D-Bus  1.7.10
dbus-sysdeps-win.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-BUS implementation)
3  *
4  * Copyright (C) 2002, 2003 Red Hat, Inc.
5  * Copyright (C) 2003 CodeFactory AB
6  * Copyright (C) 2005 Novell, Inc.
7  * Copyright (C) 2006 Peter Kümmel <syntheticpp@gmx.net>
8  * Copyright (C) 2006 Christian Ehrlicher <ch.ehrlicher@gmx.de>
9  * Copyright (C) 2006-2013 Ralf Habacker <ralf.habacker@freenet.de>
10  *
11  * Licensed under the Academic Free License version 2.1
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2 of the License, or
16  * (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26  *
27  */
28 
29 #include <config.h>
30 
31 #define STRSAFE_NO_DEPRECATE
32 
33 #ifndef DBUS_WINCE
34 #ifndef _WIN32_WINNT
35 #define _WIN32_WINNT 0x0501
36 #endif
37 #endif
38 
39 #include "dbus-internals.h"
40 #include "dbus-sha.h"
41 #include "dbus-sysdeps.h"
42 #include "dbus-threads.h"
43 #include "dbus-protocol.h"
44 #include "dbus-string.h"
45 #include "dbus-sysdeps.h"
46 #include "dbus-sysdeps-win.h"
47 #include "dbus-protocol.h"
48 #include "dbus-hash.h"
49 #include "dbus-sockets-win.h"
50 #include "dbus-list.h"
51 #include "dbus-nonce.h"
52 #include "dbus-credentials.h"
53 
54 #include <windows.h>
55 #include <ws2tcpip.h>
56 #include <wincrypt.h>
57 #include <iphlpapi.h>
58 
59 /* Declarations missing in mingw's and windows sdk 7.0 headers */
60 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
61 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
62 
63 #include <stdio.h>
64 
65 #include <string.h>
66 #if HAVE_ERRNO_H
67 #include <errno.h>
68 #endif
69 #ifndef DBUS_WINCE
70 #include <mbstring.h>
71 #include <sys/stat.h>
72 #include <sys/types.h>
73 #endif
74 
75 #ifdef HAVE_WS2TCPIP_H
76 /* getaddrinfo for Windows CE (and Windows). */
77 #include <ws2tcpip.h>
78 #endif
79 
80 #ifndef O_BINARY
81 #define O_BINARY 0
82 #endif
83 
84 #ifndef PROCESS_QUERY_LIMITED_INFORMATION
85 /* MinGW32 < 4 does not define this value in its headers */
86 #define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
87 #endif
88 
89 typedef int socklen_t;
90 
91 
92 void
93 _dbus_win_set_errno (int err)
94 {
95 #ifdef DBUS_WINCE
96  SetLastError (err);
97 #else
98  errno = err;
99 #endif
100 }
101 
102 static BOOL is_winxp_sp3_or_lower();
103 
104 /*
105  * _MIB_TCPROW_EX and friends are not available in system headers
106  * and are mapped to attribute identical ...OWNER_PID typedefs.
107  */
108 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
109 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
110 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
111 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
112 static ProcAllocateAndGetTcpExtTableFromStack lpfnAllocateAndGetTcpExTableFromStack = NULL;
113 
119 static BOOL
120 load_ex_ip_helper_procedures(void)
121 {
122  HMODULE hModule = LoadLibrary ("iphlpapi.dll");
123  if (hModule == NULL)
124  {
125  _dbus_verbose ("could not load iphlpapi.dll\n");
126  return FALSE;
127  }
128 
129  lpfnAllocateAndGetTcpExTableFromStack = (ProcAllocateAndGetTcpExtTableFromStack)GetProcAddress (hModule, "AllocateAndGetTcpExTableFromStack");
130  if (lpfnAllocateAndGetTcpExTableFromStack == NULL)
131  {
132  _dbus_verbose ("could not find function AllocateAndGetTcpExTableFromStack in iphlpapi.dll\n");
133  return FALSE;
134  }
135  return TRUE;
136 }
137 
144 static dbus_pid_t
145 get_pid_from_extended_tcp_table(int peer_port)
146 {
147  dbus_pid_t result;
148  DWORD errorCode, size, i;
149  MIB_TCPTABLE_OWNER_PID *tcp_table;
150 
151  if ((errorCode =
152  GetExtendedTcpTable (NULL, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) == ERROR_INSUFFICIENT_BUFFER)
153  {
154  tcp_table = (MIB_TCPTABLE_OWNER_PID *) dbus_malloc (size);
155  if (tcp_table == NULL)
156  {
157  _dbus_verbose ("Error allocating memory\n");
158  return 0;
159  }
160  }
161  else
162  {
163  _dbus_win_warn_win_error ("unexpected error returned from GetExtendedTcpTable", errorCode);
164  return 0;
165  }
166 
167  if ((errorCode = GetExtendedTcpTable (tcp_table, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR)
168  {
169  _dbus_verbose ("Error fetching tcp table %d\n", (int)errorCode);
170  dbus_free (tcp_table);
171  return 0;
172  }
173 
174  result = 0;
175  for (i = 0; i < tcp_table->dwNumEntries; i++)
176  {
177  MIB_TCPROW_OWNER_PID *p = &tcp_table->table[i];
178  int local_address = ntohl (p->dwLocalAddr);
179  int local_port = ntohs (p->dwLocalPort);
180  if (p->dwState == MIB_TCP_STATE_ESTAB
181  && local_address == INADDR_LOOPBACK && local_port == peer_port)
182  result = p->dwOwningPid;
183  }
184 
185  dbus_free (tcp_table);
186  _dbus_verbose ("got pid %lu\n", result);
187  return result;
188 }
189 
197 static dbus_pid_t
198 get_pid_from_tcp_ex_table(int peer_port)
199 {
200  dbus_pid_t result;
201  DWORD errorCode, i;
202  PMIB_TCPTABLE_EX tcp_table = NULL;
203 
204  if (!load_ex_ip_helper_procedures ())
205  {
206  _dbus_verbose
207  ("Error not been able to load iphelper procedures\n");
208  return 0;
209  }
210 
211  errorCode = lpfnAllocateAndGetTcpExTableFromStack (&tcp_table, TRUE, GetProcessHeap(), 0, 2);
212 
213  if (errorCode != NO_ERROR)
214  {
215  _dbus_verbose
216  ("Error not been able to call AllocateAndGetTcpExTableFromStack()\n");
217  return 0;
218  }
219 
220  result = 0;
221  for (i = 0; i < tcp_table->dwNumEntries; i++)
222  {
223  _MIB_TCPROW_EX *p = &tcp_table->table[i];
224  int local_port = ntohs (p->dwLocalPort);
225  int local_address = ntohl (p->dwLocalAddr);
226  if (local_address == INADDR_LOOPBACK && local_port == peer_port)
227  {
228  result = p->dwOwningPid;
229  break;
230  }
231  }
232 
233  HeapFree (GetProcessHeap(), 0, tcp_table);
234  _dbus_verbose ("got pid %lu\n", result);
235  return result;
236 }
237 
243 static dbus_pid_t
244 _dbus_get_peer_pid_from_tcp_handle (int handle)
245 {
246  struct sockaddr_storage addr;
247  socklen_t len = sizeof (addr);
248  int peer_port;
249 
250  dbus_pid_t result;
251  dbus_bool_t is_localhost = FALSE;
252 
253  getpeername (handle, (struct sockaddr *) &addr, &len);
254 
255  if (addr.ss_family == AF_INET)
256  {
257  struct sockaddr_in *s = (struct sockaddr_in *) &addr;
258  peer_port = ntohs (s->sin_port);
259  is_localhost = (ntohl (s->sin_addr.s_addr) == INADDR_LOOPBACK);
260  }
261  else if (addr.ss_family == AF_INET6)
262  {
263  _dbus_verbose ("FIXME [61922]: IPV6 support not working on windows\n");
264  return 0;
265  /*
266  struct sockaddr_in6 *s = (struct sockaddr_in6 * )&addr;
267  peer_port = ntohs (s->sin6_port);
268  is_localhost = (memcmp(s->sin6_addr.s6_addr, in6addr_loopback.s6_addr, 16) == 0);
269  _dbus_verbose ("IPV6 %08x %08x\n", s->sin6_addr.s6_addr, in6addr_loopback.s6_addr);
270  */
271  }
272  else
273  {
274  _dbus_verbose ("no idea what address family %d is\n", addr.ss_family);
275  return 0;
276  }
277 
278  if (!is_localhost)
279  {
280  _dbus_verbose ("could not fetch process id from remote process\n");
281  return 0;
282  }
283 
284  if (peer_port == 0)
285  {
286  _dbus_verbose
287  ("Error not been able to fetch tcp peer port from connection\n");
288  return 0;
289  }
290 
291  _dbus_verbose ("trying to get peers pid");
292 
293  result = get_pid_from_extended_tcp_table (peer_port);
294  if (result > 0)
295  return result;
296  result = get_pid_from_tcp_ex_table (peer_port);
297  return result;
298 }
299 
300 /* Convert GetLastError() to a dbus error. */
301 const char*
302 _dbus_win_error_from_last_error (void)
303 {
304  switch (GetLastError())
305  {
306  case 0:
307  return DBUS_ERROR_FAILED;
308 
309  case ERROR_NO_MORE_FILES:
310  case ERROR_TOO_MANY_OPEN_FILES:
311  return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
312 
313  case ERROR_ACCESS_DENIED:
314  case ERROR_CANNOT_MAKE:
316 
317  case ERROR_NOT_ENOUGH_MEMORY:
318  return DBUS_ERROR_NO_MEMORY;
319 
320  case ERROR_FILE_EXISTS:
321  return DBUS_ERROR_FILE_EXISTS;
322 
323  case ERROR_FILE_NOT_FOUND:
324  case ERROR_PATH_NOT_FOUND:
326  }
327 
328  return DBUS_ERROR_FAILED;
329 }
330 
331 
332 char*
333 _dbus_win_error_string (int error_number)
334 {
335  char *msg;
336 
337  FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
338  FORMAT_MESSAGE_IGNORE_INSERTS |
339  FORMAT_MESSAGE_FROM_SYSTEM,
340  NULL, error_number, 0,
341  (LPSTR) &msg, 0, NULL);
342 
343  if (msg[strlen (msg) - 1] == '\n')
344  msg[strlen (msg) - 1] = '\0';
345  if (msg[strlen (msg) - 1] == '\r')
346  msg[strlen (msg) - 1] = '\0';
347 
348  return msg;
349 }
350 
351 void
352 _dbus_win_free_error_string (char *string)
353 {
354  LocalFree (string);
355 }
356 
377 int
379  DBusString *buffer,
380  int count)
381 {
382  int bytes_read;
383  int start;
384  char *data;
385 
386  _dbus_assert (count >= 0);
387 
388  start = _dbus_string_get_length (buffer);
389 
390  if (!_dbus_string_lengthen (buffer, count))
391  {
392  _dbus_win_set_errno (ENOMEM);
393  return -1;
394  }
395 
396  data = _dbus_string_get_data_len (buffer, start, count);
397 
398  again:
399 
400  _dbus_verbose ("recv: count=%d fd=%d\n", count, fd);
401  bytes_read = recv (fd, data, count, 0);
402 
403  if (bytes_read == SOCKET_ERROR)
404  {
405  DBUS_SOCKET_SET_ERRNO();
406  _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
407  bytes_read = -1;
408  }
409  else
410  _dbus_verbose ("recv: = %d\n", bytes_read);
411 
412  if (bytes_read < 0)
413  {
414  if (errno == EINTR)
415  goto again;
416  else
417  {
418  /* put length back (note that this doesn't actually realloc anything) */
419  _dbus_string_set_length (buffer, start);
420  return -1;
421  }
422  }
423  else
424  {
425  /* put length back (doesn't actually realloc) */
