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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3f49d45a | 2 | |
a185c5aa | 3 | #include <errno.h> |
4f5dd394 | 4 | #include <pwd.h> |
a185c5aa | 5 | #include <string.h> |
98a28fef | 6 | #include <unistd.h> |
a185c5aa | 7 | |
4f209af7 | 8 | #include "sd-device.h" |
cc377381 | 9 | #include "sd-messages.h" |
4f5dd394 | 10 | |
b5efdb8a | 11 | #include "alloc-util.h" |
430f0182 | 12 | #include "audit-util.h" |
31b221cf | 13 | #include "bootspec.h" |
96aad8d1 | 14 | #include "bus-common-errors.h" |
4f5dd394 | 15 | #include "bus-error.h" |
c8c8ee85 | 16 | #include "bus-unit-util.h" |
4f5dd394 | 17 | #include "bus-util.h" |
75100aeb | 18 | #include "cgroup-util.h" |
8437c059 | 19 | #include "device-util.h" |
a0956174 | 20 | #include "dirent-util.h" |
5bdf2243 | 21 | #include "efivars.h" |
e667266a | 22 | #include "env-util.h" |
4f5dd394 | 23 | #include "escape.h" |
3ffd4af2 | 24 | #include "fd-util.h" |
4f5dd394 | 25 | #include "fileio-label.h" |
ee228be1 | 26 | #include "fileio.h" |
f97b34a6 | 27 | #include "format-util.h" |
f4f15635 | 28 | #include "fs-util.h" |
4f5dd394 | 29 | #include "logind.h" |
36dd5ffd | 30 | #include "missing_capability.h" |
4f5dd394 | 31 | #include "mkdir.h" |
31b221cf | 32 | #include "parse-util.h" |
4f5dd394 | 33 | #include "path-util.h" |
0b452006 | 34 | #include "process-util.h" |
4f5dd394 LP |
35 | #include "selinux-util.h" |
36 | #include "sleep-config.h" | |
37 | #include "special.h" | |
31b221cf | 38 | #include "stdio-util.h" |
4f5dd394 | 39 | #include "strv.h" |
288a74cc | 40 | #include "terminal-util.h" |
e4de7287 | 41 | #include "tmpfile-util.h" |
4f5dd394 | 42 | #include "unit-name.h" |
b1d4f8e1 | 43 | #include "user-util.h" |
e2fa5721 | 44 | #include "utmp-wtmp.h" |
3f49d45a | 45 | |
aeb07570 AJ |
46 | static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) { |
47 | ||
4afd3348 | 48 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
aeb07570 | 49 | const char *name; |
309a29df LP |
50 | Session *session; |
51 | int r; | |
52 | ||
7b33c622 AJ |
53 | /* Get client login session. This is not what you are looking for these days, |
54 | * as apps may instead belong to a user service unit. This includes terminal | |
55 | * emulators and hence command-line apps. */ | |
aeb07570 AJ |
56 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); |
57 | if (r < 0) | |
58 | return r; | |
59 | ||
60 | r = sd_bus_creds_get_session(creds, &name); | |
61 | if (r == -ENXIO) | |
62 | goto err_no_session; | |
63 | if (r < 0) | |
64 | return r; | |
65 | ||
66 | session = hashmap_get(m->sessions, name); | |
67 | if (!session) | |
68 | goto err_no_session; | |
69 | ||
70 | *ret = session; | |
71 | return 0; | |
72 | ||
73 | err_no_session: | |
74 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
75 | "Caller does not belong to any known session"); | |
76 | } | |
77 | ||
78 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { | |
79 | Session *session; | |
80 | ||
309a29df LP |
81 | assert(m); |
82 | assert(message); | |
83 | assert(ret); | |
84 | ||
aeb07570 AJ |
85 | if (isempty(name)) |
86 | return get_sender_session(m, message, error, ret); | |
309a29df LP |
87 | |
88 | session = hashmap_get(m->sessions, name); | |
89 | if (!session) | |
90 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
91 | ||
92 | *ret = session; | |
93 | return 0; | |
94 | } | |
95 | ||
aeb07570 AJ |
96 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
97 | ||
98 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
99 | uid_t uid; | |
309a29df LP |
100 | User *user; |
101 | int r; | |
102 | ||
aeb07570 AJ |
103 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
104 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
105 | if (r < 0) | |
106 | return r; | |
107 | ||
108 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
109 | if (r == -ENXIO) | |
110 | goto err_no_user; | |
111 | if (r < 0) | |
112 | return r; | |
113 | ||
114 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
115 | if (!user) | |
116 | goto err_no_user; | |
117 | ||
118 | *ret = user; | |
119 | return 0; | |
120 | ||
121 | err_no_user: | |
095b8833 | 122 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user"); |
aeb07570 AJ |
123 | } |
124 | ||
125 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
126 | User *user; | |
127 | ||
309a29df LP |
128 | assert(m); |
129 | assert(message); | |
130 | assert(ret); | |
131 | ||
aeb07570 AJ |
132 | if (!uid_is_valid(uid)) |
133 | return get_sender_user(m, message, error, ret); | |
309a29df | 134 | |
8cb4ab00 | 135 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 136 | if (!user) |
095b8833 | 137 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid); |
309a29df LP |
138 | |
139 | *ret = user; | |
140 | return 0; | |
141 | } | |
142 | ||
143 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
144 | Seat *seat; | |
145 | int r; | |
146 | ||
147 | assert(m); | |
148 | assert(message); | |
149 | assert(ret); | |
150 | ||
151 | if (isempty(name)) { | |
152 | Session *session; | |
153 | ||
154 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
155 | if (r < 0) | |
156 | return r; | |
157 | ||
158 | seat = session->seat; | |
309a29df LP |
159 | if (!seat) |
160 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
161 | } else { | |
162 | seat = hashmap_get(m->seats, name); | |
163 | if (!seat) | |
164 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
165 | } | |
166 | ||
167 | *ret = seat; | |
168 | return 0; | |
169 | } | |
170 | ||
cc377381 LP |
171 | static int property_get_idle_hint( |
172 | sd_bus *bus, | |
173 | const char *path, | |
174 | const char *interface, | |
175 | const char *property, | |
176 | sd_bus_message *reply, | |
ebcf1f97 LP |
177 | void *userdata, |
178 | sd_bus_error *error) { | |
a185c5aa | 179 | |
cc377381 | 180 | Manager *m = userdata; |
a185c5aa | 181 | |
cc377381 LP |
182 | assert(bus); |
183 | assert(reply); | |
184 | assert(m); | |
185 | ||
186 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
187 | } |
188 | ||
cc377381 LP |
189 | static int property_get_idle_since_hint( |
190 | sd_bus *bus, | |
191 | const char *path, | |
192 | const char *interface, | |
193 | const char *property, | |
194 | sd_bus_message *reply, | |
ebcf1f97 LP |
195 | void *userdata, |
196 | sd_bus_error *error) { | |
cc377381 LP |
197 | |
198 | Manager *m = userdata; | |
5cb14b37 | 199 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 200 | |
cc377381 LP |
201 | assert(bus); |
202 | assert(reply); | |
a185c5aa LP |
203 | assert(m); |
204 | ||
205 | manager_get_idle_hint(m, &t); | |
a185c5aa | 206 | |
cc377381 | 207 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
208 | } |
209 | ||
cc377381 LP |
210 | static int property_get_inhibited( |
211 | sd_bus *bus, | |
212 | const char *path, | |
213 | const char *interface, | |
214 | const char *property, | |
215 | sd_bus_message *reply, | |
ebcf1f97 LP |
216 | void *userdata, |
217 | sd_bus_error *error) { | |
cc377381 LP |
218 | |
219 | Manager *m = userdata; | |
f8e2fb7b | 220 | InhibitWhat w; |
f8e2fb7b | 221 | |
cc377381 LP |
222 | assert(bus); |
223 | assert(reply); | |
224 | assert(m); | |
f8e2fb7b | 225 | |
cc377381 | 226 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 227 | |
cc377381 | 228 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
229 | } |
230 | ||
cc377381 LP |
231 | static int property_get_preparing( |
232 | sd_bus *bus, | |
233 | const char *path, | |
234 | const char *interface, | |
235 | const char *property, | |
236 | sd_bus_message *reply, | |
ebcf1f97 LP |
237 | void *userdata, |
238 | sd_bus_error *error) { | |
cc377381 LP |
239 | |
240 | Manager *m = userdata; | |
241 | bool b; | |
5e4a79da | 242 | |
cc377381 LP |
243 | assert(bus); |
244 | assert(reply); | |
245 | assert(m); | |
5e4a79da LP |
246 | |
247 | if (streq(property, "PreparingForShutdown")) | |
5d904a6a | 248 | b = m->action_what & INHIBIT_SHUTDOWN; |
5e4a79da | 249 | else |
5d904a6a | 250 | b = m->action_what & INHIBIT_SLEEP; |
5e4a79da | 251 | |
cc377381 | 252 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
253 | } |
254 | ||
8aaa023a DM |
255 | static int property_get_scheduled_shutdown( |
256 | sd_bus *bus, | |
257 | const char *path, | |
258 | const char *interface, | |
259 | const char *property, | |
260 | sd_bus_message *reply, | |
261 | void *userdata, | |
262 | sd_bus_error *error) { | |
263 | ||
264 | Manager *m = userdata; | |
265 | int r; | |
266 | ||
267 | assert(bus); | |
268 | assert(reply); | |
269 | assert(m); | |
270 | ||
271 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
272 | if (r < 0) | |
273 | return r; | |
274 | ||
275 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
276 | if (r < 0) | |
277 | return r; | |
278 | ||
279 | return sd_bus_message_close_container(reply); | |
280 | } | |
281 | ||
cc377381 | 282 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
01adcd69 | 283 | static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays); |
9b9c23da | 284 | static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed); |
4e96eb68 | 285 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power, "b", manager_is_on_external_power); |
01adcd69 YW |
286 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX); |
287 | static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size); | |
28414939 | 288 | |
19070062 | 289 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
290 | _cleanup_free_ char *p = NULL; |
291 | Manager *m = userdata; | |
292 | const char *name; | |
293 | Session *session; | |
294 | int r; | |
295 | ||
cc377381 LP |
296 | assert(message); |
297 | assert(m); | |
298 | ||
299 | r = sd_bus_message_read(message, "s", &name); | |
300 | if (r < 0) | |
ebcf1f97 | 301 | return r; |
cc377381 | 302 | |
309a29df LP |
303 | r = manager_get_session_from_creds(m, message, name, error, &session); |
304 | if (r < 0) | |
305 | return r; | |
cc377381 LP |
306 | |
307 | p = session_bus_path(session); | |
308 | if (!p) | |
ebcf1f97 | 309 | return -ENOMEM; |
cc377381 | 310 | |
df2d202e | 311 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
312 | } |
313 | ||
7b33c622 AJ |
314 | /* Get login session of a process. This is not what you are looking for these days, |
315 | * as apps may instead belong to a user service unit. This includes terminal | |
316 | * emulators and hence command-line apps. */ | |
19070062 | 317 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 318 | _cleanup_free_ char *p = NULL; |
954449b8 | 319 | Session *session = NULL; |
cc377381 | 320 | Manager *m = userdata; |
4e724d9c | 321 | pid_t pid; |
cc377381 LP |
322 | int r; |
323 | ||
cc377381 LP |
324 | assert(message); |
325 | assert(m); | |
326 | ||
4e724d9c LP |
327 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
328 | ||
cc377381 LP |
329 | r = sd_bus_message_read(message, "u", &pid); |
330 | if (r < 0) | |
ebcf1f97 | 331 | return r; |
07b38ba5 | 332 | if (pid < 0) |
06820eaf | 333 | return -EINVAL; |
cc377381 | 334 | |
06820eaf | 335 | if (pid == 0) { |
309a29df | 336 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
337 | if (r < 0) |
338 | return r; | |
309a29df LP |
339 | } else { |
340 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 341 | if (r < 0) |
ebcf1f97 | 342 | return r; |
4e724d9c | 343 | |
309a29df LP |
344 | if (!session) |
345 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
346 | } | |
cc377381 LP |
347 | |
348 | p = session_bus_path(session); | |
349 | if (!p) | |
ebcf1f97 | 350 | return -ENOMEM; |
cc377381 | 351 | |
df2d202e | 352 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
353 | } |
354 | ||
19070062 | 355 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
356 | _cleanup_free_ char *p = NULL; |
357 | Manager *m = userdata; | |
358 | uint32_t uid; | |
359 | User *user; | |
360 | int r; | |
361 | ||
cc377381 LP |
362 | assert(message); |
363 | assert(m); | |
364 | ||
365 | r = sd_bus_message_read(message, "u", &uid); | |
366 | if (r < 0) | |
ebcf1f97 | 367 | return r; |
cc377381 | 368 | |
309a29df LP |
369 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
370 | if (r < 0) | |
371 | return r; | |
cc377381 LP |
372 | |
373 | p = user_bus_path(user); | |
374 | if (!p) | |
ebcf1f97 | 375 | return -ENOMEM; |
cc377381 | 376 | |
df2d202e | 377 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
378 | } |
379 | ||
19070062 | 380 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
381 | _cleanup_free_ char *p = NULL; |
382 | Manager *m = userdata; | |
954449b8 | 383 | User *user = NULL; |
4e724d9c | 384 | pid_t pid; |
fb6becb4 | 385 | int r; |
98a28fef | 386 | |
cc377381 | 387 | assert(message); |
98a28fef | 388 | assert(m); |
cc377381 | 389 | |
4e724d9c LP |
390 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
391 | ||
cc377381 LP |
392 | r = sd_bus_message_read(message, "u", &pid); |
393 | if (r < 0) | |
ebcf1f97 | 394 | return r; |
07b38ba5 | 395 | if (pid < 0) |
06820eaf | 396 | return -EINVAL; |
cc377381 | 397 | |
06820eaf | 398 | if (pid == 0) { |
309a29df | 399 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
400 | if (r < 0) |
401 | return r; | |
309a29df LP |
402 | } else { |
403 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 404 | if (r < 0) |
ebcf1f97 | 405 | return r; |
309a29df | 406 | if (!user) |
095b8833 AJ |
407 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
408 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
409 | pid); | |
4e724d9c LP |
410 | } |
411 | ||
cc377381 LP |
412 | p = user_bus_path(user); |
413 | if (!p) | |
ebcf1f97 | 414 | return -ENOMEM; |
cc377381 | 415 | |
df2d202e | 416 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
417 | } |
418 | ||
19070062 | 419 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
420 | _cleanup_free_ char *p = NULL; |
421 | Manager *m = userdata; | |
422 | const char *name; | |
423 | Seat *seat; | |
424 | int r; | |
425 | ||
98a28fef | 426 | assert(message); |
cc377381 | 427 | assert(m); |
98a28fef | 428 | |
cc377381 LP |
429 | r = sd_bus_message_read(message, "s", &name); |
430 | if (r < 0) | |
ebcf1f97 | 431 | return r; |
98a28fef | 432 | |
309a29df LP |
433 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
434 | if (r < 0) | |
435 | return r; | |
98a28fef | 436 | |
cc377381 LP |
437 | p = seat_bus_path(seat); |
438 | if (!p) | |
ebcf1f97 | 439 | return -ENOMEM; |
98a28fef | 440 | |
df2d202e | 441 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 442 | } |
98a28fef | 443 | |
19070062 | 444 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 445 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
446 | Manager *m = userdata; |
447 | Session *session; | |
448 | Iterator i; | |
449 | int r; | |
450 | ||
cc377381 LP |
451 | assert(message); |
452 | assert(m); | |
98a28fef | 453 | |
df2d202e | 454 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 455 | if (r < 0) |
ebcf1f97 | 456 | return r; |
98a28fef | 457 | |
cc377381 LP |
458 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
459 | if (r < 0) | |
ebcf1f97 | 460 | return r; |
cc377381 LP |
461 | |
462 | HASHMAP_FOREACH(session, m->sessions, i) { | |
463 | _cleanup_free_ char *p = NULL; | |
464 | ||
465 | p = session_bus_path(session); | |
466 | if (!p) | |
ebcf1f97 | 467 | return -ENOMEM; |
cc377381 LP |
468 | |
469 | r = sd_bus_message_append(reply, "(susso)", | |
470 | session->id, | |
471 | (uint32_t) session->user->uid, | |
472 | session->user->name, | |
473 | session->seat ? session->seat->id : "", | |
474 | p); | |
475 | if (r < 0) | |
ebcf1f97 | 476 | return r; |
cc377381 LP |
477 | } |
478 | ||
479 | r = sd_bus_message_close_container(reply); | |
480 | if (r < 0) | |
ebcf1f97 | 481 | return r; |
cc377381 | 482 | |
9030ca46 | 483 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
484 | } |
485 | ||
19070062 | 486 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 487 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
488 | Manager *m = userdata; |
489 | User *user; | |
490 | Iterator i; | |
491 | int r; | |
492 | ||
cc377381 LP |
493 | assert(message); |
494 | assert(m); | |
495 | ||
df2d202e | 496 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 497 | if (r < 0) |
