1#!/bin/sh 2# Copyright (c) 2009 Roy Marples 3# All rights reserved 4 5# unbound subscriber for resolvconf 6 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# * Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# * Redistributions in binary form must reproduce the above 13# copyright notice, this list of conditions and the following 14# disclaimer in the documentation and/or other materials provided 15# with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0 30. "@SYSCONFDIR@/resolvconf.conf" || exit 1 31[ -z "$unbound_conf" ] && exit 0 32[ -z "$RESOLVCONF" ] && eval "$(@PREFIX@/sbin/resolvconf -v)" 33 34: ${unbound_pid:=/var/run/unbound.pid} 35: ${unbound_service:=unbound} 36: ${unbound_restart:=@RESTARTCMD ${unbound_service}@} 37newconf="# Generated by resolvconf\n" 38 39for d in $DOMAINS; do 40 dn="${d%%:*}" 41 ns="${d#*:}" 42 newconf="${newconf}\nforward-zone:\n\tname: \"$dn\"\n" 43 while [ -n "$ns" ]; do 44 newconf="${newconf}\tforward-addr: ${ns%%,*}\n" 45 [ "$ns" = "${ns#*,}" ] && break 46 ns="${ns#*,}" 47 done 48done 49 50if [ -n "$NAMESERVERS" ]; then 51 newconf="${newconf}\nforward-zone:\n\tname: \".\"\n" 52 for n in $NAMESERVERS; do 53 newconf="${newconf}\tforward-addr: $n\n" 54 done 55fi 56 57if [ ! -f "$unbound_conf" ] || \ 58 [ "$(cat "$unbound_conf")" != "$(printf "$newconf")" ] 59then 60 printf "$newconf" >"$unbound_conf" 61 # If we can't sent a HUP then force a restart 62 if [ -s "$unbound_pid" ]; then 63 if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then 64 eval $unbound_restart 65 fi 66 else 67 eval $unbound_restart 68 fi 69fi 70