426  _dbus_string_set_length (buffer, start + bytes_read);
427 
428 #if 0
429  if (bytes_read > 0)
430  _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
431 #endif
432 
433  return bytes_read;
434  }
435 }
436 
447 int
449  const DBusString *buffer,
450  int start,
451  int len)
452 {
453  const char *data;
454  int bytes_written;
455 
456  data = _dbus_string_get_const_data_len (buffer, start, len);
457 
458  again:
459 
460  _dbus_verbose ("send: len=%d fd=%d\n", len, fd);
461  bytes_written = send (fd, data, len, 0);
462 
463  if (bytes_written == SOCKET_ERROR)
464  {
465  DBUS_SOCKET_SET_ERRNO();
466  _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
467  bytes_written = -1;
468  }
469  else
470  _dbus_verbose ("send: = %d\n", bytes_written);
471 
472  if (bytes_written < 0 && errno == EINTR)
473  goto again;
474 
475 #if 0
476  if (bytes_written > 0)
477  _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
478 #endif
479 
480  return bytes_written;
481 }
482 
483 
493  DBusError *error)
494 {
495  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
496 
497  again:
498  if (closesocket (fd) == SOCKET_ERROR)
499  {
500  DBUS_SOCKET_SET_ERRNO ();
501 
502  if (errno == EINTR)
503  goto again;
504 
505  dbus_set_error (error, _dbus_error_from_errno (errno),
506  "Could not close socket: socket=%d, , %s",
508  return FALSE;
509  }
510  _dbus_verbose ("_dbus_close_socket: socket=%d, \n", fd);
511 
512  return TRUE;
513 }
514 
522 void
523 _dbus_fd_set_close_on_exec (intptr_t handle)
524 {
525  if ( !SetHandleInformation( (HANDLE) handle,
526  HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
527  0 /*disable both flags*/ ) )
528  {
529  _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
530  }
531 }
532 
541 _dbus_set_fd_nonblocking (int handle,
542  DBusError *error)
543 {
544  u_long one = 1;
545 
546  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
547 
548  if (ioctlsocket (handle, FIONBIO, &one) == SOCKET_ERROR)
549  {
550  DBUS_SOCKET_SET_ERRNO ();
551  dbus_set_error (error, _dbus_error_from_errno (errno),
552  "Failed to set socket %d:%d to nonblocking: %s", handle,
554  return FALSE;
555  }
556 
557  return TRUE;
558 }
559 
560 
581 int
583  const DBusString *buffer1,
584  int start1,
585  int len1,
586  const DBusString *buffer2,
587  int start2,
588  int len2)
589 {
590  WSABUF vectors[2];
591  const char *data1;
592  const char *data2;
593  int rc;
594  DWORD bytes_written;
595 
596  _dbus_assert (buffer1 != NULL);
597  _dbus_assert (start1 >= 0);
598  _dbus_assert (start2 >= 0);
599  _dbus_assert (len1 >= 0);
600  _dbus_assert (len2 >= 0);
601 
602 
603  data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
604 
605  if (buffer2 != NULL)
606  data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
607  else
608  {
609  data2 = NULL;
610  start2 = 0;
611  len2 = 0;
612  }
613 
614  vectors[0].buf = (char*) data1;
615  vectors[0].len = len1;
616  vectors[1].buf = (char*) data2;
617  vectors[1].len = len2;
618 
619  again:
620 
621  _dbus_verbose ("WSASend: len1+2=%d+%d fd=%d\n", len1, len2, fd);
622  rc = WSASend (fd,
623  vectors,
624  data2 ? 2 : 1,
625  &bytes_written,
626  0,
627  NULL,
628  NULL);
629 
630  if (rc == SOCKET_ERROR)
631  {
632  DBUS_SOCKET_SET_ERRNO ();
633  _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
634  bytes_written = -1;
635  }
636  else
637  _dbus_verbose ("WSASend: = %ld\n", bytes_written);
638 
639  if (bytes_written < 0 && errno == EINTR)
640  goto again;
641 
642  return bytes_written;
643 }
644 
646 _dbus_socket_is_invalid (int fd)
647 {
648  return fd == INVALID_SOCKET ? TRUE : FALSE;
649 }
650 
651 #if 0
652 
661 int
662 _dbus_connect_named_pipe (const char *path,
663  DBusError *error)
664 {
665  _dbus_assert_not_reached ("not implemented");
666 }
667 
668 #endif
669 
674 _dbus_win_startup_winsock (void)
675 {
676  /* Straight from MSDN, deuglified */
677 
678  /* Protected by _DBUS_LOCK_sysdeps */
679  static dbus_bool_t beenhere = FALSE;
680 
681  WORD wVersionRequested;
682  WSADATA wsaData;
683  int err;
684 
685  if (!_DBUS_LOCK (sysdeps))
686  return FALSE;
687 
688  if (beenhere)
689  goto out;
690 
691  wVersionRequested = MAKEWORD (2, 0);
692 
693  err = WSAStartup (wVersionRequested, &wsaData);
694  if (err != 0)
695  {
696  _dbus_assert_not_reached ("Could not initialize WinSock");
697  _dbus_abort ();
698  }
699 
700  /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
701  * supports versions greater than 2.0 in addition to 2.0, it will
702  * still return 2.0 in wVersion since that is the version we
703  * requested.
704  */
705  if (LOBYTE (wsaData.wVersion) != 2 ||
706  HIBYTE (wsaData.wVersion) != 0)
707  {
708  _dbus_assert_not_reached ("No usable WinSock found");
709  _dbus_abort ();
710  }
711 
712  beenhere = TRUE;
713 
714 out:
715  _DBUS_UNLOCK (sysdeps);
716  return TRUE;
717 }
718 
719 
720 
721 
722 
723 
724 
725 
726 
727 /************************************************************************
728 
729  UTF / string code
730 
731  ************************************************************************/
732 
736 int _dbus_printf_string_upper_bound (const char *format,
737  va_list args)
738 {
739  /* MSVCRT's vsnprintf semantics are a bit different */
740  char buf[1024];
741  int bufsize;
742  int len;
743  va_list args_copy;
744 
745  bufsize = sizeof (buf);
746  DBUS_VA_COPY (args_copy, args);
747  len = _vsnprintf (buf, bufsize - 1, format, args_copy);
748  va_end (args_copy);
749 
750  while (len == -1) /* try again */
751  {
752  char *p;
753 
754  bufsize *= 2;
755 
756  p = malloc (bufsize);
757 
758  if (p == NULL)
759  return -1;
760 
761  DBUS_VA_COPY (args_copy, args);
762  len = _vsnprintf (p, bufsize - 1, format, args_copy);
763  va_end (args_copy);
764  free (p);
765  }
766 
767  return len;
768 }
769 
770 
778 wchar_t *
779 _dbus_win_utf8_to_utf16 (const char *str,
780  DBusError *error)
781 {
782  DBusString s;
783  int n;
784  wchar_t *retval;
785 
786  _dbus_string_init_const (&s, str);
787 
788  if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
789  {
790  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
791  return NULL;
792  }
793 
794  n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
795 
796  if (n == 0)
797  {
798  _dbus_win_set_error_from_win_error (error, GetLastError ());
799  return NULL;
800  }
801 
802  retval = dbus_new (wchar_t, n);
803 
804  if (!retval)
805  {
806  _DBUS_SET_OOM (error);
807  return NULL;
808  }
809 
810  if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
811  {
812  dbus_free (retval);
813  dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
814  return NULL;
815  }
816 
817  return retval;
818 }
819 
827 char *
828 _dbus_win_utf16_to_utf8 (const wchar_t *str,
829  DBusError *error)
830 {
831  int n;
832  char *retval;
833 
834  n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
835 
836  if (n == 0)
837  {
838  _dbus_win_set_error_from_win_error (error, GetLastError ());
839  return NULL;
840  }
841 
842  retval = dbus_malloc (n);
843 
844  if (!retval)
845  {
846  _DBUS_SET_OOM (error);
847  return NULL;
848  }
849 
850  if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
851  {
852  dbus_free (retval);
853  dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
854  return NULL;
855  }
856 
857  return retval;
858 }
859 
860 
861 
862 
863 
864 
865 /************************************************************************
866 
867 
868  ************************************************************************/
869 
871 _dbus_win_account_to_sid (const wchar_t *waccount,
872  void **ppsid,
873  DBusError *error)
874 {
875  dbus_bool_t retval = FALSE;
876  DWORD sid_length, wdomain_length;
877  SID_NAME_USE use;
878  wchar_t *wdomain;
879 
880  *ppsid = NULL;
881 
882  sid_length = 0;
883  wdomain_length = 0;
884  if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
885  NULL, &wdomain_length, &use) &&
886  GetLastError () != ERROR_INSUFFICIENT_BUFFER)
887  {
888  _dbus_win_set_error_from_win_error (error, GetLastError ());
889  return FALSE;
890  }
891 
892  *ppsid = dbus_malloc (sid_length);
893  if (!*ppsid)
894  {
895  _DBUS_SET_OOM (error);
896  return FALSE;
897  }
898 
899  wdomain = dbus_new (wchar_t, wdomain_length);
900  if (!wdomain)
901  {
902  _DBUS_SET_OOM (error);
903  goto out1;
904  }
905 
906  if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
907  wdomain, &wdomain_length, &use))
908  {
909  _dbus_win_set_error_from_win_error (error, GetLastError ());
910  goto out2;
911  }
912 
913  if (!IsValidSid ((PSID) *ppsid))
914  {
915  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
916  goto out2;
917  }
918 
919  retval = TRUE;
920 
921 out2:
922  dbus_free (wdomain);
923 out1:
924  if (!retval)
925  {
926  dbus_free (*ppsid);
927  *ppsid = NULL;
928  }
929 
930  return retval;
931 }
932 
942 unsigned long
944 {
945  return _dbus_getpid ();
946 }
947 
948 #ifndef DBUS_WINCE
949 
950 static BOOL is_winxp_sp3_or_lower()
951 {
952  OSVERSIONINFOEX osvi;
953  DWORDLONG dwlConditionMask = 0;
954  int op=VER_LESS_EQUAL;
955 
956  // Initialize the OSVERSIONINFOEX structure.
957 
958  ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
959  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
960  osvi.dwMajorVersion = 5;
961  osvi.dwMinorVersion = 1;
962  osvi.wServicePackMajor = 3;
963  osvi.wServicePackMinor = 0;
964 
965  // Initialize the condition mask.
966 
967  VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
968  VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
969  VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
970  VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
971 
972  // Perform the test.
