D-Bus 1.4.1

dbus-sysdeps-win.c

00001 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
00002 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-BUS implementation)
00003  * 
00004  * Copyright (C) 2002, 2003  Red Hat, Inc.
00005  * Copyright (C) 2003 CodeFactory AB
00006  * Copyright (C) 2005 Novell, Inc.
00007  * Copyright (C) 2006 Peter Kümmel  <syntheticpp@gmx.net>
00008  * Copyright (C) 2006 Christian Ehrlicher <ch.ehrlicher@gmx.de>
00009  * Copyright (C) 2006-2010 Ralf Habacker <ralf.habacker@freenet.de>
00010  *
00011  * Licensed under the Academic Free License version 2.1
00012  * 
00013  * This program is free software; you can redistribute it and/or modify
00014  * it under the terms of the GNU General Public License as published by
00015  * the Free Software Foundation; either version 2 of the License, or
00016  * (at your option) any later version.
00017  *
00018  * This program is distributed in the hope that it will be useful,
00019  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  * GNU General Public License for more details.
00022  * 
00023  * You should have received a copy of the GNU General Public License
00024  * along with this program; if not, write to the Free Software
00025  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00026  *
00027  */
00028 
00029 #include <config.h>
00030 
00031 #define STRSAFE_NO_DEPRECATE
00032 
00033 #ifndef DBUS_WINCE
00034 #ifndef _WIN32_WINNT
00035 #define _WIN32_WINNT 0x0501
00036 #endif
00037 #endif
00038 
00039 #include "dbus-internals.h"
00040 #include "dbus-sha.h"
00041 #include "dbus-sysdeps.h"
00042 #include "dbus-threads.h"
00043 #include "dbus-protocol.h"
00044 #include "dbus-string.h"
00045 #include "dbus-sysdeps.h"
00046 #include "dbus-sysdeps-win.h"
00047 #include "dbus-protocol.h"
00048 #include "dbus-hash.h"
00049 #include "dbus-sockets-win.h"
00050 #include "dbus-list.h"
00051 #include "dbus-nonce.h"
00052 #include "dbus-credentials.h"
00053 
00054 #include <windows.h>
00055 #include <ws2tcpip.h>
00056 #include <wincrypt.h>
00057 
00058 /* Declarations missing in mingw's headers */
00059 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR  StringSid, PSID *Sid);
00060 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
00061 
00062 #include <stdio.h>
00063 
00064 #include <string.h>
00065 #if HAVE_ERRNO_H
00066 #include <errno.h>
00067 #endif
00068 #ifndef DBUS_WINCE
00069 #include <mbstring.h>
00070 #include <sys/stat.h>
00071 #include <sys/types.h>
00072 #endif
00073 
00074 #ifdef HAVE_WS2TCPIP_H
00075 /* getaddrinfo for Windows CE (and Windows).  */
00076 #include <ws2tcpip.h>
00077 #endif
00078 
00079 #ifdef HAVE_WSPIAPI_H
00080 // needed for w2k compatibility (getaddrinfo/freeaddrinfo/getnameinfo)
00081 #ifdef __GNUC__
00082 #define _inline
00083 #include "wspiapi.h"
00084 #else
00085 #include <wspiapi.h>
00086 #endif
00087 #endif // HAVE_WSPIAPI_H
00088 
00089 #ifndef O_BINARY
00090 #define O_BINARY 0
00091 #endif
00092 
00093 typedef int socklen_t;
00094 
00095 
00096 void
00097 _dbus_win_set_errno (int err)
00098 {
00099 #ifdef DBUS_WINCE
00100   SetLastError (err);
00101 #else
00102   errno = err;
00103 #endif
00104 }
00105 
00106 
00107 /* Convert GetLastError() to a dbus error.  */
00108 const char*
00109 _dbus_win_error_from_last_error (void)
00110 {
00111   switch (GetLastError())
00112     {
00113     case 0:
00114       return DBUS_ERROR_FAILED;
00115     
00116     case ERROR_NO_MORE_FILES:
00117     case ERROR_TOO_MANY_OPEN_FILES:
00118       return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
00119 
00120     case ERROR_ACCESS_DENIED:
00121     case ERROR_CANNOT_MAKE:
00122       return DBUS_ERROR_ACCESS_DENIED;
00123 
00124     case ERROR_NOT_ENOUGH_MEMORY:
00125       return DBUS_ERROR_NO_MEMORY;
00126 
00127     case ERROR_FILE_EXISTS:
00128       return DBUS_ERROR_FILE_EXISTS;
00129 
00130     case ERROR_FILE_NOT_FOUND:
00131     case ERROR_PATH_NOT_FOUND:
00132       return DBUS_ERROR_FILE_NOT_FOUND;
00133     }
00134   
00135   return DBUS_ERROR_FAILED;
00136 }
00137 
00138 
00139 char*
00140 _dbus_win_error_string (int error_number)
00141 {
00142   char *msg;
00143 
00144   FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
00145                   FORMAT_MESSAGE_IGNORE_INSERTS |
00146                   FORMAT_MESSAGE_FROM_SYSTEM,
00147                   NULL, error_number, 0,
00148                   (LPSTR) &msg, 0, NULL);
00149 
00150   if (msg[strlen (msg) - 1] == '\n')
00151     msg[strlen (msg) - 1] = '\0';
00152   if (msg[strlen (msg) - 1] == '\r')
00153     msg[strlen (msg) - 1] = '\0';
00154 
00155   return msg;
00156 }
00157 
00158 void
00159 _dbus_win_free_error_string (char *string)
00160 {
00161   LocalFree (string);
00162 }
00163 
00184 int
00185 _dbus_read_socket (int               fd,
00186                    DBusString       *buffer,
00187                    int               count)
00188 {
00189   int bytes_read;
00190   int start;
00191   char *data;
00192 
00193   _dbus_assert (count >= 0);
00194 
00195   start = _dbus_string_get_length (buffer);
00196 
00197   if (!_dbus_string_lengthen (buffer, count))
00198     {
00199       _dbus_win_set_errno (ENOMEM);
00200       return -1;
00201     }
00202 
00203   data = _dbus_string_get_data_len (buffer, start, count);
00204 
00205  again:
00206  
00207   _dbus_verbose ("recv: count=%d fd=%d\n", count, fd);
00208   bytes_read = recv (fd, data, count, 0);
00209   
00210   if (bytes_read == SOCKET_ERROR)
00211         {
00212           DBUS_SOCKET_SET_ERRNO();
00213           _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
00214           bytes_read = -1;
00215         }
00216         else
00217           _dbus_verbose ("recv: = %d\n", bytes_read);
00218 
00219   if (bytes_read < 0)
00220     {
00221       if (errno == EINTR)
00222         goto again;
00223       else      
00224         {
00225           /* put length back (note that this doesn't actually realloc anything) */
00226           _dbus_string_set_length (buffer, start);
00227           return -1;
00228         }
00229     }
00230   else
00231     {
00232       /* put length back (doesn't actually realloc) */
00233       _dbus_string_set_length (buffer, start + bytes_read);
00234 
00235 #if 0
00236       if (bytes_read > 0)
00237         _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
00238 #endif
00239 
00240       return bytes_read;
00241     }
00242 }
00243 
00254 int
00255 _dbus_write_socket (int               fd,
00256                     const DBusString *buffer,
00257                     int               start,
00258                     int               len)
00259 {
00260   const char *data;
00261   int bytes_written;
00262 
00263   data = _dbus_string_get_const_data_len (buffer, start, len);
00264 
00265  again:
00266 
00267   _dbus_verbose ("send: len=%d fd=%d\n", len, fd);
00268   bytes_written = send (fd, data, len, 0);
00269 
00270   if (bytes_written == SOCKET_ERROR)
00271     {
00272       DBUS_SOCKET_SET_ERRNO();
00273       _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
00274       bytes_written = -1;
00275     }
00276     else
00277       _dbus_verbose ("send: = %d\n", bytes_written);
00278 
00279   if (bytes_written < 0 && errno == EINTR)
00280     goto again;
00281     
00282 #if 0
00283   if (bytes_written > 0)
00284     _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
00285 #endif
00286 
00287   return bytes_written;
00288 }
00289 
00290 
00298 dbus_bool_t
00299 _dbus_close_socket (int        fd,
00300                     DBusError *error)
00301 {
00302   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00303 
00304  again:
00305   if (closesocket (fd) == SOCKET_ERROR)
00306     {
00307       DBUS_SOCKET_SET_ERRNO ();
00308       
00309       if (errno == EINTR)
00310         goto again;
00311         
00312       dbus_set_error (error, _dbus_error_from_errno (errno),
00313                       "Could not close socket: socket=%d, , %s",
00314                       fd, _dbus_strerror_from_errno ());
00315       return FALSE;
00316     }
00317   _dbus_verbose ("_dbus_close_socket: socket=%d, \n", fd);
00318 
00319   return TRUE;
00320 }
00321 
00329 void
00330 _dbus_fd_set_close_on_exec (intptr_t handle)
00331 {
00332   if ( !SetHandleInformation( (HANDLE) handle,
00333                         HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
00334                         0 /*disable both flags*/ ) )
00335     {
00336       _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
00337     }
00338 }
00339 
00347 dbus_bool_t
00348 _dbus_set_fd_nonblocking (int             handle,
00349                           DBusError      *error)
00350 {
00351   u_long one = 1;
00352 
00353   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00354 
00355   if (ioctlsocket (handle, FIONBIO, &one) == SOCKET_ERROR)
00356     {
00357       DBUS_SOCKET_SET_ERRNO ();
00358       dbus_set_error (error, _dbus_error_from_errno (errno),
00359                       "Failed to set socket %d:%d to nonblocking: %s", handle,
00360                       _dbus_strerror_from_errno ());
00361       return FALSE;
00362     }
00363 
00364   return TRUE;
00365 }
00366 
00367 
00388 int
00389 _dbus_write_socket_two (int               fd,
00390                         const DBusString *buffer1,
00391                         int               start1,
00392                         int               len1,
00393                         const DBusString *buffer2,
00394                         int               start2,
00395                         int               len2)
00396 {
00397   WSABUF vectors[2];
00398   const char *data1;
00399   const char *data2;
00400   int rc;
00401   DWORD bytes_written;
00402 
00403   _dbus_assert (buffer1 != NULL);
00404   _dbus_assert (start1 >= 0);
00405   _dbus_assert (start2 >= 0);
00406   _dbus_assert (len1 >= 0);
00407   _dbus_assert (len2 >= 0);
00408 
00409 
00410   data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
00411 
00412   if (buffer2 != NULL)
00413     data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
00414   else
00415     {
00416       data2 = NULL;
00417       start2 = 0;
00418       len2 = 0;
00419     }
00420 
00421   vectors[0].buf = (char*) data1;
00422   vectors[0].len = len1;
00423   vectors[1].buf = (char*) data2;
00424   vectors[1].len = len2;
00425 
00426  again:
00427  
00428   _dbus_verbose ("WSASend: len1+2=%d+%d fd=%d\n", len1, len2, fd);
00429   rc = WSASend (fd, 
00430                 vectors,
00431                 data2 ? 2 : 1, 
00432                 &bytes_written,
00433                 0, 
00434                 NULL, 
00435                 NULL);
00436                 
00437   if (rc == SOCKET_ERROR)
00438     {
00439       DBUS_SOCKET_SET_ERRNO ();
00440       _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
00441       bytes_written = -1;
00442     }
00443   else
00444     _dbus_verbose ("WSASend: = %ld\n", bytes_written);
00445     
00446   if (bytes_written < 0 && errno == EINTR)
00447     goto again;
00448       
00449   return bytes_written;
00450 }
00451 
00452 dbus_bool_t
00453 _dbus_socket_is_invalid (int fd)
00454 {
00455     return fd == INVALID_SOCKET ? TRUE : FALSE;
00456 }
00457 
00458 #if 0
00459 
00468 int
00469 _dbus_connect_named_pipe (const char     *path,
00470                           DBusError      *error)
00471 {
00472   _dbus_assert_not_reached ("not implemented");
00473 }
00474 
00475 #endif
00476 
00477 
00478 
00479 void
00480 _dbus_win_startup_winsock (void)
00481 {
00482   /* Straight from MSDN, deuglified */
00483 
00484   static dbus_bool_t beenhere = FALSE;
00485 
00486   WORD wVersionRequested;
00487   WSADATA wsaData;
00488   int err;
00489 
00490   if (beenhere)
00491     return;
00492 
00493   wVersionRequested = MAKEWORD (2, 0);
00494 
00495   err = WSAStartup (wVersionRequested, &wsaData);
00496   if (err != 0)
00497     {
00498       _dbus_assert_not_reached ("Could not initialize WinSock");
00499       _dbus_abort ();
00500     }
00501 
00502   /* Confirm that the WinSock DLL supports 2.0.  Note that if the DLL
00503    * supports versions greater than 2.0 in addition to 2.0, it will
00504    * still return 2.0 in wVersion since that is the version we
00505    * requested.
