]>
Commit | Line | Data |
---|---|---|
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" |
ee228be1 | 24 | #include "fileio.h" |
f97b34a6 | 25 | #include "format-util.h" |
f4f15635 | 26 | #include "fs-util.h" |
4f5dd394 | 27 | #include "logind.h" |
36dd5ffd | 28 | #include "missing_capability.h" |
4f5dd394 LP |
29 | #include "mkdir.h" |
30 | #include "path-util.h" | |
0b452006 | 31 | #include "process-util.h" |
4f5dd394 LP |
32 | #include "selinux-util.h" |
33 | #include "sleep-config.h" | |
34 | #include "special.h" | |
35 | #include "strv.h" | |
288a74cc | 36 | #include "terminal-util.h" |
e4de7287 | 37 | #include "tmpfile-util.h" |
4f5dd394 | 38 | #include "unit-name.h" |
b1d4f8e1 | 39 | #include "user-util.h" |
e2fa5721 | 40 | #include "utmp-wtmp.h" |
3f49d45a | 41 | |
aeb07570 AJ |
42 | static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) { |
43 | ||
4afd3348 | 44 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
aeb07570 | 45 | const char *name; |
309a29df LP |
46 | Session *session; |
47 | int r; | |
48 | ||
7b33c622 AJ |
49 | /* Get client login session. This is not what you are looking for these days, |
50 | * as apps may instead belong to a user service unit. This includes terminal | |
51 | * emulators and hence command-line apps. */ | |
aeb07570 AJ |
52 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); |
53 | if (r < 0) | |
54 | return r; | |
55 | ||
56 | r = sd_bus_creds_get_session(creds, &name); | |
57 | if (r == -ENXIO) | |
58 | goto err_no_session; | |
59 | if (r < 0) | |
60 | return r; | |
61 | ||
62 | session = hashmap_get(m->sessions, name); | |
63 | if (!session) | |
64 | goto err_no_session; | |
65 | ||
66 | *ret = session; | |
67 | return 0; | |
68 | ||
69 | err_no_session: | |
70 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, | |
71 | "Caller does not belong to any known session"); | |
72 | } | |
73 | ||
74 | int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { | |
75 | Session *session; | |
76 | ||
309a29df LP |
77 | assert(m); |
78 | assert(message); | |
79 | assert(ret); | |
80 | ||
aeb07570 AJ |
81 | if (isempty(name)) |
82 | return get_sender_session(m, message, error, ret); | |
309a29df LP |
83 | |
84 | session = hashmap_get(m->sessions, name); | |
85 | if (!session) | |
86 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
87 | ||
88 | *ret = session; | |
89 | return 0; | |
90 | } | |
91 | ||
aeb07570 AJ |
92 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
93 | ||
94 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
95 | uid_t uid; | |
309a29df LP |
96 | User *user; |
97 | int r; | |
98 | ||
aeb07570 AJ |
99 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
100 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
101 | if (r < 0) | |
102 | return r; | |
103 | ||
104 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
105 | if (r == -ENXIO) | |
106 | goto err_no_user; | |
107 | if (r < 0) | |
108 | return r; | |
109 | ||
110 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
111 | if (!user) | |
112 | goto err_no_user; | |
113 | ||
114 | *ret = user; | |
115 | return 0; | |
116 | ||
117 | err_no_user: | |
095b8833 | 118 | 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 |
119 | } |
120 | ||
121 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
122 | User *user; | |
123 | ||
309a29df LP |
124 | assert(m); |
125 | assert(message); | |
126 | assert(ret); | |
127 | ||
aeb07570 AJ |
128 | if (!uid_is_valid(uid)) |
129 | return get_sender_user(m, message, error, ret); | |
309a29df | 130 | |
8cb4ab00 | 131 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 132 | if (!user) |
095b8833 | 133 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid); |
309a29df LP |
134 | |
135 | *ret = user; | |
136 | return 0; | |
137 | } | |
138 | ||
139 | int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { | |
140 | Seat *seat; | |
141 | int r; | |
142 | ||
143 | assert(m); | |
144 | assert(message); | |
145 | assert(ret); | |
146 | ||
147 | if (isempty(name)) { | |
148 | Session *session; | |
149 | ||
150 | r = manager_get_session_from_creds(m, message, NULL, error, &session); | |
151 | if (r < 0) | |
152 | return r; | |
153 | ||
154 | seat = session->seat; | |
309a29df LP |
155 | if (!seat) |
156 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); | |
157 | } else { | |
158 | seat = hashmap_get(m->seats, name); | |
159 | if (!seat) | |
160 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
161 | } | |
162 | ||
163 | *ret = seat; | |
164 | return 0; | |
165 | } | |
166 | ||
cc377381 LP |
167 | static int property_get_idle_hint( |
168 | sd_bus *bus, | |
169 | const char *path, | |
170 | const char *interface, | |
171 | const char *property, | |
172 | sd_bus_message *reply, | |
ebcf1f97 LP |
173 | void *userdata, |
174 | sd_bus_error *error) { | |
a185c5aa | 175 | |
cc377381 | 176 | Manager *m = userdata; |
a185c5aa | 177 | |
cc377381 LP |
178 | assert(bus); |
179 | assert(reply); | |
180 | assert(m); | |
181 | ||
182 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
183 | } |
184 | ||
cc377381 LP |
185 | static int property_get_idle_since_hint( |
186 | sd_bus *bus, | |
187 | const char *path, | |
188 | const char *interface, | |
189 | const char *property, | |
190 | sd_bus_message *reply, | |
ebcf1f97 LP |
191 | void *userdata, |
192 | sd_bus_error *error) { | |
cc377381 LP |
193 | |
194 | Manager *m = userdata; | |
5cb14b37 | 195 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 196 | |
cc377381 LP |
197 | assert(bus); |
198 | assert(reply); | |
a185c5aa LP |
199 | assert(m); |
200 | ||
201 | manager_get_idle_hint(m, &t); | |
a185c5aa | 202 | |
cc377381 | 203 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
204 | } |
205 | ||
cc377381 LP |
206 | static int property_get_inhibited( |
207 | sd_bus *bus, | |
208 | const char *path, | |
209 | const char *interface, | |
210 | const char *property, | |
211 | sd_bus_message *reply, | |
ebcf1f97 LP |
212 | void *userdata, |
213 | sd_bus_error *error) { | |
cc377381 LP |
214 | |
215 | Manager *m = userdata; | |
f8e2fb7b | 216 | InhibitWhat w; |
f8e2fb7b | 217 | |
cc377381 LP |
218 | assert(bus); |
219 | assert(reply); | |
220 | assert(m); | |
f8e2fb7b | 221 | |
cc377381 | 222 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 223 | |
cc377381 | 224 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
225 | } |
226 | ||
cc377381 LP |
227 | static int property_get_preparing( |
228 | sd_bus *bus, | |
229 | const char *path, | |
230 | const char *interface, | |
231 | const char *property, | |
232 | sd_bus_message *reply, | |
ebcf1f97 LP |
233 | void *userdata, |
234 | sd_bus_error *error) { | |
cc377381 LP |
235 | |
236 | Manager *m = userdata; | |
237 | bool b; | |
5e4a79da | 238 | |
cc377381 LP |
239 | assert(bus); |
240 | assert(reply); | |
241 | assert(m); | |
5e4a79da LP |
242 | |
243 | if (streq(property, "PreparingForShutdown")) | |
5d904a6a | 244 | b = m->action_what & INHIBIT_SHUTDOWN; |
5e4a79da | 245 | else |
5d904a6a | 246 | b = m->action_what & INHIBIT_SLEEP; |
5e4a79da | 247 | |
cc377381 | 248 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
249 | } |
250 | ||
8aaa023a DM |
251 | static int property_get_scheduled_shutdown( |
252 | sd_bus *bus, | |
253 | const char *path, | |
254 | const char *interface, | |
255 | const char *property, | |
256 | sd_bus_message *reply, | |
257 | void *userdata, | |
258 | sd_bus_error *error) { | |
259 | ||
260 | Manager *m = userdata; | |
261 | int r; | |
262 | ||
263 | assert(bus); | |
264 | assert(reply); | |
265 | assert(m); | |
266 | ||
267 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
268 | if (r < 0) | |
269 | return r; | |
270 | ||
271 | r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); | |
272 | if (r < 0) | |
273 | return r; | |
274 | ||
275 | return sd_bus_message_close_container(reply); | |
276 | } | |
277 | ||
cc377381 | 278 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
01adcd69 | 279 | static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays); |
9b9c23da | 280 | static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed); |
4e96eb68 | 281 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power, "b", manager_is_on_external_power); |
01adcd69 YW |
282 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX); |
283 | static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size); | |
28414939 | 284 | |
19070062 | 285 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
286 | _cleanup_free_ char *p = NULL; |
287 | Manager *m = userdata; | |
288 | const char *name; | |
289 | Session *session; | |
290 | int r; | |
291 | ||
cc377381 LP |
292 | assert(message); |
293 | assert(m); | |
294 | ||
295 | r = sd_bus_message_read(message, "s", &name); | |
296 | if (r < 0) | |
ebcf1f97 | 297 | return r; |
cc377381 | 298 | |
309a29df LP |
299 | r = manager_get_session_from_creds(m, message, name, error, &session); |
300 | if (r < 0) | |
301 | return r; | |
cc377381 LP |
302 | |
303 | p = session_bus_path(session); | |
304 | if (!p) | |
ebcf1f97 | 305 | return -ENOMEM; |
cc377381 | 306 | |
df2d202e | 307 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
308 | } |
309 | ||
7b33c622 AJ |
310 | /* Get login session of a process. This is not what you are looking for these days, |
311 | * as apps may instead belong to a user service unit. This includes terminal | |
312 | * emulators and hence command-line apps. */ | |
19070062 | 313 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 314 | _cleanup_free_ char *p = NULL; |
954449b8 | 315 | Session *session = NULL; |
cc377381 | 316 | Manager *m = userdata; |
4e724d9c | 317 | pid_t pid; |
cc377381 LP |
318 | int r; |
319 | ||
cc377381 LP |
320 | assert(message); |
321 | assert(m); | |
322 | ||
4e724d9c LP |
323 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
324 | ||
cc377381 LP |
325 | r = sd_bus_message_read(message, "u", &pid); |
326 | if (r < 0) | |
ebcf1f97 | 327 | return r; |
07b38ba5 | 328 | if (pid < 0) |
06820eaf | 329 | return -EINVAL; |
cc377381 | 330 | |
06820eaf | 331 | if (pid == 0) { |
309a29df | 332 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
333 | if (r < 0) |
334 | return r; | |
309a29df LP |
335 | } else { |
336 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 337 | if (r < 0) |
ebcf1f97 | 338 | return r; |
4e724d9c | 339 | |
309a29df LP |
340 | if (!session) |
341 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); | |
342 | } | |
cc377381 LP |
343 | |
344 | p = session_bus_path(session); | |
345 | if (!p) | |
ebcf1f97 | 346 | return -ENOMEM; |
cc377381 | 347 | |
df2d202e | 348 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
349 | } |
350 | ||
19070062 | 351 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
352 | _cleanup_free_ char *p = NULL; |
353 | Manager *m = userdata; | |
354 | uint32_t uid; | |
355 | User *user; | |
356 | int r; | |
357 | ||
cc377381 LP |
358 | assert(message); |
359 | assert(m); | |
360 | ||
361 | r = sd_bus_message_read(message, "u", &uid); | |
362 | if (r < 0) | |
ebcf1f97 | 363 | return r; |
cc377381 | 364 | |
309a29df LP |
365 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
366 | if (r < 0) | |
367 | return r; | |
cc377381 LP |
368 | |
369 | p = user_bus_path(user); | |
370 | if (!p) | |
ebcf1f97 | 371 | return -ENOMEM; |
cc377381 | 372 | |
df2d202e | 373 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
374 | } |
375 | ||
19070062 | 376 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
377 | _cleanup_free_ char *p = NULL; |
378 | Manager *m = userdata; | |
954449b8 | 379 | User *user = NULL; |
4e724d9c | 380 | pid_t pid; |
fb6becb4 | 381 | int r; |
98a28fef | 382 | |
cc377381 | 383 | assert(message); |
98a28fef | 384 | assert(m); |
cc377381 | 385 | |
4e724d9c LP |
386 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
387 | ||
cc377381 LP |
388 | r = sd_bus_message_read(message, "u", &pid); |
389 | if (r < 0) | |
ebcf1f97 | 390 | return r; |
07b38ba5 | 391 | if (pid < 0) |
06820eaf | 392 | return -EINVAL; |
cc377381 | 393 | |
06820eaf | 394 | if (pid == 0) { |
309a29df | 395 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
396 | if (r < 0) |
397 | return r; | |
309a29df LP |
398 | } else { |
399 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 400 | if (r < 0) |
ebcf1f97 | 401 | return r; |
309a29df | 402 | if (!user) |
095b8833 AJ |
403 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
404 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
405 | pid); | |
4e724d9c LP |
406 | } |
407 | ||
cc377381 LP |
408 | p = user_bus_path(user); |
409 | if (!p) | |
ebcf1f97 | 410 | return -ENOMEM; |
cc377381 | 411 | |
df2d202e | 412 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
413 | } |
414 | ||
19070062 | 415 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
416 | _cleanup_free_ char *p = NULL; |
417 | Manager *m = userdata; | |
418 | const char *name; | |
419 | Seat *seat; | |
420 | int r; | |
421 | ||
98a28fef | 422 | assert(message); |
cc377381 | 423 | assert(m); |
98a28fef | 424 | |
cc377381 LP |
425 | r = sd_bus_message_read(message, "s", &name); |
426 | if (r < 0) | |
ebcf1f97 | 427 | return r; |
98a28fef | 428 | |
309a29df LP |
429 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
430 | if (r < 0) | |
431 | return r; | |
98a28fef | 432 | |
cc377381 LP |
433 | p = seat_bus_path(seat); |
434 | if (!p) | |
ebcf1f97 | 435 | return -ENOMEM; |
98a28fef | 436 | |
df2d202e | 437 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 438 | } |
98a28fef | 439 | |
19070062 | 440 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 441 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
442 | Manager *m = userdata; |
443 | Session *session; | |
444 | Iterator i; | |
445 | int r; | |
446 | ||
cc377381 LP |
447 | assert(message); |
448 | assert(m); | |
98a28fef | 449 | |
df2d202e | 450 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 451 | if (r < 0) |
ebcf1f97 | 452 | return r; |
98a28fef | 453 | |
