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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" |
96aad8d1 | 13 | #include "bus-common-errors.h" |
4f5dd394 | 14 | #include "bus-error.h" |
c8c8ee85 | 15 | #include "bus-unit-util.h" |
4f5dd394 | 16 | #include "bus-util.h" |
75100aeb | 17 | #include "cgroup-util.h" |
8437c059 | 18 | #include "device-util.h" |
a0956174 | 19 | #include "dirent-util.h" |
5bdf2243 | 20 | #include "efivars.h" |
4f5dd394 | 21 | #include "escape.h" |
3ffd4af2 | 22 | #include "fd-util.h" |
4f5dd394 | 23 | #include "fileio-label.h" |
f97b34a6 | 24 | #include "format-util.h" |
f4f15635 | 25 | #include "fs-util.h" |
4f5dd394 LP |
26 | #include "logind.h" |
27 | #include "mkdir.h" | |
28 | #include "path-util.h" | |
0b452006 | 29 | #include "process-util.h" |
4f5dd394 LP |
30 | #include "selinux-util.h" |
31 | #include "sleep-config.h" | |
32 | #include "special.h" | |
33 | #include "strv.h" | |
288a74cc | 34 | #include "terminal-util.h" |
4f5dd394 | 35 | #include "unit-name.h" |
b1d4f8e1 | 36 | #include "user-util.h" |
e2fa5721 | 37 | #include "utmp-wtmp.h" |
3f49d45a | 38 | |
aeb07570 AJ |
39 | static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) { |
40 | ||
4afd3348 | 41 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
aeb07570 | 42 | const char *name; |
309a29df LP |
43 | Session *session; |
44 | int r; | |
45 | ||
7b33c622 AJ |
46 | /* Get client login session. This is not what you are looking for these days, |
47 | * as apps may instead belong to a user service unit. This includes terminal | |
48 | * emulators and hence command-line apps. */ | |
aeb07570 AJ |
49 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); |
50 | if (r < 0) | |
51 | return r; | |
52 | ||
53 | r = sd_bus_creds_get_session(creds, &name); | |
54 | if (r == -ENXIO) | |
55 | goto err_no_session; | |
56 | if (r < 0) | |
57 | return r; | |
58 | ||
59 | session = hashmap_get(m->sessions, name); | |
60 | if (!session) | |
61 | goto err_no_session; | |
62 | ||
63 | *ret = session; | |
64 | return 0; | |
65 | ||
66 | err_no_session: | |
67 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
68 | "Caller does not belong to any known session"); | |
69 | } | |
70 | ||
71 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { | |
72 | Session *session; | |
73 | ||
309a29df LP |
74 | assert(m); |
75 | assert(message); | |
76 | assert(ret); | |
77 | ||
aeb07570 AJ |
78 | if (isempty(name)) |
79 | return get_sender_session(m, message, error, ret); | |
309a29df LP |
80 | |
81 | session = hashmap_get(m->sessions, name); | |
82 | if (!session) | |
83 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
84 | ||
85 | *ret = session; | |
86 | return 0; | |
87 | } | |
88 | ||
aeb07570 AJ |
89 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
90 | ||
91 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
92 | uid_t uid; | |
309a29df LP |
93 | User *user; |
94 | int r; | |
95 | ||
aeb07570 AJ |
96 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
97 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
98 | if (r < 0) | |
99 | return r; | |
100 | ||
101 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
102 | if (r == -ENXIO) | |
103 | goto err_no_user; | |
104 | if (r < 0) | |
105 | return r; | |
106 | ||
107 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
108 | if (!user) | |
109 | goto err_no_user; | |
110 | ||
111 | *ret = user; | |
112 | return 0; | |
113 | ||
114 | err_no_user: | |
095b8833 | 115 | 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 |
116 | } |
117 | ||
118 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
119 | User *user; | |
120 | ||
309a29df LP |
121 | assert(m); |
122 | assert(message); | |
123 | assert(ret); | |
124 | ||
aeb07570 AJ |
125 | if (!uid_is_valid(uid)) |
126 | return get_sender_user(m, message, error, ret); | |
309a29df | 127 | |
8cb4ab00 | 128 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 129 | if (!user) |
095b8833 | 130 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid); |
309a29df LP |
131 | |
132 | *ret = user; | |
133 | return 0; | |
134 | } | |
135 | ||
136 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
137 | Seat *seat; | |
138 | int r; | |
139 | ||
140 | assert(m); | |
141 | assert(message); | |
142 | assert(ret); | |
143 | ||
144 | if (isempty(name)) { | |
145 | Session *session; | |
146 | ||
147 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
148 | if (r < 0) | |
149 | return r; | |
150 | ||
151 | seat = session->seat; | |
309a29df LP |
152 | if (!seat) |
153 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
154 | } else { | |
155 | seat = hashmap_get(m->seats, name); | |
156 | if (!seat) | |
157 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
158 | } | |
159 | ||
160 | *ret = seat; | |
161 | return 0; | |
162 | } | |
163 | ||
cc377381 LP |
164 | static int property_get_idle_hint( |
165 | sd_bus *bus, | |
166 | const char *path, | |
167 | const char *interface, | |
168 | const char *property, | |
169 | sd_bus_message *reply, | |
ebcf1f97 LP |
170 | void *userdata, |
171 | sd_bus_error *error) { | |
a185c5aa | 172 | |
cc377381 | 173 | Manager *m = userdata; |
a185c5aa | 174 | |
cc377381 LP |
175 | assert(bus); |
176 | assert(reply); | |
177 | assert(m); | |
178 | ||
179 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
180 | } |
181 | ||
cc377381 LP |
182 | static int property_get_idle_since_hint( |
183 | sd_bus *bus, | |
184 | const char *path, | |
185 | const char *interface, | |
186 | const char *property, | |
187 | sd_bus_message *reply, | |
ebcf1f97 LP |
188 | void *userdata, |
189 | sd_bus_error *error) { | |
cc377381 LP |
190 | |
191 | Manager *m = userdata; | |
5cb14b37 | 192 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 193 | |
cc377381 LP |
194 | assert(bus); |
195 | assert(reply); | |
a185c5aa LP |
196 | assert(m); |
197 | ||
198 | manager_get_idle_hint(m, &t); | |
a185c5aa | 199 | |
cc377381 | 200 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
201 | } |
202 | ||
cc377381 LP |
203 | static int property_get_inhibited( |
204 | sd_bus *bus, | |
205 | const char *path, | |
206 | const char *interface, | |
207 | const char *property, | |
208 | sd_bus_message *reply, | |
ebcf1f97 LP |
209 | void *userdata, |
210 | sd_bus_error *error) { | |
cc377381 LP |
211 | |
212 | Manager *m = userdata; | |
f8e2fb7b | 213 | InhibitWhat w; |
f8e2fb7b | 214 | |
cc377381 LP |
215 | assert(bus); |
216 | assert(reply); | |
217 | assert(m); | |
f8e2fb7b | 218 | |
cc377381 | 219 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 220 | |
cc377381 | 221 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
222 | } |
223 | ||
cc377381 LP |
224 | static int property_get_preparing( |
225 | sd_bus *bus, | |
226 | const char *path, | |
227 | const char *interface, | |
228 | const char *property, | |
229 | sd_bus_message *reply, | |
ebcf1f97 LP |
230 | void *userdata, |
231 | sd_bus_error *error) { | |
cc377381 LP |
232 | |
233 | Manager *m = userdata; | |
234 | bool b; | |
5e4a79da | 235 | |
cc377381 LP |
236 | assert(bus); |
237 | assert(reply); | |
238 | assert(m); | |
5e4a79da LP |
239 | |
240 | if (streq(property, "PreparingForShutdown")) | |
5d904a6a | 241 | b = m->action_what & INHIBIT_SHUTDOWN; |
5e4a79da | 242 | else |
5d904a6a | 243 | b = m->action_what & INHIBIT_SLEEP; |
5e4a79da | 244 | |
cc377381 | 245 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
246 | } |
247 | ||
8aaa023a DM |
248 | static int property_get_scheduled_shutdown( |
249 | sd_bus *bus, | |
250 | const char *path, | |
251 | const char *interface, | |
252 | const char *property, | |
253 | sd_bus_message *reply, | |
254 | void *userdata, | |
255 | sd_bus_error *error) { | |
256 | ||
257 | Manager *m = userdata; | |
258 | int r; | |
259 | ||
260 | assert(bus); | |
261 | assert(reply); | |
262 | assert(m); | |
263 | ||
264 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
265 | if (r < 0) | |
266 | return r; | |
267 | ||
268 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
269 | if (r < 0) | |
270 | return r; | |
271 | ||
272 | return sd_bus_message_close_container(reply); | |
273 | } | |
274 | ||
cc377381 | 275 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
01adcd69 | 276 | static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays); |
9b9c23da | 277 | static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed); |
4e96eb68 | 278 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power, "b", manager_is_on_external_power); |
01adcd69 YW |
279 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX); |
280 | static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size); | |
28414939 | 281 | |
19070062 | 282 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
283 | _cleanup_free_ char *p = NULL; |
284 | Manager *m = userdata; | |
285 | const char *name; | |
286 | Session *session; | |
287 | int r; | |
288 | ||
cc377381 LP |
289 | assert(message); |
290 | assert(m); | |
291 | ||
292 | r = sd_bus_message_read(message, "s", &name); | |
293 | if (r < 0) | |
ebcf1f97 | 294 | return r; |
cc377381 | 295 | |
309a29df LP |
296 | r = manager_get_session_from_creds(m, message, name, error, &session); |
297 | if (r < 0) | |
298 | return r; | |
cc377381 LP |
299 | |
300 | p = session_bus_path(session); | |
301 | if (!p) | |
ebcf1f97 | 302 | return -ENOMEM; |
cc377381 | 303 | |
df2d202e | 304 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
305 | } |
306 | ||
7b33c622 AJ |
307 | /* Get login session of a process. This is not what you are looking for these days, |
308 | * as apps may instead belong to a user service unit. This includes terminal | |
309 | * emulators and hence command-line apps. */ | |
19070062 | 310 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 311 | _cleanup_free_ char *p = NULL; |
954449b8 | 312 | Session *session = NULL; |
cc377381 | 313 | Manager *m = userdata; |
4e724d9c | 314 | pid_t pid; |
cc377381 LP |
315 | int r; |
316 | ||
cc377381 LP |
317 | assert(message); |
318 | assert(m); | |
319 | ||
4e724d9c LP |
320 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
321 | ||
cc377381 LP |
322 | r = sd_bus_message_read(message, "u", &pid); |
323 | if (r < 0) | |
ebcf1f97 | 324 | return r; |
07b38ba5 | 325 | if (pid < 0) |
06820eaf | 326 | return -EINVAL; |
cc377381 | 327 | |
06820eaf | 328 | if (pid == 0) { |
309a29df | 329 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
330 | if (r < 0) |
331 | return r; | |
309a29df LP |
332 | } else { |
333 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 334 | if (r < 0) |
ebcf1f97 | 335 | return r; |
4e724d9c | 336 | |
309a29df LP |
337 | if (!session) |
338 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
339 | } | |
cc377381 LP |
340 | |
341 | p = session_bus_path(session); | |
342 | if (!p) | |
ebcf1f97 | 343 | return -ENOMEM; |
cc377381 | 344 | |
df2d202e | 345 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
346 | } |
347 | ||
19070062 | 348 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
349 | _cleanup_free_ char *p = NULL; |
350 | Manager *m = userdata; | |
351 | uint32_t uid; | |
352 | User *user; | |
353 | int r; | |
354 | ||
cc377381 LP |
355 | assert(message); |
356 | assert(m); | |
357 | ||
358 | r = sd_bus_message_read(message, "u", &uid); | |
359 | if (r < 0) | |
ebcf1f97 | 360 | return r; |
cc377381 | 361 | |
309a29df LP |
362 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
363 | if (r < 0) | |
364 | return r; | |
cc377381 LP |
365 | |
366 | p = user_bus_path(user); | |
367 | if (!p) | |
ebcf1f97 | 368 | return -ENOMEM; |
cc377381 | 369 | |
df2d202e | 370 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
371 | } |
372 | ||
19070062 | 373 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
374 | _cleanup_free_ char *p = NULL; |
375 | Manager *m = userdata; | |
954449b8 | 376 | User *user = NULL; |
4e724d9c | 377 | pid_t pid; |
fb6becb4 | 378 | int r; |
98a28fef | 379 | |
cc377381 | 380 | assert(message); |
98a28fef | 381 | assert(m); |
cc377381 | 382 | |
4e724d9c LP |
383 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
384 | ||
cc377381 LP |
385 | r = sd_bus_message_read(message, "u", &pid); |
386 | if (r < 0) | |
ebcf1f97 | 387 | return r; |
07b38ba5 | 388 | if (pid < 0) |
06820eaf | 389 | return -EINVAL; |
cc377381 | 390 | |
06820eaf | 391 | if (pid == 0) { |
309a29df | 392 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
393 | if (r < 0) |
394 | return r; | |
309a29df LP |
395 | } else { |
396 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 397 | if (r < 0) |
ebcf1f97 | 398 | return r; |
309a29df | 399 | if (!user) |
095b8833 AJ |
400 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
401 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
402 | pid); | |
4e724d9c LP |
403 | } |
404 | ||
cc377381 LP |
405 | p = user_bus_path(user); |
406 | if (!p) | |
ebcf1f97 | 407 | return -ENOMEM; |
cc377381 | 408 | |
df2d202e | 409 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
410 | } |
411 | ||
19070062 | 412 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
413 | _cleanup_free_ char *p = NULL; |
414 | Manager *m = userdata; | |
415 | const char *name; | |
416 | Seat *seat; | |
417 | int r; | |
418 | ||
98a28fef | 419 | assert(message); |
cc377381 | 420 | assert(m); |
98a28fef | 421 | |
cc377381 LP |
422 | r = sd_bus_message_read(message, "s", &name); |
423 | if (r < 0) | |
ebcf1f97 | 424 | return r; |
98a28fef | 425 | |
309a29df LP |
426 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
427 | if (r < 0) | |
428 | return r; | |
98a28fef | 429 | |
cc377381 LP |
430 | p = seat_bus_path(seat); |
431 | if (!p) | |
ebcf1f97 | 432 | return -ENOMEM; |
98a28fef | 433 | |
df2d202e | 434 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 435 | } |
98a28fef | 436 | |
