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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 | |
b4bbcaa9 | 27 | #include "libudev.h" |
cc377381 | 28 | #include "sd-daemon.h" |
07630cea | 29 | |
b5efdb8a | 30 | #include "alloc-util.h" |
cc377381 | 31 | #include "bus-error.h" |
07630cea LP |
32 | #include "bus-util.h" |
33 | #include "conf-parser.h" | |
a0f29c76 | 34 | #include "def.h" |
a0956174 | 35 | #include "dirent-util.h" |
3ffd4af2 | 36 | #include "fd-util.h" |
6482f626 | 37 | #include "formats-util.h" |
3ffd4af2 | 38 | #include "logind.h" |
24882e06 | 39 | #include "signal-util.h" |
07630cea LP |
40 | #include "strv.h" |
41 | #include "udev-util.h" | |
20263082 | 42 | |
905f0a39 DM |
43 | static void manager_free(Manager *m); |
44 | ||
45 | static Manager *manager_new(void) { | |
20263082 | 46 | Manager *m; |
cc377381 | 47 | int r; |
20263082 LP |
48 | |
49 | m = new0(Manager, 1); | |
50 | if (!m) | |
51 | return NULL; | |
52 | ||
53 | m->console_active_fd = -1; | |
98a77df5 | 54 | m->reserve_vt_fd = -1; |
069cfc85 | 55 | |
20263082 | 56 | m->n_autovts = 6; |
98a77df5 | 57 | m->reserve_vt = 6; |
66cdd0f2 | 58 | m->remove_ipc = true; |
eecd1362 | 59 | m->inhibit_delay_max = 5 * USEC_PER_SEC; |
beaafb2e | 60 | m->handle_power_key = HANDLE_POWEROFF; |
8e7fd6ad LP |
61 | m->handle_suspend_key = HANDLE_SUSPEND; |
62 | m->handle_hibernate_key = HANDLE_HIBERNATE; | |
beaafb2e | 63 | m->handle_lid_switch = HANDLE_SUSPEND; |
3c56cab4 | 64 | m->handle_lid_switch_docked = HANDLE_IGNORE; |
beaafb2e | 65 | m->lid_switch_ignore_inhibited = true; |
9d10cbee | 66 | m->holdoff_timeout_usec = 30 * USEC_PER_SEC; |
20263082 | 67 | |
23406ce5 LP |
68 | m->idle_action_usec = 30 * USEC_PER_MINUTE; |
69 | m->idle_action = HANDLE_IGNORE; | |
70 | m->idle_action_not_before_usec = now(CLOCK_MONOTONIC); | |
71 | ||
1c231f56 | 72 | m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */ |
a5bc6e54 | 73 | m->user_tasks_max = UINT64_C(4096); |
1c231f56 | 74 | |
d5099efc MS |
75 | m->devices = hashmap_new(&string_hash_ops); |
76 | m->seats = hashmap_new(&string_hash_ops); | |
77 | m->sessions = hashmap_new(&string_hash_ops); | |
78 | m->users = hashmap_new(NULL); | |
79 | m->inhibitors = hashmap_new(&string_hash_ops); | |
80 | m->buttons = hashmap_new(&string_hash_ops); | |
f8e2fb7b | 81 | |
d5099efc MS |
82 | m->user_units = hashmap_new(&string_hash_ops); |
83 | m->session_units = hashmap_new(&string_hash_ops); | |
8c8c4351 | 84 | |
3cde9e8f | 85 | if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units) |
ed4ba7e4 | 86 | goto fail; |
25d93491 | 87 | |
25d93491 | 88 | m->kill_exclude_users = strv_new("root", NULL); |
ed4ba7e4 LP |
89 | if (!m->kill_exclude_users) |
90 | goto fail; | |
20263082 LP |
91 | |
92 | m->udev = udev_new(); | |
ed4ba7e4 LP |
93 | if (!m->udev) |
94 | goto fail; | |
20263082 | 95 | |
afc6adb5 | 96 | r = sd_event_default(&m->event); |
ed4ba7e4 LP |
97 | if (r < 0) |
98 | goto fail; | |
cc377381 | 99 | |
cde93897 LP |
100 | sd_event_set_watchdog(m->event, true); |
101 | ||
20263082 | 102 | return m; |
ed4ba7e4 LP |
103 | |
104 | fail: | |
105 | manager_free(m); | |
106 | return NULL; | |
20263082 LP |
107 | } |
108 | ||
905f0a39 | 109 | static void manager_free(Manager *m) { |
20263082 LP |
110 | Session *session; |
111 | User *u; | |
112 | Device *d; | |
113 | Seat *s; | |
f8e2fb7b | 114 | Inhibitor *i; |
069cfc85 | 115 | Button *b; |
20263082 LP |
116 | |
117 | assert(m); | |
118 | ||
119 | while ((session = hashmap_first(m->sessions))) | |
120 | session_free(session); | |
121 | ||
122 | while ((u = hashmap_first(m->users))) | |
