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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 | ||
a185c5aa LP |
22 | #include <errno.h> |
23 | #include <string.h> | |
98a28fef | 24 | #include <unistd.h> |
7f7bb946 | 25 | #include <pwd.h> |
a185c5aa | 26 | |
cc377381 LP |
27 | #include "sd-id128.h" |
28 | #include "sd-messages.h" | |
98a28fef | 29 | #include "strv.h" |
49e942b2 | 30 | #include "mkdir.h" |
9eb977db | 31 | #include "path-util.h" |
55af3897 | 32 | #include "special.h" |
19adb8a3 | 33 | #include "sleep-config.h" |
a5c32cff HH |
34 | #include "fileio-label.h" |
35 | #include "label.h" | |
9444b1f2 LP |
36 | #include "utf8.h" |
37 | #include "unit-name.h" | |
fb6becb4 | 38 | #include "virt.h" |
cc377381 LP |
39 | #include "audit.h" |
40 | #include "bus-util.h" | |
41 | #include "bus-error.h" | |
42 | #include "logind.h" | |
3f49d45a | 43 | |
cc377381 LP |
44 | static int property_get_idle_hint( |
45 | sd_bus *bus, | |
46 | const char *path, | |
47 | const char *interface, | |
48 | const char *property, | |
49 | sd_bus_message *reply, | |
50 | sd_bus_error *error, | |
51 | void *userdata) { | |
a185c5aa | 52 | |
cc377381 | 53 | Manager *m = userdata; |
a185c5aa | 54 | |
cc377381 LP |
55 | assert(bus); |
56 | assert(reply); | |
57 | assert(m); | |
58 | ||
59 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
a185c5aa LP |
60 | } |
61 | ||
cc377381 LP |
62 | static int property_get_idle_since_hint( |
63 | sd_bus *bus, | |
64 | const char *path, | |
65 | const char *interface, | |
66 | const char *property, | |
67 | sd_bus_message *reply, | |
68 | sd_bus_error *error, | |
69 | void *userdata) { | |
70 | ||
71 | Manager *m = userdata; | |
a185c5aa | 72 | dual_timestamp t; |
a185c5aa | 73 | |
cc377381 LP |
74 | assert(bus); |
75 | assert(reply); | |
a185c5aa LP |
76 | assert(m); |
77 | ||
78 | manager_get_idle_hint(m, &t); | |
a185c5aa | 79 | |
cc377381 | 80 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
a185c5aa LP |
81 | } |
82 | ||
cc377381 LP |
83 | static int property_get_inhibited( |
84 | sd_bus *bus, | |
85 | const char *path, | |
86 | const char *interface, | |
87 | const char *property, | |
88 | sd_bus_message *reply, | |
89 | sd_bus_error *error, | |
90 | void *userdata) { | |
91 | ||
92 | Manager *m = userdata; | |
f8e2fb7b | 93 | InhibitWhat w; |
f8e2fb7b | 94 | |
cc377381 LP |
95 | assert(bus); |
96 | assert(reply); | |
97 | assert(m); | |
f8e2fb7b | 98 | |
cc377381 | 99 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b | 100 | |
cc377381 | 101 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
f8e2fb7b LP |
102 | } |
103 | ||
cc377381 LP |
104 | static int property_get_preparing( |
105 | sd_bus *bus, | |
106 | const char *path, | |
107 | const char *interface, | |
108 | const char *property, | |
109 | sd_bus_message *reply, | |
110 | sd_bus_error *error, | |
111 | void *userdata) { | |
112 | ||
113 | Manager *m = userdata; | |
114 | bool b; | |
5e4a79da | 115 | |
cc377381 LP |
116 | assert(bus); |
117 | assert(reply); | |
118 | assert(m); | |
5e4a79da LP |
119 | |
120 | if (streq(property, "PreparingForShutdown")) | |
314b4b0a | 121 | b = !!(m->action_what & INHIBIT_SHUTDOWN); |
5e4a79da | 122 | else |
314b4b0a | 123 | b = !!(m->action_what & INHIBIT_SLEEP); |
5e4a79da | 124 | |
cc377381 | 125 | return sd_bus_message_append(reply, "b", b); |
5e4a79da LP |
126 | } |
127 | ||
cc377381 | 128 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
fb6becb4 | 129 | |
cc377381 LP |
130 | static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata) { |
131 | _cleanup_free_ char *p = NULL; | |
132 | Manager *m = userdata; | |
133 | const char *name; | |
134 | Session *session; | |
135 | int r; | |
136 | ||
137 | assert(bus); | |
138 | assert(message); | |
139 | assert(m); | |
140 | ||
141 | r = sd_bus_message_read(message, "s", &name); | |
142 | if (r < 0) | |
143 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
144 | ||
145 | session = hashmap_get(m->sessions, name); | |
146 | if (!session) | |
147 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
148 | ||
149 | p = session_bus_path(session); | |
150 | if (!p) | |
151 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
152 | ||
153 | return sd_bus_reply_method_return(bus, message, "o", p); | |
154 | } | |
155 | ||
156 | static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
157 | _cleanup_free_ char *p = NULL; | |
954449b8 | 158 | Session *session = NULL; |
cc377381 LP |
159 | Manager *m = userdata; |
160 | uint32_t pid; | |
161 | int r; | |
162 | ||
163 | assert(bus); | |
164 | assert(message); | |
165 | assert(m); | |
166 | ||
167 | r = sd_bus_message_read(message, "u", &pid); | |
168 | if (r < 0) | |
169 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
170 | ||
171 | r = manager_get_session_by_pid(m, pid, &session); | |
172 | if (r < 0) | |
173 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
174 | if (!session) | |
175 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SESSION_FOR_PID, "PID %lu does not belong to any known session", (unsigned long) pid); | |
176 | ||
177 | p = session_bus_path(session); | |
178 | if (!p) | |
179 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
180 | ||
181 | return sd_bus_reply_method_return(bus, message, "o", p); | |
182 | } | |
183 | ||
184 | static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
185 | _cleanup_free_ char *p = NULL; | |
186 | Manager *m = userdata; | |
187 | uint32_t uid; | |
188 | User *user; | |
189 | int r; | |
190 | ||
191 | assert(bus); | |
192 | assert(message); | |
193 | assert(m); | |
194 | ||
195 | r = sd_bus_message_read(message, "u", &uid); | |
196 | if (r < 0) | |
197 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
198 | ||
199 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
200 | if (!user) | |
201 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); | |
202 | ||
203 | p = user_bus_path(user); | |
204 | if (!p) | |
205 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
206 | ||
207 | return sd_bus_reply_method_return(bus, message, "o", p); | |
208 | } | |
209 | ||
210 | static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
211 | _cleanup_free_ char *p = NULL; | |
212 | Manager *m = userdata; | |
954449b8 | 213 | User *user = NULL; |
cc377381 | 214 | uint32_t pid; |
fb6becb4 | 215 | int r; |
98a28fef | 216 | |
cc377381 LP |
217 | assert(bus); |
218 | assert(message); | |
98a28fef | 219 | assert(m); |
cc377381 LP |
220 | |
221 | r = sd_bus_message_read(message, "u", &pid); | |
222 | if (r < 0) | |
223 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
224 | ||
225 | r = manager_get_user_by_pid(m, pid, &user); | |
226 | if (r < 0) | |
227 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
228 | if (!user) | |
229 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid); | |
230 | ||
231 | p = user_bus_path(user); | |
232 | if (!p) | |
233 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
234 | ||
235 | return sd_bus_reply_method_return(bus, message, "o", p); | |
236 | } | |
237 | ||
238 | static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
239 | _cleanup_free_ char *p = NULL; | |
240 | Manager *m = userdata; | |
241 | const char *name; | |
242 | Seat *seat; | |
243 | int r; | |
244 | ||
245 | assert(bus); | |
98a28fef | 246 | assert(message); |
cc377381 | 247 | assert(m); |
98a28fef | 248 | |
cc377381 LP |
249 | r = sd_bus_message_read(message, "s", &name); |
250 | if (r < 0) | |
251 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 252 | |
cc377381 LP |
253 | seat = hashmap_get(m->seats, name); |
254 | if (!seat) | |
255 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
98a28fef | 256 | |
cc377381 LP |
257 | p = seat_bus_path(seat); |
258 | if (!p) | |
259 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
98a28fef | 260 | |
cc377381 LP |
261 | return sd_bus_reply_method_return(bus, message, "o", p); |
262 | } | |
98a28fef | 263 | |
cc377381 LP |
264 | static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { |
265 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
266 | Manager *m = userdata; | |
267 | Session *session; | |
268 | Iterator i; | |
269 | int r; | |
270 | ||
271 | assert(bus); | |
272 | assert(message); | |
273 | assert(m); | |
98a28fef | 274 | |
cc377381 LP |
275 | r = sd_bus_message_new_method_return(bus, message, &reply); |
276 | if (r < 0) | |
277 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 278 | |
cc377381 LP |
279 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); |
280 | if (r < 0) | |
281 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
282 | ||
283 | HASHMAP_FOREACH(session, m->sessions, i) { | |
284 | _cleanup_free_ char *p = NULL; | |
285 | ||
286 | p = session_bus_path(session); | |
287 | if (!p) | |
288 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
289 | ||
290 | r = sd_bus_message_append(reply, "(susso)", | |
291 | session->id, | |
292 | (uint32_t) session->user->uid, | |
293 | session->user->name, | |
294 | session->seat ? session->seat->id : "", | |
295 | p); | |
296 | if (r < 0) | |
297 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
298 | } | |
299 | ||
300 | r = sd_bus_message_close_container(reply); | |
301 | if (r < 0) | |
302 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
303 | ||
304 | return sd_bus_send(bus, reply, NULL); | |
305 | } | |
306 | ||
307 | static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
308 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
309 | Manager *m = userdata; | |
310 | User *user; | |
311 | Iterator i; | |
312 | int r; | |
313 | ||
314 | assert(bus); | |
315 | assert(message); | |
316 | assert(m); | |
317 | ||
318 | r = sd_bus_message_new_method_return(bus, message, &reply); | |
319 | if (r < 0) | |
320 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
321 | ||
322 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
323 | if (r < 0) | |
324 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
325 | ||
326 | HASHMAP_FOREACH(user, m->users, i) { | |
327 | _cleanup_free_ char *p = NULL; | |
328 | ||
329 | p = user_bus_path(user); | |
330 | if (!p) | |
331 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
332 | ||
333 | r = sd_bus_message_append(reply, "(uso)", | |
334 | (uint32_t) user->uid, | |
335 | user->name, | |
336 | p); | |
337 | if (r < 0) | |
338 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
339 | } | |
340 | ||
341 | r = sd_bus_message_close_container(reply); | |
342 | if (r < 0) | |
