } | |
397 | ||
20263082 LP |
398 | return r; |
399 | } | |
400 | ||
9588bc32 | 401 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
402 | _cleanup_closedir_ DIR *d = NULL; |
403 | struct dirent *de; | |
20263082 LP |
404 | int r = 0; |
405 | ||
9444b1f2 LP |
406 | assert(m); |
407 | ||
408 | /* Read in session data stored on disk */ | |
409 | d = opendir("/run/systemd/sessions"); | |
410 | if (!d) { | |
411 | if (errno == ENOENT) | |
412 | return 0; | |
413 | ||
56f64d95 | 414 | log_error_errno(errno, "Failed to open /run/systemd/sessions: %m"); |
9444b1f2 LP |
415 | return -errno; |
416 | } | |
417 | ||
418 | FOREACH_DIRENT(de, d, return -errno) { | |
419 | struct Session *s; | |
20263082 LP |
420 | int k; |
421 | ||
9444b1f2 | 422 | if (!dirent_is_file(de)) |
14c3baca LP |
423 | continue; |
424 | ||
4b549144 ZJS |
425 | if (!session_id_valid(de->d_name)) { |
426 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
427 | r = -EINVAL; | |
428 | continue; | |
429 | } | |
430 | ||
9444b1f2 | 431 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 432 | if (k < 0) { |
da927ba9 | 433 | log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name); |
20263082 | 434 | |
20263082 LP |
435 | r = k; |
436 | continue; | |
437 | } | |
438 | ||
9444b1f2 | 439 | session_add_to_gc_queue(s); |
20263082 | 440 | |
9444b1f2 | 441 | k = session_load(s); |
20263082 LP |
442 | if (k < 0) |
443 | r = k; | |
444 | } | |
445 | ||
446 | return r; | |
447 | } | |
448 | ||
9588bc32 | 449 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 450 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
451 | struct dirent *de; |
452 | int r = 0; | |
453 | ||
454 | assert(m); | |
455 | ||
9444b1f2 | 456 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
457 | if (!d) { |
458 | if (errno == ENOENT) | |
459 | return 0; | |
460 | ||
56f64d95 | 461 | log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
462 | return -errno; |
463 | } | |
464 | ||
9444b1f2 | 465 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 466 | int k; |
9444b1f2 | 467 | Inhibitor *i; |
20263082 LP |
468 | |
469 | if (!dirent_is_file(de)) | |
470 | continue; | |
471 | ||
9444b1f2 LP |
472 | k = manager_add_inhibitor(m, de->d_name, &i); |
473 | if (k < 0) { | |
da927ba9 | 474 | log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name); |
9444b1f2 | 475 | r = k; |
20263082 LP |
476 | continue; |
477 | } | |
478 | ||
9444b1f2 | 479 | k = inhibitor_load(i); |
20263082 LP |
480 | if (k < 0) |
481 | r = k; | |
482 | } | |
483 | ||
20263082 LP |
484 | return r; |
485 | } | |
486 | ||
cc377381 | 487 | static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 488 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 489 | Manager *m = userdata; |
20263082 LP |
490 | |
491 | assert(m); | |
492 | ||
30ed21ce | 493 | d = udev_monitor_receive_device(m->udev_seat_monitor); |
20263082 LP |
494 | if (!d) |
495 | return -ENOMEM; | |
496 | ||
7b77ed8c LP |
497 | manager_process_seat_device(m, d); |
498 | return 0; | |
30ed21ce LP |
499 | } |
500 | ||
cc377381 | 501 | static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 502 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 503 | Manager *m = userdata; |
718d006a DH |
504 | |
505 | assert(m); | |
506 | ||
507 | d = udev_monitor_receive_device(m->udev_device_monitor); | |
508 | if (!d) | |
509 | return -ENOMEM; | |
510 | ||
7b77ed8c LP |
511 | manager_process_seat_device(m, d); |
512 | return 0; | |
718d006a DH |
513 | } |
514 | ||
