D-Bus  1.13.7
dbus-server.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-server.c DBusServer object
3  *
4  * Copyright (C) 2002, 2003, 2004, 2005 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-server.h"
26 #include "dbus-server-unix.h"
27 #include "dbus-server-socket.h"
28 #include "dbus-string.h"
29 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
30 #include "dbus-server-debug-pipe.h"
31 #endif
32 #include "dbus-address.h"
33 #include "dbus-protocol.h"
34 
56 #ifndef _dbus_server_trace_ref
57 void
58 _dbus_server_trace_ref (DBusServer *server,
59  int old_refcount,
60  int new_refcount,
61  const char *why)
62 {
63  static int enabled = -1;
64 
65  _dbus_trace_ref ("DBusServer", server, old_refcount, new_refcount, why,
66  "DBUS_SERVER_TRACE", &enabled);
67 }
68 #endif
69 
70 /* this is a little fragile since it assumes the address doesn't
71  * already have a guid, but it shouldn't
72  */
73 static char*
74 copy_address_with_guid_appended (const DBusString *address,
75  const DBusString *guid_hex)
76 {
77  DBusString with_guid;
78  char *retval;
79 
80  if (!_dbus_string_init (&with_guid))
81  return NULL;
82 
83  if (!_dbus_string_copy (address, 0, &with_guid,
84  _dbus_string_get_length (&with_guid)) ||
85  !_dbus_string_append (&with_guid, ",guid=") ||
86  !_dbus_string_copy (guid_hex, 0,
87  &with_guid, _dbus_string_get_length (&with_guid)))
88  {
89  _dbus_string_free (&with_guid);
90  return NULL;
91  }
92 
93  retval = NULL;
94  _dbus_string_steal_data (&with_guid, &retval);
95 
96  _dbus_string_free (&with_guid);
97 
98  return retval; /* may be NULL if steal_data failed */
99 }
100 
113  const DBusServerVTable *vtable,
114  const DBusString *address,
115  DBusError *error)
116 {
117  server->vtable = vtable;
118 
119 #ifdef DBUS_DISABLE_ASSERT
120  _dbus_atomic_inc (&server->refcount);
121 #else
122  {
123  dbus_int32_t old_refcount = _dbus_atomic_inc (&server->refcount);
124 
125  _dbus_assert (old_refcount == 0);
126  }
127 #endif
128 
129  server->address = NULL;
130  server->watches = NULL;
131  server->timeouts = NULL;
132  server->published_address = FALSE;
133 
134  if (!_dbus_string_init (&server->guid_hex))
135  {
136  _DBUS_SET_OOM (error);
137  return FALSE;
138  }
139 
140  if (!_dbus_generate_uuid (&server->guid, error))
141  goto failed;
142 
143  if (!_dbus_uuid_encode (&server->guid, &server->guid_hex))
144  goto oom;
145 
146  server->address = copy_address_with_guid_appended (address,
147  &server->guid_hex);
148  if (server->address == NULL)
149  goto oom;
150 
152  if (server->mutex == NULL)
153  goto oom;
154 
155  server->watches = _dbus_watch_list_new ();
156  if (server->watches == NULL)
157  goto oom;
158 
159  server->timeouts = _dbus_timeout_list_new ();
160  if (server->timeouts == NULL)
161  goto oom;
162 
164 
165  _dbus_verbose ("Initialized server on address %s\n", server->address);
166 
167  return TRUE;
168 
169  oom:
170  _DBUS_SET_OOM (error);
171  failed:
173  server->mutex = NULL;
174  if (server->watches)
175  {
176  _dbus_watch_list_free (server->watches);
177  server->watches = NULL;
178  }
179  if (server->timeouts)
180  {
182  server->timeouts = NULL;
183  }
184  if (server->address)
185  {
186  dbus_free (server->address);
187  server->address = NULL;
188  }
189  _dbus_string_free (&server->guid_hex);
190 
191  return FALSE;
192 }
193 
200 void
202 {
203  /* We don't have the lock, but nobody should be accessing
204  * concurrently since they don't have a ref
205  */
206 #ifndef DBUS_DISABLE_CHECKS
207  _dbus_assert (!server->have_server_lock);
208 #endif
209  _dbus_assert (server->disconnected);
210 
211  /* calls out to application code... */
213 
215 
216  _dbus_watch_list_free (server->watches);
218 
220 
221  dbus_free (server->address);
222 
224 
225  _dbus_string_free (&server->guid_hex);
226 }
227 
228 
231  DBusWatch *watch);
233 typedef void (* DBusWatchRemoveFunction) (DBusWatchList *list,
234  DBusWatch *watch);
236 typedef void (* DBusWatchToggleFunction) (DBusWatchList *list,
237  DBusWatch *watch,
238  dbus_bool_t enabled);
239 
240 static dbus_bool_t
241 protected_change_watch (DBusServer *server,
242  DBusWatch *watch,
243  DBusWatchAddFunction add_function,
244  DBusWatchRemoveFunction remove_function,
245  DBusWatchToggleFunction toggle_function,
246  dbus_bool_t enabled)
247 {
248  DBusWatchList *watches;
249  dbus_bool_t retval;
250 
