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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3f49d45a LP |
2 | |
3 | #include <errno.h> | |
a185c5aa | 4 | #include <string.h> |
3f49d45a | 5 | |
b5efdb8a | 6 | #include "alloc-util.h" |
96aad8d1 | 7 | #include "bus-common-errors.h" |
a6278b88 | 8 | #include "bus-label.h" |
3ffd4af2 LP |
9 | #include "bus-util.h" |
10 | #include "fd-util.h" | |
118ecf32 | 11 | #include "logind-session-device.h" |
3ffd4af2 LP |
12 | #include "logind-session.h" |
13 | #include "logind.h" | |
6eb7c172 | 14 | #include "signal-util.h" |
3ffd4af2 LP |
15 | #include "strv.h" |
16 | #include "util.h" | |
3f49d45a | 17 | |
cc377381 LP |
18 | static int property_get_user( |
19 | sd_bus *bus, | |
20 | const char *path, | |
21 | const char *interface, | |
22 | const char *property, | |
23 | sd_bus_message *reply, | |
ebcf1f97 LP |
24 | void *userdata, |
25 | sd_bus_error *error) { | |
cc377381 LP |
26 | |
27 | _cleanup_free_ char *p = NULL; | |
28 | Session *s = userdata; | |
29 | ||
30 | assert(bus); | |
31 | assert(reply); | |
3f49d45a LP |
32 | assert(s); |
33 | ||
cc377381 LP |
34 | p = user_bus_path(s->user); |
35 | if (!p) | |
3f49d45a LP |
36 | return -ENOMEM; |
37 | ||
cc377381 LP |
38 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
39 | } | |
3f49d45a | 40 | |
cc377381 LP |
41 | static int property_get_name( |
42 | sd_bus *bus, | |
43 | const char *path, | |
44 | const char *interface, | |
45 | const char *property, | |
46 | sd_bus_message *reply, | |
ebcf1f97 LP |
47 | void *userdata, |
48 | sd_bus_error *error) { | |
3f49d45a | 49 | |
cc377381 | 50 | Session *s = userdata; |
3f49d45a | 51 | |
cc377381 LP |
52 | assert(bus); |
53 | assert(reply); | |
54 | assert(s); | |
3f49d45a | 55 | |
cc377381 | 56 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
57 | } |
58 | ||
cc377381 LP |
59 | static int property_get_seat( |
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 LP |
68 | _cleanup_free_ char *p = NULL; |
69 | Session *s = userdata; | |
3f49d45a | 70 | |
cc377381 LP |
71 | assert(bus); |
72 | assert(reply); | |
73 | assert(s); | |
3f49d45a | 74 | |
cc377381 | 75 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
76 | if (!p) |
77 | return -ENOMEM; | |
78 | ||
cc377381 LP |
79 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
80 | } | |
3f49d45a | 81 | |
cc377381 LP |
82 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
83 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
01adcd69 YW |
84 | static BUS_DEFINE_PROPERTY_GET(property_get_active, "b", Session, session_is_active); |
85 | static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", Session, session_get_state, session_state_to_string); | |
cc377381 LP |
86 | |
87 | static int property_get_idle_hint( | |
88 | sd_bus *bus, | |
89 | const char *path, | |
90 | const char *interface, | |
91 | const char *property, | |
92 | sd_bus_message *reply, | |
ebcf1f97 LP |
93 | void *userdata, |
94 | sd_bus_error *error) { | |
a185c5aa | 95 | |
cc377381 LP |
96 | Session *s = userdata; |
97 | ||
98 | assert(bus); | |
99 | assert(reply); | |
100 | assert(s); | |
101 | ||
102 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
103 | } |
104 | ||
cc377381 LP |
105 | static int property_get_idle_since_hint( |
106 | sd_bus *bus, | |
107 | const char *path, | |
108 | const char *interface, | |
109 | const char *property, | |
110 | sd_bus_message *reply, | |
ebcf1f97 LP |
111 | void *userdata, |
112 | sd_bus_error *error) { | |
cc377381 LP |
113 | |
114 | Session *s = userdata; | |
5cb14b37 | 115 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 116 | uint64_t u; |
ca4f2b6d | 117 | int r; |
a185c5aa | 118 | |
cc377381 LP |
119 | assert(bus); |
120 | assert(reply); | |
a185c5aa LP |
121 | assert(s); |
122 | ||
ca4f2b6d VP |
123 | r = session_get_idle_hint(s, &t); |
124 | if (r < 0) | |
125 | return r; | |
126 | ||
a185c5aa LP |
127 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
128 | ||
cc377381 | 129 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
130 | } |
131 | ||
42d35e13 VT |
132 | static int property_get_locked_hint( |
133 | sd_bus *bus, | |
134 | const char *path, | |
135 | const char *interface, | |
136 | const char *property, | |
137 | sd_bus_message *reply, | |
138 | void *userdata, | |
139 | sd_bus_error *error) { | |
140 | ||
141 | Session *s = userdata; | |
142 | ||
143 | assert(bus); | |
144 | assert(reply); | |
145 | assert(s); | |
146 | ||
147 | return sd_bus_message_append(reply, "b", session_get_locked_hint(s) > 0); | |
148 | } | |
149 | ||
19070062 | 150 | int bus_session_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
151 | Session *s = userdata; |
152 | int r; | |
0604381b | 153 | |
cc377381 | 154 | assert(message); |
0604381b LP |
155 | assert(s); |