343 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
344 | ||
345 | return sd_bus_send(bus, reply, NULL); | |
346 | } | |
347 | ||
348 | static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
349 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
350 | Manager *m = userdata; | |
351 | Seat *seat; | |
352 | Iterator i; | |
353 | int r; | |
354 | ||
355 | assert(bus); | |
356 | assert(message); | |
357 | assert(m); | |
358 | ||
359 | r = sd_bus_message_new_method_return(bus, message, &reply); | |
360 | if (r < 0) | |
361 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
362 | ||
363 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
364 | if (r < 0) | |
365 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
366 | ||
367 | HASHMAP_FOREACH(seat, m->seats, i) { | |
368 | _cleanup_free_ char *p = NULL; | |
369 | ||
370 | p = seat_bus_path(seat); | |
371 | if (!p) | |
372 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
373 | ||
b8358bce | 374 | r = sd_bus_message_append(reply, "(so)", seat->id, p); |
cc377381 LP |
375 | if (r < 0) |
376 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
377 | } | |
378 | ||
379 | r = sd_bus_message_close_container(reply); | |
380 | if (r < 0) | |
381 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
382 | ||
383 | return sd_bus_send(bus, reply, NULL); | |
384 | } | |
385 | ||
386 | static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
387 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
388 | Manager *m = userdata; | |
389 | Inhibitor *inhibitor; | |
390 | Iterator i; | |
391 | int r; | |
392 | ||
393 | r = sd_bus_message_new_method_return(bus, message, &reply); | |
394 | if (r < 0) | |
395 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
396 | ||
397 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
398 | if (r < 0) | |
399 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
400 | ||
401 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
402 | ||
dbfa3fbb | 403 | r = sd_bus_message_append(reply, "(ssssuu)", |
cc377381 LP |
404 | strempty(inhibit_what_to_string(inhibitor->what)), |
405 | strempty(inhibitor->who), | |
406 | strempty(inhibitor->why), | |
407 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
408 | (uint32_t) inhibitor->uid, | |
409 | (uint32_t) inhibitor->pid); | |
410 | if (r < 0) | |
411 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
412 | } | |
413 | ||
414 | r = sd_bus_message_close_container(reply); | |
415 | if (r < 0) | |
416 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
417 | ||
418 | return sd_bus_send(bus, reply, NULL); | |
419 | } | |
420 | ||
421 | static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
422 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host; | |
423 | uint32_t uid, leader, audit_id = 0; | |
424 | _cleanup_free_ char *id = NULL; | |
425 | Session *session = NULL; | |
426 | Manager *m = userdata; | |
427 | User *user = NULL; | |
428 | Seat *seat = NULL; | |
429 | int remote; | |
430 | uint32_t vtnr = 0; | |
431 | SessionType t; | |
432 | SessionClass c; | |
433 | int r; | |
434 | ||
435 | assert(bus); | |
436 | assert(message); | |
437 | assert(m); | |
438 | ||
439 | r = sd_bus_message_read(message, "uussssussbss", &uid, &leader, &service, &type, &class, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); | |
440 | if (r < 0) | |
441 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
442 | ||
443 | if (leader == 1) | |
444 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); | |
98a28fef | 445 | |
e2acb67b LP |
446 | if (isempty(type)) |
447 | t = _SESSION_TYPE_INVALID; | |
448 | else { | |
449 | t = session_type_from_string(type); | |
450 | if (t < 0) | |
cc377381 | 451 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); |
e2acb67b | 452 | } |
98a28fef | 453 | |
55efac6c | 454 | if (isempty(class)) |
e2acb67b LP |
455 | c = _SESSION_CLASS_INVALID; |
456 | else { | |
55efac6c | 457 | c = session_class_from_string(class); |
e2acb67b | 458 | if (c < 0) |
cc377381 | 459 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); |
e2acb67b | 460 | } |
55efac6c | 461 | |
954449b8 LP |
462 | if (isempty(cseat)) |
463 | seat = NULL; | |
98a28fef | 464 | else { |
954449b8 LP |
465 | seat = hashmap_get(m->seats, cseat); |
466 | if (!seat) | |
cc377381 | 467 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat); |
98a28fef LP |
468 | } |
469 | ||
98a28fef | 470 | if (tty_is_vc(tty)) { |
4d6d6518 | 471 | int v; |
98a28fef | 472 | |
954449b8 | 473 | if (!seat) |
92432fcc DH |
474 | seat = m->seat0; |
475 | else if (seat != m->seat0) | |
cc377381 | 476 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat); |
98a28fef | 477 | |
4d6d6518 | 478 | v = vtnr_from_tty(tty); |
4d6d6518 | 479 | if (v <= 0) |
cc377381 | 480 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); |
98a28fef LP |
481 | |
482 | if (vtnr <= 0) | |
4d6d6518 LP |
483 | vtnr = (uint32_t) v; |
484 | else if (vtnr != (uint32_t) v) | |
cc377381 LP |
485 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); |
486 | ||
d1122ad5 LP |
487 | } else if (tty_is_console(tty)) { |
488 | ||
954449b8 | 489 | if (!seat) |
92432fcc DH |
490 | seat = m->seat0; |
491 | else if (seat != m->seat0) | |
cc377381 | 492 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); |
d1122ad5 LP |
493 | |
494 | if (vtnr != 0) | |
cc377381 | 495 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); |
978cf3c7 | 496 | } |
98a28fef | 497 | |
954449b8 | 498 | if (seat) { |
bf7825ae | 499 | if (seat_has_vts(seat)) { |
d1122ad5 | 500 | if (vtnr > 63) |
cc377381 | 501 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); |
4d6d6518 | 502 | } else { |
d1122ad5 | 503 | if (vtnr != 0) |
cc377381 | 504 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); |
4d6d6518 LP |
505 | } |
506 | } | |
507 | ||
cc377381 LP |
508 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
509 | if (r < 0) | |
510 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 511 | |
e2acb67b LP |
512 | if (t == _SESSION_TYPE_INVALID) { |
513 | if (!isempty(display)) | |
514 | t = SESSION_X11; | |
515 | else if (!isempty(tty)) | |
516 | t = SESSION_TTY; | |
517 | else | |
518 | t = SESSION_UNSPECIFIED; | |
519 | } | |
520 | ||
521 | if (c == _SESSION_CLASS_INVALID) { | |
522 | if (!isempty(display) || !isempty(tty)) | |
523 | c = SESSION_USER; | |
524 | else | |
525 | c = SESSION_BACKGROUND; | |
526 | } | |
527 | ||
9444b1f2 | 528 | if (leader <= 0) { |
cc377381 LP |
529 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
530 | ||
531 | r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), (pid_t*) &leader); | |
532 | if (r < 0) | |
533 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
9444b1f2 LP |
534 | } |
535 | ||
872c8faa | 536 | manager_get_session_by_pid(m, leader, &session); |
fb6becb4 | 537 | if (session) { |
fb6becb4 LP |
538 | _cleanup_free_ char *path = NULL; |
539 | _cleanup_close_ int fifo_fd = -1; | |
98a28fef | 540 | |
fb6becb4 LP |
541 | /* Session already exists, client is probably |
542 | * something like "su" which changes uid but is still | |
543 | * the same session */ | |
98a28fef | 544 | |
954449b8 | 545 | fifo_fd = session_create_fifo(session); |
cc377381 LP |
546 | if (fifo_fd < 0) |
547 | return sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); | |
98a28fef | 548 | |
fb6becb4 | 549 | path = session_bus_path(session); |
cc377381 LP |
550 | if (!path) |
551 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
21c390cc | 552 | |
cc377381 LP |
553 | return sd_bus_reply_method_return( |
554 | bus, message, "soshsub", | |
555 | session->id, | |
556 | path, | |
557 | session->user->runtime_path, | |
558 | fifo_fd, | |
559 | session->seat ? session->seat->id : "", | |
560 | (uint32_t) session->vtnr, | |
561 | true); | |
954449b8 | 562 | } |
21c390cc | 563 | |
954449b8 LP |
564 | audit_session_from_pid(leader, &audit_id); |
565 | if (audit_id > 0) { | |
566 | /* Keep our session IDs and the audit session IDs in sync */ | |
21c390cc | 567 | |
cc377381 LP |
568 | if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) |
569 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
21c390cc | 570 | |
954449b8 LP |
571 | /* Wut? There's already a session by this name and we |
572 | * didn't find it above? Weird, then let's not trust | |
573 | * the audit data and let's better register a new | |
574 | * ID */ | |
575 | if (hashmap_get(m->sessions, id)) { | |
4b549144 | 576 | log_warning("Existing logind session ID %s used by new audit session, ignoring", id); |
954449b8 | 577 | audit_id = 0; |
8ea913b2 | 578 | |
954449b8 LP |
579 | free(id); |
580 | id = NULL; | |
07714753 | 581 | } |
954449b8 | 582 | } |
07714753 | 583 | |
954449b8 | 584 | if (!id) { |
07714753 LP |
585 | do { |
586 | free(id); | |
f8e2fb7b | 587 | id = NULL; |
07714753 | 588 | |
cc377381 LP |
589 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
590 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
07714753 LP |
591 | |
592 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
593 | } |
594 | ||
954449b8 | 595 | r = manager_add_user_by_uid(m, uid, &user); |
cc377381 LP |
596 | if (r < 0) { |
597 | r = sd_bus_reply_method_errno(bus, message, r, NULL); | |
954449b8 | 598 | goto fail; |
cc377381 | 599 | } |
954449b8 | 600 | |
9444b1f2 | 601 | r = manager_add_session(m, id, &session); |
cc377381 LP |
602 | if (r < 0) { |
603 | r = sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 604 | goto fail; |
cc377381 | 605 | } |
98a28fef | 606 | |
9444b1f2 LP |
607 | session_set_user(session, user); |
608 | ||
98a28fef LP |
609 | session->leader = leader; |
610 | session->audit_id = audit_id; | |
611 | session->type = t; | |
55efac6c | 612 | session->class = c; |
98a28fef | 613 | session->remote = remote; |
98a28fef LP |
614 | session->vtnr = vtnr; |
615 | ||
98a28fef LP |
616 | if (!isempty(tty)) { |
617 | session->tty = strdup(tty); | |
618 | if (!session->tty) { | |
cc377381 | 619 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
98a28fef LP |
620 | goto fail; |
621 | } | |
622 | } | |
623 | ||
624 | if (!isempty(display)) { | |
625 | session->display = strdup(display); | |
626 | if (!session->display) { | |
cc377381 | 627 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
98a28fef LP |
628 | goto fail; |
629 | } | |
630 | } | |
631 | ||
632 | if (!isempty(remote_user)) { | |
633 | session->remote_user = strdup(remote_user); | |
634 | if (!session->remote_user) { | |
cc377381 | 635 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
