1269 lines
28 KiB
C++
1269 lines
28 KiB
C++
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/*++
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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main.cxx
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Abstract:
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This is the HTTP ODBC gateway
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Author:
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John Ludeman (johnl) 20-Feb-1995
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Revision History:
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Tamas Nemeth (t-tamasn) 12-Jun-1998
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--*/
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//
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// System include files.
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//
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#include "precomp.hxx"
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#include "iadmw.h"
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#include <ole2.h>
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#include <lmcons.h>
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DECLARE_DEBUG_PRINTS_OBJECT();
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DECLARE_DEBUG_VARIABLE();
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extern "C" {
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BOOL
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WINAPI
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DLLEntry(
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HINSTANCE hDll,
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DWORD dwReason,
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LPVOID lpvReserved
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);
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}
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//
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// Globals
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//
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IMSAdminBase * g_pMetabase = NULL;
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//
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// Is this system DBCS?
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//
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BOOL g_fIsSystemDBCS;
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//
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// Prototypes
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//
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HRESULT
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ODBCInitialize(
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VOID
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);
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VOID
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ODBCTerminate(
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VOID
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);
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HRESULT
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DoQuery(
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EXTENSION_CONTROL_BLOCK * pecb,
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const CHAR * pszQueryFile,
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const CHAR * pszParamList,
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STRA * pstrError,
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int nCharset,
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BOOL * pfAccessDenied
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);
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DWORD
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OdbcExtensionOutput(
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EXTENSION_CONTROL_BLOCK * pecb,
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const CHAR * pchOutput,
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DWORD cbOutput
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);
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BOOL
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OdbcExtensionHeader(
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EXTENSION_CONTROL_BLOCK * pecb,
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const CHAR * pchStatus,
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const CHAR * pchHeaders
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);
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BOOL LookupHttpSymbols( // eliminated, check its functionality
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const CHAR * pszSymbolName,
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STRA * pstrSymbolValue
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);
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HRESULT
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GetIDCCharset(
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CONST CHAR * pszPath,
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int * pnCharset,
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STRA * pstrError
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);
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HRESULT
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ConvertUrlEncodedStringToSJIS(
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int nCharset,
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STRA * pstrParams
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);
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BOOL
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IsSystemDBCS(
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VOID
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);
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CHAR *
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FlipSlashes(
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CHAR * pszPath
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);
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HRESULT
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GetPoolIDCTimeout(
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unsigned char * szMdPath,
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DWORD * pdwPoolIDCTimeout
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);
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DWORD
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HttpExtensionProc(
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EXTENSION_CONTROL_BLOCK * pecb
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)
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{
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STACK_STRA( strPath, MAX_PATH);
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STACK_STRA( strParams, MAX_PATH);
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STRA strError;
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CHAR * pch;
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DWORD cch;
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int nCharset;
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HRESULT hr;
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//
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// Make sure ODBC is loaded
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//
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if ( !LoadODBC() )
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{
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STRA str;
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str.FormatString( ODBCMSG_CANT_LOAD_ODBC,
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NULL,
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HTTP_ODBC_DLL );
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pecb->ServerSupportFunction( pecb->ConnID,
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HSE_REQ_SEND_RESPONSE_HEADER,
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"500 Unable to load ODBC",
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NULL,
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(LPDWORD) str.QueryStr() );
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return HSE_STATUS_ERROR;
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}
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//
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// We currently only support the GET and POST methods
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//
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if ( !strcmp( pecb->lpszMethod, "POST" ))
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{
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if ( _stricmp( pecb->lpszContentType,
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"application/x-www-form-urlencoded" ) )
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{
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goto BadRequest;
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}
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//
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// The query params are in the extra data, add a few bytes in
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// case we need to double "'"
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//
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hr = strParams.Resize( pecb->cbAvailable + sizeof(TCHAR) + 3);
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if ( FAILED( hr ) )
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{
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DBGPRINTF(( DBG_CONTEXT,
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"Error resizing param buffer, hr = 0x%x.\n",
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hr ));
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return HSE_STATUS_ERROR;
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}
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hr = strParams.Copy( ( const char * ) pecb->lpbData,
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pecb->cbAvailable );
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}
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else if ( !strcmp( pecb->lpszMethod, "GET" ) )
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{
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hr = strParams.Copy( pecb->lpszQueryString );
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if ( FAILED( hr ) )
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{
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DBGPRINTF(( DBG_CONTEXT,
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"Error copying params, hr = 0x%x.\n",
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hr ));
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return HSE_STATUS_ERROR;
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}
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}
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else
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{
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BadRequest:
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STRA str;
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str.FormatString( ODBCMSG_UNSUPPORTED_METHOD,
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NULL,
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HTTP_ODBC_DLL );
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pecb->ServerSupportFunction(
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pecb->ConnID,
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HSE_REQ_SEND_RESPONSE_HEADER,
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"400 Unsupported method",
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NULL,
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(LPDWORD) str.QueryStr() );
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return HSE_STATUS_ERROR;
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}
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//
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// "Charset" field is enabled for CP932 (Japanese) only in
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// this version.
