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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> |
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" |
cc377381 | 30 | |
3f49d45a LP |
31 | #include "logind.h" |
32 | #include "logind-session.h" | |
118ecf32 | 33 | #include "logind-session-device.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; | |
a185c5aa LP |
166 | dual_timestamp t; |
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 | ||
ebcf1f97 | 183 | static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
184 | Session *s = userdata; |
185 | int r; | |
0604381b | 186 | |
cc377381 LP |
187 | assert(bus); |
188 | assert(message); | |
0604381b LP |
189 | assert(s); |
190 | ||
9bb69af4 | 191 | r = session_stop(s, true); |
cc377381 | 192 | if (r < 0) |
ebcf1f97 | 193 | return r; |
0604381b | 194 | |
df2d202e | 195 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
196 | } |
197 | ||
ebcf1f97 | 198 | static int method_activate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
199 | Session *s = userdata; |
200 | int r; | |
3f49d45a | 201 | |
cc377381 LP |
202 | assert(bus); |
203 | assert(message); | |
204 | assert(s); | |
3f49d45a | 205 | |
cc377381 LP |
206 | r = session_activate(s); |
207 | if (r < 0) | |
ebcf1f97 | 208 | return r; |
3f49d45a | 209 | |
df2d202e | 210 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
211 | } |
212 | ||
ebcf1f97 | 213 | static int method_lock(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
214 | Session *s = userdata; |
215 | int r; | |
216 | ||
217 | assert(bus); | |
218 | assert(message); | |
219 | assert(s); | |
3f49d45a | 220 | |
cc377381 LP |
221 | r = session_send_lock(s, streq(sd_bus_message_get_member(message), "Lock")); |
222 | if (r < 0) | |
ebcf1f97 | 223 | return r; |
3f49d45a | 224 | |
df2d202e | 225 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
226 | } |
227 | ||
ebcf1f97 | 228 | static int method_set_idle_hint(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5b12334d | 229 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
cc377381 LP |
230 | Session *s = userdata; |
231 | uid_t uid; | |
232 | int r, b; | |
d200735e | 233 | |
cc377381 LP |
234 | assert(bus); |
235 | assert(message); | |
236 | assert(s); | |
237 | ||
238 | r = sd_bus_message_read(message, "b", &b); | |
239 | if (r < 0) | |
ebcf1f97 | 240 | return r; |
d200735e | 241 | |
5b12334d LP |
242 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds); |
243 | if (r < 0) | |
244 | return r; | |
245 | ||
246 | r = sd_bus_creds_get_uid(creds, &uid); | |
cc377381 | 247 | if (r < 0) |
ebcf1f97 | 248 | return r; |
cc377381 LP |
249 | |
250 | if (uid != 0 && uid != s->user->uid) | |
ebcf1f97 | 251 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session my set idle hint"); |
cc377381 LP |
252 | |
253 | session_set_idle_hint(s, b); | |
3f49d45a | 254 | |
df2d202e | 255 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
256 | } |
257 | ||
ebcf1f97 | 258 | static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
259 | Session *s = userdata; |
260 | const char *swho; | |
261 | int32_t signo; | |
262 | KillWho who; | |
bef422ae LP |
263 | int r; |
264 | ||
cc377381 | 265 | assert(bus); |
3f49d45a | 266 | assert(message); |
cc377381 | 267 | assert(s); |
3f49d45a | 268 | |
cc377381 LP |
269 | r = sd_bus_message_read(message, "si", &swho, &signo); |
270 | if (r < 0) | |
ebcf1f97 | 271 | return r; |
cc377381 LP |
272 | |
273 | if (isempty(swho)) | |
274 | who = KILL_ALL; | |
275 | else { | |
276 | who = kill_who_from_string(swho); | |
277 | if (who < 0) | |
ebcf1f97 | 278 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 279 | } |
bef422ae | 280 | |
cc377381 | 281 | if (signo <= 0 || signo >= _NSIG) |
ebcf1f97 | 282 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 283 | |
cc377381 LP |
284 | r = session_kill(s, who, signo); |
285 | if (r < 0) | |
ebcf1f97 | 286 | return r; |
bef422ae | 287 | |
df2d202e | 288 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 289 | } |
bef422ae | 290 | |
ebcf1f97 | 291 | static int method_take_control(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5b12334d | 292 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
cc377381 LP |
293 | Session *s = userdata; |
294 | int r, force; | |
295 | uid_t uid; | |
bef422ae | 296 | |
cc377381 LP |
297 | assert(bus); |
298 | assert(message); | |
299 | assert(s); | |
bef422ae | 300 | |
cc377381 LP |
301 | r = sd_bus_message_read(message, "b", &force); |
302 | if (r < 0) | |
ebcf1f97 | 303 | return r; |
bef422ae | 304 | |
5b12334d LP |
