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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
3f49d45a | 2 | |
a185c5aa | 3 | #include <errno.h> |
ca78ad1d | 4 | #include <sys/stat.h> |
98a28fef | 5 | #include <unistd.h> |
a185c5aa | 6 | |
4f209af7 | 7 | #include "sd-device.h" |
cc377381 | 8 | #include "sd-messages.h" |
4f5dd394 | 9 | |
b5efdb8a | 10 | #include "alloc-util.h" |
430f0182 | 11 | #include "audit-util.h" |
31b221cf | 12 | #include "bootspec.h" |
96aad8d1 | 13 | #include "bus-common-errors.h" |
4f5dd394 | 14 | #include "bus-error.h" |
40af3d02 | 15 | #include "bus-get-properties.h" |
9b71e4ab | 16 | #include "bus-locator.h" |
269e4d2d | 17 | #include "bus-polkit.h" |
c8c8ee85 | 18 | #include "bus-unit-util.h" |
4f5dd394 | 19 | #include "bus-util.h" |
75100aeb | 20 | #include "cgroup-util.h" |
8437c059 | 21 | #include "device-util.h" |
a0956174 | 22 | #include "dirent-util.h" |
0bb2f0f1 | 23 | #include "efi-loader.h" |
269e4d2d | 24 | #include "efivars.h" |
e667266a | 25 | #include "env-util.h" |
4f5dd394 | 26 | #include "escape.h" |
3ffd4af2 | 27 | #include "fd-util.h" |
4f5dd394 | 28 | #include "fileio-label.h" |
ee228be1 | 29 | #include "fileio.h" |
f97b34a6 | 30 | #include "format-util.h" |
f4f15635 | 31 | #include "fs-util.h" |
5ed73478 | 32 | #include "logind-action.h" |
6ecda0fb | 33 | #include "logind-dbus.h" |
7820a56c | 34 | #include "logind-polkit.h" |
6ecda0fb LP |
35 | #include "logind-seat-dbus.h" |
36 | #include "logind-session-dbus.h" | |
37 | #include "logind-user-dbus.h" | |
4f5dd394 | 38 | #include "logind.h" |
36dd5ffd | 39 | #include "missing_capability.h" |
35cd0ba5 | 40 | #include "mkdir-label.h" |
31b221cf | 41 | #include "parse-util.h" |
4f5dd394 | 42 | #include "path-util.h" |
0b452006 | 43 | #include "process-util.h" |
428b296a | 44 | #include "reboot-util.h" |
4f5dd394 LP |
45 | #include "selinux-util.h" |
46 | #include "sleep-config.h" | |
47 | #include "special.h" | |
31b221cf | 48 | #include "stdio-util.h" |
4f5dd394 | 49 | #include "strv.h" |
288a74cc | 50 | #include "terminal-util.h" |
e4de7287 | 51 | #include "tmpfile-util.h" |
4f5dd394 | 52 | #include "unit-name.h" |
b1d4f8e1 | 53 | #include "user-util.h" |
e2fa5721 | 54 | #include "utmp-wtmp.h" |
428b296a | 55 | #include "virt.h" |
3f49d45a | 56 | |
1831759a LN |
57 | /* As a random fun fact sysvinit had a 252 (256-(strlen(" \r\n")+1)) |
58 | * character limit for the wall message. | |
59 | * https://git.savannah.nongnu.org/cgit/sysvinit.git/tree/src/shutdown.c#n72 | |
60 | * There is no real technical need for that but doesn't make sense | |
61 | * to store arbitrary amounts either. As we are not stingy here, we | |
62 | * allow 4k. | |
63 | */ | |
64 | #define WALL_MESSAGE_MAX 4096 | |
65 | ||
5ed73478 LN |
66 | static void reset_scheduled_shutdown(Manager *m); |
67 | ||
3b92c086 LP |
68 | static int get_sender_session( |
69 | Manager *m, | |
70 | sd_bus_message *message, | |
71 | bool consult_display, | |
72 | sd_bus_error *error, | |
73 | Session **ret) { | |
aeb07570 | 74 | |
4afd3348 | 75 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
3b92c086 | 76 | Session *session = NULL; |
aeb07570 | 77 | const char *name; |
309a29df LP |
78 | int r; |
79 | ||
3b92c086 LP |
80 | /* Acquire the sender's session. This first checks if the sending process is inside a session itself, |
81 | * and returns that. If not and 'consult_display' is true, this returns the display session of the | |
82 | * owning user of the caller. */ | |
83 | ||
84 | r = sd_bus_query_sender_creds(message, | |
85 | SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT| | |
86 | (consult_display ? SD_BUS_CREDS_OWNER_UID : 0), &creds); | |
aeb07570 AJ |
87 | if (r < 0) |
88 | return r; | |
89 | ||
90 | r = sd_bus_creds_get_session(creds, &name); | |
3b92c086 LP |
91 | if (r < 0) { |
92 | if (r != -ENXIO) | |
93 | return r; | |
94 | ||
95 | if (consult_display) { | |
96 | uid_t uid; | |
97 | ||
98 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
99 | if (r < 0) { | |
100 | if (r != -ENXIO) | |
101 | return r; | |
102 | } else { | |
103 | User *user; | |
104 | ||
105 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
106 | if (user) | |
107 | session = user->display; | |
108 | } | |
109 | } | |
110 | } else | |
111 | session = hashmap_get(m->sessions, name); | |
aeb07570 | 112 | |
aeb07570 | 113 | if (!session) |
3b92c086 LP |
114 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, |
115 | consult_display ? | |
116 | "Caller does not belong to any known session and doesn't own any suitable session." : | |
117 | "Caller does not belong to any known session."); | |
aeb07570 AJ |
118 | |
119 | *ret = session; | |
120 | return 0; | |
aeb07570 AJ |
121 | } |
122 | ||
3b92c086 LP |
123 | int manager_get_session_from_creds( |
124 | Manager *m, | |
125 | sd_bus_message *message, | |
126 | const char *name, | |
127 | sd_bus_error *error, | |
128 | Session **ret) { | |
129 | ||
aeb07570 AJ |
130 | Session *session; |
131 | ||
309a29df | 132 | assert(m); |
309a29df LP |
133 | assert(ret); |
134 | ||
3b92c086 LP |
135 | if (SEAT_IS_SELF(name)) /* the caller's own session */ |
136 | return get_sender_session(m, message, false, error, ret); | |
137 | if (SEAT_IS_AUTO(name)) /* The caller's own session if they have one, otherwise their user's display session */ | |
138 | return get_sender_session(m, message, true, error, ret); | |
309a29df LP |
139 | |
140 | session = hashmap_get(m->sessions, name); | |
141 | if (!session) | |
142 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
143 | ||
144 | *ret = session; | |
145 | return 0; | |
146 | } | |
147 | ||
aeb07570 | 148 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
aeb07570 AJ |
149 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
150 | uid_t uid; | |
309a29df LP |
151 | User *user; |
152 | int r; | |
153 | ||
aeb07570 AJ |
154 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
155 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
156 | if (r < 0) | |
157 | return r; | |
158 | ||
159 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
3b92c086 LP |
160 | if (r < 0) { |
161 | if (r != -ENXIO) | |
162 | return r; | |
163 | ||
164 | user = NULL; | |
165 | } else | |
166 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
aeb07570 | 167 | |
aeb07570 | 168 | if (!user) |
3b92c086 LP |
169 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
170 | "Caller does not belong to any logged in or lingering user"); | |
aeb07570 AJ |
171 | |
172 | *ret = user; | |
173 | return 0; | |
aeb07570 AJ |
174 | } |
175 | ||
176 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
177 | User *user; | |
178 | ||
309a29df | 179 | assert(m); |
309a29df LP |
180 | assert(ret); |
181 | ||
aeb07570 AJ |
182 | if (!uid_is_valid(uid)) |
183 | return get_sender_user(m, message, error, ret); | |
309a29df | 184 | |
8cb4ab00 | 185 | user = hashmap_get(m->users, UID_TO_PTR(uid)); |
309a29df | 186 | if (!user) |
124d7cb2 ZJS |
187 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, |
188 | "User ID "UID_FMT" is not logged in or lingering", uid); | |
309a29df LP |
189 | |
190 | *ret = user; | |
191 | return 0; | |
192 | } | |
193 | ||
3b92c086 LP |
194 | int manager_get_seat_from_creds( |
195 | Manager *m, | |
196 | sd_bus_message *message, | |
197 | const char *name, | |
198 | sd_bus_error *error, | |
199 | Seat **ret) { | |
200 | ||
309a29df LP |
201 | Seat *seat; |
202 | int r; | |
203 | ||
204 | assert(m); | |
309a29df LP |
205 | assert(ret); |
206 | ||
3b92c086 | 207 | if (SEAT_IS_SELF(name) || SEAT_IS_AUTO(name)) { |
309a29df LP |
208 | Session *session; |
209 | ||
3b92c086 LP |
210 | /* Use these special seat names as session names */ |
211 | r = manager_get_session_from_creds(m, message, name, error, &session); | |
309a29df LP |
212 | if (r < 0) |
213 | return r; | |
214 | ||
215 | seat = session->seat; | |
309a29df | 216 | if (!seat) |
3b92c086 | 217 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session '%s' has no seat.", session->id); |
309a29df LP |
218 | } else { |
219 | seat = hashmap_get(m->seats, name); | |
220 | if (!seat) | |
221 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
222 | } | |
223 | ||
224 | *ret = seat; | |
225 | return 0; | |
226 | } | |
227 | ||
ce7f1070 VJ |
228 | static int return_test_polkit( |
229 | sd_bus_message *message, | |
230 | int capability, | |
231 | const char *action, | |
232 | const char **details, | |
233 | uid_t good_user, | |
234 | sd_bus_error *e) { | |
235 | ||
236 | const char *result; | |
237 | bool challenge; | |
238 | int r; | |
239 | ||
240 | r = bus_test_polkit(message, capability, action, details, good_user, &challenge, e); | |
241 | if (r < 0) | |
242 | return r; | |
243 | ||
244 | if (r > 0) | |
245 | result = "yes"; | |
246 | else if (challenge) | |
247 | result = "challenge"; | |
248 | else | |
249 | result = "no"; | |
250 | ||
251 | return sd_bus_reply_method_return(message, "s", result); | |
252 | } | |
253 | ||
cc377381 LP |
254 | static int property_get_idle_hint( |
255 | sd_bus *bus, | |
256 | const char *path, | |
257 | const char *interface, | |
258 | const char *property, | |
259 | sd_bus_message *reply, | |
ebcf1f97 LP |
260 | void *userdata, |
261 | sd_bus_error *error) { | |
a185c5aa | 262 | |
cc377381 | 263 | Manager *m = userdata; |
a185c5aa | 264 | |
cc377381 LP |
265 | assert(bus); |
266 | assert(reply); | |
267 | assert(m); | |
268 | ||
269 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
270 | } |
271 | ||
cc377381 LP |
272 | static int property_get_idle_since_hint( |
273 | sd_bus *bus, | |
274 | const char *path, | |
275 | const char *interface, | |
276 | const char *property, | |
277 | sd_bus_message *reply, | |
ebcf1f97 LP |
278 | void *userdata, |
279 | sd_bus_error *error) { | |
cc377381 LP |
280 | |
281 | Manager *m = userdata; | |
5cb14b37 | 282 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 283 | |
cc377381 LP |
284 | assert(bus); |
285 | assert(reply); | |
a185c5aa LP |
286 | assert(m); |
287 | ||
288 | manager_get_idle_hint(m, &t); | |
a185c5aa | 289 | |
cc377381 | 290 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
291 | } |
292 | ||
cc377381 LP |
293 | static int property_get_inhibited( |
294 | sd_bus *bus, | |
295 | const char *path, | |
296 | const char *interface, | |
297 | const char *property, | |
298 | sd_bus_message *reply, | |
ebcf1f97 LP |
299 | void *userdata, |
300 | sd_bus_error *error) { | |
cc377381 LP |
301 | |
302 | Manager *m = userdata; | |
f8e2fb7b | 303 | InhibitWhat w; |
f8e2fb7b | 304 | |
cc377381 LP |
305 | assert(bus); |
306 | assert(reply); | |
307 | assert(m); | |
f8e2fb7b | 308 | |
cc377381 | 309 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 310 | |
cc377381 | 311 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
312 | } |
313 | ||
cc377381 LP |
314 | static int property_get_preparing( |
315 | sd_bus *bus, | |
316 | const char *path, | |
317 | const char *interface, | |
318 | const char *property, | |
319 | sd_bus_message *reply, | |
ebcf1f97 LP |
320 | void *userdata, |
321 | sd_bus_error *error) { | |
cc377381 LP |
322 | |
323 | Manager *m = userdata; | |
5ed73478 | 324 | bool b = false; |
5e4a79da | 325 | |
cc377381 LP |
326 | assert(bus); |
327 | assert(reply); | |
328 | assert(m); | |
5e4a79da | 329 | |
5ed73478 LN |
330 | if (m->delayed_action) { |
331 | if (streq(property, "PreparingForShutdown")) | |
332 | b = m->delayed_action->inhibit_what & INHIBIT_SHUTDOWN; | |
333 | else | |
334 | b = m->delayed_action->inhibit_what & INHIBIT_SLEEP; | |
335 | } | |
5e4a79da | 336 | |
cc377381 | 337 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
338 | } |
339 | ||
8aaa023a DM |
340 | static int property_get_scheduled_shutdown( |
341 | sd_bus *bus, | |
342 | const char *path, | |
343 | const char *interface, | |
344 | const char *property, | |
345 | sd_bus_message *reply, | |
346 | void *userdata, | |
347 | sd_bus_error *error) { | |
348 | ||
349 | Manager *m = userdata; | |
350 | int r; | |
351 | ||
352 | assert(bus); | |
353 | assert(reply); | |
354 | assert(m); | |
355 | ||
356 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
357 | if (r < 0) | |
358 | return r; | |
359 | ||
5ed73478 | 360 | r = sd_bus_message_append(reply, "st", |
138224fc | 361 | m->scheduled_shutdown_type ? handle_action_to_string(m->scheduled_shutdown_type->handle) : NULL, |
5ed73478 | 362 | m->scheduled_shutdown_timeout); |
8aaa023a DM |
363 | if (r < 0) |
364 | return r; | |
365 | ||
366 | return sd_bus_message_close_container(reply); | |
367 | } | |
368 | ||
cc377381 | 369 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
01adcd69 | 370 | static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays); |
9b9c23da | 371 | static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed); |
4e96eb68 | 372 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power, "b", manager_is_on_external_power); |
01adcd69 YW |
373 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX); |
374 | static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size); | |
28414939 | 375 | |
19070062 | 376 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
377 | _cleanup_free_ char *p = NULL; |
378 | Manager *m = userdata; | |
379 | const char *name; | |
380 | Session *session; | |
381 | int r; | |
382 | ||
cc377381 LP |
383 | assert(message); |
384 | assert(m); | |
385 | ||
386 | r = sd_bus_message_read(message, "s", &name); | |
387 | if (r < 0) | |
ebcf1f97 | 388 | return r; |
cc377381 | 389 | |
309a29df LP |
390 | r = manager_get_session_from_creds(m, message, name, error, &session); |
391 | if (r < 0) | |
392 | return r; | |
cc377381 LP |
393 | |
394 | p = session_bus_path(session); | |
395 | if (!p) | |
ebcf1f97 | 396 | return -ENOMEM; |
cc377381 | 397 | |
df2d202e | 398 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
399 | } |
400 | ||
7b33c622 AJ |
401 | /* Get login session of a process. This is not what you are looking for these days, |
402 | * as apps may instead belong to a user service unit. This includes terminal | |
403 | * emulators and hence command-line apps. */ | |
19070062 | 404 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 405 | _cleanup_free_ char *p = NULL; |
954449b8 | 406 | Session *session = NULL; |
cc377381 | 407 | Manager *m = userdata; |
4e724d9c | 408 | pid_t pid; |
cc377381 LP |
409 | int r; |
410 | ||
cc377381 LP |
411 | assert(message); |
412 | assert(m); | |
413 | ||
4e724d9c LP |
414 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
415 | ||
cc377381 LP |
416 | r = sd_bus_message_read(message, "u", &pid); |
417 | if (r < 0) | |
ebcf1f97 | 418 | return r; |
07b38ba5 | 419 | if (pid < 0) |
06820eaf | 420 | return -EINVAL; |
cc377381 | 421 | |
06820eaf | 422 | if (pid == 0) { |
309a29df | 423 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
5b12334d LP |
424 | if (r < 0) |
425 | return r; | |
309a29df LP |
426 | } else { |
427 | r = manager_get_session_by_pid(m, pid, &session); | |
4e724d9c | 428 | if (r < 0) |
ebcf1f97 | 429 | return r; |
4e724d9c | 430 | |
309a29df | 431 | if (!session) |
124d7cb2 ZJS |
432 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, |
433 | "PID "PID_FMT" does not belong to any known session", pid); | |
309a29df | 434 | } |
cc377381 LP |
435 | |
436 | p = session_bus_path(session); | |
437 | if (!p) | |
ebcf1f97 | 438 | return -ENOMEM; |
cc377381 | 439 | |
df2d202e | 440 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
441 | } |
442 | ||
19070062 | 443 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
444 | _cleanup_free_ char *p = NULL; |
445 | Manager *m = userdata; | |
446 | uint32_t uid; | |
447 | User *user; | |
448 | int r; | |
449 | ||
cc377381 LP |
450 | assert(message); |
451 | assert(m); | |
452 | ||
453 | r = sd_bus_message_read(message, "u", &uid); | |
454 | if (r < 0) | |
ebcf1f97 | 455 | return r; |
cc377381 | 456 | |
309a29df LP |
457 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
458 | if (r < 0) | |
459 | return r; | |
cc377381 LP |
460 | |
461 | p = user_bus_path(user); | |
462 | if (!p) | |
ebcf1f97 | 463 | return -ENOMEM; |
cc377381 | 464 | |
df2d202e | 465 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
466 | } |
467 | ||
19070062 | 468 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
469 | _cleanup_free_ char *p = NULL; |
470 | Manager *m = userdata; | |
954449b8 | 471 | User *user = NULL; |
4e724d9c | 472 | pid_t pid; |
fb6becb4 | 473 | int r; |
98a28fef | 474 | |
cc377381 | 475 | assert(message); |
98a28fef | 476 | assert(m); |
cc377381 | 477 | |
4e724d9c LP |
478 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
479 | ||
cc377381 LP |
480 | r = sd_bus_message_read(message, "u", &pid); |
481 | if (r < 0) | |
ebcf1f97 | 482 | return r; |
07b38ba5 | 483 | if (pid < 0) |
06820eaf | 484 | return -EINVAL; |
cc377381 | 485 | |
06820eaf | 486 | if (pid == 0) { |
309a29df | 487 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
5b12334d LP |
488 | if (r < 0) |
489 | return r; | |
309a29df LP |
490 | } else { |
491 | r = manager_get_user_by_pid(m, pid, &user); | |
4e724d9c | 492 | if (r < 0) |
ebcf1f97 | 493 | return r; |
309a29df | 494 | if (!user) |
095b8833 AJ |
495 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
496 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
497 | pid); | |
4e724d9c LP |
498 | } |
499 | ||
cc377381 LP |
500 | p = user_bus_path(user); |
501 | if (!p) | |
ebcf1f97 | 502 | return -ENOMEM; |
cc377381 | 503 | |
df2d202e | 504 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 LP |
505 | } |
506 | ||
19070062 | 507 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
508 | _cleanup_free_ char *p = NULL; |
509 | Manager *m = userdata; | |
510 | const char *name; | |
511 | Seat *seat; | |
512 | int r; | |
513 | ||
98a28fef | 514 | assert(message); |
cc377381 | 515 | assert(m); |
98a28fef | 516 | |
cc377381 LP |
517 | r = sd_bus_message_read(message, "s", &name); |
518 | if (r < 0) | |
ebcf1f97 | 519 | return r; |
98a28fef | 520 | |
309a29df LP |
521 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
522 | if (r < 0) | |
523 | return r; | |
98a28fef | 524 | |
cc377381 LP |
525 | p = seat_bus_path(seat); |
526 | if (!p) | |
ebcf1f97 | 527 | return -ENOMEM; |
98a28fef | 528 | |
df2d202e | 529 | return sd_bus_reply_method_return(message, "o", p); |
cc377381 | 530 | } |
98a28fef | 531 | |
19070062 | 532 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 533 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
534 | Manager *m = userdata; |
535 | Session *session; | |
cc377381 LP |
536 | int r; |
537 | ||
cc377381 LP |
538 | assert(message); |
539 | assert(m); | |
98a28fef | 540 | |
df2d202e | 541 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 542 | if (r < 0) |
ebcf1f97 | 543 | return r; |
98a28fef | 544 | |
cc377381 LP |
545 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
546 | if (r < 0) | |
ebcf1f97 | 547 | return r; |
cc377381 | 548 | |
