D-Bus  1.13.16
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 K├╝mmel <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 #include "dbus-internals.h"
34 #include "dbus-sha.h"
35 #include "dbus-sysdeps.h"
36 #include "dbus-threads.h"
37 #include "dbus-protocol.h"
38 #include "dbus-string.h"
39 #include "dbus-sysdeps.h"
40 #include "dbus-sysdeps-win.h"
41 #include "dbus-protocol.h"
42 #include "dbus-hash.h"
43 #include "dbus-sockets-win.h"
44 #include "dbus-list.h"
45 #include "dbus-nonce.h"
46 #include "dbus-credentials.h"
47 
48 #include <windows.h>
49 #include <wincrypt.h>
50 #include <iphlpapi.h>
51 
52 /* Declarations missing in mingw's and windows sdk 7.0 headers */
53 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
54 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
55 
56 #include <stdio.h>
57 #include <stdlib.h>
58 
59 #include <string.h>
60 #if HAVE_ERRNO_H
61 #include <errno.h>
62 #endif
63 #ifndef DBUS_WINCE
64 #include <mbstring.h>
65 #include <sys/stat.h>
66 #include <sys/types.h>
67 #endif
68 
69 #ifdef HAVE_WS2TCPIP_H
70 /* getaddrinfo for Windows CE (and Windows). */
71 #include <ws2tcpip.h>
72 #endif
73 
74 #ifndef O_BINARY
75 #define O_BINARY 0
76 #endif
77 
78 #ifndef PROCESS_QUERY_LIMITED_INFORMATION
79 /* MinGW32 < 4 does not define this value in its headers */
80 #define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
81 #endif
82 
83 typedef int socklen_t;
84 
85 /* uncomment to enable windows event based poll implementation */
86 //#define USE_CHRIS_IMPL
87 
88 void
89 _dbus_win_set_errno (int err)
90 {
91 #ifdef DBUS_WINCE
92  SetLastError (err);
93 #else
94  errno = err;
95 #endif
96 }
97 
98 static BOOL is_winxp_sp3_or_lower (void);
99 
100 /*
101  * _MIB_TCPROW_EX and friends are not available in system headers
102  * and are mapped to attribute identical ...OWNER_PID typedefs.
103  */
104 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
105 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
106 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
107 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
108 
109 /* Not protected by a lock, but if we miss a write, all that
110  * happens is that the lazy initialization will happen in two threads
111  * concurrently - it results in the same value either way so that's OK */
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 = 0, 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 peer's pid\n");
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  default:
328  return DBUS_ERROR_FAILED;
329  }
330 }
331 
332 
333 char*
334 _dbus_win_error_string (int error_number)
335 {
336  char *msg;
337 
338  FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
339  FORMAT_MESSAGE_IGNORE_INSERTS |
340  FORMAT_MESSAGE_FROM_SYSTEM,
341  NULL, error_number, 0,
342  (LPSTR) &msg, 0, NULL);
343 
344  if (msg[strlen (msg) - 1] == '\n')
345  msg[strlen (msg) - 1] = '\0';
346  if (msg[strlen (msg) - 1] == '\r')
347  msg[strlen (msg) - 1] = '\0';
348 
349  return msg;
350 }
351 
352 void
353 _dbus_win_free_error_string (char *string)
354 {
355  LocalFree (string);
356 }
357 
378 int
380  DBusString *buffer,
381  int count)
382 {
383  int bytes_read;
384  int start;
385  char *data;
386 
387  _dbus_assert (count >= 0);
388 
389  start = _dbus_string_get_length (buffer);
390 
391  if (!_dbus_string_lengthen (buffer, count))
392  {
393  _dbus_win_set_errno (ENOMEM);
394  return -1;
395  }
396 
397  data = _dbus_string_get_data_len (buffer, start, count);
398 
399  again:
400 
401  _dbus_verbose ("recv: count=%d fd=%Iu\n", count, fd.sock);
402  bytes_read = recv (fd.sock, data, count, 0);
403 
404  if (bytes_read == SOCKET_ERROR)
405  {
406  DBUS_SOCKET_SET_ERRNO();
407  _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
408  bytes_read = -1;
409  }
410  else
411  _dbus_verbose ("recv: = %d\n", bytes_read);
412 
413  if (bytes_read < 0)
414  {
415  if (errno == EINTR)
416  goto again;
417  else
418  {
419  /* put length back (note that this doesn't actually realloc anything) */
420  _dbus_string_set_length (buffer, start);
421  return -1;
422  }
423  }
424  else
425  {
426  /* put length back (doesn't actually realloc) */
427  _dbus_string_set_length (buffer, start + bytes_read);
428 
429 #if 0
430  if (bytes_read > 0)
431  _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
432 #endif
433 
434  return bytes_read;
435  }
436 }
437 
448 int
450  const DBusString *buffer,
451  int start,
452  int len)
453 {
454  const char *data;
455  int bytes_written;
456 
457  data = _dbus_string_get_const_data_len (buffer, start, len);
458 
459  again:
460 
461  _dbus_verbose ("send: len=%d fd=%Iu\n", len, fd.sock);
462  bytes_written = send (fd.sock, data, len, 0);
463 
464  if (bytes_written == SOCKET_ERROR)
465  {
466  DBUS_SOCKET_SET_ERRNO();
467  _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
468  bytes_written = -1;
469  }
470  else
471  _dbus_verbose ("send: = %d\n", bytes_written);
472 
473  if (bytes_written < 0 && errno == EINTR)
474  goto again;
475 
476 #if 0
477  if (bytes_written > 0)
478  _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
479 #endif
480 
481  return bytes_written;
482 }
483 
484 
494  DBusError *error)
495 {
496  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
497 
498  again:
499  if (closesocket (fd.sock) == SOCKET_ERROR)
500  {
501  DBUS_SOCKET_SET_ERRNO ();
502 
503  if (errno == EINTR)
504  goto again;
505 
506  dbus_set_error (error, _dbus_error_from_errno (errno),
507  "Could not close socket: socket=%Iu, , %s",
508  fd.sock, _dbus_strerror_from_errno ());
509  return FALSE;
510  }
511  _dbus_verbose ("socket=%Iu, \n", fd.sock);
512 
513  return TRUE;
514 }
515 
523 static void
524 _dbus_win_handle_set_close_on_exec (HANDLE handle)
525 {
526  if ( !SetHandleInformation( (HANDLE) handle,
527  HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
528  0 /*disable both flags*/ ) )
529  {
530  _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
531  }
532 }
533 
543  DBusError *error)
544 {
545  u_long one = 1;
546 
547  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
548 
549  if (ioctlsocket (handle.sock, FIONBIO, &one) == SOCKET_ERROR)
550  {
551  DBUS_SOCKET_SET_ERRNO ();
552  dbus_set_error (error, _dbus_error_from_errno (errno),
553  "Failed to set socket %Iu to nonblocking: %s",
554  handle.sock, _dbus_strerror_from_errno ());
555  return FALSE;
556  }
557 
558  return TRUE;
559 }
560 
561 
582 int
584  const DBusString *buffer1,
585  int start1,
586  int len1,
587  const DBusString *buffer2,
588  int start2,
589  int len2)
590 {
591  WSABUF vectors[2];
592  const char *data1;
593  const char *data2;
594  int rc;
595  DWORD bytes_written;
596 
597  _dbus_assert (buffer1 != NULL);
598  _dbus_assert (start1 >= 0);
599  _dbus_assert (start2 >= 0);
600  _dbus_assert (len1 >= 0);
601  _dbus_assert (len2 >= 0);
602 
603 
604  data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
605 
606  if (buffer2 != NULL)
607  data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
608  else
609  {
610  data2 = NULL;
611  start2 = 0;
612  len2 = 0;
613  }
614 
615  vectors[0].buf = (char*) data1;
616  vectors[0].len = len1;
617  vectors[1].buf = (char*) data2;
618  vectors[1].len = len2;
619 
620  again:
621 
622  _dbus_verbose ("WSASend: len1+2=%d+%d fd=%Iu\n", len1, len2, fd.sock);
623  rc = WSASend (fd.sock,
624  vectors,
625  data2 ? 2 : 1,
626  &bytes_written,
627  0,
628  NULL,
629  NULL);
630 
631  if (rc == SOCKET_ERROR)
632  {
633  DBUS_SOCKET_SET_ERRNO ();
634  _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
635  bytes_written = (DWORD) -1;
636  }
637  else
638  _dbus_verbose ("WSASend: = %ld\n", bytes_written);
639 
640  if (bytes_written == (DWORD) -1 && errno == EINTR)
641  goto again;
642 
643  return bytes_written;
644 }
645 
646 #if 0
647 
656 int
657 _dbus_connect_named_pipe (const char *path,
658  DBusError *error)
659 {
660  _dbus_assert_not_reached ("not implemented");
661 }
662 
663 #endif
664 
669 _dbus_win_startup_winsock (void)
670 {
671  /* Straight from MSDN, deuglified */
672 
673  /* Protected by _DBUS_LOCK_sysdeps */
674  static dbus_bool_t beenhere = FALSE;
675 
676  WORD wVersionRequested;
677  WSADATA wsaData;
678  int err;
679 
680  if (!_DBUS_LOCK (sysdeps))
681  return FALSE;
682 
683  if (beenhere)
684  goto out;
685 
686  wVersionRequested = MAKEWORD (2, 0);
687 
688  err = WSAStartup (wVersionRequested, &wsaData);
689  if (err != 0)
690  {
691  _dbus_assert_not_reached ("Could not initialize WinSock");
692  _dbus_abort ();
693  }
694 
695  /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
696  * supports versions greater than 2.0 in addition to 2.0, it will
697  * still return 2.0 in wVersion since that is the version we
698  * requested.
699  */
700  if (LOBYTE (wsaData.wVersion) != 2 ||
701  HIBYTE (wsaData.wVersion) != 0)
702  {
703  _dbus_assert_not_reached ("No usable WinSock found");
704  _dbus_abort ();
705  }
706 
707  beenhere = TRUE;
708 
709 out:
710  _DBUS_UNLOCK (sysdeps);
711  return TRUE;
712 }
713 
714 
715 
716 
717 
718 
719 
720 
721 
722 /************************************************************************
723 
724  UTF / string code
725 
726  ************************************************************************/
727 
731 int _dbus_printf_string_upper_bound (const char *format,
732  va_list args)
733 {
734  /* MSVCRT's vsnprintf semantics are a bit different */
735  char buf[1024];
736  int bufsize;
737  int len;
738  va_list args_copy;
739 
740  bufsize = sizeof (buf);
741  DBUS_VA_COPY (args_copy, args);
742  len = _vsnprintf (buf, bufsize - 1, format, args_copy);
743  va_end (args_copy);
744 
745  while (len == -1) /* try again */
746  {
747  char *p;
748 
749  bufsize *= 2;
750 
751  p = malloc (bufsize);
752 
753  if (p == NULL)
754  return -1;
755 
756  DBUS_VA_COPY (args_copy, args);
757  len = _vsnprintf (p, bufsize - 1, format, args_copy);
758  va_end (args_copy);
759  free (p);
760  }
761 
762  return len;
763 }
764 
765 
773 wchar_t *
774 _dbus_win_utf8_to_utf16 (const char *str,
775  DBusError *error)
776 {
777  DBusString s;
778  int n;
779  wchar_t *retval;
780 
781  _dbus_string_init_const (&s, str);
782 
783  if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
784  {
785  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
786  return NULL;
787  }
788 
789  n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
790 
791  if (n == 0)
792  {
793  _dbus_win_set_error_from_win_error (error, GetLastError ());
794  return NULL;
795  }
796 
797  retval = dbus_new (wchar_t, n);
798 
799  if (!retval)
800  {
801  _DBUS_SET_OOM (error);
802  return NULL;
803  }
804 
805  if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
806  {
807  dbus_free (retval);
808  dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
809  return NULL;
810  }
811 
812  return retval;
813 }
814 
822 char *
823 _dbus_win_utf16_to_utf8 (const wchar_t *str,
824  DBusError *error)
825 {
826  int n;
827  char *retval;
828 
829  n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
830 
831  if (n == 0)
832  {
833  _dbus_win_set_error_from_win_error (error, GetLastError ());
834  return NULL;
835  }
836 
837  retval = dbus_malloc (n);
838 
839  if (!retval)
840  {
841  _DBUS_SET_OOM (error);
842  return NULL;
843  }
844 
845  if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
846  {
847  dbus_free (retval);
848  dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
849  return NULL;
850  }
851 
852  return retval;
853 }
854 
855 
856 
857 
858 
859 
860 /************************************************************************
861 
862 
863  ************************************************************************/
864 
866 _dbus_win_account_to_sid (const wchar_t *waccount,
867  void **ppsid,
868  DBusError *error)
869 {
870  dbus_bool_t retval = FALSE;
871  DWORD sid_length, wdomain_length;
872  SID_NAME_USE use;
873  wchar_t *wdomain;
874 
875  *ppsid = NULL;
876 
877  sid_length = 0;
878  wdomain_length = 0;
879  if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
880  NULL, &wdomain_length, &use) &&
881  GetLastError () != ERROR_INSUFFICIENT_BUFFER)
882  {
883  _dbus_win_set_error_from_win_error (error, GetLastError ());
884  return FALSE;
885  }
886 
887  *ppsid = dbus_malloc (sid_length);
888  if (!*ppsid)
889  {
890  _DBUS_SET_OOM (error);
891  return FALSE;
892  }
893 
894  wdomain = dbus_new (wchar_t, wdomain_length);
895  if (!wdomain)
896  {
897  _DBUS_SET_OOM (error);
898  goto out1;
899  }
900 
901  if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
902  wdomain, &wdomain_length, &use))
903  {
904  _dbus_win_set_error_from_win_error (error, GetLastError ());
905  goto out2;
906  }
907 
908  if (!IsValidSid ((PSID) *ppsid))
909  {
910  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
911  goto out2;
912  }
913 
914  retval = TRUE;
915 
916 out2:
917  dbus_free (wdomain);
918 out1:
919  if (!retval)
920  {
921  dbus_free (*ppsid);
922  *ppsid = NULL;
923  }
924 
925  return retval;
926 }
927 
937 unsigned long
939 {
940  return _dbus_getpid ();
941 }
942 
943 #ifndef DBUS_WINCE
944 
945 static BOOL
946 is_winxp_sp3_or_lower (void)
947 {
948  OSVERSIONINFOEX osvi;
949  DWORDLONG dwlConditionMask = 0;
950  int op=VER_LESS_EQUAL;
951 
952  // Initialize the OSVERSIONINFOEX structure.
