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3f49d45a LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
3f49d45a LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
3f49d45a | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
20 | #include <errno.h> | |
a185c5aa | 21 | #include <string.h> |
3f49d45a | 22 | |
b5efdb8a | 23 | #include "alloc-util.h" |
96aad8d1 | 24 | #include "bus-common-errors.h" |
a6278b88 | 25 | #include "bus-label.h" |
3ffd4af2 LP |
26 | #include "bus-util.h" |
27 | #include "fd-util.h" | |
118ecf32 | 28 | #include "logind-session-device.h" |
3ffd4af2 LP |
29 | #include "logind-session.h" |
30 | #include "logind.h" | |
6eb7c172 | 31 | #include "signal-util.h" |
3ffd4af2 LP |
32 | #include "strv.h" |
33 | #include "util.h" | |
3f49d45a | 34 | |
cc377381 LP |
35 | static int property_get_user( |
36 | sd_bus *bus, | |
37 | const char *path, | |
38 | const char *interface, | |
39 | const char *property, | |
40 | sd_bus_message *reply, | |
ebcf1f97 LP |
41 | void *userdata, |
42 | sd_bus_error *error) { | |
cc377381 LP |
43 | |
44 | _cleanup_free_ char *p = NULL; | |
45 | Session *s = userdata; | |
46 | ||
47 | assert(bus); | |
48 | assert(reply); | |
3f49d45a LP |
49 | assert(s); |
50 | ||
cc377381 LP |
51 | p = user_bus_path(s->user); |
52 | if (!p) | |
3f49d45a LP |
53 | return -ENOMEM; |
54 | ||
cc377381 LP |
55 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
56 | } | |
3f49d45a | 57 | |
cc377381 LP |
58 | static int property_get_name( |
59 | sd_bus *bus, | |
60 | const char *path, | |
61 | const char *interface, | |
62 | const char *property, | |
63 | sd_bus_message *reply, | |
ebcf1f97 LP |
64 | void *userdata, |
65 | sd_bus_error *error) { | |
3f49d45a | 66 | |
cc377381 | 67 | Session *s = userdata; |
3f49d45a | 68 | |
cc377381 LP |
69 | assert(bus); |
70 | assert(reply); | |
71 | assert(s); | |
3f49d45a | 72 | |
cc377381 | 73 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
74 | } |
75 | ||
cc377381 LP |
76 | static int property_get_seat( |
77 | sd_bus *bus, | |
78 | const char *path, | |
79 | const char *interface, | |
80 | const char *property, | |
81 | sd_bus_message *reply, | |
ebcf1f97 LP |
82 | void *userdata, |
83 | sd_bus_error *error) { | |
3f49d45a | 84 | |
cc377381 LP |
85 | _cleanup_free_ char *p = NULL; |
86 | Session *s = userdata; | |
3f49d45a | 87 | |
cc377381 LP |
88 | assert(bus); |
89 | assert(reply); | |
90 | assert(s); | |
3f49d45a | 91 | |
cc377381 | 92 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
93 | if (!p) |
94 | return -ENOMEM; | |
95 | ||
cc377381 LP |
96 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
97 | } | |
3f49d45a | 98 | |
cc377381 LP |
99 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
100 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
3f49d45a | 101 | |
cc377381 LP |
102 | static int property_get_active( |
103 | sd_bus *bus, | |
104 | const char *path, | |
105 | const char *interface, | |
106 | const char *property, | |
107 | sd_bus_message *reply, | |
ebcf1f97 LP |
108 | void *userdata, |
109 | sd_bus_error *error) { | |
3f49d45a | 110 | |
cc377381 | 111 | Session *s = userdata; |
3f49d45a | 112 | |
cc377381 LP |
113 | assert(bus); |
114 | assert(reply); | |
3f49d45a LP |
115 | assert(s); |
116 | ||
cc377381 | 117 | return sd_bus_message_append(reply, "b", session_is_active(s)); |
3f49d45a LP |
118 | } |
119 | ||
cc377381 LP |
120 | static int property_get_state( |
121 | sd_bus *bus, | |
122 | const char *path, | |
123 | const char *interface, | |
124 | const char *property, | |
125 | sd_bus_message *reply, | |
ebcf1f97 LP |
126 | void *userdata, |
127 | sd_bus_error *error) { | |
a185c5aa | 128 | |
cc377381 LP |
129 | Session *s = userdata; |
130 | ||
131 | assert(bus); | |
132 | assert(reply); | |
