197 lines
6.6 KiB
C++
197 lines
6.6 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: gibralt.cxx
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//
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// Contents: Abstraction of the interface to gibraltar
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//
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// History: 96/Jan/3 DwightKr Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <gibralt.hxx>
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#include <cgiesc.hxx>
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//+---------------------------------------------------------------------------
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//
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// Member: CWebServer::GetPhysicalPath - public
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//
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// Synopsis: Converts a virtual path to a physical path
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//
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// Arguments: [wcsVirtualPath] - virtual path to convert
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// [wcsPhysicalPath] - resulting physical path
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// [cwcPhysicalPath] - length of string
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// [dwAccessMask] - HSE_URL_FLAGS_* required,
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// or 0 for any access
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//
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// Returns: Flags for the virtual path (HSE_URL_FLAGS_*)
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//
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// History: 96/Feb/29 DwightKr Created.
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//
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//----------------------------------------------------------------------------
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DWORD CWebServer::GetPhysicalPath(
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WCHAR const * wcsVirtualPath,
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WCHAR * wcsPhysicalPath,
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ULONG cwcPhysicalPath,
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DWORD dwAccessMask )
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{
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Win4Assert( 0 != wcsVirtualPath );
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ULONG cwcVirtualPath = wcslen( wcsVirtualPath ) + 1;
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//
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// We only support paths up to MAX_PATH for now
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//
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if ( cwcVirtualPath >= ( MAX_PATH - 1 ) )
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THROW( CException( QUTIL_E_CANT_CONVERT_VROOT ) );
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CHAR pszVirtualPath[_MAX_PATH];
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ULONG cbVirtualPath = _MAX_PATH;
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ULONG cbConverted = ::WideCharToMultiByte( _codePage,
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WC_COMPOSITECHECK,
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wcsVirtualPath,
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cwcVirtualPath,
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(CHAR *) pszVirtualPath,
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cbVirtualPath,
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NULL,
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NULL );
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HSE_URL_MAPEX_INFO MapInfo;
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DWORD cbMappedPath = sizeof pszVirtualPath;
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//
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// Note: if the mapped path is >= MAX_PATH the function succeeds and
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// truncates the physical path without null-terminating it. But
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// the mapped size is > MAX_PATH, so key off that to check for overflow.
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//
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if ( (0 == cbConverted) ||
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( !_pEcb->ServerSupportFunction( _pEcb->ConnID,
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HSE_REQ_MAP_URL_TO_PATH_EX,
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pszVirtualPath,
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&cbMappedPath,
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(PDWORD) &MapInfo ) ) ||
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( cbMappedPath >= ( _MAX_PATH - 1 ) ) ||
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( ( 0 != dwAccessMask ) &&
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( 0 == ( dwAccessMask & MapInfo.dwFlags ) ) )
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)
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{
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//
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// We could not translate the virtual path to a real path,
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// or the access permissions didn't match, so this must be a
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// bogus virtual path.
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//
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qutilDebugOut(( DEB_ERROR,
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"Could not translate vpath=>ppath, mask 0x%x, flags 0x%x, '%ws'\n",
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dwAccessMask, MapInfo.dwFlags, wcsVirtualPath ));
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THROW( CException( QUTIL_E_CANT_CONVERT_VROOT ) );
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}
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if ( 0 == MultiByteToWideChar( _codePage,
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0,
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MapInfo.lpszPath,
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strlen( MapInfo.lpszPath) + 1,
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wcsPhysicalPath,
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cwcPhysicalPath) )
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{
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//
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// We could not translate the ASCII string to WCHAR
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//
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qutilDebugOut(( DEB_ERROR,
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"Gibraltar could not convert ppath to unicode '%ws'\n",
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wcsVirtualPath ));
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THROW( CException( QUTIL_E_CANT_CONVERT_VROOT ) );
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}
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return MapInfo.dwFlags;
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} //GetPhysicalPath
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//+---------------------------------------------------------------------------
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//
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// Member: CWebServer::GetCGIVariable - public
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//
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// Synopsis: Gets the CHAR version of a CGI variable
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//
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// Arguments: [pszVariableName] - name of variable to lookup
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// [wcsValue] - resulting variable
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// [cwcValue] - length of variable
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//
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// History: 96/Feb/29 DwightKr Created.
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//
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//----------------------------------------------------------------------------
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BOOL CWebServer::GetCGIVariable( CHAR const * pszVariableName,
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XArray<WCHAR> & wcsValue,
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ULONG & cwcValue )
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{
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Win4Assert ( IsValid() );
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BYTE pbBuffer[512];
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ULONG cbBuffer = sizeof( pbBuffer );
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if ( !_pEcb->GetServerVariable( _pEcb->ConnID,
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(char *) pszVariableName,
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pbBuffer,
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&cbBuffer ) )
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{
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return FALSE;
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}
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cwcValue = MultiByteToXArrayWideChar(
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(BYTE * const) pbBuffer,
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cbBuffer,
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_codePage,
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wcsValue );
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return cwcValue > 0;
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} //GetCGIVariable
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//+---------------------------------------------------------------------------
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//
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// Member: CWebServer::GetCGIVariable - public
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//
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// Synopsis: Gets the WCHAR version of a CGI variable
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//
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// Arguments: [wcsVariableName] - name of variable to lookup
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// [wcsValue] - resulting variable
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// [cwcValue] - length of variable (out only)
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//
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// History: 96/Mar/29 DwightKr Created.
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//
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//----------------------------------------------------------------------------
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BOOL CWebServer::GetCGIVariableW( WCHAR const * wcsVariableName,
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XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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ULONG cwcVariableName = wcslen( wcsVariableName ) + 1;
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XArray<BYTE> pszVariableName( cwcVariableName*2 );
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if ( 0 == WideCharToXArrayMultiByte( wcsVariableName,
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cwcVariableName,
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_codePage,
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pszVariableName )
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)
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{
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//
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// We could not translate the WCHAR string to ASCII
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//
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return FALSE;
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}
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return GetCGIVariable( (const char *) pszVariableName.GetPointer(),
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wcsValue,
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cwcBuffer );
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}
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