D-Bus 1.12.4

dbus-transport.c
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* dbus-transport.c DBusTransport object (internal to D-Bus implementation)
3 *
4 * Copyright (C) 2002, 2003 Red Hat Inc.
5 *
6 * Licensed under the Academic Free License version 2.1
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24#include <config.h>
25#include "dbus-transport-protected.h"
26#include "dbus-transport-unix.h"
27#include "dbus-transport-socket.h"
28#include "dbus-connection-internal.h"
29#include "dbus-watch.h"
30#include "dbus-auth.h"
31#include "dbus-address.h"
32#include "dbus-credentials.h"
33#include "dbus-mainloop.h"
34#include "dbus-message.h"
35#ifdef DBUS_ENABLE_EMBEDDED_TESTS
36#include "dbus-server-debug-pipe.h"
37#endif
38
60 static void
61live_messages_notify (DBusCounter *counter,
62 void *user_data)
63{
64 DBusTransport *transport = user_data;
65
66 _dbus_connection_lock (transport->connection);
67 _dbus_transport_ref (transport);
68
69#if 0
70 _dbus_verbose ("Size counter value is now %d\n",
71 (int) _dbus_counter_get_size_value (counter));
72 _dbus_verbose ("Unix FD counter value is now %d\n",
73 (int) _dbus_counter_get_unix_fd_value (counter));
74#endif
75
76 /* disable or re-enable the read watch for the transport if
77 * required.
78 */
79 if (transport->vtable->live_messages_changed)
80 {
81 (* transport->vtable->live_messages_changed) (transport);
82 }
83
84 _dbus_transport_unref (transport);
85 _dbus_connection_unlock (transport->connection);
86}
87
101 dbus_bool_t
102_dbus_transport_init_base (DBusTransport *transport,
103 const DBusTransportVTable *vtable,
104 const DBusString *server_guid,
105 const DBusString *address)
106{
107 DBusMessageLoader *loader;
108 DBusAuth *auth;
109 DBusCounter *counter;
110 char *address_copy;
111 DBusCredentials *creds;
112
113 loader = _dbus_message_loader_new ();
114 if (loader == NULL)
115 return FALSE;
116
117 if (server_guid)
118 auth = _dbus_auth_server_new (server_guid);
119 else
120 auth = _dbus_auth_client_new ();
121 if (auth == NULL)
122 {
123 _dbus_message_loader_unref (loader);
124 return FALSE;
125 }
126
127 counter = _dbus_counter_new ();
128 if (counter == NULL)
129 {
130 _dbus_auth_unref (auth);
131 _dbus_message_loader_unref (loader);
132 return FALSE;
133 }
134
135 creds = _dbus_credentials_new ();
136 if (creds == NULL)
137 {
138 _dbus_counter_unref (counter);
139 _dbus_auth_unref (auth);
140 _dbus_message_loader_unref (loader);
141 return FALSE;
142 }
143
144 if (server_guid)
145 {
146 _dbus_assert (address == NULL);
147 address_copy = NULL;
148 }
149 else
150 {
151 _dbus_assert (address != NULL);
152
153 if (!_dbus_string_copy_data (address, &address_copy))
154 {
155 _dbus_credentials_unref (creds);
156 _dbus_counter_unref (counter);
157 _dbus_auth_unref (auth);
158 _dbus_message_loader_unref (loader);
159 return FALSE;
160 }
161 }
162
163 transport->refcount = 1;
164 transport->vtable = vtable;
165 transport->loader = loader;
166 transport->auth = auth;
167 transport->live_messages = counter;
168 transport->authenticated = FALSE;
169 transport->disconnected = FALSE;
170 transport->is_server = (server_guid != NULL);
171 transport->send_credentials_pending = !transport->is_server;
172 transport->receive_credentials_pending = transport->is_server;
173 transport->address = address_copy;
174
175 transport->unix_user_function = NULL;
176 transport->unix_user_data = NULL;
177 transport->free_unix_user_data = NULL;
178
179 transport->windows_user_function = NULL;
180 transport->windows_user_data = NULL;
181 transport->free_windows_user_data = NULL;
182
183 transport->expected_guid = NULL;
184
185 /* Try to default to something that won't totally hose the system,
186 * but doesn't impose too much of a limitation.
187 */
188 transport->max_live_messages_size = _DBUS_ONE_MEGABYTE * 63;
189
190 /* On Linux RLIMIT_NOFILE defaults to 1024, so allowing 4096 fds live
191 should be more than enough */
192 transport->max_live_messages_unix_fds = 4096;
193
194 /* credentials read from socket if any */
195 transport->credentials = creds;
196
197 _dbus_counter_set_notify (transport->live_messages,
198 transport->max_live_messages_size,
199 transport->max_live_messages_unix_fds,
200 live_messages_notify,
201 transport);
202
203 if (transport->address)
204 _dbus_verbose ("Initialized transport on address %s\n", transport->address);
205
206 return TRUE;
207}
208
215 void
216_dbus_transport_finalize_base (DBusTransport *transport)
217{
218 if (!transport->disconnected)
219 _dbus_transport_disconnect (transport);
220
221 if (transport->free_unix_user_data != NULL)
222 (* transport->free_unix_user_data) (transport->unix_user_data);
223
224 if (transport->free_windows_user_data != NULL)
225 (* transport->free_windows_user_data) (transport->windows_user_data);
226
227 _dbus_message_loader_unref (transport->loader);
228 _dbus_auth_unref (transport->auth);
229 _dbus_counter_set_notify (transport->live_messages,
230 0, 0, NULL, NULL);
231 _dbus_counter_unref (transport->live_messages);
232 dbus_free (transport->address);
233 dbus_free (transport->expected_guid);
234 if (transport->credentials)
235 _dbus_credentials_unref (transport->credentials);
236}
237
238
249 static DBusTransport*
250check_address (const char *address, DBusError *error)
251{
252 DBusAddressEntry **entries;
253 DBusTransport *transport = NULL;
254 int len, i;
255
256 _dbus_assert (address != NULL);
257 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
258
259 if (!dbus_parse_address (address, &entries, &len, error))
260 return NULL; /* not a valid address */
261
262 for (i = 0; i < len; i++)
263 {
264 dbus_error_free (error);
265 transport = _dbus_transport_open (entries[i], error);
266
267 if (transport != NULL)
268 break;
269 }
270
271 dbus_address_entries_free (entries);
272 return transport;
273}
274
283 static DBusTransport*
284_dbus_transport_new_for_autolaunch (const char *scope, DBusError *error)
285{
286 DBusString address;
287 DBusTransport *result = NULL;
288
289 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
290
291 if (!_dbus_string_init (&address))
292 {
293 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
294 return NULL;
295 }
296
297 if (!_dbus_get_autolaunch_address (scope, &address, error))
298 {
299 _DBUS_ASSERT_ERROR_IS_SET (error);
300 goto out;
301 }
302
303 result = check_address (_dbus_string_get_const_data (&address), error);
304 if (result == NULL)
305 _DBUS_ASSERT_ERROR_IS_SET (error);
306 else
307 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
308
309 out:
310 _dbus_string_free (&address);
311 return result;
312}
313
314 static DBusTransportOpenResult
315_dbus_transport_open_autolaunch (DBusAddressEntry *entry,
316 DBusTransport **transport_p,
317 DBusError *error)
318{
319 const char *method;
320
321 method = dbus_address_entry_get_method (entry);
322 _dbus_assert (method != NULL);
323
324 if (strcmp (method, "autolaunch") == 0)
325 {
326 const char *scope = dbus_address_entry_get_value (entry, "scope");
327
328 *transport_p = _dbus_transport_new_for_autolaunch (scope, error);
329
330 if (*transport_p == NULL)
331 {
332 _DBUS_ASSERT_ERROR_IS_SET (error);
333 return DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT;
334 }
335 else
336 {
337 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
338 return DBUS_TRANSPORT_OPEN_OK;
339 }
340 }
341 else
342 {
343 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
344 return DBUS_TRANSPORT_OPEN_NOT_HANDLED;
345 }
346}
347
348 static const struct {
349 DBusTransportOpenResult (* func) (DBusAddressEntry *entry,
350 DBusTransport **transport_p,
351 DBusError *error);
352} open_funcs[] = {
353 { _dbus_transport_open_socket },
354 { _dbus_transport_open_platform_specific },
355 { _dbus_transport_open_autolaunch }
356#ifdef DBUS_ENABLE_EMBEDDED_TESTS
357 , { _dbus_transport_open_debug_pipe }
358#endif
359};
360
369 DBusTransport*
370_dbus_transport_open (DBusAddressEntry *entry,
371 DBusError *error)
372{
373 DBusTransport *transport;
374 const char *expected_guid_orig;
375 char *expected_guid;
376 int i;
377 DBusError tmp_error = DBUS_ERROR_INIT;
378
379 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
380
381 transport = NULL;
382 expected_guid_orig = dbus_address_entry_get_value (entry, "guid");
383 expected_guid = _dbus_strdup (expected_guid_orig);
384
385 if (expected_guid_orig != NULL && expected_guid == NULL)
386 {
387 _DBUS_SET_OOM (error);
388 return NULL;
389 }
390
391 for (i = 0; i < (int) _DBUS_N_ELEMENTS (open_funcs); ++i)
392 {
393 DBusTransportOpenResult result;
394
395 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
396 result = (* open_funcs[i].func) (entry, &transport, &tmp_error);
397
398 switch (result)
399 {
400 case DBUS_TRANSPORT_OPEN_OK:
401 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
402 goto out;
403 break;
404 case DBUS_TRANSPORT_OPEN_NOT_HANDLED:
405 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
406 /* keep going through the loop of open funcs */
407 break;
408 case DBUS_TRANSPORT_OPEN_BAD_ADDRESS:
409 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
410 goto out;
411 break;
412 case DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT:
413 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
414 goto out;
415 break;
416 default:
417 _dbus_assert_not_reached ("invalid transport open result");
418 break;
419 }
420 }
421
422 out:
423
424 if (transport == NULL)
425 {
426 if (!dbus_error_is_set (&tmp_error))
427 _dbus_set_bad_address (&tmp_error,
428 NULL, NULL,
429 "Unknown address type (examples of valid types are \"tcp\" and on UNIX \"unix\")");
430
431 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
432 dbus_move_error(&tmp_error, error);
433 dbus_free (expected_guid);
434 }
435 else
436 {
437 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
438
439 /* In the case of autostart the initial guid is NULL
440 * and the autostart transport recursively calls
441 * _dbus_open_transport wich returns a transport
442 * with a guid. That guid is the definitive one.