a185c5aa LP |
133 | assert(s); |
134 | ||
cc377381 LP |
135 | return sd_bus_message_append(reply, "s", session_state_to_string(session_get_state(s))); |
136 | } | |
137 | ||
138 | static int property_get_idle_hint( | |
139 | sd_bus *bus, | |
140 | const char *path, | |
141 | const char *interface, | |
142 | const char *property, | |
143 | sd_bus_message *reply, | |
ebcf1f97 LP |
144 | void *userdata, |
145 | sd_bus_error *error) { | |
a185c5aa | 146 | |
cc377381 LP |
147 | Session *s = userdata; |
148 | ||
149 | assert(bus); | |
150 | assert(reply); | |
151 | assert(s); | |
152 | ||
153 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
154 | } |
155 | ||
cc377381 LP |
156 | static int property_get_idle_since_hint( |
157 | sd_bus *bus, | |
158 | const char *path, | |
159 | const char *interface, | |
160 | const char *property, | |
161 | sd_bus_message *reply, | |
ebcf1f97 LP |
162 | void *userdata, |
163 | sd_bus_error *error) { | |
cc377381 LP |
164 | |
165 | Session *s = userdata; | |
5cb14b37 | 166 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 167 | uint64_t u; |
ca4f2b6d | 168 | int r; |
a185c5aa | 169 | |
cc377381 LP |
170 | assert(bus); |
171 | assert(reply); | |
a185c5aa LP |
172 | assert(s); |
173 | ||
ca4f2b6d VP |
174 | r = session_get_idle_hint(s, &t); |
175 | if (r < 0) | |
176 | return r; | |
177 | ||
a185c5aa LP |
178 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
179 | ||
cc377381 | 180 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
181 | } |
182 | ||
42d35e13 VT |
183 | static int property_get_locked_hint( |
184 | sd_bus *bus, | |
185 | const char *path, | |
186 | const char *interface, | |
187 | const char *property, | |
188 | sd_bus_message *reply, | |
189 | void *userdata, | |
190 | sd_bus_error *error) { | |
191 | ||
192 | Session *s = userdata; | |
193 | ||
194 | assert(bus); | |
195 | assert(reply); | |
196 | assert(s); | |
197 | ||
198 | return sd_bus_message_append(reply, "b", session_get_locked_hint(s) > 0); | |
199 | } | |
200 | ||
19070062 | 201 | int bus_session_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
202 | Session *s = userdata; |
203 | int r; | |
0604381b | 204 | |
cc377381 | 205 | assert(message); |
0604381b LP |
206 | assert(s); |
207 | ||
c529695e LP |
208 | r = bus_verify_polkit_async( |
209 | message, | |
210 | CAP_KILL, | |
211 | "org.freedesktop.login1.manage", | |
403ed0e5 | 212 | NULL, |
c529695e LP |
213 | false, |
214 | s->user->uid, | |
215 | &s->manager->polkit_registry, | |
216 | error); | |
217 | if (r < 0) | |
218 | return r; | |
219 | if (r == 0) | |
220 | return 1; /* Will call us back */ | |
221 | ||
9bb69af4 | 222 | r = session_stop(s, true); |
cc377381 | 223 | if (r < 0) |
ebcf1f97 | 224 | return r; |
0604381b | 225 | |
df2d202e | 226 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
227 | } |
228 | ||
19070062 | 229 | int bus_session_method_activate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
230 | Session *s = userdata; |
231 | int r; | |
3f49d45a | 232 | |
cc377381 LP |
233 | assert(message); |
234 | assert(s); | |
3f49d45a | 235 | |
cc377381 LP |
236 | r = session_activate(s); |
237 | if (r < 0) | |
ebcf1f97 | 238 | return r; |
3f49d45a | 239 | |
df2d202e | 240 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
241 | } |
242 | ||
19070062 | 243 | int bus_session_method_lock(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
244 | Session *s = userdata; |
245 | int r; | |
246 | ||
cc377381 LP |
247 | assert(message); |
248 | assert(s); | |
3f49d45a | 249 | |
c529695e LP |
250 | r = bus_verify_polkit_async( |
251 | message, | |
252 | CAP_SYS_ADMIN, | |
253 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 254 | NULL, |
c529695e LP |
255 | false, |
256 | s->user->uid, | |
257 | &s->manager->polkit_registry, | |
