求助ISAPI扩展默认请求处理

Question

isapi

Answer 1

我参考了WildcardMap的例子,有一个问题没法解决，代码红色部分，GetLastError = 1001，递归错误，百思不得其解，希望有经验的朋友能给做下解答，不胜感激1DWORD WINAPI HttpExtensionProc(
    EXTENSION_CONTROL_BLOCK *   pecb
    )
{
    HSE_EXEC_URL_INFO   ExecUrlInfo;
    LPSTR               pUrl = NULL;
    DWORD               cbData;    if ( pecb->GetServerVariable( pecb->ConnID,
                                  "URL",
                                  NULL,
                                  &cbData ) == FALSE )
    {
        if ( GetLastError() == ERROR_INSUFFICIENT_BUFFER )
        {
            pUrl = (LPSTR)LocalAlloc( LPTR, cbData );            if ( pUrl )
            {
                pecb->GetServerVariable( pecb->ConnID,
                                         "URL",
                                         pUrl,
                                         &cbData );
            }
        }
    }    if ( !pUrl )
    {
        WriteDebug( "Error %d occurred acquiring URL.\r\n",
                    GetLastError() );        goto Failed;
    }
    WriteDebug( "Request Received: URL=%s\r\n",
                pUrl );    ExecUrlInfo.pszUrl = NULL;          // Use original request URL
    ExecUrlInfo.pszMethod = NULL;       // Use original request method
    ExecUrlInfo.pszChildHeaders = NULL; // Use original request headers
    ExecUrlInfo.pUserInfo = NULL;       // Use original request user info
    ExecUrlInfo.pEntity = NULL;         // Use original request entity    //
    // Since this extension is intended to be used as a wildcard script
    // map, we need to set the below flag to prevent recursion, which
    // can occur in some cases.
    //    ExecUrlInfo.dwExecUrlFlags = HSE_EXEC_URL_IGNORE_CURRENT_INTERCEPTOR;    //
    // Associate the completion routine and the current URL with
    // this request.
    //    if ( pecb->ServerSupportFunction( pecb->ConnID,
                                      HSE_REQ_IO_COMPLETION,
                                      ExecUrlCompletion,
                                      NULL,
                                      (LPDWORD)pUrl ) == FALSE )
    {
        WriteDebug( "Error %d occurred setting I/O completion.\r\n",
                     GetLastError() );        goto Failed;
    }    if ( pecb->ServerSupportFunction( pecb->ConnID,
                                      HSE_REQ_EXEC_URL,
                                      &ExecUrlInfo,
                                      NULL,
                                      NULL ) == FALSE )
    {
        WriteDebug( "Error %d occurred calling HSE_REQ_EXEC_URL.\r\n",
                     GetLastError() );        goto Failed;
    }
    return HSE_STATUS_PENDING;Failed:    if ( pUrl )
    {
        LocalFree( pUrl );
        pUrl = NULL;
    }    SendServerError( pecb );    return HSE_STATUS_ERROR;
}