973 
974  return VerifyVersionInfo(
975  &osvi,
976  VER_MAJORVERSION | VER_MINORVERSION |
977  VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
978  dwlConditionMask);
979 }
980 
986 static dbus_bool_t
987 _dbus_getsid(char **sid, dbus_pid_t process_id)
988 {
989  HANDLE process_token = INVALID_HANDLE_VALUE;
990  TOKEN_USER *token_user = NULL;
991  DWORD n;
992  PSID psid;
993  int retval = FALSE;
994 
995  HANDLE process_handle = OpenProcess(is_winxp_sp3_or_lower() ? PROCESS_QUERY_INFORMATION : PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
996 
997  if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
998  {
999  _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
1000  goto failed;
1001  }
1002  if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
1003  && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
1004  || (token_user = alloca (n)) == NULL
1005  || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
1006  {
1007  _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
1008  goto failed;
1009  }
1010  psid = token_user->User.Sid;
1011  if (!IsValidSid (psid))
1012  {
1013  _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1014  goto failed;
1015  }
1016  if (!ConvertSidToStringSidA (psid, sid))
1017  {
1018  _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1019  goto failed;
1020  }
1021 //okay:
1022  retval = TRUE;
1023 
1024 failed:
1025  CloseHandle (process_handle);
1026  if (process_token != INVALID_HANDLE_VALUE)
1027  CloseHandle (process_token);
1028 
1029  _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1030  return retval;
1031 }
1032 #endif
1033 
1034 /************************************************************************
1035 
1036  pipes
1037 
1038  ************************************************************************/
1039 
1052  int *fd2,
1053  dbus_bool_t blocking,
1054  DBusError *error)
1055 {
1056  SOCKET temp, socket1 = -1, socket2 = -1;
1057  struct sockaddr_in saddr;
1058  int len;
1059  u_long arg;
1060 
1061  if (!_dbus_win_startup_winsock ())
1062  {
1063  _DBUS_SET_OOM (error);
1064  return FALSE;
1065  }
1066 
1067  temp = socket (AF_INET, SOCK_STREAM, 0);
1068  if (temp == INVALID_SOCKET)
1069  {
1070  DBUS_SOCKET_SET_ERRNO ();
1071  goto out0;
1072  }
1073 
1074  _DBUS_ZERO (saddr);
1075  saddr.sin_family = AF_INET;
1076  saddr.sin_port = 0;
1077  saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1078 
1079  if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1080  {
1081  DBUS_SOCKET_SET_ERRNO ();
1082  goto out0;
1083  }
1084 
1085  if (listen (temp, 1) == SOCKET_ERROR)
1086  {
1087  DBUS_SOCKET_SET_ERRNO ();
1088  goto out0;
1089  }
1090 
1091  len = sizeof (saddr);
1092  if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1093  {
1094  DBUS_SOCKET_SET_ERRNO ();
1095  goto out0;
1096  }
1097 
1098  socket1 = socket (AF_INET, SOCK_STREAM, 0);
1099  if (socket1 == INVALID_SOCKET)
1100  {
1101  DBUS_SOCKET_SET_ERRNO ();
1102  goto out0;
1103  }
1104 
1105  if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1106  {
1107  DBUS_SOCKET_SET_ERRNO ();
1108  goto out1;
1109  }
1110 
1111  socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1112  if (socket2 == INVALID_SOCKET)
1113  {
1114  DBUS_SOCKET_SET_ERRNO ();
1115  goto out1;
1116  }
1117 
1118  if (!blocking)
1119  {
1120  arg = 1;
1121  if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1122  {
1123  DBUS_SOCKET_SET_ERRNO ();
1124  goto out2;
1125  }
1126 
1127  arg = 1;
1128  if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1129  {
1130  DBUS_SOCKET_SET_ERRNO ();
1131  goto out2;
1132  }
1133  }
1134 
1135  *fd1 = socket1;
1136  *fd2 = socket2;
1137 
1138  _dbus_verbose ("full-duplex pipe %d:%d <-> %d:%d\n",
1139  *fd1, socket1, *fd2, socket2);
1140 
1141  closesocket (temp);
1142 
1143  return TRUE;
1144 
1145 out2:
1146  closesocket (socket2);
1147 out1:
1148  closesocket (socket1);
1149 out0:
1150  closesocket (temp);
1151 
1152  dbus_set_error (error, _dbus_error_from_errno (errno),
1153  "Could not setup socket pair: %s",
1155 
1156  return FALSE;
1157 }
1158 
1167 int
1169  int n_fds,
1170  int timeout_milliseconds)
1171 {
1172 #define USE_CHRIS_IMPL 0
1173 
1174 #if USE_CHRIS_IMPL
1175 
1176 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1177  char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1178  char *msgp;
1179 
1180  int ret = 0;
1181  int i;
1182  struct timeval tv;
1183  int ready;
1184 
1185 #define DBUS_STACK_WSAEVENTS 256
1186  WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1187  WSAEVENT *pEvents = NULL;
1188  if (n_fds > DBUS_STACK_WSAEVENTS)
1189  pEvents = calloc(sizeof(WSAEVENT), n_fds);
1190  else
1191  pEvents = eventsOnStack;
1192 
1193 
1194 #ifdef DBUS_ENABLE_VERBOSE_MODE
1195  msgp = msg;
1196  msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
1197  for (i = 0; i < n_fds; i++)
1198  {
1199  DBusPollFD *fdp = &fds[i];
1200 
1201 
1202  if (fdp->events & _DBUS_POLLIN)
1203  msgp += sprintf (msgp, "R:%d ", fdp->fd);
1204 
1205  if (fdp->events & _DBUS_POLLOUT)
1206  msgp += sprintf (msgp, "W:%d ", fdp->fd);
1207 
1208  msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1209 
1210  // FIXME: more robust code for long msg
1211  // create on heap when msg[] becomes too small
1212  if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1213  {
1214  _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1215  }
1216  }
1217 
1218  msgp += sprintf (msgp, "\n");
1219  _dbus_verbose ("%s",msg);
1220 #endif
1221  for (i = 0; i < n_fds; i++)
1222  {
1223  DBusPollFD *fdp = &fds[i];
1224  WSAEVENT ev;
1225  long lNetworkEvents = FD_OOB;
1226 
1227  ev = WSACreateEvent();
1228 
1229  if (fdp->events & _DBUS_POLLIN)
1230  lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1231 
1232  if (fdp->events & _DBUS_POLLOUT)
1233  lNetworkEvents |= FD_WRITE | FD_CONNECT;
1234 
1235  WSAEventSelect(fdp->fd, ev, lNetworkEvents);
1236 
1237  pEvents[i] = ev;
1238  }
1239 
1240 
1241  ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1242 
1243  if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1244  {
1245  DBUS_SOCKET_SET_ERRNO ();
1246  if (errno != WSAEWOULDBLOCK)
1247  _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1248  ret = -1;
1249  }
1250  else if (ready == WSA_WAIT_TIMEOUT)
1251  {
1252  _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1253  ret = 0;
1254  }
1255  else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
1256  {
1257  msgp = msg;
1258  msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
1259 
1260  for (i = 0; i < n_fds; i++)
1261  {
1262  DBusPollFD *fdp = &fds[i];
1263  WSANETWORKEVENTS ne;
1264 
1265  fdp->revents = 0;
1266 
1267  WSAEnumNetworkEvents(fdp->fd, pEvents[i], &ne);
1268 
1269  if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1270  fdp->revents |= _DBUS_POLLIN;
1271 
1272  if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1273  fdp->revents |= _DBUS_POLLOUT;
1274 
1275  if (ne.lNetworkEvents & (FD_OOB))
1276  fdp->revents |= _DBUS_POLLERR;
1277 
1278  if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1279  msgp += sprintf (msgp, "R:%d ", fdp->fd);
1280 
1281  if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1282  msgp += sprintf (msgp, "W:%d ", fdp->fd);
1283 
1284  if (ne.lNetworkEvents & (FD_OOB))
1285  msgp += sprintf (msgp, "E:%d ", fdp->fd);
1286 
1287  msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
1288 
1289  if(ne.lNetworkEvents)
1290  ret++;
1291 
1292  WSAEventSelect(fdp->fd, pEvents[i], 0);
1293  }
1294 
1295  msgp += sprintf (msgp, "\n");
1296  _dbus_verbose ("%s",msg);
1297  }
1298  else
1299  {
1300  _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1301  ret = -1;
1302  }
1303 
1304  for(i = 0; i < n_fds; i++)
1305  {
1306  WSACloseEvent(pEvents[i]);
1307  }
1308 
1309  if (n_fds > DBUS_STACK_WSAEVENTS)
1310  free(pEvents);
1311 
1312  return ret;
1313 
1314 #else /* USE_CHRIS_IMPL */
1315 
1316 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1317  char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1318  char *msgp;
1319 
1320  fd_set read_set, write_set, err_set;
1321  int max_fd = 0;
1322  int i;
1323  struct timeval tv;
1324  int ready;
1325 
1326  FD_ZERO (&read_set);
1327  FD_ZERO (&write_set);
1328  FD_ZERO (&err_set);
1329 
1330 
1331 #ifdef DBUS_ENABLE_VERBOSE_MODE
1332  msgp = msg;
1333  msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
1334  for (i = 0; i < n_fds; i++)
1335  {
1336  DBusPollFD *fdp = &fds[i];
1337 
1338 
1339  if (fdp->events & _DBUS_POLLIN)
1340  msgp += sprintf (msgp, "R:%d ", fdp->fd);
1341 
1342  if (fdp->events & _DBUS_POLLOUT)
1343  msgp += sprintf (msgp, "W:%d ", fdp->fd);
1344 
1345  msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1346 
1347  // FIXME: more robust code for long msg
1348  // create on heap when msg[] becomes too small
1349  if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1350  {
1351  _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1352  }
1353  }
1354 
1355  msgp += sprintf (msgp, "\n");
1356  _dbus_verbose ("%s",msg);
1357 #endif
1358  for (i = 0; i < n_fds; i++)
1359  {
1360  DBusPollFD *fdp = &fds[i];
1361 
1362  if (fdp->events & _DBUS_POLLIN)
1363  FD_SET (fdp->fd, &read_set);
1364 
1365  if (fdp->events & _DBUS_POLLOUT)
1366  FD_SET (fdp->fd, &write_set);
1367 
1368  FD_SET (fdp->fd, &err_set);
1369 
1370  max_fd = MAX (max_fd, fdp->fd);
1371  }
1372 
1373  // Avoid random lockups with send(), for lack of a better solution so far
1374  tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1375  tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1376 
1377  ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1378 
1379  if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1380  {
1381  DBUS_SOCKET_SET_ERRNO ();
1382  if (errno != WSAEWOULDBLOCK)
1383  _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1384  }
1385  else if (ready == 0)
1386  _dbus_verbose ("select: = 0\n");
1387  else
1388  if (ready > 0)
1389  {
1390 #ifdef DBUS_ENABLE_VERBOSE_MODE
1391  msgp = msg;
1392  msgp += sprintf (msgp, "select: = %d:\n\t", ready);
1393 
1394  for (i = 0; i < n_fds; i++)
1395  {
1396  DBusPollFD *fdp = &fds[i];
1397 
1398  if (FD_ISSET (fdp->fd, &read_set))
1399  msgp += sprintf (msgp, "R:%d ", fdp->fd);
1400 
1401  if (FD_ISSET (fdp->fd, &write_set))
1402  msgp += sprintf (msgp, "W:%d ", fdp->fd);
1403 
1404  if (FD_ISSET (fdp->fd, &err_set))
1405  msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1406  }
1407  msgp += sprintf (msgp, "\n");
1408  _dbus_verbose ("%s",msg);
1409 #endif
1410 
1411  for (i = 0; i < n_fds; i++)
1412  {
1413  DBusPollFD *fdp = &fds[i];
1414 
1415  fdp->revents = 0;
1416 
1417  if (FD_ISSET (fdp->fd, &read_set))
1418  fdp->revents |= _DBUS_POLLIN;
1419 
1420  if (FD_ISSET (fdp->fd, &write_set))
1421  fdp->revents |= _DBUS_POLLOUT;
1422 
1423  if (FD_ISSET (fdp->fd, &err_set))
1424  fdp->revents |= _DBUS_POLLERR;
1425  }
1426  }
1427  return ready;
1428 #endif /* USE_CHRIS_IMPL */
1429 }
1430 
1431 
1432 
1433 
1434 /******************************************************************************
1435 
1436 Original CVS version of dbus-sysdeps.c
1437 
1438 ******************************************************************************/
1439 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1440 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1441  *
1442  * Copyright (C) 2002, 2003 Red Hat, Inc.
1443  * Copyright (C) 2003 CodeFactory AB
1444  * Copyright (C) 2005 Novell, Inc.
1445  *
1446  * Licensed under the Academic Free License version 2.1
1447  *
1448  * This program is free software; you can redistribute it and/or modify
1449  * it under the terms of the GNU General Public License as published by
1450  * the Free Software Foundation; either version 2 of the License, or
1451  * (at your option) any later version.
1452  *
1453  * This program is distributed in the hope that it will be useful,
1454  * but WITHOUT ANY WARRANTY; without even the implied warranty of
1455  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1456  * GNU General Public License for more details.