00506    */
00507   if (LOBYTE (wsaData.wVersion) != 2 ||
00508       HIBYTE (wsaData.wVersion) != 0)
00509     {
00510       _dbus_assert_not_reached ("No usable WinSock found");
00511       _dbus_abort ();
00512     }
00513 
00514   beenhere = TRUE;
00515 }
00516 
00517 
00518 
00519 
00520 
00521 
00522 
00523 
00524 
00525 /************************************************************************
00526  
00527  UTF / string code
00528  
00529  ************************************************************************/
00530 
00534 int _dbus_printf_string_upper_bound (const char *format,
00535                                      va_list args)
00536 {
00537   /* MSVCRT's vsnprintf semantics are a bit different */
00538   char buf[1024];
00539   int bufsize;
00540   int len;
00541 
00542   bufsize = sizeof (buf);
00543   len = _vsnprintf (buf, bufsize - 1, format, args);
00544 
00545   while (len == -1) /* try again */
00546     {
00547       char *p;
00548 
00549       bufsize *= 2;
00550 
00551       p = malloc (bufsize);
00552       len = _vsnprintf (p, bufsize - 1, format, args);
00553       free (p);
00554     }
00555 
00556   return len;
00557 }
00558 
00559 
00567 wchar_t *
00568 _dbus_win_utf8_to_utf16 (const char *str,
00569                          DBusError  *error)
00570 {
00571   DBusString s;
00572   int n;
00573   wchar_t *retval;
00574 
00575   _dbus_string_init_const (&s, str);
00576 
00577   if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
00578     {
00579       dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
00580       return NULL;
00581     }
00582 
00583   n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
00584 
00585   if (n == 0)
00586     {
00587       _dbus_win_set_error_from_win_error (error, GetLastError ());
00588       return NULL;
00589     }
00590 
00591   retval = dbus_new (wchar_t, n);
00592 
00593   if (!retval)
00594     {
00595       _DBUS_SET_OOM (error);
00596       return NULL;
00597     }
00598 
00599   if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
00600     {
00601       dbus_free (retval);
00602       dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
00603       return NULL;
00604     }
00605 
00606   return retval;
00607 }
00608 
00616 char *
00617 _dbus_win_utf16_to_utf8 (const wchar_t *str,
00618                          DBusError     *error)
00619 {
00620   int n;
00621   char *retval;
00622 
00623   n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
00624 
00625   if (n == 0)
00626     {
00627       _dbus_win_set_error_from_win_error (error, GetLastError ());
00628       return NULL;
00629     }
00630 
00631   retval = dbus_malloc (n);
00632 
00633   if (!retval)
00634     {
00635       _DBUS_SET_OOM (error);
00636       return NULL;
00637     }
00638 
00639   if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
00640     {
00641       dbus_free (retval);
00642       dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
00643       return NULL;
00644     }
00645 
00646   return retval;
00647 }
00648 
00649 
00650 
00651 
00652 
00653 
00654 /************************************************************************
00655  
00656  
00657  ************************************************************************/
00658 
00659 dbus_bool_t
00660 _dbus_win_account_to_sid (const wchar_t *waccount,
00661                           void           **ppsid,
00662                           DBusError       *error)
00663 {
00664   dbus_bool_t retval = FALSE;
00665   DWORD sid_length, wdomain_length;
00666   SID_NAME_USE use;
00667   wchar_t *wdomain;
00668 
00669   *ppsid = NULL;
00670 
00671   sid_length = 0;
00672   wdomain_length = 0;
00673   if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
00674                            NULL, &wdomain_length, &use) &&
00675       GetLastError () != ERROR_INSUFFICIENT_BUFFER)
00676     {
00677       _dbus_win_set_error_from_win_error (error, GetLastError ());
00678       return FALSE;
00679     }
00680 
00681   *ppsid = dbus_malloc (sid_length);
00682   if (!*ppsid)
00683     {
00684       _DBUS_SET_OOM (error);
00685       return FALSE;
00686     }
00687 
00688   wdomain = dbus_new (wchar_t, wdomain_length);
00689   if (!wdomain)
00690     {
00691       _DBUS_SET_OOM (error);
00692       goto out1;
00693     }
00694 
00695   if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
00696                            wdomain, &wdomain_length, &use))
00697     {
00698       _dbus_win_set_error_from_win_error (error, GetLastError ());
00699       goto out2;
00700     }
00701 
00702   if (!IsValidSid ((PSID) *ppsid))
00703     {
00704       dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
00705       goto out2;
00706     }
00707 
00708   retval = TRUE;
00709 
00710 out2:
00711   dbus_free (wdomain);
00712 out1:
00713   if (!retval)
00714     {
00715       dbus_free (*ppsid);
00716       *ppsid = NULL;
00717     }
00718 
00719   return retval;
00720 }
00721 
00731 unsigned long
00732 _dbus_pid_for_log (void)
00733 {
00734   return _dbus_getpid ();
00735 }
00736 
00737 
00738 #ifndef DBUS_WINCE
00739 
00743 static dbus_bool_t
00744 _dbus_getsid(char **sid)
00745 {
00746   HANDLE process_token = INVALID_HANDLE_VALUE;
00747   TOKEN_USER *token_user = NULL;
00748   DWORD n;
00749   PSID psid;
00750   int retval = FALSE;
00751   
00752   if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &process_token)) 
00753     {
00754       _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
00755       goto failed;
00756     }
00757   if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
00758             && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
00759            || (token_user = alloca (n)) == NULL
00760            || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
00761     {
00762       _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
00763       goto failed;
00764     }
00765   psid = token_user->User.Sid;
00766   if (!IsValidSid (psid))
00767     {
00768       _dbus_verbose("%s invalid sid\n",__FUNCTION__);
00769       goto failed;
00770     }
00771   if (!ConvertSidToStringSidA (psid, sid))
00772     {
00773       _dbus_verbose("%s invalid sid\n",__FUNCTION__);
00774       goto failed;
00775     }
00776 //okay:
00777   retval = TRUE;
00778 
00779 failed:
00780   if (process_token != INVALID_HANDLE_VALUE)
00781     CloseHandle (process_token);
00782 
00783   _dbus_verbose("_dbus_getsid() returns %d\n",retval);
00784   return retval;
00785 }
00786 #endif
00787 
00788 /************************************************************************
00789  
00790  pipes
00791  
00792  ************************************************************************/
00793 
00809 dbus_bool_t
00810 _dbus_full_duplex_pipe (int        *fd1,
00811                         int        *fd2,
00812                         dbus_bool_t blocking,
00813                         DBusError  *error)
00814 {
00815   SOCKET temp, socket1 = -1, socket2 = -1;
00816   struct sockaddr_in saddr;
00817   int len;
00818   u_long arg;
00819   fd_set read_set, write_set;
00820   struct timeval tv;
00821   int res;
00822 
00823   _dbus_win_startup_winsock ();
00824 
00825   temp = socket (AF_INET, SOCK_STREAM, 0);
00826   if (temp == INVALID_SOCKET)
00827     {
00828       DBUS_SOCKET_SET_ERRNO ();
00829       goto out0;
00830     }
00831 
00832   _DBUS_ZERO (saddr);
00833   saddr.sin_family = AF_INET;
00834   saddr.sin_port = 0;
00835   saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
00836 
00837   if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
00838     {
00839       DBUS_SOCKET_SET_ERRNO ();
00840       goto out0;
00841     }
00842 
00843   if (listen (temp, 1) == SOCKET_ERROR)
00844     {
00845       DBUS_SOCKET_SET_ERRNO ();
00846       goto out0;
00847     }
00848 
00849   len = sizeof (saddr);
00850   if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
00851     {
00852       DBUS_SOCKET_SET_ERRNO ();
00853       goto out0;
00854     }
00855 
00856   socket1 = socket (AF_INET, SOCK_STREAM, 0);
00857   if (socket1 == INVALID_SOCKET)
00858     {
00859       DBUS_SOCKET_SET_ERRNO ();
00860       goto out0;
00861     }
00862 
00863   if (connect (socket1, (struct sockaddr  *)&saddr, len) == SOCKET_ERROR)
00864     {
00865       DBUS_SOCKET_SET_ERRNO ();
00866       goto out1;
00867     }
00868 
00869   socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
00870   if (socket2 == INVALID_SOCKET)
00871     {
00872       DBUS_SOCKET_SET_ERRNO ();
00873       goto out1;
00874     }
00875 
00876   if (!blocking)
00877     {
00878       arg = 1;
00879       if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
00880         {
00881           DBUS_SOCKET_SET_ERRNO ();
00882           goto out2;
00883         }
00884 
00885       arg = 1;
00886       if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
00887         {
00888           DBUS_SOCKET_SET_ERRNO ();
00889           goto out2;
00890         }
00891     }
00892 
00893   *fd1 = socket1;
00894   *fd2 = socket2;
00895 
00896   _dbus_verbose ("full-duplex pipe %d:%d <-> %d:%d\n",
00897                  *fd1, socket1, *fd2, socket2);
00898 
00899   closesocket (temp);
00900 
00901   return TRUE;
00902 
00903 out2:
00904   closesocket (socket2);
00905 out1:
00906   closesocket (socket1);
00907 out0:
00908   closesocket (temp);
00909 
00910   dbus_set_error (error, _dbus_error_from_errno (errno),
00911                   "Could not setup socket pair: %s",
00912                   _dbus_strerror_from_errno ());
00913 
00914   return FALSE;
00915 }
00916 
00925 int
00926 _dbus_poll (DBusPollFD *fds,
00927             int         n_fds,
00928             int         timeout_milliseconds)
00929 {
00930 #define USE_CHRIS_IMPL 0
00931 
00932 #if USE_CHRIS_IMPL
00933 
00934 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
00935   char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
00936   char *msgp;
00937 
00938   int ret = 0;
00939   int i;
00940   struct timeval tv;
00941   int ready;
00942 
00943 #define DBUS_STACK_WSAEVENTS 256
00944   WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
00945   WSAEVENT *pEvents = NULL;
00946   if (n_fds > DBUS_STACK_WSAEVENTS)
00947     pEvents = calloc(sizeof(WSAEVENT), n_fds);
00948   else
00949     pEvents = eventsOnStack;
00950 
00951 
00952 #ifdef DBUS_ENABLE_VERBOSE_MODE
00953   msgp = msg;
00954   msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
00955   for (i = 0; i < n_fds; i++)
00956     {
00957       static dbus_bool_t warned = FALSE;
00958       DBusPollFD *fdp = &fds[i];
00959 
00960 
00961       if (fdp->events & _DBUS_POLLIN)
00962         msgp += sprintf (msgp, "R:%d ", fdp->fd);
00963 
00964       if (fdp->events & _DBUS_POLLOUT)
00965         msgp += sprintf (msgp, "W:%d ", fdp->fd);
00966 
00967       msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
00968 
00969       // FIXME: more robust code for long  msg
00970       //        create on heap when msg[] becomes too small
00971       if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
00972         {
00973           _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
00974         }
00975     }
00976 
00977   msgp += sprintf (msgp, "\n");
00978   _dbus_verbose ("%s",msg);
00979 #endif
00980   for (i = 0; i < n_fds; i++)
00981     {
00982       DBusPollFD *fdp = &fds[i];
00983       WSAEVENT ev;
00984       long lNetworkEvents = FD_OOB;
00985 
00986       ev = WSACreateEvent();
00987 
00988       if (fdp->events & _DBUS_POLLIN)
00989         lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
00990 
00991       if (fdp->events & _DBUS_POLLOUT)
00992         lNetworkEvents |= FD_WRITE | FD_CONNECT;
00993 
00994       WSAEventSelect(fdp->fd, ev, lNetworkEvents);
00995 
00996       pEvents[i] = ev;
00997     }
00998 
00999 
01000   ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
01001 
01002   if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
01003     {
01004       DBUS_SOCKET_SET_ERRNO ();
01005       if (errno != WSAEWOULDBLOCK)
01006         _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
01007       ret = -1;
01008     }
01009   else if (ready == WSA_WAIT_TIMEOUT)
01010     {
01011       _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
01012       ret = 0;
01013     }
01014   else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
01015     {
01016       msgp = msg;
01017       msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
