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