cc377381 LP |
454 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
455 | if (r < 0) | |
ebcf1f97 | 456 | return r; |
cc377381 LP |
457 | |
458 | HASHMAP_FOREACH(session, m->sessions, i) { | |
459 | _cleanup_free_ char *p = NULL; | |
460 | ||
461 | p = session_bus_path(session); | |
462 | if (!p) | |
ebcf1f97 | 463 | return -ENOMEM; |
cc377381 LP |
464 | |
465 | r = sd_bus_message_append(reply, "(susso)", | |
466 | session->id, | |
467 | (uint32_t) session->user->uid, | |
468 | session->user->name, | |
469 | session->seat ? session->seat->id : "", | |
470 | p); | |
471 | if (r < 0) | |
ebcf1f97 | 472 | return r; |
cc377381 LP |
473 | } |
474 | ||
475 | r = sd_bus_message_close_container(reply); | |
476 | if (r < 0) | |
ebcf1f97 | 477 | return r; |
cc377381 | 478 | |
9030ca46 | 479 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
480 | } |
481 | ||
19070062 | 482 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 483 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
484 | Manager *m = userdata; |
485 | User *user; | |
486 | Iterator i; | |
487 | int r; | |
488 | ||
cc377381 LP |
489 | assert(message); |
490 | assert(m); | |
491 | ||
df2d202e | 492 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 493 | if (r < 0) |
ebcf1f97 | 494 | return r; |
cc377381 LP |
495 | |
496 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
497 | if (r < 0) | |
ebcf1f97 | 498 | return r; |
cc377381 LP |
499 | |
500 | HASHMAP_FOREACH(user, m->users, i) { | |
501 | _cleanup_free_ char *p = NULL; | |
502 | ||
503 | p = user_bus_path(user); | |
504 | if (!p) | |
ebcf1f97 | 505 | return -ENOMEM; |
cc377381 LP |
506 | |
507 | r = sd_bus_message_append(reply, "(uso)", | |
508 | (uint32_t) user->uid, | |
509 | user->name, | |
510 | p); | |
511 | if (r < 0) | |
ebcf1f97 | 512 | return r; |
cc377381 LP |
513 | } |
514 | ||
515 | r = sd_bus_message_close_container(reply); | |
516 | if (r < 0) | |
ebcf1f97 | 517 | return r; |
cc377381 | 518 | |
9030ca46 | 519 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
520 | } |
521 | ||
19070062 | 522 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 523 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
524 | Manager *m = userdata; |
525 | Seat *seat; | |
526 | Iterator i; | |
527 | int r; | |
528 | ||
cc377381 LP |
529 | assert(message); |
530 | assert(m); | |
531 | ||
df2d202e | 532 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 533 | if (r < 0) |
ebcf1f97 | 534 | return r; |
cc377381 LP |
535 | |
536 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
537 | if (r < 0) | |
ebcf1f97 | 538 | return r; |
cc377381 LP |
539 | |
540 | HASHMAP_FOREACH(seat, m->seats, i) { | |
541 | _cleanup_free_ char *p = NULL; | |
542 | ||
543 | p = seat_bus_path(seat); | |
544 | if (!p) | |
ebcf1f97 | 545 | return -ENOMEM; |
cc377381 | 546 | |
b8358bce | 547 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 548 | if (r < 0) |
ebcf1f97 | 549 | return r; |
cc377381 LP |
550 | } |
551 | ||
552 | r = sd_bus_message_close_container(reply); | |
553 | if (r < 0) | |
ebcf1f97 | 554 | return r; |
cc377381 | 555 | |
9030ca46 | 556 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
557 | } |
558 | ||
19070062 | 559 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 560 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
561 | Manager *m = userdata; |
562 | Inhibitor *inhibitor; | |
563 | Iterator i; | |
564 | int r; | |
565 | ||
19070062 LP |
566 | assert(message); |
567 | assert(m); | |
568 | ||
df2d202e | 569 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 570 | if (r < 0) |
ebcf1f97 | 571 | return r; |
cc377381 LP |
572 | |
573 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
574 | if (r < 0) | |
ebcf1f97 | 575 | return r; |
cc377381 LP |
576 | |
577 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
578 | ||
dbfa3fbb | 579 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
580 | strempty(inhibit_what_to_string(inhibitor->what)), |
581 | strempty(inhibitor->who), | |
582 | strempty(inhibitor->why), | |
583 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
584 | (uint32_t) inhibitor->uid, | |
585 | (uint32_t) inhibitor->pid); | |
586 | if (r < 0) | |
ebcf1f97 | 587 | return r; |
cc377381 LP |
588 | } |
589 | ||
590 | r = sd_bus_message_close_container(reply); | |
591 | if (r < 0) | |
ebcf1f97 | 592 | return r; |
cc377381 | 593 | |
9030ca46 | 594 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
595 | } |
596 | ||
19070062 | 597 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 598 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
c7543606 | 599 | _cleanup_free_ char *id = NULL; |
cc377381 | 600 | Session *session = NULL; |
bc2b6332 | 601 | uint32_t audit_id = 0; |
cc377381 LP |
602 | Manager *m = userdata; |
603 | User *user = NULL; | |
604 | Seat *seat = NULL; | |
06820eaf LP |
605 | pid_t leader; |
606 | uid_t uid; | |
cc377381 LP |
607 | int remote; |
608 | uint32_t vtnr = 0; | |
609 | SessionType t; | |
610 | SessionClass c; | |
611 | int r; | |
612 | ||
cc377381 LP |
613 | assert(message); |
614 | assert(m); | |
615 | ||
06820eaf LP |
616 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
617 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
618 | ||
a4cd87e9 | 619 | r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); |
cc377381 | 620 | if (r < 0) |
ebcf1f97 | 621 | return r; |
cc377381 | 622 | |
06820eaf LP |
623 | if (!uid_is_valid(uid)) |
624 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); | |
bc2b6332 | 625 | if (leader < 0 || leader == 1 || leader == getpid_cached()) |
ebcf1f97 | 626 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 627 | |
e2acb67b LP |
628 | if (isempty(type)) |
629 | t = _SESSION_TYPE_INVALID; | |
630 | else { | |
631 | t = session_type_from_string(type); | |
632 | if (t < 0) | |
ebcf1f97 | 633 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 634 | } |
98a28fef | 635 | |
55efac6c | 636 | if (isempty(class)) |
e2acb67b LP |
637 | c = _SESSION_CLASS_INVALID; |
638 | else { | |
55efac6c | 639 | c = session_class_from_string(class); |
e2acb67b | 640 | if (c < 0) |
ebcf1f97 | 641 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 642 | } |
55efac6c | 643 | |
a4cd87e9 LP |
644 | if (isempty(desktop)) |
645 | desktop = NULL; | |
646 | else { | |
647 | if (!string_is_safe(desktop)) | |
648 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); | |
649 | } | |
650 | ||
954449b8 LP |
651 | if (isempty(cseat)) |
652 | seat = NULL; | |
98a28fef | 653 | else { |
954449b8 LP |
654 | seat = hashmap_get(m->seats, cseat); |
655 | if (!seat) | |
d14ab08b | 656 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); |
98a28fef LP |
657 | } |
658 | ||
98a28fef | 659 | if (tty_is_vc(tty)) { |
4d6d6518 | 660 | int v; |
98a28fef | 661 | |
954449b8 | 662 | if (!seat) |
92432fcc DH |
663 | seat = m->seat0; |
664 | else if (seat != m->seat0) | |
d14ab08b | 665 | 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 | 666 | |
4d6d6518 | 667 | v = vtnr_from_tty(tty); |
4d6d6518 | 668 | if (v <= 0) |
ebcf1f97 | 669 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef | 670 | |
bc2b6332 | 671 | if (vtnr == 0) |
4d6d6518 LP |
672 | vtnr = (uint32_t) v; |
673 | else if (vtnr != (uint32_t) v) | |
ebcf1f97 | 674 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
cc377381 | 675 | |
d1122ad5 LP |
676 | } else if (tty_is_console(tty)) { |
677 | ||
954449b8 | 678 | if (!seat) |
92432fcc DH |
679 | seat = m->seat0; |
680 | else if (seat != m->seat0) | |
ebcf1f97 | 681 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
682 | |
683 | if (vtnr != 0) | |
ebcf1f97 | 684 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 685 | } |
98a28fef | 686 | |
954449b8 | 687 | if (seat) { |
bf7825ae | 688 | if (seat_has_vts(seat)) { |
bc2b6332 | 689 | if (vtnr <= 0 || vtnr > 63) |
ebcf1f97 | 690 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 691 | } else { |
d1122ad5 | 692 | if (vtnr != 0) |
ebcf1f97 | 693 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
694 | } |
695 | } | |
696 | ||
e2acb67b LP |
697 | if (t == _SESSION_TYPE_INVALID) { |
698 | if (!isempty(display)) | |
699 | t = SESSION_X11; | |
700 | else if (!isempty(tty)) | |
701 | t = SESSION_TTY; | |
702 | else | |
703 | t = SESSION_UNSPECIFIED; | |
704 | } | |
705 | ||
706 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 707 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 708 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
709 | else |
710 | c = SESSION_USER; | |
e2acb67b LP |
711 | } |
712 | ||
06820eaf | 713 | if (leader == 0) { |
4afd3348 | 714 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
715 | |
716 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
717 | if (r < 0) | |
718 | return r; | |
719 | ||
5b12334d | 720 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 721 | if (r < 0) |
ebcf1f97 | 722 | return r; |
9444b1f2 LP |
723 | } |
724 | ||
bc2b6332 LP |
725 | /* Check if we are already in a logind session. Or if we are in user@.service which is a special PAM session |
726 | * that avoids creating a logind session. */ | |
727 | r = manager_get_user_by_pid(m, leader, NULL); | |
e8a3144e AJ |
728 | if (r < 0) |
729 | return r; | |
bc2b6332 LP |
730 | if (r > 0) |
731 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session or user slice"); | |
b80120c4 DH |
732 | |
733 | /* | |
734 | * Old gdm and lightdm start the user-session on the same VT as | |
735 | * the greeter session. But they destroy the greeter session | |
736 | * after the user-session and want the user-session to take | |
737 | * over the VT. We need to support this for | |
738 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
739 | * on a VT that a greeter is running on. Furthermore, to allow |
740 | * re-logins, we have to allow a greeter to take over a used VT for | |
741 | * the exact same reasons. | |
b80120c4 | 742 | */ |
cc85d562 DH |
743 | if (c != SESSION_GREETER && |
744 | vtnr > 0 && | |
b80120c4 DH |
745 | vtnr < m->seat0->position_count && |
746 | m->seat0->positions[vtnr] && | |
747 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
748 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); | |
21c390cc | 749 | |
183e0738 LP |
750 | if (hashmap_size(m->sessions) >= m->sessions_max) |
751 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); | |
752 | ||
3a87a86e LP |
753 | (void) audit_session_from_pid(leader, &audit_id); |
754 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 755 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 756 | |
de0671ee | 757 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 758 | return -ENOMEM; |
21c390cc | 759 | |
954449b8 LP |
760 | /* Wut? There's already a session by this name and we |
761 | * didn't find it above? Weird, then let's not trust | |
762 | * the audit data and let's better register a new | |
763 | * ID */ | |
764 | if (hashmap_get(m->sessions, id)) { | |
bc2b6332 | 765 | log_warning("Existing logind session ID %s used by new audit session, ignoring.", id); |
3a87a86e | 766 | audit_id = AUDIT_SESSION_INVALID; |
97b11eed | 767 | id = mfree(id); |
07714753 | 768 | } |
954449b8 | 769 | } |
07714753 | 770 | |
954449b8 | 771 | if (!id) { |
07714753 | 772 | do { |
97b11eed | 773 | id = mfree(id); |
07714753 | 774 | |
cc377381 | 775 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 776 | return -ENOMEM; |
07714753 LP |
777 | |
778 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
779 | } |
780 | ||
3d0ef5c7 LP |
781 | /* If we are not watching utmp aleady, try again */ |
782 | manager_reconnect_utmp(m); | |
783 | ||
954449b8 | 784 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 785 | if (r < 0) |
954449b8 LP |
786 | goto fail; |
787 | ||
9444b1f2 | 788 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 789 | if (r < 0) |
98a28fef LP |
790 | goto fail; |
791 | ||
9444b1f2 | 792 | session_set_user(session, user); |
238794b1 | 793 | session_set_leader(session, leader); |
9444b1f2 | 794 | |
98a28fef | 795 | session->type = t; |
55efac6c | 796 | session->class = c; |
98a28fef | 797 | session->remote = remote; |
98a28fef LP |
798 | session->vtnr = vtnr; |
799 | ||
98a28fef LP |
800 | if (!isempty(tty)) { |
801 | session->tty = strdup(tty); | |
802 | if (!session->tty) { | |
ebcf1f97 | 803 | r = -ENOMEM; |
98a28fef LP |
804 | goto fail; |
805 | } | |
3d0ef5c7 LP |
806 | |
807 | session->tty_validity = TTY_FROM_PAM; | |
98a28fef LP |
808 | } |
809 | ||
810 | if (!isempty(display)) { | |
811 | session->display = strdup(display); | |
812 | if (!session->display) { | |
ebcf1f97 | 813 | r = -ENOMEM; |
98a28fef LP |
814 | goto fail; |
815 | } | |
816 | } | |
817 | ||
818 | if (!isempty(remote_user)) { | |
819 | session->remote_user = strdup(remote_user); | |
820 | if (!session->remote_user) { | |
ebcf1f97 | 821 | r = -ENOMEM; |
98a28fef LP |
822 | goto fail; |
823 | } | |
824 | } | |
825 | ||
826 | if (!isempty(remote_host)) { | |
827 | session->remote_host = strdup(remote_host); | |
828 | if (!session->remote_host) { | |
ebcf1f97 | 829 | r = -ENOMEM; |
98a28fef LP |
830 | goto fail; |
831 | } | |
832 | } | |
833 | ||
834 | if (!isempty(service)) { | |
835 | session->service = strdup(service); | |
836 | if (!session->service) { | |
ebcf1f97 | 837 | r = -ENOMEM; |
98a28fef LP |
838 | goto fail; |
839 | } | |
840 | } | |
841 | ||
a4cd87e9 LP |
842 | if (!isempty(desktop)) { |
843 | session->desktop = strdup(desktop); | |
844 | if (!session->desktop) { | |
845 | r = -ENOMEM; | |
846 | goto fail; | |
847 | } | |
848 | } | |
849 | ||
954449b8 LP |
850 | if (seat) { |
851 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 852 | if (r < 0) |
98a28fef LP |
853 | goto fail; |
854 | } | |
855 | ||
22f93314 JS |
856 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
857 | if (r < 0) | |
d88ffeee | 858 | goto fail; |
22f93314 | 859 | |
25a1ab4e | 860 | r = session_start(session, message, error); |
22f93314 JS |
861 | if (r < 0) |
862 | goto fail; | |
863 | ||