01018 
01019       for (i = 0; i < n_fds; i++)
01020         {
01021           DBusPollFD *fdp = &fds[i];
01022           WSANETWORKEVENTS ne;
01023 
01024           fdp->revents = 0;
01025 
01026           WSAEnumNetworkEvents(fdp->fd, pEvents[i], &ne);
01027 
01028           if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
01029             fdp->revents |= _DBUS_POLLIN;
01030 
01031           if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
01032             fdp->revents |= _DBUS_POLLOUT;
01033 
01034           if (ne.lNetworkEvents & (FD_OOB))
01035             fdp->revents |= _DBUS_POLLERR;
01036 
01037           if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
01038               msgp += sprintf (msgp, "R:%d ", fdp->fd);
01039 
01040           if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
01041               msgp += sprintf (msgp, "W:%d ", fdp->fd);
01042 
01043           if (ne.lNetworkEvents & (FD_OOB))
01044               msgp += sprintf (msgp, "E:%d ", fdp->fd);
01045 
01046           msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
01047 
01048           if(ne.lNetworkEvents)
01049             ret++;
01050 
01051           WSAEventSelect(fdp->fd, pEvents[i], 0);
01052         }
01053 
01054       msgp += sprintf (msgp, "\n");
01055       _dbus_verbose ("%s",msg);
01056     }
01057   else
01058     {
01059       _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
01060       ret = -1;
01061     }
01062 
01063   for(i = 0; i < n_fds; i++)
01064     {
01065       WSACloseEvent(pEvents[i]);
01066     }
01067 
01068   if (n_fds > DBUS_STACK_WSAEVENTS)
01069     free(pEvents);
01070 
01071   return ret;
01072 
01073 #else   /* USE_CHRIS_IMPL */
01074 
01075 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
01076   char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
01077   char *msgp;
01078 
01079   fd_set read_set, write_set, err_set;
01080   int max_fd = 0;
01081   int i;
01082   struct timeval tv;
01083   int ready;
01084 
01085   FD_ZERO (&read_set);
01086   FD_ZERO (&write_set);
01087   FD_ZERO (&err_set);
01088 
01089 
01090 #ifdef DBUS_ENABLE_VERBOSE_MODE
01091   msgp = msg;
01092   msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
01093   for (i = 0; i < n_fds; i++)
01094     {
01095       static dbus_bool_t warned = FALSE;
01096       DBusPollFD *fdp = &fds[i];
01097 
01098 
01099       if (fdp->events & _DBUS_POLLIN)
01100         msgp += sprintf (msgp, "R:%d ", fdp->fd);
01101 
01102       if (fdp->events & _DBUS_POLLOUT)
01103         msgp += sprintf (msgp, "W:%d ", fdp->fd);
01104 
01105       msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
01106 
01107       // FIXME: more robust code for long  msg
01108       //        create on heap when msg[] becomes too small
01109       if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
01110         {
01111           _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
01112         }
01113     }
01114 
01115   msgp += sprintf (msgp, "\n");
01116   _dbus_verbose ("%s",msg);
01117 #endif
01118   for (i = 0; i < n_fds; i++)
01119     {
01120       DBusPollFD *fdp = &fds[i]; 
01121 
01122       if (fdp->events & _DBUS_POLLIN)
01123         FD_SET (fdp->fd, &read_set);
01124 
01125       if (fdp->events & _DBUS_POLLOUT)
01126         FD_SET (fdp->fd, &write_set);
01127 
01128       FD_SET (fdp->fd, &err_set);
01129 
01130       max_fd = MAX (max_fd, fdp->fd);
01131     }
01132 
01133   // Avoid random lockups with send(), for lack of a better solution so far
01134   tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
01135   tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
01136 
01137   ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
01138 
01139   if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
01140     {
01141       DBUS_SOCKET_SET_ERRNO ();
01142       if (errno != WSAEWOULDBLOCK)
01143         _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
01144     }
01145   else if (ready == 0)
01146     _dbus_verbose ("select: = 0\n");
01147   else
01148     if (ready > 0)
01149       {
01150 #ifdef DBUS_ENABLE_VERBOSE_MODE
01151         msgp = msg;
01152         msgp += sprintf (msgp, "select: = %d:\n\t", ready);
01153 
01154         for (i = 0; i < n_fds; i++)
01155           {
01156             DBusPollFD *fdp = &fds[i];
01157 
01158             if (FD_ISSET (fdp->fd, &read_set))
01159               msgp += sprintf (msgp, "R:%d ", fdp->fd);
01160 
01161             if (FD_ISSET (fdp->fd, &write_set))
01162               msgp += sprintf (msgp, "W:%d ", fdp->fd);
01163 
01164             if (FD_ISSET (fdp->fd, &err_set))
01165               msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
01166           }
01167         msgp += sprintf (msgp, "\n");
01168         _dbus_verbose ("%s",msg);
01169 #endif
01170 
01171         for (i = 0; i < n_fds; i++)
01172           {
01173             DBusPollFD *fdp = &fds[i];
01174 
01175             fdp->revents = 0;
01176 
01177             if (FD_ISSET (fdp->fd, &read_set))
01178               fdp->revents |= _DBUS_POLLIN;
01179 
01180             if (FD_ISSET (fdp->fd, &write_set))
01181               fdp->revents |= _DBUS_POLLOUT;
01182 
01183             if (FD_ISSET (fdp->fd, &err_set))
01184               fdp->revents |= _DBUS_POLLERR;
01185           }
01186       }
01187   return ready;
01188 #endif  /* USE_CHRIS_IMPL */
01189 }
01190 
01191 
01192 
01193 
01194 /******************************************************************************
01195  
01196 Original CVS version of dbus-sysdeps.c
01197  
01198 ******************************************************************************/
01199 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
01200 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
01201  * 
01202  * Copyright (C) 2002, 2003  Red Hat, Inc.
01203  * Copyright (C) 2003 CodeFactory AB
01204  * Copyright (C) 2005 Novell, Inc.
01205  *
01206  * Licensed under the Academic Free License version 2.1
01207  * 
01208  * This program is free software; you can redistribute it and/or modify
01209  * it under the terms of the GNU General Public License as published by
01210  * the Free Software Foundation; either version 2 of the License, or
01211  * (at your option) any later version.
01212  *
01213  * This program is distributed in the hope that it will be useful,
01214  * but WITHOUT ANY WARRANTY; without even the implied warranty of
01215  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
01216  * GNU General Public License for more details.
01217  * 
01218  * You should have received a copy of the GNU General Public License
01219  * along with this program; if not, write to the Free Software
01220  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
01221  *
01222  */
01223 
01224 
01230 void
01231 _dbus_exit (int code)
01232 {
01233   _exit (code);
01234 }
01235 
01247 int
01248 _dbus_connect_tcp_socket (const char     *host,
01249                           const char     *port,
01250                           const char     *family,
01251                           DBusError      *error)
01252 {
01253   return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
01254 }
01255 
01256 int
01257 _dbus_connect_tcp_socket_with_nonce (const char     *host,
01258                                      const char     *port,
01259                                      const char     *family,
01260                                      const char     *noncefile,
01261                                      DBusError      *error)
01262 {
01263   int fd = -1, res;
01264   struct addrinfo hints;
01265   struct addrinfo *ai, *tmp;
01266 
01267   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
01268 
01269   _dbus_win_startup_winsock ();
01270 
01271   _DBUS_ZERO (hints);
01272 
01273   if (!family)
01274     hints.ai_family = AF_UNSPEC;
01275   else if (!strcmp(family, "ipv4"))
01276     hints.ai_family = AF_INET;
01277   else if (!strcmp(family, "ipv6"))
01278     hints.ai_family = AF_INET6;
01279   else
01280     {
01281       dbus_set_error (error,
01282                       DBUS_ERROR_INVALID_ARGS,
01283                       "Unknown address family %s", family);
01284       return -1;
01285     }
01286   hints.ai_protocol = IPPROTO_TCP;
01287   hints.ai_socktype = SOCK_STREAM;
01288 #ifdef AI_ADDRCONFIG
01289   hints.ai_flags = AI_ADDRCONFIG;
01290 #else
01291   hints.ai_flags = 0;
01292 #endif
01293 
01294   if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
01295     {
01296       dbus_set_error (error,
01297                       _dbus_error_from_errno (res),
01298                       "Failed to lookup host/port: \"%s:%s\": %s (%d)",
01299                       host, port, _dbus_strerror(res), res);
01300       return -1;
01301     }
01302 
01303   tmp = ai;
01304   while (tmp)
01305     {
01306       if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
01307         {
01308           DBUS_SOCKET_SET_ERRNO ();
01309           dbus_set_error (error,
01310                           _dbus_error_from_errno (errno),
01311                           "Failed to open socket: %s",
01312                           _dbus_strerror_from_errno ());
01313           freeaddrinfo(ai);
01314           return -1;
01315         }
01316       _DBUS_ASSERT_ERROR_IS_CLEAR(error);
01317 
01318       if (connect (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
01319         {
01320           DBUS_SOCKET_SET_ERRNO ();
01321           closesocket(fd);
01322           fd = -1;
01323           tmp = tmp->ai_next;
01324           continue;
01325         }
01326 
01327       break;
01328     }
01329   freeaddrinfo(ai);
01330 
01331   if (fd == -1)
01332     {
01333       dbus_set_error (error,
01334                       _dbus_error_from_errno (errno),
01335                       "Failed to connect to socket \"%s:%s\" %s",
01336                       host, port, _dbus_strerror_from_errno ());
01337       return -1;
01338     }
01339 
01340   if (noncefile != NULL)
01341     {
01342       DBusString noncefileStr;
01343       dbus_bool_t ret;
01344       if (!_dbus_string_init (&noncefileStr) ||
01345           !_dbus_string_append(&noncefileStr, noncefile))
01346         {
01347           closesocket (fd);
01348           dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
01349           return -1;
01350         }
01351 
01352       ret = _dbus_send_nonce (fd, &noncefileStr, error);
01353 
01354       _dbus_string_free (&noncefileStr);
01355 
01356       if (!ret)
01357         {
01358           closesocket (fd);
01359           return -1;
01360         }
01361     }
01362 
01363   _dbus_fd_set_close_on_exec (fd);
01364 
01365   if (!_dbus_set_fd_nonblocking (fd, error))
01366     {
01367       closesocket (fd);
01368       return -1;
01369     }
01370 
01371   return fd;
01372 }
01373 
01389 int
01390 _dbus_listen_tcp_socket (const char     *host,
01391                          const char     *port,
01392                          const char     *family,
01393                          DBusString     *retport,
01394                          int           **fds_p,
01395                          DBusError      *error)
01396 {
01397   int nlisten_fd = 0, *listen_fd = NULL, res, i, port_num = -1;
01398   struct addrinfo hints;
01399   struct addrinfo *ai, *tmp;
01400 
01401   // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
01402   //That's required for family == IPv6(which is the default on Vista if family is not given)
01403   //So we use our own union instead of sockaddr_gen:
01404 
01405   typedef union {
01406         struct sockaddr Address;
01407         struct sockaddr_in AddressIn;
01408         struct sockaddr_in6 AddressIn6;
01409   } mysockaddr_gen;
01410 
01411   *fds_p = NULL;
01412   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
01413 
01414   _dbus_win_startup_winsock ();
01415 
01416   _DBUS_ZERO (hints);
01417 
01418   if (!family)
01419     hints.ai_family = AF_UNSPEC;
01420   else if (!strcmp(family, "ipv4"))
01421     hints.ai_family = AF_INET;
01422   else if (!strcmp(family, "ipv6"))
01423     hints.ai_family = AF_INET6;
01424   else
01425     {
01426       dbus_set_error (error,
01427                       DBUS_ERROR_INVALID_ARGS,
01428                       "Unknown address family %s", family);
01429       return -1;
01430     }
01431 
01432   hints.ai_protocol = IPPROTO_TCP;
