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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3f49d45a LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
3f49d45a LP |
6 | ***/ |
7 | ||
8 | #include <errno.h> | |
a185c5aa | 9 | #include <string.h> |
3f49d45a | 10 | |
b5efdb8a | 11 | #include "alloc-util.h" |
96aad8d1 | 12 | #include "bus-common-errors.h" |
a6278b88 | 13 | #include "bus-label.h" |
3ffd4af2 LP |
14 | #include "bus-util.h" |
15 | #include "fd-util.h" | |
118ecf32 | 16 | #include "logind-session-device.h" |
3ffd4af2 LP |
17 | #include "logind-session.h" |
18 | #include "logind.h" | |
6eb7c172 | 19 | #include "signal-util.h" |
3ffd4af2 LP |
20 | #include "strv.h" |
21 | #include "util.h" | |
3f49d45a | 22 | |
cc377381 LP |
23 | static int property_get_user( |
24 | sd_bus *bus, | |
25 | const char *path, | |
26 | const char *interface, | |
27 | const char *property, | |
28 | sd_bus_message *reply, | |
ebcf1f97 LP |
29 | void *userdata, |
30 | sd_bus_error *error) { | |
cc377381 LP |
31 | |
32 | _cleanup_free_ char *p = NULL; | |
33 | Session *s = userdata; | |
34 | ||
35 | assert(bus); | |
36 | assert(reply); | |
3f49d45a LP |
37 | assert(s); |
38 | ||
cc377381 LP |
39 | p = user_bus_path(s->user); |
40 | if (!p) | |
3f49d45a LP |
41 | return -ENOMEM; |
42 | ||
cc377381 LP |
43 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
44 | } | |
3f49d45a | 45 | |
cc377381 LP |
46 | static int property_get_name( |
47 | sd_bus *bus, | |
48 | const char *path, | |
49 | const char *interface, | |
50 | const char *property, | |
51 | sd_bus_message *reply, | |
ebcf1f97 LP |
52 | void *userdata, |
53 | sd_bus_error *error) { | |
3f49d45a | 54 | |
cc377381 | 55 | Session *s = userdata; |
3f49d45a | 56 | |
cc377381 LP |
57 | assert(bus); |
58 | assert(reply); | |
59 | assert(s); | |
3f49d45a | 60 | |
cc377381 | 61 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
62 | } |
63 | ||
cc377381 LP |
64 | static int property_get_seat( |
65 | sd_bus *bus, | |
66 | const char *path, | |
67 | const char *interface, | |
68 | const char *property, | |
69 | sd_bus_message *reply, | |
ebcf1f97 LP |
70 | void *userdata, |
71 | sd_bus_error *error) { | |
3f49d45a | 72 | |
cc377381 LP |
73 | _cleanup_free_ char *p = NULL; |
74 | Session *s = userdata; | |
3f49d45a | 75 | |
cc377381 LP |
76 | assert(bus); |
77 | assert(reply); | |
78 | assert(s); | |
3f49d45a | 79 | |
cc377381 | 80 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
81 | if (!p) |
82 | return -ENOMEM; | |
83 | ||
cc377381 LP |
84 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
85 | } | |
3f49d45a | 86 | |
cc377381 LP |
87 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
88 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
3f49d45a | 89 | |
cc377381 LP |
90 | static int property_get_active( |
91 | sd_bus *bus, | |
92 | const char *path, | |
93 | const char *interface, | |
94 | const char *property, | |
95 | sd_bus_message *reply, | |
ebcf1f97 LP |
96 | void *userdata, |
97 | sd_bus_error *error) { | |
3f49d45a | 98 | |
cc377381 | 99 | Session *s = userdata; |
3f49d45a | 100 | |
cc377381 LP |
101 | assert(bus); |
102 | assert(reply); | |
3f49d45a LP |
103 | assert(s); |
104 | ||
cc377381 | 105 | return sd_bus_message_append(reply, "b", session_is_active(s)); |
3f49d45a LP |
106 | } |
107 | ||
cc377381 LP |
108 | static int property_get_state( |
109 | sd_bus *bus, | |
110 | const char *path, | |
111 | const char *interface, | |
112 | const char *property, | |
113 | sd_bus_message *reply, | |
ebcf1f97 LP |
114 | void *userdata, |
115 | sd_bus_error *error) { | |
a185c5aa | 116 | |
cc377381 LP |
117 | Session *s = userdata; |
118 | ||
119 | assert(bus); | |
120 | assert(reply); | |
a185c5aa LP |
121 | assert(s); |
122 | ||
cc377381 LP |