90e74a66 | 549 | HASHMAP_FOREACH(session, m->sessions) { |
cc377381 LP |
550 | _cleanup_free_ char *p = NULL; |
551 | ||
552 | p = session_bus_path(session); | |
553 | if (!p) | |
ebcf1f97 | 554 | return -ENOMEM; |
cc377381 LP |
555 | |
556 | r = sd_bus_message_append(reply, "(susso)", | |
557 | session->id, | |
22c902fa LP |
558 | (uint32_t) session->user->user_record->uid, |
559 | session->user->user_record->user_name, | |
cc377381 LP |
560 | session->seat ? session->seat->id : "", |
561 | p); | |
562 | if (r < 0) | |
ebcf1f97 | 563 | return r; |
cc377381 LP |
564 | } |
565 | ||
566 | r = sd_bus_message_close_container(reply); | |
567 | if (r < 0) | |
ebcf1f97 | 568 | return r; |
cc377381 | 569 | |
9030ca46 | 570 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
571 | } |
572 | ||
19070062 | 573 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 574 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
575 | Manager *m = userdata; |
576 | User *user; | |
cc377381 LP |
577 | int r; |
578 | ||
cc377381 LP |
579 | assert(message); |
580 | assert(m); | |
581 | ||
df2d202e | 582 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 583 | if (r < 0) |
ebcf1f97 | 584 | return r; |
cc377381 LP |
585 | |
586 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
587 | if (r < 0) | |
ebcf1f97 | 588 | return r; |
cc377381 | 589 | |
90e74a66 | 590 | HASHMAP_FOREACH(user, m->users) { |
cc377381 LP |
591 | _cleanup_free_ char *p = NULL; |
592 | ||
593 | p = user_bus_path(user); | |
594 | if (!p) | |
ebcf1f97 | 595 | return -ENOMEM; |
cc377381 LP |
596 | |
597 | r = sd_bus_message_append(reply, "(uso)", | |
22c902fa LP |
598 | (uint32_t) user->user_record->uid, |
599 | user->user_record->user_name, | |
cc377381 LP |
600 | p); |
601 | if (r < 0) | |
ebcf1f97 | 602 | return r; |
cc377381 LP |
603 | } |
604 | ||
605 | r = sd_bus_message_close_container(reply); | |
606 | if (r < 0) | |
ebcf1f97 | 607 | return r; |
cc377381 | 608 | |
9030ca46 | 609 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
610 | } |
611 | ||
19070062 | 612 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 613 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
614 | Manager *m = userdata; |
615 | Seat *seat; | |
cc377381 LP |
616 | int r; |
617 | ||
cc377381 LP |
618 | assert(message); |
619 | assert(m); | |
620 | ||
df2d202e | 621 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 622 | if (r < 0) |
ebcf1f97 | 623 | return r; |
cc377381 LP |
624 | |
625 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
626 | if (r < 0) | |
ebcf1f97 | 627 | return r; |
cc377381 | 628 | |
90e74a66 | 629 | HASHMAP_FOREACH(seat, m->seats) { |
cc377381 LP |
630 | _cleanup_free_ char *p = NULL; |
631 | ||
632 | p = seat_bus_path(seat); | |
633 | if (!p) | |
ebcf1f97 | 634 | return -ENOMEM; |
cc377381 | 635 | |
b8358bce | 636 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 | 637 | if (r < 0) |
ebcf1f97 | 638 | return r; |
cc377381 LP |
639 | } |
640 | ||
641 | r = sd_bus_message_close_container(reply); | |
642 | if (r < 0) | |
ebcf1f97 | 643 | return r; |
cc377381 | 644 | |
9030ca46 | 645 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
646 | } |
647 | ||
19070062 | 648 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 649 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 LP |
650 | Manager *m = userdata; |
651 | Inhibitor *inhibitor; | |
cc377381 LP |
652 | int r; |
653 | ||
19070062 LP |
654 | assert(message); |
655 | assert(m); | |
656 | ||
df2d202e | 657 | r = sd_bus_message_new_method_return(message, &reply); |
cc377381 | 658 | if (r < 0) |
ebcf1f97 | 659 | return r; |
cc377381 LP |
660 | |
661 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
662 | if (r < 0) | |
ebcf1f97 | 663 | return r; |
cc377381 | 664 | |
90e74a66 | 665 | HASHMAP_FOREACH(inhibitor, m->inhibitors) { |
cc377381 | 666 | |
dbfa3fbb | 667 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
668 | strempty(inhibit_what_to_string(inhibitor->what)), |
669 | strempty(inhibitor->who), | |
670 | strempty(inhibitor->why), | |
671 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
672 | (uint32_t) inhibitor->uid, | |
673 | (uint32_t) inhibitor->pid); | |
674 | if (r < 0) | |
ebcf1f97 | 675 | return r; |
cc377381 LP |
676 | } |
677 | ||
678 | r = sd_bus_message_close_container(reply); | |
679 | if (r < 0) | |
ebcf1f97 | 680 | return r; |
cc377381 | 681 | |
9030ca46 | 682 | return sd_bus_send(NULL, reply, NULL); |
cc377381 LP |
683 | } |
684 | ||
19070062 | 685 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
a4cd87e9 | 686 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
c7543606 | 687 | _cleanup_free_ char *id = NULL; |
cc377381 | 688 | Session *session = NULL; |
bc2b6332 | 689 | uint32_t audit_id = 0; |
cc377381 LP |
690 | Manager *m = userdata; |
691 | User *user = NULL; | |
692 | Seat *seat = NULL; | |
06820eaf LP |
693 | pid_t leader; |
694 | uid_t uid; | |
cc377381 LP |
695 | int remote; |
696 | uint32_t vtnr = 0; | |
697 | SessionType t; | |
698 | SessionClass c; | |
699 | int r; | |
700 | ||
cc377381 LP |
701 | assert(message); |
702 | assert(m); | |
703 | ||
06820eaf LP |
704 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
705 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
706 | ||
124d7cb2 ZJS |
707 | r = sd_bus_message_read(message, "uusssssussbss", |
708 | &uid, &leader, &service, &type, &class, &desktop, &cseat, | |
709 | &vtnr, &tty, &display, &remote, &remote_user, &remote_host); | |
cc377381 | 710 | if (r < 0) |
ebcf1f97 | 711 | return r; |
cc377381 | 712 | |
06820eaf | 713 | if (!uid_is_valid(uid)) |
1b09b81c | 714 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); |
bc2b6332 | 715 | if (leader < 0 || leader == 1 || leader == getpid_cached()) |
1b09b81c | 716 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
98a28fef | 717 | |
e2acb67b LP |
718 | if (isempty(type)) |
719 | t = _SESSION_TYPE_INVALID; | |
720 | else { | |
721 | t = session_type_from_string(type); | |
722 | if (t < 0) | |
124d7cb2 ZJS |
723 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
724 | "Invalid session type %s", type); | |
e2acb67b | 725 | } |
98a28fef | 726 | |
55efac6c | 727 | if (isempty(class)) |
e2acb67b LP |
728 | c = _SESSION_CLASS_INVALID; |
729 | else { | |
55efac6c | 730 | c = session_class_from_string(class); |
e2acb67b | 731 | if (c < 0) |
124d7cb2 ZJS |
732 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
733 | "Invalid session class %s", class); | |
e2acb67b | 734 | } |
55efac6c | 735 | |
a4cd87e9 LP |
736 | if (isempty(desktop)) |
737 | desktop = NULL; | |
738 | else { | |
739 | if (!string_is_safe(desktop)) | |
124d7cb2 ZJS |
740 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
741 | "Invalid desktop string %s", desktop); | |
a4cd87e9 LP |
742 | } |
743 | ||
954449b8 LP |
744 | if (isempty(cseat)) |
745 | seat = NULL; | |
98a28fef | 746 | else { |
954449b8 LP |
747 | seat = hashmap_get(m->seats, cseat); |
748 | if (!seat) | |
124d7cb2 ZJS |
749 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, |
750 | "No seat '%s' known", cseat); | |
98a28fef LP |
751 | } |
752 | ||
98a28fef | 753 | if (tty_is_vc(tty)) { |
4d6d6518 | 754 | int v; |
98a28fef | 755 | |
954449b8 | 756 | if (!seat) |
92432fcc DH |
757 | seat = m->seat0; |
758 | else if (seat != m->seat0) | |
124d7cb2 ZJS |
759 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
760 | "TTY %s is virtual console but seat %s is not seat0", tty, seat->id); | |
98a28fef | 761 | |
4d6d6518 | 762 | v = vtnr_from_tty(tty); |
4d6d6518 | 763 | if (v <= 0) |
124d7cb2 ZJS |
764 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
765 | "Cannot determine VT number from virtual console TTY %s", tty); | |
98a28fef | 766 | |
bc2b6332 | 767 | if (vtnr == 0) |
4d6d6518 LP |
768 | vtnr = (uint32_t) v; |
769 | else if (vtnr != (uint32_t) v) | |
124d7cb2 ZJS |
770 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
771 | "Specified TTY and VT number do not match"); | |
cc377381 | 772 | |
d1122ad5 LP |
773 | } else if (tty_is_console(tty)) { |
774 | ||
954449b8 | 775 | if (!seat) |
92432fcc DH |
776 | seat = m->seat0; |
777 | else if (seat != m->seat0) | |
124d7cb2 ZJS |
778 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
779 | "Console TTY specified but seat is not seat0"); | |
d1122ad5 LP |
780 | |
781 | if (vtnr != 0) | |
124d7cb2 ZJS |
782 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
783 | "Console TTY specified but VT number is not 0"); | |
978cf3c7 | 784 | } |
98a28fef | 785 | |
954449b8 | 786 | if (seat) { |
bf7825ae | 787 | if (seat_has_vts(seat)) { |
bc2b6332 | 788 | if (vtnr <= 0 || vtnr > 63) |
124d7cb2 ZJS |
789 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
790 | "VT number out of range"); | |
4d6d6518 | 791 | } else { |
d1122ad5 | 792 | if (vtnr != 0) |
124d7cb2 ZJS |
793 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
794 | "Seat has no VTs but VT number not 0"); | |
4d6d6518 LP |
795 | } |
796 | } | |
797 | ||
e2acb67b LP |
798 | if (t == _SESSION_TYPE_INVALID) { |
799 | if (!isempty(display)) | |
800 | t = SESSION_X11; | |
801 | else if (!isempty(tty)) | |
802 | t = SESSION_TTY; | |
803 | else | |
804 | t = SESSION_UNSPECIFIED; | |
805 | } | |
806 | ||
807 | if (c == _SESSION_CLASS_INVALID) { | |
a4cd87e9 | 808 | if (t == SESSION_UNSPECIFIED) |
e2acb67b | 809 | c = SESSION_BACKGROUND; |
a4cd87e9 LP |
810 | else |
811 | c = SESSION_USER; | |
e2acb67b LP |
812 | } |
813 | ||
06820eaf | 814 | if (leader == 0) { |
4afd3348 | 815 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
816 | |
817 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
818 | if (r < 0) | |
819 | return r; | |
820 | ||
5b12334d | 821 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
cc377381 | 822 | if (r < 0) |
ebcf1f97 | 823 | return r; |
9444b1f2 LP |
824 | } |
825 | ||
124d7cb2 ZJS |
826 | /* Check if we are already in a logind session. Or if we are in user@.service |
827 | * which is a special PAM session that avoids creating a logind session. */ | |
bc2b6332 | 828 | r = manager_get_user_by_pid(m, leader, NULL); |
e8a3144e AJ |
829 | if (r < 0) |
830 | return r; | |
bc2b6332 | 831 | if (r > 0) |
124d7cb2 ZJS |
832 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, |
833 | "Already running in a session or user slice"); | |
b80120c4 DH |
834 | |
835 | /* | |
836 | * Old gdm and lightdm start the user-session on the same VT as | |
837 | * the greeter session. But they destroy the greeter session | |
838 | * after the user-session and want the user-session to take | |
839 | * over the VT. We need to support this for | |
840 | * backwards-compatibility, so make sure we allow new sessions | |
cc85d562 DH |
841 | * on a VT that a greeter is running on. Furthermore, to allow |
842 | * re-logins, we have to allow a greeter to take over a used VT for | |
843 | * the exact same reasons. | |
b80120c4 | 844 | */ |
cc85d562 DH |
845 | if (c != SESSION_GREETER && |
846 | vtnr > 0 && | |
319a4f4b | 847 | vtnr < MALLOC_ELEMENTSOF(m->seat0->positions) && |
b80120c4 DH |
848 | m->seat0->positions[vtnr] && |
849 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
1b09b81c | 850 | return sd_bus_error_set(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); |
21c390cc | 851 | |
183e0738 | 852 | if (hashmap_size(m->sessions) >= m->sessions_max) |
124d7cb2 ZJS |
853 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, |
854 | "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", | |
855 | m->sessions_max); | |
183e0738 | 856 | |
3a87a86e LP |
857 | (void) audit_session_from_pid(leader, &audit_id); |
858 | if (audit_session_is_valid(audit_id)) { | |
954449b8 | 859 | /* Keep our session IDs and the audit session IDs in sync */ |
21c390cc | 860 | |
de0671ee | 861 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
ebcf1f97 | 862 | return -ENOMEM; |
21c390cc | 863 | |
b0bd159f LP |
864 | /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's |
865 | * not trust the audit data and let's better register a new ID */ | |
866 | if (hashmap_contains(m->sessions, id)) { | |
bc2b6332 | 867 | log_warning("Existing logind session ID %s used by new audit session, ignoring.", id); |
3a87a86e | 868 | audit_id = AUDIT_SESSION_INVALID; |
97b11eed | 869 | id = mfree(id); |
07714753 | 870 | } |
954449b8 | 871 | } |
07714753 | 872 | |
954449b8 | 873 | if (!id) { |
07714753 | 874 | do { |
97b11eed | 875 | id = mfree(id); |
07714753 | 876 | |
cc377381 | 877 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
ebcf1f97 | 878 | return -ENOMEM; |
07714753 | 879 | |
b0bd159f | 880 | } while (hashmap_contains(m->sessions, id)); |
98a28fef LP |
881 | } |
882 | ||
3b92c086 LP |
883 | /* The generated names should not clash with 'auto' or 'self' */ |
884 | assert(!SESSION_IS_SELF(id)); | |
885 | assert(!SESSION_IS_AUTO(id)); | |
886 | ||
5238e957 | 887 | /* If we are not watching utmp already, try again */ |
3d0ef5c7 LP |
888 | manager_reconnect_utmp(m); |
889 | ||
954449b8 | 890 | r = manager_add_user_by_uid(m, uid, &user); |
ebcf1f97 | 891 | if (r < 0) |
954449b8 LP |
892 | goto fail; |
893 | ||
9444b1f2 | 894 | r = manager_add_session(m, id, &session); |
ebcf1f97 | 895 | if (r < 0) |
98a28fef LP |
896 | goto fail; |
897 | ||
9444b1f2 | 898 | session_set_user(session, user); |
fe3ab845 YW |
899 | r = session_set_leader(session, leader); |
900 | if (r < 0) | |
901 | goto fail; | |
9444b1f2 | 902 | |
db72aea4 | 903 | session->original_type = session->type = t; |
55efac6c | 904 | session->class = c; |
98a28fef | 905 | session->remote = remote; |
98a28fef LP |
906 | session->vtnr = vtnr; |
907 | ||
98a28fef LP |
908 | if (!isempty(tty)) { |
909 | session->tty = strdup(tty); | |
910 | if (!session->tty) { | |
ebcf1f97 | 911 | r = -ENOMEM; |
98a28fef LP |
912 | goto fail; |
913 | } | |
3d0ef5c7 LP |
914 | |
915 | session->tty_validity = TTY_FROM_PAM; | |
98a28fef LP |
916 | } |
917 | ||
918 | if (!isempty(display)) { | |
919 | session->display = strdup(display); | |
920 | if (!session->display) { | |
ebcf1f97 | 921 | r = -ENOMEM; |
98a28fef LP |
922 | goto fail; |
923 | } | |
924 | } | |
925 | ||
926 | if (!isempty(remote_user)) { | |
927 | session->remote_user = strdup(remote_user); | |
928 | if (!session->remote_user) { | |
ebcf1f97 | 929 | r = -ENOMEM; |
98a28fef LP |
930 | goto fail; |
931 | } | |
932 | } | |
933 | ||
934 | if (!isempty(remote_host)) { | |
935 | session->remote_host = strdup(remote_host); | |
936 | if (!session->remote_host) { | |
ebcf1f97 | 937 | r = -ENOMEM; |
98a28fef LP |
938 | goto fail; |
939 | } | |
940 | } | |
941 | ||
942 | if (!isempty(service)) { | |
943 | session->service = strdup(service); | |
944 | if (!session->service) { | |
ebcf1f97 | 945 | r = -ENOMEM; |
98a28fef LP |
946 | goto fail; |
947 | } | |
948 | } | |
949 | ||
a4cd87e9 LP |
950 | if (!isempty(desktop)) { |
951 | session->desktop = strdup(desktop); | |
952 | if (!session->desktop) { | |
953 | r = -ENOMEM; | |
954 | goto fail; | |
955 | } | |
956 | } | |
957 | ||
954449b8 LP |
958 | if (seat) { |
959 | r = seat_attach_session(seat, session); | |
ebcf1f97 | 960 | if (r < 0) |
98a28fef LP |
961 | goto fail; |
962 | } | |
963 | ||
22f93314 JS |
964 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
965 | if (r < 0) | |
d88ffeee | 966 | goto fail; |
22f93314 | 967 | |
25a1ab4e | 968 | r = session_start(session, message, error); |
22f93314 JS |
969 | if (r < 0) |
970 | goto fail; | |
971 | ||
972 | r = sd_bus_message_exit_container(message); | |
ebcf1f97 | 973 | if (r < 0) |
98a28fef LP |
974 | goto fail; |
975 | ||
cc377381 | 976 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 977 | |
bc2b6332 | 978 | /* Now, let's wait until the slice unit and stuff got created. We send the reply back from |
f7340ab2 | 979 | * session_send_create_reply(). */ |
cba38758 | 980 | |
cc377381 | 981 | return 1; |
98a28fef LP |
982 | |
983 | fail: | |
98a28fef LP |
984 | if (session) |
985 | session_add_to_gc_queue(session); | |
986 | ||
987 | if (user) | |
988 | user_add_to_gc_queue(user); | |
989 | ||
98a28fef LP |
990 | return r; |
991 | } | |
992 | ||
19070062 | 993 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
994 | Manager *m = userdata; |
995 | Session *session; | |
996 | const char *name; | |
997 | int r; | |
314b4b0a | 998 | |
cc377381 LP |
999 | assert(message); |
1000 | assert(m); | |
1001 | ||
1002 | r = sd_bus_message_read(message, "s", &name); | |
1003 | if (r < 0) | |
ebcf1f97 | 1004 | return r; |
cc377381 | 1005 | |
309a29df LP |
1006 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1007 | if (r < 0) | |
1008 | return r; | |
cc377381 | 1009 | |
ad8780c9 ZJS |
1010 | r = session_release(session); |
1011 | if (r < 0) | |
1012 | return r; | |
cc377381 | 1013 | |
df2d202e | 1014 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1015 | } |
1016 | ||
19070062 | 1017 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1018 | Manager *m = userdata; |
1019 | Session *session; | |
1020 | const char *name; | |
1021 | int r; | |
f8e2fb7b | 1022 | |
cc377381 | 1023 | assert(message); |
f8e2fb7b | 1024 | assert(m); |
cc377381 LP |
1025 | |
1026 | r = sd_bus_message_read(message, "s", &name); | |
1027 | if (r < 0) | |
ebcf1f97 | 1028 | return r; |
cc377381 | 1029 | |
309a29df LP |
1030 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1031 | if (r < 0) | |
1032 | return r; | |
cc377381 | 1033 | |
4acf0cfd LP |
1034 | /* PolicyKit is done by bus_session_method_activate() */ |
1035 | ||
19070062 | 1036 | return bus_session_method_activate(message, session, error); |
cc377381 LP |
1037 | } |
1038 | ||
19070062 | 1039 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1040 | const char *session_name, *seat_name; |
1041 | Manager *m = userdata; | |
1042 | Session *session; | |
1043 | Seat *seat; | |
1044 | int r; | |
1045 | ||
f8e2fb7b | 1046 | assert(message); |
cc377381 | 1047 | assert(m); |
f8e2fb7b | 1048 | |
3b92c086 | 1049 | /* Same as ActivateSession() but refuses to work if the seat doesn't match */ |
f8e2fb7b | 1050 | |
cc377381 LP |
1051 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
1052 | if (r < 0) | |
ebcf1f97 | 1053 | return r; |
eecd1362 | 1054 | |
309a29df LP |
1055 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
1056 | if (r < 0) | |
1057 | return r; | |
beaafb2e | 1058 | |
309a29df LP |
1059 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
1060 | if (r < 0) | |
1061 | return r; | |
314b4b0a | 1062 | |
cc377381 | 1063 | if (session->seat != seat) |
124d7cb2 ZJS |
1064 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, |
1065 | "Session %s not on seat %s", session_name, seat_name); | |
cc377381 | 1066 | |
7820a56c | 1067 | r = check_polkit_chvt(message, m, error); |
4acf0cfd LP |
1068 | if (r < 0) |
1069 | return r; | |
1070 | if (r == 0) | |
1071 | return 1; /* Will call us back */ | |
1072 | ||
cc377381 | 1073 | r = session_activate(session); |
f8e2fb7b | 1074 | if (r < 0) |
ebcf1f97 | 1075 | return r; |
f8e2fb7b | 1076 | |