01433   hints.ai_socktype = SOCK_STREAM;
01434 #ifdef AI_ADDRCONFIG
01435   hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
01436 #else
01437   hints.ai_flags = AI_PASSIVE;
01438 #endif
01439 
01440  redo_lookup_with_port:
01441   if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
01442     {
01443       dbus_set_error (error,
01444                       _dbus_error_from_errno (res),
01445                       "Failed to lookup host/port: \"%s:%s\": %s (%d)",
01446                       host ? host : "*", port, _dbus_strerror(res), res);
01447       return -1;
01448     }
01449 
01450   tmp = ai;
01451   while (tmp)
01452     {
01453       int fd = -1, *newlisten_fd;
01454       if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
01455         {
01456           DBUS_SOCKET_SET_ERRNO ();
01457           dbus_set_error (error,
01458                           _dbus_error_from_errno (errno),
01459                          "Failed to open socket: %s",
01460                          _dbus_strerror_from_errno ());
01461           goto failed;
01462         }
01463       _DBUS_ASSERT_ERROR_IS_CLEAR(error);
01464 
01465       if (bind (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
01466         {
01467           DBUS_SOCKET_SET_ERRNO ();
01468           dbus_set_error (error, _dbus_error_from_errno (errno),
01469                           "Failed to bind socket \"%s:%s\": %s",
01470                           host ? host : "*", port, _dbus_strerror_from_errno ());
01471           closesocket (fd);
01472           goto failed;
01473     }
01474 
01475       if (listen (fd, 30 /* backlog */) == SOCKET_ERROR)
01476         {
01477           DBUS_SOCKET_SET_ERRNO ();
01478           dbus_set_error (error, _dbus_error_from_errno (errno),
01479                           "Failed to listen on socket \"%s:%s\": %s",
01480                           host ? host : "*", port, _dbus_strerror_from_errno ());
01481           closesocket (fd);
01482           goto failed;
01483         }
01484 
01485       newlisten_fd = dbus_realloc(listen_fd, sizeof(int)*(nlisten_fd+1));
01486       if (!newlisten_fd)
01487         {
01488           closesocket (fd);
01489           dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
01490                           "Failed to allocate file handle array");
01491           goto failed;
01492         }
01493       listen_fd = newlisten_fd;
01494       listen_fd[nlisten_fd] = fd;
01495       nlisten_fd++;
01496 
01497       if (!_dbus_string_get_length(retport))
01498         {
01499           /* If the user didn't specify a port, or used 0, then
01500              the kernel chooses a port. After the first address
01501              is bound to, we need to force all remaining addresses
01502              to use the same port */
01503           if (!port || !strcmp(port, "0"))
01504             {
01505               mysockaddr_gen addr;
01506               socklen_t addrlen = sizeof(addr);
01507               char portbuf[10];
01508 
01509               if (getsockname(fd, &addr.Address, &addrlen) == SOCKET_ERROR)
01510                 {
01511                   DBUS_SOCKET_SET_ERRNO ();
01512                   dbus_set_error (error, _dbus_error_from_errno (errno),
01513                                   "Failed to resolve port \"%s:%s\": %s",
01514                                   host ? host : "*", port, _dbus_strerror_from_errno());
01515                   goto failed;
01516                 }
01517               snprintf( portbuf, sizeof( portbuf ) - 1, "%d", addr.AddressIn.sin_port );
01518               if (!_dbus_string_append(retport, portbuf))
01519                 {
01520                   dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
01521                   goto failed;
01522                 }
01523 
01524               /* Release current address list & redo lookup */
01525               port = _dbus_string_get_const_data(retport);
01526               freeaddrinfo(ai);
01527               goto redo_lookup_with_port;
01528             }
01529           else
01530             {
01531               if (!_dbus_string_append(retport, port))
01532                 {
01533                     dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
01534                     goto failed;
01535                 }
01536             }
01537         }
01538   
01539       tmp = tmp->ai_next;
01540     }
01541   freeaddrinfo(ai);
01542   ai = NULL;
01543 
01544   if (!nlisten_fd)
01545     {
01546       _dbus_win_set_errno (WSAEADDRINUSE);
01547       dbus_set_error (error, _dbus_error_from_errno (errno),
01548                       "Failed to bind socket \"%s:%s\": %s",
01549                       host ? host : "*", port, _dbus_strerror_from_errno ());
01550       return -1;
01551     }
01552 
01553   sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
01554 
01555   for (i = 0 ; i < nlisten_fd ; i++)
01556     {
01557       _dbus_fd_set_close_on_exec (listen_fd[i]);
01558       if (!_dbus_set_fd_nonblocking (listen_fd[i], error))
01559         {
01560           goto failed;
01561         }
01562     }
01563 
01564   *fds_p = listen_fd;
01565 
01566   return nlisten_fd;
01567 
01568  failed:
01569   if (ai)
01570     freeaddrinfo(ai);
01571   for (i = 0 ; i < nlisten_fd ; i++)
01572     closesocket (listen_fd[i]);
01573   dbus_free(listen_fd);
01574   return -1;
01575 }
01576 
01577 
01585 int
01586 _dbus_accept  (int listen_fd)
01587 {
01588   int client_fd;
01589 
01590  retry:
01591   client_fd = accept (listen_fd, NULL, NULL);
01592 
01593   if (DBUS_SOCKET_IS_INVALID (client_fd))
01594     {
01595       DBUS_SOCKET_SET_ERRNO ();
01596       if (errno == EINTR)
01597         goto retry;
01598     }
01599 
01600   _dbus_verbose ("client fd %d accepted\n", client_fd);
01601   
01602   return client_fd;
01603 }
01604 
01605 
01606 
01607 
01608 dbus_bool_t
01609 _dbus_send_credentials_socket (int            handle,
01610                         DBusError      *error)
01611 {
01612 /* FIXME: for the session bus credentials shouldn't matter (?), but
01613  * for the system bus they are presumably essential. A rough outline
01614  * of a way to implement the credential transfer would be this:
01615  *
01616  * client waits to *read* a byte.
01617  *
01618  * server creates a named pipe with a random name, sends a byte
01619  * contining its length, and its name.
01620  *
01621  * client reads the name, connects to it (using Win32 API).
01622  *
01623  * server waits for connection to the named pipe, then calls
01624  * ImpersonateNamedPipeClient(), notes its now-current credentials,
01625  * calls RevertToSelf(), closes its handles to the named pipe, and
01626  * is done. (Maybe there is some other way to get the SID of a named
01627  * pipe client without having to use impersonation?)
01628  *
01629  * client closes its handles and is done.
01630  * 
01631  * Ralf: Why not sending credentials over the given this connection ?
01632  * Using named pipes makes it impossible to be connected from a unix client.  
01633  *
01634  */
01635   int bytes_written;
01636   DBusString buf; 
01637 
01638   _dbus_string_init_const_len (&buf, "\0", 1);
01639 again:
01640   bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
01641 
01642   if (bytes_written < 0 && errno == EINTR)
01643     goto again;
01644 
01645   if (bytes_written < 0)
01646     {
01647       dbus_set_error (error, _dbus_error_from_errno (errno),
01648                       "Failed to write credentials byte: %s",
01649                      _dbus_strerror_from_errno ());
01650       return FALSE;
01651     }
01652   else if (bytes_written == 0)
01653     {
01654       dbus_set_error (error, DBUS_ERROR_IO_ERROR,
01655                       "wrote zero bytes writing credentials byte");
01656       return FALSE;
01657     }
01658   else
01659     {
01660       _dbus_assert (bytes_written == 1);
01661       _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
01662       return TRUE;
01663     }
01664   return TRUE;
01665 }
01666 
01685 dbus_bool_t
01686 _dbus_read_credentials_socket  (int              handle,
01687                                 DBusCredentials *credentials,
01688                                 DBusError       *error)
01689 {
01690   int bytes_read = 0;
01691   DBusString buf;
01692   
01693   // could fail due too OOM
01694   if (_dbus_string_init(&buf))
01695     {
01696       bytes_read = _dbus_read_socket(handle, &buf, 1 );
01697 
01698       if (bytes_read > 0) 
01699         _dbus_verbose("got one zero byte from server");
01700 
01701       _dbus_string_free(&buf);
01702     }
01703 
01704   _dbus_credentials_add_from_current_process (credentials);
01705   _dbus_verbose("FIXME: get faked credentials from current process");
01706 
01707   return TRUE;
01708 }
01709 
01718 dbus_bool_t
01719 _dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
01720 {
01721   /* TODO */
01722   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
01723   return TRUE;
01724 }
01725 
01726 
01737 dbus_bool_t
01738 _dbus_concat_dir_and_file (DBusString       *dir,
01739                            const DBusString *next_component)
01740 {
01741   dbus_bool_t dir_ends_in_slash;
01742   dbus_bool_t file_starts_with_slash;
01743 
01744   if (_dbus_string_get_length (dir) == 0 ||
01745       _dbus_string_get_length (next_component) == 0)
01746     return TRUE;
01747 
01748   dir_ends_in_slash =
01749     ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
01750      '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
01751 
01752   file_starts_with_slash =
01753     ('/' == _dbus_string_get_byte (next_component, 0) ||
01754      '\\' == _dbus_string_get_byte (next_component, 0));
01755 
01756   if (dir_ends_in_slash && file_starts_with_slash)
01757     {
01758       _dbus_string_shorten (dir, 1);
01759     }
01760   else if (!(dir_ends_in_slash || file_starts_with_slash))
01761     {
01762       if (!_dbus_string_append_byte (dir, '\\'))
01763         return FALSE;
01764     }
01765 
01766   return _dbus_string_copy (next_component, 0, dir,
01767                             _dbus_string_get_length (dir));
01768 }
01769 
01770 /*---------------- DBusCredentials ----------------------------------*/
01771 
01779 dbus_bool_t
01780 _dbus_credentials_add_from_user (DBusCredentials  *credentials,
01781                                      const DBusString *username)
01782 {
01783   return _dbus_credentials_add_windows_sid (credentials,
01784                     _dbus_string_get_const_data(username));
01785 }
01786 
01795 dbus_bool_t
01796 _dbus_credentials_add_from_current_process (DBusCredentials *credentials)
01797 {
01798   dbus_bool_t retval = FALSE;
01799   char *sid = NULL;
01800 
01801   if (!_dbus_getsid(&sid))
01802     goto failed;
01803 
01804   if (!_dbus_credentials_add_unix_pid(credentials, _dbus_getpid()))
01805     goto failed;
01806 
01807   if (!_dbus_credentials_add_windows_sid (credentials,sid))
01808     goto failed;
01809 
01810   retval = TRUE;
01811   goto end;
01812 failed:
01813   retval = FALSE;
01814 end:
01815   if (sid)
01816     LocalFree(sid);
01817 
01818   return retval;
01819 }
01820 
01833 dbus_bool_t
01834 _dbus_append_user_from_current_process (DBusString *str)
01835 {
01836   dbus_bool_t retval = FALSE;
01837   char *sid = NULL;
01838 
01839   if (!_dbus_getsid(&sid))
01840     return FALSE;
01841 
01842   retval = _dbus_string_append (str,sid);
01843 
01844   LocalFree(sid);
01845   return retval;
01846 }
01847 
01852 dbus_pid_t
01853 _dbus_getpid (void)
01854 {
01855   return GetCurrentProcessId ();
01856 }
01857 
01859 #define NANOSECONDS_PER_SECOND       1000000000
01860 
01861 #define MICROSECONDS_PER_SECOND      1000000
01862 
01863 #define MILLISECONDS_PER_SECOND      1000
01864 
01865 #define NANOSECONDS_PER_MILLISECOND  1000000
01866 
01867 #define MICROSECONDS_PER_MILLISECOND 1000
01868 
01873 void
01874 _dbus_sleep_milliseconds (int milliseconds)
01875 {
01876   Sleep (milliseconds);
01877 }
01878 
01879 
01886 void
01887 _dbus_get_current_time (long *tv_sec,
01888                         long *tv_usec)
01889 {
01890   FILETIME ft;
01891   dbus_uint64_t time64;
01892 
01893   GetSystemTimeAsFileTime (&ft);
01894 
01895   memcpy (&time64, &ft, sizeof (time64));
01896 
01897   /* Convert from 100s of nanoseconds since 1601-01-01
01898   * to Unix epoch. Yes, this is Y2038 unsafe.
