]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3f49d45a LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
8 | under the terms of the GNU Lesser General Public License as published by |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
3f49d45a LP |
10 | (at your option) any later version. |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 15 | Lesser General Public License for more details. |
3f49d45a | 16 | |
5430f7f2 | 17 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
19 | ***/ | |
20 | ||
21 | #include <errno.h> | |
a185c5aa | 22 | #include <string.h> |
3f49d45a | 23 | |
b5efdb8a | 24 | #include "alloc-util.h" |
96aad8d1 | 25 | #include "bus-common-errors.h" |
a6278b88 | 26 | #include "bus-label.h" |
3ffd4af2 LP |
27 | #include "bus-util.h" |
28 | #include "fd-util.h" | |
118ecf32 | 29 | #include "logind-session-device.h" |
3ffd4af2 LP |
30 | #include "logind-session.h" |
31 | #include "logind.h" | |
6eb7c172 | 32 | #include "signal-util.h" |
3ffd4af2 LP |
33 | #include "strv.h" |
34 | #include "util.h" | |
3f49d45a | 35 | |
cc377381 LP |
36 | static int property_get_user( |
37 | sd_bus *bus, | |
38 | const char *path, | |
39 | const char *interface, | |
40 | const char *property, | |
41 | sd_bus_message *reply, | |
ebcf1f97 LP |
42 | void *userdata, |
43 | sd_bus_error *error) { | |
cc377381 LP |
44 | |
45 | _cleanup_free_ char *p = NULL; | |
46 | Session *s = userdata; | |
47 | ||
48 | assert(bus); | |
49 | assert(reply); | |
3f49d45a LP |
50 | assert(s); |
51 | ||
cc377381 LP |
52 | p = user_bus_path(s->user); |
53 | if (!p) | |
3f49d45a LP |
54 | return -ENOMEM; |
55 | ||
cc377381 LP |
56 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
57 | } | |
3f49d45a | 58 | |
cc377381 LP |
59 | static int property_get_name( |
60 | sd_bus *bus, | |
61 | const char *path, | |
62 | const char *interface, | |
63 | const char *property, | |
64 | sd_bus_message *reply, | |
ebcf1f97 LP |
65 | void *userdata, |
66 | sd_bus_error *error) { | |
3f49d45a | 67 | |
cc377381 | 68 | Session *s = userdata; |
3f49d45a | 69 | |
cc377381 LP |
70 | assert(bus); |
71 | assert(reply); | |
72 | assert(s); | |
3f49d45a | 73 | |
cc377381 | 74 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
75 | } |
76 | ||
cc377381 LP |
77 | static int property_get_seat( |
78 | sd_bus *bus, | |
79 | const char *path, | |
80 | const char *interface, | |
81 | const char *property, | |
82 | sd_bus_message *reply, | |
ebcf1f97 LP |
83 | void *userdata, |
84 | sd_bus_error *error) { | |
3f49d45a | 85 | |
cc377381 LP |
86 | _cleanup_free_ char *p = NULL; |
87 | Session *s = userdata; | |
3f49d45a | 88 | |
cc377381 LP |
89 | assert(bus); |
90 | assert(reply); | |
91 | assert(s); | |
3f49d45a | 92 | |
cc377381 | 93 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
94 | if (!p) |
95 | return -ENOMEM; | |
96 | ||
cc377381 LP |
97 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
98 | } | |
3f49d45a | 99 | |
cc377381 LP |
100 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
101 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
3f49d45a | 102 | |
cc377381 LP |
103 | static int property_get_active( |
104 | sd_bus *bus, | |
105 | const char *path, | |
106 | const char *interface, | |
107 | const char *property, | |
108 | sd_bus_message *reply, | |
ebcf1f97 LP |
109 | void *userdata, |
110 | sd_bus_error *error) { | |
3f49d45a | 111 | |
cc377381 | 112 | Session *s = userdata; |
3f49d45a | 113 | |
cc377381 LP |
114 | assert(bus); |
115 | assert(reply); | |
3f49d45a LP |
116 | assert(s); |
117 | ||
cc377381 | 118 | return sd_bus_message_append(reply, "b", session_is_active(s)); |
3f49d45a LP |
119 | } |
120 | ||
cc377381 LP |
121 | static int property_get_state( |
122 | sd_bus *bus, | |
123 | const char *path, | |
124 | const char *interface, | |
125 | const char *property, | |