19070062 | 437 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 438 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
439 | Manager *m = userdata; |
440 | Session *session; | |
441 | Iterator i; | |
442 | int r; | |
443 | ||
cc377381 LP |
444 | assert(message); |
445 | assert(m); | |
98a28fef | 446 | |
df2d202e | 447 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 448 | if (r < 0) |
ebcf1f97 | 449 | return r; |
98a28fef | 450 | |
cc377381 LP |
451 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
452 | if (r < 0) | |
ebcf1f97 | 453 | return r; |
cc377381 LP |
454 | |
455 | HASHMAP_FOREACH(session, m->sessions, i) { | |
456 | _cleanup_free_ char *p = NULL; | |
457 | ||
458 | p = session_bus_path(session); | |
459 | if (!p) | |
ebcf1f97 | 460 | return -ENOMEM; |
cc377381 LP |
461 | |
462 | r = sd_bus_message_append(reply, "(susso)", | |
463 | session->id, | |
464 | (uint32_t) session->user->uid, | |
465 | session->user->name, | |
466 | session->seat ? session->seat->id : "", | |
467 | p); | |
468 | if (r < 0) | |
ebcf1f97 | 469 | return r; |
cc377381 LP |
470 | } |
471 | ||
472 | r = sd_bus_message_close_container(reply); | |
473 | if (r < 0) | |
ebcf1f97 | 474 | return r; |
cc377381 | 475 | |
9030ca46 | 476 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
477 | } |
478 | ||
19070062 | 479 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 480 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
481 | Manager *m = userdata; |
482 | User *user; | |
483 | Iterator i; | |
484 | int r; | |
485 | ||
cc377381 LP |
486 | assert(message); |
487 | assert(m); | |
488 | ||
df2d202e | 489 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 490 | if (r < 0) |
ebcf1f97 | 491 | return r; |
cc377381 LP |
492 | |
493 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
494 | if (r < 0) | |
ebcf1f97 | 495 | return r; |
cc377381 LP |
496 | |
497 | HASHMAP_FOREACH(user, m->users, i) { | |
498 | _cleanup_free_ char *p = NULL; | |
499 | ||
500 | p = user_bus_path(user); | |
501 | if (!p) | |
ebcf1f97 | 502 | return -ENOMEM; |
cc377381 LP |
503 | |
504 | r = sd_bus_message_append(reply, "(uso)", | |
505 | (uint32_t) user->uid, | |
506 | user->name, | |
507 | p); | |
508 | if (r < 0) | |
ebcf1f97 | 509 | return r; |
cc377381 LP |
510 | } |
511 | ||
512 | r = sd_bus_message_close_container(reply); | |
513 | if (r < 0) | |
ebcf1f97 | 514 | return r; |
cc377381 | 515 | |
9030ca46 | 516 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
517 | } |
518 | ||
19070062 | 519 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 520 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
521 | Manager *m = userdata; |
522 | Seat *seat; | |
523 | Iterator i; | |
524 | int r; | |
525 | ||
cc377381 LP |
526 | assert(message); |
527 | assert(m); | |
528 | ||
df2d202e | 529 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 530 | if (r < 0) |
ebcf1f97 | 531 | return r; |
cc377381 LP |
532 | |
533 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
534 | if (r < 0) | |
ebcf1f97 | 535 | return r; |
cc377381 LP |
536 | |
537 | HASHMAP_FOREACH(seat, m->seats, i) { | |
538 | _cleanup_free_ char *p = NULL; | |
539 | ||
540 | p = seat_bus_path(seat); | |
541 | if (!p) | |
ebcf1f97 | 542 | return -ENOMEM; |
cc377381 | 543 | |
b8358bce | 544 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 545 | if (r < 0) |
ebcf1f97 | 546 | return r; |
cc377381 LP |
547 | } |
548 | ||
549 | r = sd_bus_message_close_container(reply); | |
550 | if (r < 0) | |
ebcf1f97 | 551 | return r; |
cc377381 | 552 | |
9030ca46 | 553 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
554 | } |
555 | ||
19070062 | 556 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 557 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
558 | Manager *m = userdata; |
559 | Inhibitor *inhibitor; | |
560 | Iterator i; | |
561 | int r; | |
562 | ||
19070062 LP |
563 | assert(message); |
564 | assert(m); | |
565 | ||
df2d202e | 566 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 567 | if (r < 0) |
ebcf1f97 | 568 | return r; |
cc377381 LP |
569 | |
570 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
571 | if (r < 0) | |
ebcf1f97 | 572 | return r; |
cc377381 LP |
573 | |
574 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
575 | ||
dbfa3fbb | 576 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
577 | strempty(inhibit_what_to_string(inhibitor->what)), |
578 | strempty(inhibitor->who), | |
579 | strempty(inhibitor->why), | |
580 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
581 | (uint32_t) inhibitor->uid, | |
582 | (uint32_t) inhibitor->pid); | |
583 | if (r < 0) | |
ebcf1f97 | 584 | return r; |
cc377381 LP |
585 | } |
586 | ||
587 | r = sd_bus_message_close_container(reply); | |
588 | if (r < 0) | |
ebcf1f97 | 589 | return r; |
cc377381 | 590 | |
9030ca46 | 591 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
592 | } |
593 | ||
19070062 | 594 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 595 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
c7543606 | 596 | _cleanup_free_ char *id = NULL; |
cc377381 | 597 | Session *session = NULL; |
bc2b6332 | 598 | uint32_t audit_id = 0; |
cc377381 LP |
599 | Manager *m = userdata; |
600 | User *user = NULL; | |
601 | Seat *seat = NULL; | |
06820eaf LP |
602 | pid_t leader; |
603 | uid_t uid; | |
cc377381 LP |
604 | int remote; |
605 | uint32_t vtnr = 0; | |
606 | SessionType t; | |
607 | SessionClass c; | |
608 | int r; | |
609 | ||
cc377381 LP |
610 | assert(message); |
611 | assert(m); | |
612 | ||
06820eaf LP |
613 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
614 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
615 | ||
a4cd87e9 | 616 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 617 | if (r < 0) |
ebcf1f97 | 618 | return r; |
cc377381 | 619 | |
06820eaf LP |
620 | if (!uid_is_valid(uid)) |
621 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
bc2b6332 | 622 | if (leader < 0 || leader == 1 || leader == getpid_cached()) |
ebcf1f97 | 623 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 624 | |
e2acb67b LP |
625 | if (isempty(type)) |
626 | t = _SESSION_TYPE_INVALID; | |
627 | else { | |
628 | t = session_type_from_string(type); | |
629 | if (t < 0) | |
ebcf1f97 | 630 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 631 | } |
98a28fef | 632 | |
55efac6c | 633 | if (isempty(class)) |
e2acb67b LP |
634 | c = _SESSION_CLASS_INVALID; |
635 | else { | |
55efac6c | 636 | c = session_class_from_string(class); |
e2acb67b | 637 | if (c < 0) |
ebcf1f97 | 638 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 639 | } |
55efac6c | 640 | |
a4cd87e9 LP |
641 | if (isempty(desktop)) |
642 | desktop = NULL; | |
643 | else { | |
644 | if (!string_is_safe(desktop)) | |
645 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
646 | } | |
647 | ||
954449b8 LP |
648 | if (isempty(cseat)) |
649 | seat = NULL; | |
98a28fef | 650 | else { |
954449b8 LP |
651 | seat = hashmap_get(m->seats, cseat); |
652 | if (!seat) | |
d14ab08b | 653 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
654 | } |
655 | ||
98a28fef | 656 | if (tty_is_vc(tty)) { |
4d6d6518 | 657 | int v; |
98a28fef | 658 | |
954449b8 | 659 | if (!seat) |
92432fcc DH |
660 | seat = m->seat0; |
661 | else if (seat != m->seat0) | |
d14ab08b | 662 | 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 | 663 | |
4d6d6518 | 664 | v = vtnr_from_tty(tty); |
4d6d6518 | 665 | if (v <= 0) |
ebcf1f97 | 666 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 667 | |
bc2b6332 | 668 | if (vtnr == 0) |
4d6d6518 LP |
669 | vtnr = (uint32_t) v; |
670 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 671 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 672 | |
d1122ad5 LP |
673 | } else if (tty_is_console(tty)) { |
674 | ||
954449b8 | 675 | if (!seat) |
92432fcc DH |
676 | seat = m->seat0; |
677 | else if (seat != m->seat0) | |
ebcf1f97 | 678 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
679 | |
680 | if (vtnr != 0) | |
ebcf1f97 | 681 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 682 | } |
98a28fef | 683 | |
954449b8 | 684 | if (seat) { |
bf7825ae | 685 | if (seat_has_vts(seat)) { |
bc2b6332 | 686 | if (vtnr <= 0 || vtnr > 63) |
ebcf1f97 | 687 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 688 | } else { |
d1122ad5 | 689 | if (vtnr != 0) |
ebcf1f97 | 690 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
691 | } |
692 | } | |
693 | ||
e2acb67b LP |
694 | if (t == _SESSION_TYPE_INVALID) { |
695 | if (!isempty(display)) | |
696 | t = SESSION_X11; | |
697 | else if (!isempty(tty)) | |
698 | t = SESSION_TTY; | |
699 | else | |
700 | t = SESSION_UNSPECIFIED; | |
701 | } | |
702 | ||
703 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 704 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 705 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
706 | else |
707 | c = SESSION_USER; | |
e2acb67b LP |
708 | } |
709 | ||
06820eaf | 710 | if (leader == 0) { |
4afd3348 | 711 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
712 | |
713 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
714 | if (r < 0) | |
715 | return r; | |
716 | ||
5b12334d | 717 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 718 | if (r < 0) |
ebcf1f97 | 719 | return r; |
9444b1f2 LP |
720 | } |
721 | ||
bc2b6332 LP |
722 | /* Check if we are already in a logind session. Or if we are in user@.service which is a special PAM session |
723 | * that avoids creating a logind session. */ | |
724 | r = manager_get_user_by_pid(m, leader, NULL); | |
e8a3144e AJ |
725 | if (r < 0) |
726 | return r; | |
bc2b6332 LP |
727 | if (r > 0) |
728 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session or user slice"); | |
b80120c4 DH |
729 | |
730 | /* | |
731 | * Old gdm and lightdm start the user-session on the same VT as | |
732 | * the greeter session. But they destroy the greeter session | |
733 | * after the user-session and want the user-session to take | |
734 | * over the VT. We need to support this for | |
735 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
736 | * on a VT that a greeter is running on. Furthermore, to allow |
737 | * re-logins, we have to allow a greeter to take over a used VT for | |
738 | * the exact same reasons. | |
b80120c4 | 739 | */ |
cc85d562 DH |
740 | if (c != SESSION_GREETER && |
741 | vtnr > 0 && | |
b80120c4 DH |
742 | vtnr < m->seat0->position_count && |
743 | m->seat0->positions[vtnr] && | |
744 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
745 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 746 | |
183e0738 LP |
747 | if (hashmap_size(m->sessions) >= m->sessions_max) |
748 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
749 | ||
3a87a86e LP |
750 | (void) audit_session_from_pid(leader, &audit_id); |
751 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 752 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 753 | |
de0671ee | 754 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 755 | return -ENOMEM; |
21c390cc | 756 | |
954449b8 LP |
757 | /* Wut? There's already a session by this name and we |
758 | * didn't find it above? Weird, then let's not trust | |
759 | * the audit data and let's better register a new | |
760 | * ID */ | |
761 | if (hashmap_get(m->sessions, id)) { | |
bc2b6332 | 762 | log_warning("Existing logind session ID %s used by new audit session, ignoring.", id); |
3a87a86e | 763 | audit_id = AUDIT_SESSION_INVALID; |
97b11eed | 764 | id = mfree(id); |
07714753 | 765 | } |
954449b8 | 766 | } |
07714753 | 767 | |
954449b8 | 768 | if (!id) { |
07714753 | 769 | do { |
97b11eed | 770 | id = mfree(id); |
07714753 | 771 | |
cc377381 | 772 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 773 | return -ENOMEM; |
07714753 LP |
774 | |
775 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
776 | } |
777 | ||
3d0ef5c7 LP |
778 | /* If we are not watching utmp aleady, try again */ |
779 | manager_reconnect_utmp(m); | |
780 | ||
954449b8 | 781 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 782 | if (r < 0) |
954449b8 LP |
783 | goto fail; |
784 | ||
9444b1f2 | 785 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 786 | if (r < 0) |
98a28fef LP |
787 | goto fail; |
788 | ||
9444b1f2 | 789 | session_set_user(session, user); |
238794b1 | 790 | session_set_leader(session, leader); |
9444b1f2 | 791 | |
98a28fef | 792 | session->type = t; |
55efac6c | 793 | session->class = c; |
98a28fef | 794 | session->remote = remote; |
98a28fef LP |
795 | session->vtnr = vtnr; |
796 | ||
98a28fef LP |
797 | if (!isempty(tty)) { |
798 | session->tty = strdup(tty); | |
799 | if (!session->tty) { | |
ebcf1f97 | 800 | r = -ENOMEM; |
98a28fef LP |
801 | goto fail; |
802 | } | |
3d0ef5c7 LP |
803 | |
804 | session->tty_validity = TTY_FROM_PAM; | |
98a28fef LP |
805 | } |
806 | ||
807 | if (!isempty(display)) { | |
808 | session->display = strdup(display); | |
809 | if (!session->display) { | |
ebcf1f97 | 810 | r = -ENOMEM; |
98a28fef LP |
811 | goto fail; |
812 | } | |
813 | } | |
814 | ||
815 | if (!isempty(remote_user)) { | |
816 | session->remote_user = strdup(remote_user); | |
817 | if (!session->remote_user) { | |
ebcf1f97 | 818 | r = -ENOMEM; |
98a28fef LP |
819 | goto fail; |
820 | } | |
821 | } | |
822 | ||
823 | if (!isempty(remote_host)) { | |
824 | session->remote_host = strdup(remote_host); | |
825 | if (!session->remote_host) { | |
ebcf1f97 | 826 | r = -ENOMEM; |
98a28fef LP |
827 | goto fail; |
828 | } | |
829 | } | |
830 | ||
831 | if (!isempty(service)) { | |
832 | session->service = strdup(service); | |
833 | if (!session->service) { | |
ebcf1f97 | 834 | r = -ENOMEM; |
98a28fef LP |
835 | goto fail; |
836 | } | |
837 | } | |
838 | ||
a4cd87e9 LP |
839 | if (!isempty(desktop)) { |
840 | session->desktop = strdup(desktop); | |
841 | if (!session->desktop) { | |