953 
954  ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
955  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
956  osvi.dwMajorVersion = 5;
957  osvi.dwMinorVersion = 1;
958  osvi.wServicePackMajor = 3;
959  osvi.wServicePackMinor = 0;
960 
961  // Initialize the condition mask.
962 
963  VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
964  VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
965  VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
966  VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
967 
968  // Perform the test.
969 
970  return VerifyVersionInfo(
971  &osvi,
972  VER_MAJORVERSION | VER_MINORVERSION |
973  VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
974  dwlConditionMask);
975 }
976 
983 _dbus_getsid(char **sid, dbus_pid_t process_id)
984 {
985  HANDLE process_token = INVALID_HANDLE_VALUE;
986  TOKEN_USER *token_user = NULL;
987  DWORD n;
988  PSID psid;
989  int retval = FALSE;
990 
991  HANDLE process_handle;
992  if (process_id == 0)
993  process_handle = GetCurrentProcess();
994  else if (is_winxp_sp3_or_lower())
995  process_handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, process_id);
996  else
997  process_handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
998 
999  if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
1000  {
1001  _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
1002  goto failed;
1003  }
1004  if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
1005  && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
1006  || (token_user = alloca (n)) == NULL
1007  || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
1008  {
1009  _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
1010  goto failed;
1011  }
1012  psid = token_user->User.Sid;
1013  if (!IsValidSid (psid))
1014  {
1015  _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1016  goto failed;
1017  }
1018  if (!ConvertSidToStringSidA (psid, sid))
1019  {
1020  _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1021  goto failed;
1022  }
1023 //okay:
1024  retval = TRUE;
1025 
1026 failed:
1027  CloseHandle (process_handle);
1028  if (process_token != INVALID_HANDLE_VALUE)
1029  CloseHandle (process_token);
1030 
1031  _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1032  return retval;
1033 }
1034 #endif
1035 
1036 /************************************************************************
1037 
1038  pipes
1039 
1040  ************************************************************************/
1041 
1056  DBusSocket *fd2,
1057  dbus_bool_t blocking,
1058  DBusError *error)
1059 {
1060  SOCKET temp, socket1 = -1, socket2 = -1;
1061  struct sockaddr_in saddr;
1062  int len;
1063  u_long arg;
1064 
1065  if (!_dbus_win_startup_winsock ())
1066  {
1067  _DBUS_SET_OOM (error);
1068  return FALSE;
1069  }
1070 
1071  temp = socket (AF_INET, SOCK_STREAM, 0);
1072  if (temp == INVALID_SOCKET)
1073  {
1074  DBUS_SOCKET_SET_ERRNO ();
1075  goto out0;
1076  }
1077 
1078  _DBUS_ZERO (saddr);
1079  saddr.sin_family = AF_INET;
1080  saddr.sin_port = 0;
1081  saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1082 
1083  if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1084  {
1085  DBUS_SOCKET_SET_ERRNO ();
1086  goto out0;
1087  }
1088 
1089  if (listen (temp, 1) == SOCKET_ERROR)
1090  {
1091  DBUS_SOCKET_SET_ERRNO ();
1092  goto out0;
1093  }
1094 
1095  len = sizeof (saddr);
1096  if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1097  {
1098  DBUS_SOCKET_SET_ERRNO ();
1099  goto out0;
1100  }
1101 
1102  socket1 = socket (AF_INET, SOCK_STREAM, 0);
1103  if (socket1 == INVALID_SOCKET)
1104  {
1105  DBUS_SOCKET_SET_ERRNO ();
1106  goto out0;
1107  }
1108 
1109  if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1110  {
1111  DBUS_SOCKET_SET_ERRNO ();
1112  goto out1;
1113  }
1114 
1115  socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1116  if (socket2 == INVALID_SOCKET)
1117  {
1118  DBUS_SOCKET_SET_ERRNO ();
1119  goto out1;
1120  }
1121 
1122  if (!blocking)
1123  {
1124  arg = 1;
1125  if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1126  {
1127  DBUS_SOCKET_SET_ERRNO ();
1128  goto out2;
1129  }
1130 
1131  arg = 1;
1132  if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1133  {
1134  DBUS_SOCKET_SET_ERRNO ();
1135  goto out2;
1136  }
1137  }
1138 
1139  fd1->sock = socket1;
1140  fd2->sock = socket2;
1141 
1142  _dbus_verbose ("full-duplex pipe %Iu:%Iu <-> %Iu:%Iu\n",
1143  fd1->sock, socket1, fd2->sock, socket2);
1144 
1145  closesocket (temp);
1146 
1147  return TRUE;
1148 
1149 out2:
1150  closesocket (socket2);
1151 out1:
1152  closesocket (socket1);
1153 out0:
1154  closesocket (temp);
1155 
1156  dbus_set_error (error, _dbus_error_from_errno (errno),
1157  "Could not setup socket pair: %s",
1159 
1160  return FALSE;
1161 }
1162 
1163 #ifdef DBUS_ENABLE_VERBOSE_MODE
1164 static dbus_bool_t
1165 _dbus_dump_fd_events (DBusPollFD *fds, int n_fds)
1166 {
1167  DBusString msg = _DBUS_STRING_INIT_INVALID;
1168  dbus_bool_t result = FALSE;
1169  int i;
1170 
1171  if (!_dbus_string_init (&msg))
1172  goto oom;
1173 
1174  for (i = 0; i < n_fds; i++)
1175  {
1176  DBusPollFD *fdp = &fds[i];
1177  if (!_dbus_string_append (&msg, i > 0 ? "\n\t" : "\t"))
1178  goto oom;
1179 
1180  if ((fdp->events & _DBUS_POLLIN) &&
1181  !_dbus_string_append_printf (&msg, "R:%Iu ", fdp->fd.sock))
1182  goto oom;
1183 
1184  if ((fdp->events & _DBUS_POLLOUT) &&
1185  !_dbus_string_append_printf (&msg, "W:%Iu ", fdp->fd.sock))
1186  goto oom;
1187 
1188  if (!_dbus_string_append_printf (&msg, "E:%Iu", fdp->fd.sock))
1189  goto oom;
1190  }
1191 
1192  _dbus_verbose ("%s\n", _dbus_string_get_const_data (&msg));
1193  result = TRUE;
1194 oom:
1195  _dbus_string_free (&msg);
1196  return result;
1197 }
1198 
1199 #ifdef USE_CHRIS_IMPL
1200 static dbus_bool_t
1201 _dbus_dump_fd_revents (DBusPollFD *fds, int n_fds)
1202 {
1203  DBusString msg = _DBUS_STRING_INIT_INVALID;
1204  dbus_bool_t result = FALSE;
1205  int i;
1206 
1207  if (!_dbus_string_init (&msg))
1208  goto oom;
1209 
1210  for (i = 0; i < n_fds; i++)
1211  {
1212  DBusPollFD *fdp = &fds[i];
1213  if (!_dbus_string_append (&msg, i > 0 ? "\n\t" : "\t"))
1214  goto oom;
1215 
1216  if ((fdp->revents & _DBUS_POLLIN) &&
1217  !_dbus_string_append_printf (&msg, "R:%Iu ", fdp->fd.sock))
1218  goto oom;
1219 
1220  if ((fdp->revents & _DBUS_POLLOUT) &&
1221  !_dbus_string_append_printf (&msg, "W:%Iu ", fdp->fd.sock))
1222  goto oom;
1223 
1224  if ((fdp->revents & _DBUS_POLLERR) &&
1225  !_dbus_string_append_printf (&msg, "E:%Iu", fdp->fd.sock))
1226  goto oom;
1227  }
1228 
1229  _dbus_verbose ("%s\n", _dbus_string_get_const_data (&msg));
1230  result = TRUE;
1231 oom:
1232  _dbus_string_free (&msg);
1233  return result;
1234 }
1235 #else
1236 static dbus_bool_t
1237 _dbus_dump_fdset (DBusPollFD *fds, int n_fds, fd_set *read_set, fd_set *write_set, fd_set *err_set)
1238 {
1239  DBusString msg = _DBUS_STRING_INIT_INVALID;
1240  dbus_bool_t result = FALSE;
1241  int i;
1242 
1243  if (!_dbus_string_init (&msg))
1244  goto oom;
1245 
1246  for (i = 0; i < n_fds; i++)
1247  {
1248  DBusPollFD *fdp = &fds[i];
1249 
1250  if (!_dbus_string_append (&msg, i > 0 ? "\n\t" : "\t"))
1251  goto oom;
1252 
1253  if (FD_ISSET (fdp->fd.sock, read_set) &&
1254  !_dbus_string_append_printf (&msg, "R:%Iu ", fdp->fd.sock))
1255  goto oom;
1256 
1257  if (FD_ISSET (fdp->fd.sock, write_set) &&
1258  !_dbus_string_append_printf (&msg, "W:%Iu ", fdp->fd.sock))
1259  goto oom;
1260 
1261  if (FD_ISSET (fdp->fd.sock, err_set) &&
1262  !_dbus_string_append_printf (&msg, "E:%Iu", fdp->fd.sock))
1263  goto oom;
1264  }
1265  _dbus_verbose ("%s\n", _dbus_string_get_const_data (&msg));
1266  result = TRUE;
1267 oom:
1268  _dbus_string_free (&msg);
1269  return result;
1270 }
1271 #endif
1272 #endif
1273 
1274 #ifdef USE_CHRIS_IMPL
1275 
1283 static int
1284 _dbus_poll_events (DBusPollFD *fds,
1285  int n_fds,
1286  int timeout_milliseconds)
1287 {
1288  int ret = 0;
1289  int i;
1290  DWORD ready;
1291 
1292 #define DBUS_STACK_WSAEVENTS 256
1293  WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1294  WSAEVENT *pEvents = NULL;
1295  if (n_fds > DBUS_STACK_WSAEVENTS)
1296  pEvents = calloc(sizeof(WSAEVENT), n_fds);
1297  else
1298  pEvents = eventsOnStack;
1299 
1300  if (pEvents == NULL)
1301  {
1302  _dbus_win_set_errno (ENOMEM);
1303  ret = -1;
1304  goto oom;
1305  }
1306 
1307 #ifdef DBUS_ENABLE_VERBOSE_MODE
1308  _dbus_verbose ("_dbus_poll: to=%d", timeout_milliseconds);
1309  if (!_dbus_dump_fd_events (fds, n_fds))
1310  {
1311  _dbus_win_set_errno (ENOMEM);
1312  ret = -1;
1313  goto oom;
1314  }
1315 #endif
1316 
1317  for (i = 0; i < n_fds; i++)
1318  pEvents[i] = WSA_INVALID_EVENT;
1319 
1320  for (i = 0; i < n_fds; i++)
1321  {
1322  DBusPollFD *fdp = &fds[i];
1323  WSAEVENT ev;
1324  long lNetworkEvents = FD_OOB;
1325 
1326  ev = WSACreateEvent();
1327 
1328  if (fdp->events & _DBUS_POLLIN)
1329  lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1330 
1331  if (fdp->events & _DBUS_POLLOUT)
1332  lNetworkEvents |= FD_WRITE | FD_CONNECT;
1333 
1334  WSAEventSelect (fdp->fd.sock, ev, lNetworkEvents);
1335 
1336  pEvents[i] = ev;
1337  }
1338 
1339  ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1340 
1341  if (ready == WSA_WAIT_FAILED)
1342  {
1343  DBUS_SOCKET_SET_ERRNO ();
1344  if (errno != WSAEWOULDBLOCK)
1345  _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1346  ret = -1;
1347  }
1348  else if (ready == WSA_WAIT_TIMEOUT)
1349  {
1350  _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1351  ret = 0;
1352  }
1353  else if (ready < (WSA_WAIT_EVENT_0 + n_fds))
1354  {
1355  for (i = 0; i < n_fds; i++)
1356  {
1357  DBusPollFD *fdp = &fds[i];
1358  WSANETWORKEVENTS ne;
1359 
1360  fdp->revents = 0;
1361 
1362  WSAEnumNetworkEvents (fdp->fd.sock, pEvents[i], &ne);
1363 
1364  if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1365  fdp->revents |= _DBUS_POLLIN;
1366 
1367  if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1368  fdp->revents |= _DBUS_POLLOUT;
1369 
1370  if (ne.lNetworkEvents & (FD_OOB))
1371  fdp->revents |= _DBUS_POLLERR;
1372 
1373  if(ne.lNetworkEvents)
1374  ret++;
1375 
1376  WSAEventSelect (fdp->fd.sock, pEvents[i], 0);
1377  }
1378 #ifdef DBUS_ENABLE_VERBOSE_MODE
1379  _dbus_verbose ("_dbus_poll: to=%d", timeout_milliseconds);
1380  if (!_dbus_dump_fd_revents (fds, n_fds))
1381  {
1382  _dbus_win_set_errno (ENOMEM);
1383  ret = -1;
1384  goto oom;
1385  }
1386 #endif
1387  }
1388  else
1389  {
1390  _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1391  ret = -1;
1392  }
1393 
1394 oom:
1395  if (pEvents != NULL)
1396  {
1397  for (i = 0; i < n_fds; i++)
1398  {
1399  if (pEvents[i] != WSA_INVALID_EVENT)
1400  WSACloseEvent (pEvents[i]);
1401  }
1402  if (n_fds > DBUS_STACK_WSAEVENTS)
1403  free (pEvents);
1404  }
1405 
1406  return ret;
1407 }
1408 #else
1409 
1417 static int
1418 _dbus_poll_select (DBusPollFD *fds,
1419  int n_fds,
1420  int timeout_milliseconds)
1421 {
1422  fd_set read_set, write_set, err_set;
1423  SOCKET max_fd = 0;
1424  int i;
1425  struct timeval tv;
1426  int ready;
1427 
1428  FD_ZERO (&read_set);
1429  FD_ZERO (&write_set);
1430  FD_ZERO (&err_set);
1431 #ifdef DBUS_ENABLE_VERBOSE_MODE
1432  _dbus_verbose("_dbus_poll: to=%d", timeout_milliseconds);
1433  if (!_dbus_dump_fd_events (fds, n_fds))
1434  {
1435  ready = -1;
1436  goto oom;
1437  }
1438 #endif
1439 
1440  for (i = 0; i < n_fds; i++)
1441  {
1442  DBusPollFD *fdp = &fds[i];
1443 
1444  if (fdp->events & _DBUS_POLLIN)
1445  FD_SET (fdp->fd.sock, &read_set);
1446 
1447  if (fdp->events & _DBUS_POLLOUT)
1448  FD_SET (fdp->fd.sock, &write_set);
1449 
1450  FD_SET (fdp->fd.sock, &err_set);
1451 
1452  max_fd = MAX (max_fd, fdp->fd.sock);
1453  }
1454 
1455  // Avoid random lockups with send(), for lack of a better solution so far
1456  tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1457  tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1458 
1459  ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1460 
1461  if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1462  {
1463  DBUS_SOCKET_SET_ERRNO ();
1464  if (errno != WSAEWOULDBLOCK)
1465  _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1466  }
1467  else if (ready == 0)
1468  _dbus_verbose ("select: = 0\n");
1469  else
1470  if (ready > 0)
1471  {
1472 #ifdef DBUS_ENABLE_VERBOSE_MODE
1473  _dbus_verbose ("select: to=%d\n", ready);
1474  if (!_dbus_dump_fdset (fds, n_fds, &read_set, &write_set, &err_set))
1475  {
1476  _dbus_win_set_errno (ENOMEM);
1477  ready = -1;
1478  goto oom;
1479  }
1480 #endif
1481  for (i = 0; i < n_fds; i++)
1482  {
1483  DBusPollFD *fdp = &fds[i];
1484 
1485  fdp->revents = 0;
1486 
1487  if (FD_ISSET (fdp->fd.sock, &read_set))
1488  fdp->revents |= _DBUS_POLLIN;
1489 
1490  if (FD_ISSET (fdp->fd.sock, &write_set))
1491  fdp->revents |= _DBUS_POLLOUT;
1492 
1493  if (FD_ISSET (fdp->fd.sock, &err_set))
1494  fdp->revents |= _DBUS_POLLERR;
1495  }
1496  }
1497 oom:
1498  return ready;
1499 }
1500 #endif
1501 
1510 int
1512  int n_fds,
1513  int timeout_milliseconds)
1514 {
1515 #ifdef USE_CHRIS_IMPL
1516  return _dbus_poll_events (fds, n_fds, timeout_milliseconds);
1517 #else
1518  return _dbus_poll_select (fds, n_fds, timeout_milliseconds);
1519 #endif
1520 }
1521 
1522 /******************************************************************************
1523 
1524 Original CVS version of dbus-sysdeps.c
1525 
1526 ******************************************************************************/
1527 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1528 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1529  *
1530  * Copyright (C) 2002, 2003 Red Hat, Inc.