cc377381 | 515 | static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 516 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 517 | Manager *m = userdata; |
30ed21ce LP |
518 | const char *name; |
519 | ||
520 | assert(m); | |
521 | ||
522 | d = udev_monitor_receive_device(m->udev_vcsa_monitor); | |
523 | if (!d) | |
524 | return -ENOMEM; | |
525 | ||
526 | name = udev_device_get_sysname(d); | |
527 | ||
528 | /* Whenever a VCSA device is removed try to reallocate our | |
529 | * VTs, to make sure our auto VTs never go away. */ | |
530 | ||
531 | if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) | |
7b77ed8c | 532 | seat_preallocate_vts(m->seat0); |
30ed21ce | 533 | |
7b77ed8c | 534 | return 0; |
20263082 LP |
535 | } |
536 | ||
cc377381 | 537 | static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
7b77ed8c | 538 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
cc377381 | 539 | Manager *m = userdata; |
069cfc85 LP |
540 | |
541 | assert(m); | |
542 | ||
543 | d = udev_monitor_receive_device(m->udev_button_monitor); | |
544 | if (!d) | |
545 | return -ENOMEM; | |
546 | ||
7b77ed8c LP |
547 | manager_process_button_device(m, d); |
548 | return 0; | |
069cfc85 LP |
549 | } |
550 | ||
cc377381 LP |
551 | static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
552 | Manager *m = userdata; | |
553 | ||
20263082 | 554 | assert(m); |
92432fcc | 555 | assert(m->seat0); |
cc377381 | 556 | assert(m->console_active_fd == fd); |
20263082 | 557 | |
92432fcc | 558 | seat_read_active_vt(m->seat0); |
20263082 LP |
559 | return 0; |
560 | } | |
561 | ||
98a77df5 LP |
562 | static int manager_reserve_vt(Manager *m) { |
563 | _cleanup_free_ char *p = NULL; | |
564 | ||
565 | assert(m); | |
566 | ||
567 | if (m->reserve_vt <= 0) | |
568 | return 0; | |
569 | ||
570 | if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) | |
571 | return log_oom(); | |
572 | ||
573 | m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
574 | if (m->reserve_vt_fd < 0) { | |
d4d882e5 LP |
575 | |
576 | /* Don't complain on VT-less systems */ | |
577 | if (errno != ENOENT) | |
56f64d95 | 578 | log_warning_errno(errno, "Failed to pin reserved VT: %m"); |
98a77df5 LP |
579 | return -errno; |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
cc377381 LP |
585 | static int manager_connect_bus(Manager *m) { |
586 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
587 | int r; | |
31b79c2b | 588 | |
cc377381 LP |
589 | assert(m); |
590 | assert(!m->bus); | |
31b79c2b | 591 | |
76b54375 | 592 | r = sd_bus_default_system(&m->bus); |
f647962d MS |
593 | if (r < 0) |
594 | return log_error_errno(r, "Failed to connect to system bus: %m"); | |
31b79c2b | 595 | |
19befb2d | 596 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m); |
f647962d MS |
597 | if (r < 0) |
598 | return log_error_errno(r, "Failed to add manager object vtable: %m"); | |
f8e2fb7b | 599 | |
19befb2d | 600 | 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 |
601 | if (r < 0) |
602 | return log_error_errno(r, "Failed to add seat object vtable: %m"); | |
069cfc85 | 603 | |
19befb2d | 604 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m); |
f647962d MS |
605 | if (r < 0) |
606 | return log_error_errno(r, "Failed to add seat enumerator: %m"); | |
20263082 | 607 | |
19befb2d | 608 | 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 |
609 | if (r < 0) |
610 | return log_error_errno(r, "Failed to add session object vtable: %m"); | |
20263082 | 611 | |
19befb2d | 612 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m); |
f647962d MS |
613 | if (r < 0) |
