D-Bus: dbus-transport.c Source File

D-Bus 1.16.2

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 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25
26#include <config.h>
27#include "dbus-transport-protected.h"
28#include "dbus-transport-unix.h"
29#include "dbus-transport-socket.h"
30#include "dbus-connection-internal.h"
31#include "dbus-watch.h"
32#include "dbus-auth.h"
33#include "dbus-address.h"
34#include "dbus-credentials.h"
35#include "dbus-mainloop.h"
36#include "dbus-message.h"
37#ifdef DBUS_ENABLE_EMBEDDED_TESTS
38#include "dbus-server-debug-pipe.h"
39#endif
40
62static void
63live_messages_notify (DBusCounter *counter,
64 void *user_data)
65{
66 DBusTransport *transport = user_data;
67
68 _dbus_connection_lock (transport->connection);
69 _dbus_transport_ref (transport);
70
71#if 0
72 _dbus_verbose ("Size counter value is now %d\n",
73 (int) _dbus_counter_get_size_value (counter));
74 _dbus_verbose ("Unix FD counter value is now %d\n",
75 (int) _dbus_counter_get_unix_fd_value (counter));
76#endif
77
78 /* disable or re-enable the read watch for the transport if
79 * required.
80 */
81 if (transport->vtable->live_messages_changed)
82 {
83 (* transport->vtable->live_messages_changed) (transport);
84 }
85
86 _dbus_transport_unref (transport);
87 _dbus_connection_unlock (transport->connection);
88}
89
103 dbus_bool_t
104_dbus_transport_init_base (DBusTransport *transport,
105 const DBusTransportVTable *vtable,
106 const DBusString *server_guid,
107 const DBusString *address)
108{
109 DBusMessageLoader *loader;
110 DBusAuth *auth;
111 DBusCounter *counter;
112 char *address_copy;
113 DBusCredentials *creds;
114
115 loader = _dbus_message_loader_new ();
116 if (loader == NULL)
117 return FALSE;
118
119 if (server_guid)
120 auth = _dbus_auth_server_new (server_guid);
121 else
122 auth = _dbus_auth_client_new ();
123 if (auth == NULL)
124 {
125 _dbus_message_loader_unref (loader);
126 return FALSE;
127 }
128
129 counter = _dbus_counter_new ();
130 if (counter == NULL)
131 {
132 _dbus_auth_unref (auth);
133 _dbus_message_loader_unref (loader);
134 return FALSE;
135 }
136
137 creds = _dbus_credentials_new ();
138 if (creds == NULL)
139 {
140 _dbus_counter_unref (counter);
141 _dbus_auth_unref (auth);
142 _dbus_message_loader_unref (loader);
143 return FALSE;
144 }
145
146 if (server_guid)
147 {
148 _dbus_assert (address == NULL);
149 address_copy = NULL;
150 }
151 else
152 {
153 _dbus_assert (address != NULL);
154
155 if (!_dbus_string_copy_data (address, &address_copy))
156 {
157 _dbus_credentials_unref (creds);
158 _dbus_counter_unref (counter);
159 _dbus_auth_unref (auth);
160 _dbus_message_loader_unref (loader);
161 return FALSE;
162 }
163 }
164
165 transport->refcount = 1;
166 transport->vtable = vtable;
167 transport->loader = loader;
168 transport->auth = auth;
169 transport->live_messages = counter;
170 transport->authenticated = FALSE;
171 transport->disconnected = FALSE;
172 transport->is_server = (server_guid != NULL);
173 transport->send_credentials_pending = !transport->is_server;
174 transport->receive_credentials_pending = transport->is_server;
175 transport->address = address_copy;
176
177 transport->unix_user_function = NULL;
178 transport->unix_user_data = NULL;
179 transport->free_unix_user_data = NULL;
180
181 transport->windows_user_function = NULL;
182 transport->windows_user_data = NULL;
183 transport->free_windows_user_data = NULL;
184
185 transport->expected_guid = NULL;
186
187 /* Try to default to something that won't totally hose the system,
188 * but doesn't impose too much of a limitation.
189 */
190 transport->max_live_messages_size = _DBUS_ONE_MEGABYTE * 63;
191
192 /* On Linux RLIMIT_NOFILE defaults to 1024, so allowing 4096 fds live
193 should be more than enough */
194 transport->max_live_messages_unix_fds = 4096;
195
196 /* credentials read from socket if any */
197 transport->credentials = creds;
198
199 _dbus_counter_set_notify (transport->live_messages,
200 transport->max_live_messages_size,
201 transport->max_live_messages_unix_fds,
202 live_messages_notify,
203 transport);
204
205 if (transport->address)
206 _dbus_verbose ("Initialized transport on address %s\n", transport->address);
207
208 return TRUE;
209}
210
217void
218_dbus_transport_finalize_base (DBusTransport *transport)
219{
220 if (!transport->disconnected)
221 _dbus_transport_disconnect (transport);
222
223 if (transport->free_unix_user_data != NULL)
224 (* transport->free_unix_user_data) (transport->unix_user_data);
225
226 if (transport->free_windows_user_data != NULL)
227 (* transport->free_windows_user_data) (transport->windows_user_data);
228
229 _dbus_message_loader_unref (transport->loader);
230 _dbus_auth_unref (transport->auth);
231 _dbus_counter_set_notify (transport->live_messages,
232 0, 0, NULL, NULL);
233 _dbus_counter_unref (transport->live_messages);
234 dbus_free (transport->address);
235 dbus_free (transport->expected_guid);
236 if (transport->credentials)
237 _dbus_credentials_unref (transport->credentials);
238}
239
240
251static DBusTransport*
252check_address (const char *address, DBusError *error)
253{
254 DBusAddressEntry **entries;
255 DBusTransport *transport = NULL;
256 int len, i;
257
258 _dbus_assert (address != NULL);
259 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
260
261 if (!dbus_parse_address (address, &entries, &len, error))
262 return NULL; /* not a valid address */
263
264 for (i = 0; i < len; i++)
265 {
266 dbus_error_free (error);
267 transport = _dbus_transport_open (entries[i], error);
268
269 if (transport != NULL)
270 break;
271 }
272
273 dbus_address_entries_free (entries);
274 return transport;
275}
276
285static DBusTransport*
286_dbus_transport_new_for_autolaunch (const char *scope, DBusError *error)
287{
288 DBusString address;
289 DBusTransport *result = NULL;
290
291 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
292
293 if (!_dbus_string_init (&address))
294 {
295 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