1531  * Copyright (C) 2003 CodeFactory AB
1532  * Copyright (C) 2005 Novell, Inc.
1533  *
1534  * Licensed under the Academic Free License version 2.1
1535  *
1536  * This program is free software; you can redistribute it and/or modify
1537  * it under the terms of the GNU General Public License as published by
1538  * the Free Software Foundation; either version 2 of the License, or
1539  * (at your option) any later version.
1540  *
1541  * This program is distributed in the hope that it will be useful,
1542  * but WITHOUT ANY WARRANTY; without even the implied warranty of
1543  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1544  * GNU General Public License for more details.
1545  *
1546  * You should have received a copy of the GNU General Public License
1547  * along with this program; if not, write to the Free Software
1548  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1549  *
1550  */
1551 
1552 
1558 void
1559 _dbus_exit (int code)
1560 {
1561  _exit (code);
1562 }
1563 
1575 DBusSocket
1576 _dbus_connect_tcp_socket (const char *host,
1577  const char *port,
1578  const char *family,
1579  DBusError *error)
1580 {
1581  return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1582 }
1583 
1584 DBusSocket
1585 _dbus_connect_tcp_socket_with_nonce (const char *host,
1586  const char *port,
1587  const char *family,
1588  const char *noncefile,
1589  DBusError *error)
1590 {
1591  int saved_errno = 0;
1592  DBusList *connect_errors = NULL;
1593  DBusSocket fd = DBUS_SOCKET_INIT;
1594  int res;
1595  struct addrinfo hints;
1596  struct addrinfo *ai = NULL;
1597  const struct addrinfo *tmp;
1598  DBusError *connect_error;
1599 
1600  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1601 
1602  if (!_dbus_win_startup_winsock ())
1603  {
1604  _DBUS_SET_OOM (error);
1605  return _dbus_socket_get_invalid ();
1606  }
1607 
1608  _DBUS_ZERO (hints);
1609 
1610  if (!family)
1611  hints.ai_family = AF_UNSPEC;
1612  else if (!strcmp(family, "ipv4"))
1613  hints.ai_family = AF_INET;
1614  else if (!strcmp(family, "ipv6"))
1615  hints.ai_family = AF_INET6;
1616  else
1617  {
1618  dbus_set_error (error,
1620  "Unknown address family %s", family);
1621  return _dbus_socket_get_invalid ();
1622  }
1623  hints.ai_protocol = IPPROTO_TCP;
1624  hints.ai_socktype = SOCK_STREAM;
1625 #ifdef AI_ADDRCONFIG
1626  hints.ai_flags = AI_ADDRCONFIG;
1627 #else
1628  hints.ai_flags = 0;
1629 #endif
1630 
1631  if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1632  {
1633  dbus_set_error (error,
1634  _dbus_error_from_errno (res),
1635  "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1636  host, port, _dbus_strerror (res), res);
1637  goto out;
1638  }
1639 
1640  tmp = ai;
1641  while (tmp)
1642  {
1643  if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1644  {
1645  saved_errno = _dbus_get_low_level_socket_errno ();
1646  dbus_set_error (error,
1647  _dbus_error_from_errno (saved_errno),
1648  "Failed to open socket: %s",
1649  _dbus_strerror (saved_errno));
1650  _dbus_socket_invalidate (&fd);
1651  goto out;
1652  }
1653  _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1654 
1655  if (connect (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1656  {
1657  saved_errno = _dbus_get_low_level_socket_errno ();
1658  closesocket(fd.sock);
1659  _dbus_socket_invalidate (&fd);
1660 
1661  connect_error = dbus_new0 (DBusError, 1);
1662 
1663  if (connect_error == NULL)
1664  {
1665  _DBUS_SET_OOM (error);
1666  goto out;
1667  }
1668 
1669  dbus_error_init (connect_error);
1670  _dbus_set_error_with_inet_sockaddr (connect_error,
1671  tmp->ai_addr, tmp->ai_addrlen,
1672  "Failed to connect to socket",
1673  saved_errno);
1674 
1675  if (!_dbus_list_append (&connect_errors, connect_error))
1676  {
1677  dbus_error_free (connect_error);
1678  dbus_free (connect_error);
1679  _DBUS_SET_OOM (error);
1680  goto out;
1681  }
1682 
1683  tmp = tmp->ai_next;
1684  continue;
1685  }
1686 
1687  break;
1688  }
1689 
1690  if (!_dbus_socket_is_valid (fd))
1691  {
1692  _dbus_combine_tcp_errors (&connect_errors, "Failed to connect",
1693  host, port, error);
1694  goto out;
1695  }
1696 
1697  if (noncefile != NULL)
1698  {
1699  DBusString noncefileStr;
1700  dbus_bool_t ret;
1701  _dbus_string_init_const (&noncefileStr, noncefile);
1702  ret = _dbus_send_nonce (fd, &noncefileStr, error);
1703 
1704  if (!ret)
1705  {
1706  closesocket (fd.sock);
1707  _dbus_socket_invalidate (&fd);
1708  goto out;
1709  }
1710  }
1711 
1712  /* Every SOCKET is also a HANDLE. */
1713  _dbus_win_handle_set_close_on_exec ((HANDLE) fd.sock);
1714 
1715  if (!_dbus_set_socket_nonblocking (fd, error))
1716  {
1717  closesocket (fd.sock);
1718  _dbus_socket_invalidate (&fd);
1719  goto out;
1720  }
1721 
1722 out:
1723  if (ai != NULL)
1724  freeaddrinfo (ai);
1725 
1726  while ((connect_error = _dbus_list_pop_first (&connect_errors)))
1727  {
1728  dbus_error_free (connect_error);
1729  dbus_free (connect_error);
1730  }
1731 
1732  return fd;
1733 }
1734 
1750 int
1751 _dbus_listen_tcp_socket (const char *host,
1752  const char *port,
1753  const char *family,
1754  DBusString *retport,
1755  const char **retfamily,
1756  DBusSocket **fds_p,
1757  DBusError *error)
1758 {
1759  int saved_errno;
1760  int nlisten_fd = 0, res, i, port_num = -1;
1761  DBusList *bind_errors = NULL;
1762  DBusError *bind_error = NULL;
1763  DBusSocket *listen_fd = NULL;
1764  struct addrinfo hints;
1765  struct addrinfo *ai, *tmp;
1766  dbus_bool_t have_ipv4 = FALSE;
1767  dbus_bool_t have_ipv6 = FALSE;
1768 
1769  // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1770  //That's required for family == IPv6(which is the default on Vista if family is not given)
1771  //So we use our own union instead of sockaddr_gen:
1772 
1773  typedef union {
1774  struct sockaddr Address;
1775  struct sockaddr_in AddressIn;
1776  struct sockaddr_in6 AddressIn6;
1777  } mysockaddr_gen;
1778 
1779  *fds_p = NULL;
1780  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1781 
1782  if (!_dbus_win_startup_winsock ())
1783  {
1784  _DBUS_SET_OOM (error);
1785  return -1;
1786  }
1787 
1788  _DBUS_ZERO (hints);
1789 
1790  if (!family)
1791  hints.ai_family = AF_UNSPEC;
1792  else if (!strcmp(family, "ipv4"))
1793  hints.ai_family = AF_INET;
1794  else if (!strcmp(family, "ipv6"))
1795  hints.ai_family = AF_INET6;
1796  else
1797  {
1798  dbus_set_error (error,
1800  "Unknown address family %s", family);
1801  return -1;
1802  }
1803 
1804  hints.ai_protocol = IPPROTO_TCP;
1805  hints.ai_socktype = SOCK_STREAM;
1806 #ifdef AI_ADDRCONFIG
1807  hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1808 #else
1809  hints.ai_flags = AI_PASSIVE;
1810 #endif
1811 
1812  redo_lookup_with_port:
1813  ai = NULL;
1814  if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1815  {
1816  dbus_set_error (error,
1817  _dbus_error_from_errno (res),
1818  "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1819  host ? host : "*", port, _dbus_strerror(res), res);
1820  return -1;
1821  }
1822 
1823  tmp = ai;
1824  while (tmp)
1825  {
1826  const int reuseaddr = 1, tcp_nodelay_on = 1;
1827  DBusSocket fd = DBUS_SOCKET_INIT, *newlisten_fd;
1828 
1829  if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1830  {
1831  saved_errno = _dbus_get_low_level_socket_errno ();
1832  dbus_set_error (error,
1833  _dbus_error_from_errno (saved_errno),
1834  "Failed to open socket: %s",
1835  _dbus_strerror (saved_errno));
1836  goto failed;
1837  }
1838  _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1839 
1840  if (setsockopt (fd.sock, SOL_SOCKET, SO_REUSEADDR, (const char *)&reuseaddr, sizeof(reuseaddr)) == SOCKET_ERROR)
1841  {
1842  saved_errno = _dbus_get_low_level_socket_errno ();
1843  _dbus_warn ("Failed to set socket option \"%s:%s\": %s",
1844  host ? host : "*", port, _dbus_strerror (saved_errno));
1845  }
1846 
1847  /* Nagle's algorithm imposes a huge delay on the initial messages
1848  going over TCP. */
1849  if (setsockopt (fd.sock, IPPROTO_TCP, TCP_NODELAY, (const char *)&tcp_nodelay_on, sizeof (tcp_nodelay_on)) == SOCKET_ERROR)
1850  {
1851  saved_errno = _dbus_get_low_level_socket_errno ();
1852  _dbus_warn ("Failed to set TCP_NODELAY socket option \"%s:%s\": %s",
1853  host ? host : "*", port, _dbus_strerror (saved_errno));
1854  }
1855 
1856  if (bind (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1857  {
1858  saved_errno = _dbus_get_low_level_socket_errno ();
1859  closesocket (fd.sock);
1860 
1861  /*
1862  * We don't treat this as a fatal error, because there might be
1863  * other addresses that we can listen on. In particular:
1864  *
1865  * - If saved_errno is WSAEADDRINUSE after we
1866  * "goto redo_lookup_with_port" after binding a port on one of the
1867  * possible addresses, we will try to bind that same port on
1868  * every address, including the same address again for a second
1869  * time, which will fail with WSAEADDRINUSE .
1870  *
1871  * - If saved_errno is WSAEADDRINUSE, it might be because binding to
1872  * an IPv6 address implicitly binds to a corresponding IPv4
1873  * address or vice versa.
1874  *
1875  * - If saved_errno is WSAEADDRNOTAVAIL when we asked for family
1876  * AF_UNSPEC, it might be because IPv6 is disabled for this
1877  * particular interface.