ebcf1f97 | 498 | return r; |
cc377381 LP |
499 | |
500 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
501 | if (r < 0) | |
ebcf1f97 | 502 | return r; |
cc377381 LP |
503 | |
504 | HASHMAP_FOREACH(user, m->users, i) { | |
505 | _cleanup_free_ char *p = NULL; | |
506 | ||
507 | p = user_bus_path(user); | |
508 | if (!p) | |
ebcf1f97 | 509 | return -ENOMEM; |
cc377381 LP |
510 | |
511 | r = sd_bus_message_append(reply, "(uso)", | |
512 | (uint32_t) user->uid, | |
513 | user->name, | |
514 | p); | |
515 | if (r < 0) | |
ebcf1f97 | 516 | return r; |
cc377381 LP |
517 | } |
518 | ||
519 | r = sd_bus_message_close_container(reply); | |
520 | if (r < 0) | |
ebcf1f97 | 521 | return r; |
cc377381 | 522 | |
9030ca46 | 523 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
524 | } |
525 | ||
19070062 | 526 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 527 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
528 | Manager *m = userdata; |
529 | Seat *seat; | |
530 | Iterator i; | |
531 | int r; | |
532 | ||
cc377381 LP |
533 | assert(message); |
534 | assert(m); | |
535 | ||
df2d202e | 536 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 537 | if (r < 0) |
ebcf1f97 | 538 | return r; |
cc377381 LP |
539 | |
540 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
541 | if (r < 0) | |
ebcf1f97 | 542 | return r; |
cc377381 LP |
543 | |
544 | HASHMAP_FOREACH(seat, m->seats, i) { | |
545 | _cleanup_free_ char *p = NULL; | |
546 | ||
547 | p = seat_bus_path(seat); | |
548 | if (!p) | |
ebcf1f97 | 549 | return -ENOMEM; |
cc377381 | 550 | |
b8358bce | 551 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 552 | if (r < 0) |
ebcf1f97 | 553 | return r; |
cc377381 LP |
554 | } |
555 | ||
556 | r = sd_bus_message_close_container(reply); | |
557 | if (r < 0) | |
ebcf1f97 | 558 | return r; |
cc377381 | 559 | |
9030ca46 | 560 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
561 | } |
562 | ||
19070062 | 563 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 564 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
565 | Manager *m = userdata; |
566 | Inhibitor *inhibitor; | |
567 | Iterator i; | |
568 | int r; | |
569 | ||
19070062 LP |
570 | assert(message); |
571 | assert(m); | |
572 | ||
df2d202e | 573 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 574 | if (r < 0) |
ebcf1f97 | 575 | return r; |
cc377381 LP |
576 | |
577 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
578 | if (r < 0) | |
ebcf1f97 | 579 | return r; |
cc377381 LP |
580 | |
581 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
582 | ||
dbfa3fbb | 583 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
584 | strempty(inhibit_what_to_string(inhibitor->what)), |
585 | strempty(inhibitor->who), | |
586 | strempty(inhibitor->why), | |
587 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
588 | (uint32_t) inhibitor->uid, | |
589 | (uint32_t) inhibitor->pid); | |
590 | if (r < 0) | |
ebcf1f97 | 591 | return r; |
cc377381 LP |
592 | } |
593 | ||
594 | r = sd_bus_message_close_container(reply); | |
595 | if (r < 0) | |
ebcf1f97 | 596 | return r; |
cc377381 | 597 | |
9030ca46 | 598 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
599 | } |
600 | ||
19070062 | 601 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 602 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
c7543606 | 603 | _cleanup_free_ char *id = NULL; |
cc377381 | 604 | Session *session = NULL; |
bc2b6332 | 605 | uint32_t audit_id = 0; |
cc377381 LP |
606 | Manager *m = userdata; |
607 | User *user = NULL; | |
608 | Seat *seat = NULL; | |
06820eaf LP |
609 | pid_t leader; |
610 | uid_t uid; | |
cc377381 LP |
611 | int remote; |
612 | uint32_t vtnr = 0; | |
613 | SessionType t; | |
614 | SessionClass c; | |
615 | int r; | |
616 | ||
cc377381 LP |
617 | assert(message); |
618 | assert(m); | |
619 | ||
06820eaf LP |
620 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
621 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
622 | ||
a4cd87e9 | 623 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 624 | if (r < 0) |
ebcf1f97 | 625 | return r; |
cc377381 | 626 | |
06820eaf LP |
627 | if (!uid_is_valid(uid)) |
628 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
bc2b6332 | 629 | if (leader < 0 || leader == 1 || leader == getpid_cached()) |
ebcf1f97 | 630 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 631 | |
e2acb67b LP |
632 | if (isempty(type)) |
633 | t = _SESSION_TYPE_INVALID; | |
634 | else { | |
635 | t = session_type_from_string(type); | |
636 | if (t < 0) | |
ebcf1f97 | 637 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 638 | } |
98a28fef | 639 | |
55efac6c | 640 | if (isempty(class)) |
e2acb67b LP |
641 | c = _SESSION_CLASS_INVALID; |
642 | else { | |
55efac6c | 643 | c = session_class_from_string(class); |
e2acb67b | 644 | if (c < 0) |
ebcf1f97 | 645 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 646 | } |
55efac6c | 647 | |
a4cd87e9 LP |
648 | if (isempty(desktop)) |
649 | desktop = NULL; | |
650 | else { | |
651 | if (!string_is_safe(desktop)) | |
652 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
653 | } | |
654 | ||
954449b8 LP |
655 | if (isempty(cseat)) |
656 | seat = NULL; | |
98a28fef | 657 | else { |
954449b8 LP |
658 | seat = hashmap_get(m->seats, cseat); |
659 | if (!seat) | |
d14ab08b | 660 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
661 | } |
662 | ||
98a28fef | 663 | if (tty_is_vc(tty)) { |
4d6d6518 | 664 | int v; |
98a28fef | 665 | |
954449b8 | 666 | if (!seat) |
92432fcc DH |
667 | seat = m->seat0; |
668 | else if (seat != m->seat0) | |
d14ab08b | 669 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id); |
98a28fef | 670 | |
4d6d6518 | 671 | v = vtnr_from_tty(tty); |
4d6d6518 | 672 | if (v <= 0) |
ebcf1f97 | 673 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 674 | |
bc2b6332 | 675 | if (vtnr == 0) |
4d6d6518 LP |
676 | vtnr = (uint32_t) v; |
677 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 678 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 679 | |
d1122ad5 LP |
680 | } else if (tty_is_console(tty)) { |
681 | ||
954449b8 | 682 | if (!seat) |
92432fcc DH |
683 | seat = m->seat0; |
684 | else if (seat != m->seat0) | |
ebcf1f97 | 685 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
686 | |
687 | if (vtnr != 0) | |
ebcf1f97 | 688 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 689 | } |
98a28fef | 690 | |
954449b8 | 691 | if (seat) { |
bf7825ae | 692 | if (seat_has_vts(seat)) { |
bc2b6332 | 693 | if (vtnr <= 0 || vtnr > 63) |
ebcf1f97 | 694 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 695 | } else { |
d1122ad5 | 696 | if (vtnr != 0) |
ebcf1f97 | 697 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
698 | } |
699 | } | |
700 | ||
e2acb67b LP |
701 | if (t == _SESSION_TYPE_INVALID) { |
702 | if (!isempty(display)) | |
703 | t = SESSION_X11; | |
704 | else if (!isempty(tty)) | |
705 | t = SESSION_TTY; | |
706 | else | |
707 | t = SESSION_UNSPECIFIED; | |
708 | } | |
709 | ||
710 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 711 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 712 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
713 | else |
714 | c = SESSION_USER; | |
e2acb67b LP |
715 | } |
716 | ||
06820eaf | 717 | if (leader == 0) { |
4afd3348 | 718 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
719 | |
720 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
721 | if (r < 0) | |
722 | return r; | |
723 | ||
5b12334d | 724 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 725 | if (r < 0) |
ebcf1f97 | 726 | return r; |
9444b1f2 LP |
727 | } |
728 | ||
bc2b6332 LP |
729 | /* Check if we are already in a logind session. Or if we are in user@.service which is a special PAM session |
730 | * that avoids creating a logind session. */ | |
731 | r = manager_get_user_by_pid(m, leader, NULL); | |
e8a3144e AJ |
732 | if (r < 0) |
733 | return r; | |
bc2b6332 LP |
734 | if (r > 0) |
735 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session or user slice"); | |
b80120c4 DH |
736 | |
737 | /* | |
738 | * Old gdm and lightdm start the user-session on the same VT as | |
739 | * the greeter session. But they destroy the greeter session | |
740 | * after the user-session and want the user-session to take | |
741 | * over the VT. We need to support this for | |
742 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
743 | * on a VT that a greeter is running on. Furthermore, to allow |
744 | * re-logins, we have to allow a greeter to take over a used VT for | |
745 | * the exact same reasons. | |
b80120c4 | 746 | */ |
cc85d562 DH |
747 | if (c != SESSION_GREETER && |
748 | vtnr > 0 && | |
b80120c4 DH |
749 | vtnr < m->seat0->position_count && |
750 | m->seat0->positions[vtnr] && | |
751 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
752 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 753 | |
183e0738 LP |
754 | if (hashmap_size(m->sessions) >= m->sessions_max) |
755 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
756 | ||
3a87a86e LP |
757 | (void) audit_session_from_pid(leader, &audit_id); |
758 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 759 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 760 | |
de0671ee | 761 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 762 | return -ENOMEM; |
21c390cc | 763 | |
954449b8 LP |
764 | /* Wut? There's already a session by this name and we |
765 | * didn't find it above? Weird, then let's not trust | |
766 | * the audit data and let's better register a new | |
767 | * ID */ | |
768 | if (hashmap_get(m->sessions, id)) { | |
bc2b6332 | 769 | log_warning("Existing logind session ID %s used by new audit session, ignoring.", id); |
3a87a86e | 770 | audit_id = AUDIT_SESSION_INVALID; |
97b11eed | 771 | id = mfree(id); |
07714753 | 772 | } |
954449b8 | 773 | } |
07714753 | 774 | |
954449b8 | 775 | if (!id) { |
07714753 | 776 | do { |
97b11eed | 777 | id = mfree(id); |
07714753 | 778 | |
cc377381 | 779 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 780 | return -ENOMEM; |
07714753 LP |
781 | |
782 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
783 | } |
784 | ||
3d0ef5c7 LP |
785 | /* If we are not watching utmp aleady, try again */ |
786 | manager_reconnect_utmp(m); | |
787 | ||
954449b8 | 788 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 789 | if (r < 0) |
954449b8 LP |
790 | goto fail; |
791 | ||
9444b1f2 | 792 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 793 | if (r < 0) |
98a28fef LP |
794 | goto fail; |
795 | ||
9444b1f2 | 796 | session_set_user(session, user); |
fe3ab845 YW |
797 | r = session_set_leader(session, leader); |
798 | if (r < 0) | |
799 | goto fail; | |
9444b1f2 | 800 | |
98a28fef | 801 | session->type = t; |
55efac6c | 802 | session->class = c; |
98a28fef | 803 | session->remote = remote; |
98a28fef LP |
804 | session->vtnr = vtnr; |
805 | ||
98a28fef LP |
806 | if (!isempty(tty)) { |
807 | session->tty = strdup(tty); | |
808 | if (!session->tty) { | |
ebcf1f97 | 809 | r = -ENOMEM; |
98a28fef LP |
810 | goto fail; |
811 | } | |
3d0ef5c7 LP |
812 | |
813 | session->tty_validity = TTY_FROM_PAM; | |
98a28fef LP |
814 | } |
815 | ||
816 | if (!isempty(display)) { | |
817 | session->display = strdup(display); | |
818 | if (!session->display) { | |
ebcf1f97 | 819 | r = -ENOMEM; |
98a28fef LP |
820 | goto fail; |
821 | } | |
822 | } | |
823 | ||
824 | if (!isempty(remote_user)) { | |
825 | session->remote_user = strdup(remote_user); | |
826 | if (!session->remote_user) { | |
ebcf1f97 | 827 | r = -ENOMEM; |
98a28fef LP |
828 | goto fail; |
829 | } | |
830 | } | |
831 | ||
832 | if (!isempty(remote_host)) { | |
833 | session->remote_host = strdup(remote_host); | |
834 | if (!session->remote_host) { | |
ebcf1f97 | 835 | r = -ENOMEM; |
98a28fef LP |
836 | goto fail; |
837 | } | |
838 | } | |
839 | ||
840 | if (!isempty(service)) { | |
841 | session->service = strdup(service); | |
842 | if (!session->service) { | |
ebcf1f97 | 843 | r = -ENOMEM; |
98a28fef LP |
844 | goto fail; |
845 | } | |
846 | } | |
847 | ||
a4cd87e9 LP |
848 | if (!isempty(desktop)) { |
849 | session->desktop = strdup(desktop); | |
850 | if (!session->desktop) { | |
851 | r = -ENOMEM; | |
852 | goto fail; | |
853 | } | |
854 | } | |
855 | ||
954449b8 LP |
856 | if (seat) { |
857 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 858 | if (r < 0) |
98a28fef LP |
859 | goto fail; |
860 | } | |
861 | ||
22f93314 JS |
862 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
863 | if (r < 0) | |
d88ffeee | 864 | goto fail; |
22f93314 | 865 | |
25a1ab4e | 866 | r = session_start(session, message, error); |
22f93314 JS |
867 | if (r < 0) |
868 | goto fail; | |
869 | ||
870 | r = sd_bus_message_exit_container(message); | |
ebcf1f97 | 871 | if (r < 0) |
98a28fef LP |
872 | goto fail; |
873 | ||
cc377381 | 874 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 875 | |
bc2b6332 | 876 | /* Now, let's wait until the slice unit and stuff got created. We send the reply back from |
f7340ab2 | 877 | * session_send_create_reply(). */ |
cba38758 | 878 | |
cc377381 | 879 | return 1; |
98a28fef LP |
880 | |
881 | fail: | |
98a28fef LP |
882 | if (session) |
883 | session_add_to_gc_queue(session); | |
884 | ||
885 | if (user) | |
886 | user_add_to_gc_queue(user); | |
887 | ||
98a28fef LP |
888 | return r; |
889 | } | |
890 | ||
19070062 | 891 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
892 | Manager *m = userdata; |
893 | Session *session; | |
894 | const char *name; | |
895 | int r; | |
314b4b0a | 896 | |
cc377381 LP |
897 | assert(message); |
898 | assert(m); | |
899 | ||
900 | r = sd_bus_message_read(message, "s", &name); | |
901 | if (r < 0) | |
ebcf1f97 | 902 | return r; |
cc377381 | 903 | |
309a29df LP |
904 | r = manager_get_session_from_creds(m, message, name, error, &session); |
905 | if (r < 0) | |
906 | return r; | |
cc377381 | 907 | |
ad8780c9 ZJS |
908 | r = session_release(session); |
909 | if (r < 0) | |
910 | return r; | |
cc377381 | 911 | |
df2d202e | 912 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
913 | } |
914 | ||
19070062 | 915 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
916 | Manager *m = userdata; |
917 | Session *session; | |
918 | const char *name; | |
919 | int r; | |
f8e2fb7b | 920 | |
cc377381 | 921 | assert(message); |
f8e2fb7b | 922 | assert(m); |
cc377381 LP |
923 | |
924 | r = sd_bus_message_read(message, "s", &name); | |
925 | if (r < 0) | |
ebcf1f97 | 926 | return r; |
cc377381 | 927 | |
309a29df LP |
928 | r = manager_get_session_from_creds(m, message, name, error, &session); |
929 | if (r < 0) | |
930 | return r; | |
cc377381 | 931 | |
19070062 | 932 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
933 | } |
934 | ||
19070062 | 935 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
936 | const char *session_name, *seat_name; |
937 | Manager *m = userdata; | |
938 | Session *session; | |
939 | Seat *seat; | |
940 | int r; | |
941 | ||
f8e2fb7b | 942 | assert(message); |
cc377381 | 943 | assert(m); |
f8e2fb7b | 944 | |
cc377381 LP |
945 | /* Same as ActivateSession() but refuses to work if |
946 | * the seat doesn't match */ | |
f8e2fb7b | 947 | |
cc377381 LP |
948 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
949 | if (r < 0) | |
ebcf1f97 | 950 | return r; |
eecd1362 | 951 | |
309a29df LP |
952 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
953 | if (r < 0) | |
954 | return r; | |
beaafb2e | 955 | |
309a29df LP |
956 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
957 | if (r < 0) | |
958 | return r; | |
314b4b0a | 959 | |
cc377381 | 960 | if (session->seat != seat) |
ebcf1f97 | 961 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
962 | |
963 | r = session_activate(session); | |
f8e2fb7b | 964 | if (r < 0) |
ebcf1f97 | 965 | return r; |
f8e2fb7b | 966 | |
df2d202e | 967 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 968 | } |
f8e2fb7b | 969 | |
19070062 | 970 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
971 | Manager *m = userdata; |
972 | Session *session; | |
973 | const char *name; | |
974 | int r; | |
f8e2fb7b | 975 | |
cc377381 LP |
976 | assert(message); |
