/** * 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); try { SSHProtocolVersionReceiver protoVerReceiver = new SSHProtocolVersionReceiver(); protoVerReceiver.Receive(s, 5000); protoVerReceiver.Verify(param.Protocol); SSHConnection con; if (param.Protocol == SSHProtocol.SSH1) con = new SSH1Connection(param, s, receiver, protoVerReceiver.ServerVersion, SSHUtil.ClientVersionString(param.Protocol)); else con = new SSH2Connection(param, s, receiver, protoVerReceiver.ServerVersion, SSHUtil.ClientVersionString(param.Protocol)); s.SetHandler(con.Packetizer); s.RepeatAsyncRead(); con.SendMyVersion(param); if (con.Connect() == AuthenticationResult.Failure) { s.Close(); return null; } return con; } catch (Exception) { s.Close(); throw; } }
/** * 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); }
/// <summary> /// Establish a SSH connection /// </summary> /// <param name="socket">TCP socket which is already connected to the server.</param> /// <param name="param">SSH connection parameter</param> /// <param name="connectionEventHandlerCreator">a factory function to create a connection event handler (can be null)</param> /// <param name="protocolEventLoggerCreator">a factory function to create a protocol log event handler (can be null)</param> /// <returns>new connection object</returns> public static ISSHConnection Connect( Socket socket, SSHConnectionParameter param, Func<ISSHConnection, ISSHConnectionEventHandler> connectionEventHandlerCreator = null, Func<ISSHConnection, ISSHProtocolEventLogger> protocolEventLoggerCreator = null) { if (socket == null) { throw new ArgumentNullException("socket"); } if (param == null) { throw new ArgumentNullException("param"); } if (!socket.Connected) { throw new ArgumentException("socket is not connected to the remote host", "socket"); } if (param.UserName == null) { throw new ArgumentException("UserName property is not set", "param"); } if (param.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null) { throw new ArgumentException("Password property is not set", "param"); } string clientVersion = SSHUtil.ClientVersionString(param.Protocol); PlainSocket psocket = new PlainSocket(socket, null); try { // receive protocol version string SSHProtocolVersionReceiver protoVerReceiver = new SSHProtocolVersionReceiver(); protoVerReceiver.Receive(psocket, 5000); // verify the version string protoVerReceiver.Verify(param.Protocol); ISSHConnection sshConnection; if (param.Protocol == SSHProtocol.SSH1) { // create a connection object var con = new SSH1Connection( psocket, param, protoVerReceiver.ServerVersion, clientVersion, connectionEventHandlerCreator, protocolEventLoggerCreator); // start receiving loop psocket.RepeatAsyncRead(); // send client version con.SendMyVersion(); // establish a SSH connection con.Connect(); sshConnection = con; } else { // create a connection object var con = new SSH2Connection( psocket, param, protoVerReceiver.ServerVersion, clientVersion, connectionEventHandlerCreator, protocolEventLoggerCreator); // start receiving loop psocket.RepeatAsyncRead(); // send client version con.SendMyVersion(); // establish a SSH connection con.Connect(); sshConnection = con; } return sshConnection; } catch (Exception) { psocket.Close(); throw; } }