def_sniff

# def sniff

def dsniff(iface):
    if iface =="":
        print("No Wireless Interface")
        sleep(2)
    else:
        os.popen("ettercap -Tqi " + iface + " &")
        os.popen("xterm -e dsniff -i " + iface + " &")
        os.popen("xterm -e driftnet -i " + iface + " &")
        os.popen("xterm -e msgsnarf -i " + iface + " &")
        os.popen("xterm -e urlsnarf -i " + iface)
        os.popen("killall xterm && rm dsniff.services")