443 *
444 * FIXME: if more transports are added they may have
445 * an effect on the expected_guid semantics (i.e.
446 * expected_guid and transport->expected_guid may
447 * both have values). This is very unlikely though
448 * we should either throw asserts here for those
449 * corner cases or refactor the code so it is
450 * clearer on what is expected and what is not
451 */
452 if(expected_guid)
453 transport->expected_guid = expected_guid;
454 }
455
456 return transport;
457}
458
465 DBusTransport *
466_dbus_transport_ref (DBusTransport *transport)
467{
468 _dbus_assert (transport->refcount > 0);
469
470 transport->refcount += 1;
471
472 return transport;
473}
474
482 void
483_dbus_transport_unref (DBusTransport *transport)
484{
485 _dbus_assert (transport != NULL);
486 _dbus_assert (transport->refcount > 0);
487
488 transport->refcount -= 1;
489 if (transport->refcount == 0)
490 {
491 _dbus_verbose ("finalizing\n");
492
493 _dbus_assert (transport->vtable->finalize != NULL);
494
495 (* transport->vtable->finalize) (transport);
496 }
497}
498
507 void
508_dbus_transport_disconnect (DBusTransport *transport)
509{
510 _dbus_verbose ("start\n");
511
512 _dbus_assert (transport->vtable->disconnect != NULL);
513
514 if (transport->disconnected)
515 return;
516
517 (* transport->vtable->disconnect) (transport);
518
519 transport->disconnected = TRUE;
520
521 _dbus_verbose ("end\n");
522}
523
532 dbus_bool_t
533_dbus_transport_get_is_connected (DBusTransport *transport)
534{
535 return !transport->disconnected;
536}
537
538 static dbus_bool_t
539auth_via_unix_user_function (DBusTransport *transport)
540{
541 DBusCredentials *auth_identity;
542 dbus_bool_t allow;
543 DBusConnection *connection;
544 DBusAllowUnixUserFunction unix_user_function;
545 void *unix_user_data;
546 dbus_uid_t uid;
547
548 /* Dropping the lock here probably isn't that safe. */
549
550 auth_identity = _dbus_auth_get_identity (transport->auth);
551 _dbus_assert (auth_identity != NULL);
552
553 connection = transport->connection;
554 unix_user_function = transport->unix_user_function;
555 unix_user_data = transport->unix_user_data;
556 uid = _dbus_credentials_get_unix_uid (auth_identity);
557
558 _dbus_verbose ("unlock\n");
559 _dbus_connection_unlock (connection);
560
561 allow = (* unix_user_function) (connection,
562 uid,
563 unix_user_data);
564
565 _dbus_verbose ("lock post unix user function\n");
566 _dbus_connection_lock (connection);
567
568 if (allow)
569 {
570 _dbus_verbose ("Client UID "DBUS_UID_FORMAT" authorized\n", uid);
571 }
572 else
573 {
574 _dbus_verbose ("Client UID "DBUS_UID_FORMAT
575 " was rejected, disconnecting\n",
576 _dbus_credentials_get_unix_uid (auth_identity));
577 _dbus_transport_disconnect (transport);
578 }
579
580 return allow;
581}
582
583 static dbus_bool_t
584auth_via_windows_user_function (DBusTransport *transport)
585{
586 DBusCredentials *auth_identity;
587 dbus_bool_t allow;
588 DBusConnection *connection;
589 DBusAllowWindowsUserFunction windows_user_function;
590 void *windows_user_data;
591 char *windows_sid;
592
593 /* Dropping the lock here probably isn't that safe. */
594
595 auth_identity = _dbus_auth_get_identity (transport->auth);
596 _dbus_assert (auth_identity != NULL);
597
598 connection = transport->connection;
599 windows_user_function = transport->windows_user_function;
600 windows_user_data = transport->unix_user_data;
601 windows_sid = _dbus_strdup (_dbus_credentials_get_windows_sid (auth_identity));
602
603 if (windows_sid == NULL)
604 {
605 /* OOM */
606 return FALSE;
607 }
608
609 _dbus_verbose ("unlock\n");
610 _dbus_connection_unlock (connection);
611
612 allow = (* windows_user_function) (connection,
613 windows_sid,
614 windows_user_data);
615
616 _dbus_verbose ("lock post windows user function\n");
617 _dbus_connection_lock (connection);
618
619 if (allow)
620 {
621 _dbus_verbose ("Client SID '%s' authorized\n", windows_sid);
622 }
623 else
624 {
625 _dbus_verbose ("Client SID '%s' was rejected, disconnecting\n",
626 _dbus_credentials_get_windows_sid (auth_identity));
627 _dbus_transport_disconnect (transport);
628 }
629
630 return allow;
631}
632
633 static dbus_bool_t
634auth_via_default_rules (DBusTransport *transport)
635{
636 DBusCredentials *auth_identity;
637 DBusCredentials *our_identity;
638 dbus_bool_t allow;
639
640 auth_identity = _dbus_auth_get_identity (transport->auth);
641 _dbus_assert (auth_identity != NULL);
642
643 /* By default, connection is allowed if the client is 1) root or 2)
644 * has the same UID as us or 3) anonymous is allowed.
645 */
646
647 our_identity = _dbus_credentials_new_from_current_process ();
648 if (our_identity == NULL)
649 {
650 /* OOM */
651 return FALSE;
652 }
653
654 if (transport->allow_anonymous ||
655 _dbus_credentials_get_unix_uid (auth_identity) == 0 ||
656 _dbus_credentials_same_user (our_identity,
657 auth_identity))
658 {
659 if (_dbus_credentials_include(our_identity,DBUS_CREDENTIAL_WINDOWS_SID))
660 _dbus_verbose ("Client authorized as SID '%s'"
661 "matching our SID '%s'\n",
662 _dbus_credentials_get_windows_sid(auth_identity),
663 _dbus_credentials_get_windows_sid(our_identity));
664 else
665 _dbus_verbose ("Client authorized as UID "DBUS_UID_FORMAT
666 " matching our UID "DBUS_UID_FORMAT"\n",
667 _dbus_credentials_get_unix_uid(auth_identity),
668 _dbus_credentials_get_unix_uid(our_identity));
669 /* We have authenticated! */
670 allow = TRUE;
671 }
672 else
673 {
674 if (_dbus_credentials_include(our_identity,DBUS_CREDENTIAL_WINDOWS_SID))
675 _dbus_verbose ("Client authorized as SID '%s'"
676 " but our SID is '%s', disconnecting\n",
677 (_dbus_credentials_get_windows_sid(auth_identity) ?
678 _dbus_credentials_get_windows_sid(auth_identity) : "<null>"),
679 (_dbus_credentials_get_windows_sid(our_identity) ?