df2d202e | 1077 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 1078 | } |
f8e2fb7b | 1079 | |
19070062 | 1080 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1081 | Manager *m = userdata; |
1082 | Session *session; | |
1083 | const char *name; | |
1084 | int r; | |
f8e2fb7b | 1085 | |
cc377381 LP |
1086 | assert(message); |
1087 | assert(m); | |
f8e2fb7b | 1088 | |
cc377381 LP |
1089 | r = sd_bus_message_read(message, "s", &name); |
1090 | if (r < 0) | |
ebcf1f97 | 1091 | return r; |
f8e2fb7b | 1092 | |
309a29df LP |
1093 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1094 | if (r < 0) | |
1095 | return r; | |
f8e2fb7b | 1096 | |
19070062 | 1097 | return bus_session_method_lock(message, session, error); |
cc377381 | 1098 | } |
f8e2fb7b | 1099 | |
19070062 | 1100 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1101 | Manager *m = userdata; |
1102 | int r; | |
f8e2fb7b | 1103 | |
cc377381 LP |
1104 | assert(message); |
1105 | assert(m); | |
f8e2fb7b | 1106 | |
c529695e LP |
1107 | r = bus_verify_polkit_async( |
1108 | message, | |
1109 | CAP_SYS_ADMIN, | |
1110 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 1111 | NULL, |
c529695e LP |
1112 | false, |
1113 | UID_INVALID, | |
1114 | &m->polkit_registry, | |
1115 | error); | |
1116 | if (r < 0) | |
1117 | return r; | |
1118 | if (r == 0) | |
1119 | return 1; /* Will call us back */ | |
1120 | ||
cc377381 LP |
1121 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1122 | if (r < 0) | |
ebcf1f97 | 1123 | return r; |
f8e2fb7b | 1124 | |
df2d202e | 1125 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1126 | } |
1127 | ||
19070062 | 1128 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c529695e | 1129 | const char *name; |
cc377381 LP |
1130 | Manager *m = userdata; |
1131 | Session *session; | |
cc377381 LP |
1132 | int r; |
1133 | ||
cc377381 LP |
1134 | assert(message); |
1135 | assert(m); | |
1136 | ||
c529695e | 1137 | r = sd_bus_message_read(message, "s", &name); |
cc377381 | 1138 | if (r < 0) |
ebcf1f97 | 1139 | return r; |
cc377381 | 1140 | |
309a29df LP |
1141 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1142 | if (r < 0) | |
1143 | return r; | |
f8e2fb7b | 1144 | |
19070062 | 1145 | return bus_session_method_kill(message, session, error); |
cc377381 | 1146 | } |
f8e2fb7b | 1147 | |
19070062 | 1148 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1149 | Manager *m = userdata; |
1150 | uint32_t uid; | |
cc377381 LP |
1151 | User *user; |
1152 | int r; | |
f8e2fb7b | 1153 | |
cc377381 LP |
1154 | assert(message); |
1155 | assert(m); | |
1156 | ||
c529695e | 1157 | r = sd_bus_message_read(message, "u", &uid); |
cc377381 | 1158 | if (r < 0) |
ebcf1f97 | 1159 | return r; |
cc377381 | 1160 | |
309a29df LP |
1161 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1162 | if (r < 0) | |
1163 | return r; | |
cc377381 | 1164 | |
19070062 | 1165 | return bus_user_method_kill(message, user, error); |
cc377381 LP |
1166 | } |
1167 | ||
19070062 | 1168 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1169 | Manager *m = userdata; |
1170 | const char *name; | |
1171 | Session *session; | |
1172 | int r; | |
1173 | ||
cc377381 LP |
1174 | assert(message); |
1175 | assert(m); | |
1176 | ||
1177 | r = sd_bus_message_read(message, "s", &name); | |
1178 | if (r < 0) | |
ebcf1f97 | 1179 | return r; |
cc377381 | 1180 | |
309a29df LP |
1181 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1182 | if (r < 0) | |
1183 | return r; | |
cc377381 | 1184 | |
19070062 | 1185 | return bus_session_method_terminate(message, session, error); |
cc377381 LP |
1186 | } |
1187 | ||
19070062 | 1188 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1189 | Manager *m = userdata; |
1190 | uint32_t uid; | |
1191 | User *user; | |
1192 | int r; | |
1193 | ||
cc377381 LP |
1194 | assert(message); |
1195 | assert(m); | |
1196 | ||
1197 | r = sd_bus_message_read(message, "u", &uid); | |
1198 | if (r < 0) | |
ebcf1f97 | 1199 | return r; |
cc377381 | 1200 | |
309a29df LP |
1201 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1202 | if (r < 0) | |
1203 | return r; | |
cc377381 | 1204 | |
19070062 | 1205 | return bus_user_method_terminate(message, user, error); |
cc377381 LP |
1206 | } |
1207 | ||
19070062 | 1208 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1209 | Manager *m = userdata; |
1210 | const char *name; | |
1211 | Seat *seat; | |
1212 | int r; | |
1213 | ||
cc377381 LP |
1214 | assert(message); |
1215 | assert(m); | |
1216 | ||
1217 | r = sd_bus_message_read(message, "s", &name); | |
1218 | if (r < 0) | |
ebcf1f97 | 1219 | return r; |
cc377381 | 1220 | |
309a29df LP |
1221 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1222 | if (r < 0) | |
1223 | return r; | |
cc377381 | 1224 | |
19070062 | 1225 | return bus_seat_method_terminate(message, seat, error); |
cc377381 LP |
1226 | } |
1227 | ||
19070062 | 1228 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
34160d91 | 1229 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
1230 | _cleanup_free_ char *cc = NULL; |
1231 | Manager *m = userdata; | |
152199f2 | 1232 | int r, b, interactive; |
cc377381 LP |
1233 | struct passwd *pw; |
1234 | const char *path; | |
34160d91 | 1235 | uint32_t uid, auth_uid; |
cc377381 | 1236 | |
cc377381 LP |
1237 | assert(message); |
1238 | assert(m); | |
1239 | ||
1240 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1241 | if (r < 0) | |
ebcf1f97 | 1242 | return r; |
cc377381 | 1243 | |
34160d91 AJ |
1244 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1245 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1246 | if (r < 0) | |
1247 | return r; | |
309a29df | 1248 | |
34160d91 AJ |
1249 | if (!uid_is_valid(uid)) { |
1250 | /* Note that we get the owner UID of the session or user unit, | |
1251 | * not the actual client UID here! */ | |
309a29df LP |
1252 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1253 | if (r < 0) | |
1254 | return r; | |
34160d91 | 1255 | } |
06820eaf | 1256 | |
34160d91 AJ |
1257 | /* owner_uid is racy, so for authorization we must use euid */ |
1258 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1259 | if (r < 0) | |
1260 | return r; | |
309a29df | 1261 | |
cc377381 LP |
1262 | errno = 0; |
1263 | pw = getpwuid(uid); | |
1264 | if (!pw) | |
66855de7 | 1265 | return errno_or_else(ENOENT); |
cc377381 | 1266 | |
f3885791 LP |
1267 | r = bus_verify_polkit_async( |
1268 | message, | |
1269 | CAP_SYS_ADMIN, | |
34160d91 AJ |
1270 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1271 | "org.freedesktop.login1.set-user-linger", | |
403ed0e5 | 1272 | NULL, |
f3885791 | 1273 | interactive, |
c529695e | 1274 | UID_INVALID, |
f3885791 LP |
1275 | &m->polkit_registry, |
1276 | error); | |
cc377381 | 1277 | if (r < 0) |
ebcf1f97 | 1278 | return r; |
cc377381 LP |
1279 | if (r == 0) |
1280 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1281 | ||
6e5dcce4 | 1282 | (void) mkdir_p_label("/var/lib/systemd", 0755); |
37c1d5e9 | 1283 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE); |
cc377381 | 1284 | if (r < 0) |
ebcf1f97 | 1285 | return r; |
cc377381 LP |
1286 | |
1287 | cc = cescape(pw->pw_name); | |
1288 | if (!cc) | |
ebcf1f97 | 1289 | return -ENOMEM; |
cc377381 | 1290 | |
63c372cb | 1291 | path = strjoina("/var/lib/systemd/linger/", cc); |
cc377381 LP |
1292 | if (b) { |
1293 | User *u; | |
1294 | ||
1295 | r = touch(path); | |
1296 | if (r < 0) | |
ebcf1f97 | 1297 | return r; |
cc377381 LP |
1298 | |
1299 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1300 | user_start(u); | |
1301 | ||
1302 | } else { | |
1303 | User *u; | |
1304 | ||
1305 | r = unlink(path); | |
1306 | if (r < 0 && errno != ENOENT) | |
ebcf1f97 | 1307 | return -errno; |
cc377381 | 1308 | |
8cb4ab00 | 1309 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
cc377381 LP |
1310 | if (u) |
1311 | user_add_to_gc_queue(u); | |
1312 | } | |
1313 | ||
df2d202e | 1314 | return sd_bus_reply_method_return(message, NULL); |
f8e2fb7b LP |
1315 | } |
1316 | ||
4f209af7 YW |
1317 | static int trigger_device(Manager *m, sd_device *d) { |
1318 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
b668e064 LP |
1319 | int r; |
1320 | ||
1321 | assert(m); | |
1322 | ||
4f209af7 YW |
1323 | r = sd_device_enumerator_new(&e); |
1324 | if (r < 0) | |
1325 | return r; | |
1326 | ||
1327 | r = sd_device_enumerator_allow_uninitialized(e); | |
1328 | if (r < 0) | |
1329 | return r; | |
b668e064 | 1330 | |
2eb916cd | 1331 | if (d) { |
4f209af7 | 1332 | r = sd_device_enumerator_add_match_parent(e, d); |
06acf2d4 LP |
1333 | if (r < 0) |
1334 | return r; | |
2eb916cd LP |
1335 | } |
1336 | ||
8437c059 | 1337 | FOREACH_DEVICE(e, d) { |
d8021ea1 | 1338 | r = sd_device_trigger(d, SD_DEVICE_CHANGE); |
4f209af7 | 1339 | if (r < 0) |
d8021ea1 | 1340 | log_device_debug_errno(d, r, "Failed to trigger device, ignoring: %m"); |
b668e064 LP |
1341 | } |
1342 | ||
06acf2d4 | 1343 | return 0; |
b668e064 LP |
1344 | } |
1345 | ||
47a26690 | 1346 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
4f209af7 | 1347 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
7fd1b19b | 1348 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1349 | const char *id_for_seat; |
47a26690 LP |
1350 | int r; |
1351 | ||
1352 | assert(m); | |
1353 | assert(seat); | |
1354 | assert(sysfs); | |
1355 | ||
4f209af7 YW |
1356 | r = sd_device_new_from_syspath(&d, sysfs); |
1357 | if (r < 0) | |
1358 | return r; | |
47a26690 | 1359 | |
643bb924 | 1360 | if (sd_device_has_current_tag(d, "seat") <= 0) |
06acf2d4 | 1361 | return -ENODEV; |
47a26690 | 1362 | |
4f209af7 | 1363 | if (sd_device_get_property_value(d, "ID_FOR_SEAT", &id_for_seat) < 0) |
06acf2d4 | 1364 | return -ENODEV; |
47a26690 | 1365 | |
06acf2d4 LP |
1366 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) |
1367 | return -ENOMEM; | |
47a26690 | 1368 | |
06acf2d4 LP |
1369 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) |
1370 | return -ENOMEM; | |
47a26690 | 1371 | |
4f209af7 | 1372 | (void) mkdir_p_label("/etc/udev/rules.d", 0755); |
574d5f2d | 1373 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 | 1374 | if (r < 0) |
06acf2d4 | 1375 | return r; |
47a26690 | 1376 | |
06acf2d4 | 1377 | return trigger_device(m, d); |
47a26690 LP |
1378 | } |
1379 | ||
b668e064 | 1380 | static int flush_devices(Manager *m) { |
c2b2df60 | 1381 | _cleanup_closedir_ DIR *d = NULL; |
b668e064 LP |
1382 | |
1383 | assert(m); | |
1384 | ||
1385 | d = opendir("/etc/udev/rules.d"); | |
1386 | if (!d) { | |
1387 | if (errno != ENOENT) | |
56f64d95 | 1388 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
c7f0d9e5 | 1389 | } else |
8fb3f009 | 1390 | FOREACH_DIRENT_ALL(de, d, break) { |
b668e064 LP |
1391 | if (!dirent_is_file(de)) |
1392 | continue; | |
1393 | ||
1394 | if (!startswith(de->d_name, "72-seat-")) | |
1395 | continue; | |
1396 | ||
1397 | if (!endswith(de->d_name, ".rules")) | |
1398 | continue; | |
1399 | ||
1400 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
56f64d95 | 1401 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
b668e064 | 1402 | } |
b668e064 LP |
1403 | |
1404 | return trigger_device(m, NULL); | |
1405 | } | |
1406 | ||
19070062 | 1407 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1408 | const char *sysfs, *seat; |
1409 | Manager *m = userdata; | |
1410 | int interactive, r; | |
1411 | ||
cc377381 LP |
1412 | assert(message); |
1413 | assert(m); | |
1414 | ||
1415 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1416 | if (r < 0) | |
ebcf1f97 | 1417 | return r; |
cc377381 | 1418 | |
bda06130 LP |
1419 | if (!path_is_normalized(sysfs)) |
1420 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not normalized", sysfs); | |
cc377381 | 1421 | if (!path_startswith(sysfs, "/sys")) |
ebcf1f97 | 1422 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); |
cc377381 | 1423 | |
ed179418 LP |
1424 | if (SEAT_IS_SELF(seat) || SEAT_IS_AUTO(seat)) { |
1425 | Seat *found; | |
1426 | ||
1427 | r = manager_get_seat_from_creds(m, message, seat, error, &found); | |
1428 | if (r < 0) | |
1429 | return r; | |
1430 | ||
1431 | seat = found->id; | |
1432 | ||
1433 | } else if (!seat_name_is_valid(seat)) /* Note that a seat does not have to exist yet for this operation to succeed */ | |
1434 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat name %s is not valid", seat); | |
cc377381 | 1435 | |
f3885791 LP |
1436 | r = bus_verify_polkit_async( |
1437 | message, | |
1438 | CAP_SYS_ADMIN, | |
1439 | "org.freedesktop.login1.attach-device", | |
403ed0e5 | 1440 | NULL, |
f3885791 | 1441 | interactive, |
c529695e | 1442 | UID_INVALID, |
f3885791 LP |
1443 | &m->polkit_registry, |
1444 | error); | |
cc377381 | 1445 | if (r < 0) |
ebcf1f97 | 1446 | return r; |
cc377381 LP |
1447 | if (r == 0) |
1448 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1449 | ||
1450 | r = attach_device(m, seat, sysfs); | |
1451 | if (r < 0) | |
ebcf1f97 | 1452 | return r; |
cc377381 | 1453 | |
df2d202e | 1454 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1455 | } |
1456 | ||
19070062 | 1457 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
1458 | Manager *m = userdata; |
1459 | int interactive, r; | |
1460 | ||
cc377381 LP |
1461 | assert(message); |
1462 | assert(m); | |
1463 | ||
1464 | r = sd_bus_message_read(message, "b", &interactive); | |
1465 | if (r < 0) | |
ebcf1f97 | 1466 | return r; |
cc377381 | 1467 | |
f3885791 LP |
1468 | r = bus_verify_polkit_async( |
1469 | message, | |
1470 | CAP_SYS_ADMIN, | |
1471 | "org.freedesktop.login1.flush-devices", | |
403ed0e5 | 1472 | NULL, |
f3885791 | 1473 | interactive, |
c529695e | 1474 | UID_INVALID, |
f3885791 LP |
1475 | &m->polkit_registry, |
1476 | error); | |
cc377381 | 1477 | if (r < 0) |
ebcf1f97 | 1478 | return r; |
cc377381 LP |
1479 | if (r == 0) |
1480 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1481 | ||
1482 | r = flush_devices(m); | |
1483 | if (r < 0) | |
ebcf1f97 | 1484 | return r; |
cc377381 | 1485 | |
df2d202e | 1486 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
1487 | } |
1488 | ||
89f13440 | 1489 | static int have_multiple_sessions( |
89f13440 | 1490 | Manager *m, |
409133be | 1491 | uid_t uid) { |
89f13440 | 1492 | |
2154761f | 1493 | Session *session; |
89f13440 LP |
1494 | |
1495 | assert(m); | |
1496 | ||
1ca04b87 LP |
1497 | /* Check for other users' sessions. Greeter sessions do not |
1498 | * count, and non-login sessions do not count either. */ | |
90e74a66 | 1499 | HASHMAP_FOREACH(session, m->sessions) |
1ca04b87 | 1500 | if (session->class == SESSION_USER && |
22c902fa | 1501 | session->user->user_record->uid != uid) |
2154761f | 1502 | return true; |
89f13440 LP |
1503 | |
1504 | return false; | |
1505 | } | |
1506 | ||
836fb00f YA |
1507 | static int bus_manager_log_shutdown( |
1508 | Manager *m, | |
5ed73478 | 1509 | const ActionTableItem *a) { |
836fb00f | 1510 | |
d2fc0ecf | 1511 | const char *message, *log_message; |
836fb00f | 1512 | |
5ed73478 LN |
1513 | assert(m); |
1514 | assert(a); | |
836fb00f | 1515 | |
5ed73478 | 1516 | message = a->message; |
d2fc0ecf | 1517 | log_message = a->log_message; |
836fb00f | 1518 | |
5ed73478 LN |
1519 | if (message) |
1520 | message = strjoina("MESSAGE=", message); | |
1521 | else | |
1522 | message = "MESSAGE=System is shutting down"; | |
836fb00f | 1523 | |
5ed73478 LN |
1524 | if (isempty(m->wall_message)) |
1525 | message = strjoina(message, "."); | |
1526 | else | |
1527 | message = strjoina(message, " (", m->wall_message, ")."); | |
836fb00f | 1528 | |
d2fc0ecf LN |
1529 | if (log_message) |
1530 | log_message = strjoina("SHUTDOWN=", log_message); | |
836fb00f | 1531 | |
5ed73478 LN |
1532 | return log_struct(LOG_NOTICE, |
1533 | "MESSAGE_ID=%s", a->message_id ? a->message_id : SD_MESSAGE_SHUTDOWN_STR, | |
1534 | message, | |
d2fc0ecf | 1535 | log_message); |
314b4b0a LP |
1536 | } |
1537 | ||
b5d3e168 KS |
1538 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
1539 | Manager *m = userdata; | |
1540 | ||
1541 | assert(e); | |
1542 | assert(m); | |
1543 | ||
1544 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1549 | int r; | |
1550 | ||
1551 | assert(m); | |
1552 | ||
1553 | if (until <= now(CLOCK_MONOTONIC)) | |
1554 | return 0; | |
1555 | ||
1556 | /* We want to ignore the lid switch for a while after each | |
1557 | * suspend, and after boot-up. Hence let's install a timer for | |
1558 | * this. As long as the event source exists we ignore the lid | |
1559 | * switch. */ | |
1560 | ||
1561 | if (m->lid_switch_ignore_event_source) { | |
1562 | usec_t u; | |
1563 | ||
1564 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1565 | if (r < 0) | |
1566 | return r; | |
1567 | ||
1568 | if (until <= u) | |
1569 | return 0; | |
1570 | ||
1571 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1572 | } else | |
6a0f1f6d LP |
1573 | r = sd_event_add_time( |
1574 | m->event, | |
1575 | &m->lid_switch_ignore_event_source, | |
1576 | CLOCK_MONOTONIC, | |
1577 | until, 0, | |
1578 | lid_switch_ignore_handler, m); | |
b5d3e168 KS |
1579 | |
1580 | return r; | |
1581 | } | |
1582 | ||
6d7f7fd4 | 1583 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
6d7f7fd4 AJ |
1584 | int active = _active; |
1585 | ||
1586 | assert(m); | |
06c2f0a8 | 1587 | assert(IN_SET(w, INHIBIT_SHUTDOWN, INHIBIT_SLEEP)); |
6d7f7fd4 AJ |
1588 | |
1589 | return sd_bus_emit_signal(m->bus, | |
1590 | "/org/freedesktop/login1", | |
1591 | "org.freedesktop.login1.Manager", | |
06c2f0a8 | 1592 | w == INHIBIT_SHUTDOWN ? "PrepareForShutdown" : "PrepareForSleep", |
6d7f7fd4 AJ |
1593 | "b", |
1594 | active); | |
1595 | } | |
1596 | ||
314b4b0a LP |
1597 | static int execute_shutdown_or_sleep( |
1598 | Manager *m, | |
5ed73478 | 1599 | const ActionTableItem *a, |
cc377381 | 1600 | sd_bus_error *error) { |
314b4b0a | 1601 | |
4afd3348 | 1602 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cc377381 | 1603 | const char *p; |
cc377381 | 1604 | int r; |
eecd1362 | 1605 | |
af9792ac | 1606 | assert(m); |
5ed73478 | 1607 | assert(a); |
eecd1362 | 1608 | |
5ed73478 LN |
1609 | if (a->inhibit_what == INHIBIT_SHUTDOWN) |
1610 | bus_manager_log_shutdown(m, a); | |
314b4b0a | 1611 | |
5d990cc5 | 1612 | r = bus_call_method( |
df75a1a8 | 1613 | m->bus, |
5d990cc5 | 1614 | bus_systemd_mgr, |
df75a1a8 AJ |
1615 | "StartUnit", |
1616 | error, | |
1617 | &reply, | |
5ed73478 | 1618 | "ss", a->target, "replace-irreversibly"); |
df75a1a8 | 1619 | if (r < 0) |
6d7f7fd4 | 1620 | goto error; |
af9792ac | 1621 | |
df75a1a8 AJ |
1622 | r = sd_bus_message_read(reply, "o", &p); |
1623 | if (r < 0) | |
6d7f7fd4 | 1624 | goto error; |
af9792ac | 1625 | |
6b9f8b71 YW |
1626 | r = free_and_strdup(&m->action_job, p); |
1627 | if (r < 0) | |
6d7f7fd4 | 1628 | goto error; |
af9792ac | 1629 | |
5ed73478 | 1630 | m->delayed_action = a; |
af9792ac | 1631 | |
f9cd6be1 | 1632 | /* Make sure the lid switch is ignored for a while */ |
496db330 | 1633 | manager_set_lid_switch_ignore(m, usec_add(now(CLOCK_MONOTONIC), m->holdoff_timeout_usec)); |