864 | r = sd_bus_message_exit_container(message); | |
ebcf1f97 | 865 | if (r < 0) |
98a28fef LP |
866 | goto fail; |
867 | ||
cc377381 | 868 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 869 | |
bc2b6332 | 870 | /* Now, let's wait until the slice unit and stuff got created. We send the reply back from |
f7340ab2 | 871 | * session_send_create_reply(). */ |
cba38758 | 872 | |
cc377381 | 873 | return 1; |
98a28fef LP |
874 | |
875 | fail: | |
98a28fef LP |
876 | if (session) |
877 | session_add_to_gc_queue(session); | |
878 | ||
879 | if (user) | |
880 | user_add_to_gc_queue(user); | |
881 | ||
98a28fef LP |
882 | return r; |
883 | } | |
884 | ||
19070062 | 885 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
886 | Manager *m = userdata; |
887 | Session *session; | |
888 | const char *name; | |
889 | int r; | |
314b4b0a | 890 | |
cc377381 LP |
891 | assert(message); |
892 | assert(m); | |
893 | ||
894 | r = sd_bus_message_read(message, "s", &name); | |
895 | if (r < 0) | |
ebcf1f97 | 896 | return r; |
cc377381 | 897 | |
309a29df LP |
898 | r = manager_get_session_from_creds(m, message, name, error, &session); |
899 | if (r < 0) | |
900 | return r; | |
cc377381 | 901 | |
ad8780c9 ZJS |
902 | r = session_release(session); |
903 | if (r < 0) | |
904 | return r; | |
cc377381 | 905 | |
df2d202e | 906 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
907 | } |
908 | ||
19070062 | 909 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
910 | Manager *m = userdata; |
911 | Session *session; | |
912 | const char *name; | |
913 | int r; | |
f8e2fb7b | 914 | |
cc377381 | 915 | assert(message); |
f8e2fb7b | 916 | assert(m); |
cc377381 LP |
917 | |
918 | r = sd_bus_message_read(message, "s", &name); | |
919 | if (r < 0) | |
ebcf1f97 | 920 | return r; |
cc377381 | 921 | |
309a29df LP |
922 | r = manager_get_session_from_creds(m, message, name, error, &session); |
923 | if (r < 0) | |
924 | return r; | |
cc377381 | 925 | |
19070062 | 926 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
927 | } |
928 | ||
19070062 | 929 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
930 | const char *session_name, *seat_name; |
931 | Manager *m = userdata; | |
932 | Session *session; | |
933 | Seat *seat; | |
934 | int r; | |
935 | ||
f8e2fb7b | 936 | assert(message); |
cc377381 | 937 | assert(m); |
f8e2fb7b | 938 | |
cc377381 LP |
939 | /* Same as ActivateSession() but refuses to work if |
940 | * the seat doesn't match */ | |
f8e2fb7b | 941 | |
cc377381 LP |
942 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
943 | if (r < 0) | |
ebcf1f97 | 944 | return r; |
eecd1362 | 945 | |
309a29df LP |
946 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
947 | if (r < 0) | |
948 | return r; | |
beaafb2e | 949 | |
309a29df LP |
950 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
951 | if (r < 0) | |
952 | return r; | |
314b4b0a | 953 | |
cc377381 | 954 | if (session->seat != seat) |
ebcf1f97 | 955 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); |
cc377381 LP |
956 | |
957 | r = session_activate(session); | |
f8e2fb7b | 958 | if (r < 0) |
ebcf1f97 | 959 | return r; |
f8e2fb7b | 960 | |
df2d202e | 961 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 962 | } |
f8e2fb7b | 963 | |
19070062 | 964 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
965 | Manager *m = userdata; |
966 | Session *session; | |
967 | const char *name; | |
968 | int r; | |
f8e2fb7b | 969 | |
cc377381 LP |
970 | assert(message); |
971 | assert(m); | |
f8e2fb7b | 972 | |
cc377381 LP |
973 | r = sd_bus_message_read(message, "s", &name); |
974 | if (r < 0) | |
ebcf1f97 | 975 | return r; |
f8e2fb7b | 976 | |
309a29df LP |
977 | r = manager_get_session_from_creds(m, message, name, error, &session); |
978 | if (r < 0) | |
979 | return r; | |
f8e2fb7b | 980 | |
19070062 | 981 | return bus_session_method_lock(message, session, error); |
cc377381 | 982 | } |
f8e2fb7b | 983 | |
19070062 | 984 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
985 | Manager *m = userdata; |
986 | int r; | |
f8e2fb7b | 987 | |
cc377381 LP |
988 | assert(message); |
989 | assert(m); | |
f8e2fb7b | 990 | |
c529695e LP |
991 | r = bus_verify_polkit_async( |
992 | message, | |
993 | CAP_SYS_ADMIN, | |
994 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 995 | NULL, |
c529695e LP |
996 | false, |
997 | UID_INVALID, | |
998 | &m->polkit_registry, | |
999 | error); | |
1000 | if (r < 0) | |
1001 | return r; | |
1002 | if (r == 0) | |
1003 | return 1; /* Will call us back */ | |
1004 | ||
cc377381 LP |
1005 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1006 | if (r < 0) | |
ebcf1f97 | 1007 | return r; |
f8e2fb7b | 1008 | |
df2d202e | 1009 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1010 | } |
1011 | ||
19070062 | 1012 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1013 | const char *name; |
cc377381 LP |
1014 | Manager *m = userdata; |
1015 | Session *session; | |
cc377381 LP |
1016 | int r; |
1017 | ||
cc377381 LP |
1018 | assert(message); |
1019 | assert(m); | |
1020 | ||
c529695e | 1021 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1022 | if (r < 0) |
ebcf1f97 | 1023 | return r; |
cc377381 | 1024 | |
309a29df LP |
1025 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1026 | if (r < 0) | |
1027 | return r; | |
f8e2fb7b | 1028 | |
19070062 | 1029 | return bus_session_method_kill(message, session, error); |
cc377381 | 1030 | } |
f8e2fb7b | 1031 | |
19070062 | 1032 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1033 | Manager *m = userdata; |
1034 | uint32_t uid; | |
cc377381 LP |
1035 | User *user; |
1036 | int r; | |
f8e2fb7b | 1037 | |
cc377381 LP |
1038 | assert(message); |
1039 | assert(m); | |
1040 | ||
c529695e | 1041 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1042 | if (r < 0) |
ebcf1f97 | 1043 | return r; |
cc377381 | 1044 | |
309a29df LP |
1045 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1046 | if (r < 0) | |
1047 | return r; | |
cc377381 | 1048 | |
19070062 | 1049 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1050 | } |
1051 | ||
19070062 | 1052 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1053 | Manager *m = userdata; |
1054 | const char *name; | |
1055 | Session *session; | |
1056 | int r; | |
1057 | ||
cc377381 LP |
1058 | assert(message); |
1059 | assert(m); | |
1060 | ||
1061 | r = sd_bus_message_read(message, "s", &name); | |
1062 | if (r < 0) | |
ebcf1f97 | 1063 | return r; |
cc377381 | 1064 | |
309a29df LP |
1065 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1066 | if (r < 0) | |
1067 | return r; | |
cc377381 | 1068 | |
19070062 | 1069 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1070 | } |
1071 | ||
19070062 | 1072 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1073 | Manager *m = userdata; |
1074 | uint32_t uid; | |
1075 | User *user; | |
1076 | int r; | |
1077 | ||
cc377381 LP |
1078 | assert(message); |
1079 | assert(m); | |
1080 | ||
1081 | r = sd_bus_message_read(message, "u", &uid); | |
1082 | if (r < 0) | |
ebcf1f97 | 1083 | return r; |
cc377381 | 1084 | |
309a29df LP |
1085 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1086 | if (r < 0) | |
1087 | return r; | |
cc377381 | 1088 | |
19070062 | 1089 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1090 | } |
1091 | ||
19070062 | 1092 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1093 | Manager *m = userdata; |
1094 | const char *name; | |
1095 | Seat *seat; | |
1096 | int r; | |
1097 | ||
cc377381 LP |
1098 | assert(message); |
1099 | assert(m); | |
1100 | ||
1101 | r = sd_bus_message_read(message, "s", &name); | |
1102 | if (r < 0) | |
ebcf1f97 | 1103 | return r; |
cc377381 | 1104 | |
309a29df LP |
1105 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1106 | if (r < 0) | |
1107 | return r; | |
cc377381 | 1108 | |
19070062 | 1109 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1110 | } |
1111 | ||
19070062 | 1112 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
34160d91 | 1113 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
1114 | _cleanup_free_ char *cc = NULL; |
1115 | Manager *m = userdata; | |
152199f2 | 1116 | int r, b, interactive; |
cc377381 LP |
1117 | struct passwd *pw; |
1118 | const char *path; | |
34160d91 | 1119 | uint32_t uid, auth_uid; |
cc377381 | 1120 | |
cc377381 LP |
1121 | assert(message); |
1122 | assert(m); | |
1123 | ||
1124 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1125 | if (r < 0) | |
ebcf1f97 | 1126 | return r; |
cc377381 | 1127 | |
34160d91 AJ |
1128 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1129 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1130 | if (r < 0) | |
1131 | return r; | |
309a29df | 1132 | |
34160d91 AJ |
1133 | if (!uid_is_valid(uid)) { |
1134 | /* Note that we get the owner UID of the session or user unit, | |
1135 | * not the actual client UID here! */ | |
309a29df LP |
1136 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1137 | if (r < 0) | |
1138 | return r; | |
34160d91 | 1139 | } |
06820eaf | 1140 | |
34160d91 AJ |
1141 | /* owner_uid is racy, so for authorization we must use euid */ |
1142 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1143 | if (r < 0) | |
1144 | return r; | |
309a29df | 1145 | |
cc377381 LP |
1146 | errno = 0; |
1147 | pw = getpwuid(uid); | |
1148 | if (!pw) | |
f5e5c28f | 1149 | return errno > 0 ? -errno : -ENOENT; |
cc377381 | 1150 | |
f3885791 LP |
1151 | r = bus_verify_polkit_async( |
1152 | message, | |
1153 | CAP_SYS_ADMIN, | |
34160d91 AJ |
1154 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1155 | "org.freedesktop.login1.set-user-linger", | |
403ed0e5 | 1156 | NULL, |
f3885791 | 1157 | interactive, |
c529695e | 1158 | UID_INVALID, |
f3885791 LP |
1159 | &m->polkit_registry, |
1160 | error); | |
cc377381 | 1161 | if (r < 0) |
ebcf1f97 | 1162 | return r; |
cc377381 LP |
1163 | if (r == 0) |
1164 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1165 | ||
1166 | mkdir_p_label("/var/lib/systemd", 0755); | |
1167 | ||
37c1d5e9 | 1168 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE); |
cc377381 | 1169 | if (r < 0) |
ebcf1f97 | 1170 | return r; |
cc377381 LP |
1171 | |
1172 | cc = cescape(pw->pw_name); | |
1173 | if (!cc) | |
ebcf1f97 | 1174 | return -ENOMEM; |
cc377381 | 1175 | |
63c372cb | 1176 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1177 | if (b) { |
1178 | User *u; | |
1179 | ||
1180 | r = touch(path); | |
1181 | if (r < 0) | |
ebcf1f97 | 1182 | return r; |
cc377381 LP |
1183 | |
1184 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1185 | user_start(u); | |
1186 | ||
1187 | } else { | |
1188 | User *u; | |
1189 | ||
1190 | r = unlink(path); | |
1191 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1192 | return -errno; |
cc377381 | 1193 | |
8cb4ab00 | 1194 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1195 | if (u) |
1196 | user_add_to_gc_queue(u); | |
1197 | } | |
1198 | ||
df2d202e | 1199 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1200 | } |
1201 | ||
4f209af7 YW |
1202 | static int trigger_device(Manager *m, sd_device *d) { |
1203 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
b668e064 LP |
1204 | int r; |
1205 | ||
1206 | assert(m); | |
1207 | ||
4f209af7 YW |
1208 | r = sd_device_enumerator_new(&e); |
1209 | if (r < 0) | |
1210 | return r; | |
1211 | ||
1212 | r = sd_device_enumerator_allow_uninitialized(e); | |
1213 | if (r < 0) | |
1214 | return r; | |
b668e064 | 1215 | |
2eb916cd | 1216 | if (d) { |
4f209af7 | 1217 | r = sd_device_enumerator_add_match_parent(e, d); |
06acf2d4 LP |
1218 | if (r < 0) |
1219 | return r; | |
2eb916cd LP |
1220 | } |
1221 | ||
8437c059 | 1222 | FOREACH_DEVICE(e, d) { |
cc377381 | 1223 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1224 | const char *p; |
1225 | ||
4f209af7 YW |
1226 | r = sd_device_get_syspath(d, &p); |
1227 | if (r < 0) | |
1228 | return r; | |
b668e064 | 1229 | |
b668e064 | 1230 | t = strappend(p, "/uevent"); |
06acf2d4 LP |
1231 | if (!t) |
1232 | return -ENOMEM; | |
b668e064 | 1233 | |
57512c89 | 1234 | (void) write_string_file(t, "change", WRITE_STRING_FILE_DISABLE_BUFFER); |
b668e064 LP |
1235 | } |
1236 | ||
06acf2d4 | 1237 | return 0; |
b668e064 LP |
1238 | } |
1239 | ||
47a26690 | 1240 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
4f209af7 | 1241 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
7fd1b19b | 1242 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1243 | const char *id_for_seat; |
47a26690 LP |
1244 | int r; |
1245 | ||
1246 | assert(m); | |
1247 | assert(seat); | |
1248 | assert(sysfs); | |
1249 | ||
4f209af7 YW |
1250 | r = sd_device_new_from_syspath(&d, sysfs); |
1251 | if (r < 0) | |
1252 | return r; | |
47a26690 | 1253 | |
4f209af7 | 1254 | if (sd_device_has_tag(d, "seat") <= 0) |
06acf2d4 | 1255 | return -ENODEV; |
47a26690 | 1256 | |
4f209af7 | 1257 | if (sd_device_get_property_value(d, "ID_FOR_SEAT", &id_for_seat) < 0) |
06acf2d4 | 1258 | return -ENODEV; |
47a26690 | 1259 | |
06acf2d4 LP |
1260 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1261 | return -ENOMEM; | |
47a26690 | 1262 | |
06acf2d4 LP |
1263 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1264 | return -ENOMEM; | |
47a26690 | 1265 | |
4f209af7 | 1266 | (void) mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1267 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1268 | if (r < 0) |
06acf2d4 | 1269 | return r; |
47a26690 | 1270 | |
06acf2d4 | 1271 | return trigger_device(m, d); |
47a26690 LP |
1272 | } |
1273 | ||
b668e064 | 1274 | static int flush_devices(Manager *m) { |
7fd1b19b | 1275 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1276 | |
1277 | assert(m); | |
1278 | ||
1279 | d = opendir("/etc/udev/rules.d"); | |
1280 | if (!d) { | |
1281 | if (errno != ENOENT) | |
56f64d95 | 1282 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
b668e064 LP |
1283 | } else { |
1284 | struct dirent *de; | |
1285 | ||
8fb3f009 | 1286 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1287 | if (!dirent_is_file(de)) |
