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3f49d45a LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
3f49d45a LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
3f49d45a | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
a185c5aa | 23 | #include <string.h> |
3f49d45a | 24 | |
cc377381 LP |
25 | #include "util.h" |
26 | #include "strv.h" | |
27 | #include "bus-util.h" | |
28 | ||
3f49d45a LP |
29 | #include "logind.h" |
30 | #include "logind-session.h" | |
118ecf32 | 31 | #include "logind-session-device.h" |
3f49d45a | 32 | |
cc377381 LP |
33 | static int property_get_user( |
34 | sd_bus *bus, | |
35 | const char *path, | |
36 | const char *interface, | |
37 | const char *property, | |
38 | sd_bus_message *reply, | |
39 | sd_bus_error *error, | |
40 | void *userdata) { | |
41 | ||
42 | _cleanup_free_ char *p = NULL; | |
43 | Session *s = userdata; | |
44 | ||
45 | assert(bus); | |
46 | assert(reply); | |
3f49d45a LP |
47 | assert(s); |
48 | ||
cc377381 LP |
49 | p = user_bus_path(s->user); |
50 | if (!p) | |
3f49d45a LP |
51 | return -ENOMEM; |
52 | ||
cc377381 LP |
53 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
54 | } | |
3f49d45a | 55 | |
cc377381 LP |
56 | static int property_get_name( |
57 | sd_bus *bus, | |
58 | const char *path, | |
59 | const char *interface, | |
60 | const char *property, | |
61 | sd_bus_message *reply, | |
62 | sd_bus_error *error, | |
63 | void *userdata) { | |
3f49d45a | 64 | |
cc377381 | 65 | Session *s = userdata; |
3f49d45a | 66 | |
cc377381 LP |
67 | assert(bus); |
68 | assert(reply); | |
69 | assert(s); | |
3f49d45a | 70 | |
cc377381 | 71 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
72 | } |
73 | ||
cc377381 LP |
74 | static int property_get_seat( |
75 | sd_bus *bus, | |
76 | const char *path, | |
77 | const char *interface, | |
78 | const char *property, | |
79 | sd_bus_message *reply, | |
80 | sd_bus_error *error, | |
81 | void *userdata) { | |
3f49d45a | 82 | |
cc377381 LP |
83 | _cleanup_free_ char *p = NULL; |
84 | Session *s = userdata; | |
3f49d45a | 85 | |
cc377381 LP |
86 | assert(bus); |
87 | assert(reply); | |
88 | assert(s); | |
3f49d45a | 89 | |
cc377381 | 90 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
91 | if (!p) |
92 | return -ENOMEM; | |
93 | ||
cc377381 LP |
94 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
95 | } | |
3f49d45a | 96 | |
cc377381 LP |
97 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
98 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
3f49d45a | 99 | |
cc377381 LP |
100 | static int property_get_active( |
101 | sd_bus *bus, | |
102 | const char *path, | |
103 | const char *interface, | |
104 | const char *property, | |
105 | sd_bus_message *reply, | |
106 | sd_bus_error *error, | |
107 | void *userdata) { | |
3f49d45a | 108 | |
cc377381 | 109 | Session *s = userdata; |
3f49d45a | 110 | |
cc377381 LP |
111 | assert(bus); |
112 | assert(reply); | |
3f49d45a LP |
113 | assert(s); |
114 | ||
cc377381 | 115 | return sd_bus_message_append(reply, "b", session_is_active(s)); |
3f49d45a LP |
116 | } |
117 | ||
cc377381 LP |
118 | static int property_get_state( |
119 | sd_bus *bus, | |
120 | const char *path, | |
121 | const char *interface, | |
122 | const char *property, | |
123 | sd_bus_message *reply, | |
124 | sd_bus_error *error, | |
125 | void *userdata) { | |
a185c5aa | 126 | |
cc377381 LP |
127 | Session *s = userdata; |
128 | ||
129 | assert(bus); | |
130 | assert(reply); | |
a185c5aa LP |
131 | assert(s); |
132 | ||
cc377381 LP |
133 | return sd_bus_message_append(reply, "s", session_state_to_string(session_get_state(s))); |
134 | } | |
135 | ||
136 | static int property_get_idle_hint( | |
137 | sd_bus *bus, | |
138 | const char *path, | |
139 | const char *interface, | |