842 | r = -ENOMEM; | |
843 | goto fail; | |
844 | } | |
845 | } | |
846 | ||
954449b8 LP |
847 | if (seat) { |
848 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 849 | if (r < 0) |
98a28fef LP |
850 | goto fail; |
851 | } | |
852 | ||
22f93314 JS |
853 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
854 | if (r < 0) | |
d88ffeee | 855 | goto fail; |
22f93314 | 856 | |
25a1ab4e | 857 | r = session_start(session, message, error); |
22f93314 JS |
858 | if (r < 0) |
859 | goto fail; | |
860 | ||
861 | r = sd_bus_message_exit_container(message); | |
ebcf1f97 | 862 | if (r < 0) |
98a28fef LP |
863 | goto fail; |
864 | ||
cc377381 | 865 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 866 | |
bc2b6332 | 867 | /* Now, let's wait until the slice unit and stuff got created. We send the reply back from |
f7340ab2 | 868 | * session_send_create_reply(). */ |
cba38758 | 869 | |
cc377381 | 870 | return 1; |
98a28fef LP |
871 | |
872 | fail: | |
98a28fef LP |
873 | if (session) |
874 | session_add_to_gc_queue(session); | |
875 | ||
876 | if (user) | |
877 | user_add_to_gc_queue(user); | |
878 | ||
98a28fef LP |
879 | return r; |
880 | } | |
881 | ||
19070062 | 882 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
883 | Manager *m = userdata; |
884 | Session *session; | |
885 | const char *name; | |
886 | int r; | |
314b4b0a | 887 | |
cc377381 LP |
888 | assert(message); |
889 | assert(m); | |
890 | ||
891 | r = sd_bus_message_read(message, "s", &name); | |
892 | if (r < 0) | |
ebcf1f97 | 893 | return r; |
cc377381 | 894 | |
309a29df LP |
895 | r = manager_get_session_from_creds(m, message, name, error, &session); |
896 | if (r < 0) | |
897 | return r; | |
cc377381 | 898 | |
ad8780c9 ZJS |
899 | r = session_release(session); |
900 | if (r < 0) | |
901 | return r; | |
cc377381 | 902 | |
df2d202e | 903 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
904 | } |
905 | ||
19070062 | 906 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
907 | Manager *m = userdata; |
908 | Session *session; | |
909 | const char *name; | |
910 | int r; | |
f8e2fb7b | 911 | |
cc377381 | 912 | assert(message); |
f8e2fb7b | 913 | assert(m); |
cc377381 LP |
914 | |
915 | r = sd_bus_message_read(message, "s", &name); | |
916 | if (r < 0) | |
ebcf1f97 | 917 | return r; |
cc377381 | 918 | |
309a29df LP |
919 | r = manager_get_session_from_creds(m, message, name, error, &session); |
920 | if (r < 0) | |
921 | return r; | |
cc377381 | 922 | |
19070062 | 923 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
924 | } |
925 | ||
19070062 | 926 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
927 | const char *session_name, *seat_name; |
928 | Manager *m = userdata; | |
929 | Session *session; | |
930 | Seat *seat; | |
931 | int r; | |
932 | ||
f8e2fb7b | 933 | assert(message); |
cc377381 | 934 | assert(m); |
f8e2fb7b | 935 | |
cc377381 LP |
936 | /* Same as ActivateSession() but refuses to work if |
937 | * the seat doesn't match */ | |
f8e2fb7b | 938 | |
cc377381 LP |
939 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
940 | if (r < 0) | |
ebcf1f97 | 941 | return r; |
eecd1362 | 942 | |
309a29df LP |
943 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
944 | if (r < 0) | |
945 | return r; | |
beaafb2e | 946 | |
309a29df LP |
947 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
948 | if (r < 0) | |
949 | return r; | |
314b4b0a | 950 | |
cc377381 | 951 | if (session->seat != seat) |
ebcf1f97 | 952 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
953 | |
954 | r = session_activate(session); | |
f8e2fb7b | 955 | if (r < 0) |
ebcf1f97 | 956 | return r; |
f8e2fb7b | 957 | |
df2d202e | 958 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 959 | } |
f8e2fb7b | 960 | |
19070062 | 961 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
962 | Manager *m = userdata; |
963 | Session *session; | |
964 | const char *name; | |
965 | int r; | |
f8e2fb7b | 966 | |
cc377381 LP |
967 | assert(message); |
968 | assert(m); | |
f8e2fb7b | 969 | |
cc377381 LP |
970 | r = sd_bus_message_read(message, "s", &name); |
971 | if (r < 0) | |
ebcf1f97 | 972 | return r; |
f8e2fb7b | 973 | |
309a29df LP |
974 | r = manager_get_session_from_creds(m, message, name, error, &session); |
975 | if (r < 0) | |
976 | return r; | |
f8e2fb7b | 977 | |
19070062 | 978 | return bus_session_method_lock(message, session, error); |
cc377381 | 979 | } |
f8e2fb7b | 980 | |
19070062 | 981 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
982 | Manager *m = userdata; |
983 | int r; | |
f8e2fb7b | 984 | |
cc377381 LP |
985 | assert(message); |
986 | assert(m); | |
f8e2fb7b | 987 | |
c529695e LP |
988 | r = bus_verify_polkit_async( |
989 | message, | |
990 | CAP_SYS_ADMIN, | |
991 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 992 | NULL, |
c529695e LP |
993 | false, |
994 | UID_INVALID, | |
995 | &m->polkit_registry, | |
996 | error); | |
997 | if (r < 0) | |
998 | return r; | |
999 | if (r == 0) | |
1000 | return 1; /* Will call us back */ | |
1001 | ||
cc377381 LP |
1002 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1003 | if (r < 0) | |
ebcf1f97 | 1004 | return r; |
f8e2fb7b | 1005 | |
df2d202e | 1006 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1007 | } |
1008 | ||
19070062 | 1009 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1010 | const char *name; |
cc377381 LP |
1011 | Manager *m = userdata; |
1012 | Session *session; | |
cc377381 LP |
1013 | int r; |
1014 | ||
cc377381 LP |
1015 | assert(message); |
1016 | assert(m); | |
1017 | ||
c529695e | 1018 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1019 | if (r < 0) |
ebcf1f97 | 1020 | return r; |
cc377381 | 1021 | |
309a29df LP |
1022 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1023 | if (r < 0) | |
1024 | return r; | |
f8e2fb7b | 1025 | |
19070062 | 1026 | return bus_session_method_kill(message, session, error); |
cc377381 | 1027 | } |
f8e2fb7b | 1028 | |
19070062 | 1029 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1030 | Manager *m = userdata; |
1031 | uint32_t uid; | |
cc377381 LP |
1032 | User *user; |
1033 | int r; | |
f8e2fb7b | 1034 | |
cc377381 LP |
1035 | assert(message); |
1036 | assert(m); | |
1037 | ||
c529695e | 1038 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1039 | if (r < 0) |
ebcf1f97 | 1040 | return r; |
cc377381 | 1041 | |
309a29df LP |
1042 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1043 | if (r < 0) | |
1044 | return r; | |
cc377381 | 1045 | |
19070062 | 1046 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1047 | } |
1048 | ||
19070062 | 1049 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1050 | Manager *m = userdata; |
1051 | const char *name; | |
1052 | Session *session; | |
1053 | int r; | |
1054 | ||
cc377381 LP |
1055 | assert(message); |
1056 | assert(m); | |
1057 | ||
1058 | r = sd_bus_message_read(message, "s", &name); | |
1059 | if (r < 0) | |
ebcf1f97 | 1060 | return r; |
cc377381 | 1061 | |
309a29df LP |
1062 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1063 | if (r < 0) | |
1064 | return r; | |
cc377381 | 1065 | |
19070062 | 1066 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1067 | } |
1068 | ||
19070062 | 1069 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1070 | Manager *m = userdata; |
1071 | uint32_t uid; | |
1072 | User *user; | |
1073 | int r; | |
1074 | ||
cc377381 LP |
1075 | assert(message); |
1076 | assert(m); | |
1077 | ||
1078 | r = sd_bus_message_read(message, "u", &uid); | |
1079 | if (r < 0) | |
ebcf1f97 | 1080 | return r; |
cc377381 | 1081 | |
309a29df LP |
1082 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1083 | if (r < 0) | |
1084 | return r; | |
cc377381 | 1085 | |
19070062 | 1086 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1087 | } |
1088 | ||
19070062 | 1089 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1090 | Manager *m = userdata; |
1091 | const char *name; | |
1092 | Seat *seat; | |
1093 | int r; | |
1094 | ||
cc377381 LP |
1095 | assert(message); |
1096 | assert(m); | |
1097 | ||
1098 | r = sd_bus_message_read(message, "s", &name); | |
1099 | if (r < 0) | |
ebcf1f97 | 1100 | return r; |
cc377381 | 1101 | |
309a29df LP |
1102 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1103 | if (r < 0) | |
1104 | return r; | |
cc377381 | 1105 | |
19070062 | 1106 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1107 | } |
1108 | ||
19070062 | 1109 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
34160d91 | 1110 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
1111 | _cleanup_free_ char *cc = NULL; |
1112 | Manager *m = userdata; | |
152199f2 | 1113 | int r, b, interactive; |
cc377381 LP |
1114 | struct passwd *pw; |
1115 | const char *path; | |
34160d91 | 1116 | uint32_t uid, auth_uid; |
cc377381 | 1117 | |
cc377381 LP |
1118 | assert(message); |
1119 | assert(m); | |
1120 | ||
1121 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1122 | if (r < 0) | |
ebcf1f97 | 1123 | return r; |
cc377381 | 1124 | |
34160d91 AJ |
1125 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1126 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1127 | if (r < 0) | |
1128 | return r; | |
309a29df | 1129 | |
34160d91 AJ |
1130 | if (!uid_is_valid(uid)) { |
1131 | /* Note that we get the owner UID of the session or user unit, | |
1132 | * not the actual client UID here! */ | |
309a29df LP |
1133 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1134 | if (r < 0) | |
1135 | return r; | |
34160d91 | 1136 | } |
06820eaf | 1137 | |
34160d91 AJ |
1138 | /* owner_uid is racy, so for authorization we must use euid */ |
1139 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1140 | if (r < 0) | |
1141 | return r; | |
309a29df | 1142 | |
cc377381 LP |
1143 | errno = 0; |
1144 | pw = getpwuid(uid); | |
1145 | if (!pw) | |
f5e5c28f | 1146 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1147 | |
f3885791 LP |
1148 | r = bus_verify_polkit_async( |
1149 | message, | |
1150 | CAP_SYS_ADMIN, | |
34160d91 AJ |
1151 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1152 | "org.freedesktop.login1.set-user-linger", | |
403ed0e5 | 1153 | NULL, |
f3885791 | 1154 | interactive, |
c529695e | 1155 | UID_INVALID, |
f3885791 LP |
1156 | &m->polkit_registry, |
1157 | error); | |
cc377381 | 1158 | if (r < 0) |
ebcf1f97 | 1159 | return r; |
cc377381 LP |
1160 | if (r == 0) |
1161 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1162 | ||
1163 | mkdir_p_label("/var/lib/systemd", 0755); | |
1164 | ||
37c1d5e9 | 1165 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE); |
cc377381 | 1166 | if (r < 0) |
ebcf1f97 | 1167 | return r; |
cc377381 LP |
1168 | |
1169 | cc = cescape(pw->pw_name); | |
1170 | if (!cc) | |
ebcf1f97 | 1171 | return -ENOMEM; |
cc377381 | 1172 | |
63c372cb | 1173 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1174 | if (b) { |
1175 | User *u; | |
1176 | ||
1177 | r = touch(path); | |
1178 | if (r < 0) | |
ebcf1f97 | 1179 | return r; |
cc377381 LP |
1180 | |
1181 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1182 | user_start(u); | |
1183 | ||
1184 | } else { | |
1185 | User *u; | |
1186 | ||
1187 | r = unlink(path); | |
1188 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1189 | return -errno; |
cc377381 | 1190 | |
8cb4ab00 | 1191 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1192 | if (u) |
1193 | user_add_to_gc_queue(u); | |
1194 | } | |
1195 | ||
df2d202e | 1196 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1197 | } |
1198 | ||
4f209af7 YW |
1199 | static int trigger_device(Manager *m, sd_device *d) { |
1200 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
b668e064 LP |
1201 | int r; |
1202 | ||
1203 | assert(m); | |
1204 | ||
4f209af7 YW |
1205 | r = sd_device_enumerator_new(&e); |
1206 | if (r < 0) | |
1207 | return r; | |
1208 | ||
1209 | r = sd_device_enumerator_allow_uninitialized(e); | |
1210 | if (r < 0) | |
1211 | return r; | |
b668e064 | 1212 | |
2eb916cd | 1213 | if (d) { |
4f209af7 | 1214 | r = sd_device_enumerator_add_match_parent(e, d); |
06acf2d4 LP |
1215 | if (r < 0) |
1216 | return r; | |
2eb916cd LP |
1217 | } |
1218 | ||
8437c059 | 1219 | FOREACH_DEVICE(e, d) { |
cc377381 | 1220 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1221 | const char *p; |
1222 | ||
4f209af7 YW |
1223 | r = sd_device_get_syspath(d, &p); |
1224 | if (r < 0) | |
1225 | return r; | |
b668e064 | 1226 | |
b668e064 | 1227 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1228 | if (!t) |
1229 | return -ENOMEM; | |
b668e064 | 1230 | |
57512c89 | 1231 | (void) write_string_file(t, "change", WRITE_STRING_FILE_DISABLE_BUFFER); |
b668e064 LP |
1232 | } |
1233 | ||
06acf2d4 | 1234 | return 0; |
b668e064 LP |
1235 | } |
1236 | ||
47a26690 | 1237 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
4f209af7 | 1238 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
7fd1b19b | 1239 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1240 | const char *id_for_seat; |
47a26690 LP |
1241 | int r; |
1242 | ||
1243 | assert(m); | |
1244 | assert(seat); | |
1245 | assert(sysfs); | |
1246 | ||
4f209af7 YW |
1247 | r = sd_device_new_from_syspath(&d, sysfs); |
1248 | if (r < 0) | |
1249 | return r; | |
47a26690 | 1250 | |
4f209af7 | 1251 | if (sd_device_has_tag(d, "seat") <= 0) |
06acf2d4 | 1252 | return -ENODEV; |
47a26690 | 1253 | |
4f209af7 | 1254 | if (sd_device_get_property_value(d, "ID_FOR_SEAT", &id_for_seat) < 0) |
06acf2d4 | 1255 | return -ENODEV; |
47a26690 | 1256 | |
06acf2d4 LP |
1257 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1258 | return -ENOMEM; | |
47a26690 | 1259 | |
06acf2d4 LP |
1260 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1261 | return -ENOMEM; | |
47a26690 | 1262 | |
4f209af7 | 1263 | (void) mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1264 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1265 | if (r < 0) |