1878  */
1879  bind_error = dbus_new0 (DBusError, 1);
1880 
1881  if (bind_error == NULL)
1882  {
1883  _DBUS_SET_OOM (error);
1884  goto failed;
1885  }
1886 
1887  dbus_error_init (bind_error);
1888  _dbus_set_error_with_inet_sockaddr (bind_error, tmp->ai_addr, tmp->ai_addrlen,
1889  "Failed to bind socket",
1890  saved_errno);
1891 
1892  if (!_dbus_list_append (&bind_errors, bind_error))
1893  {
1894  dbus_error_free (bind_error);
1895  dbus_free (bind_error);
1896  _DBUS_SET_OOM (error);
1897  goto failed;
1898  }
1899 
1900  /* Try the next address, maybe it will work better */
1901  tmp = tmp->ai_next;
1902  continue;
1903  }
1904 
1905  if (listen (fd.sock, 30 /* backlog */) == SOCKET_ERROR)
1906  {
1907  saved_errno = _dbus_get_low_level_socket_errno ();
1908  closesocket (fd.sock);
1909  _dbus_set_error_with_inet_sockaddr (error, tmp->ai_addr, tmp->ai_addrlen,
1910  "Failed to listen on socket",
1911  saved_errno);
1912  goto failed;
1913  }
1914 
1915  newlisten_fd = dbus_realloc(listen_fd, sizeof(DBusSocket)*(nlisten_fd+1));
1916  if (!newlisten_fd)
1917  {
1918  closesocket (fd.sock);
1920  "Failed to allocate file handle array");
1921  goto failed;
1922  }
1923  listen_fd = newlisten_fd;
1924  listen_fd[nlisten_fd] = fd;
1925  nlisten_fd++;
1926 
1927  if (tmp->ai_addr->sa_family == AF_INET)
1928  have_ipv4 = TRUE;
1929  else if (tmp->ai_addr->sa_family == AF_INET6)
1930  have_ipv6 = TRUE;
1931 
1932  if (!_dbus_string_get_length(retport))
1933  {
1934  /* If the user didn't specify a port, or used 0, then
1935  the kernel chooses a port. After the first address
1936  is bound to, we need to force all remaining addresses
1937  to use the same port */
1938  if (!port || !strcmp(port, "0"))
1939  {
1940  mysockaddr_gen addr;
1941  socklen_t addrlen = sizeof(addr);
1942  char portbuf[NI_MAXSERV];
1943 
1944  if (getsockname (fd.sock, &addr.Address, &addrlen) == SOCKET_ERROR ||
1945  (res = getnameinfo (&addr.Address, addrlen, NULL, 0,
1946  portbuf, sizeof(portbuf),
1947  NI_NUMERICSERV)) != 0)
1948  {
1949  saved_errno = _dbus_get_low_level_socket_errno ();
1950  dbus_set_error (error, _dbus_error_from_errno (saved_errno),
1951  "Failed to resolve port \"%s:%s\": %s",
1952  host ? host : "*", port, _dbus_strerror (saved_errno));
1953  goto failed;
1954  }
1955  if (!_dbus_string_append(retport, portbuf))
1956  {
1958  goto failed;
1959  }
1960 
1961  /* Release current address list & redo lookup */
1962  port = _dbus_string_get_const_data(retport);
1963  freeaddrinfo(ai);
1964  goto redo_lookup_with_port;
1965  }
1966  else
1967  {
1968  if (!_dbus_string_append(retport, port))
1969  {
1971  goto failed;
1972  }
1973  }
1974  }
1975 
1976  tmp = tmp->ai_next;
1977  }
1978  freeaddrinfo(ai);
1979  ai = NULL;
1980 
1981  if (!nlisten_fd)
1982  {
1983  _dbus_combine_tcp_errors (&bind_errors, "Failed to bind", host, port, error);
1984  goto failed;
1985  }
1986 
1987  if (have_ipv4 && !have_ipv6)
1988  *retfamily = "ipv4";
1989  else if (!have_ipv4 && have_ipv6)
1990  *retfamily = "ipv6";
1991 
1992  sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1993 
1994  for (i = 0 ; i < nlisten_fd ; i++)
1995  {
1996  _dbus_win_handle_set_close_on_exec ((HANDLE) listen_fd[i].sock);
1997  if (!_dbus_set_socket_nonblocking (listen_fd[i], error))
1998  {
1999  goto failed;
2000  }
2001  }
2002 
2003  *fds_p = listen_fd;
2004 
2005  /* This list might be non-empty even on success, because we might be
2006  * ignoring WSAEADDRINUSE or WSAEADDRNOTAVAIL */
2007  while ((bind_error = _dbus_list_pop_first (&bind_errors)))
2008  {
2009  dbus_error_free (bind_error);
2010  dbus_free (bind_error);
2011  }
2012  return nlisten_fd;
2013 
2014  failed:
2015  if (ai)
2016  freeaddrinfo(ai);
2017  for (i = 0 ; i < nlisten_fd ; i++)
2018  closesocket (listen_fd[i].sock);
2019 
2020  while ((bind_error = _dbus_list_pop_first (&bind_errors)))
2021  {
2022  dbus_error_free (bind_error);
2023  dbus_free (bind_error);
2024  }
2025 
2026  dbus_free(listen_fd);
2027  return -1;
2028 }
2029 
2030 
2038 DBusSocket
2040 {
2041  DBusSocket client_fd;
2042 
2043  retry:
2044  client_fd.sock = accept (listen_fd.sock, NULL, NULL);
2045 
2046  if (!_dbus_socket_is_valid (client_fd))
2047  {
2048  DBUS_SOCKET_SET_ERRNO ();
2049  if (errno == EINTR)
2050  goto retry;
2051  }
2052 
2053  _dbus_verbose ("client fd %Iu accepted\n", client_fd.sock);
2054 
2055  return client_fd;
2056 }
2057 
2058 
2059 
2060 
2063  DBusError *error)
2064 {
2065 /* FIXME: for the session bus credentials shouldn't matter (?), but
2066  * for the system bus they are presumably essential. A rough outline
2067  * of a way to implement the credential transfer would be this:
2068  *
2069  * client waits to *read* a byte.
2070  *
2071  * server creates a named pipe with a random name, sends a byte
2072  * contining its length, and its name.
2073  *
2074  * client reads the name, connects to it (using Win32 API).
2075  *
2076  * server waits for connection to the named pipe, then calls
2077  * ImpersonateNamedPipeClient(), notes its now-current credentials,
2078  * calls RevertToSelf(), closes its handles to the named pipe, and
2079  * is done. (Maybe there is some other way to get the SID of a named
2080  * pipe client without having to use impersonation?)
2081  *
2082  * client closes its handles and is done.
2083  *
2084  * Ralf: Why not sending credentials over the given this connection ?
2085  * Using named pipes makes it impossible to be connected from a unix client.
2086  *
2087  */
2088  int bytes_written;
2089  DBusString buf;
2090 
2091  _dbus_string_init_const_len (&buf, "\0", 1);
2092 again:
2093  bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
2094 
2095  if (bytes_written < 0 && errno == EINTR)
2096  goto again;
2097 
2098  if (bytes_written < 0)
2099  {
2100  dbus_set_error (error, _dbus_error_from_errno (errno),
2101  "Failed to write credentials byte: %s",
2103  return FALSE;
2104  }
2105  else if (bytes_written == 0)
2106  {
2108  "wrote zero bytes writing credentials byte");
2109  return FALSE;
2110  }
2111  else
2112  {
2113  _dbus_assert (bytes_written == 1);
2114  _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
2115  return TRUE;
2116  }
2117  return TRUE;
2118 }
2119 
2140  DBusCredentials *credentials,
2141  DBusError *error)
2142 {
2143  int bytes_read = 0;
2144  DBusString buf;
2145 
2146  char *sid = NULL;
2147  dbus_pid_t pid;
2148  int retval = FALSE;
2149 
2150  // could fail due too OOM
2151  if (_dbus_string_init (&buf))
2152  {
2153  bytes_read = _dbus_read_socket (handle, &buf, 1 );
2154 
2155  if (bytes_read > 0)
2156  _dbus_verbose ("got one zero byte from server\n");
2157 
2158  _dbus_string_free (&buf);
2159  }
2160 
2161  pid = _dbus_get_peer_pid_from_tcp_handle (handle.sock);
2162  if (pid == 0)
2163  return TRUE;
2164 
2165  _dbus_credentials_add_pid (credentials, pid);
2166 
2167  if (_dbus_getsid (&sid, pid))
2168  {
2169  if (!_dbus_credentials_add_windows_sid (credentials, sid))
2170  goto out;
2171  }
2172 
2173  retval = TRUE;
2174 
2175 out:
2176  if (sid)
2177  LocalFree (sid);
2178 
2179  return retval;
2180 }
2181 
2192 {
2193  /* TODO */
2194  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2195  return TRUE;
2196 }
2197 
2198 
2211  const DBusString *next_component)
2212 {
2213  dbus_bool_t dir_ends_in_slash;
2214  dbus_bool_t file_starts_with_slash;
2215 
2216  if (_dbus_string_get_length (dir) == 0 ||
2217  _dbus_string_get_length (next_component) == 0)
2218  return TRUE;
2219 
2220  dir_ends_in_slash =
2221  ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
2222  '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
2223 
2224  file_starts_with_slash =
2225  ('/' == _dbus_string_get_byte (next_component, 0) ||
2226  '\\' == _dbus_string_get_byte (next_component, 0));
2227 
2228  if (dir_ends_in_slash && file_starts_with_slash)
2229  {
2230  _dbus_string_shorten (dir, 1);
2231  }
2232  else if (!(dir_ends_in_slash || file_starts_with_slash))
2233  {
2234  if (!_dbus_string_append_byte (dir, '\\'))
2235  return FALSE;
2236  }
2237 
2238  return _dbus_string_copy (next_component, 0, dir,
2239  _dbus_string_get_length (dir));
2240 }
2241 
2242 /*---------------- DBusCredentials ----------------------------------*/
2243 
2253  const DBusString *username,
2254  DBusCredentialsAddFlags flags,
2255  DBusError *error)
2256 {
2257  if (!_dbus_credentials_add_windows_sid (credentials,
2258  _dbus_string_get_const_data (username)))
2259  {
2260  _DBUS_SET_OOM (error);
2261  return FALSE;
2262  }
2263 
2264  return TRUE;
2265 }
2266 
2277 {
2278  dbus_bool_t retval = FALSE;
2279  char *sid = NULL;
2280 
2281  if (!_dbus_getsid(&sid, _dbus_getpid()))
2282  goto failed;
2283 
2284  if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2285  goto failed;
2286 
2287  if (!_dbus_credentials_add_windows_sid (credentials,sid))
2288  goto failed;
2289 
2290  retval = TRUE;
2291  goto end;
2292 failed:
2293  retval = FALSE;
2294 end:
2295  if (sid)
2296  LocalFree(sid);
2297 
2298  return retval;
2299 }
2300 
2315 {
2316  dbus_bool_t retval = FALSE;
2317  char *sid = NULL;
2318 
2319  if (!_dbus_getsid(&sid, _dbus_getpid()))
2320  return FALSE;
2321 
2322  retval = _dbus_string_append (str,sid);
2323 
2324  LocalFree(sid);
2325  return retval;
2326 }
2327 
2332 dbus_pid_t
2334 {
2335  return GetCurrentProcessId ();
2336 }
2337 
2341 dbus_uid_t
2343 {
2344  return DBUS_UID_UNSET;
2345 }
2346 
2348 #define NANOSECONDS_PER_SECOND 1000000000
2349 
2350 #define MICROSECONDS_PER_SECOND 1000000
2351 
2352 #define MILLISECONDS_PER_SECOND 1000
2353 
2354 #define NANOSECONDS_PER_MILLISECOND 1000000
2355 
2356 #define MICROSECONDS_PER_MILLISECOND 1000
2357 
2362 void
2363 _dbus_sleep_milliseconds (int milliseconds)
2364 {
2365  Sleep (milliseconds);
2366 }
2367 
2368 
2376 void
2377 _dbus_get_real_time (long *tv_sec,
2378  long *tv_usec)
2379 {
2380  FILETIME ft;
2381  dbus_uint64_t time64;
2382 
2383  GetSystemTimeAsFileTime (&ft);
2384 
2385  memcpy (&time64, &ft, sizeof (time64));
2386 
2387  /* Convert from 100s of nanoseconds since 1601-01-01
2388  * to Unix epoch. Yes, this is Y2038 unsafe.
2389  */
2390  time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2391  time64 /= 10;
2392 
2393  if (tv_sec)
2394  *tv_sec = time64 / 1000000;
2395 
2396  if (tv_usec)
2397  *tv_usec = time64 % 1000000;
2398 }
2399 
2407 void
2409  long *tv_usec)
2410 {
2411  /* no implementation yet, fall back to wall-clock time */
2412  _dbus_get_real_time (tv_sec, tv_usec);
2413 }
2414 
2418 void
2420 {
2421 }
2422 
2433  DBusError *error)
2434 {
2435  const char *filename_c;
2436 
2437  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2438 
2439  filename_c = _dbus_string_get_const_data (filename);
2440 
2441  if (!CreateDirectoryA (filename_c, NULL))
2442  {
2444  "Failed to create directory %s: %s\n",
2445  filename_c, _dbus_strerror_from_errno ());
2446  return FALSE;
2447  }
2448  else
2449  return TRUE;
2450 }
2451 
2462  DBusError *error)
2463 {
2464  const char *filename_c;
2465 
2466  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2467 
2468  filename_c = _dbus_string_get_const_data (filename);
2469 
2470  if (!CreateDirectoryA (filename_c, NULL))
2471  {
2472  if (GetLastError () == ERROR_ALREADY_EXISTS)
2473  return TRUE;
2474 
2476  "Failed to create directory %s: %s\n",
2477  filename_c, _dbus_strerror_from_errno ());
2478  return FALSE;
2479  }
2480  else
2481  return TRUE;
2482 }
2483 
2484 
2496  int n_bytes,
2497  DBusError *error)
2498 {
2499  int old_len;
2500  unsigned char *p;
2501  HCRYPTPROV hprov;
2502 
2503  old_len = _dbus_string_get_length (str);
2504 
2505  if (!_dbus_string_lengthen (str, n_bytes))
2506  {
2507  _DBUS_SET_OOM (error);
2508  return FALSE;
2509  }
2510 
2511  p = _dbus_string_get_udata_len (str, old_len, n_bytes);
2512 
2513  if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2514  {
2515  _DBUS_SET_OOM (error);
2516  return FALSE;
2517  }
2518 
2519  if (!CryptGenRandom (hprov, n_bytes, p))
2520  {
2521  _DBUS_SET_OOM (error);
2522  CryptReleaseContext (hprov, 0);
2523  return FALSE;
2524  }
2525 
2526  CryptReleaseContext (hprov, 0);
2527 
2528  return TRUE;
2529 }
2530 
2537 const char*
2539 {
2540  /* Protected by _DBUS_LOCK_sysdeps */
2541  static const char* tmpdir = NULL;
2542  static char buf[1000];
2543 
2544  if (!_DBUS_LOCK (sysdeps))
2545  return NULL;
2546 
2547  if (tmpdir == NULL)
2548  {
2549  unsigned char *last_slash;
2550  unsigned char *p = (unsigned char *)buf;
2551 
2552  if (!GetTempPathA (sizeof (buf), buf))
2553  {
2554  _dbus_warn ("GetTempPath failed");
2555  _dbus_abort ();
2556  }
2557 
2558  /* Drop terminating backslash or slash */
2559  last_slash = _mbsrchr (p, '\\');
2560  if (last_slash > p && last_slash[1] == '\0')
2561  last_slash[0] = '\0';
2562  last_slash = _mbsrchr (p, '/');
2563  if (last_slash > p && last_slash[1] == '\0')
2564  last_slash[0] = '\0';
2565 
2566  tmpdir = buf;
2567  }
2568 
2569  _DBUS_UNLOCK (sysdeps);
2570 
2571  _dbus_assert(tmpdir != NULL);
2572 
2573  return tmpdir;
2574 }
2575 
2576 
2587  DBusError *error)
2588 {
2589  const char *filename_c;
2590 
2591  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2592 
2593  filename_c = _dbus_string_get_const_data (filename);
2594 
2595  if (DeleteFileA (filename_c) == 0)
2596  {
2598  "Failed to delete file %s: %s\n",
2599  filename_c, _dbus_strerror_from_errno ());
2600  return FALSE;
2601  }
2602  else
2603  return TRUE;
2604 }
2605 
2606 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2607 
2608 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2609 # ifdef BACKTRACES
2610 # undef BACKTRACES
2611 # endif
2612 #else
2613 # define BACKTRACES
2614 #endif
2615 
2616 #ifdef BACKTRACES
2617 /*
2618  * Backtrace Generator
2619  *
2620  * Copyright 2004 Eric Poech
2621  * Copyright 2004 Robert Shearman
2622  *
2623  * This library is free software; you can redistribute it and/or
2624  * modify it under the terms of the GNU Lesser General Public
2625  * License as published by the Free Software Foundation; either
2626  * version 2.1 of the License, or (at your option) any later version.