1457  *
1458  * You should have received a copy of the GNU General Public License
1459  * along with this program; if not, write to the Free Software
1460  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1461  *
1462  */
1463 
1464 
1470 void
1471 _dbus_exit (int code)
1472 {
1473  _exit (code);
1474 }
1475 
1487 int
1488 _dbus_connect_tcp_socket (const char *host,
1489  const char *port,
1490  const char *family,
1491  DBusError *error)
1492 {
1493  return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1494 }
1495 
1496 int
1497 _dbus_connect_tcp_socket_with_nonce (const char *host,
1498  const char *port,
1499  const char *family,
1500  const char *noncefile,
1501  DBusError *error)
1502 {
1503  int fd = -1, res;
1504  struct addrinfo hints;
1505  struct addrinfo *ai, *tmp;
1506 
1507  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1508 
1509  if (!_dbus_win_startup_winsock ())
1510  {
1511  _DBUS_SET_OOM (error);
1512  return -1;
1513  }
1514 
1515  _DBUS_ZERO (hints);
1516 
1517  if (!family)
1518  hints.ai_family = AF_UNSPEC;
1519  else if (!strcmp(family, "ipv4"))
1520  hints.ai_family = AF_INET;
1521  else if (!strcmp(family, "ipv6"))
1522  hints.ai_family = AF_INET6;
1523  else
1524  {
1525  dbus_set_error (error,
1527  "Unknown address family %s", family);
1528  return -1;
1529  }
1530  hints.ai_protocol = IPPROTO_TCP;
1531  hints.ai_socktype = SOCK_STREAM;
1532 #ifdef AI_ADDRCONFIG
1533  hints.ai_flags = AI_ADDRCONFIG;
1534 #else
1535  hints.ai_flags = 0;
1536 #endif
1537 
1538  if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1539  {
1540  dbus_set_error (error,
1541  _dbus_error_from_errno (res),
1542  "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1543  host, port, _dbus_strerror(res), res);
1544  return -1;
1545  }
1546 
1547  tmp = ai;
1548  while (tmp)
1549  {
1550  if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1551  {
1552  DBUS_SOCKET_SET_ERRNO ();
1553  dbus_set_error (error,
1554  _dbus_error_from_errno (errno),
1555  "Failed to open socket: %s",
1557  freeaddrinfo(ai);
1558  return -1;
1559  }
1560  _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1561 
1562  if (connect (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1563  {
1564  DBUS_SOCKET_SET_ERRNO ();
1565  closesocket(fd);
1566  fd = -1;
1567  tmp = tmp->ai_next;
1568  continue;
1569  }
1570 
1571  break;
1572  }
1573  freeaddrinfo(ai);
1574 
1575  if (fd == -1)
1576  {
1577  dbus_set_error (error,
1578  _dbus_error_from_errno (errno),
1579  "Failed to connect to socket \"%s:%s\" %s",
1580  host, port, _dbus_strerror_from_errno ());
1581  return -1;
1582  }
1583 
1584  if (noncefile != NULL)
1585  {
1586  DBusString noncefileStr;
1587  dbus_bool_t ret;
1588  if (!_dbus_string_init (&noncefileStr) ||
1589  !_dbus_string_append(&noncefileStr, noncefile))
1590  {
1591  closesocket (fd);
1593  return -1;
1594  }
1595 
1596  ret = _dbus_send_nonce (fd, &noncefileStr, error);
1597 
1598  _dbus_string_free (&noncefileStr);
1599 
1600  if (!ret)
1601  {
1602  closesocket (fd);
1603  return -1;
1604  }
1605  }
1606 
1608 
1609  if (!_dbus_set_fd_nonblocking (fd, error))
1610  {
1611  closesocket (fd);
1612  return -1;
1613  }
1614 
1615  return fd;
1616 }
1617 
1633 int
1634 _dbus_listen_tcp_socket (const char *host,
1635  const char *port,
1636  const char *family,
1637  DBusString *retport,
1638  int **fds_p,
1639  DBusError *error)
1640 {
1641  int nlisten_fd = 0, *listen_fd = NULL, res, i, port_num = -1;
1642  struct addrinfo hints;
1643  struct addrinfo *ai, *tmp;
1644 
1645  // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1646  //That's required for family == IPv6(which is the default on Vista if family is not given)
1647  //So we use our own union instead of sockaddr_gen:
1648 
1649  typedef union {
1650  struct sockaddr Address;
1651  struct sockaddr_in AddressIn;
1652  struct sockaddr_in6 AddressIn6;
1653  } mysockaddr_gen;
1654 
1655  *fds_p = NULL;
1656  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1657 
1658  if (!_dbus_win_startup_winsock ())
1659  {
1660  _DBUS_SET_OOM (error);
1661  return -1;
1662  }
1663 
1664  _DBUS_ZERO (hints);
1665 
1666  if (!family)
1667  hints.ai_family = AF_UNSPEC;
1668  else if (!strcmp(family, "ipv4"))
1669  hints.ai_family = AF_INET;
1670  else if (!strcmp(family, "ipv6"))
1671  hints.ai_family = AF_INET6;
1672  else
1673  {
1674  dbus_set_error (error,
1676  "Unknown address family %s", family);
1677  return -1;
1678  }
1679 
1680  hints.ai_protocol = IPPROTO_TCP;
1681  hints.ai_socktype = SOCK_STREAM;
1682 #ifdef AI_ADDRCONFIG
1683  hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1684 #else
1685  hints.ai_flags = AI_PASSIVE;
1686 #endif
1687 
1688  redo_lookup_with_port:
1689  if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1690  {
1691  dbus_set_error (error,
1692  _dbus_error_from_errno (res),
1693  "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1694  host ? host : "*", port, _dbus_strerror(res), res);
1695  return -1;
1696  }
1697 
1698  tmp = ai;
1699  while (tmp)
1700  {
1701  int fd = -1, *newlisten_fd;
1702  if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1703  {
1704  DBUS_SOCKET_SET_ERRNO ();
1705  dbus_set_error (error,
1706  _dbus_error_from_errno (errno),
1707  "Failed to open socket: %s",
1709  goto failed;
1710  }
1711  _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1712 
1713  if (bind (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1714  {
1715  DBUS_SOCKET_SET_ERRNO ();
1716  dbus_set_error (error, _dbus_error_from_errno (errno),
1717  "Failed to bind socket \"%s:%s\": %s",
1718  host ? host : "*", port, _dbus_strerror_from_errno ());
1719  closesocket (fd);
1720  goto failed;
1721  }
1722 
1723  if (listen (fd, 30 /* backlog */) == SOCKET_ERROR)
1724  {
1725  DBUS_SOCKET_SET_ERRNO ();
1726  dbus_set_error (error, _dbus_error_from_errno (errno),
1727  "Failed to listen on socket \"%s:%s\": %s",
1728  host ? host : "*", port, _dbus_strerror_from_errno ());
1729  closesocket (fd);
1730  goto failed;
1731  }
1732 
1733  newlisten_fd = dbus_realloc(listen_fd, sizeof(int)*(nlisten_fd+1));
1734  if (!newlisten_fd)
1735  {
1736  closesocket (fd);
1738  "Failed to allocate file handle array");
1739  goto failed;
1740  }
1741  listen_fd = newlisten_fd;
1742  listen_fd[nlisten_fd] = fd;
1743  nlisten_fd++;
1744 
1745  if (!_dbus_string_get_length(retport))
1746  {
1747  /* If the user didn't specify a port, or used 0, then
1748  the kernel chooses a port. After the first address
1749  is bound to, we need to force all remaining addresses
1750  to use the same port */
1751  if (!port || !strcmp(port, "0"))
1752  {
1753  mysockaddr_gen addr;
1754  socklen_t addrlen = sizeof(addr);
1755  char portbuf[10];
1756 
1757  if (getsockname(fd, &addr.Address, &addrlen) == SOCKET_ERROR)
1758  {
1759  DBUS_SOCKET_SET_ERRNO ();
1760  dbus_set_error (error, _dbus_error_from_errno (errno),
1761  "Failed to resolve port \"%s:%s\": %s",
1762  host ? host : "*", port, _dbus_strerror_from_errno());
1763  goto failed;
1764  }
1765  snprintf( portbuf, sizeof( portbuf ) - 1, "%d", addr.AddressIn.sin_port );
1766  if (!_dbus_string_append(retport, portbuf))
1767  {
1769  goto failed;
1770  }
1771 
1772  /* Release current address list & redo lookup */
1773  port = _dbus_string_get_const_data(retport);
1774  freeaddrinfo(ai);
1775  goto redo_lookup_with_port;
1776  }
1777  else
1778  {
1779  if (!_dbus_string_append(retport, port))
1780  {
1782  goto failed;
1783  }
1784  }
1785  }
1786 
1787  tmp = tmp->ai_next;
1788  }
1789  freeaddrinfo(ai);
1790  ai = NULL;
1791 
1792  if (!nlisten_fd)
1793  {
1794  _dbus_win_set_errno (WSAEADDRINUSE);
1795  dbus_set_error (error, _dbus_error_from_errno (errno),
1796  "Failed to bind socket \"%s:%s\": %s",
1797  host ? host : "*", port, _dbus_strerror_from_errno ());
1798  return -1;
1799  }
1800 
1801  sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1802 
1803  for (i = 0 ; i < nlisten_fd ; i++)
1804  {
1805  _dbus_fd_set_close_on_exec (listen_fd[i]);
1806  if (!_dbus_set_fd_nonblocking (listen_fd[i], error))
1807  {
1808  goto failed;
1809  }
1810  }
1811 
1812  *fds_p = listen_fd;
1813 
1814  return nlisten_fd;
1815 
1816  failed:
1817  if (ai)
1818  freeaddrinfo(ai);
1819  for (i = 0 ; i < nlisten_fd ; i++)
1820  closesocket (listen_fd[i]);
1821  dbus_free(listen_fd);
1822  return -1;
1823 }
1824 
1825 
1833 int
1834 _dbus_accept (int listen_fd)
1835 {
1836  int client_fd;
1837 
1838  retry:
1839  client_fd = accept (listen_fd, NULL, NULL);
1840 
1841  if (DBUS_SOCKET_IS_INVALID (client_fd))
1842  {
1843  DBUS_SOCKET_SET_ERRNO ();
1844  if (errno == EINTR)
1845  goto retry;
1846  }
1847 
1848  _dbus_verbose ("client fd %d accepted\n", client_fd);
1849 
1850  return client_fd;
1851 }
1852 
1853 
1854 
1855 
1858  DBusError *error)
1859 {
1860 /* FIXME: for the session bus credentials shouldn't matter (?), but
1861  * for the system bus they are presumably essential. A rough outline
1862  * of a way to implement the credential transfer would be this:
1863  *
1864  * client waits to *read* a byte.
1865  *
1866  * server creates a named pipe with a random name, sends a byte
1867  * contining its length, and its name.
1868  *
1869  * client reads the name, connects to it (using Win32 API).
1870  *
1871  * server waits for connection to the named pipe, then calls
1872  * ImpersonateNamedPipeClient(), notes its now-current credentials,
1873  * calls RevertToSelf(), closes its handles to the named pipe, and
1874  * is done. (Maybe there is some other way to get the SID of a named
1875  * pipe client without having to use impersonation?)
1876  *
1877  * client closes its handles and is done.
1878  *
1879  * Ralf: Why not sending credentials over the given this connection ?
1880  * Using named pipes makes it impossible to be connected from a unix client.
1881  *
1882  */
1883  int bytes_written;
1884  DBusString buf;
1885 
1886  _dbus_string_init_const_len (&buf, "\0", 1);
1887 again:
1888  bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
1889 
1890  if (bytes_written < 0 && errno == EINTR)
1891  goto again;
1892 
1893  if (bytes_written < 0)
1894  {
1895  dbus_set_error (error, _dbus_error_from_errno (errno),
1896  "Failed to write credentials byte: %s",
1898  return FALSE;
1899  }
1900  else if (bytes_written == 0)
1901  {
1903  "wrote zero bytes writing credentials byte");
1904  return FALSE;
1905  }
1906  else
1907  {
1908  _dbus_assert (bytes_written == 1);
1909  _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
1910  return TRUE;
1911  }
1912  return TRUE;
1913 }
1914 
1935  DBusCredentials *credentials,
1936  DBusError *error)
1937 {
1938  int bytes_read = 0;
1939  DBusString buf;
1940 
1941  char *sid = NULL;
1942  dbus_pid_t pid;
1943  int retval = FALSE;
1944 
1945  // could fail due too OOM
1946  if (_dbus_string_init (&buf))
1947  {
1948  bytes_read = _dbus_read_socket (handle, &buf, 1 );
1949 
1950  if (bytes_read > 0)
1951  _dbus_verbose ("got one zero byte from server\n");
1952 
1953  _dbus_string_free (&buf);
1954  }
1955 
1956  pid = _dbus_get_peer_pid_from_tcp_handle (handle);
1957  if (pid == 0)
1958  return TRUE;
1959 
1960  _dbus_credentials_add_pid (credentials, pid);
1961 
1962  if (_dbus_getsid (&sid, pid))
1963  {
1964  if (!_dbus_credentials_add_windows_sid (credentials, sid))
1965  goto out;
1966  }
1967 
1968  retval = TRUE;
1969 
1970 out:
1971  if (sid)
1972  LocalFree (sid);
1973 
1974  return retval;
1975 }
1976 
1987 {
1988  /* TODO */
1989  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1990  return TRUE;
1991 }
1992 
1993 
2006  const DBusString *next_component)
2007 {
2008  dbus_bool_t dir_ends_in_slash;
2009  dbus_bool_t file_starts_with_slash;
2010 
2011  if (_dbus_string_get_length (dir) == 0 ||
2012  _dbus_string_get_length (next_component) == 0)
2013  return TRUE;
2014 
2015  dir_ends_in_slash =
2016  ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
2017  '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
2018 
2019  file_starts_with_slash =
2020  ('/' == _dbus_string_get_byte (next_component, 0) ||
2021  '\\' == _dbus_string_get_byte (next_component, 0));
2022 
2023  if (dir_ends_in_slash && file_starts_with_slash)
2024  {
2025  _dbus_string_shorten (dir, 1);
2026  }
2027  else if (!(dir_ends_in_slash || file_starts_with_slash))
2028  {
2029  if (!_dbus_string_append_byte (dir, '\\'))
2030  return FALSE;
2031  }
2032 
2033  return _dbus_string_copy (next_component, 0, dir,
2034  _dbus_string_get_length (dir));
2035 }
2036 
2037 /*---------------- DBusCredentials ----------------------------------*/
2038 
2048  const DBusString *username)
2049 {
2050  return _dbus_credentials_add_windows_sid (credentials,
2051  _dbus_string_get_const_data(username));
2052 }
2053 
2064 {
2065  dbus_bool_t retval = FALSE;
2066  char *sid = NULL;
2067 
2068  if (!_dbus_getsid(&sid, _dbus_getpid()))
2069  goto failed;
2070 
2071  if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2072  goto failed;
2073 
2074  if (!_dbus_credentials_add_windows_sid (credentials,sid))
2075  goto failed;
2076 
2077  retval = TRUE;
2078  goto end;
2079 failed:
2080  retval = FALSE;
2081 end:
2082  if (sid)
2083  LocalFree(sid);
2084 
2085  return retval;
2086 }
2087 
2102 {
2103  dbus_bool_t retval = FALSE;
2104  char *sid = NULL;
2105 
2106  if (!_dbus_getsid(&sid, _dbus_getpid()))
2107  return FALSE;
2108 
2109  retval = _dbus_string_append (str,sid);
2110 
2111  LocalFree(sid);
2112  return retval;
2113 }
2114 
2119 dbus_pid_t
2121 {
2122  return GetCurrentProcessId ();
2123 }
2124 
2126 #define NANOSECONDS_PER_SECOND 1000000000
2127 
2128 #define MICROSECONDS_PER_SECOND 1000000
2129 
2130 #define MILLISECONDS_PER_SECOND 1000
2131 
2132 #define NANOSECONDS_PER_MILLISECOND 1000000
2133 
2134 #define MICROSECONDS_PER_MILLISECOND 1000
2135 
2140 void
2141 _dbus_sleep_milliseconds (int milliseconds)
2142 {
2143  Sleep (milliseconds);
2144 }
2145 
2146 
2154 void
2155 _dbus_get_real_time (long *tv_sec,
2156  long *tv_usec)
2157 {
2158  FILETIME ft;
2159  dbus_uint64_t time64;
2160 
2161  GetSystemTimeAsFileTime (&ft);
2162 
2163  memcpy (&time64, &ft, sizeof (time64));
2164 
2165  /* Convert from 100s of nanoseconds since 1601-01-01
2166  * to Unix epoch. Yes, this is Y2038 unsafe.
