1219732Sume#!/bin/sh 2219732Sume# Copyright (c) 2007-2009 Roy Marples 3219732Sume# All rights reserved 4219732Sume 5219732Sume# named subscriber for resolvconf 6219732Sume 7219732Sume# Redistribution and use in source and binary forms, with or without 8219732Sume# modification, are permitted provided that the following conditions 9219732Sume# are met: 10219732Sume# * Redistributions of source code must retain the above copyright 11219732Sume# notice, this list of conditions and the following disclaimer. 12219732Sume# * Redistributions in binary form must reproduce the above 13219732Sume# copyright notice, this list of conditions and the following 14219732Sume# disclaimer in the documentation and/or other materials provided 15219732Sume# with the distribution. 16219732Sume# 17219732Sume# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18219732Sume# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19219732Sume# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20219732Sume# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21219732Sume# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22219732Sume# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23219732Sume# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24219732Sume# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25219732Sume# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26219732Sume# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27219732Sume# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28219732Sume 29219732Sume[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0 30219732Sume. "@SYSCONFDIR@/resolvconf.conf" || exit 1 31219732Sume[ -z "$named_zones" -a -z "$named_options" ] && exit 0 32219732Sume[ -z "$RESOLVCONF" ] && eval "$(@PREFIX@/sbin/resolvconf -v)" 33225524ShrsNL=" 34225524Shrs" 35219732Sume 36219732Sume# Platform specific kludges 37219732Sumeif [ -z "$named_service" -a -z "$named_restart" -a \ 38219732Sume -d "@RCDIR@" -a ! -x "@RCDIR@"/named ] 39219732Sumethen 40219732Sume if [ -x "@RCDIR@"/bind9 ]; then 41219732Sume # Debian and derivatives 42219732Sume named_service=bind9 43219732Sume fi 44219732Sumefi 45219732Sume: ${named_service:=named} 46219732Sume: ${named_restart:=@RESTARTCMD ${named_service}@} 47225524Shrsnewoptions="# Generated by resolvconf$NL" 48219732Sumenewzones="$newoptions" 49219732Sume 50219732Sumeforward= 51219732Sumefor n in $NAMESERVERS; do 52219732Sume case "$forward" in 53225524Shrs *"$NL $n;"*);; 54225524Shrs *) forward="$forward$NL $n;";; 55219732Sume esac 56219732Sumedone 57219732Sumeif [ -n "$forward" ]; then 58225524Shrs newoptions="${newoptions}forward first;${NL}forwarders {$forward${NL}};$NL" 59219732Sumefi 60219732Sume 61219732Sumefor d in $DOMAINS; do 62225524Shrs newzones="${newzones}zone \"${d%%:*}\" {$NL" 63225524Shrs newzones="$newzones type forward;$NL" 64225524Shrs newzones="$newzones forward first;$NL forwarders {$NL" 65219732Sume ns="${d#*:}" 66219732Sume while [ -n "$ns" ]; do 67225524Shrs newzones="$newzones ${ns%%,*};$NL" 68219732Sume [ "$ns" = "${ns#*,}" ] && break 69219732Sume ns="${ns#*,}" 70219732Sume done 71225524Shrs newzones="$newzones };$NL};$NL" 72219732Sumedone 73219732Sume 74219732Sume# No point in changing files or reloading bind if the end result has not 75219732Sume# changed 76219732Sumechanged=false 77219732Sumeif [ -n "$named_options" ]; then 78219732Sume if [ ! -f "$named_options" ] || \ 79225524Shrs [ "$(cat "$named_options")" != "$(printf %s "$newoptions")" ] 80219732Sume then 81225524Shrs printf %s "$newoptions" >"$named_options" 82219732Sume changed=true 83219732Sume fi 84219732Sumefi 85219732Sumeif [ -n "$named_zones" ]; then 86219732Sume if [ ! -f "$named_zones" ] || \ 87225524Shrs [ "$(cat "$named_zones")" != "$(printf %s "$newzones")" ] 88219732Sume then 89225524Shrs printf %s "$newzones" >"$named_zones" 90219732Sume changed=true 91219732Sume fi 92219732Sumefi 93219732Sume 94219732Sumeif $changed; then 95219732Sume eval $named_restart 96219732Sumefi 97