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//
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if ( 932 != GetACP() )
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{
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nCharset = CODE_ONLY_SBCS;
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}
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else
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{
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//
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// Get the charset from .idc file
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//
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if ( FAILED( GetIDCCharset( pecb->lpszPathTranslated,
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&nCharset,
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&strError ) ) )
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{
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STRA str;
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LPCSTR apsz[1];
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apsz[0] = strError.QueryStr();
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str.FormatString( ODBCMSG_ERROR_PERFORMING_QUERY,
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apsz,
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HTTP_ODBC_DLL,
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1024 + strError.QueryCB() );
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pecb->ServerSupportFunction(
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pecb->ConnID,
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HSE_REQ_SEND_RESPONSE_HEADER,
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(LPDWORD) "500 Error performing query",
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NULL,
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(LPDWORD) str.QueryStr() );
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return HSE_STATUS_ERROR;
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}
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if ( strParams.QueryCB() )
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{
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if ( CODE_ONLY_SBCS != nCharset )
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{
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//
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// Convert the charset of Parameters to SJIS
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//
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if ( FAILED( ConvertUrlEncodedStringToSJIS(
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nCharset,
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&strParams ) ) )
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{
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STRA str;
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strError.LoadString( GetLastError(),
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( LPCSTR ) NULL );
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str.FormatString( ODBCMSG_ERROR_PERFORMING_QUERY,
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NULL,
|
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HTTP_ODBC_DLL );
|
||
|
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||
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pecb->ServerSupportFunction(
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pecb->ConnID,
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HSE_REQ_SEND_RESPONSE_HEADER,
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||
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(LPDWORD) "500 Error performing Query",
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NULL,
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(LPDWORD) str.QueryStr() );
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return HSE_STATUS_ERROR;
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}
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|
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}
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}
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}