251  HAVE_LOCK_CHECK (server);
252 
253  /* This isn't really safe or reasonable; a better pattern is the "do
254  * everything, then drop lock and call out" one; but it has to be
255  * propagated up through all callers
256  */
257 
258  watches = server->watches;
259  if (watches)
260  {
261  server->watches = NULL;
262  _dbus_server_ref_unlocked (server);
263  SERVER_UNLOCK (server);
264 
265  if (add_function)
266  retval = (* add_function) (watches, watch);
267  else if (remove_function)
268  {
269  retval = TRUE;
270  (* remove_function) (watches, watch);
271  }
272  else
273  {
274  retval = TRUE;
275  (* toggle_function) (watches, watch, enabled);
276  }
277 
278  SERVER_LOCK (server);
279  server->watches = watches;
281 
282  return retval;
283  }
284  else
285  return FALSE;
286 }
287 
297  DBusWatch *watch)
298 {
299  HAVE_LOCK_CHECK (server);
300  return protected_change_watch (server, watch,
302  NULL, NULL, FALSE);
303 }
304 
311 void
313  DBusWatch *watch)
314 {
315  HAVE_LOCK_CHECK (server);
316  protected_change_watch (server, watch,
317  NULL,
319  NULL, FALSE);
320 }
321 
329 void
331  dbus_bool_t enabled)
332 {
333  _dbus_watch_list_toggle_all_watches (server->watches, enabled);
334 }
335 
338  DBusTimeout *timeout);
341  DBusTimeout *timeout);
344  DBusTimeout *timeout,
345  dbus_bool_t enabled);
346 
347 
348 static dbus_bool_t
349 protected_change_timeout (DBusServer *server,
350  DBusTimeout *timeout,
351  DBusTimeoutAddFunction add_function,
352  DBusTimeoutRemoveFunction remove_function,
353  DBusTimeoutToggleFunction toggle_function,
354  dbus_bool_t enabled)
355 {
356  DBusTimeoutList *timeouts;
357  dbus_bool_t retval;
358 
359  HAVE_LOCK_CHECK (server);
360 
361  /* This isn't really safe or reasonable; a better pattern is the "do everything, then
362  * drop lock and call out" one; but it has to be propagated up through all callers
363  */
364 
365  timeouts = server->timeouts;
366  if (timeouts)
367  {
368  server->timeouts = NULL;
369  _dbus_server_ref_unlocked (server);
370  SERVER_UNLOCK (server);
371 
372  if (add_function)
373  retval = (* add_function) (timeouts, timeout);
374  else if (remove_function)
375  {
376  retval = TRUE;
377  (* remove_function) (timeouts, timeout);
378  }
379  else
380  {
381  retval = TRUE;
382  (* toggle_function) (timeouts, timeout, enabled);
383  }
384 
385  SERVER_LOCK (server);
386  server->timeouts = timeouts;
388 
389  return retval;
390  }
391  else
392  return FALSE;
393 }
394 
406  DBusTimeout *timeout)
407 {
408  return protected_change_timeout (server, timeout,
410  NULL, NULL, FALSE);
411 }
412 
419 void
421  DBusTimeout *timeout)
422 {
423  protected_change_timeout (server, timeout,
424  NULL,
426  NULL, FALSE);
427 }
428 
438 void
440  DBusTimeout *timeout,
441  dbus_bool_t enabled)
442 {
443  protected_change_timeout (server, timeout,
444  NULL, NULL,
446  enabled);
447 }
448 
449 
455 void
457 {
458  dbus_int32_t old_refcount;
459 
460  _dbus_assert (server != NULL);
461  HAVE_LOCK_CHECK (server);
462 
463  old_refcount = _dbus_atomic_inc (&server->refcount);
464  _dbus_assert (old_refcount > 0);
465  _dbus_server_trace_ref (server, old_refcount, old_refcount + 1,
466  "ref_unlocked");
467 }
468 
474 void
476 {
477  dbus_int32_t old_refcount;
478 
479  /* Keep this in sync with dbus_server_unref */
480 
481  _dbus_assert (server != NULL);
482 
483  HAVE_LOCK_CHECK (server);
484 
485  old_refcount = _dbus_atomic_dec (&server->refcount);
486  _dbus_assert (old_refcount > 0);
487 
488  _dbus_server_trace_ref (server, old_refcount, old_refcount - 1,
489  "unref_unlocked");
490 
491  if (old_refcount == 1)
492  {
493  _dbus_assert (server->disconnected);
494 
495  SERVER_UNLOCK (server);
496 
497  _dbus_assert (server->vtable->finalize != NULL);
498 
499  (* server->vtable->finalize) (server);
500  }
501 }
502 
524 static const struct {
525  DBusServerListenResult (* func) (DBusAddressEntry *entry,
526  DBusServer **server_p,
527  DBusError *error);
528 } listen_funcs[] = {
531 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
532  , { _dbus_server_listen_debug_pipe }
533 #endif
534 };
535 
556 DBusServer*
557 dbus_server_listen (const char *address,
558  DBusError *error)
559 {
560  DBusServer *server;
561  DBusAddressEntry **entries;
562  int len, i;
563  DBusError first_connect_error = DBUS_ERROR_INIT;
564  dbus_bool_t handled_once;
565 