123 | user_free(u); | |
124 | ||
125 | while ((d = hashmap_first(m->devices))) | |
126 | device_free(d); | |
127 | ||
128 | while ((s = hashmap_first(m->seats))) | |
129 | seat_free(s); | |
130 | ||
f8e2fb7b LP |
131 | while ((i = hashmap_first(m->inhibitors))) |
132 | inhibitor_free(i); | |
133 | ||
069cfc85 LP |
134 | while ((b = hashmap_first(m->buttons))) |
135 | button_free(b); | |
136 | ||
20263082 LP |
137 | hashmap_free(m->devices); |
138 | hashmap_free(m->seats); | |
f8e2fb7b LP |
139 | hashmap_free(m->sessions); |
140 | hashmap_free(m->users); | |
141 | hashmap_free(m->inhibitors); | |
069cfc85 | 142 | hashmap_free(m->buttons); |
f8e2fb7b | 143 | |
fb6becb4 LP |
144 | hashmap_free(m->user_units); |
145 | hashmap_free(m->session_units); | |
8c8c4351 | 146 | |
cc377381 | 147 | sd_event_source_unref(m->idle_action_event_source); |
c0f32805 | 148 | sd_event_source_unref(m->inhibit_timeout_source); |
8aaa023a | 149 | sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
867c37f6 | 150 | sd_event_source_unref(m->nologin_timeout_source); |
e2fa5721 | 151 | sd_event_source_unref(m->wall_message_timeout_source); |
cc377381 LP |
152 | |
153 | sd_event_source_unref(m->console_active_event_source); | |
154 | sd_event_source_unref(m->udev_seat_event_source); | |
155 | sd_event_source_unref(m->udev_device_event_source); | |
156 | sd_event_source_unref(m->udev_vcsa_event_source); | |
157 | sd_event_source_unref(m->udev_button_event_source); | |
f9cd6be1 | 158 | sd_event_source_unref(m->lid_switch_ignore_event_source); |
20263082 | 159 | |
03e334a1 | 160 | safe_close(m->console_active_fd); |
20263082 | 161 | |
3e044c49 ME |
162 | udev_monitor_unref(m->udev_seat_monitor); |
163 | udev_monitor_unref(m->udev_device_monitor); | |
164 | udev_monitor_unref(m->udev_vcsa_monitor); | |
165 | udev_monitor_unref(m->udev_button_monitor); | |
166 | ||
167 | udev_unref(m->udev); | |
20263082 | 168 | |
867c37f6 | 169 | if (m->unlink_nologin) |
a790812c | 170 | (void) unlink("/run/nologin"); |
867c37f6 | 171 | |
36e34057 | 172 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
20263082 | 173 | |
cc377381 LP |
174 | sd_bus_unref(m->bus); |
175 | sd_event_unref(m->event); | |
20263082 | 176 | |
03e334a1 | 177 | safe_close(m->reserve_vt_fd); |
98a77df5 | 178 | |
193197e8 LP |
179 | strv_free(m->kill_only_users); |
180 | strv_free(m->kill_exclude_users); | |
181 | ||
8aaa023a | 182 | free(m->scheduled_shutdown_type); |
e2fa5721 DM |
183 | free(m->scheduled_shutdown_tty); |
184 | free(m->wall_message); | |
af9792ac | 185 | free(m->action_job); |
20263082 LP |
186 | free(m); |
187 | } | |
188 | ||
9588bc32 | 189 | static int manager_enumerate_devices(Manager *m) { |
20263082 | 190 | struct udev_list_entry *item = NULL, *first = NULL; |
bf5332d2 | 191 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
14c3baca | 192 | int r; |
20263082 LP |
193 | |
194 | assert(m); | |
195 | ||
196 | /* Loads devices from udev and creates seats for them as | |
197 | * necessary */ | |
198 | ||
199 | e = udev_enumerate_new(m->udev); | |
bf5332d2 LP |
200 | if (!e) |
201 | return -ENOMEM; | |
20263082 | 202 | |
2d96536d | 203 | r = udev_enumerate_add_match_tag(e, "master-of-seat"); |
14c3baca | 204 | if (r < 0) |
bf5332d2 | 205 | return r; |
20263082 | 206 | |
e1202047 LP |
207 | r = udev_enumerate_add_match_is_initialized(e); |
208 | if (r < 0) | |
209 | return r; | |
210 | ||
14c3baca LP |
211 | r = udev_enumerate_scan_devices(e); |
212 | if (r < 0) | |
bf5332d2 | 213 | return r; |
20263082 LP |
214 | |
215 | first = udev_enumerate_get_list_entry(e); | |
