xref: /freebsd/contrib/openresolv/unbound.in (revision 587392a5a04955b85c3beac4cff26ca568359f54)
1*587392a5SHajimu UMEMOTO#!/bin/sh
2*587392a5SHajimu UMEMOTO# Copyright (c) 2009 Roy Marples
3*587392a5SHajimu UMEMOTO# All rights reserved
4*587392a5SHajimu UMEMOTO
5*587392a5SHajimu UMEMOTO# unbound subscriber for resolvconf
6*587392a5SHajimu UMEMOTO
7*587392a5SHajimu UMEMOTO# Redistribution and use in source and binary forms, with or without
8*587392a5SHajimu UMEMOTO# modification, are permitted provided that the following conditions
9*587392a5SHajimu UMEMOTO# are met:
10*587392a5SHajimu UMEMOTO#     * Redistributions of source code must retain the above copyright
11*587392a5SHajimu UMEMOTO#       notice, this list of conditions and the following disclaimer.
12*587392a5SHajimu UMEMOTO#     * Redistributions in binary form must reproduce the above
13*587392a5SHajimu UMEMOTO#       copyright notice, this list of conditions and the following
14*587392a5SHajimu UMEMOTO#       disclaimer in the documentation and/or other materials provided
15*587392a5SHajimu UMEMOTO#       with the distribution.
16*587392a5SHajimu UMEMOTO#
17*587392a5SHajimu UMEMOTO# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*587392a5SHajimu UMEMOTO# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*587392a5SHajimu UMEMOTO# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20*587392a5SHajimu UMEMOTO# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21*587392a5SHajimu UMEMOTO# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22*587392a5SHajimu UMEMOTO# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23*587392a5SHajimu UMEMOTO# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24*587392a5SHajimu UMEMOTO# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25*587392a5SHajimu UMEMOTO# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26*587392a5SHajimu UMEMOTO# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27*587392a5SHajimu UMEMOTO# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*587392a5SHajimu UMEMOTO
29*587392a5SHajimu UMEMOTO[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0
30*587392a5SHajimu UMEMOTO. "@SYSCONFDIR@/resolvconf.conf" || exit 1
31*587392a5SHajimu UMEMOTO[ -z "$unbound_conf" ] && exit 0
32*587392a5SHajimu UMEMOTO[ -z "$RESOLVCONF" ] && eval "$(@PREFIX@/sbin/resolvconf -v)"
33*587392a5SHajimu UMEMOTO
34*587392a5SHajimu UMEMOTO: ${unbound_pid:=/var/run/unbound.pid}
35*587392a5SHajimu UMEMOTO: ${unbound_service:=unbound}
36*587392a5SHajimu UMEMOTO: ${unbound_restart:=@RESTARTCMD ${unbound_service}@}
37*587392a5SHajimu UMEMOTOnewconf="# Generated by resolvconf\n"
38*587392a5SHajimu UMEMOTO
39*587392a5SHajimu UMEMOTOfor d in $DOMAINS; do
40*587392a5SHajimu UMEMOTO	dn="${d%%:*}"
41*587392a5SHajimu UMEMOTO	ns="${d#*:}"
42*587392a5SHajimu UMEMOTO	newconf="${newconf}\nforward-zone:\n\tname: \"$dn\"\n"
43*587392a5SHajimu UMEMOTO	while [ -n "$ns" ]; do
44*587392a5SHajimu UMEMOTO		newconf="${newconf}\tforward-addr: ${ns%%,*}\n"
45*587392a5SHajimu UMEMOTO		[ "$ns" = "${ns#*,}" ] && break
46*587392a5SHajimu UMEMOTO		ns="${ns#*,}"
47*587392a5SHajimu UMEMOTO	done
48*587392a5SHajimu UMEMOTOdone
49*587392a5SHajimu UMEMOTO
50*587392a5SHajimu UMEMOTOif [ -n "$NAMESERVERS" ]; then
51*587392a5SHajimu UMEMOTO	newconf="${newconf}\nforward-zone:\n\tname: \".\"\n"
52*587392a5SHajimu UMEMOTO	for n in $NAMESERVERS; do
53*587392a5SHajimu UMEMOTO		newconf="${newconf}\tforward-addr: $n\n"
54*587392a5SHajimu UMEMOTO	done
55*587392a5SHajimu UMEMOTOfi
56*587392a5SHajimu UMEMOTO
57*587392a5SHajimu UMEMOTOif [ ! -f "$unbound_conf" ] || \
58*587392a5SHajimu UMEMOTO	[ "$(cat "$unbound_conf")" != "$(printf "$newconf")" ]
59*587392a5SHajimu UMEMOTOthen
60*587392a5SHajimu UMEMOTO	printf "$newconf" >"$unbound_conf"
61*587392a5SHajimu UMEMOTO	# If we can't sent a HUP then force a restart
62*587392a5SHajimu UMEMOTO	if [ -s "$unbound_pid" ]; then
63*587392a5SHajimu UMEMOTO		if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then
64*587392a5SHajimu UMEMOTO			eval $unbound_restart
65*587392a5SHajimu UMEMOTO		fi
66*587392a5SHajimu UMEMOTO	else
67*587392a5SHajimu UMEMOTO		eval $unbound_restart
68*587392a5SHajimu UMEMOTO	fi
69*587392a5SHajimu UMEMOTOfi
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