566  _dbus_return_val_if_fail (address != NULL, NULL);
567  _dbus_return_val_if_error_is_set (error, NULL);
568 
569  if (!dbus_parse_address (address, &entries, &len, error))
570  return NULL;
571 
572  server = NULL;
573  handled_once = FALSE;
574 
575  for (i = 0; i < len; i++)
576  {
577  int j;
578 
579  for (j = 0; j < (int) _DBUS_N_ELEMENTS (listen_funcs); ++j)
580  {
581  DBusServerListenResult result;
582  DBusError tmp_error = DBUS_ERROR_INIT;
583 
584  result = (* listen_funcs[j].func) (entries[i],
585  &server,
586  &tmp_error);
587 
588  if (result == DBUS_SERVER_LISTEN_OK)
589  {
590  _dbus_assert (server != NULL);
591  _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
592  handled_once = TRUE;
593  goto out;
594  }
595  else if (result == DBUS_SERVER_LISTEN_ADDRESS_ALREADY_USED)
596  {
597  _dbus_assert (server == NULL);
598  _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
599  dbus_set_error (error,
601  "Address '%s' already used",
602  dbus_address_entry_get_method (entries[0]));
603  handled_once = TRUE;
604  goto out;
605  }
606  else if (result == DBUS_SERVER_LISTEN_BAD_ADDRESS)
607  {
608  _dbus_assert (server == NULL);
609  _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
610  dbus_move_error (&tmp_error, error);
611  handled_once = TRUE;
612  goto out;
613  }
614  else if (result == DBUS_SERVER_LISTEN_NOT_HANDLED)
615  {
616  _dbus_assert (server == NULL);
617  _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
618 
619  /* keep trying addresses */
620  }
621  else if (result == DBUS_SERVER_LISTEN_DID_NOT_CONNECT)
622  {
623  _dbus_assert (server == NULL);
624  _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
625  if (!dbus_error_is_set (&first_connect_error))
626  dbus_move_error (&tmp_error, &first_connect_error);
627  else
628  dbus_error_free (&tmp_error);
629 
630  handled_once = TRUE;
631 
632  /* keep trying addresses */
633  }
634  else
635  {
636  _dbus_assert_not_reached ("Unknown result in dbus_server_listen");
637  }
638  }
639 
640  _dbus_assert (server == NULL);
641  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
642  }
643 
644  out:
645 
646  if (!handled_once)
647  {
648  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
649  if (len > 0)
650  dbus_set_error (error,
652  "Unknown address type '%s'",
653  dbus_address_entry_get_method (entries[0]));
654  else
655  dbus_set_error (error,
657  "Empty address '%s'",
658  address);
659  }
660 
661  dbus_address_entries_free (entries);
662 
663  if (server == NULL)
664  {
665  _dbus_assert (error == NULL || dbus_error_is_set (&first_connect_error) ||
666  dbus_error_is_set (error));
667 
668  if (error && dbus_error_is_set (error))
669  {
670  /* already set the error */
671  }
672  else
673  {
674  /* didn't set the error but either error should be
675  * NULL or first_connect_error should be set.
676  */
677  _dbus_assert (error == NULL || dbus_error_is_set (&first_connect_error));
678  dbus_move_error (&first_connect_error, error);
679  }
680 
681  _DBUS_ASSERT_ERROR_IS_CLEAR (&first_connect_error); /* be sure we freed it */
682  _DBUS_ASSERT_ERROR_IS_SET (error);
683 
684  return NULL;
685  }
686  else
687  {
688  dbus_error_free (&first_connect_error);
689  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
690  return server;
691  }
692 }
693 
700 DBusServer *
702 {
703  dbus_int32_t old_refcount;
704 
705  _dbus_return_val_if_fail (server != NULL, NULL);
706 
707  old_refcount = _dbus_atomic_inc (&server->refcount);
708 
709 #ifndef DBUS_DISABLE_CHECKS
710  if (_DBUS_UNLIKELY (old_refcount <= 0))
711  {
712  _dbus_atomic_dec (&server->refcount);
713  _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, "old_refcount > 0",
714  __FILE__, __LINE__);
715  return NULL;
716  }
717 #endif
718 
719  _dbus_server_trace_ref (server, old_refcount, old_refcount + 1, "ref");
720 
721  return server;
722 }
723 
732 void
734 {
735  dbus_int32_t old_refcount;
736 
737  /* keep this in sync with unref_unlocked */
738 
739  _dbus_return_if_fail (server != NULL);
740 
741  old_refcount = _dbus_atomic_dec (&server->refcount);
742 
743 #ifndef DBUS_DISABLE_CHECKS
744  if (_DBUS_UNLIKELY (old_refcount <= 0))
745  {
746  /* undo side-effect first
747  * please do not try to simplify the code here by using
748  * _dbus_atomic_get(), why we don't use it is
749  * because it issues another atomic operation even though
750  * DBUS_DISABLE_CHECKS defined.