01899   */
01900   time64 -= DBUS_INT64_CONSTANT (116444736000000000);
01901   time64 /= 10;
01902 
01903   if (tv_sec)
01904     *tv_sec = time64 / 1000000;
01905 
01906   if (tv_usec)
01907     *tv_usec = time64 % 1000000;
01908 }
01909 
01910 
01914 void
01915 _dbus_disable_sigpipe (void)
01916 {
01917 }
01918 
01927 dbus_bool_t
01928 _dbus_create_directory (const DBusString *filename,
01929                         DBusError        *error)
01930 {
01931   const char *filename_c;
01932 
01933   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
01934 
01935   filename_c = _dbus_string_get_const_data (filename);
01936 
01937   if (!CreateDirectoryA (filename_c, NULL))
01938     {
01939       if (GetLastError () == ERROR_ALREADY_EXISTS)
01940         return TRUE;
01941 
01942       dbus_set_error (error, DBUS_ERROR_FAILED,
01943                       "Failed to create directory %s: %s\n",
01944                       filename_c, _dbus_strerror_from_errno ());
01945       return FALSE;
01946     }
01947   else
01948     return TRUE;
01949 }
01950 
01951 
01960 dbus_bool_t
01961 _dbus_generate_random_bytes (DBusString *str,
01962                              int         n_bytes)
01963 {
01964   int old_len;
01965   char *p;
01966   HCRYPTPROV hprov;
01967 
01968   old_len = _dbus_string_get_length (str);
01969 
01970   if (!_dbus_string_lengthen (str, n_bytes))
01971     return FALSE;
01972 
01973   p = _dbus_string_get_data_len (str, old_len, n_bytes);
01974 
01975   if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
01976     return FALSE;
01977 
01978   if (!CryptGenRandom (hprov, n_bytes, p))
01979     {
01980       CryptReleaseContext (hprov, 0);
01981       return FALSE;
01982     }
01983 
01984   CryptReleaseContext (hprov, 0);
01985 
01986   return TRUE;
01987 }
01988 
01995 const char*
01996 _dbus_get_tmpdir(void)
01997 {
01998   static const char* tmpdir = NULL;
01999   static char buf[1000];
02000 
02001   if (tmpdir == NULL)
02002     {
02003       char *last_slash;
02004 
02005       if (!GetTempPathA (sizeof (buf), buf))
02006         {
02007           _dbus_warn ("GetTempPath failed\n");
02008           _dbus_abort ();
02009         }
02010 
02011       /* Drop terminating backslash or slash */
02012       last_slash = _mbsrchr (buf, '\\');
02013       if (last_slash > buf && last_slash[1] == '\0')
02014         last_slash[0] = '\0';
02015       last_slash = _mbsrchr (buf, '/');
02016       if (last_slash > buf && last_slash[1] == '\0')
02017         last_slash[0] = '\0';
02018 
02019       tmpdir = buf;
02020     }
02021 
02022   _dbus_assert(tmpdir != NULL);
02023 
02024   return tmpdir;
02025 }
02026 
02027 
02036 dbus_bool_t
02037 _dbus_delete_file (const DBusString *filename,
02038                    DBusError        *error)
02039 {
02040   const char *filename_c;
02041 
02042   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
02043 
02044   filename_c = _dbus_string_get_const_data (filename);
02045 
02046   if (DeleteFileA (filename_c) == 0)
02047     {
02048       dbus_set_error (error, DBUS_ERROR_FAILED,
02049                       "Failed to delete file %s: %s\n",
02050                       filename_c, _dbus_strerror_from_errno ());
02051       return FALSE;
02052     }
02053   else
02054     return TRUE;
02055 }
02056 
02057 /* Forward declaration of prototype used in next function */
02058 static dbus_bool_t
02059 _dbus_get_install_root(char *prefix, int len);
02060 
02061 /*
02062  * replaces the term DBUS_PREFIX in configure_time_path by the
02063  * current dbus installation directory. On unix this function is a noop
02064  *
02065  * @param configure_time_path
02066  * @return real path
02067  */
02068 const char *
02069 _dbus_replace_install_prefix (const char *configure_time_path)
02070 {
02071 #ifndef DBUS_PREFIX
02072   return configure_time_path;
02073 #else
02074   static char retval[1000];
02075   static char runtime_prefix[1000];
02076   int len = 1000;
02077   int i;
02078 
02079   if (!configure_time_path)
02080     return NULL;
02081 
02082   if ((!_dbus_get_install_root(runtime_prefix, len) ||
02083        strncmp (configure_time_path, DBUS_PREFIX "/",
02084                 strlen (DBUS_PREFIX) + 1))) {
02085      strcat (retval, configure_time_path);
02086      return retval;
02087   }
02088 
02089   strcpy (retval, runtime_prefix);
02090   strcat (retval, configure_time_path + strlen (DBUS_PREFIX) + 1);
02091 
02092   /* Somehow, in some situations, backslashes get collapsed in the string.
02093    * Since windows C library accepts both forward and backslashes as
02094    * path separators, convert all backslashes to forward slashes.
02095    */
02096 
02097   for(i = 0; retval[i] != '\0'; i++) {
02098     if(retval[i] == '\\')
02099       retval[i] = '/';
02100   }
02101   return retval;
02102 #endif
02103 }
02104 
02105 #if !defined (DBUS_DISABLE_ASSERTS) || defined(DBUS_BUILD_TESTS)
02106 
02107 #if defined(_MSC_VER) || defined(DBUS_WINCE)
02108 # ifdef BACKTRACES
02109 #  undef BACKTRACES
02110 # endif
02111 #else
02112 # define BACKTRACES
02113 #endif
02114 
02115 #ifdef BACKTRACES
02116 /*
02117  * Backtrace Generator
02118  *
02119  * Copyright 2004 Eric Poech
02120  * Copyright 2004 Robert Shearman
02121  *
02122  * This library is free software; you can redistribute it and/or
02123  * modify it under the terms of the GNU Lesser General Public
02124  * License as published by the Free Software Foundation; either
02125  * version 2.1 of the License, or (at your option) any later version.
02126  *
02127  * This library is distributed in the hope that it will be useful,
02128  * but WITHOUT ANY WARRANTY; without even the implied warranty of
02129  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
02130  * Lesser General Public License for more details.
02131  *
02132  * You should have received a copy of the GNU Lesser General Public
02133  * License along with this library; if not, write to the Free Software
02134  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
02135  */
02136 
02137 #include <winver.h>
02138 #include <imagehlp.h>
02139 #include <stdio.h>
02140 
02141 #define DPRINTF _dbus_warn
02142 
02143 #ifdef _MSC_VER
02144 #define BOOL int
02145 
02146 #define __i386__
02147 #endif
02148 
02149 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
02150 
02151 //MAKE_FUNCPTR(StackWalk);
02152 //MAKE_FUNCPTR(SymGetModuleBase);
02153 //MAKE_FUNCPTR(SymFunctionTableAccess);
02154 //MAKE_FUNCPTR(SymInitialize);
02155 //MAKE_FUNCPTR(SymGetSymFromAddr);
02156 //MAKE_FUNCPTR(SymGetModuleInfo);
02157 static BOOL (WINAPI *pStackWalk)(
02158   DWORD MachineType,
02159   HANDLE hProcess,
02160   HANDLE hThread,
02161   LPSTACKFRAME StackFrame,
02162   PVOID ContextRecord,
02163   PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
02164   PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
02165   PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
02166   PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
02167 );
02168 #ifdef _WIN64
02169 static DWORD64 (WINAPI *pSymGetModuleBase)(
02170   HANDLE hProcess,
02171   DWORD64 dwAddr
02172 );
02173 static PVOID  (WINAPI *pSymFunctionTableAccess)(
02174   HANDLE hProcess,
02175   DWORD64 AddrBase
02176 );
02177 #else
02178 static DWORD (WINAPI *pSymGetModuleBase)(
02179   HANDLE hProcess,
02180   DWORD dwAddr
02181 );
02182 static PVOID  (WINAPI *pSymFunctionTableAccess)(
02183   HANDLE hProcess,
02184   DWORD AddrBase
02185 );
02186 #endif
02187 static BOOL  (WINAPI *pSymInitialize)(
02188   HANDLE hProcess,
02189   PSTR UserSearchPath,
02190   BOOL fInvadeProcess
02191 );
02192 static BOOL  (WINAPI *pSymGetSymFromAddr)(
02193   HANDLE hProcess,
02194   DWORD Address,
02195   PDWORD Displacement,
02196   PIMAGEHLP_SYMBOL Symbol
02197 );
02198 static BOOL  (WINAPI *pSymGetModuleInfo)(
02199   HANDLE hProcess,
02200   DWORD dwAddr,
02201   PIMAGEHLP_MODULE ModuleInfo
02202 );
02203 static DWORD  (WINAPI *pSymSetOptions)(
02204   DWORD SymOptions
02205 );
02206 
02207 
02208 static BOOL init_backtrace()
02209 {
02210     HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
02211 /*
02212     #define GETFUNC(x) \
02213     p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
02214     if (!p##x) \
02215     { \
02216         return FALSE; \
02217     }
02218     */
02219 
02220 
02221 //    GETFUNC(StackWalk);
02222 //    GETFUNC(SymGetModuleBase);
02223 //    GETFUNC(SymFunctionTableAccess);
02224 //    GETFUNC(SymInitialize);
02225 //    GETFUNC(SymGetSymFromAddr);
02226 //    GETFUNC(SymGetModuleInfo);
02227 
02228 #define FUNC(x) #x
02229 
02230       pStackWalk = (BOOL  (WINAPI *)(
02231 DWORD MachineType,
02232 HANDLE hProcess,
02233 HANDLE hThread,
02234 LPSTACKFRAME StackFrame,
02235 PVOID ContextRecord,
02236 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
02237 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
02238 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
02239 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
02240 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
02241 #ifdef _WIN64
02242     pSymGetModuleBase=(DWORD64  (WINAPI *)(
02243   HANDLE hProcess,
02244   DWORD64 dwAddr
02245 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
02246     pSymFunctionTableAccess=(PVOID  (WINAPI *)(
02247   HANDLE hProcess,
02248   DWORD64 AddrBase
02249 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
02250 #else
02251     pSymGetModuleBase=(DWORD  (WINAPI *)(
02252   HANDLE hProcess,
02253   DWORD dwAddr
02254 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
02255     pSymFunctionTableAccess=(PVOID  (WINAPI *)(
02256   HANDLE hProcess,
02257   DWORD AddrBase
02258 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
02259 #endif
02260     pSymInitialize = (BOOL  (WINAPI *)(
02261   HANDLE hProcess,
02262   PSTR UserSearchPath,
02263   BOOL fInvadeProcess
02264 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
02265     pSymGetSymFromAddr = (BOOL  (WINAPI *)(
02266   HANDLE hProcess,
02267   DWORD Address,
02268   PDWORD Displacement,
02269   PIMAGEHLP_SYMBOL Symbol
02270 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
02271     pSymGetModuleInfo = (BOOL  (WINAPI *)(
02272   HANDLE hProcess,
02273   DWORD dwAddr,
02274   PIMAGEHLP_MODULE ModuleInfo
02275 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
02276 pSymSetOptions = (DWORD  (WINAPI *)(
02277 DWORD SymOptions
02278 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
02279 
02280 
02281     pSymSetOptions(SYMOPT_UNDNAME);
02282 
02283     pSymInitialize(GetCurrentProcess(), NULL, TRUE);
02284 
02285     return TRUE;
02286 }
02287 
02288 static void dump_backtrace_for_thread(HANDLE hThread)
02289 {
02290     STACKFRAME sf;
02291     CONTEXT context;
02292     DWORD dwImageType;
02293 
02294     if (!pStackWalk)
02295         if (!init_backtrace())
02296             return;
02297 
02298     /* can't use this function for current thread as GetThreadContext
02299      * doesn't support getting context from current thread */
02300     if (hThread == GetCurrentThread())
02301         return;
02302 
02303     DPRINTF("Backtrace:\n");
02304 
02305     _DBUS_ZERO(context);
02306     context.ContextFlags = CONTEXT_FULL;
02307 
02308     SuspendThread(hThread);
02309 
02310     if (!GetThreadContext(hThread, &context))
02311     {
02312         DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
02313         ResumeThread(hThread);
