xref: /freebsd/contrib/openresolv/unbound.in (revision a02aba5f3c73d7ed377f88327fedd11f70f23353)
1587392a5SHajimu UMEMOTO#!/bin/sh
2587392a5SHajimu UMEMOTO# Copyright (c) 2009 Roy Marples
3587392a5SHajimu UMEMOTO# All rights reserved
4587392a5SHajimu UMEMOTO
5587392a5SHajimu UMEMOTO# unbound subscriber for resolvconf
6587392a5SHajimu UMEMOTO
7587392a5SHajimu UMEMOTO# Redistribution and use in source and binary forms, with or without
8587392a5SHajimu UMEMOTO# modification, are permitted provided that the following conditions
9587392a5SHajimu UMEMOTO# are met:
10587392a5SHajimu UMEMOTO#     * Redistributions of source code must retain the above copyright
11587392a5SHajimu UMEMOTO#       notice, this list of conditions and the following disclaimer.
12587392a5SHajimu UMEMOTO#     * Redistributions in binary form must reproduce the above
13587392a5SHajimu UMEMOTO#       copyright notice, this list of conditions and the following
14587392a5SHajimu UMEMOTO#       disclaimer in the documentation and/or other materials provided
15587392a5SHajimu UMEMOTO#       with the distribution.
16587392a5SHajimu UMEMOTO#
17587392a5SHajimu UMEMOTO# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18587392a5SHajimu UMEMOTO# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19587392a5SHajimu UMEMOTO# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20587392a5SHajimu UMEMOTO# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21587392a5SHajimu UMEMOTO# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22587392a5SHajimu UMEMOTO# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23587392a5SHajimu UMEMOTO# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24587392a5SHajimu UMEMOTO# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25587392a5SHajimu UMEMOTO# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26587392a5SHajimu UMEMOTO# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27587392a5SHajimu UMEMOTO# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28587392a5SHajimu UMEMOTO
29587392a5SHajimu UMEMOTO[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0
30587392a5SHajimu UMEMOTO. "@SYSCONFDIR@/resolvconf.conf" || exit 1
31587392a5SHajimu UMEMOTO[ -z "$unbound_conf" ] && exit 0
32587392a5SHajimu UMEMOTO[ -z "$RESOLVCONF" ] && eval "$(@PREFIX@/sbin/resolvconf -v)"
33*a02aba5fSHiroki SatoNL="
34*a02aba5fSHiroki Sato"
35587392a5SHajimu UMEMOTO
36587392a5SHajimu UMEMOTO: ${unbound_pid:=/var/run/unbound.pid}
37587392a5SHajimu UMEMOTO: ${unbound_service:=unbound}
38587392a5SHajimu UMEMOTO: ${unbound_restart:=@RESTARTCMD ${unbound_service}@}
39*a02aba5fSHiroki Satonewconf="# Generated by resolvconf$NL"
40587392a5SHajimu UMEMOTO
41587392a5SHajimu UMEMOTOfor d in $DOMAINS; do
42587392a5SHajimu UMEMOTO	dn="${d%%:*}"
43587392a5SHajimu UMEMOTO	ns="${d#*:}"
44*a02aba5fSHiroki Sato	newconf="$newconf${NL}forward-zone:$NL	name: \"$dn\"$NL"
45587392a5SHajimu UMEMOTO	while [ -n "$ns" ]; do
46*a02aba5fSHiroki Sato		newconf="$newconf	forward-addr: ${ns%%,*}$NL"
47587392a5SHajimu UMEMOTO		[ "$ns" = "${ns#*,}" ] && break
48587392a5SHajimu UMEMOTO		ns="${ns#*,}"
49587392a5SHajimu UMEMOTO	done
50587392a5SHajimu UMEMOTOdone
51587392a5SHajimu UMEMOTO
52587392a5SHajimu UMEMOTOif [ -n "$NAMESERVERS" ]; then
53*a02aba5fSHiroki Sato	newconf="$newconf${NL}forward-zone:$NL	name: \".\"$NL"
54587392a5SHajimu UMEMOTO	for n in $NAMESERVERS; do
55*a02aba5fSHiroki Sato		newconf="$newconf	forward-addr: $n$NL"
56587392a5SHajimu UMEMOTO	done
57587392a5SHajimu UMEMOTOfi
58587392a5SHajimu UMEMOTO
59587392a5SHajimu UMEMOTOif [ ! -f "$unbound_conf" ] || \
60*a02aba5fSHiroki Sato	[ "$(cat "$unbound_conf")" != "$(printf %s "$newconf")" ]
61587392a5SHajimu UMEMOTOthen
62*a02aba5fSHiroki Sato	printf %s "$newconf" >"$unbound_conf"
63587392a5SHajimu UMEMOTO	# If we can't sent a HUP then force a restart
64587392a5SHajimu UMEMOTO	if [ -s "$unbound_pid" ]; then
65587392a5SHajimu UMEMOTO		if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then
66587392a5SHajimu UMEMOTO			eval $unbound_restart
67587392a5SHajimu UMEMOTO		fi
68587392a5SHajimu UMEMOTO	else
69587392a5SHajimu UMEMOTO		eval $unbound_restart
70587392a5SHajimu UMEMOTO	fi
71587392a5SHajimu UMEMOTOfi
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