140 | const char *property, | |
141 | sd_bus_message *reply, | |
142 | sd_bus_error *error, | |
143 | void *userdata) { | |
a185c5aa | 144 | |
cc377381 LP |
145 | Session *s = userdata; |
146 | ||
147 | assert(bus); | |
148 | assert(reply); | |
149 | assert(s); | |
150 | ||
151 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
152 | } |
153 | ||
cc377381 LP |
154 | static int property_get_idle_since_hint( |
155 | sd_bus *bus, | |
156 | const char *path, | |
157 | const char *interface, | |
158 | const char *property, | |
159 | sd_bus_message *reply, | |
160 | sd_bus_error *error, | |
161 | void *userdata) { | |
162 | ||
163 | Session *s = userdata; | |
a185c5aa LP |
164 | dual_timestamp t; |
165 | uint64_t u; | |
ca4f2b6d | 166 | int r; |
a185c5aa | 167 | |
cc377381 LP |
168 | assert(bus); |
169 | assert(reply); | |
a185c5aa LP |
170 | assert(s); |
171 | ||
ca4f2b6d VP |
172 | r = session_get_idle_hint(s, &t); |
173 | if (r < 0) | |
174 | return r; | |
175 | ||
a185c5aa LP |
176 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
177 | ||
cc377381 | 178 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
179 | } |
180 | ||
cc377381 LP |
181 | static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata) { |
182 | Session *s = userdata; | |
183 | int r; | |
0604381b | 184 | |
cc377381 LP |
185 | assert(bus); |
186 | assert(message); | |
0604381b LP |
187 | assert(s); |
188 | ||
cc377381 LP |
189 | r = session_stop(s); |
190 | if (r < 0) | |
191 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
0604381b | 192 | |
cc377381 | 193 | return sd_bus_reply_method_return(bus, message, NULL); |
0604381b LP |
194 | } |
195 | ||
cc377381 LP |
196 | static int method_activate(sd_bus *bus, sd_bus_message *message, void *userdata) { |
197 | Session *s = userdata; | |
198 | int r; | |
3f49d45a | 199 | |
cc377381 LP |
200 | assert(bus); |
201 | assert(message); | |
202 | assert(s); | |
3f49d45a | 203 | |
cc377381 LP |
204 | r = session_activate(s); |
205 | if (r < 0) | |
206 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
3f49d45a | 207 | |
cc377381 LP |
208 | return sd_bus_reply_method_return(bus, message, NULL); |
209 | } | |
210 | ||
211 | static int method_lock(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
212 | Session *s = userdata; | |
213 | int r; | |
214 | ||
215 | assert(bus); | |
216 | assert(message); | |
217 | assert(s); | |
3f49d45a | 218 | |
cc377381 LP |
219 | r = session_send_lock(s, streq(sd_bus_message_get_member(message), "Lock")); |
220 | if (r < 0) | |
221 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
3f49d45a | 222 | |
cc377381 | 223 | return sd_bus_reply_method_return(bus, message, NULL); |
3f49d45a LP |
224 | } |
225 | ||
cc377381 LP |
226 | static int method_set_idle_hint(sd_bus *bus, sd_bus_message *message, void *userdata) { |
227 | Session *s = userdata; | |
228 | uid_t uid; | |
229 | int r, b; | |
d200735e | 230 | |
cc377381 LP |
231 | assert(bus); |
232 | assert(message); | |
233 | assert(s); | |
234 | ||
235 | r = sd_bus_message_read(message, "b", &b); | |
236 | if (r < 0) | |
237 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
d200735e | 238 | |
cc377381 LP |
239 | r = sd_bus_get_owner_uid(bus, sd_bus_message_get_sender(message), &uid); |
240 | if (r < 0) | |
241 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
242 | ||
243 | if (uid != 0 && uid != s->user->uid) | |
244 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session my set idle hint"); | |
245 | ||
246 | session_set_idle_hint(s, b); | |
3f49d45a | 247 | |
cc377381 LP |
248 | return sd_bus_reply_method_return(bus, message, NULL); |
249 | } | |
250 | ||
251 | static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
252 | Session *s = userdata; | |
253 | const char *swho; | |
254 | int32_t signo; | |
255 | KillWho who; | |