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|
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||
|
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//
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// Walk the parameter string to do three things:
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//
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// 1) Double all single quotes to prevent SQL quoting problem
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// 2) Remove escaped '\n's so we don't break parameter parsing
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// later on
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// 3) Replace all '&' parameter delimiters with real '\n' so
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// escaped '&'s won't get confused later on
|
||
|
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//
|
||
|
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pch = strParams.QueryStr();
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cch = strParams.QueryCCH();
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|
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while ( *pch )
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{
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switch ( *pch )
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{
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|
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case '%':
|
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|
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if ( pch[1] == '0' && toupper(pch[2]) == 'A' )
|
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{
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pch[1] = '2';
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|
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pch[2] = '0';
|
||
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}
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else if ( pch[1] == '2' && pch[2] == '7' )
|
||
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{
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//
|
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|
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// This is an escaped single quote
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//
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// Include null
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if ( strParams.QueryCB() < (cch + 4) )
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{
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DWORD Pos = DIFF(pch - strParams.QueryStr());
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hr = strParams.Resize( cch + 4 );
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if ( FAILED( hr ) )
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{
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return HSE_STATUS_ERROR;
|
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|
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}
|
||
|
|
|
||
|
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//
|
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// Adjust for possible pointer shift
|
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|
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//
|
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pch = strParams.QueryStr() + Pos;
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}
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//
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// Note the memory copy just doubles the existing
|
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|
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// quote
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//
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memmove( pch+3,
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pch,
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|
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(cch + 1) - DIFF(pch - strParams.QueryStr()) );
|
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|
|
|