2167  */
2168  time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2169  time64 /= 10;
2170 
2171  if (tv_sec)
2172  *tv_sec = time64 / 1000000;
2173 
2174  if (tv_usec)
2175  *tv_usec = time64 % 1000000;
2176 }
2177 
2185 void
2187  long *tv_usec)
2188 {
2189  /* no implementation yet, fall back to wall-clock time */
2190  _dbus_get_real_time (tv_sec, tv_usec);
2191 }
2192 
2196 void
2198 {
2199 }
2200 
2211  DBusError *error)
2212 {
2213  const char *filename_c;
2214 
2215  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2216 
2217  filename_c = _dbus_string_get_const_data (filename);
2218 
2219  if (!CreateDirectoryA (filename_c, NULL))
2220  {
2221  if (GetLastError () == ERROR_ALREADY_EXISTS)
2222  return TRUE;
2223 
2225  "Failed to create directory %s: %s\n",
2226  filename_c, _dbus_strerror_from_errno ());
2227  return FALSE;
2228  }
2229  else
2230  return TRUE;
2231 }
2232 
2233 
2244  int n_bytes)
2245 {
2246  int old_len;
2247  char *p;
2248  HCRYPTPROV hprov;
2249 
2250  old_len = _dbus_string_get_length (str);
2251 
2252  if (!_dbus_string_lengthen (str, n_bytes))
2253  return FALSE;
2254 
2255  p = _dbus_string_get_data_len (str, old_len, n_bytes);
2256 
2257  if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2258  return FALSE;
2259 
2260  if (!CryptGenRandom (hprov, n_bytes, p))
2261  {
2262  CryptReleaseContext (hprov, 0);
2263  return FALSE;
2264  }
2265 
2266  CryptReleaseContext (hprov, 0);
2267 
2268  return TRUE;
2269 }
2270 
2277 const char*
2279 {
2280  /* Protected by _DBUS_LOCK_sysdeps */
2281  static const char* tmpdir = NULL;
2282  static char buf[1000];
2283 
2284  if (!_DBUS_LOCK (sysdeps))
2285  return NULL;
2286 
2287  if (tmpdir == NULL)
2288  {
2289  char *last_slash;
2290 
2291  if (!GetTempPathA (sizeof (buf), buf))
2292  {
2293  _dbus_warn ("GetTempPath failed\n");
2294  _dbus_abort ();
2295  }
2296 
2297  /* Drop terminating backslash or slash */
2298  last_slash = _mbsrchr (buf, '\\');
2299  if (last_slash > buf && last_slash[1] == '\0')
2300  last_slash[0] = '\0';
2301  last_slash = _mbsrchr (buf, '/');
2302  if (last_slash > buf && last_slash[1] == '\0')
2303  last_slash[0] = '\0';
2304 
2305  tmpdir = buf;
2306  }
2307 
2308  _DBUS_UNLOCK (sysdeps);
2309 
2310  _dbus_assert(tmpdir != NULL);
2311 
2312  return tmpdir;
2313 }
2314 
2315 
2326  DBusError *error)
2327 {
2328  const char *filename_c;
2329 
2330  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2331 
2332  filename_c = _dbus_string_get_const_data (filename);
2333 
2334  if (DeleteFileA (filename_c) == 0)
2335  {
2337  "Failed to delete file %s: %s\n",
2338  filename_c, _dbus_strerror_from_errno ());
2339  return FALSE;
2340  }
2341  else
2342  return TRUE;
2343 }
2344 
2345 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2346 
2347 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2348 # ifdef BACKTRACES
2349 # undef BACKTRACES
2350 # endif
2351 #else
2352 # define BACKTRACES
2353 #endif
2354 
2355 #ifdef BACKTRACES
2356 /*
2357  * Backtrace Generator
2358  *
2359  * Copyright 2004 Eric Poech
2360  * Copyright 2004 Robert Shearman
2361  *
2362  * This library is free software; you can redistribute it and/or
2363  * modify it under the terms of the GNU Lesser General Public
2364  * License as published by the Free Software Foundation; either
2365  * version 2.1 of the License, or (at your option) any later version.
2366  *
2367  * This library is distributed in the hope that it will be useful,
2368  * but WITHOUT ANY WARRANTY; without even the implied warranty of
2369  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2370  * Lesser General Public License for more details.
2371  *
2372  * You should have received a copy of the GNU Lesser General Public
2373  * License along with this library; if not, write to the Free Software
2374  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2375  */
2376 
2377 #include <winver.h>
2378 #include <imagehlp.h>
2379 #include <stdio.h>
2380 
2381 #define DPRINTF _dbus_warn
2382 
2383 #ifdef _MSC_VER
2384 #define BOOL int
2385 
2386 #define __i386__
2387 #endif
2388 
2389 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
2390 
2391 //MAKE_FUNCPTR(StackWalk);
2392 //MAKE_FUNCPTR(SymGetModuleBase);
2393 //MAKE_FUNCPTR(SymFunctionTableAccess);
2394 //MAKE_FUNCPTR(SymInitialize);
2395 //MAKE_FUNCPTR(SymGetSymFromAddr);
2396 //MAKE_FUNCPTR(SymGetModuleInfo);
2397 static BOOL (WINAPI *pStackWalk)(
2398  DWORD MachineType,
2399  HANDLE hProcess,
2400  HANDLE hThread,
2401  LPSTACKFRAME StackFrame,
2402  PVOID ContextRecord,
2403  PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2404  PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2405  PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2406  PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2407 );
2408 #ifdef _WIN64
2409 static DWORD64 (WINAPI *pSymGetModuleBase)(
2410  HANDLE hProcess,
2411  DWORD64 dwAddr
2412 );
2413 static PVOID (WINAPI *pSymFunctionTableAccess)(
2414  HANDLE hProcess,
2415  DWORD64 AddrBase
2416 );
2417 #else
2418 static DWORD (WINAPI *pSymGetModuleBase)(
2419  HANDLE hProcess,
2420  DWORD dwAddr
2421 );
2422 static PVOID (WINAPI *pSymFunctionTableAccess)(
2423  HANDLE hProcess,
2424  DWORD AddrBase
2425 );
2426 #endif
2427 static BOOL (WINAPI *pSymInitialize)(
2428  HANDLE hProcess,
2429  PSTR UserSearchPath,
2430  BOOL fInvadeProcess
2431 );
2432 static BOOL (WINAPI *pSymGetSymFromAddr)(
2433  HANDLE hProcess,
2434  DWORD Address,
2435  PDWORD Displacement,
2436  PIMAGEHLP_SYMBOL Symbol
2437 );
2438 static BOOL (WINAPI *pSymGetModuleInfo)(
2439  HANDLE hProcess,
2440  DWORD dwAddr,
2441  PIMAGEHLP_MODULE ModuleInfo
2442 );
2443 static DWORD (WINAPI *pSymSetOptions)(
2444  DWORD SymOptions
2445 );
2446 
2447 
2448 static BOOL init_backtrace()
2449 {
2450  HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
2451 /*
2452  #define GETFUNC(x) \
2453  p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
2454  if (!p##x) \
2455  { \
2456  return FALSE; \
2457  }
2458  */
2459 
2460 
2461 // GETFUNC(StackWalk);
2462 // GETFUNC(SymGetModuleBase);
2463 // GETFUNC(SymFunctionTableAccess);
2464 // GETFUNC(SymInitialize);
2465 // GETFUNC(SymGetSymFromAddr);
2466 // GETFUNC(SymGetModuleInfo);
2467 
2468 #define FUNC(x) #x
2469 
2470  pStackWalk = (BOOL (WINAPI *)(
2471 DWORD MachineType,
2472 HANDLE hProcess,
2473 HANDLE hThread,
2474 LPSTACKFRAME StackFrame,
2475 PVOID ContextRecord,
2476 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2477 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2478 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2479 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2480 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
2481 #ifdef _WIN64
2482  pSymGetModuleBase=(DWORD64 (WINAPI *)(
2483  HANDLE hProcess,
2484  DWORD64 dwAddr
2485 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2486  pSymFunctionTableAccess=(PVOID (WINAPI *)(
2487  HANDLE hProcess,
2488  DWORD64 AddrBase
2489 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2490 #else
2491  pSymGetModuleBase=(DWORD (WINAPI *)(
2492  HANDLE hProcess,
2493  DWORD dwAddr
2494 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2495  pSymFunctionTableAccess=(PVOID (WINAPI *)(
2496  HANDLE hProcess,
2497  DWORD AddrBase
2498 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2499 #endif
2500  pSymInitialize = (BOOL (WINAPI *)(
2501  HANDLE hProcess,
2502  PSTR UserSearchPath,
2503  BOOL fInvadeProcess
2504 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
2505  pSymGetSymFromAddr = (BOOL (WINAPI *)(
2506  HANDLE hProcess,
2507  DWORD Address,
2508  PDWORD Displacement,
2509  PIMAGEHLP_SYMBOL Symbol
2510 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
2511  pSymGetModuleInfo = (BOOL (WINAPI *)(
2512  HANDLE hProcess,
2513  DWORD dwAddr,
2514  PIMAGEHLP_MODULE ModuleInfo
2515 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
2516 pSymSetOptions = (DWORD (WINAPI *)(
2517 DWORD SymOptions
2518 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
2519 
2520 
2521  pSymSetOptions(SYMOPT_UNDNAME);
2522 
2523  pSymInitialize(GetCurrentProcess(), NULL, TRUE);
2524 
2525  return TRUE;
2526 }
2527 
2528 static void dump_backtrace_for_thread(HANDLE hThread)
2529 {
2530  STACKFRAME sf;
2531  CONTEXT context;
2532  DWORD dwImageType;
2533 
2534  if (!pStackWalk)
2535  if (!init_backtrace())
2536  return;
2537 
2538  /* can't use this function for current thread as GetThreadContext
2539  * doesn't support getting context from current thread */
2540  if (hThread == GetCurrentThread())
2541  return;
2542 
2543  DPRINTF("Backtrace:\n");
2544 
2545  _DBUS_ZERO(context);
2546  context.ContextFlags = CONTEXT_FULL;
2547 
2548  SuspendThread(hThread);
2549 
2550  if (!GetThreadContext(hThread, &context))
2551  {
2552  DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
2553  ResumeThread(hThread);
2554  return;
2555  }
2556 
2557  _DBUS_ZERO(sf);
2558 
2559 #ifdef __i386__
2560  sf.AddrFrame.Offset = context.Ebp;
2561  sf.AddrFrame.Mode = AddrModeFlat;
2562  sf.AddrPC.Offset = context.Eip;
2563  sf.AddrPC.Mode = AddrModeFlat;
2564  dwImageType = IMAGE_FILE_MACHINE_I386;
2565 #elif _M_X64
2566  dwImageType = IMAGE_FILE_MACHINE_AMD64;
2567  sf.AddrPC.Offset = context.Rip;
2568  sf.AddrPC.Mode = AddrModeFlat;
2569  sf.AddrFrame.Offset = context.Rsp;
2570  sf.AddrFrame.Mode = AddrModeFlat;
2571  sf.AddrStack.Offset = context.Rsp;
2572  sf.AddrStack.Mode = AddrModeFlat;
2573 #elif _M_IA64
2574  dwImageType = IMAGE_FILE_MACHINE_IA64;
2575  sf.AddrPC.Offset = context.StIIP;
2576  sf.AddrPC.Mode = AddrModeFlat;
2577  sf.AddrFrame.Offset = context.IntSp;
2578  sf.AddrFrame.Mode = AddrModeFlat;
2579  sf.AddrBStore.Offset= context.RsBSP;
2580  sf.AddrBStore.Mode = AddrModeFlat;
2581  sf.AddrStack.Offset = context.IntSp;
2582  sf.AddrStack.Mode = AddrModeFlat;
2583 #else
2584 # error You need to fill in the STACKFRAME structure for your architecture
2585 #endif
2586 
2587  while (pStackWalk(dwImageType, GetCurrentProcess(),
2588  hThread, &sf, &context, NULL, pSymFunctionTableAccess,
2589  pSymGetModuleBase, NULL))
2590  {
2591  BYTE buffer[256];
2592  IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
2593  DWORD dwDisplacement;
2594 
2595  pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
2596  pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
2597 
2598  if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
2599  &dwDisplacement, pSymbol))
2600  {
2601  IMAGEHLP_MODULE ModuleInfo;
2602  ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
2603 
2604  if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
2605  &ModuleInfo))
2606  DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
2607  else
2608  DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
2609  sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
2610  }
2611  else if (dwDisplacement)
2612  DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
2613  else
2614  DPRINTF("4\t%s\n", pSymbol->Name);
2615  }
2616 
2617  ResumeThread(hThread);
2618 }
2619 
2620 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
2621 {
2622  dump_backtrace_for_thread((HANDLE)lpParameter);
2623  return 0;
2624 }
2625 
2626 /* cannot get valid context from current thread, so we have to execute
2627  * backtrace from another thread */
2628 static void dump_backtrace()
2629 {
2630  HANDLE hCurrentThread;
2631  HANDLE hThread;
2632  DWORD dwThreadId;
2633  DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
2634  GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
2635  hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2636  0, &dwThreadId);
2637  WaitForSingleObject(hThread, INFINITE);
2638  CloseHandle(hThread);
2639  CloseHandle(hCurrentThread);
2640 }
2641 #endif
2642 #endif /* asserts or tests enabled */
2643 
2644 #ifdef BACKTRACES
2646 {
2647  init_backtrace();
2648  dump_backtrace();
2649 }
2650 #else
2651 void _dbus_print_backtrace(void)
2652 {
2653  _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2654 }
2655 #endif
2656 
2657 static dbus_uint32_t fromAscii(char ascii)
2658 {
2659  if(ascii >= '0' && ascii <= '9')
2660  return ascii - '0';
2661  if(ascii >= 'A' && ascii <= 'F')
2662  return ascii - 'A' + 10;
2663  if(ascii >= 'a' && ascii <= 'f')
2664  return ascii - 'a' + 10;
2665  return 0;
2666 }
2667 
2669  dbus_bool_t create_if_not_found,
2670  DBusError *error)
2671 {
2672 #ifdef DBUS_WINCE
2673  return TRUE;
2674  // TODO
2675 #else
2676  HW_PROFILE_INFOA info;
2677  char *lpc = &info.szHwProfileGuid[0];
2678  dbus_uint32_t u;
2679 
2680  // the hw-profile guid lives long enough
2681  if(!GetCurrentHwProfileA(&info))
2682  {
2683  dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2684  return FALSE;
2685  }
2686 
2687  // Form: {12340001-4980-1920-6788-123456789012}
2688  lpc++;
2689  // 12340001
2690  u = ((fromAscii(lpc[0]) << 0) |