1288 | continue; | |
1289 | ||
1290 | if (!startswith(de->d_name, "72-seat-")) | |
1291 | continue; | |
1292 | ||
1293 | if (!endswith(de->d_name, ".rules")) | |
1294 | continue; | |
1295 | ||
1296 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1297 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1298 | } |
b668e064 LP |
1299 | } |
1300 | ||
1301 | return trigger_device(m, NULL); | |
1302 | } | |
1303 | ||
19070062 | 1304 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1305 | const char *sysfs, *seat; |
1306 | Manager *m = userdata; | |
1307 | int interactive, r; | |
1308 | ||
cc377381 LP |
1309 | assert(message); |
1310 | assert(m); | |
1311 | ||
1312 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1313 | if (r < 0) | |
ebcf1f97 | 1314 | return r; |
cc377381 LP |
1315 | |
1316 | if (!path_startswith(sysfs, "/sys")) | |
ebcf1f97 | 1317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 LP |
1318 | |
1319 | if (!seat_name_is_valid(seat)) | |
ebcf1f97 | 1320 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); |
cc377381 | 1321 | |
f3885791 LP |
1322 | r = bus_verify_polkit_async( |
1323 | message, | |
1324 | CAP_SYS_ADMIN, | |
1325 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1326 | NULL, |
f3885791 | 1327 | interactive, |
c529695e | 1328 | UID_INVALID, |
f3885791 LP |
1329 | &m->polkit_registry, |
1330 | error); | |
cc377381 | 1331 | if (r < 0) |
ebcf1f97 | 1332 | return r; |
cc377381 LP |
1333 | if (r == 0) |
1334 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1335 | ||
1336 | r = attach_device(m, seat, sysfs); | |
1337 | if (r < 0) | |
ebcf1f97 | 1338 | return r; |
cc377381 | 1339 | |
df2d202e | 1340 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1341 | } |
1342 | ||
19070062 | 1343 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1344 | Manager *m = userdata; |
1345 | int interactive, r; | |
1346 | ||
cc377381 LP |
1347 | assert(message); |
1348 | assert(m); | |
1349 | ||
1350 | r = sd_bus_message_read(message, "b", &interactive); | |
1351 | if (r < 0) | |
ebcf1f97 | 1352 | return r; |
cc377381 | 1353 | |
f3885791 LP |
1354 | r = bus_verify_polkit_async( |
1355 | message, | |
1356 | CAP_SYS_ADMIN, | |
1357 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1358 | NULL, |
f3885791 | 1359 | interactive, |
c529695e | 1360 | UID_INVALID, |
f3885791 LP |
1361 | &m->polkit_registry, |
1362 | error); | |
cc377381 | 1363 | if (r < 0) |
ebcf1f97 | 1364 | return r; |
cc377381 LP |
1365 | if (r == 0) |
1366 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1367 | ||
1368 | r = flush_devices(m); | |
1369 | if (r < 0) | |
ebcf1f97 | 1370 | return r; |
cc377381 | 1371 | |
df2d202e | 1372 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1373 | } |
1374 | ||
89f13440 | 1375 | static int have_multiple_sessions( |
89f13440 | 1376 | Manager *m, |
409133be | 1377 | uid_t uid) { |
89f13440 | 1378 | |
2154761f MS |
1379 | Session *session; |
1380 | Iterator i; | |
89f13440 LP |
1381 | |
1382 | assert(m); | |
1383 | ||
1ca04b87 LP |
1384 | /* Check for other users' sessions. Greeter sessions do not |
1385 | * count, and non-login sessions do not count either. */ | |
2154761f | 1386 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1387 | if (session->class == SESSION_USER && |
1ca04b87 | 1388 | session->user->uid != uid) |
2154761f | 1389 | return true; |
89f13440 LP |
1390 | |
1391 | return false; | |
1392 | } | |
1393 | ||
314b4b0a LP |
1394 | static int bus_manager_log_shutdown( |
1395 | Manager *m, | |
314b4b0a LP |
1396 | const char *unit_name) { |
1397 | ||
5744f59a | 1398 | const char *p, *q; |
314b4b0a LP |
1399 | |
1400 | assert(m); | |
1401 | assert(unit_name); | |
1402 | ||
314b4b0a | 1403 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { |
f868cb58 | 1404 | p = "MESSAGE=System is powering down"; |
314b4b0a | 1405 | q = "SHUTDOWN=power-off"; |
314b4b0a | 1406 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { |
f868cb58 | 1407 | p = "MESSAGE=System is rebooting"; |
314b4b0a | 1408 | q = "SHUTDOWN=reboot"; |
36b69c31 LP |
1409 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { |
1410 | p = "MESSAGE=System is halting"; | |
1411 | q = "SHUTDOWN=halt"; | |
314b4b0a | 1412 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { |
f868cb58 | 1413 | p = "MESSAGE=System is rebooting with kexec"; |
314b4b0a LP |
1414 | q = "SHUTDOWN=kexec"; |
1415 | } else { | |
f868cb58 | 1416 | p = "MESSAGE=System is shutting down"; |
314b4b0a LP |
1417 | q = NULL; |
1418 | } | |
1419 | ||
f868cb58 ZJS |
1420 | if (isempty(m->wall_message)) |
1421 | p = strjoina(p, "."); | |
1422 | else | |
1423 | p = strjoina(p, " (", m->wall_message, ")."); | |
9ef15026 | 1424 | |
e2cc6eca | 1425 | return log_struct(LOG_NOTICE, |
2b044526 | 1426 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, |
314b4b0a | 1427 | p, |
a1230ff9 | 1428 | q); |
314b4b0a LP |
1429 | } |
1430 | ||
b5d3e168 KS |
1431 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1432 | Manager *m = userdata; | |
1433 | ||
1434 | assert(e); | |
1435 | assert(m); | |
1436 | ||
1437 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1442 | int r; | |
1443 | ||
1444 | assert(m); | |
1445 | ||
1446 | if (until <= now(CLOCK_MONOTONIC)) | |
1447 | return 0; | |
1448 | ||
1449 | /* We want to ignore the lid switch for a while after each | |
1450 | * suspend, and after boot-up. Hence let's install a timer for | |
1451 | * this. As long as the event source exists we ignore the lid | |
1452 | * switch. */ | |
1453 | ||
1454 | if (m->lid_switch_ignore_event_source) { | |
1455 | usec_t u; | |
1456 | ||
1457 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1458 | if (r < 0) | |
1459 | return r; | |
1460 | ||
1461 | if (until <= u) | |
1462 | return 0; | |
1463 | ||
1464 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1465 | } else | |
6a0f1f6d LP |
1466 | r = sd_event_add_time( |
1467 | m->event, | |
1468 | &m->lid_switch_ignore_event_source, | |
1469 | CLOCK_MONOTONIC, | |
1470 | until, 0, | |
1471 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1472 | |
1473 | return r; | |
1474 | } | |
1475 | ||
6d7f7fd4 | 1476 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
6d7f7fd4 AJ |
1477 | int active = _active; |
1478 | ||
1479 | assert(m); | |
06c2f0a8 | 1480 | assert(IN_SET(w, INHIBIT_SHUTDOWN, INHIBIT_SLEEP)); |
6d7f7fd4 AJ |
1481 | |
1482 | return sd_bus_emit_signal(m->bus, | |
1483 | "/org/freedesktop/login1", | |
1484 | "org.freedesktop.login1.Manager", | |
06c2f0a8 | 1485 | w == INHIBIT_SHUTDOWN ? "PrepareForShutdown" : "PrepareForSleep", |
6d7f7fd4 AJ |
1486 | "b", |
1487 | active); | |
1488 | } | |
1489 | ||
314b4b0a LP |
1490 | static int execute_shutdown_or_sleep( |
1491 | Manager *m, | |
1492 | InhibitWhat w, | |
1493 | const char *unit_name, | |
cc377381 | 1494 | sd_bus_error *error) { |
314b4b0a | 1495 | |
4afd3348 | 1496 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 | 1497 | const char *p; |
cc377381 | 1498 | int r; |
eecd1362 | 1499 | |
af9792ac | 1500 | assert(m); |
b61fa4e0 | 1501 | assert(w > 0); |
314b4b0a | 1502 | assert(w < _INHIBIT_WHAT_MAX); |
d889a206 | 1503 | assert(unit_name); |
eecd1362 | 1504 | |
df75a1a8 AJ |
1505 | if (w == INHIBIT_SHUTDOWN) |
1506 | bus_manager_log_shutdown(m, unit_name); | |
314b4b0a | 1507 | |
df75a1a8 AJ |
1508 | r = sd_bus_call_method( |
1509 | m->bus, | |
1510 | "org.freedesktop.systemd1", | |
1511 | "/org/freedesktop/systemd1", | |
1512 | "org.freedesktop.systemd1.Manager", | |
1513 | "StartUnit", | |
1514 | error, | |
1515 | &reply, | |
1516 | "ss", unit_name, "replace-irreversibly"); | |
1517 | if (r < 0) | |
6d7f7fd4 | 1518 | goto error; |
af9792ac | 1519 | |
df75a1a8 AJ |
1520 | r = sd_bus_message_read(reply, "o", &p); |
1521 | if (r < 0) | |
6d7f7fd4 | 1522 | goto error; |
af9792ac | 1523 | |
6b9f8b71 YW |
1524 | r = free_and_strdup(&m->action_job, p); |
1525 | if (r < 0) | |
6d7f7fd4 | 1526 | goto error; |
af9792ac | 1527 | |
314b4b0a | 1528 | m->action_unit = unit_name; |
314b4b0a | 1529 | m->action_what = w; |
af9792ac | 1530 | |
f9cd6be1 | 1531 | /* Make sure the lid switch is ignored for a while */ |
9d10cbee | 1532 | manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); |
f9cd6be1 | 1533 | |
af9792ac | 1534 | return 0; |
6d7f7fd4 AJ |
1535 | |
1536 | error: | |
1537 | /* Tell people that they now may take a lock again */ | |
401e33ed | 1538 | (void) send_prepare_for(m, w, false); |
6d7f7fd4 AJ |
1539 | |
1540 | return r; | |
eecd1362 LP |
1541 | } |
1542 | ||
418b22b8 | 1543 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
c0f32805 | 1544 | |
4afd3348 | 1545 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1546 | Inhibitor *offending = NULL; |
c0f32805 DM |
1547 | int r; |
1548 | ||
1549 | assert(manager); | |
c0f32805 DM |
1550 | |
1551 | if (manager->action_what == 0 || manager->action_job) | |
1552 | return 0; | |
1553 | ||
1554 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { | |
1555 | _cleanup_free_ char *comm = NULL, *u = NULL; | |
1556 | ||
418b22b8 DM |
1557 | if (!timeout) |
1558 | return 0; | |
1559 | ||
c0f32805 DM |
1560 | (void) get_process_comm(offending->pid, &comm); |
1561 | u = uid_to_name(offending->uid); | |
1562 | ||
1563 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1564 | offending->uid, strna(u), | |
1565 | offending->pid, strna(comm)); | |
1566 | } | |
1567 | ||
1568 | /* Actually do the operation */ | |
1569 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); | |
1570 | if (r < 0) { | |
6d7f7fd4 AJ |
1571 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1572 | bus_error_message(&error, r)); | |
c0f32805 DM |
1573 | |
1574 | manager->action_unit = NULL; | |
1575 | manager->action_what = 0; | |
418b22b8 | 1576 | return r; |
c0f32805 DM |
1577 | } |
1578 | ||
418b22b8 DM |
1579 | return 1; |
1580 | } | |
1581 | ||
1582 | static int manager_inhibit_timeout_handler( | |
1583 | sd_event_source *s, | |
1584 | uint64_t usec, | |
1585 | void *userdata) { | |
1586 | ||
1587 | Manager *manager = userdata; | |
1588 | int r; | |
1589 | ||
1590 | assert(manager); | |
1591 | assert(manager->inhibit_timeout_source == s); | |
1592 | ||
1593 | r = manager_dispatch_delayed(manager, true); | |
1594 | return (r < 0) ? r : 0; | |
c0f32805 DM |
1595 | } |
1596 | ||
314b4b0a LP |
1597 | static int delay_shutdown_or_sleep( |
1598 | Manager *m, | |
1599 | InhibitWhat w, | |
1600 | const char *unit_name) { | |
eecd1362 | 1601 | |
c0f32805 DM |
1602 | int r; |
1603 | usec_t timeout_val; | |
1604 | ||
eecd1362 | 1605 | assert(m); |
d889a206 LP |
1606 | assert(w >= 0); |
1607 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1608 | assert(unit_name); |
eecd1362 | 1609 | |
c0f32805 DM |
1610 | timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; |
1611 | ||
1612 | if (m->inhibit_timeout_source) { | |
1613 | r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); | |
1614 | if (r < 0) | |
c2a23db0 | 1615 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
c0f32805 DM |
1616 | |
1617 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1618 | if (r < 0) | |
c2a23db0 | 1619 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 DM |
1620 | } else { |
1621 | r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, | |
1622 | timeout_val, 0, manager_inhibit_timeout_handler, m); | |
1623 | if (r < 0) | |
1624 | return r; | |
1625 | } | |
1626 | ||
314b4b0a LP |
1627 | m->action_unit = unit_name; |
1628 | m->action_what = w; | |
d889a206 LP |
1629 | |
1630 | return 0; | |
1631 | } | |
1632 | ||
069cfc85 LP |
1633 | int bus_manager_shutdown_or_sleep_now_or_later( |
1634 | Manager *m, | |
1635 | const char *unit_name, | |
1636 | InhibitWhat w, | |
cc377381 | 1637 | sd_bus_error *error) { |
069cfc85 | 1638 | |
c8c8ee85 | 1639 | _cleanup_free_ char *load_state = NULL; |
069cfc85 LP |
1640 | bool delayed; |
1641 | int r; | |
1642 | ||
1643 | assert(m); | |
1644 | assert(unit_name); | |
b61fa4e0 | 1645 | assert(w > 0); |
543680f4 | 1646 | assert(w < _INHIBIT_WHAT_MAX); |
af9792ac | 1647 | assert(!m->action_job); |
069cfc85 | 1648 | |
c8c8ee85 ZJS |
1649 | r = unit_load_state(m->bus, unit_name, &load_state); |
1650 | if (r < 0) | |
1651 | return r; | |
1652 | ||
baaa35ad ZJS |
1653 | if (!streq(load_state, "loaded")) |
1654 | return log_notice_errno(SYNTHETIC_ERRNO(EACCES), | |
1655 | "Unit %s is %s, refusing operation.", | |
1656 | unit_name, load_state); | |
c8c8ee85 | 1657 | |
314b4b0a | 1658 | /* Tell everybody to prepare for shutdown/sleep */ |
401e33ed | 1659 | (void) send_prepare_for(m, w, true); |
314b4b0a | 1660 | |
069cfc85 LP |
1661 | delayed = |
1662 | m->inhibit_delay_max > 0 && | |
85a428c6 | 1663 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1664 | |
1665 | if (delayed) | |
1666 | /* Shutdown is delayed, keep in mind what we | |
1667 | * want to do, and start a timeout */ | |
1668 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1669 | else |
069cfc85 LP |
1670 | /* Shutdown is not delayed, execute it |
1671 | * immediately */ | |
314b4b0a | 1672 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1673 | |
1674 | return r; | |
1675 | } | |
1676 | ||
b7aa9589 | 1677 | static int verify_shutdown_creds( |
d889a206 | 1678 | Manager *m, |
cc377381 | 1679 | sd_bus_message *message, |
d889a206 | 1680 | InhibitWhat w, |
b7aa9589 | 1681 | bool interactive, |
d889a206 LP |
1682 | const char *action, |
1683 | const char *action_multiple_sessions, | |
1684 | const char *action_ignore_inhibit, | |
ebcf1f97 | 1685 | sd_bus_error *error) { |
d889a206 | 1686 | |
4afd3348 | 1687 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
069cfc85 | 1688 | bool multiple_sessions, blocked; |
cc377381 | 1689 | uid_t uid; |
b7aa9589 | 1690 | int r; |
d889a206 LP |
1691 | |
1692 | assert(m); | |
d889a206 | 1693 | assert(message); |
d889a206 LP |
1694 | assert(w >= 0); |
1695 | assert(w <= _INHIBIT_WHAT_MAX); | |
6524990f | 1696 | |