258 | error); | |
259 | if (r < 0) | |
260 | return r; | |
261 | if (r == 0) | |
262 | return 1; /* Will call us back */ | |
263 | ||
264 | r = session_send_lock(s, strstr(sd_bus_message_get_member(message), "Lock")); | |
cc377381 | 265 | if (r < 0) |
ebcf1f97 | 266 | return r; |
3f49d45a | 267 | |
df2d202e | 268 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
269 | } |
270 | ||
19070062 | 271 | static int method_set_idle_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 272 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
273 | Session *s = userdata; |
274 | uid_t uid; | |
275 | int r, b; | |
d200735e | 276 | |
cc377381 LP |
277 | assert(message); |
278 | assert(s); | |
279 | ||
280 | r = sd_bus_message_read(message, "b", &b); | |
281 | if (r < 0) | |
ebcf1f97 | 282 | return r; |
d200735e | 283 | |
05bae4a6 | 284 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
285 | if (r < 0) |
286 | return r; | |
287 | ||
05bae4a6 | 288 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 289 | if (r < 0) |
ebcf1f97 | 290 | return r; |
cc377381 LP |
291 | |
292 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 293 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
294 | |
295 | session_set_idle_hint(s, b); | |
3f49d45a | 296 | |
df2d202e | 297 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
298 | } |
299 | ||
42d35e13 VT |
300 | static int method_set_locked_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
301 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
302 | Session *s = userdata; | |
303 | uid_t uid; | |
304 | int r, b; | |
305 | ||
306 | assert(message); | |
307 | assert(s); | |
308 | ||
309 | r = sd_bus_message_read(message, "b", &b); | |
310 | if (r < 0) | |
311 | return r; | |
312 | ||
313 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
314 | if (r < 0) | |
315 | return r; | |
316 | ||
317 | r = sd_bus_creds_get_euid(creds, &uid); | |
318 | if (r < 0) | |
319 | return r; | |
320 | ||
321 | if (uid != 0 && uid != s->user->uid) | |
322 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set locked hint"); | |
323 | ||
324 | session_set_locked_hint(s, b); | |
325 | ||
326 | return sd_bus_reply_method_return(message, NULL); | |
327 | } | |
328 | ||
19070062 | 329 | int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
330 | Session *s = userdata; |
331 | const char *swho; | |
332 | int32_t signo; | |
333 | KillWho who; | |
bef422ae LP |
334 | int r; |
335 | ||
3f49d45a | 336 | assert(message); |
cc377381 | 337 | assert(s); |
3f49d45a | 338 | |
cc377381 LP |
339 | r = sd_bus_message_read(message, "si", &swho, &signo); |
340 | if (r < 0) | |
ebcf1f97 | 341 | return r; |
cc377381 LP |
342 | |
343 | if (isempty(swho)) | |
344 | who = KILL_ALL; | |
345 | else { | |
346 | who = kill_who_from_string(swho); | |
347 | if (who < 0) | |
ebcf1f97 | 348 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 349 | } |
bef422ae | 350 | |
6eb7c172 | 351 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 352 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 353 | |
c529695e LP |
354 | r = bus_verify_polkit_async( |
355 | message, | |
356 | CAP_KILL, | |
357 | "org.freedesktop.login1.manage", | |
403ed0e5 | 358 | NULL, |
c529695e LP |
359 | false, |
360 | s->user->uid, | |
361 | &s->manager->polkit_registry, | |
362 | error); | |
363 | if (r < 0) | |
364 | return r; | |
365 | if (r == 0) | |
366 | return 1; /* Will call us back */ | |
367 | ||
cc377381 LP |
368 | r = session_kill(s, who, signo); |
369 | if (r < 0) | |
ebcf1f97 | 370 | return r; |
bef422ae | 371 | |
df2d202e | 372 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 373 | } |
bef422ae | 374 | |
19070062 | 375 | static int method_take_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 376 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
