private static void SendMyVersion(AbstractSocket stream, SSHConnectionParameter param)
{
string cv = SSHUtil.ClientVersionString(param.Protocol);
if (param.Protocol == SSHProtocol.SSH1)
{
cv += param.SSH1VersionEOL;
}
else
{
cv += "\r\n";
}
byte[] data = Encoding.ASCII.GetBytes(cv);
stream.Write(data, 0, data.Length);
}
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));
}
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 abstract AuthenticationResult Connect(AbstractSocket target);