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