614 | return log_error_errno(r, "Failed to add session enumerator: %m"); | |
20263082 | 615 | |
19befb2d | 616 | 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 |
617 | if (r < 0) |
618 | return log_error_errno(r, "Failed to add user object vtable: %m"); | |
20263082 | 619 | |
19befb2d | 620 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m); |
f647962d MS |
621 | if (r < 0) |
622 | return log_error_errno(r, "Failed to add user enumerator: %m"); | |
20263082 | 623 | |
cc377381 | 624 | r = sd_bus_add_match(m->bus, |
19befb2d | 625 | NULL, |
cc377381 LP |
626 | "type='signal'," |
627 | "sender='org.freedesktop.systemd1'," | |
628 | "interface='org.freedesktop.systemd1.Manager'," | |
629 | "member='JobRemoved'," | |
630 | "path='/org/freedesktop/systemd1'", | |
631 | match_job_removed, m); | |
f647962d MS |
632 | if (r < 0) |
633 | return log_error_errno(r, "Failed to add match for JobRemoved: %m"); | |
943aca8e | 634 | |
cc377381 | 635 | r = sd_bus_add_match(m->bus, |
19befb2d | 636 | NULL, |
cc377381 LP |
637 | "type='signal'," |
638 | "sender='org.freedesktop.systemd1'," | |
639 | "interface='org.freedesktop.systemd1.Manager'," | |
640 | "member='UnitRemoved'," | |
641 | "path='/org/freedesktop/systemd1'", | |
642 | match_unit_removed, m); | |
f647962d MS |
643 | if (r < 0) |
644 | return log_error_errno(r, "Failed to add match for UnitRemoved: %m"); | |
fb6becb4 | 645 | |
cc377381 | 646 | r = sd_bus_add_match(m->bus, |
19befb2d | 647 | NULL, |
cc377381 LP |
648 | "type='signal'," |
649 | "sender='org.freedesktop.systemd1'," | |
650 | "interface='org.freedesktop.DBus.Properties'," | |
651 | "member='PropertiesChanged'", | |
652 | match_properties_changed, m); | |
f647962d MS |
653 | if (r < 0) |
654 | return log_error_errno(r, "Failed to add match for PropertiesChanged: %m"); | |
fb6becb4 | 655 | |
cc377381 | 656 | r = sd_bus_add_match(m->bus, |
19befb2d | 657 | NULL, |
cc377381 LP |
658 | "type='signal'," |
659 | "sender='org.freedesktop.systemd1'," | |
660 | "interface='org.freedesktop.systemd1.Manager'," | |
661 | "member='Reloading'," | |
662 | "path='/org/freedesktop/systemd1'", | |
663 | match_reloading, m); | |
f647962d MS |
664 | if (r < 0) |
665 | return log_error_errno(r, "Failed to add match for Reloading: %m"); | |
6797c324 | 666 | |
cc377381 | 667 | r = sd_bus_call_method( |
fb6becb4 LP |
668 | m->bus, |
669 | "org.freedesktop.systemd1", | |
670 | "/org/freedesktop/systemd1", | |
671 | "org.freedesktop.systemd1.Manager", | |
672 | "Subscribe", | |
fb6becb4 | 673 | &error, |
cc377381 | 674 | NULL, NULL); |
fb6becb4 | 675 | if (r < 0) { |
cc377381 LP |
676 | log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); |
677 | return r; | |
20263082 LP |
678 | } |
679 | ||
5bb658a1 | 680 | r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0); |
f647962d MS |
681 | if (r < 0) |
682 | return log_error_errno(r, "Failed to register name: %m"); | |
bafd4449 | 683 | |
cc377381 | 684 | r = sd_bus_attach_event(m->bus, m->event, 0); |
f647962d MS |
685 | if (r < 0) |
686 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
20263082 | 687 | |
20263082 | 688 | return 0; |
20263082 LP |
689 | } |
690 | ||
92683ad2 DH |
691 | static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) { |
692 | Manager *m = data; | |
693 | Session *active, *iter; | |
694 | ||
695 | /* | |
696 | * We got a VT-switch signal and we have to acknowledge it immediately. | |
697 | * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately, | |
698 | * old user-space might run multiple sessions on a single VT, *sigh*. | |
