1219732Sume#!/bin/sh 2282434Sgjb# Copyright (c) 2007-2012 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 32282434Sgjb[ -z "$RESOLVCONF" ] && eval "$(@SBINDIR@/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 43282434Sgjb elif [ -x "@RCDIR@"/rc.bind ]; then 44282434Sgjb # Slackware 45282434Sgjb named_service=rc.bind 46219732Sume fi 47219732Sumefi 48219732Sume: ${named_service:=named} 49219732Sume: ${named_restart:=@RESTARTCMD ${named_service}@} 50225524Shrsnewoptions="# Generated by resolvconf$NL" 51219732Sumenewzones="$newoptions" 52219732Sume 53219732Sumeforward= 54219732Sumefor n in $NAMESERVERS; do 55219732Sume case "$forward" in 56225524Shrs *"$NL $n;"*);; 57225524Shrs *) forward="$forward$NL $n;";; 58219732Sume esac 59219732Sumedone 60219732Sumeif [ -n "$forward" ]; then 61225524Shrs newoptions="${newoptions}forward first;${NL}forwarders {$forward${NL}};$NL" 62219732Sumefi 63219732Sume 64219732Sumefor d in $DOMAINS; do 65225524Shrs newzones="${newzones}zone \"${d%%:*}\" {$NL" 66225524Shrs newzones="$newzones type forward;$NL" 67225524Shrs newzones="$newzones forward first;$NL forwarders {$NL" 68219732Sume ns="${d#*:}" 69219732Sume while [ -n "$ns" ]; do 70225524Shrs newzones="$newzones ${ns%%,*};$NL" 71219732Sume [ "$ns" = "${ns#*,}" ] && break 72219732Sume ns="${ns#*,}" 73219732Sume done 74225524Shrs newzones="$newzones };$NL};$NL" 75219732Sumedone 76219732Sume 77282434Sgjb# Try to ensure that config dirs exist 78282434Sgjbif type config_mkdirs >/dev/null 2>&1; then 79282434Sgjb config_mkdirs "$named_options" "$named_zones" 80282434Sgjbelse 81282434Sgjb @SBINDIR@/resolvconf -D "$named_options" "$named_zones" 82282434Sgjbfi 83282434Sgjb 84219732Sume# No point in changing files or reloading bind if the end result has not 85219732Sume# changed 86219732Sumechanged=false 87219732Sumeif [ -n "$named_options" ]; then 88219732Sume if [ ! -f "$named_options" ] || \ 89225524Shrs [ "$(cat "$named_options")" != "$(printf %s "$newoptions")" ] 90219732Sume then 91225524Shrs printf %s "$newoptions" >"$named_options" 92219732Sume changed=true 93219732Sume fi 94219732Sumefi 95219732Sumeif [ -n "$named_zones" ]; then 96219732Sume if [ ! -f "$named_zones" ] || \ 97225524Shrs [ "$(cat "$named_zones")" != "$(printf %s "$newzones")" ] 98219732Sume then 99225524Shrs printf %s "$newzones" >"$named_zones" 100219732Sume changed=true 101219732Sume fi 102219732Sumefi 103219732Sume 104219732Sumeif $changed; then 105219732Sume eval $named_restart 106219732Sumefi 107