216 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 217 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
20263082 LP |
218 | int k; |
219 | ||
220 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
221 | if (!d) |
222 | return -ENOMEM; | |
20263082 | 223 | |
bf5332d2 | 224 | k = manager_process_seat_device(m, d); |
20263082 LP |
225 | if (k < 0) |
226 | r = k; | |
227 | } | |
228 | ||
20263082 LP |
229 | return r; |
230 | } | |
231 | ||
9588bc32 | 232 | static int manager_enumerate_buttons(Manager *m) { |
bf5332d2 | 233 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
069cfc85 | 234 | struct udev_list_entry *item = NULL, *first = NULL; |
069cfc85 LP |
235 | int r; |
236 | ||
237 | assert(m); | |
238 | ||
239 | /* Loads buttons from udev */ | |
240 | ||
beaafb2e | 241 | if (m->handle_power_key == HANDLE_IGNORE && |
8e7fd6ad LP |
242 | m->handle_suspend_key == HANDLE_IGNORE && |
243 | m->handle_hibernate_key == HANDLE_IGNORE && | |
3c56cab4 BW |
244 | m->handle_lid_switch == HANDLE_IGNORE && |
245 | m->handle_lid_switch_docked == HANDLE_IGNORE) | |
6de0e0e5 LP |
246 | return 0; |
247 | ||
069cfc85 | 248 | e = udev_enumerate_new(m->udev); |
bf5332d2 LP |
249 | if (!e) |
250 | return -ENOMEM; | |
069cfc85 LP |
251 | |
252 | r = udev_enumerate_add_match_subsystem(e, "input"); | |
253 | if (r < 0) | |
bf5332d2 | 254 | return r; |
069cfc85 LP |
255 | |
256 | r = udev_enumerate_add_match_tag(e, "power-switch"); | |
257 | if (r < 0) | |
bf5332d2 | 258 | return r; |
069cfc85 | 259 | |
e1202047 LP |
260 | r = udev_enumerate_add_match_is_initialized(e); |
261 | if (r < 0) | |
262 | return r; | |
263 | ||
069cfc85 LP |
264 | r = udev_enumerate_scan_devices(e); |
265 | if (r < 0) | |
bf5332d2 | 266 | return r; |
069cfc85 LP |
267 | |
268 | first = udev_enumerate_get_list_entry(e); | |
269 | udev_list_entry_foreach(item, first) { | |
bf5332d2 | 270 | _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
069cfc85 LP |
271 | int k; |
272 | ||
273 | d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); | |
bf5332d2 LP |
274 | if (!d) |
275 | return -ENOMEM; | |
069cfc85 | 276 | |
bf5332d2 | 277 | k = manager_process_button_device(m, d); |
069cfc85 LP |
278 | if (k < 0) |
279 | r = k; | |
280 | } | |
281 | ||
069cfc85 LP |
282 | return r; |
283 | } | |
284 | ||
9588bc32 | 285 | static int manager_enumerate_seats(Manager *m) { |
9444b1f2 | 286 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
287 | struct dirent *de; |
288 | int r = 0; | |
289 | ||
290 | assert(m); | |
291 | ||
292 | /* This loads data about seats stored on disk, but does not | |
293 | * actually create any seats. Removes data of seats that no | |
294 | * longer exist. */ | |
295 | ||
296 | d = opendir("/run/systemd/seats"); | |
297 | if (!d) { | |
298 | if (errno == ENOENT) | |
299 | return 0; | |
300 | ||
e1427b13 | 301 | return log_error_errno(errno, "Failed to open /run/systemd/seats: %m"); |
20263082 LP |
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 | ||
e1427b13 | 337 | return log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m"); |
14c3baca LP |
338 | } |
339 | ||
9444b1f2 | 340 | FOREACH_DIRENT(de, d, return -errno) { |
14c3baca LP |
341 | int k; |
342 | ||
343 | if (!dirent_is_file(de)) | |
20263082 LP |
344 | continue; |
345 | ||
14c3baca LP |
346 | k = manager_add_user_by_name(m, de->d_name, NULL); |
347 | if (k < 0) { | |
da927ba9 | 348 | log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name); |
14c3baca | 349 | r = k; |
20263082 LP |
350 | } |
351 | } | |
352 | ||
20263082 LP |
353 | return r; |
354 | } | |
355 | ||
9588bc32 | 356 | static int manager_enumerate_users(Manager *m) { |