699 | * Therefore, we have to iterate all sessions and find one with a vtfd | |
700 | * on the requested VT. | |
701 | * As only VTs with active controllers have VT_PROCESS set, our current | |
702 | * notion of the active VT might be wrong (for instance if the switch | |
703 | * happens while we setup VT_PROCESS). Therefore, read the current VT | |
704 | * first and then use s->active->vtnr as reference. Note that this is | |
705 | * not racy, as no further VT-switch can happen as long as we're in | |
706 | * synchronous VT_PROCESS mode. | |
707 | */ | |
708 | ||
709 | assert(m->seat0); | |
710 | seat_read_active_vt(m->seat0); | |
711 | ||
712 | active = m->seat0->active; | |
713 | if (!active || active->vtnr < 1) { | |
714 | log_warning("Received VT_PROCESS signal without a registered session on that VT."); | |
715 | return 0; | |
716 | } | |
717 | ||
718 | if (active->vtfd >= 0) { | |
2ec3ff66 | 719 | session_leave_vt(active); |
92683ad2 DH |
720 | } else { |
721 | LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) { | |
722 | if (iter->vtnr == active->vtnr && iter->vtfd >= 0) { | |
2ec3ff66 | 723 | session_leave_vt(iter); |
92683ad2 DH |
724 | break; |
725 | } | |
726 | } | |
727 | } | |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
20263082 | 732 | static int manager_connect_console(Manager *m) { |
cc377381 | 733 | int r; |
20263082 LP |
734 | |
735 | assert(m); | |
736 | assert(m->console_active_fd < 0); | |
737 | ||
74afee9c LP |
738 | /* On certain architectures (S390 and Xen, and containers), |
739 | /dev/tty0 does not exist, so don't fail if we can't open | |
740 | it. */ | |
cc377381 | 741 | if (access("/dev/tty0", F_OK) < 0) |
74afee9c | 742 | return 0; |
74afee9c | 743 | |
20263082 LP |
744 | m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); |
745 | if (m->console_active_fd < 0) { | |
cdc564d2 MS |
746 | |
747 | /* On some systems the device node /dev/tty0 may exist | |
748 | * even though /sys/class/tty/tty0 does not. */ | |
749 | if (errno == ENOENT) | |
750 | return 0; | |
751 | ||
56f64d95 | 752 | log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m"); |
20263082 LP |
753 | return -errno; |
754 | } | |
755 | ||
151b9b96 | 756 | r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m); |
cc377381 LP |
757 | if (r < 0) { |
758 | log_error("Failed to watch foreground console"); | |
759 | return r; | |
760 | } | |
20263082 | 761 | |
92683ad2 DH |
762 | /* |
763 | * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used | |
764 | * as VT-acquire signal. We ignore any acquire-events (yes, we still | |
765 | * have to provide a valid signal-number for it!) and acknowledge all | |
766 | * release events immediately. | |
767 | */ | |
768 | ||
769 | if (SIGRTMIN + 1 > SIGRTMAX) { | |
770 | log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX); | |
771 | return -EINVAL; | |
772 | } | |
773 | ||
72c0a2c2 LP |
774 | assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0); |
775 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0); | |
92683ad2 DH |
776 | |
777 | r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m); | |
778 | if (r < 0) | |
779 | return r; | |
780 | ||
20263082 LP |
781 | return 0; |
782 | } | |
783 | ||
784 | static int manager_connect_udev(Manager *m) { | |
14c3baca | 785 | int r; |
20263082 LP |
786 | |
787 | assert(m); | |
30ed21ce | 788 | assert(!m->udev_seat_monitor); |
718d006a | 789 | assert(!m->udev_device_monitor); |
30ed21ce | 790 | assert(!m->udev_vcsa_monitor); |