296 return NULL;
297 }
298
299 if (!_dbus_get_autolaunch_address (scope, &address, error))
300 {
301 _DBUS_ASSERT_ERROR_IS_SET (error);
302 goto out;
303 }
304
305 result = check_address (_dbus_string_get_const_data (&address), error);
306 _DBUS_ASSERT_ERROR_XOR_BOOL (error, result != NULL);
307
308 out:
309 _dbus_string_free (&address);
310 return result;
311}
312
313static DBusTransportOpenResult
314_dbus_transport_open_autolaunch (DBusAddressEntry *entry,
315 DBusTransport **transport_p,
316 DBusError *error)
317{
318 const char *method;
319
320 method = dbus_address_entry_get_method (entry);
321 _dbus_assert (method != NULL);
322
323 if (strcmp (method, "autolaunch") == 0)
324 {
325 const char *scope = dbus_address_entry_get_value (entry, "scope");
326
327 *transport_p = _dbus_transport_new_for_autolaunch (scope, error);
328
329 if (*transport_p == NULL)
330 {
331 _DBUS_ASSERT_ERROR_IS_SET (error);
332 return DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT;
333 }
334 else
335 {
336 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
337 return DBUS_TRANSPORT_OPEN_OK;
338 }
339 }
340 else
341 {
342 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
343 return DBUS_TRANSPORT_OPEN_NOT_HANDLED;
344 }
345}
346
347static const struct {
348 DBusTransportOpenResult (* func) (DBusAddressEntry *entry,
349 DBusTransport **transport_p,
350 DBusError *error);
351} open_funcs[] = {
352 { _dbus_transport_open_socket },
353 { _dbus_transport_open_unix_socket },
354#ifndef _WIN32
355 { _dbus_transport_open_unixexec },
356#endif
357 { _dbus_transport_open_platform_specific },
358 { _dbus_transport_open_autolaunch }
359#ifdef DBUS_ENABLE_EMBEDDED_TESTS
360 , { _dbus_transport_open_debug_pipe }
361#endif
362};
363
372 DBusTransport*
373_dbus_transport_open (DBusAddressEntry *entry,
374 DBusError *error)
375{
376 DBusTransport *transport;
377 const char *expected_guid_orig;
378 char *expected_guid;
379 int i;
380 DBusError tmp_error = DBUS_ERROR_INIT;
381
382 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
383
384 transport = NULL;
385 expected_guid_orig = dbus_address_entry_get_value (entry, "guid");
386 expected_guid = _dbus_strdup (expected_guid_orig);
387
388 if (expected_guid_orig != NULL && expected_guid == NULL)
389 {
390 _DBUS_SET_OOM (error);
391 return NULL;
392 }
393
394 for (i = 0; i < (int) _DBUS_N_ELEMENTS (open_funcs); ++i)
395 {
396 DBusTransportOpenResult result;
397
398 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
399 result = (* open_funcs[i].func) (entry, &transport, &tmp_error);
400
401 switch (result)
402 {
403 case DBUS_TRANSPORT_OPEN_OK:
404 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
405 goto out;
406 break;
407 case DBUS_TRANSPORT_OPEN_NOT_HANDLED:
408 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
409 /* keep going through the loop of open funcs */
410 break;
411 case DBUS_TRANSPORT_OPEN_BAD_ADDRESS:
412 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
413 goto out;
414 break;
415 case DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT:
416 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
417 goto out;
418 break;
419 default:
420 _dbus_assert_not_reached ("invalid transport open result");
421 break;
422 }
423 }
424
425 out:
426
427 if (transport == NULL)
428 {
429 if (!dbus_error_is_set (&tmp_error))
430 _dbus_set_bad_address (&tmp_error,
431 NULL, NULL,
432 "Unknown address type (examples of valid types are \"tcp\" and on UNIX \"unix\")");
433
434 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
435 dbus_move_error(&tmp_error, error);
436 dbus_free (expected_guid);
437 }
438 else
439 {
440 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
441
442 /* In the case of autostart the initial guid is NULL
443 * and the autostart transport recursively calls
444 * _dbus_open_transport wich returns a transport
445 * with a guid. That guid is the definitive one.
446 *
447 * FIXME: if more transports are added they may have
448 * an effect on the expected_guid semantics (i.e.
449 * expected_guid and transport->expected_guid may
450 * both have values). This is very unlikely though
451 * we should either throw asserts here for those
452 * corner cases or refactor the code so it is
453 * clearer on what is expected and what is not
454 */
455 if(expected_guid)
456 transport->expected_guid = expected_guid;
457 }
458
459 return transport;
460}
461
468 DBusTransport *
469_dbus_transport_ref (DBusTransport *transport)
470{
471 _dbus_assert (transport->refcount > 0);
472
473 transport->refcount += 1;
474
475 return transport;
476}
477
485void
486_dbus_transport_unref (DBusTransport *transport)
487{
488 _dbus_assert (transport != NULL);
489 _dbus_assert (transport->refcount > 0);
490
491 transport->refcount -= 1;
492 if (transport->refcount == 0)
493 {
494 _dbus_verbose ("finalizing\n");
495
496 _dbus_assert (transport->vtable->finalize != NULL);
497
498 (* transport->vtable->finalize) (transport);
499 }
500}
501
510void
511_dbus_transport_disconnect (DBusTransport *transport)
512{
513 _dbus_verbose ("start\n");
514
515 _dbus_assert (transport->vtable->disconnect != NULL);
516
517 if (transport->disconnected)
518 return;
519
520 (* transport->vtable->disconnect) (transport);
521
522 transport->disconnected = TRUE;
523
524 _dbus_verbose ("end\n");
525}
526
535 dbus_bool_t
536_dbus_transport_get_is_connected (DBusTransport *transport)
537{
538 return !transport->disconnected;
539}
540
541static dbus_bool_t
542auth_via_unix_user_function (DBusTransport *transport)
543{
544 DBusCredentials *auth_identity;
545 dbus_bool_t allow;
546 DBusConnection *connection;
547 DBusAllowUnixUserFunction unix_user_function;
548 void *unix_user_data;
549 dbus_uid_t uid;
550
551 /* Dropping the lock here probably isn't that safe. */
552
553 auth_identity = _dbus_auth_get_identity (transport->auth);
554 _dbus_assert (auth_identity != NULL);
555
556 connection = transport->connection;
557 unix_user_function = transport->unix_user_function;
558 unix_user_data = transport->unix_user_data;
