public SMB2_SessionSetupResponse SendSessionSetupRequests(NetworkCredential optionalCredential = null)
{
SSPIHelper MyHelper = new SSPIHelper(_server);
if (optionalCredential != null)
{
MyHelper.LoginClient(optionalCredential);
}
byte[] ServerSSPIPacket = null;
byte[] ClientSSPIPacket;
byte[] MIC = null;
bool bContinueProcessing = true;
while (bContinueProcessing)
{
MyHelper.InitializeClient(out ClientSSPIPacket, ServerSSPIPacket, out bContinueProcessing);
if (!bContinueProcessing)
{
byte[] temp;
MyHelper.SignMessage(mechTypes, out temp);
MIC = new byte[temp.Length - mechTypes.Length];
Array.Copy(temp, mechTypes.Length, MIC, 0, temp.Length - mechTypes.Length);
sessionkey = MyHelper.GetSessionKey();
}
var packet = BuildSessionSetupPacket(ClientSSPIPacket, MIC);
SendPacket(packet);
Trace.WriteLine("SessionSetup Packet sent");
var answer = ReadPacket();
var header = ReadSMB2Header(answer);
Trace.WriteLine("SessionSetup Packet received");
if (header.Status == 0)
{
return(ReadResponse <SMB2_SessionSetupResponse>(answer));
}
if (header.Status != STATUS_MORE_PROCESSING_REQUIRED)
{
Trace.WriteLine("Checking " + _server + "Error " + header.Status);
throw new Win32Exception((int)header.Status);
}
if (!bContinueProcessing)
{
Trace.WriteLine("Checking " + _server + "Error " + header.Status + " when no processing needed");
throw new Win32Exception((int)header.Status, "Unexpected SessionSetup error");
}
var sessionSetupResponse = ReadResponse <SMB2_SessionSetupResponse>(answer);
_sessionid = header.SessionId;
// extract SSP answer from GSSPAPI answer
ServerSSPIPacket = ExtractSSP(answer, sessionSetupResponse);
}
throw new NotImplementedException("Not supposed to be here");
}