123 | return sd_bus_message_append(reply, "s", session_state_to_string(session_get_state(s))); |
124 | } | |
125 | ||
126 | static int property_get_idle_hint( | |
127 | sd_bus *bus, | |
128 | const char *path, | |
129 | const char *interface, | |
130 | const char *property, | |
131 | sd_bus_message *reply, | |
ebcf1f97 LP |
132 | void *userdata, |
133 | sd_bus_error *error) { | |
a185c5aa | 134 | |
cc377381 LP |
135 | Session *s = userdata; |
136 | ||
137 | assert(bus); | |
138 | assert(reply); | |
139 | assert(s); | |
140 | ||
141 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
142 | } |
143 | ||
cc377381 LP |
144 | static int property_get_idle_since_hint( |
145 | sd_bus *bus, | |
146 | const char *path, | |
147 | const char *interface, | |
148 | const char *property, | |
149 | sd_bus_message *reply, | |
ebcf1f97 LP |
150 | void *userdata, |
151 | sd_bus_error *error) { | |
cc377381 LP |
152 | |
153 | Session *s = userdata; | |
5cb14b37 | 154 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 155 | uint64_t u; |
ca4f2b6d | 156 | int r; |
a185c5aa | 157 | |
cc377381 LP |
158 | assert(bus); |
159 | assert(reply); | |
a185c5aa LP |
160 | assert(s); |
161 | ||
ca4f2b6d VP |
162 | r = session_get_idle_hint(s, &t); |
163 | if (r < 0) | |
164 | return r; | |
165 | ||
a185c5aa LP |
166 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
167 | ||
cc377381 | 168 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
169 | } |
170 | ||
42d35e13 VT |
171 | static int property_get_locked_hint( |
172 | sd_bus *bus, | |
173 | const char *path, | |
174 | const char *interface, | |
175 | const char *property, | |
176 | sd_bus_message *reply, | |
177 | void *userdata, | |
178 | sd_bus_error *error) { | |
179 | ||
180 | Session *s = userdata; | |
181 | ||
182 | assert(bus); | |
183 | assert(reply); | |
184 | assert(s); | |
185 | ||
186 | return sd_bus_message_append(reply, "b", session_get_locked_hint(s) > 0); | |
187 | } | |
188 | ||
19070062 | 189 | int bus_session_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
190 | Session *s = userdata; |
191 | int r; | |
0604381b | 192 | |
cc377381 | 193 | assert(message); |
0604381b LP |
194 | assert(s); |
195 | ||
c529695e LP |
196 | r = bus_verify_polkit_async( |
197 | message, | |
198 | CAP_KILL, | |
199 | "org.freedesktop.login1.manage", | |
403ed0e5 | 200 | NULL, |
c529695e LP |
201 | false, |
202 | s->user->uid, | |
203 | &s->manager->polkit_registry, | |
204 | error); | |
205 | if (r < 0) | |
206 | return r; | |
207 | if (r == 0) | |
208 | return 1; /* Will call us back */ | |
209 | ||
9bb69af4 | 210 | r = session_stop(s, true); |
cc377381 | 211 | if (r < 0) |
ebcf1f97 | 212 | return r; |
0604381b | 213 | |
df2d202e | 214 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
215 | } |
216 | ||
19070062 | 217 | int bus_session_method_activate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
218 | Session *s = userdata; |
219 | int r; | |
3f49d45a | 220 | |
cc377381 LP |
221 | assert(message); |
222 | assert(s); | |
3f49d45a | 223 | |
cc377381 LP |
224 | r = session_activate(s); |
225 | if (r < 0) | |
ebcf1f97 | 226 | return r; |
3f49d45a | 227 | |
df2d202e | 228 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
229 | } |
230 | ||
19070062 | 231 | int bus_session_method_lock(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
232 | Session *s = userdata; |
233 | int r; | |
234 | ||
cc377381 LP |
235 | assert(message); |
236 | assert(s); | |
3f49d45a | 237 | |
c529695e LP |
238 | r = bus_verify_polkit_async( |
239 | message, | |
240 | CAP_SYS_ADMIN, | |
241 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 242 | NULL, |
c529695e LP |
243 | false, |
244 | s->user->uid, | |
245 | &s->manager->polkit_registry, | |
246 | error); | |
247 | if (r < 0) | |