06acf2d4 | 1266 | return r; |
47a26690 | 1267 | |
06acf2d4 | 1268 | return trigger_device(m, d); |
47a26690 LP |
1269 | } |
1270 | ||
b668e064 | 1271 | static int flush_devices(Manager *m) { |
7fd1b19b | 1272 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1273 | |
1274 | assert(m); | |
1275 | ||
1276 | d = opendir("/etc/udev/rules.d"); | |
1277 | if (!d) { | |
1278 | if (errno != ENOENT) | |
56f64d95 | 1279 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1280 | } else { |
1281 | struct dirent *de; | |
1282 | ||
8fb3f009 | 1283 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1284 | if (!dirent_is_file(de)) |
1285 | continue; | |
1286 | ||
1287 | if (!startswith(de->d_name, "72-seat-")) | |
1288 | continue; | |
1289 | ||
1290 | if (!endswith(de->d_name, ".rules")) | |
1291 | continue; | |
1292 | ||
1293 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1294 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1295 | } |
b668e064 LP |
1296 | } |
1297 | ||
1298 | return trigger_device(m, NULL); | |
1299 | } | |
1300 | ||
19070062 | 1301 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1302 | const char *sysfs, *seat; |
1303 | Manager *m = userdata; | |
1304 | int interactive, r; | |
1305 | ||
cc377381 LP |
1306 | assert(message); |
1307 | assert(m); | |
1308 | ||
1309 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1310 | if (r < 0) | |
ebcf1f97 | 1311 | return r; |
cc377381 LP |
1312 | |
1313 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1314 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1315 | |
1316 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1318 | |
f3885791 LP |
1319 | r = bus_verify_polkit_async( |
1320 | message, | |
1321 | CAP_SYS_ADMIN, | |
1322 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1323 | NULL, |
f3885791 | 1324 | interactive, |
c529695e | 1325 | UID_INVALID, |
f3885791 LP |
1326 | &m->polkit_registry, |
1327 | error); | |
cc377381 | 1328 | if (r < 0) |
ebcf1f97 | 1329 | return r; |
cc377381 LP |
1330 | if (r == 0) |
1331 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1332 | ||
1333 | r = attach_device(m, seat, sysfs); | |
1334 | if (r < 0) | |
ebcf1f97 | 1335 | return r; |
cc377381 | 1336 | |
df2d202e | 1337 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1338 | } |
1339 | ||
19070062 | 1340 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1341 | Manager *m = userdata; |
1342 | int interactive, r; | |
1343 | ||
cc377381 LP |
1344 | assert(message); |
1345 | assert(m); | |
1346 | ||
1347 | r = sd_bus_message_read(message, "b", &interactive); | |
1348 | if (r < 0) | |
ebcf1f97 | 1349 | return r; |
cc377381 | 1350 | |
f3885791 LP |
1351 | r = bus_verify_polkit_async( |
1352 | message, | |
1353 | CAP_SYS_ADMIN, | |
1354 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1355 | NULL, |
f3885791 | 1356 | interactive, |
c529695e | 1357 | UID_INVALID, |
f3885791 LP |
1358 | &m->polkit_registry, |
1359 | error); | |
cc377381 | 1360 | if (r < 0) |
ebcf1f97 | 1361 | return r; |
cc377381 LP |
1362 | if (r == 0) |
1363 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1364 | ||
1365 | r = flush_devices(m); | |
1366 | if (r < 0) | |
ebcf1f97 | 1367 | return r; |
cc377381 | 1368 | |
df2d202e | 1369 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1370 | } |
1371 | ||
89f13440 | 1372 | static int have_multiple_sessions( |
89f13440 | 1373 | Manager *m, |
409133be | 1374 | uid_t uid) { |
89f13440 | 1375 | |
2154761f MS |
1376 | Session *session; |
1377 | Iterator i; | |
89f13440 LP |
1378 | |
1379 | assert(m); | |
1380 | ||
1ca04b87 LP |
1381 | /* Check for other users' sessions. Greeter sessions do not |
1382 | * count, and non-login sessions do not count either. */ | |
2154761f | 1383 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1384 | if (session->class == SESSION_USER && |
1ca04b87 | 1385 | session->user->uid != uid) |
2154761f | 1386 | return true; |
89f13440 LP |
1387 | |
1388 | return false; | |
1389 | } | |
1390 | ||
314b4b0a LP |
1391 | static int bus_manager_log_shutdown( |
1392 | Manager *m, | |
314b4b0a LP |
1393 | const char *unit_name) { |
1394 | ||
5744f59a | 1395 | const char *p, *q; |
314b4b0a LP |
1396 | |
1397 | assert(m); | |
1398 | assert(unit_name); | |
1399 | ||
314b4b0a | 1400 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1401 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1402 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1403 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1404 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1405 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1406 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1407 | p = "MESSAGE=System is halting"; | |
1408 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1409 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1410 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1411 | q = "SHUTDOWN=kexec"; |
1412 | } else { | |
f868cb58 | 1413 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1414 | q = NULL; |
1415 | } | |
1416 | ||
f868cb58 ZJS |
1417 | if (isempty(m->wall_message)) |
1418 | p = strjoina(p, "."); | |
1419 | else | |
1420 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1421 | |
e2cc6eca | 1422 | return log_struct(LOG_NOTICE, |
2b044526 | 1423 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1424 | p, |
a1230ff9 | 1425 | q); |
314b4b0a LP |
1426 | } |
1427 | ||
b5d3e168 KS |
1428 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1429 | Manager *m = userdata; | |
1430 | ||
1431 | assert(e); | |
1432 | assert(m); | |
1433 | ||
1434 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1435 | return 0; | |
1436 | } | |
1437 | ||
1438 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1439 | int r; | |
1440 | ||
1441 | assert(m); | |
1442 | ||
1443 | if (until <= now(CLOCK_MONOTONIC)) | |
1444 | return 0; | |
1445 | ||
1446 | /* We want to ignore the lid switch for a while after each | |
1447 | * suspend, and after boot-up. Hence let's install a timer for | |
1448 | * this. As long as the event source exists we ignore the lid | |
1449 | * switch. */ | |
1450 | ||
1451 | if (m->lid_switch_ignore_event_source) { | |
1452 | usec_t u; | |
1453 | ||
1454 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1455 | if (r < 0) | |
1456 | return r; | |
1457 | ||
1458 | if (until <= u) | |
1459 | return 0; | |
1460 | ||
1461 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1462 | } else | |
6a0f1f6d LP |
1463 | r = sd_event_add_time( |
1464 | m->event, | |
1465 | &m->lid_switch_ignore_event_source, | |
1466 | CLOCK_MONOTONIC, | |
1467 | until, 0, | |
1468 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1469 | |
1470 | return r; | |
1471 | } | |
1472 | ||
6d7f7fd4 AJ |
1473 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1474 | ||
1475 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1476 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1477 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1478 | }; | |
1479 | ||
1480 | int active = _active; | |
1481 | ||
1482 | assert(m); | |
1483 | assert(w >= 0); | |
1484 | assert(w < _INHIBIT_WHAT_MAX); | |
1485 | assert(signal_name[w]); | |
1486 | ||
1487 | return sd_bus_emit_signal(m->bus, | |
1488 | "/org/freedesktop/login1", | |
1489 | "org.freedesktop.login1.Manager", | |
1490 | signal_name[w], | |
1491 | "b", | |
1492 | active); | |
1493 | } | |
1494 | ||
314b4b0a LP |
1495 | static int execute_shutdown_or_sleep( |
1496 | Manager *m, | |
1497 | InhibitWhat w, | |
1498 | const char *unit_name, | |
cc377381 | 1499 | sd_bus_error *error) { |
314b4b0a | 1500 | |
4afd3348 | 1501 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1389f4b9 | 1502 | char *c = 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 | |
df75a1a8 | 1530 | c = strdup(p); |
6d7f7fd4 AJ |
1531 | if (!c) { |
1532 | r = -ENOMEM; | |
1533 | goto error; | |
1534 | } | |
af9792ac | 1535 | |
314b4b0a | 1536 | m->action_unit = unit_name; |
af9792ac LP |
1537 | free(m->action_job); |
1538 | m->action_job = c; | |
314b4b0a | 1539 | m->action_what = w; |
af9792ac | 1540 | |
f9cd6be1 | 1541 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1542 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1543 | |
af9792ac | 1544 | return 0; |
6d7f7fd4 AJ |
1545 | |
1546 | error: | |
1547 | /* Tell people that they now may take a lock again */ | |
401e33ed | 1548 | (void) send_prepare_for(m, w, false); |
6d7f7fd4 AJ |
1549 | |
1550 | return r; | |
eecd1362 LP |
1551 | } |
1552 | ||
418b22b8 | 1553 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1554 | |
4afd3348 | 1555 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1556 | Inhibitor *offending = NULL; |
c0f32805 DM |
1557 | int r; |
1558 | ||
1559 | assert(manager); | |
c0f32805 DM |
1560 | |
1561 | if (manager->action_what == 0 || manager->action_job) | |
1562 | return 0; | |
1563 | ||
1564 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1565 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1566 | ||
418b22b8 DM |
1567 | if (!timeout) |
1568 | return 0; | |
1569 | ||
c0f32805 DM |
1570 | (void) get_process_comm(offending->pid, &comm); |
1571 | u = uid_to_name(offending->uid); | |
1572 | ||
1573 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1574 | offending->uid, strna(u), | |
1575 | offending->pid, strna(comm)); | |
1576 | } | |
1577 | ||
1578 | /* Actually do the operation */ | |
1579 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1580 | if (r < 0) { | |
6d7f7fd4 AJ |
1581 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1582 | bus_error_message(&error, r)); | |
c0f32805 DM |
1583 | |
1584 | manager->action_unit = NULL; | |
1585 | manager->action_what = 0; | |
418b22b8 | 1586 | return r; |
c0f32805 DM |
1587 | } |
1588 | ||
418b22b8 DM |
1589 | return 1; |
1590 | } | |
1591 | ||
1592 | static int manager_inhibit_timeout_handler( | |
1593 | sd_event_source *s, | |
1594 | uint64_t usec, | |
1595 | void *userdata) { | |
1596 | ||
1597 | Manager *manager = userdata; | |
1598 | int r; | |
1599 | ||
1600 | assert(manager); | |
1601 | assert(manager->inhibit_timeout_source == s); | |
1602 | ||
1603 | r = manager_dispatch_delayed(manager, true); | |
1604 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1605 | } |
1606 | ||
314b4b0a LP |
1607 | static int delay_shutdown_or_sleep( |
1608 | Manager *m, | |
1609 | InhibitWhat w, | |
1610 | const char *unit_name) { | |
eecd1362 | 1611 | |
c0f32805 DM |
1612 | int r; |
1613 | usec_t timeout_val; | |
1614 | ||
eecd1362 | 1615 | assert(m); |
d889a206 LP |
1616 | assert(w >= 0); |
1617 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1618 | assert(unit_name); |
eecd1362 | 1619 | |
c0f32805 DM |
1620 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1621 | ||
1622 | if (m->inhibit_timeout_source) { | |
1623 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1624 | if (r < 0) | |
c2a23db0 | 1625 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1626 | |
1627 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1628 | if (r < 0) | |
c2a23db0 | 1629 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1630 | } else { |
1631 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1632 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1633 | if (r < 0) | |
1634 | return r; | |
1635 | } | |
1636 | ||
314b4b0a LP |
1637 | m->action_unit = unit_name; |
1638 | m->action_what = w; | |
d889a206 LP |
1639 | |
1640 | return 0; | |
1641 | } | |
1642 | ||
069cfc85 LP |
1643 | int bus_manager_shutdown_or_sleep_now_or_later( |
1644 | Manager *m, | |
1645 | const char *unit_name, | |
1646 | InhibitWhat w, | |
cc377381 | 1647 | sd_bus_error *error) { |
069cfc85 | 1648 | |
c8c8ee85 | 1649 | _cleanup_free_ char *load_state = NULL; |
069cfc85 LP |
1650 | bool delayed; |
1651 | int r; | |
1652 | ||
1653 | assert(m); | |
1654 | assert(unit_name); | |
b61fa4e0 | 1655 | assert(w > 0); |
069cfc85 | 1656 | assert(w <= _INHIBIT_WHAT_MAX); |
af9792ac | 1657 | assert(!m->action_job); |
069cfc85 | 1658 | |
c8c8ee85 ZJS |
1659 | r = unit_load_state(m->bus, unit_name, &load_state); |
1660 | if (r < 0) | |
1661 | return r; | |
1662 | ||
1663 | if (!streq(load_state, "loaded")) { | |
1664 | log_notice("Unit %s is %s, refusing operation.", unit_name, load_state); | |
1665 | return -EACCES; | |
1666 | } | |
1667 | ||
314b4b0a | 1668 | /* Tell everybody to prepare for shutdown/sleep */ |
401e33ed | 1669 | (void) send_prepare_for(m, w, true); |
314b4b0a | 1670 | |
069cfc85 LP |
1671 | delayed = |
1672 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1673 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1674 | |
1675 | if (delayed) | |
1676 | /* Shutdown is delayed, keep in mind what we | |
1677 | * want to do, and start a timeout */ | |
1678 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1679 | else |
069cfc85 LP |
1680 | /* Shutdown is not delayed, execute it |
1681 | * immediately */ | |
314b4b0a | 1682 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1683 | |
1684 | return r; | |
1685 | } | |
1686 | ||
b7aa9589 | 1687 | static int verify_shutdown_creds( |
d889a206 | 1688 | Manager *m, |
cc377381 | 1689 | sd_bus_message *message, |
d889a206 | 1690 | InhibitWhat w, |
b7aa9589 | 1691 | bool interactive, |
d889a206 LP |
1692 | const char *action, |
1693 | const char *action_multiple_sessions, | |
1694 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1695 | sd_bus_error *error) { |
d889a206 | 1696 | |
4afd3348 | 1697 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1698 | bool multiple_sessions, blocked; |
cc377381 | 1699 | uid_t uid; |
b7aa9589 | 1700 | int r; |
d889a206 LP |
1701 | |
1702 | assert(m); | |
d889a206 | 1703 | assert(message); |
d889a206 LP |
1704 | assert(w >= 0); |
1705 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1706 | |