156 | ||
c529695e LP |
157 | r = bus_verify_polkit_async( |
158 | message, | |
159 | CAP_KILL, | |
160 | "org.freedesktop.login1.manage", | |
403ed0e5 | 161 | NULL, |
c529695e LP |
162 | false, |
163 | s->user->uid, | |
164 | &s->manager->polkit_registry, | |
165 | error); | |
166 | if (r < 0) | |
167 | return r; | |
168 | if (r == 0) | |
169 | return 1; /* Will call us back */ | |
170 | ||
9bb69af4 | 171 | r = session_stop(s, true); |
cc377381 | 172 | if (r < 0) |
ebcf1f97 | 173 | return r; |
0604381b | 174 | |
df2d202e | 175 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
176 | } |
177 | ||
19070062 | 178 | int bus_session_method_activate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
179 | Session *s = userdata; |
180 | int r; | |
3f49d45a | 181 | |
cc377381 LP |
182 | assert(message); |
183 | assert(s); | |
3f49d45a | 184 | |
cc377381 LP |
185 | r = session_activate(s); |
186 | if (r < 0) | |
ebcf1f97 | 187 | return r; |
3f49d45a | 188 | |
df2d202e | 189 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
190 | } |
191 | ||
19070062 | 192 | int bus_session_method_lock(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
193 | Session *s = userdata; |
194 | int r; | |
195 | ||
cc377381 LP |
196 | assert(message); |
197 | assert(s); | |
3f49d45a | 198 | |
c529695e LP |
199 | r = bus_verify_polkit_async( |
200 | message, | |
201 | CAP_SYS_ADMIN, | |
202 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 203 | NULL, |
c529695e LP |
204 | false, |
205 | s->user->uid, | |
206 | &s->manager->polkit_registry, | |
207 | error); | |
208 | if (r < 0) | |
209 | return r; | |
210 | if (r == 0) | |
211 | return 1; /* Will call us back */ | |
212 | ||
213 | r = session_send_lock(s, strstr(sd_bus_message_get_member(message), "Lock")); | |
cc377381 | 214 | if (r < 0) |
ebcf1f97 | 215 | return r; |
3f49d45a | 216 | |
df2d202e | 217 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
218 | } |
219 | ||
19070062 | 220 | static int method_set_idle_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 221 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
222 | Session *s = userdata; |
223 | uid_t uid; | |
224 | int r, b; | |
d200735e | 225 | |
cc377381 LP |
226 | assert(message); |
227 | assert(s); | |
228 | ||
229 | r = sd_bus_message_read(message, "b", &b); | |
230 | if (r < 0) | |
ebcf1f97 | 231 | return r; |
d200735e | 232 | |
05bae4a6 | 233 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
234 | if (r < 0) |
235 | return r; | |
236 | ||
05bae4a6 | 237 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 238 | if (r < 0) |
ebcf1f97 | 239 | return r; |
cc377381 LP |
240 | |
241 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 242 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
243 | |
244 | session_set_idle_hint(s, b); | |
3f49d45a | 245 | |
df2d202e | 246 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
247 | } |
248 | ||
42d35e13 VT |
249 | static int method_set_locked_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
250 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
251 | Session *s = userdata; | |
252 | uid_t uid; | |
253 | int r, b; | |
254 | ||
255 | assert(message); | |
256 | assert(s); | |
257 | ||
258 | r = sd_bus_message_read(message, "b", &b); | |
259 | if (r < 0) | |
260 | return r; | |
261 | ||
262 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
263 | if (r < 0) | |
264 | return r; | |
265 | ||
266 | r = sd_bus_creds_get_euid(creds, &uid); | |
267 | if (r < 0) | |
268 | return r; | |
269 | ||
270 | if (uid != 0 && uid != s->user->uid) | |
271 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set locked hint"); | |
272 | ||
273 | session_set_locked_hint(s, b); | |
274 | ||
275 | return sd_bus_reply_method_return(message, NULL); | |
276 | } | |
277 | ||
19070062 | 278 | int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
279 | Session *s = userdata; |
280 | const char *swho; | |
281 | int32_t signo; | |
282 | KillWho who; | |
bef422ae LP |
283 | int r; |
284 | ||
3f49d45a | 285 | assert(message); |
cc377381 | 286 | assert(s); |
3f49d45a | 287 | |
cc377381 LP |
288 | r = sd_bus_message_read(message, "si", &swho, &signo); |
289 | if (r < 0) | |
ebcf1f97 | 290 | return r; |
cc377381 LP |
291 | |
292 | if (isempty(swho)) | |
293 | who = KILL_ALL; | |
294 | else { | |
295 | who = kill_who_from_string(swho); | |
296 | if (who < 0) | |
ebcf1f97 | 297 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 298 | } |
bef422ae | 299 | |
6eb7c172 | 300 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 301 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 302 | |
c529695e LP |
303 | r = bus_verify_polkit_async( |
304 | message, | |
305 | CAP_KILL, | |
306 | "org.freedesktop.login1.manage", | |
403ed0e5 | 307 | NULL, |
c529695e LP |
308 | false, |