559 uid = _dbus_credentials_get_unix_uid (auth_identity);
560
561 _dbus_verbose ("unlock\n");
562 _dbus_connection_unlock (connection);
563
564 allow = (* unix_user_function) (connection,
565 uid,
566 unix_user_data);
567
568 _dbus_verbose ("lock post unix user function\n");
569 _dbus_connection_lock (connection);
570
571 if (allow)
572 {
573 _dbus_verbose ("Client UID "DBUS_UID_FORMAT" authorized\n", uid);
574 }
575 else
576 {
577 _dbus_verbose ("Client UID "DBUS_UID_FORMAT
578 " was rejected, disconnecting\n",
579 _dbus_credentials_get_unix_uid (auth_identity));
580 _dbus_transport_disconnect (transport);
581 }
582
583 return allow;
584}
585
586static dbus_bool_t
587auth_via_windows_user_function (DBusTransport *transport)
588{
589 DBusCredentials *auth_identity;
590 dbus_bool_t allow;
591 DBusConnection *connection;
592 DBusAllowWindowsUserFunction windows_user_function;
593 void *windows_user_data;
594 char *windows_sid;
595
596 /* Dropping the lock here probably isn't that safe. */
597
598 auth_identity = _dbus_auth_get_identity (transport->auth);
599 _dbus_assert (auth_identity != NULL);
600
601 connection = transport->connection;
602 windows_user_function = transport->windows_user_function;
603 windows_user_data = transport->unix_user_data;
604 windows_sid = _dbus_strdup (_dbus_credentials_get_windows_sid (auth_identity));
605
606 if (windows_sid == NULL)
607 {
608 /* OOM */
609 return FALSE;
610 }
611
612 _dbus_verbose ("unlock\n");
613 _dbus_connection_unlock (connection);
614
615 allow = (* windows_user_function) (connection,
616 windows_sid,
617 windows_user_data);
618
619 _dbus_verbose ("lock post windows user function\n");
620 _dbus_connection_lock (connection);
621
622 if (allow)
623 {
624 _dbus_verbose ("Client SID '%s' authorized\n", windows_sid);
625 }
626 else
627 {
628 _dbus_verbose ("Client SID '%s' was rejected, disconnecting\n",
629 _dbus_credentials_get_windows_sid (auth_identity));
630 _dbus_transport_disconnect (transport);
631 }
632
633 return allow;
634}
635
636static dbus_bool_t
637auth_via_default_rules (DBusTransport *transport)
638{
639 DBusCredentials *auth_identity;
640 DBusCredentials *our_identity;
641 dbus_bool_t allow;
642
643 auth_identity = _dbus_auth_get_identity (transport->auth);
644 _dbus_assert (auth_identity != NULL);
645
646 /* By default, connection is allowed if the client is 1) root or 2)
647 * has the same UID as us or 3) anonymous is allowed.
648 */
649
650 our_identity = _dbus_credentials_new_from_current_process ();
651 if (our_identity == NULL)
652 {
653 /* OOM */
654 return FALSE;
655 }
656
657 if (transport->allow_anonymous ||
658 _dbus_credentials_get_unix_uid (auth_identity) == 0 ||
659 _dbus_credentials_same_user (our_identity,
660 auth_identity))
661 {
662 if (_dbus_credentials_include(our_identity,DBUS_CREDENTIAL_WINDOWS_SID))
663 _dbus_verbose ("Client authorized as SID '%s'"
664 "matching our SID '%s'\n",
665 _dbus_credentials_get_windows_sid(auth_identity),
666 _dbus_credentials_get_windows_sid(our_identity));
667 else
668 _dbus_verbose ("Client authorized as UID "DBUS_UID_FORMAT
669 " matching our UID "DBUS_UID_FORMAT"\n",
670 _dbus_credentials_get_unix_uid(auth_identity),
671 _dbus_credentials_get_unix_uid(our_identity));
672 /* We have authenticated! */
673 allow = TRUE;
674 }
675 else
676 {
677 if (_dbus_credentials_include(our_identity,DBUS_CREDENTIAL_WINDOWS_SID))
678 _dbus_verbose ("Client authorized as SID '%s'"
679 " but our SID is '%s', disconnecting\n",
680 (_dbus_credentials_get_windows_sid(auth_identity) ?
681 _dbus_credentials_get_windows_sid(auth_identity) : "<null>"),
682 (_dbus_credentials_get_windows_sid(our_identity) ?
683 _dbus_credentials_get_windows_sid(our_identity) : "<null>"));
684 else
685 _dbus_verbose ("Client authorized as UID "DBUS_UID_FORMAT
686 " but our UID is "DBUS_UID_FORMAT", disconnecting\n",
687 _dbus_credentials_get_unix_uid(auth_identity),
688 _dbus_credentials_get_unix_uid(our_identity));
689 _dbus_transport_disconnect (transport);
690 allow = FALSE;
691 }
692
693 _dbus_credentials_unref (our_identity);
694
695 return allow;
696}
697
709 dbus_bool_t
710_dbus_transport_peek_is_authenticated (DBusTransport *transport)
711{
712 return transport->authenticated;
713}
714
732 dbus_bool_t
733_dbus_transport_try_to_authenticate (DBusTransport *transport)
734{
735 if (transport->authenticated)
736 return TRUE;
737 else
738 {
739 dbus_bool_t maybe_authenticated;
740
741 if (transport->disconnected)
742 return FALSE;
743
744 /* paranoia ref since we call user callbacks sometimes */
745 _dbus_connection_ref_unlocked (transport->connection);
746
747 maybe_authenticated =
748 (!(transport->send_credentials_pending ||
749 transport->receive_credentials_pending));
750
751 if (maybe_authenticated)
752 {
753 switch (_dbus_auth_do_work (transport->auth))
754 {
755 case DBUS_AUTH_STATE_AUTHENTICATED:
756 /* leave as maybe_authenticated */
757 break;
758
759 case DBUS_AUTH_STATE_WAITING_FOR_INPUT:
760 case DBUS_AUTH_STATE_WAITING_FOR_MEMORY:
761 case DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND:
762 case DBUS_AUTH_STATE_NEED_DISCONNECT:
763 maybe_authenticated = FALSE;
764 break;
765
766 case DBUS_AUTH_STATE_INVALID:
767 default:
768 _dbus_assert_not_reached ("invalid authentication state");
769 }
770 }
771
772 /* If we're the client, verify the GUID
773 */
774 if (maybe_authenticated && !transport->is_server)
775 {
776 const char *server_guid;
777
778 server_guid = _dbus_auth_get_guid_from_server (transport->auth);
779 _dbus_assert (server_guid != NULL);
780
781 if (transport->expected_guid &&
782 strcmp (transport->expected_guid, server_guid) != 0)
783 {
784 _dbus_verbose ("Client expected GUID '%s' and we got '%s' from the server\n",
785 transport->expected_guid, server_guid);
786 _dbus_transport_disconnect (transport);
787 _dbus_connection_unref_unlocked (transport->connection);
788 return FALSE;
789 }
790 }
791
792 /* If we're the server, see if we want to allow this identity to proceed.