9444b1f2 | 357 | _cleanup_closedir_ DIR *d = NULL; |
20263082 | 358 | struct dirent *de; |
14c3baca | 359 | int r, k; |
20263082 LP |
360 | |
361 | assert(m); | |
362 | ||
9444b1f2 | 363 | /* Add lingering users */ |
b3629c7d | 364 | r = manager_enumerate_linger_users(m); |
14c3baca | 365 | |
9444b1f2 | 366 | /* Read in user data stored on disk */ |
20263082 LP |
367 | d = opendir("/run/systemd/users"); |
368 | if (!d) { | |
369 | if (errno == ENOENT) | |
370 | return 0; | |
371 | ||
e1427b13 | 372 | return log_error_errno(errno, "Failed to open /run/systemd/users: %m"); |
20263082 LP |
373 | } |
374 | ||
9444b1f2 | 375 | FOREACH_DIRENT(de, d, return -errno) { |
20263082 | 376 | User *u; |
20263082 LP |
377 | |
378 | if (!dirent_is_file(de)) | |
379 | continue; | |
380 | ||
9444b1f2 | 381 | k = manager_add_user_by_name(m, de->d_name, &u); |
20263082 | 382 | if (k < 0) { |
da927ba9 | 383 | log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name); |
20263082 | 384 | |
9444b1f2 | 385 | r = k; |
20263082 LP |
386 | continue; |
387 | } | |
388 | ||
9444b1f2 LP |
389 | user_add_to_gc_queue(u); |
390 | ||
20263082 LP |
391 | k = user_load(u); |
392 | if (k < 0) | |
393 | r = k; | |
394 | } | |
395 | ||
20263082 LP |
396 | return r; |
397 | } | |
398 | ||
9588bc32 | 399 | static int manager_enumerate_sessions(Manager *m) { |
9444b1f2 LP |
400 | _cleanup_closedir_ DIR *d = NULL; |
401 | struct dirent *de; | |
20263082 LP |
402 | int r = 0; |
403 | ||
9444b1f2 LP |
404 | assert(m); |
405 | ||
406 | /* Read in session data stored on disk */ | |
407 | d = opendir("/run/systemd/sessions"); | |
408 | if (!d) { | |
409 | if (errno == ENOENT) | |
410 | return 0; | |
411 | ||
e1427b13 | 412 | return log_error_errno(errno, "Failed to open /run/systemd/sessions: %m"); |
9444b1f2 LP |
413 | } |
414 | ||
415 | FOREACH_DIRENT(de, d, return -errno) { | |
416 | struct Session *s; | |
20263082 LP |
417 | int k; |
418 | ||
9444b1f2 | 419 | if (!dirent_is_file(de)) |
14c3baca LP |
420 | continue; |
421 | ||
4b549144 ZJS |
422 | if (!session_id_valid(de->d_name)) { |
423 | log_warning("Invalid session file name '%s', ignoring.", de->d_name); | |
424 | r = -EINVAL; | |
425 | continue; | |
426 | } | |
427 | ||
9444b1f2 | 428 | k = manager_add_session(m, de->d_name, &s); |
20263082 | 429 | if (k < 0) { |
da927ba9 | 430 | log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name); |
20263082 | 431 | |
20263082 LP |
432 | r = k; |
433 | continue; | |
434 | } | |
435 | ||
9444b1f2 | 436 | session_add_to_gc_queue(s); |
20263082 | 437 | |
9444b1f2 | 438 | k = session_load(s); |
20263082 LP |
439 | if (k < 0) |
440 | r = k; | |
441 | } | |
442 | ||
443 | return r; | |
444 | } | |
445 | ||
9588bc32 | 446 | static int manager_enumerate_inhibitors(Manager *m) { |
9444b1f2 | 447 | _cleanup_closedir_ DIR *d = NULL; |
20263082 LP |
448 | struct dirent *de; |
449 | int r = 0; | |
450 | ||
451 | assert(m); | |
452 | ||
9444b1f2 | 453 | d = opendir("/run/systemd/inhibit"); |
20263082 LP |
454 | if (!d) { |
455 | if (errno == ENOENT) | |
456 | return 0; | |
457 | ||
e1427b13 | 458 | return log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m"); |
20263082 LP |
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 | ||
e1427b13 | 748 | return log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m"); |
20263082 LP |
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 | ||
75eb6154 LP |
1106 | return config_parse_many(PKGSYSCONFDIR "/logind.conf", |
1107 | CONF_PATHS_NULSTR("systemd/logind.conf.d"), | |
e8461023 JT |
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 | } |