977 | assert(m); | |
f8e2fb7b | 978 | |
cc377381 LP |
979 | r = sd_bus_message_read(message, "s", &name); |
980 | if (r < 0) | |
ebcf1f97 | 981 | return r; |
f8e2fb7b | 982 | |
309a29df LP |
983 | r = manager_get_session_from_creds(m, message, name, error, &session); |
984 | if (r < 0) | |
985 | return r; | |
f8e2fb7b | 986 | |
19070062 | 987 | return bus_session_method_lock(message, session, error); |
cc377381 | 988 | } |
f8e2fb7b | 989 | |
19070062 | 990 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
991 | Manager *m = userdata; |
992 | int r; | |
f8e2fb7b | 993 | |
cc377381 LP |
994 | assert(message); |
995 | assert(m); | |
f8e2fb7b | 996 | |
c529695e LP |
997 | r = bus_verify_polkit_async( |
998 | message, | |
999 | CAP_SYS_ADMIN, | |
1000 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 1001 | NULL, |
c529695e LP |
1002 | false, |
1003 | UID_INVALID, | |
1004 | &m->polkit_registry, | |
1005 | error); | |
1006 | if (r < 0) | |
1007 | return r; | |
1008 | if (r == 0) | |
1009 | return 1; /* Will call us back */ | |
1010 | ||
cc377381 LP |
1011 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1012 | if (r < 0) | |
ebcf1f97 | 1013 | return r; |
f8e2fb7b | 1014 | |
df2d202e | 1015 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1016 | } |
1017 | ||
19070062 | 1018 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1019 | const char *name; |
cc377381 LP |
1020 | Manager *m = userdata; |
1021 | Session *session; | |
cc377381 LP |
1022 | int r; |
1023 | ||
cc377381 LP |
1024 | assert(message); |
1025 | assert(m); | |
1026 | ||
c529695e | 1027 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1028 | if (r < 0) |
ebcf1f97 | 1029 | return r; |
cc377381 | 1030 | |
309a29df LP |
1031 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1032 | if (r < 0) | |
1033 | return r; | |
f8e2fb7b | 1034 | |
19070062 | 1035 | return bus_session_method_kill(message, session, error); |
cc377381 | 1036 | } |
f8e2fb7b | 1037 | |
19070062 | 1038 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1039 | Manager *m = userdata; |
1040 | uint32_t uid; | |
cc377381 LP |
1041 | User *user; |
1042 | int r; | |
f8e2fb7b | 1043 | |
cc377381 LP |
1044 | assert(message); |
1045 | assert(m); | |
1046 | ||
c529695e | 1047 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1048 | if (r < 0) |
ebcf1f97 | 1049 | return r; |
cc377381 | 1050 | |
309a29df LP |
1051 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1052 | if (r < 0) | |
1053 | return r; | |
cc377381 | 1054 | |
19070062 | 1055 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1056 | } |
1057 | ||
19070062 | 1058 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1059 | Manager *m = userdata; |
1060 | const char *name; | |
1061 | Session *session; | |
1062 | int r; | |
1063 | ||
cc377381 LP |
1064 | assert(message); |
1065 | assert(m); | |
1066 | ||
1067 | r = sd_bus_message_read(message, "s", &name); | |
1068 | if (r < 0) | |
ebcf1f97 | 1069 | return r; |
cc377381 | 1070 | |
309a29df LP |
1071 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1072 | if (r < 0) | |
1073 | return r; | |
cc377381 | 1074 | |
19070062 | 1075 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1076 | } |
1077 | ||
19070062 | 1078 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1079 | Manager *m = userdata; |
1080 | uint32_t uid; | |
1081 | User *user; | |
1082 | int r; | |
1083 | ||
cc377381 LP |
1084 | assert(message); |
1085 | assert(m); | |
1086 | ||
1087 | r = sd_bus_message_read(message, "u", &uid); | |
1088 | if (r < 0) | |
ebcf1f97 | 1089 | return r; |
cc377381 | 1090 | |
309a29df LP |
1091 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1092 | if (r < 0) | |
1093 | return r; | |
cc377381 | 1094 | |
19070062 | 1095 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1096 | } |
1097 | ||
19070062 | 1098 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1099 | Manager *m = userdata; |
1100 | const char *name; | |
1101 | Seat *seat; | |
1102 | int r; | |
1103 | ||
cc377381 LP |
1104 | assert(message); |
1105 | assert(m); | |
1106 | ||
1107 | r = sd_bus_message_read(message, "s", &name); | |
1108 | if (r < 0) | |
ebcf1f97 | 1109 | return r; |
cc377381 | 1110 | |
309a29df LP |
1111 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1112 | if (r < 0) | |
1113 | return r; | |
cc377381 | 1114 | |
19070062 | 1115 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1116 | } |
1117 | ||
19070062 | 1118 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
34160d91 | 1119 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
1120 | _cleanup_free_ char *cc = NULL; |
1121 | Manager *m = userdata; | |
152199f2 | 1122 | int r, b, interactive; |
cc377381 LP |
1123 | struct passwd *pw; |
1124 | const char *path; | |
34160d91 | 1125 | uint32_t uid, auth_uid; |
cc377381 | 1126 | |
cc377381 LP |
1127 | assert(message); |
1128 | assert(m); | |
1129 | ||
1130 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1131 | if (r < 0) | |
ebcf1f97 | 1132 | return r; |
cc377381 | 1133 | |
34160d91 AJ |
1134 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1135 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1136 | if (r < 0) | |
1137 | return r; | |
309a29df | 1138 | |
34160d91 AJ |
1139 | if (!uid_is_valid(uid)) { |
1140 | /* Note that we get the owner UID of the session or user unit, | |
1141 | * not the actual client UID here! */ | |
309a29df LP |
1142 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1143 | if (r < 0) | |
1144 | return r; | |
34160d91 | 1145 | } |
06820eaf | 1146 | |
34160d91 AJ |
1147 | /* owner_uid is racy, so for authorization we must use euid */ |
1148 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1149 | if (r < 0) | |
1150 | return r; | |
309a29df | 1151 | |
cc377381 LP |
1152 | errno = 0; |
1153 | pw = getpwuid(uid); | |
1154 | if (!pw) | |
f5e5c28f | 1155 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1156 | |
f3885791 LP |
1157 | r = bus_verify_polkit_async( |
1158 | message, | |
1159 | CAP_SYS_ADMIN, | |
34160d91 AJ |
1160 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1161 | "org.freedesktop.login1.set-user-linger", | |
403ed0e5 | 1162 | NULL, |
f3885791 | 1163 | interactive, |
c529695e | 1164 | UID_INVALID, |
f3885791 LP |
1165 | &m->polkit_registry, |
1166 | error); | |
cc377381 | 1167 | if (r < 0) |
ebcf1f97 | 1168 | return r; |
cc377381 LP |
1169 | if (r == 0) |
1170 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1171 | ||
1172 | mkdir_p_label("/var/lib/systemd", 0755); | |
1173 | ||
37c1d5e9 | 1174 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE); |
cc377381 | 1175 | if (r < 0) |
ebcf1f97 | 1176 | return r; |
cc377381 LP |
1177 | |
1178 | cc = cescape(pw->pw_name); | |
1179 | if (!cc) | |
ebcf1f97 | 1180 | return -ENOMEM; |
cc377381 | 1181 | |
63c372cb | 1182 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1183 | if (b) { |
1184 | User *u; | |
1185 | ||
1186 | r = touch(path); | |
1187 | if (r < 0) | |
ebcf1f97 | 1188 | return r; |
cc377381 LP |
1189 | |
1190 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1191 | user_start(u); | |
1192 | ||
1193 | } else { | |
1194 | User *u; | |
1195 | ||
1196 | r = unlink(path); | |
1197 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1198 | return -errno; |
cc377381 | 1199 | |
8cb4ab00 | 1200 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1201 | if (u) |
1202 | user_add_to_gc_queue(u); | |
1203 | } | |
1204 | ||
df2d202e | 1205 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1206 | } |
1207 | ||
4f209af7 YW |
1208 | static int trigger_device(Manager *m, sd_device *d) { |
1209 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
b668e064 LP |
1210 | int r; |
1211 | ||
1212 | assert(m); | |
1213 | ||
4f209af7 YW |
1214 | r = sd_device_enumerator_new(&e); |
1215 | if (r < 0) | |
1216 | return r; | |
1217 | ||
1218 | r = sd_device_enumerator_allow_uninitialized(e); | |
1219 | if (r < 0) | |
1220 | return r; | |
b668e064 | 1221 | |
2eb916cd | 1222 | if (d) { |
4f209af7 | 1223 | r = sd_device_enumerator_add_match_parent(e, d); |
06acf2d4 LP |
1224 | if (r < 0) |
1225 | return r; | |
2eb916cd LP |
1226 | } |
1227 | ||
8437c059 | 1228 | FOREACH_DEVICE(e, d) { |
cc377381 | 1229 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1230 | const char *p; |
1231 | ||
4f209af7 YW |
1232 | r = sd_device_get_syspath(d, &p); |
1233 | if (r < 0) | |
1234 | return r; | |
b668e064 | 1235 | |
b668e064 | 1236 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1237 | if (!t) |
1238 | return -ENOMEM; | |
b668e064 | 1239 | |
57512c89 | 1240 | (void) write_string_file(t, "change", WRITE_STRING_FILE_DISABLE_BUFFER); |
b668e064 LP |
1241 | } |
1242 | ||
06acf2d4 | 1243 | return 0; |
b668e064 LP |
1244 | } |
1245 | ||
47a26690 | 1246 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
4f209af7 | 1247 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
7fd1b19b | 1248 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1249 | const char *id_for_seat; |
47a26690 LP |
1250 | int r; |
1251 | ||
1252 | assert(m); | |
1253 | assert(seat); | |
1254 | assert(sysfs); | |
1255 | ||
4f209af7 YW |
1256 | r = sd_device_new_from_syspath(&d, sysfs); |
1257 | if (r < 0) | |
1258 | return r; | |
47a26690 | 1259 | |
4f209af7 | 1260 | if (sd_device_has_tag(d, "seat") <= 0) |
06acf2d4 | 1261 | return -ENODEV; |
47a26690 | 1262 | |
4f209af7 | 1263 | if (sd_device_get_property_value(d, "ID_FOR_SEAT", &id_for_seat) < 0) |
06acf2d4 | 1264 | return -ENODEV; |
47a26690 | 1265 | |
06acf2d4 LP |
1266 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1267 | return -ENOMEM; | |
47a26690 | 1268 | |
06acf2d4 LP |
1269 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1270 | return -ENOMEM; | |
47a26690 | 1271 | |
4f209af7 | 1272 | (void) mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1273 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1274 | if (r < 0) |
06acf2d4 | 1275 | return r; |
47a26690 | 1276 | |
06acf2d4 | 1277 | return trigger_device(m, d); |
47a26690 LP |
1278 | } |
1279 | ||
b668e064 | 1280 | static int flush_devices(Manager *m) { |
7fd1b19b | 1281 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1282 | |
1283 | assert(m); | |
1284 | ||
1285 | d = opendir("/etc/udev/rules.d"); | |
1286 | if (!d) { | |
1287 | if (errno != ENOENT) | |
56f64d95 | 1288 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1289 | } else { |
1290 | struct dirent *de; | |
1291 | ||
8fb3f009 | 1292 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1293 | if (!dirent_is_file(de)) |
1294 | continue; | |
1295 | ||
1296 | if (!startswith(de->d_name, "72-seat-")) | |
1297 | continue; | |
1298 | ||
1299 | if (!endswith(de->d_name, ".rules")) | |
1300 | continue; | |
1301 | ||
1302 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1303 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1304 | } |
b668e064 LP |
1305 | } |
1306 | ||
1307 | return trigger_device(m, NULL); | |
1308 | } | |
1309 | ||
19070062 | 1310 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1311 | const char *sysfs, *seat; |
1312 | Manager *m = userdata; | |
1313 | int interactive, r; | |
1314 | ||
cc377381 LP |
1315 | assert(message); |
1316 | assert(m); | |
1317 | ||
1318 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1319 | if (r < 0) | |
ebcf1f97 | 1320 | return r; |
cc377381 LP |
1321 | |
1322 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1323 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1324 | |
1325 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1326 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1327 | |
f3885791 LP |
1328 | r = bus_verify_polkit_async( |
1329 | message, | |
1330 | CAP_SYS_ADMIN, | |
1331 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1332 | NULL, |
f3885791 | 1333 | interactive, |
c529695e | 1334 | UID_INVALID, |
f3885791 LP |
1335 | &m->polkit_registry, |
1336 | error); | |
cc377381 | 1337 | if (r < 0) |
ebcf1f97 | 1338 | return r; |
cc377381 LP |
1339 | if (r == 0) |
1340 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1341 | ||
1342 | r = attach_device(m, seat, sysfs); | |
1343 | if (r < 0) | |
ebcf1f97 | 1344 | return r; |
cc377381 | 1345 | |
df2d202e | 1346 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1347 | } |
1348 | ||
19070062 | 1349 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1350 | Manager *m = userdata; |
1351 | int interactive, r; | |
1352 | ||
cc377381 LP |
1353 | assert(message); |
1354 | assert(m); | |
1355 | ||
1356 | r = sd_bus_message_read(message, "b", &interactive); | |
1357 | if (r < 0) | |
ebcf1f97 | 1358 | return r; |
cc377381 | 1359 | |
f3885791 LP |
1360 | r = bus_verify_polkit_async( |
1361 | message, | |
1362 | CAP_SYS_ADMIN, | |
1363 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1364 | NULL, |
f3885791 | 1365 | interactive, |
c529695e | 1366 | UID_INVALID, |
f3885791 LP |
1367 | &m->polkit_registry, |
1368 | error); | |
cc377381 | 1369 | if (r < 0) |
ebcf1f97 | 1370 | return r; |
cc377381 LP |
1371 | if (r == 0) |
1372 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1373 | ||
1374 | r = flush_devices(m); | |
1375 | if (r < 0) | |
ebcf1f97 | 1376 | return r; |
cc377381 | 1377 | |
df2d202e | 1378 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1379 | } |
1380 | ||
89f13440 | 1381 | static int have_multiple_sessions( |
89f13440 | 1382 | Manager *m, |
409133be | 1383 | uid_t uid) { |
89f13440 | 1384 | |
2154761f MS |
1385 | Session *session; |
1386 | Iterator i; | |
89f13440 LP |
1387 | |
1388 | assert(m); | |
1389 | ||
1ca04b87 LP |
1390 | /* Check for other users' sessions. Greeter sessions do not |
1391 | * count, and non-login sessions do not count either. */ | |
2154761f | 1392 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1393 | if (session->class == SESSION_USER && |
1ca04b87 | 1394 | session->user->uid != uid) |
2154761f | 1395 | return true; |
89f13440 LP |
1396 | |
1397 | return false; | |
1398 | } | |
1399 | ||
314b4b0a LP |
1400 | static int bus_manager_log_shutdown( |
1401 | Manager *m, | |
314b4b0a LP |
1402 | const char *unit_name) { |
1403 | ||
5744f59a | 1404 | const char *p, *q; |
314b4b0a LP |
1405 | |
1406 | assert(m); | |
1407 | assert(unit_name); | |
1408 | ||
314b4b0a | 1409 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1410 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1411 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1412 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1413 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1414 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1415 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1416 | p = "MESSAGE=System is halting"; | |
1417 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1418 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1419 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1420 | q = "SHUTDOWN=kexec"; |
1421 | } else { | |
f868cb58 | 1422 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1423 | q = NULL; |
1424 | } | |
1425 | ||
f868cb58 ZJS |
1426 | if (isempty(m->wall_message)) |
1427 | p = strjoina(p, "."); | |
1428 | else | |
1429 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1430 | |
e2cc6eca | 1431 | return log_struct(LOG_NOTICE, |
2b044526 | 1432 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1433 | p, |
a1230ff9 | 1434 | q); |
314b4b0a LP |
1435 | } |
1436 | ||
b5d3e168 KS |
1437 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1438 | Manager *m = userdata; | |
1439 | ||
1440 | assert(e); | |
1441 | assert(m); | |
1442 | ||
1443 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1448 | int r; | |
1449 | ||
1450 | assert(m); | |
1451 | ||
1452 | if (until <= now(CLOCK_MONOTONIC)) | |
1453 | return 0; | |
1454 | ||
1455 | /* We want to ignore the lid switch for a while after each | |
1456 | * suspend, and after boot-up. Hence let's install a timer for | |
1457 | * this. As long as the event source exists we ignore the lid | |
1458 | * switch. */ | |
1459 | ||
1460 | if (m->lid_switch_ignore_event_source) { | |
1461 | usec_t u; | |
1462 | ||
1463 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1464 | if (r < 0) | |
1465 | return r; | |
1466 | ||