02314         return;
02315     }
02316 
02317     _DBUS_ZERO(sf);
02318 
02319 #ifdef __i386__
02320     sf.AddrFrame.Offset = context.Ebp;
02321     sf.AddrFrame.Mode = AddrModeFlat;
02322     sf.AddrPC.Offset = context.Eip;
02323     sf.AddrPC.Mode = AddrModeFlat;
02324     dwImageType = IMAGE_FILE_MACHINE_I386;
02325 #elif _M_X64
02326   dwImageType                = IMAGE_FILE_MACHINE_AMD64;
02327   sf.AddrPC.Offset    = context.Rip;
02328   sf.AddrPC.Mode      = AddrModeFlat;
02329   sf.AddrFrame.Offset = context.Rsp;
02330   sf.AddrFrame.Mode   = AddrModeFlat;
02331   sf.AddrStack.Offset = context.Rsp;
02332   sf.AddrStack.Mode   = AddrModeFlat;
02333 #elif _M_IA64
02334   dwImageType                 = IMAGE_FILE_MACHINE_IA64;
02335   sf.AddrPC.Offset    = context.StIIP;
02336   sf.AddrPC.Mode      = AddrModeFlat;
02337   sf.AddrFrame.Offset = context.IntSp;
02338   sf.AddrFrame.Mode   = AddrModeFlat;
02339   sf.AddrBStore.Offset= context.RsBSP;
02340   sf.AddrBStore.Mode  = AddrModeFlat;
02341   sf.AddrStack.Offset = context.IntSp;
02342   sf.AddrStack.Mode   = AddrModeFlat;
02343 #else
02344 # error You need to fill in the STACKFRAME structure for your architecture
02345 #endif
02346 
02347     while (pStackWalk(dwImageType, GetCurrentProcess(),
02348                      hThread, &sf, &context, NULL, pSymFunctionTableAccess,
02349                      pSymGetModuleBase, NULL))
02350     {
02351         BYTE buffer[256];
02352         IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
02353         DWORD dwDisplacement;
02354 
02355         pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
02356         pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
02357 
02358         if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
02359                                 &dwDisplacement, pSymbol))
02360         {
02361             IMAGEHLP_MODULE ModuleInfo;
02362             ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
02363 
02364             if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
02365                                    &ModuleInfo))
02366                 DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
02367             else
02368                 DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
02369                     sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
02370         }
02371         else if (dwDisplacement)
02372             DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
02373         else
02374             DPRINTF("4\t%s\n", pSymbol->Name);
02375     }
02376 
02377     ResumeThread(hThread);
02378 }
02379 
02380 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
02381 {
02382     dump_backtrace_for_thread((HANDLE)lpParameter);
02383     return 0;
02384 }
02385 
02386 /* cannot get valid context from current thread, so we have to execute
02387  * backtrace from another thread */
02388 static void dump_backtrace()
02389 {
02390     HANDLE hCurrentThread;
02391     HANDLE hThread;
02392     DWORD dwThreadId;
02393     DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
02394         GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
02395     hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
02396         0, &dwThreadId);
02397     WaitForSingleObject(hThread, INFINITE);
02398     CloseHandle(hThread);
02399     CloseHandle(hCurrentThread);
02400 }
02401 #endif
02402 #endif /* asserts or tests enabled */
02403 
02404 #ifdef BACKTRACES
02405 void _dbus_print_backtrace(void)
02406 {
02407   init_backtrace();
02408   dump_backtrace();
02409 }
02410 #else
02411 void _dbus_print_backtrace(void)
02412 {
02413   _dbus_verbose ("  D-Bus not compiled with backtrace support\n");
02414 }
02415 #endif
02416 
02417 static dbus_uint32_t fromAscii(char ascii)
02418 {
02419     if(ascii >= '0' && ascii <= '9')
02420         return ascii - '0';
02421     if(ascii >= 'A' && ascii <= 'F')
02422         return ascii - 'A' + 10;
02423     if(ascii >= 'a' && ascii <= 'f')
02424         return ascii - 'a' + 10;
02425     return 0;    
02426 }
02427 
02428 dbus_bool_t _dbus_read_local_machine_uuid   (DBusGUID         *machine_id,
02429                                              dbus_bool_t       create_if_not_found,
02430                                              DBusError        *error)
02431 {
02432 #ifdef DBUS_WINCE
02433         return TRUE;
02434   // TODO
02435 #else
02436     HW_PROFILE_INFOA info;
02437     char *lpc = &info.szHwProfileGuid[0];
02438     dbus_uint32_t u;
02439 
02440     //  the hw-profile guid lives long enough
02441     if(!GetCurrentHwProfileA(&info))
02442       {
02443         dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
02444         return FALSE;  
02445       }
02446 
02447     // Form: {12340001-4980-1920-6788-123456789012}
02448     lpc++;
02449     // 12340001
02450     u = ((fromAscii(lpc[0]) <<  0) |
02451          (fromAscii(lpc[1]) <<  4) |
02452          (fromAscii(lpc[2]) <<  8) |
02453          (fromAscii(lpc[3]) << 12) |
02454          (fromAscii(lpc[4]) << 16) |
02455          (fromAscii(lpc[5]) << 20) |
02456          (fromAscii(lpc[6]) << 24) |
02457          (fromAscii(lpc[7]) << 28));
02458     machine_id->as_uint32s[0] = u;
02459 
02460     lpc += 9;
02461     // 4980-1920
02462     u = ((fromAscii(lpc[0]) <<  0) |
02463          (fromAscii(lpc[1]) <<  4) |
02464          (fromAscii(lpc[2]) <<  8) |
02465          (fromAscii(lpc[3]) << 12) |
02466          (fromAscii(lpc[5]) << 16) |
02467          (fromAscii(lpc[6]) << 20) |
02468          (fromAscii(lpc[7]) << 24) |
02469          (fromAscii(lpc[8]) << 28));
02470     machine_id->as_uint32s[1] = u;
02471     
02472     lpc += 10;
02473     // 6788-1234
02474     u = ((fromAscii(lpc[0]) <<  0) |
02475          (fromAscii(lpc[1]) <<  4) |
02476          (fromAscii(lpc[2]) <<  8) |
02477          (fromAscii(lpc[3]) << 12) |
02478          (fromAscii(lpc[5]) << 16) |
02479          (fromAscii(lpc[6]) << 20) |
02480          (fromAscii(lpc[7]) << 24) |
02481          (fromAscii(lpc[8]) << 28));
02482     machine_id->as_uint32s[2] = u;
02483     
02484     lpc += 9;
02485     // 56789012
02486     u = ((fromAscii(lpc[0]) <<  0) |
02487          (fromAscii(lpc[1]) <<  4) |
02488          (fromAscii(lpc[2]) <<  8) |
02489          (fromAscii(lpc[3]) << 12) |
02490          (fromAscii(lpc[4]) << 16) |
02491          (fromAscii(lpc[5]) << 20) |
02492          (fromAscii(lpc[6]) << 24) |
02493          (fromAscii(lpc[7]) << 28));
02494     machine_id->as_uint32s[3] = u;
02495 #endif
02496     return TRUE;
02497 }
02498 
02499 static
02500 HANDLE _dbus_global_lock (const char *mutexname)
02501 {
02502   HANDLE mutex;
02503   DWORD gotMutex;
02504 
02505   mutex = CreateMutexA( NULL, FALSE, mutexname );
02506   if( !mutex )
02507     {
02508       return FALSE;
02509     }
02510 
02511    gotMutex = WaitForSingleObject( mutex, INFINITE );
02512    switch( gotMutex )
02513      {
02514        case WAIT_ABANDONED:
02515                ReleaseMutex (mutex);
02516                CloseHandle (mutex);
02517                return 0;
02518        case WAIT_FAILED:
02519        case WAIT_TIMEOUT:
02520                return 0;
02521      }
02522 
02523    return mutex;
02524 }
02525 
02526 static
02527 void _dbus_global_unlock (HANDLE mutex)
02528 {
02529   ReleaseMutex (mutex);
02530   CloseHandle (mutex); 
02531 }
02532 
02533 // for proper cleanup in dbus-daemon
02534 static HANDLE hDBusDaemonMutex = NULL;
02535 static HANDLE hDBusSharedMem = NULL;
02536 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
02537 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
02538 // sync _dbus_get_autolaunch_address
02539 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
02540 // mutex to determine if dbus-daemon is already started (per user)
02541 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
02542 // named shm for dbus adress info (per user)
02543 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
02544 
02545 dbus_bool_t
02546 _dbus_get_install_root(char *prefix, int len);
02547 
02548 static dbus_bool_t
02549 _dbus_get_install_root_as_hash(DBusString *out)
02550 {
02551     DBusString install_path;
02552 
02553     char path[MAX_PATH*2];
02554     int path_size = sizeof(path);
02555 
02556     if (!_dbus_get_install_root(path,path_size))
02557         return FALSE;
02558 
02559     _dbus_string_init(&install_path);
02560     _dbus_string_append(&install_path,path);
02561 
02562     _dbus_string_init(out);
02563     _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
02564 
02565     if (!_dbus_sha_compute (&install_path, out))
02566         return FALSE;
02567 
02568     return TRUE;
02569 }
02570 
02571 static dbus_bool_t
02572 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
02573 {
02574   _dbus_string_init(out);
02575   _dbus_string_append(out,basestring);
02576 
02577   if (!scope)
02578     {
02579       return TRUE;
02580     }
02581   else if (strcmp(scope,"*install-path") == 0
02582         // for 1.3 compatibility
02583         || strcmp(scope,"install-path") == 0)
02584     {
02585       DBusString temp;
02586       if (!_dbus_get_install_root_as_hash(&temp))
02587         {
02588           _dbus_string_free(out);
02589            return FALSE;
02590         }
02591       _dbus_string_append(out,"-");
02592       _dbus_string_append(out,_dbus_string_get_const_data(&temp));
02593       _dbus_string_free(&temp);
02594     }
02595   else if (strcmp(scope,"*user") == 0)
02596     {
02597       _dbus_string_append(out,"-");
02598       if (!_dbus_append_user_from_current_process(out))
02599         {
02600            _dbus_string_free(out);
02601            return FALSE;
02602         }
02603     }
02604   else if (strlen(scope) > 0)
02605     {
02606       _dbus_string_append(out,"-");
02607       _dbus_string_append(out,scope);
02608       return TRUE;
02609     }
02610   return TRUE;
02611 }
02612 
02613 static dbus_bool_t
02614 _dbus_get_shm_name (DBusString *out,const char *scope)
02615 {
02616   return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
02617 }
02618 
02619 static dbus_bool_t
02620 _dbus_get_mutex_name (DBusString *out,const char *scope)
02621 {
02622   return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
02623 }
02624 
02625 dbus_bool_t
02626 _dbus_daemon_is_session_bus_address_published (const char *scope)
02627 {
02628   HANDLE lock;
02629   HANDLE mutex;
02630   DBusString mutex_name;
02631   DWORD ret;
02632 
02633   if (!_dbus_get_mutex_name(&mutex_name,scope))
02634     {
02635       _dbus_string_free( &mutex_name );
02636       return FALSE;
02637     }
02638 
02639   if (hDBusDaemonMutex)
02640       return TRUE;
02641 
02642   // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
02643   lock = _dbus_global_lock( cUniqueDBusInitMutex );
02644 
02645   // we use CreateMutex instead of OpenMutex because of possible race conditions,
02646   // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
02647   hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
02648 
02649   _dbus_global_unlock( lock );
02650 
02651   _dbus_string_free( &mutex_name );
02652 
02653   if (hDBusDaemonMutex  == NULL)
02654       return FALSE;
02655   if (GetLastError() == ERROR_ALREADY_EXISTS)
02656     {
02657       CloseHandle(hDBusDaemonMutex);
02658       hDBusDaemonMutex = NULL;
02659       return TRUE;
02660     }
02661   // mutex wasn't created before, so return false.