f9cd6be1 | 1634 | |
af9792ac | 1635 | return 0; |
6d7f7fd4 AJ |
1636 | |
1637 | error: | |
1638 | /* Tell people that they now may take a lock again */ | |
5ed73478 | 1639 | (void) send_prepare_for(m, a->inhibit_what, false); |
6d7f7fd4 AJ |
1640 | |
1641 | return r; | |
eecd1362 LP |
1642 | } |
1643 | ||
418b22b8 | 1644 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
4afd3348 | 1645 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
c0f32805 | 1646 | Inhibitor *offending = NULL; |
c0f32805 DM |
1647 | int r; |
1648 | ||
1649 | assert(manager); | |
c0f32805 | 1650 | |
5ed73478 | 1651 | if (!manager->delayed_action || manager->action_job) |
c0f32805 DM |
1652 | return 0; |
1653 | ||
5ed73478 | 1654 | if (manager_is_inhibited(manager, manager->delayed_action->inhibit_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { |
c0f32805 DM |
1655 | _cleanup_free_ char *comm = NULL, *u = NULL; |
1656 | ||
418b22b8 DM |
1657 | if (!timeout) |
1658 | return 0; | |
1659 | ||
c0f32805 DM |
1660 | (void) get_process_comm(offending->pid, &comm); |
1661 | u = uid_to_name(offending->uid); | |
1662 | ||
1663 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1664 | offending->uid, strna(u), | |
1665 | offending->pid, strna(comm)); | |
1666 | } | |
1667 | ||
1668 | /* Actually do the operation */ | |
5ed73478 | 1669 | r = execute_shutdown_or_sleep(manager, manager->delayed_action, &error); |
c0f32805 | 1670 | if (r < 0) { |
6d7f7fd4 AJ |
1671 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1672 | bus_error_message(&error, r)); | |
c0f32805 | 1673 | |
5ed73478 | 1674 | manager->delayed_action = NULL; |
c0f32805 DM |
1675 | } |
1676 | ||
8207b832 | 1677 | return 1; /* We did some work. */ |
418b22b8 DM |
1678 | } |
1679 | ||
1680 | static int manager_inhibit_timeout_handler( | |
1681 | sd_event_source *s, | |
1682 | uint64_t usec, | |
1683 | void *userdata) { | |
1684 | ||
1685 | Manager *manager = userdata; | |
418b22b8 DM |
1686 | |
1687 | assert(manager); | |
1688 | assert(manager->inhibit_timeout_source == s); | |
1689 | ||
8207b832 | 1690 | return manager_dispatch_delayed(manager, true); |
c0f32805 DM |
1691 | } |
1692 | ||
314b4b0a LP |
1693 | static int delay_shutdown_or_sleep( |
1694 | Manager *m, | |
5ed73478 | 1695 | const ActionTableItem *a) { |
eecd1362 | 1696 | |
c0f32805 | 1697 | int r; |
c0f32805 | 1698 | |
eecd1362 | 1699 | assert(m); |
5ed73478 | 1700 | assert(a); |
eecd1362 | 1701 | |
c0f32805 | 1702 | if (m->inhibit_timeout_source) { |
39cf0351 | 1703 | r = sd_event_source_set_time_relative(m->inhibit_timeout_source, m->inhibit_delay_max); |
c0f32805 | 1704 | if (r < 0) |
39cf0351 | 1705 | return log_error_errno(r, "sd_event_source_set_time_relative() failed: %m"); |
c0f32805 DM |
1706 | |
1707 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1708 | if (r < 0) | |
c2a23db0 | 1709 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
c0f32805 | 1710 | } else { |
39cf0351 LP |
1711 | r = sd_event_add_time_relative( |
1712 | m->event, | |
1713 | &m->inhibit_timeout_source, | |
1714 | CLOCK_MONOTONIC, m->inhibit_delay_max, 0, | |
1715 | manager_inhibit_timeout_handler, m); | |
c0f32805 DM |
1716 | if (r < 0) |
1717 | return r; | |
1718 | } | |
1719 | ||
5ed73478 | 1720 | m->delayed_action = a; |
d889a206 LP |
1721 | |
1722 | return 0; | |
1723 | } | |
1724 | ||
069cfc85 LP |
1725 | int bus_manager_shutdown_or_sleep_now_or_later( |
1726 | Manager *m, | |
5ed73478 | 1727 | const ActionTableItem *a, |
cc377381 | 1728 | sd_bus_error *error) { |
069cfc85 | 1729 | |
c8c8ee85 | 1730 | _cleanup_free_ char *load_state = NULL; |
069cfc85 LP |
1731 | bool delayed; |
1732 | int r; | |
1733 | ||
1734 | assert(m); | |
5ed73478 | 1735 | assert(a); |
af9792ac | 1736 | assert(!m->action_job); |
069cfc85 | 1737 | |
5ed73478 | 1738 | r = unit_load_state(m->bus, a->target, &load_state); |
c8c8ee85 ZJS |
1739 | if (r < 0) |
1740 | return r; | |
1741 | ||
baaa35ad ZJS |
1742 | if (!streq(load_state, "loaded")) |
1743 | return log_notice_errno(SYNTHETIC_ERRNO(EACCES), | |
1744 | "Unit %s is %s, refusing operation.", | |
5ed73478 | 1745 | a->target, load_state); |
c8c8ee85 | 1746 | |
314b4b0a | 1747 | /* Tell everybody to prepare for shutdown/sleep */ |
5ed73478 | 1748 | (void) send_prepare_for(m, a->inhibit_what, true); |
314b4b0a | 1749 | |
069cfc85 LP |
1750 | delayed = |
1751 | m->inhibit_delay_max > 0 && | |
5ed73478 | 1752 | manager_is_inhibited(m, a->inhibit_what, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
069cfc85 LP |
1753 | |
1754 | if (delayed) | |
1755 | /* Shutdown is delayed, keep in mind what we | |
1756 | * want to do, and start a timeout */ | |
5ed73478 | 1757 | r = delay_shutdown_or_sleep(m, a); |
314b4b0a | 1758 | else |
069cfc85 LP |
1759 | /* Shutdown is not delayed, execute it |
1760 | * immediately */ | |
5ed73478 | 1761 | r = execute_shutdown_or_sleep(m, a, error); |
069cfc85 LP |
1762 | |
1763 | return r; | |
1764 | } | |
1765 | ||
b7aa9589 | 1766 | static int verify_shutdown_creds( |
d889a206 | 1767 | Manager *m, |
cc377381 | 1768 | sd_bus_message *message, |
5ed73478 | 1769 | const ActionTableItem *a, |
8885fed4 | 1770 | uint64_t flags, |
ebcf1f97 | 1771 | sd_bus_error *error) { |
d889a206 | 1772 | |
4afd3348 | 1773 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
8885fed4 | 1774 | bool multiple_sessions, blocked, interactive; |
cc377381 | 1775 | uid_t uid; |
b7aa9589 | 1776 | int r; |
d889a206 LP |
1777 | |
1778 | assert(m); | |
5ed73478 | 1779 | assert(a); |
d889a206 | 1780 | assert(message); |
6524990f | 1781 | |
05bae4a6 | 1782 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
1783 | if (r < 0) |
1784 | return r; | |
1785 | ||
05bae4a6 | 1786 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 1787 | if (r < 0) |
ebcf1f97 | 1788 | return r; |
409133be | 1789 | |
cc377381 | 1790 | r = have_multiple_sessions(m, uid); |
d889a206 | 1791 | if (r < 0) |
ebcf1f97 | 1792 | return r; |
d889a206 LP |
1793 | |
1794 | multiple_sessions = r > 0; | |
5ed73478 | 1795 | blocked = manager_is_inhibited(m, a->inhibit_what, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
8885fed4 | 1796 | interactive = flags & SD_LOGIND_INTERACTIVE; |
d889a206 | 1797 | |
878e32b6 | 1798 | if (multiple_sessions) { |
5ed73478 LN |
1799 | r = bus_verify_polkit_async( |
1800 | message, | |
1801 | CAP_SYS_BOOT, | |
1802 | a->polkit_action_multiple_sessions, | |
1803 | NULL, | |
1804 | interactive, | |
1805 | UID_INVALID, | |
1806 | &m->polkit_registry, | |
1807 | error); | |
d889a206 | 1808 | if (r < 0) |
ebcf1f97 | 1809 | return r; |
055d4066 ZJS |
1810 | if (r == 0) |
1811 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1812 | } |
1813 | ||
8885fed4 DR |
1814 | if (blocked) { |
1815 | /* We don't check polkit for root here, because you can't be more privileged than root */ | |
1816 | if (uid == 0 && (flags & SD_LOGIND_ROOT_CHECK_INHIBITORS)) | |
1817 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, | |
1818 | "Access denied to root due to active block inhibitor"); | |
1819 | ||
5ed73478 LN |
1820 | r = bus_verify_polkit_async(message, |
1821 | CAP_SYS_BOOT, | |
1822 | a->polkit_action_ignore_inhibit, | |
1823 | NULL, | |
1824 | interactive, | |
1825 | UID_INVALID, | |
1826 | &m->polkit_registry, | |
1827 | error); | |
878e32b6 FB |
1828 | if (r < 0) |
1829 | return r; | |
1830 | if (r == 0) | |
1831 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1832 | } |
1833 | ||
878e32b6 | 1834 | if (!multiple_sessions && !blocked) { |
5ed73478 LN |
1835 | r = bus_verify_polkit_async(message, |
1836 | CAP_SYS_BOOT, | |
1837 | a->polkit_action, | |
1838 | NULL, | |
1839 | interactive, | |
1840 | UID_INVALID, | |
1841 | &m->polkit_registry, | |
1842 | error); | |
d889a206 | 1843 | if (r < 0) |
ebcf1f97 | 1844 | return r; |
055d4066 ZJS |
1845 | if (r == 0) |
1846 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
d889a206 LP |
1847 | } |
1848 | ||
b7aa9589 DM |
1849 | return 0; |
1850 | } | |
1851 | ||
90b1ec03 LN |
1852 | static int setup_wall_message_timer(Manager *m, sd_bus_message* message) { |
1853 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
1854 | int r; | |
1855 | ||
1856 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
1857 | if (r >= 0) { | |
1858 | const char *tty = NULL; | |
1859 | ||
1860 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
1861 | (void) sd_bus_creds_get_tty(creds, &tty); | |
1862 | ||
1863 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
1864 | if (r < 0) | |
1865 | return log_oom(); | |
1866 | } | |
1867 | ||
1868 | r = manager_setup_wall_message_timer(m); | |
1869 | if (r < 0) | |
1870 | return r; | |
1871 | ||
1872 | return 0; | |
1873 | } | |
1874 | ||
b7aa9589 DM |
1875 | static int method_do_shutdown_or_sleep( |
1876 | Manager *m, | |
1877 | sd_bus_message *message, | |
5ed73478 | 1878 | const ActionTableItem *a, |
8885fed4 | 1879 | bool with_flags, |
b7aa9589 DM |
1880 | sd_bus_error *error) { |
1881 | ||
3ecafb1f LP |
1882 | uint64_t flags; |
1883 | int r; | |
b7aa9589 DM |
1884 | |
1885 | assert(m); | |
1886 | assert(message); | |
5ed73478 | 1887 | assert(a); |
b7aa9589 | 1888 | |
3ecafb1f LP |
1889 | if (with_flags) { |
1890 | /* New style method: with flags parameter (and interactive bool in the bus message header) */ | |
8885fed4 | 1891 | r = sd_bus_message_read(message, "t", &flags); |
3ecafb1f LP |
1892 | if (r < 0) |
1893 | return r; | |
1894 | if ((flags & ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC) != 0) | |
1b09b81c | 1895 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter"); |
138224fc | 1896 | if (a->handle != HANDLE_REBOOT && (flags & SD_LOGIND_REBOOT_VIA_KEXEC)) |
1b09b81c | 1897 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Reboot via kexec is only applicable with reboot operations"); |
3ecafb1f LP |
1898 | } else { |
1899 | /* Old style method: no flags parameter, but interactive bool passed as boolean in | |
1900 | * payload. Let's convert this argument to the new-style flags parameter for our internal | |
1901 | * use. */ | |
1902 | int interactive; | |
b7aa9589 | 1903 | |
3ecafb1f LP |
1904 | r = sd_bus_message_read(message, "b", &interactive); |
1905 | if (r < 0) | |
1906 | return r; | |
8885fed4 | 1907 | |
3ecafb1f LP |
1908 | flags = interactive ? SD_LOGIND_INTERACTIVE : 0; |
1909 | } | |
8885fed4 | 1910 | |
1d8a16f1 | 1911 | if ((flags & SD_LOGIND_REBOOT_VIA_KEXEC) && kexec_loaded()) |
5ed73478 | 1912 | a = manager_item_for_handle(HANDLE_KEXEC); |
0d96caa5 | 1913 | |
b7aa9589 | 1914 | /* Don't allow multiple jobs being executed at the same time */ |
5ed73478 | 1915 | if (m->delayed_action) |
124d7cb2 ZJS |
1916 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, |
1917 | "There's already a shutdown or sleep operation in progress"); | |
b7aa9589 | 1918 | |
5ed73478 LN |
1919 | if (a->sleep_operation >= 0) { |
1920 | r = can_sleep(a->sleep_operation); | |
b71c9758 | 1921 | if (r == -ENOSPC) |
8340b762 ZJS |
1922 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
1923 | "Not enough swap space for hibernation"); | |
b71c9758 | 1924 | if (r == 0) |
8340b762 | 1925 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, |
5ed73478 | 1926 | "Sleep verb \"%s\" not supported", sleep_operation_to_string(a->sleep_operation)); |
b7aa9589 DM |
1927 | if (r < 0) |
1928 | return r; | |
b7aa9589 DM |
1929 | } |
1930 | ||
5ed73478 | 1931 | r = verify_shutdown_creds(m, message, a, flags, error); |
b7aa9589 DM |
1932 | if (r != 0) |
1933 | return r; | |
1934 | ||
5ed73478 LN |
1935 | /* reset case we're shorting a scheduled shutdown */ |
1936 | m->unlink_nologin = false; | |
1937 | reset_scheduled_shutdown(m); | |
1938 | ||
1939 | m->scheduled_shutdown_timeout = 0; | |
1940 | m->scheduled_shutdown_type = a; | |
1941 | ||
90b1ec03 LN |
1942 | (void) setup_wall_message_timer(m, message); |
1943 | ||
5ed73478 | 1944 | r = bus_manager_shutdown_or_sleep_now_or_later(m, a, error); |
d889a206 | 1945 | if (r < 0) |
ebcf1f97 | 1946 | return r; |
d889a206 | 1947 | |
df2d202e | 1948 | return sd_bus_reply_method_return(message, NULL); |
eecd1362 LP |
1949 | } |
1950 | ||
19070062 | 1951 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
3f49d45a LP |
1952 | Manager *m = userdata; |
1953 | ||
cc377381 LP |
1954 | return method_do_shutdown_or_sleep( |
1955 | m, message, | |
5ed73478 | 1956 | manager_item_for_handle(HANDLE_POWEROFF), |
8885fed4 | 1957 | sd_bus_message_is_method_call(message, NULL, "PowerOffWithFlags"), |
ebcf1f97 | 1958 | error); |
cc377381 | 1959 | } |
88e3dc90 | 1960 | |
19070062 | 1961 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1962 | Manager *m = userdata; |
88e3dc90 | 1963 | |
cc377381 LP |
1964 | return method_do_shutdown_or_sleep( |
1965 | m, message, | |
5ed73478 | 1966 | manager_item_for_handle(HANDLE_REBOOT), |
8885fed4 | 1967 | sd_bus_message_is_method_call(message, NULL, "RebootWithFlags"), |
ebcf1f97 | 1968 | error); |
cc377381 | 1969 | } |
88e3dc90 | 1970 | |
36b69c31 LP |
1971 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1972 | Manager *m = userdata; | |
1973 | ||
1974 | return method_do_shutdown_or_sleep( | |
1975 | m, message, | |
5ed73478 | 1976 | manager_item_for_handle(HANDLE_HALT), |
8885fed4 | 1977 | sd_bus_message_is_method_call(message, NULL, "HaltWithFlags"), |
36b69c31 LP |
1978 | error); |
1979 | } | |
1980 | ||
19070062 | 1981 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 1982 | Manager *m = userdata; |
88e3dc90 | 1983 | |
cc377381 LP |
1984 | return method_do_shutdown_or_sleep( |
1985 | m, message, | |
5ed73478 | 1986 | manager_item_for_handle(HANDLE_SUSPEND), |
8885fed4 | 1987 | sd_bus_message_is_method_call(message, NULL, "SuspendWithFlags"), |
ebcf1f97 | 1988 | error); |
cc377381 | 1989 | } |
88e3dc90 | 1990 | |
15e99a43 LP |
1991 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1992 | Manager *m = userdata; | |
1993 | ||
1994 | return method_do_shutdown_or_sleep( | |
1995 | m, message, | |
5ed73478 | 1996 | manager_item_for_handle(HANDLE_HIBERNATE), |
8885fed4 | 1997 | sd_bus_message_is_method_call(message, NULL, "HibernateWithFlags"), |
15e99a43 LP |
1998 | error); |
1999 | } | |
2000 | ||
2001 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
2002 | Manager *m = userdata; | |
2003 | ||
2004 | return method_do_shutdown_or_sleep( | |
2005 | m, message, | |
5ed73478 | 2006 | manager_item_for_handle(HANDLE_HYBRID_SLEEP), |
8885fed4 | 2007 | sd_bus_message_is_method_call(message, NULL, "HybridSleepWithFlags"), |
15e99a43 LP |
2008 | error); |
2009 | } | |
2010 | ||
e68c79db | 2011 | static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
2012 | Manager *m = userdata; |
2013 | ||
2014 | return method_do_shutdown_or_sleep( | |
2015 | m, message, | |
5ed73478 | 2016 | manager_item_for_handle(HANDLE_SUSPEND_THEN_HIBERNATE), |
8885fed4 | 2017 | sd_bus_message_is_method_call(message, NULL, "SuspendThenHibernateWithFlags"), |
c58493c0 ML |
2018 | error); |
2019 | } | |
2020 | ||
867c37f6 DM |
2021 | static int nologin_timeout_handler( |
2022 | sd_event_source *s, | |
2023 | uint64_t usec, | |
2024 | void *userdata) { | |
2025 | ||
2026 | Manager *m = userdata; | |
867c37f6 DM |
2027 | |
2028 | log_info("Creating /run/nologin, blocking further logins..."); | |
2029 | ||
6e11e7e6 LP |
2030 | m->unlink_nologin = |
2031 | create_shutdown_run_nologin_or_warn() >= 0; | |
867c37f6 DM |
2032 | |
2033 | return 0; | |
2034 | } | |
2035 | ||
cbb6c000 LP |
2036 | static usec_t nologin_timeout_usec(usec_t elapse) { |
2037 | /* Issue /run/nologin five minutes before shutdown */ | |
2038 | return LESS_BY(elapse, 5 * USEC_PER_MINUTE); | |
2039 | } | |
2040 | ||
867c37f6 | 2041 | static int update_schedule_file(Manager *m) { |
91b3e7fb | 2042 | _cleanup_free_ char *temp_path = NULL; |
867c37f6 | 2043 | _cleanup_fclose_ FILE *f = NULL; |
91b3e7fb | 2044 | int r; |
867c37f6 DM |
2045 | |
2046 | assert(m); | |
138224fc | 2047 | assert(m->scheduled_shutdown_type); |
867c37f6 | 2048 | |
37c1d5e9 | 2049 | r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE); |
867c37f6 DM |
2050 | if (r < 0) |
2051 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
2052 | ||
867c37f6 DM |
2053 | r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); |
2054 | if (r < 0) | |
2055 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
2056 | ||
2057 | (void) fchmod(fileno(f), 0644); | |
2058 | ||
2059 | fprintf(f, | |
2060 | "USEC="USEC_FMT"\n" | |
81bb3ca1 | 2061 | "WARN_WALL=%s\n" |
867c37f6 DM |
2062 | "MODE=%s\n", |
2063 | m->scheduled_shutdown_timeout, | |
81bb3ca1 | 2064 | one_zero(m->enable_wall_messages), |
138224fc | 2065 | handle_action_to_string(m->scheduled_shutdown_type->handle)); |
867c37f6 | 2066 | |
91b3e7fb | 2067 | if (!isempty(m->wall_message)) { |
c2b2df60 | 2068 | _cleanup_free_ char *t = NULL; |
91b3e7fb LP |
2069 | |
2070 | t = cescape(m->wall_message); | |
2071 | if (!t) { | |
2072 | r = -ENOMEM; | |
2073 | goto fail; | |
2074 | } | |
2075 | ||
867c37f6 | 2076 | fprintf(f, "WALL_MESSAGE=%s\n", t); |
91b3e7fb | 2077 | } |
867c37f6 | 2078 | |
dacd6cee LP |
2079 | r = fflush_and_check(f); |
2080 | if (r < 0) | |
2081 | goto fail; | |
867c37f6 | 2082 | |
dacd6cee | 2083 | if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { |
867c37f6 | 2084 | r = -errno; |
dacd6cee | 2085 | goto fail; |
867c37f6 DM |
2086 | } |
2087 | ||
dacd6cee LP |
2088 | return 0; |
2089 | ||
2090 | fail: | |
2091 | (void) unlink(temp_path); | |
2092 | (void) unlink("/run/systemd/shutdown/scheduled"); | |
2093 | ||
2094 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
867c37f6 DM |
2095 | } |
2096 | ||
df75a1a8 | 2097 | static void reset_scheduled_shutdown(Manager *m) { |
36b69c31 LP |
2098 | assert(m); |
2099 | ||
df75a1a8 AJ |
2100 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); |
2101 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
2102 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
36b69c31 | 2103 | |
5ed73478 | 2104 | m->scheduled_shutdown_type = NULL; |
df75a1a8 AJ |
2105 | m->shutdown_dry_run = false; |
2106 | ||
2107 | if (m->unlink_nologin) { | |
af229d7a | 2108 | (void) unlink_or_warn("/run/nologin"); |
df75a1a8 AJ |
2109 | m->unlink_nologin = false; |
2110 | } | |
36b69c31 | 2111 | |
df75a1a8 AJ |
2112 | (void) unlink("/run/systemd/shutdown/scheduled"); |
2113 | } | |
2114 | ||
8aaa023a DM |
2115 | static int manager_scheduled_shutdown_handler( |
2116 | sd_event_source *s, | |
2117 | uint64_t usec, | |
2118 | void *userdata) { | |
2119 | ||
5ed73478 | 2120 | const ActionTableItem *a = NULL; |
4afd3348 | 2121 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
8aaa023a | 2122 | Manager *m = userdata; |
8aaa023a DM |
2123 | int r; |
2124 | ||
2125 | assert(m); | |
2126 | ||
5ed73478 LN |
2127 | a = m->scheduled_shutdown_type; |
2128 | assert(a); | |
8aaa023a | 2129 | |
b498d6ea | 2130 | /* Don't allow multiple jobs being executed at the same time */ |
5ed73478 | 2131 | if (m->delayed_action) { |