05bae4a6 | 1707 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1708 | if (r < 0) |
1709 | return r; | |
1710 | ||
05bae4a6 | 1711 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1712 | if (r < 0) |
ebcf1f97 | 1713 | return r; |
409133be | 1714 | |
cc377381 | 1715 | r = have_multiple_sessions(m, uid); |
d889a206 | 1716 | if (r < 0) |
ebcf1f97 | 1717 | return r; |
d889a206 LP |
1718 | |
1719 | multiple_sessions = r > 0; | |
85a428c6 | 1720 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1721 | |
b7aa9589 | 1722 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1723 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1724 | if (r < 0) |
ebcf1f97 | 1725 | return r; |
055d4066 ZJS |
1726 | if (r == 0) |
1727 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1728 | } |
1729 | ||
b7aa9589 | 1730 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1731 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1732 | if (r < 0) |
ebcf1f97 | 1733 | return r; |
055d4066 ZJS |
1734 | if (r == 0) |
1735 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1736 | } |
1737 | ||
b7aa9589 | 1738 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1739 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1740 | if (r < 0) |
ebcf1f97 | 1741 | return r; |
055d4066 ZJS |
1742 | if (r == 0) |
1743 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1744 | } |
1745 | ||
b7aa9589 DM |
1746 | return 0; |
1747 | } | |
1748 | ||
1749 | static int method_do_shutdown_or_sleep( | |
1750 | Manager *m, | |
1751 | sd_bus_message *message, | |
1752 | const char *unit_name, | |
1753 | InhibitWhat w, | |
1754 | const char *action, | |
1755 | const char *action_multiple_sessions, | |
1756 | const char *action_ignore_inhibit, | |
1757 | const char *sleep_verb, | |
1758 | sd_bus_error *error) { | |
1759 | ||
1760 | int interactive, r; | |
1761 | ||
1762 | assert(m); | |
1763 | assert(message); | |
1764 | assert(unit_name); | |
1765 | assert(w >= 0); | |
1766 | assert(w <= _INHIBIT_WHAT_MAX); | |
1767 | ||
1768 | r = sd_bus_message_read(message, "b", &interactive); | |
1769 | if (r < 0) | |
1770 | return r; | |
1771 | ||
1772 | /* Don't allow multiple jobs being executed at the same time */ | |
1773 | if (m->action_what) | |
1774 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); | |
1775 | ||
1776 | if (sleep_verb) { | |
1777 | r = can_sleep(sleep_verb); | |
b71c9758 | 1778 | if (r == -ENOSPC) |
edda4460 LP |
1779 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Not enough swap space for hibernation"); |
1780 | if (r == -ENOMEDIUM) | |
1781 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Kernel image has been removed, can't hibernate"); | |
5fdf2d51 ZJS |
1782 | if (r == -EADV) |
1783 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Resume not configured, can't hibernate"); | |
b71c9758 | 1784 | if (r == 0) |
edda4460 | 1785 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb \"%s\" not supported", sleep_verb); |
b7aa9589 DM |
1786 | if (r < 0) |
1787 | return r; | |
b7aa9589 DM |
1788 | } |
1789 | ||
1790 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1791 | action_ignore_inhibit, error); | |
1792 | if (r != 0) | |
1793 | return r; | |
1794 | ||
ebcf1f97 | 1795 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1796 | if (r < 0) |
ebcf1f97 | 1797 | return r; |
d889a206 | 1798 | |
df2d202e | 1799 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1800 | } |
1801 | ||
19070062 | 1802 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1803 | Manager *m = userdata; |
1804 | ||
cc377381 LP |
1805 | return method_do_shutdown_or_sleep( |
1806 | m, message, | |
1807 | SPECIAL_POWEROFF_TARGET, | |
1808 | INHIBIT_SHUTDOWN, | |
1809 | "org.freedesktop.login1.power-off", | |
1810 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1811 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1812 | NULL, | |
ebcf1f97 | 1813 | error); |
cc377381 | 1814 | } |
88e3dc90 | 1815 | |
19070062 | 1816 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1817 | Manager *m = userdata; |
88e3dc90 | 1818 | |
cc377381 LP |
1819 | return method_do_shutdown_or_sleep( |
1820 | m, message, | |
1821 | SPECIAL_REBOOT_TARGET, | |
1822 | INHIBIT_SHUTDOWN, | |
1823 | "org.freedesktop.login1.reboot", | |
1824 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1825 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1826 | NULL, | |
ebcf1f97 | 1827 | error); |
cc377381 | 1828 | } |
88e3dc90 | 1829 | |
36b69c31 LP |
1830 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1831 | Manager *m = userdata; | |
1832 | ||
1833 | return method_do_shutdown_or_sleep( | |
1834 | m, message, | |
1835 | SPECIAL_HALT_TARGET, | |
1836 | INHIBIT_SHUTDOWN, | |
1837 | "org.freedesktop.login1.halt", | |
1838 | "org.freedesktop.login1.halt-multiple-sessions", | |
1839 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1840 | NULL, | |
1841 | error); | |
1842 | } | |
1843 | ||
19070062 | 1844 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1845 | Manager *m = userdata; |
88e3dc90 | 1846 | |
cc377381 LP |
1847 | return method_do_shutdown_or_sleep( |
1848 | m, message, | |
1849 | SPECIAL_SUSPEND_TARGET, | |
1850 | INHIBIT_SLEEP, | |
1851 | "org.freedesktop.login1.suspend", | |
1852 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1853 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1854 | "suspend", | |
ebcf1f97 | 1855 | error); |
cc377381 | 1856 | } |
88e3dc90 | 1857 | |
15e99a43 LP |
1858 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1859 | Manager *m = userdata; | |
1860 | ||
1861 | return method_do_shutdown_or_sleep( | |
1862 | m, message, | |
1863 | SPECIAL_HIBERNATE_TARGET, | |
1864 | INHIBIT_SLEEP, | |
1865 | "org.freedesktop.login1.hibernate", | |
1866 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1867 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1868 | "hibernate", | |
1869 | error); | |
1870 | } | |
1871 | ||
1872 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1873 | Manager *m = userdata; | |
1874 | ||
1875 | return method_do_shutdown_or_sleep( | |
1876 | m, message, | |
1877 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1878 | INHIBIT_SLEEP, | |
1879 | "org.freedesktop.login1.hibernate", | |
1880 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1881 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1882 | "hybrid-sleep", | |
1883 | error); | |
1884 | } | |
1885 | ||
e68c79db | 1886 | static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
1887 | Manager *m = userdata; |
1888 | ||
1889 | return method_do_shutdown_or_sleep( | |
1890 | m, message, | |
e68c79db | 1891 | SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, |
c58493c0 ML |
1892 | INHIBIT_SLEEP, |
1893 | "org.freedesktop.login1.hibernate", | |
1894 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1895 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1896 | "hybrid-sleep", | |
1897 | error); | |
1898 | } | |
1899 | ||
867c37f6 DM |
1900 | static int nologin_timeout_handler( |
1901 | sd_event_source *s, | |
1902 | uint64_t usec, | |
1903 | void *userdata) { | |
1904 | ||
1905 | Manager *m = userdata; | |
867c37f6 DM |
1906 | |
1907 | log_info("Creating /run/nologin, blocking further logins..."); | |
1908 | ||
6e11e7e6 LP |
1909 | m->unlink_nologin = |
1910 | create_shutdown_run_nologin_or_warn() >= 0; | |
867c37f6 DM |
1911 | |
1912 | return 0; | |
1913 | } | |
1914 | ||
1915 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1916 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1917 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1918 | int r; |
867c37f6 DM |
1919 | |
1920 | assert(m); | |
1921 | ||
37c1d5e9 | 1922 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE); |
867c37f6 DM |
1923 | if (r < 0) |
1924 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1925 | ||
867c37f6 DM |
1926 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1927 | if (r < 0) | |
1928 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1929 | ||
1930 | (void) fchmod(fileno(f), 0644); | |
1931 | ||
1932 | fprintf(f, | |
1933 | "USEC="USEC_FMT"\n" | |
1934 | "WARN_WALL=%i\n" | |
1935 | "MODE=%s\n", | |
1936 | m->scheduled_shutdown_timeout, | |
1937 | m->enable_wall_messages, | |
1938 | m->scheduled_shutdown_type); | |
1939 | ||
91b3e7fb LP |
1940 | if (!isempty(m->wall_message)) { |
1941 | _cleanup_free_ char *t; | |
1942 | ||
1943 | t = cescape(m->wall_message); | |
1944 | if (!t) { | |
1945 | r = -ENOMEM; | |
1946 | goto fail; | |
1947 | } | |
1948 | ||
867c37f6 | 1949 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1950 | } |
867c37f6 | 1951 | |
dacd6cee LP |
1952 | r = fflush_and_check(f); |
1953 | if (r < 0) | |
1954 | goto fail; | |
867c37f6 | 1955 | |
dacd6cee | 1956 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1957 | r = -errno; |
dacd6cee | 1958 | goto fail; |
867c37f6 DM |
1959 | } |
1960 | ||
dacd6cee LP |
1961 | return 0; |
1962 | ||
1963 | fail: | |
1964 | (void) unlink(temp_path); | |
1965 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1966 | ||
1967 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1968 | } |
1969 | ||
df75a1a8 | 1970 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
1971 | assert(m); |
1972 | ||
df75a1a8 AJ |
1973 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
1974 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
1975 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 1976 | |
df75a1a8 AJ |
1977 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
1978 | m->scheduled_shutdown_timeout = 0; | |
1979 | m->shutdown_dry_run = false; | |
1980 | ||
1981 | if (m->unlink_nologin) { | |
af229d7a | 1982 | (void) unlink_or_warn("/run/nologin"); |
df75a1a8 AJ |
1983 | m->unlink_nologin = false; |
1984 | } | |
36b69c31 | 1985 | |
df75a1a8 AJ |
1986 | (void) unlink("/run/systemd/shutdown/scheduled"); |
1987 | } | |
1988 | ||
8aaa023a DM |
1989 | static int manager_scheduled_shutdown_handler( |
1990 | sd_event_source *s, | |
1991 | uint64_t usec, | |
1992 | void *userdata) { | |
1993 | ||
4afd3348 | 1994 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
1995 | Manager *m = userdata; |
1996 | const char *target; | |
1997 | int r; | |
1998 | ||
1999 | assert(m); | |
2000 | ||
2001 | if (isempty(m->scheduled_shutdown_type)) | |
2002 | return 0; | |
2003 | ||
36b69c31 | 2004 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 2005 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 2006 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 2007 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
2008 | else if (streq(m->scheduled_shutdown_type, "halt")) |
2009 | target = SPECIAL_HALT_TARGET; | |
2010 | else | |
2011 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 2012 | |
b498d6ea AJ |
2013 | /* Don't allow multiple jobs being executed at the same time */ |
2014 | if (m->action_what) { | |
6d7f7fd4 | 2015 | r = -EALREADY; |
b498d6ea | 2016 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2017 | goto error; |
b498d6ea AJ |
2018 | } |
2019 | ||
df75a1a8 AJ |
2020 | if (m->shutdown_dry_run) { |
2021 | /* We do not process delay inhibitors here. Otherwise, we | |
2022 | * would have to be considered "in progress" (like the check | |
2023 | * above) for some seconds after our admin has seen the final | |
2024 | * wall message. */ | |
2025 | ||
2026 | bus_manager_log_shutdown(m, target); | |
2027 | log_info("Running in dry run, suppressing action."); | |
2028 | reset_scheduled_shutdown(m); | |
2029 | ||
2030 | return 0; | |
2031 | } | |
2032 | ||
2033 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2034 | if (r < 0) { |
2035 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2036 | goto error; | |
2037 | } | |
8aaa023a DM |
2038 | |
2039 | return 0; | |
6d7f7fd4 AJ |
2040 | |
2041 | error: | |
2042 | reset_scheduled_shutdown(m); | |
2043 | return r; | |
8aaa023a DM |
2044 | } |
2045 | ||
19070062 | 2046 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2047 | Manager *m = userdata; |
4afd3348 | 2048 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2049 | const char *action_multiple_sessions = NULL; |
2050 | const char *action_ignore_inhibit = NULL; | |
2051 | const char *action = NULL; | |
2052 | uint64_t elapse; | |
2053 | char *type; | |
2054 | int r; | |
d13f5e16 | 2055 | bool dry_run = false; |
8aaa023a DM |
2056 | |
2057 | assert(m); | |
2058 | assert(message); | |
2059 | ||
2060 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2061 | if (r < 0) | |
2062 | return r; | |
2063 | ||
1389f4b9 DM |
2064 | if (startswith(type, "dry-")) { |
2065 | type += 4; | |
d13f5e16 | 2066 | dry_run = true; |
1389f4b9 DM |
2067 | } |
2068 | ||
36b69c31 LP |
2069 | if (streq(type, "poweroff")) { |
2070 | action = "org.freedesktop.login1.power-off"; | |
2071 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2072 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2073 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2074 | action = "org.freedesktop.login1.reboot"; |
2075 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2076 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2077 | } else if (streq(type, "halt")) { | |
2078 | action = "org.freedesktop.login1.halt"; | |
2079 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2080 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2081 | } else |
2082 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2083 | ||
2084 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2085 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2086 | if (r != 0) | |
2087 | return r; | |
2088 | ||
2089 | if (m->scheduled_shutdown_timeout_source) { | |
2090 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2091 | if (r < 0) | |
c2a23db0 | 2092 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2093 | |