2691  (fromAscii(lpc[1]) << 4) |
2692  (fromAscii(lpc[2]) << 8) |
2693  (fromAscii(lpc[3]) << 12) |
2694  (fromAscii(lpc[4]) << 16) |
2695  (fromAscii(lpc[5]) << 20) |
2696  (fromAscii(lpc[6]) << 24) |
2697  (fromAscii(lpc[7]) << 28));
2698  machine_id->as_uint32s[0] = u;
2699 
2700  lpc += 9;
2701  // 4980-1920
2702  u = ((fromAscii(lpc[0]) << 0) |
2703  (fromAscii(lpc[1]) << 4) |
2704  (fromAscii(lpc[2]) << 8) |
2705  (fromAscii(lpc[3]) << 12) |
2706  (fromAscii(lpc[5]) << 16) |
2707  (fromAscii(lpc[6]) << 20) |
2708  (fromAscii(lpc[7]) << 24) |
2709  (fromAscii(lpc[8]) << 28));
2710  machine_id->as_uint32s[1] = u;
2711 
2712  lpc += 10;
2713  // 6788-1234
2714  u = ((fromAscii(lpc[0]) << 0) |
2715  (fromAscii(lpc[1]) << 4) |
2716  (fromAscii(lpc[2]) << 8) |
2717  (fromAscii(lpc[3]) << 12) |
2718  (fromAscii(lpc[5]) << 16) |
2719  (fromAscii(lpc[6]) << 20) |
2720  (fromAscii(lpc[7]) << 24) |
2721  (fromAscii(lpc[8]) << 28));
2722  machine_id->as_uint32s[2] = u;
2723 
2724  lpc += 9;
2725  // 56789012
2726  u = ((fromAscii(lpc[0]) << 0) |
2727  (fromAscii(lpc[1]) << 4) |
2728  (fromAscii(lpc[2]) << 8) |
2729  (fromAscii(lpc[3]) << 12) |
2730  (fromAscii(lpc[4]) << 16) |
2731  (fromAscii(lpc[5]) << 20) |
2732  (fromAscii(lpc[6]) << 24) |
2733  (fromAscii(lpc[7]) << 28));
2734  machine_id->as_uint32s[3] = u;
2735 #endif
2736  return TRUE;
2737 }
2738 
2739 static
2740 HANDLE _dbus_global_lock (const char *mutexname)
2741 {
2742  HANDLE mutex;
2743  DWORD gotMutex;
2744 
2745  mutex = CreateMutexA( NULL, FALSE, mutexname );
2746  if( !mutex )
2747  {
2748  return FALSE;
2749  }
2750 
2751  gotMutex = WaitForSingleObject( mutex, INFINITE );
2752  switch( gotMutex )
2753  {
2754  case WAIT_ABANDONED:
2755  ReleaseMutex (mutex);
2756  CloseHandle (mutex);
2757  return 0;
2758  case WAIT_FAILED:
2759  case WAIT_TIMEOUT:
2760  return 0;
2761  }
2762 
2763  return mutex;
2764 }
2765 
2766 static
2767 void _dbus_global_unlock (HANDLE mutex)
2768 {
2769  ReleaseMutex (mutex);
2770  CloseHandle (mutex);
2771 }
2772 
2773 // for proper cleanup in dbus-daemon
2774 static HANDLE hDBusDaemonMutex = NULL;
2775 static HANDLE hDBusSharedMem = NULL;
2776 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2777 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2778 // sync _dbus_get_autolaunch_address
2779 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2780 // mutex to determine if dbus-daemon is already started (per user)
2781 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2782 // named shm for dbus adress info (per user)
2783 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2784 
2785 static dbus_bool_t
2786 _dbus_get_install_root_as_hash(DBusString *out)
2787 {
2788  DBusString install_path;
2789 
2790  char path[MAX_PATH*2];
2791  int path_size = sizeof(path);
2792 
2793  if (!_dbus_get_install_root(path,path_size))
2794  return FALSE;
2795 
2796  _dbus_string_init(&install_path);
2797  _dbus_string_append(&install_path,path);
2798 
2799  _dbus_string_init(out);
2800  _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2801 
2802  if (!_dbus_sha_compute (&install_path, out))
2803  return FALSE;
2804 
2805  return TRUE;
2806 }
2807 
2808 static dbus_bool_t
2809 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2810 {
2811  _dbus_string_init(out);
2812  _dbus_string_append(out,basestring);
2813 
2814  if (!scope)
2815  {
2816  return TRUE;
2817  }
2818  else if (strcmp(scope,"*install-path") == 0
2819  // for 1.3 compatibility
2820  || strcmp(scope,"install-path") == 0)
2821  {
2822  DBusString temp;
2823  if (!_dbus_get_install_root_as_hash(&temp))
2824  {
2825  _dbus_string_free(out);
2826  return FALSE;
2827  }
2828  _dbus_string_append(out,"-");
2829  _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2830  _dbus_string_free(&temp);
2831  }
2832  else if (strcmp(scope,"*user") == 0)
2833  {
2834  _dbus_string_append(out,"-");
2836  {
2837  _dbus_string_free(out);
2838  return FALSE;
2839  }
2840  }
2841  else if (strlen(scope) > 0)
2842  {
2843  _dbus_string_append(out,"-");
2844  _dbus_string_append(out,scope);
2845  return TRUE;
2846  }
2847  return TRUE;
2848 }
2849 
2850 static dbus_bool_t
2851 _dbus_get_shm_name (DBusString *out,const char *scope)
2852 {
2853  return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
2854 }
2855 
2856 static dbus_bool_t
2857 _dbus_get_mutex_name (DBusString *out,const char *scope)
2858 {
2859  return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
2860 }
2861 
2863 _dbus_daemon_is_session_bus_address_published (const char *scope)
2864 {
2865  HANDLE lock;
2866  DBusString mutex_name;
2867 
2868  if (!_dbus_get_mutex_name(&mutex_name,scope))
2869  {
2870  _dbus_string_free( &mutex_name );
2871  return FALSE;
2872  }
2873 
2874  if (hDBusDaemonMutex)
2875  return TRUE;
2876 
2877  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2878  lock = _dbus_global_lock( cUniqueDBusInitMutex );
2879 
2880  // we use CreateMutex instead of OpenMutex because of possible race conditions,
2881  // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
2882  hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2883 
2884  /* The client uses mutex ownership to detect a running server, so the server should do so too.
2885  Fortunally the client deletes the mutex in the lock protected area, so checking presence
2886  will work too. */
2887 
2888  _dbus_global_unlock( lock );
2889 
2890  _dbus_string_free( &mutex_name );
2891 
2892  if (hDBusDaemonMutex == NULL)
2893  return FALSE;
2894  if (GetLastError() == ERROR_ALREADY_EXISTS)
2895  {
2896  CloseHandle(hDBusDaemonMutex);
2897  hDBusDaemonMutex = NULL;
2898  return TRUE;
2899  }
2900  // mutex wasn't created before, so return false.
2901  // We leave the mutex name allocated for later reusage
2902  // in _dbus_daemon_publish_session_bus_address.
2903  return FALSE;
2904 }
2905 
2907 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
2908 {
2909  HANDLE lock;
2910  char *shared_addr = NULL;
2911  DBusString shm_name;
2912  DBusString mutex_name;
2913 
2914  _dbus_assert (address);
2915 
2916  if (!_dbus_get_mutex_name(&mutex_name,scope))
2917  {
2918  _dbus_string_free( &mutex_name );
2919  return FALSE;
2920  }
2921 
2922  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2923  lock = _dbus_global_lock( cUniqueDBusInitMutex );
2924 
2925  if (!hDBusDaemonMutex)
2926  {
2927  hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2928  }
2929  _dbus_string_free( &mutex_name );
2930 
2931  // acquire the mutex
2932  if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
2933  {
2934  _dbus_global_unlock( lock );
2935  CloseHandle( hDBusDaemonMutex );
2936  return FALSE;
2937  }
2938 
2939  if (!_dbus_get_shm_name(&shm_name,scope))
2940  {
2941  _dbus_string_free( &shm_name );
2942  _dbus_global_unlock( lock );
2943  return FALSE;
2944  }
2945 
2946  // create shm
2947  hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
2948  0, strlen( address ) + 1, _dbus_string_get_const_data(&shm_name) );
2949  _dbus_assert( hDBusSharedMem );
2950 
2951  shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
2952 
2953  _dbus_assert (shared_addr);
2954 
2955  strcpy( shared_addr, address);
2956 
2957  // cleanup
2958  UnmapViewOfFile( shared_addr );
2959 
2960  _dbus_global_unlock( lock );
2961  _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
2962 
2963  _dbus_string_free( &shm_name );
2964  return TRUE;
2965 }
2966 
2967 void
2968 _dbus_daemon_unpublish_session_bus_address (void)
2969 {
2970  HANDLE lock;
2971 
2972  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2973  lock = _dbus_global_lock( cUniqueDBusInitMutex );
2974 
2975  CloseHandle( hDBusSharedMem );
2976 
2977  hDBusSharedMem = NULL;
2978 
2979  ReleaseMutex( hDBusDaemonMutex );
2980 
2981  CloseHandle( hDBusDaemonMutex );
2982 
2983  hDBusDaemonMutex = NULL;
2984 
2985  _dbus_global_unlock( lock );
2986 }
2987 
2988 static dbus_bool_t
2989 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
2990 {
2991  HANDLE sharedMem;
2992  char *shared_addr;
2993  int i;
2994 
2995  // read shm
2996  for(i=0;i<20;++i) {
2997  // we know that dbus-daemon is available, so we wait until shm is available
2998  sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
2999  if( sharedMem == 0 )
3000  Sleep( 100 );
3001  if ( sharedMem != 0)
3002  break;
3003  }
3004 
3005  if( sharedMem == 0 )
3006  return FALSE;
3007 
3008  shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3009 
3010  if( !shared_addr )
3011  return FALSE;
3012 
3013  _dbus_string_init( address );
3014 
3015  _dbus_string_append( address, shared_addr );
3016 
3017  // cleanup
3018  UnmapViewOfFile( shared_addr );
3019 
3020  CloseHandle( sharedMem );
3021 
3022  return TRUE;
3023 }
3024 
3025 static dbus_bool_t
3026 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3027 {
3028  HANDLE lock;
3029  HANDLE daemon;
3030  DBusString mutex_name;
3031  dbus_bool_t bRet = TRUE;
3032 
3033  if (!_dbus_get_mutex_name(&mutex_name,scope))
3034  {
3035  _dbus_string_free( &mutex_name );
3036  return FALSE;
3037  }
3038 
3039  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3040  lock = _dbus_global_lock( cUniqueDBusInitMutex );
3041 
3042  // do checks
3043  daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3044  if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3045  {
3046  ReleaseMutex (daemon);
3047  CloseHandle (daemon);
3048 
3049  _dbus_global_unlock( lock );
3050  _dbus_string_free( &mutex_name );
3051  return FALSE;
3052  }
3053 
3054  // read shm
3055  bRet = _dbus_get_autolaunch_shm( address, shm_name );
3056 
3057  // cleanup
3058  CloseHandle ( daemon );
3059 
3060  _dbus_global_unlock( lock );
3061  _dbus_string_free( &mutex_name );
3062 
3063  return bRet;
3064 }
3065 
3067 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3068  DBusError *error)
3069 {
3070  HANDLE mutex;
3071  STARTUPINFOA si;
3072  PROCESS_INFORMATION pi;
3073  dbus_bool_t retval = FALSE;
3074  LPSTR lpFile;
3075  char dbus_exe_path[MAX_PATH];
3076  char dbus_args[MAX_PATH * 2];
3077  const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3078  DBusString shm_name;
3079 
3080  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3081 
3082  if (!_dbus_get_shm_name(&shm_name,scope))
3083  {
3084  dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3085  return FALSE;
3086  }
3087 
3088  mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3089 
3090  if (_dbus_daemon_already_runs(address,&shm_name,scope))
3091  {
3092  _dbus_verbose( "found running dbus daemon at %s\n",
3093  _dbus_string_get_const_data (&shm_name) );
3094  retval = TRUE;
3095  goto out;
3096  }
3097 
3098  if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3099  {
3100  // Look in directory containing dbus shared library
3101  HMODULE hmod;
3102  char dbus_module_path[MAX_PATH];
3103  DWORD rc;
3104 
3105  _dbus_verbose( "did not found dbus daemon executable on default search path, "
3106  "trying path where dbus shared library is located");
3107 
3108  hmod = _dbus_win_get_dll_hmodule();
3109  rc = GetModuleFileNameA(hmod, dbus_module_path, sizeof(dbus_module_path));
3110  if (rc <= 0)
3111  {
3112  dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3113  retval = FALSE;
3114  goto out;
3115  }
3116  else
3117  {
3118  char *ext_idx = strrchr(dbus_module_path, '\\');
3119  if (ext_idx)
3120  *ext_idx = '\0';
3121  if (!SearchPathA(dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3122  {
3123  dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not find dbus-daemon executable");
3124  retval = FALSE;
3125  printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
3126  printf ("or start the daemon manually\n\n");
3127  goto out;
3128  }
3129  _dbus_verbose( "found dbus daemon executable at %s",dbus_module_path);
3130  }
3131  }
3132 
3133 
3134  // Create process
3135  ZeroMemory( &si, sizeof(si) );
3136  si.cb = sizeof(si);
3137  ZeroMemory( &pi, sizeof(pi) );
3138 
3139  _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3140 
3141 // argv[i] = "--config-file=bus\\session.conf";
3142 // printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
3143  if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3144  {
3145  CloseHandle (pi.hThread);
3146  CloseHandle (pi.hProcess);
3147  retval = _dbus_get_autolaunch_shm( address, &shm_name );
3148  if (retval == FALSE)
3149  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3150  }
3151  else
3152  {
3153  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3154  retval = FALSE;
3155  }
3156 
3157 out:
3158  if (retval)
3159  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3160  else
3161  _DBUS_ASSERT_ERROR_IS_SET (error);
3162 
3163  _dbus_global_unlock (mutex);
3164 
3165  return retval;
3166  }
3167 
3168 
3177  DBusError *error)
3178 {
3179  // TODO
3180  return TRUE;
3181 }
3182 
3190 dbus_int32_t
3192 {
3193  // +/- 1 is needed here!