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|
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// Adjust for the additional '%27'
|
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|
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cch += 3;
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|
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pch += 3;
|
||
|
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}
|
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|
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pch += 3;
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|
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break;
|
||
|
|
|
||
|
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case '\'':
|
||
|
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if ( strParams.QueryCB() < (cch + 2) )
|
||
|
|
{
|
||
|
|
DWORD Pos = DIFF(pch - strParams.QueryStr());
|
||
|
|
|
||
|
|
hr = strParams.Resize( cch + 2 );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
return HSE_STATUS_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Adjust for possible pointer shift
|
||
|
|
//
|
||
|
|
|
||
|
|
pch = strParams.QueryStr() + Pos;
|
||
|
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}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Note the memory copy just doubles the existing quote
|
||
|
|
//
|
||
|
|
|
||
|
|
memmove( pch+1,
|
||
|
|
pch,
|
||
|
|
(cch + 1) - DIFF(pch - strParams.QueryStr()) );
|
||
|
|
|
||
|
|
pch += 2;
|
||
|
|
|
||
|
|
// Adjust for the additional '''
|
||
|
|
cch++;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '&':
|
||
|
|
*pch = '\n';
|
||
|
|
pch++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
pch++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// The path info contains the location of the query file
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = strPath.Copy( pecb->lpszPathTranslated );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error copying query file path, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return HSE_STATUS_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
FlipSlashes( strPath.QueryStr() );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Attempt the query
|
||
|
|
//
|
||
|
|
|
||
|
|
BOOL fAccessDenied = FALSE;
|
||
|
|
|
||
|
|
hr = DoQuery( pecb,
|
||
|
|
strPath.QueryStr(),
|
||
|
|
strParams.QueryStr(),
|
||
|
|
&strError,
|
||
|
|
nCharset,
|
||
|
|
&fAccessDenied );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
if ( fAccessDenied )
|
||
|
|
{
|
||
|
|
pecb->ServerSupportFunction( pecb->ConnID,
|
||
|
|
HSE_REQ_SEND_RESPONSE_HEADER,
|
||
|
|
(LPDWORD) "401 Authentication Required",
|
||
|
|
NULL,
|
||
|
|
NULL );
|
||
|
|
|
||
|
|
return HSE_STATUS_ERROR;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
STRA str;
|
||
|
|
LPCSTR apsz[1];
|
||
|
|
|
||
|
|
apsz[0] = strError.QueryStr();
|
||
|
|
|
||
|
|
//
|
||
|
|
// Note we terminate the error message (ODBC sometimes generates
|
||
|
|
// 22k errors) *and* we double the buffer size we pass to FormatString()
|
||
|
|
// because the win32 API FormatMessage() has a bug that doesn't
|
||
|
|
// account for Unicode conversion
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( strlen( apsz[0] ) > 1024 ) {
|
||
|
|
((LPSTR)apsz[0])[1024] = '\0';
|
||
|
|
}
|
||
|
|
|
||
|
|
str.FormatString( ODBCMSG_ERROR_PERFORMING_QUERY,
|
||
|
|
apsz,
|
||
|
|
HTTP_ODBC_DLL,
|
||
|
|
1024 + strError.QueryCB() );
|
||
|
|
|
||
|
|
pecb->ServerSupportFunction( pecb->ConnID,
|
||
|
|
HSE_REQ_SEND_RESPONSE_HEADER,
|
||
|
|
(LPDWORD) "500 Error performing query",
|
||
|
|
NULL,
|
||
|
|
(LPDWORD) str.QueryStr() );
|
||
|
|
|
||
|
|
return HSE_STATUS_ERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return HSE_STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
DoQuery(
|
||
|
|
EXTENSION_CONTROL_BLOCK * pecb,
|
||
|
|
const CHAR * pszQueryFile,
|
||
|
|
const CHAR * pszParamList,
|
||
|
|
STRA * pstrError,
|
||
|
|
int nCharset,
|
||
|
|
BOOL * pfAccessDenied
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Performs the actual query or retrieves the same query from the
|
||
|
|
query cache
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