793 */
794 if (maybe_authenticated && transport->is_server)
795 {
796 dbus_bool_t allow;
797 DBusCredentials *auth_identity;
798
799 auth_identity = _dbus_auth_get_identity (transport->auth);
800 _dbus_assert (auth_identity != NULL);
801
802 /* If we have an auth'd user and a user function, delegate
803 * deciding whether auth credentials are good enough to the
804 * app; otherwise, use our default decision process.
805 */
806 if (transport->unix_user_function != NULL &&
807 _dbus_credentials_include (auth_identity, DBUS_CREDENTIAL_UNIX_USER_ID))
808 {
809 allow = auth_via_unix_user_function (transport);
810 }
811 else if (transport->windows_user_function != NULL &&
812 _dbus_credentials_include (auth_identity, DBUS_CREDENTIAL_WINDOWS_SID))
813 {
814 allow = auth_via_windows_user_function (transport);
815 }
816 else
817 {
818 allow = auth_via_default_rules (transport);
819 }
820
821 if (!allow)
822 maybe_authenticated = FALSE;
823 }
824
825 transport->authenticated = maybe_authenticated;
826
827 _dbus_connection_unref_unlocked (transport->connection);
828 return maybe_authenticated;
829 }
830}
831
838 dbus_bool_t
839_dbus_transport_get_is_anonymous (DBusTransport *transport)
840{
841 DBusCredentials *auth_identity;
842
843 if (!transport->authenticated)
844 return TRUE;
845
846 auth_identity = _dbus_auth_get_identity (transport->auth);
847
848 if (_dbus_credentials_are_anonymous (auth_identity))
849 return TRUE;
850 else
851 return FALSE;
852}
853
860 dbus_bool_t
861_dbus_transport_can_pass_unix_fd(DBusTransport *transport)
862{
863 return DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport);
864}
865
873const char*
874_dbus_transport_get_address (DBusTransport *transport)
875{
876 return transport->address;
877}
878
886const char*
887_dbus_transport_get_server_id (DBusTransport *transport)
888{
889 if (transport->is_server)
890 return NULL;
891 else if (transport->authenticated)
892 return _dbus_auth_get_guid_from_server (transport->auth);
893 else
894 return transport->expected_guid;
895}
896
906 dbus_bool_t
907_dbus_transport_handle_watch (DBusTransport *transport,
908 DBusWatch *watch,
909 unsigned int condition)
910{
911 dbus_bool_t retval;
912
913 _dbus_assert (transport->vtable->handle_watch != NULL);
914
915 if (transport->disconnected)
916 return TRUE;
917
918 if (dbus_watch_get_socket (watch) < 0)
919 {
920 _dbus_warn_check_failed ("Tried to handle an invalidated watch; this watch should have been removed");
921 return TRUE;
922 }
923
924 _dbus_watch_sanitize_condition (watch, &condition);
925
926 _dbus_transport_ref (transport);
927 _dbus_watch_ref (watch);
928 retval = (* transport->vtable->handle_watch) (transport, watch, condition);
929 _dbus_watch_unref (watch);
930 _dbus_transport_unref (transport);
931
932 return retval;
933}
934
944 dbus_bool_t
945_dbus_transport_set_connection (DBusTransport *transport,
946 DBusConnection *connection)
947{
948 _dbus_assert (transport->vtable->connection_set != NULL);
949 _dbus_assert (transport->connection == NULL);
950
951 transport->connection = connection;
952
953 _dbus_transport_ref (transport);
954 if (!(* transport->vtable->connection_set) (transport))
955 transport->connection = NULL;
956 _dbus_transport_unref (transport);
957
958 return transport->connection != NULL;
959}
960
968 dbus_bool_t
969_dbus_transport_get_socket_fd (DBusTransport *transport,
970 DBusSocket *fd_p)
971{
972 dbus_bool_t retval;
973
974 if (transport->vtable->get_socket_fd == NULL)
975 return FALSE;
976
977 if (transport->disconnected)
978 return FALSE;
979
980 _dbus_transport_ref (transport);
981
982 retval = (* transport->vtable->get_socket_fd) (transport,
983 fd_p);
984
985 _dbus_transport_unref (transport);
986
987 return retval;
988}
989
1001void
1002_dbus_transport_do_iteration (DBusTransport *transport,
1003 unsigned int flags,
1004 int timeout_milliseconds)
1005{
1006 _dbus_assert (transport->vtable->do_iteration != NULL);
1007
1008 _dbus_verbose ("Transport iteration flags 0x%x timeout %d connected = %d\n",
1009 flags, timeout_milliseconds, !transport->disconnected);
1010
1011 if ((flags & (DBUS_ITERATION_DO_WRITING |
1012 DBUS_ITERATION_DO_READING)) == 0)
1013 return; /* Nothing to do */
1014
1015 if (transport->disconnected)
1016 return;
1017
1018 _dbus_transport_ref (transport);
1019 (* transport->vtable->do_iteration) (transport, flags,
1020 timeout_milliseconds);
1021 _dbus_transport_unref (transport);
1022
1023 _dbus_verbose ("end\n");
1024}
1025
1026static dbus_bool_t
1027recover_unused_bytes (DBusTransport *transport)
1028{
1029 if (_dbus_auth_needs_decoding (transport->auth))
1030 {
1031 DBusString plaintext;
1032 const DBusString *encoded;
1033 DBusString *buffer;
1034 int orig_len;
1035
1036 if (!_dbus_string_init (&plaintext))
1037 goto nomem;
1038
1039 _dbus_auth_get_unused_bytes (transport->auth,
1040 &encoded);
1041
1042 if (!_dbus_auth_decode_data (transport->auth,
1043 encoded, &plaintext))
1044 {
1045 _dbus_string_free (&plaintext);
1046 goto nomem;
1047 }
1048
1049 _dbus_message_loader_get_buffer (transport->loader,
1050 &buffer,
1051 NULL,
1052 NULL);
1053
1054 orig_len = _dbus_string_get_length (buffer);
1055
1056 if (!_dbus_string_move (&plaintext, 0, buffer,
1057 orig_len))
1058 {
1059 _dbus_string_free (&plaintext);
1060 goto nomem;
1061 }
1062
1063 _dbus_verbose (" %d unused bytes sent to message loader\n",
1064 _dbus_string_get_length (buffer) -
1065 orig_len);
1066
1067 _dbus_message_loader_return_buffer (transport->loader,
1068 buffer);
1069
1070 _dbus_auth_delete_unused_bytes (transport->auth);
1071
1072 _dbus_string_free (&plaintext);
1073 }
1074 else
1075 {
1076 const DBusString *bytes;
1077 DBusString *buffer;
1078#ifdef DBUS_ENABLE_VERBOSE_MODE