069cfc85 | 791 | assert(!m->udev_button_monitor); |
20263082 | 792 | |
30ed21ce LP |
793 | m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
794 | if (!m->udev_seat_monitor) | |
20263082 LP |
795 | return -ENOMEM; |
796 | ||
2d96536d | 797 | r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat"); |
14c3baca LP |
798 | if (r < 0) |
799 | return r; | |
20263082 | 800 | |
30ed21ce | 801 | r = udev_monitor_enable_receiving(m->udev_seat_monitor); |
14c3baca LP |
802 | if (r < 0) |
803 | return r; | |
20263082 | 804 | |
151b9b96 | 805 | 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 |
806 | if (r < 0) |
807 | return r; | |
069cfc85 | 808 | |
718d006a DH |
809 | m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
810 | if (!m->udev_device_monitor) | |
811 | return -ENOMEM; | |
812 | ||
813 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL); | |
814 | if (r < 0) | |
815 | return r; | |
816 | ||
817 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL); | |
818 | if (r < 0) | |
819 | return r; | |
820 | ||
821 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL); | |
822 | if (r < 0) | |
823 | return r; | |
824 | ||
825 | r = udev_monitor_enable_receiving(m->udev_device_monitor); | |
826 | if (r < 0) | |
827 | return r; | |
828 | ||
151b9b96 | 829 | 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 |
830 | if (r < 0) |
831 | return r; | |
718d006a | 832 | |
6de0e0e5 | 833 | /* Don't watch keys if nobody cares */ |
beaafb2e | 834 | if (m->handle_power_key != HANDLE_IGNORE || |
8e7fd6ad LP |
835 | m->handle_suspend_key != HANDLE_IGNORE || |
836 | m->handle_hibernate_key != HANDLE_IGNORE || | |
3c56cab4 BW |
837 | m->handle_lid_switch != HANDLE_IGNORE || |
838 | m->handle_lid_switch_docked != HANDLE_IGNORE) { | |
069cfc85 | 839 | |
6de0e0e5 LP |
840 | m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
841 | if (!m->udev_button_monitor) | |
842 | return -ENOMEM; | |
069cfc85 | 843 | |
6de0e0e5 LP |
844 | r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); |
845 | if (r < 0) | |
846 | return r; | |
069cfc85 | 847 | |
6de0e0e5 LP |
848 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); |
849 | if (r < 0) | |
850 | return r; | |
069cfc85 | 851 | |
6de0e0e5 LP |
852 | r = udev_monitor_enable_receiving(m->udev_button_monitor); |
853 | if (r < 0) | |
854 | return r; | |
069cfc85 | 855 | |
151b9b96 | 856 | 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 |
857 | if (r < 0) |
858 | return r; | |
6de0e0e5 | 859 | } |
069cfc85 | 860 | |
976c088a | 861 | /* Don't bother watching VCSA devices, if nobody cares */ |
6de0e0e5 | 862 | if (m->n_autovts > 0 && m->console_active_fd >= 0) { |
30ed21ce | 863 | |
6de0e0e5 LP |
864 | m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); |
865 | if (!m->udev_vcsa_monitor) | |
866 | return -ENOMEM; | |
30ed21ce | 867 | |
6de0e0e5 LP |
868 | r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); |
869 | if (r < 0) | |
870 | return r; | |
30ed21ce | 871 | |
6de0e0e5 LP |
872 | r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); |
873 | if (r < 0) | |
874 | return r; | |
30ed21ce | 875 | |
151b9b96 | 876 | 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 |
877 | if (r < 0) |
878 | return r; | |
6de0e0e5 | 879 | } |
20263082 LP |
880 | |
881 | return 0; | |
882 | } | |
883 | ||
905f0a39 | 884 | static void manager_gc(Manager *m, bool drop_not_started) { |
14c3baca LP |
885 | Seat *seat; |
886 | Session *session; | |
887 | User *user; | |
888 | ||
889 | assert(m); | |
890 | ||
891 | while ((seat = m->seat_gc_queue)) { | |