6d7f7fd4 | 2132 | r = -EALREADY; |
5ed73478 | 2133 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", a->target); |
6d7f7fd4 | 2134 | goto error; |
b498d6ea AJ |
2135 | } |
2136 | ||
df75a1a8 AJ |
2137 | if (m->shutdown_dry_run) { |
2138 | /* We do not process delay inhibitors here. Otherwise, we | |
2139 | * would have to be considered "in progress" (like the check | |
2140 | * above) for some seconds after our admin has seen the final | |
2141 | * wall message. */ | |
2142 | ||
5ed73478 | 2143 | bus_manager_log_shutdown(m, a); |
df75a1a8 AJ |
2144 | log_info("Running in dry run, suppressing action."); |
2145 | reset_scheduled_shutdown(m); | |
2146 | ||
2147 | return 0; | |
2148 | } | |
2149 | ||
5ed73478 | 2150 | r = bus_manager_shutdown_or_sleep_now_or_later(m, m->scheduled_shutdown_type, &error); |
6d7f7fd4 | 2151 | if (r < 0) { |
5ed73478 | 2152 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", a->target); |
6d7f7fd4 AJ |
2153 | goto error; |
2154 | } | |
8aaa023a DM |
2155 | |
2156 | return 0; | |
6d7f7fd4 AJ |
2157 | |
2158 | error: | |
2159 | reset_scheduled_shutdown(m); | |
2160 | return r; | |
8aaa023a DM |
2161 | } |
2162 | ||
19070062 | 2163 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2164 | Manager *m = userdata; |
5ed73478 LN |
2165 | HandleAction handle; |
2166 | const ActionTableItem *a; | |
8aaa023a DM |
2167 | uint64_t elapse; |
2168 | char *type; | |
2169 | int r; | |
d13f5e16 | 2170 | bool dry_run = false; |
8aaa023a DM |
2171 | |
2172 | assert(m); | |
2173 | assert(message); | |
2174 | ||
2175 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2176 | if (r < 0) | |
2177 | return r; | |
2178 | ||
1389f4b9 DM |
2179 | if (startswith(type, "dry-")) { |
2180 | type += 4; | |
d13f5e16 | 2181 | dry_run = true; |
1389f4b9 DM |
2182 | } |
2183 | ||
5ed73478 LN |
2184 | handle = handle_action_from_string(type); |
2185 | if (!IN_SET(handle, HANDLE_POWEROFF, HANDLE_REBOOT, HANDLE_HALT, HANDLE_KEXEC)) | |
1b09b81c | 2186 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); |
8aaa023a | 2187 | |
5ed73478 LN |
2188 | a = manager_item_for_handle(handle); |
2189 | assert(a); | |
2190 | assert(a->polkit_action); | |
2191 | ||
2192 | r = verify_shutdown_creds(m, message, a, 0, error); | |
8aaa023a DM |
2193 | if (r != 0) |
2194 | return r; | |
2195 | ||
2196 | if (m->scheduled_shutdown_timeout_source) { | |
2197 | r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); | |
2198 | if (r < 0) | |
c2a23db0 | 2199 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
8aaa023a DM |
2200 | |
2201 | r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); | |
2202 | if (r < 0) | |
c2a23db0 | 2203 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
8aaa023a DM |
2204 | } else { |
2205 | r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2206 | CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); | |
2207 | if (r < 0) | |
c2a23db0 | 2208 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
8aaa023a DM |
2209 | } |
2210 | ||
5ed73478 | 2211 | m->scheduled_shutdown_type = a; |
d13f5e16 LP |
2212 | m->shutdown_dry_run = dry_run; |
2213 | ||
867c37f6 | 2214 | if (m->nologin_timeout_source) { |
cbb6c000 | 2215 | r = sd_event_source_set_time(m->nologin_timeout_source, nologin_timeout_usec(elapse)); |
867c37f6 | 2216 | if (r < 0) |
c2a23db0 | 2217 | return log_error_errno(r, "sd_event_source_set_time() failed: %m"); |
867c37f6 DM |
2218 | |
2219 | r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); | |
2220 | if (r < 0) | |
c2a23db0 | 2221 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); |
867c37f6 DM |
2222 | } else { |
2223 | r = sd_event_add_time(m->event, &m->nologin_timeout_source, | |
cbb6c000 | 2224 | CLOCK_REALTIME, nologin_timeout_usec(elapse), 0, nologin_timeout_handler, m); |
867c37f6 | 2225 | if (r < 0) |
c2a23db0 | 2226 | return log_error_errno(r, "sd_event_add_time() failed: %m"); |
867c37f6 DM |
2227 | } |
2228 | ||
8aaa023a DM |
2229 | m->scheduled_shutdown_timeout = elapse; |
2230 | ||
90b1ec03 LN |
2231 | r = setup_wall_message_timer(m, message); |
2232 | if (r < 0) { | |
2233 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
e2fa5721 | 2234 | return r; |
90b1ec03 | 2235 | } |
e2fa5721 | 2236 | |
f8169e62 AJ |
2237 | r = update_schedule_file(m); |
2238 | if (r < 0) | |
2239 | return r; | |
867c37f6 | 2240 | |
8aaa023a DM |
2241 | return sd_bus_reply_method_return(message, NULL); |
2242 | } | |
2243 | ||
19070062 | 2244 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
8aaa023a | 2245 | Manager *m = userdata; |
5ed73478 | 2246 | const ActionTableItem *a; |
8aaa023a | 2247 | bool cancelled; |
ec14fba9 | 2248 | int r; |
8aaa023a DM |
2249 | |
2250 | assert(m); | |
2251 | assert(message); | |
2252 | ||
138224fc LN |
2253 | cancelled = m->scheduled_shutdown_type |
2254 | && !IN_SET(m->scheduled_shutdown_type->handle, HANDLE_IGNORE, _HANDLE_ACTION_INVALID); | |
ec14fba9 | 2255 | if (!cancelled) |
d2fc0ecf | 2256 | return sd_bus_reply_method_return(message, "b", false); |
ec14fba9 | 2257 | |
5ed73478 LN |
2258 | a = m->scheduled_shutdown_type; |
2259 | if (!a->polkit_action) | |
2260 | return sd_bus_error_set(error, SD_BUS_ERROR_AUTH_FAILED, "Unsupported shutdown type"); | |
ec14fba9 LN |
2261 | |
2262 | r = bus_verify_polkit_async( | |
2263 | message, | |
2264 | CAP_SYS_BOOT, | |
5ed73478 | 2265 | a->polkit_action, |
ec14fba9 LN |
2266 | NULL, |
2267 | false, | |
2268 | UID_INVALID, | |
2269 | &m->polkit_registry, | |
2270 | error); | |
2271 | if (r < 0) | |
2272 | return r; | |
2273 | if (r == 0) | |
2274 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2275 | ||
1389f4b9 | 2276 | reset_scheduled_shutdown(m); |
fb91034c | 2277 | |
ec14fba9 | 2278 | if (m->enable_wall_messages) { |
4afd3348 | 2279 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e99742ef | 2280 | _cleanup_free_ char *username = NULL; |
e2fa5721 DM |
2281 | const char *tty = NULL; |
2282 | uid_t uid = 0; | |
e2fa5721 DM |
2283 | |
2284 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2285 | if (r >= 0) { | |
2286 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2287 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2288 | } | |
2289 | ||
e99742ef | 2290 | username = uid_to_name(uid); |
e2fa5721 | 2291 | utmp_wall("The system shutdown has been cancelled", |
e99742ef | 2292 | username, tty, logind_wall_tty_filter, m); |
e2fa5721 DM |
2293 | } |
2294 | ||
d2fc0ecf | 2295 | return sd_bus_reply_method_return(message, "b", true); |
8aaa023a DM |
2296 | } |
2297 | ||
cc377381 LP |
2298 | static int method_can_shutdown_or_sleep( |
2299 | Manager *m, | |
2300 | sd_bus_message *message, | |
5ed73478 | 2301 | const ActionTableItem *a, |
ebcf1f97 | 2302 | sd_bus_error *error) { |
de07ab16 | 2303 | |
4afd3348 | 2304 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
2305 | bool multiple_sessions, challenge, blocked; |
2306 | const char *result = NULL; | |
2307 | uid_t uid; | |
2308 | int r; | |
de07ab16 | 2309 | |
cc377381 LP |
2310 | assert(m); |
2311 | assert(message); | |
5ed73478 LN |
2312 | assert(a); |
2313 | ||
2314 | if (a->sleep_operation >= 0) { | |
2315 | r = can_sleep(a->sleep_operation); | |
8340b762 | 2316 | if (IN_SET(r, 0, -ENOSPC)) |
b71c9758 | 2317 | return sd_bus_reply_method_return(message, "s", "na"); |
de07ab16 | 2318 | if (r < 0) |
ebcf1f97 | 2319 | return r; |
cc377381 | 2320 | } |
de07ab16 | 2321 | |
05bae4a6 | 2322 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
2323 | if (r < 0) |
2324 | return r; | |
2325 | ||
05bae4a6 | 2326 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 2327 | if (r < 0) |
ebcf1f97 | 2328 | return r; |
de07ab16 | 2329 | |
cc377381 LP |
2330 | r = have_multiple_sessions(m, uid); |
2331 | if (r < 0) | |
ebcf1f97 | 2332 | return r; |
de07ab16 | 2333 | |
cc377381 | 2334 | multiple_sessions = r > 0; |
5ed73478 | 2335 | blocked = manager_is_inhibited(m, a->inhibit_what, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
de07ab16 | 2336 | |
5ed73478 | 2337 | HandleAction handle = handle_action_from_string(sleep_operation_to_string(a->sleep_operation)); |
c8c8ee85 ZJS |
2338 | if (handle >= 0) { |
2339 | const char *target; | |
2340 | ||
d2fc0ecf | 2341 | target = manager_item_for_handle(handle)->target; |
c8c8ee85 ZJS |
2342 | if (target) { |
2343 | _cleanup_free_ char *load_state = NULL; | |
2344 | ||
2345 | r = unit_load_state(m->bus, target, &load_state); | |
2346 | if (r < 0) | |
2347 | return r; | |
2348 | ||
2349 | if (!streq(load_state, "loaded")) { | |
2350 | result = "no"; | |
2351 | goto finish; | |
2352 | } | |
2353 | } | |
2354 | } | |
2355 | ||
cc377381 | 2356 | if (multiple_sessions) { |
5ed73478 | 2357 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
de07ab16 | 2358 | if (r < 0) |
ebcf1f97 | 2359 | return r; |
bef422ae | 2360 | |
cc377381 LP |
2361 | if (r > 0) |
2362 | result = "yes"; | |
2363 | else if (challenge) | |
2364 | result = "challenge"; | |
2365 | else | |
2366 | result = "no"; | |
2367 | } | |
bef422ae | 2368 | |
cc377381 | 2369 | if (blocked) { |
5ed73478 | 2370 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2371 | if (r < 0) |
ebcf1f97 | 2372 | return r; |
bef422ae | 2373 | |
0c093a62 HT |
2374 | if (r > 0) { |
2375 | if (!result) | |
2376 | result = "yes"; | |
2377 | } else if (challenge) { | |
2378 | if (!result || streq(result, "yes")) | |
2379 | result = "challenge"; | |
2380 | } else | |
cc377381 LP |
2381 | result = "no"; |
2382 | } | |
bef422ae | 2383 | |
cc377381 LP |
2384 | if (!multiple_sessions && !blocked) { |
2385 | /* If neither inhibit nor multiple sessions | |
2386 | * apply then just check the normal policy */ | |
bef422ae | 2387 | |
5ed73478 | 2388 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action, NULL, UID_INVALID, &challenge, error); |
bef422ae | 2389 | if (r < 0) |
ebcf1f97 | 2390 | return r; |
bef422ae | 2391 | |
cc377381 LP |
2392 | if (r > 0) |
2393 | result = "yes"; | |
2394 | else if (challenge) | |
2395 | result = "challenge"; | |
2396 | else | |
2397 | result = "no"; | |
2398 | } | |
bef422ae | 2399 | |
c8c8ee85 | 2400 | finish: |
df2d202e | 2401 | return sd_bus_reply_method_return(message, "s", result); |
cc377381 | 2402 | } |
bef422ae | 2403 | |
19070062 | 2404 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2405 | Manager *m = userdata; |
bef422ae | 2406 | |
cc377381 | 2407 | return method_can_shutdown_or_sleep( |
5ed73478 | 2408 | m, message, manager_item_for_handle(HANDLE_POWEROFF), |
ebcf1f97 | 2409 | error); |
cc377381 | 2410 | } |
bef422ae | 2411 | |
19070062 | 2412 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2413 | Manager *m = userdata; |
bef422ae | 2414 | |
cc377381 | 2415 | return method_can_shutdown_or_sleep( |
5ed73478 | 2416 | m, message, manager_item_for_handle(HANDLE_REBOOT), |
ebcf1f97 | 2417 | error); |
cc377381 | 2418 | } |
bef422ae | 2419 | |
36b69c31 LP |
2420 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2421 | Manager *m = userdata; | |
2422 | ||
2423 | return method_can_shutdown_or_sleep( | |
5ed73478 | 2424 | m, message, manager_item_for_handle(HANDLE_HALT), |
36b69c31 LP |
2425 | error); |
2426 | } | |
2427 | ||
19070062 | 2428 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2429 | Manager *m = userdata; |
7f7bb946 | 2430 | |
cc377381 | 2431 | return method_can_shutdown_or_sleep( |
5ed73478 | 2432 | m, message, manager_item_for_handle(HANDLE_SUSPEND), |
ebcf1f97 | 2433 | error); |
cc377381 | 2434 | } |
7f7bb946 | 2435 | |
19070062 | 2436 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2437 | Manager *m = userdata; |
02b16a19 | 2438 | |
cc377381 | 2439 | return method_can_shutdown_or_sleep( |
5ed73478 | 2440 | m, message, manager_item_for_handle(HANDLE_HIBERNATE), |
ebcf1f97 | 2441 | error); |
cc377381 | 2442 | } |
7f7bb946 | 2443 | |
19070062 | 2444 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 2445 | Manager *m = userdata; |
7f7bb946 | 2446 | |
cc377381 | 2447 | return method_can_shutdown_or_sleep( |
5ed73478 | 2448 | m, message, manager_item_for_handle(HANDLE_HYBRID_SLEEP), |
ebcf1f97 | 2449 | error); |
cc377381 | 2450 | } |
38f3fc7d | 2451 | |
e68c79db | 2452 | static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c58493c0 ML |
2453 | Manager *m = userdata; |
2454 | ||
2455 | return method_can_shutdown_or_sleep( | |
5ed73478 | 2456 | m, message, manager_item_for_handle(HANDLE_SUSPEND_THEN_HIBERNATE), |
c58493c0 ML |
2457 | error); |
2458 | } | |
2459 | ||
428b296a VJ |
2460 | static int property_get_reboot_parameter( |
2461 | sd_bus *bus, | |
2462 | const char *path, | |
2463 | const char *interface, | |
2464 | const char *property, | |
2465 | sd_bus_message *reply, | |
2466 | void *userdata, | |
2467 | sd_bus_error *error) { | |
2468 | _cleanup_free_ char *parameter = NULL; | |
2469 | int r; | |
2470 | ||
2471 | assert(bus); | |
2472 | assert(reply); | |
2473 | assert(userdata); | |
2474 | ||
2475 | r = read_reboot_parameter(¶meter); | |
2476 | if (r < 0) | |
2477 | return r; | |
2478 | ||
2479 | return sd_bus_message_append(reply, "s", parameter); | |
2480 | } | |
2481 | ||
2482 | static int method_set_reboot_parameter( | |
2483 | sd_bus_message *message, | |
2484 | void *userdata, | |
2485 | sd_bus_error *error) { | |
2486 | ||
2487 | Manager *m = userdata; | |
2488 | const char *arg; | |
2489 | int r; | |
2490 | ||
2491 | assert(message); | |
2492 | assert(m); | |
2493 | ||
2494 | r = sd_bus_message_read(message, "s", &arg); | |
2495 | if (r < 0) | |
2496 | return r; | |
2497 | ||
2498 | r = detect_container(); | |
2499 | if (r < 0) | |
2500 | return r; | |
2501 | if (r > 0) | |
2502 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, | |
2503 | "Reboot parameter not supported in containers, refusing."); | |
2504 | ||
2505 | r = bus_verify_polkit_async(message, | |
2506 | CAP_SYS_ADMIN, | |
2507 | "org.freedesktop.login1.set-reboot-parameter", | |
2508 | NULL, | |
2509 | false, | |
2510 | UID_INVALID, | |
2511 | &m->polkit_registry, | |
2512 | error); | |
2513 | if (r < 0) | |
2514 | return r; | |
2515 | if (r == 0) | |
2516 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2517 | ||
2518 | r = update_reboot_parameter_and_warn(arg, false); | |
2519 | if (r < 0) | |
2520 | return r; | |
2521 | ||
2522 | return sd_bus_reply_method_return(message, NULL); | |
2523 | } | |
2524 | ||
2525 | static int method_can_reboot_parameter( | |
2526 | sd_bus_message *message, | |
2527 | void *userdata, | |
2528 | sd_bus_error *error) { | |
2529 | ||
0a0e594a | 2530 | _unused_ Manager *m = userdata; |
428b296a VJ |
2531 | int r; |
2532 | ||
2533 | assert(message); | |
2534 | assert(m); | |
2535 | ||
2536 | r = detect_container(); | |
2537 | if (r < 0) | |
2538 | return r; | |
2539 | if (r > 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */ | |
2540 | return sd_bus_reply_method_return(message, "s", "na"); | |
2541 | ||
2542 | return return_test_polkit( | |
2543 | message, | |
2544 | CAP_SYS_ADMIN, | |
2545 | "org.freedesktop.login1.set-reboot-parameter", | |
2546 | NULL, | |
2547 | UID_INVALID, | |
2548 | error); | |
2549 | } | |
2550 | ||
5bdf2243 JJ |
2551 | static int property_get_reboot_to_firmware_setup( |
2552 | sd_bus *bus, | |
2553 | const char *path, | |
2554 | const char *interface, | |
2555 | const char *property, | |
2556 | sd_bus_message *reply, | |
2557 | void *userdata, | |
2558 | sd_bus_error *error) { | |
2559 | int r; | |
2560 | ||
2561 | assert(bus); | |
2562 | assert(reply); | |
2563 | assert(userdata); | |
2564 | ||
e667266a LP |
2565 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2566 | if (r == -ENXIO) { | |
2567 | /* EFI case: let's see what is currently configured in the EFI variables */ | |
2568 | r = efi_get_reboot_to_firmware(); | |
2569 | if (r < 0 && r != -EOPNOTSUPP) | |
2570 | log_warning_errno(r, "Failed to determine reboot-to-firmware-setup state: %m"); | |
2571 | } else if (r < 0) | |
2572 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2573 | else if (r > 0) { | |
2574 | /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */ | |
2575 | if (access("/run/systemd/reboot-to-firmware-setup", F_OK) < 0) { | |
2576 | if (errno != ENOENT) | |
2577 | log_warning_errno(errno, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m"); | |
2578 | ||
2579 | r = false; | |
2580 | } else | |
2581 | r = true; | |
2582 | } | |
5bdf2243 JJ |
2583 | |
2584 | return sd_bus_message_append(reply, "b", r > 0); | |
2585 | } | |
2586 | ||
2587 | static int method_set_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2588 | sd_bus_message *message, |
2589 | void *userdata, | |
2590 | sd_bus_error *error) { | |
2591 | ||
5bdf2243 | 2592 | Manager *m = userdata; |
e667266a LP |
2593 | bool use_efi; |
2594 | int b, r; | |
5bdf2243 | 2595 | |
5bdf2243 JJ |
2596 | assert(message); |
2597 | assert(m); | |
2598 | ||
889f25b2 | 2599 | r = sd_bus_message_read(message, "b", &b); |
5bdf2243 JJ |
2600 | if (r < 0) |
2601 | return r; | |
2602 | ||
e667266a LP |
2603 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2604 | if (r == -ENXIO) { | |
2605 | /* EFI case: let's see what the firmware supports */ | |
2606 | ||
2607 | r = efi_reboot_to_firmware_supported(); | |
2608 | if (r == -EOPNOTSUPP) | |
1b09b81c | 2609 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); |
e667266a LP |
2610 | if (r < 0) |
2611 | return r; | |
2612 | ||
2613 | use_efi = true; | |
2614 | ||
2615 | } else if (r <= 0) { | |
2616 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */ | |
2617 | ||
2618 | if (r < 0) | |
2619 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2620 | ||
1b09b81c | 2621 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); |
e667266a LP |
2622 | } else |
2623 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */ | |
2624 | use_efi = false; | |
2625 | ||
5bdf2243 JJ |
2626 | r = bus_verify_polkit_async(message, |
2627 | CAP_SYS_ADMIN, | |
2628 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
403ed0e5 | 2629 | NULL, |
889f25b2 | 2630 | false, |
5bdf2243 JJ |
2631 | UID_INVALID, |
2632 | &m->polkit_registry, | |
2633 | error); | |
2634 | if (r < 0) | |
2635 | return r; | |
2636 | if (r == 0) | |
2637 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2638 | ||
e667266a LP |
2639 | if (use_efi) { |
2640 | r = efi_set_reboot_to_firmware(b); | |
2641 | if (r < 0) | |
2642 | return r; | |
2643 | } else { | |
2644 | if (b) { | |
2645 | r = touch("/run/systemd/reboot-to-firmware-setup"); | |
2646 | if (r < 0) | |
2647 | return r; | |
2648 | } else { | |
2649 | if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno != ENOENT) | |
2650 | return -errno; | |
2651 | } | |
2652 | } | |
5bdf2243 JJ |
2653 | |
2654 | return sd_bus_reply_method_return(message, NULL); | |
2655 | } | |
2656 | ||
2657 | static int method_can_reboot_to_firmware_setup( | |
5bdf2243 JJ |
2658 | sd_bus_message *message, |
2659 | void *userdata, | |
2660 | sd_bus_error *error) { | |
2661 | ||
0a0e594a | 2662 | _unused_ Manager *m = userdata; |