1467 | if (until <= u) | |
1468 | return 0; | |
1469 | ||
1470 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1471 | } else | |
6a0f1f6d LP |
1472 | r = sd_event_add_time( |
1473 | m->event, | |
1474 | &m->lid_switch_ignore_event_source, | |
1475 | CLOCK_MONOTONIC, | |
1476 | until, 0, | |
1477 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1478 | |
1479 | return r; | |
1480 | } | |
1481 | ||
6d7f7fd4 | 1482 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
6d7f7fd4 AJ |
1483 | int active = _active; |
1484 | ||
1485 | assert(m); | |
06c2f0a8 | 1486 | assert(IN_SET(w, INHIBIT_SHUTDOWN, INHIBIT_SLEEP)); |
6d7f7fd4 AJ |
1487 | |
1488 | return sd_bus_emit_signal(m->bus, | |
1489 | "/org/freedesktop/login1", | |
1490 | "org.freedesktop.login1.Manager", | |
06c2f0a8 | 1491 | w == INHIBIT_SHUTDOWN ? "PrepareForShutdown" : "PrepareForSleep", |
6d7f7fd4 AJ |
1492 | "b", |
1493 | active); | |
1494 | } | |
1495 | ||
314b4b0a LP |
1496 | static int execute_shutdown_or_sleep( |
1497 | Manager *m, | |
1498 | InhibitWhat w, | |
1499 | const char *unit_name, | |
cc377381 | 1500 | sd_bus_error *error) { |
314b4b0a | 1501 | |
4afd3348 | 1502 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 | 1503 | const char *p; |
cc377381 | 1504 | int r; |
eecd1362 | 1505 | |
af9792ac | 1506 | assert(m); |
b61fa4e0 | 1507 | assert(w > 0); |
314b4b0a | 1508 | assert(w < _INHIBIT_WHAT_MAX); |
d889a206 | 1509 | assert(unit_name); |
eecd1362 | 1510 | |
df75a1a8 AJ |
1511 | if (w == INHIBIT_SHUTDOWN) |
1512 | bus_manager_log_shutdown(m, unit_name); | |
314b4b0a | 1513 | |
df75a1a8 AJ |
1514 | r = sd_bus_call_method( |
1515 | m->bus, | |
1516 | "org.freedesktop.systemd1", | |
1517 | "/org/freedesktop/systemd1", | |
1518 | "org.freedesktop.systemd1.Manager", | |
1519 | "StartUnit", | |
1520 | error, | |
1521 | &reply, | |
1522 | "ss", unit_name, "replace-irreversibly"); | |
1523 | if (r < 0) | |
6d7f7fd4 | 1524 | goto error; |
af9792ac | 1525 | |
df75a1a8 AJ |
1526 | r = sd_bus_message_read(reply, "o", &p); |
1527 | if (r < 0) | |
6d7f7fd4 | 1528 | goto error; |
af9792ac | 1529 | |
6b9f8b71 YW |
1530 | r = free_and_strdup(&m->action_job, p); |
1531 | if (r < 0) | |
6d7f7fd4 | 1532 | goto error; |
af9792ac | 1533 | |
314b4b0a | 1534 | m->action_unit = unit_name; |
314b4b0a | 1535 | m->action_what = w; |
af9792ac | 1536 | |
f9cd6be1 | 1537 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1538 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1539 | |
af9792ac | 1540 | return 0; |
6d7f7fd4 AJ |
1541 | |
1542 | error: | |
1543 | /* Tell people that they now may take a lock again */ | |
401e33ed | 1544 | (void) send_prepare_for(m, w, false); |
6d7f7fd4 AJ |
1545 | |
1546 | return r; | |
eecd1362 LP |
1547 | } |
1548 | ||
418b22b8 | 1549 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1550 | |
4afd3348 | 1551 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1552 | Inhibitor *offending = NULL; |
c0f32805 DM |
1553 | int r; |
1554 | ||
1555 | assert(manager); | |
c0f32805 DM |
1556 | |
1557 | if (manager->action_what == 0 || manager->action_job) | |
1558 | return 0; | |
1559 | ||
1560 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1561 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1562 | ||
418b22b8 DM |
1563 | if (!timeout) |
1564 | return 0; | |
1565 | ||
c0f32805 DM |
1566 | (void) get_process_comm(offending->pid, &comm); |
1567 | u = uid_to_name(offending->uid); | |
1568 | ||
1569 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1570 | offending->uid, strna(u), | |
1571 | offending->pid, strna(comm)); | |
1572 | } | |
1573 | ||
1574 | /* Actually do the operation */ | |
1575 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1576 | if (r < 0) { | |
6d7f7fd4 AJ |
1577 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1578 | bus_error_message(&error, r)); | |
c0f32805 DM |
1579 | |
1580 | manager->action_unit = NULL; | |
1581 | manager->action_what = 0; | |
418b22b8 | 1582 | return r; |
c0f32805 DM |
1583 | } |
1584 | ||
418b22b8 DM |
1585 | return 1; |
1586 | } | |
1587 | ||
1588 | static int manager_inhibit_timeout_handler( | |
1589 | sd_event_source *s, | |
1590 | uint64_t usec, | |
1591 | void *userdata) { | |
1592 | ||
1593 | Manager *manager = userdata; | |
1594 | int r; | |
1595 | ||
1596 | assert(manager); | |
1597 | assert(manager->inhibit_timeout_source == s); | |
1598 | ||
1599 | r = manager_dispatch_delayed(manager, true); | |
1600 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1601 | } |
1602 | ||
314b4b0a LP |
1603 | static int delay_shutdown_or_sleep( |
1604 | Manager *m, | |
1605 | InhibitWhat w, | |
1606 | const char *unit_name) { | |
eecd1362 | 1607 | |
c0f32805 DM |
1608 | int r; |
1609 | usec_t timeout_val; | |
1610 | ||
eecd1362 | 1611 | assert(m); |
d889a206 LP |
1612 | assert(w >= 0); |
1613 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1614 | assert(unit_name); |
eecd1362 | 1615 | |
c0f32805 DM |
1616 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1617 | ||
1618 | if (m->inhibit_timeout_source) { | |
1619 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1620 | if (r < 0) | |
c2a23db0 | 1621 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1622 | |
1623 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1624 | if (r < 0) | |
c2a23db0 | 1625 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1626 | } else { |
1627 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1628 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1629 | if (r < 0) | |
1630 | return r; | |
1631 | } | |
1632 | ||
314b4b0a LP |
1633 | m->action_unit = unit_name; |
1634 | m->action_what = w; | |
d889a206 LP |
1635 | |
1636 | return 0; | |
1637 | } | |
1638 | ||
069cfc85 LP |
1639 | int bus_manager_shutdown_or_sleep_now_or_later( |
1640 | Manager *m, | |
1641 | const char *unit_name, | |
1642 | InhibitWhat w, | |
cc377381 | 1643 | sd_bus_error *error) { |
069cfc85 | 1644 | |
c8c8ee85 | 1645 | _cleanup_free_ char *load_state = NULL; |
069cfc85 LP |
1646 | bool delayed; |
1647 | int r; | |
1648 | ||
1649 | assert(m); | |
1650 | assert(unit_name); | |
b61fa4e0 | 1651 | assert(w > 0); |
543680f4 | 1652 | assert(w < _INHIBIT_WHAT_MAX); |
af9792ac | 1653 | assert(!m->action_job); |
069cfc85 | 1654 | |
c8c8ee85 ZJS |
1655 | r = unit_load_state(m->bus, unit_name, &load_state); |
1656 | if (r < 0) | |
1657 | return r; | |
1658 | ||
baaa35ad ZJS |
1659 | if (!streq(load_state, "loaded")) |
1660 | return log_notice_errno(SYNTHETIC_ERRNO(EACCES), | |
1661 | "Unit %s is %s, refusing operation.", | |
1662 | unit_name, load_state); | |
c8c8ee85 | 1663 | |
314b4b0a | 1664 | /* Tell everybody to prepare for shutdown/sleep */ |
401e33ed | 1665 | (void) send_prepare_for(m, w, true); |
314b4b0a | 1666 | |
069cfc85 LP |
1667 | delayed = |
1668 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1669 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1670 | |
1671 | if (delayed) | |
1672 | /* Shutdown is delayed, keep in mind what we | |
1673 | * want to do, and start a timeout */ | |
1674 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1675 | else |
069cfc85 LP |
1676 | /* Shutdown is not delayed, execute it |
1677 | * immediately */ | |
314b4b0a | 1678 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1679 | |
1680 | return r; | |
1681 | } | |
1682 | ||
b7aa9589 | 1683 | static int verify_shutdown_creds( |
d889a206 | 1684 | Manager *m, |
cc377381 | 1685 | sd_bus_message *message, |
d889a206 | 1686 | InhibitWhat w, |
b7aa9589 | 1687 | bool interactive, |
d889a206 LP |
1688 | const char *action, |
1689 | const char *action_multiple_sessions, | |
1690 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1691 | sd_bus_error *error) { |
d889a206 | 1692 | |
4afd3348 | 1693 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1694 | bool multiple_sessions, blocked; |
cc377381 | 1695 | uid_t uid; |
b7aa9589 | 1696 | int r; |
d889a206 LP |
1697 | |
1698 | assert(m); | |
d889a206 | 1699 | assert(message); |
d889a206 LP |
1700 | assert(w >= 0); |
1701 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1702 | |
05bae4a6 | 1703 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1704 | if (r < 0) |
1705 | return r; | |
1706 | ||
05bae4a6 | 1707 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1708 | if (r < 0) |
ebcf1f97 | 1709 | return r; |
409133be | 1710 | |
cc377381 | 1711 | r = have_multiple_sessions(m, uid); |
d889a206 | 1712 | if (r < 0) |
ebcf1f97 | 1713 | return r; |
d889a206 LP |
1714 | |
1715 | multiple_sessions = r > 0; | |
85a428c6 | 1716 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1717 | |
b7aa9589 | 1718 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1719 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1720 | if (r < 0) |
ebcf1f97 | 1721 | return r; |
055d4066 ZJS |
1722 | if (r == 0) |
1723 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1724 | } |
1725 | ||
b7aa9589 | 1726 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1727 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1728 | if (r < 0) |
ebcf1f97 | 1729 | return r; |
055d4066 ZJS |
1730 | if (r == 0) |
1731 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1732 | } |
1733 | ||
b7aa9589 | 1734 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1735 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1736 | if (r < 0) |
ebcf1f97 | 1737 | return r; |
055d4066 ZJS |
1738 | if (r == 0) |
1739 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1740 | } |
1741 | ||
b7aa9589 DM |
1742 | return 0; |
1743 | } | |
1744 | ||
1745 | static int method_do_shutdown_or_sleep( | |
1746 | Manager *m, | |
1747 | sd_bus_message *message, | |
1748 | const char *unit_name, | |
1749 | InhibitWhat w, | |
1750 | const char *action, | |
1751 | const char *action_multiple_sessions, | |
1752 | const char *action_ignore_inhibit, | |
1753 | const char *sleep_verb, | |
1754 | sd_bus_error *error) { | |
1755 | ||
1756 | int interactive, r; | |
1757 | ||
1758 | assert(m); | |
1759 | assert(message); | |
1760 | assert(unit_name); | |
1761 | assert(w >= 0); | |
1762 | assert(w <= _INHIBIT_WHAT_MAX); | |
1763 | ||
1764 | r = sd_bus_message_read(message, "b", &interactive); | |
1765 | if (r < 0) | |
1766 | return r; | |
1767 | ||
1768 | /* Don't allow multiple jobs being executed at the same time */ | |
f8bfa318 | 1769 | if (m->action_what > 0) |
b7aa9589 DM |
1770 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); |
1771 | ||
1772 | if (sleep_verb) { | |
1773 | r = can_sleep(sleep_verb); | |
b71c9758 | 1774 | if (r == -ENOSPC) |
8340b762 ZJS |
1775 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
1776 | "Not enough swap space for hibernation"); | |
b71c9758 | 1777 | if (r == 0) |
8340b762 ZJS |
1778 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
1779 | "Sleep verb \"%s\" not supported", sleep_verb); | |
b7aa9589 DM |
1780 | if (r < 0) |
1781 | return r; | |
b7aa9589 DM |
1782 | } |
1783 | ||
1784 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1785 | action_ignore_inhibit, error); | |
1786 | if (r != 0) | |
1787 | return r; | |
1788 | ||
ebcf1f97 | 1789 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1790 | if (r < 0) |
ebcf1f97 | 1791 | return r; |
d889a206 | 1792 | |
df2d202e | 1793 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1794 | } |
1795 | ||
19070062 | 1796 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1797 | Manager *m = userdata; |
1798 | ||
cc377381 LP |
1799 | return method_do_shutdown_or_sleep( |
1800 | m, message, | |
1801 | SPECIAL_POWEROFF_TARGET, | |
1802 | INHIBIT_SHUTDOWN, | |
1803 | "org.freedesktop.login1.power-off", | |
1804 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1805 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1806 | NULL, | |
ebcf1f97 | 1807 | error); |
cc377381 | 1808 | } |
88e3dc90 | 1809 | |
19070062 | 1810 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1811 | Manager *m = userdata; |
88e3dc90 | 1812 | |
cc377381 LP |
1813 | return method_do_shutdown_or_sleep( |
1814 | m, message, | |
1815 | SPECIAL_REBOOT_TARGET, | |
1816 | INHIBIT_SHUTDOWN, | |
1817 | "org.freedesktop.login1.reboot", | |
1818 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1819 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1820 | NULL, | |
ebcf1f97 | 1821 | error); |
cc377381 | 1822 | } |
88e3dc90 | 1823 | |
36b69c31 LP |
1824 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1825 | Manager *m = userdata; | |
1826 | ||
1827 | return method_do_shutdown_or_sleep( | |
1828 | m, message, | |
1829 | SPECIAL_HALT_TARGET, | |
1830 | INHIBIT_SHUTDOWN, | |
1831 | "org.freedesktop.login1.halt", | |
1832 | "org.freedesktop.login1.halt-multiple-sessions", | |
1833 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1834 | NULL, | |
1835 | error); | |
1836 | } | |
1837 | ||
19070062 | 1838 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1839 | Manager *m = userdata; |
88e3dc90 | 1840 | |
cc377381 LP |
1841 | return method_do_shutdown_or_sleep( |
1842 | m, message, | |
1843 | SPECIAL_SUSPEND_TARGET, | |
1844 | INHIBIT_SLEEP, | |
1845 | "org.freedesktop.login1.suspend", | |
1846 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1847 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1848 | "suspend", | |
ebcf1f97 | 1849 | error); |
cc377381 | 1850 | } |
88e3dc90 | 1851 | |
15e99a43 LP |
1852 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1853 | Manager *m = userdata; | |
1854 | ||
1855 | return method_do_shutdown_or_sleep( | |
1856 | m, message, | |
1857 | SPECIAL_HIBERNATE_TARGET, | |
1858 | INHIBIT_SLEEP, | |
1859 | "org.freedesktop.login1.hibernate", | |
1860 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1861 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1862 | "hibernate", | |
1863 | error); | |
1864 | } | |
1865 | ||
1866 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1867 | Manager *m = userdata; | |
1868 | ||
1869 | return method_do_shutdown_or_sleep( | |
1870 | m, message, | |
1871 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1872 | INHIBIT_SLEEP, | |
1873 | "org.freedesktop.login1.hibernate", | |
1874 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1875 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1876 | "hybrid-sleep", | |
1877 | error); | |
1878 | } | |
1879 | ||
e68c79db | 1880 | static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
1881 | Manager *m = userdata; |
1882 | ||
1883 | return method_do_shutdown_or_sleep( | |
1884 | m, message, | |
e68c79db | 1885 | SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, |
c58493c0 ML |
1886 | INHIBIT_SLEEP, |
1887 | "org.freedesktop.login1.hibernate", | |
1888 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1889 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1890 | "hybrid-sleep", | |
1891 | error); | |
1892 | } | |
1893 | ||
867c37f6 DM |
1894 | static int nologin_timeout_handler( |
1895 | sd_event_source *s, | |
1896 | uint64_t usec, | |
1897 | void *userdata) { | |
1898 | ||
1899 | Manager *m = userdata; | |
867c37f6 DM |
1900 | |
1901 | log_info("Creating /run/nologin, blocking further logins..."); | |
1902 | ||
6e11e7e6 LP |
1903 | m->unlink_nologin = |
1904 | create_shutdown_run_nologin_or_warn() >= 0; | |
867c37f6 DM |
1905 | |
1906 | return 0; | |
1907 | } | |
1908 | ||
1909 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1910 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1911 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1912 | int r; |
867c37f6 DM |
1913 | |
1914 | assert(m); | |
1915 | ||
37c1d5e9 | 1916 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE); |
867c37f6 DM |
1917 | if (r < 0) |
1918 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1919 | ||
867c37f6 DM |
1920 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1921 | if (r < 0) | |
1922 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1923 | ||
1924 | (void) fchmod(fileno(f), 0644); | |
1925 | ||
1926 | fprintf(f, | |
1927 | "USEC="USEC_FMT"\n" | |
1928 | "WARN_WALL=%i\n" | |
1929 | "MODE=%s\n", | |
1930 | m->scheduled_shutdown_timeout, | |
1931 | m->enable_wall_messages, | |
1932 | m->scheduled_shutdown_type); | |
1933 | ||
91b3e7fb LP |
1934 | if (!isempty(m->wall_message)) { |