02662   // We leave the mutex name allocated for later reusage
02663   // in _dbus_daemon_publish_session_bus_address.
02664   return FALSE;
02665 }
02666 
02667 dbus_bool_t
02668 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
02669 {
02670   HANDLE lock;
02671   char *shared_addr = NULL;
02672   DWORD ret;
02673   char addressInfo[1024];
02674   DBusString shm_name;
02675   DBusString mutex_name;
02676 
02677   _dbus_assert (address);
02678 
02679   if (!_dbus_get_mutex_name(&mutex_name,scope))
02680     {
02681       _dbus_string_free( &mutex_name );
02682       return FALSE;
02683     }
02684 
02685   // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
02686   lock = _dbus_global_lock( cUniqueDBusInitMutex );
02687 
02688   if (!hDBusDaemonMutex)
02689     {
02690       hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
02691     }
02692   _dbus_string_free( &mutex_name );
02693 
02694   if (!_dbus_get_shm_name(&shm_name,scope))
02695     {
02696       _dbus_string_free( &shm_name );
02697       _dbus_global_unlock( lock );
02698       return FALSE;
02699     }
02700 
02701   // create shm
02702   hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
02703                                        0, strlen( address ) + 1, _dbus_string_get_const_data(&shm_name) );
02704   _dbus_assert( hDBusSharedMem );
02705 
02706   shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
02707 
02708   _dbus_assert (shared_addr);
02709 
02710   strcpy( shared_addr, address);
02711 
02712   // cleanup
02713   UnmapViewOfFile( shared_addr );
02714 
02715   _dbus_global_unlock( lock );
02716   _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
02717 
02718   _dbus_string_free( &shm_name );
02719   return TRUE;
02720 }
02721 
02722 void
02723 _dbus_daemon_unpublish_session_bus_address (void)
02724 {
02725   HANDLE lock;
02726 
02727   // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
02728   lock = _dbus_global_lock( cUniqueDBusInitMutex );
02729 
02730   CloseHandle( hDBusSharedMem );
02731 
02732   hDBusSharedMem = NULL;
02733 
02734   ReleaseMutex( hDBusDaemonMutex );
02735 
02736   CloseHandle( hDBusDaemonMutex );
02737 
02738   hDBusDaemonMutex = NULL;
02739 
02740   _dbus_global_unlock( lock );
02741 }
02742 
02743 static dbus_bool_t
02744 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
02745 {
02746   HANDLE sharedMem;
02747   char *shared_addr;
02748   int i;
02749 
02750   // read shm
02751   for(i=0;i<20;++i) {
02752       // we know that dbus-daemon is available, so we wait until shm is available
02753       sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
02754       if( sharedMem == 0 )
02755           Sleep( 100 );
02756       if ( sharedMem != 0)
02757           break;
02758   }
02759 
02760   if( sharedMem == 0 )
02761       return FALSE;
02762 
02763   shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
02764 
02765   if( !shared_addr )
02766       return FALSE;
02767 
02768   _dbus_string_init( address );
02769 
02770   _dbus_string_append( address, shared_addr );
02771 
02772   // cleanup
02773   UnmapViewOfFile( shared_addr );
02774 
02775   CloseHandle( sharedMem );
02776 
02777   return TRUE;
02778 }
02779 
02780 static dbus_bool_t
02781 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
02782 {
02783   HANDLE lock;
02784   HANDLE daemon;
02785   DBusString mutex_name;
02786   dbus_bool_t bRet = TRUE;
02787 
02788   if (!_dbus_get_mutex_name(&mutex_name,scope))
02789     {
02790       _dbus_string_free( &mutex_name );
02791       return FALSE;
02792     }
02793 
02794   // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
02795   lock = _dbus_global_lock( cUniqueDBusInitMutex );
02796 
02797   // do checks
02798   daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
02799   if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
02800     {
02801       ReleaseMutex (daemon);
02802       CloseHandle (daemon);
02803 
02804       _dbus_global_unlock( lock );
02805       _dbus_string_free( &mutex_name );
02806       return FALSE;
02807     }
02808 
02809   // read shm
02810   bRet = _dbus_get_autolaunch_shm( address, shm_name );
02811 
02812   // cleanup
02813   CloseHandle ( daemon );
02814 
02815   _dbus_global_unlock( lock );
02816   _dbus_string_free( &mutex_name );
02817 
02818   return bRet;
02819 }
02820 
02821 dbus_bool_t
02822 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
02823                               DBusError *error)
02824 {
02825   HANDLE mutex;
02826   STARTUPINFOA si;
02827   PROCESS_INFORMATION pi;
02828   dbus_bool_t retval = FALSE;
02829   LPSTR lpFile;
02830   char dbus_exe_path[MAX_PATH];
02831   char dbus_args[MAX_PATH * 2];
02832   const char * daemon_name = DBUS_DAEMON_NAME ".exe";
02833   DBusString shm_name;
02834 
02835   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
02836 
02837   if (!_dbus_get_shm_name(&shm_name,scope))
02838     {
02839         dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
02840         return FALSE;
02841     }
02842 
02843   mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
02844 
02845   if (_dbus_daemon_already_runs(address,&shm_name,scope))
02846     {
02847         _dbus_verbose( "found running dbus daemon at %s\n",
02848                        _dbus_string_get_const_data (&shm_name) );
02849         retval = TRUE;
02850         goto out;
02851     }
02852 
02853   if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
02854     {
02855       printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
02856       printf ("or start the daemon manually\n\n");
02857       goto out;
02858     }
02859 
02860   // Create process
02861   ZeroMemory( &si, sizeof(si) );
02862   si.cb = sizeof(si);
02863   ZeroMemory( &pi, sizeof(pi) );
02864 
02865   _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path,  " --session");
02866 
02867 //  argv[i] = "--config-file=bus\\session.conf";
02868 //  printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
02869   if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
02870     {
02871       CloseHandle (pi.hThread);
02872       CloseHandle (pi.hProcess);
02873       retval = _dbus_get_autolaunch_shm( address, &shm_name );
02874       if (retval == FALSE)
02875         dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
02876     }
02877   else
02878     {
02879       dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
02880       retval = FALSE;
02881     }
02882 
02883 out:
02884   if (retval)
02885     _DBUS_ASSERT_ERROR_IS_CLEAR (error);
02886   else
02887     _DBUS_ASSERT_ERROR_IS_SET (error);
02888   
02889   _dbus_global_unlock (mutex);
02890 
02891   return retval;
02892  }
02893 
02894 
02901 dbus_bool_t
02902 _dbus_make_file_world_readable(const DBusString *filename,
02903                                DBusError *error)
02904 {
02905   // TODO
02906   return TRUE;
02907 }
02908 
02915 static const char *
02916 _dbus_windows_get_datadir (void)
02917 {
02918         return _dbus_replace_install_prefix(DBUS_DATADIR);
02919 }
02920 
02921 #undef DBUS_DATADIR
02922 #define DBUS_DATADIR _dbus_windows_get_datadir ()
02923 
02924 
02925 #define DBUS_STANDARD_SESSION_SERVICEDIR "/dbus-1/services"
02926 #define DBUS_STANDARD_SYSTEM_SERVICEDIR "/dbus-1/system-services"
02927 
02944 dbus_bool_t 
02945 _dbus_get_standard_session_servicedirs (DBusList **dirs)
02946 {
02947   const char *common_progs;
02948   DBusString servicedir_path;
02949 
02950   if (!_dbus_string_init (&servicedir_path))
02951     return FALSE;
02952 
02953 #ifdef DBUS_WINCE
02954   {
02955     /* On Windows CE, we adjust datadir dynamically to installation location.  */
02956     const char *data_dir = _dbus_getenv ("DBUS_DATADIR");
02957 
02958     if (data_dir != NULL)
02959       {
02960         if (!_dbus_string_append (&servicedir_path, data_dir))
02961           goto oom;
02962         
02963         if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
02964           goto oom;
02965       }
02966   }
02967 #else
02968 /*
02969  the code for accessing services requires absolute base pathes
02970  in case DBUS_DATADIR is relative make it absolute
02971 */
02972 #ifdef DBUS_WIN
02973   {
02974     DBusString p;
02975 
02976     _dbus_string_init_const (&p, DBUS_DATADIR);
02977 
02978     if (!_dbus_path_is_absolute (&p))
02979       {
02980         char install_root[1000];
02981         if (_dbus_get_install_root (install_root, sizeof(install_root)))
02982           if (!_dbus_string_append (&servicedir_path, install_root))
02983             goto oom;
02984       }
02985   }
02986 #endif
02987   if (!_dbus_string_append (&servicedir_path, DBUS_DATADIR))
02988     goto oom;
02989 
02990   if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
02991     goto oom;
02992 #endif
02993 
02994   common_progs = _dbus_getenv ("CommonProgramFiles");
02995 
02996   if (common_progs != NULL)
02997     {
02998       if (!_dbus_string_append (&servicedir_path, common_progs))
02999         goto oom;
03000 
03001       if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
03002         goto oom;
03003     }
03004 
03005   if (!_dbus_split_paths_and_append (&servicedir_path, 
03006                                DBUS_STANDARD_SESSION_SERVICEDIR, 
03007                                dirs))
03008     goto oom;
03009 
03010   _dbus_string_free (&servicedir_path);  
03011   return TRUE;
03012 
03013  oom:
03014   _dbus_string_free (&servicedir_path);
03015   return FALSE;
03016 }
03017 
03036 dbus_bool_t
03037 _dbus_get_standard_system_servicedirs (DBusList **dirs)
03038 {
03039   *dirs = NULL;
03040   return TRUE;
03041 }
03042 
03043 _DBUS_DEFINE_GLOBAL_LOCK (atomic);
03044 
03052 dbus_int32_t
03053 _dbus_atomic_inc (DBusAtomic *atomic)
03054 {
03055   // +/- 1 is needed here!
03056   // no volatile argument with mingw
03057   return InterlockedIncrement (&atomic->value) - 1;
03058 }
03059 
03067 dbus_int32_t
03068 _dbus_atomic_dec (DBusAtomic *atomic)
03069 {
03070   // +/- 1 is needed here!
03071   // no volatile argument with mingw
03072   return InterlockedDecrement (&atomic->value) + 1;
03073 }
03074 
03082 void
03083 _dbus_flush_caches (void)
03084 {
03085 }
03086 
03093 dbus_bool_t
03094 _dbus_get_is_errno_eagain_or_ewouldblock (void)
03095 {
03096   return errno == WSAEWOULDBLOCK;
03097 }
03098 
03106 static dbus_bool_t
03107 _dbus_get_install_root(char *prefix, int len)
03108 {
03109     //To find the prefix, we cut the filename and also \bin\ if present
03110     char* p = 0;
03111     int i;
03112     DWORD pathLength;
03113     char *lastSlash;
03114     SetLastError( 0 );
03115     pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
03116     if ( pathLength == 0 || GetLastError() != 0 ) {
03117         *prefix = '\0';
03118         return FALSE;
03119     }
03120     lastSlash = _mbsrchr(prefix, '\\');
03121     if (lastSlash == NULL) {
03122         *prefix = '\0';
03123         return FALSE;
03124     }
03125     //cut off binary name
03126     lastSlash[1] = 0;
03127 
03128     //cut possible "\\bin"
03129 
03130     //this fails if we are in a double-byte system codepage and the
03131     //folder's name happens to end with the *bytes*
03132     //"\\bin"... (I.e. the second byte of some Han character and then
03133     //the Latin "bin", but that is not likely I think...