05bae4a6 | 1697 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1698 | if (r < 0) |
1699 | return r; | |
1700 | ||
05bae4a6 | 1701 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1702 | if (r < 0) |
ebcf1f97 | 1703 | return r; |
409133be | 1704 | |
cc377381 | 1705 | r = have_multiple_sessions(m, uid); |
d889a206 | 1706 | if (r < 0) |
ebcf1f97 | 1707 | return r; |
d889a206 LP |
1708 | |
1709 | multiple_sessions = r > 0; | |
85a428c6 | 1710 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
d889a206 | 1711 | |
b7aa9589 | 1712 | if (multiple_sessions && action_multiple_sessions) { |
403ed0e5 | 1713 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1714 | if (r < 0) |
ebcf1f97 | 1715 | return r; |
055d4066 ZJS |
1716 | if (r == 0) |
1717 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1718 | } |
1719 | ||
b7aa9589 | 1720 | if (blocked && action_ignore_inhibit) { |
403ed0e5 | 1721 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1722 | if (r < 0) |
ebcf1f97 | 1723 | return r; |
055d4066 ZJS |
1724 | if (r == 0) |
1725 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1726 | } |
1727 | ||
b7aa9589 | 1728 | if (!multiple_sessions && !blocked && action) { |
403ed0e5 | 1729 | r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); |
d889a206 | 1730 | if (r < 0) |
ebcf1f97 | 1731 | return r; |
055d4066 ZJS |
1732 | if (r == 0) |
1733 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1734 | } |
1735 | ||
b7aa9589 DM |
1736 | return 0; |
1737 | } | |
1738 | ||
1739 | static int method_do_shutdown_or_sleep( | |
1740 | Manager *m, | |
1741 | sd_bus_message *message, | |
1742 | const char *unit_name, | |
1743 | InhibitWhat w, | |
1744 | const char *action, | |
1745 | const char *action_multiple_sessions, | |
1746 | const char *action_ignore_inhibit, | |
1747 | const char *sleep_verb, | |
1748 | sd_bus_error *error) { | |
1749 | ||
1750 | int interactive, r; | |
1751 | ||
1752 | assert(m); | |
1753 | assert(message); | |
1754 | assert(unit_name); | |
1755 | assert(w >= 0); | |
1756 | assert(w <= _INHIBIT_WHAT_MAX); | |
1757 | ||
1758 | r = sd_bus_message_read(message, "b", &interactive); | |
1759 | if (r < 0) | |
1760 | return r; | |
1761 | ||
1762 | /* Don't allow multiple jobs being executed at the same time */ | |
f8bfa318 | 1763 | if (m->action_what > 0) |
b7aa9589 DM |
1764 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); |
1765 | ||
1766 | if (sleep_verb) { | |
1767 | r = can_sleep(sleep_verb); | |
b71c9758 | 1768 | if (r == -ENOSPC) |
8340b762 ZJS |
1769 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
1770 | "Not enough swap space for hibernation"); | |
b71c9758 | 1771 | if (r == 0) |
8340b762 ZJS |
1772 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
1773 | "Sleep verb \"%s\" not supported", sleep_verb); | |
b7aa9589 DM |
1774 | if (r < 0) |
1775 | return r; | |
b7aa9589 DM |
1776 | } |
1777 | ||
1778 | r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, | |
1779 | action_ignore_inhibit, error); | |
1780 | if (r != 0) | |
1781 | return r; | |
1782 | ||
ebcf1f97 | 1783 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 | 1784 | if (r < 0) |
ebcf1f97 | 1785 | return r; |
d889a206 | 1786 | |
df2d202e | 1787 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1788 | } |
1789 | ||
19070062 | 1790 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1791 | Manager *m = userdata; |
1792 | ||
cc377381 LP |
1793 | return method_do_shutdown_or_sleep( |
1794 | m, message, | |
1795 | SPECIAL_POWEROFF_TARGET, | |
1796 | INHIBIT_SHUTDOWN, | |
1797 | "org.freedesktop.login1.power-off", | |
1798 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1799 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1800 | NULL, | |
ebcf1f97 | 1801 | error); |
cc377381 | 1802 | } |
88e3dc90 | 1803 | |
19070062 | 1804 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1805 | Manager *m = userdata; |
88e3dc90 | 1806 | |
cc377381 LP |
1807 | return method_do_shutdown_or_sleep( |
1808 | m, message, | |
1809 | SPECIAL_REBOOT_TARGET, | |
1810 | INHIBIT_SHUTDOWN, | |
1811 | "org.freedesktop.login1.reboot", | |
1812 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1813 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1814 | NULL, | |
ebcf1f97 | 1815 | error); |
cc377381 | 1816 | } |
88e3dc90 | 1817 | |
36b69c31 LP |
1818 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1819 | Manager *m = userdata; | |
1820 | ||
1821 | return method_do_shutdown_or_sleep( | |
1822 | m, message, | |
1823 | SPECIAL_HALT_TARGET, | |
1824 | INHIBIT_SHUTDOWN, | |
1825 | "org.freedesktop.login1.halt", | |
1826 | "org.freedesktop.login1.halt-multiple-sessions", | |
1827 | "org.freedesktop.login1.halt-ignore-inhibit", | |
1828 | NULL, | |
1829 | error); | |
1830 | } | |
1831 | ||
19070062 | 1832 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1833 | Manager *m = userdata; |
88e3dc90 | 1834 | |
cc377381 LP |
1835 | return method_do_shutdown_or_sleep( |
1836 | m, message, | |
1837 | SPECIAL_SUSPEND_TARGET, | |
1838 | INHIBIT_SLEEP, | |
1839 | "org.freedesktop.login1.suspend", | |
1840 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1841 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1842 | "suspend", | |
ebcf1f97 | 1843 | error); |
cc377381 | 1844 | } |
88e3dc90 | 1845 | |
15e99a43 LP |
1846 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1847 | Manager *m = userdata; | |
1848 | ||
1849 | return method_do_shutdown_or_sleep( | |
1850 | m, message, | |
1851 | SPECIAL_HIBERNATE_TARGET, | |
1852 | INHIBIT_SLEEP, | |
1853 | "org.freedesktop.login1.hibernate", | |
1854 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1855 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1856 | "hibernate", | |
1857 | error); | |
1858 | } | |
1859 | ||
1860 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1861 | Manager *m = userdata; | |
1862 | ||
1863 | return method_do_shutdown_or_sleep( | |
1864 | m, message, | |
1865 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1866 | INHIBIT_SLEEP, | |
1867 | "org.freedesktop.login1.hibernate", | |
1868 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1869 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1870 | "hybrid-sleep", | |
1871 | error); | |
1872 | } | |
1873 | ||
e68c79db | 1874 | static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
1875 | Manager *m = userdata; |
1876 | ||
1877 | return method_do_shutdown_or_sleep( | |
1878 | m, message, | |
e68c79db | 1879 | SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, |
c58493c0 ML |
1880 | INHIBIT_SLEEP, |
1881 | "org.freedesktop.login1.hibernate", | |
1882 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1883 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1884 | "hybrid-sleep", | |
1885 | error); | |
1886 | } | |
1887 | ||
867c37f6 DM |
1888 | static int nologin_timeout_handler( |
1889 | sd_event_source *s, | |
1890 | uint64_t usec, | |
1891 | void *userdata) { | |
1892 | ||
1893 | Manager *m = userdata; | |
867c37f6 DM |
1894 | |
1895 | log_info("Creating /run/nologin, blocking further logins..."); | |
1896 | ||
6e11e7e6 LP |
1897 | m->unlink_nologin = |
1898 | create_shutdown_run_nologin_or_warn() >= 0; | |
867c37f6 DM |
1899 | |
1900 | return 0; | |
1901 | } | |
1902 | ||
1903 | static int update_schedule_file(Manager *m) { | |
91b3e7fb | 1904 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 1905 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 1906 | int r; |
867c37f6 DM |
1907 | |
1908 | assert(m); | |
1909 | ||
37c1d5e9 | 1910 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE); |
867c37f6 DM |
1911 | if (r < 0) |
1912 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
1913 | ||
867c37f6 DM |
1914 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
1915 | if (r < 0) | |
1916 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
1917 | ||
1918 | (void) fchmod(fileno(f), 0644); | |
1919 | ||
1920 | fprintf(f, | |
1921 | "USEC="USEC_FMT"\n" | |
1922 | "WARN_WALL=%i\n" | |
1923 | "MODE=%s\n", | |
1924 | m->scheduled_shutdown_timeout, | |
1925 | m->enable_wall_messages, | |
1926 | m->scheduled_shutdown_type); | |
1927 | ||
91b3e7fb LP |
1928 | if (!isempty(m->wall_message)) { |
1929 | _cleanup_free_ char *t; | |
1930 | ||
1931 | t = cescape(m->wall_message); | |
1932 | if (!t) { | |
1933 | r = -ENOMEM; | |
1934 | goto fail; | |
1935 | } | |
1936 | ||
867c37f6 | 1937 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 1938 | } |
867c37f6 | 1939 | |
dacd6cee LP |
1940 | r = fflush_and_check(f); |
1941 | if (r < 0) | |
1942 | goto fail; | |
867c37f6 | 1943 | |
dacd6cee | 1944 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 1945 | r = -errno; |
dacd6cee | 1946 | goto fail; |
867c37f6 DM |
1947 | } |
1948 | ||
dacd6cee LP |
1949 | return 0; |
1950 | ||
1951 | fail: | |
1952 | (void) unlink(temp_path); | |
1953 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
1954 | ||
1955 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
1956 | } |
1957 | ||
df75a1a8 | 1958 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
1959 | assert(m); |
1960 | ||
df75a1a8 AJ |
1961 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
1962 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
1963 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 1964 | |
df75a1a8 AJ |
1965 | m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); |
1966 | m->scheduled_shutdown_timeout = 0; | |
1967 | m->shutdown_dry_run = false; | |
1968 | ||
1969 | if (m->unlink_nologin) { | |
af229d7a | 1970 | (void) unlink_or_warn("/run/nologin"); |
df75a1a8 AJ |
1971 | m->unlink_nologin = false; |
1972 | } | |
36b69c31 | 1973 | |
df75a1a8 AJ |
1974 | (void) unlink("/run/systemd/shutdown/scheduled"); |
1975 | } | |
1976 | ||
8aaa023a DM |
1977 | static int manager_scheduled_shutdown_handler( |
1978 | sd_event_source *s, | |
1979 | uint64_t usec, | |
1980 | void *userdata) { | |
1981 | ||
4afd3348 | 1982 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a DM |
1983 | Manager *m = userdata; |
1984 | const char *target; | |
1985 | int r; | |
1986 | ||
1987 | assert(m); | |
1988 | ||
1989 | if (isempty(m->scheduled_shutdown_type)) | |
1990 | return 0; | |
1991 | ||
36b69c31 | 1992 | if (streq(m->scheduled_shutdown_type, "poweroff")) |
8aaa023a | 1993 | target = SPECIAL_POWEROFF_TARGET; |
36b69c31 | 1994 | else if (streq(m->scheduled_shutdown_type, "reboot")) |
8aaa023a | 1995 | target = SPECIAL_REBOOT_TARGET; |
36b69c31 LP |
1996 | else if (streq(m->scheduled_shutdown_type, "halt")) |
1997 | target = SPECIAL_HALT_TARGET; | |
1998 | else | |
1999 | assert_not_reached("unexpected shutdown type"); | |
8aaa023a | 2000 | |
b498d6ea | 2001 | /* Don't allow multiple jobs being executed at the same time */ |
f8bfa318 | 2002 | if (m->action_what > 0) { |
6d7f7fd4 | 2003 | r = -EALREADY; |
b498d6ea | 2004 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target); |
6d7f7fd4 | 2005 | goto error; |
b498d6ea AJ |
2006 | } |
2007 | ||
df75a1a8 AJ |
2008 | if (m->shutdown_dry_run) { |
2009 | /* We do not process delay inhibitors here. Otherwise, we | |
2010 | * would have to be considered "in progress" (like the check | |
2011 | * above) for some seconds after our admin has seen the final | |
2012 | * wall message. */ | |
2013 | ||
2014 | bus_manager_log_shutdown(m, target); | |
2015 | log_info("Running in dry run, suppressing action."); | |
2016 | reset_scheduled_shutdown(m); | |
2017 | ||
2018 | return 0; | |
2019 | } | |
2020 | ||
2021 | r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error); | |
6d7f7fd4 AJ |
2022 | if (r < 0) { |
2023 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", target); | |
2024 | goto error; | |
2025 | } | |
8aaa023a DM |
2026 | |
2027 | return 0; | |
6d7f7fd4 AJ |
2028 | |
2029 | error: | |
2030 | reset_scheduled_shutdown(m); | |
2031 | return r; | |
8aaa023a DM |
2032 | } |
2033 | ||
19070062 | 2034 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2035 | Manager *m = userdata; |
4afd3348 | 2036 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8aaa023a DM |
2037 | const char *action_multiple_sessions = NULL; |
2038 | const char *action_ignore_inhibit = NULL; | |
2039 | const char *action = NULL; | |
2040 | uint64_t elapse; | |
2041 | char *type; | |
2042 | int r; | |
d13f5e16 | 2043 | bool dry_run = false; |
8aaa023a DM |
2044 | |
2045 | assert(m); | |
2046 | assert(message); | |
2047 | ||
2048 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2049 | if (r < 0) | |
2050 | return r; | |
2051 | ||
1389f4b9 DM |
2052 | if (startswith(type, "dry-")) { |
2053 | type += 4; | |
d13f5e16 | 2054 | dry_run = true; |
1389f4b9 DM |
2055 | } |
2056 | ||
36b69c31 LP |
2057 | if (streq(type, "poweroff")) { |
2058 | action = "org.freedesktop.login1.power-off"; | |
2059 | action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; | |
2060 | action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; | |
2061 | } else if (streq(type, "reboot")) { | |
8aaa023a DM |
2062 | action = "org.freedesktop.login1.reboot"; |
2063 | action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; | |
2064 | action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; | |
2065 | } else if (streq(type, "halt")) { | |
2066 | action = "org.freedesktop.login1.halt"; | |
2067 | action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; | |
2068 | action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; | |
8aaa023a DM |
2069 | } else |
2070 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); | |
2071 | ||
2072 | r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, | |
2073 | action, action_multiple_sessions, action_ignore_inhibit, error); | |
2074 | if (r != 0) | |
2075 | return r; | |
2076 | ||
2077 | if (m->scheduled_shutdown_timeout_source) { | |
2078 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2079 | if (r < 0) | |
c2a23db0 | 2080 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2081 | |
2082 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2083 | if (r < 0) | |