751  * Bug: https://bugs.freedesktop.org/show_bug.cgi?id=68303
752  */
753  _dbus_atomic_inc (&server->refcount);
754  _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, "old_refcount > 0",
755  __FILE__, __LINE__);
756  return;
757  }
758 #endif
759 
760  _dbus_server_trace_ref (server, old_refcount, old_refcount - 1, "unref");
761 
762  if (old_refcount == 1)
763  {
764  /* lock not held! */
765  _dbus_assert (server->disconnected);
766 
767  _dbus_assert (server->vtable->finalize != NULL);
768 
769  (* server->vtable->finalize) (server);
770  }
771 }
772 
773 void
774 _dbus_server_disconnect_unlocked (DBusServer *server)
775 {
776  _dbus_assert (server->vtable->disconnect != NULL);
777 
778  if (!server->disconnected)
779  {
780  /* this has to be first so recursive calls to disconnect don't happen */
781  server->disconnected = TRUE;
782 
783  (* server->vtable->disconnect) (server);
784  }
785 }
786 
795 void
797 {
798  _dbus_return_if_fail (server != NULL);
799 
800  dbus_server_ref (server);
801  SERVER_LOCK (server);
802 
803  _dbus_server_disconnect_unlocked (server);
804 
805  SERVER_UNLOCK (server);
806  dbus_server_unref (server);
807 }
808 
816 {
817  dbus_bool_t retval;
818 
819  _dbus_return_val_if_fail (server != NULL, FALSE);
820 
821  SERVER_LOCK (server);
822  retval = !server->disconnected;
823  SERVER_UNLOCK (server);
824 
825  return retval;
826 }
827 
835 char*
837 {
838  char *retval;
839 
840  _dbus_return_val_if_fail (server != NULL, NULL);
841 
842  SERVER_LOCK (server);
843  retval = _dbus_strdup (server->address);
844  SERVER_UNLOCK (server);
845 
846  return retval;
847 }
848 
871 char*
873 {
874  char *retval;
875 
876  _dbus_return_val_if_fail (server != NULL, NULL);
877 
878  SERVER_LOCK (server);
879  retval = NULL;
880  _dbus_string_copy_data (&server->guid_hex, &retval);
881  SERVER_UNLOCK (server);
882 
883  return retval;
884 }
885 
906 void
908  DBusNewConnectionFunction function,
909  void *data,
910  DBusFreeFunction free_data_function)
911 {
912  DBusFreeFunction old_free_function;
913  void *old_data;
914 
915  _dbus_return_if_fail (server != NULL);
916 
917  SERVER_LOCK (server);
918  old_free_function = server->new_connection_free_data_function;
919  old_data = server->new_connection_data;
920 
921  server->new_connection_function = function;
922  server->new_connection_data = data;
923  server->new_connection_free_data_function = free_data_function;
924  SERVER_UNLOCK (server);
925 
926  if (old_free_function != NULL)
927  (* old_free_function) (old_data);
928 }
929 
948  DBusAddWatchFunction add_function,
949  DBusRemoveWatchFunction remove_function,
950  DBusWatchToggledFunction toggled_function,
951  void *data,
952  DBusFreeFunction free_data_function)
953 {
954  dbus_bool_t result;
955  DBusWatchList *watches;
956 
957  _dbus_return_val_if_fail (server != NULL, FALSE);
958 
959  SERVER_LOCK (server);
960  watches = server->watches;
961  server->watches = NULL;
962  if (watches)
963  {
964  SERVER_UNLOCK (server);
965  result = _dbus_watch_list_set_functions (watches,
966  add_function,
967  remove_function,
968  toggled_function,
969  data,
970  free_data_function);
971  SERVER_LOCK (server);
972  }
973  else
974  {
975  _dbus_warn_check_failed ("Re-entrant call to %s", _DBUS_FUNCTION_NAME);
976  result = FALSE;
977  }
978  server->watches = watches;
979  SERVER_UNLOCK (server);
980 
981  return result;
982 }
983 
1001  DBusAddTimeoutFunction add_function,
1002  DBusRemoveTimeoutFunction remove_function,
1003  DBusTimeoutToggledFunction toggled_function,
1004  void *data,
1005  DBusFreeFunction free_data_function)
1006 {
1007  dbus_bool_t result;
1008  DBusTimeoutList *timeouts;
1009 
1010  _dbus_return_val_if_fail (server != NULL, FALSE);
1011 
1012  SERVER_LOCK (server);
1013  timeouts = server->timeouts;
1014  server->timeouts = NULL;
1015  if (timeouts)
1016  {
1017  SERVER_UNLOCK (server);
1018  result = _dbus_timeout_list_set_functions (timeouts,
