public void receive(NbtSession nbt)
{
nbt.DoRecieve(this);
if (Debug.DebugOn)
{
dumpPacket("Recieve SMB buffer");
}
}
public void send(NbtSession nbt)
{
if (Debug.DebugOn)
{
dumpPacket("Send SMB buffer");
}
nbt.DoSend(this);
}
/// <summary>
/// Connect to Remote Admin Protocol
/// </summary>
/// <param name = "sessionname">local alias name for this connection</param>
/// <param name = "host">host name</param>
/// <param name = "login">authentication data</param>
public static ICifsRemoteAdmin ConnectRemoteAdmin(string sessionname, string host, CifsLogin login)
{
// check if the admname connection is already open
ICifsSession session = LookupSession(sessionname);
if (session != null)
{
throw new CifsIoException("SS1", sessionname);
}
if (login == null)
{
login = fDefaultLogin;
}
var share = new Share(login);
share.SetInfo(Share.IPC, host, "IPC$");
var nbt = new NbtSession();
SmbMessage smb = CifsSession.AllocateSmbMessage();
int protocol;
CifsRemoteAdmin admin = null;
try
{
protocol = CifsSession.Negotiate(nbt, share.HostName, smb);
admin = new CifsRemoteAdmin(sessionname, protocol, share, nbt, smb);
admin.Connect();
}
catch (IOException e)
{
//nbt.doHangup();
if (admin != null)
{
admin.Dispose();
}
else
{
nbt.DoHangup();
}
throw;
}
return(admin);
}
public void SendAndRecieve(NbtSession nbt, SmbMessage reply)
{
nbt.DoSend(this);
if (Debug.DebugOn)
{
dumpPacket("Send SMB buffer");
}
nbt.DoRecieve(reply);
if (Debug.DebugOn)
{
dumpPacket("Recieve SMB buffer");
}
}
internal CifsRemoteAdmin(string sessionname, int prot, Share share, NbtSession nbt, SmbMessage packet)
: base(sessionname, prot, share, nbt, packet)
{
}
/// <summary>
/// Disconnect the connection
/// </summary>
public void Disconnect()
{
DoTreeDisconnect();
//logoff();
if (fNBTSession != null)
fNBTSession.DoHangup();
fNBTSession = null;
fMsg = null;
RemoveSession(fSessionName);
}
/// <summary>
/// Negotiates protocol (we only support NT_LM_0_12). Calls NetBIOS
/// </summary>
/// <param name = "nbt">NetBIOS session</param>
/// <param name = "nbtname">NetBIOS name</param>
/// <param name = "msg">SMB Message</param>
/// <returns>Negotiated protocol</returns>
internal static int Negotiate(NbtSession nbt, string nbtname, SmbMessage msg)
{
if (Debug.DebugOn)
Debug.WriteLine(Debug.Info, "SMB_COM_NEGOTIATE");
nbt.DoCall(nbtname);
msg.setCommand(SmbMessage.SMB_COM_NEGOTIATE);
msg.setPID(fPID);
/**
* struct {
* UCHAR BufferFormat; // DT_DIALECT
* UCHAR DialectName[]; // Null-terminated
* } Dialects[];
*/
var buf = new StringBuilder();
for (int i = 0; i < SUPPORTED_DIALECTS.Length; i++)
{
buf.Append((char) SmbMessage.DT_DIALECT);
buf.Append(SUPPORTED_DIALECTS[i]);
buf.Append('\0');
}
msg.setContent(Encoding.UTF8.GetBytes(buf.ToString()));
if (Debug.DebugOn && Debug.DebugLevel >= Debug.Buffer)
{
Debug.WriteLine(Debug.Buffer, "Supported Dialects:");
Debug.WriteLine(Debug.Buffer, msg.getMessageBuffer(), 0, msg.getMessageSize());
}
msg.SendAndRecieve(nbt, msg);
if (Debug.DebugOn && Debug.DebugLevel >= Debug.Buffer)
{
Debug.WriteLine(Debug.Buffer, "Dialects Response:");
Debug.WriteLine(Debug.Buffer, msg.getMessageBuffer(), 0, msg.getMessageSize());
}
int protocol = msg.getParameter(0);
if (protocol == -1)
throw new CifsIoException("PE1");
if (protocol != NT_LM_0_12)
throw new CifsIoException("PE2", SUPPORTED_DIALECTS[protocol]);
if (msg.getWordCount() != 17)
throw new CifsIoException("PE2", SUPPORTED_DIALECTS[protocol]);
if (Debug.DebugOn && Debug.DebugLevel >= Debug.Info)
Debug.WriteLine(Debug.Info, "Negotiated protocol: " + SUPPORTED_DIALECTS[protocol]);
return protocol;
}
/// <summary>
/// Reconnects server if disconnected
/// </summary>
public void Reconnect()
{
lock (this)
{
if (IsConnected)
return;
if (Debug.DebugOn)
Debug.WriteLine(Debug.Info, "Reconnect session");
if (fMsg == null)
fMsg = AllocateSmbMessage();
if (fNBTSession == null)
fNBTSession = new NbtSession();
fConnectionLost = false;
try
{
fProtocol = Negotiate(fNBTSession, fShare.HostName, fMsg);
SetNegotiatedData(fMsg);
Connect();
}
catch (IOException e)
{
fNBTSession.DoHangup();
fNBTSession = null;
throw e;
}
} // lock
}
/// <summary>
/// Constructor
/// </summary>
/// <param name = "sessionname">String identfying the session</param>
/// <param name = "protocol"></param>
/// <param name = "share">Share object</param>
/// <param name = "nbt">NetBIOS session</param>
/// <param name = "msg">Message containing negotiated data</param>
internal CifsSession(string sessionname, int protocol, Share share, NbtSession nbt, SmbMessage msg)
{
fShare = share;
fNBTSession = nbt;
fMsg = msg;
fProtocol = protocol;
SetNegotiatedData(msg);
if (sessionname == null)
fSessionName = "Session" + fSessionNameCounter++;
else
fSessionName = sessionname;
}
public void SendAndRecieve(NbtSession nbt, SmbMessage reply)
{
nbt.DoSend(this);
if(Debug.DebugOn)
dumpPacket("Send SMB buffer");
nbt.DoRecieve(reply);
if(Debug.DebugOn)
dumpPacket("Recieve SMB buffer");
}
public void receive(NbtSession nbt)
{
nbt.DoRecieve(this);
if(Debug.DebugOn)
dumpPacket("Recieve SMB buffer");
}
public void send(NbtSession nbt)
{
if(Debug.DebugOn)
dumpPacket("Send SMB buffer");
nbt.DoSend(this);
}
