#!/bin/sh

. /lib/functions.sh

[ "$(uci_get network globals ula_prefix)" != "auto" ] && exit 0

r1=$(dd if=/dev/urandom bs=1 count=1 | hexdump -e '1/1 "%02x"')
r2=$(dd if=/dev/urandom bs=2 count=1 | hexdump -e '2/1 "%02x"')
r3=$(dd if=/dev/urandom bs=2 count=1 | hexdump -e '2/1 "%02x"')

uci_set "network" "globals" "ula_prefix" "fd${r1}:${r2}:${r3}::/48"
uci_commit "network"

exit 0