71fda00f | 892 | LIST_REMOVE(gc_queue, m->seat_gc_queue, seat); |
14c3baca LP |
893 | seat->in_gc_queue = false; |
894 | ||
cc377381 | 895 | if (!seat_check_gc(seat, drop_not_started)) { |
9bb69af4 | 896 | seat_stop(seat, false); |
14c3baca LP |
897 | seat_free(seat); |
898 | } | |
899 | } | |
900 | ||
901 | while ((session = m->session_gc_queue)) { | |
71fda00f | 902 | LIST_REMOVE(gc_queue, m->session_gc_queue, session); |
14c3baca LP |
903 | session->in_gc_queue = false; |
904 | ||
5f41d1f1 LP |
905 | /* First, if we are not closing yet, initiate stopping */ |
906 | if (!session_check_gc(session, drop_not_started) && | |
907 | session_get_state(session) != SESSION_CLOSING) | |
9bb69af4 | 908 | session_stop(session, false); |
5f41d1f1 LP |
909 | |
910 | /* Normally, this should make the session busy again, | |
911 | * if it doesn't then let's get rid of it | |
912 | * immediately */ | |
913 | if (!session_check_gc(session, drop_not_started)) { | |
405e0255 | 914 | session_finalize(session); |
14c3baca LP |
915 | session_free(session); |
916 | } | |
917 | } | |
918 | ||
919 | while ((user = m->user_gc_queue)) { | |
71fda00f | 920 | LIST_REMOVE(gc_queue, m->user_gc_queue, user); |
14c3baca LP |
921 | user->in_gc_queue = false; |
922 | ||
b58b227a DH |
923 | /* First step: queue stop jobs */ |
924 | if (!user_check_gc(user, drop_not_started)) | |
9bb69af4 | 925 | user_stop(user, false); |
5f41d1f1 | 926 | |
b58b227a | 927 | /* Second step: finalize user */ |
5f41d1f1 | 928 | if (!user_check_gc(user, drop_not_started)) { |
405e0255 | 929 | user_finalize(user); |
14c3baca LP |
930 | user_free(user); |
931 | } | |
932 | } | |
933 | } | |
934 | ||
cc377381 LP |
935 | static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) { |
936 | Manager *m = userdata; | |
23406ce5 | 937 | struct dual_timestamp since; |
cc377381 | 938 | usec_t n, elapse; |
23406ce5 | 939 | int r; |
23406ce5 LP |
940 | |
941 | assert(m); | |
942 | ||
943 | if (m->idle_action == HANDLE_IGNORE || | |
cc377381 LP |
944 | m->idle_action_usec <= 0) |
945 | return 0; | |
23406ce5 | 946 | |
23406ce5 LP |
947 | n = now(CLOCK_MONOTONIC); |
948 | ||
949 | r = manager_get_idle_hint(m, &since); | |
950 | if (r <= 0) | |
39ccc87c | 951 | /* Not idle. Let's check if after a timeout it might be idle then. */ |
cc377381 | 952 | elapse = n + m->idle_action_usec; |
23406ce5 LP |
953 | else { |
954 | /* Idle! Let's see if it's time to do something, or if | |
955 | * we shall sleep for longer. */ | |
956 | ||
957 | if (n >= since.monotonic + m->idle_action_usec && | |
958 | (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) { | |
959 | log_info("System idle. Taking action."); | |
960 | ||
961 | manager_handle_action(m, 0, m->idle_action, false, false); | |
962 | m->idle_action_not_before_usec = n; | |
963 | } | |
964 | ||
cc377381 | 965 | elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec; |
23406ce5 LP |
966 | } |
967 | ||
cc377381 | 968 | if (!m->idle_action_event_source) { |
23406ce5 | 969 | |
6a0f1f6d LP |
970 | r = sd_event_add_time( |
971 | m->event, | |
972 | &m->idle_action_event_source, | |
973 | CLOCK_MONOTONIC, | |
974 | elapse, USEC_PER_SEC*30, | |
975 | manager_dispatch_idle_action, m); | |
f647962d MS |
976 | if (r < 0) |
977 | return log_error_errno(r, "Failed to add idle event source: %m"); | |
23406ce5 | 978 | |
718db961 | 979 | r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10); |
f647962d MS |
980 | if (r < 0) |
981 | return log_error_errno(r, "Failed to set idle event source priority: %m"); | |