98a28fef LP |
636 | goto fail; |
637 | } | |
638 | } | |
639 | ||
640 | if (!isempty(remote_host)) { | |
641 | session->remote_host = strdup(remote_host); | |
642 | if (!session->remote_host) { | |
cc377381 | 643 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
98a28fef LP |
644 | goto fail; |
645 | } | |
646 | } | |
647 | ||
648 | if (!isempty(service)) { | |
649 | session->service = strdup(service); | |
650 | if (!session->service) { | |
cc377381 | 651 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
98a28fef LP |
652 | goto fail; |
653 | } | |
654 | } | |
655 | ||
954449b8 LP |
656 | if (seat) { |
657 | r = seat_attach_session(seat, session); | |
cc377381 LP |
658 | if (r < 0) { |
659 | r = sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 660 | goto fail; |
cc377381 | 661 | } |
98a28fef LP |
662 | } |
663 | ||
664 | r = session_start(session); | |
cc377381 LP |
665 | if (r < 0) { |
666 | r = sd_bus_reply_method_errno(bus, message, r, NULL); | |
98a28fef | 667 | goto fail; |
cc377381 | 668 | } |
98a28fef | 669 | |
cc377381 | 670 | session->create_message = sd_bus_message_ref(message); |
98a28fef | 671 | |
cba38758 LP |
672 | /* Now, let's wait until the slice unit and stuff got |
673 | * created. We send the reply back from | |
674 | * session_send_create_reply().*/ | |
675 | ||
cc377381 | 676 | return 1; |
98a28fef LP |
677 | |
678 | fail: | |
98a28fef LP |
679 | if (session) |
680 | session_add_to_gc_queue(session); | |
681 | ||
682 | if (user) | |
683 | user_add_to_gc_queue(user); | |
684 | ||
98a28fef LP |
685 | return r; |
686 | } | |
687 | ||
cc377381 LP |
688 | static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata) { |
689 | Manager *m = userdata; | |
690 | Session *session; | |
691 | const char *name; | |
692 | int r; | |
314b4b0a | 693 | |
cc377381 LP |
694 | assert(bus); |
695 | assert(message); | |
696 | assert(m); | |
697 | ||
698 | r = sd_bus_message_read(message, "s", &name); | |
699 | if (r < 0) | |
700 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
701 | ||
702 | session = hashmap_get(m->sessions, name); | |
703 | if (!session) | |
704 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
705 | ||
706 | /* We use the FIFO to detect stray sessions where the process | |
707 | invoking PAM dies abnormally. We need to make sure that | |
708 | that process is not killed if at the clean end of the | |
709 | session it closes the FIFO. Hence, with this call | |
710 | explicitly turn off the FIFO logic, so that the PAM code | |
711 | can finish clean up on its own */ | |
712 | session_remove_fifo(session); | |
713 | session_save(session); | |
714 | user_save(session->user); | |
715 | ||
716 | return sd_bus_reply_method_return(bus, message, NULL); | |
717 | } | |
718 | ||
719 | static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
720 | Manager *m = userdata; | |
721 | Session *session; | |
722 | const char *name; | |
723 | int r; | |
f8e2fb7b | 724 | |
cc377381 LP |
725 | assert(bus); |
726 | assert(message); | |
f8e2fb7b | 727 | assert(m); |
cc377381 LP |
728 | |
729 | r = sd_bus_message_read(message, "s", &name); | |
730 | if (r < 0) | |
731 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
732 | ||
733 | session = hashmap_get(m->sessions, name); | |
734 | if (!session) | |
735 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
736 | ||
737 | r = session_activate(session); | |
738 | if (r < 0) | |
739 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
740 | ||
741 | return sd_bus_reply_method_return(bus, message, NULL); | |
742 | } | |
743 | ||
744 | static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
745 | const char *session_name, *seat_name; | |
746 | Manager *m = userdata; | |
747 | Session *session; | |
748 | Seat *seat; | |
749 | int r; | |
750 | ||
751 | assert(bus); | |
f8e2fb7b | 752 | assert(message); |
cc377381 | 753 | assert(m); |
f8e2fb7b | 754 | |
cc377381 LP |
755 | /* Same as ActivateSession() but refuses to work if |
756 | * the seat doesn't match */ | |
f8e2fb7b | 757 | |
cc377381 LP |
758 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); |
759 | if (r < 0) | |
760 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
eecd1362 | 761 | |
cc377381 LP |
762 | session = hashmap_get(m->sessions, session_name); |
763 | if (!session) | |
764 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name); | |
beaafb2e | 765 | |
cc377381 LP |
766 | seat = hashmap_get(m->seats, seat_name); |
767 | if (!seat) | |
768 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name); | |
314b4b0a | 769 | |
cc377381 LP |
770 | if (session->seat != seat) |
771 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); | |
772 | ||
773 | r = session_activate(session); | |
f8e2fb7b | 774 | if (r < 0) |
cc377381 | 775 | return sd_bus_reply_method_errno(bus, message, r, NULL); |
f8e2fb7b | 776 | |
cc377381 LP |
777 | return sd_bus_reply_method_return(bus, message, NULL); |
778 | } | |
f8e2fb7b | 779 | |
cc377381 LP |
780 | static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata) { |
781 | Manager *m = userdata; | |
782 | Session *session; | |
783 | const char *name; | |
784 | int r; | |
f8e2fb7b | 785 | |
cc377381 LP |
786 | assert(bus); |
787 | assert(message); | |
788 | assert(m); | |
f8e2fb7b | 789 | |
cc377381 LP |
790 | r = sd_bus_message_read(message, "s", &name); |
791 | if (r < 0) | |
792 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
f8e2fb7b | 793 | |
cc377381 LP |
794 | session = hashmap_get(m->sessions, name); |
795 | if (!session) | |
796 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
f8e2fb7b | 797 | |
cc377381 | 798 | r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession")); |
f8e2fb7b | 799 | if (r < 0) |
cc377381 | 800 | return sd_bus_reply_method_errno(bus, message, r, NULL); |
f8e2fb7b | 801 | |
cc377381 LP |
802 | return sd_bus_reply_method_return(bus, message, NULL); |
803 | } | |
f8e2fb7b | 804 | |
cc377381 LP |
805 | static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { |
806 | Manager *m = userdata; | |
807 | int r; | |
f8e2fb7b | 808 | |
cc377381 LP |
809 | assert(bus); |
810 | assert(message); | |
811 | assert(m); | |
f8e2fb7b | 812 | |
cc377381 LP |
813 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
814 | if (r < 0) | |
815 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
f8e2fb7b | 816 | |
cc377381 LP |
817 | return sd_bus_reply_method_return(bus, message, NULL); |
818 | } | |
819 | ||
820 | static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
821 | const char *name, *swho; | |
822 | Manager *m = userdata; | |
823 | Session *session; | |
824 | int32_t signo; | |
825 | KillWho who; | |
826 | int r; | |
827 | ||
828 | assert(bus); | |
829 | assert(message); | |
830 | assert(m); | |
831 | ||
832 | r = sd_bus_message_read(message, "ssi", &name, &swho, &signo); | |
833 | if (r < 0) | |
834 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
835 | ||
836 | if (isempty(swho)) | |
837 | who = KILL_ALL; | |
838 | else { | |
839 | who = kill_who_from_string(swho); | |
840 | if (who < 0) | |
841 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); | |
f8e2fb7b LP |
842 | } |
843 | ||
cc377381 LP |
844 | if (signo <= 0 || signo >= _NSIG) |
845 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); | |
f8e2fb7b | 846 | |
cc377381 LP |
847 | session = hashmap_get(m->sessions, name); |
848 | if (!session) | |
849 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
f8e2fb7b | 850 | |
cc377381 LP |
851 | r = session_kill(session, who, signo); |
852 | if (r < 0) | |
853 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
f8e2fb7b | 854 | |
cc377381 LP |
855 | return sd_bus_reply_method_return(bus, message, NULL); |
856 | } | |
f8e2fb7b | 857 | |
cc377381 LP |
858 | static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata) { |
859 | Manager *m = userdata; | |
860 | uint32_t uid; | |
861 | int32_t signo; | |
862 | User *user; | |
863 | int r; | |
f8e2fb7b | 864 | |
cc377381 LP |
865 | assert(bus); |
866 | assert(message); | |
867 | assert(m); | |
868 | ||
869 | r = sd_bus_message_read(message, "ui", &uid, &signo); | |
870 | if (r < 0) | |
871 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
872 | ||
873 | if (signo <= 0 || signo >= _NSIG) | |
874 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); | |
875 | ||
876 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
877 | if (!user) | |
878 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); | |
879 | ||
880 | r = user_kill(user, signo); | |
881 | if (r < 0) | |
882 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
883 | ||
884 | return sd_bus_reply_method_return(bus, message, NULL); | |
885 | } | |
886 | ||
887 | static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
888 | Manager *m = userdata; | |
889 | const char *name; | |
890 | Session *session; | |
891 | int r; | |
892 | ||
893 | assert(bus); | |
894 | assert(message); | |
895 | assert(m); | |
896 | ||
897 | r = sd_bus_message_read(message, "s", &name); | |
898 | if (r < 0) | |
899 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
900 | ||
901 | session = hashmap_get(m->sessions, name); | |
902 | if (!session) | |
903 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
904 | ||
905 | r = session_stop(session); | |
906 | if (r < 0) | |
907 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
908 | ||
909 | return sd_bus_reply_method_return(bus, message, NULL); | |
910 | } | |
911 | ||
912 | static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
913 | Manager *m = userdata; | |
914 | uint32_t uid; | |
915 | User *user; | |
916 | int r; | |
917 | ||
918 | assert(bus); | |
919 | assert(message); | |
920 | assert(m); | |
921 | ||
922 | r = sd_bus_message_read(message, "u", &uid); | |
923 | if (r < 0) | |
924 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
925 | ||
926 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
927 | if (!user) | |
928 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); | |
929 | ||
930 | r = user_stop(user); | |
931 | if (r < 0) | |
932 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
933 | ||
934 | return sd_bus_reply_method_return(bus, message, NULL); | |
935 | } | |
936 | ||
937 | static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
938 | Manager *m = userdata; | |
939 | const char *name; | |
940 | Seat *seat; | |
941 | int r; | |
942 | ||
943 | assert(bus); | |
944 | assert(message); | |
945 | assert(m); | |
946 | ||
947 | r = sd_bus_message_read(message, "s", &name); | |