248 | return r; | |
249 | if (r == 0) | |
250 | return 1; /* Will call us back */ | |
251 | ||
252 | r = session_send_lock(s, strstr(sd_bus_message_get_member(message), "Lock")); | |
cc377381 | 253 | if (r < 0) |
ebcf1f97 | 254 | return r; |
3f49d45a | 255 | |
df2d202e | 256 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
257 | } |
258 | ||
19070062 | 259 | static int method_set_idle_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 260 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
261 | Session *s = userdata; |
262 | uid_t uid; | |
263 | int r, b; | |
d200735e | 264 | |
cc377381 LP |
265 | assert(message); |
266 | assert(s); | |
267 | ||
268 | r = sd_bus_message_read(message, "b", &b); | |
269 | if (r < 0) | |
ebcf1f97 | 270 | return r; |
d200735e | 271 | |
05bae4a6 | 272 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
273 | if (r < 0) |
274 | return r; | |
275 | ||
05bae4a6 | 276 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 277 | if (r < 0) |
ebcf1f97 | 278 | return r; |
cc377381 LP |
279 | |
280 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 281 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
282 | |
283 | session_set_idle_hint(s, b); | |
3f49d45a | 284 | |
df2d202e | 285 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
286 | } |
287 | ||
42d35e13 VT |
288 | static int method_set_locked_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
289 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
290 | Session *s = userdata; | |
291 | uid_t uid; | |
292 | int r, b; | |
293 | ||
294 | assert(message); | |
295 | assert(s); | |
296 | ||
297 | r = sd_bus_message_read(message, "b", &b); | |
298 | if (r < 0) | |
299 | return r; | |
300 | ||
301 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
302 | if (r < 0) | |
303 | return r; | |
304 | ||
305 | r = sd_bus_creds_get_euid(creds, &uid); | |
306 | if (r < 0) | |
307 | return r; | |
308 | ||
309 | if (uid != 0 && uid != s->user->uid) | |
310 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set locked hint"); | |
311 | ||
312 | session_set_locked_hint(s, b); | |
313 | ||
314 | return sd_bus_reply_method_return(message, NULL); | |
315 | } | |
316 | ||
19070062 | 317 | int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
318 | Session *s = userdata; |
319 | const char *swho; | |
320 | int32_t signo; | |
321 | KillWho who; | |
bef422ae LP |
322 | int r; |
323 | ||
3f49d45a | 324 | assert(message); |
cc377381 | 325 | assert(s); |
3f49d45a | 326 | |
cc377381 LP |
327 | r = sd_bus_message_read(message, "si", &swho, &signo); |
328 | if (r < 0) | |
ebcf1f97 | 329 | return r; |
cc377381 LP |
330 | |
331 | if (isempty(swho)) | |
332 | who = KILL_ALL; | |
333 | else { | |
334 | who = kill_who_from_string(swho); | |
335 | if (who < 0) | |
ebcf1f97 | 336 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 337 | } |
bef422ae | 338 | |
6eb7c172 | 339 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 340 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 341 | |
c529695e LP |
342 | r = bus_verify_polkit_async( |
343 | message, | |
344 | CAP_KILL, | |
345 | "org.freedesktop.login1.manage", | |
403ed0e5 | 346 | NULL, |
c529695e LP |
347 | false, |
348 | s->user->uid, | |
349 | &s->manager->polkit_registry, | |
350 | error); | |
351 | if (r < 0) | |
352 | return r; | |
353 | if (r == 0) | |
354 | return 1; /* Will call us back */ | |
355 | ||
cc377381 LP |
356 | r = session_kill(s, who, signo); |
357 | if (r < 0) | |
ebcf1f97 | 358 | return r; |
bef422ae | 359 | |
df2d202e | 360 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 361 | } |
bef422ae | 362 | |
19070062 | 363 | static int method_take_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 364 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