03134     if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
03135         lastSlash[-3] = 0;
03136     else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
03137         lastSlash[-9] = 0;
03138     else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
03139         lastSlash[-11] = 0;
03140 
03141     return TRUE;
03142 }
03143 
03157 dbus_bool_t 
03158 _dbus_get_config_file_name(DBusString *config_file, char *s)
03159 {
03160   char path[MAX_PATH*2];
03161   int path_size = sizeof(path);
03162 
03163   if (!_dbus_get_install_root(path,path_size))
03164     return FALSE;
03165 
03166   if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
03167     return FALSE;
03168   strcat(path,"etc\\");
03169   strcat(path,s);
03170   if (_dbus_file_exists(path)) 
03171     {
03172       // find path from executable 
03173       if (!_dbus_string_append (config_file, path))
03174         return FALSE;
03175     }
03176   else 
03177     {
03178       if (!_dbus_get_install_root(path,path_size))
03179         return FALSE;
03180       if(strlen(s) + 11 + strlen(path) > sizeof(path)-2)
03181         return FALSE;
03182       strcat(path,"etc\\dbus-1\\");
03183       strcat(path,s);
03184   
03185       if (_dbus_file_exists(path)) 
03186         {
03187           if (!_dbus_string_append (config_file, path))
03188             return FALSE;
03189         }
03190       else
03191         {
03192           if (!_dbus_get_install_root(path,path_size))
03193             return FALSE;
03194           if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
03195             return FALSE;
03196           strcat(path,"bus\\");
03197           strcat(path,s);
03198           
03199           if (_dbus_file_exists(path)) 
03200             {
03201               if (!_dbus_string_append (config_file, path))
03202                 return FALSE;
03203             }
03204         }
03205     }
03206   return TRUE;
03207 }    
03208 
03217 dbus_bool_t
03218 _dbus_append_system_config_file (DBusString *str)
03219 {
03220   return _dbus_get_config_file_name(str, "system.conf");
03221 }
03222 
03229 dbus_bool_t
03230 _dbus_append_session_config_file (DBusString *str)
03231 {
03232   return _dbus_get_config_file_name(str, "session.conf");
03233 }
03234 
03235 /* See comment in dbus-sysdeps-unix.c */
03236 dbus_bool_t
03237 _dbus_lookup_session_address (dbus_bool_t *supported,
03238                               DBusString  *address,
03239                               DBusError   *error)
03240 {
03241   /* Probably fill this in with something based on COM? */
03242   *supported = FALSE;
03243   return TRUE;
03244 }
03245 
03259 dbus_bool_t
03260 _dbus_append_keyring_directory_for_credentials (DBusString      *directory,
03261                                                 DBusCredentials *credentials)
03262 {
03263   DBusString homedir;
03264   DBusString dotdir;
03265   dbus_uid_t uid;
03266   const char *homepath;
03267   const char *homedrive;
03268 
03269   _dbus_assert (credentials != NULL);
03270   _dbus_assert (!_dbus_credentials_are_anonymous (credentials));
03271   
03272   if (!_dbus_string_init (&homedir))
03273     return FALSE;
03274 
03275   homedrive = _dbus_getenv("HOMEDRIVE");
03276   if (homedrive != NULL && *homedrive != '\0')
03277     {
03278       _dbus_string_append(&homedir,homedrive);
03279     }
03280 
03281   homepath = _dbus_getenv("HOMEPATH");
03282   if (homepath != NULL && *homepath != '\0')
03283     {
03284       _dbus_string_append(&homedir,homepath);
03285     }
03286   
03287 #ifdef DBUS_BUILD_TESTS
03288   {
03289     const char *override;
03290     
03291     override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
03292     if (override != NULL && *override != '\0')
03293       {
03294         _dbus_string_set_length (&homedir, 0);
03295         if (!_dbus_string_append (&homedir, override))
03296           goto failed;
03297 
03298         _dbus_verbose ("Using fake homedir for testing: %s\n",
03299                        _dbus_string_get_const_data (&homedir));
03300       }
03301     else
03302       {
03303         static dbus_bool_t already_warned = FALSE;
03304         if (!already_warned)
03305           {
03306             _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
03307             already_warned = TRUE;
03308           }
03309       }
03310   }
03311 #endif
03312 
03313 #ifdef DBUS_WINCE
03314   /* It's not possible to create a .something directory in Windows CE
03315      using the file explorer.  */
03316 #define KEYRING_DIR "dbus-keyrings"
03317 #else
03318 #define KEYRING_DIR ".dbus-keyrings"
03319 #endif
03320 
03321   _dbus_string_init_const (&dotdir, KEYRING_DIR);
03322   if (!_dbus_concat_dir_and_file (&homedir,
03323                                   &dotdir))
03324     goto failed;
03325   
03326   if (!_dbus_string_copy (&homedir, 0,
03327                           directory, _dbus_string_get_length (directory))) {
03328     goto failed;
03329   }
03330 
03331   _dbus_string_free (&homedir);
03332   return TRUE;
03333   
03334  failed: 
03335   _dbus_string_free (&homedir);
03336   return FALSE;
03337 }
03338 
03344 dbus_bool_t 
03345 _dbus_file_exists (const char *file)
03346 {
03347   DWORD attributes = GetFileAttributesA (file);
03348 
03349   if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
03350     return TRUE;
03351   else
03352     return FALSE;  
03353 }
03354 
03362 const char*
03363 _dbus_strerror (int error_number)
03364 {
03365 #ifdef DBUS_WINCE
03366   // TODO
03367   return "unknown";
03368 #else
03369   const char *msg;
03370 
03371   switch (error_number)
03372     {
03373     case WSAEINTR:
03374       return "Interrupted function call";
03375     case WSAEACCES:
03376       return "Permission denied";
03377     case WSAEFAULT:
03378       return "Bad address";
03379     case WSAEINVAL:
03380       return "Invalid argument";
03381     case WSAEMFILE:
03382       return "Too many open files";
03383     case WSAEWOULDBLOCK:
03384       return "Resource temporarily unavailable";
03385     case WSAEINPROGRESS:
03386       return "Operation now in progress";
03387     case WSAEALREADY:
03388       return "Operation already in progress";
03389     case WSAENOTSOCK:
03390       return "Socket operation on nonsocket";
03391     case WSAEDESTADDRREQ:
03392       return "Destination address required";
03393     case WSAEMSGSIZE:
03394       return "Message too long";
03395     case WSAEPROTOTYPE:
03396       return "Protocol wrong type for socket";
03397     case WSAENOPROTOOPT:
03398       return "Bad protocol option";
03399     case WSAEPROTONOSUPPORT:
03400       return "Protocol not supported";
03401     case WSAESOCKTNOSUPPORT:
03402       return "Socket type not supported";
03403     case WSAEOPNOTSUPP:
03404       return "Operation not supported";
03405     case WSAEPFNOSUPPORT:
03406       return "Protocol family not supported";
03407     case WSAEAFNOSUPPORT:
03408       return "Address family not supported by protocol family";
03409     case WSAEADDRINUSE:
03410       return "Address already in use";
03411     case WSAEADDRNOTAVAIL:
03412       return "Cannot assign requested address";
03413     case WSAENETDOWN:
03414       return "Network is down";
03415     case WSAENETUNREACH:
03416       return "Network is unreachable";
03417     case WSAENETRESET:
03418       return "Network dropped connection on reset";
03419     case WSAECONNABORTED:
03420       return "Software caused connection abort";
03421     case WSAECONNRESET:
03422       return "Connection reset by peer";
03423     case WSAENOBUFS:
03424       return "No buffer space available";
03425     case WSAEISCONN:
03426       return "Socket is already connected";
03427     case WSAENOTCONN:
03428       return "Socket is not connected";
03429     case WSAESHUTDOWN:
03430       return "Cannot send after socket shutdown";
03431     case WSAETIMEDOUT:
03432       return "Connection timed out";
03433     case WSAECONNREFUSED:
03434       return "Connection refused";
03435     case WSAEHOSTDOWN:
03436       return "Host is down";
03437     case WSAEHOSTUNREACH:
03438       return "No route to host";
03439     case WSAEPROCLIM:
03440       return "Too many processes";
03441     case WSAEDISCON:
03442       return "Graceful shutdown in progress";
03443     case WSATYPE_NOT_FOUND:
03444       return "Class type not found";
03445     case WSAHOST_NOT_FOUND:
03446       return "Host not found";
03447     case WSATRY_AGAIN:
03448       return "Nonauthoritative host not found";
03449     case WSANO_RECOVERY:
03450       return "This is a nonrecoverable error";
03451     case WSANO_DATA:
03452       return "Valid name, no data record of requested type";
03453     case WSA_INVALID_HANDLE:
03454       return "Specified event object handle is invalid";
03455     case WSA_INVALID_PARAMETER:
03456       return "One or more parameters are invalid";
03457     case WSA_IO_INCOMPLETE:
03458       return "Overlapped I/O event object not in signaled state";
03459     case WSA_IO_PENDING:
03460       return "Overlapped operations will complete later";
03461     case WSA_NOT_ENOUGH_MEMORY:
03462       return "Insufficient memory available";
03463     case WSA_OPERATION_ABORTED:
03464       return "Overlapped operation aborted";
03465 #ifdef WSAINVALIDPROCTABLE
03466 
03467     case WSAINVALIDPROCTABLE:
03468       return "Invalid procedure table from service provider";
03469 #endif
03470 #ifdef WSAINVALIDPROVIDER
03471 
03472     case WSAINVALIDPROVIDER:
03473       return "Invalid service provider version number";
03474 #endif
03475 #ifdef WSAPROVIDERFAILEDINIT
03476 
03477     case WSAPROVIDERFAILEDINIT:
03478       return "Unable to initialize a service provider";
03479 #endif
03480 
03481     case WSASYSCALLFAILURE:
03482       return "System call failure";
03483     }
03484   msg = strerror (error_number);
03485   if (msg == NULL)
03486     msg = "unknown";
03487 
03488   return msg;
03489 #endif //DBUS_WINCE
03490 }
03491 
03499 void
03500 _dbus_win_set_error_from_win_error (DBusError *error,
03501                                     int        code)
03502 {
03503   char *msg;
03504 
03505   /* As we want the English message, use the A API */
03506   FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
03507                   FORMAT_MESSAGE_IGNORE_INSERTS |
03508                   FORMAT_MESSAGE_FROM_SYSTEM,
03509                   NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
03510                   (LPSTR) &msg, 0, NULL);
03511   if (msg)
03512     {
03513       char *msg_copy;
03514 
03515       msg_copy = dbus_malloc (strlen (msg));
03516       strcpy (msg_copy, msg);
03517       LocalFree (msg);
03518 
03519       dbus_set_error (error, "win32.error", "%s", msg_copy);
03520     }
03521   else
03522     dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
03523 }
03524 
03525 void
03526 _dbus_win_warn_win_error (const char *message,
03527                           int         code)
03528 {
03529   DBusError error;
03530 
03531   dbus_error_init (&error);
03532   _dbus_win_set_error_from_win_error (&error, code);
03533   _dbus_warn ("%s: %s\n", message, error.message);
03534   dbus_error_free (&error);
03535 }
03536 
03544 dbus_bool_t
03545 _dbus_delete_directory (const DBusString *filename,
03546                         DBusError        *error)
03547 {
03548   const char *filename_c;
03549 
03550   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
03551 
03552   filename_c = _dbus_string_get_const_data (filename);
03553 
03554   if (RemoveDirectoryA (filename_c) == 0)
03555     {
03556       char *emsg = _dbus_win_error_string (GetLastError ());
03557       dbus_set_error (error, _dbus_win_error_from_last_error (),
03558                       "Failed to remove directory %s: %s",
03559                       filename_c, emsg);
03560       _dbus_win_free_error_string (emsg);
03561       return FALSE;
03562     }
03563 
03564   return TRUE;
03565 }
03566 
03568 /* tests in dbus-sysdeps-util.c */
03569