2627  *
2628  * This library is distributed in the hope that it will be useful,
2629  * but WITHOUT ANY WARRANTY; without even the implied warranty of
2630  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2631  * Lesser General Public License for more details.
2632  *
2633  * You should have received a copy of the GNU Lesser General Public
2634  * License along with this library; if not, write to the Free Software
2635  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2636  */
2637 
2638 #include <winver.h>
2639 #include <imagehlp.h>
2640 #include <stdio.h>
2641 
2642 #define DPRINTF(fmt, ...) fprintf (stderr, fmt, ##__VA_ARGS__)
2643 
2644 #ifdef _MSC_VER
2645 #define BOOL int
2646 
2647 #define __i386__
2648 #endif
2649 
2650 static void dump_backtrace_for_thread (HANDLE hThread)
2651 {
2652  ADDRESS old_address;
2653  STACKFRAME sf;
2654  CONTEXT context;
2655  DWORD dwImageType;
2656  int i = 0;
2657 
2658  SymSetOptions (SYMOPT_UNDNAME | SYMOPT_LOAD_LINES);
2659  SymInitialize (GetCurrentProcess (), NULL, TRUE);
2660 
2661 
2662  /* can't use this function for current thread as GetThreadContext
2663  * doesn't support getting context from current thread */
2664  if (hThread == GetCurrentThread())
2665  return;
2666 
2667  DPRINTF ("Backtrace:\n");
2668 
2669  _DBUS_ZERO (old_address);
2670  _DBUS_ZERO (context);
2671  context.ContextFlags = CONTEXT_FULL;
2672 
2673  SuspendThread (hThread);
2674 
2675  if (!GetThreadContext (hThread, &context))
2676  {
2677  DPRINTF ("Couldn't get thread context (error %ld)\n", GetLastError ());
2678  ResumeThread (hThread);
2679  return;
2680  }
2681 
2682  _DBUS_ZERO (sf);
2683 
2684 #ifdef __i386__
2685  dwImageType = IMAGE_FILE_MACHINE_I386;
2686  sf.AddrFrame.Offset = context.Ebp;
2687  sf.AddrFrame.Mode = AddrModeFlat;
2688  sf.AddrPC.Offset = context.Eip;
2689  sf.AddrPC.Mode = AddrModeFlat;
2690 #elif defined(_M_X64)
2691  dwImageType = IMAGE_FILE_MACHINE_AMD64;
2692  sf.AddrPC.Offset = context.Rip;
2693  sf.AddrPC.Mode = AddrModeFlat;
2694  sf.AddrFrame.Offset = context.Rsp;
2695  sf.AddrFrame.Mode = AddrModeFlat;
2696  sf.AddrStack.Offset = context.Rsp;
2697  sf.AddrStack.Mode = AddrModeFlat;
2698 #elif defined(_M_IA64)
2699  dwImageType = IMAGE_FILE_MACHINE_IA64;
2700  sf.AddrPC.Offset = context.StIIP;
2701  sf.AddrPC.Mode = AddrModeFlat;
2702  sf.AddrFrame.Offset = context.IntSp;
2703  sf.AddrFrame.Mode = AddrModeFlat;
2704  sf.AddrBStore.Offset= context.RsBSP;
2705  sf.AddrBStore.Mode = AddrModeFlat;
2706  sf.AddrStack.Offset = context.IntSp;
2707  sf.AddrStack.Mode = AddrModeFlat;
2708 #else
2709 # error You need to fill in the STACKFRAME structure for your architecture
2710 #endif
2711 
2712  /*
2713  backtrace format
2714  <level> <address> <symbol>[+offset] [ '[' <file> ':' <line> ']' ] [ 'in' <module> ]
2715  example:
2716  6 0xf75ade6b wine_switch_to_stack+0x2a [/usr/src/debug/wine-snapshot/libs/wine/port.c:59] in libwine.so.1
2717  */
2718  while (StackWalk (dwImageType, GetCurrentProcess (),
2719  hThread, &sf, &context, NULL, SymFunctionTableAccess,
2720  SymGetModuleBase, NULL))
2721  {
2722  char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(char)];
2723  PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
2724  DWORD64 displacement;
2725  IMAGEHLP_LINE line;
2726  DWORD dwDisplacement;
2727  IMAGEHLP_MODULE moduleInfo;
2728 
2729  /*
2730  on Wine64 version 1.7.54, we get an infinite number of stack entries
2731  pointing to the same stack frame (_start+0x29 in <wine-loader>)
2732  see bug https://bugs.winehq.org/show_bug.cgi?id=39606
2733  */
2734 #ifndef __i386__
2735  if (old_address.Offset == sf.AddrPC.Offset)
2736  {
2737  break;
2738  }
2739 #endif
2740 
2741  pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
2742  pSymbol->MaxNameLen = MAX_SYM_NAME;
2743 
2744  if (SymFromAddr (GetCurrentProcess (), sf.AddrPC.Offset, &displacement, pSymbol))
2745  {
2746  if (displacement)
2747  DPRINTF ("%3d %s+0x%I64x", i++, pSymbol->Name, displacement);
2748  else
2749  DPRINTF ("%3d %s", i++, pSymbol->Name);
2750  }
2751  else
2752  DPRINTF ("%3d 0x%Ix", i++, sf.AddrPC.Offset);
2753 
2754  line.SizeOfStruct = sizeof(IMAGEHLP_LINE);
2755  if (SymGetLineFromAddr (GetCurrentProcess (), sf.AddrPC.Offset, &dwDisplacement, &line))
2756  {
2757  DPRINTF (" [%s:%ld]", line.FileName, line.LineNumber);
2758  }
2759 
2760  moduleInfo.SizeOfStruct = sizeof(moduleInfo);
2761  if (SymGetModuleInfo (GetCurrentProcess (), sf.AddrPC.Offset, &moduleInfo))
2762  {
2763  DPRINTF (" in %s", moduleInfo.ModuleName);
2764  }
2765  DPRINTF ("\n");
2766  old_address = sf.AddrPC;
2767  }
2768  ResumeThread (hThread);
2769 }
2770 
2771 static DWORD WINAPI dump_thread_proc (LPVOID lpParameter)
2772 {
2773  dump_backtrace_for_thread ((HANDLE) lpParameter);
2774  return 0;
2775 }
2776 
2777 /* cannot get valid context from current thread, so we have to execute
2778  * backtrace from another thread */
2779 static void
2780 dump_backtrace (void)
2781 {
2782  HANDLE hCurrentThread;
2783  HANDLE hThread;
2784  DWORD dwThreadId;
2785  DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
2786  GetCurrentProcess (), &hCurrentThread,
2787  0, FALSE, DUPLICATE_SAME_ACCESS);
2788  hThread = CreateThread (NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2789  0, &dwThreadId);
2790  WaitForSingleObject (hThread, INFINITE);
2791  CloseHandle (hThread);
2792  CloseHandle (hCurrentThread);
2793 }
2794 #endif
2795 #endif /* asserts or tests enabled */
2796 
2797 #ifdef BACKTRACES
2799 {
2800  dump_backtrace ();
2801 }
2802 #else
2803 void _dbus_print_backtrace (void)
2804 {
2805  _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2806 }
2807 #endif
2808 
2809 static dbus_uint32_t fromAscii(char ascii)
2810 {
2811  if(ascii >= '0' && ascii <= '9')
2812  return ascii - '0';
2813  if(ascii >= 'A' && ascii <= 'F')
2814  return ascii - 'A' + 10;
2815  if(ascii >= 'a' && ascii <= 'f')
2816  return ascii - 'a' + 10;
2817  return 0;
2818 }
2819 
2821  dbus_bool_t create_if_not_found,
2822  DBusError *error)
2823 {
2824 #ifdef DBUS_WINCE
2825  return TRUE;
2826  // TODO
2827 #else
2828  HW_PROFILE_INFOA info;
2829  char *lpc = &info.szHwProfileGuid[0];
2830  dbus_uint32_t u;
2831 
2832  // the hw-profile guid lives long enough
2833  if(!GetCurrentHwProfileA(&info))
2834  {
2835  dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2836  return FALSE;
2837  }
2838 
2839  // Form: {12340001-4980-1920-6788-123456789012}
2840  lpc++;
2841  // 12340001
2842  u = ((fromAscii(lpc[0]) << 0) |
2843  (fromAscii(lpc[1]) << 4) |
2844  (fromAscii(lpc[2]) << 8) |
2845  (fromAscii(lpc[3]) << 12) |
2846  (fromAscii(lpc[4]) << 16) |
2847  (fromAscii(lpc[5]) << 20) |
2848  (fromAscii(lpc[6]) << 24) |
2849  (fromAscii(lpc[7]) << 28));
2850  machine_id->as_uint32s[0] = u;
2851 
2852  lpc += 9;
2853  // 4980-1920
2854  u = ((fromAscii(lpc[0]) << 0) |
2855  (fromAscii(lpc[1]) << 4) |
2856  (fromAscii(lpc[2]) << 8) |
2857  (fromAscii(lpc[3]) << 12) |
2858  (fromAscii(lpc[5]) << 16) |
2859  (fromAscii(lpc[6]) << 20) |
2860  (fromAscii(lpc[7]) << 24) |
2861  (fromAscii(lpc[8]) << 28));
2862  machine_id->as_uint32s[1] = u;
2863 
2864  lpc += 10;
2865  // 6788-1234
2866  u = ((fromAscii(lpc[0]) << 0) |
2867  (fromAscii(lpc[1]) << 4) |
2868  (fromAscii(lpc[2]) << 8) |
2869  (fromAscii(lpc[3]) << 12) |
2870  (fromAscii(lpc[5]) << 16) |
2871  (fromAscii(lpc[6]) << 20) |
2872  (fromAscii(lpc[7]) << 24) |
2873  (fromAscii(lpc[8]) << 28));
2874  machine_id->as_uint32s[2] = u;
2875 
2876  lpc += 9;
2877  // 56789012
2878  u = ((fromAscii(lpc[0]) << 0) |
2879  (fromAscii(lpc[1]) << 4) |
2880  (fromAscii(lpc[2]) << 8) |
2881  (fromAscii(lpc[3]) << 12) |
2882  (fromAscii(lpc[4]) << 16) |
2883  (fromAscii(lpc[5]) << 20) |
2884  (fromAscii(lpc[6]) << 24) |
2885  (fromAscii(lpc[7]) << 28));
2886  machine_id->as_uint32s[3] = u;
2887 #endif
2888  return TRUE;
2889 }
2890 
2891 static
2892 HANDLE _dbus_global_lock (const char *mutexname)
2893 {
2894  HANDLE mutex;
2895  DWORD gotMutex;
2896 
2897  mutex = CreateMutexA( NULL, FALSE, mutexname );
2898  if( !mutex )
2899  {
2900  return FALSE;
2901  }
2902 
2903  gotMutex = WaitForSingleObject( mutex, INFINITE );
2904  switch( gotMutex )
2905  {
2906  case WAIT_ABANDONED:
2907  ReleaseMutex (mutex);
2908  CloseHandle (mutex);
2909  return 0;
2910  case WAIT_FAILED:
2911  case WAIT_TIMEOUT:
2912  return 0;
2913  default:
2914  return mutex;
2915  }
2916 }
2917 
2918 static
2919 void _dbus_global_unlock (HANDLE mutex)
2920 {
2921  ReleaseMutex (mutex);
2922  CloseHandle (mutex);
2923 }
2924 
2925 // for proper cleanup in dbus-daemon
2926 static HANDLE hDBusDaemonMutex = NULL;
2927 static HANDLE hDBusSharedMem = NULL;
2928 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2929 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2930 // sync _dbus_get_autolaunch_address
2931 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2932 // mutex to determine if dbus-daemon is already started (per user)
2933 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2934 // named shm for dbus adress info (per user)
2935 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2936 
2937 static dbus_bool_t
2938 _dbus_get_install_root_as_hash(DBusString *out)
2939 {
2940  DBusString install_path;
2941 
2942  _dbus_string_init(&install_path);
2943 
2944  if (!_dbus_get_install_root (&install_path) ||
2945  _dbus_string_get_length (&install_path) == 0)
2946  return FALSE;
2947 
2948  _dbus_string_init(out);
2949  _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2950 
2951  if (!_dbus_sha_compute (&install_path, out))
2952  return FALSE;
2953 
2954  return TRUE;
2955 }
2956 
2957 static dbus_bool_t
2958 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2959 {
2960  _dbus_string_init(out);
2961  _dbus_string_append(out,basestring);
2962 
2963  if (!scope)
2964  {
2965  return TRUE;
2966  }
2967  else if (strcmp(scope,"*install-path") == 0
2968  // for 1.3 compatibility
2969  || strcmp(scope,"install-path") == 0)
2970  {
2971  DBusString temp;
2972  if (!_dbus_get_install_root_as_hash(&temp))
2973  {
2974  _dbus_string_free(out);
2975  return FALSE;
2976  }
2977  _dbus_string_append(out,"-");
2978  _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2979  _dbus_string_free(&temp);
2980  }
2981  else if (strcmp(scope,"*user") == 0)
2982  {
2983  _dbus_string_append(out,"-");
2985  {
2986  _dbus_string_free(out);
2987  return FALSE;
2988  }
2989  }
2990  else if (strlen(scope) > 0)
2991  {
2992  _dbus_string_append(out,"-");
2993  _dbus_string_append(out,scope);
2994  return TRUE;
2995  }
2996  return TRUE;
2997 }
2998 
2999 static dbus_bool_t
3000 _dbus_get_shm_name (DBusString *out,const char *scope)
3001 {
3002  return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
3003 }
3004 
3005 static dbus_bool_t
3006 _dbus_get_mutex_name (DBusString *out,const char *scope)
3007 {
3008  return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
3009 }
3010 
3012 _dbus_daemon_is_session_bus_address_published (const char *scope)
3013 {
3014  HANDLE lock;
3015  DBusString mutex_name;
3016 
3017  if (!_dbus_get_mutex_name(&mutex_name,scope))
3018  {
3019  _dbus_string_free( &mutex_name );
3020  return FALSE;
3021  }
3022 
3023  if (hDBusDaemonMutex)
3024  return TRUE;
3025 
3026  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3027  lock = _dbus_global_lock( cUniqueDBusInitMutex );
3028 
3029  // we use CreateMutex instead of OpenMutex because of possible race conditions,
3030  // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
3031  hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3032 
3033  /* The client uses mutex ownership to detect a running server, so the server should do so too.
