private void SendUserName(string username)
{
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteString(username);
SSH1Packet SSH1Packet = SSH1Packet.FromPlainPayload(PacketType.SSH_CMSG_USER, writer.ToByteArray());
SSH1Packet.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_CMSG_USER, "sent user name");
}
private void SendPlainPassword()
{
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteString(_param.Password);
SSH1Packet SSH1Packet = SSH1Packet.FromPlainPayload(PacketType.SSH_CMSG_AUTH_PASSWORD, writer.ToByteArray());
SSH1Packet.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_CMSG_AUTH_PASSWORD, "sent password");
}
private void SendRequestPTY()
{
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteString(_param.TerminalName);
writer.WriteInt32(_param.TerminalHeight);
writer.WriteInt32(_param.TerminalWidth);
writer.WriteInt32(_param.TerminalPixelWidth);
writer.WriteInt32(_param.TerminalPixelHeight);
writer.Write(new byte[1]); //TTY_OP_END
SSH1Packet SSH1Packet = SSH1Packet.FromPlainPayload(PacketType.SSH_CMSG_REQUEST_PTY, writer.ToByteArray());
SSH1Packet.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_CMSG_REQUEST_PTY, "open shell: terminal={0} width={1} height={2}", _param.TerminalName, _param.TerminalWidth, _param.TerminalHeight);
}
private void SendExecCommand()
{
Debug.WriteLine("EXEC COMMAND");
string cmd = _execCmd;
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteString(cmd);
SSH1Packet SSH1Packet = SSH1Packet.FromPlainPayload(PacketType.SSH_CMSG_EXEC_CMD, writer.ToByteArray());
SSH1Packet.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_CMSG_EXEC_CMD, "exec command: cmd={0}", cmd);
}
public override void SendIgnorableData(string msg)
{
SSH1DataWriter w = new SSH1DataWriter();
w.WriteString(msg);
SSH1Packet p = SSH1Packet.FromPlainPayload(PacketType.SSH_MSG_IGNORE, w.ToByteArray());
Transmit(p);
}
public override void ListenForwardedPort(string allowed_host, int bind_port)
{
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteInt32(bind_port);
writer.WriteString(allowed_host);
writer.WriteInt32(0);
SSH1Packet p = SSH1Packet.FromPlainPayload(PacketType.SSH_CMSG_PORT_FORWARD_REQUEST, writer.ToByteArray());
p.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_CMSG_PORT_FORWARD_REQUEST, "start to listening to remote port: host={0} port={1}", allowed_host, bind_port);
if (_shellID == -1) {
ExecShell();
_shellID = _channel_collection.RegisterChannelEventReceiver(null, new SSH1DummyReceiver()).LocalID;
}
}
public override SSHChannel ForwardPort(ISSHChannelEventReceiver receiver, string remote_host, int remote_port, string originator_host, int originator_port)
{
if (_shellID == -1) {
ExecShell();
_shellID = _channel_collection.RegisterChannelEventReceiver(null, new SSH1DummyReceiver()).LocalID;
}
int local_id = _channel_collection.RegisterChannelEventReceiver(null, receiver).LocalID;
SSH1DataWriter writer = new SSH1DataWriter();
writer.WriteInt32(local_id); //channel id is fixed to 0
writer.WriteString(remote_host);
writer.WriteInt32(remote_port);
//originator is specified only if SSH_PROTOFLAG_HOST_IN_FWD_OPEN is specified
//writer.Write(originator_host);
SSH1Packet SSH1Packet = SSH1Packet.FromPlainPayload(PacketType.SSH_MSG_PORT_OPEN, writer.ToByteArray());
SSH1Packet.WriteTo(_stream, _tCipher);
TraceTransmissionEvent(PacketType.SSH_MSG_PORT_OPEN, "open forwarded port: host={0} port={1}", remote_host, remote_port);
return new SSH1Channel(this, ChannelType.ForwardedLocalToRemote, local_id);
}
public override void Disconnect(string msg)
{
if (!this.IsOpen)
return;
SSH1DataWriter w = new SSH1DataWriter();
w.WriteString(msg);
SSH1Packet p = SSH1Packet.FromPlainPayload(PacketType.SSH_MSG_DISCONNECT, w.ToByteArray());
p.WriteTo(_stream, _tCipher);
base.Close();
}