948 | if (r < 0) | |
949 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
950 | ||
951 | seat = hashmap_get(m->seats, name); | |
952 | if (!seat) | |
953 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
954 | ||
955 | r = seat_stop_sessions(seat); | |
956 | if (r < 0) | |
957 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
958 | ||
959 | return sd_bus_reply_method_return(bus, message, NULL); | |
960 | } | |
961 | ||
962 | static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
963 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
964 | _cleanup_free_ char *cc = NULL; | |
965 | Manager *m = userdata; | |
966 | int b, r; | |
967 | struct passwd *pw; | |
968 | const char *path; | |
969 | uint32_t uid; | |
970 | int interactive; | |
971 | ||
972 | assert(bus); | |
973 | assert(message); | |
974 | assert(m); | |
975 | ||
976 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
977 | if (r < 0) | |
978 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
979 | ||
980 | errno = 0; | |
981 | pw = getpwuid(uid); | |
982 | if (!pw) | |
983 | return sd_bus_reply_method_errno(bus, message, errno ? errno : ENOENT, NULL); | |
984 | ||
985 | r = bus_verify_polkit_async(bus, | |
986 | &m->polkit_registry, | |
987 | message, | |
988 | "org.freedesktop.login1.set-user-linger", | |
989 | interactive, | |
990 | &error, | |
991 | method_set_user_linger, m); | |
992 | if (r < 0) | |
993 | return sd_bus_reply_method_errno(bus, message, r, &error); | |
994 | if (r == 0) | |
995 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
996 | ||
997 | mkdir_p_label("/var/lib/systemd", 0755); | |
998 | ||
999 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); | |
1000 | if (r < 0) | |
1001 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1002 | ||
1003 | cc = cescape(pw->pw_name); | |
1004 | if (!cc) | |
1005 | return sd_bus_reply_method_errno(bus, message, ENOMEM, NULL); | |
1006 | ||
1007 | path = strappenda("/var/lib/systemd/linger/", cc); | |
1008 | if (b) { | |
1009 | User *u; | |
1010 | ||
1011 | r = touch(path); | |
1012 | if (r < 0) | |
1013 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1014 | ||
1015 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1016 | user_start(u); | |
1017 | ||
1018 | } else { | |
1019 | User *u; | |
1020 | ||
1021 | r = unlink(path); | |
1022 | if (r < 0 && errno != ENOENT) | |
1023 | return sd_bus_reply_method_errno(bus, message, errno, NULL); | |
1024 | ||
1025 | u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1026 | if (u) | |
1027 | user_add_to_gc_queue(u); | |
1028 | } | |
1029 | ||
1030 | return sd_bus_reply_method_return(bus, message, NULL); | |
f8e2fb7b LP |
1031 | } |
1032 | ||
2eb916cd | 1033 | static int trigger_device(Manager *m, struct udev_device *d) { |
b668e064 LP |
1034 | struct udev_enumerate *e; |
1035 | struct udev_list_entry *first, *item; | |
1036 | int r; | |
1037 | ||
1038 | assert(m); | |
1039 | ||
1040 | e = udev_enumerate_new(m->udev); | |
1041 | if (!e) { | |
1042 | r = -ENOMEM; | |
1043 | goto finish; | |
1044 | } | |
1045 | ||
2eb916cd LP |
1046 | if (d) { |
1047 | if (udev_enumerate_add_match_parent(e, d) < 0) { | |
1048 | r = -EIO; | |
1049 | goto finish; | |
1050 | } | |
1051 | } | |
1052 | ||
b668e064 LP |
1053 | if (udev_enumerate_scan_devices(e) < 0) { |
1054 | r = -EIO; | |
1055 | goto finish; | |
1056 | } | |
1057 | ||
1058 | first = udev_enumerate_get_list_entry(e); | |
1059 | udev_list_entry_foreach(item, first) { | |
cc377381 | 1060 | _cleanup_free_ char *t = NULL; |
b668e064 LP |
1061 | const char *p; |
1062 | ||
1063 | p = udev_list_entry_get_name(item); | |
1064 | ||
b668e064 LP |
1065 | t = strappend(p, "/uevent"); |
1066 | if (!t) { | |
1067 | r = -ENOMEM; | |
1068 | goto finish; | |
1069 | } | |
1070 | ||
574d5f2d | 1071 | write_string_file(t, "change"); |
b668e064 LP |
1072 | } |
1073 | ||
1074 | r = 0; | |
1075 | ||
1076 | finish: | |
1077 | if (e) | |
1078 | udev_enumerate_unref(e); | |
1079 | ||
1080 | return r; | |
1081 | } | |
1082 | ||
47a26690 | 1083 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
7fd1b19b | 1084 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 1085 | const char *id_for_seat; |
cc377381 | 1086 | struct udev_device *d; |
47a26690 LP |
1087 | int r; |
1088 | ||
1089 | assert(m); | |
1090 | assert(seat); | |
1091 | assert(sysfs); | |
1092 | ||
1093 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
1094 | if (!d) | |
1095 | return -ENODEV; | |
1096 | ||
309c2a2c | 1097 | if (!udev_device_has_tag(d, "seat")) { |
47a26690 LP |
1098 | r = -ENODEV; |
1099 | goto finish; | |
1100 | } | |
1101 | ||
c28fa3d3 LP |
1102 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
1103 | if (!id_for_seat) { | |
47a26690 LP |
1104 | r = -ENODEV; |
1105 | goto finish; | |
1106 | } | |
1107 | ||
c28fa3d3 | 1108 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { |
47a26690 LP |
1109 | r = -ENOMEM; |
1110 | goto finish; | |
1111 | } | |
1112 | ||
c28fa3d3 | 1113 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { |
47a26690 LP |
1114 | r = -ENOMEM; |
1115 | goto finish; | |
1116 | } | |
1117 | ||
d2e54fae | 1118 | mkdir_p_label("/etc/udev/rules.d", 0755); |
a5c32cff | 1119 | label_init("/etc"); |
574d5f2d | 1120 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 LP |
1121 | if (r < 0) |
1122 | goto finish; | |
1123 | ||
2eb916cd | 1124 | r = trigger_device(m, d); |
47a26690 LP |
1125 | |
1126 | finish: | |
47a26690 LP |
1127 | if (d) |
1128 | udev_device_unref(d); | |
1129 | ||
1130 | return r; | |
1131 | } | |
1132 | ||
b668e064 | 1133 | static int flush_devices(Manager *m) { |
7fd1b19b | 1134 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
1135 | |
1136 | assert(m); | |
1137 | ||
1138 | d = opendir("/etc/udev/rules.d"); | |
1139 | if (!d) { | |
1140 | if (errno != ENOENT) | |
1141 | log_warning("Failed to open /etc/udev/rules.d: %m"); | |
1142 | } else { | |
1143 | struct dirent *de; | |
1144 | ||
1145 | while ((de = readdir(d))) { | |
1146 | ||
1147 | if (!dirent_is_file(de)) | |
1148 | continue; | |
1149 | ||
1150 | if (!startswith(de->d_name, "72-seat-")) | |
1151 | continue; | |
1152 | ||
1153 | if (!endswith(de->d_name, ".rules")) | |
1154 | continue; | |
1155 | ||
1156 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
1157 | log_warning("Failed to unlink %s: %m", de->d_name); | |
1158 | } | |
b668e064 LP |
1159 | } |
1160 | ||
1161 | return trigger_device(m, NULL); | |
1162 | } | |
1163 | ||
cc377381 LP |
1164 | static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1165 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1166 | const char *sysfs, *seat; | |
1167 | Manager *m = userdata; | |
1168 | int interactive, r; | |
1169 | ||
1170 | assert(bus); | |
1171 | assert(message); | |
1172 | assert(m); | |
1173 | ||
1174 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1175 | if (r < 0) | |
1176 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1177 | ||
1178 | if (!path_startswith(sysfs, "/sys")) | |
1179 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); | |
1180 | ||
1181 | if (!seat_name_is_valid(seat)) | |
1182 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); | |
1183 | ||
1184 | r = bus_verify_polkit_async(bus, | |
1185 | &m->polkit_registry, | |
1186 | message, | |
1187 | "org.freedesktop.login1.attach-device", | |
1188 | interactive, | |
1189 | &error, | |
1190 | method_attach_device, m); | |
1191 | if (r < 0) | |
1192 | return sd_bus_reply_method_errno(bus, message, r, &error); | |
1193 | if (r == 0) | |
1194 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1195 | ||
1196 | r = attach_device(m, seat, sysfs); | |
1197 | if (r < 0) | |
1198 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1199 | ||
1200 | return sd_bus_reply_method_return(bus, message, NULL); | |
1201 | } | |
1202 | ||
1203 | static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
1204 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1205 | Manager *m = userdata; | |
1206 | int interactive, r; | |
1207 | ||
1208 | assert(bus); | |
1209 | assert(message); | |
1210 | assert(m); | |
1211 | ||
1212 | r = sd_bus_message_read(message, "b", &interactive); | |
1213 | if (r < 0) | |
1214 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1215 | ||
1216 | r = bus_verify_polkit_async(bus, | |
1217 | &m->polkit_registry, | |
1218 | message, | |
1219 | "org.freedesktop.login1.flush-devices", | |
1220 | interactive, | |
1221 | &error, | |
1222 | method_flush_devices, m); | |
1223 | if (r < 0) | |
1224 | return sd_bus_reply_method_errno(bus, message, r, &error); | |
1225 | if (r == 0) | |
1226 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1227 | ||
1228 | r = flush_devices(m); | |
1229 | if (r < 0) | |
1230 | return sd_bus_reply_method_errno(bus, message, r, &error); | |
1231 | ||
1232 | return sd_bus_reply_method_return(bus, message, NULL); | |
1233 | } | |
1234 | ||
89f13440 | 1235 | static int have_multiple_sessions( |
89f13440 | 1236 | Manager *m, |
409133be | 1237 | uid_t uid) { |
89f13440 | 1238 | |
2154761f MS |
1239 | Session *session; |
1240 | Iterator i; | |
89f13440 LP |
1241 | |
1242 | assert(m); | |
1243 | ||
1ca04b87 LP |
1244 | /* Check for other users' sessions. Greeter sessions do not |
1245 | * count, and non-login sessions do not count either. */ | |
2154761f | 1246 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1247 | if (session->class == SESSION_USER && |
c68ba912 | 1248 | !session->closing && |
1ca04b87 | 1249 | session->user->uid != uid) |
2154761f | 1250 | return true; |
89f13440 LP |
1251 | |
1252 | return false; | |
1253 | } | |
1254 | ||
314b4b0a LP |
1255 | static int bus_manager_log_shutdown( |
1256 | Manager *m, | |
1257 | InhibitWhat w, | |
1258 | const char *unit_name) { | |
1259 | ||
1260 | const char *p, *q; | |
1261 | ||
1262 | assert(m); | |
1263 | assert(unit_name); | |
1264 | ||
1265 | if (w != INHIBIT_SHUTDOWN) | |
1266 | return 0; | |
1267 | ||
1268 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { | |
1269 | p = "MESSAGE=System is powering down."; | |
1270 | q = "SHUTDOWN=power-off"; | |
1271 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { | |
1272 | p = "MESSAGE=System is halting."; | |
1273 | q = "SHUTDOWN=halt"; | |
1274 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { | |
1275 | p = "MESSAGE=System is rebooting."; | |
1276 | q = "SHUTDOWN=reboot"; | |
1277 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { | |
1278 | p = "MESSAGE=System is rebooting with kexec."; | |
