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