arp-spoofer: new package

pkg/arp-spoofer/cmd/main.go

@@ -0,0 +1,26 @@
+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)
+}