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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" | |
36dd5ffd | 14 | #include "missing_capability.h" |
6eb7c172 | 15 | #include "signal-util.h" |
fa583ab1 | 16 | #include "stat-util.h" |
3ffd4af2 LP |
17 | #include "strv.h" |
18 | #include "util.h" | |
3f49d45a | 19 | |
cc377381 LP |
20 | static int property_get_user( |
21 | sd_bus *bus, | |
22 | const char *path, | |
23 | const char *interface, | |
24 | const char *property, | |
25 | sd_bus_message *reply, | |
ebcf1f97 LP |
26 | void *userdata, |
27 | sd_bus_error *error) { | |
cc377381 LP |
28 | |
29 | _cleanup_free_ char *p = NULL; | |
30 | Session *s = userdata; | |
31 | ||
32 | assert(bus); | |
33 | assert(reply); | |
3f49d45a LP |
34 | assert(s); |
35 | ||
cc377381 LP |
36 | p = user_bus_path(s->user); |
37 | if (!p) | |
3f49d45a LP |
38 | return -ENOMEM; |
39 | ||
cc377381 LP |
40 | return sd_bus_message_append(reply, "(uo)", (uint32_t) s->user->uid, p); |
41 | } | |
3f49d45a | 42 | |
cc377381 LP |
43 | static int property_get_name( |
44 | sd_bus *bus, | |
45 | const char *path, | |
46 | const char *interface, | |
47 | const char *property, | |
48 | sd_bus_message *reply, | |
ebcf1f97 LP |
49 | void *userdata, |
50 | sd_bus_error *error) { | |
3f49d45a | 51 | |
cc377381 | 52 | Session *s = userdata; |
3f49d45a | 53 | |
cc377381 LP |
54 | assert(bus); |
55 | assert(reply); | |
56 | assert(s); | |
3f49d45a | 57 | |
cc377381 | 58 | return sd_bus_message_append(reply, "s", s->user->name); |
3f49d45a LP |
59 | } |
60 | ||
cc377381 LP |
61 | static int property_get_seat( |
62 | sd_bus *bus, | |
63 | const char *path, | |
64 | const char *interface, | |
65 | const char *property, | |
66 | sd_bus_message *reply, | |
ebcf1f97 LP |
67 | void *userdata, |
68 | sd_bus_error *error) { | |
3f49d45a | 69 | |
cc377381 LP |
70 | _cleanup_free_ char *p = NULL; |
71 | Session *s = userdata; | |
3f49d45a | 72 | |
cc377381 LP |
73 | assert(bus); |
74 | assert(reply); | |
75 | assert(s); | |
3f49d45a | 76 | |
cc377381 | 77 | p = s->seat ? seat_bus_path(s->seat) : strdup("/"); |
3f49d45a LP |
78 | if (!p) |
79 | return -ENOMEM; | |
80 | ||
cc377381 LP |
81 | return sd_bus_message_append(reply, "(so)", s->seat ? s->seat->id : "", p); |
82 | } | |
3f49d45a | 83 | |
cc377381 LP |
84 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, session_type, SessionType); |
85 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, session_class, SessionClass); | |
01adcd69 YW |
86 | static BUS_DEFINE_PROPERTY_GET(property_get_active, "b", Session, session_is_active); |
87 | static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", Session, session_get_state, session_state_to_string); | |
cc377381 LP |
88 | |
89 | static int property_get_idle_hint( | |
90 | sd_bus *bus, | |
91 | const char *path, | |
92 | const char *interface, | |
93 | const char *property, | |
94 | sd_bus_message *reply, | |
ebcf1f97 LP |
95 | void *userdata, |
96 | sd_bus_error *error) { | |
a185c5aa | 97 | |
cc377381 LP |
98 | Session *s = userdata; |
99 | ||
100 | assert(bus); | |
101 | assert(reply); | |
102 | assert(s); | |
103 | ||
104 | return sd_bus_message_append(reply, "b", session_get_idle_hint(s, NULL) > 0); | |
a185c5aa LP |
105 | } |
106 | ||
cc377381 LP |
107 | static int property_get_idle_since_hint( |
108 | sd_bus *bus, | |
109 | const char *path, | |
110 | const char *interface, | |
111 | const char *property, | |
112 | sd_bus_message *reply, | |
ebcf1f97 LP |
113 | void *userdata, |