1079 int orig_len;
1080#endif
1081 dbus_bool_t succeeded;
1082
1083 _dbus_message_loader_get_buffer (transport->loader,
1084 &buffer,
1085 NULL,
1086 NULL);
1087
1088#ifdef DBUS_ENABLE_VERBOSE_MODE
1089 orig_len = _dbus_string_get_length (buffer);
1090#endif
1091
1092 _dbus_auth_get_unused_bytes (transport->auth,
1093 &bytes);
1094
1095 succeeded = TRUE;
1096 if (!_dbus_string_copy (bytes, 0, buffer, _dbus_string_get_length (buffer)))
1097 succeeded = FALSE;
1098
1099 _dbus_verbose (" %d unused bytes sent to message loader\n",
1100 _dbus_string_get_length (buffer) -
1101 orig_len);
1102
1103 _dbus_message_loader_return_buffer (transport->loader,
1104 buffer);
1105
1106 if (succeeded)
1107 _dbus_auth_delete_unused_bytes (transport->auth);
1108 else
1109 goto nomem;
1110 }
1111
1112 return TRUE;
1113
1114 nomem:
1115 _dbus_verbose ("Not enough memory to transfer unused bytes from auth conversation\n");
1116 return FALSE;
1117}
1118
1126 DBusDispatchStatus
1127_dbus_transport_get_dispatch_status (DBusTransport *transport)
1128{
1129 if (_dbus_counter_get_size_value (transport->live_messages) >= transport->max_live_messages_size ||
1130 _dbus_counter_get_unix_fd_value (transport->live_messages) >= transport->max_live_messages_unix_fds)
1131 return DBUS_DISPATCH_COMPLETE; /* complete for now */
1132
1133 if (!_dbus_transport_try_to_authenticate (transport))
1134 {
1135 if (_dbus_auth_do_work (transport->auth) ==
1136 DBUS_AUTH_STATE_WAITING_FOR_MEMORY)
1137 return DBUS_DISPATCH_NEED_MEMORY;
1138 else if (!_dbus_transport_try_to_authenticate (transport))
1139 return DBUS_DISPATCH_COMPLETE;
1140 }
1141
1142 if (!transport->unused_bytes_recovered &&
1143 !recover_unused_bytes (transport))
1144 return DBUS_DISPATCH_NEED_MEMORY;
1145
1146 transport->unused_bytes_recovered = TRUE;
1147
1148 if (!_dbus_message_loader_queue_messages (transport->loader))
1149 return DBUS_DISPATCH_NEED_MEMORY;
1150
1151 if (_dbus_message_loader_peek_message (transport->loader) != NULL)
1152 return DBUS_DISPATCH_DATA_REMAINS;
1153 else
1154 return DBUS_DISPATCH_COMPLETE;
1155}
1156
1165 dbus_bool_t
1166_dbus_transport_queue_messages (DBusTransport *transport)
1167{
1168 DBusDispatchStatus status;
1169
1170#if 0
1171 _dbus_verbose ("enter\n");
1172#endif
1173
1174 /* Queue any messages */
1175 while ((status = _dbus_transport_get_dispatch_status (transport)) == DBUS_DISPATCH_DATA_REMAINS)
1176 {
1177 DBusMessage *message;
1178 DBusList *link;
1179
1180 link = _dbus_message_loader_pop_message_link (transport->loader);
1181 _dbus_assert (link != NULL);
1182
1183 message = link->data;
1184
1185 _dbus_verbose ("queueing received message %p\n", message);
1186
1187 if (!_dbus_message_add_counter (message, transport->live_messages))
1188 {
1189 _dbus_message_loader_putback_message_link (transport->loader,
1190 link);
1191 status = DBUS_DISPATCH_NEED_MEMORY;
1192 break;
1193 }
1194 else
1195 {
1196 /* We didn't call the notify function when we added the counter, so
1197 * catch up now. Since we have the connection's lock, it's desirable
1198 * that we bypass the notify function and call this virtual method
1199 * directly. */
1200 if (transport->vtable->live_messages_changed)
1201 (* transport->vtable->live_messages_changed) (transport);
1202
1203 /* pass ownership of link and message ref to connection */
1204 _dbus_connection_queue_received_message_link (transport->connection,
1205 link);
1206 }
1207 }
1208
1209 if (_dbus_message_loader_get_is_corrupted (transport->loader))
1210 {
1211 _dbus_verbose ("Corrupted message stream, disconnecting\n");
1212 _dbus_transport_disconnect (transport);
1213 }
1214
1215 return status != DBUS_DISPATCH_NEED_MEMORY;
1216}
1217
1224void
1225_dbus_transport_set_max_message_size (DBusTransport *transport,
1226 long size)
1227{
1228 _dbus_message_loader_set_max_message_size (transport->loader, size);
1229}
1230
1237void
1238_dbus_transport_set_max_message_unix_fds (DBusTransport *transport,
1239 long n)
1240{
1241 _dbus_message_loader_set_max_message_unix_fds (transport->loader, n);
1242}
1243
1250long
1251_dbus_transport_get_max_message_size (DBusTransport *transport)
1252{
1253 return _dbus_message_loader_get_max_message_size (transport->loader);
1254}
1255
1262long
1263_dbus_transport_get_max_message_unix_fds (DBusTransport *transport)
1264{
1265 return _dbus_message_loader_get_max_message_unix_fds (transport->loader);
1266}
1267
1274void
1275_dbus_transport_set_max_received_size (DBusTransport *transport,
1276 long size)
1277{
1278 transport->max_live_messages_size = size;
1279 _dbus_counter_set_notify (transport->live_messages,
1280 transport->max_live_messages_size,
1281 transport->max_live_messages_unix_fds,
1282 live_messages_notify,
1283 transport);
1284}
1285
1292void
1293_dbus_transport_set_max_received_unix_fds (DBusTransport *transport,
1294 long n)
1295{
1296 transport->max_live_messages_unix_fds = n;
1297 _dbus_counter_set_notify (transport->live_messages,
1298 transport->max_live_messages_size,
1299 transport->max_live_messages_unix_fds,
1300 live_messages_notify,
1301 transport);
1302}
1303
1310long
1311_dbus_transport_get_max_received_size (DBusTransport *transport)
1312{
1313 return transport->max_live_messages_size;
1314}
1315
1322long
1323_dbus_transport_get_max_received_unix_fds (DBusTransport *transport)
1324{
1325 return transport->max_live_messages_unix_fds;
1326}
1327
1335 dbus_bool_t
1336_dbus_transport_get_unix_user (DBusTransport *transport,
1337 unsigned long *uid)
1338{
1339 DBusCredentials *auth_identity;
1340
1341 *uid = _DBUS_INT32_MAX; /* better than some root or system user in
1342 * case of bugs in the caller. Caller should
1343 * never use this value on purpose, however.