377 | Session *s = userdata; |
378 | int r, force; | |
379 | uid_t uid; | |
bef422ae | 380 | |
cc377381 LP |
381 | assert(message); |
382 | assert(s); | |
bef422ae | 383 | |
cc377381 LP |
384 | r = sd_bus_message_read(message, "b", &force); |
385 | if (r < 0) | |
ebcf1f97 | 386 | return r; |
bef422ae | 387 | |
05bae4a6 | 388 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
389 | if (r < 0) |
390 | return r; | |
391 | ||
05bae4a6 | 392 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 393 | if (r < 0) |
ebcf1f97 | 394 | return r; |
bef422ae | 395 | |
cc377381 | 396 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 397 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 398 | |
cc377381 LP |
399 | r = session_set_controller(s, sd_bus_message_get_sender(message), force); |
400 | if (r < 0) | |
ebcf1f97 | 401 | return r; |
bef422ae | 402 | |
df2d202e | 403 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 404 | } |
bef422ae | 405 | |
19070062 | 406 | static int method_release_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 407 | Session *s = userdata; |
bef422ae | 408 | |
cc377381 LP |
409 | assert(message); |
410 | assert(s); | |
5bc849fd | 411 | |
cc377381 | 412 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 413 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 414 | |
cc377381 | 415 | session_drop_controller(s); |
bef422ae | 416 | |
df2d202e | 417 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 418 | } |
bef422ae | 419 | |
19070062 | 420 | static int method_take_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
421 | Session *s = userdata; |
422 | uint32_t major, minor; | |
423 | SessionDevice *sd; | |
424 | dev_t dev; | |
425 | int r; | |
de07ab16 | 426 | |
cc377381 LP |
427 | assert(message); |
428 | assert(s); | |
de07ab16 | 429 | |
cc377381 LP |
430 | r = sd_bus_message_read(message, "uu", &major, &minor); |
431 | if (r < 0) | |
ebcf1f97 | 432 | return r; |
cc377381 LP |
433 | |
434 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 435 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
436 | |
437 | dev = makedev(major, minor); | |
438 | sd = hashmap_get(s->devices, &dev); | |
439 | if (sd) | |
440 | /* We don't allow retrieving a device multiple times. | |
441 | * The related ReleaseDevice call is not ref-counted. | |
442 | * The caller should use dup() if it requires more | |
443 | * than one fd (it would be functionally | |
444 | * equivalent). */ | |
ebcf1f97 | 445 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 LP |
446 | |
447 | r = session_device_new(s, dev, &sd); | |
448 | if (r < 0) | |
ebcf1f97 | 449 | return r; |
de07ab16 | 450 | |
df2d202e | 451 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 LP |
452 | if (r < 0) |
453 | session_device_free(sd); | |
118ecf32 | 454 | |
cc377381 LP |
455 | return r; |
456 | } | |
118ecf32 | 457 | |
19070062 | 458 | static int method_release_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
459 | Session *s = userdata; |
460 | uint32_t major, minor; | |
461 | SessionDevice *sd; | |
462 | dev_t dev; | |
463 | int r; | |
118ecf32 | 464 | |
cc377381 LP |
465 | assert(message); |
466 | assert(s); | |
118ecf32 | 467 | |
cc377381 LP |
468 | r = sd_bus_message_read(message, "uu", &major, &minor); |
469 | if (r < 0) | |
ebcf1f97 | 470 | return r; |
118ecf32 | 471 | |
cc377381 | 472 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 473 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 474 | |
cc377381 LP |
475 | dev = makedev(major, minor); |
476 | sd = hashmap_get(s->devices, &dev); | |
477 | if (!sd) | |
ebcf1f97 | 478 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 479 | |
cc377381 | 480 | session_device_free(sd); |
df2d202e | 481 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 482 | } |
