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Direktori : /proc/thread-self/root/opt/alt/ruby18/lib64/ruby/1.8/ |
Current File : //proc/thread-self/root/opt/alt/ruby18/lib64/ruby/1.8/resolv-replace.rb |
require 'socket' require 'resolv' class << IPSocket alias original_resolv_getaddress getaddress def getaddress(host) begin return Resolv.getaddress(host).to_s rescue Resolv::ResolvError raise SocketError, "Hostname not known: #{host}" end end end class TCPSocket alias original_resolv_initialize initialize def initialize(host, serv, *rest) rest[0] = IPSocket.getaddress(rest[0]) unless rest.empty? original_resolv_initialize(IPSocket.getaddress(host), serv, *rest) end end class UDPSocket alias original_resolv_bind bind def bind(host, port) host = IPSocket.getaddress(host) if host != "" original_resolv_bind(host, port) end alias original_resolv_connect connect def connect(host, port) original_resolv_connect(IPSocket.getaddress(host), port) end alias original_resolv_send send def send(mesg, flags, *rest) if rest.length == 2 host, port = rest begin addrs = Resolv.getaddresses(host) rescue Resolv::ResolvError raise SocketError, "Hostname not known: #{host}" end err = nil addrs[0...-1].each {|addr| begin return original_resolv_send(mesg, flags, addr, port) rescue SystemCallError end } original_resolv_send(mesg, flags, addrs[-1], port) else original_resolv_send(mesg, flags, *rest) end end end class SOCKSSocket alias original_resolv_initialize initialize def initialize(host, serv) original_resolv_initialize(IPSocket.getaddress(host), port) end end if defined? SOCKSSocket