1344 */
1345
1346 if (!transport->authenticated)
1347 return FALSE;
1348
1349 auth_identity = _dbus_auth_get_identity (transport->auth);
1350
1351 if (_dbus_credentials_include (auth_identity,
1352 DBUS_CREDENTIAL_UNIX_USER_ID))
1353 {
1354 *uid = _dbus_credentials_get_unix_uid (auth_identity);
1355 return TRUE;
1356 }
1357 else
1358 return FALSE;
1359}
1360
1368 dbus_bool_t
1369_dbus_transport_get_unix_process_id (DBusTransport *transport,
1370 unsigned long *pid)
1371{
1372 DBusCredentials *auth_identity;
1373
1374 *pid = DBUS_PID_UNSET; /* Caller should never use this value on purpose,
1375 * but we set it to a safe number, INT_MAX,
1376 * just to root out possible bugs in bad callers.
1377 */
1378
1379 if (!transport->authenticated)
1380 return FALSE;
1381
1382 auth_identity = _dbus_auth_get_identity (transport->auth);
1383
1384 if (_dbus_credentials_include (auth_identity,
1385 DBUS_CREDENTIAL_UNIX_PROCESS_ID))
1386 {
1387 *pid = _dbus_credentials_get_pid (auth_identity);
1388 return TRUE;
1389 }
1390 else
1391 return FALSE;
1392}
1393
1402 dbus_bool_t
1403_dbus_transport_get_adt_audit_session_data (DBusTransport *transport,
1404 void **data,
1405 int *data_size)
1406{
1407 DBusCredentials *auth_identity;
1408
1409 *data = NULL;
1410 *data_size = 0;
1411
1412 if (!transport->authenticated)
1413 return FALSE;
1414
1415 auth_identity = _dbus_auth_get_identity (transport->auth);
1416
1417 if (_dbus_credentials_include (auth_identity,
1418 DBUS_CREDENTIAL_ADT_AUDIT_DATA_ID))
1419 {
1420 *data = (void *) _dbus_credentials_get_adt_audit_data (auth_identity);
1421 *data_size = _dbus_credentials_get_adt_audit_data_size (auth_identity);
1422 return TRUE;
1423 }
1424 else
1425 return FALSE;
1426}
1427
1438void
1439_dbus_transport_set_unix_user_function (DBusTransport *transport,
1440 DBusAllowUnixUserFunction function,
1441 void *data,
1442 DBusFreeFunction free_data_function,
1443 void **old_data,
1444 DBusFreeFunction *old_free_data_function)
1445{
1446 *old_data = transport->unix_user_data;
1447 *old_free_data_function = transport->free_unix_user_data;
1448
1449 transport->unix_user_function = function;
1450 transport->unix_user_data = data;
1451 transport->free_unix_user_data = free_data_function;
1452}
1453
1454 dbus_bool_t
1455_dbus_transport_get_linux_security_label (DBusTransport *transport,
1456 char **label_p)
1457{
1458 DBusCredentials *auth_identity;
1459
1460 *label_p = NULL;
1461
1462 if (!transport->authenticated)
1463 return FALSE;
1464
1465 auth_identity = _dbus_auth_get_identity (transport->auth);
1466
1467 if (_dbus_credentials_include (auth_identity,
1468 DBUS_CREDENTIAL_LINUX_SECURITY_LABEL))
1469 {
1470 /* If no memory, we are supposed to return TRUE and set NULL */
1471 *label_p = _dbus_strdup (_dbus_credentials_get_linux_security_label (auth_identity));
1472
1473 return TRUE;
1474 }
1475 else
1476 {
1477 return FALSE;
1478 }
1479}
1480
1488 DBusCredentials *
1489_dbus_transport_get_credentials (DBusTransport *transport)
1490{
1491 if (!transport->authenticated)
1492 return FALSE;
1493
1494 return _dbus_auth_get_identity (transport->auth);
1495}
1496
1504 dbus_bool_t
1505_dbus_transport_get_windows_user (DBusTransport *transport,
1506 char **windows_sid_p)
1507{
1508 DBusCredentials *auth_identity;
1509
1510 *windows_sid_p = NULL;
1511
1512 if (!transport->authenticated)
1513 return FALSE;
1514
1515 auth_identity = _dbus_auth_get_identity (transport->auth);
1516
1517 if (_dbus_credentials_include (auth_identity,
1518 DBUS_CREDENTIAL_WINDOWS_SID))
1519 {
1520 /* If no memory, we are supposed to return TRUE and set NULL */
1521 *windows_sid_p = _dbus_strdup (_dbus_credentials_get_windows_sid (auth_identity));
1522
1523 return TRUE;
1524 }
1525 else
1526 return FALSE;
1527}
1528
1540void
1541_dbus_transport_set_windows_user_function (DBusTransport *transport,
1542 DBusAllowWindowsUserFunction function,
1543 void *data,
1544 DBusFreeFunction free_data_function,
1545 void **old_data,
1546 DBusFreeFunction *old_free_data_function)
1547{
1548 *old_data = transport->windows_user_data;
1549 *old_free_data_function = transport->free_windows_user_data;
1550
1551 transport->windows_user_function = function;
1552 transport->windows_user_data = data;
1553 transport->free_windows_user_data = free_data_function;
1554}
1555
1564 dbus_bool_t
1565_dbus_transport_set_auth_mechanisms (DBusTransport *transport,
1566 const char **mechanisms)
1567{
1568 return _dbus_auth_set_mechanisms (transport->auth, mechanisms);
1569}
1570
1577void
1578_dbus_transport_set_allow_anonymous (DBusTransport *transport,
1579 dbus_bool_t value)
1580{
1581 transport->allow_anonymous = value != FALSE;
1582}
1583
1589int
1590_dbus_transport_get_pending_fds_count (DBusTransport *transport)
1591{
1592 return _dbus_message_loader_get_pending_fds_count (transport->loader);
1593}
1594
1602void
1603_dbus_transport_set_pending_fds_function (DBusTransport *transport,
1604 void (* callback) (void *),
1605 void *data)
1606{
1607 _dbus_message_loader_set_pending_fds_function (transport->loader,
1608 callback, data);
1609}
1610
1611#ifdef DBUS_ENABLE_STATS
1612void
1613_dbus_transport_get_stats (DBusTransport *transport,
1614 dbus_uint32_t *queue_bytes,
1615 dbus_uint32_t *queue_fds,
1616 dbus_uint32_t *peak_queue_bytes,
1617 dbus_uint32_t *peak_queue_fds)
1618{
1619 if (queue_bytes != NULL)
1620 *queue_bytes = _dbus_counter_get_size_value (transport->live_messages);
1621
1622 if (queue_fds != NULL)
1623 *queue_fds = _dbus_counter_get_unix_fd_value (transport->live_messages);
1624
1625 if (peak_queue_bytes != NULL)
1626 *peak_queue_bytes = _dbus_counter_get_peak_size_value (transport->live_messages);
1627
1628 if (peak_queue_fds != NULL)
1629 *peak_queue_fds = _dbus_counter_get_peak_unix_fd_value (transport->live_messages);
1630}
1631#endif /* DBUS_ENABLE_STATS */
1632
_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:70
dbus_address_entries_free
void dbus_address_entries_free(DBusAddressEntry **entries)
Frees a NULL-terminated array of address entries.
