]>
Commit | Line | Data |
---|---|---|
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> |
adacb957 | 24 | #include <sys/capability.h> |
3f49d45a | 25 | |
cc377381 LP |
26 | #include "util.h" |
27 | #include "strv.h" | |
28 | #include "bus-util.h" | |
718db961 | 29 | #include "bus-errors.h" |
a6278b88 | 30 | #include "bus-label.h" |
cc377381 | 31 | |
3f49d45a LP |
32 | #include "logind.h" |
33 | #include "logind-session.h" | |
118ecf32 | 34 | #include "logind-session-device.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; | |
a185c5aa LP |
167 | dual_timestamp t; |
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 | ||
ebcf1f97 | 184 | static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
185 | Session *s = userdata; |
186 | int r; | |
0604381b | 187 | |
cc377381 LP |
188 | assert(bus); |
189 | assert(message); | |
0604381b LP |
190 | assert(s); |
191 | ||
9bb69af4 | 192 | r = session_stop(s, true); |
cc377381 | 193 | if (r < 0) |
ebcf1f97 | 194 | return r; |
0604381b | 195 | |
df2d202e | 196 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
197 | } |
198 | ||
ebcf1f97 | 199 | static int method_activate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
200 | Session *s = userdata; |
201 | int r; | |
3f49d45a | 202 | |
cc377381 LP |
203 | assert(bus); |
204 | assert(message); | |
205 | assert(s); | |
3f49d45a | 206 | |
cc377381 LP |
207 | r = session_activate(s); |
208 | if (r < 0) | |
ebcf1f97 | 209 | return r; |
3f49d45a | 210 | |
df2d202e | 211 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
212 | } |
213 | ||
ebcf1f97 | 214 | static int method_lock(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
215 | Session *s = userdata; |
216 | int r; | |
217 | ||
218 | assert(bus); | |
219 | assert(message); | |
220 | assert(s); | |
3f49d45a | 221 | |
cc377381 LP |
222 | r = session_send_lock(s, streq(sd_bus_message_get_member(message), "Lock")); |
223 | if (r < 0) | |
ebcf1f97 | 224 | return r; |
3f49d45a | 225 | |
df2d202e | 226 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
227 | } |
228 | ||
ebcf1f97 | 229 | static int method_set_idle_hint(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5b12334d | 230 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
cc377381 LP |
231 | Session *s = userdata; |
232 | uid_t uid; | |
233 | int r, b; | |
d200735e | 234 | |
cc377381 LP |
235 | assert(bus); |
236 | assert(message); | |
237 | assert(s); | |
238 | ||
239 | r = sd_bus_message_read(message, "b", &b); | |
240 | if (r < 0) | |
ebcf1f97 | 241 | return r; |
d200735e | 242 | |
5b12334d LP |
243 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds); |
244 | if (r < 0) | |
245 | return r; | |
246 | ||
247 | r = sd_bus_creds_get_uid(creds, &uid); | |
cc377381 | 248 | if (r < 0) |
ebcf1f97 | 249 | return r; |
cc377381 LP |
250 | |
251 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 252 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
253 | |
254 | session_set_idle_hint(s, b); | |
3f49d45a | 255 | |
df2d202e | 256 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
257 | } |
258 | ||
ebcf1f97 | 259 | static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
260 | Session *s = userdata; |
261 | const char *swho; | |
262 | int32_t signo; | |
263 | KillWho who; | |
bef422ae LP |
264 | int r; |
265 | ||
cc377381 | 266 | assert(bus); |
3f49d45a | 267 | assert(message); |
cc377381 | 268 | assert(s); |
3f49d45a | 269 | |
cc377381 LP |
270 | r = sd_bus_message_read(message, "si", &swho, &signo); |
271 | if (r < 0) | |
ebcf1f97 | 272 | return r; |
cc377381 LP |
273 | |
274 | if (isempty(swho)) | |
275 | who = KILL_ALL; | |
276 | else { | |
277 | who = kill_who_from_string(swho); | |
278 | if (who < 0) | |
ebcf1f97 | 279 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 280 | } |
bef422ae | 281 | |
cc377381 | 282 | if (signo <= 0 || signo >= _NSIG) |
ebcf1f97 | 283 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 284 | |
cc377381 LP |
285 | r = session_kill(s, who, signo); |
286 | if (r < 0) | |
ebcf1f97 | 287 | return r; |
bef422ae | 288 | |
df2d202e | 289 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 290 | } |
bef422ae | 291 | |
ebcf1f97 | 292 | static int method_take_control(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5b12334d | 293 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
cc377381 LP |
294 | Session *s = userdata; |
295 | int r, force; | |
296 | uid_t uid; | |
bef422ae | 297 | |
cc377381 LP |
298 | assert(bus); |
299 | assert(message); | |
300 | assert(s); | |
bef422ae | 301 | |
cc377381 LP |
302 | r = sd_bus_message_read(message, "b", &force); |
