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