1935 | _cleanup_free_ char *t; | |
1936 | ||
1937 | t = cescape(m->wall_message); | |
1938 | if (!t) { | |
1939 | r = -ENOMEM; | |
1940 | goto fail; | |
1941 | } | |
1942 | ||
867c37f6 | 1943 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1944 | } |
867c37f6 | 1945 | |
dacd6cee LP |
1946 | r = fflush_and_check(f); |
1947 | if (r < 0) | |
1948 | goto fail; | |
867c37f6 | 1949 | |
dacd6cee | 1950 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1951 | r = -errno; |
dacd6cee | 1952 | goto fail; |
867c37f6 DM |
1953 | } |
1954 | ||
dacd6cee LP |
1955 | return 0; |
1956 | ||
1957 | fail: | |
1958 | (void) unlink(temp_path); | |
1959 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1960 | ||
1961 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1962 | } |
1963 | ||
df75a1a8 | 1964 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
1965 | assert(m); |
1966 | ||
df75a1a8 AJ |
1967 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
1968 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
1969 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 1970 | |
df75a1a8 AJ |
1971 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
1972 | m->scheduled_shutdown_timeout = 0; | |
1973 | m->shutdown_dry_run = false; | |
1974 | ||
1975 | if (m->unlink_nologin) { | |
af229d7a | 1976 | (void) unlink_or_warn("/run/nologin"); |
df75a1a8 AJ |
1977 | m->unlink_nologin = false; |
1978 | } | |
36b69c31 | 1979 | |
df75a1a8 AJ |
1980 | (void) unlink("/run/systemd/shutdown/scheduled"); |
1981 | } | |
1982 | ||
8aaa023a DM |
1983 | static int manager_scheduled_shutdown_handler( |
1984 | sd_event_source *s, | |
1985 | uint64_t usec, | |
1986 | void *userdata) { | |
1987 | ||
4afd3348 | 1988 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
1989 | Manager *m = userdata; |
1990 | const char *target; | |
1991 | int r; | |
1992 | ||
1993 | assert(m); | |
1994 | ||
1995 | if (isempty(m->scheduled_shutdown_type)) | |
1996 | return 0; | |
1997 | ||
36b69c31 | 1998 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 1999 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 2000 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 2001 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
2002 | else if (streq(m->scheduled_shutdown_type, "halt")) |
2003 | target = SPECIAL_HALT_TARGET; | |
2004 | else | |
2005 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 2006 | |
b498d6ea | 2007 | /* Don't allow multiple jobs being executed at the same time */ |
f8bfa318 | 2008 | if (m->action_what > 0) { |
6d7f7fd4 | 2009 | r = -EALREADY; |
b498d6ea | 2010 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2011 | goto error; |
b498d6ea AJ |
2012 | } |
2013 | ||
df75a1a8 AJ |
2014 | if (m->shutdown_dry_run) { |
2015 | /* We do not process delay inhibitors here. Otherwise, we | |
2016 | * would have to be considered "in progress" (like the check | |
2017 | * above) for some seconds after our admin has seen the final | |
2018 | * wall message. */ | |
2019 | ||
2020 | bus_manager_log_shutdown(m, target); | |
2021 | log_info("Running in dry run, suppressing action."); | |
2022 | reset_scheduled_shutdown(m); | |
2023 | ||
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2028 | if (r < 0) { |
2029 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2030 | goto error; | |
2031 | } | |
8aaa023a DM |
2032 | |
2033 | return 0; | |
6d7f7fd4 AJ |
2034 | |
2035 | error: | |
2036 | reset_scheduled_shutdown(m); | |
2037 | return r; | |
8aaa023a DM |
2038 | } |
2039 | ||
19070062 | 2040 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2041 | Manager *m = userdata; |
4afd3348 | 2042 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2043 | const char *action_multiple_sessions = NULL; |
2044 | const char *action_ignore_inhibit = NULL; | |
2045 | const char *action = NULL; | |
2046 | uint64_t elapse; | |
2047 | char *type; | |
2048 | int r; | |
d13f5e16 | 2049 | bool dry_run = false; |
8aaa023a DM |
2050 | |
2051 | assert(m); | |
2052 | assert(message); | |
2053 | ||
2054 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2055 | if (r < 0) | |
2056 | return r; | |
2057 | ||
1389f4b9 DM |
2058 | if (startswith(type, "dry-")) { |
2059 | type += 4; | |
d13f5e16 | 2060 | dry_run = true; |
1389f4b9 DM |
2061 | } |
2062 | ||
36b69c31 LP |
2063 | if (streq(type, "poweroff")) { |
2064 | action = "org.freedesktop.login1.power-off"; | |
2065 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2066 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2067 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2068 | action = "org.freedesktop.login1.reboot"; |
2069 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2070 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2071 | } else if (streq(type, "halt")) { | |
2072 | action = "org.freedesktop.login1.halt"; | |
2073 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2074 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2075 | } else |
2076 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2077 | ||
2078 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2079 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2080 | if (r != 0) | |
2081 | return r; | |
2082 | ||
2083 | if (m->scheduled_shutdown_timeout_source) { | |
2084 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2085 | if (r < 0) | |
c2a23db0 | 2086 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2087 | |
2088 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2089 | if (r < 0) | |
c2a23db0 | 2090 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2091 | } else { |
2092 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2093 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2094 | if (r < 0) | |
c2a23db0 | 2095 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2096 | } |
2097 | ||
2098 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2099 | if (r < 0) { | |
2100 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2101 | return log_oom(); | |
2102 | } | |
2103 | ||
d13f5e16 LP |
2104 | m->shutdown_dry_run = dry_run; |
2105 | ||
867c37f6 DM |
2106 | if (m->nologin_timeout_source) { |
2107 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2108 | if (r < 0) | |
c2a23db0 | 2109 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2110 | |
2111 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2112 | if (r < 0) | |
c2a23db0 | 2113 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2114 | } else { |
2115 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2116 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2117 | if (r < 0) | |
c2a23db0 | 2118 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2119 | } |
2120 | ||
8aaa023a DM |
2121 | m->scheduled_shutdown_timeout = elapse; |
2122 | ||
e2fa5721 DM |
2123 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2124 | if (r >= 0) { | |
011062f3 | 2125 | const char *tty = NULL; |
e2fa5721 DM |
2126 | |
2127 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2128 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2129 | ||
2130 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2131 | if (r < 0) { | |
2132 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2133 | return log_oom(); | |
2134 | } | |
2135 | } | |
2136 | ||
2137 | r = manager_setup_wall_message_timer(m); | |
2138 | if (r < 0) | |
2139 | return r; | |
2140 | ||
f8169e62 AJ |
2141 | r = update_schedule_file(m); |
2142 | if (r < 0) | |
2143 | return r; | |
867c37f6 | 2144 | |
8aaa023a DM |
2145 | return sd_bus_reply_method_return(message, NULL); |
2146 | } | |
2147 | ||
19070062 | 2148 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2149 | Manager *m = userdata; |
2150 | bool cancelled; | |
2151 | ||
2152 | assert(m); | |
2153 | assert(message); | |
2154 | ||
2155 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2156 | reset_scheduled_shutdown(m); |
fb91034c | 2157 | |
6e78fa4a | 2158 | if (cancelled && m->enable_wall_messages) { |
4afd3348 | 2159 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e99742ef | 2160 | _cleanup_free_ char *username = NULL; |
e2fa5721 DM |
2161 | const char *tty = NULL; |
2162 | uid_t uid = 0; | |
2163 | int r; | |
2164 | ||
2165 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2166 | if (r >= 0) { | |
2167 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2168 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2169 | } | |
2170 | ||
e99742ef | 2171 | username = uid_to_name(uid); |
e2fa5721 | 2172 | utmp_wall("The system shutdown has been cancelled", |
e99742ef | 2173 | username, tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2174 | } |
2175 | ||
8aaa023a DM |
2176 | return sd_bus_reply_method_return(message, "b", cancelled); |
2177 | } | |
2178 | ||
cc377381 LP |
2179 | static int method_can_shutdown_or_sleep( |
2180 | Manager *m, | |
2181 | sd_bus_message *message, | |
2182 | InhibitWhat w, | |
2183 | const char *action, | |
2184 | const char *action_multiple_sessions, | |
2185 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2186 | const char *sleep_verb, |
2187 | sd_bus_error *error) { | |
de07ab16 | 2188 | |
4afd3348 | 2189 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
c8c8ee85 | 2190 | HandleAction handle; |
cc377381 LP |
2191 | bool multiple_sessions, challenge, blocked; |
2192 | const char *result = NULL; | |
2193 | uid_t uid; | |
2194 | int r; | |
de07ab16 | 2195 | |
cc377381 LP |
2196 | assert(m); |
2197 | assert(message); | |
2198 | assert(w >= 0); | |
2199 | assert(w <= _INHIBIT_WHAT_MAX); | |
2200 | assert(action); | |
2201 | assert(action_multiple_sessions); | |
2202 | assert(action_ignore_inhibit); | |
de07ab16 | 2203 | |
cc377381 LP |
2204 | if (sleep_verb) { |
2205 | r = can_sleep(sleep_verb); | |
8340b762 | 2206 | if (IN_SET(r, 0, -ENOSPC)) |
b71c9758 | 2207 | return sd_bus_reply_method_return(message, "s", "na"); |
de07ab16 | 2208 | if (r < 0) |
ebcf1f97 | 2209 | return r; |
cc377381 | 2210 | } |
de07ab16 | 2211 | |
05bae4a6 | 2212 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2213 | if (r < 0) |
2214 | return r; | |
2215 | ||
05bae4a6 | 2216 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2217 | if (r < 0) |
ebcf1f97 | 2218 | return r; |
de07ab16 | 2219 | |
cc377381 LP |
2220 | r = have_multiple_sessions(m, uid); |
2221 | if (r < 0) | |
ebcf1f97 | 2222 | return r; |
de07ab16 | 2223 | |
cc377381 | 2224 | multiple_sessions = r > 0; |
85a428c6 | 2225 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2226 | |
c8c8ee85 ZJS |
2227 | handle = handle_action_from_string(sleep_verb); |
2228 | if (handle >= 0) { | |
2229 | const char *target; | |
2230 | ||
2231 | target = manager_target_for_action(handle); | |
2232 | if (target) { | |
2233 | _cleanup_free_ char *load_state = NULL; | |
2234 | ||
2235 | r = unit_load_state(m->bus, target, &load_state); | |
2236 | if (r < 0) | |
2237 | return r; | |
2238 | ||
2239 | if (!streq(load_state, "loaded")) { | |
2240 | result = "no"; | |
2241 | goto finish; | |
2242 | } | |
2243 | } | |
2244 | } | |
2245 | ||
cc377381 | 2246 | if (multiple_sessions) { |
403ed0e5 | 2247 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2248 | if (r < 0) |
ebcf1f97 | 2249 | return r; |
bef422ae | 2250 | |
cc377381 LP |
2251 | if (r > 0) |
2252 | result = "yes"; | |
2253 | else if (challenge) | |
2254 | result = "challenge"; | |
2255 | else | |
2256 | result = "no"; | |
2257 | } | |
bef422ae | 2258 | |
cc377381 | 2259 | if (blocked) { |
403ed0e5 | 2260 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2261 | if (r < 0) |
ebcf1f97 | 2262 | return r; |
bef422ae | 2263 | |
0c093a62 HT |
2264 | if (r > 0) { |
2265 | if (!result) | |
2266 | result = "yes"; | |
2267 | } else if (challenge) { | |
2268 | if (!result || streq(result, "yes")) | |
2269 | result = "challenge"; | |
2270 | } else | |
cc377381 LP |
2271 | result = "no"; |
2272 | } | |
bef422ae | 2273 | |
cc377381 LP |
2274 | if (!multiple_sessions && !blocked) { |
2275 | /* If neither inhibit nor multiple sessions | |
2276 | * apply then just check the normal policy */ | |
bef422ae | 2277 | |
403ed0e5 | 2278 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2279 | if (r < 0) |
ebcf1f97 | 2280 | return r; |
bef422ae | 2281 | |
cc377381 LP |
2282 | if (r > 0) |
2283 | result = "yes"; | |
2284 | else if (challenge) | |
2285 | result = "challenge"; | |
2286 | else | |
2287 | result = "no"; | |
2288 | } | |
bef422ae | 2289 | |
c8c8ee85 | 2290 | finish: |
df2d202e | 2291 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2292 | } |
bef422ae | 2293 | |
19070062 | 2294 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2295 | Manager *m = userdata; |
bef422ae | 2296 | |
cc377381 LP |
2297 | return method_can_shutdown_or_sleep( |
2298 | m, message, | |
2299 | INHIBIT_SHUTDOWN, | |
2300 | "org.freedesktop.login1.power-off", | |
2301 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2302 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2303 | NULL, |
2304 | error); | |
cc377381 | 2305 | } |
bef422ae | 2306 | |
19070062 | 2307 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2308 | Manager *m = userdata; |
bef422ae | 2309 | |
cc377381 LP |
2310 | return method_can_shutdown_or_sleep( |
2311 | m, message, | |
2312 | INHIBIT_SHUTDOWN, | |
2313 | "org.freedesktop.login1.reboot", | |
2314 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2315 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2316 | NULL, |
2317 | error); | |
cc377381 | 2318 | } |
bef422ae | 2319 | |
36b69c31 LP |
2320 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2321 | Manager *m = userdata; | |
2322 | ||
2323 | return method_can_shutdown_or_sleep( | |
2324 | m, message, | |
2325 | INHIBIT_SHUTDOWN, | |
2326 | "org.freedesktop.login1.halt", | |
2327 | "org.freedesktop.login1.halt-multiple-sessions", | |
2328 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2329 | NULL, | |
2330 | error); | |
2331 | } | |
2332 | ||
19070062 | 2333 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2334 | Manager *m = userdata; |
7f7bb946 | 2335 | |
cc377381 LP |
2336 | return method_can_shutdown_or_sleep( |
2337 | m, message, | |
2338 | INHIBIT_SLEEP, | |
2339 | "org.freedesktop.login1.suspend", | |
2340 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2341 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2342 | "suspend", |
2343 | error); | |
cc377381 | 2344 | } |
7f7bb946 | 2345 | |
19070062 | 2346 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2347 | Manager *m = userdata; |
02b16a19 | 2348 | |
cc377381 LP |
2349 | return method_can_shutdown_or_sleep( |
2350 | m, message, | |
2351 | INHIBIT_SLEEP, | |
2352 | "org.freedesktop.login1.hibernate", | |
2353 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2354 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2355 | "hibernate", |
2356 | error); | |
cc377381 | 2357 | } |
7f7bb946 | 2358 | |
19070062 | 2359 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2360 | Manager *m = userdata; |
7f7bb946 | 2361 | |
cc377381 LP |
2362 | return method_can_shutdown_or_sleep( |
2363 | m, message, | |
2364 | INHIBIT_SLEEP, | |
2365 | "org.freedesktop.login1.hibernate", | |
2366 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2367 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2368 | "hybrid-sleep", |
2369 | error); | |
cc377381 | 2370 | } |
38f3fc7d | 2371 | |
e68c79db | 2372 | static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
2373 | Manager *m = userdata; |
2374 | ||
2375 | return method_can_shutdown_or_sleep( | |
2376 | m, message, | |
2377 | INHIBIT_SLEEP, | |
2378 | "org.freedesktop.login1.hibernate", | |
2379 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2380 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
e68c79db | 2381 | "suspend-then-hibernate", |
c58493c0 ML |
2382 | error); |
2383 | } | |
2384 | ||
5bdf2243 JJ |
2385 | static int property_get_reboot_to_firmware_setup( |
2386 | sd_bus *bus, | |
2387 | const char *path, | |
2388 | const char *interface, | |
2389 | const char *property, | |
2390 | sd_bus_message *reply, | |
2391 | void *userdata, | |
2392 | sd_bus_error *error) { | |
2393 | int r; | |
2394 | ||
2395 | assert(bus); | |
2396 | assert(reply); | |