680 _dbus_credentials_get_windows_sid(our_identity) : "<null>"));
681 else
682 _dbus_verbose ("Client authorized as UID "DBUS_UID_FORMAT
683 " but our UID is "DBUS_UID_FORMAT", disconnecting\n",
684 _dbus_credentials_get_unix_uid(auth_identity),
685 _dbus_credentials_get_unix_uid(our_identity));
686 _dbus_transport_disconnect (transport);
687 allow = FALSE;
688 }
689
690 _dbus_credentials_unref (our_identity);
691
692 return allow;
693}
694
706 dbus_bool_t
707_dbus_transport_peek_is_authenticated (DBusTransport *transport)
708{
709 return transport->authenticated;
710}
711
729 dbus_bool_t
730_dbus_transport_try_to_authenticate (DBusTransport *transport)
731{
732 if (transport->authenticated)
733 return TRUE;
734 else
735 {
736 dbus_bool_t maybe_authenticated;
737
738 if (transport->disconnected)
739 return FALSE;
740
741 /* paranoia ref since we call user callbacks sometimes */
742 _dbus_connection_ref_unlocked (transport->connection);
743
744 maybe_authenticated =
745 (!(transport->send_credentials_pending ||
746 transport->receive_credentials_pending));
747
748 if (maybe_authenticated)
749 {
750 switch (_dbus_auth_do_work (transport->auth))
751 {
752 case DBUS_AUTH_STATE_AUTHENTICATED:
753 /* leave as maybe_authenticated */
754 break;
755
756 case DBUS_AUTH_STATE_WAITING_FOR_INPUT:
757 case DBUS_AUTH_STATE_WAITING_FOR_MEMORY:
758 case DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND:
759 case DBUS_AUTH_STATE_NEED_DISCONNECT:
760 maybe_authenticated = FALSE;
761 break;
762
763 case DBUS_AUTH_STATE_INVALID:
764 default:
765 _dbus_assert_not_reached ("invalid authentication state");
766 }
767 }
768
769 /* If we're the client, verify the GUID
770 */
771 if (maybe_authenticated && !transport->is_server)
772 {
773 const char *server_guid;
774
775 server_guid = _dbus_auth_get_guid_from_server (transport->auth);
776 _dbus_assert (server_guid != NULL);
777
778 if (transport->expected_guid &&
779 strcmp (transport->expected_guid, server_guid) != 0)
780 {
781 _dbus_verbose ("Client expected GUID '%s' and we got '%s' from the server\n",
782 transport->expected_guid, server_guid);
783 _dbus_transport_disconnect (transport);
784 _dbus_connection_unref_unlocked (transport->connection);
785 return FALSE;
786 }
787 }
788
789 /* If we're the server, see if we want to allow this identity to proceed.
790 */
791 if (maybe_authenticated && transport->is_server)
792 {
793 dbus_bool_t allow;
794 DBusCredentials *auth_identity;
795
796 auth_identity = _dbus_auth_get_identity (transport->auth);
797 _dbus_assert (auth_identity != NULL);
798
799 /* If we have an auth'd user and a user function, delegate
800 * deciding whether auth credentials are good enough to the
801 * app; otherwise, use our default decision process.
802 */
803 if (transport->unix_user_function != NULL &&
804 _dbus_credentials_include (auth_identity, DBUS_CREDENTIAL_UNIX_USER_ID))
805 {
806 allow = auth_via_unix_user_function (transport);
807 }
808 else if (transport->windows_user_function != NULL &&
809 _dbus_credentials_include (auth_identity, DBUS_CREDENTIAL_WINDOWS_SID))
810 {
811 allow = auth_via_windows_user_function (transport);
812 }
813 else
814 {
815 allow = auth_via_default_rules (transport);
816 }
817
818 if (!allow)
819 maybe_authenticated = FALSE;
820 }
821
822 transport->authenticated = maybe_authenticated;
823
824 _dbus_connection_unref_unlocked (transport->connection);
825 return maybe_authenticated;
826 }
827}
828
835 dbus_bool_t
836_dbus_transport_get_is_anonymous (DBusTransport *transport)
837{
838 DBusCredentials *auth_identity;
839
840 if (!transport->authenticated)
841 return TRUE;
842
843 auth_identity = _dbus_auth_get_identity (transport->auth);
844
845 if (_dbus_credentials_are_anonymous (auth_identity))
846 return TRUE;
847 else
848 return FALSE;
849}
850
857 dbus_bool_t
858_dbus_transport_can_pass_unix_fd(DBusTransport *transport)
859{
860 return DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport);
861}
862
870 const char*
871_dbus_transport_get_address (DBusTransport *transport)
872{
873 return transport->address;
874}
875
883 const char*
884_dbus_transport_get_server_id (DBusTransport *transport)
885{
886 if (transport->is_server)
887 return NULL;
888 else if (transport->authenticated)
889 return _dbus_auth_get_guid_from_server (transport->auth);
890 else
891 return transport->expected_guid;
892}
893
903 dbus_bool_t
904_dbus_transport_handle_watch (DBusTransport *transport,
905 DBusWatch *watch,
906 unsigned int condition)
907{
908 dbus_bool_t retval;
909
910 _dbus_assert (transport->vtable->handle_watch != NULL);
911
912 if (transport->disconnected)
913 return TRUE;
914
915 if (dbus_watch_get_socket (watch) < 0)
916 {
917 _dbus_warn_check_failed ("Tried to handle an invalidated watch; this watch should have been removed");
918 return TRUE;
919 }
920
921 _dbus_watch_sanitize_condition (watch, &condition);
922
923 _dbus_transport_ref (transport);
924 _dbus_watch_ref (watch);
925 retval = (* transport->vtable->handle_watch) (transport, watch, condition);
926 _dbus_watch_unref (watch);
927 _dbus_transport_unref (transport);
928
929 return retval;
930}
931
941 dbus_bool_t
942_dbus_transport_set_connection (DBusTransport *transport,
943 DBusConnection *connection)
944{
945 _dbus_assert (transport->vtable->connection_set != NULL);
946 _dbus_assert (transport->connection == NULL);
947
948 transport->connection = connection;
949
950 _dbus_transport_ref (transport);
951 if (!(* transport->vtable->connection_set) (transport))
952 transport->connection = NULL;
953 _dbus_transport_unref (transport);
954
955 return transport->connection != NULL;
956}
957
965 dbus_bool_t
966_dbus_transport_get_socket_fd (DBusTransport *transport,
967 DBusSocket *fd_p)
968{
969 dbus_bool_t retval;
970
971 if (transport->vtable->get_socket_fd == NULL)
972 return FALSE;
973
974 if (transport->disconnected)
975 return FALSE;
976
977 _dbus_transport_ref (transport);
978
979 retval = (* transport->vtable->get_socket_fd) (transport,
980 fd_p);
981
982 _dbus_transport_unref (transport);
983
984 return retval;
985}
986
998 void
999_dbus_transport_do_iteration (DBusTransport *transport,
1000 unsigned int flags,
1001 int timeout_milliseconds)
1002{
1003 _dbus_assert (transport->vtable->do_iteration != NULL);
1004
1005 _dbus_verbose ("Transport iteration flags 0x%x timeout %d connected = %d\n",
1006 flags, timeout_milliseconds, !transport->disconnected);
1007
1008 if ((flags & (DBUS_ITERATION_DO_WRITING |
1009 DBUS_ITERATION_DO_READING)) == 0)
1010 return; /* Nothing to do */
1011
1012 if (transport->disconnected)
1013 return;
1014
1015 _dbus_transport_ref (transport);
1016 (* transport->vtable->do_iteration) (transport, flags,
1017 timeout_milliseconds);
1018 _dbus_transport_unref (transport);
1019
1020 _dbus_verbose ("end\n");
1021}
1022
1023 static dbus_bool_t
1024recover_unused_bytes (DBusTransport *transport)
1025{
1026 if (_dbus_auth_needs_decoding (transport->auth))
1027 {
1028 DBusString plaintext;
1029 const DBusString *encoded;
1030 DBusString *buffer;
1031 int orig_len;
1032
1033 if (!_dbus_string_init (&plaintext))
1034 goto nomem;
1035
1036 _dbus_auth_get_unused_bytes (transport->auth,
1037 &encoded);
1038
1039 if (!_dbus_auth_decode_data (transport->auth,
