/**
* opens another SSH connection via port-forwarded connection
*/
public SSHConnection OpenPortForwardedAnotherConnection(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, string host, int port)
{
ProtocolNegotiationHandler pnh = new ProtocolNegotiationHandler(param);
ChannelSocket s = new ChannelSocket(pnh);
SSHChannel ch = ForwardPort(s, host, port, "localhost", 0);
s.SSHChennal = ch;
return(SSHConnection.Connect(param, receiver, pnh, s));
}
//establishes a SSH connection in subject to ConnectionParameter
public static SSHConnection Connect(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, Socket underlying_socket)
{
if (param.UserName == null)
{
throw new InvalidOperationException("UserName property is not set");
}
if (param.Password == null)
{
throw new InvalidOperationException("Password property is not set");
}
ProtocolNegotiationHandler pnh = new ProtocolNegotiationHandler(param);
PlainSocket s = new PlainSocket(underlying_socket, pnh);
s.RepeatAsyncRead();
return(ConnectMain(param, receiver, pnh, s));
}
private static SSHConnection ConnectMain(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, ProtocolNegotiationHandler pnh, AbstractSocket s)
{
pnh.Wait();
if (pnh.State != ReceiverState.Ready)
{
throw new SSHException(pnh.ErrorMessage);
}
string sv = pnh.ServerVersion;
SSHConnection con = null;
if (param.Protocol == SSHProtocol.SSH1)
{
con = new SSH1Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
}
else
{
con = new SSH2Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
}
s.SetHandler(con.PacketBuilder);
SendMyVersion(s, param);
if (con.Connect(s) != AuthenticationResult.Failure)
{
return(con);
}
else
{
s.Close();
return(null);
}
}
internal static SSHConnection Connect(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, ProtocolNegotiationHandler pnh, AbstractSocket s)
{
if (param.UserName == null)
{
throw new InvalidOperationException("UserName property is not set");
}
if (param.Password == null)
{
throw new InvalidOperationException("Password property is not set");
}
return(ConnectMain(param, receiver, pnh, s));
}