305 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds); |
306 | if (r < 0) | |
307 | return r; | |
308 | ||
309 | r = sd_bus_creds_get_uid(creds, &uid); | |
cc377381 | 310 | if (r < 0) |
ebcf1f97 | 311 | return r; |
bef422ae | 312 | |
cc377381 | 313 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 314 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 315 | |
cc377381 LP |
316 | r = session_set_controller(s, sd_bus_message_get_sender(message), force); |
317 | if (r < 0) | |
ebcf1f97 | 318 | return r; |
bef422ae | 319 | |
df2d202e | 320 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 321 | } |
bef422ae | 322 | |
ebcf1f97 | 323 | static int method_release_control(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 324 | Session *s = userdata; |
bef422ae | 325 | |
cc377381 LP |
326 | assert(bus); |
327 | assert(message); | |
328 | assert(s); | |
5bc849fd | 329 | |
cc377381 | 330 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 331 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 332 | |
cc377381 | 333 | session_drop_controller(s); |
bef422ae | 334 | |
df2d202e | 335 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 336 | } |
bef422ae | 337 | |
ebcf1f97 | 338 | static int method_take_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
339 | Session *s = userdata; |
340 | uint32_t major, minor; | |
341 | SessionDevice *sd; | |
342 | dev_t dev; | |
343 | int r; | |
de07ab16 | 344 | |
cc377381 LP |
345 | assert(bus); |
346 | assert(message); | |
347 | assert(s); | |
de07ab16 | 348 | |
cc377381 LP |
349 | r = sd_bus_message_read(message, "uu", &major, &minor); |
350 | if (r < 0) | |
ebcf1f97 | 351 | return r; |
cc377381 LP |
352 | |
353 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 354 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
355 | |
356 | dev = makedev(major, minor); | |
357 | sd = hashmap_get(s->devices, &dev); | |
358 | if (sd) | |
359 | /* We don't allow retrieving a device multiple times. | |
360 | * The related ReleaseDevice call is not ref-counted. | |
361 | * The caller should use dup() if it requires more | |
362 | * than one fd (it would be functionally | |
363 | * equivalent). */ | |
ebcf1f97 | 364 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 LP |
365 | |
366 | r = session_device_new(s, dev, &sd); | |
367 | if (r < 0) | |
ebcf1f97 | 368 | return r; |
de07ab16 | 369 | |
df2d202e | 370 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 LP |
371 | if (r < 0) |
372 | session_device_free(sd); | |
118ecf32 | 373 | |
cc377381 LP |
374 | return r; |
375 | } | |
118ecf32 | 376 | |
ebcf1f97 | 377 | static int method_release_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
378 | Session *s = userdata; |
379 | uint32_t major, minor; | |
380 | SessionDevice *sd; | |
381 | dev_t dev; | |
382 | int r; | |
118ecf32 | 383 | |
cc377381 LP |
384 | assert(bus); |
385 | assert(message); | |
386 | assert(s); | |
118ecf32 | 387 | |
cc377381 LP |
388 | r = sd_bus_message_read(message, "uu", &major, &minor); |
389 | if (r < 0) | |
ebcf1f97 | 390 | return r; |
118ecf32 | 391 | |
cc377381 | 392 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 393 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 394 | |
cc377381 LP |
395 | dev = makedev(major, minor); |
396 | sd = hashmap_get(s->devices, &dev); | |
397 | if (!sd) | |
ebcf1f97 | 398 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 399 | |
cc377381 | 400 | session_device_free(sd); |
df2d202e | 401 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 402 | } |
118ecf32 | 403 | |
ebcf1f97 | 404 | static int method_pause_device_complete(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
405 | Session *s = userdata; |
406 | uint32_t major, minor; | |
407 | SessionDevice *sd; | |
408 | dev_t dev; | |
409 | int r; | |
118ecf32 | 410 | |
cc377381 LP |
411 | assert(bus); |
412 | assert(message); | |
413 | assert(s); | |
bef422ae | 414 | |
cc377381 LP |
415 | r = sd_bus_message_read(message, "uu", &major, &minor); |
416 | if (r < 0) | |
ebcf1f97 | 417 | return r; |
cc377381 LP |
418 | |
419 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) | |
ebcf1f97 | 420 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 421 | |
cc377381 LP |
422 | dev = makedev(major, minor); |
423 | sd = hashmap_get(s->devices, &dev); | |
424 | if (!sd) | |
ebcf1f97 | 425 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 426 | |
cc377381 | 427 | session_device_complete_pause(sd); |
bef422ae | 428 | |
df2d202e | 429 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
430 | } |
431 | ||
cc377381 LP |
432 | const sd_bus_vtable session_vtable[] = { |