e667266a | 2663 | int r; |
5bdf2243 | 2664 | |
5bdf2243 JJ |
2665 | assert(message); |
2666 | assert(m); | |
2667 | ||
e667266a LP |
2668 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2669 | if (r == -ENXIO) { | |
2670 | /* EFI case: let's see what the firmware supports */ | |
2671 | ||
2672 | r = efi_reboot_to_firmware_supported(); | |
2673 | if (r < 0) { | |
2674 | if (r != -EOPNOTSUPP) | |
2675 | log_warning_errno(r, "Failed to determine whether reboot to firmware is supported: %m"); | |
2676 | ||
350f9518 | 2677 | return sd_bus_reply_method_return(message, "s", "na"); |
e667266a | 2678 | } |
6f302ce6 | 2679 | |
e667266a LP |
2680 | } else if (r <= 0) { |
2681 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */ | |
2682 | ||
2683 | if (r < 0) | |
2684 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2685 | ||
350f9518 | 2686 | return sd_bus_reply_method_return(message, "s", "na"); |
6f302ce6 | 2687 | } |
5bdf2243 | 2688 | |
350f9518 LP |
2689 | return return_test_polkit( |
2690 | message, | |
2691 | CAP_SYS_ADMIN, | |
2692 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
2693 | NULL, | |
2694 | UID_INVALID, | |
2695 | error); | |
5bdf2243 JJ |
2696 | } |
2697 | ||
31b221cf LP |
2698 | static int property_get_reboot_to_boot_loader_menu( |
2699 | sd_bus *bus, | |
2700 | const char *path, | |
2701 | const char *interface, | |
2702 | const char *property, | |
2703 | sd_bus_message *reply, | |
2704 | void *userdata, | |
2705 | sd_bus_error *error) { | |
2706 | ||
2707 | uint64_t x = UINT64_MAX; | |
2708 | int r; | |
2709 | ||
2710 | assert(bus); | |
2711 | assert(reply); | |
2712 | assert(userdata); | |
2713 | ||
2714 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2715 | if (r == -ENXIO) { | |
31b221cf LP |
2716 | /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distuingished: |
2717 | * | |
2718 | * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user) | |
2719 | * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user) | |
2720 | * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds | |
2721 | */ | |
2722 | ||
e8df4eee | 2723 | r = efi_loader_get_config_timeout_one_shot(&x); |
31b221cf LP |
2724 | if (r < 0) { |
2725 | if (r != -ENOENT) | |
e8df4eee | 2726 | log_warning_errno(r, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m"); |
31b221cf LP |
2727 | } |
2728 | ||
2729 | } else if (r < 0) | |
2730 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2731 | else if (r > 0) { | |
2732 | _cleanup_free_ char *v = NULL; | |
2733 | ||
2734 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */ | |
2735 | ||
2736 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v); | |
2737 | if (r < 0) { | |
2738 | if (r != -ENOENT) | |
2739 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2740 | } else { | |
2741 | r = safe_atou64(v, &x); | |
2742 | if (r < 0) | |
2743 | log_warning_errno(r, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2744 | } | |
2745 | } | |
2746 | ||
2747 | return sd_bus_message_append(reply, "t", x); | |
2748 | } | |
2749 | ||
2750 | static int method_set_reboot_to_boot_loader_menu( | |
2751 | sd_bus_message *message, | |
2752 | void *userdata, | |
2753 | sd_bus_error *error) { | |
2754 | ||
2755 | Manager *m = userdata; | |
2756 | bool use_efi; | |
2757 | uint64_t x; | |
2758 | int r; | |
2759 | ||
2760 | assert(message); | |
2761 | assert(m); | |
2762 | ||
2763 | r = sd_bus_message_read(message, "t", &x); | |
2764 | if (r < 0) | |
2765 | return r; | |
2766 | ||
2767 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2768 | if (r == -ENXIO) { | |
2769 | uint64_t features; | |
2770 | ||
2771 | /* EFI case: let's see if booting into boot loader menu is supported. */ | |
2772 | ||
2773 | r = efi_loader_get_features(&features); | |
2774 | if (r < 0) | |
2775 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2776 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
1b09b81c | 2777 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); |
31b221cf LP |
2778 | |
2779 | use_efi = true; | |
2780 | ||
2781 | } else if (r <= 0) { | |
2782 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */ | |
2783 | ||
2784 | if (r < 0) | |
2785 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2786 | ||
1b09b81c | 2787 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); |
31b221cf LP |
2788 | } else |
2789 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */ | |
2790 | use_efi = false; | |
2791 | ||
2792 | r = bus_verify_polkit_async(message, | |
2793 | CAP_SYS_ADMIN, | |
2794 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2795 | NULL, | |
2796 | false, | |
2797 | UID_INVALID, | |
2798 | &m->polkit_registry, | |
2799 | error); | |
2800 | if (r < 0) | |
2801 | return r; | |
2802 | if (r == 0) | |
2803 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2804 | ||
2805 | if (use_efi) { | |
2806 | if (x == UINT64_MAX) | |
e6f055cb | 2807 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), NULL, 0); |
31b221cf LP |
2808 | else { |
2809 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2810 | xsprintf(buf, "%" PRIu64, DIV_ROUND_UP(x, USEC_PER_SEC)); /* second granularity */ | |
2811 | ||
e6f055cb | 2812 | r = efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), buf); |
31b221cf LP |
2813 | } |
2814 | if (r < 0) | |
2815 | return r; | |
2816 | } else { | |
2817 | if (x == UINT64_MAX) { | |
3a978b30 | 2818 | if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno != ENOENT) |
31b221cf LP |
2819 | return -errno; |
2820 | } else { | |
2821 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2822 | ||
2823 | xsprintf(buf, "%" PRIu64, x); /* µs granularity */ | |
2824 | ||
3a978b30 | 2825 | r = write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf); |
31b221cf LP |
2826 | if (r < 0) |
2827 | return r; | |
2828 | } | |
2829 | } | |
2830 | ||
2831 | return sd_bus_reply_method_return(message, NULL); | |
2832 | } | |
2833 | ||
2834 | static int method_can_reboot_to_boot_loader_menu( | |
2835 | sd_bus_message *message, | |
2836 | void *userdata, | |
2837 | sd_bus_error *error) { | |
2838 | ||
0a0e594a | 2839 | _unused_ Manager *m = userdata; |
31b221cf LP |
2840 | int r; |
2841 | ||
31b221cf LP |
2842 | assert(message); |
2843 | assert(m); | |
2844 | ||
2845 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2846 | if (r == -ENXIO) { | |
2847 | uint64_t features = 0; | |
2848 | ||
2849 | /* EFI case, let's see if booting into boot loader menu is supported. */ | |
2850 | ||
2851 | r = efi_loader_get_features(&features); | |
2852 | if (r < 0) | |
2853 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2854 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
350f9518 | 2855 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2856 | |
2857 | } else if (r <= 0) { | |
2858 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */ | |
2859 | ||
2860 | if (r < 0) | |
2861 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2862 | ||
350f9518 | 2863 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
2864 | } |
2865 | ||
350f9518 LP |
2866 | return return_test_polkit( |
2867 | message, | |
2868 | CAP_SYS_ADMIN, | |
2869 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2870 | NULL, | |
2871 | UID_INVALID, | |
2872 | error); | |
31b221cf LP |
2873 | } |
2874 | ||
2875 | static int property_get_reboot_to_boot_loader_entry( | |
2876 | sd_bus *bus, | |
2877 | const char *path, | |
2878 | const char *interface, | |
2879 | const char *property, | |
2880 | sd_bus_message *reply, | |
2881 | void *userdata, | |
2882 | sd_bus_error *error) { | |
2883 | ||
2884 | _cleanup_free_ char *v = NULL; | |
af2697e8 LP |
2885 | Manager *m = userdata; |
2886 | const char *x = NULL; | |
31b221cf LP |
2887 | int r; |
2888 | ||
2889 | assert(bus); | |
2890 | assert(reply); | |
af2697e8 | 2891 | assert(m); |
31b221cf LP |
2892 | |
2893 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2894 | if (r == -ENXIO) { | |
2895 | /* EFI case: let's read the LoaderEntryOneShot variable */ | |
2896 | ||
af2697e8 | 2897 | r = efi_loader_update_entry_one_shot_cache(&m->efi_loader_entry_one_shot, &m->efi_loader_entry_one_shot_stat); |
31b221cf LP |
2898 | if (r < 0) { |
2899 | if (r != -ENOENT) | |
af2697e8 LP |
2900 | log_warning_errno(r, "Failed to read LoaderEntryOneShot variable, ignoring: %m"); |
2901 | } else | |
2902 | x = m->efi_loader_entry_one_shot; | |
2903 | ||
31b221cf LP |
2904 | } else if (r < 0) |
2905 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2906 | else if (r > 0) { | |
2907 | ||
2908 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */ | |
2909 | ||
2910 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v); | |
2911 | if (r < 0) { | |
2912 | if (r != -ENOENT) | |
af2697e8 LP |
2913 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m"); |
2914 | } else if (!efi_loader_entry_name_valid(v)) | |
31b221cf | 2915 | log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring."); |
af2697e8 LP |
2916 | else |
2917 | x = v; | |
31b221cf LP |
2918 | } |
2919 | ||
af2697e8 | 2920 | return sd_bus_message_append(reply, "s", x); |
31b221cf LP |
2921 | } |
2922 | ||
d4bd786d | 2923 | static int boot_loader_entry_exists(Manager *m, const char *id) { |
31b221cf LP |
2924 | _cleanup_(boot_config_free) BootConfig config = {}; |
2925 | int r; | |
2926 | ||
d4bd786d | 2927 | assert(m); |
31b221cf LP |
2928 | assert(id); |
2929 | ||
2930 | r = boot_entries_load_config_auto(NULL, NULL, &config); | |
cc5957dc | 2931 | if (r < 0 && r != -ENOKEY) /* don't complain if no GPT is found, hence skip ENOKEY */ |
31b221cf LP |
2932 | return r; |
2933 | ||
d4bd786d LP |
2934 | r = manager_read_efi_boot_loader_entries(m); |
2935 | if (r >= 0) | |
bb682057 | 2936 | (void) boot_entries_augment_from_loader(&config, m->efi_boot_loader_entries, /* auto_only= */ true); |
31b221cf | 2937 | |
bb682057 | 2938 | return !!boot_config_find_entry(&config, id); |
31b221cf LP |
2939 | } |
2940 | ||
2941 | static int method_set_reboot_to_boot_loader_entry( | |
2942 | sd_bus_message *message, | |
2943 | void *userdata, | |
2944 | sd_bus_error *error) { | |
2945 | ||
2946 | Manager *m = userdata; | |
2947 | bool use_efi; | |
2948 | const char *v; | |
2949 | int r; | |
2950 | ||
2951 | assert(message); | |
2952 | assert(m); | |
2953 | ||
2954 | r = sd_bus_message_read(message, "s", &v); | |
2955 | if (r < 0) | |
2956 | return r; | |
2957 | ||
2958 | if (isempty(v)) | |
2959 | v = NULL; | |
2960 | else if (efi_loader_entry_name_valid(v)) { | |
d4bd786d | 2961 | r = boot_loader_entry_exists(m, v); |
31b221cf LP |
2962 | if (r < 0) |
2963 | return r; | |
2964 | if (r == 0) | |
2965 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader entry '%s' is not known.", v); | |
2966 | } else | |
2967 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Boot loader entry name '%s' is not valid, refusing.", v); | |
2968 | ||
2969 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2970 | if (r == -ENXIO) { | |
2971 | uint64_t features; | |
2972 | ||
2973 | /* EFI case: let's see if booting into boot loader entry is supported. */ | |
2974 | ||
2975 | r = efi_loader_get_features(&features); | |
2976 | if (r < 0) | |
2977 | log_warning_errno(r, "Failed to determine whether reboot into boot loader entry is supported: %m"); | |
2978 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
1b09b81c | 2979 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); |
31b221cf LP |
2980 | |
2981 | use_efi = true; | |
2982 | ||
2983 | } else if (r <= 0) { | |
2984 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */ | |
2985 | ||
2986 | if (r < 0) | |
2987 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2988 | ||
1b09b81c | 2989 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); |
31b221cf LP |
2990 | } else |
2991 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */ | |
2992 | use_efi = false; | |
2993 | ||
2994 | r = bus_verify_polkit_async(message, | |
2995 | CAP_SYS_ADMIN, | |
2996 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
2997 | NULL, | |
2998 | false, | |
2999 | UID_INVALID, | |
3000 | &m->polkit_registry, | |
3001 | error); | |
3002 | if (r < 0) | |
3003 | return r; | |
3004 | if (r == 0) | |
3005 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
3006 | ||
3007 | if (use_efi) { | |
3008 | if (isempty(v)) | |
3009 | /* Delete item */ | |
e6f055cb | 3010 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot), NULL, 0); |
31b221cf | 3011 | else |
e6f055cb | 3012 | r = efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderEntryOneShot), v); |
31b221cf LP |
3013 | if (r < 0) |
3014 | return r; | |
3015 | } else { | |
3016 | if (isempty(v)) { | |
3017 | if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno != ENOENT) | |
3018 | return -errno; | |
3019 | } else { | |
3020 | r = write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v); | |
3021 | if (r < 0) | |
3022 | return r; | |
3023 | } | |
3024 | } | |
3025 | ||
3026 | return sd_bus_reply_method_return(message, NULL); | |
3027 | } | |
3028 | ||
3029 | static int method_can_reboot_to_boot_loader_entry( | |
3030 | sd_bus_message *message, | |
3031 | void *userdata, | |
3032 | sd_bus_error *error) { | |
3033 | ||
0a0e594a | 3034 | _unused_ Manager *m = userdata; |
31b221cf LP |
3035 | int r; |
3036 | ||
3037 | assert(message); | |
3038 | assert(m); | |
3039 | ||
3040 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
3041 | if (r == -ENXIO) { | |
3042 | uint64_t features = 0; | |
3043 | ||
3044 | /* EFI case, let's see if booting into boot loader entry is supported. */ | |
3045 | ||
3046 | r = efi_loader_get_features(&features); | |
3047 | if (r < 0) | |
3048 | log_warning_errno(r, "Failed to determine whether reboot to boot loader entry is supported: %m"); | |
3049 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
350f9518 | 3050 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
3051 | |
3052 | } else if (r <= 0) { | |
3053 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */ | |
3054 | ||
3055 | if (r < 0) | |
3056 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
3057 | ||
350f9518 | 3058 | return sd_bus_reply_method_return(message, "s", "na"); |
31b221cf LP |
3059 | } |
3060 | ||
350f9518 LP |
3061 | return return_test_polkit( |
3062 | message, | |
3063 | CAP_SYS_ADMIN, | |
3064 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
3065 | NULL, | |
3066 | UID_INVALID, | |
3067 | error); | |
31b221cf LP |
3068 | } |
3069 | ||
3070 | static int property_get_boot_loader_entries( | |
3071 | sd_bus *bus, | |
3072 | const char *path, | |
3073 | const char *interface, | |
3074 | const char *property, | |
3075 | sd_bus_message *reply, | |
3076 | void *userdata, | |
3077 | sd_bus_error *error) { | |
3078 | ||
3079 | _cleanup_(boot_config_free) BootConfig config = {}; | |
d4bd786d | 3080 | Manager *m = userdata; |
31b221cf LP |
3081 | size_t i; |
3082 | int r; | |
3083 | ||
3084 | assert(bus); | |
3085 | assert(reply); | |
d4bd786d | 3086 | assert(m); |
31b221cf LP |
3087 | |
3088 | r = boot_entries_load_config_auto(NULL, NULL, &config); | |
cc5957dc | 3089 | if (r < 0 && r != -ENOKEY) /* don't complain if there's no GPT found */ |
31b221cf LP |
3090 | return r; |
3091 | ||
d4bd786d LP |
3092 | r = manager_read_efi_boot_loader_entries(m); |
3093 | if (r >= 0) | |
bb682057 | 3094 | (void) boot_entries_augment_from_loader(&config, m->efi_boot_loader_entries, /* auto_only= */ true); |
31b221cf LP |
3095 | |
3096 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
3097 | if (r < 0) | |
3098 | return r; | |
3099 | ||
3100 | for (i = 0; i < config.n_entries; i++) { | |
3101 | BootEntry *e = config.entries + i; | |
3102 | ||
3103 | r = sd_bus_message_append(reply, "s", e->id); | |
3104 | if (r < 0) | |
3105 | return r; | |
3106 | } | |
3107 | ||
3108 | return sd_bus_message_close_container(reply); | |
3109 | } | |
3110 | ||
9ef15026 JS |
3111 | static int method_set_wall_message( |
3112 | sd_bus_message *message, | |
3113 | void *userdata, | |
3114 | sd_bus_error *error) { | |
3115 | ||
3116 | int r; | |
3117 | Manager *m = userdata; | |
3118 | char *wall_message; | |
81bb3ca1 | 3119 | int enable_wall_messages; |
9ef15026 JS |
3120 | |
3121 | assert(message); | |
3122 | assert(m); | |
3123 | ||
3124 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
3125 | if (r < 0) | |
3126 | return r; | |
3127 | ||
1831759a LN |
3128 | if (strlen(wall_message) > WALL_MESSAGE_MAX) |
3129 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, | |
3130 | "Wall message too long, maximum permitted length is %u characters.", | |
3131 | WALL_MESSAGE_MAX); | |
5ed73478 | 3132 | |
5644d47b ZJS |
3133 | /* Short-circuit the operation if the desired state is already in place, to |
3134 | * avoid an unnecessary polkit permission check. */ | |
3135 | if (streq_ptr(m->wall_message, empty_to_null(wall_message)) && | |
3136 | m->enable_wall_messages == enable_wall_messages) | |
3137 | goto done; | |
3138 | ||
9ef15026 JS |
3139 | r = bus_verify_polkit_async(message, |
3140 | CAP_SYS_ADMIN, | |
3141 | "org.freedesktop.login1.set-wall-message", | |
403ed0e5 | 3142 | NULL, |
9ef15026 JS |
3143 | false, |
3144 | UID_INVALID, | |
3145 | &m->polkit_registry, | |
3146 | error); | |
9ef15026 JS |
3147 | if (r < 0) |
3148 | return r; | |
3149 | if (r == 0) | |
3150 | return 1; /* Will call us back */ | |
3151 | ||
28a9ec44 ZJS |
3152 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
3153 | if (r < 0) | |
3154 | return log_oom(); | |
5744f59a | 3155 | |
9ef15026 JS |
3156 | m->enable_wall_messages = enable_wall_messages; |
3157 | ||
5644d47b | 3158 | done: |
9ef15026 JS |
3159 | return sd_bus_reply_method_return(message, NULL); |
3160 | } | |
3161 | ||
19070062 | 3162 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 3163 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
3164 | const char *who, *why, *what, *mode; |
3165 | _cleanup_free_ char *id = NULL; | |
3166 | _cleanup_close_ int fifo_fd = -1; | |
3167 | Manager *m = userdata; | |
cc377381 LP |
3168 | InhibitMode mm; |
3169 | InhibitWhat w; | |
3170 | pid_t pid; | |
3171 | uid_t uid; | |
3172 | int r; | |
7f7bb946 | 3173 | |
cc377381 LP |
3174 | assert(message); |
3175 | assert(m); | |
38f3fc7d | 3176 | |
cc377381 LP |
3177 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
3178 | if (r < 0) | |
ebcf1f97 | 3179 | return r; |
38f3fc7d | 3180 | |
cc377381 LP |
3181 | w = inhibit_what_from_string(what); |
3182 | if (w <= 0) | |
124d7cb2 ZJS |
3183 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3184 | "Invalid what specification %s", what); | |
38f3fc7d | 3185 | |
cc377381 LP |
3186 | mm = inhibit_mode_from_string(mode); |
3187 | if (mm < 0) | |
124d7cb2 ZJS |
3188 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3189 | "Invalid mode specification %s", mode); | |
7f7bb946 | 3190 | |
cc377381 LP |
3191 | /* Delay is only supported for shutdown/sleep */ |
3192 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
124d7cb2 ZJS |
