ClientInjector is a client that tries to emulate a real client (with MAC@ Spoofing, ARP).
Currently, only DHCPv4 is supported (planed to add DHCPv6).
Special thank to this wonderful project gopacket

Pcap dev headers might be necessary

apt-get install libpcap-dev

Testing only on Linux.
You have to be root for reading packet on wire (use c binding of libpcap via gopacket).