126 | sd_bus_message *reply, | |
ebcf1f97 LP |
127 | void *userdata, |
128 | sd_bus_error *error) { | |
a185c5aa | 129 | |
cc377381 LP |
130 | Session *s = userdata; |
131 | ||
132 | assert(bus); | |
133 | assert(reply); | |
a185c5aa LP |
134 | assert(s); |
135 | ||
cc377381 LP |
136 | return sd_bus_message_append(reply, "s", session_state_to_string(session_get_state(s))); |
137 | } | |
138 | ||
139 | static int property_get_idle_hint( | |
140 | sd_bus *bus, | |
141 | const char *path, | |
142 | const char *interface, | |
143 | const char *property, | |
144 | sd_bus_message *reply, | |
ebcf1f97 LP |
145 | void *userdata, |
146 | sd_bus_error *error) { | |
a185c5aa | 147 | |
cc377381 LP |
148 | Session *s = userdata; |
149 | ||
150 | assert(bus); | |
151 | assert(reply); | |
152 | assert(s); | |
153 | ||
154 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
155 | } |
156 | ||
cc377381 LP |
157 | static int property_get_idle_since_hint( |
158 | sd_bus *bus, | |
159 | const char *path, | |
160 | const char *interface, | |
161 | const char *property, | |
162 | sd_bus_message *reply, | |
ebcf1f97 LP |
163 | void *userdata, |
164 | sd_bus_error *error) { | |
cc377381 LP |
165 | |
166 | Session *s = userdata; | |
5cb14b37 | 167 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 168 | uint64_t u; |
ca4f2b6d | 169 | int r; |
a185c5aa | 170 | |
cc377381 LP |
171 | assert(bus); |
172 | assert(reply); | |
a185c5aa LP |
173 | assert(s); |
174 | ||
ca4f2b6d VP |
175 | r = session_get_idle_hint(s, &t); |
176 | if (r < 0) | |
177 | return r; | |
178 | ||
a185c5aa LP |
179 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
180 | ||
cc377381 | 181 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
182 | } |
183 | ||
42d35e13 VT |
184 | static int property_get_locked_hint( |
185 | sd_bus *bus, | |
186 | const char *path, | |
187 | const char *interface, | |
188 | const char *property, | |
189 | sd_bus_message *reply, | |
190 | void *userdata, | |
191 | sd_bus_error *error) { | |
192 | ||
193 | Session *s = userdata; | |
194 | ||
195 | assert(bus); | |
196 | assert(reply); | |
197 | assert(s); | |
198 | ||
199 | return sd_bus_message_append(reply, "b", session_get_locked_hint(s) > 0); | |
200 | } | |
201 | ||
19070062 | 202 | int bus_session_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
203 | Session *s = userdata; |
204 | int r; | |
0604381b | 205 | |
cc377381 | 206 | assert(message); |
0604381b LP |
207 | assert(s); |
208 | ||
c529695e LP |
209 | r = bus_verify_polkit_async( |
210 | message, | |
211 | CAP_KILL, | |
212 | "org.freedesktop.login1.manage", | |
403ed0e5 | 213 | NULL, |
c529695e LP |
214 | false, |
215 | s->user->uid, | |
216 | &s->manager->polkit_registry, | |
217 | error); | |
218 | if (r < 0) | |
219 | return r; | |
220 | if (r == 0) | |
221 | return 1; /* Will call us back */ | |
222 | ||
9bb69af4 | 223 | r = session_stop(s, true); |
cc377381 | 224 | if (r < 0) |
ebcf1f97 | 225 | return r; |
0604381b | 226 | |
df2d202e | 227 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
228 | } |
229 | ||
19070062 | 230 | int bus_session_method_activate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
231 | Session *s = userdata; |
232 | int r; | |
3f49d45a | 233 | |
cc377381 LP |
234 | assert(message); |
235 | assert(s); | |
3f49d45a | 236 | |
cc377381 LP |
237 | r = session_activate(s); |
238 | if (r < 0) | |
ebcf1f97 | 239 | return r; |
3f49d45a | 240 | |
df2d202e | 241 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
242 | } |
243 | ||
19070062 | 244 | int bus_session_method_lock(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
245 | Session *s = userdata; |
246 | int r; | |
247 | ||
cc377381 LP |
248 | assert(message); |
249 | assert(s); | |
3f49d45a | 250 | |
c529695e LP |
251 | r = bus_verify_polkit_async( |
