unbound.in revision 219732 
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