433 | SD_BUS_VTABLE_START(0), | |
434 | ||
556089dc LP |
435 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
436 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
437 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
438 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
439 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
440 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
441 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
442 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
443 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
444 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
445 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
446 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 447 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
448 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
449 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
450 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
451 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
452 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
453 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
454 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
455 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
456 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
457 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
458 | ||
adacb957 LP |
459 | SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), |
460 | SD_BUS_METHOD("Activate", NULL, NULL, method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
461 | SD_BUS_METHOD("Lock", NULL, NULL, method_lock, 0), |
462 | SD_BUS_METHOD("Unlock", NULL, NULL, method_lock, 0), | |
adacb957 LP |
463 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
464 | SD_BUS_METHOD("Kill", "si", NULL, method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), | |
465 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
466 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
467 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
468 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
469 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
470 | |
471 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
472 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
473 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
474 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
475 | ||
476 | SD_BUS_VTABLE_END | |
477 | }; | |
3f49d45a | 478 | |
f00c3121 | 479 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 480 | Manager *m = userdata; |
cc377381 | 481 | Session *session; |
927b1649 | 482 | int r; |
3f49d45a | 483 | |
cc377381 LP |
484 | assert(bus); |
485 | assert(path); | |
486 | assert(interface); | |
487 | assert(found); | |
488 | assert(m); | |
3f49d45a | 489 | |
927b1649 | 490 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
5b12334d | 491 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
927b1649 LP |
492 | sd_bus_message *message; |
493 | pid_t pid; | |
3f49d45a | 494 | |
927b1649 LP |
495 | message = sd_bus_get_current(bus); |
496 | if (!message) | |
497 | return 0; | |
498 | ||
5b12334d | 499 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); |
927b1649 | 500 | if (r < 0) |
5b12334d LP |
501 | return r; |
502 | ||
503 | r = sd_bus_creds_get_pid(creds, &pid); | |
504 | if (r < 0) | |
505 | return r; | |
927b1649 LP |
506 | |
507 | r = manager_get_session_by_pid(m, pid, &session); | |
508 | if (r <= 0) | |
509 | return 0; | |
510 | } else { | |
511 | _cleanup_free_ char *e = NULL; | |
512 | const char *p; | |
3f49d45a | 513 | |
927b1649 LP |
514 | p = startswith(path, "/org/freedesktop/login1/session/"); |
515 | if (!p) | |
516 | return 0; | |
517 | ||
28383ba1 | 518 | e = sd_bus_label_unescape(p); |
927b1649 LP |
519 | if (!e) |
520 | return -ENOMEM; | |
521 | ||
522 | session = hashmap_get(m->sessions, e); | |
523 | if (!session) | |
524 | return 0; | |
525 | } | |
3f49d45a | 526 | |
cc377381 LP |
527 | *found = session; |
528 | return 1; | |
3f49d45a LP |
529 | } |
530 | ||
3f49d45a | 531 | char *session_bus_path(Session *s) { |
9444b1f2 | 532 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
533 | |
534 | assert(s); | |
535 | ||
28383ba1 | 536 | t = sd_bus_label_escape(s->id); |
3f49d45a LP |
537 | if (!t) |
538 | return NULL; | |
539 | ||
4654e558 | 540 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 541 | } |
da119395 | 542 | |
f00c3121 | 543 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 LP |
544 | _cleanup_strv_free_ char **l = NULL; |
545 | Manager *m = userdata; | |