252 | message, | |
253 | CAP_SYS_ADMIN, | |
254 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 255 | NULL, |
c529695e LP |
256 | false, |
257 | s->user->uid, | |
258 | &s->manager->polkit_registry, | |
259 | error); | |
260 | if (r < 0) | |
261 | return r; | |
262 | if (r == 0) | |
263 | return 1; /* Will call us back */ | |
264 | ||
265 | r = session_send_lock(s, strstr(sd_bus_message_get_member(message), "Lock")); | |
cc377381 | 266 | if (r < 0) |
ebcf1f97 | 267 | return r; |
3f49d45a | 268 | |
df2d202e | 269 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
270 | } |
271 | ||
19070062 | 272 | static int method_set_idle_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 273 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
274 | Session *s = userdata; |
275 | uid_t uid; | |
276 | int r, b; | |
d200735e | 277 | |
cc377381 LP |
278 | assert(message); |
279 | assert(s); | |
280 | ||
281 | r = sd_bus_message_read(message, "b", &b); | |
282 | if (r < 0) | |
ebcf1f97 | 283 | return r; |
d200735e | 284 | |
05bae4a6 | 285 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
286 | if (r < 0) |
287 | return r; | |
288 | ||
05bae4a6 | 289 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 290 | if (r < 0) |
ebcf1f97 | 291 | return r; |
cc377381 LP |
292 | |
293 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 294 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
295 | |
296 | session_set_idle_hint(s, b); | |
3f49d45a | 297 | |
df2d202e | 298 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
299 | } |
300 | ||
42d35e13 VT |
301 | static int method_set_locked_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
302 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
303 | Session *s = userdata; | |
304 | uid_t uid; | |
305 | int r, b; | |
306 | ||
307 | assert(message); | |
308 | assert(s); | |
309 | ||
310 | r = sd_bus_message_read(message, "b", &b); | |
311 | if (r < 0) | |
312 | return r; | |
313 | ||
314 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
315 | if (r < 0) | |
316 | return r; | |
317 | ||
318 | r = sd_bus_creds_get_euid(creds, &uid); | |
319 | if (r < 0) | |
320 | return r; | |
321 | ||
322 | if (uid != 0 && uid != s->user->uid) | |
323 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set locked hint"); | |
324 | ||
325 | session_set_locked_hint(s, b); | |
326 | ||
327 | return sd_bus_reply_method_return(message, NULL); | |
328 | } | |
329 | ||
19070062 | 330 | int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
331 | Session *s = userdata; |
332 | const char *swho; | |
333 | int32_t signo; | |
334 | KillWho who; | |
bef422ae LP |
335 | int r; |
336 | ||
3f49d45a | 337 | assert(message); |
cc377381 | 338 | assert(s); |
3f49d45a | 339 | |
cc377381 LP |
340 | r = sd_bus_message_read(message, "si", &swho, &signo); |
341 | if (r < 0) | |
ebcf1f97 | 342 | return r; |
cc377381 LP |
343 | |
344 | if (isempty(swho)) | |
345 | who = KILL_ALL; | |
346 | else { | |
347 | who = kill_who_from_string(swho); | |
348 | if (who < 0) | |
ebcf1f97 | 349 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 350 | } |
bef422ae | 351 | |
6eb7c172 | 352 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 353 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 354 | |
c529695e LP |
355 | r = bus_verify_polkit_async( |
356 | message, | |
357 | CAP_KILL, | |
358 | "org.freedesktop.login1.manage", | |
403ed0e5 | 359 | NULL, |
c529695e LP |
360 | false, |
361 | s->user->uid, | |
362 | &s->manager->polkit_registry, | |
363 | error); | |
364 | if (r < 0) | |
365 | return r; | |
366 | if (r == 0) | |
367 | return 1; /* Will call us back */ | |
368 | ||
cc377381 LP |
369 | r = session_kill(s, who, signo); |
370 | if (r < 0) | |
ebcf1f97 | 371 | return r; |
bef422ae | 372 | |
df2d202e | 373 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 374 | } |