114 | sd_bus_error *error) { | |
cc377381 LP |
115 | |
116 | Session *s = userdata; | |
5cb14b37 | 117 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
a185c5aa | 118 | uint64_t u; |
ca4f2b6d | 119 | int r; |
a185c5aa | 120 | |
cc377381 LP |
121 | assert(bus); |
122 | assert(reply); | |
a185c5aa LP |
123 | assert(s); |
124 | ||
ca4f2b6d VP |
125 | r = session_get_idle_hint(s, &t); |
126 | if (r < 0) | |
127 | return r; | |
128 | ||
a185c5aa LP |
129 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; |
130 | ||
cc377381 | 131 | return sd_bus_message_append(reply, "t", u); |
a185c5aa LP |
132 | } |
133 | ||
42d35e13 VT |
134 | static int property_get_locked_hint( |
135 | sd_bus *bus, | |
136 | const char *path, | |
137 | const char *interface, | |
138 | const char *property, | |
139 | sd_bus_message *reply, | |
140 | void *userdata, | |
141 | sd_bus_error *error) { | |
142 | ||
143 | Session *s = userdata; | |
144 | ||
145 | assert(bus); | |
146 | assert(reply); | |
147 | assert(s); | |
148 | ||
149 | return sd_bus_message_append(reply, "b", session_get_locked_hint(s) > 0); | |
150 | } | |
151 | ||
19070062 | 152 | int bus_session_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
153 | Session *s = userdata; |
154 | int r; | |
0604381b | 155 | |
cc377381 | 156 | assert(message); |
0604381b LP |
157 | assert(s); |
158 | ||
c529695e LP |
159 | r = bus_verify_polkit_async( |
160 | message, | |
161 | CAP_KILL, | |
162 | "org.freedesktop.login1.manage", | |
403ed0e5 | 163 | NULL, |
c529695e LP |
164 | false, |
165 | s->user->uid, | |
166 | &s->manager->polkit_registry, | |
167 | error); | |
168 | if (r < 0) | |
169 | return r; | |
170 | if (r == 0) | |
171 | return 1; /* Will call us back */ | |
172 | ||
9bb69af4 | 173 | r = session_stop(s, true); |
cc377381 | 174 | if (r < 0) |
ebcf1f97 | 175 | return r; |
0604381b | 176 | |
df2d202e | 177 | return sd_bus_reply_method_return(message, NULL); |
0604381b LP |
178 | } |
179 | ||
19070062 | 180 | int bus_session_method_activate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
181 | Session *s = userdata; |
182 | int r; | |
3f49d45a | 183 | |
cc377381 LP |
184 | assert(message); |
185 | assert(s); | |
3f49d45a | 186 | |
cc377381 LP |
187 | r = session_activate(s); |
188 | if (r < 0) | |
ebcf1f97 | 189 | return r; |
3f49d45a | 190 | |
df2d202e | 191 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
192 | } |
193 | ||
19070062 | 194 | int bus_session_method_lock(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
195 | Session *s = userdata; |
196 | int r; | |
197 | ||
cc377381 LP |
198 | assert(message); |
199 | assert(s); | |
3f49d45a | 200 | |
c529695e LP |
201 | r = bus_verify_polkit_async( |
202 | message, | |
203 | CAP_SYS_ADMIN, | |
204 | "org.freedesktop.login1.lock-sessions", | |
403ed0e5 | 205 | NULL, |
c529695e LP |
206 | false, |
207 | s->user->uid, | |
208 | &s->manager->polkit_registry, | |
209 | error); | |
210 | if (r < 0) | |
211 | return r; | |
212 | if (r == 0) | |
213 | return 1; /* Will call us back */ | |
214 | ||
215 | r = session_send_lock(s, strstr(sd_bus_message_get_member(message), "Lock")); | |
cc377381 | 216 | if (r < 0) |
ebcf1f97 | 217 | return r; |
3f49d45a | 218 | |
df2d202e | 219 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
220 | } |
221 | ||
19070062 | 222 | static int method_set_idle_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 223 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
224 | Session *s = userdata; |
225 | uid_t uid; | |
226 | int r, b; | |
