package main import ( "flag" "log" "net" ) func main() { var ifacestr = flag.String("iface", "eth0", "Interface to use") var ipspoof = flag.String("ip-spoof", "", "IP to ARP spoof") flag.Parse() iface, err := net.InterfaceByName(*ifacestr) if err != nil { log.Fatal("Unable to find interface to do ARP spoof:", err) } ipS := net.ParseIP(*ipspoof) if ipS == nil { log.Fatal("No IP given to ARP spoof. Skipping it") } // Start ARP spoofing ARPSpoof(iface, ipS) }