118ecf32 | 483 | |
19070062 | 484 | static int method_pause_device_complete(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
485 | Session *s = userdata; |
486 | uint32_t major, minor; | |
487 | SessionDevice *sd; | |
488 | dev_t dev; | |
489 | int r; | |
118ecf32 | 490 | |
cc377381 LP |
491 | assert(message); |
492 | assert(s); | |
bef422ae | 493 | |
cc377381 LP |
494 | r = sd_bus_message_read(message, "uu", &major, &minor); |
495 | if (r < 0) | |
ebcf1f97 | 496 | return r; |
cc377381 LP |
497 | |
498 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 499 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 500 | |
cc377381 LP |
501 | dev = makedev(major, minor); |
502 | sd = hashmap_get(s->devices, &dev); | |
503 | if (!sd) | |
ebcf1f97 | 504 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 505 | |
cc377381 | 506 | session_device_complete_pause(sd); |
bef422ae | 507 | |
df2d202e | 508 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
509 | } |
510 | ||
cc377381 LP |
511 | const sd_bus_vtable session_vtable[] = { |
512 | SD_BUS_VTABLE_START(0), | |
513 | ||
556089dc LP |
514 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
515 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
516 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
517 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
518 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
519 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
520 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
521 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
522 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
523 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
524 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
525 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 526 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
527 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
528 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
529 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
530 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
531 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
532 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
533 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
534 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
535 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
536 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
42d35e13 | 537 | SD_BUS_PROPERTY("LockedHint", "b", property_get_locked_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
cc377381 | 538 | |
c529695e LP |
539 | SD_BUS_METHOD("Terminate", NULL, NULL, bus_session_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), |
540 | SD_BUS_METHOD("Activate", NULL, NULL, bus_session_method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
541 | SD_BUS_METHOD("Lock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
542 | SD_BUS_METHOD("Unlock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 543 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
42d35e13 | 544 | SD_BUS_METHOD("SetLockedHint", "b", NULL, method_set_locked_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
c529695e | 545 | SD_BUS_METHOD("Kill", "si", NULL, bus_session_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
546 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), |
547 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
548 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
549 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
550 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
551 | |
552 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
553 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
554 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