1040 encoded, &plaintext))
1041 {
1042 _dbus_string_free (&plaintext);
1043 goto nomem;
1044 }
1045
1046 _dbus_message_loader_get_buffer (transport->loader,
1047 &buffer,
1048 NULL,
1049 NULL);
1050
1051 orig_len = _dbus_string_get_length (buffer);
1052
1053 if (!_dbus_string_move (&plaintext, 0, buffer,
1054 orig_len))
1055 {
1056 _dbus_string_free (&plaintext);
1057 goto nomem;
1058 }
1059
1060 _dbus_verbose (" %d unused bytes sent to message loader\n",
1061 _dbus_string_get_length (buffer) -
1062 orig_len);
1063
1064 _dbus_message_loader_return_buffer (transport->loader,
1065 buffer);
1066
1067 _dbus_auth_delete_unused_bytes (transport->auth);
1068
1069 _dbus_string_free (&plaintext);
1070 }
1071 else
1072 {
1073 const DBusString *bytes;
1074 DBusString *buffer;
1075#ifdef DBUS_ENABLE_VERBOSE_MODE
1076 int orig_len;
1077#endif
1078 dbus_bool_t succeeded;
1079
1080 _dbus_message_loader_get_buffer (transport->loader,
1081 &buffer,
1082 NULL,
1083 NULL);
1084
1085#ifdef DBUS_ENABLE_VERBOSE_MODE
1086 orig_len = _dbus_string_get_length (buffer);
1087#endif
1088
1089 _dbus_auth_get_unused_bytes (transport->auth,
1090 &bytes);
1091
1092 succeeded = TRUE;
1093 if (!_dbus_string_copy (bytes, 0, buffer, _dbus_string_get_length (buffer)))
1094 succeeded = FALSE;
1095
1096 _dbus_verbose (" %d unused bytes sent to message loader\n",
1097 _dbus_string_get_length (buffer) -
1098 orig_len);
1099
1100 _dbus_message_loader_return_buffer (transport->loader,
1101 buffer);
1102
1103 if (succeeded)
1104 _dbus_auth_delete_unused_bytes (transport->auth);
1105 else
1106 goto nomem;
1107 }
1108
1109 return TRUE;
1110
1111 nomem:
1112 _dbus_verbose ("Not enough memory to transfer unused bytes from auth conversation\n");
1113 return FALSE;
1114}
1115
1123 DBusDispatchStatus
1124_dbus_transport_get_dispatch_status (DBusTransport *transport)
1125{
1126 if (_dbus_counter_get_size_value (transport->live_messages) >= transport->max_live_messages_size ||
1127 _dbus_counter_get_unix_fd_value (transport->live_messages) >= transport->max_live_messages_unix_fds)
1128 return DBUS_DISPATCH_COMPLETE; /* complete for now */
1129
1130 if (!_dbus_transport_try_to_authenticate (transport))
1131 {
1132 if (_dbus_auth_do_work (transport->auth) ==
1133 DBUS_AUTH_STATE_WAITING_FOR_MEMORY)
1134 return DBUS_DISPATCH_NEED_MEMORY;
1135 else if (!_dbus_transport_try_to_authenticate (transport))
1136 return DBUS_DISPATCH_COMPLETE;
1137 }
1138
1139 if (!transport->unused_bytes_recovered &&
1140 !recover_unused_bytes (transport))
1141 return DBUS_DISPATCH_NEED_MEMORY;
1142
1143 transport->unused_bytes_recovered = TRUE;
1144
1145 if (!_dbus_message_loader_queue_messages (transport->loader))
1146 return DBUS_DISPATCH_NEED_MEMORY;
1147
1148 if (_dbus_message_loader_peek_message (transport->loader) != NULL)
1149 return DBUS_DISPATCH_DATA_REMAINS;
1150 else
1151 return DBUS_DISPATCH_COMPLETE;
1152}
1153
1162 dbus_bool_t
1163_dbus_transport_queue_messages (DBusTransport *transport)
1164{
1165 DBusDispatchStatus status;
1166
1167#if 0
1168 _dbus_verbose ("enter\n");
1169#endif
1170
1171 /* Queue any messages */
1172 while ((status = _dbus_transport_get_dispatch_status (transport)) == DBUS_DISPATCH_DATA_REMAINS)
1173 {
1174 DBusMessage *message;
1175 DBusList *link;
1176
1177 link = _dbus_message_loader_pop_message_link (transport->loader);
1178 _dbus_assert (link != NULL);
1179
1180 message = link->data;
1181
1182 _dbus_verbose ("queueing received message %p\n", message);
1183
1184 if (!_dbus_message_add_counter (message, transport->live_messages))
1185 {
1186 _dbus_message_loader_putback_message_link (transport->loader,
1187 link);
1188 status = DBUS_DISPATCH_NEED_MEMORY;
1189 break;
1190 }
1191 else
1192 {
1193 /* We didn't call the notify function when we added the counter, so
1194 * catch up now. Since we have the connection's lock, it's desirable
1195 * that we bypass the notify function and call this virtual method
1196 * directly. */
1197 if (transport->vtable->live_messages_changed)
1198 (* transport->vtable->live_messages_changed) (transport);
1199
1200 /* pass ownership of link and message ref to connection */
1201 _dbus_connection_queue_received_message_link (transport->connection,
1202 link);
1203 }
1204 }
1205
1206 if (_dbus_message_loader_get_is_corrupted (transport->loader))
1207 {
1208 _dbus_verbose ("Corrupted message stream, disconnecting\n");
1209 _dbus_transport_disconnect (transport);
1210 }
1211
1212 return status != DBUS_DISPATCH_NEED_MEMORY;
1213}
1214
1221 void
1222_dbus_transport_set_max_message_size (DBusTransport *transport,
1223 long size)
1224{
1225 _dbus_message_loader_set_max_message_size (transport->loader, size);
1226}
1227
1234 void
1235_dbus_transport_set_max_message_unix_fds (DBusTransport *transport,
1236 long n)
1237{
1238 _dbus_message_loader_set_max_message_unix_fds (transport->loader, n);
1239}
1240
1247 long
1248_dbus_transport_get_max_message_size (DBusTransport *transport)
1249{
1250 return _dbus_message_loader_get_max_message_size (transport->loader);
1251}
1252
1259 long
1260_dbus_transport_get_max_message_unix_fds (DBusTransport *transport)
1261{
1262 return _dbus_message_loader_get_max_message_unix_fds (transport->loader);
1263}
1264
1271 void
1272_dbus_transport_set_max_received_size (DBusTransport *transport,
1273 long size)
1274{
1275 transport->max_live_messages_size = size;
1276 _dbus_counter_set_notify (transport->live_messages,
1277 transport->max_live_messages_size,
1278 transport->max_live_messages_unix_fds,
1279 live_messages_notify,
1280 transport);
1281}
1282
1289 void
1290_dbus_transport_set_max_received_unix_fds (DBusTransport *transport,
1291 long n)
1292{
1293 transport->max_live_messages_unix_fds = n;
1294 _dbus_counter_set_notify (transport->live_messages,
1295 transport->max_live_messages_size,
1296 transport->max_live_messages_unix_fds,
1297 live_messages_notify,
1298 transport);
1299}
1300
1307 long
1308_dbus_transport_get_max_received_size (DBusTransport *transport)
1309{
1310 return transport->max_live_messages_size;
1311}
1312
1319 long
1320_dbus_transport_get_max_received_unix_fds (DBusTransport *transport)
1321{
1322 return transport->max_live_messages_unix_fds;
1323}
1324
1332 dbus_bool_t
1333_dbus_transport_get_unix_user (DBusTransport *transport,
1334 unsigned long *uid)
1335{
1336 DBusCredentials *auth_identity;
1337
1338 *uid = _DBUS_INT32_MAX; /* better than some root or system user in
1339 * case of bugs in the caller. Caller should
1340 * never use this value on purpose, however.
1341 */
1342
1343 if (!transport->authenticated)
1344 return FALSE;
1345
1346 auth_identity = _dbus_auth_get_identity (transport->auth);
1347
1348 if (_dbus_credentials_include (auth_identity,
1349 DBUS_CREDENTIAL_UNIX_USER_ID))
1350 {
1351 *uid = _dbus_credentials_get_unix_uid (auth_identity);
1352 return TRUE;
1353 }
1354 else
1355 return FALSE;
1356}
1357
1365 dbus_bool_t
1366_dbus_transport_get_unix_process_id (DBusTransport *transport,
1367 unsigned long *pid)
1368{
1369 DBusCredentials *auth_identity;
1370
1371 *pid = DBUS_PID_UNSET; /* Caller should never use this value on purpose,
1372 * but we set it to a safe number, INT_MAX,
1373 * just to root out possible bugs in bad callers.