2094 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2095 | if (r < 0) | |
c2a23db0 | 2096 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2097 | } else { |
2098 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2099 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2100 | if (r < 0) | |
c2a23db0 | 2101 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2102 | } |
2103 | ||
2104 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2105 | if (r < 0) { | |
2106 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2107 | return log_oom(); | |
2108 | } | |
2109 | ||
d13f5e16 LP |
2110 | m->shutdown_dry_run = dry_run; |
2111 | ||
867c37f6 DM |
2112 | if (m->nologin_timeout_source) { |
2113 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2114 | if (r < 0) | |
c2a23db0 | 2115 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2116 | |
2117 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2118 | if (r < 0) | |
c2a23db0 | 2119 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2120 | } else { |
2121 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2122 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2123 | if (r < 0) | |
c2a23db0 | 2124 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2125 | } |
2126 | ||
8aaa023a DM |
2127 | m->scheduled_shutdown_timeout = elapse; |
2128 | ||
e2fa5721 DM |
2129 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2130 | if (r >= 0) { | |
011062f3 | 2131 | const char *tty = NULL; |
e2fa5721 DM |
2132 | |
2133 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2134 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2135 | ||
2136 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2137 | if (r < 0) { | |
2138 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2139 | return log_oom(); | |
2140 | } | |
2141 | } | |
2142 | ||
2143 | r = manager_setup_wall_message_timer(m); | |
2144 | if (r < 0) | |
2145 | return r; | |
2146 | ||
f8169e62 AJ |
2147 | r = update_schedule_file(m); |
2148 | if (r < 0) | |
2149 | return r; | |
867c37f6 | 2150 | |
8aaa023a DM |
2151 | return sd_bus_reply_method_return(message, NULL); |
2152 | } | |
2153 | ||
19070062 | 2154 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2155 | Manager *m = userdata; |
2156 | bool cancelled; | |
2157 | ||
2158 | assert(m); | |
2159 | assert(message); | |
2160 | ||
2161 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2162 | reset_scheduled_shutdown(m); |
fb91034c | 2163 | |
6e78fa4a | 2164 | if (cancelled && m->enable_wall_messages) { |
4afd3348 | 2165 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e99742ef | 2166 | _cleanup_free_ char *username = NULL; |
e2fa5721 DM |
2167 | const char *tty = NULL; |
2168 | uid_t uid = 0; | |
2169 | int r; | |
2170 | ||
2171 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2172 | if (r >= 0) { | |
2173 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2174 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2175 | } | |
2176 | ||
e99742ef | 2177 | username = uid_to_name(uid); |
e2fa5721 | 2178 | utmp_wall("The system shutdown has been cancelled", |
e99742ef | 2179 | username, tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2180 | } |
2181 | ||
8aaa023a DM |
2182 | return sd_bus_reply_method_return(message, "b", cancelled); |
2183 | } | |
2184 | ||
cc377381 LP |
2185 | static int method_can_shutdown_or_sleep( |
2186 | Manager *m, | |
2187 | sd_bus_message *message, | |
2188 | InhibitWhat w, | |
2189 | const char *action, | |
2190 | const char *action_multiple_sessions, | |
2191 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2192 | const char *sleep_verb, |
2193 | sd_bus_error *error) { | |
de07ab16 | 2194 | |
4afd3348 | 2195 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
c8c8ee85 | 2196 | HandleAction handle; |
cc377381 LP |
2197 | bool multiple_sessions, challenge, blocked; |
2198 | const char *result = NULL; | |
2199 | uid_t uid; | |
2200 | int r; | |
de07ab16 | 2201 | |
cc377381 LP |
2202 | assert(m); |
2203 | assert(message); | |
2204 | assert(w >= 0); | |
2205 | assert(w <= _INHIBIT_WHAT_MAX); | |
2206 | assert(action); | |
2207 | assert(action_multiple_sessions); | |
2208 | assert(action_ignore_inhibit); | |
de07ab16 | 2209 | |
cc377381 LP |
2210 | if (sleep_verb) { |
2211 | r = can_sleep(sleep_verb); | |
5fdf2d51 | 2212 | if (IN_SET(r, 0, -ENOSPC, -ENOMEDIUM, -EADV)) |
b71c9758 | 2213 | return sd_bus_reply_method_return(message, "s", "na"); |
de07ab16 | 2214 | if (r < 0) |
ebcf1f97 | 2215 | return r; |
cc377381 | 2216 | } |
de07ab16 | 2217 | |
05bae4a6 | 2218 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2219 | if (r < 0) |
2220 | return r; | |
2221 | ||
05bae4a6 | 2222 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2223 | if (r < 0) |
ebcf1f97 | 2224 | return r; |
de07ab16 | 2225 | |
cc377381 LP |
2226 | r = have_multiple_sessions(m, uid); |
2227 | if (r < 0) | |
ebcf1f97 | 2228 | return r; |
de07ab16 | 2229 | |
cc377381 | 2230 | multiple_sessions = r > 0; |
85a428c6 | 2231 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2232 | |
c8c8ee85 ZJS |
2233 | handle = handle_action_from_string(sleep_verb); |
2234 | if (handle >= 0) { | |
2235 | const char *target; | |
2236 | ||
2237 | target = manager_target_for_action(handle); | |
2238 | if (target) { | |
2239 | _cleanup_free_ char *load_state = NULL; | |
2240 | ||
2241 | r = unit_load_state(m->bus, target, &load_state); | |
2242 | if (r < 0) | |
2243 | return r; | |
2244 | ||
2245 | if (!streq(load_state, "loaded")) { | |
2246 | result = "no"; | |
2247 | goto finish; | |
2248 | } | |
2249 | } | |
2250 | } | |
2251 | ||
cc377381 | 2252 | if (multiple_sessions) { |
403ed0e5 | 2253 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2254 | if (r < 0) |
ebcf1f97 | 2255 | return r; |
bef422ae | 2256 | |
cc377381 LP |
2257 | if (r > 0) |
2258 | result = "yes"; | |
2259 | else if (challenge) | |
2260 | result = "challenge"; | |
2261 | else | |
2262 | result = "no"; | |
2263 | } | |
bef422ae | 2264 | |
cc377381 | 2265 | if (blocked) { |
403ed0e5 | 2266 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2267 | if (r < 0) |
ebcf1f97 | 2268 | return r; |
bef422ae | 2269 | |
0c093a62 HT |
2270 | if (r > 0) { |
2271 | if (!result) | |
2272 | result = "yes"; | |
2273 | } else if (challenge) { | |
2274 | if (!result || streq(result, "yes")) | |
2275 | result = "challenge"; | |
2276 | } else | |
cc377381 LP |
2277 | result = "no"; |
2278 | } | |
bef422ae | 2279 | |
cc377381 LP |
2280 | if (!multiple_sessions && !blocked) { |
2281 | /* If neither inhibit nor multiple sessions | |
2282 | * apply then just check the normal policy */ | |
bef422ae | 2283 | |
403ed0e5 | 2284 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2285 | if (r < 0) |
ebcf1f97 | 2286 | return r; |
bef422ae | 2287 | |
cc377381 LP |
2288 | if (r > 0) |
2289 | result = "yes"; | |
2290 | else if (challenge) | |
2291 | result = "challenge"; | |
2292 | else | |
2293 | result = "no"; | |
2294 | } | |
bef422ae | 2295 | |
c8c8ee85 | 2296 | finish: |
df2d202e | 2297 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2298 | } |
bef422ae | 2299 | |
19070062 | 2300 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2301 | Manager *m = userdata; |
bef422ae | 2302 | |
cc377381 LP |
2303 | return method_can_shutdown_or_sleep( |
2304 | m, message, | |
2305 | INHIBIT_SHUTDOWN, | |
2306 | "org.freedesktop.login1.power-off", | |
2307 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2308 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2309 | NULL, |
2310 | error); | |
cc377381 | 2311 | } |
bef422ae | 2312 | |
19070062 | 2313 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2314 | Manager *m = userdata; |
bef422ae | 2315 | |
cc377381 LP |
2316 | return method_can_shutdown_or_sleep( |
2317 | m, message, | |
2318 | INHIBIT_SHUTDOWN, | |
2319 | "org.freedesktop.login1.reboot", | |
2320 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2321 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2322 | NULL, |
2323 | error); | |
cc377381 | 2324 | } |
bef422ae | 2325 | |
36b69c31 LP |
2326 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2327 | Manager *m = userdata; | |
2328 | ||
2329 | return method_can_shutdown_or_sleep( | |
2330 | m, message, | |
2331 | INHIBIT_SHUTDOWN, | |
2332 | "org.freedesktop.login1.halt", | |
2333 | "org.freedesktop.login1.halt-multiple-sessions", | |
2334 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2335 | NULL, | |
2336 | error); | |
2337 | } | |
2338 | ||
19070062 | 2339 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2340 | Manager *m = userdata; |
7f7bb946 | 2341 | |
cc377381 LP |
2342 | return method_can_shutdown_or_sleep( |
2343 | m, message, | |
2344 | INHIBIT_SLEEP, | |
2345 | "org.freedesktop.login1.suspend", | |
2346 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2347 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2348 | "suspend", |
2349 | error); | |
cc377381 | 2350 | } |
7f7bb946 | 2351 | |
19070062 | 2352 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2353 | Manager *m = userdata; |
02b16a19 | 2354 | |
cc377381 LP |
2355 | return method_can_shutdown_or_sleep( |
2356 | m, message, | |
2357 | INHIBIT_SLEEP, | |
2358 | "org.freedesktop.login1.hibernate", | |
2359 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2360 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2361 | "hibernate", |
2362 | error); | |
cc377381 | 2363 | } |
7f7bb946 | 2364 | |
19070062 | 2365 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2366 | Manager *m = userdata; |
7f7bb946 | 2367 | |
cc377381 LP |
2368 | return method_can_shutdown_or_sleep( |
2369 | m, message, | |
2370 | INHIBIT_SLEEP, | |
2371 | "org.freedesktop.login1.hibernate", | |
2372 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2373 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2374 | "hybrid-sleep", |
2375 | error); | |
cc377381 | 2376 | } |
38f3fc7d | 2377 | |
e68c79db | 2378 | static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
2379 | Manager *m = userdata; |
2380 | ||
2381 | return method_can_shutdown_or_sleep( | |
2382 | m, message, | |
2383 | INHIBIT_SLEEP, | |
2384 | "org.freedesktop.login1.hibernate", | |
2385 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2386 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
e68c79db | 2387 | "suspend-then-hibernate", |
c58493c0 ML |
2388 | error); |
2389 | } | |
2390 | ||
5bdf2243 JJ |
2391 | static int property_get_reboot_to_firmware_setup( |
2392 | sd_bus *bus, | |
2393 | const char *path, | |
2394 | const char *interface, | |
2395 | const char *property, | |
2396 | sd_bus_message *reply, | |
2397 | void *userdata, | |
2398 | sd_bus_error *error) { | |
2399 | int r; | |
2400 | ||
2401 | assert(bus); | |
2402 | assert(reply); | |
2403 | assert(userdata); | |
2404 | ||
2405 | r = efi_get_reboot_to_firmware(); | |
2406 | if (r < 0 && r != -EOPNOTSUPP) | |
6f302ce6 | 2407 | log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m"); |
5bdf2243 JJ |
2408 | |
2409 | return sd_bus_message_append(reply, "b", r > 0); | |
2410 | } | |
2411 | ||
2412 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2413 | sd_bus_message *message, |
2414 | void *userdata, | |
2415 | sd_bus_error *error) { | |
2416 | ||
2417 | int b, r; | |
5bdf2243 JJ |
2418 | Manager *m = userdata; |
2419 | ||
5bdf2243 JJ |
2420 | assert(message); |
2421 | assert(m); | |
2422 | ||
889f25b2 | 2423 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2424 | if (r < 0) |
2425 | return r; | |
2426 | ||
2427 | r = bus_verify_polkit_async(message, | |
2428 | CAP_SYS_ADMIN, | |
2429 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2430 | NULL, |
889f25b2 | 2431 | false, |
5bdf2243 JJ |
2432 | UID_INVALID, |
2433 | &m->polkit_registry, | |
2434 | error); | |
2435 | if (r < 0) | |
2436 | return r; | |
2437 | if (r == 0) | |
2438 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2439 | ||
2440 | r = efi_set_reboot_to_firmware(b); | |
2441 | if (r < 0) | |
2442 | return r; | |
2443 | ||
2444 | return sd_bus_reply_method_return(message, NULL); | |
2445 | } | |
2446 | ||
2447 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2448 | sd_bus_message *message, |
2449 | void *userdata, | |
2450 | sd_bus_error *error) { | |
2451 | ||
2452 | int r; | |
2453 | bool challenge; | |
2454 | const char *result; | |
2455 | Manager *m = userdata; | |
2456 | ||
5bdf2243 JJ |
2457 | assert(message); |
2458 | assert(m); | |
2459 | ||
2460 | r = efi_reboot_to_firmware_supported(); | |
6f302ce6 LP |
2461 | if (r < 0) { |
2462 | if (r != -EOPNOTSUPP) | |
c57ed573 | 2463 | log_warning_errno(r, "Failed to determine whether reboot to firmware is supported: %m"); |
6f302ce6 | 2464 | |
5bdf2243 | 2465 | return sd_bus_reply_method_return(message, "s", "na"); |
6f302ce6 | 2466 | } |
5bdf2243 JJ |
2467 | |
2468 | r = bus_test_polkit(message, | |
2469 | CAP_SYS_ADMIN, | |
2470 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2471 | NULL, |
5bdf2243 JJ |
2472 | UID_INVALID, |
2473 | &challenge, | |
2474 | error); | |
2475 | if (r < 0) | |
2476 | return r; | |
2477 | ||
2478 | if (r > 0) | |
2479 | result = "yes"; | |
2480 | else if (challenge) | |
2481 | result = "challenge"; | |
2482 | else | |
2483 | result = "no"; | |
2484 | ||
2485 | return sd_bus_reply_method_return(message, "s", result); | |
2486 | } | |
2487 | ||
9ef15026 JS |
2488 | static int method_set_wall_message( |
2489 | sd_bus_message *message, | |
2490 | void *userdata, | |
2491 | sd_bus_error *error) { | |
2492 | ||
2493 | int r; | |
2494 | Manager *m = userdata; | |
2495 | char *wall_message; | |
c9482b88 | 2496 | unsigned enable_wall_messages; |
9ef15026 JS |
2497 | |
2498 | assert(message); | |
2499 | assert(m); | |
2500 | ||
2501 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2502 | if (r < 0) | |
