C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// require 'socket' require 'net/ssh/ruby_compat' require 'net/ssh/proxy/errors' module Net module SSH module Proxy # An implementation of a SOCKS5 proxy. To use it, instantiate it, then # pass the instantiated object via the :proxy key to Net::SSH.start: # # require 'net/ssh/proxy/socks5' # # proxy = Net::SSH::Proxy::SOCKS5.new('proxy.host', proxy_port, # :user => 'user', :password => "password") # Net::SSH.start('host', 'user', :proxy => proxy) do |ssh| # ... # end class SOCKS5 # The SOCKS protocol version used by this class VERSION = 5 # The SOCKS authentication type for requests without authentication METHOD_NO_AUTH = 0 # The SOCKS authentication type for requests via username/password METHOD_PASSWD = 2 # The SOCKS authentication type for when there are no supported # authentication methods. METHOD_NONE = 0xFF # The SOCKS packet type for requesting a proxy connection. CMD_CONNECT = 1 # The SOCKS address type for connections via IP address. ATYP_IPV4 = 1 # The SOCKS address type for connections via domain name. ATYP_DOMAIN = 3 # The SOCKS response code for a successful operation. SUCCESS = 0 # The proxy's host name or IP address attr_reader :proxy_host # The proxy's port number attr_reader :proxy_port # The map of options given at initialization attr_reader :options # Create a new proxy connection to the given proxy host and port. # Optionally, :user and :password options may be given to # identify the username and password with which to authenticate. 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. def open(host, port, connection_options) socket = Socket.tcp(proxy_host, proxy_port, nil, nil, connect_timeout: connection_options[:timeout]) methods = [METHOD_NO_AUTH] methods << METHOD_PASSWD if options[:user] packet = [VERSION, methods.size, *methods].pack("C*") socket.send packet, 0 version, method = socket.recv(2).unpack("CC") if version != VERSION socket.close raise Net::SSH::Proxy::Error, "invalid SOCKS version (#{version})" end if method == METHOD_NONE socket.close raise Net::SSH::Proxy::Er