3193 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3194 | "Delay inhibitors only supported for shutdown and sleep"); | |
38f3fc7d | 3195 | |
cc377381 LP |
3196 | /* Don't allow taking delay locks while we are already |
3197 | * executing the operation. We shouldn't create the impression | |
3198 | * that the lock was successful if the machine is about to go | |
3199 | * down/suspend any moment. */ | |
5ed73478 | 3200 | if (m->delayed_action && m->delayed_action->inhibit_what & w) |
124d7cb2 ZJS |
3201 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, |
3202 | "The operation inhibition has been requested for is already running"); | |
cc377381 | 3203 | |
c529695e LP |
3204 | r = bus_verify_polkit_async( |
3205 | message, | |
3206 | CAP_SYS_BOOT, | |
3207 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
3208 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
3209 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
3210 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
3211 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
adbb2b6a | 3212 | w == INHIBIT_HANDLE_REBOOT_KEY ? "org.freedesktop.login1.inhibit-handle-reboot-key" : |
c529695e LP |
3213 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : |
3214 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
403ed0e5 | 3215 | NULL, |
c529695e LP |
3216 | false, |
3217 | UID_INVALID, | |
3218 | &m->polkit_registry, | |
3219 | error); | |
cc377381 | 3220 | if (r < 0) |
ebcf1f97 | 3221 | return r; |
cc377381 LP |
3222 | if (r == 0) |
3223 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 3224 | |
05bae4a6 | 3225 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
3226 | if (r < 0) |
3227 | return r; | |
3228 | ||
05bae4a6 | 3229 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 3230 | if (r < 0) |
ebcf1f97 | 3231 | return r; |
7f7bb946 | 3232 | |
5b12334d | 3233 | r = sd_bus_creds_get_pid(creds, &pid); |
cc377381 | 3234 | if (r < 0) |
ebcf1f97 | 3235 | return r; |
47a26690 | 3236 | |
c5a11ae2 | 3237 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
124d7cb2 ZJS |
3238 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, |
3239 | "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", | |
3240 | m->inhibitors_max); | |
c5a11ae2 | 3241 | |
cc377381 | 3242 | do { |
97b11eed | 3243 | id = mfree(id); |
47a26690 | 3244 | |
cc377381 | 3245 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
ebcf1f97 | 3246 | return -ENOMEM; |
47a26690 | 3247 | |
cc377381 | 3248 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 3249 | |
0a9bf7fa | 3250 | _cleanup_(inhibitor_freep) Inhibitor *i = NULL; |
cc377381 LP |
3251 | r = manager_add_inhibitor(m, id, &i); |
3252 | if (r < 0) | |
ebcf1f97 | 3253 | return r; |
47a26690 | 3254 | |
cc377381 LP |
3255 | i->what = w; |
3256 | i->mode = mm; | |
3257 | i->pid = pid; | |
3258 | i->uid = uid; | |
3259 | i->why = strdup(why); | |
3260 | i->who = strdup(who); | |
7f7bb946 | 3261 | |
0a9bf7fa ZJS |
3262 | if (!i->why || !i->who) |
3263 | return -ENOMEM; | |
b668e064 | 3264 | |
cc377381 | 3265 | fifo_fd = inhibitor_create_fifo(i); |
0a9bf7fa ZJS |
3266 | if (fifo_fd < 0) |
3267 | return fifo_fd; | |
b668e064 | 3268 | |
2b695039 LP |
3269 | r = inhibitor_start(i); |
3270 | if (r < 0) | |
0a9bf7fa | 3271 | return r; |
43e94f86 | 3272 | TAKE_PTR(i); |
b668e064 | 3273 | |
df2d202e | 3274 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
cc377381 | 3275 | } |
3f49d45a | 3276 | |
c2b178d3 | 3277 | static const sd_bus_vtable manager_vtable[] = { |
cc377381 LP |
3278 | SD_BUS_VTABLE_START(0), |
3279 | ||
81bb3ca1 | 3280 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, enable_wall_messages), 0), |
e2fa5721 DM |
3281 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), |
3282 | ||
556089dc LP |
3283 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
3284 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
3285 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
3286 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), | |
428b296a | 3287 | SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter, 0, 0), |
c30e0d7b | 3288 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, 0), |
31b221cf LP |
3289 | SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu, 0, 0), |
3290 | SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry, 0, 0), | |
3291 | SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
3292 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
3293 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3294 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3295 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3296 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc | 3297 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), |
9afe9efb | 3298 | SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL, offsetof(Manager, user_stop_delay), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
3299 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), |
3300 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
3301 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
3302 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), | |
e25937a3 | 3303 | SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST), |
3c56cab4 | 3304 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
9d10cbee | 3305 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
3306 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
3307 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
3308 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), |
3309 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
8aaa023a | 3310 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
14856079 | 3311 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
9b9c23da | 3312 | SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0), |
4e96eb68 | 3313 | SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power, 0, 0), |
6d97d3c6 | 3314 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
a7b46b7d | 3315 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), |
cc1c85fb | 3316 | SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL, offsetof(Manager, runtime_dir_inodes), SD_BUS_VTABLE_PROPERTY_CONST), |
c5a11ae2 | 3317 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 3318 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size, offsetof(Manager, inhibitors), 0), |
183e0738 | 3319 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
01adcd69 | 3320 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size, offsetof(Manager, sessions), 0), |
28414939 | 3321 | SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
cc377381 | 3322 | |
a6293b05 NK |
3323 | SD_BUS_METHOD_WITH_ARGS("GetSession", |
3324 | SD_BUS_ARGS("s", session_id), | |
3325 | SD_BUS_RESULT("o", object_path), | |
3326 | method_get_session, | |
3327 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3328 | SD_BUS_METHOD_WITH_ARGS("GetSessionByPID", | |
3329 | SD_BUS_ARGS("u", pid), | |
3330 | SD_BUS_RESULT("o", object_path), | |
3331 | method_get_session_by_pid, | |
3332 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3333 | SD_BUS_METHOD_WITH_ARGS("GetUser", | |
3334 | SD_BUS_ARGS("u", uid), | |
3335 | SD_BUS_RESULT("o", object_path), | |
3336 | method_get_user, | |
3337 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3338 | SD_BUS_METHOD_WITH_ARGS("GetUserByPID", | |
3339 | SD_BUS_ARGS("u", pid), | |
3340 | SD_BUS_RESULT("o", object_path), | |
3341 | method_get_user_by_pid, | |
3342 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3343 | SD_BUS_METHOD_WITH_ARGS("GetSeat", | |
3344 | SD_BUS_ARGS("s", seat_id), | |
3345 | SD_BUS_RESULT("o", object_path), | |
3346 | method_get_seat, | |
3347 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3348 | SD_BUS_METHOD_WITH_ARGS("ListSessions", | |
3349 | SD_BUS_NO_ARGS, | |
3350 | SD_BUS_RESULT("a(susso)", sessions), | |
3351 | method_list_sessions, | |
3352 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3353 | SD_BUS_METHOD_WITH_ARGS("ListUsers", | |
3354 | SD_BUS_NO_ARGS, | |
3355 | SD_BUS_RESULT("a(uso)", users), | |
3356 | method_list_users, | |
3357 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3358 | SD_BUS_METHOD_WITH_ARGS("ListSeats", | |
3359 | SD_BUS_NO_ARGS, | |
3360 | SD_BUS_RESULT("a(so)", seats), | |
3361 | method_list_seats, | |
3362 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3363 | SD_BUS_METHOD_WITH_ARGS("ListInhibitors", | |
3364 | SD_BUS_NO_ARGS, | |
3365 | SD_BUS_RESULT("a(ssssuu)", inhibitors), | |
3366 | method_list_inhibitors, | |
3367 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3368 | SD_BUS_METHOD_WITH_ARGS("CreateSession", | |
3369 | SD_BUS_ARGS("u", uid, | |
3370 | "u", pid, | |
3371 | "s", service, | |
3372 | "s", type, | |
3373 | "s", class, | |
3374 | "s", desktop, | |
3375 | "s", seat_id, | |
3376 | "u", vtnr, | |
3377 | "s", tty, | |
3378 | "s", display, | |
3379 | "b", remote, | |
3380 | "s", remote_user, | |
3381 | "s", remote_host, | |
3382 | "a(sv)", properties), | |
3383 | SD_BUS_RESULT("s", session_id, | |
3384 | "o", object_path, | |
3385 | "s", runtime_path, | |
3386 | "h", fifo_fd, | |
3387 | "u", uid, | |
3388 | "s", seat_id, | |
3389 | "u", vtnr, | |
3390 | "b", existing), | |
3391 | method_create_session, | |
3392 | 0), | |
3393 | SD_BUS_METHOD_WITH_ARGS("ReleaseSession", | |
3394 | SD_BUS_ARGS("s", session_id), | |
3395 | SD_BUS_NO_RESULT, | |
3396 | method_release_session, | |
3397 | 0), | |
3398 | SD_BUS_METHOD_WITH_ARGS("ActivateSession", | |
3399 | SD_BUS_ARGS("s", session_id), | |
3400 | SD_BUS_NO_RESULT, | |
3401 | method_activate_session, | |
3402 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3403 | SD_BUS_METHOD_WITH_ARGS("ActivateSessionOnSeat", | |
3404 | SD_BUS_ARGS("s", session_id, "s", seat_id), | |
3405 | SD_BUS_NO_RESULT, | |
3406 | method_activate_session_on_seat, | |
3407 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3408 | SD_BUS_METHOD_WITH_ARGS("LockSession", | |
3409 | SD_BUS_ARGS("s", session_id), | |
3410 | SD_BUS_NO_RESULT, | |
3411 | method_lock_session, | |
3412 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3413 | SD_BUS_METHOD_WITH_ARGS("UnlockSession", | |
3414 | SD_BUS_ARGS("s", session_id), | |
3415 | SD_BUS_NO_RESULT, | |
3416 | method_lock_session, | |
3417 | SD_BUS_VTABLE_UNPRIVILEGED), | |
4cb5fd0d ZJS |
3418 | SD_BUS_METHOD("LockSessions", |
3419 | NULL, | |
3420 | NULL, | |
3421 | method_lock_sessions, | |
3422 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3423 | SD_BUS_METHOD("UnlockSessions", | |
3424 | NULL, | |
3425 | NULL, | |
3426 | method_lock_sessions, | |
3427 | SD_BUS_VTABLE_UNPRIVILEGED), | |
a6293b05 NK |
3428 | SD_BUS_METHOD_WITH_ARGS("KillSession", |
3429 | SD_BUS_ARGS("s", session_id, "s", who, "i", signal_number), | |
3430 | SD_BUS_NO_RESULT, | |
3431 | method_kill_session, | |
3432 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3433 | SD_BUS_METHOD_WITH_ARGS("KillUser", | |
3434 | SD_BUS_ARGS("u", uid, "i", signal_number), | |
3435 | SD_BUS_NO_RESULT, | |
3436 | method_kill_user, | |
3437 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3438 | SD_BUS_METHOD_WITH_ARGS("TerminateSession", | |
3439 | SD_BUS_ARGS("s", session_id), | |
3440 | SD_BUS_NO_RESULT, | |
3441 | method_terminate_session, | |
3442 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3443 | SD_BUS_METHOD_WITH_ARGS("TerminateUser", | |
3444 | SD_BUS_ARGS("u", uid), | |
3445 | SD_BUS_NO_RESULT, | |
3446 | method_terminate_user, | |
3447 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3448 | SD_BUS_METHOD_WITH_ARGS("TerminateSeat", | |
3449 | SD_BUS_ARGS("s", seat_id), | |
3450 | SD_BUS_NO_RESULT, | |
3451 | method_terminate_seat, | |
3452 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3453 | SD_BUS_METHOD_WITH_ARGS("SetUserLinger", | |
3454 | SD_BUS_ARGS("u", uid, "b", enable, "b", interactive), | |
3455 | SD_BUS_NO_RESULT, | |
3456 | method_set_user_linger, | |
3457 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3458 | SD_BUS_METHOD_WITH_ARGS("AttachDevice", | |
3459 | SD_BUS_ARGS("s", seat_id, "s", sysfs_path, "b", interactive), | |
3460 | SD_BUS_NO_RESULT, | |
3461 | method_attach_device, | |
3462 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3463 | SD_BUS_METHOD_WITH_ARGS("FlushDevices", | |
3464 | SD_BUS_ARGS("b", interactive), | |
3465 | SD_BUS_NO_RESULT, | |
3466 | method_flush_devices, | |
3467 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3468 | SD_BUS_METHOD_WITH_ARGS("PowerOff", | |
3469 | SD_BUS_ARGS("b", interactive), | |
3470 | SD_BUS_NO_RESULT, | |
3471 | method_poweroff, | |
3472 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3473 | SD_BUS_METHOD_WITH_ARGS("PowerOffWithFlags", | |
3474 | SD_BUS_ARGS("t", flags), | |
3475 | SD_BUS_NO_RESULT, | |
3476 | method_poweroff, | |
3477 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3478 | SD_BUS_METHOD_WITH_ARGS("Reboot", | |
3479 | SD_BUS_ARGS("b", interactive), | |
3480 | SD_BUS_NO_RESULT, | |
3481 | method_reboot, | |
3482 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3483 | SD_BUS_METHOD_WITH_ARGS("RebootWithFlags", | |
3484 | SD_BUS_ARGS("t", flags), | |
3485 | SD_BUS_NO_RESULT, | |
3486 | method_reboot, | |
3487 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3488 | SD_BUS_METHOD_WITH_ARGS("Halt", | |
3489 | SD_BUS_ARGS("b", interactive), | |
3490 | SD_BUS_NO_RESULT, | |
3491 | method_halt, | |
3492 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3493 | SD_BUS_METHOD_WITH_ARGS("HaltWithFlags", | |
3494 | SD_BUS_ARGS("t", flags), | |
3495 | SD_BUS_NO_RESULT, | |
3496 | method_halt, | |
3497 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3498 | SD_BUS_METHOD_WITH_ARGS("Suspend", | |
3499 | SD_BUS_ARGS("b", interactive), | |
3500 | SD_BUS_NO_RESULT, | |
3501 | method_suspend, | |
3502 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3503 | SD_BUS_METHOD_WITH_ARGS("SuspendWithFlags", | |
3504 | SD_BUS_ARGS("t", flags), | |
3505 | SD_BUS_NO_RESULT, | |
3506 | method_suspend, | |
3507 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3508 | SD_BUS_METHOD_WITH_ARGS("Hibernate", | |
3509 | SD_BUS_ARGS("b", interactive), | |
3510 | SD_BUS_NO_RESULT, | |
3511 | method_hibernate, | |
3512 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3513 | SD_BUS_METHOD_WITH_ARGS("HibernateWithFlags", | |
3514 | SD_BUS_ARGS("t", flags), | |
3515 | SD_BUS_NO_RESULT, | |
3516 | method_hibernate, | |
3517 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3518 | SD_BUS_METHOD_WITH_ARGS("HybridSleep", | |
3519 | SD_BUS_ARGS("b", interactive), | |
3520 | SD_BUS_NO_RESULT, | |
3521 | method_hybrid_sleep, | |
3522 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3523 | SD_BUS_METHOD_WITH_ARGS("HybridSleepWithFlags", | |
3524 | SD_BUS_ARGS("t", flags), | |
3525 | SD_BUS_NO_RESULT, | |
3526 | method_hybrid_sleep, | |
3527 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3528 | SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernate", | |
3529 | SD_BUS_ARGS("b", interactive), | |
3530 | SD_BUS_NO_RESULT, | |
3531 | method_suspend_then_hibernate, | |
3532 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3533 | SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernateWithFlags", | |
3534 | SD_BUS_ARGS("t", flags), | |
3535 | SD_BUS_NO_RESULT, | |
3536 | method_suspend_then_hibernate, | |
3537 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3538 | SD_BUS_METHOD_WITH_ARGS("CanPowerOff", | |
3539 | SD_BUS_NO_ARGS, | |
3540 | SD_BUS_RESULT("s", result), | |
3541 | method_can_poweroff, | |
3542 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3543 | SD_BUS_METHOD_WITH_ARGS("CanReboot", | |
3544 | SD_BUS_NO_ARGS, | |
3545 | SD_BUS_RESULT("s", result), | |
3546 | method_can_reboot, | |
3547 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3548 | SD_BUS_METHOD_WITH_ARGS("CanHalt", | |
3549 | SD_BUS_NO_ARGS, | |
3550 | SD_BUS_RESULT("s", result), | |
3551 | method_can_halt, | |
3552 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3553 | SD_BUS_METHOD_WITH_ARGS("CanSuspend", | |
3554 | SD_BUS_NO_ARGS, | |
3555 | SD_BUS_RESULT("s", result), | |
3556 | method_can_suspend, | |
3557 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3558 | SD_BUS_METHOD_WITH_ARGS("CanHibernate", | |
3559 | SD_BUS_NO_ARGS, | |
3560 | SD_BUS_RESULT("s", result), | |
3561 | method_can_hibernate, | |
3562 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3563 | SD_BUS_METHOD_WITH_ARGS("CanHybridSleep", | |
3564 | SD_BUS_NO_ARGS, | |
3565 | SD_BUS_RESULT("s", result), | |
3566 | method_can_hybrid_sleep, | |
3567 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3568 | SD_BUS_METHOD_WITH_ARGS("CanSuspendThenHibernate", | |
3569 | SD_BUS_NO_ARGS, | |
3570 | SD_BUS_RESULT("s", result), | |
3571 | method_can_suspend_then_hibernate, | |
3572 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3573 | SD_BUS_METHOD_WITH_ARGS("ScheduleShutdown", | |
3574 | SD_BUS_ARGS("s", type, "t", usec), | |
3575 | SD_BUS_NO_RESULT, | |
3576 | method_schedule_shutdown, | |
3577 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3578 | SD_BUS_METHOD_WITH_ARGS("CancelScheduledShutdown", | |
3579 | SD_BUS_NO_ARGS, | |
3580 | SD_BUS_RESULT("b", cancelled), | |
3581 | method_cancel_scheduled_shutdown, | |
3582 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3583 | SD_BUS_METHOD_WITH_ARGS("Inhibit", | |
3584 | SD_BUS_ARGS("s", what, "s", who, "s", why, "s", mode), | |
3585 | SD_BUS_RESULT("h", pipe_fd), | |
3586 | method_inhibit, | |
3587 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3588 | SD_BUS_METHOD_WITH_ARGS("CanRebootParameter", | |
3589 | SD_BUS_NO_ARGS, | |
3590 | SD_BUS_RESULT("s", result), | |
3591 | method_can_reboot_parameter, | |
3592 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3593 | SD_BUS_METHOD_WITH_ARGS("SetRebootParameter", | |
3594 | SD_BUS_ARGS("s", parameter), | |
3595 | SD_BUS_NO_RESULT, | |
3596 | method_set_reboot_parameter, | |
3597 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3598 | SD_BUS_METHOD_WITH_ARGS("CanRebootToFirmwareSetup", | |
3599 | SD_BUS_NO_ARGS, | |
3600 | SD_BUS_RESULT("s", result), | |
3601 | method_can_reboot_to_firmware_setup, | |
3602 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3603 | SD_BUS_METHOD_WITH_ARGS("SetRebootToFirmwareSetup", | |
3604 | SD_BUS_ARGS("b", enable), | |
3605 | SD_BUS_NO_RESULT, | |
3606 | method_set_reboot_to_firmware_setup, | |
3607 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3608 | SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderMenu", | |
3609 | SD_BUS_NO_ARGS, | |
3610 | SD_BUS_RESULT("s", result), | |
3611 | method_can_reboot_to_boot_loader_menu, | |
3612 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3613 | SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderMenu", | |
3614 | SD_BUS_ARGS("t", timeout), | |
3615 | SD_BUS_NO_RESULT, | |
3616 | method_set_reboot_to_boot_loader_menu, | |