d200735e | 227 | |
cc377381 LP |
228 | assert(message); |
229 | assert(s); | |
230 | ||
231 | r = sd_bus_message_read(message, "b", &b); | |
232 | if (r < 0) | |
ebcf1f97 | 233 | return r; |
d200735e | 234 | |
05bae4a6 | 235 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
236 | if (r < 0) |
237 | return r; | |
238 | ||
05bae4a6 | 239 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 240 | if (r < 0) |
ebcf1f97 | 241 | return r; |
cc377381 LP |
242 | |
243 | if (uid != 0 && uid != s->user->uid) | |
2b233285 | 244 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set idle hint"); |
cc377381 LP |
245 | |
246 | session_set_idle_hint(s, b); | |
3f49d45a | 247 | |
df2d202e | 248 | return sd_bus_reply_method_return(message, NULL); |
cc377381 LP |
249 | } |
250 | ||
42d35e13 VT |
251 | static int method_set_locked_hint(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
252 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
253 | Session *s = userdata; | |
254 | uid_t uid; | |
255 | int r, b; | |
256 | ||
257 | assert(message); | |
258 | assert(s); | |
259 | ||
260 | r = sd_bus_message_read(message, "b", &b); | |
261 | if (r < 0) | |
262 | return r; | |
263 | ||
264 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); | |
265 | if (r < 0) | |
266 | return r; | |
267 | ||
268 | r = sd_bus_creds_get_euid(creds, &uid); | |
269 | if (r < 0) | |
270 | return r; | |
271 | ||
272 | if (uid != 0 && uid != s->user->uid) | |
273 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may set locked hint"); | |
274 | ||
275 | session_set_locked_hint(s, b); | |
276 | ||
277 | return sd_bus_reply_method_return(message, NULL); | |
278 | } | |
279 | ||
19070062 | 280 | int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
281 | Session *s = userdata; |
282 | const char *swho; | |
283 | int32_t signo; | |
284 | KillWho who; | |
bef422ae LP |
285 | int r; |
286 | ||
3f49d45a | 287 | assert(message); |
cc377381 | 288 | assert(s); |
3f49d45a | 289 | |
cc377381 LP |
290 | r = sd_bus_message_read(message, "si", &swho, &signo); |
291 | if (r < 0) | |
ebcf1f97 | 292 | return r; |
cc377381 LP |
293 | |
294 | if (isempty(swho)) | |
295 | who = KILL_ALL; | |
296 | else { | |
297 | who = kill_who_from_string(swho); | |
298 | if (who < 0) | |
ebcf1f97 | 299 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
cc377381 | 300 | } |
bef422ae | 301 | |
6eb7c172 | 302 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 303 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
bef422ae | 304 | |
c529695e LP |
305 | r = bus_verify_polkit_async( |
306 | message, | |
307 | CAP_KILL, | |
308 | "org.freedesktop.login1.manage", | |
403ed0e5 | 309 | NULL, |
c529695e LP |
310 | false, |
311 | s->user->uid, | |
312 | &s->manager->polkit_registry, | |
313 | error); | |
314 | if (r < 0) | |
315 | return r; | |
316 | if (r == 0) | |
317 | return 1; /* Will call us back */ | |
318 | ||
cc377381 LP |
319 | r = session_kill(s, who, signo); |
320 | if (r < 0) | |
ebcf1f97 | 321 | return r; |
bef422ae | 322 | |
df2d202e | 323 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 324 | } |
bef422ae | 325 | |
19070062 | 326 | static int method_take_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 327 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
cc377381 LP |
328 | Session *s = userdata; |
329 | int r, force; | |
330 | uid_t uid; | |
bef422ae | 331 | |
cc377381 LP |
332 | assert(message); |
333 | assert(s); | |
bef422ae | 334 | |
cc377381 LP |
335 | r = sd_bus_message_read(message, "b", &force); |