1019  add_function,
1020  remove_function,
1021  toggled_function,
1022  data,
1023  free_data_function);
1024  SERVER_LOCK (server);
1025  }
1026  else
1027  {
1028  _dbus_warn_check_failed ("Re-entrant call to %s", _DBUS_FUNCTION_NAME);
1029  result = FALSE;
1030  }
1031  server->timeouts = timeouts;
1032  SERVER_UNLOCK (server);
1033 
1034  return result;
1035 }
1036 
1052  const char **mechanisms)
1053 {
1054  char **copy;
1055 
1056  _dbus_return_val_if_fail (server != NULL, FALSE);
1057 
1058  SERVER_LOCK (server);
1059 
1060  if (mechanisms != NULL)
1061  {
1062  copy = _dbus_dup_string_array (mechanisms);
1063  if (copy == NULL)
1064  {
1065  SERVER_UNLOCK (server);
1066  return FALSE;
1067  }
1068  }
1069  else
1070  copy = NULL;
1071 
1073  server->auth_mechanisms = copy;
1074 
1075  SERVER_UNLOCK (server);
1076 
1077  return TRUE;
1078 }
1079 
1080 static DBusDataSlotAllocator slot_allocator =
1081  _DBUS_DATA_SLOT_ALLOCATOR_INIT (_DBUS_LOCK_NAME (server_slots));
1082 
1098 dbus_server_allocate_data_slot (dbus_int32_t *slot_p)
1099 {
1100  return _dbus_data_slot_allocator_alloc (&slot_allocator,
1101  slot_p);
1102 }
1103 
1115 void
1116 dbus_server_free_data_slot (dbus_int32_t *slot_p)
1117 {
1118  _dbus_return_if_fail (*slot_p >= 0);
1119 
1120  _dbus_data_slot_allocator_free (&slot_allocator, slot_p);
1121 }
1122 
1138  int slot,
1139  void *data,
1140  DBusFreeFunction free_data_func)
1141 {
1142  DBusFreeFunction old_free_func;
1143  void *old_data;
1144  dbus_bool_t retval;
1145 
1146  _dbus_return_val_if_fail (server != NULL, FALSE);
1147 
1148  SERVER_LOCK (server);
1149 
1150  retval = _dbus_data_slot_list_set (&slot_allocator,
1151  &server->slot_list,
1152  slot, data, free_data_func,
1153  &old_free_func, &old_data);
1154 
1155 
1156  SERVER_UNLOCK (server);
1157 
1158  if (retval)
1159  {
1160  /* Do the actual free outside the server lock */
1161  if (old_free_func)
1162  (* old_free_func) (old_data);
1163  }
1164 
1165  return retval;
1166 }
1167 
1176 void*
1178  int slot)
1179 {
1180  void *res;
1181 
1182  _dbus_return_val_if_fail (server != NULL, NULL);
1183 
1184  SERVER_LOCK (server);
1185 
1186  res = _dbus_data_slot_list_get (&slot_allocator,
1187  &server->slot_list,
1188  slot);
1189 
1190  SERVER_UNLOCK (server);
1191 
1192  return res;
1193 }
1194 
1197 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
1198 #include "dbus-test.h"
1199 #include <string.h>
1200 
1202 _dbus_server_test (void)
1203 {
1204  const char *valid_addresses[] = {
1205  "tcp:port=1234",
1206  "tcp:host=localhost,port=1234",
1207  "tcp:host=localhost,port=1234;tcp:port=5678",
1208 #ifdef DBUS_UNIX
1209  "unix:path=./boogie",
1210  "tcp:port=1234;unix:path=./boogie",
1211 #endif
1212  };
1213 
1214  DBusServer *server;
1215  int i;
1216 
1217  for (i = 0; i < _DBUS_N_ELEMENTS (valid_addresses); i++)
1218  {
1219  DBusError error = DBUS_ERROR_INIT;
1220  char *address;
1221  char *id;
1222 
1223  server = dbus_server_listen (valid_addresses[i], &error);
1224  if (server == NULL)
1225  {
1226  _dbus_warn ("server listen error: %s: %s", error.name, error.message);
1227  dbus_error_free (&error);
1228  _dbus_assert_not_reached ("Failed to listen for valid address.");
1229  }
1230 
1231  id = dbus_server_get_id (server);
1232  _dbus_assert (id != NULL);
1233  address = dbus_server_get_address (server);
1234  _dbus_assert (address != NULL);
1235 
1236  if (strstr (address, id) == NULL)
1237  {
1238  _dbus_warn ("server id '%s' is not in the server address '%s'",
1239  id, address);
1240  _dbus_assert_not_reached ("bad server id or address");
1241  }
1242 
1243  dbus_free (id);
1244  dbus_free (address);
1245 
1246  dbus_server_disconnect (server);
1247  dbus_server_unref (server);
1248  }
1249 
1250  return TRUE;
1251 }
1252 
1253 #endif /* DBUS_ENABLE_EMBEDDED_TESTS */
dbus_bool_t _dbus_string_append(DBusString *str, const char *buffer)
Appends a nul-terminated C-style string to a DBusString.