303 | if (r < 0) | |
ebcf1f97 | 304 | return r; |
bef422ae | 305 | |
5b12334d LP |
306 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds); |
307 | if (r < 0) | |
308 | return r; | |
309 | ||
310 | r = sd_bus_creds_get_uid(creds, &uid); | |
cc377381 | 311 | if (r < 0) |
ebcf1f97 | 312 | return r; |
bef422ae | 313 | |
cc377381 | 314 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 315 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 316 | |
cc377381 LP |
317 | r = session_set_controller(s, sd_bus_message_get_sender(message), force); |
318 | if (r < 0) | |
ebcf1f97 | 319 | return r; |
bef422ae | 320 | |
df2d202e | 321 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 322 | } |
bef422ae | 323 | |
ebcf1f97 | 324 | static int method_release_control(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 325 | Session *s = userdata; |
bef422ae | 326 | |
cc377381 LP |
327 | assert(bus); |
328 | assert(message); | |
329 | assert(s); | |
5bc849fd | 330 | |
cc377381 | 331 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 332 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 333 | |
cc377381 | 334 | session_drop_controller(s); |
bef422ae | 335 | |
df2d202e | 336 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 337 | } |
bef422ae | 338 | |
ebcf1f97 | 339 | static int method_take_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
340 | Session *s = userdata; |
341 | uint32_t major, minor; | |
342 | SessionDevice *sd; | |
343 | dev_t dev; | |
344 | int r; | |
de07ab16 | 345 | |
cc377381 LP |
346 | assert(bus); |
347 | assert(message); | |
348 | assert(s); | |
de07ab16 | 349 | |
cc377381 LP |
350 | r = sd_bus_message_read(message, "uu", &major, &minor); |
351 | if (r < 0) | |
ebcf1f97 | 352 | return r; |
cc377381 LP |
353 | |
354 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 355 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
356 | |
357 | dev = makedev(major, minor); | |
358 | sd = hashmap_get(s->devices, &dev); | |
359 | if (sd) | |
360 | /* We don't allow retrieving a device multiple times. | |
361 | * The related ReleaseDevice call is not ref-counted. | |
362 | * The caller should use dup() if it requires more | |
363 | * than one fd (it would be functionally | |
364 | * equivalent). */ | |
ebcf1f97 | 365 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 LP |
366 | |
367 | r = session_device_new(s, dev, &sd); | |
368 | if (r < 0) | |
ebcf1f97 | 369 | return r; |
de07ab16 | 370 | |
df2d202e | 371 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 LP |
372 | if (r < 0) |
373 | session_device_free(sd); | |
118ecf32 | 374 | |
cc377381 LP |
375 | return r; |
376 | } | |
118ecf32 | 377 | |
ebcf1f97 | 378 | static int method_release_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
379 | Session *s = userdata; |
380 | uint32_t major, minor; | |
381 | SessionDevice *sd; | |
382 | dev_t dev; | |
383 | int r; | |
118ecf32 | 384 | |
cc377381 LP |
385 | assert(bus); |
386 | assert(message); | |
387 | assert(s); | |
118ecf32 | 388 | |
cc377381 LP |
389 | r = sd_bus_message_read(message, "uu", &major, &minor); |
390 | if (r < 0) | |
ebcf1f97 | 391 | return r; |
118ecf32 | 392 | |
cc377381 | 393 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 394 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 395 | |
cc377381 LP |
396 | dev = makedev(major, minor); |
397 | sd = hashmap_get(s->devices, &dev); | |
398 | if (!sd) | |
ebcf1f97 | 399 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 400 | |
cc377381 | 401 | session_device_free(sd); |
df2d202e | 402 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 403 | } |
118ecf32 | 404 | |
ebcf1f97 | 405 | static int method_pause_device_complete(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
406 | Session *s = userdata; |
407 | uint32_t major, minor; | |
408 | SessionDevice *sd; | |
409 | dev_t dev; | |
410 | int r; | |
118ecf32 | 411 | |
cc377381 LP |
412 | assert(bus); |
413 | assert(message); | |
414 | assert(s); | |
bef422ae | 415 | |
cc377381 LP |
416 | r = sd_bus_message_read(message, "uu", &major, &minor); |
417 | if (r < 0) | |
ebcf1f97 | 418 | return r; |
cc377381 LP |
419 | |
420 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 421 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 422 | |
cc377381 LP |
423 | dev = makedev(major, minor); |
424 | sd = hashmap_get(s->devices, &dev); | |
425 | if (!sd) | |
ebcf1f97 | 426 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 427 | |
cc377381 | 428 | session_device_complete_pause(sd); |
bef422ae | 429 | |
df2d202e | 430 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
431 | } |
432 | ||