546 | Session *session; | |
547 | Iterator i; | |
548 | int r; | |
549 | ||
550 | assert(bus); | |
551 | assert(path); | |
552 | assert(nodes); | |
553 | ||
554 | HASHMAP_FOREACH(session, m->sessions, i) { | |
555 | char *p; | |
556 | ||
557 | p = session_bus_path(session); | |
558 | if (!p) | |
559 | return -ENOMEM; | |
560 | ||
6e18964d ZJS |
561 | r = strv_consume(&l, p); |
562 | if (r < 0) | |
cc377381 | 563 | return r; |
cc377381 LP |
564 | } |
565 | ||
566 | *nodes = l; | |
567 | l = NULL; | |
568 | ||
569 | return 1; | |
570 | } | |
571 | ||
da119395 | 572 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 573 | _cleanup_free_ char *p = NULL; |
da119395 LP |
574 | |
575 | assert(s); | |
576 | ||
da119395 LP |
577 | p = session_bus_path(s); |
578 | if (!p) | |
4654e558 | 579 | return -ENOMEM; |
da119395 | 580 | |
cc377381 LP |
581 | return sd_bus_emit_signal( |
582 | s->manager->bus, | |
583 | "/org/freedesktop/login1", | |
584 | "org.freedesktop.login1.Manager", | |
585 | new_session ? "SessionNew" : "SessionRemoved", | |
586 | "so", s->id, p); | |
da119395 | 587 | } |
9418f147 | 588 | |
cc377381 | 589 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 590 | _cleanup_free_ char *p = NULL; |
cc377381 | 591 | char **l; |
9418f147 LP |
592 | |
593 | assert(s); | |
594 | ||
ed18b08b LP |
595 | if (!s->started) |
596 | return 0; | |
597 | ||
9418f147 LP |
598 | p = session_bus_path(s); |
599 | if (!p) | |
600 | return -ENOMEM; | |
601 | ||
cc377381 | 602 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 603 | |
cc377381 | 604 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 605 | } |
88e3dc90 LP |
606 | |
607 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 608 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
609 | |
610 | assert(s); | |
611 | ||
612 | p = session_bus_path(s); | |
613 | if (!p) | |
614 | return -ENOMEM; | |
615 | ||
cc377381 LP |
616 | return sd_bus_emit_signal( |
617 | s->manager->bus, | |
618 | p, | |
619 | "org.freedesktop.login1.Session", | |
620 | lock ? "Lock" : "Unlock", | |
621 | NULL); | |
88e3dc90 | 622 | } |
7ba64386 LP |
623 | |
624 | int session_send_lock_all(Manager *m, bool lock) { | |
625 | Session *session; | |
626 | Iterator i; | |
627 | int r = 0; | |
628 | ||
629 | assert(m); | |
630 | ||
631 | HASHMAP_FOREACH(session, m->sessions, i) { | |
632 | int k; | |
633 | ||
634 | k = session_send_lock(session, lock); | |
635 | if (k < 0) | |
636 | r = k; | |
637 | } | |
638 | ||
639 | return r; | |
640 | } | |
fb6becb4 | 641 | |
cc377381 LP |
642 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
643 | _cleanup_bus_message_unref_ sd_bus_message *c = NULL; | |
644 | _cleanup_close_ int fifo_fd = -1; | |
645 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
646 | |
647 | assert(s); | |
648 | ||
dd9b67aa LP |
649 | /* This is called after the session scope and the user service |
650 | * were successfully created, and finishes where | |
651 | * bus_manager_create_session() left off. */ | |
cba38758 | 652 | |
cc377381 LP |
653 | if (!s->create_message) |
654 | return 0; | |
fb6becb4 | 655 | |
dd9b67aa LP |
656 | if (!sd_bus_error_is_set(error) && (s->scope_job || s->user->service_job)) |
657 | return 0; | |
658 | ||
cc377381 LP |
659 | c = s->create_message; |
660 | s->create_message = NULL; | |
fb6becb4 | 661 | |
cc377381 | 662 | if (error) |
df2d202e | 663 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 664 | |
cc377381 LP |
665 | fifo_fd = session_create_fifo(s); |
666 | if (fifo_fd < 0) | |
667 | return fifo_fd; | |
fb6becb4 | 668 | |
38fdcbed TA |
669 | /* Update the session state file before we notify the client |
670 | * about the result. */ | |
671 | session_save(s); | |
672 | ||
cc377381 LP |
673 | p = session_bus_path(s); |
674 | if (!p) | |
675 | return -ENOMEM; | |
fb6becb4 | 676 | |
5a330cda | 677 | log_debug("Sending reply about created session: " |
236af516 DH |
678 | "id=%s object_path=%s uid=%u runtime_path=%s " |
679 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
680 | s->id, |
681 | p, | |
236af516 | 682 | (uint32_t) s->user->uid, |
5a330cda ZJS |
683 | s->user->runtime_path, |
684 | fifo_fd, | |
685 | s->seat ? s->seat->id : "", | |
686 | (uint32_t) s->vtnr); | |
687 | ||
cc377381 | 688 | return sd_bus_reply_method_return( |
baae0358 | 689 | c, "soshusub", |
cc377381 LP |
690 | s->id, |
691 | p, | |
692 | s->user->runtime_path, | |
693 | fifo_fd, | |
baae0358 | 694 | (uint32_t) s->user->uid, |
cc377381 LP |
695 | s->seat ? s->seat->id : "", |
696 | (uint32_t) s->vtnr, | |
697 | false); | |
fb6becb4 | 698 | } |