1#!/bin/sh 2# Copyright (c) 2009-2011 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)" 33NL=" 34" 35 36: ${unbound_pid:=/var/run/unbound.pid} 37: ${unbound_service:=unbound} 38: ${unbound_restart:=@RESTARTCMD ${unbound_service}@} 39newconf="# Generated by resolvconf$NL" 40 41for d in $DOMAINS; do 42 dn="${d%%:*}" 43 ns="${d#*:}" 44 newconf="$newconf${NL}forward-zone:$NL name: \"$dn\"$NL" 45 while [ -n "$ns" ]; do 46 newconf="$newconf forward-addr: ${ns%%,*}$NL" 47 [ "$ns" = "${ns#*,}" ] && break 48 ns="${ns#*,}" 49 done 50done 51 52if [ -n "$NAMESERVERS" ]; then 53 newconf="$newconf${NL}forward-zone:$NL name: \".\"$NL" 54 for n in $NAMESERVERS; do 55 newconf="$newconf forward-addr: $n$NL" 56 done 57fi 58 59# Try to ensure that config dirs exist 60if type config_mkdirs >/dev/null 2>&1; then 61 config_mkdirs "$unbound_conf" 62else 63 @PREFIX@/sbin/resolvconf -D "$unbound_conf" 64fi 65 66if [ ! -f "$unbound_conf" ] || \ 67 [ "$(cat "$unbound_conf")" != "$(printf %s "$newconf")" ] 68then 69 printf %s "$newconf" >"$unbound_conf" 70 # If we can't sent a HUP then force a restart 71 if [ -s "$unbound_pid" ]; then 72 if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then 73 eval $unbound_restart 74 fi 75 else 76 eval $unbound_restart 77 fi 78fi 79