cc377381 LP |
433 | const sd_bus_vtable session_vtable[] = { |
434 | SD_BUS_VTABLE_START(0), | |
435 | ||
556089dc LP |
436 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
437 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
438 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
439 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
440 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
441 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
442 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
443 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
444 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
445 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
446 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
447 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 448 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
449 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
450 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
451 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
452 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
453 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
454 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
455 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
456 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
457 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
458 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
459 | ||
adacb957 LP |
460 | SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), |
461 | SD_BUS_METHOD("Activate", NULL, NULL, method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
462 | SD_BUS_METHOD("Lock", NULL, NULL, method_lock, 0), |
463 | SD_BUS_METHOD("Unlock", NULL, NULL, method_lock, 0), | |
adacb957 LP |
464 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
465 | SD_BUS_METHOD("Kill", "si", NULL, method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), | |
466 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
467 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
468 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
469 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
470 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
471 | |
472 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
473 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
474 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
475 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
476 | ||
477 | SD_BUS_VTABLE_END | |
478 | }; | |
3f49d45a | 479 | |
f00c3121 | 480 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 481 | Manager *m = userdata; |
cc377381 | 482 | Session *session; |
927b1649 | 483 | int r; |
3f49d45a | 484 | |
cc377381 LP |
485 | assert(bus); |
486 | assert(path); | |
487 | assert(interface); | |
488 | assert(found); | |
489 | assert(m); | |
3f49d45a | 490 | |
927b1649 | 491 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
5b12334d | 492 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
927b1649 LP |
493 | sd_bus_message *message; |
494 | pid_t pid; | |
3f49d45a | 495 | |
19befb2d | 496 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
497 | if (!message) |
498 | return 0; | |
499 | ||
5b12334d | 500 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); |
927b1649 | 501 | if (r < 0) |
5b12334d LP |
502 | return r; |
503 | ||
504 | r = sd_bus_creds_get_pid(creds, &pid); | |
505 | if (r < 0) | |
506 | return r; | |
927b1649 LP |
507 | |
508 | r = manager_get_session_by_pid(m, pid, &session); | |
509 | if (r <= 0) | |
510 | return 0; | |
511 | } else { | |
512 | _cleanup_free_ char *e = NULL; | |
513 | const char *p; | |
3f49d45a | 514 | |
927b1649 LP |
515 | p = startswith(path, "/org/freedesktop/login1/session/"); |
516 | if (!p) | |
517 | return 0; | |
518 | ||
a6278b88 | 519 | e = bus_label_unescape(p); |
927b1649 LP |
520 | if (!e) |
521 | return -ENOMEM; | |
522 | ||
523 | session = hashmap_get(m->sessions, e); | |
524 | if (!session) | |
525 | return 0; | |
526 | } | |
3f49d45a | 527 | |
cc377381 LP |
528 | *found = session; |
529 | return 1; | |
3f49d45a LP |
530 | } |
531 | ||
3f49d45a | 532 | char *session_bus_path(Session *s) { |
9444b1f2 | 533 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
534 | |
535 | assert(s); | |
536 | ||
a6278b88 | 537 | t = bus_label_escape(s->id); |
3f49d45a LP |
538 | if (!t) |
539 | return NULL; | |
540 | ||
4654e558 | 541 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 542 | } |
da119395 | 543 | |
f00c3121 | 544 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 LP |
545 | _cleanup_strv_free_ char **l = NULL; |