2397 | assert(userdata); | |
2398 | ||
e667266a LP |
2399 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2400 | if (r == -ENXIO) { | |
2401 | /* EFI case: let's see what is currently configured in the EFI variables */ | |
2402 | r = efi_get_reboot_to_firmware(); | |
2403 | if (r < 0 && r != -EOPNOTSUPP) | |
2404 | log_warning_errno(r, "Failed to determine reboot-to-firmware-setup state: %m"); | |
2405 | } else if (r < 0) | |
2406 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2407 | else if (r > 0) { | |
2408 | /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */ | |
2409 | if (access("/run/systemd/reboot-to-firmware-setup", F_OK) < 0) { | |
2410 | if (errno != ENOENT) | |
2411 | log_warning_errno(errno, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m"); | |
2412 | ||
2413 | r = false; | |
2414 | } else | |
2415 | r = true; | |
2416 | } | |
5bdf2243 JJ |
2417 | |
2418 | return sd_bus_message_append(reply, "b", r > 0); | |
2419 | } | |
2420 | ||
2421 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2422 | sd_bus_message *message, |
2423 | void *userdata, | |
2424 | sd_bus_error *error) { | |
2425 | ||
5bdf2243 | 2426 | Manager *m = userdata; |
e667266a LP |
2427 | bool use_efi; |
2428 | int b, r; | |
5bdf2243 | 2429 | |
5bdf2243 JJ |
2430 | assert(message); |
2431 | assert(m); | |
2432 | ||
889f25b2 | 2433 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2434 | if (r < 0) |
2435 | return r; | |
2436 | ||
e667266a LP |
2437 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2438 | if (r == -ENXIO) { | |
2439 | /* EFI case: let's see what the firmware supports */ | |
2440 | ||
2441 | r = efi_reboot_to_firmware_supported(); | |
2442 | if (r == -EOPNOTSUPP) | |
2443 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); | |
2444 | if (r < 0) | |
2445 | return r; | |
2446 | ||
2447 | use_efi = true; | |
2448 | ||
2449 | } else if (r <= 0) { | |
2450 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */ | |
2451 | ||
2452 | if (r < 0) | |
2453 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2454 | ||
2455 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); | |
2456 | } else | |
2457 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */ | |
2458 | use_efi = false; | |
2459 | ||
5bdf2243 JJ |
2460 | r = bus_verify_polkit_async(message, |
2461 | CAP_SYS_ADMIN, | |
2462 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2463 | NULL, |
889f25b2 | 2464 | false, |
5bdf2243 JJ |
2465 | UID_INVALID, |
2466 | &m->polkit_registry, | |
2467 | error); | |
2468 | if (r < 0) | |
2469 | return r; | |
2470 | if (r == 0) | |
2471 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2472 | ||
e667266a LP |
2473 | if (use_efi) { |
2474 | r = efi_set_reboot_to_firmware(b); | |
2475 | if (r < 0) | |
2476 | return r; | |
2477 | } else { | |
2478 | if (b) { | |
2479 | r = touch("/run/systemd/reboot-to-firmware-setup"); | |
2480 | if (r < 0) | |
2481 | return r; | |
2482 | } else { | |
2483 | if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno != ENOENT) | |
2484 | return -errno; | |
2485 | } | |
2486 | } | |
5bdf2243 JJ |
2487 | |
2488 | return sd_bus_reply_method_return(message, NULL); | |
2489 | } | |
2490 | ||
350f9518 LP |
2491 | static int return_test_polkit( |
2492 | sd_bus_message *message, | |
2493 | int capability, | |
2494 | const char *action, | |
2495 | const char **details, | |
2496 | uid_t good_user, | |
2497 | sd_bus_error *e) { | |
2498 | ||
2499 | const char *result; | |
2500 | bool challenge; | |
2501 | int r; | |
2502 | ||
2503 | r = bus_test_polkit(message, capability, action, details, good_user, &challenge, e); | |
2504 | if (r < 0) | |
2505 | return r; | |
2506 | ||
2507 | if (r > 0) | |
2508 | result = "yes"; | |
2509 | else if (challenge) | |
2510 | result = "challenge"; | |
2511 | else | |
2512 | result = "no"; | |
2513 | ||
2514 | return sd_bus_reply_method_return(message, "s", result); | |
2515 | } | |
2516 | ||
5bdf2243 | 2517 | static int method_can_reboot_to_firmware_setup( |
5bdf2243 JJ |
2518 | sd_bus_message *message, |
2519 | void *userdata, | |
2520 | sd_bus_error *error) { | |
2521 | ||
5bdf2243 | 2522 | Manager *m = userdata; |
e667266a | 2523 | int r; |
5bdf2243 | 2524 | |
5bdf2243 JJ |
2525 | assert(message); |
2526 | assert(m); | |
2527 | ||
e667266a LP |
2528 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2529 | if (r == -ENXIO) { | |
2530 | /* EFI case: let's see what the firmware supports */ | |
2531 | ||
2532 | r = efi_reboot_to_firmware_supported(); | |
2533 | if (r < 0) { | |
2534 | if (r != -EOPNOTSUPP) | |
2535 | log_warning_errno(r, "Failed to determine whether reboot to firmware is supported: %m"); | |
2536 | ||
350f9518 | 2537 | return sd_bus_reply_method_return(message, "s", "na"); |
e667266a | 2538 | } |
6f302ce6 | 2539 | |
e667266a LP |
2540 | } else if (r <= 0) { |
2541 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */ | |
2542 | ||
2543 | if (r < 0) | |
2544 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2545 | ||
350f9518 | 2546 | return sd_bus_reply_method_return(message, "s", "na"); |
6f302ce6 | 2547 | } |
5bdf2243 | 2548 | |
350f9518 LP |
2549 | return return_test_polkit( |
2550 | message, | |
2551 | CAP_SYS_ADMIN, | |
2552 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
2553 | NULL, | |
2554 | UID_INVALID, | |
2555 | error); | |
5bdf2243 JJ |
2556 | } |
2557 | ||
31b221cf LP |
2558 | static int property_get_reboot_to_boot_loader_menu( |
2559 | sd_bus *bus, | |
2560 | const char *path, | |
2561 | const char *interface, | |
2562 | const char *property, | |
2563 | sd_bus_message *reply, | |
2564 | void *userdata, | |
2565 | sd_bus_error *error) { | |
2566 | ||
2567 | uint64_t x = UINT64_MAX; | |
2568 | int r; | |
2569 | ||
2570 | assert(bus); | |
2571 | assert(reply); | |
2572 | assert(userdata); | |
2573 | ||
2574 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2575 | if (r == -ENXIO) { | |
2576 | _cleanup_free_ char *v = NULL; | |
2577 | ||
2578 | /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distuingished: | |
2579 | * | |
2580 | * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user) | |
2581 | * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user) | |
2582 | * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds | |
2583 | */ | |
2584 | ||
2585 | r = efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderConfigTimeoutOneShot", &v); | |
2586 | if (r < 0) { | |
2587 | if (r != -ENOENT) | |
2588 | log_warning_errno(r, "Failed to read LoaderConfigTimeoutOneShot variable: %m"); | |
2589 | } else { | |
2590 | uint64_t sec; | |
2591 | ||
2592 | r = safe_atou64(v, &sec); | |
2593 | if (r < 0) | |
2594 | log_warning_errno(r, "Failed to parse LoaderConfigTimeoutOneShot value '%s': %m", v); | |
2595 | else if (sec > (USEC_INFINITY / USEC_PER_SEC)) | |
2596 | log_warning("LoaderConfigTimeoutOneShot too large, ignoring: %m"); | |
2597 | else | |
2598 | x = sec * USEC_PER_SEC; /* return in µs */ | |
2599 | } | |
2600 | ||
2601 | } else if (r < 0) | |
2602 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2603 | else if (r > 0) { | |
2604 | _cleanup_free_ char *v = NULL; | |
2605 | ||
2606 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */ | |
2607 | ||
2608 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v); | |
2609 | if (r < 0) { | |
2610 | if (r != -ENOENT) | |
2611 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2612 | } else { | |
2613 | r = safe_atou64(v, &x); | |
2614 | if (r < 0) | |
2615 | log_warning_errno(r, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2616 | } | |
2617 | } | |
2618 | ||
2619 | return sd_bus_message_append(reply, "t", x); | |
2620 | } | |
2621 | ||
2622 | static int method_set_reboot_to_boot_loader_menu( | |
2623 | sd_bus_message *message, | |
2624 | void *userdata, | |
2625 | sd_bus_error *error) { | |
2626 | ||
2627 | Manager *m = userdata; | |
2628 | bool use_efi; | |
2629 | uint64_t x; | |
2630 | int r; | |
2631 | ||
2632 | assert(message); | |
2633 | assert(m); | |
2634 | ||
2635 | r = sd_bus_message_read(message, "t", &x); | |
2636 | if (r < 0) | |
2637 | return r; | |
2638 | ||
2639 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2640 | if (r == -ENXIO) { | |
2641 | uint64_t features; | |
2642 | ||
2643 | /* EFI case: let's see if booting into boot loader menu is supported. */ | |
2644 | ||
2645 | r = efi_loader_get_features(&features); | |
2646 | if (r < 0) | |
2647 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2648 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
2649 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); | |
2650 | ||
2651 | use_efi = true; | |
2652 | ||
2653 | } else if (r <= 0) { | |
2654 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */ | |
2655 | ||
2656 | if (r < 0) | |
2657 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2658 | ||
2659 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); | |
2660 | } else | |
2661 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */ | |
2662 | use_efi = false; | |
2663 | ||
2664 | r = bus_verify_polkit_async(message, | |
2665 | CAP_SYS_ADMIN, | |
2666 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2667 | NULL, | |
2668 | false, | |
2669 | UID_INVALID, | |
2670 | &m->polkit_registry, | |
2671 | error); | |
2672 | if (r < 0) | |
2673 | return r; | |
2674 | if (r == 0) | |
2675 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2676 | ||
2677 | if (use_efi) { | |
2678 | if (x == UINT64_MAX) | |
2679 | r = efi_set_variable(EFI_VENDOR_LOADER, "LoaderConfigTimeoutOneShot", NULL, 0); | |
2680 | else { | |
2681 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2682 | xsprintf(buf, "%" PRIu64, DIV_ROUND_UP(x, USEC_PER_SEC)); /* second granularity */ | |
2683 | ||
2684 | r = efi_set_variable_string(EFI_VENDOR_LOADER, "LoaderConfigTimeoutOneShot", buf); | |
2685 | } | |
2686 | if (r < 0) | |
2687 | return r; | |
2688 | } else { | |
2689 | if (x == UINT64_MAX) { | |
2690 | if (unlink("/run/systemd/reboot-to-loader-menu") < 0 && errno != ENOENT) | |
2691 | return -errno; | |
2692 | } else { | |
2693 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2694 | ||
2695 | xsprintf(buf, "%" PRIu64, x); /* µs granularity */ | |
2696 | ||
2697 | r = write_string_file_atomic_label("/run/systemd/reboot-to-loader-menu", buf); | |
2698 | if (r < 0) | |
2699 | return r; | |
2700 | } | |
2701 | } | |
2702 | ||
2703 | return sd_bus_reply_method_return(message, NULL); | |
2704 | } | |
2705 | ||
2706 | static int method_can_reboot_to_boot_loader_menu( | |
2707 | sd_bus_message *message, | |
2708 | void *userdata, | |
2709 | sd_bus_error *error) { | |
2710 | ||
31b221cf | 2711 | Manager *m = userdata; |
31b221cf LP |
2712 | int r; |
2713 | ||
31b221cf LP |
2714 | assert(message); |
2715 | assert(m); | |
2716 | ||
2717 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2718 | if (r == -ENXIO) { | |
2719 | uint64_t features = 0; | |
2720 | ||
2721 | /* EFI case, let's see if booting into boot loader menu is supported. */ | |
2722 | ||
2723 | r = efi_loader_get_features(&features); | |
2724 | if (r < 0) | |
2725 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2726 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
350f9518 | 2727 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2728 | |
2729 | } else if (r <= 0) { | |
2730 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */ | |
2731 | ||
2732 | if (r < 0) | |
2733 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2734 | ||
350f9518 | 2735 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2736 | } |
2737 | ||
350f9518 LP |
2738 | return return_test_polkit( |
2739 | message, | |
2740 | CAP_SYS_ADMIN, | |
2741 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2742 | NULL, | |
2743 | UID_INVALID, | |
2744 | error); | |
31b221cf LP |
2745 | } |
2746 | ||
2747 | static int property_get_reboot_to_boot_loader_entry( | |
2748 | sd_bus *bus, | |
2749 | const char *path, | |
2750 | const char *interface, | |
2751 | const char *property, | |
2752 | sd_bus_message *reply, | |
2753 | void *userdata, | |
2754 | sd_bus_error *error) { | |
2755 | ||
2756 | _cleanup_free_ char *v = NULL; | |
2757 | int r; | |
2758 | ||
2759 | assert(bus); | |
2760 | assert(reply); | |
2761 | assert(userdata); | |
2762 | ||
2763 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2764 | if (r == -ENXIO) { | |
2765 | /* EFI case: let's read the LoaderEntryOneShot variable */ | |
2766 | ||
2767 | r = efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderEntryOneShot", &v); | |
2768 | if (r < 0) { | |
2769 | if (r != -ENOENT) | |
2770 | log_warning_errno(r, "Failed to read LoaderEntryOneShot variable: %m"); | |
2771 | } else if (!efi_loader_entry_name_valid(v)) { | |
2772 | log_warning("LoaderEntryOneShot contains invalid entry name '%s', ignoring.", v); | |
2773 | v = mfree(v); | |
2774 | } | |
2775 | } else if (r < 0) | |
2776 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2777 | else if (r > 0) { | |
2778 | ||
2779 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */ | |
2780 | ||
2781 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v); | |
2782 | if (r < 0) { | |
2783 | if (r != -ENOENT) | |
2784 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-entry: %m"); | |
2785 | } else if (!efi_loader_entry_name_valid(v)) { | |
2786 | log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring."); | |
2787 | v = mfree(v); | |
2788 | } | |
2789 | } | |
2790 | ||
2791 | return sd_bus_message_append(reply, "s", v); | |
2792 | } | |
2793 | ||
2794 | static int boot_loader_entry_exists(const char *id) { | |
2795 | _cleanup_(boot_config_free) BootConfig config = {}; | |
2796 | int r; | |
2797 | ||
2798 | assert(id); | |
2799 | ||
2800 | r = boot_entries_load_config_auto(NULL, NULL, &config); | |
cc5957dc | 2801 | if (r < 0 && r != -ENOKEY) /* don't complain if no GPT is found, hence skip ENOKEY */ |
31b221cf LP |
2802 | return r; |
2803 | ||
2804 | (void) boot_entries_augment_from_loader(&config, true); | |
2805 | ||
2806 | return boot_config_has_entry(&config, id); | |
2807 | } | |
2808 | ||
2809 | static int method_set_reboot_to_boot_loader_entry( | |
2810 | sd_bus_message *message, | |
2811 | void *userdata, | |
2812 | sd_bus_error *error) { | |
2813 | ||
2814 | Manager *m = userdata; | |
2815 | bool use_efi; | |
2816 | const char *v; | |
2817 | int r; | |
2818 | ||
2819 | assert(message); | |
2820 | assert(m); | |
2821 | ||
2822 | r = sd_bus_message_read(message, "s", &v); | |
2823 | if (r < 0) | |
2824 | return r; | |
2825 | ||
2826 | if (isempty(v)) | |
2827 | v = NULL; | |
2828 | else if (efi_loader_entry_name_valid(v)) { | |
2829 | r = boot_loader_entry_exists(v); | |
2830 | if (r < 0) | |
2831 | return r; | |
2832 | if (r == 0) | |
2833 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader entry '%s' is not known.", v); | |
2834 | } else | |
2835 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Boot loader entry name '%s' is not valid, refusing.", v); | |
2836 | ||
2837 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2838 | if (r == -ENXIO) { | |
2839 | uint64_t features; | |
2840 | ||
2841 | /* EFI case: let's see if booting into boot loader entry is supported. */ | |
2842 | ||
2843 | r = efi_loader_get_features(&features); | |
2844 | if (r < 0) | |
2845 | log_warning_errno(r, "Failed to determine whether reboot into boot loader entry is supported: %m"); | |
2846 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
2847 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); | |
2848 | ||
2849 | use_efi = true; | |
2850 | ||
2851 | } else if (r <= 0) { | |
2852 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */ | |
2853 | ||
2854 | if (r < 0) | |
2855 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2856 | ||
2857 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); | |
2858 | } else | |
2859 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */ | |
2860 | use_efi = false; | |
2861 | ||
2862 | r = bus_verify_polkit_async(message, | |
2863 | CAP_SYS_ADMIN, | |
2864 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
2865 | NULL, | |
2866 | false, | |
2867 | UID_INVALID, | |
2868 | &m->polkit_registry, | |