555 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
556 | ||
557 | SD_BUS_VTABLE_END | |
558 | }; | |
3f49d45a | 559 | |
f00c3121 | 560 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 561 | Manager *m = userdata; |
cc377381 | 562 | Session *session; |
927b1649 | 563 | int r; |
3f49d45a | 564 | |
cc377381 LP |
565 | assert(bus); |
566 | assert(path); | |
567 | assert(interface); | |
568 | assert(found); | |
569 | assert(m); | |
3f49d45a | 570 | |
927b1649 | 571 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
4afd3348 | 572 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
927b1649 | 573 | sd_bus_message *message; |
309a29df | 574 | const char *name; |
3f49d45a | 575 | |
19befb2d | 576 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
577 | if (!message) |
578 | return 0; | |
579 | ||
309a29df | 580 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); |
927b1649 | 581 | if (r < 0) |
5b12334d LP |
582 | return r; |
583 | ||
309a29df | 584 | r = sd_bus_creds_get_session(creds, &name); |
5b12334d LP |
585 | if (r < 0) |
586 | return r; | |
927b1649 | 587 | |
309a29df | 588 | session = hashmap_get(m->sessions, name); |
927b1649 LP |
589 | } else { |
590 | _cleanup_free_ char *e = NULL; | |
591 | const char *p; | |
3f49d45a | 592 | |
927b1649 LP |
593 | p = startswith(path, "/org/freedesktop/login1/session/"); |
594 | if (!p) | |
595 | return 0; | |
596 | ||
a6278b88 | 597 | e = bus_label_unescape(p); |
927b1649 LP |
598 | if (!e) |
599 | return -ENOMEM; | |
600 | ||
601 | session = hashmap_get(m->sessions, e); | |
927b1649 | 602 | } |
3f49d45a | 603 | |
309a29df LP |
604 | if (!session) |
605 | return 0; | |
606 | ||
cc377381 LP |
607 | *found = session; |
608 | return 1; | |
3f49d45a LP |
609 | } |
610 | ||
3f49d45a | 611 | char *session_bus_path(Session *s) { |
9444b1f2 | 612 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
613 | |
614 | assert(s); | |
615 | ||
a6278b88 | 616 | t = bus_label_escape(s->id); |
3f49d45a LP |
617 | if (!t) |
618 | return NULL; | |
619 | ||
4654e558 | 620 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 621 | } |
da119395 | 622 | |
f00c3121 | 623 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 | 624 | _cleanup_strv_free_ char **l = NULL; |
ca56b0a6 | 625 | sd_bus_message *message; |
cc377381 LP |
626 | Manager *m = userdata; |
627 | Session *session; | |
628 | Iterator i; | |
629 | int r; | |
630 | ||
631 | assert(bus); | |
632 | assert(path); | |
633 | assert(nodes); | |
634 | ||
635 | HASHMAP_FOREACH(session, m->sessions, i) { | |
636 | char *p; | |
637 | ||
638 | p = session_bus_path(session); | |
639 | if (!p) | |
640 | return -ENOMEM; | |
641 | ||
6e18964d ZJS |
642 | r = strv_consume(&l, p); |
643 | if (r < 0) | |
cc377381 | 644 | return r; |
cc377381 LP |
645 | } |
646 | ||
ca56b0a6 DH |
647 | message = sd_bus_get_current_message(bus); |
648 | if (message) { | |
4afd3348 | 649 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
ca56b0a6 DH |
650 | const char *name; |
651 | ||
652 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); | |
653 | if (r >= 0) { | |
654 | r = sd_bus_creds_get_session(creds, &name); | |
655 | if (r >= 0) { | |
656 | session = hashmap_get(m->sessions, name); | |
657 | if (session) { | |
658 | r = strv_extend(&l, "/org/freedesktop/login1/session/self"); | |
659 | if (r < 0) | |
660 | return r; | |
661 | } | |
662 | } | |
663 | } | |
664 | } | |
b298e984 | 665 | |
cc377381 LP |
666 | *nodes = l; |
667 | l = NULL; | |
668 | ||
669 | return 1; | |
670 | } | |
671 | ||
da119395 | 672 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 673 | _cleanup_free_ char *p = NULL; |
da119395 LP |
674 | |
675 | assert(s); | |
676 | ||
da119395 LP |
677 | p = session_bus_path(s); |
678 | if (!p) | |
4654e558 | 679 | return -ENOMEM; |