cc377381 LP |
982 | } else { |
983 | r = sd_event_source_set_time(m->idle_action_event_source, elapse); | |
f647962d MS |
984 | if (r < 0) |
985 | return log_error_errno(r, "Failed to set idle event timer: %m"); | |
23406ce5 | 986 | |
cc377381 | 987 | r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT); |
f647962d MS |
988 | if (r < 0) |
989 | return log_error_errno(r, "Failed to enable idle event timer: %m"); | |
23406ce5 LP |
990 | } |
991 | ||
992 | return 0; | |
23406ce5 | 993 | } |
cc377381 | 994 | |
905f0a39 | 995 | static int manager_startup(Manager *m) { |
20263082 | 996 | int r; |
14c3baca LP |
997 | Seat *seat; |
998 | Session *session; | |
999 | User *user; | |
ed4ba7e4 | 1000 | Button *button; |
f8e2fb7b | 1001 | Inhibitor *inhibitor; |
14c3baca | 1002 | Iterator i; |
20263082 LP |
1003 | |
1004 | assert(m); | |
20263082 | 1005 | |
976c088a LP |
1006 | /* Connect to console */ |
1007 | r = manager_connect_console(m); | |
20263082 LP |
1008 | if (r < 0) |
1009 | return r; | |
1010 | ||
976c088a LP |
1011 | /* Connect to udev */ |
1012 | r = manager_connect_udev(m); | |
f647962d MS |
1013 | if (r < 0) |
1014 | return log_error_errno(r, "Failed to create udev watchers: %m"); | |
20263082 LP |
1015 | |
1016 | /* Connect to the bus */ | |
1017 | r = manager_connect_bus(m); | |
1018 | if (r < 0) | |
1019 | return r; | |
1020 | ||
14c3baca | 1021 | /* Instantiate magic seat 0 */ |
92432fcc | 1022 | r = manager_add_seat(m, "seat0", &m->seat0); |
f647962d MS |
1023 | if (r < 0) |
1024 | return log_error_errno(r, "Failed to add seat0: %m"); | |
14c3baca | 1025 | |
9d10cbee | 1026 | r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec); |
f9cd6be1 | 1027 | if (r < 0) |
da927ba9 | 1028 | log_warning_errno(r, "Failed to set up lid switch ignore event source: %m"); |
f9cd6be1 | 1029 | |
20263082 | 1030 | /* Deserialize state */ |
042f5988 ZJS |
1031 | r = manager_enumerate_devices(m); |
1032 | if (r < 0) | |
da927ba9 | 1033 | log_warning_errno(r, "Device enumeration failed: %m"); |
042f5988 ZJS |
1034 | |
1035 | r = manager_enumerate_seats(m); | |
1036 | if (r < 0) | |
da927ba9 | 1037 | log_warning_errno(r, "Seat enumeration failed: %m"); |
042f5988 ZJS |
1038 | |
1039 | r = manager_enumerate_users(m); | |
1040 | if (r < 0) | |
da927ba9 | 1041 | log_warning_errno(r, "User enumeration failed: %m"); |
042f5988 ZJS |
1042 | |
1043 | r = manager_enumerate_sessions(m); | |
1044 | if (r < 0) | |
da927ba9 | 1045 | log_warning_errno(r, "Session enumeration failed: %m"); |
042f5988 ZJS |
1046 | |
1047 | r = manager_enumerate_inhibitors(m); | |
1048 | if (r < 0) | |
da927ba9 | 1049 | log_warning_errno(r, "Inhibitor enumeration failed: %m"); |
042f5988 ZJS |
1050 | |
1051 | r = manager_enumerate_buttons(m); | |
1052 | if (r < 0) | |
da927ba9 | 1053 | log_warning_errno(r, "Button enumeration failed: %m"); |
20263082 | 1054 | |
4a4b033f LP |
1055 | /* Remove stale objects before we start them */ |
1056 | manager_gc(m, false); | |
1057 | ||
98a77df5 LP |
1058 | /* Reserve the special reserved VT */ |
1059 | manager_reserve_vt(m); | |
1060 | ||
14c3baca LP |
1061 | /* And start everything */ |
1062 | HASHMAP_FOREACH(seat, m->seats, i) | |
1063 | seat_start(seat); | |
1064 | ||
1065 | HASHMAP_FOREACH(user, m->users, i) | |
1066 | user_start(user); | |
1067 | ||
1068 | HASHMAP_FOREACH(session, m->sessions, i) | |
1069 | session_start(session); | |
20263082 | 1070 | |
f8e2fb7b LP |
1071 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) |
1072 | inhibitor_start(inhibitor); | |