546 | Manager *m = userdata; | |
547 | Session *session; | |
548 | Iterator i; | |
549 | int r; | |
550 | ||
551 | assert(bus); | |
552 | assert(path); | |
553 | assert(nodes); | |
554 | ||
555 | HASHMAP_FOREACH(session, m->sessions, i) { | |
556 | char *p; | |
557 | ||
558 | p = session_bus_path(session); | |
559 | if (!p) | |
560 | return -ENOMEM; | |
561 | ||
6e18964d ZJS |
562 | r = strv_consume(&l, p); |
563 | if (r < 0) | |
cc377381 | 564 | return r; |
cc377381 LP |
565 | } |
566 | ||
567 | *nodes = l; | |
568 | l = NULL; | |
569 | ||
570 | return 1; | |
571 | } | |
572 | ||
da119395 | 573 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 574 | _cleanup_free_ char *p = NULL; |
da119395 LP |
575 | |
576 | assert(s); | |
577 | ||
da119395 LP |
578 | p = session_bus_path(s); |
579 | if (!p) | |
4654e558 | 580 | return -ENOMEM; |
da119395 | 581 | |
cc377381 LP |
582 | return sd_bus_emit_signal( |
583 | s->manager->bus, | |
584 | "/org/freedesktop/login1", | |
585 | "org.freedesktop.login1.Manager", | |
586 | new_session ? "SessionNew" : "SessionRemoved", | |
587 | "so", s->id, p); | |
da119395 | 588 | } |
9418f147 | 589 | |
cc377381 | 590 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 591 | _cleanup_free_ char *p = NULL; |
cc377381 | 592 | char **l; |
9418f147 LP |
593 | |
594 | assert(s); | |
595 | ||
ed18b08b LP |
596 | if (!s->started) |
597 | return 0; | |
598 | ||
9418f147 LP |
599 | p = session_bus_path(s); |
600 | if (!p) | |
601 | return -ENOMEM; | |
602 | ||
cc377381 | 603 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 604 | |
cc377381 | 605 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 606 | } |
88e3dc90 LP |
607 | |
608 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 609 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
610 | |
611 | assert(s); | |
612 | ||
613 | p = session_bus_path(s); | |
614 | if (!p) | |
615 | return -ENOMEM; | |
616 | ||
cc377381 LP |
617 | return sd_bus_emit_signal( |
618 | s->manager->bus, | |
619 | p, | |
620 | "org.freedesktop.login1.Session", | |
621 | lock ? "Lock" : "Unlock", | |
622 | NULL); | |
88e3dc90 | 623 | } |
7ba64386 LP |
624 | |
625 | int session_send_lock_all(Manager *m, bool lock) { | |
626 | Session *session; | |
627 | Iterator i; | |
628 | int r = 0; | |
629 | ||
630 | assert(m); | |
631 | ||
632 | HASHMAP_FOREACH(session, m->sessions, i) { | |
633 | int k; | |
634 | ||
635 | k = session_send_lock(session, lock); | |
636 | if (k < 0) | |
637 | r = k; | |
638 | } | |
639 | ||
640 | return r; | |
641 | } | |
fb6becb4 | 642 | |
cc377381 LP |
643 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
644 | _cleanup_bus_message_unref_ sd_bus_message *c = NULL; | |
645 | _cleanup_close_ int fifo_fd = -1; | |
646 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
647 | |
648 | assert(s); | |
649 | ||
dd9b67aa LP |
650 | /* This is called after the session scope and the user service |
651 | * were successfully created, and finishes where | |
652 | * bus_manager_create_session() left off. */ | |
cba38758 | 653 | |
cc377381 LP |
654 | if (!s->create_message) |
655 | return 0; | |
fb6becb4 | 656 | |
dd9b67aa LP |
657 | if (!sd_bus_error_is_set(error) && (s->scope_job || s->user->service_job)) |
658 | return 0; | |
659 | ||
cc377381 LP |
660 | c = s->create_message; |
661 | s->create_message = NULL; | |
fb6becb4 | 662 | |
cc377381 | 663 | if (error) |
df2d202e | 664 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 665 | |
cc377381 LP |
666 | fifo_fd = session_create_fifo(s); |
667 | if (fifo_fd < 0) | |
668 | return fifo_fd; | |
fb6becb4 | 669 | |
38fdcbed TA |
670 | /* Update the session state file before we notify the client |
671 | * about the result. */ | |
672 | session_save(s); | |
673 | ||
cc377381 LP |
674 | p = session_bus_path(s); |
675 | if (!p) | |
676 | return -ENOMEM; | |
fb6becb4 | 677 | |
5a330cda | 678 | log_debug("Sending reply about created session: " |
236af516 DH |
679 | "id=%s object_path=%s uid=%u runtime_path=%s " |
680 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
681 | s->id, |
682 | p, | |
236af516 | 683 | (uint32_t) s->user->uid, |
5a330cda ZJS |
684 | s->user->runtime_path, |
685 | fifo_fd, | |
686 | s->seat ? s->seat->id : "", | |
687 | (uint32_t) s->vtnr); | |
688 | ||
cc377381 | 689 | return sd_bus_reply_method_return( |
baae0358 | 690 | c, "soshusub", |
cc377381 LP |
691 | s->id, |
692 | p, | |
693 | s->user->runtime_path, | |
694 | fifo_fd, | |
baae0358 | 695 | (uint32_t) s->user->uid, |
cc377381 LP |
696 | s->seat ? s->seat->id : "", |
697 | (uint32_t) s->vtnr, | |
698 | false); | |
fb6becb4 | 699 | } |