1279 | q = "SHUTDOWN=kexec"; | |
1280 | } else { | |
1281 | p = "MESSAGE=System is shutting down."; | |
1282 | q = NULL; | |
1283 | } | |
1284 | ||
1285 | return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), | |
1286 | p, | |
1287 | q, NULL); | |
1288 | } | |
1289 | ||
1290 | static int execute_shutdown_or_sleep( | |
1291 | Manager *m, | |
1292 | InhibitWhat w, | |
1293 | const char *unit_name, | |
cc377381 | 1294 | sd_bus_error *error) { |
314b4b0a | 1295 | |
cc377381 LP |
1296 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
1297 | const char *p; | |
af9792ac | 1298 | char *c; |
cc377381 | 1299 | int r; |
eecd1362 | 1300 | |
af9792ac | 1301 | assert(m); |
314b4b0a LP |
1302 | assert(w >= 0); |
1303 | assert(w < _INHIBIT_WHAT_MAX); | |
d889a206 | 1304 | assert(unit_name); |
eecd1362 | 1305 | |
314b4b0a LP |
1306 | bus_manager_log_shutdown(m, w, unit_name); |
1307 | ||
cc377381 | 1308 | r = sd_bus_call_method( |
af9792ac | 1309 | m->bus, |
eecd1362 LP |
1310 | "org.freedesktop.systemd1", |
1311 | "/org/freedesktop/systemd1", | |
1312 | "org.freedesktop.systemd1.Manager", | |
b9c26b41 | 1313 | "StartUnit", |
af9792ac | 1314 | error, |
cc377381 LP |
1315 | &reply, |
1316 | "ss", unit_name, "replace-irreversibly"); | |
af9792ac LP |
1317 | if (r < 0) |
1318 | return r; | |
1319 | ||
cc377381 LP |
1320 | r = sd_bus_message_read(reply, "o", &p); |
1321 | if (r < 0) | |
1322 | return r; | |
af9792ac LP |
1323 | |
1324 | c = strdup(p); | |
1325 | if (!c) | |
1326 | return -ENOMEM; | |
1327 | ||
314b4b0a | 1328 | m->action_unit = unit_name; |
af9792ac LP |
1329 | free(m->action_job); |
1330 | m->action_job = c; | |
314b4b0a | 1331 | m->action_what = w; |
af9792ac LP |
1332 | |
1333 | return 0; | |
eecd1362 LP |
1334 | } |
1335 | ||
314b4b0a LP |
1336 | static int delay_shutdown_or_sleep( |
1337 | Manager *m, | |
1338 | InhibitWhat w, | |
1339 | const char *unit_name) { | |
eecd1362 | 1340 | |
eecd1362 | 1341 | assert(m); |
d889a206 LP |
1342 | assert(w >= 0); |
1343 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1344 | assert(unit_name); |
eecd1362 | 1345 | |
314b4b0a LP |
1346 | m->action_timestamp = now(CLOCK_MONOTONIC); |
1347 | m->action_unit = unit_name; | |
1348 | m->action_what = w; | |
d889a206 LP |
1349 | |
1350 | return 0; | |
1351 | } | |
1352 | ||
cc377381 | 1353 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
d889a206 | 1354 | |
cc377381 LP |
1355 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { |
1356 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1357 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1358 | }; | |
1359 | ||
1360 | int active = _active; | |
877d54e9 LP |
1361 | |
1362 | assert(m); | |
314b4b0a LP |
1363 | assert(w >= 0); |
1364 | assert(w < _INHIBIT_WHAT_MAX); | |
1365 | assert(signal_name[w]); | |
877d54e9 | 1366 | |
cc377381 LP |
1367 | return sd_bus_emit_signal(m->bus, |
1368 | "/org/freedesktop/login1", | |
1369 | "org.freedesktop.login1.Manager", | |
1370 | signal_name[w], | |
1371 | "b", | |
1372 | &active); | |
877d54e9 LP |
1373 | } |
1374 | ||
069cfc85 LP |
1375 | int bus_manager_shutdown_or_sleep_now_or_later( |
1376 | Manager *m, | |
1377 | const char *unit_name, | |
1378 | InhibitWhat w, | |
cc377381 | 1379 | sd_bus_error *error) { |
069cfc85 LP |
1380 | |
1381 | bool delayed; | |
1382 | int r; | |
1383 | ||
1384 | assert(m); | |
1385 | assert(unit_name); | |
1386 | assert(w >= 0); | |
1387 | assert(w <= _INHIBIT_WHAT_MAX); | |
af9792ac | 1388 | assert(!m->action_job); |
069cfc85 | 1389 | |
314b4b0a LP |
1390 | /* Tell everybody to prepare for shutdown/sleep */ |
1391 | send_prepare_for(m, w, true); | |
1392 | ||
069cfc85 LP |
1393 | delayed = |
1394 | m->inhibit_delay_max > 0 && | |
409133be | 1395 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); |
069cfc85 LP |
1396 | |
1397 | if (delayed) | |
1398 | /* Shutdown is delayed, keep in mind what we | |
1399 | * want to do, and start a timeout */ | |
1400 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1401 | else |
069cfc85 LP |
1402 | /* Shutdown is not delayed, execute it |
1403 | * immediately */ | |
314b4b0a | 1404 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1405 | |
1406 | return r; | |
1407 | } | |
1408 | ||
cc377381 | 1409 | static int method_do_shutdown_or_sleep( |
d889a206 | 1410 | Manager *m, |
cc377381 | 1411 | sd_bus_message *message, |
d889a206 LP |
1412 | const char *unit_name, |
1413 | InhibitWhat w, | |
1414 | const char *action, | |
1415 | const char *action_multiple_sessions, | |
1416 | const char *action_ignore_inhibit, | |
19adb8a3 | 1417 | const char *sleep_verb, |
cc377381 | 1418 | sd_bus_message_handler_t method) { |
d889a206 | 1419 | |
cc377381 | 1420 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
069cfc85 | 1421 | bool multiple_sessions, blocked; |
cc377381 LP |
1422 | int interactive, r; |
1423 | uid_t uid; | |
d889a206 LP |
1424 | |
1425 | assert(m); | |
d889a206 LP |
1426 | assert(message); |
1427 | assert(unit_name); | |
1428 | assert(w >= 0); | |
1429 | assert(w <= _INHIBIT_WHAT_MAX); | |
1430 | assert(action); | |
1431 | assert(action_multiple_sessions); | |
1432 | assert(action_ignore_inhibit); | |
cc377381 LP |
1433 | assert(method); |
1434 | ||
1435 | r = sd_bus_message_read(message, "b", &interactive); | |
1436 | if (r < 0) | |
1437 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); | |
d889a206 | 1438 | |
314b4b0a LP |
1439 | /* Don't allow multiple jobs being executed at the same time */ |
1440 | if (m->action_what) | |
cc377381 | 1441 | return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); |
d889a206 | 1442 | |
19adb8a3 ZJS |
1443 | if (sleep_verb) { |
1444 | r = can_sleep(sleep_verb); | |
6524990f | 1445 | if (r < 0) |
cc377381 | 1446 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); |
6524990f LP |
1447 | |
1448 | if (r == 0) | |
cc377381 | 1449 | return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); |
6524990f LP |
1450 | } |
1451 | ||
cc377381 LP |
1452 | r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); |
1453 | if (r < 0) | |
1454 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); | |
409133be | 1455 | |
cc377381 | 1456 | r = have_multiple_sessions(m, uid); |
d889a206 | 1457 | if (r < 0) |
cc377381 | 1458 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); |
d889a206 LP |
1459 | |
1460 | multiple_sessions = r > 0; | |
cc377381 | 1461 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); |
d889a206 LP |
1462 | |
1463 | if (multiple_sessions) { | |
cc377381 LP |
1464 | r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, |
1465 | action_multiple_sessions, interactive, &error, method, m); | |
d889a206 | 1466 | if (r < 0) |
cc377381 | 1467 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
d889a206 LP |
1468 | } |
1469 | ||
1470 | if (blocked) { | |
cc377381 LP |
1471 | r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, |
1472 | action_ignore_inhibit, interactive, &error, method, m); | |
d889a206 | 1473 | if (r < 0) |
cc377381 | 1474 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
d889a206 LP |
1475 | } |
1476 | ||
1477 | if (!multiple_sessions && !blocked) { | |
cc377381 LP |
1478 | r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, |
1479 | action, interactive, &error, method, m); | |
d889a206 | 1480 | if (r < 0) |
cc377381 | 1481 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
d889a206 LP |
1482 | } |
1483 | ||
cc377381 | 1484 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, &error); |
d889a206 | 1485 | if (r < 0) |
cc377381 | 1486 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
d889a206 | 1487 | |
cc377381 | 1488 | return sd_bus_reply_method_return(m->bus, message, NULL); |
eecd1362 LP |
1489 | } |
1490 | ||
cc377381 | 1491 | static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { |
3f49d45a LP |
1492 | Manager *m = userdata; |
1493 | ||
cc377381 LP |
1494 | return method_do_shutdown_or_sleep( |
1495 | m, message, | |
1496 | SPECIAL_POWEROFF_TARGET, | |
1497 | INHIBIT_SHUTDOWN, | |
1498 | "org.freedesktop.login1.power-off", | |
1499 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1500 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1501 | NULL, | |
1502 | method_poweroff); | |
1503 | } | |
88e3dc90 | 1504 | |
cc377381 LP |
1505 | static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1506 | Manager *m = userdata; | |
88e3dc90 | 1507 | |
cc377381 LP |
1508 | return method_do_shutdown_or_sleep( |
1509 | m, message, | |
1510 | SPECIAL_REBOOT_TARGET, | |
1511 | INHIBIT_SHUTDOWN, | |
1512 | "org.freedesktop.login1.reboot", | |
1513 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1514 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1515 | NULL, | |
1516 | method_reboot); | |
1517 | } | |
88e3dc90 | 1518 | |
cc377381 LP |
1519 | static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1520 | Manager *m = userdata; | |
88e3dc90 | 1521 | |
cc377381 LP |
1522 | return method_do_shutdown_or_sleep( |
1523 | m, message, | |
1524 | SPECIAL_SUSPEND_TARGET, | |
1525 | INHIBIT_SLEEP, | |
1526 | "org.freedesktop.login1.suspend", | |
1527 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1528 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1529 | "suspend", | |
1530 | method_suspend); | |
1531 | } | |
88e3dc90 | 1532 | |
cc377381 LP |
1533 | static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1534 | Manager *m = userdata; | |
b6160029 | 1535 | |
cc377381 LP |
1536 | return method_do_shutdown_or_sleep( |
1537 | m, message, | |
1538 | SPECIAL_HIBERNATE_TARGET, | |
1539 | INHIBIT_SLEEP, | |
1540 | "org.freedesktop.login1.hibernate", | |
1541 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1542 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1543 | "hibernate", | |
1544 | method_hibernate); | |
1545 | } | |
fa2b196d | 1546 | |
cc377381 LP |
1547 | static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1548 | Manager *m = userdata; | |
fa2b196d | 1549 | |
cc377381 LP |
1550 | return method_do_shutdown_or_sleep( |
1551 | m, message, | |
1552 | SPECIAL_HYBRID_SLEEP_TARGET, | |
1553 | INHIBIT_SLEEP, | |
1554 | "org.freedesktop.login1.hibernate", | |
1555 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1556 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1557 | "hybrid-sleep", | |
1558 | method_hybrid_sleep); | |
1559 | } | |
de07ab16 | 1560 | |
cc377381 LP |
1561 | static int method_can_shutdown_or_sleep( |
1562 | Manager *m, | |