pecb - Extension context
|
||
|
|
pTsvcInfo - Server info class
|
||
|
|
pszQueryFile - .wdg file to use for query
|
||
|
|
pszParamList - Client supplied param list
|
||
|
|
pstrError - Error text to return errors in
|
||
|
|
pfAccessDenied - Set to TRUE if the user was denied access
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
ODBC_REQ * podbcreq;
|
||
|
|
STACK_STRA( strHeaders, MAX_PATH );
|
||
|
|
CHAR achPragmas[250];
|
||
|
|
DWORD cbPragmas = sizeof(achPragmas);
|
||
|
|
CHAR achInstanceMetaPath[ MAX_PATH ];
|
||
|
|
DWORD dwInstanceMetaPath =
|
||
|
|
sizeof( achInstanceMetaPath );
|
||
|
|
CHAR achURL[ MAX_PATH ];
|
||
|
|
DWORD dwURL = sizeof( achURL );
|
||
|
|
STACK_STRA( strMetaPath, MAX_PATH );
|
||
|
|
DWORD dwPoolIDCTimeout;
|
||
|
|
DWORD dwRequiredLen;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the metapath for the current request
|
||
|
|
//
|
||
|
|
if( !pecb->GetServerVariable( pecb->ConnID,
|
||
|
|
"INSTANCE_META_PATH",
|
||
|
|
achInstanceMetaPath,
|
||
|
|
&dwInstanceMetaPath ) ||
|
||
|
|
!pecb->GetServerVariable( pecb->ConnID,
|
||
|
|
"URL",
|
||
|
|
achURL,
|
||
|
|
&dwURL ) )
|
||
|
|
{
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = strMetaPath.Copy( achInstanceMetaPath, dwInstanceMetaPath - 1 );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error copying InstanceMetaPath, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = strMetaPath.Append( "/Root" );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error appending metapath, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = strMetaPath.Append( achURL, dwURL - 1 );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error appending URL, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the HTTPODBC metadata PoolIDCTimeout
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = GetPoolIDCTimeout( ( unsigned char * )strMetaPath.QueryStr(),
|
||
|
|
&dwPoolIDCTimeout );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
dwPoolIDCTimeout = IDC_POOL_TIMEOUT;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create an odbc request as we will either use it for the query
|
||
|
|
// or as the key for the cache lookup
|
||
|
|
//
|
||
|
|
|
||
|
|
podbcreq = new ODBC_REQ( pecb,
|
||
|
|
dwPoolIDCTimeout,
|
||
|
|
nCharset );
|
||
|
|
|
||
|
|
if( !podbcreq )
|
||
|
|
{
|
||
|
|
pstrError->LoadString( ERROR_NOT_ENOUGH_MEMORY );
|
||
|
|
return HRESULT_FROM_WIN32( ERROR_NOT_ENOUGH_MEMORY );
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = podbcreq->Create( pszQueryFile, pszParamList );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error creating ODBC_REQ object, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
// Best effort
|
||
|
|
pstrError->LoadString( GetLastError() );
|
||
|
|
|
||
|
|
delete podbcreq;
|
||
|
|
podbcreq = NULL;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Check to see if user already authentified
|
||
|
|
//
|
||
|
|
|
||
|
|
CHAR achLoggedOnUser[UNLEN + 1];
|
||
|
|
DWORD dwLoggedOnUser = sizeof( achLoggedOnUser );
|
||
|
|
BOOL fIsAuth = pecb->GetServerVariable( (HCONN)pecb->ConnID,
|
||
|
|
"LOGON_USER",
|
||
|
|
achLoggedOnUser,
|
||
|
|
&dwLoggedOnUser ) &&
|
||
|
|
achLoggedOnUser[0] != '\0';
|
||
|
|
|
||
|
|
//
|
||
|
|
// Check to see if the client specified "Pragma: no-cache"
|
||
|
|
//
|
||
|
|
/* We don't do cache on HTTPODBC any more
|
||
|
|
if ( pecb->GetServerVariable( pecb->ConnID,
|
||
|
|
"HTTP_PRAGMA",
|
||
|
|
achPragmas,
|
||
|
|
&cbPragmas ))
|
||
|
|
{
|
||
|
|
CHAR * pch;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Look for "no-cache"
|
||
|
|
//
|
||
|
|
|
||
|
|
pch = _strupr( achPragmas );
|
||
|
|
|
||
|
|
while ( pch = strchr( pch, 'N' ))
|
||
|
|
{
|
||
|
|
if ( !memcmp( pch, "NO-CACHE", 8 ))
|
||
|
|
{
|
||
|
|
fRetrieveFromCache = FALSE;
|
||
|
|
goto Found;
|
||
|
|
}
|
||
|
|
|
||
|
|
pch++;
|
||
|
|
}
|
||
|
|
}*/
|
||
|
|
|
||
|
|
//
|
||
|
|
// Open the query file and do the query
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = podbcreq->OpenQueryFile( pfAccessDenied );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error opening query file, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = podbcreq->ParseAndQuery( achLoggedOnUser );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = podbcreq->AppendHeaders( &strHeaders );