bef422ae LP |
256 | int r; |
257 | ||
cc377381 | 258 | assert(bus); |
3f49d45a | 259 | assert(message); |
cc377381 | 260 | assert(s); |
3f49d45a | 261 | |
cc377381 LP |
262 | r = sd_bus_message_read(message, "si", &swho, &signo); |
263 | if (r < 0) | |
264 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
265 | ||
266 | if (isempty(swho)) | |
267 | who = KILL_ALL; | |
268 | else { | |
269 | who = kill_who_from_string(swho); | |
270 | if (who < 0) | |
271 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); | |
272 | } | |
bef422ae | 273 | |
cc377381 LP |
274 | if (signo <= 0 || signo >= _NSIG) |
275 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); | |
bef422ae | 276 | |
cc377381 LP |
277 | r = session_kill(s, who, signo); |
278 | if (r < 0) | |
279 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
bef422ae | 280 | |
cc377381 LP |
281 | return sd_bus_reply_method_return(bus, message, NULL); |
282 | } | |
bef422ae | 283 | |
cc377381 LP |
284 | static int method_take_control(sd_bus *bus, sd_bus_message *message, void *userdata) { |
285 | Session *s = userdata; | |
286 | int r, force; | |
287 | uid_t uid; | |
bef422ae | 288 | |
cc377381 LP |
289 | assert(bus); |
290 | assert(message); | |
291 | assert(s); | |
bef422ae | 292 | |
cc377381 LP |
293 | r = sd_bus_message_read(message, "b", &force); |
294 | if (r < 0) | |
295 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
bef422ae | 296 | |
cc377381 LP |
297 | r = sd_bus_get_owner_uid(bus, sd_bus_message_get_sender(message), &uid); |
298 | if (r < 0) | |
299 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
bef422ae | 300 | |
cc377381 LP |
301 | if (uid != 0 && (force || uid != s->user->uid)) |
302 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); | |
bef422ae | 303 | |
cc377381 LP |
304 | r = session_set_controller(s, sd_bus_message_get_sender(message), force); |
305 | if (r < 0) | |
306 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
bef422ae | 307 | |
cc377381 LP |
308 | return sd_bus_reply_method_return(bus, message, NULL); |
309 | } | |
bef422ae | 310 | |
cc377381 LP |
311 | static int method_release_control(sd_bus *bus, sd_bus_message *message, void *userdata) { |
312 | Session *s = userdata; | |
bef422ae | 313 | |
cc377381 LP |
314 | assert(bus); |
315 | assert(message); | |
316 | assert(s); | |
5bc849fd | 317 | |
cc377381 LP |
318 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
319 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); | |
5bc849fd | 320 | |
cc377381 | 321 | session_drop_controller(s); |
bef422ae | 322 | |
cc377381 LP |
323 | return sd_bus_reply_method_return(bus, message, NULL); |
324 | } | |
bef422ae | 325 | |
cc377381 LP |
326 | static int method_take_device(sd_bus *bus, sd_bus_message *message, void *userdata) { |
327 | Session *s = userdata; | |
328 | uint32_t major, minor; | |
329 | SessionDevice *sd; | |
330 | dev_t dev; | |
331 | int r; | |
de07ab16 | 332 | |
cc377381 LP |
333 | assert(bus); |
334 | assert(message); | |
335 | assert(s); | |
de07ab16 | 336 | |
cc377381 LP |
337 | r = sd_bus_message_read(message, "uu", &major, &minor); |
338 | if (r < 0) | |
339 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
340 | ||
341 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
342 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); | |
343 | ||
344 | dev = makedev(major, minor); | |
345 | sd = hashmap_get(s->devices, &dev); | |
346 | if (sd) | |
347 | /* We don't allow retrieving a device multiple times. | |
348 | * The related ReleaseDevice call is not ref-counted. | |
349 | * The caller should use dup() if it requires more | |
350 | * than one fd (it would be functionally | |
351 | * equivalent). */ | |
352 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); | |
353 | ||
