98 lines
2.9 KiB
Bash
98 lines
2.9 KiB
Bash
#!/bin/sh
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# Copyright (c) 2009-2016 Roy Marples
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# All rights reserved
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# unbound subscriber for resolvconf
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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unbound_insecure=
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[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0
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. "@SYSCONFDIR@/resolvconf.conf" || exit 1
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[ -z "$unbound_conf" ] && exit 0
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[ -z "$RESOLVCONF" ] && eval "$(@SBINDIR@/resolvconf -v)"
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NL="
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"
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: ${unbound_pid:=/var/run/unbound.pid}
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: ${unbound_service:=unbound}
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newconf="# Generated by resolvconf$NL"
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for d in $DOMAINS; do
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dn="${d%%:*}"
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ns="${d#*:}"
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case "$unbound_insecure" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
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newconf="$newconf${NL}server:$NL"
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newconf="$newconf domain-insecure: \"$dn\"$NL"
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;;
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esac
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newconf="$newconf${NL}forward-zone:$NL name: \"$dn\"$NL"
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while [ -n "$ns" ]; do
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newconf="$newconf forward-addr: ${ns%%,*}$NL"
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[ "$ns" = "${ns#*,}" ] && break
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ns="${ns#*,}"
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done
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done
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if [ -n "$NAMESERVERS" ]; then
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newconf="$newconf${NL}forward-zone:$NL name: \".\"$NL"
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for n in $NAMESERVERS; do
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newconf="$newconf forward-addr: $n$NL"
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done
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fi
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# Try to ensure that config dirs exist
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if type config_mkdirs >/dev/null 2>&1; then
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config_mkdirs "$unbound_conf"
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else
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@SBINDIR@/resolvconf -D "$unbound_conf"
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fi
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restart_unbound()
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{
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if [ -n "$unbound_restart" ]; then
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eval $unbound_restart
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elif [ -n "$RESTARTCMD" ]; then
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set -- ${unbound_service}
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eval "$RESTARTCMD"
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else
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@SBINDIR@/resolvconf -r ${unbound_service}
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fi
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}
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if [ ! -f "$unbound_conf" ] || \
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[ "$(cat "$unbound_conf")" != "$(printf %s "$newconf")" ]
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then
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printf %s "$newconf" >"$unbound_conf"
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# If we can't sent a HUP then force a restart
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if [ -s "$unbound_pid" ]; then
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if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then
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restart_unbound
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fi
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else
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restart_unbound
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fi
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fi
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