1073 | ||
ed4ba7e4 | 1074 | HASHMAP_FOREACH(button, m->buttons, i) |
2d62c530 | 1075 | button_check_switches(button); |
ed4ba7e4 | 1076 | |
cc377381 | 1077 | manager_dispatch_idle_action(NULL, 0, m); |
23406ce5 | 1078 | |
20263082 LP |
1079 | return 0; |
1080 | } | |
1081 | ||
905f0a39 | 1082 | static int manager_run(Manager *m) { |
cc377381 LP |
1083 | int r; |
1084 | ||
20263082 LP |
1085 | assert(m); |
1086 | ||
1087 | for (;;) { | |
cc377381 LP |
1088 | r = sd_event_get_state(m->event); |
1089 | if (r < 0) | |
1090 | return r; | |
1091 | if (r == SD_EVENT_FINISHED) | |
1092 | return 0; | |
20263082 | 1093 | |
4a4b033f | 1094 | manager_gc(m, true); |
14c3baca | 1095 | |
418b22b8 DM |
1096 | r = manager_dispatch_delayed(m, false); |
1097 | if (r < 0) | |
1098 | return r; | |
1099 | if (r > 0) | |
1100 | continue; | |
1101 | ||
c0f32805 | 1102 | r = sd_event_run(m->event, (uint64_t) -1); |
cc377381 LP |
1103 | if (r < 0) |
1104 | return r; | |
20263082 | 1105 | } |
20263082 LP |
1106 | } |
1107 | ||
193197e8 | 1108 | static int manager_parse_config_file(Manager *m) { |
193197e8 LP |
1109 | assert(m); |
1110 | ||
e8461023 JT |
1111 | return config_parse_many("/etc/systemd/logind.conf", |
1112 | CONF_DIRS_NULSTR("systemd/logind.conf"), | |
1113 | "Login\0", | |
1114 | config_item_perf_lookup, logind_gperf_lookup, | |
1115 | false, m); | |
193197e8 LP |
1116 | } |
1117 | ||
20263082 LP |
1118 | int main(int argc, char *argv[]) { |
1119 | Manager *m = NULL; | |
5eda94dd | 1120 | int r; |
20263082 LP |
1121 | |
1122 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 1123 | log_set_facility(LOG_AUTH); |
20263082 LP |
1124 | log_parse_environment(); |
1125 | log_open(); | |
1126 | ||
4c12626c LP |
1127 | umask(0022); |
1128 | ||
20263082 LP |
1129 | if (argc != 1) { |
1130 | log_error("This program takes no arguments."); | |
1131 | r = -EINVAL; | |
1132 | goto finish; | |
1133 | } | |
1134 | ||
bb27ff66 LP |
1135 | /* Always create the directories people can create inotify |
1136 | * watches in. Note that some applications might check for the | |
ab06eef8 | 1137 | * existence of /run/systemd/seats/ to determine whether |
bb27ff66 LP |
1138 | * logind is available, so please always make sure this check |
1139 | * stays in. */ | |
1140 | mkdir_label("/run/systemd/seats", 0755); | |
1141 | mkdir_label("/run/systemd/users", 0755); | |
1142 | mkdir_label("/run/systemd/sessions", 0755); | |
1143 | ||
20263082 LP |
1144 | m = manager_new(); |
1145 | if (!m) { | |
0d0f0c50 | 1146 | r = log_oom(); |
20263082 LP |
1147 | goto finish; |
1148 | } | |
1149 | ||
193197e8 LP |
1150 | manager_parse_config_file(m); |
1151 | ||
20263082 LP |
1152 | r = manager_startup(m); |
1153 | if (r < 0) { | |
da927ba9 | 1154 | log_error_errno(r, "Failed to fully start up daemon: %m"); |
20263082 LP |
1155 | goto finish; |
1156 | } | |
1157 | ||
de0671ee | 1158 | log_debug("systemd-logind running as pid "PID_FMT, getpid()); |
e6960940 LP |
1159 | |
1160 | sd_notify(false, | |
1161 | "READY=1\n" | |
1162 | "STATUS=Processing requests..."); | |
1163 | ||
20263082 LP |
1164 | r = manager_run(m); |
1165 | ||
de0671ee | 1166 | log_debug("systemd-logind stopped as pid "PID_FMT, getpid()); |
e6960940 | 1167 | |
20263082 | 1168 | finish: |
e6960940 | 1169 | sd_notify(false, |
af4ec430 | 1170 | "STOPPING=1\n" |
e6960940 LP |
1171 | "STATUS=Shutting down..."); |
1172 | ||
20263082 LP |
1173 | if (m) |
1174 | manager_free(m); | |
1175 | ||
1176 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1177 | } |