336 | if (r < 0) | |
ebcf1f97 | 337 | return r; |
bef422ae | 338 | |
05bae4a6 | 339 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
5b12334d LP |
340 | if (r < 0) |
341 | return r; | |
342 | ||
05bae4a6 | 343 | r = sd_bus_creds_get_euid(creds, &uid); |
cc377381 | 344 | if (r < 0) |
ebcf1f97 | 345 | return r; |
bef422ae | 346 | |
cc377381 | 347 | if (uid != 0 && (force || uid != s->user->uid)) |
ebcf1f97 | 348 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Only owner of session may take control"); |
bef422ae | 349 | |
dc6284e9 | 350 | r = session_set_controller(s, sd_bus_message_get_sender(message), force, true); |
cc377381 | 351 | if (r < 0) |
ebcf1f97 | 352 | return r; |
bef422ae | 353 | |
df2d202e | 354 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 355 | } |
bef422ae | 356 | |
19070062 | 357 | static int method_release_control(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 | 358 | Session *s = userdata; |
bef422ae | 359 | |
cc377381 LP |
360 | assert(message); |
361 | assert(s); | |
5bc849fd | 362 | |
cc377381 | 363 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 364 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
5bc849fd | 365 | |
cc377381 | 366 | session_drop_controller(s); |
bef422ae | 367 | |
df2d202e | 368 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 369 | } |
bef422ae | 370 | |
19070062 | 371 | static int method_take_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
372 | Session *s = userdata; |
373 | uint32_t major, minor; | |
374 | SessionDevice *sd; | |
375 | dev_t dev; | |
376 | int r; | |
de07ab16 | 377 | |
cc377381 LP |
378 | assert(message); |
379 | assert(s); | |
de07ab16 | 380 | |
cc377381 LP |
381 | r = sd_bus_message_read(message, "uu", &major, &minor); |
382 | if (r < 0) | |
ebcf1f97 | 383 | return r; |
cc377381 | 384 | |
fa583ab1 LP |
385 | if (!DEVICE_MAJOR_VALID(major) || !DEVICE_MINOR_VALID(minor)) |
386 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Device major/minor is not valid."); | |
387 | ||
cc377381 | 388 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 389 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
cc377381 LP |
390 | |
391 | dev = makedev(major, minor); | |
392 | sd = hashmap_get(s->devices, &dev); | |
393 | if (sd) | |
394 | /* We don't allow retrieving a device multiple times. | |
395 | * The related ReleaseDevice call is not ref-counted. | |
396 | * The caller should use dup() if it requires more | |
397 | * than one fd (it would be functionally | |
398 | * equivalent). */ | |
ebcf1f97 | 399 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_IS_TAKEN, "Device already taken"); |
cc377381 | 400 | |
aed24c4c | 401 | r = session_device_new(s, dev, true, &sd); |
cc377381 | 402 | if (r < 0) |
ebcf1f97 | 403 | return r; |
de07ab16 | 404 | |
aed24c4c FB |
405 | r = session_device_save(sd); |
406 | if (r < 0) | |
407 | goto error; | |
408 | ||
df2d202e | 409 | r = sd_bus_reply_method_return(message, "hb", sd->fd, !sd->active); |
cc377381 | 410 | if (r < 0) |
aed24c4c FB |
411 | goto error; |
412 | ||
413 | session_save(s); | |
2e681921 | 414 | return 1; |
118ecf32 | 415 | |
aed24c4c FB |
416 | error: |
417 | session_device_free(sd); | |
cc377381 LP |
418 | return r; |
419 | } | |
118ecf32 | 420 | |
19070062 | 421 | static int method_release_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
422 | Session *s = userdata; |
423 | uint32_t major, minor; | |
424 | SessionDevice *sd; | |
425 | dev_t dev; | |
426 | int r; | |
118ecf32 | 427 | |
