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todb-r7/rexsocket_multicast.rb Secret

Created June 22, 2012 15:48
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Rex sockets are just socket wrappers
Raw
rexsocket_multicast.rb
>> @sock = Rex::Socket.create_udp
=> #<Socket:fd 6>
>> optval = IPAddr.new("224.0.0.251").to_s + [Socket::INADDR_ANY].pack("N")
=> "224.0.0.251\x00\x00\x00\x00"
>> @sock.setsockopt(::Socket::IPPROTO_IP, ::Socket::IP_ADD_MEMBERSHIP, optval)
>> optval = IPAddr.new("224.0.0.251").hton + [Socket::INADDR_ANY].pack("N")
=> "\xE0\x00\x00\xFB\x00\x00\x00\x00"
>> @sock.setsockopt(::Socket::IPPROTO_IP, ::Socket::IP_ADD_MEMBERSHIP, optval)
=> 0
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