1563 | sd_bus_message *message, | |
1564 | InhibitWhat w, | |
1565 | const char *action, | |
1566 | const char *action_multiple_sessions, | |
1567 | const char *action_ignore_inhibit, | |
1568 | const char *sleep_verb) { | |
de07ab16 | 1569 | |
cc377381 LP |
1570 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1571 | bool multiple_sessions, challenge, blocked; | |
1572 | const char *result = NULL; | |
1573 | uid_t uid; | |
1574 | int r; | |
de07ab16 | 1575 | |
cc377381 LP |
1576 | assert(m); |
1577 | assert(message); | |
1578 | assert(w >= 0); | |
1579 | assert(w <= _INHIBIT_WHAT_MAX); | |
1580 | assert(action); | |
1581 | assert(action_multiple_sessions); | |
1582 | assert(action_ignore_inhibit); | |
de07ab16 | 1583 | |
cc377381 LP |
1584 | if (sleep_verb) { |
1585 | r = can_sleep(sleep_verb); | |
de07ab16 | 1586 | if (r < 0) |
cc377381 LP |
1587 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); |
1588 | if (r == 0) | |
1589 | return sd_bus_reply_method_return(m->bus, message, "s", "na"); | |
1590 | } | |
de07ab16 | 1591 | |
cc377381 LP |
1592 | r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); |
1593 | if (r < 0) | |
1594 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); | |
de07ab16 | 1595 | |
cc377381 LP |
1596 | r = have_multiple_sessions(m, uid); |
1597 | if (r < 0) | |
1598 | return sd_bus_reply_method_errno(m->bus, message, r, NULL); | |
de07ab16 | 1599 | |
cc377381 LP |
1600 | multiple_sessions = r > 0; |
1601 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); | |
de07ab16 | 1602 | |
cc377381 LP |
1603 | if (multiple_sessions) { |
1604 | r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, &error); | |
de07ab16 | 1605 | if (r < 0) |
cc377381 | 1606 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
bef422ae | 1607 | |
cc377381 LP |
1608 | if (r > 0) |
1609 | result = "yes"; | |
1610 | else if (challenge) | |
1611 | result = "challenge"; | |
1612 | else | |
1613 | result = "no"; | |
1614 | } | |
bef422ae | 1615 | |
cc377381 LP |
1616 | if (blocked) { |
1617 | r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, &error); | |
bef422ae | 1618 | if (r < 0) |
cc377381 | 1619 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
bef422ae | 1620 | |
cc377381 LP |
1621 | if (r > 0 && !result) |
1622 | result = "yes"; | |
1623 | else if (challenge && (!result || streq(result, "yes"))) | |
1624 | result = "challenge"; | |
1625 | else | |
1626 | result = "no"; | |
1627 | } | |
bef422ae | 1628 | |
cc377381 LP |
1629 | if (!multiple_sessions && !blocked) { |
1630 | /* If neither inhibit nor multiple sessions | |
1631 | * apply then just check the normal policy */ | |
bef422ae | 1632 | |
cc377381 | 1633 | r = bus_verify_polkit(m->bus, message, action, false, &challenge, &error); |
bef422ae | 1634 | if (r < 0) |
cc377381 | 1635 | return sd_bus_reply_method_errno(m->bus, message, r, &error); |
bef422ae | 1636 | |
cc377381 LP |
1637 | if (r > 0) |
1638 | result = "yes"; | |
1639 | else if (challenge) | |
1640 | result = "challenge"; | |
1641 | else | |
1642 | result = "no"; | |
1643 | } | |
bef422ae | 1644 | |
cc377381 LP |
1645 | return sd_bus_reply_method_return(m->bus, message, "s", result); |
1646 | } | |
bef422ae | 1647 | |
cc377381 LP |
1648 | static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1649 | Manager *m = userdata; | |
bef422ae | 1650 | |
cc377381 LP |
1651 | return method_can_shutdown_or_sleep( |
1652 | m, message, | |
1653 | INHIBIT_SHUTDOWN, | |
1654 | "org.freedesktop.login1.power-off", | |
1655 | "org.freedesktop.login1.power-off-multiple-sessions", | |
1656 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
1657 | NULL); | |
1658 | } | |
bef422ae | 1659 | |
cc377381 LP |
1660 | static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1661 | Manager *m = userdata; | |
bef422ae | 1662 | |
cc377381 LP |
1663 | return method_can_shutdown_or_sleep( |
1664 | m, message, | |
1665 | INHIBIT_SHUTDOWN, | |
1666 | "org.freedesktop.login1.reboot", | |
1667 | "org.freedesktop.login1.reboot-multiple-sessions", | |
1668 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
1669 | NULL); | |
1670 | } | |
bef422ae | 1671 | |
cc377381 LP |
1672 | static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1673 | Manager *m = userdata; | |
7f7bb946 | 1674 | |
cc377381 LP |
1675 | return method_can_shutdown_or_sleep( |
1676 | m, message, | |
1677 | INHIBIT_SLEEP, | |
1678 | "org.freedesktop.login1.suspend", | |
1679 | "org.freedesktop.login1.suspend-multiple-sessions", | |
1680 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
1681 | "suspend"); | |
1682 | } | |
7f7bb946 | 1683 | |
cc377381 LP |
1684 | static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1685 | Manager *m = userdata; | |
02b16a19 | 1686 | |
cc377381 LP |
1687 | return method_can_shutdown_or_sleep( |
1688 | m, message, | |
1689 | INHIBIT_SLEEP, | |
1690 | "org.freedesktop.login1.hibernate", | |
1691 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1692 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1693 | "hibernate"); | |
1694 | } | |
7f7bb946 | 1695 | |
cc377381 LP |
1696 | static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1697 | Manager *m = userdata; | |
7f7bb946 | 1698 | |
cc377381 LP |
1699 | return method_can_shutdown_or_sleep( |
1700 | m, message, | |
1701 | INHIBIT_SLEEP, | |
1702 | "org.freedesktop.login1.hibernate", | |
1703 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
1704 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
1705 | "hybrid-sleep"); | |
1706 | } | |
38f3fc7d | 1707 | |
cc377381 LP |
1708 | static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1709 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1710 | const char *who, *why, *what, *mode; | |
1711 | _cleanup_free_ char *id = NULL; | |
1712 | _cleanup_close_ int fifo_fd = -1; | |
1713 | Manager *m = userdata; | |
1714 | Inhibitor *i = NULL; | |
1715 | InhibitMode mm; | |
1716 | InhibitWhat w; | |
1717 | pid_t pid; | |
1718 | uid_t uid; | |
1719 | int r; | |
7f7bb946 | 1720 | |
cc377381 LP |
1721 | assert(bus); |
1722 | assert(message); | |
1723 | assert(m); | |
38f3fc7d | 1724 | |
cc377381 LP |
1725 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
1726 | if (r < 0) | |
1727 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
38f3fc7d | 1728 | |
cc377381 LP |
1729 | w = inhibit_what_from_string(what); |
1730 | if (w <= 0) | |
1731 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); | |
38f3fc7d | 1732 | |
cc377381 LP |
1733 | mm = inhibit_mode_from_string(mode); |
1734 | if (mm < 0) | |
1735 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); | |
7f7bb946 | 1736 | |
cc377381 LP |
1737 | /* Delay is only supported for shutdown/sleep */ |
1738 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
1739 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); | |
38f3fc7d | 1740 | |
cc377381 LP |
1741 | /* Don't allow taking delay locks while we are already |
1742 | * executing the operation. We shouldn't create the impression | |
1743 | * that the lock was successful if the machine is about to go | |
1744 | * down/suspend any moment. */ | |
1745 | if (m->action_what & w) | |
1746 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); | |
1747 | ||
1748 | r = bus_verify_polkit_async(bus, &m->polkit_registry, message, | |
1749 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
1750 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
1751 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
1752 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
1753 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
1754 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
1755 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
1756 | false, &error, method_inhibit, m); | |
1757 | if (r < 0) | |
1758 | return sd_bus_reply_method_errno(bus, message, r, &error); | |
1759 | if (r == 0) | |
1760 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7f7bb946 | 1761 | |
cc377381 LP |
1762 | r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); |
1763 | if (r < 0) | |
1764 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
7f7bb946 | 1765 | |
cc377381 LP |
1766 | r = sd_bus_get_owner_pid(m->bus, sd_bus_message_get_sender(message), &pid); |
1767 | if (r < 0) | |
1768 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
47a26690 | 1769 | |
cc377381 LP |
1770 | do { |
1771 | free(id); | |
1772 | id = NULL; | |
47a26690 | 1773 | |
cc377381 LP |
1774 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
1775 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
47a26690 | 1776 | |
cc377381 | 1777 | } while (hashmap_get(m->inhibitors, id)); |
47a26690 | 1778 | |
cc377381 LP |
1779 | r = manager_add_inhibitor(m, id, &i); |
1780 | if (r < 0) | |
1781 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
47a26690 | 1782 | |
cc377381 LP |
1783 | i->what = w; |
1784 | i->mode = mm; | |
1785 | i->pid = pid; | |
1786 | i->uid = uid; | |
1787 | i->why = strdup(why); | |
1788 | i->who = strdup(who); | |
7f7bb946 | 1789 | |
cc377381 LP |
1790 | if (!i->why || !i->who) { |
1791 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
1792 | goto fail; | |
1793 | } | |
b668e064 | 1794 | |
cc377381 LP |
1795 | fifo_fd = inhibitor_create_fifo(i); |
1796 | if (fifo_fd < 0) { | |
1797 | r = sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); | |
1798 | goto fail; | |
1799 | } | |
b668e064 | 1800 | |
cc377381 | 1801 | inhibitor_start(i); |
b668e064 | 1802 | |
cc377381 | 1803 | return sd_bus_reply_method_return(bus, message, "h", fifo_fd); |
b668e064 | 1804 | |
cc377381 LP |
1805 | fail: |
1806 | if (i) | |
1807 | inhibitor_free(i); | |
89f13440 | 1808 | |
cc377381 LP |
1809 | return r; |
1810 | } | |
3f49d45a | 1811 | |
cc377381 LP |
1812 | const sd_bus_vtable manager_vtable[] = { |
1813 | SD_BUS_VTABLE_START(0), | |
1814 | ||
1815 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), 0), | |
1816 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), 0), | |
1817 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), 0), | |
1818 | SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), 0), | |
1819 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1820 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1821 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1822 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1823 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1824 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), 0), | |
1825 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), 0), | |