cc377381 LP |
428 | assert(message); |
429 | assert(s); | |
118ecf32 | 430 | |
cc377381 LP |
431 | r = sd_bus_message_read(message, "uu", &major, &minor); |
432 | if (r < 0) | |
ebcf1f97 | 433 | return r; |
118ecf32 | 434 | |
fa583ab1 LP |
435 | if (!DEVICE_MAJOR_VALID(major) || !DEVICE_MINOR_VALID(minor)) |
436 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Device major/minor is not valid."); | |
437 | ||
cc377381 | 438 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 439 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
118ecf32 | 440 | |
cc377381 LP |
441 | dev = makedev(major, minor); |
442 | sd = hashmap_get(s->devices, &dev); | |
443 | if (!sd) | |
ebcf1f97 | 444 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
118ecf32 | 445 | |
cc377381 | 446 | session_device_free(sd); |
aed24c4c FB |
447 | session_save(s); |
448 | ||
df2d202e | 449 | return sd_bus_reply_method_return(message, NULL); |
cc377381 | 450 | } |
118ecf32 | 451 | |
19070062 | 452 | static int method_pause_device_complete(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cc377381 LP |
453 | Session *s = userdata; |
454 | uint32_t major, minor; | |
455 | SessionDevice *sd; | |
456 | dev_t dev; | |
457 | int r; | |
118ecf32 | 458 | |
cc377381 LP |
459 | assert(message); |
460 | assert(s); | |
bef422ae | 461 | |
cc377381 LP |
462 | r = sd_bus_message_read(message, "uu", &major, &minor); |
463 | if (r < 0) | |
ebcf1f97 | 464 | return r; |
cc377381 | 465 | |
fa583ab1 LP |
466 | if (!DEVICE_MAJOR_VALID(major) || !DEVICE_MINOR_VALID(minor)) |
467 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Device major/minor is not valid."); | |
468 | ||
cc377381 | 469 | if (!session_is_controller(s, sd_bus_message_get_sender(message))) |
ebcf1f97 | 470 | return sd_bus_error_setf(error, BUS_ERROR_NOT_IN_CONTROL, "You are not in control of this session"); |
bef422ae | 471 | |
cc377381 LP |
472 | dev = makedev(major, minor); |
473 | sd = hashmap_get(s->devices, &dev); | |
474 | if (!sd) | |
ebcf1f97 | 475 | return sd_bus_error_setf(error, BUS_ERROR_DEVICE_NOT_TAKEN, "Device not taken"); |
bef422ae | 476 | |
cc377381 | 477 | session_device_complete_pause(sd); |
bef422ae | 478 | |
df2d202e | 479 | return sd_bus_reply_method_return(message, NULL); |
3f49d45a LP |
480 | } |
481 | ||
cc377381 LP |
482 | const sd_bus_vtable session_vtable[] = { |
483 | SD_BUS_VTABLE_START(0), | |
484 | ||
556089dc LP |
485 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Session, id), SD_BUS_VTABLE_PROPERTY_CONST), |
486 | SD_BUS_PROPERTY("User", "(uo)", property_get_user, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
487 | SD_BUS_PROPERTY("Name", "s", property_get_name, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
488 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Session, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), | |
489 | SD_BUS_PROPERTY("VTNr", "u", NULL, offsetof(Session, vtnr), SD_BUS_VTABLE_PROPERTY_CONST), | |
490 | SD_BUS_PROPERTY("Seat", "(so)", property_get_seat, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
491 | SD_BUS_PROPERTY("TTY", "s", NULL, offsetof(Session, tty), SD_BUS_VTABLE_PROPERTY_CONST), | |
492 | SD_BUS_PROPERTY("Display", "s", NULL, offsetof(Session, display), SD_BUS_VTABLE_PROPERTY_CONST), | |
493 | SD_BUS_PROPERTY("Remote", "b", bus_property_get_bool, offsetof(Session, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
494 | SD_BUS_PROPERTY("RemoteHost", "s", NULL, offsetof(Session, remote_host), SD_BUS_VTABLE_PROPERTY_CONST), | |