2503 | return r; | |
2504 | ||
2505 | r = bus_verify_polkit_async(message, | |
2506 | CAP_SYS_ADMIN, | |
2507 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2508 | NULL, |
9ef15026 JS |
2509 | false, |
2510 | UID_INVALID, | |
2511 | &m->polkit_registry, | |
2512 | error); | |
9ef15026 JS |
2513 | if (r < 0) |
2514 | return r; | |
2515 | if (r == 0) | |
2516 | return 1; /* Will call us back */ | |
2517 | ||
28a9ec44 ZJS |
2518 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
2519 | if (r < 0) | |
2520 | return log_oom(); | |
5744f59a | 2521 | |
9ef15026 JS |
2522 | m->enable_wall_messages = enable_wall_messages; |
2523 | ||
2524 | return sd_bus_reply_method_return(message, NULL); | |
2525 | } | |
2526 | ||
19070062 | 2527 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 2528 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2529 | const char *who, *why, *what, *mode; |
2530 | _cleanup_free_ char *id = NULL; | |
2531 | _cleanup_close_ int fifo_fd = -1; | |
2532 | Manager *m = userdata; | |
2533 | Inhibitor *i = NULL; | |
2534 | InhibitMode mm; | |
2535 | InhibitWhat w; | |
2536 | pid_t pid; | |
2537 | uid_t uid; | |
2538 | int r; | |
7f7bb946 | 2539 | |
cc377381 LP |
2540 | assert(message); |
2541 | assert(m); | |
38f3fc7d | 2542 | |
cc377381 LP |
2543 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
2544 | if (r < 0) | |
ebcf1f97 | 2545 | return r; |
38f3fc7d | 2546 | |
cc377381 LP |
2547 | w = inhibit_what_from_string(what); |
2548 | if (w <= 0) | |
ebcf1f97 | 2549 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 2550 | |
cc377381 LP |
2551 | mm = inhibit_mode_from_string(mode); |
2552 | if (mm < 0) | |
ebcf1f97 | 2553 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 2554 | |
cc377381 LP |
2555 | /* Delay is only supported for shutdown/sleep */ |
2556 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 2557 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 2558 | |
cc377381 LP |
2559 | /* Don't allow taking delay locks while we are already |
2560 | * executing the operation. We shouldn't create the impression | |
2561 | * that the lock was successful if the machine is about to go | |
2562 | * down/suspend any moment. */ | |
2563 | if (m->action_what & w) | |
ebcf1f97 | 2564 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 2565 | |
c529695e LP |
2566 | r = bus_verify_polkit_async( |
2567 | message, | |
2568 | CAP_SYS_BOOT, | |
2569 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
2570 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
2571 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
2572 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
2573 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
2574 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
2575 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 2576 | NULL, |
c529695e LP |
2577 | false, |
2578 | UID_INVALID, | |
2579 | &m->polkit_registry, | |
2580 | error); | |
cc377381 | 2581 | if (r < 0) |
ebcf1f97 | 2582 | return r; |
cc377381 LP |
2583 | if (r == 0) |
2584 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 2585 | |
05bae4a6 | 2586 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
2587 | if (r < 0) |
2588 | return r; | |
2589 | ||
05bae4a6 | 2590 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2591 | if (r < 0) |
ebcf1f97 | 2592 | return r; |
7f7bb946 | 2593 | |
5b12334d | 2594 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 2595 | if (r < 0) |
ebcf1f97 | 2596 | return r; |
47a26690 | 2597 | |
c5a11ae2 LP |
2598 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
2599 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
2600 | ||
cc377381 | 2601 | do { |
97b11eed | 2602 | id = mfree(id); |
47a26690 | 2603 | |
cc377381 | 2604 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 2605 | return -ENOMEM; |
47a26690 | 2606 | |
cc377381 | 2607 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 2608 | |
cc377381 LP |
2609 | r = manager_add_inhibitor(m, id, &i); |
2610 | if (r < 0) | |
ebcf1f97 | 2611 | return r; |
47a26690 | 2612 | |
cc377381 LP |
2613 | i->what = w; |
2614 | i->mode = mm; | |
2615 | i->pid = pid; | |
2616 | i->uid = uid; | |
2617 | i->why = strdup(why); | |
2618 | i->who = strdup(who); | |
7f7bb946 | 2619 | |
cc377381 | 2620 | if (!i->why || !i->who) { |
ebcf1f97 | 2621 | r = -ENOMEM; |
cc377381 LP |
2622 | goto fail; |
2623 | } | |
b668e064 | 2624 | |
cc377381 LP |
2625 | fifo_fd = inhibitor_create_fifo(i); |
2626 | if (fifo_fd < 0) { | |
ebcf1f97 | 2627 | r = fifo_fd; |
cc377381 LP |
2628 | goto fail; |
2629 | } | |
b668e064 | 2630 | |
cc377381 | 2631 | inhibitor_start(i); |
b668e064 | 2632 | |
df2d202e | 2633 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 2634 | |
cc377381 LP |
2635 | fail: |
2636 | if (i) | |
2637 | inhibitor_free(i); | |
89f13440 | 2638 | |
cc377381 LP |
2639 | return r; |
2640 | } | |
3f49d45a | 2641 | |
cc377381 LP |
2642 | const sd_bus_vtable manager_vtable[] = { |
2643 | SD_BUS_VTABLE_START(0), | |
2644 | ||
e2fa5721 DM |
2645 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
2646 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
2647 | ||
556089dc LP |
2648 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
2649 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2650 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2651 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
c30e0d7b | 2652 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, 0), |
cc377381 LP |
2653 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
2654 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2655 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2656 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2657 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc | 2658 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
9afe9efb | 2659 | SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL, offsetof(Manager, user_stop_delay), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2660 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), |
2661 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2662 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2663 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
e25937a3 | 2664 | SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST), |
3c56cab4 | 2665 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 2666 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2667 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
2668 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
2669 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
2670 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 2671 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 2672 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
9b9c23da | 2673 | SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0), |
4e96eb68 | 2674 | SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power, 0, 0), |
6d97d3c6 | 2675 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
a7b46b7d | 2676 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), |
c5a11ae2 | 2677 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 2678 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size, offsetof(Manager, inhibitors), 0), |
183e0738 | 2679 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 2680 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size, offsetof(Manager, sessions), 0), |
28414939 | 2681 | SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
cc377381 | 2682 | |
adacb957 LP |
2683 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2684 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2685 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2686 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2687 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
2688 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2689 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
2690 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
2691 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 2692 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 2693 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
2694 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2695 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
2696 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2697 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2698 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2699 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2700 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2701 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2702 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2703 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2704 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
2705 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
2706 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
2707 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
2708 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2709 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2710 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2711 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2712 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2713 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 2714 | SD_BUS_METHOD("SuspendThenHibernate", "b", NULL, method_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2715 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), |
2716 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2717 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2718 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2719 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2720 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 2721 | SD_BUS_METHOD("CanSuspendThenHibernate", NULL, "s", method_can_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
559b5cc2 LP |
2722 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
2723 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 2724 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 2725 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 2726 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
9ef15026 | 2727 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
2728 | |
2729 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
2730 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
2731 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
2732 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
2733 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
2734 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
2735 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
2736 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
2737 | ||
2738 | SD_BUS_VTABLE_END | |
2739 | }; | |
3f49d45a | 2740 | |
99e7e392 | 2741 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
99e7e392 DH |
2742 | assert(s); |
2743 | assert(unit); | |
2744 | ||
2745 | if (!s->started) | |
25a1ab4e | 2746 | return 0; |
99e7e392 | 2747 | |
25a1ab4e | 2748 | if (result && !streq(result, "done")) { |
4afd3348 | 2749 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 | 2750 | |
25a1ab4e LP |
2751 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit '%s' failed with '%s'", unit, result); |
2752 | return session_send_create_reply(s, &e); | |
99e7e392 DH |
2753 | } |
2754 | ||
25a1ab4e | 2755 | return session_send_create_reply(s, NULL); |
99e7e392 DH |
2756 | } |
2757 | ||
19070062 | 2758 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2759 | const char *path, *result, *unit; |
2760 | Manager *m = userdata; | |
2761 | Session *session; | |
2762 | uint32_t id; | |
2763 | User *user; | |
2764 | int r; | |
3f49d45a | 2765 | |
cc377381 LP |
2766 | assert(message); |
2767 | assert(m); | |
3f49d45a | 2768 | |
cc377381 LP |
2769 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
2770 | if (r < 0) { | |
ebcf1f97 | 2771 | bus_log_parse_error(r); |
65d73cf0 | 2772 | return 0; |
cc377381 | 2773 | } |
3f49d45a | 2774 | |
cc377381 | 2775 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 2776 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 2777 | |
cc377381 | 2778 | /* Tell people that they now may take a lock again */ |
401e33ed | 2779 | (void) send_prepare_for(m, m->action_what, false); |
3f49d45a | 2780 | |
491ac9f2 | 2781 | m->action_job = mfree(m->action_job); |
cc377381 LP |
2782 | m->action_unit = NULL; |
2783 | m->action_what = 0; | |
2784 | return 0; | |
2785 | } | |
3f49d45a | 2786 | |
cc377381 | 2787 | session = hashmap_get(m->session_units, unit); |
25a1ab4e LP |
2788 | if (session) { |
2789 | if (streq_ptr(path, session->scope_job)) { | |
2790 | session->scope_job = mfree(session->scope_job); | |
2791 | (void) session_jobs_reply(session, unit, result); | |
2792 | ||
2793 | session_save(session); | |
2794 | user_save(session->user); | |
2795 | } | |
3f49d45a | 2796 | |
cc377381 LP |
2797 | session_add_to_gc_queue(session); |
2798 | } | |
3f49d45a | 2799 | |
cc377381 | 2800 | user = hashmap_get(m->user_units, unit); |
25a1ab4e LP |
2801 | if (user) { |
2802 | if (streq_ptr(path, user->service_job)) { | |
491ac9f2 | 2803 | user->service_job = mfree(user->service_job); |
3f49d45a | 2804 | |
25a1ab4e LP |
2805 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
2806 | (void) session_jobs_reply(session, unit, NULL /* don't propagate user service failures to the client */); | |
3f49d45a | 2807 | |
25a1ab4e LP |
2808 | user_save(user); |
2809 | } | |
dd9b67aa | 2810 | |
cc377381 | 2811 | user_add_to_gc_queue(user); |
3f49d45a LP |
2812 | } |
2813 | ||
cc377381 | 2814 | return 0; |
3f49d45a LP |
2815 | } |
2816 | ||
19070062 | 2817 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2818 | const char *path, *unit; |