1826 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), 0), | |
1827 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), 0), | |
1828 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), 0), | |
1829 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), 0), | |
1830 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), 0), | |
1831 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), | |
1832 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
1833 | ||
1834 | SD_BUS_METHOD("GetSession", "s", "o", method_get_session, 0), | |
1835 | SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, 0), | |
1836 | SD_BUS_METHOD("GetUser", "u", "o", method_get_user, 0), | |
1837 | SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, 0), | |
1838 | SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, 0), | |
1839 | SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, 0), | |
1840 | SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, 0), | |
1841 | SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, 0), | |
1842 | SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, 0), | |
1843 | SD_BUS_METHOD("CreateSession", "uussssussbssa(sv)", "soshsub", method_create_session, 0), | |
1844 | SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), | |
1845 | SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, 0), | |
1846 | SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, 0), | |
1847 | SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0), | |
1848 | SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0), | |
1849 | SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0), | |
1850 | SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0), | |
1851 | SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, 0), | |
1852 | SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, 0), | |
1853 | SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, 0), | |
1854 | SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, 0), | |
1855 | SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, 0), | |
1856 | SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, 0), | |
1857 | SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, 0), | |
1858 | SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, 0), | |
1859 | SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, 0), | |
1860 | SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, 0), | |
1861 | SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, 0), | |
1862 | SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, 0), | |
1863 | SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, 0), | |
1864 | SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, 0), | |
1865 | SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, 0), | |
1866 | SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, 0), | |
1867 | SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, 0), | |
1868 | SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, 0), | |
1869 | SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, 0), | |
1870 | ||
1871 | SD_BUS_SIGNAL("SessionNew", "so", 0), | |
1872 | SD_BUS_SIGNAL("SessionRemoved", "so", 0), | |
1873 | SD_BUS_SIGNAL("UserNew", "uo", 0), | |
1874 | SD_BUS_SIGNAL("UserRemoved", "uo", 0), | |
1875 | SD_BUS_SIGNAL("SeatNew", "so", 0), | |
1876 | SD_BUS_SIGNAL("SeatRemoved", "so", 0), | |
1877 | SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), | |
1878 | SD_BUS_SIGNAL("PrepareForSleep", "b", 0), | |
1879 | ||
1880 | SD_BUS_VTABLE_END | |
1881 | }; | |
3f49d45a | 1882 | |
cc377381 LP |
1883 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1884 | const char *path, *result, *unit; | |
1885 | Manager *m = userdata; | |
1886 | Session *session; | |
1887 | uint32_t id; | |
1888 | User *user; | |
1889 | int r; | |
3f49d45a | 1890 | |
cc377381 LP |
1891 | assert(bus); |
1892 | assert(message); | |
1893 | assert(m); | |
3f49d45a | 1894 | |
cc377381 LP |
1895 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1896 | if (r < 0) { | |
1897 | log_error("Failed to parse JobRemoved message: %s", strerror(-r)); | |
1898 | return 0; | |
1899 | } | |
3f49d45a | 1900 | |
cc377381 LP |
1901 | if (m->action_job && streq(m->action_job, path)) { |
1902 | log_info("Operation finished."); | |
3f49d45a | 1903 | |
cc377381 LP |
1904 | /* Tell people that they now may take a lock again */ |
1905 | send_prepare_for(m, m->action_what, false); | |
3f49d45a | 1906 | |
cc377381 LP |
1907 | free(m->action_job); |
1908 | m->action_job = NULL; | |
1909 | m->action_unit = NULL; | |
1910 | m->action_what = 0; | |
1911 | return 0; | |
1912 | } | |
3f49d45a | 1913 | |
cc377381 LP |
1914 | session = hashmap_get(m->session_units, unit); |
1915 | if (session) { | |
3f49d45a | 1916 | |
cc377381 LP |
1917 | if (streq_ptr(path, session->scope_job)) { |
1918 | free(session->scope_job); | |
1919 | session->scope_job = NULL; | |
3f49d45a LP |
1920 | } |
1921 | ||
cc377381 LP |
1922 | if (session->started) { |
1923 | if (streq(result, "done")) | |
1924 | session_send_create_reply(session, NULL); | |
1925 | else { | |
1926 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
3f49d45a | 1927 | |
cc377381 LP |
1928 | sd_bus_error_setf(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
1929 | session_send_create_reply(session, &error); | |
1930 | } | |
1931 | } else | |
1932 | session_save(session); | |
3f49d45a | 1933 | |
cc377381 LP |
1934 | session_add_to_gc_queue(session); |
1935 | } | |
3f49d45a | 1936 | |
cc377381 LP |
1937 | user = hashmap_get(m->user_units, unit); |
1938 | if (user) { | |
3f49d45a | 1939 | |
cc377381 LP |
1940 | if (streq_ptr(path, user->service_job)) { |
1941 | free(user->service_job); | |
1942 | user->service_job = NULL; | |
3f49d45a LP |
1943 | } |
1944 | ||
cc377381 LP |
1945 | if (streq_ptr(path, user->slice_job)) { |
1946 | free(user->slice_job); | |
1947 | user->slice_job = NULL; | |
1948 | } | |
3f49d45a | 1949 | |
cc377381 LP |
1950 | user_save(user); |
1951 | user_add_to_gc_queue(user); | |
3f49d45a LP |
1952 | } |
1953 | ||
cc377381 | 1954 | return 0; |
3f49d45a LP |
1955 | } |
1956 | ||
cc377381 LP |
1957 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1958 | const char *path, *unit; | |
1713813d | 1959 | Manager *m = userdata; |
cc377381 LP |
1960 | Session *session; |
1961 | User *user; | |
1962 | int r; | |
1713813d | 1963 | |
cc377381 | 1964 | assert(bus); |
1713813d | 1965 | assert(message); |
cc377381 | 1966 | assert(m); |
1713813d | 1967 | |
cc377381 LP |
1968 | r = sd_bus_message_read(message, "so", &unit, &path); |
1969 | if (r < 0) { | |
1970 | log_error("Failed to parse UnitRemoved message: %s", strerror(-r)); | |
1971 | return 0; | |
1972 | } | |
fb6becb4 | 1973 | |
cc377381 LP |
1974 | session = hashmap_get(m->session_units, unit); |
1975 | if (session) | |
1976 | session_add_to_gc_queue(session); | |
fb6becb4 | 1977 | |
cc377381 LP |
1978 | user = hashmap_get(m->user_units, unit); |
1979 | if (user) | |
1980 | user_add_to_gc_queue(user); | |
fb6becb4 | 1981 | |
cc377381 LP |
1982 | return 0; |
1983 | } | |
fb6becb4 | 1984 | |
cc377381 LP |
1985 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1986 | _cleanup_free_ char *unit = NULL; | |
1987 | Manager *m = userdata; | |
1988 | const char *path; | |
1989 | Session *session; | |
1990 | User *user; | |
fb6becb4 | 1991 | |
cc377381 LP |
1992 | assert(bus); |
1993 | assert(message); | |
1994 | assert(m); | |
fb6becb4 | 1995 | |
cc377381 LP |
1996 | path = sd_bus_message_get_path(message); |
1997 | if (!path) | |
1998 | return 0; | |
fb6becb4 | 1999 | |
cc377381 LP |
2000 | unit_name_from_dbus_path(path, &unit); |
2001 | if (!unit) | |
2002 | return 0; | |
fb6becb4 | 2003 | |
cc377381 LP |
2004 | session = hashmap_get(m->session_units, unit); |
2005 | if (session) | |
2006 | session_add_to_gc_queue(session); | |
fb6becb4 | 2007 | |
cc377381 LP |
2008 | user = hashmap_get(m->user_units, unit); |
2009 | if (user) | |
2010 | user_add_to_gc_queue(user); | |
fb6becb4 | 2011 | |
cc377381 LP |
2012 | return 0; |
2013 | } | |
6fa48533 | 2014 | |
cc377381 LP |
2015 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata) { |
2016 | Manager *m = userdata; | |
2017 | Session *session; | |
2018 | Iterator i; | |
2019 | int b, r; | |
943aca8e | 2020 | |
cc377381 | 2021 | assert(bus); |
943aca8e | 2022 | |
cc377381 LP |
2023 | r = sd_bus_message_read(message, "b", &b); |
2024 | if (r < 0) { | |
2025 | log_error("Failed to parse Reloading message: %s", strerror(-r)); | |
2026 | return 0; | |
2027 | } | |
943aca8e | 2028 | |
cc377381 LP |
2029 | if (b) |
2030 | return 0; | |
943aca8e | 2031 | |
cc377381 LP |
2032 | /* systemd finished reloading, let's recheck all our sessions */ |
2033 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
6797c324 | 2034 | |
cc377381 LP |
2035 | HASHMAP_FOREACH(session, m->sessions, i) |
2036 | session_add_to_gc_queue(session); | |
6797c324 | 2037 | |
cc377381 LP |
2038 | return 0; |
2039 | } | |
943aca8e | 2040 | |
cc377381 LP |
2041 | int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
2042 | const char *name, *old, *new; | |
2043 | Manager *m = userdata; | |
2044 | Session *session; | |
2045 | Iterator i; | |
2046 | int r; | |
943aca8e | 2047 | |
6797c324 | 2048 | |
cc377381 | 2049 | char *key; |
e8b212fe | 2050 | |
cc377381 LP |
2051 | r = sd_bus_message_read(message, "sss", &name, &old, &new); |
2052 | if (r < 0) { | |
2053 | log_error("Failed to parse NameOwnerChanged message: %s", strerror(-r)); | |
2054 | return 0; | |
2055 | } | |
e8b212fe | 2056 | |
cc377381 LP |
2057 | if (isempty(old) || !isempty(new)) |
2058 | return 0; | |
e8b212fe | 2059 | |
cc377381 LP |
2060 | key = set_remove(m->busnames, (char*) old); |
2061 | if (!key) | |
2062 | return 0; | |
ae5e06bd | 2063 | |
cc377381 | 2064 | /* Drop all controllers owned by this name */ |
ae5e06bd | 2065 | |
cc377381 | 2066 | free(key); |
1713813d | 2067 | |
cc377381 LP |
2068 | HASHMAP_FOREACH(session, m->sessions, i) |
2069 | if (session_is_controller(session, old)) | |
2070 | session_drop_controller(session); | |
1713813d | 2071 | |
cc377381 | 2072 | return 0; |
1713813d LP |
2073 | } |
2074 | ||
cc377381 LP |
2075 | int manager_send_changed(Manager *manager, const char *property, ...) { |
2076 | char **l; | |
9418f147 LP |
2077 | |
2078 | assert(manager); | |
2079 | ||
cc377381 | 2080 | l = strv_from_stdarg_alloca(property); |
9418f147 | 2081 | |
cc377381 LP |
2082 | return sd_bus_emit_properties_changed_strv( |