1374 */
1375
1376 if (!transport->authenticated)
1377 return FALSE;
1378
1379 auth_identity = _dbus_auth_get_identity (transport->auth);
1380
1381 if (_dbus_credentials_include (auth_identity,
1382 DBUS_CREDENTIAL_UNIX_PROCESS_ID))
1383 {
1384 *pid = _dbus_credentials_get_pid (auth_identity);
1385 return TRUE;
1386 }
1387 else
1388 return FALSE;
1389}
1390
1399 dbus_bool_t
1400_dbus_transport_get_adt_audit_session_data (DBusTransport *transport,
1401 void **data,
1402 int *data_size)
1403{
1404 DBusCredentials *auth_identity;
1405
1406 *data = NULL;
1407 *data_size = 0;
1408
1409 if (!transport->authenticated)
1410 return FALSE;
1411
1412 auth_identity = _dbus_auth_get_identity (transport->auth);
1413
1414 if (_dbus_credentials_include (auth_identity,
1415 DBUS_CREDENTIAL_ADT_AUDIT_DATA_ID))
1416 {
1417 *data = (void *) _dbus_credentials_get_adt_audit_data (auth_identity);
1418 *data_size = _dbus_credentials_get_adt_audit_data_size (auth_identity);
1419 return TRUE;
1420 }
1421 else
1422 return FALSE;
1423}
1424
1435 void
1436_dbus_transport_set_unix_user_function (DBusTransport *transport,
1437 DBusAllowUnixUserFunction function,
1438 void *data,
1439 DBusFreeFunction free_data_function,
1440 void **old_data,
1441 DBusFreeFunction *old_free_data_function)
1442{
1443 *old_data = transport->unix_user_data;
1444 *old_free_data_function = transport->free_unix_user_data;
1445
1446 transport->unix_user_function = function;
1447 transport->unix_user_data = data;
1448 transport->free_unix_user_data = free_data_function;
1449}
1450
1451 dbus_bool_t
1452_dbus_transport_get_linux_security_label (DBusTransport *transport,
1453 char **label_p)
1454{
1455 DBusCredentials *auth_identity;
1456
1457 *label_p = NULL;
1458
1459 if (!transport->authenticated)
1460 return FALSE;
1461
1462 auth_identity = _dbus_auth_get_identity (transport->auth);
1463
1464 if (_dbus_credentials_include (auth_identity,
1465 DBUS_CREDENTIAL_LINUX_SECURITY_LABEL))
1466 {
1467 /* If no memory, we are supposed to return TRUE and set NULL */
1468 *label_p = _dbus_strdup (_dbus_credentials_get_linux_security_label (auth_identity));
1469
1470 return TRUE;
1471 }
1472 else
1473 {
1474 return FALSE;
1475 }
1476}
1477
1485 dbus_bool_t
1486_dbus_transport_get_windows_user (DBusTransport *transport,
1487 char **windows_sid_p)
1488{
1489 DBusCredentials *auth_identity;
1490
1491 *windows_sid_p = NULL;
1492
1493 if (!transport->authenticated)
1494 return FALSE;
1495
1496 auth_identity = _dbus_auth_get_identity (transport->auth);
1497
1498 if (_dbus_credentials_include (auth_identity,
1499 DBUS_CREDENTIAL_WINDOWS_SID))
1500 {
1501 /* If no memory, we are supposed to return TRUE and set NULL */
1502 *windows_sid_p = _dbus_strdup (_dbus_credentials_get_windows_sid (auth_identity));
1503
1504 return TRUE;
1505 }
1506 else
1507 return FALSE;
1508}
1509
1521 void
1522_dbus_transport_set_windows_user_function (DBusTransport *transport,
1523 DBusAllowWindowsUserFunction function,
1524 void *data,
1525 DBusFreeFunction free_data_function,
1526 void **old_data,
1527 DBusFreeFunction *old_free_data_function)
1528{
1529 *old_data = transport->windows_user_data;
1530 *old_free_data_function = transport->free_windows_user_data;
1531
1532 transport->windows_user_function = function;
1533 transport->windows_user_data = data;
1534 transport->free_windows_user_data = free_data_function;
1535}
1536
1545 dbus_bool_t
1546_dbus_transport_set_auth_mechanisms (DBusTransport *transport,
1547 const char **mechanisms)
1548{
1549 return _dbus_auth_set_mechanisms (transport->auth, mechanisms);
1550}
1551
1558 void
1559_dbus_transport_set_allow_anonymous (DBusTransport *transport,
1560 dbus_bool_t value)
1561{
1562 transport->allow_anonymous = value != FALSE;
1563}
1564
1570 int
1571_dbus_transport_get_pending_fds_count (DBusTransport *transport)
1572{
1573 return _dbus_message_loader_get_pending_fds_count (transport->loader);
1574}
1575
1583 void
1584_dbus_transport_set_pending_fds_function (DBusTransport *transport,
1585 void (* callback) (void *),
1586 void *data)
1587{
1588 _dbus_message_loader_set_pending_fds_function (transport->loader,
1589 callback, data);
1590}
1591
1592#ifdef DBUS_ENABLE_STATS
1593 void
1594_dbus_transport_get_stats (DBusTransport *transport,
1595 dbus_uint32_t *queue_bytes,
1596 dbus_uint32_t *queue_fds,
1597 dbus_uint32_t *peak_queue_bytes,
1598 dbus_uint32_t *peak_queue_fds)
1599{
1600 if (queue_bytes != NULL)
1601 *queue_bytes = _dbus_counter_get_size_value (transport->live_messages);
1602
1603 if (queue_fds != NULL)
1604 *queue_fds = _dbus_counter_get_unix_fd_value (transport->live_messages);
1605
1606 if (peak_queue_bytes != NULL)
1607 *peak_queue_bytes = _dbus_counter_get_peak_size_value (transport->live_messages);
1608
1609 if (peak_queue_fds != NULL)
1610 *peak_queue_fds = _dbus_counter_get_peak_unix_fd_value (transport->live_messages);
1611}
1612#endif /* DBUS_ENABLE_STATS */
1613
_dbus_set_bad_address
void _dbus_set_bad_address(DBusError *error, const char *address_problem_type, const char *address_problem_field, const char *address_problem_other)
Sets DBUS_ERROR_BAD_ADDRESS.
Definition: dbus-address.c:65
dbus_address_entries_free
void dbus_address_entries_free(DBusAddressEntry **entries)
Frees a NULL-terminated array of address entries.
Definition: dbus-address.c:189
dbus_parse_address
dbus_bool_t dbus_parse_address(const char *address, DBusAddressEntry ***entry_result, int *array_len, DBusError *error)
Parses an address string of the form:
Definition: dbus-address.c:363
dbus_address_entry_get_method
const char * dbus_address_entry_get_method(DBusAddressEntry *entry)
Returns the method string of an address entry.
Definition: dbus-address.c:227
dbus_address_entry_get_value
const char * dbus_address_entry_get_value(DBusAddressEntry *entry, const char *key)
Returns a value from a key of an entry.
Definition: dbus-address.c:244
_dbus_auth_do_work
DBusAuthState _dbus_auth_do_work(DBusAuth *auth)
Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...
Definition: dbus-auth.c:2468
_dbus_auth_get_identity
DBusCredentials * _dbus_auth_get_identity(DBusAuth *auth)
Gets the identity we authorized the client as.
Definition: dbus-auth.c:2768
_dbus_auth_decode_data
dbus_bool_t _dbus_auth_decode_data(DBusAuth *auth, const DBusString *encoded, DBusString *plaintext)
Called post-authentication, decodes a block of bytes received from the peer.
Definition: dbus-auth.c:2718
_dbus_auth_unref
void _dbus_auth_unref(DBusAuth *auth)
Decrements the refcount of an auth object.
Definition: dbus-auth.c:2383
_dbus_auth_set_mechanisms
dbus_bool_t _dbus_auth_set_mechanisms(DBusAuth *auth, const char **mechanisms)
Sets an array of authentication mechanism names that we are willing to use.
Definition: dbus-auth.c:2433
_dbus_auth_delete_unused_bytes
void _dbus_auth_delete_unused_bytes(DBusAuth *auth)
Gets rid of unused bytes returned by _dbus_auth_get_unused_bytes() after we've gotten them and succes...
Definition: dbus-auth.c:2611
_dbus_auth_get_guid_from_server
const char * _dbus_auth_get_guid_from_server(DBusAuth *auth)
Gets the GUID from the server if we've authenticated; gets NULL otherwise.
Definition: dbus-auth.c:2792
_dbus_auth_needs_decoding
dbus_bool_t _dbus_auth_needs_decoding(DBusAuth *auth)
Called post-authentication, indicates whether we need to decode the message stream with _dbus_auth_de...
Definition: dbus-auth.c:2687
_dbus_auth_client_new
DBusAuth * _dbus_auth_client_new(void)
Creates a new auth conversation object for the client side.
Definition: dbus-auth.c:2330
_dbus_auth_server_new
DBusAuth * _dbus_auth_server_new(const DBusString *guid)
Creates a new auth conversation object for the server side.
Definition: dbus-auth.c:2284
_dbus_auth_get_unused_bytes
void _dbus_auth_get_unused_bytes(DBusAuth *auth, const DBusString **str)
Returns leftover bytes that were not used as part of the auth conversation.
Definition: dbus-auth.c:2594
_dbus_connection_unlock
DBUS_PRIVATE_EXPORT void _dbus_connection_unlock(DBusConnection *connection)
Releases the connection lock.
Definition: dbus-connection.c:399
_dbus_connection_lock
DBUS_PRIVATE_EXPORT void _dbus_connection_lock(DBusConnection *connection)
Acquires the connection lock.
Definition: dbus-connection.c:388
_dbus_connection_unref_unlocked
DBUS_PRIVATE_EXPORT void _dbus_connection_unref_unlocked(DBusConnection *connection)
Decrements the reference count of a DBusConnection.
Definition: dbus-connection.c:1442
_dbus_connection_queue_received_message_link
void _dbus_connection_queue_received_message_link(DBusConnection *connection, DBusList *link)
Adds a message-containing list link to the incoming message queue, taking ownership of the link and t...
Definition: dbus-connection.c:480
_dbus_connection_ref_unlocked
DBUS_PRIVATE_EXPORT DBusConnection * _dbus_connection_ref_unlocked(DBusConnection *connection)
Increments the reference count of a DBusConnection.