3194  // no volatile argument with mingw
3195  return InterlockedIncrement (&atomic->value) - 1;
3196 }
3197 
3205 dbus_int32_t
3207 {
3208  // +/- 1 is needed here!
3209  // no volatile argument with mingw
3210  return InterlockedDecrement (&atomic->value) + 1;
3211 }
3212 
3220 dbus_int32_t
3222 {
3223  /* In this situation, GLib issues a MemoryBarrier() and then returns
3224  * atomic->value. However, mingw from mingw.org (not to be confused with
3225  * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3226  * headers, so we have to get a memory barrier some other way.
3227  *
3228  * InterlockedIncrement is older, and is documented on MSDN to be a full
3229  * memory barrier, so let's use that.
3230  */
3231  long dummy = 0;
3232 
3233  InterlockedExchange (&dummy, 1);
3234 
3235  return atomic->value;
3236 }
3237 
3245 void
3247 {
3248 }
3249 
3258 {
3259  return errno == WSAEWOULDBLOCK;
3260 }
3261 
3270 _dbus_get_install_root(char *prefix, int len)
3271 {
3272  //To find the prefix, we cut the filename and also \bin\ if present
3273  DWORD pathLength;
3274  char *lastSlash;
3275  SetLastError( 0 );
3276  pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
3277  if ( pathLength == 0 || GetLastError() != 0 ) {
3278  *prefix = '\0';
3279  return FALSE;
3280  }
3281  lastSlash = _mbsrchr(prefix, '\\');
3282  if (lastSlash == NULL) {
3283  *prefix = '\0';
3284  return FALSE;
3285  }
3286  //cut off binary name
3287  lastSlash[1] = 0;
3288 
3289  //cut possible "\\bin"
3290 
3291  //this fails if we are in a double-byte system codepage and the
3292  //folder's name happens to end with the *bytes*
3293  //"\\bin"... (I.e. the second byte of some Han character and then
3294  //the Latin "bin", but that is not likely I think...
3295  if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
3296  lastSlash[-3] = 0;
3297  else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
3298  lastSlash[-9] = 0;
3299  else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
3300  lastSlash[-11] = 0;
3301 
3302  return TRUE;
3303 }
3304 
3318 dbus_bool_t
3319 _dbus_get_config_file_name(DBusString *config_file, char *s)
3320 {
3321  char path[MAX_PATH*2];
3322  int path_size = sizeof(path);
3323 
3324  if (!_dbus_get_install_root(path,path_size))
3325  return FALSE;
3326 
3327  if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3328  return FALSE;
3329  strcat(path,"etc\\");
3330  strcat(path,s);
3331  if (_dbus_file_exists(path))
3332  {
3333  // find path from executable
3334  if (!_dbus_string_append (config_file, path))
3335  return FALSE;
3336  }
3337  else
3338  {
3339  if (!_dbus_get_install_root(path,path_size))
3340  return FALSE;
3341  if(strlen(s) + 11 + strlen(path) > sizeof(path)-2)
3342  return FALSE;
3343  strcat(path,"etc\\dbus-1\\");
3344  strcat(path,s);
3345 
3346  if (_dbus_file_exists(path))
3347  {
3348  if (!_dbus_string_append (config_file, path))
3349  return FALSE;
3350  }
3351  else
3352  {
3353  if (!_dbus_get_install_root(path,path_size))
3354  return FALSE;
3355  if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3356  return FALSE;
3357  strcat(path,"bus\\");
3358  strcat(path,s);
3359 
3360  if (_dbus_file_exists(path))
3361  {
3362  if (!_dbus_string_append (config_file, path))
3363  return FALSE;
3364  }
3365  }
3366  }
3367  return TRUE;
3368 }
3369 
3370 /* See comment in dbus-sysdeps-unix.c */
3373  DBusString *address,
3374  DBusError *error)
3375 {
3376  /* Probably fill this in with something based on COM? */
3377  *supported = FALSE;
3378  return TRUE;
3379 }
3380 
3396  DBusCredentials *credentials)
3397 {
3398  DBusString homedir;
3399  DBusString dotdir;
3400  const char *homepath;
3401  const char *homedrive;
3402 
3403  _dbus_assert (credentials != NULL);
3405 
3406  if (!_dbus_string_init (&homedir))
3407  return FALSE;
3408 
3409  homedrive = _dbus_getenv("HOMEDRIVE");
3410  if (homedrive != NULL && *homedrive != '\0')
3411  {
3412  _dbus_string_append(&homedir,homedrive);
3413  }
3414 
3415  homepath = _dbus_getenv("HOMEPATH");
3416  if (homepath != NULL && *homepath != '\0')
3417  {
3418  _dbus_string_append(&homedir,homepath);
3419  }
3420 
3421 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3422  {
3423  const char *override;
3424 
3425  override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3426  if (override != NULL && *override != '\0')
3427  {
3428  _dbus_string_set_length (&homedir, 0);
3429  if (!_dbus_string_append (&homedir, override))
3430  goto failed;
3431 
3432  _dbus_verbose ("Using fake homedir for testing: %s\n",
3433  _dbus_string_get_const_data (&homedir));
3434  }
3435  else
3436  {
3437  /* Not strictly thread-safe, but if we fail at thread-safety here,
3438  * the worst that will happen is some extra warnings. */
3439  static dbus_bool_t already_warned = FALSE;
3440  if (!already_warned)
3441  {
3442  _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
3443  already_warned = TRUE;
3444  }
3445  }
3446  }
3447 #endif
3448 
3449 #ifdef DBUS_WINCE
3450  /* It's not possible to create a .something directory in Windows CE
3451  using the file explorer. */
3452 #define KEYRING_DIR "dbus-keyrings"
3453 #else
3454 #define KEYRING_DIR ".dbus-keyrings"
3455 #endif
3456 
3457  _dbus_string_init_const (&dotdir, KEYRING_DIR);
3458  if (!_dbus_concat_dir_and_file (&homedir,
3459  &dotdir))
3460  goto failed;
3461 
3462  if (!_dbus_string_copy (&homedir, 0,
3463  directory, _dbus_string_get_length (directory))) {
3464  goto failed;
3465  }
3466 
3467  _dbus_string_free (&homedir);
3468  return TRUE;
3469 
3470  failed:
3471  _dbus_string_free (&homedir);
3472  return FALSE;
3473 }
3474 
3480 dbus_bool_t
3481 _dbus_file_exists (const char *file)
3482 {
3483  DWORD attributes = GetFileAttributesA (file);
3484 
3485  if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3486  return TRUE;
3487  else
3488  return FALSE;
3489 }
3490 
3498 const char*
3499 _dbus_strerror (int error_number)
3500 {
3501 #ifdef DBUS_WINCE
3502  // TODO
3503  return "unknown";
3504 #else
3505  const char *msg;
3506 
3507  switch (error_number)
3508  {
3509  case WSAEINTR:
3510  return "Interrupted function call";
3511  case WSAEACCES:
3512  return "Permission denied";
3513  case WSAEFAULT:
3514  return "Bad address";
3515  case WSAEINVAL:
3516  return "Invalid argument";
3517  case WSAEMFILE:
3518  return "Too many open files";
3519  case WSAEWOULDBLOCK:
3520  return "Resource temporarily unavailable";
3521  case WSAEINPROGRESS:
3522  return "Operation now in progress";
3523  case WSAEALREADY:
3524  return "Operation already in progress";
3525  case WSAENOTSOCK:
3526  return "Socket operation on nonsocket";
3527  case WSAEDESTADDRREQ:
3528  return "Destination address required";
3529  case WSAEMSGSIZE:
3530  return "Message too long";
3531  case WSAEPROTOTYPE:
3532  return "Protocol wrong type for socket";
3533  case WSAENOPROTOOPT:
3534  return "Bad protocol option";
3535  case WSAEPROTONOSUPPORT:
3536  return "Protocol not supported";
3537  case WSAESOCKTNOSUPPORT:
3538  return "Socket type not supported";
3539  case WSAEOPNOTSUPP:
3540  return "Operation not supported";
3541  case WSAEPFNOSUPPORT:
3542  return "Protocol family not supported";
3543  case WSAEAFNOSUPPORT:
3544  return "Address family not supported by protocol family";
3545  case WSAEADDRINUSE:
3546  return "Address already in use";
3547  case WSAEADDRNOTAVAIL:
3548  return "Cannot assign requested address";
3549  case WSAENETDOWN:
3550  return "Network is down";
3551  case WSAENETUNREACH:
3552  return "Network is unreachable";
3553  case WSAENETRESET:
3554  return "Network dropped connection on reset";
3555  case WSAECONNABORTED:
3556  return "Software caused connection abort";
3557  case WSAECONNRESET:
3558  return "Connection reset by peer";
3559  case WSAENOBUFS:
3560  return "No buffer space available";
3561  case WSAEISCONN:
3562  return "Socket is already connected";
3563  case WSAENOTCONN:
3564  return "Socket is not connected";
3565  case WSAESHUTDOWN:
3566  return "Cannot send after socket shutdown";
3567  case WSAETIMEDOUT:
3568  return "Connection timed out";
3569  case WSAECONNREFUSED:
3570  return "Connection refused";
3571  case WSAEHOSTDOWN:
3572  return "Host is down";
3573  case WSAEHOSTUNREACH:
3574  return "No route to host";
3575  case WSAEPROCLIM:
3576  return "Too many processes";
3577  case WSAEDISCON:
3578  return "Graceful shutdown in progress";
3579  case WSATYPE_NOT_FOUND:
3580  return "Class type not found";
3581  case WSAHOST_NOT_FOUND:
3582  return "Host not found";
3583  case WSATRY_AGAIN:
3584  return "Nonauthoritative host not found";
3585  case WSANO_RECOVERY:
3586  return "This is a nonrecoverable error";
3587  case WSANO_DATA:
3588  return "Valid name, no data record of requested type";
3589  case WSA_INVALID_HANDLE:
3590  return "Specified event object handle is invalid";
3591  case WSA_INVALID_PARAMETER:
3592  return "One or more parameters are invalid";
3593  case WSA_IO_INCOMPLETE:
3594  return "Overlapped I/O event object not in signaled state";
3595  case WSA_IO_PENDING:
3596  return "Overlapped operations will complete later";
3597  case WSA_NOT_ENOUGH_MEMORY:
3598  return "Insufficient memory available";
3599  case WSA_OPERATION_ABORTED:
3600  return "Overlapped operation aborted";
3601 #ifdef WSAINVALIDPROCTABLE
3602 
3603  case WSAINVALIDPROCTABLE:
3604  return "Invalid procedure table from service provider";
3605 #endif
3606 #ifdef WSAINVALIDPROVIDER
3607 
3608  case WSAINVALIDPROVIDER:
3609  return "Invalid service provider version number";
3610 #endif
3611 #ifdef WSAPROVIDERFAILEDINIT
3612 
3613  case WSAPROVIDERFAILEDINIT:
3614  return "Unable to initialize a service provider";
3615 #endif
3616 
3617  case WSASYSCALLFAILURE:
3618  return "System call failure";
3619  }
3620  msg = strerror (error_number);
3621  if (msg == NULL)
3622  msg = "unknown";
3623 
3624  return msg;
3625 #endif //DBUS_WINCE
3626 }
3627 
3635 void
3636 _dbus_win_set_error_from_win_error (DBusError *error,
3637  int code)
3638 {
3639  char *msg;
3640 
3641  /* As we want the English message, use the A API */
3642  FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3643  FORMAT_MESSAGE_IGNORE_INSERTS |
3644  FORMAT_MESSAGE_FROM_SYSTEM,
3645  NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3646  (LPSTR) &msg, 0, NULL);
3647  if (msg)
3648  {
3649  char *msg_copy;
3650 
3651  msg_copy = dbus_malloc (strlen (msg));
3652  strcpy (msg_copy, msg);
3653  LocalFree (msg);
3654 
3655  dbus_set_error (error, "win32.error", "%s", msg_copy);
3656  }
3657  else
3658  dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3659 }
3660 
3661 void
3662 _dbus_win_warn_win_error (const char *message,
3663  unsigned long code)
3664 {
3665  DBusError error;
3666 
3667  dbus_error_init (&error);
3668  _dbus_win_set_error_from_win_error (&error, code);
3669  _dbus_warn ("%s: %s\n", message, error.message);
3670  dbus_error_free (&error);
3671 }
3672 
3682  DBusError *error)
3683 {