da119395 | 680 | |
cc377381 LP |
681 | return sd_bus_emit_signal( |
682 | s->manager->bus, | |
683 | "/org/freedesktop/login1", | |
684 | "org.freedesktop.login1.Manager", | |
685 | new_session ? "SessionNew" : "SessionRemoved", | |
686 | "so", s->id, p); | |
da119395 | 687 | } |
9418f147 | 688 | |
cc377381 | 689 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 690 | _cleanup_free_ char *p = NULL; |
cc377381 | 691 | char **l; |
9418f147 LP |
692 | |
693 | assert(s); | |
694 | ||
ed18b08b LP |
695 | if (!s->started) |
696 | return 0; | |
697 | ||
9418f147 LP |
698 | p = session_bus_path(s); |
699 | if (!p) | |
700 | return -ENOMEM; | |
701 | ||
cc377381 | 702 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 703 | |
cc377381 | 704 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 705 | } |
88e3dc90 LP |
706 | |
707 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 708 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
709 | |
710 | assert(s); | |
711 | ||
712 | p = session_bus_path(s); | |
713 | if (!p) | |
714 | return -ENOMEM; | |
715 | ||
cc377381 LP |
716 | return sd_bus_emit_signal( |
717 | s->manager->bus, | |
718 | p, | |
719 | "org.freedesktop.login1.Session", | |
720 | lock ? "Lock" : "Unlock", | |
721 | NULL); | |
88e3dc90 | 722 | } |
7ba64386 LP |
723 | |
724 | int session_send_lock_all(Manager *m, bool lock) { | |
725 | Session *session; | |
726 | Iterator i; | |
727 | int r = 0; | |
728 | ||
729 | assert(m); | |
730 | ||
731 | HASHMAP_FOREACH(session, m->sessions, i) { | |
732 | int k; | |
733 | ||
734 | k = session_send_lock(session, lock); | |
735 | if (k < 0) | |
736 | r = k; | |
737 | } | |
738 | ||
739 | return r; | |
740 | } | |
fb6becb4 | 741 | |
cc377381 | 742 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
4afd3348 | 743 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL; |
cc377381 LP |
744 | _cleanup_close_ int fifo_fd = -1; |
745 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
746 | |
747 | assert(s); | |
748 | ||
dd9b67aa LP |
749 | /* This is called after the session scope and the user service |
750 | * were successfully created, and finishes where | |
751 | * bus_manager_create_session() left off. */ | |
cba38758 | 752 | |
cc377381 LP |
753 | if (!s->create_message) |
754 | return 0; | |
fb6becb4 | 755 | |
dd9b67aa LP |
756 | if (!sd_bus_error_is_set(error) && (s->scope_job || s->user->service_job)) |
757 | return 0; | |
758 | ||
cc377381 LP |
759 | c = s->create_message; |
760 | s->create_message = NULL; | |
fb6becb4 | 761 | |
cc377381 | 762 | if (error) |
df2d202e | 763 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 764 | |
cc377381 LP |
765 | fifo_fd = session_create_fifo(s); |
766 | if (fifo_fd < 0) | |
767 | return fifo_fd; | |
fb6becb4 | 768 | |
38fdcbed TA |
769 | /* Update the session state file before we notify the client |
770 | * about the result. */ | |
771 | session_save(s); | |
772 | ||
cc377381 LP |
773 | p = session_bus_path(s); |
774 | if (!p) | |
775 | return -ENOMEM; | |
fb6becb4 | 776 | |
5a330cda | 777 | log_debug("Sending reply about created session: " |
236af516 DH |
778 | "id=%s object_path=%s uid=%u runtime_path=%s " |
779 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
780 | s->id, |
781 | p, | |
236af516 | 782 | (uint32_t) s->user->uid, |
5a330cda ZJS |
783 | s->user->runtime_path, |
784 | fifo_fd, | |
785 | s->seat ? s->seat->id : "", | |
786 | (uint32_t) s->vtnr); | |
787 | ||
cc377381 | 788 | return sd_bus_reply_method_return( |
baae0358 | 789 | c, "soshusub", |
cc377381 LP |
790 | s->id, |
791 | p, | |
792 | s->user->runtime_path, | |
793 | fifo_fd, | |
baae0358 | 794 | (uint32_t) s->user->uid, |
cc377381 LP |
795 | s->seat ? s->seat->id : "", |
796 | (uint32_t) s->vtnr, | |
797 | false); | |
fb6becb4 | 798 | } |