365 | Session *s = userdata; |
366 | int r, force; | |
367 | uid_t uid; | |
bef422ae | 368 | |
cc377381 LP |
369 | assert(message); |
370 | assert(s); | |
bef422ae | 371 | |
cc377381 LP |
372 | r = sd_bus_message_read(message, "b", &force); |
373 | if (r < 0) | |
ebcf1f97 | 374 | return r; |
bef422ae | 375 | |
05bae4a6 | 376 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
377 | if (r < 0) |
378 | return r; | |
379 | ||
05bae4a6 | 380 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 381 | if (r < 0) |
ebcf1f97 | 382 | return r; |
bef422ae | 383 | |
cc377381 | 384 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 385 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 386 | |
dc6284e9 | 387 | r = session_set_controller(s, sd_bus_message_get_sender(message), force, true); |
cc377381 | 388 | if (r < 0) |
ebcf1f97 | 389 | return r; |
bef422ae | 390 | |
df2d202e | 391 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 392 | } |
bef422ae | 393 | |
19070062 | 394 | static int method_release_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 395 | Session *s = userdata; |
bef422ae | 396 | |
cc377381 LP |
397 | assert(message); |
398 | assert(s); | |
5bc849fd | 399 | |
cc377381 | 400 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 401 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 402 | |
cc377381 | 403 | session_drop_controller(s); |
bef422ae | 404 | |
df2d202e | 405 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 406 | } |
bef422ae | 407 | |
19070062 | 408 | static int method_take_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
409 | Session *s = userdata; |
410 | uint32_t major, minor; | |
411 | SessionDevice *sd; | |
412 | dev_t dev; | |
413 | int r; | |
de07ab16 | 414 | |
cc377381 LP |
415 | assert(message); |
416 | assert(s); | |
de07ab16 | 417 | |
cc377381 LP |
418 | r = sd_bus_message_read(message, "uu", &major, &minor); |
419 | if (r < 0) | |
ebcf1f97 | 420 | return r; |
cc377381 LP |
421 | |
422 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 423 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
424 | |
425 | dev = makedev(major, minor); | |
426 | sd = hashmap_get(s->devices, &dev); | |
427 | if (sd) | |
428 | /* We don't allow retrieving a device multiple times. | |
429 | * The related ReleaseDevice call is not ref-counted. | |
430 | * The caller should use dup() if it requires more | |
431 | * than one fd (it would be functionally | |
432 | * equivalent). */ | |
ebcf1f97 | 433 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 | 434 | |
aed24c4c | 435 | r = session_device_new(s, dev, true, &sd); |
cc377381 | 436 | if (r < 0) |
ebcf1f97 | 437 | return r; |
de07ab16 | 438 | |
aed24c4c FB |
439 | r = session_device_save(sd); |
440 | if (r < 0) | |
441 | goto error; | |
442 | ||
df2d202e | 443 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 | 444 | if (r < 0) |
aed24c4c FB |
445 | goto error; |
446 | ||
447 | session_save(s); | |
2e681921 | 448 | return 1; |
118ecf32 | 449 | |
aed24c4c FB |
450 | error: |
451 | session_device_free(sd); | |
cc377381 LP |
452 | return r; |
453 | } | |
118ecf32 | 454 | |
19070062 | 455 | static int method_release_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
456 | Session *s = userdata; |
457 | uint32_t major, minor; | |
458 | SessionDevice *sd; | |
459 | dev_t dev; | |
460 | int r; | |
118ecf32 | 461 | |
cc377381 LP |
462 | assert(message); |
463 | assert(s); | |
118ecf32 | 464 | |
cc377381 LP |
465 | r = sd_bus_message_read(message, "uu", &major, &minor); |
466 | if (r < 0) | |
ebcf1f97 | 467 | return r; |
118ecf32 | 468 | |
cc377381 | 469 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 470 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 471 | |
cc377381 LP |
472 | dev = makedev(major, minor); |