3617 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3618 | SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderEntry", | |
3619 | SD_BUS_NO_ARGS, | |
3620 | SD_BUS_RESULT("s", result), | |
3621 | method_can_reboot_to_boot_loader_entry, | |
3622 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3623 | SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderEntry", | |
3624 | SD_BUS_ARGS("s", boot_loader_entry), | |
3625 | SD_BUS_NO_RESULT, | |
3626 | method_set_reboot_to_boot_loader_entry, | |
3627 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3628 | SD_BUS_METHOD_WITH_ARGS("SetWallMessage", | |
3629 | SD_BUS_ARGS("s", wall_message, "b", enable), | |
3630 | SD_BUS_NO_RESULT, | |
3631 | method_set_wall_message, | |
3632 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3633 | ||
3634 | SD_BUS_SIGNAL_WITH_ARGS("SessionNew", | |
3635 | SD_BUS_ARGS("s", session_id, "o", object_path), | |
3636 | 0), | |
3637 | SD_BUS_SIGNAL_WITH_ARGS("SessionRemoved", | |
3638 | SD_BUS_ARGS("s", session_id, "o", object_path), | |
3639 | 0), | |
3640 | SD_BUS_SIGNAL_WITH_ARGS("UserNew", | |
3641 | SD_BUS_ARGS("u", uid, "o", object_path), | |
3642 | 0), | |
3643 | SD_BUS_SIGNAL_WITH_ARGS("UserRemoved", | |
3644 | SD_BUS_ARGS("u", uid, "o", object_path), | |
3645 | 0), | |
3646 | SD_BUS_SIGNAL_WITH_ARGS("SeatNew", | |
3647 | SD_BUS_ARGS("s", seat_id, "o", object_path), | |
3648 | 0), | |
3649 | SD_BUS_SIGNAL_WITH_ARGS("SeatRemoved", | |
3650 | SD_BUS_ARGS("s", seat_id, "o", object_path), | |
3651 | 0), | |
3652 | SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdown", | |
3653 | SD_BUS_ARGS("b", start), | |
3654 | 0), | |
3655 | SD_BUS_SIGNAL_WITH_ARGS("PrepareForSleep", | |
3656 | SD_BUS_ARGS("b", start), | |
3657 | 0), | |
cc377381 LP |
3658 | |
3659 | SD_BUS_VTABLE_END | |
3660 | }; | |
3f49d45a | 3661 | |
c2b178d3 ZJS |
3662 | const BusObjectImplementation manager_object = { |
3663 | "/org/freedesktop/login1", | |
3664 | "org.freedesktop.login1.Manager", | |
3665 | .vtables = BUS_VTABLES(manager_vtable), | |
3666 | .children = BUS_IMPLEMENTATIONS(&seat_object, | |
3667 | &session_object, | |
3668 | &user_object), | |
3669 | }; | |
3670 | ||
b39648ed | 3671 | static int session_jobs_reply(Session *s, uint32_t jid, const char *unit, const char *result) { |
99e7e392 DH |
3672 | assert(s); |
3673 | assert(unit); | |
3674 | ||
3675 | if (!s->started) | |
25a1ab4e | 3676 | return 0; |
99e7e392 | 3677 | |
25a1ab4e | 3678 | if (result && !streq(result, "done")) { |
4afd3348 | 3679 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99e7e392 | 3680 | |
124d7cb2 | 3681 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, |
b39648ed | 3682 | "Job %u for unit '%s' failed with '%s'", jid, unit, result); |
25a1ab4e | 3683 | return session_send_create_reply(s, &e); |
99e7e392 DH |
3684 | } |
3685 | ||
25a1ab4e | 3686 | return session_send_create_reply(s, NULL); |
99e7e392 DH |
3687 | } |
3688 | ||
19070062 | 3689 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3690 | const char *path, *result, *unit; |
3691 | Manager *m = userdata; | |
3692 | Session *session; | |
3693 | uint32_t id; | |
3694 | User *user; | |
3695 | int r; | |
3f49d45a | 3696 | |
cc377381 LP |
3697 | assert(message); |
3698 | assert(m); | |
3f49d45a | 3699 | |
cc377381 LP |
3700 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
3701 | if (r < 0) { | |
ebcf1f97 | 3702 | bus_log_parse_error(r); |
65d73cf0 | 3703 | return 0; |
cc377381 | 3704 | } |
3f49d45a | 3705 | |
cc377381 | 3706 | if (m->action_job && streq(m->action_job, path)) { |
5ed73478 LN |
3707 | assert(m->delayed_action); |
3708 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->delayed_action->inhibit_what)); | |
3f49d45a | 3709 | |
cc377381 | 3710 | /* Tell people that they now may take a lock again */ |
5ed73478 | 3711 | (void) send_prepare_for(m, m->delayed_action->inhibit_what, false); |
3f49d45a | 3712 | |
491ac9f2 | 3713 | m->action_job = mfree(m->action_job); |
5ed73478 | 3714 | m->delayed_action = NULL; |
cc377381 LP |
3715 | return 0; |
3716 | } | |
3f49d45a | 3717 | |
cc377381 | 3718 | session = hashmap_get(m->session_units, unit); |
25a1ab4e LP |
3719 | if (session) { |
3720 | if (streq_ptr(path, session->scope_job)) { | |
3721 | session->scope_job = mfree(session->scope_job); | |
b39648ed | 3722 | (void) session_jobs_reply(session, id, unit, result); |
25a1ab4e LP |
3723 | |
3724 | session_save(session); | |
3725 | user_save(session->user); | |
3726 | } | |
3f49d45a | 3727 | |
cc377381 LP |
3728 | session_add_to_gc_queue(session); |
3729 | } | |
3f49d45a | 3730 | |
cc377381 | 3731 | user = hashmap_get(m->user_units, unit); |
25a1ab4e LP |
3732 | if (user) { |
3733 | if (streq_ptr(path, user->service_job)) { | |
491ac9f2 | 3734 | user->service_job = mfree(user->service_job); |
3f49d45a | 3735 | |
25a1ab4e | 3736 | LIST_FOREACH(sessions_by_user, session, user->sessions) |
b39648ed | 3737 | (void) session_jobs_reply(session, id, unit, NULL /* don't propagate user service failures to the client */); |
3f49d45a | 3738 | |
25a1ab4e LP |
3739 | user_save(user); |
3740 | } | |
dd9b67aa | 3741 | |
cc377381 | 3742 | user_add_to_gc_queue(user); |
3f49d45a LP |
3743 | } |
3744 | ||
cc377381 | 3745 | return 0; |
3f49d45a LP |
3746 | } |
3747 | ||
19070062 | 3748 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 3749 | const char *path, *unit; |
1713813d | 3750 | Manager *m = userdata; |
cc377381 LP |
3751 | Session *session; |
3752 | User *user; | |
3753 | int r; | |
1713813d | 3754 | |
1713813d | 3755 | assert(message); |
cc377381 | 3756 | assert(m); |
1713813d | 3757 | |
cc377381 LP |
3758 | r = sd_bus_message_read(message, "so", &unit, &path); |
3759 | if (r < 0) { | |
ebcf1f97 | 3760 | bus_log_parse_error(r); |
65d73cf0 | 3761 | return 0; |
cc377381 | 3762 | } |
fb6becb4 | 3763 | |
cc377381 LP |
3764 | session = hashmap_get(m->session_units, unit); |
3765 | if (session) | |
3766 | session_add_to_gc_queue(session); | |
fb6becb4 | 3767 | |
cc377381 LP |
3768 | user = hashmap_get(m->user_units, unit); |
3769 | if (user) | |
3770 | user_add_to_gc_queue(user); | |
fb6becb4 | 3771 | |
cc377381 LP |
3772 | return 0; |
3773 | } | |
fb6becb4 | 3774 | |
19070062 | 3775 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3776 | _cleanup_free_ char *unit = NULL; |
3777 | Manager *m = userdata; | |
3778 | const char *path; | |
3779 | Session *session; | |
3780 | User *user; | |
ebcf1f97 | 3781 | int r; |
fb6becb4 | 3782 | |
cc377381 LP |
3783 | assert(message); |
3784 | assert(m); | |
fb6becb4 | 3785 | |
cc377381 LP |
3786 | path = sd_bus_message_get_path(message); |
3787 | if (!path) | |
3788 | return 0; | |
fb6becb4 | 3789 | |
ebcf1f97 | 3790 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
3791 | if (r == -EINVAL) /* not a unit */ |
3792 | return 0; | |
65d73cf0 LP |
3793 | if (r < 0) { |
3794 | log_oom(); | |
3795 | return 0; | |
3796 | } | |
fb6becb4 | 3797 | |
cc377381 LP |
3798 | session = hashmap_get(m->session_units, unit); |
3799 | if (session) | |
3800 | session_add_to_gc_queue(session); | |
fb6becb4 | 3801 | |
cc377381 LP |
3802 | user = hashmap_get(m->user_units, unit); |
3803 | if (user) | |
3804 | user_add_to_gc_queue(user); | |
fb6becb4 | 3805 | |
cc377381 LP |
3806 | return 0; |
3807 | } | |
6fa48533 | 3808 | |
19070062 | 3809 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
3810 | Manager *m = userdata; |
3811 | Session *session; | |
cc377381 | 3812 | int b, r; |
943aca8e | 3813 | |
19070062 LP |
3814 | assert(message); |
3815 | assert(m); | |
943aca8e | 3816 | |
cc377381 LP |
3817 | r = sd_bus_message_read(message, "b", &b); |
3818 | if (r < 0) { | |
ebcf1f97 | 3819 | bus_log_parse_error(r); |
65d73cf0 | 3820 | return 0; |
cc377381 | 3821 | } |
943aca8e | 3822 | |
cc377381 LP |
3823 | if (b) |
3824 | return 0; | |
943aca8e | 3825 | |
cc377381 LP |
3826 | /* systemd finished reloading, let's recheck all our sessions */ |
3827 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 3828 | |
90e74a66 | 3829 | HASHMAP_FOREACH(session, m->sessions) |
cc377381 | 3830 | session_add_to_gc_queue(session); |
6797c324 | 3831 | |
cc377381 LP |
3832 | return 0; |
3833 | } | |
943aca8e | 3834 | |
cc377381 LP |
3835 | int manager_send_changed(Manager *manager, const char *property, ...) { |
3836 | char **l; | |
9418f147 LP |
3837 | |
3838 | assert(manager); | |
3839 | ||
cc377381 | 3840 | l = strv_from_stdarg_alloca(property); |
9418f147 | 3841 | |
cc377381 LP |
3842 | return sd_bus_emit_properties_changed_strv( |
3843 | manager->bus, | |
3844 | "/org/freedesktop/login1", | |
3845 | "org.freedesktop.login1.Manager", | |
3846 | l); | |
9418f147 | 3847 | } |
eecd1362 | 3848 | |
2adae5ac ZJS |
3849 | static int strdup_job(sd_bus_message *reply, char **job) { |
3850 | const char *j; | |
3851 | char *copy; | |
3852 | int r; | |
3853 | ||
3854 | r = sd_bus_message_read(reply, "o", &j); | |
3855 | if (r < 0) | |
3856 | return r; | |
3857 | ||
3858 | copy = strdup(j); | |
3859 | if (!copy) | |
3860 | return -ENOMEM; | |
3861 | ||
3862 | *job = copy; | |
3863 | return 1; | |
3864 | } | |
3865 | ||
fb6becb4 LP |
3866 | int manager_start_scope( |
3867 | Manager *manager, | |
3868 | const char *scope, | |
3869 | pid_t pid, | |
3870 | const char *slice, | |
3871 | const char *description, | |
25a1ab4e LP |
3872 | char **wants, |
3873 | char **after, | |
d5ac9d06 | 3874 | const char *requires_mounts_for, |
22f93314 | 3875 | sd_bus_message *more_properties, |
cc377381 | 3876 | sd_bus_error *error, |
fb6becb4 LP |
3877 | char **job) { |
3878 | ||
4afd3348 | 3879 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
25a1ab4e | 3880 | char **i; |
cc377381 | 3881 | int r; |
fb6becb4 LP |
3882 | |
3883 | assert(manager); | |
3884 | assert(scope); | |
3885 | assert(pid > 1); | |
2adae5ac | 3886 | assert(job); |
fb6becb4 | 3887 | |
5d990cc5 | 3888 | r = bus_message_new_method_call(manager->bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
cc377381 LP |
3889 | if (r < 0) |
3890 | return r; | |
fb6becb4 | 3891 | |
cc377381 LP |
3892 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
3893 | if (r < 0) | |
3894 | return r; | |
fb6becb4 | 3895 | |
cc377381 LP |
3896 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
3897 | if (r < 0) | |
3898 | return r; | |
fb6becb4 LP |
3899 | |
3900 | if (!isempty(slice)) { | |
cc377381 LP |
3901 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
3902 | if (r < 0) | |
3903 | return r; | |
fb6becb4 LP |
3904 | } |
3905 | ||
3906 | if (!isempty(description)) { | |
cc377381 LP |
3907 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
3908 | if (r < 0) | |
3909 | return r; | |
fb6becb4 LP |
3910 | } |
3911 | ||
25a1ab4e LP |
3912 | STRV_FOREACH(i, wants) { |
3913 | r = sd_bus_message_append(m, "(sv)", "Wants", "as", 1, *i); | |
cc377381 LP |
3914 | if (r < 0) |
3915 | return r; | |
7fb3ee51 LP |
3916 | } |
3917 | ||
25a1ab4e LP |
3918 | STRV_FOREACH(i, after) { |
3919 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, *i); | |
ba4c5d93 LP |
3920 | if (r < 0) |
3921 | return r; | |
3922 | } | |
3923 | ||
d5ac9d06 LP |
3924 | if (!empty_or_root(requires_mounts_for)) { |
3925 | r = sd_bus_message_append(m, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for); | |
3926 | if (r < 0) | |
3927 | return r; | |
3928 | } | |
3929 | ||
e743bca2 LP |
3930 | /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore |
3931 | * SIGTERM */ | |
cc377381 LP |
3932 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3933 | if (r < 0) | |
3934 | return r; | |
3935 | ||
3936 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3937 | if (r < 0) | |
3938 | return r; | |
3939 | ||
22f93314 | 3940 | /* disable TasksMax= for the session scope, rely on the slice setting for it */ |
f5fbe71d | 3941 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_MAX); |
90558f31 | 3942 | if (r < 0) |
22f93314 JS |
3943 | return bus_log_create_error(r); |
3944 | ||
3945 | if (more_properties) { | |
3946 | /* If TasksMax also appears here, it will overwrite the default value set above */ | |
3947 | r = sd_bus_message_copy(m, more_properties, true); | |
3948 | if (r < 0) | |
3949 | return r; | |
3950 | } | |
90558f31 | 3951 | |
cc377381 LP |
3952 | r = sd_bus_message_close_container(m); |
3953 | if (r < 0) | |
3954 | return r; | |
86b8d289 LP |
3955 | |
3956 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3957 | if (r < 0) | |
3958 | return r; | |
cc377381 | 3959 | |
c49b30a2 | 3960 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
cc377381 LP |
3961 | if (r < 0) |
3962 | return r; | |
fb6becb4 | 3963 | |
2adae5ac | 3964 | return strdup_job(reply, job); |
fb6becb4 LP |
3965 | } |
3966 | ||
cc377381 | 3967 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 3968 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3969 | int r; |
3970 | ||
3971 | assert(manager); | |
3972 | assert(unit); | |
2adae5ac | 3973 | assert(job); |
fb6becb4 | 3974 | |
5d990cc5 | 3975 | r = bus_call_method( |
fb6becb4 | 3976 | manager->bus, |
5d990cc5 | 3977 | bus_systemd_mgr, |
fb6becb4 | 3978 | "StartUnit", |
fb6becb4 | 3979 | error, |
cc377381 | 3980 | &reply, |
79ee4ad1 | 3981 | "ss", unit, "replace"); |
cc377381 | 3982 | if (r < 0) |
fb6becb4 | 3983 | return r; |
fb6becb4 | 3984 | |
2adae5ac | 3985 | return strdup_job(reply, job); |
fb6becb4 LP |
3986 | } |
3987 | ||
1a42ce09 | 3988 | int manager_stop_unit(Manager *manager, const char *unit, const char *job_mode, sd_bus_error *error, char **ret_job) { |
4afd3348 | 3989 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
fb6becb4 LP |
3990 | int r; |
3991 | ||
3992 | assert(manager); | |
3993 | assert(unit); | |
1a42ce09 | 3994 | assert(ret_job); |
fb6becb4 | 3995 | |
5d990cc5 | 3996 | r = bus_call_method( |
fb6becb4 | 3997 | manager->bus, |
5d990cc5 | 3998 | bus_systemd_mgr, |
fb6becb4 | 3999 | "StopUnit", |
fb6becb4 | 4000 | error, |
cc377381 | 4001 | &reply, |
1a42ce09 | 4002 | "ss", unit, job_mode ?: "fail"); |
fb6becb4 | 4003 | if (r < 0) { |
955a6329 ZJS |
4004 | if (sd_bus_error_has_names(error, BUS_ERROR_NO_SUCH_UNIT, |
4005 | BUS_ERROR_LOAD_FAILED)) { | |
6797c324 | 4006 | |
1a42ce09 | 4007 | *ret_job = NULL; |
cc377381 | 4008 | sd_bus_error_free(error); |
6797c324 LP |
4009 | return 0; |
4010 | } | |
4011 | ||
fb6becb4 LP |
4012 | return r; |
4013 | } | |
4014 | ||
1a42ce09 | 4015 | return strdup_job(reply, ret_job); |
fb6becb4 LP |
4016 | } |
4017 | ||
ea3a7cf6 LP |
4018 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *ret_error) { |
4019 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5f41d1f1 LP |
4020 | _cleanup_free_ char *path = NULL; |
4021 | int r; | |
4022 | ||
4023 | assert(manager); | |
4024 | assert(scope); | |
4025 | ||
4026 | path = unit_dbus_path_from_name(scope); | |
4027 | if (!path) | |
4028 | return -ENOMEM; | |
4029 | ||
4030 | r = sd_bus_call_method( | |
4031 | manager->bus, | |
4032 | "org.freedesktop.systemd1", | |
4033 | path, | |
4034 | "org.freedesktop.systemd1.Scope", | |
4035 | "Abandon", | |
ea3a7cf6 | 4036 | &error, |
5f41d1f1 LP |
4037 | NULL, |
4038 | NULL); | |
4039 | if (r < 0) { | |
955a6329 ZJS |
4040 | if (sd_bus_error_has_names(&error, BUS_ERROR_NO_SUCH_UNIT, |
4041 | BUS_ERROR_LOAD_FAILED, | |
4042 | BUS_ERROR_SCOPE_NOT_RUNNING)) | |
5f41d1f1 | 4043 | return 0; |
5f41d1f1 | 4044 | |
ea3a7cf6 | 4045 | sd_bus_error_move(ret_error, &error); |
5f41d1f1 LP |
4046 | return r; |
4047 | } | |
4048 | ||
4049 | return 1; | |
4050 | } | |
4051 | ||
cc377381 | 4052 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
4053 | assert(manager); |
4054 | assert(unit); | |
4055 | ||
5d990cc5 | 4056 | return bus_call_method( |
fb6becb4 | 4057 | manager->bus, |
5d990cc5 | 4058 | bus_systemd_mgr, |
fb6becb4 | 4059 | "KillUnit", |
fb6becb4 | 4060 | error, |
cc377381 LP |
4061 | NULL, |
4062 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
4063 | } |
4064 | ||
bd26aee1 | 4065 | int manager_unit_is_active(Manager *manager, const char *unit, sd_bus_error *ret_error) { |
4afd3348 LP |
4066 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
4067 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
fb6becb4 | 4068 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 4069 | const char *state; |
fb6becb4 LP |
4070 | int r; |
4071 | ||
4072 | assert(manager); | |
4073 | assert(unit); | |
4074 | ||
fb6becb4 LP |
4075 | path = unit_dbus_path_from_name(unit); |
4076 | if (!path) | |
4077 | return -ENOMEM; | |
4078 | ||
cc377381 | 4079 | r = sd_bus_get_property( |
fb6becb4 LP |
4080 | manager->bus, |
4081 | "org.freedesktop.systemd1", | |
4082 | path, | |
cc377381 LP |
4083 | "org.freedesktop.systemd1.Unit", |
4084 | "ActiveState", | |
fb6becb4 | 4085 | &error, |
cc377381 LP |
4086 | &reply, |
4087 | "s"); | |
fb6becb4 | 4088 | if (r < 0) { |
ebcf6976 | 4089 | /* systemd might have dropped off momentarily, let's |
cc377381 | 4090 | * not make this an error */ |
955a6329 ZJS |
4091 | if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY, |
4092 | SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 4093 | return true; |
6797c324 | 4094 | |
cc377381 LP |
4095 | /* If the unit is already unloaded then it's not |
4096 | * active */ | |
955a6329 ZJS |
4097 | if (sd_bus_error_has_names(&error, BUS_ERROR_NO_SUCH_UNIT, |
4098 | BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 4099 | return false; |
6797c324 | 4100 | |
bd26aee1 | 4101 | sd_bus_error_move(ret_error, &error); |
fb6becb4 LP |
4102 | return r; |
4103 | } | |
4104 | ||
cc377381 LP |
4105 | r = sd_bus_message_read(reply, "s", &state); |
4106 | if (r < 0) | |
bd26aee1 | 4107 | return r; |
fb6becb4 | 4108 | |
bd26aee1 | 4109 | return !STR_IN_SET(state, "inactive", "failed"); |
cc377381 LP |
4110 | } |
4111 | ||
bd26aee1 | 4112 | int manager_job_is_active(Manager *manager, const char *path, sd_bus_error *ret_error) { |
4afd3348 LP |
4113 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
4114 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
cc377381 LP |
4115 | int r; |
4116 | ||
4117 | assert(manager); | |
4118 | assert(path); | |
4119 | ||
4120 | r = sd_bus_get_property( | |
4121 | manager->bus, | |
4122 | "org.freedesktop.systemd1", | |
4123 | path, | |
4124 | "org.freedesktop.systemd1.Job", | |
4125 | "State", | |
4126 | &error, | |
4127 | &reply, | |
4128 | "s"); | |
4129 | if (r < 0) { | |
955a6329 ZJS |
4130 | if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY, |
4131 | SD_BUS_ERROR_DISCONNECTED)) | |
cc377381 LP |
4132 | return true; |
4133 | ||
4134 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
4135 | return false; | |
4136 | ||
bd26aee1 | 4137 | sd_bus_error_move(ret_error, &error); |
cc377381 | 4138 | return r; |
fb6becb4 LP |
4139 | } |
4140 | ||
cc377381 LP |
4141 | /* We don't actually care about the state really. The fact |
4142 | * that we could read the job state is enough for us */ | |
fb6becb4 | 4143 | |
cc377381 | 4144 | return true; |
fb6becb4 | 4145 | } |