Definition dbus-address.c:194
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:368
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:232
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:249
_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:2548
_dbus_auth_get_identity
DBusCredentials * _dbus_auth_get_identity(DBusAuth *auth)
Gets the identity we authorized the client as.
Definition dbus-auth.c:2848
_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:2798
_dbus_auth_unref
void _dbus_auth_unref(DBusAuth *auth)
Decrements the refcount of an auth object.
Definition dbus-auth.c:2463
_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:2513
_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:2691
_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:2872
_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:2767
_dbus_auth_client_new
DBusAuth * _dbus_auth_client_new(void)
Creates a new auth conversation object for the client side.
Definition dbus-auth.c:2410
_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:2364
_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:2674
_dbus_connection_unlock
DBUS_PRIVATE_EXPORT void _dbus_connection_unlock(DBusConnection *connection)
Releases the connection lock.
Definition dbus-connection.c:403
_dbus_connection_lock
DBUS_PRIVATE_EXPORT void _dbus_connection_lock(DBusConnection *connection)
Acquires the connection lock.
Definition dbus-connection.c:392
_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:1447
_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:484
_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:1424
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:146
DBusDispatchStatus
DBusDispatchStatus
Indicates the status of incoming data on a DBusConnection.
Definition dbus-connection.h:83
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:156
DBUS_DISPATCH_NEED_MEMORY
@ DBUS_DISPATCH_NEED_MEMORY
More memory is needed to continue.
Definition dbus-connection.h:86
DBUS_DISPATCH_COMPLETE
@ DBUS_DISPATCH_COMPLETE
All currently available data has been processed.
Definition dbus-connection.h:85
DBUS_DISPATCH_DATA_REMAINS
@ DBUS_DISPATCH_DATA_REMAINS
There is more data to potentially convert to messages.
Definition dbus-connection.h:84
_dbus_credentials_include
dbus_bool_t _dbus_credentials_include(DBusCredentials *credentials, DBusCredentialType type)
Checks whether the given credential is present.
Definition dbus-credentials.c:365
_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:747
_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:440
_dbus_credentials_new_from_current_process
DBusCredentials * _dbus_credentials_new_from_current_process(void)
Creates a new object with the most important credentials (user ID and process ID) from the current pr...
Definition dbus-credentials.c:113
_dbus_credentials_new
DBusCredentials * _dbus_credentials_new(void)
Creates a new credentials object.
Definition dbus-credentials.c:86
_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:479
_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:466
_dbus_credentials_unref
void _dbus_credentials_unref(DBusCredentials *credentials)
Decrement refcount on credentials.
Definition dbus-credentials.c:148
_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:401
_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:492
_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:453
_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:558
DBUS_ERROR_INIT
#define DBUS_ERROR_INIT
Expands to a suitable initializer for a DBusError on the stack.
Definition dbus-errors.h:64
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:281
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:356
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:213
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:331
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition dbus-internals.h:164
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition dbus-internals.h:153
_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:310
_dbus_strdup
char * _dbus_strdup(const char *str)
Duplicates a string.
Definition dbus-internals.c:621
_DBUS_N_ELEMENTS
#define _DBUS_N_ELEMENTS(array)
Computes the number of elements in a fixed-size array using sizeof().
Definition dbus-internals.h:189
_DBUS_INT32_MAX
#define _DBUS_INT32_MAX
Maximum value of type "int32".
Definition dbus-internals.h:323
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
Definition dbus-macros.h:51
TRUE
#define TRUE
Expands to "1".
Definition dbus-macros.h:41
FALSE
#define FALSE
Expands to "0".
Definition dbus-macros.h:44
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition dbus-memory.c:710
DBusFreeFunction
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory.
Definition dbus-memory.h:65
_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:4843
_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:4814
_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:4239
_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:4922
_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:4798
_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:4904
_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:4274
_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:376
_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:4755
_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:4874
_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:4862
_dbus_message_loader_new
DBUS_PRIVATE_EXPORT DBusMessageLoader * _dbus_message_loader_new(void)
Creates a new message loader.
Definition dbus-message.c:4177
_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:4786
_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:4692
_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:4380
_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:4893
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition dbus-protocol.h:363
_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:313
_dbus_counter_new
DBusCounter * _dbus_counter_new(void)
Creates a new DBusCounter.
Definition dbus-resources.c:91
_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:292
_dbus_counter_unref
void _dbus_counter_unref(DBusCounter *counter)
Decrements refcount of the counter and possibly finalizes the counter.
Definition dbus-resources.c:138
_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:276
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition dbus-string.c:182
_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:1345
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init(), and fills it with the same contents as _DBUS_STRING_IN...
Definition dbus-string.c:278
_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:717
_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:1321
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition dbus-sysdeps.h:141
DBUS_PID_UNSET
#define DBUS_PID_UNSET
an invalid PID used to represent an uninitialized dbus_pid_t field
Definition dbus-sysdeps.h:146
DBUS_UID_FORMAT
#define DBUS_UID_FORMAT
an appropriate printf format for dbus_uid_t
Definition dbus-sysdeps.h:155
_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:4299
_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:1457
_dbus_transport_open_unix_socket
DBusTransportOpenResult _dbus_transport_open_unix_socket(DBusAddressEntry *entry, DBusTransport **transport_p, DBusError *error)
Opens a UNIX socket transport.
Definition dbus-transport-socket.c:1584
_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:52
_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:1225
_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:1275
_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:1127
_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:1565
_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:1590
_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:1403
_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:1505
_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:1166
_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:969
_dbus_transport_get_address
const char * _dbus_transport_get_address(DBusTransport *transport)
Gets the address of a transport.
Definition dbus-transport.c:874
_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:907
_dbus_transport_ref
DBusTransport * _dbus_transport_ref(DBusTransport *transport)
Increments the reference count for the transport.
