1219732Sume#!/bin/sh 2304515Spfg# Copyright (c) 2007-2016 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 \ 38304515Spfg -d "$RCDIR" -a ! -x "$RCDIR"/named ] 39219732Sumethen 40304515Spfg if [ -x "$RCDIR"/bind9 ]; then 41219732Sume # Debian and derivatives 42219732Sume named_service=bind9 43304515Spfg elif [ -x "$RCDIR"/rc.bind ]; then 44282434Sgjb # Slackware 45282434Sgjb named_service=rc.bind 46219732Sume fi 47219732Sumefi 48219732Sume: ${named_service:=named} 49304515Spfg 50304515Spfg: ${named_pid:=/var/run/$named_service.pid} 51304515Spfg[ -s "$named_pid" ] || named_pid=/var/run/$named_service/$named_service.pid 52304515Spfg[ -s "$named_pid" ] || unset named_pid 53304515Spfg 54225524Shrsnewoptions="# Generated by resolvconf$NL" 55219732Sumenewzones="$newoptions" 56219732Sume 57219732Sumeforward= 58219732Sumefor n in $NAMESERVERS; do 59219732Sume case "$forward" in 60225524Shrs *"$NL $n;"*);; 61225524Shrs *) forward="$forward$NL $n;";; 62219732Sume esac 63219732Sumedone 64219732Sumeif [ -n "$forward" ]; then 65225524Shrs newoptions="${newoptions}forward first;${NL}forwarders {$forward${NL}};$NL" 66219732Sumefi 67219732Sume 68219732Sumefor d in $DOMAINS; do 69225524Shrs newzones="${newzones}zone \"${d%%:*}\" {$NL" 70225524Shrs newzones="$newzones type forward;$NL" 71225524Shrs newzones="$newzones forward first;$NL forwarders {$NL" 72219732Sume ns="${d#*:}" 73219732Sume while [ -n "$ns" ]; do 74225524Shrs newzones="$newzones ${ns%%,*};$NL" 75219732Sume [ "$ns" = "${ns#*,}" ] && break 76219732Sume ns="${ns#*,}" 77219732Sume done 78225524Shrs newzones="$newzones };$NL};$NL" 79219732Sumedone 80219732Sume 81282434Sgjb# Try to ensure that config dirs exist 82282434Sgjbif type config_mkdirs >/dev/null 2>&1; then 83282434Sgjb config_mkdirs "$named_options" "$named_zones" 84282434Sgjbelse 85282434Sgjb @SBINDIR@/resolvconf -D "$named_options" "$named_zones" 86282434Sgjbfi 87282434Sgjb 88219732Sume# No point in changing files or reloading bind if the end result has not 89219732Sume# changed 90219732Sumechanged=false 91219732Sumeif [ -n "$named_options" ]; then 92219732Sume if [ ! -f "$named_options" ] || \ 93225524Shrs [ "$(cat "$named_options")" != "$(printf %s "$newoptions")" ] 94219732Sume then 95225524Shrs printf %s "$newoptions" >"$named_options" 96219732Sume changed=true 97219732Sume fi 98219732Sumefi 99219732Sumeif [ -n "$named_zones" ]; then 100219732Sume if [ ! -f "$named_zones" ] || \ 101225524Shrs [ "$(cat "$named_zones")" != "$(printf %s "$newzones")" ] 102219732Sume then 103225524Shrs printf %s "$newzones" >"$named_zones" 104219732Sume changed=true 105219732Sume fi 106219732Sumefi 107219732Sume 108304515Spfg# named does not seem to work with SIGHUP which is a same 109219732Sumeif $changed; then 110304515Spfg if [ -n "$named_restart" ]; then 111304515Spfg eval $named_restart 112304515Spfg elif [ -n "$RESTARTCMD" ]; then 113304515Spfg set -- ${named_service} 114304515Spfg eval $RESTARTCMD 115304515Spfg else 116304515Spfg @SBINDIR@/resolvconf -r ${named_service} 117304515Spfg fi 118219732Sumefi 119