1713813d | 2819 | Manager *m = userdata; |
cc377381 LP |
2820 | Session *session; |
2821 | User *user; | |
2822 | int r; | |
1713813d | 2823 | |
1713813d | 2824 | assert(message); |
cc377381 | 2825 | assert(m); |
1713813d | 2826 | |
cc377381 LP |
2827 | r = sd_bus_message_read(message, "so", &unit, &path); |
2828 | if (r < 0) { | |
ebcf1f97 | 2829 | bus_log_parse_error(r); |
65d73cf0 | 2830 | return 0; |
cc377381 | 2831 | } |
fb6becb4 | 2832 | |
cc377381 LP |
2833 | session = hashmap_get(m->session_units, unit); |
2834 | if (session) | |
2835 | session_add_to_gc_queue(session); | |
fb6becb4 | 2836 | |
cc377381 LP |
2837 | user = hashmap_get(m->user_units, unit); |
2838 | if (user) | |
2839 | user_add_to_gc_queue(user); | |
fb6becb4 | 2840 | |
cc377381 LP |
2841 | return 0; |
2842 | } | |
fb6becb4 | 2843 | |
19070062 | 2844 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2845 | _cleanup_free_ char *unit = NULL; |
2846 | Manager *m = userdata; | |
2847 | const char *path; | |
2848 | Session *session; | |
2849 | User *user; | |
ebcf1f97 | 2850 | int r; |
fb6becb4 | 2851 | |
cc377381 LP |
2852 | assert(message); |
2853 | assert(m); | |
fb6becb4 | 2854 | |
cc377381 LP |
2855 | path = sd_bus_message_get_path(message); |
2856 | if (!path) | |
2857 | return 0; | |
fb6becb4 | 2858 | |
ebcf1f97 | 2859 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
2860 | if (r == -EINVAL) /* not a unit */ |
2861 | return 0; | |
65d73cf0 LP |
2862 | if (r < 0) { |
2863 | log_oom(); | |
2864 | return 0; | |
2865 | } | |
fb6becb4 | 2866 | |
cc377381 LP |
2867 | session = hashmap_get(m->session_units, unit); |
2868 | if (session) | |
2869 | session_add_to_gc_queue(session); | |
fb6becb4 | 2870 | |
cc377381 LP |
2871 | user = hashmap_get(m->user_units, unit); |
2872 | if (user) | |
2873 | user_add_to_gc_queue(user); | |
fb6becb4 | 2874 | |
cc377381 LP |
2875 | return 0; |
2876 | } | |
6fa48533 | 2877 | |
19070062 | 2878 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2879 | Manager *m = userdata; |
2880 | Session *session; | |
2881 | Iterator i; | |
2882 | int b, r; | |
943aca8e | 2883 | |
19070062 LP |
2884 | assert(message); |
2885 | assert(m); | |
943aca8e | 2886 | |
cc377381 LP |
2887 | r = sd_bus_message_read(message, "b", &b); |
2888 | if (r < 0) { | |
ebcf1f97 | 2889 | bus_log_parse_error(r); |
65d73cf0 | 2890 | return 0; |
cc377381 | 2891 | } |
943aca8e | 2892 | |
cc377381 LP |
2893 | if (b) |
2894 | return 0; | |
943aca8e | 2895 | |
cc377381 LP |
2896 | /* systemd finished reloading, let's recheck all our sessions */ |
2897 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2898 | |
cc377381 LP |
2899 | HASHMAP_FOREACH(session, m->sessions, i) |
2900 | session_add_to_gc_queue(session); | |
6797c324 | 2901 | |
cc377381 LP |
2902 | return 0; |
2903 | } | |
943aca8e | 2904 | |
cc377381 LP |
2905 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2906 | char **l; | |
9418f147 LP |
2907 | |
2908 | assert(manager); | |
2909 | ||
cc377381 | 2910 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2911 | |
cc377381 LP |
2912 | return sd_bus_emit_properties_changed_strv( |
2913 | manager->bus, | |
2914 | "/org/freedesktop/login1", | |
2915 | "org.freedesktop.login1.Manager", | |
2916 | l); | |
9418f147 | 2917 | } |
eecd1362 | 2918 | |
2adae5ac ZJS |
2919 | static int strdup_job(sd_bus_message *reply, char **job) { |
2920 | const char *j; | |
2921 | char *copy; | |
2922 | int r; | |
2923 | ||
2924 | r = sd_bus_message_read(reply, "o", &j); | |
2925 | if (r < 0) | |
2926 | return r; | |
2927 | ||
2928 | copy = strdup(j); | |
2929 | if (!copy) | |
2930 | return -ENOMEM; | |
2931 | ||
2932 | *job = copy; | |
2933 | return 1; | |
2934 | } | |
2935 | ||
fb6becb4 LP |
2936 | int manager_start_scope( |
2937 | Manager *manager, | |
2938 | const char *scope, | |
2939 | pid_t pid, | |
2940 | const char *slice, | |
2941 | const char *description, | |
25a1ab4e LP |
2942 | char **wants, |
2943 | char **after, | |
d5ac9d06 | 2944 | const char *requires_mounts_for, |
22f93314 | 2945 | sd_bus_message *more_properties, |
cc377381 | 2946 | sd_bus_error *error, |
fb6becb4 LP |
2947 | char **job) { |
2948 | ||
4afd3348 | 2949 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
25a1ab4e | 2950 | char **i; |
cc377381 | 2951 | int r; |
fb6becb4 LP |
2952 | |
2953 | assert(manager); | |
2954 | assert(scope); | |
2955 | assert(pid > 1); | |
2adae5ac | 2956 | assert(job); |
fb6becb4 | 2957 | |
cc377381 LP |
2958 | r = sd_bus_message_new_method_call( |
2959 | manager->bus, | |
151b9b96 | 2960 | &m, |
fb6becb4 LP |
2961 | "org.freedesktop.systemd1", |
2962 | "/org/freedesktop/systemd1", | |
2963 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 2964 | "StartTransientUnit"); |
cc377381 LP |
2965 | if (r < 0) |
2966 | return r; | |
fb6becb4 | 2967 | |
cc377381 LP |
2968 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
2969 | if (r < 0) | |
2970 | return r; | |
fb6becb4 | 2971 | |
cc377381 LP |
2972 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
2973 | if (r < 0) | |
2974 | return r; | |
fb6becb4 LP |
2975 | |
2976 | if (!isempty(slice)) { | |
cc377381 LP |
2977 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
2978 | if (r < 0) | |
2979 | return r; | |
fb6becb4 LP |
2980 | } |
2981 | ||
2982 | if (!isempty(description)) { | |
cc377381 LP |
2983 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
2984 | if (r < 0) | |
2985 | return r; | |
fb6becb4 LP |
2986 | } |
2987 | ||
25a1ab4e LP |
2988 | STRV_FOREACH(i, wants) { |
2989 | r = sd_bus_message_append(m, "(sv)", "Wants", "as", 1, *i); | |
cc377381 LP |
2990 | if (r < 0) |
2991 | return r; | |
7fb3ee51 LP |
2992 | } |
2993 | ||
25a1ab4e LP |
2994 | STRV_FOREACH(i, after) { |
2995 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, *i); | |
ba4c5d93 LP |
2996 | if (r < 0) |
2997 | return r; | |
2998 | } | |
2999 | ||
d5ac9d06 LP |
3000 | if (!empty_or_root(requires_mounts_for)) { |
3001 | r = sd_bus_message_append(m, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for); | |
3002 | if (r < 0) | |
3003 | return r; | |
3004 | } | |
3005 | ||
e743bca2 LP |
3006 | /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore |
3007 | * SIGTERM */ | |
cc377381 LP |
3008 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3009 | if (r < 0) | |
3010 | return r; | |
3011 | ||
3012 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3013 | if (r < 0) | |
3014 | return r; | |
3015 | ||
22f93314 JS |
3016 | /* disable TasksMax= for the session scope, rely on the slice setting for it */ |
3017 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", (uint64_t)-1); | |
90558f31 | 3018 | if (r < 0) |
22f93314 JS |
3019 | return bus_log_create_error(r); |
3020 | ||
3021 | if (more_properties) { | |
3022 | /* If TasksMax also appears here, it will overwrite the default value set above */ | |
3023 | r = sd_bus_message_copy(m, more_properties, true); | |
3024 | if (r < 0) | |
3025 | return r; | |
3026 | } | |
90558f31 | 3027 | |
cc377381 LP |
3028 | r = sd_bus_message_close_container(m); |
3029 | if (r < 0) | |
3030 | return r; | |
86b8d289 LP |
3031 | |
3032 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3033 | if (r < 0) | |
3034 | return r; | |
cc377381 | 3035 | |
c49b30a2 | 3036 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3037 | if (r < 0) |
3038 | return r; | |
fb6becb4 | 3039 | |
2adae5ac | 3040 | return strdup_job(reply, job); |
fb6becb4 LP |
3041 | } |
3042 | ||
cc377381 | 3043 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3044 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3045 | int r; |
3046 | ||
3047 | assert(manager); | |
3048 | assert(unit); | |
2adae5ac | 3049 | assert(job); |
fb6becb4 | 3050 | |
cc377381 | 3051 | r = sd_bus_call_method( |
fb6becb4 LP |
3052 | manager->bus, |
3053 | "org.freedesktop.systemd1", | |
3054 | "/org/freedesktop/systemd1", | |
3055 | "org.freedesktop.systemd1.Manager", | |
3056 | "StartUnit", | |
fb6becb4 | 3057 | error, |
cc377381 | 3058 | &reply, |
79ee4ad1 | 3059 | "ss", unit, "replace"); |
cc377381 | 3060 | if (r < 0) |
fb6becb4 | 3061 | return r; |
fb6becb4 | 3062 | |
2adae5ac | 3063 | return strdup_job(reply, job); |
fb6becb4 LP |
3064 | } |
3065 | ||
cc377381 | 3066 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3067 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3068 | int r; |
3069 | ||
3070 | assert(manager); | |
3071 | assert(unit); | |
2adae5ac | 3072 | assert(job); |
fb6becb4 | 3073 | |
cc377381 | 3074 | r = sd_bus_call_method( |
fb6becb4 LP |
3075 | manager->bus, |
3076 | "org.freedesktop.systemd1", | |
3077 | "/org/freedesktop/systemd1", | |
3078 | "org.freedesktop.systemd1.Manager", | |
3079 | "StopUnit", | |
fb6becb4 | 3080 | error, |
cc377381 LP |
3081 | &reply, |
3082 | "ss", unit, "fail"); | |
fb6becb4 | 3083 | if (r < 0) { |
cc377381 LP |
3084 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3085 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3086 | |
2adae5ac | 3087 | *job = NULL; |
cc377381 | 3088 | sd_bus_error_free(error); |
6797c324 LP |
3089 | return 0; |
3090 | } | |
3091 | ||
fb6becb4 LP |
3092 | return r; |
3093 | } | |
3094 | ||
2adae5ac | 3095 | return strdup_job(reply, job); |
fb6becb4 LP |
3096 | } |
3097 | ||
ea3a7cf6 LP |
3098 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *ret_error) { |
3099 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5f41d1f1 LP |
3100 | _cleanup_free_ char *path = NULL; |
3101 | int r; | |
3102 | ||
3103 | assert(manager); | |
3104 | assert(scope); | |
3105 | ||
3106 | path = unit_dbus_path_from_name(scope); | |
3107 | if (!path) | |
3108 | return -ENOMEM; | |
3109 | ||
3110 | r = sd_bus_call_method( | |
3111 | manager->bus, | |
3112 | "org.freedesktop.systemd1", | |
3113 | path, | |
3114 | "org.freedesktop.systemd1.Scope", | |
3115 | "Abandon", | |
ea3a7cf6 | 3116 | &error, |
5f41d1f1 LP |
3117 | NULL, |
3118 | NULL); | |
3119 | if (r < 0) { | |
ea3a7cf6 LP |
3120 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
3121 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED) || | |
3122 | sd_bus_error_has_name(&error, BUS_ERROR_SCOPE_NOT_RUNNING)) | |
5f41d1f1 | 3123 | return 0; |
5f41d1f1 | 3124 | |
ea3a7cf6 | 3125 | sd_bus_error_move(ret_error, &error); |
5f41d1f1 LP |
3126 | return r; |
3127 | } | |
3128 | ||
3129 | return 1; | |
3130 | } | |
3131 | ||
cc377381 | 3132 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3133 | assert(manager); |
3134 | assert(unit); | |
3135 | ||
cc377381 | 3136 | return sd_bus_call_method( |
fb6becb4 LP |
3137 | manager->bus, |
3138 | "org.freedesktop.systemd1", | |
3139 | "/org/freedesktop/systemd1", | |
3140 | "org.freedesktop.systemd1.Manager", | |
3141 | "KillUnit", | |
fb6becb4 | 3142 | error, |
cc377381 LP |
3143 | NULL, |
3144 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3145 | } |
3146 | ||
bd26aee1 | 3147 | int manager_unit_is_active(Manager *manager, const char *unit, sd_bus_error *ret_error) { |
4afd3348 LP |
3148 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3149 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3150 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3151 | const char *state; |
fb6becb4 LP |
3152 | int r; |
3153 | ||
3154 | assert(manager); | |
3155 | assert(unit); | |
3156 | ||
fb6becb4 LP |
3157 | path = unit_dbus_path_from_name(unit); |
3158 | if (!path) | |
3159 | return -ENOMEM; | |
3160 | ||
cc377381 | 3161 | r = sd_bus_get_property( |
fb6becb4 LP |
3162 | manager->bus, |
3163 | "org.freedesktop.systemd1", | |
3164 | path, | |
cc377381 LP |
3165 | "org.freedesktop.systemd1.Unit", |
3166 | "ActiveState", | |
fb6becb4 | 3167 | &error, |
cc377381 LP |
3168 | &reply, |
3169 | "s"); | |
fb6becb4 | 3170 | if (r < 0) { |
cc377381 LP |
3171 | /* systemd might have droppped off momentarily, let's |
3172 | * not make this an error */ | |
3173 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3174 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3175 | return true; |
6797c324 | 3176 | |
cc377381 LP |
3177 | /* If the unit is already unloaded then it's not |
3178 | * active */ | |
3179 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3180 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3181 | return false; |
6797c324 | 3182 | |
bd26aee1 | 3183 | sd_bus_error_move(ret_error, &error); |
fb6becb4 LP |
3184 | return r; |
3185 | } | |
3186 | ||
cc377381 LP |
3187 | r = sd_bus_message_read(reply, "s", &state); |
3188 | if (r < 0) | |
bd26aee1 | 3189 | return r; |
fb6becb4 | 3190 | |
bd26aee1 | 3191 | return !STR_IN_SET(state, "inactive", "failed"); |
cc377381 LP |
3192 | } |
3193 | ||
bd26aee1 | 3194 | int manager_job_is_active(Manager *manager, const char *path, sd_bus_error *ret_error) { |
4afd3348 LP |
3195 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3196 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3197 | int r; |
3198 | ||
3199 | assert(manager); | |
3200 | assert(path); | |
3201 | ||
3202 | r = sd_bus_get_property( | |
3203 | manager->bus, | |
3204 | "org.freedesktop.systemd1", | |
3205 | path, | |
3206 | "org.freedesktop.systemd1.Job", | |
3207 | "State", | |
3208 | &error, | |
3209 | &reply, | |
3210 | "s"); | |
3211 | if (r < 0) { | |
3212 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3213 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3214 | return true; | |
3215 | ||
3216 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3217 | return false; | |
3218 | ||
bd26aee1 | 3219 | sd_bus_error_move(ret_error, &error); |
cc377381 | 3220 | return r; |
fb6becb4 LP |
3221 | } |
3222 | ||
cc377381 LP |
3223 | /* We don't actually care about the state really. The fact |
3224 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3225 | |
cc377381 | 3226 | return true; |
fb6becb4 | 3227 | } |