#!/bin/sh# XXX take a look at wifizooIFACE=${IFACE:-wlan1}if[$#-lt2];thenecho"usage: $0 mac chan [iface]"exit1fiMAC=$1CHAN=$2
sudoiwconfig$IFACEmodeMonitor
sudoiwconfig$IFACEchannel$CHAN
sudotcpdump-ni$IFACEether$MAC# sniff(iface="wlan0", prn=lambda x: x.show())