bef422ae | 375 | |
19070062 | 376 | static int method_take_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 377 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
378 | Session *s = userdata; |
379 | int r, force; | |
380 | uid_t uid; | |
bef422ae | 381 | |
cc377381 LP |
382 | assert(message); |
383 | assert(s); | |
bef422ae | 384 | |
cc377381 LP |
385 | r = sd_bus_message_read(message, "b", &force); |
386 | if (r < 0) | |
ebcf1f97 | 387 | return r; |
bef422ae | 388 | |
05bae4a6 | 389 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
390 | if (r < 0) |
391 | return r; | |
392 | ||
05bae4a6 | 393 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 394 | if (r < 0) |
ebcf1f97 | 395 | return r; |
bef422ae | 396 | |
cc377381 | 397 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 398 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 399 | |
dc6284e9 | 400 | r = session_set_controller(s, sd_bus_message_get_sender(message), force, true); |
cc377381 | 401 | if (r < 0) |
ebcf1f97 | 402 | return r; |
bef422ae | 403 | |
df2d202e | 404 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 405 | } |
bef422ae | 406 | |
19070062 | 407 | static int method_release_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 408 | Session *s = userdata; |
bef422ae | 409 | |
cc377381 LP |
410 | assert(message); |
411 | assert(s); | |
5bc849fd | 412 | |
cc377381 | 413 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 414 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 415 | |
cc377381 | 416 | session_drop_controller(s); |
bef422ae | 417 | |
df2d202e | 418 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 419 | } |
bef422ae | 420 | |
19070062 | 421 | static int method_take_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
422 | Session *s = userdata; |
423 | uint32_t major, minor; | |
424 | SessionDevice *sd; | |
425 | dev_t dev; | |
426 | int r; | |
de07ab16 | 427 | |
cc377381 LP |
428 | assert(message); |
429 | assert(s); | |
de07ab16 | 430 | |
cc377381 LP |
431 | r = sd_bus_message_read(message, "uu", &major, &minor); |
432 | if (r < 0) | |
ebcf1f97 | 433 | return r; |
cc377381 LP |
434 | |
435 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 436 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
437 | |
438 | dev = makedev(major, minor); | |
439 | sd = hashmap_get(s->devices, &dev); | |
440 | if (sd) | |
441 | /* We don't allow retrieving a device multiple times. | |
442 | * The related ReleaseDevice call is not ref-counted. | |
443 | * The caller should use dup() if it requires more | |
444 | * than one fd (it would be functionally | |
445 | * equivalent). */ | |
ebcf1f97 | 446 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 | 447 | |
aed24c4c | 448 | r = session_device_new(s, dev, true, &sd); |
cc377381 | 449 | if (r < 0) |
ebcf1f97 | 450 | return r; |
de07ab16 | 451 | |
aed24c4c FB |
452 | r = session_device_save(sd); |
453 | if (r < 0) | |
454 | goto error; | |
455 | ||
df2d202e | 456 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 | 457 | if (r < 0) |
aed24c4c FB |
458 | goto error; |
459 | ||
460 | session_save(s); | |
2e681921 | 461 | return 1; |
118ecf32 | 462 | |
aed24c4c FB |
463 | error: |
464 | session_device_free(sd); | |
cc377381 LP |
465 | return r; |
466 | } | |
118ecf32 | 467 | |
19070062 | 468 | static int method_release_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
469 | Session *s = userdata; |
470 | uint32_t major, minor; | |
471 | SessionDevice *sd; | |
472 | dev_t dev; | |
473 | int r; | |
118ecf32 | 474 | |
cc377381 LP |
475 | assert(message); |
476 | assert(s); | |
118ecf32 | 477 | |
cc377381 LP |
478 | r = sd_bus_message_read(message, "uu", &major, &minor); |
479 | if (r < 0) | |
ebcf1f97 | 480 | return r; |
118ecf32 | 481 | |
