An implementation of a SOCKS4 proxy. To use it, instantiate it, then pass the instantiated object via the :proxy key to Net::SSH.start:
require 'net/ssh/proxy/socks4' proxy = Net::SSH::Proxy::SOCKS4.new('proxy.host', proxy_port, :user => 'user') Net::SSH.start('host', 'user', :proxy => proxy) do |ssh| ... end
Create a new proxy connection to the given proxy host and port. Optionally, a :user key may be given to identify the username with which to authenticate.
# File lib/net/ssh/proxy/socks4.rb, line 42 def initialize(proxy_host, proxy_port=1080, options={}) @proxy_host = proxy_host @proxy_port = proxy_port @options = options end
Return a new socket connected to the given host and port via the proxy that was requested when the socket factory was instantiated.
# File lib/net/ssh/proxy/socks4.rb, line 50 def open(host, port, connection_options) 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
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