Definition: dbus-connection.c:1419
DBusAllowUnixUserFunction
dbus_bool_t(* DBusAllowUnixUserFunction)(DBusConnection *connection, unsigned long uid, void *data)
Called during authentication to check whether the given UNIX user ID is allowed to connect,...
Definition: dbus-connection.h:144
DBusDispatchStatus
DBusDispatchStatus
Indicates the status of incoming data on a DBusConnection.
Definition: dbus-connection.h:81
DBusAllowWindowsUserFunction
dbus_bool_t(* DBusAllowWindowsUserFunction)(DBusConnection *connection, const char *user_sid, void *data)
Called during authentication to check whether the given Windows user ID is allowed to connect,...
Definition: dbus-connection.h:154
DBUS_DISPATCH_NEED_MEMORY
@ DBUS_DISPATCH_NEED_MEMORY
More memory is needed to continue.
Definition: dbus-connection.h:84
DBUS_DISPATCH_COMPLETE
@ DBUS_DISPATCH_COMPLETE
All currently available data has been processed.
Definition: dbus-connection.h:83
DBUS_DISPATCH_DATA_REMAINS
@ DBUS_DISPATCH_DATA_REMAINS
There is more data to potentially convert to messages.
Definition: dbus-connection.h:82
_dbus_credentials_include
dbus_bool_t _dbus_credentials_include(DBusCredentials *credentials, DBusCredentialType type)
Checks whether the given credential is present.
Definition: dbus-credentials.c:255
_dbus_credentials_same_user
dbus_bool_t _dbus_credentials_same_user(DBusCredentials *credentials, DBusCredentials *other_credentials)
Check whether the user-identifying credentials in two credentials objects are identical.
Definition: dbus-credentials.c:552
_dbus_credentials_get_unix_uid
dbus_uid_t _dbus_credentials_get_unix_uid(DBusCredentials *credentials)
Gets the UNIX user ID in the credentials, or DBUS_UID_UNSET if the credentials object doesn't contain...
Definition: dbus-credentials.c:297
_dbus_credentials_new_from_current_process
DBusCredentials * _dbus_credentials_new_from_current_process(void)
Creates a new object with credentials (user ID and process ID) from the current process.
Definition: dbus-credentials.c:95
_dbus_credentials_new
DBusCredentials * _dbus_credentials_new(void)
Creates a new credentials object.
Definition: dbus-credentials.c:71
_dbus_credentials_get_adt_audit_data
void * _dbus_credentials_get_adt_audit_data(DBusCredentials *credentials)
Gets the ADT audit data in the credentials, or NULL if the credentials object doesn't contain ADT aud...
Definition: dbus-credentials.c:336
_dbus_credentials_get_linux_security_label
const char * _dbus_credentials_get_linux_security_label(DBusCredentials *credentials)
Gets the Linux security label (as used by LSMs) from the credentials, or NULL if the credentials obje...
Definition: dbus-credentials.c:323
_dbus_credentials_unref
void _dbus_credentials_unref(DBusCredentials *credentials)
Decrement refcount on credentials.
Definition: dbus-credentials.c:130
_dbus_credentials_get_pid
dbus_pid_t _dbus_credentials_get_pid(DBusCredentials *credentials)
Gets the UNIX process ID in the credentials, or DBUS_PID_UNSET if the credentials object doesn't cont...
Definition: dbus-credentials.c:284
_dbus_credentials_get_adt_audit_data_size
dbus_int32_t _dbus_credentials_get_adt_audit_data_size(DBusCredentials *credentials)
Gets the ADT audit data size in the credentials, or 0 if the credentials object doesn't contain ADT a...
Definition: dbus-credentials.c:349
_dbus_credentials_get_windows_sid
const char * _dbus_credentials_get_windows_sid(DBusCredentials *credentials)
Gets the Windows user SID in the credentials, or NULL if the credentials object doesn't contain a Win...
Definition: dbus-credentials.c:310
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition: dbus-credentials.c:408
DBUS_ERROR_INIT
#define DBUS_ERROR_INIT
Expands to a suitable initializer for a DBusError on the stack.
Definition: dbus-errors.h:62
dbus_move_error
void dbus_move_error(DBusError *src, DBusError *dest)
Moves an error src into dest, freeing src and overwriting dest.
Definition: dbus-errors.c:279
dbus_set_error
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:354
dbus_error_free
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
dbus_error_is_set
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
Definition: dbus-errors.c:329
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition: dbus-internals.h:163
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:152
_dbus_warn_check_failed
void _dbus_warn_check_failed(const char *format,...)
Prints a "critical" warning to stderr when an assertion fails; differs from _dbus_warn primarily in t...
Definition: dbus-internals.c:262
_dbus_strdup
char * _dbus_strdup(const char *str)
Duplicates a string.
Definition: dbus-internals.c:536
_DBUS_N_ELEMENTS
#define _DBUS_N_ELEMENTS(array)
Computes the number of elements in a fixed-size array using sizeof().
Definition: dbus-internals.h:188
_DBUS_INT32_MAX
#define _DBUS_INT32_MAX
Maximum value of type "int32".
Definition: dbus-internals.h:260
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
TRUE
#define TRUE
Expands to "1".
FALSE
#define FALSE
Expands to "0".
DBusFreeFunction
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory.
Definition: dbus-memory.h:64
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:702
_dbus_message_loader_set_max_message_size
void _dbus_message_loader_set_max_message_size(DBusMessageLoader *loader, long size)
Sets the maximum size message we allow.
Definition: dbus-message.c:4756
_dbus_message_loader_get_is_corrupted
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_message_loader_get_is_corrupted(DBusMessageLoader *loader)
Checks whether the loader is confused due to bad data.
Definition: dbus-message.c:4727
_dbus_message_loader_unref
DBUS_PRIVATE_EXPORT void _dbus_message_loader_unref(DBusMessageLoader *loader)
Decrements the reference count of the loader and finalizes the loader when the count reaches zero.
Definition: dbus-message.c:4149
_dbus_message_loader_set_pending_fds_function
void _dbus_message_loader_set_pending_fds_function(DBusMessageLoader *loader, void(*callback)(void *), void *data)
Register a function to be called whenever the number of pending file descriptors in the loader change...
Definition: dbus-message.c:4835
_dbus_message_loader_putback_message_link
void _dbus_message_loader_putback_message_link(DBusMessageLoader *loader, DBusList *link)
Returns a popped message link, used to undo a pop.
Definition: dbus-message.c:4711
_dbus_message_loader_get_pending_fds_count
int _dbus_message_loader_get_pending_fds_count(DBusMessageLoader *loader)
Return how many file descriptors are pending in the loader.
Definition: dbus-message.c:4817
_dbus_message_loader_get_buffer
DBUS_PRIVATE_EXPORT void _dbus_message_loader_get_buffer(DBusMessageLoader *loader, DBusString **buffer, int *max_to_read, dbus_bool_t *may_read_unix_fds)
Gets the buffer to use for reading data from the network.
Definition: dbus-message.c:4186
_dbus_message_add_counter
dbus_bool_t _dbus_message_add_counter(DBusMessage *message, DBusCounter *counter)
Adds a counter to be incremented immediately with the size/unix fds of this message,...
Definition: dbus-message.c:352
_dbus_message_loader_peek_message
DBusMessage * _dbus_message_loader_peek_message(DBusMessageLoader *loader)
Peeks at first loaded message, returns NULL if no messages have been queued.
Definition: dbus-message.c:4668
_dbus_message_loader_set_max_message_unix_fds
void _dbus_message_loader_set_max_message_unix_fds(DBusMessageLoader *loader, long n)
Sets the maximum unix fds per message we allow.
Definition: dbus-message.c:4787
_dbus_message_loader_get_max_message_size
DBUS_PRIVATE_EXPORT long _dbus_message_loader_get_max_message_size(DBusMessageLoader *loader)
Gets the maximum allowed message size in bytes.
Definition: dbus-message.c:4775
_dbus_message_loader_new
DBUS_PRIVATE_EXPORT DBusMessageLoader * _dbus_message_loader_new(void)
Creates a new message loader.
Definition: dbus-message.c:4087
_dbus_message_loader_pop_message_link
DBusList * _dbus_message_loader_pop_message_link(DBusMessageLoader *loader)
Pops a loaded message inside a list link (passing ownership of the message and link to the caller).
Definition: dbus-message.c:4699
_dbus_message_loader_queue_messages
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_message_loader_queue_messages(DBusMessageLoader *loader)
Converts buffered data into messages, if we have enough data.
Definition: dbus-message.c:4605
_dbus_message_loader_return_buffer
DBUS_PRIVATE_EXPORT void _dbus_message_loader_return_buffer(DBusMessageLoader *loader, DBusString *buffer)
Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...
Definition: dbus-message.c:4292
_dbus_message_loader_get_max_message_unix_fds
long _dbus_message_loader_get_max_message_unix_fds(DBusMessageLoader *loader)
Gets the maximum allowed number of unix fds per message.