3034  Fortunally the client deletes the mutex in the lock protected area, so checking presence
3035  will work too. */
3036 
3037  _dbus_global_unlock( lock );
3038 
3039  _dbus_string_free( &mutex_name );
3040 
3041  if (hDBusDaemonMutex == NULL)
3042  return FALSE;
3043  if (GetLastError() == ERROR_ALREADY_EXISTS)
3044  {
3045  CloseHandle(hDBusDaemonMutex);
3046  hDBusDaemonMutex = NULL;
3047  return TRUE;
3048  }
3049  // mutex wasn't created before, so return false.
3050  // We leave the mutex name allocated for later reusage
3051  // in _dbus_daemon_publish_session_bus_address.
3052  return FALSE;
3053 }
3054 
3056 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
3057 {
3058  HANDLE lock;
3059  char *shared_addr = NULL;
3060  DBusString shm_name;
3061  DBusString mutex_name;
3062  dbus_uint64_t len;
3063 
3064  _dbus_assert (address);
3065 
3066  if (!_dbus_get_mutex_name(&mutex_name,scope))
3067  {
3068  _dbus_string_free( &mutex_name );
3069  return FALSE;
3070  }
3071 
3072  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3073  lock = _dbus_global_lock( cUniqueDBusInitMutex );
3074 
3075  if (!hDBusDaemonMutex)
3076  {
3077  hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3078  }
3079  _dbus_string_free( &mutex_name );
3080 
3081  // acquire the mutex
3082  if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
3083  {
3084  _dbus_global_unlock( lock );
3085  CloseHandle( hDBusDaemonMutex );
3086  return FALSE;
3087  }
3088 
3089  if (!_dbus_get_shm_name(&shm_name,scope))
3090  {
3091  _dbus_string_free( &shm_name );
3092  _dbus_global_unlock( lock );
3093  return FALSE;
3094  }
3095 
3096  // create shm
3097  len = strlen (address) + 1;
3098 
3099  hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
3100  len >> 32, len & 0xffffffffu,
3101  _dbus_string_get_const_data(&shm_name) );
3102  _dbus_assert( hDBusSharedMem );
3103 
3104  shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
3105 
3106  _dbus_assert (shared_addr);
3107 
3108  strcpy( shared_addr, address);
3109 
3110  // cleanup
3111  UnmapViewOfFile( shared_addr );
3112 
3113  _dbus_global_unlock( lock );
3114  _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
3115 
3116  _dbus_string_free( &shm_name );
3117  return TRUE;
3118 }
3119 
3120 void
3121 _dbus_daemon_unpublish_session_bus_address (void)
3122 {
3123  HANDLE lock;
3124 
3125  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3126  lock = _dbus_global_lock( cUniqueDBusInitMutex );
3127 
3128  CloseHandle( hDBusSharedMem );
3129 
3130  hDBusSharedMem = NULL;
3131 
3132  ReleaseMutex( hDBusDaemonMutex );
3133 
3134  CloseHandle( hDBusDaemonMutex );
3135 
3136  hDBusDaemonMutex = NULL;
3137 
3138  _dbus_global_unlock( lock );
3139 }
3140 
3141 static dbus_bool_t
3142 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
3143 {
3144  HANDLE sharedMem;
3145  char *shared_addr;
3146  int i;
3147 
3148  // read shm
3149  for(i=0;i<20;++i) {
3150  // we know that dbus-daemon is available, so we wait until shm is available
3151  sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
3152  if( sharedMem == 0 )
3153  Sleep( 100 );
3154  if ( sharedMem != 0)
3155  break;
3156  }
3157 
3158  if( sharedMem == 0 )
3159  return FALSE;
3160 
3161  shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3162 
3163  if( !shared_addr )
3164  return FALSE;
3165 
3166  _dbus_string_init( address );
3167 
3168  _dbus_string_append( address, shared_addr );
3169 
3170  // cleanup
3171  UnmapViewOfFile( shared_addr );
3172 
3173  CloseHandle( sharedMem );
3174 
3175  return TRUE;
3176 }
3177 
3178 static dbus_bool_t
3179 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3180 {
3181  HANDLE lock;
3182  HANDLE daemon;
3183  DBusString mutex_name;
3184  dbus_bool_t bRet = TRUE;
3185 
3186  if (!_dbus_get_mutex_name(&mutex_name,scope))
3187  {
3188  _dbus_string_free( &mutex_name );
3189  return FALSE;
3190  }
3191 
3192  // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3193  lock = _dbus_global_lock( cUniqueDBusInitMutex );
3194 
3195  // do checks
3196  daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3197  if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3198  {
3199  ReleaseMutex (daemon);
3200  CloseHandle (daemon);
3201 
3202  _dbus_global_unlock( lock );
3203  _dbus_string_free( &mutex_name );
3204  return FALSE;
3205  }
3206 
3207  // read shm
3208  bRet = _dbus_get_autolaunch_shm( address, shm_name );
3209 
3210  // cleanup
3211  CloseHandle ( daemon );
3212 
3213  _dbus_global_unlock( lock );
3214  _dbus_string_free( &mutex_name );
3215 
3216  return bRet;
3217 }
3218 
3220 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3221  DBusError *error)
3222 {
3223  HANDLE mutex;
3224  STARTUPINFOA si;
3225  PROCESS_INFORMATION pi;
3226  dbus_bool_t retval = FALSE;
3227  LPSTR lpFile;
3228  char dbus_exe_path[MAX_PATH];
3229  char dbus_args[MAX_PATH * 2];
3230  const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3231  DBusString shm_name;
3232 
3233  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3234 
3235  if (!_dbus_get_shm_name(&shm_name,scope))
3236  {
3237  dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3238  return FALSE;
3239  }
3240 
3241  mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3242 
3243  if (_dbus_daemon_already_runs(address,&shm_name,scope))
3244  {
3245  _dbus_verbose( "found running dbus daemon for scope '%s' at %s\n",
3246  scope ? scope : "", _dbus_string_get_const_data (&shm_name) );
3247  retval = TRUE;
3248  goto out;
3249  }
3250 
3251  if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3252  {
3253  // Look in directory containing dbus shared library
3254  HMODULE hmod;
3255  char dbus_module_path[MAX_PATH];
3256  DWORD rc;
3257 
3258  _dbus_verbose ("did not found dbus daemon executable on default search path, "
3259  "trying path where dbus shared library is located");
3260 
3261  hmod = _dbus_win_get_dll_hmodule ();
3262  rc = GetModuleFileNameA (hmod, dbus_module_path, sizeof(dbus_module_path));
3263  if (rc <= 0)
3264  {
3265  dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3266  retval = FALSE;
3267  goto out;
3268  }
3269  else
3270  {
3271  char *ext_idx = strrchr (dbus_module_path, '\\');
3272  if (ext_idx)
3273  *ext_idx = '\0';
3274  if (!SearchPathA (dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3275  {
3277  "Could not find dbus-daemon executable. "
3278  "Please add the path to %s to your PATH "
3279  "environment variable or start the daemon manually",
3280  daemon_name);
3281  retval = FALSE;
3282  goto out;
3283  }
3284  _dbus_verbose ("found dbus daemon executable at %s", dbus_module_path);
3285  }
3286  }
3287 
3288 
3289  // Create process
3290  ZeroMemory( &si, sizeof(si) );
3291  si.cb = sizeof(si);
3292  ZeroMemory( &pi, sizeof(pi) );
3293 
3294  _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3295 
3296 // argv[i] = "--config-file=bus\\session.conf";
3297  if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3298  {
3299  CloseHandle (pi.hThread);
3300  CloseHandle (pi.hProcess);
3301  retval = _dbus_get_autolaunch_shm( address, &shm_name );
3302  if (retval == FALSE)
3303  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3304  }
3305  else
3306  {
3307  dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3308  retval = FALSE;
3309  }
3310 
3311 out:
3312  _DBUS_ASSERT_ERROR_XOR_BOOL (error, retval);
3313  _dbus_global_unlock (mutex);
3314  _dbus_string_free (&shm_name);
3315 
3316  return retval;
3317  }
3318 
3319 
3328  DBusError *error)
3329 {
3330  // TODO
3331  return TRUE;
3332 }
3333 
3341 dbus_int32_t
3343 {
3344  // +/- 1 is needed here!
3345  // no volatile argument with mingw
3346  return InterlockedIncrement (&atomic->value) - 1;
3347 }
3348 
3356 dbus_int32_t
3358 {
3359  // +/- 1 is needed here!
3360  // no volatile argument with mingw
3361  return InterlockedDecrement (&atomic->value) + 1;
3362 }
3363 
3371 dbus_int32_t
3373 {
3374  /* In this situation, GLib issues a MemoryBarrier() and then returns
3375  * atomic->value. However, mingw from mingw.org (not to be confused with
3376  * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3377  * headers, so we have to get a memory barrier some other way.
3378  *
3379  * InterlockedIncrement is older, and is documented on MSDN to be a full
3380  * memory barrier, so let's use that.
3381  */
3382  long dummy = 0;
3383 
3384  InterlockedExchange (&dummy, 1);
3385 
3386  return atomic->value;
3387 }
3388 
3394 void
3396 {
3397  InterlockedExchange (&atomic->value, 0);
3398 }
3399 
3405 void
3407 {
3408  InterlockedExchange (&atomic->value, 1);
3409 }
3410 
3418 void
3420 {
3421 }
3422 
3431 {
3432  return e == WSAEWOULDBLOCK;
3433 }
3434 
3443 _dbus_get_install_root (DBusString *str)
3444 {
3445  /* this is just an initial guess */
3446  DWORD pathLength = MAX_PATH;
3447  unsigned char *lastSlash;
3448  unsigned char *prefix;
3449 
3450  do
3451  {
3452  /* allocate enough space for our best guess at the length */
3453  if (!_dbus_string_set_length (str, pathLength))
3454  {
3455  _dbus_string_set_length (str, 0);
3456  return FALSE;
3457  }
3458 
3459  SetLastError (0);
3460  pathLength = GetModuleFileNameA (_dbus_win_get_dll_hmodule (),
3461  _dbus_string_get_data (str), _dbus_string_get_length (str));
3462 
3463  if (pathLength == 0 || GetLastError () != 0)
3464  {
3465  /* failed, but not OOM */
3466  _dbus_string_set_length (str, 0);
3467  return TRUE;
3468  }
3469 
3470  /* if the return is strictly less than the buffer size, it has
3471  * not been truncated, so we can continue */
3472  if (pathLength < (DWORD) _dbus_string_get_length (str))
3473  {
3474  /* reduce the length to match what Windows filled in */
3475  if (!_dbus_string_set_length (str, pathLength))
3476  {
3477  _dbus_string_set_length (str, 0);
3478  return FALSE;
3479  }
3480 
3481  break;
3482  }
3483 
3484  /* else it may have been truncated; try with a larger buffer */
3485  pathLength *= 2;
3486  }
3487  while (TRUE);
3488 
3489  /* the rest of this function works by direct byte manipulation of the
3490  * underlying buffer */
3491  prefix = _dbus_string_get_udata (str);
3492 
3493  lastSlash = _mbsrchr (prefix, '\\');
3494  if (lastSlash == NULL) {
3495  /* failed, but not OOM */
3496  _dbus_string_set_length (str, 0);
3497  return TRUE;
3498  }
3499  //cut off binary name
3500  lastSlash[1] = 0;
3501 
3502  //cut possible "\\bin"
3503  //this fails if we are in a double-byte system codepage and the
3504  //folder's name happens to end with the *bytes*
3505  //"\\bin"... (I.e. the second byte of some Han character and then
3506  //the Latin "bin", but that is not likely I think...
