Exemple #1
0
        internal static List <SMB1Command> GetNTTransactResponse(byte[] responseSetup, byte[] responseParameters, byte[] responseData, int maxBufferSize)
        {
            List <SMB1Command> result   = new List <SMB1Command>();
            NTTransactResponse response = new NTTransactResponse();

            result.Add(response);
            int responseSize = NTTransactResponse.CalculateMessageSize(responseSetup.Length, responseParameters.Length, responseData.Length);

            if (responseSize <= maxBufferSize)
            {
                response.Setup = responseSetup;
                response.TotalParameterCount = (ushort)responseParameters.Length;
                response.TotalDataCount      = (ushort)responseData.Length;
                response.TransParameters     = responseParameters;
                response.TransData           = responseData;
            }
            else
            {
                int    currentDataLength = maxBufferSize - (responseSize - responseData.Length);
                byte[] buffer            = new byte[currentDataLength];
                Array.Copy(responseData, 0, buffer, 0, currentDataLength);
                response.Setup = responseSetup;
                response.TotalParameterCount = (ushort)responseParameters.Length;
                response.TotalDataCount      = (ushort)responseData.Length;
                response.TransParameters     = responseParameters;
                response.TransData           = buffer;

                int dataBytesLeftToSend = responseData.Length - currentDataLength;
                while (dataBytesLeftToSend > 0)
                {
                    NTTransactResponse additionalResponse = new NTTransactResponse();
                    currentDataLength = dataBytesLeftToSend;
                    responseSize      = TransactionResponse.CalculateMessageSize(0, 0, dataBytesLeftToSend);
                    if (responseSize > maxBufferSize)
                    {
                        currentDataLength = maxBufferSize - (responseSize - dataBytesLeftToSend);
                    }
                    buffer = new byte[currentDataLength];
                    int dataBytesSent = responseData.Length - dataBytesLeftToSend;
                    Array.Copy(responseData, dataBytesSent, buffer, 0, currentDataLength);
                    additionalResponse.TotalParameterCount   = (ushort)responseParameters.Length;
                    additionalResponse.TotalDataCount        = (ushort)responseData.Length;
                    additionalResponse.TransData             = buffer;
                    additionalResponse.ParameterDisplacement = (ushort)response.TransParameters.Length;
                    additionalResponse.DataDisplacement      = (ushort)dataBytesSent;
                    result.Add(additionalResponse);

                    dataBytesLeftToSend -= currentDataLength;
                }
            }
            return(result);
        }
 private static void PrepareResponse(NTTransactResponse response, byte[] responseSetup, byte[] responseParameters, byte[] responseData, int maxBufferSize, List <SMBCommand> sendQueue)
 {
     if (NTTransactResponse.CalculateMessageSize(responseSetup.Length, responseParameters.Length, responseData.Length) <= maxBufferSize)
     {
         response.Setup = responseSetup;
         response.TotalParameterCount = (ushort)responseParameters.Length;
         response.TotalDataCount      = (ushort)responseData.Length;
         response.TransParameters     = responseParameters;
         response.TransData           = responseData;
     }
     else
     {
         throw new NotImplementedException();
     }
 }
 private static List <SMB1Command> GetNTTransactResponse(byte[] responseSetup, byte[] responseParameters, byte[] responseData, int maxBufferSize)
 {
     if (NTTransactResponse.CalculateMessageSize(responseSetup.Length, responseParameters.Length, responseData.Length) <= maxBufferSize)
     {
         NTTransactResponse response = new NTTransactResponse();
         response.Setup = responseSetup;
         response.TotalParameterCount = (ushort)responseParameters.Length;
         response.TotalDataCount      = (ushort)responseData.Length;
         response.TransParameters     = responseParameters;
         response.TransData           = responseData;
         return(response);
     }
     else
     {
         throw new NotImplementedException();
     }
 }