/**
* open a new SSH connection via the .NET socket
*/
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.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null)
throw new InvalidOperationException("Password property is not set");
PlainSocket s = new PlainSocket(underlying_socket, null);
VersionExchangeHandler pnh = new VersionExchangeHandler(param, s);
s.SetHandler(pnh);
s.RepeatAsyncRead();
return ConnectMain(param, receiver, pnh, s);
}
private static SSHConnection ConnectMain(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, VersionExchangeHandler pnh, AbstractGranadosSocket s) {
DataFragment data = pnh.WaitResponse();
string sv = pnh.ServerVersion;
SSHConnection con = null;
if (param.Protocol == SSHProtocol.SSH1)
throw new SSHException("SSH1 is not supported");
else
con = new SSH2Connection(param, s, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
con.TraceReceptionEvent("server version-string", sv.Trim());
pnh.Close();
s.SetHandler(con.PacketBuilder);
con.SendMyVersion(param);
if (con.Connect() != AuthenticationResult.Failure) {
return con;
}
else {
s.Close();
return null;
}
}
/**
* opens another SSH connection via port-forwarded connection
*/
public SSHConnection OpenPortForwardedAnotherConnection(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, string host, int port) {
ChannelSocket s = new ChannelSocket(null);
SSHChannel ch = ForwardPort(s, host, port, "localhost", 0);
s.SSHChennal = ch;
VersionExchangeHandler pnh = new VersionExchangeHandler(param, s);
s.SetHandler(pnh);
return ConnectMain(param, receiver, pnh, s);
}