3507  if (lastSlash - prefix >= 4 && _mbsnicmp (lastSlash - 4, (const unsigned char *)"\\bin", 4) == 0)
3508  lastSlash[-3] = 0;
3509  else if (lastSlash - prefix >= 10 && _mbsnicmp (lastSlash - 10, (const unsigned char *)"\\bin\\debug", 10) == 0)
3510  lastSlash[-9] = 0;
3511  else if (lastSlash - prefix >= 12 && _mbsnicmp (lastSlash - 12, (const unsigned char *)"\\bin\\release", 12) == 0)
3512  lastSlash[-11] = 0;
3513 
3514  /* fix up the length to match the byte-manipulation */
3515  _dbus_string_set_length (str, strlen ((char *) prefix));
3516 
3517  return TRUE;
3518 }
3519 
3520 /* See comment in dbus-sysdeps-unix.c */
3523  DBusString *address,
3524  DBusError *error)
3525 {
3526  /* Probably fill this in with something based on COM? */
3527  *supported = FALSE;
3528  return TRUE;
3529 }
3530 
3546  DBusCredentials *credentials)
3547 {
3548  DBusString homedir;
3549  DBusString dotdir;
3550  const char *homepath;
3551  const char *homedrive;
3552 
3553  _dbus_assert (credentials != NULL);
3555 
3556  if (!_dbus_string_init (&homedir))
3557  return FALSE;
3558 
3559  homedrive = _dbus_getenv("HOMEDRIVE");
3560  if (homedrive != NULL && *homedrive != '\0')
3561  {
3562  _dbus_string_append(&homedir,homedrive);
3563  }
3564 
3565  homepath = _dbus_getenv("HOMEPATH");
3566  if (homepath != NULL && *homepath != '\0')
3567  {
3568  _dbus_string_append(&homedir,homepath);
3569  }
3570 
3571 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3572  {
3573  const char *override;
3574 
3575  override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3576  if (override != NULL && *override != '\0')
3577  {
3578  _dbus_string_set_length (&homedir, 0);
3579  if (!_dbus_string_append (&homedir, override))
3580  goto failed;
3581 
3582  _dbus_verbose ("Using fake homedir for testing: %s\n",
3583  _dbus_string_get_const_data (&homedir));
3584  }
3585  else
3586  {
3587  /* Not strictly thread-safe, but if we fail at thread-safety here,
3588  * the worst that will happen is some extra warnings. */
3589  static dbus_bool_t already_warned = FALSE;
3590  if (!already_warned)
3591  {
3592  _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid");
3593  already_warned = TRUE;
3594  }
3595  }
3596  }
3597 #endif
3598 
3599 #ifdef DBUS_WINCE
3600  /* It's not possible to create a .something directory in Windows CE
3601  using the file explorer. */
3602 #define KEYRING_DIR "dbus-keyrings"
3603 #else
3604 #define KEYRING_DIR ".dbus-keyrings"
3605 #endif
3606 
3607  _dbus_string_init_const (&dotdir, KEYRING_DIR);
3608  if (!_dbus_concat_dir_and_file (&homedir,
3609  &dotdir))
3610  goto failed;
3611 
3612  if (!_dbus_string_copy (&homedir, 0,
3613  directory, _dbus_string_get_length (directory))) {
3614  goto failed;
3615  }
3616 
3617  _dbus_string_free (&homedir);
3618  return TRUE;
3619 
3620  failed:
3621  _dbus_string_free (&homedir);
3622  return FALSE;
3623 }
3624 
3630 dbus_bool_t
3631 _dbus_file_exists (const char *file)
3632 {
3633  DWORD attributes = GetFileAttributesA (file);
3634 
3635  if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3636  return TRUE;
3637  else
3638  return FALSE;
3639 }
3640 
3648 const char*
3649 _dbus_strerror (int error_number)
3650 {
3651 #ifdef DBUS_WINCE
3652  // TODO
3653  return "unknown";
3654 #else
3655  const char *msg;
3656 
3657  switch (error_number)
3658  {
3659  case WSAEINTR:
3660  return "Interrupted function call";
3661  case WSAEACCES:
3662  return "Permission denied";
3663  case WSAEFAULT:
3664  return "Bad address";
3665  case WSAEINVAL:
3666  return "Invalid argument";
3667  case WSAEMFILE:
3668  return "Too many open files";
3669  case WSAEWOULDBLOCK:
3670  return "Resource temporarily unavailable";
3671  case WSAEINPROGRESS:
3672  return "Operation now in progress";
3673  case WSAEALREADY:
3674  return "Operation already in progress";
3675  case WSAENOTSOCK:
3676  return "Socket operation on nonsocket";
3677  case WSAEDESTADDRREQ:
3678  return "Destination address required";
3679  case WSAEMSGSIZE:
3680  return "Message too long";
3681  case WSAEPROTOTYPE:
3682  return "Protocol wrong type for socket";
3683  case WSAENOPROTOOPT:
3684  return "Bad protocol option";
3685  case WSAEPROTONOSUPPORT:
3686  return "Protocol not supported";
3687  case WSAESOCKTNOSUPPORT:
3688  return "Socket type not supported";
3689  case WSAEOPNOTSUPP:
3690  return "Operation not supported";
3691  case WSAEPFNOSUPPORT:
3692  return "Protocol family not supported";
3693  case WSAEAFNOSUPPORT:
3694  return "Address family not supported by protocol family";
3695  case WSAEADDRINUSE:
3696  return "Address already in use";
3697  case WSAEADDRNOTAVAIL:
3698  return "Cannot assign requested address";
3699  case WSAENETDOWN:
3700  return "Network is down";
3701  case WSAENETUNREACH:
3702  return "Network is unreachable";
3703  case WSAENETRESET:
3704  return "Network dropped connection on reset";
3705  case WSAECONNABORTED:
3706  return "Software caused connection abort";
3707  case WSAECONNRESET:
3708  return "Connection reset by peer";
3709  case WSAENOBUFS:
3710  return "No buffer space available";
3711  case WSAEISCONN:
3712  return "Socket is already connected";
3713  case WSAENOTCONN:
3714  return "Socket is not connected";
3715  case WSAESHUTDOWN:
3716  return "Cannot send after socket shutdown";
3717  case WSAETIMEDOUT:
3718  return "Connection timed out";
3719  case WSAECONNREFUSED:
3720  return "Connection refused";
3721  case WSAEHOSTDOWN:
3722  return "Host is down";
3723  case WSAEHOSTUNREACH:
3724  return "No route to host";
3725  case WSAEPROCLIM:
3726  return "Too many processes";
3727  case WSAEDISCON:
3728  return "Graceful shutdown in progress";
3729  case WSATYPE_NOT_FOUND:
3730  return "Class type not found";
3731  case WSAHOST_NOT_FOUND:
3732  return "Host not found";
3733  case WSATRY_AGAIN:
3734  return "Nonauthoritative host not found";
3735  case WSANO_RECOVERY:
3736  return "This is a nonrecoverable error";
3737  case WSANO_DATA:
3738  return "Valid name, no data record of requested type";
3739  case WSA_INVALID_HANDLE:
3740  return "Specified event object handle is invalid";
3741  case WSA_INVALID_PARAMETER:
3742  return "One or more parameters are invalid";
3743  case WSA_IO_INCOMPLETE:
3744  return "Overlapped I/O event object not in signaled state";
3745  case WSA_IO_PENDING:
3746  return "Overlapped operations will complete later";
3747  case WSA_NOT_ENOUGH_MEMORY:
3748  return "Insufficient memory available";
3749  case WSA_OPERATION_ABORTED:
3750  return "Overlapped operation aborted";
3751 #ifdef WSAINVALIDPROCTABLE
3752 
3753  case WSAINVALIDPROCTABLE:
3754  return "Invalid procedure table from service provider";
3755 #endif
3756 #ifdef WSAINVALIDPROVIDER
3757 
3758  case WSAINVALIDPROVIDER:
3759  return "Invalid service provider version number";
3760 #endif
3761 #ifdef WSAPROVIDERFAILEDINIT
3762 
3763  case WSAPROVIDERFAILEDINIT:
3764  return "Unable to initialize a service provider";
3765 #endif
3766 
3767  case WSASYSCALLFAILURE:
3768  return "System call failure";
3769 
3770  default:
3771  msg = strerror (error_number);
3772 
3773  if (msg == NULL)
3774  msg = "unknown";
3775 
3776  return msg;
3777  }
3778 #endif //DBUS_WINCE
3779 }
3780 
3788 void
3789 _dbus_win_set_error_from_win_error (DBusError *error,
3790  int code)
3791 {
3792  char *msg;
3793 
3794  /* As we want the English message, use the A API */
3795  FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3796  FORMAT_MESSAGE_IGNORE_INSERTS |
3797  FORMAT_MESSAGE_FROM_SYSTEM,
3798  NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3799  (LPSTR) &msg, 0, NULL);
3800  if (msg)
3801  {
3802  dbus_set_error (error, "win32.error", "%s", msg);
3803  LocalFree (msg);
3804  }
3805  else
3806  dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3807 }
3808 
3809 void
3810 _dbus_win_warn_win_error (const char *message,
3811  unsigned long code)
3812 {
3813  DBusError error;
3814 
3815  dbus_error_init (&error);
3816  _dbus_win_set_error_from_win_error (&error, code);
3817  _dbus_warn ("%s: %s", message, error.message);
3818  dbus_error_free (&error);
3819 }
3820 
3830  DBusError *error)
3831 {
3832  const char *filename_c;
3833 
3834  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3835 
3836  filename_c = _dbus_string_get_const_data (filename);
3837 
3838  if (RemoveDirectoryA (filename_c) == 0)
3839  {
3840  char *emsg = _dbus_win_error_string (GetLastError ());
3841  dbus_set_error (error, _dbus_win_error_from_last_error (),
3842  "Failed to remove directory %s: %s",
3843  filename_c, emsg);
3844  _dbus_win_free_error_string (emsg);
3845  return FALSE;
3846  }
3847 
3848  return TRUE;
3849 }
3850 
3859 {
3860  if (_dbus_string_get_length (filename) > 0)
3861  return _dbus_string_get_byte (filename, 1) == ':'
3862  || _dbus_string_get_byte (filename, 0) == '\\'
3863  || _dbus_string_get_byte (filename, 0) == '/';
3864  else
3865  return FALSE;
3866 }
3867 
3870 {
3871  return FALSE;
3872 }
3873 
3874 int
3875 _dbus_save_socket_errno (void)
3876 {
3877  return errno;
3878 }
3879 
3880 void
3881 _dbus_restore_socket_errno (int saved_errno)
3882 {
3883  _dbus_win_set_errno (saved_errno);
3884 }
3885 
3886 static const char *log_tag = "dbus";
3887 static DBusLogFlags log_flags = DBUS_LOG_FLAGS_STDERR;
3888 
3899 void
3900 _dbus_init_system_log (const char *tag,
3901  DBusLogFlags flags)
3902 {
3903  /* We never want to turn off logging completely */
3904  _dbus_assert (
3905  (flags & (DBUS_LOG_FLAGS_STDERR | DBUS_LOG_FLAGS_SYSTEM_LOG)) != 0);
3906 
3907  log_tag = tag;
3908  log_flags = flags;
3909 }
3910 
3918 void
3919 _dbus_logv (DBusSystemLogSeverity severity,
3920  const char *msg,
3921  va_list args)
3922 {
3923  const char *s = "";
3924  va_list tmp;
3925 
3926  switch(severity)
3927  {
3928  case DBUS_SYSTEM_LOG_INFO: s = "info"; break;
3929  case DBUS_SYSTEM_LOG_WARNING: s = "warning"; break;
3930  case DBUS_SYSTEM_LOG_SECURITY: s = "security"; break;
3931  case DBUS_SYSTEM_LOG_ERROR: s = "error"; break;
3932  default: _dbus_assert_not_reached ("invalid log severity");
3933  }
3934 
3935  if (log_flags & DBUS_LOG_FLAGS_SYSTEM_LOG)
3936  {
3937  DBusString out = _DBUS_STRING_INIT_INVALID;
3938  const char *message = NULL;
3939  DBUS_VA_COPY (tmp, args);
3940 
3941  if (!_dbus_string_init (&out))
3942  goto out;
3943  if (!_dbus_string_append_printf (&out, "%s: ", s))
3944  goto out;
3945  if (!_dbus_string_append_printf_valist (&out, msg, tmp))
3946  goto out;
3947  message = _dbus_string_get_const_data (&out);
3948 out:
3949  if (message != NULL)
3950  {
3951  OutputDebugStringA (message);
3952  }
3953  else
3954  {
3955  OutputDebugStringA ("Out of memory while formatting message: '''");
3956  OutputDebugStringA (msg);
3957  OutputDebugStringA ("'''");
3958  }
3959 
3960  va_end (tmp);
3961  _dbus_string_free (&out);
3962  }
3963 
3964  if (log_flags & DBUS_LOG_FLAGS_STDERR)
3965  {
3966  DBUS_VA_COPY (tmp, args);
3967  fprintf (stderr, "%s[%lu]: %s: ", log_tag, _dbus_pid_for_log (), s);
3968  vfprintf (stderr, msg, tmp);
3969  fprintf (stderr, "\n");
3970  va_end (tmp);
3971  }
3972 }
3973 
3974 /*
3975  * Return the low-level representation of a socket error, as used by
3976  * cross-platform socket APIs like inet_ntop(), send() and recv(). This
3977  * is the standard errno on Unix, but is WSAGetLastError() on Windows.
3978  *
3979  * Some libdbus internal functions copy this into errno, but with
3980  * hindsight that was probably a design flaw.
3981  */
3982 int
3983 _dbus_get_low_level_socket_errno (void)
3984 {
3985  return WSAGetLastError ();
3986 }
3987 
3989 /* tests in dbus-sysdeps-util.c */
_dbus_atomic_dec
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
Definition: dbus-sysdeps-win.c:3357
_dbus_create_directory
dbus_bool_t _dbus_create_directory(const DBusString *filename, DBusError *error)
Creates a directory.
Definition: dbus-sysdeps-win.c:2432
_dbus_getuid
dbus_uid_t _dbus_getuid(void)
Gets our Unix UID.
Definition: dbus-sysdeps-win.c:2342
dbus_realloc
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:604
_dbus_concat_dir_and_file
dbus_bool_t _dbus_concat_dir_and_file(DBusString *dir, const DBusString *next_component)
Appends the given filename to the given directory.