c2a23db0 | 2084 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2085 | } else { |
2086 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2087 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2088 | if (r < 0) | |
c2a23db0 | 2089 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2090 | } |
2091 | ||
2092 | r = free_and_strdup(&m->scheduled_shutdown_type, type); | |
2093 | if (r < 0) { | |
2094 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2095 | return log_oom(); | |
2096 | } | |
2097 | ||
d13f5e16 LP |
2098 | m->shutdown_dry_run = dry_run; |
2099 | ||
867c37f6 DM |
2100 | if (m->nologin_timeout_source) { |
2101 | r = sd_event_source_set_time(m->nologin_timeout_source, elapse); | |
2102 | if (r < 0) | |
c2a23db0 | 2103 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2104 | |
2105 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2106 | if (r < 0) | |
c2a23db0 | 2107 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2108 | } else { |
2109 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
2110 | CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); | |
2111 | if (r < 0) | |
c2a23db0 | 2112 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2113 | } |
2114 | ||
8aaa023a DM |
2115 | m->scheduled_shutdown_timeout = elapse; |
2116 | ||
e2fa5721 DM |
2117 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); |
2118 | if (r >= 0) { | |
011062f3 | 2119 | const char *tty = NULL; |
e2fa5721 DM |
2120 | |
2121 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
2122 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2123 | ||
2124 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
2125 | if (r < 0) { | |
2126 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2127 | return log_oom(); | |
2128 | } | |
2129 | } | |
2130 | ||
2131 | r = manager_setup_wall_message_timer(m); | |
2132 | if (r < 0) | |
2133 | return r; | |
2134 | ||
f8169e62 AJ |
2135 | r = update_schedule_file(m); |
2136 | if (r < 0) | |
2137 | return r; | |
867c37f6 | 2138 | |
8aaa023a DM |
2139 | return sd_bus_reply_method_return(message, NULL); |
2140 | } | |
2141 | ||
19070062 | 2142 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a DM |
2143 | Manager *m = userdata; |
2144 | bool cancelled; | |
2145 | ||
2146 | assert(m); | |
2147 | assert(message); | |
2148 | ||
2149 | cancelled = m->scheduled_shutdown_type != NULL; | |
1389f4b9 | 2150 | reset_scheduled_shutdown(m); |
fb91034c | 2151 | |
6e78fa4a | 2152 | if (cancelled && m->enable_wall_messages) { |
4afd3348 | 2153 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e99742ef | 2154 | _cleanup_free_ char *username = NULL; |
e2fa5721 DM |
2155 | const char *tty = NULL; |
2156 | uid_t uid = 0; | |
2157 | int r; | |
2158 | ||
2159 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2160 | if (r >= 0) { | |
2161 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2162 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2163 | } | |
2164 | ||
e99742ef | 2165 | username = uid_to_name(uid); |
e2fa5721 | 2166 | utmp_wall("The system shutdown has been cancelled", |
e99742ef | 2167 | username, tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2168 | } |
2169 | ||
8aaa023a DM |
2170 | return sd_bus_reply_method_return(message, "b", cancelled); |
2171 | } | |
2172 | ||
cc377381 LP |
2173 | static int method_can_shutdown_or_sleep( |
2174 | Manager *m, | |
2175 | sd_bus_message *message, | |
2176 | InhibitWhat w, | |
2177 | const char *action, | |
2178 | const char *action_multiple_sessions, | |
2179 | const char *action_ignore_inhibit, | |
ebcf1f97 LP |
2180 | const char *sleep_verb, |
2181 | sd_bus_error *error) { | |
de07ab16 | 2182 | |
4afd3348 | 2183 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
c8c8ee85 | 2184 | HandleAction handle; |
cc377381 LP |
2185 | bool multiple_sessions, challenge, blocked; |
2186 | const char *result = NULL; | |
2187 | uid_t uid; | |
2188 | int r; | |
de07ab16 | 2189 | |
cc377381 LP |
2190 | assert(m); |
2191 | assert(message); | |
2192 | assert(w >= 0); | |
2193 | assert(w <= _INHIBIT_WHAT_MAX); | |
2194 | assert(action); | |
2195 | assert(action_multiple_sessions); | |
2196 | assert(action_ignore_inhibit); | |
de07ab16 | 2197 | |
cc377381 LP |
2198 | if (sleep_verb) { |
2199 | r = can_sleep(sleep_verb); | |
8340b762 | 2200 | if (IN_SET(r, 0, -ENOSPC)) |
b71c9758 | 2201 | return sd_bus_reply_method_return(message, "s", "na"); |
de07ab16 | 2202 | if (r < 0) |
ebcf1f97 | 2203 | return r; |
cc377381 | 2204 | } |
de07ab16 | 2205 | |
05bae4a6 | 2206 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2207 | if (r < 0) |
2208 | return r; | |
2209 | ||
05bae4a6 | 2210 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2211 | if (r < 0) |
ebcf1f97 | 2212 | return r; |
de07ab16 | 2213 | |
cc377381 LP |
2214 | r = have_multiple_sessions(m, uid); |
2215 | if (r < 0) | |
ebcf1f97 | 2216 | return r; |
de07ab16 | 2217 | |
cc377381 | 2218 | multiple_sessions = r > 0; |
85a428c6 | 2219 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2220 | |
c8c8ee85 ZJS |
2221 | handle = handle_action_from_string(sleep_verb); |
2222 | if (handle >= 0) { | |
2223 | const char *target; | |
2224 | ||
2225 | target = manager_target_for_action(handle); | |
2226 | if (target) { | |
2227 | _cleanup_free_ char *load_state = NULL; | |
2228 | ||
2229 | r = unit_load_state(m->bus, target, &load_state); | |
2230 | if (r < 0) | |
2231 | return r; | |
2232 | ||
2233 | if (!streq(load_state, "loaded")) { | |
2234 | result = "no"; | |
2235 | goto finish; | |
2236 | } | |
2237 | } | |
2238 | } | |
2239 | ||
cc377381 | 2240 | if (multiple_sessions) { |
403ed0e5 | 2241 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2242 | if (r < 0) |
ebcf1f97 | 2243 | return r; |
bef422ae | 2244 | |
cc377381 LP |
2245 | if (r > 0) |
2246 | result = "yes"; | |
2247 | else if (challenge) | |
2248 | result = "challenge"; | |
2249 | else | |
2250 | result = "no"; | |
2251 | } | |
bef422ae | 2252 | |
cc377381 | 2253 | if (blocked) { |
403ed0e5 | 2254 | r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2255 | if (r < 0) |
ebcf1f97 | 2256 | return r; |
bef422ae | 2257 | |
0c093a62 HT |
2258 | if (r > 0) { |
2259 | if (!result) | |
2260 | result = "yes"; | |
2261 | } else if (challenge) { | |
2262 | if (!result || streq(result, "yes")) | |
2263 | result = "challenge"; | |
2264 | } else | |
cc377381 LP |
2265 | result = "no"; |
2266 | } | |
bef422ae | 2267 | |
cc377381 LP |
2268 | if (!multiple_sessions && !blocked) { |
2269 | /* If neither inhibit nor multiple sessions | |
2270 | * apply then just check the normal policy */ | |
bef422ae | 2271 | |
403ed0e5 | 2272 | r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2273 | if (r < 0) |
ebcf1f97 | 2274 | return r; |
bef422ae | 2275 | |
cc377381 LP |
2276 | if (r > 0) |
2277 | result = "yes"; | |
2278 | else if (challenge) | |
2279 | result = "challenge"; | |
2280 | else | |
2281 | result = "no"; | |
2282 | } | |
bef422ae | 2283 | |
c8c8ee85 | 2284 | finish: |
df2d202e | 2285 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2286 | } |
bef422ae | 2287 | |
19070062 | 2288 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2289 | Manager *m = userdata; |
bef422ae | 2290 | |
cc377381 LP |
2291 | return method_can_shutdown_or_sleep( |
2292 | m, message, | |
2293 | INHIBIT_SHUTDOWN, | |
2294 | "org.freedesktop.login1.power-off", | |
2295 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2296 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
ebcf1f97 LP |
2297 | NULL, |
2298 | error); | |
cc377381 | 2299 | } |
bef422ae | 2300 | |
19070062 | 2301 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2302 | Manager *m = userdata; |
bef422ae | 2303 | |
cc377381 LP |
2304 | return method_can_shutdown_or_sleep( |
2305 | m, message, | |
2306 | INHIBIT_SHUTDOWN, | |
2307 | "org.freedesktop.login1.reboot", | |
2308 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2309 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
ebcf1f97 LP |
2310 | NULL, |
2311 | error); | |
cc377381 | 2312 | } |
bef422ae | 2313 | |
36b69c31 LP |
2314 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2315 | Manager *m = userdata; | |
2316 | ||
2317 | return method_can_shutdown_or_sleep( | |
2318 | m, message, | |
2319 | INHIBIT_SHUTDOWN, | |
2320 | "org.freedesktop.login1.halt", | |
2321 | "org.freedesktop.login1.halt-multiple-sessions", | |
2322 | "org.freedesktop.login1.halt-ignore-inhibit", | |
2323 | NULL, | |
2324 | error); | |
2325 | } | |
2326 | ||
19070062 | 2327 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2328 | Manager *m = userdata; |
7f7bb946 | 2329 | |
cc377381 LP |
2330 | return method_can_shutdown_or_sleep( |
2331 | m, message, | |
2332 | INHIBIT_SLEEP, | |
2333 | "org.freedesktop.login1.suspend", | |
2334 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2335 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
ebcf1f97 LP |
2336 | "suspend", |
2337 | error); | |
cc377381 | 2338 | } |
7f7bb946 | 2339 | |
19070062 | 2340 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2341 | Manager *m = userdata; |
02b16a19 | 2342 | |
cc377381 LP |
2343 | return method_can_shutdown_or_sleep( |
2344 | m, message, | |
2345 | INHIBIT_SLEEP, | |
2346 | "org.freedesktop.login1.hibernate", | |
2347 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2348 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2349 | "hibernate", |
2350 | error); | |
cc377381 | 2351 | } |
7f7bb946 | 2352 | |
19070062 | 2353 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2354 | Manager *m = userdata; |
7f7bb946 | 2355 | |
cc377381 LP |
2356 | return method_can_shutdown_or_sleep( |
2357 | m, message, | |
2358 | INHIBIT_SLEEP, | |
2359 | "org.freedesktop.login1.hibernate", | |
2360 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2361 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
ebcf1f97 LP |
2362 | "hybrid-sleep", |
2363 | error); | |
cc377381 | 2364 | } |
38f3fc7d | 2365 | |
e68c79db | 2366 | static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
2367 | Manager *m = userdata; |
2368 | ||
2369 | return method_can_shutdown_or_sleep( | |
2370 | m, message, | |
2371 | INHIBIT_SLEEP, | |
2372 | "org.freedesktop.login1.hibernate", | |
2373 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2374 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
e68c79db | 2375 | "suspend-then-hibernate", |
c58493c0 ML |
2376 | error); |
2377 | } | |
2378 | ||
5bdf2243 JJ |
2379 | static int property_get_reboot_to_firmware_setup( |
2380 | sd_bus *bus, | |
2381 | const char *path, | |
2382 | const char *interface, | |
2383 | const char *property, | |
2384 | sd_bus_message *reply, | |
2385 | void *userdata, | |
2386 | sd_bus_error *error) { | |
2387 | int r; | |
2388 | ||
2389 | assert(bus); | |
2390 | assert(reply); | |
2391 | assert(userdata); | |
2392 | ||
2393 | r = efi_get_reboot_to_firmware(); | |
2394 | if (r < 0 && r != -EOPNOTSUPP) | |
6f302ce6 | 2395 | log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m"); |
5bdf2243 JJ |
2396 | |
2397 | return sd_bus_message_append(reply, "b", r > 0); | |
2398 | } | |
2399 | ||
2400 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2401 | sd_bus_message *message, |
2402 | void *userdata, | |
2403 | sd_bus_error *error) { | |
2404 | ||
2405 | int b, r; | |
5bdf2243 JJ |
2406 | Manager *m = userdata; |
2407 | ||
5bdf2243 JJ |
2408 | assert(message); |
2409 | assert(m); | |
2410 | ||
889f25b2 | 2411 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2412 | if (r < 0) |
2413 | return r; | |
2414 | ||
2415 | r = bus_verify_polkit_async(message, | |
2416 | CAP_SYS_ADMIN, | |
2417 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2418 | NULL, |
889f25b2 | 2419 | false, |
5bdf2243 JJ |
2420 | UID_INVALID, |
2421 | &m->polkit_registry, | |
2422 | error); | |
2423 | if (r < 0) | |
2424 | return r; | |
2425 | if (r == 0) | |
2426 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2427 | ||
2428 | r = efi_set_reboot_to_firmware(b); | |
2429 | if (r < 0) | |
2430 | return r; | |
2431 | ||
2432 | return sd_bus_reply_method_return(message, NULL); | |
2433 | } | |
2434 | ||
2435 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2436 | sd_bus_message *message, |
2437 | void *userdata, | |
2438 | sd_bus_error *error) { | |
2439 | ||
2440 | int r; | |
2441 | bool challenge; | |
2442 | const char *result; | |
2443 | Manager *m = userdata; | |
2444 | ||
5bdf2243 JJ |
2445 | assert(message); |
2446 | assert(m); | |
2447 | ||
2448 | r = efi_reboot_to_firmware_supported(); | |
6f302ce6 LP |
2449 | if (r < 0) { |
2450 | if (r != -EOPNOTSUPP) | |
c57ed573 | 2451 | log_warning_errno(r, "Failed to determine whether reboot to firmware is supported: %m"); |
6f302ce6 | 2452 | |
5bdf2243 | 2453 | return sd_bus_reply_method_return(message, "s", "na"); |
6f302ce6 | 2454 | } |
5bdf2243 JJ |
2455 | |
2456 | r = bus_test_polkit(message, | |
2457 | CAP_SYS_ADMIN, | |
2458 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2459 | NULL, |
5bdf2243 JJ |
2460 | UID_INVALID, |
2461 | &challenge, | |
2462 | error); | |
2463 | if (r < 0) | |
2464 | return r; | |
2465 | ||
2466 | if (r > 0) | |
2467 | result = "yes"; | |
2468 | else if (challenge) | |
2469 | result = "challenge"; | |
2470 | else | |
2471 | result = "no"; | |
2472 | ||
2473 | return sd_bus_reply_method_return(message, "s", result); | |
2474 | } | |
2475 | ||
9ef15026 JS |
2476 | static int method_set_wall_message( |
2477 | sd_bus_message *message, | |
2478 | void *userdata, | |
2479 | sd_bus_error *error) { | |
2480 | ||
2481 | int r; | |
2482 | Manager *m = userdata; | |
2483 | char *wall_message; | |
c9482b88 | 2484 | unsigned enable_wall_messages; |
9ef15026 JS |
2485 | |
2486 | assert(message); | |
2487 | assert(m); | |
2488 | ||
2489 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
2490 | if (r < 0) | |
2491 | return r; | |
2492 | ||
2493 | r = bus_verify_polkit_async(message, | |
2494 | CAP_SYS_ADMIN, | |