473 | sd = hashmap_get(s->devices, &dev); | |
474 | if (!sd) | |
ebcf1f97 | 475 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 476 | |
cc377381 | 477 | session_device_free(sd); |
aed24c4c FB |
478 | session_save(s); |
479 | ||
df2d202e | 480 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 481 | } |
118ecf32 | 482 | |
19070062 | 483 | static int method_pause_device_complete(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
484 | Session *s = userdata; |
485 | uint32_t major, minor; | |
486 | SessionDevice *sd; | |
487 | dev_t dev; | |
488 | int r; | |
118ecf32 | 489 | |
cc377381 LP |
490 | assert(message); |
491 | assert(s); | |
bef422ae | 492 | |
cc377381 LP |
493 | r = sd_bus_message_read(message, "uu", &major, &minor); |
494 | if (r < 0) | |
ebcf1f97 | 495 | return r; |
cc377381 LP |
496 | |
497 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 498 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 499 | |
cc377381 LP |
500 | dev = makedev(major, minor); |
501 | sd = hashmap_get(s->devices, &dev); | |
502 | if (!sd) | |
ebcf1f97 | 503 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 504 | |
cc377381 | 505 | session_device_complete_pause(sd); |
bef422ae | 506 | |
df2d202e | 507 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
508 | } |
509 | ||
cc377381 LP |
510 | const sd_bus_vtable session_vtable[] = { |
511 | SD_BUS_VTABLE_START(0), | |
512 | ||
556089dc LP |
513 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
514 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
515 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
516 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
517 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
518 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
519 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
520 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
521 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
522 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
523 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
524 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 525 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
526 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
527 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
528 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
529 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
530 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
531 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
532 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
533 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
534 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
535 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
42d35e13 | 536 | SD_BUS_PROPERTY("LockedHint", "b", property_get_locked_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
cc377381 | 537 | |
c529695e LP |
538 | SD_BUS_METHOD("Terminate", NULL, NULL, bus_session_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), |
539 | SD_BUS_METHOD("Activate", NULL, NULL, bus_session_method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
540 | SD_BUS_METHOD("Lock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
541 | SD_BUS_METHOD("Unlock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 542 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
42d35e13 | 543 | SD_BUS_METHOD("SetLockedHint", "b", NULL, method_set_locked_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
c529695e | 544 | SD_BUS_METHOD("Kill", "si", NULL, bus_session_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
545 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), |
546 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
547 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
