@@ -11,6 +11,17 @@ import (

 	"syscall"

 )

+// Setup networking

+func setupNetworking(gw string) {

+	if gw == "" {

+		return

+	}

+	cmd := exec.Command("/sbin/route", "add", "default", "gw", gw)

+	if err := cmd.Run(); err != nil {

+		log.Fatalf("Unable to set up networking: %v", err)

+	}

+}

+

 // Takes care of dropping privileges to the desired user

 func changeUser(u string) {

 	if u == "" {

@@ -62,8 +73,11 @@ func SysInit() {

 		os.Exit(1)

 	}

 	var u = flag.String("u", "", "username or uid")

+	var gw = flag.String("g", "", "gateway address")

 	flag.Parse()

+

+	setupNetworking(*gw)

 	changeUser(*u)

 	executeProgram(flag.Arg(0), flag.Args())

 }