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error appending headers, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = podbcreq->OutputResults( (ODBC_REQ_CALLBACK)OdbcExtensionOutput,
|
||
|
|
pecb, &strHeaders,
|
||
|
|
(ODBC_REQ_HEADER)OdbcExtensionHeader,
|
||
|
|
fIsAuth,
|
||
|
|
pfAccessDenied );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error in OutputResults(), hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
delete podbcreq;
|
||
|
|
podbcreq = NULL;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
|
||
|
|
Exit:
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the ODBC error to report to client
|
||
|
|
//
|
||
|
|
podbcreq->GetLastErrorText( pstrError );
|
||
|
|
|
||
|
|
delete podbcreq;
|
||
|
|
podbcreq = NULL;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
OdbcExtensionOutput(
|
||
|
|
EXTENSION_CONTROL_BLOCK * pecb,
|
||
|
|
const CHAR * pchOutput,
|
||
|
|
DWORD cbOutput
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if ( !pecb->WriteClient( pecb->ConnID,
|
||
|
|
(VOID *) pchOutput,
|
||
|
|
&cbOutput,
|
||
|
|
0 ))
|
||
|
|
|
||
|
|
{
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
return NO_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
OdbcExtensionHeader(
|
||
|
|
EXTENSION_CONTROL_BLOCK * pecb,
|
||
|
|
const CHAR * pchStatus,
|
||
|
|
const CHAR * pchHeaders
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return pecb->ServerSupportFunction(
|
||
|
|
pecb->ConnID,
|
||
|
|
HSE_REQ_SEND_RESPONSE_HEADER,
|
||
|
|
(LPDWORD) "200 OK",
|
||
|
|
NULL,
|
||
|
|
(LPDWORD) pchHeaders );
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
WINAPI
|
||
|
|
DLLEntry(
|
||
|
|
HINSTANCE hDll,
|
||
|
|
DWORD dwReason,
|
||
|
|
LPVOID lpvReserved
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD err;
|
||
|
|
|
||
|
|
switch ( dwReason )
|
||
|
|
{
|
||
|
|
case DLL_PROCESS_ATTACH:
|
||
|
|
|
||
|
|
CREATE_DEBUG_PRINT_OBJECT( "httpodbc.dll");
|
||
|
|
SET_DEBUG_FLAGS( 0 );
|
||
|
|
|
||
|
|
DisableThreadLibraryCalls( hDll );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DLL_PROCESS_DETACH:
|
||
|
|
|
||
|
|
DELETE_DEBUG_PRINT_OBJECT();
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
GetExtensionVersion(
|
||
|
|
HSE_VERSION_INFO * pver
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
pver->dwExtensionVersion = MAKELONG( 0, 3 );
|
||
|
|
strcpy( pver->lpszExtensionDesc,
|
||
|
|
"Microsoft HTTP ODBC Gateway, v3.0" );
|
||
|
|
|
||
|
|
hr = ODBCInitialize();
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error on HTTPODBC initialization." ));
|
||
|
|
|
||
|
|
SetLastError( hr );
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = CoCreateInstance(
|
||
|
|
CLSID_MSAdminBase,
|
||
|
|
NULL,
|
||
|
|
CLSCTX_ALL,
|
||
|
|
IID_IMSAdminBase,
|
||
|
|
(void**)&g_pMetabase
|
||
|
|
);
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error getting IMSAdminBase interface." ));
|
||
|
|
|
||
|
|
SetLastError( hr );
|
||
|
|
|
||
|
|
ODBCTerminate();
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
TerminateExtension(
|
||
|
|
DWORD dwFlags
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ODBCTerminate();
|
||
|
|
|
||
|
|
if ( g_pMetabase )
|
||
|
|
{
|
||
|
|
g_pMetabase->Release();
|
||
|
|
g_pMetabase = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
ODBCInitialize(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = E_FAIL;
|
||
|
|
|
||
|
|
if( !InitializeOdbcPool() )
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ODBC_REQ::Initialize();
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error initializing ODBC_REQ, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
TerminateOdbcPool();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ODBC_STATEMENT::Initialize();
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error initializing ODBC_STATEMENT, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
TerminateOdbcPool();
|
||
|
|
ODBC_REQ::Terminate();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ODBC_CONN_POOL::Initialize();