354 | r = session_device_new(s, dev, &sd); | |
355 | if (r < 0) | |
356 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
de07ab16 | 357 | |
cc377381 LP |
358 | r = sd_bus_reply_method_return(bus, message, "hb", sd->fd, !sd->active); |
359 | if (r < 0) | |
360 | session_device_free(sd); | |
118ecf32 | 361 | |
cc377381 LP |
362 | return r; |
363 | } | |
118ecf32 | 364 | |
cc377381 LP |
365 | static int method_release_device(sd_bus *bus, sd_bus_message *message, void *userdata) { |
366 | Session *s = userdata; | |
367 | uint32_t major, minor; | |
368 | SessionDevice *sd; | |
369 | dev_t dev; | |
370 | int r; | |
118ecf32 | 371 | |
cc377381 LP |
372 | assert(bus); |
373 | assert(message); | |
374 | assert(s); | |
118ecf32 | 375 | |
cc377381 LP |
376 | r = sd_bus_message_read(message, "uu", &major, &minor); |
377 | if (r < 0) | |
378 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
118ecf32 | 379 | |
cc377381 LP |
380 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
381 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); | |
118ecf32 | 382 | |
cc377381 LP |
383 | dev = makedev(major, minor); |
384 | sd = hashmap_get(s->devices, &dev); | |
385 | if (!sd) | |
386 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); | |
118ecf32 | 387 | |
cc377381 LP |
388 | session_device_free(sd); |
389 | return sd_bus_reply_method_return(bus, message, NULL); | |
390 | } | |
118ecf32 | 391 | |
cc377381 LP |
392 | static int method_pause_device_complete(sd_bus *bus, sd_bus_message *message, void *userdata) { |
393 | Session *s = userdata; | |
394 | uint32_t major, minor; | |
395 | SessionDevice *sd; | |
396 | dev_t dev; | |
397 | int r; | |
118ecf32 | 398 | |
cc377381 LP |
399 | assert(bus); |
400 | assert(message); | |
401 | assert(s); | |
bef422ae | 402 | |
cc377381 LP |
403 | r = sd_bus_message_read(message, "uu", &major, &minor); |
404 | if (r < 0) | |
405 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
406 | ||
407 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
408 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); | |
bef422ae | 409 | |
cc377381 LP |
410 | dev = makedev(major, minor); |
411 | sd = hashmap_get(s->devices, &dev); | |
412 | if (!sd) | |
413 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); | |
bef422ae | 414 | |
cc377381 | 415 | session_device_complete_pause(sd); |
bef422ae | 416 | |
cc377381 | 417 | return sd_bus_reply_method_return(bus, message, NULL); |
3f49d45a LP |
418 | } |
419 | ||
cc377381 LP |
420 | const sd_bus_vtable session_vtable[] = { |
421 | SD_BUS_VTABLE_START(0), | |
422 | ||
423 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), 0), | |
424 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, 0), | |
425 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, 0), | |
426 | SD_BUS_PROPERTY("Timestamp", "t", NULL, offsetof(Session, timestamp.realtime), 0), | |
427 | SD_BUS_PROPERTY("TimestampMonotonic", "t", NULL, offsetof(Session, timestamp.monotonic), 0), | |
428 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), 0), | |
429 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, 0), | |
430 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), 0), | |
431 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), 0), | |
432 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), 0), | |
433 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), 0), | |
434 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), 0), | |
435 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), 0), | |
436 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), 0), | |
437 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), 0), | |
438 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), 0), | |
439 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), 0), | |