Definition: dbus-message.c:4806
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:357
_dbus_counter_set_notify
void _dbus_counter_set_notify(DBusCounter *counter, long size_guard_value, long unix_fd_guard_value, DBusCounterNotifyFunction function, void *user_data)
Sets the notify function for this counter; the notify function is called whenever the counter's value...
Definition: dbus-resources.c:303
_dbus_counter_new
DBusCounter * _dbus_counter_new(void)
Creates a new DBusCounter.
Definition: dbus-resources.c:89
_dbus_counter_get_unix_fd_value
long _dbus_counter_get_unix_fd_value(DBusCounter *counter)
Gets the current value of the unix fd counter.
Definition: dbus-resources.c:286
_dbus_counter_unref
void _dbus_counter_unref(DBusCounter *counter)
Decrements refcount of the counter and possibly finalizes the counter.
Definition: dbus-resources.c:136
_dbus_counter_get_size_value
long _dbus_counter_get_size_value(DBusCounter *counter)
Gets the current value of the size counter.
Definition: dbus-resources.c:274
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
_dbus_string_copy
dbus_bool_t _dbus_string_copy(const DBusString *source, int start, DBusString *dest, int insert_at)
Like _dbus_string_move(), but does not delete the section of the source string that's copied to the d...
Definition: dbus-string.c:1283
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:259
_dbus_string_copy_data
dbus_bool_t _dbus_string_copy_data(const DBusString *str, char **data_return)
Copies the data from the string into a char*.
Definition: dbus-string.c:672
_dbus_string_move
dbus_bool_t _dbus_string_move(DBusString *source, int start, DBusString *dest, int insert_at)
Moves the end of one string into another string.
Definition: dbus-string.c:1259
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:108
DBUS_PID_UNSET
#define DBUS_PID_UNSET
an invalid PID used to represent an uninitialized dbus_pid_t field
Definition: dbus-sysdeps.h:113
DBUS_UID_FORMAT
#define DBUS_UID_FORMAT
an appropriate printf format for dbus_uid_t
Definition: dbus-sysdeps.h:122
_dbus_get_autolaunch_address
dbus_bool_t _dbus_get_autolaunch_address(const char *scope, DBusString *address, DBusError *error)
Returns the address of a new session bus.
Definition: dbus-sysdeps-unix.c:3784
_dbus_transport_open_socket
DBusTransportOpenResult _dbus_transport_open_socket(DBusAddressEntry *entry, DBusTransport **transport_p, DBusError *error)
Opens a TCP socket transport.
Definition: dbus-transport-socket.c:1445
_dbus_transport_open_platform_specific
DBusTransportOpenResult _dbus_transport_open_platform_specific(DBusAddressEntry *entry, DBusTransport **transport_p, DBusError *error)
Opens platform specific transport types.
Definition: dbus-transport-win.c:50
_dbus_transport_set_max_message_size
void _dbus_transport_set_max_message_size(DBusTransport *transport, long size)
See dbus_connection_set_max_message_size().
Definition: dbus-transport.c:1222
_dbus_transport_set_max_received_size
void _dbus_transport_set_max_received_size(DBusTransport *transport, long size)
See dbus_connection_set_max_received_size().
Definition: dbus-transport.c:1272
_dbus_transport_get_dispatch_status
DBusDispatchStatus _dbus_transport_get_dispatch_status(DBusTransport *transport)
Reports our current dispatch status (whether there's buffered data to be queued as messages,...
Definition: dbus-transport.c:1124
_dbus_transport_set_auth_mechanisms
dbus_bool_t _dbus_transport_set_auth_mechanisms(DBusTransport *transport, const char **mechanisms)
Sets the SASL authentication mechanisms supported by this transport.
Definition: dbus-transport.c:1546
_dbus_transport_get_pending_fds_count
int _dbus_transport_get_pending_fds_count(DBusTransport *transport)
Return how many file descriptors are pending in the loader.
Definition: dbus-transport.c:1571
_dbus_transport_get_adt_audit_session_data
dbus_bool_t _dbus_transport_get_adt_audit_session_data(DBusTransport *transport, void **data, int *data_size)
See dbus_connection_get_adt_audit_session_data().
Definition: dbus-transport.c:1400
_dbus_transport_get_windows_user
dbus_bool_t _dbus_transport_get_windows_user(DBusTransport *transport, char **windows_sid_p)
See dbus_connection_get_windows_user().
Definition: dbus-transport.c:1486
_dbus_transport_queue_messages
dbus_bool_t _dbus_transport_queue_messages(DBusTransport *transport)
Processes data we've read while handling a watch, potentially converting some of it to messages and q...
Definition: dbus-transport.c:1163
_dbus_transport_get_socket_fd
dbus_bool_t _dbus_transport_get_socket_fd(DBusTransport *transport, DBusSocket *fd_p)
Get the socket file descriptor, if any.
Definition: dbus-transport.c:966
_dbus_transport_get_address
const char * _dbus_transport_get_address(DBusTransport *transport)
Gets the address of a transport.
Definition: dbus-transport.c:871
_dbus_transport_handle_watch
dbus_bool_t _dbus_transport_handle_watch(DBusTransport *transport, DBusWatch *watch, unsigned int condition)
Handles a watch by reading data, writing data, or disconnecting the transport, as appropriate for the...
Definition: dbus-transport.c:904
_dbus_transport_ref
DBusTransport * _dbus_transport_ref(DBusTransport *transport)
Increments the reference count for the transport.
Definition: dbus-transport.c:466
_dbus_transport_peek_is_authenticated
dbus_bool_t _dbus_transport_peek_is_authenticated(DBusTransport *transport)
Returns TRUE if we have been authenticated.
Definition: dbus-transport.c:707
_dbus_transport_set_allow_anonymous
void _dbus_transport_set_allow_anonymous(DBusTransport *transport, dbus_bool_t value)
See dbus_connection_set_allow_anonymous()
Definition: dbus-transport.c:1559
_dbus_transport_disconnect
void _dbus_transport_disconnect(DBusTransport *transport)
Closes our end of the connection to a remote application.
Definition: dbus-transport.c:508
_dbus_transport_get_max_received_size
long _dbus_transport_get_max_received_size(DBusTransport *transport)
See dbus_connection_get_max_received_size().
Definition: dbus-transport.c:1308
_dbus_transport_set_connection
dbus_bool_t _dbus_transport_set_connection(DBusTransport *transport, DBusConnection *connection)
Sets the connection using this transport.
Definition: dbus-transport.c:942
_dbus_transport_set_unix_user_function
void _dbus_transport_set_unix_user_function(DBusTransport *transport, DBusAllowUnixUserFunction function, void *data, DBusFreeFunction free_data_function, void **old_data, DBusFreeFunction *old_free_data_function)
See dbus_connection_set_unix_user_function().
Definition: dbus-transport.c:1436
_dbus_transport_get_max_message_unix_fds
long _dbus_transport_get_max_message_unix_fds(DBusTransport *transport)
See dbus_connection_get_max_message_unix_fds().
Definition: dbus-transport.c:1260
_dbus_transport_init_base
dbus_bool_t _dbus_transport_init_base(DBusTransport *transport, const DBusTransportVTable *vtable, const DBusString *server_guid, const DBusString *address)
Initializes the base class members of DBusTransport.
Definition: dbus-transport.c:102
_dbus_transport_set_max_received_unix_fds
void _dbus_transport_set_max_received_unix_fds(DBusTransport *transport, long n)
See dbus_connection_set_max_received_unix_fds().
Definition: dbus-transport.c:1290
_dbus_transport_unref
void _dbus_transport_unref(DBusTransport *transport)
Decrements the reference count for the transport.
Definition: dbus-transport.c:483
_dbus_transport_can_pass_unix_fd
dbus_bool_t _dbus_transport_can_pass_unix_fd(DBusTransport *transport)
Returns TRUE if the transport supports sending unix fds.
Definition: dbus-transport.c:858
_dbus_transport_try_to_authenticate
dbus_bool_t _dbus_transport_try_to_authenticate(DBusTransport *transport)
Returns TRUE if we have been authenticated.
Definition: dbus-transport.c:730
_dbus_transport_do_iteration
void _dbus_transport_do_iteration(DBusTransport *transport, unsigned int flags, int timeout_milliseconds)
Performs a single poll()/select() on the transport's file descriptors and then reads/writes data as a...
Definition: dbus-transport.c:999
_dbus_transport_get_max_received_unix_fds
long _dbus_transport_get_max_received_unix_fds(DBusTransport *transport)
See dbus_connection_set_max_received_unix_fds().
Definition: dbus-transport.c:1320
_dbus_transport_get_is_connected
dbus_bool_t _dbus_transport_get_is_connected(DBusTransport *transport)
Returns TRUE if the transport has not been disconnected.
Definition: dbus-transport.c:533
_dbus_transport_set_max_message_unix_fds
void _dbus_transport_set_max_message_unix_fds(DBusTransport *transport, long n)
See dbus_connection_set_max_message_unix_fds().