309 | s->user->uid, | |
310 | &s->manager->polkit_registry, | |
311 | error); | |
312 | if (r < 0) | |
313 | return r; | |
314 | if (r == 0) | |
315 | return 1; /* Will call us back */ | |
316 | ||
cc377381 LP |
317 | r = session_kill(s, who, signo); |
318 | if (r < 0) | |
ebcf1f97 | 319 | return r; |
bef422ae | 320 | |
df2d202e | 321 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 322 | } |
bef422ae | 323 | |
19070062 | 324 | static int method_take_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 325 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
326 | Session *s = userdata; |
327 | int r, force; | |
328 | uid_t uid; | |
bef422ae | 329 | |
cc377381 LP |
330 | assert(message); |
331 | assert(s); | |
bef422ae | 332 | |
cc377381 LP |
333 | r = sd_bus_message_read(message, "b", &force); |
334 | if (r < 0) | |
ebcf1f97 | 335 | return r; |
bef422ae | 336 | |
05bae4a6 | 337 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
338 | if (r < 0) |
339 | return r; | |
340 | ||
05bae4a6 | 341 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 342 | if (r < 0) |
ebcf1f97 | 343 | return r; |
bef422ae | 344 | |
cc377381 | 345 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 346 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 347 | |
dc6284e9 | 348 | r = session_set_controller(s, sd_bus_message_get_sender(message), force, true); |
cc377381 | 349 | if (r < 0) |
ebcf1f97 | 350 | return r; |
bef422ae | 351 | |
df2d202e | 352 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 353 | } |
bef422ae | 354 | |
19070062 | 355 | static int method_release_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 356 | Session *s = userdata; |
bef422ae | 357 | |
cc377381 LP |
358 | assert(message); |
359 | assert(s); | |
5bc849fd | 360 | |
cc377381 | 361 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 362 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 363 | |
cc377381 | 364 | session_drop_controller(s); |
bef422ae | 365 | |
df2d202e | 366 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 367 | } |
bef422ae | 368 | |
19070062 | 369 | static int method_take_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
370 | Session *s = userdata; |
371 | uint32_t major, minor; | |
372 | SessionDevice *sd; | |
373 | dev_t dev; | |
374 | int r; | |
de07ab16 | 375 | |
cc377381 LP |
376 | assert(message); |
377 | assert(s); | |
de07ab16 | 378 | |
cc377381 LP |
379 | r = sd_bus_message_read(message, "uu", &major, &minor); |
380 | if (r < 0) | |
ebcf1f97 | 381 | return r; |
cc377381 LP |
382 | |
383 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 384 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
385 | |
386 | dev = makedev(major, minor); | |
387 | sd = hashmap_get(s->devices, &dev); | |
388 | if (sd) | |
389 | /* We don't allow retrieving a device multiple times. | |
390 | * The related ReleaseDevice call is not ref-counted. | |
391 | * The caller should use dup() if it requires more | |
392 | * than one fd (it would be functionally | |
393 | * equivalent). */ | |
ebcf1f97 | 394 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 | 395 | |
aed24c4c | 396 | r = session_device_new(s, dev, true, &sd); |
cc377381 | 397 | if (r < 0) |
ebcf1f97 | 398 | return r; |
de07ab16 | 399 | |
aed24c4c FB |
400 | r = session_device_save(sd); |
401 | if (r < 0) | |
402 | goto error; | |
403 | ||
df2d202e | 404 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 | 405 | if (r < 0) |
aed24c4c FB |
406 | goto error; |
407 | ||
408 | session_save(s); | |
2e681921 | 409 | return 1; |
118ecf32 | 410 | |
aed24c4c FB |
411 | error: |
412 | session_device_free(sd); | |
cc377381 LP |
413 | return r; |
414 | } | |
118ecf32 | 415 | |
19070062 | 416 | static int method_release_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
417 | Session *s = userdata; |
418 | uint32_t major, minor; | |
419 | SessionDevice *sd; | |
420 | dev_t dev; | |
421 | int r; | |
118ecf32 | 422 | |
cc377381 LP |
423 | assert(message); |
424 | assert(s); | |
118ecf32 | 425 | |
cc377381 LP |
426 | r = sd_bus_message_read(message, "uu", &major, &minor); |
427 | if (r < 0) | |
ebcf1f97 | 428 | return r; |
118ecf32 | 429 | |
cc377381 | 430 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 431 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 432 | |
cc377381 LP |
433 | dev = makedev(major, minor); |
434 | sd = hashmap_get(s->devices, &dev); | |
435 | if (!sd) | |
ebcf1f97 | 436 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 437 | |
cc377381 | 438 | session_device_free(sd); |
aed24c4c FB |
439 | session_save(s); |
440 | ||
df2d202e | 441 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 442 | } |
118ecf32 | 443 | |
19070062 | 444 | static int method_pause_device_complete(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