Definition: dbus-string.c:952
Internals of DBusTimeout.
Definition: dbus-timeout.c:40
void dbus_server_free_data_slot(dbus_int32_t *slot_p)
Deallocates a global ID for server data slots.
Definition: dbus-server.c:1116
dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
dbus_bool_t _dbus_server_add_watch(DBusServer *server, DBusWatch *watch)
Adds a watch for this server, chaining out to application-provided watch handlers.
Definition: dbus-server.c:296
const char * message
public error message field
Definition: dbus-errors.h:51
Implementation of DBusWatch.
Definition: dbus-watch.c:40
#define NULL
A null pointer, defined appropriately for C or C++.
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory.
Definition: dbus-memory.h:63
dbus_bool_t _dbus_timeout_list_set_functions(DBusTimeoutList *timeout_list, DBusAddTimeoutFunction add_function, DBusRemoveTimeoutFunction remove_function, DBusTimeoutToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the timeout functions.
Definition: dbus-timeout.c:241
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:703
void(* disconnect)(DBusServer *server)
Disconnect this server.
unsigned int disconnected
TRUE if we are disconnected.
void(* DBusWatchToggledFunction)(DBusWatch *watch, void *data)
Called when dbus_watch_get_enabled() may return a different value than it did before.
dbus_bool_t dbus_server_set_data(DBusServer *server, int slot, void *data, DBusFreeFunction free_data_func)
Stores a pointer on a DBusServer, along with an optional function to be used for freeing the data whe...
Definition: dbus-server.c:1137
void _dbus_timeout_list_free(DBusTimeoutList *timeout_list)
Frees a DBusTimeoutList.
Definition: dbus-timeout.c:215
dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
Internals of DBusServer object.
DBusTimeoutList * _dbus_timeout_list_new(void)
Creates a new timeout list.
Definition: dbus-timeout.c:198
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
#define DBUS_ERROR_INIT
Expands to a suitable initializer for a DBusError on the stack.
Definition: dbus-errors.h:62
const char * dbus_address_entry_get_method(DBusAddressEntry *entry)
Returns the method string of an address entry.
Definition: dbus-address.c:228
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...
void dbus_error_free(DBusError *error)
Frees an error that&#39;s been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
void _dbus_watch_list_free(DBusWatchList *watch_list)
Frees a DBusWatchList.
Definition: dbus-watch.c:249
void dbus_address_entries_free(DBusAddressEntry **entries)
Frees a NULL-terminated array of address entries.
Definition: dbus-address.c:190
void _dbus_rmutex_new_at_location(DBusRMutex **location_p)
Creates a new mutex or creates a no-op mutex if threads are not initialized.
Definition: dbus-threads.c:53
void(* DBusTimeoutToggleFunction)(DBusTimeoutList *list, DBusTimeout *timeout, dbus_bool_t enabled)
Function to be called in protected_change_timeout() with refcount held.
Definition: dbus-server.c:343
DBusWatchList * _dbus_watch_list_new(void)
Creates a new watch list.
Definition: dbus-watch.c:232
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
void _dbus_server_ref_unlocked(DBusServer *server)
Like dbus_server_ref() but does not acquire the lock (must already be held)
Definition: dbus-server.c:456
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&#39;s copied to the d...
Definition: dbus-string.c:1300
void(* DBusNewConnectionFunction)(DBusServer *server, DBusConnection *new_connection, void *data)
Called when a new connection to the server is available.
Definition: dbus-server.h:48
DBusServerListenResult _dbus_server_listen_platform_specific(DBusAddressEntry *entry, DBusServer **server_p, DBusError *error)
Tries to interpret the address entry in a platform-specific way, creating a platform-specific server ...
DBusNewConnectionFunction new_connection_function
Callback to invoke when a new connection is created.
char ** auth_mechanisms
Array of allowed authentication mechanisms.
void(* DBusRemoveTimeoutFunction)(DBusTimeout *timeout, void *data)
Called when libdbus no longer needs a timeout to be monitored by the main loop.
dbus_bool_t _dbus_watch_list_set_functions(DBusWatchList *watch_list, DBusAddWatchFunction add_function, DBusRemoveWatchFunction remove_function, DBusWatchToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the watch functions.
Definition: dbus-watch.c:295
const DBusServerVTable * vtable
Virtual methods for this instance.
void(* DBusWatchToggleFunction)(DBusWatchList *list, DBusWatch *watch, dbus_bool_t enabled)
Function to be called in protected_change_watch() with refcount held.
Definition: dbus-server.c:236
void(* finalize)(DBusServer *server)
The finalize method must free the server.
DBusRMutex * mutex
Lock on the server object.
DBusServer * dbus_server_listen(const char *address, DBusError *error)
Listens for new connections on the given address.
Definition: dbus-server.c:557
dbus_bool_t _dbus_timeout_list_add_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout)
Adds a new timeout to the timeout list, invoking the application DBusAddTimeoutFunction if appropriat...