495 | SD_BUS_PROPERTY("RemoteUser", "s", NULL, offsetof(Session, remote_user), SD_BUS_VTABLE_PROPERTY_CONST), | |
496 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Session, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
a4cd87e9 | 497 | SD_BUS_PROPERTY("Desktop", "s", NULL, offsetof(Session, desktop), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
498 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Session, scope), SD_BUS_VTABLE_PROPERTY_CONST), |
499 | SD_BUS_PROPERTY("Leader", "u", bus_property_get_pid, offsetof(Session, leader), SD_BUS_VTABLE_PROPERTY_CONST), | |
500 | SD_BUS_PROPERTY("Audit", "u", NULL, offsetof(Session, audit_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
501 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Session, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
502 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Session, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
cc377381 LP |
503 | SD_BUS_PROPERTY("Active", "b", property_get_active, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
504 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), | |
505 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
506 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
507 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
42d35e13 | 508 | SD_BUS_PROPERTY("LockedHint", "b", property_get_locked_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
cc377381 | 509 | |
c529695e LP |
510 | SD_BUS_METHOD("Terminate", NULL, NULL, bus_session_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), |
511 | SD_BUS_METHOD("Activate", NULL, NULL, bus_session_method_activate, SD_BUS_VTABLE_UNPRIVILEGED), | |
512 | SD_BUS_METHOD("Lock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
513 | SD_BUS_METHOD("Unlock", NULL, NULL, bus_session_method_lock, SD_BUS_VTABLE_UNPRIVILEGED), | |
adacb957 | 514 | SD_BUS_METHOD("SetIdleHint", "b", NULL, method_set_idle_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
42d35e13 | 515 | SD_BUS_METHOD("SetLockedHint", "b", NULL, method_set_locked_hint, SD_BUS_VTABLE_UNPRIVILEGED), |
c529695e | 516 | SD_BUS_METHOD("Kill", "si", NULL, bus_session_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
517 | SD_BUS_METHOD("TakeControl", "b", NULL, method_take_control, SD_BUS_VTABLE_UNPRIVILEGED), |
518 | SD_BUS_METHOD("ReleaseControl", NULL, NULL, method_release_control, SD_BUS_VTABLE_UNPRIVILEGED), | |
519 | SD_BUS_METHOD("TakeDevice", "uu", "hb", method_take_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
520 | SD_BUS_METHOD("ReleaseDevice", "uu", NULL, method_release_device, SD_BUS_VTABLE_UNPRIVILEGED), | |
521 | SD_BUS_METHOD("PauseDeviceComplete", "uu", NULL, method_pause_device_complete, SD_BUS_VTABLE_UNPRIVILEGED), | |
cc377381 LP |
522 | |
523 | SD_BUS_SIGNAL("PauseDevice", "uus", 0), | |
524 | SD_BUS_SIGNAL("ResumeDevice", "uuh", 0), | |
525 | SD_BUS_SIGNAL("Lock", NULL, 0), | |
526 | SD_BUS_SIGNAL("Unlock", NULL, 0), | |
527 | ||
528 | SD_BUS_VTABLE_END | |
529 | }; | |
3f49d45a | 530 | |
f00c3121 | 531 | int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3f49d45a | 532 | Manager *m = userdata; |
cc377381 | 533 | Session *session; |
927b1649 | 534 | int r; |
3f49d45a | 535 | |
cc377381 LP |
536 | assert(bus); |
537 | assert(path); | |
538 | assert(interface); | |
539 | assert(found); | |
540 | assert(m); | |
3f49d45a | 541 | |
927b1649 LP |
542 | if (streq(path, "/org/freedesktop/login1/session/self")) { |
543 | sd_bus_message *message; | |
3f49d45a | 544 | |