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error initializing ODBC_CONN_POOL, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
TerminateOdbcPool();
|
||
|
|
ODBC_REQ::Terminate();
|
||
|
|
ODBC_STATEMENT::Terminate();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
g_fIsSystemDBCS = IsSystemDBCS();
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ODBCTerminate(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TerminateOdbcPool();
|
||
|
|
ODBC_REQ::Terminate();
|
||
|
|
ODBC_STATEMENT::Terminate();
|
||
|
|
ODBC_CONN_POOL::Terminate();
|
||
|
|
}
|
||
|
|
|
||
|
|
CHAR * skipwhite( CHAR * pch )
|
||
|
|
{
|
||
|
|
CHAR ch;
|
||
|
|
|
||
|
|
while ( 0 != (ch = *pch) )
|
||
|
|
{
|
||
|
|
if ( ' ' != ch && '\t' != ch )
|
||
|
|
break;
|
||
|
|
++pch;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pch;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
CHAR * nextline( CHAR * pch )
|
||
|
|
{
|
||
|
|
CHAR ch;
|
||
|
|
|
||
|
|
while ( 0 != (ch = *pch) )
|
||
|
|
{
|
||
|
|
++pch;
|
||
|
|
|
||
|
|
if ( '\n' == ch )
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return pch;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
GetIDCCharset(
|
||
|
|
CONST CHAR * pszPath,
|
||
|
|
int * pnCharset,
|
||
|
|
STRA * pstrError
|
||
|
|
)
|
||
|
|
{
|
||
|
|
BUFFER buff;
|
||
|
|
HANDLE hFile;
|
||
|
|
DWORD dwSize;
|
||
|
|
HRESULT hr;
|
||
|
|
DWORD dwErr;
|
||
|
|
|
||
|
|
#define QUERYFILE_READSIZE 4096
|
||
|
|
|
||
|
|
if ( (!pnCharset) || (!pszPath) )
|
||
|
|
{
|
||
|
|
return HRESULT_FROM_WIN32( ERROR_INVALID_PARAMETER );
|
||
|
|
}
|
||
|
|
|
||
|
|
*pnCharset = CODE_ONLY_SBCS;
|
||
|
|
|
||
|
|
if ( !buff.Resize( QUERYFILE_READSIZE + sizeof(TCHAR) ) )
|
||
|
|
{
|
||
|
|
pstrError->LoadString( ERROR_NOT_ENOUGH_MEMORY );
|
||
|
|
return HRESULT_FROM_WIN32( ERROR_NOT_ENOUGH_MEMORY );
|
||
|
|
}
|
||
|
|
|
||
|
|
hFile = CreateFileA( pszPath,
|
||
|
|
GENERIC_READ,
|
||
|
|
FILE_SHARE_READ,
|
||
|
|
NULL,
|
||
|
|
OPEN_EXISTING,
|
||
|
|
FILE_ATTRIBUTE_NORMAL |
|
||
|
|
FILE_FLAG_SEQUENTIAL_SCAN,
|
||
|
|
NULL );
|
||
|
|
|
||
|
|
if ( INVALID_HANDLE_VALUE == hFile )
|
||
|
|
{
|
||
|
|
LPCSTR apsz[1];
|
||
|
|
|
||
|
|
apsz[0] = pszPath;
|
||
|
|
pstrError->FormatString( ODBCMSG_QUERY_FILE_NOT_FOUND,
|
||
|
|
apsz,
|
||
|
|
HTTP_ODBC_DLL );
|
||
|
|
return HRESULT_FROM_WIN32( GetLastError() );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !ReadFile( hFile,
|
||
|
|
buff.QueryPtr(),
|
||
|
|
QUERYFILE_READSIZE,
|
||
|
|
&dwSize,
|
||
|
|
NULL ) )
|
||
|
|
{
|
||
|
|
dwErr = GetLastError();
|
||
|
|
pstrError->LoadString( dwErr );
|
||
|
|
return HRESULT_FROM_WIN32( dwErr );
|
||
|
|
}
|
||
|
|
|
||
|
|
CloseHandle( hFile );
|
||
|
|
|
||
|
|
*((CHAR *) buff.QueryPtr() + dwSize) = '\0';
|
||
|
|
|
||
|
|
CHAR * pch = (CHAR *)buff.QueryPtr();
|
||
|
|
|
||
|
|
while ( *pch )
|
||
|
|
{
|
||
|
|
pch = skipwhite( pch );
|
||
|
|
|
||
|
|
if ( 'C' == toupper( *pch ) &&
|
||
|
|
!_strnicmp( IDC_FIELDNAME_CHARSET,
|
||
|
|
pch,
|
||
|
|
sizeof(IDC_FIELDNAME_CHARSET)-1 ) )
|
||
|
|
{
|
||
|
|
pch += sizeof(IDC_FIELDNAME_CHARSET) - 1;
|
||
|
|
pch = skipwhite( pch );
|
||
|
|
if ( 932 == GetACP() )
|
||
|
|
{
|
||
|
|
if ( !_strnicmp( IDC_CHARSET_JIS1,
|
||
|
|
pch,
|
||
|
|
sizeof(IDC_CHARSET_JIS1)-1 ) ||
|
||
|
|
!_strnicmp( IDC_CHARSET_JIS2,
|
||
|
|
pch,
|
||
|
|
sizeof(IDC_CHARSET_JIS2)-1 ) )
|
||
|
|
{
|
||
|
|
*pnCharset = CODE_JPN_JIS;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else if ( !_strnicmp( IDC_CHARSET_EUCJP,
|
||
|
|
pch,
|
||
|
|
sizeof(IDC_CHARSET_EUCJP)-1 ) )
|
||
|
|
{
|
||
|
|
*pnCharset = CODE_JPN_EUC;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else if ( !_strnicmp( IDC_CHARSET_SJIS,
|
||
|
|
pch,
|
||
|
|
sizeof(IDC_CHARSET_SJIS)-1 ) )
|
||
|
|
{
|
||
|
|
*pnCharset = CODE_ONLY_SBCS;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
LPCSTR apsz[1];
|
||
|
|
//
|
||
|
|
// illegal value for Charset: field
|
||
|
|
//
|
||
|
|
apsz[0] = pszPath;
|
||
|
|
pstrError->FormatString( ODBCMSG_UNREC_FIELD,
|
||
|
|
apsz,
|
||
|
|
HTTP_ODBC_DLL );
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// please add code here to support other FE character encoding(FEFEFE)
|
||
|
|
//
|
||
|
|
// else if ( 949 == GetACP() )
|
||
|
|
// ...
