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