Definition: dbus-timeout.c:312
void _dbus_server_toggle_timeout(DBusServer *server, DBusTimeout *timeout, dbus_bool_t enabled)
Toggles a timeout and notifies app via server&#39;s DBusTimeoutToggledFunction if available.
Definition: dbus-server.c:439
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:689
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
void _dbus_server_unref_unlocked(DBusServer *server)
Like dbus_server_unref() but does not acquire the lock (must already be held)
Definition: dbus-server.c:475
DBusAtomic refcount
Reference count.
dbus_bool_t(* DBusAddTimeoutFunction)(DBusTimeout *timeout, void *data)
Called when libdbus needs a new timeout to be monitored by the main loop.
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
dbus_bool_t(* DBusTimeoutAddFunction)(DBusTimeoutList *list, DBusTimeout *timeout)
Function to be called in protected_change_timeout() with refcount held.
Definition: dbus-server.c:337
DBusTimeoutList * timeouts
Our timeouts.
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
DBusServer * dbus_server_ref(DBusServer *server)
Increments the reference count of a DBusServer.
Definition: dbus-server.c:701
dbus_bool_t _dbus_data_slot_list_set(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot, void *data, DBusFreeFunction free_data_func, DBusFreeFunction *old_free_func, void **old_data)
Stores a pointer in the data slot list, along with an optional function to be used for freeing the da...
Internals of DBusAddressEntry.
Definition: dbus-address.c:44
void _dbus_watch_list_toggle_all_watches(DBusWatchList *watch_list, dbus_bool_t enabled)
Sets all watches to the given enabled state, invoking the application&#39;s DBusWatchToggledFunction if a...
Definition: dbus-watch.c:472
void _dbus_server_remove_watch(DBusServer *server, DBusWatch *watch)
Removes a watch previously added with _dbus_server_remove_watch().
Definition: dbus-server.c:312
dbus_bool_t dbus_server_allocate_data_slot(dbus_int32_t *slot_p)
Allocates an integer ID to be used for storing application-specific data on any DBusServer.
Definition: dbus-server.c:1098
Object representing an exception.
Definition: dbus-errors.h:48
void dbus_server_set_new_connection_function(DBusServer *server, DBusNewConnectionFunction function, void *data, DBusFreeFunction free_data_function)
Sets a function to be used for handling new connections.
Definition: dbus-server.c:907
#define DBUS_ERROR_BAD_ADDRESS
A D-Bus bus address was malformed.
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
void * dbus_server_get_data(DBusServer *server, int slot)
Retrieves data previously set with dbus_server_set_data().
Definition: dbus-server.c:1177
void dbus_server_disconnect(DBusServer *server)
Releases the server&#39;s address and stops listening for new clients.
Definition: dbus-server.c:796
void _dbus_server_remove_timeout(DBusServer *server, DBusTimeout *timeout)
Removes a timeout previously added with _dbus_server_add_timeout().
Definition: dbus-server.c:420
void _dbus_server_finalize_base(DBusServer *server)
Finalizes the members of the DBusServer base class.
Definition: dbus-server.c:201
#define _DBUS_N_ELEMENTS(array)
Computes the number of elements in a fixed-size array using sizeof().
Virtual table to be implemented by all server "subclasses".
DBusWatchList * watches
Our watches.
void dbus_server_unref(DBusServer *server)
Decrements the reference count of a DBusServer.
Definition: dbus-server.c:733
void _dbus_timeout_list_toggle_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout, dbus_bool_t enabled)
Sets a timeout to the given enabled state, invoking the application&#39;s DBusTimeoutToggledFunction if a...
Definition: dbus-timeout.c:364
#define DBUS_ERROR_ADDRESS_IN_USE
Can&#39;t bind a socket since its address is in use (i.e.
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init(), and fills it with the same contents as #_DBUS_STRING_I...
Definition: dbus-string.c:264
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
DBusDataSlotList slot_list
Data stored by allocated integer ID.
void * _dbus_data_slot_list_get(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot)
Retrieves data previously set with _dbus_data_slot_list_set_data().
void(* DBusTimeoutToggledFunction)(DBusTimeout *timeout, void *data)
Called when dbus_timeout_get_enabled() may return a different value than it did before.
#define TRUE
Expands to "1".
void _dbus_data_slot_list_init(DBusDataSlotList *list)
Initializes a slot list.
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
char * address
Address this server is listening on.
dbus_bool_t _dbus_watch_list_add_watch(DBusWatchList *watch_list, DBusWatch *watch)
Adds a new watch to the watch list, invoking the application DBusAddWatchFunction if appropriate...
Definition: dbus-watch.c:381
dbus_bool_t published_address
flag which indicates that server has published its bus address.
void dbus_move_error(DBusError *src, DBusError *dest)
Moves an error src into dest, freeing src and overwriting dest.
Definition: dbus-errors.c:279
const char * name
public error name field
Definition: dbus-errors.h:50
dbus_bool_t(* DBusAddWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus needs a new watch to be monitored by the main loop.
void(* DBusRemoveWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus no longer needs a watch to be monitored by the main loop.