440 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), 0), | |
441 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
442 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
443 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
444 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
445 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
446 | ||
447 | SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, 0), | |
448 | SD_BUS_METHOD("Activate", NULL, NULL, method_activate, 0), | |
449 | SD_BUS_METHOD("Lock", NULL, NULL, method_lock, 0), | |
450 | SD_BUS_METHOD("Unlock", NULL, NULL, method_lock, 0), | |
451 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, 0), | |
452 | SD_BUS_METHOD("Kill", "si", NULL, method_kill, 0), | |
453 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, 0), | |
454 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, 0), | |
455 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, 0), | |
456 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, 0), | |
457 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, 0), | |
458 | ||
459 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
460 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
461 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
462 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
463 | ||
464 | SD_BUS_VTABLE_END | |
465 | }; | |
3f49d45a | 466 | |
cc377381 | 467 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { |
3f49d45a | 468 | Manager *m = userdata; |
cc377381 | 469 | Session *session; |
927b1649 | 470 | int r; |
3f49d45a | 471 | |
cc377381 LP |
472 | assert(bus); |
473 | assert(path); | |
474 | assert(interface); | |
475 | assert(found); | |
476 | assert(m); | |
3f49d45a | 477 | |
927b1649 LP |
478 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
479 | sd_bus_message *message; | |
480 | pid_t pid; | |
3f49d45a | 481 | |
927b1649 LP |
482 | message = sd_bus_get_current(bus); |
483 | if (!message) | |
484 | return 0; | |
485 | ||
486 | r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid); | |
487 | if (r < 0) | |
488 | return 0; | |
489 | ||
490 | r = manager_get_session_by_pid(m, pid, &session); | |
491 | if (r <= 0) | |
492 | return 0; | |
493 | } else { | |
494 | _cleanup_free_ char *e = NULL; | |
495 | const char *p; | |
3f49d45a | 496 | |
927b1649 LP |
497 | p = startswith(path, "/org/freedesktop/login1/session/"); |
498 | if (!p) | |
499 | return 0; | |
500 | ||
501 | e = bus_path_unescape(p); | |
502 | if (!e) | |
503 | return -ENOMEM; | |
504 | ||
505 | session = hashmap_get(m->sessions, e); | |
506 | if (!session) | |
507 | return 0; | |
508 | } | |
3f49d45a | 509 | |
cc377381 LP |
510 | *found = session; |
511 | return 1; | |
3f49d45a LP |
512 | } |
513 | ||
3f49d45a | 514 | char *session_bus_path(Session *s) { |
9444b1f2 | 515 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
516 | |
517 | assert(s); | |
518 | ||
519 | t = bus_path_escape(s->id); | |
520 | if (!t) | |
521 | return NULL; | |
522 | ||
4654e558 | 523 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 524 | } |
da119395 | 525 | |
cc377381 LP |
526 | int session_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) { |
527 | _cleanup_strv_free_ char **l = NULL; | |
528 | Manager *m = userdata; | |
529 | Session *session; | |
530 | Iterator i; | |
531 | int r; | |
532 | ||
533 | assert(bus); | |
534 | assert(path); | |
535 | assert(nodes); | |
536 | ||
537 | HASHMAP_FOREACH(session, m->sessions, i) { | |
538 | char *p; | |
539 | ||
540 | p = session_bus_path(session); | |
541 | if (!p) | |
542 | return -ENOMEM; | |
543 | ||
544 | r = strv_push(&l, p); | |
545 | if (r < 0) { | |
546 | free(p); | |
547 | return r; | |
548 | } | |
549 | } | |
550 | ||
551 | *nodes = l; | |
552 | l = NULL; | |
553 | ||
