snippets/bash/nsupdate-dhclient-exit-hook.sh
2022-08-19 23:59:53 +02:00

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#!/bin/bash
##
# dhclient wrapper to update your dns
#
# @copyright 2021, Steffen Vogel
# @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
# @author Steffen Vogel <post@steffenvogel.de>
# @link https://www.steffenvogel.de
#
# Add this file to /etc/dhcp/dhclient-exit-hooks.d/nsupdate
# to update your dns autmatically when you get a new DHCP/IP lease from your ISP
##
NS=/usr/local/bin/nsupdate.sh
key=/etc/bind/dhcp.key
zone=0l.de
host=wg.0l.de
server=127.0.0.1
case $reason in
BOUND|RENEW|REBIND|TIMEOUT)
$NS update -d $new_ip_address -k $key -z $zone -n $server -i $interface $host ;;
RELEASE)
$NS delete -d $old_ip_address -k $key -z $zone -n $server $host ;;
esac