Method: Net::SSH::Proxy::SOCKS4#open

Defined in:
lib/net/ssh/proxy/socks4.rb

#open(host, port) ⇒ Object

Return a new socket connected to the given host and port via the proxy that was requested when the socket factory was instantiated.



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# File 'lib/net/ssh/proxy/socks4.rb', line 50

def open(host, port)
  socket = TCPSocket.new(proxy_host, proxy_port)
  ip_addr = IPAddr.new(Resolv.getaddress(host))
  
  packet = [VERSION, CONNECT, port.to_i, ip_addr.to_i, options[:user]].pack("CCnNZ*")
  socket.send packet, 0

  version, status, port, ip = socket.recv(8).unpack("CCnN")
  if status != GRANTED
    socket.close
    raise ConnectError, "error connecting to proxy (#{status})"
  end

  return socket
end