445 | Session *s = userdata; |
446 | uint32_t major, minor; | |
447 | SessionDevice *sd; | |
448 | dev_t dev; | |
449 | int r; | |
118ecf32 | 450 | |
cc377381 LP |
451 | assert(message); |
452 | assert(s); | |
bef422ae | 453 | |
cc377381 LP |
454 | r = sd_bus_message_read(message, "uu", &major, &minor); |
455 | if (r < 0) | |
ebcf1f97 | 456 | return r; |
cc377381 LP |
457 | |
458 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 459 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 460 | |
cc377381 LP |
461 | dev = makedev(major, minor); |
462 | sd = hashmap_get(s->devices, &dev); | |
463 | if (!sd) | |
ebcf1f97 | 464 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 465 | |
cc377381 | 466 | session_device_complete_pause(sd); |
bef422ae | 467 | |
df2d202e | 468 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
469 | } |
470 | ||
cc377381 LP |
471 | const sd_bus_vtable session_vtable[] = { |
472 | SD_BUS_VTABLE_START(0), | |
473 | ||
556089dc LP |
474 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
475 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
476 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
477 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
478 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
479 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
480 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
481 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
482 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
483 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
484 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
485 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 486 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
487 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
488 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
489 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
490 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
491 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
492 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
493 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
494 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
495 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
496 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
42d35e13 | 497 | SD_BUS_PROPERTY("LockedHint", "b", property_get_locked_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
cc377381 | 498 | |
c529695e LP |
499 | SD_BUS_METHOD("Terminate", NULL, NULL, bus_session_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), |
500 | SD_BUS_METHOD("Activate", NULL, NULL, bus_session_method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
501 | SD_BUS_METHOD("Lock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
502 | SD_BUS_METHOD("Unlock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 503 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
42d35e13 | 504 | SD_BUS_METHOD("SetLockedHint", "b", NULL, method_set_locked_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
c529695e | 505 | SD_BUS_METHOD("Kill", "si", NULL, bus_session_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
506 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), |
507 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
508 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
509 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
510 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
511 | |
512 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
513 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
514 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
515 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
516 | ||
517 | SD_BUS_VTABLE_END | |
518 | }; | |
3f49d45a | 519 | |
f00c3121 | 520 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 521 | Manager *m = userdata; |
cc377381 | 522 | Session *session; |
927b1649 | 523 | int r; |
3f49d45a | 524 | |
cc377381 LP |
525 | assert(bus); |
526 | assert(path); | |
527 | assert(interface); | |
528 | assert(found); | |
529 | assert(m); | |
3f49d45a | 530 | |
927b1649 LP |
531 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
532 | sd_bus_message *message; | |
3f49d45a | 533 | |
19befb2d | 534 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
535 | if (!message) |
536 | return 0; | |
537 | ||
e4d2984b | 538 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
927b1649 | 539 | if (r < 0) |
5b12334d | 540 | return r; |
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); | |
e4d2984b AJ |
554 | if (!session) |
555 | return 0; | |
927b1649 | 556 | } |
3f49d45a | 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 | |
1cc6c93a | 617 | *nodes = TAKE_PTR(l); |
cc377381 LP |
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 | } |