2495 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 2496 | NULL, |
9ef15026 JS |
2497 | false, |
2498 | UID_INVALID, | |
2499 | &m->polkit_registry, | |
2500 | error); | |
9ef15026 JS |
2501 | if (r < 0) |
2502 | return r; | |
2503 | if (r == 0) | |
2504 | return 1; /* Will call us back */ | |
2505 | ||
28a9ec44 ZJS |
2506 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
2507 | if (r < 0) | |
2508 | return log_oom(); | |
5744f59a | 2509 | |
9ef15026 JS |
2510 | m->enable_wall_messages = enable_wall_messages; |
2511 | ||
2512 | return sd_bus_reply_method_return(message, NULL); | |
2513 | } | |
2514 | ||
19070062 | 2515 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 2516 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2517 | const char *who, *why, *what, *mode; |
2518 | _cleanup_free_ char *id = NULL; | |
2519 | _cleanup_close_ int fifo_fd = -1; | |
2520 | Manager *m = userdata; | |
2521 | Inhibitor *i = NULL; | |
2522 | InhibitMode mm; | |
2523 | InhibitWhat w; | |
2524 | pid_t pid; | |
2525 | uid_t uid; | |
2526 | int r; | |
7f7bb946 | 2527 | |
cc377381 LP |
2528 | assert(message); |
2529 | assert(m); | |
38f3fc7d | 2530 | |
cc377381 LP |
2531 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
2532 | if (r < 0) | |
ebcf1f97 | 2533 | return r; |
38f3fc7d | 2534 | |
cc377381 LP |
2535 | w = inhibit_what_from_string(what); |
2536 | if (w <= 0) | |
ebcf1f97 | 2537 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); |
38f3fc7d | 2538 | |
cc377381 LP |
2539 | mm = inhibit_mode_from_string(mode); |
2540 | if (mm < 0) | |
ebcf1f97 | 2541 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); |
7f7bb946 | 2542 | |
cc377381 LP |
2543 | /* Delay is only supported for shutdown/sleep */ |
2544 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
ebcf1f97 | 2545 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); |
38f3fc7d | 2546 | |
cc377381 LP |
2547 | /* Don't allow taking delay locks while we are already |
2548 | * executing the operation. We shouldn't create the impression | |
2549 | * that the lock was successful if the machine is about to go | |
2550 | * down/suspend any moment. */ | |
2551 | if (m->action_what & w) | |
ebcf1f97 | 2552 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); |
cc377381 | 2553 | |
c529695e LP |
2554 | r = bus_verify_polkit_async( |
2555 | message, | |
2556 | CAP_SYS_BOOT, | |
2557 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
2558 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
2559 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
2560 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
2561 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
2562 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
2563 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 2564 | NULL, |
c529695e LP |
2565 | false, |
2566 | UID_INVALID, | |
2567 | &m->polkit_registry, | |
2568 | error); | |
cc377381 | 2569 | if (r < 0) |
ebcf1f97 | 2570 | return r; |
cc377381 LP |
2571 | if (r == 0) |
2572 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 2573 | |
05bae4a6 | 2574 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
2575 | if (r < 0) |
2576 | return r; | |
2577 | ||
05bae4a6 | 2578 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2579 | if (r < 0) |
ebcf1f97 | 2580 | return r; |
7f7bb946 | 2581 | |
5b12334d | 2582 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 2583 | if (r < 0) |
ebcf1f97 | 2584 | return r; |
47a26690 | 2585 | |
c5a11ae2 LP |
2586 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
2587 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); | |
2588 | ||
cc377381 | 2589 | do { |
97b11eed | 2590 | id = mfree(id); |
47a26690 | 2591 | |
cc377381 | 2592 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 2593 | return -ENOMEM; |
47a26690 | 2594 | |
cc377381 | 2595 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 2596 | |
cc377381 LP |
2597 | r = manager_add_inhibitor(m, id, &i); |
2598 | if (r < 0) | |
ebcf1f97 | 2599 | return r; |
47a26690 | 2600 | |
cc377381 LP |
2601 | i->what = w; |
2602 | i->mode = mm; | |
2603 | i->pid = pid; | |
2604 | i->uid = uid; | |
2605 | i->why = strdup(why); | |
2606 | i->who = strdup(who); | |
7f7bb946 | 2607 | |
cc377381 | 2608 | if (!i->why || !i->who) { |
ebcf1f97 | 2609 | r = -ENOMEM; |
cc377381 LP |
2610 | goto fail; |
2611 | } | |
b668e064 | 2612 | |
cc377381 LP |
2613 | fifo_fd = inhibitor_create_fifo(i); |
2614 | if (fifo_fd < 0) { | |
ebcf1f97 | 2615 | r = fifo_fd; |
cc377381 LP |
2616 | goto fail; |
2617 | } | |
b668e064 | 2618 | |
cc377381 | 2619 | inhibitor_start(i); |
b668e064 | 2620 | |
df2d202e | 2621 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
b668e064 | 2622 | |
cc377381 LP |
2623 | fail: |
2624 | if (i) | |
2625 | inhibitor_free(i); | |
89f13440 | 2626 | |
cc377381 LP |
2627 | return r; |
2628 | } | |
3f49d45a | 2629 | |
cc377381 LP |
2630 | const sd_bus_vtable manager_vtable[] = { |
2631 | SD_BUS_VTABLE_START(0), | |
2632 | ||
e2fa5721 DM |
2633 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), |
2634 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), | |
2635 | ||
556089dc LP |
2636 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
2637 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2638 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
2639 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
c30e0d7b | 2640 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, 0), |
cc377381 LP |
2641 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
2642 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2643 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2644 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
2645 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc | 2646 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
9afe9efb | 2647 | SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL, offsetof(Manager, user_stop_delay), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2648 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), |
2649 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2650 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
2651 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
e25937a3 | 2652 | SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST), |
3c56cab4 | 2653 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 2654 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
2655 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
2656 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
2657 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
2658 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 2659 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 2660 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
9b9c23da | 2661 | SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0), |
4e96eb68 | 2662 | SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power, 0, 0), |
6d97d3c6 | 2663 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
a7b46b7d | 2664 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), |
c5a11ae2 | 2665 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 2666 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size, offsetof(Manager, inhibitors), 0), |
183e0738 | 2667 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 2668 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size, offsetof(Manager, sessions), 0), |
28414939 | 2669 | SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
cc377381 | 2670 | |
adacb957 LP |
2671 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2672 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2673 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2674 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
2675 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
2676 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2677 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), | |
2678 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), | |
2679 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), | |
a4cd87e9 | 2680 | SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0), |
cc377381 | 2681 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), |
adacb957 LP |
2682 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2683 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
c529695e LP |
2684 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), |
2685 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2686 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2687 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), | |
2688 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2689 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2690 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), | |
2691 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
2692 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 LP |
2693 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), |
2694 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
2695 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), | |
2696 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), | |
2697 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2698 | SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2699 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2700 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2701 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 2702 | SD_BUS_METHOD("SuspendThenHibernate", "b", NULL, method_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2703 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), |
2704 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), | |
36b69c31 | 2705 | SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
2706 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), |
2707 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), | |
2708 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), | |
e68c79db | 2709 | SD_BUS_METHOD("CanSuspendThenHibernate", NULL, "s", method_can_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), |
559b5cc2 LP |
2710 | SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), |
2711 | SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 2712 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), |
5bdf2243 | 2713 | SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
889f25b2 | 2714 | SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), |
9ef15026 | 2715 | SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), |
cc377381 LP |
2716 | |
2717 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
2718 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
2719 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
2720 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
2721 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
2722 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
2723 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
2724 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
2725 | ||
2726 | SD_BUS_VTABLE_END | |
2727 | }; | |
3f49d45a | 2728 | |
99e7e392 | 2729 | static int session_jobs_reply(Session *s, const char *unit, const char *result) { |
99e7e392 DH |
2730 | assert(s); |
2731 | assert(unit); | |
2732 | ||
2733 | if (!s->started) | |
25a1ab4e | 2734 | return 0; |
99e7e392 | 2735 | |
25a1ab4e | 2736 | if (result && !streq(result, "done")) { |
4afd3348 | 2737 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 | 2738 | |
25a1ab4e LP |
2739 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit '%s' failed with '%s'", unit, result); |
2740 | return session_send_create_reply(s, &e); | |
99e7e392 DH |
2741 | } |
2742 | ||
25a1ab4e | 2743 | return session_send_create_reply(s, NULL); |
99e7e392 DH |
2744 | } |
2745 | ||
19070062 | 2746 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2747 | const char *path, *result, *unit; |
2748 | Manager *m = userdata; | |
2749 | Session *session; | |
2750 | uint32_t id; | |
2751 | User *user; | |
2752 | int r; | |
3f49d45a | 2753 | |
cc377381 LP |
2754 | assert(message); |
2755 | assert(m); | |
3f49d45a | 2756 | |
cc377381 LP |
2757 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
2758 | if (r < 0) { | |
ebcf1f97 | 2759 | bus_log_parse_error(r); |
65d73cf0 | 2760 | return 0; |
cc377381 | 2761 | } |
3f49d45a | 2762 | |
cc377381 | 2763 | if (m->action_job && streq(m->action_job, path)) { |
af4efb51 | 2764 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); |
3f49d45a | 2765 | |
cc377381 | 2766 | /* Tell people that they now may take a lock again */ |
401e33ed | 2767 | (void) send_prepare_for(m, m->action_what, false); |
3f49d45a | 2768 | |
491ac9f2 | 2769 | m->action_job = mfree(m->action_job); |
cc377381 LP |
2770 | m->action_unit = NULL; |
2771 | m->action_what = 0; | |
2772 | return 0; | |
2773 | } | |
3f49d45a | 2774 | |
cc377381 | 2775 | session = hashmap_get(m->session_units, unit); |
25a1ab4e LP |
2776 | if (session) { |
2777 | if (streq_ptr(path, session->scope_job)) { | |
2778 | session->scope_job = mfree(session->scope_job); | |
2779 | (void) session_jobs_reply(session, unit, result); | |
2780 | ||
2781 | session_save(session); | |
2782 | user_save(session->user); | |
2783 | } | |
3f49d45a | 2784 | |
cc377381 LP |
2785 | session_add_to_gc_queue(session); |
2786 | } | |
3f49d45a | 2787 | |
cc377381 | 2788 | user = hashmap_get(m->user_units, unit); |
25a1ab4e LP |
2789 | if (user) { |
2790 | if (streq_ptr(path, user->service_job)) { | |
491ac9f2 | 2791 | user->service_job = mfree(user->service_job); |
3f49d45a | 2792 | |
25a1ab4e LP |
2793 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
2794 | (void) session_jobs_reply(session, unit, NULL /* don't propagate user service failures to the client */); | |
3f49d45a | 2795 | |
25a1ab4e LP |
2796 | user_save(user); |
2797 | } | |
dd9b67aa | 2798 | |
cc377381 | 2799 | user_add_to_gc_queue(user); |
3f49d45a LP |
2800 | } |
2801 | ||