548 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
549 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
550 | |
551 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
552 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
553 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
554 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
555 | ||
556 | SD_BUS_VTABLE_END | |
557 | }; | |
3f49d45a | 558 | |
f00c3121 | 559 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 560 | Manager *m = userdata; |
cc377381 | 561 | Session *session; |
927b1649 | 562 | int r; |
3f49d45a | 563 | |
cc377381 LP |
564 | assert(bus); |
565 | assert(path); | |
566 | assert(interface); | |
567 | assert(found); | |
568 | assert(m); | |
3f49d45a | 569 | |
927b1649 LP |
570 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
571 | sd_bus_message *message; | |
3f49d45a | 572 | |
19befb2d | 573 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
574 | if (!message) |
575 | return 0; | |
576 | ||
e4d2984b | 577 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
927b1649 | 578 | if (r < 0) |
5b12334d | 579 | return r; |
927b1649 LP |
580 | } else { |
581 | _cleanup_free_ char *e = NULL; | |
582 | const char *p; | |
3f49d45a | 583 | |
927b1649 LP |
584 | p = startswith(path, "/org/freedesktop/login1/session/"); |
585 | if (!p) | |
586 | return 0; | |
587 | ||
a6278b88 | 588 | e = bus_label_unescape(p); |
927b1649 LP |
589 | if (!e) |
590 | return -ENOMEM; | |
591 | ||
592 | session = hashmap_get(m->sessions, e); | |
e4d2984b AJ |
593 | if (!session) |
594 | return 0; | |
927b1649 | 595 | } |
3f49d45a | 596 | |
cc377381 LP |
597 | *found = session; |
598 | return 1; | |
3f49d45a LP |
599 | } |
600 | ||
3f49d45a | 601 | char *session_bus_path(Session *s) { |
9444b1f2 | 602 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
603 | |
604 | assert(s); | |
605 | ||
a6278b88 | 606 | t = bus_label_escape(s->id); |
3f49d45a LP |
607 | if (!t) |
608 | return NULL; | |
609 | ||
4654e558 | 610 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 611 | } |
da119395 | 612 | |
f00c3121 | 613 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 | 614 | _cleanup_strv_free_ char **l = NULL; |
ca56b0a6 | 615 | sd_bus_message *message; |
cc377381 LP |
616 | Manager *m = userdata; |
617 | Session *session; | |
618 | Iterator i; | |
619 | int r; | |
620 | ||
621 | assert(bus); | |
622 | assert(path); | |
623 | assert(nodes); | |
624 | ||
625 | HASHMAP_FOREACH(session, m->sessions, i) { | |
626 | char *p; | |
627 | ||
628 | p = session_bus_path(session); | |
629 | if (!p) | |
630 | return -ENOMEM; | |
631 | ||
6e18964d ZJS |
632 | r = strv_consume(&l, p); |
633 | if (r < 0) | |
cc377381 | 634 | return r; |
cc377381 LP |
635 | } |
636 | ||
ca56b0a6 DH |
637 | message = sd_bus_get_current_message(bus); |
638 | if (message) { | |
4afd3348 | 639 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
ca56b0a6 DH |
640 | const char *name; |
641 | ||
642 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); | |
643 | if (r >= 0) { | |
644 | r = sd_bus_creds_get_session(creds, &name); | |
645 | if (r >= 0) { | |
646 | session = hashmap_get(m->sessions, name); | |
647 | if (session) { | |
648 | r = strv_extend(&l, "/org/freedesktop/login1/session/self"); | |
649 | if (r < 0) | |
650 | return r; | |
651 | } | |
652 | } | |
653 | } | |
654 | } | |
b298e984 | 655 | |
1cc6c93a | 656 | *nodes = TAKE_PTR(l); |
cc377381 LP |
657 | |
658 | return 1; | |
659 | } | |
660 | ||
da119395 | 661 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 662 | _cleanup_free_ char *p = NULL; |
da119395 LP |
663 | |
664 | assert(s); | |
665 | ||
da119395 LP |
666 | p = session_bus_path(s); |
667 | if (!p) | |
4654e558 | 668 | return -ENOMEM; |