cc377381 | 482 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 483 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 484 | |
cc377381 LP |
485 | dev = makedev(major, minor); |
486 | sd = hashmap_get(s->devices, &dev); | |
487 | if (!sd) | |
ebcf1f97 | 488 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 489 | |
cc377381 | 490 | session_device_free(sd); |
aed24c4c FB |
491 | session_save(s); |
492 | ||
df2d202e | 493 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 494 | } |
118ecf32 | 495 | |
19070062 | 496 | static int method_pause_device_complete(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
497 | Session *s = userdata; |
498 | uint32_t major, minor; | |
499 | SessionDevice *sd; | |
500 | dev_t dev; | |
501 | int r; | |
118ecf32 | 502 | |
cc377381 LP |
503 | assert(message); |
504 | assert(s); | |
bef422ae | 505 | |
cc377381 LP |
506 | r = sd_bus_message_read(message, "uu", &major, &minor); |
507 | if (r < 0) | |
ebcf1f97 | 508 | return r; |
cc377381 LP |
509 | |
510 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 511 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 512 | |
cc377381 LP |
513 | dev = makedev(major, minor); |
514 | sd = hashmap_get(s->devices, &dev); | |
515 | if (!sd) | |
ebcf1f97 | 516 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 517 | |
cc377381 | 518 | session_device_complete_pause(sd); |
bef422ae | 519 | |
df2d202e | 520 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
521 | } |
522 | ||
cc377381 LP |
523 | const sd_bus_vtable session_vtable[] = { |
524 | SD_BUS_VTABLE_START(0), | |
525 | ||
556089dc LP |
526 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
527 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
528 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
529 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
530 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
531 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
532 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
533 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
534 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
535 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
536 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
537 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 538 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
539 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
540 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
541 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
542 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
543 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
544 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
545 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
546 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
547 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
548 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
42d35e13 | 549 | SD_BUS_PROPERTY("LockedHint", "b", property_get_locked_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
cc377381 | 550 | |
c529695e LP |
551 | SD_BUS_METHOD("Terminate", NULL, NULL, bus_session_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), |
552 | SD_BUS_METHOD("Activate", NULL, NULL, bus_session_method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
553 | SD_BUS_METHOD("Lock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
554 | SD_BUS_METHOD("Unlock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 555 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
42d35e13 | 556 | SD_BUS_METHOD("SetLockedHint", "b", NULL, method_set_locked_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
c529695e | 557 | SD_BUS_METHOD("Kill", "si", NULL, bus_session_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
558 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), |