cc377381 | 2802 | return 0; |
3f49d45a LP |
2803 | } |
2804 | ||
19070062 | 2805 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2806 | const char *path, *unit; |
1713813d | 2807 | Manager *m = userdata; |
cc377381 LP |
2808 | Session *session; |
2809 | User *user; | |
2810 | int r; | |
1713813d | 2811 | |
1713813d | 2812 | assert(message); |
cc377381 | 2813 | assert(m); |
1713813d | 2814 | |
cc377381 LP |
2815 | r = sd_bus_message_read(message, "so", &unit, &path); |
2816 | if (r < 0) { | |
ebcf1f97 | 2817 | bus_log_parse_error(r); |
65d73cf0 | 2818 | return 0; |
cc377381 | 2819 | } |
fb6becb4 | 2820 | |
cc377381 LP |
2821 | session = hashmap_get(m->session_units, unit); |
2822 | if (session) | |
2823 | session_add_to_gc_queue(session); | |
fb6becb4 | 2824 | |
cc377381 LP |
2825 | user = hashmap_get(m->user_units, unit); |
2826 | if (user) | |
2827 | user_add_to_gc_queue(user); | |
fb6becb4 | 2828 | |
cc377381 LP |
2829 | return 0; |
2830 | } | |
fb6becb4 | 2831 | |
19070062 | 2832 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2833 | _cleanup_free_ char *unit = NULL; |
2834 | Manager *m = userdata; | |
2835 | const char *path; | |
2836 | Session *session; | |
2837 | User *user; | |
ebcf1f97 | 2838 | int r; |
fb6becb4 | 2839 | |
cc377381 LP |
2840 | assert(message); |
2841 | assert(m); | |
fb6becb4 | 2842 | |
cc377381 LP |
2843 | path = sd_bus_message_get_path(message); |
2844 | if (!path) | |
2845 | return 0; | |
fb6becb4 | 2846 | |
ebcf1f97 | 2847 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
2848 | if (r == -EINVAL) /* not a unit */ |
2849 | return 0; | |
65d73cf0 LP |
2850 | if (r < 0) { |
2851 | log_oom(); | |
2852 | return 0; | |
2853 | } | |
fb6becb4 | 2854 | |
cc377381 LP |
2855 | session = hashmap_get(m->session_units, unit); |
2856 | if (session) | |
2857 | session_add_to_gc_queue(session); | |
fb6becb4 | 2858 | |
cc377381 LP |
2859 | user = hashmap_get(m->user_units, unit); |
2860 | if (user) | |
2861 | user_add_to_gc_queue(user); | |
fb6becb4 | 2862 | |
cc377381 LP |
2863 | return 0; |
2864 | } | |
6fa48533 | 2865 | |
19070062 | 2866 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
2867 | Manager *m = userdata; |
2868 | Session *session; | |
2869 | Iterator i; | |
2870 | int b, r; | |
943aca8e | 2871 | |
19070062 LP |
2872 | assert(message); |
2873 | assert(m); | |
943aca8e | 2874 | |
cc377381 LP |
2875 | r = sd_bus_message_read(message, "b", &b); |
2876 | if (r < 0) { | |
ebcf1f97 | 2877 | bus_log_parse_error(r); |
65d73cf0 | 2878 | return 0; |
cc377381 | 2879 | } |
943aca8e | 2880 | |
cc377381 LP |
2881 | if (b) |
2882 | return 0; | |
943aca8e | 2883 | |
cc377381 LP |
2884 | /* systemd finished reloading, let's recheck all our sessions */ |
2885 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2886 | |
cc377381 LP |
2887 | HASHMAP_FOREACH(session, m->sessions, i) |
2888 | session_add_to_gc_queue(session); | |
6797c324 | 2889 | |
cc377381 LP |
2890 | return 0; |
2891 | } | |
943aca8e | 2892 | |
cc377381 LP |
2893 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2894 | char **l; | |
9418f147 LP |
2895 | |
2896 | assert(manager); | |
2897 | ||
cc377381 | 2898 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2899 | |
cc377381 LP |
2900 | return sd_bus_emit_properties_changed_strv( |
2901 | manager->bus, | |
2902 | "/org/freedesktop/login1", | |
2903 | "org.freedesktop.login1.Manager", | |
2904 | l); | |
9418f147 | 2905 | } |
eecd1362 | 2906 | |
2adae5ac ZJS |
2907 | static int strdup_job(sd_bus_message *reply, char **job) { |
2908 | const char *j; | |
2909 | char *copy; | |
2910 | int r; | |
2911 | ||
2912 | r = sd_bus_message_read(reply, "o", &j); | |
2913 | if (r < 0) | |
2914 | return r; | |
2915 | ||
2916 | copy = strdup(j); | |
2917 | if (!copy) | |
2918 | return -ENOMEM; | |
2919 | ||
2920 | *job = copy; | |
2921 | return 1; | |
2922 | } | |
2923 | ||
fb6becb4 LP |
2924 | int manager_start_scope( |
2925 | Manager *manager, | |
2926 | const char *scope, | |
2927 | pid_t pid, | |
2928 | const char *slice, | |
2929 | const char *description, | |
25a1ab4e LP |
2930 | char **wants, |
2931 | char **after, | |
d5ac9d06 | 2932 | const char *requires_mounts_for, |
22f93314 | 2933 | sd_bus_message *more_properties, |
cc377381 | 2934 | sd_bus_error *error, |
fb6becb4 LP |
2935 | char **job) { |
2936 | ||
4afd3348 | 2937 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
25a1ab4e | 2938 | char **i; |
cc377381 | 2939 | int r; |
fb6becb4 LP |
2940 | |
2941 | assert(manager); | |
2942 | assert(scope); | |
2943 | assert(pid > 1); | |
2adae5ac | 2944 | assert(job); |
fb6becb4 | 2945 | |
cc377381 LP |
2946 | r = sd_bus_message_new_method_call( |
2947 | manager->bus, | |
151b9b96 | 2948 | &m, |
fb6becb4 LP |
2949 | "org.freedesktop.systemd1", |
2950 | "/org/freedesktop/systemd1", | |
2951 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 2952 | "StartTransientUnit"); |
cc377381 LP |
2953 | if (r < 0) |
2954 | return r; | |
fb6becb4 | 2955 | |
cc377381 LP |
2956 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
2957 | if (r < 0) | |
2958 | return r; | |
fb6becb4 | 2959 | |
cc377381 LP |
2960 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
2961 | if (r < 0) | |
2962 | return r; | |
fb6becb4 LP |
2963 | |
2964 | if (!isempty(slice)) { | |
cc377381 LP |
2965 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
2966 | if (r < 0) | |
2967 | return r; | |
fb6becb4 LP |
2968 | } |
2969 | ||
2970 | if (!isempty(description)) { | |
cc377381 LP |
2971 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
2972 | if (r < 0) | |
2973 | return r; | |
fb6becb4 LP |
2974 | } |
2975 | ||
25a1ab4e LP |
2976 | STRV_FOREACH(i, wants) { |
2977 | r = sd_bus_message_append(m, "(sv)", "Wants", "as", 1, *i); | |
cc377381 LP |
2978 | if (r < 0) |
2979 | return r; | |
7fb3ee51 LP |
2980 | } |
2981 | ||
25a1ab4e LP |
2982 | STRV_FOREACH(i, after) { |
2983 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, *i); | |
ba4c5d93 LP |
2984 | if (r < 0) |
2985 | return r; | |
2986 | } | |
2987 | ||
d5ac9d06 LP |
2988 | if (!empty_or_root(requires_mounts_for)) { |
2989 | r = sd_bus_message_append(m, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for); | |
2990 | if (r < 0) | |
2991 | return r; | |
2992 | } | |
2993 | ||
e743bca2 LP |
2994 | /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore |
2995 | * SIGTERM */ | |
cc377381 LP |
2996 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
2997 | if (r < 0) | |
2998 | return r; | |
2999 | ||
3000 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3001 | if (r < 0) | |
3002 | return r; | |
3003 | ||
22f93314 JS |
3004 | /* disable TasksMax= for the session scope, rely on the slice setting for it */ |
3005 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", (uint64_t)-1); | |
90558f31 | 3006 | if (r < 0) |
22f93314 JS |
3007 | return bus_log_create_error(r); |
3008 | ||
3009 | if (more_properties) { | |
3010 | /* If TasksMax also appears here, it will overwrite the default value set above */ | |
3011 | r = sd_bus_message_copy(m, more_properties, true); | |
3012 | if (r < 0) | |
3013 | return r; | |
3014 | } | |
90558f31 | 3015 | |
cc377381 LP |
3016 | r = sd_bus_message_close_container(m); |
3017 | if (r < 0) | |
3018 | return r; | |
86b8d289 LP |
3019 | |
3020 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3021 | if (r < 0) | |
3022 | return r; | |
cc377381 | 3023 | |
c49b30a2 | 3024 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3025 | if (r < 0) |
3026 | return r; | |
fb6becb4 | 3027 | |
2adae5ac | 3028 | return strdup_job(reply, job); |
fb6becb4 LP |
3029 | } |
3030 | ||
cc377381 | 3031 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3032 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3033 | int r; |
3034 | ||
3035 | assert(manager); | |
3036 | assert(unit); | |
2adae5ac | 3037 | assert(job); |
fb6becb4 | 3038 | |
cc377381 | 3039 | r = sd_bus_call_method( |
fb6becb4 LP |
3040 | manager->bus, |
3041 | "org.freedesktop.systemd1", | |
3042 | "/org/freedesktop/systemd1", | |
3043 | "org.freedesktop.systemd1.Manager", | |
3044 | "StartUnit", | |
fb6becb4 | 3045 | error, |
cc377381 | 3046 | &reply, |
79ee4ad1 | 3047 | "ss", unit, "replace"); |
cc377381 | 3048 | if (r < 0) |
fb6becb4 | 3049 | return r; |
fb6becb4 | 3050 | |
2adae5ac | 3051 | return strdup_job(reply, job); |
fb6becb4 LP |
3052 | } |
3053 | ||
cc377381 | 3054 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3055 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3056 | int r; |
3057 | ||
3058 | assert(manager); | |
3059 | assert(unit); | |
2adae5ac | 3060 | assert(job); |
fb6becb4 | 3061 | |
cc377381 | 3062 | r = sd_bus_call_method( |
fb6becb4 LP |
3063 | manager->bus, |
3064 | "org.freedesktop.systemd1", | |
3065 | "/org/freedesktop/systemd1", | |
3066 | "org.freedesktop.systemd1.Manager", | |
3067 | "StopUnit", | |
fb6becb4 | 3068 | error, |
cc377381 LP |
3069 | &reply, |
3070 | "ss", unit, "fail"); | |
fb6becb4 | 3071 | if (r < 0) { |
cc377381 LP |
3072 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
3073 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 3074 | |
2adae5ac | 3075 | *job = NULL; |
cc377381 | 3076 | sd_bus_error_free(error); |
6797c324 LP |
3077 | return 0; |
3078 | } | |
3079 | ||
fb6becb4 LP |
3080 | return r; |
3081 | } | |
3082 | ||
2adae5ac | 3083 | return strdup_job(reply, job); |
fb6becb4 LP |
3084 | } |
3085 | ||
ea3a7cf6 LP |
3086 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *ret_error) { |
3087 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5f41d1f1 LP |
3088 | _cleanup_free_ char *path = NULL; |
3089 | int r; | |
3090 | ||
3091 | assert(manager); | |
3092 | assert(scope); | |
3093 | ||
3094 | path = unit_dbus_path_from_name(scope); | |
3095 | if (!path) | |
3096 | return -ENOMEM; | |
3097 | ||
3098 | r = sd_bus_call_method( | |
3099 | manager->bus, | |
3100 | "org.freedesktop.systemd1", | |
3101 | path, | |
3102 | "org.freedesktop.systemd1.Scope", | |
3103 | "Abandon", | |
ea3a7cf6 | 3104 | &error, |
5f41d1f1 LP |
3105 | NULL, |
3106 | NULL); | |
3107 | if (r < 0) { | |
ea3a7cf6 LP |
3108 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
3109 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED) || | |
3110 | sd_bus_error_has_name(&error, BUS_ERROR_SCOPE_NOT_RUNNING)) | |
5f41d1f1 | 3111 | return 0; |
5f41d1f1 | 3112 | |
ea3a7cf6 | 3113 | sd_bus_error_move(ret_error, &error); |
5f41d1f1 LP |
3114 | return r; |
3115 | } | |
3116 | ||
3117 | return 1; | |
3118 | } | |
3119 | ||
cc377381 | 3120 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
3121 | assert(manager); |
3122 | assert(unit); | |
3123 | ||
cc377381 | 3124 | return sd_bus_call_method( |
fb6becb4 LP |
3125 | manager->bus, |
3126 | "org.freedesktop.systemd1", | |
3127 | "/org/freedesktop/systemd1", | |
3128 | "org.freedesktop.systemd1.Manager", | |
3129 | "KillUnit", | |
fb6becb4 | 3130 | error, |
cc377381 LP |
3131 | NULL, |
3132 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
3133 | } |
3134 | ||
bd26aee1 | 3135 | int manager_unit_is_active(Manager *manager, const char *unit, sd_bus_error *ret_error) { |
4afd3348 LP |
3136 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3137 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 3138 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 3139 | const char *state; |
fb6becb4 LP |
3140 | int r; |
3141 | ||
3142 | assert(manager); | |
3143 | assert(unit); | |
3144 | ||
fb6becb4 LP |
3145 | path = unit_dbus_path_from_name(unit); |
3146 | if (!path) | |
3147 | return -ENOMEM; | |
3148 | ||
cc377381 | 3149 | r = sd_bus_get_property( |
fb6becb4 LP |
3150 | manager->bus, |
3151 | "org.freedesktop.systemd1", | |
3152 | path, | |
cc377381 LP |
3153 | "org.freedesktop.systemd1.Unit", |
3154 | "ActiveState", | |
fb6becb4 | 3155 | &error, |
cc377381 LP |
3156 | &reply, |
3157 | "s"); | |
fb6becb4 | 3158 | if (r < 0) { |
cc377381 LP |
3159 | /* systemd might have droppped off momentarily, let's |
3160 | * not make this an error */ | |
3161 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3162 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 3163 | return true; |
6797c324 | 3164 | |
cc377381 LP |
3165 | /* If the unit is already unloaded then it's not |
3166 | * active */ | |
3167 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
3168 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 3169 | return false; |
6797c324 | 3170 | |
bd26aee1 | 3171 | sd_bus_error_move(ret_error, &error); |
fb6becb4 LP |
3172 | return r; |
3173 | } | |
3174 | ||
cc377381 LP |
3175 | r = sd_bus_message_read(reply, "s", &state); |
3176 | if (r < 0) | |
bd26aee1 | 3177 | return r; |
fb6becb4 | 3178 | |
bd26aee1 | 3179 | return !STR_IN_SET(state, "inactive", "failed"); |
cc377381 LP |
3180 | } |
3181 | ||
bd26aee1 | 3182 | int manager_job_is_active(Manager *manager, const char *path, sd_bus_error *ret_error) { |
4afd3348 LP |
3183 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
3184 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
3185 | int r; |
3186 | ||
3187 | assert(manager); | |
3188 | assert(path); | |
3189 | ||
3190 | r = sd_bus_get_property( | |
3191 | manager->bus, | |
3192 | "org.freedesktop.systemd1", | |
3193 | path, | |
3194 | "org.freedesktop.systemd1.Job", | |
3195 | "State", | |
3196 | &error, | |
3197 | &reply, | |
3198 | "s"); | |
3199 | if (r < 0) { | |
3200 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
3201 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
3202 | return true; | |
3203 | ||
3204 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
3205 | return false; | |
3206 | ||
bd26aee1 | 3207 | sd_bus_error_move(ret_error, &error); |
cc377381 | 3208 | return r; |
fb6becb4 LP |
3209 | } |
3210 | ||
cc377381 LP |
3211 | /* We don't actually care about the state really. The fact |
3212 | * that we could read the job state is enough for us */ | |
fb6becb4 | 3213 | |
cc377381 | 3214 | return true; |
fb6becb4 | 3215 | } |