2083 | manager->bus, | |
2084 | "/org/freedesktop/login1", | |
2085 | "org.freedesktop.login1.Manager", | |
2086 | l); | |
9418f147 | 2087 | } |
eecd1362 | 2088 | |
d889a206 | 2089 | int manager_dispatch_delayed(Manager *manager) { |
cc377381 | 2090 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
eecd1362 LP |
2091 | int r; |
2092 | ||
2093 | assert(manager); | |
2094 | ||
84286536 | 2095 | if (manager->action_what == 0 || manager->action_job) |
eecd1362 LP |
2096 | return 0; |
2097 | ||
2098 | /* Continue delay? */ | |
314b4b0a | 2099 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) { |
eecd1362 | 2100 | |
314b4b0a LP |
2101 | if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC)) |
2102 | return 0; | |
af9792ac | 2103 | |
314b4b0a LP |
2104 | log_info("Delay lock is active but inhibitor timeout is reached."); |
2105 | } | |
eecd1362 | 2106 | |
314b4b0a | 2107 | /* Actually do the operation */ |
314b4b0a | 2108 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); |
eecd1362 | 2109 | if (r < 0) { |
cc377381 | 2110 | log_warning("Failed to send delayed message: %s", bus_error_message(&error, r)); |
314b4b0a LP |
2111 | |
2112 | manager->action_unit = NULL; | |
2113 | manager->action_what = 0; | |
eecd1362 LP |
2114 | return r; |
2115 | } | |
2116 | ||
eecd1362 LP |
2117 | return 1; |
2118 | } | |
fb6becb4 LP |
2119 | |
2120 | int manager_start_scope( | |
2121 | Manager *manager, | |
2122 | const char *scope, | |
2123 | pid_t pid, | |
2124 | const char *slice, | |
2125 | const char *description, | |
7fb3ee51 | 2126 | const char *after, |
405e0255 | 2127 | const char *kill_mode, |
cc377381 | 2128 | sd_bus_error *error, |
fb6becb4 LP |
2129 | char **job) { |
2130 | ||
cc377381 LP |
2131 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
2132 | int r; | |
fb6becb4 LP |
2133 | |
2134 | assert(manager); | |
2135 | assert(scope); | |
2136 | assert(pid > 1); | |
2137 | ||
cc377381 LP |
2138 | r = sd_bus_message_new_method_call( |
2139 | manager->bus, | |
fb6becb4 LP |
2140 | "org.freedesktop.systemd1", |
2141 | "/org/freedesktop/systemd1", | |
2142 | "org.freedesktop.systemd1.Manager", | |
cc377381 LP |
2143 | "StartTransientUnit", |
2144 | &m); | |
2145 | if (r < 0) | |
2146 | return r; | |
fb6becb4 | 2147 | |
cc377381 LP |
2148 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
2149 | if (r < 0) | |
2150 | return r; | |
fb6becb4 | 2151 | |
cc377381 LP |
2152 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
2153 | if (r < 0) | |
2154 | return r; | |
fb6becb4 LP |
2155 | |
2156 | if (!isempty(slice)) { | |
cc377381 LP |
2157 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
2158 | if (r < 0) | |
2159 | return r; | |
fb6becb4 LP |
2160 | } |
2161 | ||
2162 | if (!isempty(description)) { | |
cc377381 LP |
2163 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
2164 | if (r < 0) | |
2165 | return r; | |
fb6becb4 LP |
2166 | } |
2167 | ||
cc377381 LP |
2168 | if (!isempty(description)) { |
2169 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); | |
2170 | if (r < 0) | |
2171 | return r; | |
7fb3ee51 LP |
2172 | } |
2173 | ||
405e0255 | 2174 | if (!isempty(kill_mode)) { |
cc377381 LP |
2175 | r = sd_bus_message_append(m, "(sv)", "KillMode", "s", kill_mode); |
2176 | if (r < 0) | |
2177 | return r; | |
405e0255 LP |
2178 | } |
2179 | ||
fb6becb4 LP |
2180 | /* cgroup empty notification is not available in containers |
2181 | * currently. To make this less problematic, let's shorten the | |
2182 | * stop timeout for sessions, so that we don't wait | |
2183 | * forever. */ | |
2184 | ||
cc377381 LP |
2185 | r = sd_bus_message_append(m, "(sv)", "TimeoutStopUSec", "t", 500 * USEC_PER_MSEC); |
2186 | if (r < 0) | |
2187 | return r; | |
fb6becb4 | 2188 | |
743e8945 LP |
2189 | /* Make sure that the session shells are terminated with |
2190 | * SIGHUP since bash and friends tend to ignore SIGTERM */ | |
cc377381 LP |
2191 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
2192 | if (r < 0) | |
2193 | return r; | |
2194 | ||
2195 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
2196 | if (r < 0) | |
2197 | return r; | |
2198 | ||
2199 | r = sd_bus_message_close_container(m); | |
2200 | if (r < 0) | |
2201 | return r; | |
2202 | ||
2203 | r = sd_bus_send_with_reply_and_block(manager->bus, m, 0, error, &reply); | |
2204 | if (r < 0) | |
2205 | return r; | |
fb6becb4 LP |
2206 | |
2207 | if (job) { | |
2208 | const char *j; | |
2209 | char *copy; | |
2210 | ||
cc377381 LP |
2211 | r = sd_bus_message_read(reply, "o", &j); |
2212 | if (r < 0) | |
2213 | return r; | |
fb6becb4 LP |
2214 | |
2215 | copy = strdup(j); | |
2216 | if (!copy) | |
2217 | return -ENOMEM; | |
2218 | ||
2219 | *job = copy; | |
2220 | } | |
2221 | ||
cc377381 | 2222 | return 1; |
fb6becb4 LP |
2223 | } |
2224 | ||
cc377381 LP |
2225 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
2226 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
fb6becb4 LP |
2227 | int r; |
2228 | ||
2229 | assert(manager); | |
2230 | assert(unit); | |
2231 | ||
cc377381 | 2232 | r = sd_bus_call_method( |
fb6becb4 LP |
2233 | manager->bus, |
2234 | "org.freedesktop.systemd1", | |
2235 | "/org/freedesktop/systemd1", | |
2236 | "org.freedesktop.systemd1.Manager", | |
2237 | "StartUnit", | |
fb6becb4 | 2238 | error, |
cc377381 LP |
2239 | &reply, |
2240 | "ss", unit, "fail"); | |
2241 | if (r < 0) | |
fb6becb4 | 2242 | return r; |
fb6becb4 LP |
2243 | |
2244 | if (job) { | |
2245 | const char *j; | |
2246 | char *copy; | |
2247 | ||
cc377381 LP |
2248 | r = sd_bus_message_read(reply, "o", &j); |
2249 | if (r < 0) | |
2250 | return r; | |
fb6becb4 LP |
2251 | |
2252 | copy = strdup(j); | |
2253 | if (!copy) | |
2254 | return -ENOMEM; | |
2255 | ||
2256 | *job = copy; | |
2257 | } | |
2258 | ||
cc377381 | 2259 | return 1; |
fb6becb4 LP |
2260 | } |
2261 | ||
cc377381 LP |
2262 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
2263 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
fb6becb4 LP |
2264 | int r; |
2265 | ||
2266 | assert(manager); | |
2267 | assert(unit); | |
2268 | ||
cc377381 | 2269 | r = sd_bus_call_method( |
fb6becb4 LP |
2270 | manager->bus, |
2271 | "org.freedesktop.systemd1", | |
2272 | "/org/freedesktop/systemd1", | |
2273 | "org.freedesktop.systemd1.Manager", | |
2274 | "StopUnit", | |
fb6becb4 | 2275 | error, |
cc377381 LP |
2276 | &reply, |
2277 | "ss", unit, "fail"); | |
fb6becb4 | 2278 | if (r < 0) { |
cc377381 LP |
2279 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
2280 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
2281 | |
2282 | if (job) | |
2283 | *job = NULL; | |
2284 | ||
cc377381 | 2285 | sd_bus_error_free(error); |
6797c324 LP |
2286 | return 0; |
2287 | } | |
2288 | ||
fb6becb4 LP |
2289 | return r; |
2290 | } | |
2291 | ||
2292 | if (job) { | |
2293 | const char *j; | |
2294 | char *copy; | |
2295 | ||
cc377381 LP |
2296 | r = sd_bus_message_read(reply, "o", &j); |
2297 | if (r < 0) | |
2298 | return r; | |
fb6becb4 LP |
2299 | |
2300 | copy = strdup(j); | |
2301 | if (!copy) | |
2302 | return -ENOMEM; | |
2303 | ||
2304 | *job = copy; | |
2305 | } | |
2306 | ||
6797c324 | 2307 | return 1; |
fb6becb4 LP |
2308 | } |
2309 | ||
cc377381 | 2310 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
fb6becb4 LP |
2311 | assert(manager); |
2312 | assert(unit); | |
2313 | ||
cc377381 | 2314 | return sd_bus_call_method( |
fb6becb4 LP |
2315 | manager->bus, |
2316 | "org.freedesktop.systemd1", | |
2317 | "/org/freedesktop/systemd1", | |
2318 | "org.freedesktop.systemd1.Manager", | |
2319 | "KillUnit", | |
fb6becb4 | 2320 | error, |
cc377381 LP |
2321 | NULL, |
2322 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
fb6becb4 LP |
2323 | } |
2324 | ||
2325 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
cc377381 LP |
2326 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
2327 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
fb6becb4 | 2328 | _cleanup_free_ char *path = NULL; |
fb6becb4 | 2329 | const char *state; |
fb6becb4 LP |
2330 | int r; |
2331 | ||
2332 | assert(manager); | |
2333 | assert(unit); | |
2334 | ||
fb6becb4 LP |
2335 | path = unit_dbus_path_from_name(unit); |
2336 | if (!path) | |
2337 | return -ENOMEM; | |
2338 | ||
cc377381 | 2339 | r = sd_bus_get_property( |
fb6becb4 LP |
2340 | manager->bus, |
2341 | "org.freedesktop.systemd1", | |
2342 | path, | |
cc377381 LP |
2343 | "org.freedesktop.systemd1.Unit", |
2344 | "ActiveState", | |
fb6becb4 | 2345 | &error, |
cc377381 LP |
2346 | &reply, |
2347 | "s"); | |
fb6becb4 | 2348 | if (r < 0) { |
cc377381 LP |
2349 | /* systemd might have droppped off momentarily, let's |
2350 | * not make this an error */ | |
2351 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
2352 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 2353 | return true; |
6797c324 | 2354 | |
cc377381 LP |
2355 | /* If the unit is already unloaded then it's not |
2356 | * active */ | |
2357 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || | |
2358 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 2359 | return false; |
6797c324 | 2360 | |
fb6becb4 LP |
2361 | return r; |
2362 | } | |
2363 | ||
cc377381 LP |
2364 | r = sd_bus_message_read(reply, "s", &state); |
2365 | if (r < 0) | |
fb6becb4 | 2366 | return -EINVAL; |
fb6becb4 | 2367 | |
cc377381 LP |
2368 | return !streq(state, "inactive") && !streq(state, "failed"); |
2369 | } | |
2370 | ||
2371 | int manager_job_is_active(Manager *manager, const char *path) { | |
2372 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2373 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2374 | int r; | |
2375 | ||
2376 | assert(manager); | |
2377 | assert(path); | |
2378 | ||
2379 | r = sd_bus_get_property( | |
2380 | manager->bus, | |
2381 | "org.freedesktop.systemd1", | |
2382 | path, | |
2383 | "org.freedesktop.systemd1.Job", | |
2384 | "State", | |
2385 | &error, | |
2386 | &reply, | |
2387 | "s"); | |
2388 | if (r < 0) { | |
2389 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
2390 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
2391 | return true; | |
2392 | ||
2393 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
2394 | return false; | |
2395 | ||
2396 | return r; | |
fb6becb4 LP |
2397 | } |
2398 | ||
cc377381 LP |
2399 | /* We don't actually care about the state really. The fact |
2400 | * that we could read the job state is enough for us */ | |
fb6becb4 | 2401 | |
cc377381 | 2402 | return true; |
fb6becb4 | 2403 | } |