Definition: dbus-transport.c:1235
_dbus_transport_set_pending_fds_function
void _dbus_transport_set_pending_fds_function(DBusTransport *transport, void(*callback)(void *), void *data)
Register a function to be called whenever the number of pending file descriptors in the loader change...
Definition: dbus-transport.c:1584
_dbus_transport_set_windows_user_function
void _dbus_transport_set_windows_user_function(DBusTransport *transport, DBusAllowWindowsUserFunction function, void *data, DBusFreeFunction free_data_function, void **old_data, DBusFreeFunction *old_free_data_function)
See dbus_connection_set_windows_user_function().
Definition: dbus-transport.c:1522
_dbus_transport_get_max_message_size
long _dbus_transport_get_max_message_size(DBusTransport *transport)
See dbus_connection_get_max_message_size().
Definition: dbus-transport.c:1248
_dbus_transport_get_unix_process_id
dbus_bool_t _dbus_transport_get_unix_process_id(DBusTransport *transport, unsigned long *pid)
See dbus_connection_get_unix_process_id().
Definition: dbus-transport.c:1366
_dbus_transport_open
DBusTransport * _dbus_transport_open(DBusAddressEntry *entry, DBusError *error)
Try to open a new transport for the given address entry.
Definition: dbus-transport.c:370
_dbus_transport_get_server_id
const char * _dbus_transport_get_server_id(DBusTransport *transport)
Gets the id of the server we are connected to (see dbus_server_get_id()).
Definition: dbus-transport.c:884
_dbus_transport_get_is_anonymous
dbus_bool_t _dbus_transport_get_is_anonymous(DBusTransport *transport)
See dbus_connection_get_is_anonymous().
Definition: dbus-transport.c:836
_dbus_transport_finalize_base
void _dbus_transport_finalize_base(DBusTransport *transport)
Finalizes base class members of DBusTransport.
Definition: dbus-transport.c:216
_dbus_transport_get_unix_user
dbus_bool_t _dbus_transport_get_unix_user(DBusTransport *transport, unsigned long *uid)
See dbus_connection_get_unix_user().
Definition: dbus-transport.c:1333
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
dbus_uint32_t
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
Definition: dbus-arch-deps.h:43
_dbus_watch_sanitize_condition
void _dbus_watch_sanitize_condition(DBusWatch *watch, unsigned int *condition)
Sanitizes the given condition so that it only contains flags that the DBusWatch requested.
Definition: dbus-watch.c:185
_dbus_watch_ref
DBusWatch * _dbus_watch_ref(DBusWatch *watch)
Increments the reference count of a DBusWatch object.
Definition: dbus-watch.c:124
_dbus_watch_unref
void _dbus_watch_unref(DBusWatch *watch)
Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...
Definition: dbus-watch.c:138
dbus_watch_get_socket
DBUS_EXPORT int dbus_watch_get_socket(DBusWatch *watch)
Returns a socket to be watched, on UNIX this will return -1 if our transport is not socket-based so d...
Definition: dbus-watch.c:594
DBusAddressEntry
Internals of DBusAddressEntry.
Definition: dbus-address.c:44
DBusAuth
Internal members of DBusAuth.
Definition: dbus-auth.c:154
DBusConnection
Implementation details of DBusConnection.
Definition: dbus-connection.c:257
DBusCounter
Internals of DBusCounter.
Definition: dbus-resources.c:55
DBusCredentials
Definition: dbus-credentials.c:48
DBusError
Object representing an exception.
Definition: dbus-errors.h:49
DBusList
A node in a linked list.
Definition: dbus-list.h:35
DBusList::data
void * data
Data stored at this element.
Definition: dbus-list.h:38
DBusMessageLoader
Implementation details of DBusMessageLoader.
Definition: dbus-message-private.h:61
DBusMessage
Internals of DBusMessage.
Definition: dbus-message-private.h:100
DBusSocket
Socket interface.
Definition: dbus-sysdeps.h:149
DBusString
Definition: dbus-string.h:43
DBusTransportVTable
The virtual table that must be implemented to create a new kind of transport.
Definition: dbus-transport-protected.h:42
DBusTransportVTable::get_socket_fd
dbus_bool_t(* get_socket_fd)(DBusTransport *transport, DBusSocket *fd_p)
Get socket file descriptor.
Definition: dbus-transport-protected.h:69
DBusTransportVTable::disconnect
void(* disconnect)(DBusTransport *transport)
Disconnect this transport.
Definition: dbus-transport-protected.h:53
DBusTransportVTable::live_messages_changed
void(* live_messages_changed)(DBusTransport *transport)
Outstanding messages counter changed.
Definition: dbus-transport-protected.h:66
DBusTransportVTable::do_iteration
void(* do_iteration)(DBusTransport *transport, unsigned int flags, int timeout_milliseconds)
Called to do a single "iteration" (block on select/poll followed by reading or writing data).
Definition: dbus-transport-protected.h:59
DBusTransportVTable::handle_watch
dbus_bool_t(* handle_watch)(DBusTransport *transport, DBusWatch *watch, unsigned int flags)
The handle_watch method handles reading/writing data as indicated by the flags.
Definition: dbus-transport-protected.h:46
DBusTransportVTable::finalize
void(* finalize)(DBusTransport *transport)
The finalize method must free the transport.
Definition: dbus-transport-protected.h:43
DBusTransportVTable::connection_set
dbus_bool_t(* connection_set)(DBusTransport *transport)
Called when transport->connection has been filled in.
Definition: dbus-transport-protected.h:56
DBusTransport
Object representing a transport such as a socket.
Definition: dbus-transport-protected.h:81
DBusTransport::authenticated
unsigned int authenticated
Cache of auth state; use _dbus_transport_peek_is_authenticated() to query value.
Definition: dbus-transport-protected.h:114
DBusTransport::windows_user_function
DBusAllowWindowsUserFunction windows_user_function
Function for checking whether a user is authorized.
Definition: dbus-transport-protected.h:108
DBusTransport::refcount
int refcount
Reference count.
Definition: dbus-transport-protected.h:82
DBusTransport::max_live_messages_size
long max_live_messages_size
Max total size of received messages.
Definition: dbus-transport-protected.h:94
DBusTransport::max_live_messages_unix_fds
long max_live_messages_unix_fds
Max total unix fds of received messages.
Definition: dbus-transport-protected.h:95
DBusTransport::allow_anonymous
unsigned int allow_anonymous
TRUE if an anonymous client can connect
Definition: dbus-transport-protected.h:119
DBusTransport::windows_user_data
void * windows_user_data
Data for windows_user_function.
Definition: dbus-transport-protected.h:109
DBusTransport::is_server
unsigned int is_server
TRUE if on the server side
Definition: dbus-transport-protected.h:117
DBusTransport::disconnected
unsigned int disconnected
TRUE if we are disconnected.
Definition: dbus-transport-protected.h:113
DBusTransport::address
char * address
Address of the server we are connecting to (NULL for the server side of a transport)
Definition: dbus-transport-protected.h:99
DBusTransport::unused_bytes_recovered
unsigned int unused_bytes_recovered
TRUE if we've recovered unused bytes from auth
Definition: dbus-transport-protected.h:118
DBusTransport::vtable
const DBusTransportVTable * vtable
Virtual methods for this instance.
Definition: dbus-transport-protected.h:84
DBusTransport::free_unix_user_data
DBusFreeFunction free_unix_user_data
Function to free unix_user_data.
Definition: dbus-transport-protected.h:106
DBusTransport::send_credentials_pending
unsigned int send_credentials_pending
TRUE if we need to send credentials
Definition: dbus-transport-protected.h:115
DBusTransport::unix_user_data
void * unix_user_data
Data for unix_user_function.
Definition: dbus-transport-protected.h:104
DBusTransport::connection
DBusConnection * connection
Connection owning this transport.
Definition: dbus-transport-protected.h:86
DBusTransport::receive_credentials_pending
unsigned int receive_credentials_pending
TRUE if we need to receive credentials
Definition: dbus-transport-protected.h:116
DBusTransport::loader
DBusMessageLoader * loader
Message-loading buffer.
Definition: dbus-transport-protected.h:88
DBusTransport::expected_guid
char * expected_guid
GUID we expect the server to have, NULL on server side or if we don't have an expectation.
Definition: dbus-transport-protected.h:101
DBusTransport::free_windows_user_data
DBusFreeFunction free_windows_user_data
Function to free windows_user_data.
Definition: dbus-transport-protected.h:111
DBusTransport::unix_user_function
DBusAllowUnixUserFunction unix_user_function
Function for checking whether a user is authorized.
Definition: dbus-transport-protected.h:103
DBusTransport::credentials
DBusCredentials * credentials
Credentials of other end read from the socket.
Definition: dbus-transport-protected.h:92
DBusTransport::auth
DBusAuth * auth
Authentication conversation.
Definition: dbus-transport-protected.h:90
DBusTransport::live_messages
DBusCounter * live_messages
Counter for size/unix fds of all live messages.
Definition: dbus-transport-protected.h:97
DBusWatch
Implementation of DBusWatch.
Definition: dbus-watch.c:41