2869 | error); | |
2870 | if (r < 0) | |
2871 | return r; | |
2872 | if (r == 0) | |
2873 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2874 | ||
2875 | if (use_efi) { | |
2876 | if (isempty(v)) | |
2877 | /* Delete item */ | |
2878 | r = efi_set_variable(EFI_VENDOR_LOADER, "LoaderEntryOneShot", NULL, 0); | |
2879 | else | |
2880 | r = efi_set_variable_string(EFI_VENDOR_LOADER, "LoaderEntryOneShot", v); | |
2881 | if (r < 0) | |
2882 | return r; | |
2883 | } else { | |
2884 | if (isempty(v)) { | |
2885 | if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno != ENOENT) | |
2886 | return -errno; | |
2887 | } else { | |
2888 | r = write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v); | |
2889 | if (r < 0) | |
2890 | return r; | |
2891 | } | |
2892 | } | |
2893 | ||
2894 | return sd_bus_reply_method_return(message, NULL); | |
2895 | } | |
2896 | ||
2897 | static int method_can_reboot_to_boot_loader_entry( | |
2898 | sd_bus_message *message, | |
2899 | void *userdata, | |
2900 | sd_bus_error *error) { | |
2901 | ||
31b221cf | 2902 | Manager *m = userdata; |
31b221cf LP |
2903 | int r; |
2904 | ||
2905 | assert(message); | |
2906 | assert(m); | |
2907 | ||
2908 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2909 | if (r == -ENXIO) { | |
2910 | uint64_t features = 0; | |
2911 | ||
2912 | /* EFI case, let's see if booting into boot loader entry is supported. */ | |
2913 | ||
2914 | r = efi_loader_get_features(&features); | |
2915 | if (r < 0) | |
2916 | log_warning_errno(r, "Failed to determine whether reboot to boot loader entry is supported: %m"); | |
2917 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
350f9518 | 2918 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2919 | |
2920 | } else if (r <= 0) { | |
2921 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */ | |
2922 | ||
2923 | if (r < 0) | |
2924 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2925 | ||
350f9518 | 2926 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2927 | } |
2928 | ||
350f9518 LP |
2929 | return return_test_polkit( |
2930 | message, | |
2931 | CAP_SYS_ADMIN, | |
2932 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
2933 | NULL, | |
2934 | UID_INVALID, | |
2935 | error); | |
31b221cf LP |
2936 | } |
2937 | ||
2938 | static int property_get_boot_loader_entries( | |
2939 | sd_bus *bus, | |
2940 | const char *path, | |
2941 | const char *interface, | |
2942 | const char *property, | |
2943 | sd_bus_message *reply, | |
2944 | void *userdata, | |
2945 | sd_bus_error *error) { | |
2946 | ||
2947 | _cleanup_(boot_config_free) BootConfig config = {}; | |
2948 | size_t i; | |
2949 | int r; | |
2950 | ||
2951 | assert(bus); | |
2952 | assert(reply); | |
2953 | assert(userdata); | |
2954 | ||
2955 | r = boot_entries_load_config_auto(NULL, NULL, &config); | |
cc5957dc | 2956 | if (r < 0 && r != -ENOKEY) /* don't complain if there's no GPT found */ |
31b221cf LP |
2957 | return r; |
2958 | ||
2959 | (void) boot_entries_augment_from_loader(&config, true); | |
2960 | ||
2961 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
2962 | if (r < 0) | |
2963 | return r; | |
2964 | ||
2965 | for (i = 0; i < config.n_entries; i++) { | |
2966 | BootEntry *e = config.entries + i; | |
2967 | ||
2968 | r = sd_bus_message_append(reply, "s", e->id); | |
2969 | if (r < 0) | |
2970 | return r; | |
2971 | } | |
2972 | ||
2973 | return sd_bus_message_close_container(reply); | |
2974 | } | |
2975 | ||
9ef15026 JS |
2976 | static int method_set_wall_message( |
2977 | sd_bus_message *message, | |
2978 | void *userdata, | |
2979 | sd_bus_error *error) { | |
2980 | ||
2981 | int r; | |
2982 | Manager *m = userdata; | |
2983 | char *wall_message; | |
c9482b88 | 2984 | unsigned enable_wall_messages; |
9ef15026 JS |
2985 | |
2986 | assert(message); | |
2987 | assert(m); | |
2988 | ||
2989 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2990 | if (r < 0) | |
2991 | return r; | |
2992 | ||
2993 | r = bus_verify_polkit_async(message, | |
2994 | CAP_SYS_ADMIN, | |
2995 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2996 | NULL, |
9ef15026 JS |
2997 | false, |
2998 | UID_INVALID, | |
2999 | &m->polkit_registry, | |
3000 | error); | |
9ef15026 JS |
3001 | if (r < 0) |
3002 | return r; | |
3003 | if (r == 0) | |
3004 | return 1; /* Will call us back */ | |
3005 | ||
28a9ec44 ZJS |
3006 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
3007 | if (r < 0) | |
3008 | return log_oom(); | |
5744f59a | 3009 | |
9ef15026 JS |
3010 | m->enable_wall_messages = enable_wall_messages; |
3011 | ||
3012 | return sd_bus_reply_method_return(message, NULL); | |
3013 | } | |
3014 | ||
19070062 | 3015 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 3016 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
3017 | const char *who, *why, *what, *mode; |
3018 | _cleanup_free_ char *id = NULL; | |
3019 | _cleanup_close_ int fifo_fd = -1; | |
3020 | Manager *m = userdata; | |
3021 | Inhibitor *i = NULL; | |
3022 | InhibitMode mm; | |
3023 | InhibitWhat w; | |
3024 | pid_t pid; | |
3025 | uid_t uid; | |
3026 | int r; | |
7f7bb946 | 3027 | |
cc377381 LP |
3028 | assert(message); |
3029 | assert(m); | |
38f3fc7d | 3030 | |
cc377381 LP |
3031 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
3032 | if (r < 0) | |
ebcf1f97 | 3033 | return r; |
38f3fc7d | 3034 | |
cc377381 LP |
3035 | w = inhibit_what_from_string(what); |
3036 | if (w <= 0) | |
ebcf1f97 | 3037 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 3038 | |
cc377381 LP |
3039 | mm = inhibit_mode_from_string(mode); |
3040 | if (mm < 0) | |
ebcf1f97 | 3041 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 3042 | |
cc377381 LP |
3043 | /* Delay is only supported for shutdown/sleep */ |
3044 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 3045 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 3046 | |
cc377381 LP |
3047 | /* Don't allow taking delay locks while we are already |
3048 | * executing the operation. We shouldn't create the impression | |
3049 | * that the lock was successful if the machine is about to go | |
3050 | * down/suspend any moment. */ | |
3051 | if (m->action_what & w) | |
ebcf1f97 | 3052 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 3053 | |
c529695e LP |
3054 | r = bus_verify_polkit_async( |
3055 | message, | |
3056 | CAP_SYS_BOOT, | |
3057 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
3058 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
3059 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
3060 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
3061 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
3062 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
3063 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 3064 | NULL, |
c529695e LP |
3065 | false, |
3066 | UID_INVALID, | |
3067 | &m->polkit_registry, | |
3068 | error); | |
cc377381 | 3069 | if (r < 0) |
ebcf1f97 | 3070 | return r; |
cc377381 LP |
3071 | if (r == 0) |
3072 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 3073 | |
05bae4a6 | 3074 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
3075 | if (r < 0) |
3076 | return r; | |
3077 | ||
05bae4a6 | 3078 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 3079 | if (r < 0) |
ebcf1f97 | 3080 | return r; |
7f7bb946 | 3081 | |
5b12334d | 3082 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 3083 | if (r < 0) |
ebcf1f97 | 3084 | return r; |
47a26690 | 3085 | |
c5a11ae2 LP |
3086 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
3087 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
3088 | ||
cc377381 | 3089 | do { |
97b11eed | 3090 | id = mfree(id); |
47a26690 | 3091 | |
cc377381 | 3092 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 3093 | return -ENOMEM; |
47a26690 | 3094 | |
cc377381 | 3095 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 3096 | |
cc377381 LP |
3097 | r = manager_add_inhibitor(m, id, &i); |
3098 | if (r < 0) | |
ebcf1f97 | 3099 | return r; |
47a26690 | 3100 | |
cc377381 LP |
3101 | i->what = w; |
3102 | i->mode = mm; | |
3103 | i->pid = pid; | |
3104 | i->uid = uid; | |
3105 | i->why = strdup(why); | |
3106 | i->who = strdup(who); | |
7f7bb946 | 3107 | |
cc377381 | 3108 | if (!i->why || !i->who) { |
ebcf1f97 | 3109 | r = -ENOMEM; |
cc377381 LP |
3110 | goto fail; |
3111 | } | |
b668e064 | 3112 | |
cc377381 LP |
3113 | fifo_fd = inhibitor_create_fifo(i); |
3114 | if (fifo_fd < 0) { | |
ebcf1f97 | 3115 | r = fifo_fd; |
cc377381 LP |
3116 | goto fail; |
3117 | } | |
b668e064 | 3118 | |
cc377381 | 3119 | inhibitor_start(i); |
b668e064 | 3120 | |
df2d202e | 3121 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 3122 | |
cc377381 LP |
3123 | fail: |
3124 | if (i) | |
3125 | inhibitor_free(i); | |
89f13440 | 3126 | |
cc377381 LP |
3127 | return r; |
3128 | } | |
3f49d45a | 3129 | |
cc377381 LP |
3130 | const sd_bus_vtable manager_vtable[] = { |
3131 | SD_BUS_VTABLE_START(0), | |
3132 | ||
e2fa5721 DM |
3133 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
3134 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
3135 | ||
556089dc LP |
3136 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
3137 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
3138 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
3139 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
c30e0d7b | 3140 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, 0), |
31b221cf LP |
3141 | SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu, 0, 0), |
3142 | SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry, 0, 0), | |
3143 | SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
3144 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
3145 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3146 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3147 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3148 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc | 3149 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
9afe9efb | 3150 | SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL, offsetof(Manager, user_stop_delay), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
3151 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), |
3152 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
3153 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
3154 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
e25937a3 | 3155 | SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST), |
3c56cab4 | 3156 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 3157 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
3158 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
3159 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
3160 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
3161 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 3162 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 3163 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
9b9c23da | 3164 | SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0), |
4e96eb68 | 3165 | SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power, 0, 0), |
6d97d3c6 | 3166 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
a7b46b7d | 3167 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), |
c5a11ae2 | 3168 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 3169 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size, offsetof(Manager, inhibitors), 0), |
183e0738 | 3170 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 3171 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size, offsetof(Manager, sessions), 0), |
28414939 | 3172 | SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
cc377381 | 3173 | |
adacb957 LP |
3174 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
3175 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
3176 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
3177 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
3178 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
3179 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
3180 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
3181 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
3182 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 3183 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 3184 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
3185 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
3186 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
3187 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
3188 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
3189 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
3190 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
3191 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
3192 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
3193 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
3194 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
3195 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
3196 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
3197 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
3198 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
3199 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
3200 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 3201 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
3202 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
3203 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
3204 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 3205 | SD_BUS_METHOD("SuspendThenHibernate", "b", NULL, method_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
3206 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), |
3207 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 3208 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
3209 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
3210 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
3211 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 3212 | SD_BUS_METHOD("CanSuspendThenHibernate", NULL, "s", method_can_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
559b5cc2 LP |
3213 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
3214 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 3215 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 3216 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 3217 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
31b221cf LP |
3218 | SD_BUS_METHOD("CanRebootToBootLoaderMenu", NULL, "s", method_can_reboot_to_boot_loader_menu, SD_BUS_VTABLE_UNPRIVILEGED), |
3219 | SD_BUS_METHOD("SetRebootToBootLoaderMenu", "t", NULL, method_set_reboot_to_boot_loader_menu, SD_BUS_VTABLE_UNPRIVILEGED), | |
3220 | SD_BUS_METHOD("CanRebootToBootLoaderEntry", NULL, "s", method_can_reboot_to_boot_loader_entry, SD_BUS_VTABLE_UNPRIVILEGED), | |
3221 | SD_BUS_METHOD("SetRebootToBootLoaderEntry", "s", NULL, method_set_reboot_to_boot_loader_entry, SD_BUS_VTABLE_UNPRIVILEGED), | |
9ef15026 | 3222 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
3223 | |
3224 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
3225 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
3226 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
3227 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
3228 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
3229 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
3230 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
3231 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
3232 | ||
3233 | SD_BUS_VTABLE_END | |
3234 | }; | |
3f49d45a | 3235 | |
99e7e392 | 3236 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
99e7e392 DH |
3237 | assert(s); |
3238 | assert(unit); | |
3239 | ||
3240 | if (!s->started) | |
25a1ab4e | 3241 | return 0; |
99e7e392 | 3242 | |
25a1ab4e | 3243 | if (result && !streq(result, "done")) { |
4afd3348 | 3244 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 | 3245 | |
25a1ab4e LP |
3246 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit '%s' failed with '%s'", unit, result); |
3247 | return session_send_create_reply(s, &e); | |
99e7e392 DH |
3248 | } |
3249 | ||