19befb2d | 545 | message = sd_bus_get_current_message(bus); |
927b1649 LP |
546 | if (!message) |
547 | return 0; | |
548 | ||
e4d2984b | 549 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
927b1649 | 550 | if (r < 0) |
5b12334d | 551 | return r; |
927b1649 LP |
552 | } else { |
553 | _cleanup_free_ char *e = NULL; | |
554 | const char *p; | |
3f49d45a | 555 | |
927b1649 LP |
556 | p = startswith(path, "/org/freedesktop/login1/session/"); |
557 | if (!p) | |
558 | return 0; | |
559 | ||
a6278b88 | 560 | e = bus_label_unescape(p); |
927b1649 LP |
561 | if (!e) |
562 | return -ENOMEM; | |
563 | ||
564 | session = hashmap_get(m->sessions, e); | |
e4d2984b AJ |
565 | if (!session) |
566 | return 0; | |
927b1649 | 567 | } |
3f49d45a | 568 | |
cc377381 LP |
569 | *found = session; |
570 | return 1; | |
3f49d45a LP |
571 | } |
572 | ||
3f49d45a | 573 | char *session_bus_path(Session *s) { |
9444b1f2 | 574 | _cleanup_free_ char *t = NULL; |
3f49d45a LP |
575 | |
576 | assert(s); | |
577 | ||
a6278b88 | 578 | t = bus_label_escape(s->id); |
3f49d45a LP |
579 | if (!t) |
580 | return NULL; | |
581 | ||
4654e558 | 582 | return strappend("/org/freedesktop/login1/session/", t); |
3f49d45a | 583 | } |
da119395 | 584 | |
f00c3121 | 585 | int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
cc377381 | 586 | _cleanup_strv_free_ char **l = NULL; |
ca56b0a6 | 587 | sd_bus_message *message; |
cc377381 LP |
588 | Manager *m = userdata; |
589 | Session *session; | |
590 | Iterator i; | |
591 | int r; | |
592 | ||
593 | assert(bus); | |
594 | assert(path); | |
595 | assert(nodes); | |
596 | ||
597 | HASHMAP_FOREACH(session, m->sessions, i) { | |
598 | char *p; | |
599 | ||
600 | p = session_bus_path(session); | |
601 | if (!p) | |
602 | return -ENOMEM; | |
603 | ||
6e18964d ZJS |
604 | r = strv_consume(&l, p); |
605 | if (r < 0) | |
cc377381 | 606 | return r; |
cc377381 LP |
607 | } |
608 | ||
ca56b0a6 DH |
609 | message = sd_bus_get_current_message(bus); |
610 | if (message) { | |
4afd3348 | 611 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
ca56b0a6 DH |
612 | const char *name; |
613 | ||
614 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); | |
615 | if (r >= 0) { | |
616 | r = sd_bus_creds_get_session(creds, &name); | |
617 | if (r >= 0) { | |
618 | session = hashmap_get(m->sessions, name); | |
619 | if (session) { | |
620 | r = strv_extend(&l, "/org/freedesktop/login1/session/self"); | |
621 | if (r < 0) | |
622 | return r; | |
623 | } | |
624 | } | |
625 | } | |
626 | } | |
b298e984 | 627 | |
1cc6c93a | 628 | *nodes = TAKE_PTR(l); |
cc377381 LP |
629 | |
630 | return 1; | |
631 | } | |
632 | ||
da119395 | 633 | int session_send_signal(Session *s, bool new_session) { |
ce0fc5f5 | 634 | _cleanup_free_ char *p = NULL; |
da119395 LP |
635 | |
636 | assert(s); | |
637 | ||
da119395 LP |
638 | p = session_bus_path(s); |
639 | if (!p) | |
4654e558 | 640 | return -ENOMEM; |
da119395 | 641 | |
cc377381 LP |
642 | return sd_bus_emit_signal( |
643 | s->manager->bus, | |
644 | "/org/freedesktop/login1", | |
645 | "org.freedesktop.login1.Manager", | |
646 | new_session ? "SessionNew" : "SessionRemoved", | |
647 | "so", s->id, p); | |
da119395 | 648 | } |
9418f147 | 649 | |
cc377381 | 650 | int session_send_changed(Session *s, const char *properties, ...) { |
ce0fc5f5 | 651 | _cleanup_free_ char *p = NULL; |
cc377381 | 652 | char **l; |
9418f147 LP |
653 | |
654 | assert(s); | |
655 | ||
ed18b08b LP |
656 | if (!s->started) |
657 | return 0; | |
658 | ||
9418f147 LP |