Definition: dbus-sysdeps-win.c:2210
_dbus_credentials_add_windows_sid
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
Definition: dbus-credentials.c:246
DBusAtomic::value
volatile dbus_int32_t value
Value of the atomic integer.
Definition: dbus-sysdeps.h:331
_dbus_verbose_bytes_of_string
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
Definition: dbus-marshal-basic.c:1421
DBusPollFD::revents
short revents
Events that occurred.
Definition: dbus-sysdeps.h:425
_dbus_accept
DBusSocket _dbus_accept(DBusSocket listen_fd)
Accepts a connection on a listening socket.
Definition: dbus-sysdeps-win.c:2039
_dbus_credentials_add_from_current_process
dbus_bool_t _dbus_credentials_add_from_current_process(DBusCredentials *credentials)
Adds the credentials of the current process to the passed-in credentials object.
Definition: dbus-sysdeps-win.c:2276
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init(), and fills it with the same contents as #_DBUS_STRING_I...
Definition: dbus-string.c:271
_dbus_atomic_set_nonzero
void _dbus_atomic_set_nonzero(DBusAtomic *atomic)
Atomically set the value of an integer to something nonzero.
Definition: dbus-sysdeps-win.c:3406
_dbus_get_autolaunch_address
dbus_bool_t _dbus_get_autolaunch_address(const char *scope, DBusString *address, DBusError *error)
Returns the address of a new session bus.
Definition: dbus-sysdeps-win.c:3220
_dbus_error_from_errno
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:599
_dbus_set_socket_nonblocking
dbus_bool_t _dbus_set_socket_nonblocking(DBusSocket handle, DBusError *error)
Sets a file descriptor to be nonblocking.
Definition: dbus-sysdeps-win.c:542
dbus_set_error_const
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_disable_sigpipe
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
Definition: dbus-sysdeps-win.c:2419
_dbus_flush_caches
void _dbus_flush_caches(void)
Called when the bus daemon is signaled to reload its configuration; any caches should be nuked.
Definition: dbus-sysdeps-win.c:3419
_dbus_logv
void _dbus_logv(DBusSystemLogSeverity severity, const char *msg, va_list args)
Log a message to the system log file (e.g.
Definition: dbus-sysdeps-win.c:3919
DBUS_ERROR_FILE_EXISTS
#define DBUS_ERROR_FILE_EXISTS
Existing file and the operation you're using does not silently overwrite.
Definition: dbus-protocol.h:399
DBusPollFD::events
short events
Events to poll for.
Definition: dbus-sysdeps.h:424
_dbus_lookup_session_address
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.
Definition: dbus-sysdeps-win.c:3522
_dbus_atomic_set_zero
void _dbus_atomic_set_zero(DBusAtomic *atomic)
Atomically set the value of an integer to 0.
Definition: dbus-sysdeps-win.c:3395
_dbus_string_copy
dbus_bool_t _dbus_string_copy(const DBusString *source, int start, DBusString *dest, int insert_at)
Like _dbus_string_move(), but does not delete the section of the source string that's copied to the d...
Definition: dbus-string.c:1307
_dbus_string_lengthen
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:784
_dbus_append_keyring_directory_for_credentials
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.
Definition: dbus-sysdeps-win.c:3545
_dbus_get_monotonic_time
void _dbus_get_monotonic_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2408
DBUS_ERROR_LIMITS_EXCEEDED
#define DBUS_ERROR_LIMITS_EXCEEDED
Some limited resource is exhausted.
Definition: dbus-protocol.h:375
DBusGUID
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
Definition: dbus-internals.h:432
dbus_error_init
void dbus_error_init(DBusError *error)
Initializes a DBusError structure.
Definition: dbus-errors.c:188
_dbus_generate_random_bytes
dbus_bool_t _dbus_generate_random_bytes(DBusString *str, int n_bytes, DBusError *error)
Generates the given number of random bytes, using the best mechanism we can come up with.
Definition: dbus-sysdeps-win.c:2495
_dbus_connect_tcp_socket
DBusSocket _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.
Definition: dbus-sysdeps-win.c:1576
_dbus_string_append_byte
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:1181
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:182
_dbus_file_exists
dbus_bool_t _dbus_file_exists(const char *file)
Checks if a file exists.
Definition: dbus-sysdeps-win.c:3631
_dbus_string_append_printf_valist
dbus_bool_t _dbus_string_append_printf_valist(DBusString *str, const char *format, va_list args)
Appends a printf-style formatted string to the DBusString.
Definition: dbus-string.c:1096
_dbus_atomic_get
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
Definition: dbus-sysdeps-win.c:3372
_DBUS_LOCK
#define _DBUS_LOCK(name)
Definition: dbus-internals.h:412
TRUE
#define TRUE
DBUS_ERROR_FILE_NOT_FOUND
#define DBUS_ERROR_FILE_NOT_FOUND
Missing file.
Definition: dbus-protocol.h:397
_dbus_list_append
dbus_bool_t _dbus_list_append(DBusList **list, void *data)
Appends a value to the list.
Definition: dbus-list.c:271
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition: dbus-protocol.h:359
_dbus_init_system_log
void _dbus_init_system_log(const char *tag, DBusLogFlags flags)
Initialize the system log.
Definition: dbus-sysdeps-win.c:3900
_dbus_write_socket
int _dbus_write_socket(DBusSocket 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 ...
Definition: dbus-sysdeps-win.c:449
_dbus_delete_file
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
Definition: dbus-sysdeps-win.c:2586
_dbus_listen_tcp_socket
int _dbus_listen_tcp_socket(const char *host, const char *port, const char *family, DBusString *retport, const char **retfamily, DBusSocket **fds_p, DBusError *error)
Creates a socket and binds it to the given path, then listens on the socket.
Definition: dbus-sysdeps-win.c:1751
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:704
_DBUS_POLLERR
#define _DBUS_POLLERR
Error condition.
Definition: dbus-sysdeps.h:435
dbus_malloc
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc().
Definition: dbus-memory.c:464
_dbus_sleep_milliseconds
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
Definition: dbus-sysdeps-win.c:2363
DBusGUID::as_uint32s
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
Definition: dbus-internals.h:434
_dbus_exit
void _dbus_exit(int code)
Exit the process, returning the given value.
Definition: dbus-sysdeps-win.c:1559
DBUS_ERROR_BAD_ADDRESS
#define DBUS_ERROR_BAD_ADDRESS
A D-Bus bus address was malformed.
Definition: dbus-protocol.h:371
DBusString
Definition: dbus-string.h:42
_dbus_check_setuid
dbus_bool_t _dbus_check_setuid(void)
NOTE: If you modify this function, please also consider making the corresponding change in GLib.
Definition: dbus-sysdeps-win.c:3869
_dbus_string_append_printf
dbus_bool_t _dbus_string_append_printf(DBusString *str, const char *format,...)
Appends a printf-style formatted string to the DBusString.
Definition: dbus-string.c:1138
DBusPollFD::fd
DBusPollable fd
File descriptor.
Definition: dbus-sysdeps.h:423
_dbus_credentials_add_pid
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
Definition: dbus-credentials.c:158
DBusSocket
Socket interface.
Definition: dbus-sysdeps.h:181
_dbus_list_pop_first
void * _dbus_list_pop_first(DBusList **list)
Removes the first value in the list and returns it.
Definition: dbus-list.c:677
_dbus_printf_string_upper_bound
int _dbus_printf_string_upper_bound(const char *format, va_list args)
Measure the message length without terminating nul.
Definition: dbus-sysdeps-win.c:731
DBusCredentials
Definition: dbus-credentials.c:49
_dbus_make_file_world_readable
dbus_bool_t _dbus_make_file_world_readable(const DBusString *filename, DBusError *error)
Makes the file readable by every user in the system.
Definition: dbus-sysdeps-win.c:3327
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:135
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:137
FALSE
#define FALSE
DBusPollFD
Definition: dbus-sysdeps.h:421
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:361
_dbus_string_get_data_len
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:514
_dbus_check_dir_is_private_to_user
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.
Definition: dbus-sysdeps-win.c:2191
_dbus_get_tmpdir
const char * _dbus_get_tmpdir(void)
Gets the temporary files directory by inspecting the environment variables TMPDIR,...
Definition: dbus-sysdeps-win.c:2538
DBUS_UID_UNSET
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition: dbus-sysdeps.h:144
_dbus_send_credentials_socket
dbus_bool_t _dbus_send_credentials_socket(DBusSocket handle, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
Definition: dbus-sysdeps-win.c:2062
_dbus_abort
void _dbus_abort(void)
Aborts the program with SIGABRT (dumping core).
Definition: dbus-sysdeps.c:87
_dbus_poll
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
Definition: dbus-sysdeps-win.c:1511
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Definition: dbus-internals.h:164
_dbus_string_set_length
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string.
Definition: dbus-string.c:826
_dbus_path_is_absolute
dbus_bool_t _dbus_path_is_absolute(const DBusString *filename)
Checks whether the filename is an absolute path.
Definition: dbus-sysdeps-win.c:3858
_dbus_read_socket
int _dbus_read_socket(DBusSocket fd, DBusString *buffer, int count)
Socket interface.
Definition: dbus-sysdeps-win.c:379
DBUS_ERROR_INVALID_ARGS
#define DBUS_ERROR_INVALID_ARGS
Invalid arguments passed to a method call.
Definition: dbus-protocol.h:395
_dbus_string_tolower_ascii
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:2535
DBusAtomic
An atomic integer safe to increment or decrement from multiple threads.
Definition: dbus-sysdeps.h:326
dbus_new
#define dbus_new(type, count)
Definition: dbus-memory.h:57
_dbus_close_socket
dbus_bool_t _dbus_close_socket(DBusSocket fd, DBusError *error)
Closes a file descriptor.
Definition: dbus-sysdeps-win.c:493
_dbus_get_real_time
void _dbus_get_real_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2377
_dbus_assert
#define _dbus_assert(condition)
Definition: dbus-internals.h:153
dbus_error_free
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
_dbus_socketpair
dbus_bool_t _dbus_socketpair(DBusSocket *fd1, DBusSocket *fd2, dbus_bool_t blocking, DBusError *error)
Creates pair of connect sockets (as in socketpair()).
Definition: dbus-sysdeps-win.c:1055
_dbus_warn
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
Definition: dbus-internals.c:238
_dbus_getenv
const char * _dbus_getenv(const char *varname)
Wrapper for getenv().
Definition: dbus-sysdeps.c:195
_dbus_getpid
dbus_pid_t _dbus_getpid(void)
Gets our process ID.
Definition: dbus-sysdeps-win.c:2333
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition: dbus-credentials.c:479
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_dbus_print_backtrace
void _dbus_print_backtrace(void)
On GNU libc systems, print a crude backtrace to stderr.
Definition: dbus-sysdeps-win.c:2798
_dbus_string_validate_utf8
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:2605
_dbus_sha_compute
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
DBusList
Definition: dbus-list.h:34
_dbus_append_user_from_current_process
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...
Definition: dbus-sysdeps-win.c:2314
_dbus_ensure_directory
dbus_bool_t _dbus_ensure_directory(const DBusString *filename, DBusError *error)
Creates a directory; succeeds if the directory is created or already existed.
Definition: dbus-sysdeps-win.c:2461
dbus_set_error
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:354
_DBUS_POLLIN
#define _DBUS_POLLIN
There is data to read.
Definition: dbus-sysdeps.h:429
_dbus_credentials_add_from_user
dbus_bool_t _dbus_credentials_add_from_user(DBusCredentials *credentials, const DBusString *username, DBusCredentialsAddFlags flags, DBusError *error)
Adds the credentials corresponding to the given username.
Definition: dbus-sysdeps-win.c:2252
DBUS_ERROR_ACCESS_DENIED
#define DBUS_ERROR_ACCESS_DENIED
Security restrictions don't allow doing what you're trying to do.
Definition: dbus-protocol.h:377
_dbus_atomic_inc
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
Definition: dbus-sysdeps-win.c:3342
_DBUS_UNLOCK
#define _DBUS_UNLOCK(name)
Definition: dbus-internals.h:413
_dbus_read_local_machine_uuid
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.
Definition: dbus-sysdeps-win.c:2820
_dbus_strerror_from_errno
const char * _dbus_strerror_from_errno(void)
Get error message from errno.
Definition: dbus-sysdeps.c:758
DBusError::message
const char * message
public error message field
Definition: dbus-errors.h:51
_DBUS_ZERO
#define _DBUS_ZERO(object)
Definition: dbus-internals.h:194
_dbus_string_init_const
void _dbus_string_init_const(DBusString *str, const char *value)
Initializes a constant string.
Definition: dbus-string.c:197
dbus_new0
#define dbus_new0(type, count)
Definition: dbus-memory.h:58
_dbus_delete_directory
dbus_bool_t _dbus_delete_directory(const DBusString *filename, DBusError *error)
Removes a directory; Directory must be empty.
Definition: dbus-sysdeps-win.c:3829
_dbus_get_is_errno_eagain_or_ewouldblock
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(int e)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)
Definition: dbus-sysdeps-win.c:3430
_dbus_string_shorten
void _dbus_string_shorten(DBusString *str, int length_to_remove)
Makes a string shorter by the given number of bytes.
Definition: dbus-string.c:804
_dbus_string_append
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:959
_dbus_write_socket_two
int _dbus_write_socket_two(DBusSocket 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.
Definition: dbus-sysdeps-win.c:583
_dbus_pid_for_log
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...
Definition: dbus-sysdeps-win.c:938
_DBUS_POLLOUT
#define _DBUS_POLLOUT
Writing now will not block.
Definition: dbus-sysdeps.h:433
_dbus_string_init_const_len
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length.
Definition: dbus-string.c:217
DBUS_ERROR_IO_ERROR
#define DBUS_ERROR_IO_ERROR
Something went wrong reading or writing to a socket, for example.
Definition: dbus-protocol.h:369
_dbus_read_credentials_socket
dbus_bool_t _dbus_read_credentials_socket(DBusSocket handle, DBusCredentials *credentials, DBusError *error)
Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...
Definition: dbus-sysdeps-win.c:2139
dbus_bool_t
dbus_uint32_t dbus_bool_t
Definition: dbus-types.h:35
NULL
#define NULL