25a1ab4e | 3250 | return session_send_create_reply(s, NULL); |
99e7e392 DH |
3251 | } |
3252 | ||
19070062 | 3253 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3254 | const char *path, *result, *unit; |
3255 | Manager *m = userdata; | |
3256 | Session *session; | |
3257 | uint32_t id; | |
3258 | User *user; | |
3259 | int r; | |
3f49d45a | 3260 | |
cc377381 LP |
3261 | assert(message); |
3262 | assert(m); | |
3f49d45a | 3263 | |
cc377381 LP |
3264 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
3265 | if (r < 0) { | |
ebcf1f97 | 3266 | bus_log_parse_error(r); |
65d73cf0 | 3267 | return 0; |
cc377381 | 3268 | } |
3f49d45a | 3269 | |
cc377381 | 3270 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 3271 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 3272 | |
cc377381 | 3273 | /* Tell people that they now may take a lock again */ |
401e33ed | 3274 | (void) send_prepare_for(m, m->action_what, false); |
3f49d45a | 3275 | |
491ac9f2 | 3276 | m->action_job = mfree(m->action_job); |
cc377381 LP |
3277 | m->action_unit = NULL; |
3278 | m->action_what = 0; | |
3279 | return 0; | |
3280 | } | |
3f49d45a | 3281 | |
cc377381 | 3282 | session = hashmap_get(m->session_units, unit); |
25a1ab4e LP |
3283 | if (session) { |
3284 | if (streq_ptr(path, session->scope_job)) { | |
3285 | session->scope_job = mfree(session->scope_job); | |
3286 | (void) session_jobs_reply(session, unit, result); | |
3287 | ||
3288 | session_save(session); | |
3289 | user_save(session->user); | |
3290 | } | |
3f49d45a | 3291 | |
cc377381 LP |
3292 | session_add_to_gc_queue(session); |
3293 | } | |
3f49d45a | 3294 | |
cc377381 | 3295 | user = hashmap_get(m->user_units, unit); |
25a1ab4e LP |
3296 | if (user) { |
3297 | if (streq_ptr(path, user->service_job)) { | |
491ac9f2 | 3298 | user->service_job = mfree(user->service_job); |
3f49d45a | 3299 | |
25a1ab4e LP |
3300 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
3301 | (void) session_jobs_reply(session, unit, NULL /* don't propagate user service failures to the client */); | |
3f49d45a | 3302 | |
25a1ab4e LP |
3303 | user_save(user); |
3304 | } | |
dd9b67aa | 3305 | |
cc377381 | 3306 | user_add_to_gc_queue(user); |
3f49d45a LP |
3307 | } |
3308 | ||
cc377381 | 3309 | return 0; |
3f49d45a LP |
3310 | } |
3311 | ||
19070062 | 3312 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 3313 | const char *path, *unit; |
1713813d | 3314 | Manager *m = userdata; |
cc377381 LP |
3315 | Session *session; |
3316 | User *user; | |
3317 | int r; | |
1713813d | 3318 | |
1713813d | 3319 | assert(message); |
cc377381 | 3320 | assert(m); |
1713813d | 3321 | |
cc377381 LP |
3322 | r = sd_bus_message_read(message, "so", &unit, &path); |
3323 | if (r < 0) { | |
ebcf1f97 | 3324 | bus_log_parse_error(r); |
65d73cf0 | 3325 | return 0; |
cc377381 | 3326 | } |
fb6becb4 | 3327 | |
cc377381 LP |
3328 | session = hashmap_get(m->session_units, unit); |
3329 | if (session) | |
3330 | session_add_to_gc_queue(session); | |
fb6becb4 | 3331 | |
cc377381 LP |
3332 | user = hashmap_get(m->user_units, unit); |
3333 | if (user) | |
3334 | user_add_to_gc_queue(user); | |
fb6becb4 | 3335 | |
cc377381 LP |
3336 | return 0; |
3337 | } | |
fb6becb4 | 3338 | |
19070062 | 3339 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3340 | _cleanup_free_ char *unit = NULL; |
3341 | Manager *m = userdata; | |
3342 | const char *path; | |
3343 | Session *session; | |
3344 | User *user; | |
ebcf1f97 | 3345 | int r; |
fb6becb4 | 3346 | |
cc377381 LP |
3347 | assert(message); |
3348 | assert(m); | |
fb6becb4 | 3349 | |
cc377381 LP |
3350 | path = sd_bus_message_get_path(message); |
3351 | if (!path) | |
3352 | return 0; | |
fb6becb4 | 3353 | |
ebcf1f97 | 3354 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
3355 | if (r == -EINVAL) /* not a unit */ |
3356 | return 0; | |
65d73cf0 LP |
3357 | if (r < 0) { |
3358 | log_oom(); | |
3359 | return 0; | |
3360 | } | |
fb6becb4 | 3361 | |
cc377381 LP |
3362 | session = hashmap_get(m->session_units, unit); |
3363 | if (session) | |
3364 | session_add_to_gc_queue(session); | |
fb6becb4 | 3365 | |
cc377381 LP |
3366 | user = hashmap_get(m->user_units, unit); |
3367 | if (user) | |
3368 | user_add_to_gc_queue(user); | |
fb6becb4 | 3369 | |
cc377381 LP |
3370 | return 0; |
3371 | } | |
6fa48533 | 3372 | |
19070062 | 3373 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3374 | Manager *m = userdata; |
3375 | Session *session; | |
3376 | Iterator i; | |
3377 | int b, r; | |
943aca8e | 3378 | |
19070062 LP |
3379 | assert(message); |
3380 | assert(m); | |
943aca8e | 3381 | |
cc377381 LP |
3382 | r = sd_bus_message_read(message, "b", &b); |
3383 | if (r < 0) { | |
ebcf1f97 | 3384 | bus_log_parse_error(r); |
65d73cf0 | 3385 | return 0; |
cc377381 | 3386 | } |
943aca8e | 3387 | |
cc377381 LP |
3388 | if (b) |
3389 | return 0; | |
943aca8e | 3390 | |
cc377381 LP |
3391 | /* systemd finished reloading, let's recheck all our sessions */ |
3392 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 3393 | |
cc377381 LP |
3394 | HASHMAP_FOREACH(session, m->sessions, i) |
3395 | session_add_to_gc_queue(session); | |
6797c324 | 3396 | |
cc377381 LP |
3397 | return 0; |
3398 | } | |
943aca8e | 3399 | |
cc377381 LP |
3400 | int manager_send_changed(Manager *manager, const char *property, ...) { |
3401 | char **l; | |
9418f147 LP |
3402 | |
3403 | assert(manager); | |
3404 | ||
cc377381 | 3405 | l = strv_from_stdarg_alloca(property); |
9418f147 | 3406 | |
cc377381 LP |
3407 | return sd_bus_emit_properties_changed_strv( |
3408 | manager->bus, | |
3409 | "/org/freedesktop/login1", | |
3410 | "org.freedesktop.login1.Manager", | |
3411 | l); | |
9418f147 | 3412 | } |
eecd1362 | 3413 | |
2adae5ac ZJS |
3414 | static int strdup_job(sd_bus_message *reply, char **job) { |
3415 | const char *j; | |
3416 | char *copy; | |
3417 | int r; | |
3418 | ||
3419 | r = sd_bus_message_read(reply, "o", &j); | |
3420 | if (r < 0) | |
3421 | return r; | |
3422 | ||
3423 | copy = strdup(j); | |
3424 | if (!copy) | |
3425 | return -ENOMEM; | |
3426 | ||
3427 | *job = copy; | |
3428 | return 1; | |
3429 | } | |
3430 | ||
fb6becb4 LP |
3431 | int manager_start_scope( |
3432 | Manager *manager, | |
3433 | const char *scope, | |
3434 | pid_t pid, | |
3435 | const char *slice, | |
3436 | const char *description, | |
25a1ab4e LP |
3437 | char **wants, |
3438 | char **after, | |
d5ac9d06 | 3439 | const char *requires_mounts_for, |
22f93314 | 3440 | sd_bus_message *more_properties, |
cc377381 | 3441 | sd_bus_error *error, |
fb6becb4 LP |
3442 | char **job) { |
3443 | ||
4afd3348 | 3444 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
25a1ab4e | 3445 | char **i; |
cc377381 | 3446 | int r; |
fb6becb4 LP |
3447 | |
3448 | assert(manager); | |
3449 | assert(scope); | |
3450 | assert(pid > 1); | |
2adae5ac | 3451 | assert(job); |
fb6becb4 | 3452 | |
cc377381 LP |
3453 | r = sd_bus_message_new_method_call( |
3454 | manager->bus, | |
151b9b96 | 3455 | &m, |
fb6becb4 LP |
3456 | "org.freedesktop.systemd1", |
3457 | "/org/freedesktop/systemd1", | |
3458 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 3459 | "StartTransientUnit"); |
cc377381 LP |
3460 | if (r < 0) |
3461 | return r; | |
fb6becb4 | 3462 | |
cc377381 LP |
3463 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
3464 | if (r < 0) | |
3465 | return r; | |
fb6becb4 | 3466 | |
cc377381 LP |
3467 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
3468 | if (r < 0) | |
3469 | return r; | |
fb6becb4 LP |
3470 | |
3471 | if (!isempty(slice)) { | |
cc377381 LP |
3472 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
3473 | if (r < 0) | |
3474 | return r; | |
fb6becb4 LP |
3475 | } |
3476 | ||
3477 | if (!isempty(description)) { | |
cc377381 LP |
3478 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
3479 | if (r < 0) | |
3480 | return r; | |
fb6becb4 LP |
3481 | } |
3482 | ||
25a1ab4e LP |
3483 | STRV_FOREACH(i, wants) { |
3484 | r = sd_bus_message_append(m, "(sv)", "Wants", "as", 1, *i); | |
cc377381 LP |
3485 | if (r < 0) |
3486 | return r; | |
7fb3ee51 LP |
3487 | } |
3488 | ||
25a1ab4e LP |
3489 | STRV_FOREACH(i, after) { |
3490 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, *i); | |
ba4c5d93 LP |
3491 | if (r < 0) |
3492 | return r; | |
3493 | } | |
3494 | ||
d5ac9d06 LP |
3495 | if (!empty_or_root(requires_mounts_for)) { |
3496 | r = sd_bus_message_append(m, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for); | |
3497 | if (r < 0) | |
3498 | return r; | |
3499 | } | |
3500 | ||
e743bca2 LP |
3501 | /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore |
3502 | * SIGTERM */ | |
cc377381 LP |
3503 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3504 | if (r < 0) | |
3505 | return r; | |
3506 | ||
3507 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3508 | if (r < 0) | |
3509 | return r; | |
3510 | ||
22f93314 JS |
3511 | /* disable TasksMax= for the session scope, rely on the slice setting for it */ |
3512 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", (uint64_t)-1); | |
90558f31 | 3513 | if (r < 0) |
22f93314 JS |
3514 | return bus_log_create_error(r); |
3515 | ||
3516 | if (more_properties) { | |
3517 | /* If TasksMax also appears here, it will overwrite the default value set above */ | |
3518 | r = sd_bus_message_copy(m, more_properties, true); | |
3519 | if (r < 0) | |
3520 | return r; | |
3521 | } | |
90558f31 | 3522 | |
cc377381 LP |
3523 | r = sd_bus_message_close_container(m); |
3524 | if (r < 0) | |
3525 | return r; | |
86b8d289 LP |
3526 | |
3527 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3528 | if (r < 0) | |
3529 | return r; | |
cc377381 | 3530 | |
c49b30a2 | 3531 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3532 | if (r < 0) |
3533 | return r; | |
fb6becb4 | 3534 | |
2adae5ac | 3535 | return strdup_job(reply, job); |
fb6becb4 LP |
3536 | } |
3537 | ||
cc377381 | 3538 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3539 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3540 | int r; |
3541 | ||
3542 | assert(manager); | |
3543 | assert(unit); | |
2adae5ac | 3544 | assert(job); |
fb6becb4 | 3545 | |
cc377381 | 3546 | r = sd_bus_call_method( |
fb6becb4 LP |
3547 | manager->bus, |
3548 | "org.freedesktop.systemd1", | |
3549 | "/org/freedesktop/systemd1", | |
3550 | "org.freedesktop.systemd1.Manager", | |
3551 | "StartUnit", | |
fb6becb4 | 3552 | error, |
cc377381 | 3553 | &reply, |
79ee4ad1 | 3554 | "ss", unit, "replace"); |
cc377381 | 3555 | if (r < 0) |
fb6becb4 | 3556 | return r; |
fb6becb4 | 3557 | |
2adae5ac | 3558 | return strdup_job(reply, job); |
fb6becb4 LP |
3559 | } |
3560 | ||
cc377381 | 3561 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3562 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3563 | int r; |
3564 | ||
3565 | assert(manager); | |
3566 | assert(unit); | |
2adae5ac | 3567 | assert(job); |
fb6becb4 | 3568 | |
cc377381 | 3569 | r = sd_bus_call_method( |
fb6becb4 LP |
3570 | manager->bus, |
3571 | "org.freedesktop.systemd1", | |
3572 | "/org/freedesktop/systemd1", | |
3573 | "org.freedesktop.systemd1.Manager", | |
3574 | "StopUnit", | |
fb6becb4 | 3575 | error, |
cc377381 LP |
3576 | &reply, |
3577 | "ss", unit, "fail"); | |
fb6becb4 | 3578 | if (r < 0) { |
cc377381 LP |
3579 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3580 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3581 | |
2adae5ac | 3582 | *job = NULL; |
cc377381 | 3583 | sd_bus_error_free(error); |
6797c324 LP |
3584 | return 0; |
3585 | } | |
3586 | ||
fb6becb4 LP |
3587 | return r; |
3588 | } | |
3589 | ||
2adae5ac | 3590 | return strdup_job(reply, job); |
fb6becb4 LP |
3591 | } |
3592 | ||
ea3a7cf6 LP |
3593 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *ret_error) { |
3594 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5f41d1f1 LP |
3595 | _cleanup_free_ char *path = NULL; |
3596 | int r; | |
3597 | ||
3598 | assert(manager); | |
3599 | assert(scope); | |
3600 | ||
3601 | path = unit_dbus_path_from_name(scope); | |
3602 | if (!path) | |
3603 | return -ENOMEM; | |
3604 | ||
3605 | r = sd_bus_call_method( | |
3606 | manager->bus, | |
3607 | "org.freedesktop.systemd1", | |
3608 | path, | |
3609 | "org.freedesktop.systemd1.Scope", | |
3610 | "Abandon", | |
ea3a7cf6 | 3611 | &error, |
5f41d1f1 LP |
3612 | NULL, |
3613 | NULL); | |
3614 | if (r < 0) { | |
ea3a7cf6 LP |
3615 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
3616 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED) || | |
3617 | sd_bus_error_has_name(&error, BUS_ERROR_SCOPE_NOT_RUNNING)) | |
5f41d1f1 | 3618 | return 0; |
5f41d1f1 | 3619 | |
ea3a7cf6 | 3620 | sd_bus_error_move(ret_error, &error); |
5f41d1f1 LP |
3621 | return r; |
3622 | } | |
3623 | ||
3624 | return 1; | |
3625 | } | |
3626 | ||
cc377381 | 3627 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3628 | assert(manager); |
3629 | assert(unit); | |
3630 | ||
cc377381 | 3631 | return sd_bus_call_method( |
fb6becb4 LP |
3632 | manager->bus, |
3633 | "org.freedesktop.systemd1", | |
3634 | "/org/freedesktop/systemd1", | |
3635 | "org.freedesktop.systemd1.Manager", | |
3636 | "KillUnit", | |
fb6becb4 | 3637 | error, |
cc377381 LP |
3638 | NULL, |
3639 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3640 | } |
3641 | ||
bd26aee1 | 3642 | int manager_unit_is_active(Manager *manager, const char *unit, sd_bus_error *ret_error) { |
4afd3348 LP |
3643 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3644 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3645 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3646 | const char *state; |
fb6becb4 LP |
3647 | int r; |
3648 | ||
3649 | assert(manager); | |
3650 | assert(unit); | |
3651 | ||
fb6becb4 LP |
3652 | path = unit_dbus_path_from_name(unit); |
3653 | if (!path) | |
3654 | return -ENOMEM; | |
3655 | ||
cc377381 | 3656 | r = sd_bus_get_property( |
fb6becb4 LP |
3657 | manager->bus, |
3658 | "org.freedesktop.systemd1", | |
3659 | path, | |
cc377381 LP |
3660 | "org.freedesktop.systemd1.Unit", |
3661 | "ActiveState", | |
fb6becb4 | 3662 | &error, |
cc377381 LP |
3663 | &reply, |
3664 | "s"); | |
fb6becb4 | 3665 | if (r < 0) { |
cc377381 LP |
3666 | /* systemd might have droppped off momentarily, let's |
3667 | * not make this an error */ | |
3668 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3669 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3670 | return true; |
6797c324 | 3671 | |
cc377381 LP |
3672 | /* If the unit is already unloaded then it's not |
3673 | * active */ | |
3674 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3675 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3676 | return false; |
6797c324 | 3677 | |
bd26aee1 | 3678 | sd_bus_error_move(ret_error, &error); |
fb6becb4 LP |
3679 | return r; |
3680 | } | |
3681 | ||
cc377381 LP |
3682 | r = sd_bus_message_read(reply, "s", &state); |
3683 | if (r < 0) | |
bd26aee1 | 3684 | return r; |
fb6becb4 | 3685 | |
bd26aee1 | 3686 | return !STR_IN_SET(state, "inactive", "failed"); |
cc377381 LP |
3687 | } |
3688 | ||
bd26aee1 | 3689 | int manager_job_is_active(Manager *manager, const char *path, sd_bus_error *ret_error) { |
4afd3348 LP |
3690 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3691 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3692 | int r; |
3693 | ||
3694 | assert(manager); | |
3695 | assert(path); | |
3696 | ||
3697 | r = sd_bus_get_property( | |
3698 | manager->bus, | |
3699 | "org.freedesktop.systemd1", | |
3700 | path, | |
3701 | "org.freedesktop.systemd1.Job", | |
3702 | "State", | |
3703 | &error, | |
3704 | &reply, | |
3705 | "s"); | |
3706 | if (r < 0) { | |
3707 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3708 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3709 | return true; | |
3710 | ||
3711 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3712 | return false; | |
3713 | ||
bd26aee1 | 3714 | sd_bus_error_move(ret_error, &error); |
cc377381 | 3715 | return r; |
fb6becb4 LP |
3716 | } |
3717 | ||
cc377381 LP |
3718 | /* We don't actually care about the state really. The fact |
3719 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3720 | |
cc377381 | 3721 | return true; |
fb6becb4 | 3722 | } |