da119395 | 669 | |
cc377381 LP |
670 | return sd_bus_emit_signal( |
671 | s->manager->bus, | |
672 | "/org/freedesktop/login1", | |
673 | "org.freedesktop.login1.Manager", | |
674 | new_session ? "SessionNew" : "SessionRemoved", | |
675 | "so", s->id, p); | |
da119395 | 676 | } |
9418f147 | 677 | |
cc377381 | 678 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 679 | _cleanup_free_ char *p = NULL; |
cc377381 | 680 | char **l; |
9418f147 LP |
681 | |
682 | assert(s); | |
683 | ||
ed18b08b LP |
684 | if (!s->started) |
685 | return 0; | |
686 | ||
9418f147 LP |
687 | p = session_bus_path(s); |
688 | if (!p) | |
689 | return -ENOMEM; | |
690 | ||
cc377381 | 691 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 692 | |
cc377381 | 693 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 694 | } |
88e3dc90 LP |
695 | |
696 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 697 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
698 | |
699 | assert(s); | |
700 | ||
701 | p = session_bus_path(s); | |
702 | if (!p) | |
703 | return -ENOMEM; | |
704 | ||
cc377381 LP |
705 | return sd_bus_emit_signal( |
706 | s->manager->bus, | |
707 | p, | |
708 | "org.freedesktop.login1.Session", | |
709 | lock ? "Lock" : "Unlock", | |
710 | NULL); | |
88e3dc90 | 711 | } |
7ba64386 LP |
712 | |
713 | int session_send_lock_all(Manager *m, bool lock) { | |
714 | Session *session; | |
715 | Iterator i; | |
716 | int r = 0; | |
717 | ||
718 | assert(m); | |
719 | ||
720 | HASHMAP_FOREACH(session, m->sessions, i) { | |
721 | int k; | |
722 | ||
723 | k = session_send_lock(session, lock); | |
724 | if (k < 0) | |
725 | r = k; | |
726 | } | |
727 | ||
728 | return r; | |
729 | } | |
fb6becb4 | 730 | |
cc377381 | 731 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
4afd3348 | 732 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL; |
cc377381 LP |
733 | _cleanup_close_ int fifo_fd = -1; |
734 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
735 | |
736 | assert(s); | |
737 | ||
dd9b67aa LP |
738 | /* This is called after the session scope and the user service |
739 | * were successfully created, and finishes where | |
740 | * bus_manager_create_session() left off. */ | |
cba38758 | 741 | |
cc377381 LP |
742 | if (!s->create_message) |
743 | return 0; | |
fb6becb4 | 744 | |
dd9b67aa LP |
745 | if (!sd_bus_error_is_set(error) && (s->scope_job || s->user->service_job)) |
746 | return 0; | |
747 | ||
cc377381 LP |
748 | c = s->create_message; |
749 | s->create_message = NULL; | |
fb6becb4 | 750 | |
cc377381 | 751 | if (error) |
df2d202e | 752 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 753 | |
cc377381 LP |
754 | fifo_fd = session_create_fifo(s); |
755 | if (fifo_fd < 0) | |
756 | return fifo_fd; | |
fb6becb4 | 757 | |
38fdcbed TA |
758 | /* Update the session state file before we notify the client |
759 | * about the result. */ | |
760 | session_save(s); | |
761 | ||
cc377381 LP |
762 | p = session_bus_path(s); |
763 | if (!p) | |
764 | return -ENOMEM; | |
fb6becb4 | 765 | |
5a330cda | 766 | log_debug("Sending reply about created session: " |
236af516 DH |
767 | "id=%s object_path=%s uid=%u runtime_path=%s " |
768 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
769 | s->id, |
770 | p, | |
236af516 | 771 | (uint32_t) s->user->uid, |
5a330cda ZJS |
772 | s->user->runtime_path, |
773 | fifo_fd, | |
774 | s->seat ? s->seat->id : "", | |
775 | (uint32_t) s->vtnr); | |
776 | ||
cc377381 | 777 | return sd_bus_reply_method_return( |
baae0358 | 778 | c, "soshusub", |
cc377381 LP |
779 | s->id, |
780 | p, | |
781 | s->user->runtime_path, | |
782 | fifo_fd, | |
baae0358 | 783 | (uint32_t) s->user->uid, |
cc377381 LP |
784 | s->seat ? s->seat->id : "", |
785 | (uint32_t) s->vtnr, | |
786 | false); | |
fb6becb4 | 787 | } |