DBusFreeFunction new_connection_free_data_function
Callback to invoke to free new_connection_data when server is finalized or data is replaced...
DBusWatchList implementation details.
Definition: dbus-watch.c:214
void * new_connection_data
Data for new connection callback.
An allocator that tracks a set of slot IDs.
Definition: dbus-dataslot.h:55
dbus_bool_t dbus_server_set_auth_mechanisms(DBusServer *server, const char **mechanisms)
Sets the authentication mechanisms that this server offers to clients, as a NULL-terminated array of ...
Definition: dbus-server.c:1051
dbus_bool_t dbus_server_get_is_connected(DBusServer *server)
Returns TRUE if the server is still listening for new connections.
Definition: dbus-server.c:815
DBusServerListenResult _dbus_server_listen_socket(DBusAddressEntry *entry, DBusServer **server_p, DBusError *error)
Tries to interpret the address entry for various socket-related addresses (well, currently only tcp a...
void _dbus_watch_list_remove_watch(DBusWatchList *watch_list, DBusWatch *watch)
Removes a watch from the watch list, invoking the application&#39;s DBusRemoveWatchFunction if appropriat...
Definition: dbus-watch.c:414
void _dbus_timeout_list_remove_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout)
Removes a timeout from the timeout list, invoking the application&#39;s DBusRemoveTimeoutFunction if appr...
Definition: dbus-timeout.c:342
void(* DBusTimeoutRemoveFunction)(DBusTimeoutList *list, DBusTimeout *timeout)
Function to be called in protected_change_timeout() with refcount held.
Definition: dbus-server.c:340
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
dbus_bool_t _dbus_server_init_base(DBusServer *server, const DBusServerVTable *vtable, const DBusString *address, DBusError *error)
Initializes the members of the DBusServer base class.
Definition: dbus-server.c:112
void dbus_free_string_array(char **str_array)
Frees a NULL-terminated array of strings.
Definition: dbus-memory.c:751
void _dbus_rmutex_free_at_location(DBusRMutex **location_p)
Frees a DBusRMutex; does nothing if passed a NULL pointer.
Definition: dbus-threads.c:94
unsigned int have_server_lock
Does someone have the server mutex locked.
DBusString guid_hex
Hex-encoded version of GUID.
dbus_bool_t(* DBusWatchAddFunction)(DBusWatchList *list, DBusWatch *watch)
Function to be called in protected_change_watch() with refcount held.
Definition: dbus-server.c:230
#define FALSE
Expands to "0".
void _dbus_server_toggle_all_watches(DBusServer *server, dbus_bool_t enabled)
Toggles all watch and notifies app via server&#39;s DBusWatchToggledFunction if available.
Definition: dbus-server.c:330
void(* DBusWatchRemoveFunction)(DBusWatchList *list, DBusWatch *watch)
Function to be called in protected_change_watch() with refcount held.
Definition: dbus-server.c:233
#define _DBUS_LOCK_NAME(name)
Expands to name of a global lock variable.
char * dbus_server_get_address(DBusServer *server)
Returns the address of the server, as a newly-allocated string which must be freed by the caller...
Definition: dbus-server.c:836
dbus_bool_t _dbus_string_steal_data(DBusString *str, char **data_return)
Like _dbus_string_get_data(), but removes the gotten data from the original string.
Definition: dbus-string.c:658
dbus_bool_t dbus_server_set_watch_functions(DBusServer *server, DBusAddWatchFunction add_function, DBusRemoveWatchFunction remove_function, DBusWatchToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the watch functions for the server.
Definition: dbus-server.c:947
dbus_bool_t dbus_server_set_timeout_functions(DBusServer *server, DBusAddTimeoutFunction add_function, DBusRemoveTimeoutFunction remove_function, DBusTimeoutToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the timeout functions for the server.
Definition: dbus-server.c:1000
dbus_bool_t _dbus_server_add_timeout(DBusServer *server, DBusTimeout *timeout)
Adds a timeout for this server, chaining out to application-provided timeout handlers.
Definition: dbus-server.c:405
dbus_bool_t _dbus_data_slot_allocator_alloc(DBusDataSlotAllocator *allocator, dbus_int32_t *slot_id_p)
Allocates an integer ID to be used for storing data in a DBusDataSlotList.
Definition: dbus-dataslot.c:70
char * _dbus_strdup(const char *str)
Duplicates a string.
DBusGUID guid
Globally unique ID of server.
void _dbus_data_slot_allocator_free(DBusDataSlotAllocator *allocator, dbus_int32_t *slot_id_p)
Deallocates an ID previously allocated with _dbus_data_slot_allocator_alloc().
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
Definition: dbus-errors.c:329
DBusTimeoutList implementation details.
Definition: dbus-timeout.c:180
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:364
char * dbus_server_get_id(DBusServer *server)
Returns the unique ID of the server, as a newly-allocated string which must be freed by the caller...
Definition: dbus-server.c:872
void _dbus_data_slot_list_free(DBusDataSlotList *list)
Frees the data slot list and all data slots contained in it, calling application-provided free functi...