#!/bin/sh -x
# If we have had $RANDOM ... compatible script with OpenWRT
# $(printf '%02x:%02x:%02x' $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256)))

nvram=/usr/sbin/nvram
uci=/sbin/uci
mac=$(dd if=/dev/urandom bs=5 count=1 2>/dev/null | hexdump -e "\"00\" 5/1 \":%02X\" \"\n\"")

$uci set wireless.radio0.macaddr=$mac
$uci commit

$nvram set il0macaddr=$mac
$nvram commit

echo $mac

/sbin/reboot