659 | p = session_bus_path(s); |
660 | if (!p) | |
661 | return -ENOMEM; | |
662 | ||
cc377381 | 663 | l = strv_from_stdarg_alloca(properties); |
9418f147 | 664 | |
cc377381 | 665 | return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Session", l); |
9418f147 | 666 | } |
88e3dc90 LP |
667 | |
668 | int session_send_lock(Session *s, bool lock) { | |
ce0fc5f5 | 669 | _cleanup_free_ char *p = NULL; |
88e3dc90 LP |
670 | |
671 | assert(s); | |
672 | ||
673 | p = session_bus_path(s); | |
674 | if (!p) | |
675 | return -ENOMEM; | |
676 | ||
cc377381 LP |
677 | return sd_bus_emit_signal( |
678 | s->manager->bus, | |
679 | p, | |
680 | "org.freedesktop.login1.Session", | |
681 | lock ? "Lock" : "Unlock", | |
682 | NULL); | |
88e3dc90 | 683 | } |
7ba64386 LP |
684 | |
685 | int session_send_lock_all(Manager *m, bool lock) { | |
686 | Session *session; | |
687 | Iterator i; | |
688 | int r = 0; | |
689 | ||
690 | assert(m); | |
691 | ||
692 | HASHMAP_FOREACH(session, m->sessions, i) { | |
693 | int k; | |
694 | ||
695 | k = session_send_lock(session, lock); | |
696 | if (k < 0) | |
697 | r = k; | |
698 | } | |
699 | ||
700 | return r; | |
701 | } | |
fb6becb4 | 702 | |
b1951bc8 LP |
703 | static bool session_ready(Session *s) { |
704 | assert(s); | |
705 | ||
706 | /* Returns true when the session is ready, i.e. all jobs we enqueued for it are done (regardless if successful or not) */ | |
707 | ||
708 | return !s->scope_job && | |
709 | !s->user->service_job; | |
710 | } | |
711 | ||
cc377381 | 712 | int session_send_create_reply(Session *s, sd_bus_error *error) { |
4afd3348 | 713 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL; |
cc377381 LP |
714 | _cleanup_close_ int fifo_fd = -1; |
715 | _cleanup_free_ char *p = NULL; | |
fb6becb4 LP |
716 | |
717 | assert(s); | |
718 | ||
b1951bc8 | 719 | /* This is called after the session scope and the user service were successfully created, and finishes where |
dd9b67aa | 720 | * bus_manager_create_session() left off. */ |
cba38758 | 721 | |
cc377381 LP |
722 | if (!s->create_message) |
723 | return 0; | |
fb6becb4 | 724 | |
b1951bc8 | 725 | if (!sd_bus_error_is_set(error) && !session_ready(s)) |
dd9b67aa LP |
726 | return 0; |
727 | ||
1b88ed3b | 728 | c = TAKE_PTR(s->create_message); |
cc377381 | 729 | if (error) |
df2d202e | 730 | return sd_bus_reply_method_error(c, error); |
fb6becb4 | 731 | |
cc377381 LP |
732 | fifo_fd = session_create_fifo(s); |
733 | if (fifo_fd < 0) | |
734 | return fifo_fd; | |
fb6becb4 | 735 | |
b1951bc8 | 736 | /* Update the session state file before we notify the client about the result. */ |
38fdcbed TA |
737 | session_save(s); |
738 | ||
cc377381 LP |
739 | p = session_bus_path(s); |
740 | if (!p) | |
741 | return -ENOMEM; | |
fb6becb4 | 742 | |
5a330cda | 743 | log_debug("Sending reply about created session: " |
236af516 DH |
744 | "id=%s object_path=%s uid=%u runtime_path=%s " |
745 | "session_fd=%d seat=%s vtnr=%u", | |
5a330cda ZJS |
746 | s->id, |
747 | p, | |
236af516 | 748 | (uint32_t) s->user->uid, |
5a330cda ZJS |
749 | s->user->runtime_path, |
750 | fifo_fd, | |
751 | s->seat ? s->seat->id : "", | |
752 | (uint32_t) s->vtnr); | |
753 | ||
cc377381 | 754 | return sd_bus_reply_method_return( |
baae0358 | 755 | c, "soshusub", |
cc377381 LP |
756 | s->id, |
757 | p, | |
758 | s->user->runtime_path, | |
759 | fifo_fd, | |
baae0358 | 760 | (uint32_t) s->user->uid, |
cc377381 LP |
761 | s->seat ? s->seat->id : "", |
762 | (uint32_t) s->vtnr, | |
763 | false); | |
fb6becb4 | 764 | } |