3684  const char *filename_c;
3685 
3686  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3687 
3688  filename_c = _dbus_string_get_const_data (filename);
3689 
3690  if (RemoveDirectoryA (filename_c) == 0)
3691  {
3692  char *emsg = _dbus_win_error_string (GetLastError ());
3693  dbus_set_error (error, _dbus_win_error_from_last_error (),
3694  "Failed to remove directory %s: %s",
3695  filename_c, emsg);
3696  _dbus_win_free_error_string (emsg);
3697  return FALSE;
3698  }
3699 
3700  return TRUE;
3701 }
3702 
3711 {
3712  if (_dbus_string_get_length (filename) > 0)
3713  return _dbus_string_get_byte (filename, 1) == ':'
3714  || _dbus_string_get_byte (filename, 0) == '\\'
3715  || _dbus_string_get_byte (filename, 0) == '/';
3716  else
3717  return FALSE;
3718 }
3719 
3722 {
3723  return FALSE;
3724 }
3725 
3727 /* tests in dbus-sysdeps-util.c */
3728 
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:918
An atomic integer safe to increment or decrement from multiple threads.
Definition: dbus-sysdeps.h:227
#define DBUS_ERROR_FILE_NOT_FOUND
Missing file.
#define DBUS_ERROR_FILE_EXISTS
Existing file and the operation you're using does not silently overwrite.
const char * message
public error message field
Definition: dbus-errors.h:51
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
#define NULL
A null pointer, defined appropriately for C or C++.
volatile dbus_int32_t value
Value of the atomic integer.
Definition: dbus-sysdeps.h:232
dbus_bool_t _dbus_check_dir_is_private_to_user(DBusString *dir, DBusError *error)
Checks to make sure the given directory is private to the user.
void * dbus_realloc(void *memory, size_t bytes)
Resizes a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:601
dbus_bool_t _dbus_string_lengthen(DBusString *str, int additional_length)
Makes a string longer by the given number of bytes.
Definition: dbus-string.c:743
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:701
dbus_bool_t _dbus_delete_directory(const DBusString *filename, DBusError *error)
Removes a directory; Directory must be empty.
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition: dbus-memory.h:58
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
void _dbus_flush_caches(void)
Called when the bus daemon is signaled to reload its configuration; any caches should be nuked...
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
dbus_bool_t _dbus_full_duplex_pipe(int *fd1, int *fd2, dbus_bool_t blocking, DBusError *error)
Creates a full-duplex pipe (as in socketpair()).
int _dbus_write_socket_two(int fd, const DBusString *buffer1, int start1, int len1, const DBusString *buffer2, int start2, int len2)
Like _dbus_write() but will use writev() if possible to write both buffers in sequence.
dbus_bool_t _dbus_check_setuid(void)
NOTE: If you modify this function, please also consider making the corresponding change in GLib...
void _dbus_string_tolower_ascii(const DBusString *str, int start, int len)
Converts the given range of the string to lower case.
Definition: dbus-string.c:2467
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
A portable struct pollfd wrapper.
Definition: dbus-sysdeps.h:310
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
int _dbus_accept(int listen_fd)
Accepts a connection on a listening socket.
#define _DBUS_POLLIN
There is data to read.
Definition: dbus-sysdeps.h:294
dbus_bool_t _dbus_file_exists(const char *file)
Checks if a file exists.
char * _dbus_string_get_data_len(DBusString *str, int start, int len)
Gets a sub-portion of the raw character buffer from the string.
Definition: dbus-string.c:473
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
dbus_pid_t _dbus_getpid(void)
Gets our process ID.
dbus_bool_t _dbus_append_user_from_current_process(DBusString *str)
Append to the string the identity we would like to have when we authenticate, on UNIX this is the cur...
#define DBUS_ERROR_IO_ERROR
Something went wrong reading or writing to a socket, for example.
void _dbus_string_shorten(DBusString *str, int length_to_remove)
Makes a string shorter by the given number of bytes.
Definition: dbus-string.c:763
short events
Events to poll for.
Definition: dbus-sysdeps.h:313
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:1265
dbus_bool_t _dbus_read_credentials_socket(int handle, DBusCredentials *credentials, DBusError *error)
Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
const char * _dbus_getenv(const char *varname)
Wrapper for getenv().
Definition: dbus-sysdeps.c:185
void _dbus_abort(void)
Aborts the program with SIGABRT (dumping core).
Definition: dbus-sysdeps.c:77
dbus_bool_t _dbus_get_autolaunch_address(const char *scope, DBusString *address, DBusError *error)
Returns the address of a new session bus.
const char * _dbus_error_from_errno(int error_number)
Converts a UNIX errno, or Windows errno or WinSock error value into a DBusError name.
Definition: dbus-sysdeps.c:614
dbus_bool_t _dbus_path_is_absolute(const DBusString *filename)
Checks whether the filename is an absolute path.
void _dbus_get_monotonic_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:96
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
void _dbus_fd_set_close_on_exec(intptr_t handle)
Sets the file descriptor to be close on exec.
void _dbus_get_real_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc().
Definition: dbus-memory.c:461
dbus_bool_t _dbus_concat_dir_and_file(DBusString *dir, const DBusString *next_component)
Appends the given filename to the given directory.
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
void _dbus_string_init_const(DBusString *str, const char *value)
Initializes a constant string.
Definition: dbus-string.c:190
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
dbus_bool_t _dbus_make_file_world_readable(const DBusString *filename, DBusError *error)
Makes the file readable by every user in the system.
#define _DBUS_POLLOUT
Writing now will not block.
Definition: dbus-sysdeps.h:298
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
dbus_bool_t _dbus_append_keyring_directory_for_credentials(DBusString *directory, DBusCredentials *credentials)
Appends the directory in which a keyring for the given credentials should be stored.
int _dbus_read_socket(int fd, DBusString *buffer, int count)
Socket interface.
Object representing an exception.
Definition: dbus-errors.h:48
dbus_bool_t _dbus_string_validate_utf8(const DBusString *str, int start, int len)
Checks that the given range of the string is valid UTF-8.
Definition: dbus-string.c:2537
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
dbus_bool_t _dbus_send_credentials_socket(int handle, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:354
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
int fd
File descriptor.
Definition: dbus-sysdeps.h:312
dbus_bool_t _dbus_create_directory(const DBusString *filename, DBusError *error)
Creates a directory; succeeds if the directory is created or already existed.
dbus_bool_t _dbus_string_append_byte(DBusString *str, unsigned char byte)
Appends a single byte to the string, returning FALSE if not enough memory.
Definition: dbus-string.c:1139
#define _DBUS_UNLOCK(name)
Unlocks a global lock.
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:242
dbus_bool_t _dbus_credentials_add_from_current_process(DBusCredentials *credentials)
Adds the credentials of the current process to the passed-in credentials object.
#define TRUE
Expands to "1".
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
const char * _dbus_get_tmpdir(void)
Gets the temporary files directory by inspecting the environment variables TMPDIR, TMP, and TEMP in that order.
const char * _dbus_strerror_from_errno(void)
Get error message from errno.
Definition: dbus-sysdeps.c:769
unsigned long _dbus_pid_for_log(void)
The only reason this is separate from _dbus_getpid() is to allow it on Windows for logging but not fo...
void dbus_error_init(DBusError *error)
Initializes a DBusError structure.
Definition: dbus-errors.c:188
int _dbus_write_socket(int fd, const DBusString *buffer, int start, int len)
Thin wrapper around the write() system call that writes a part of a DBusString and handles EINTR for ...
void _dbus_exit(int code)
Exit the process, returning the given value.
#define DBUS_ERROR_ACCESS_DENIED
Security restrictions don't allow doing what you're trying to do.
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(void)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted) ...
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
dbus_bool_t _dbus_lookup_session_address(dbus_bool_t *supported, DBusString *address, DBusError *error)
Determines the address of the session bus by querying a platform-specific method. ...
#define FALSE
Expands to "0".
dbus_bool_t _dbus_read_local_machine_uuid(DBusGUID *machine_id, dbus_bool_t create_if_not_found, DBusError *error)
Reads the uuid of the machine we're running on from the dbus configuration.
void _dbus_print_backtrace(void)
On GNU libc systems, print a crude backtrace to stderr.
dbus_bool_t _dbus_sha_compute(const DBusString *data, DBusString *ascii_output)
Computes the ASCII hex-encoded shasum of the given data and appends it to the output string...
Definition: dbus-sha.c:483
void dbus_set_error_const(DBusError *error, const char *name, const char *message)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:243
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string.
Definition: dbus-string.c:785
#define _DBUS_LOCK(name)
Locks a global lock, initializing it first if necessary.
int _dbus_printf_string_upper_bound(const char *format, va_list args)
Measure the message length without terminating nul.
void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
dbus_bool_t _dbus_close_socket(int fd, DBusError *error)
Closes a file descriptor.
#define _DBUS_ZERO(object)
Sets all bits in an object to zero.
#define DBUS_ERROR_INVALID_ARGS
Invalid arguments passed to a method call.
short revents
Events that occurred.
Definition: dbus-sysdeps.h:314
#define DBUS_ERROR_LIMITS_EXCEEDED
Some limited resource is exhausted.
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length.
Definition: dbus-string.c:210
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
int _dbus_connect_tcp_socket(const char *host, const char *port, const char *family, DBusError *error)
Creates a socket and connects to a socket at the given host and port.
int _dbus_listen_tcp_socket(const char *host, const char *port, const char *family, DBusString *retport, int **fds_p, DBusError *error)
Creates a socket and binds it to the given path, then listens on the socket.
dbus_bool_t _dbus_generate_random_bytes(DBusString *str, int n_bytes)
Generates the given number of random bytes, using the best mechanism we can come up with...
#define _DBUS_POLLERR
Error condition.
Definition: dbus-sysdeps.h:300
dbus_bool_t _dbus_credentials_add_from_user(DBusCredentials *credentials, const DBusString *username)
Adds the credentials corresponding to the given username.