554 | return 1; | |
555 | } | |
556 | ||
da119395 | 557 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 558 | _cleanup_free_ char *p = NULL; |
da119395 LP |
559 | |
560 | assert(s); | |
561 | ||
da119395 LP |
562 | p = session_bus_path(s); |
563 | if (!p) | |
4654e558 | 564 | return -ENOMEM; |
da119395 | 565 | |
cc377381 LP |
566 | return sd_bus_emit_signal( |
567 | s->manager->bus, | |
568 | "/org/freedesktop/login1", | |
569 | "org.freedesktop.login1.Manager", | |
570 | new_session ? "SessionNew" : "SessionRemoved", | |
571 | "so", s->id, p); | |
da119395 | 572 | } |
9418f147 | 573 | |
cc377381 | 574 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 575 | _cleanup_free_ char *p = NULL; |
cc377381 | 576 | char **l; |
9418f147 LP |
577 | |
578 | assert(s); | |
579 | ||
ed18b08b LP |
580 | if (!s->started) |
581 | return 0; | |
582 | ||
9418f147 LP |
583 | p = session_bus_path(s); |
584 | if (!p) | |
585 | return -ENOMEM; | |
586 | ||
cc377381 | 587 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 588 | |
cc377381 | 589 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 590 | } |
88e3dc90 LP |
591 | |
592 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 593 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
594 | |
595 | assert(s); | |
596 | ||
597 | p = session_bus_path(s); | |
598 | if (!p) | |
599 | return -ENOMEM; | |
600 | ||
cc377381 LP |
601 | return sd_bus_emit_signal( |
602 | s->manager->bus, | |
603 | p, | |
604 | "org.freedesktop.login1.Session", | |
605 | lock ? "Lock" : "Unlock", | |
606 | NULL); | |
88e3dc90 | 607 | } |
7ba64386 LP |
608 | |
609 | int session_send_lock_all(Manager *m, bool lock) { | |
610 | Session *session; | |
611 | Iterator i; | |
612 | int r = 0; | |
613 | ||
614 | assert(m); | |
615 | ||
616 | HASHMAP_FOREACH(session, m->sessions, i) { | |
617 | int k; | |
618 | ||
619 | k = session_send_lock(session, lock); | |
620 | if (k < 0) | |
621 | r = k; | |
622 | } | |
623 | ||
624 | return r; | |
625 | } | |
fb6becb4 | 626 | |
cc377381 LP |
627 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
628 | _cleanup_bus_message_unref_ sd_bus_message *c = NULL; | |
629 | _cleanup_close_ int fifo_fd = -1; | |
630 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
631 | |
632 | assert(s); | |
633 | ||
cba38758 LP |
634 | /* This is called after the session scope was successfully |
635 | * created, and finishes where bus_manager_create_session() | |
636 | * left off. */ | |
637 | ||
cc377381 LP |
638 | if (!s->create_message) |
639 | return 0; | |
fb6becb4 | 640 | |
cc377381 LP |
641 | c = s->create_message; |
642 | s->create_message = NULL; | |
fb6becb4 | 643 | |
cc377381 LP |
644 | if (error) |
645 | return sd_bus_reply_method_error(s->manager->bus, c, error); | |
fb6becb4 | 646 | |
cc377381 LP |
647 | /* Update the session state file before we notify the client |
648 | * about the result. */ | |
76e66585 LP |
649 | session_save(s); |
650 | ||
cc377381 LP |
651 | fifo_fd = session_create_fifo(s); |
652 | if (fifo_fd < 0) | |
653 | return fifo_fd; | |
fb6becb4 | 654 | |
cc377381 LP |
655 | p = session_bus_path(s); |
656 | if (!p) | |
657 | return -ENOMEM; | |
fb6becb4 | 658 | |
5a330cda ZJS |
659 | log_debug("Sending reply about created session: " |
660 | "id=%s object_path=%s runtime_path=%s session_fd=%d seat=%s vtnr=%u", | |
661 | s->id, | |
662 | p, | |
663 | s->user->runtime_path, | |
664 | fifo_fd, | |
665 | s->seat ? s->seat->id : "", | |
666 | (uint32_t) s->vtnr); | |
667 | ||
cc377381 LP |
668 | return sd_bus_reply_method_return( |
669 | s->manager->bus, c, | |
670 | "soshsub", | |
671 | s->id, | |
672 | p, | |
673 | s->user->runtime_path, | |
674 | fifo_fd, | |
675 | s->seat ? s->seat->id : "", | |
676 | (uint32_t) s->vtnr, | |
677 | false); | |
fb6becb4 | 678 | } |