559 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
560 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
561 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
562 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
563 | |
564 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
565 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
566 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
567 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
568 | ||
569 | SD_BUS_VTABLE_END | |
570 | }; | |
3f49d45a | 571 | |
f00c3121 | 572 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 573 | Manager *m = userdata; |
cc377381 | 574 | Session *session; |
927b1649 | 575 | int r; |
3f49d45a | 576 | |
cc377381 LP |
577 | assert(bus); |
578 | assert(path); | |
579 | assert(interface); | |
580 | assert(found); | |
581 | assert(m); | |
3f49d45a | 582 | |
927b1649 LP |
583 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
584 | sd_bus_message *message; | |
3f49d45a | 585 | |
19befb2d | 586 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
587 | if (!message) |
588 | return 0; | |
589 | ||
e4d2984b | 590 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
927b1649 | 591 | if (r < 0) |
5b12334d | 592 | return r; |
927b1649 LP |
593 | } else { |
594 | _cleanup_free_ char *e = NULL; | |
595 | const char *p; | |
3f49d45a | 596 | |
927b1649 LP |
597 | p = startswith(path, "/org/freedesktop/login1/session/"); |
598 | if (!p) | |
599 | return 0; | |
600 | ||
a6278b88 | 601 | e = bus_label_unescape(p); |
927b1649 LP |
602 | if (!e) |
603 | return -ENOMEM; | |
604 | ||
605 | session = hashmap_get(m->sessions, e); | |
e4d2984b AJ |
606 | if (!session) |
607 | return 0; | |
927b1649 | 608 | } |
3f49d45a | 609 | |
cc377381 LP |
610 | *found = session; |
611 | return 1; | |
3f49d45a LP |
612 | } |
613 | ||
3f49d45a | 614 | char *session_bus_path(Session *s) { |
9444b1f2 | 615 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
616 | |
617 | assert(s); | |
618 | ||
a6278b88 | 619 | t = bus_label_escape(s->id); |
3f49d45a LP |
620 | if (!t) |
621 | return NULL; | |
622 | ||
4654e558 | 623 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 624 | } |
da119395 | 625 | |
f00c3121 | 626 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 | 627 | _cleanup_strv_free_ char **l = NULL; |
ca56b0a6 | 628 | sd_bus_message *message; |
cc377381 LP |
629 | Manager *m = userdata; |
630 | Session *session; | |
631 | Iterator i; | |
632 | int r; | |
633 | ||
634 | assert(bus); | |
635 | assert(path); | |
636 | assert(nodes); | |
637 | ||
638 | HASHMAP_FOREACH(session, m->sessions, i) { | |
639 | char *p; | |
640 | ||
641 | p = session_bus_path(session); | |
642 | if (!p) | |
643 | return -ENOMEM; | |
644 | ||
6e18964d ZJS |
645 | r = strv_consume(&l, p); |
646 | if (r < 0) | |
cc377381 | 647 | return r; |
cc377381 LP |
648 | } |
649 | ||
ca56b0a6 DH |
650 | message = sd_bus_get_current_message(bus); |
651 | if (message) { | |
4afd3348 | 652 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
ca56b0a6 DH |
653 | const char *name; |
654 | ||
655 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); | |
656 | if (r >= 0) { | |
657 | r = sd_bus_creds_get_session(creds, &name); | |
658 | if (r >= 0) { | |
659 | session = hashmap_get(m->sessions, name); | |
660 | if (session) { | |
661 | r = strv_extend(&l, "/org/freedesktop/login1/session/self"); | |
662 | if (r < 0) | |
663 | return r; | |
664 | } | |
665 | } | |
666 | } | |
667 | } | |
b298e984 | 668 | |
cc377381 LP |
669 | *nodes = l; |
670 | l = NULL; | |
671 | ||
672 | return 1; | |
673 | } | |
674 | ||
da119395 | 675 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 676 | _cleanup_free_ char *p = NULL; |
da119395 LP |
677 | |
678 | assert(s); | |
679 | ||
da119395 LP |
680 | p = session_bus_path(s); |
681 | if (!p) | |