|
||
|
|
|
||
|
|
}
|
||
|
|
pch = nextline( pch );
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
ConvertUrlEncodedStringToSJIS(
|
||
|
|
int nCharset,
|
||
|
|
STRA * pstrParams
|
||
|
|
)
|
||
|
|
{
|
||
|
|
STACK_STRA( strTemp, MAX_PATH);
|
||
|
|
int cbSJISSize;
|
||
|
|
int nResult;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Pre-process the URL encoded parameters
|
||
|
|
//
|
||
|
|
|
||
|
|
for ( char * pch = pstrParams->QueryStr(); *pch; ++pch )
|
||
|
|
{
|
||
|
|
if ( *pch == '&' )
|
||
|
|
{
|
||
|
|
*pch = '\n';
|
||
|
|
}
|
||
|
|
else if ( *pch == '+' )
|
||
|
|
{
|
||
|
|
*pch = ' ';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// URL decoding (decode %nn only)
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pstrParams->Unescape();
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error unescaping param string, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// charset conversion
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pstrParams->Clone( &strTemp );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error cloning param string, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = strTemp.Copy( pstrParams->QueryStr() );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error copying param string, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
cbSJISSize = UNIX_to_PC( GetACP(),
|
||
|
|
nCharset,
|
||
|
|
(UCHAR *)strTemp.QueryStr(),
|
||
|
|
strTemp.QueryCB(),
|
||
|
|
NULL,
|
||
|
|
0 );
|
||
|
|
|
||
|
|
hr = pstrParams->Resize( cbSJISSize + sizeof(TCHAR) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error resizing param string buffer, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
nResult = UNIX_to_PC( GetACP(),
|
||
|
|
nCharset,
|
||
|
|
(UCHAR *)strTemp.QueryStr(),
|
||
|
|
strTemp.QueryCB(),
|
||
|
|
(UCHAR *)pstrParams->QueryStr(),
|
||
|
|
cbSJISSize );
|
||
|
|
if ( -1 == nResult || nResult != cbSJISSize )
|
||
|
|
{
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
DBG_REQUIRE ( pstrParams->SetLen( cbSJISSize) );
|
||
|
|
|
||
|
|
//
|
||
|
|
// URL encoding
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pstrParams->Escape();
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
||
|
|
"Error escaping param string, hr = 0x%x.\n",
|
||
|
|
hr ));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
IsSystemDBCS(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
WORD wPrimaryLangID = PRIMARYLANGID( GetSystemDefaultLangID() );
|
||
|
|
|
||
|
|
return ( wPrimaryLangID == LANG_JAPANESE ||
|
||
|
|
wPrimaryLangID == LANG_CHINESE ||
|
||
|
|
wPrimaryLangID == LANG_KOREAN );
|
||
|
|
}
|
||
|
|
|
||
|
|
CHAR * FlipSlashes( CHAR * pszPath )
|
||
|
|
{
|
||
|
|
CHAR ch;
|
||
|
|
CHAR * pszScan = pszPath;
|
||
|
|
|
||
|
|
while( ( ch = *pszScan ) != '\0' )
|
||
|
|
{
|
||
|
|
if( ch == '/' )
|
||
|
|
{
|
||
|
|
*pszScan = '\\';
|
||
|
|
}
|
||
|
|
|
||
|
|
pszScan++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pszPath;
|
||
|
|
|
||
|
|
} // FlipSlashes
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
GetPoolIDCTimeout(
|
||
|
|
unsigned char * szMdPath,
|
||
|
|
DWORD * pdwPoolIDCTimeout
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
DWORD cbBufferRequired;
|
||
|
|
|
||
|
|
const DWORD dwTimeout = 2000;
|
||
|
|
|
||
|
|
STACK_STRU( strMetaPath, MAX_PATH );
|
||
|
|
|
||
|
|
if ( g_pMetabase == NULL )
|
||
|
|
{
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = strMetaPath.CopyA( (LPSTR)szMdPath );
|
||
|
|
if( FAILED(hr) )
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
METADATA_HANDLE hKey = NULL;
|
||
|
|
METADATA_RECORD MetadataRecord;
|
||
|
|
|
||
|
|
hr = g_pMetabase->OpenKey( METADATA_MASTER_ROOT_HANDLE,
|
||
|
|
strMetaPath.QueryStr(),
|
||
|
|
METADATA_PERMISSION_READ,
|
||
|
|
dwTimeout,
|
||
|
|
&hKey
|
||
|
|
);
|
||
|
|
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
MetadataRecord.dwMDIdentifier = MD_POOL_IDC_TIMEOUT;
|
||
|
|
MetadataRecord.dwMDAttributes = METADATA_INHERIT;
|
||
|
|
MetadataRecord.dwMDUserType = IIS_MD_UT_FILE;
|
||
|
|
MetadataRecord.dwMDDataType = DWORD_METADATA;
|
||
|
|
MetadataRecord.dwMDDataLen = sizeof( DWORD );
|
||
|
|
MetadataRecord.pbMDData = (unsigned char *) pdwPoolIDCTimeout;
|
||
|
|
MetadataRecord.dwMDDataTag = 0;
|
||
|
|
|
||
|
|
hr = g_pMetabase->GetData( hKey,
|
||
|
|
L"",
|
||
|
|
&MetadataRecord,
|
||
|
|
&cbBufferRequired
|
||
|
|
);
|
||
|
|
|
||
|
|
g_pMetabase->CloseKey( hKey );
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|