Definition dbus-transport.c:469
_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:710
_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:1578
_dbus_transport_disconnect
void _dbus_transport_disconnect(DBusTransport *transport)
Closes our end of the connection to a remote application.
Definition dbus-transport.c:511
_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:1311
_dbus_transport_get_credentials
DBusCredentials * _dbus_transport_get_credentials(DBusTransport *transport)
If the transport has already been authenticated, return its credentials.
Definition dbus-transport.c:1489
_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:945
_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:1439
_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:1263
_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:104
_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:1293
_dbus_transport_unref
void _dbus_transport_unref(DBusTransport *transport)
Decrements the reference count for the transport.
Definition dbus-transport.c:486
_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:861
_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:733
_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:1002
_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:1323
_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:536
_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:1238
_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:1603
_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:1541
_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:1251
_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:1369
_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:373
_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:887
_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:839
_dbus_transport_finalize_base
void _dbus_transport_finalize_base(DBusTransport *transport)
Finalizes base class members of DBusTransport.
Definition dbus-transport.c:218
_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:1336
dbus_uint32_t
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
Definition dbus-arch-deps.h:45
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition dbus-types.h:37
_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:187
_dbus_watch_ref
DBusWatch * _dbus_watch_ref(DBusWatch *watch)
Increments the reference count of a DBusWatch object.
Definition dbus-watch.c:126
_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:140
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:595
DBusAddressEntry
Internals of DBusAddressEntry.
Definition dbus-address.c:49
DBusAuth
Internal members of DBusAuth.
Definition dbus-auth.c:156
DBusConnection
Implementation details of DBusConnection.
Definition dbus-connection.c:259
DBusCounter
Internals of DBusCounter.
Definition dbus-resources.c:57
DBusCredentials
Definition dbus-credentials.c:60
DBusError
Object representing an exception.
Definition dbus-errors.h:51
DBusList
A node in a linked list.
Definition dbus-list.h:37
DBusList::data
void * data
Data stored at this element.
Definition dbus-list.h:40
DBusMessageLoader
Implementation details of DBusMessageLoader.
Definition dbus-message-private.h:63
DBusMessage
Internals of DBusMessage.
Definition dbus-message-private.h:102
DBusSocket
Socket interface.
Definition dbus-sysdeps.h:185
DBusString
Definition dbus-string.h:47
DBusTransportVTable
The virtual table that must be implemented to create a new kind of transport.
Definition dbus-transport-protected.h:44
DBusTransportVTable::get_socket_fd
dbus_bool_t(* get_socket_fd)(DBusTransport *transport, DBusSocket *fd_p)
Get socket file descriptor.
Definition dbus-transport-protected.h:71
DBusTransportVTable::disconnect
void(* disconnect)(DBusTransport *transport)
Disconnect this transport.
Definition dbus-transport-protected.h:55
DBusTransportVTable::live_messages_changed
void(* live_messages_changed)(DBusTransport *transport)
Outstanding messages counter changed.
Definition dbus-transport-protected.h:68
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:61
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:48
DBusTransportVTable::finalize
void(* finalize)(DBusTransport *transport)
The finalize method must free the transport.
Definition dbus-transport-protected.h:45
DBusTransportVTable::connection_set
dbus_bool_t(* connection_set)(DBusTransport *transport)
Called when transport->connection has been filled in.
Definition dbus-transport-protected.h:58
DBusTransport
Object representing a transport such as a socket.
Definition dbus-transport-protected.h:83
DBusTransport::authenticated
unsigned int authenticated
Cache of auth state; use _dbus_transport_peek_is_authenticated() to query value.
Definition dbus-transport-protected.h:116
DBusTransport::windows_user_function
DBusAllowWindowsUserFunction windows_user_function
Function for checking whether a user is authorized.
Definition dbus-transport-protected.h:110
DBusTransport::refcount
int refcount
Reference count.
Definition dbus-transport-protected.h:84
DBusTransport::max_live_messages_size
long max_live_messages_size
Max total size of received messages.
Definition dbus-transport-protected.h:96
DBusTransport::max_live_messages_unix_fds
long max_live_messages_unix_fds
Max total unix fds of received messages.
Definition dbus-transport-protected.h:97
DBusTransport::allow_anonymous
unsigned int allow_anonymous
TRUE if an anonymous client can connect
Definition dbus-transport-protected.h:121
DBusTransport::windows_user_data
void * windows_user_data
Data for windows_user_function.
Definition dbus-transport-protected.h:111
DBusTransport::is_server
unsigned int is_server
TRUE if on the server side
Definition dbus-transport-protected.h:119
DBusTransport::disconnected
unsigned int disconnected
TRUE if we are disconnected.
Definition dbus-transport-protected.h:115
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:101
DBusTransport::unused_bytes_recovered
unsigned int unused_bytes_recovered
TRUE if we've recovered unused bytes from auth
Definition dbus-transport-protected.h:120
DBusTransport::vtable
const DBusTransportVTable * vtable
Virtual methods for this instance.
Definition dbus-transport-protected.h:86
DBusTransport::free_unix_user_data
DBusFreeFunction free_unix_user_data
Function to free unix_user_data.
Definition dbus-transport-protected.h:108
DBusTransport::send_credentials_pending
unsigned int send_credentials_pending
TRUE if we need to send credentials
Definition dbus-transport-protected.h:117
DBusTransport::unix_user_data
void * unix_user_data
Data for unix_user_function.
Definition dbus-transport-protected.h:106
DBusTransport::connection
DBusConnection * connection
Connection owning this transport.
Definition dbus-transport-protected.h:88
DBusTransport::receive_credentials_pending
unsigned int receive_credentials_pending
TRUE if we need to receive credentials
Definition dbus-transport-protected.h:118
DBusTransport::loader
DBusMessageLoader * loader
Message-loading buffer.
Definition dbus-transport-protected.h:90
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:103
DBusTransport::free_windows_user_data
DBusFreeFunction free_windows_user_data
Function to free windows_user_data.
Definition dbus-transport-protected.h:113
DBusTransport::unix_user_function
DBusAllowUnixUserFunction unix_user_function
Function for checking whether a user is authorized.
Definition dbus-transport-protected.h:105
DBusTransport::credentials
DBusCredentials * credentials
Credentials of other end read from the socket.
Definition dbus-transport-protected.h:94
DBusTransport::auth
DBusAuth * auth
Authentication conversation.
Definition dbus-transport-protected.h:92
DBusTransport::live_messages
DBusCounter * live_messages
Counter for size/unix fds of all live messages.
Definition dbus-transport-protected.h:99
DBusWatch
Implementation of DBusWatch.
Definition dbus-watch.c:43