4654e558 | 682 | return -ENOMEM; |
da119395 | 683 | |
cc377381 LP |
684 | return sd_bus_emit_signal( |
685 | s->manager->bus, | |
686 | "/org/freedesktop/login1", | |
687 | "org.freedesktop.login1.Manager", | |
688 | new_session ? "SessionNew" : "SessionRemoved", | |
689 | "so", s->id, p); | |
da119395 | 690 | } |
9418f147 | 691 | |
cc377381 | 692 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 693 | _cleanup_free_ char *p = NULL; |
cc377381 | 694 | char **l; |
9418f147 LP |
695 | |
696 | assert(s); | |
697 | ||
ed18b08b LP |
698 | if (!s->started) |
699 | return 0; | |
700 | ||
9418f147 LP |
701 | p = session_bus_path(s); |
702 | if (!p) | |
703 | return -ENOMEM; | |
704 | ||
cc377381 | 705 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 706 | |
cc377381 | 707 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 708 | } |
88e3dc90 LP |
709 | |
710 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 711 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
712 | |
713 | assert(s); | |
714 | ||
715 | p = session_bus_path(s); | |
716 | if (!p) | |
717 | return -ENOMEM; | |
718 | ||
cc377381 LP |
719 | return sd_bus_emit_signal( |
720 | s->manager->bus, | |
721 | p, | |
722 | "org.freedesktop.login1.Session", | |
723 | lock ? "Lock" : "Unlock", | |
724 | NULL); | |
88e3dc90 | 725 | } |
7ba64386 LP |
726 | |
727 | int session_send_lock_all(Manager *m, bool lock) { | |
728 | Session *session; | |
729 | Iterator i; | |
730 | int r = 0; | |
731 | ||
732 | assert(m); | |
733 | ||
734 | HASHMAP_FOREACH(session, m->sessions, i) { | |
735 | int k; | |
736 | ||
737 | k = session_send_lock(session, lock); | |
738 | if (k < 0) | |
739 | r = k; | |
740 | } | |
741 | ||
742 | return r; | |
743 | } | |
fb6becb4 | 744 | |
cc377381 | 745 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
4afd3348 | 746 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL; |
cc377381 LP |
747 | _cleanup_close_ int fifo_fd = -1; |
748 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
749 | |
750 | assert(s); | |
751 | ||
dd9b67aa LP |
752 | /* This is called after the session scope and the user service |
753 | * were successfully created, and finishes where | |
754 | * bus_manager_create_session() left off. */ | |
cba38758 | 755 | |
cc377381 LP |
756 | if (!s->create_message) |
757 | return 0; | |
fb6becb4 | 758 | |
dd9b67aa LP |
759 | if (!sd_bus_error_is_set(error) && (s->scope_job || s->user->service_job)) |
760 | return 0; | |
761 | ||
cc377381 LP |
762 | c = s->create_message; |
763 | s->create_message = NULL; | |
fb6becb4 | 764 | |
cc377381 | 765 | if (error) |
df2d202e | 766 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 767 | |
cc377381 LP |
768 | fifo_fd = session_create_fifo(s); |
769 | if (fifo_fd < 0) | |
770 | return fifo_fd; | |
fb6becb4 | 771 | |
38fdcbed TA |
772 | /* Update the session state file before we notify the client |
773 | * about the result. */ | |
774 | session_save(s); | |
775 | ||
cc377381 LP |
776 | p = session_bus_path(s); |
777 | if (!p) | |
778 | return -ENOMEM; | |
fb6becb4 | 779 | |
5a330cda | 780 | log_debug("Sending reply about created session: " |
236af516 DH |
781 | "id=%s object_path=%s uid=%u runtime_path=%s " |
782 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
783 | s->id, |
784 | p, | |
236af516 | 785 | (uint32_t) s->user->uid, |
5a330cda ZJS |
786 | s->user->runtime_path, |
787 | fifo_fd, | |
788 | s->seat ? s->seat->id : "", | |
789 | (uint32_t) s->vtnr); | |
790 | ||
cc377381 | 791 | return sd_bus_reply_method_return( |
baae0358 | 792 | c, "soshusub", |
cc377381 LP |
793 | s->id, |
794 | p, | |
795 | s->user->runtime_path, | |
796 | fifo_fd, | |
baae0358 | 797 | (uint32_t) s->user->uid, |
cc377381 LP |
798 | s->seat ? s->seat->id : "", |
799 | (uint32_t) s->vtnr, | |
800 | false); | |
fb6becb4 | 801 | } |