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#!/bin/sh
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
set -e
# Say on stdout whether to test DNSRPS
# and create dnsrps.conf and dnsrps-secondary.conf
# Note that dnsrps.conf and dnsrps-secondary.conf are included in named.conf
# and differ from dnsrpz.conf which is used by dnsrpzd.
. ../conf.sh
DNSRPS_CMD=../rpz/dnsrps
AS_NS=
TEST_DNSRPS=
MCONF=dnsrps.conf
SCONF=dnsrps-secondary.conf
USAGE="$0: [-xAD] [-M dnsrps.conf] [-S dnsrps-secondary.conf]"
while getopts "xADM:S:" c; do
case $c in
x) set -x; DEBUG=-x;;
A) AS_NS=yes;;
D) TEST_DNSRPS=yes;;
M) MCONF="$OPTARG";;
S) SCONF="$OPTARG";;
*) echo "$USAGE" 1>&2; exit 1;;
esac
done
shift $(expr $OPTIND - 1 || true)
if [ "$#" -ne 0 ]; then
echo "$USAGE" 1>&2
exit 1
fi
# erase any existing conf files
cat /dev/null > $MCONF
cat /dev/null > $SCONF
add_conf () {
echo "$*" >>$MCONF
echo "$*" >>$SCONF
}
if ! $FEATURETEST --enable-dnsrps; then
if [ -n "$TEST_DNSRPS" ]; then
add_conf "## DNSRPS disabled at compile time"
fi
add_conf "#skip"
exit 0
fi
if [ -z "$TEST_DNSRPS" ]; then
add_conf "## testing with native RPZ"
add_conf '#skip'
exit 0
else
add_conf "## testing with DNSRPS"
fi
if [ ! -x "$DNSRPS_CMD" ]; then
add_conf "## make $DNSRPS_CMD to test DNSRPS"
add_conf '#skip'
exit 0
fi
if $DNSRPS_CMD -a >/dev/null; then :
else
add_conf "## DNSRPS provider library is not available"
add_conf '#skip'
exit 0
fi
CMN=" dnsrps-options { dnsrpzd-conf ../dnsrpzd.conf
dnsrpzd-sock ../dnsrpzd.sock
dnsrpzd-rpzf ../dnsrpzd.rpzf
dnsrpzd-args '-dddd -L stdout'
log-level 3"
PRIMARY="$CMN"
if [ -n "$AS_NS" ]; then
PRIMARY="$PRIMARY
qname-as-ns yes
ip-as-ns yes"
fi
# write dnsrps settings for primary resolver
cat <<EOF >>$MCONF
$PRIMARY };
EOF
# write dnsrps settings for resolvers that should not start dnsrpzd
cat <<EOF >>$SCONF
$CMN
dnsrpzd '' }; # do not start dnsrpzd
EOF
# DNSRPS is available.
# The test should fail if the license is bad.
add_conf "dnsrps-enable yes;"
# Use alt-dnsrpzd-license.conf if it exists
CUR_L=dnsrpzd-license-cur.conf
ALT_L=alt-dnsrpzd-license.conf
# try ../rpz/alt-dnsrpzd-license.conf if alt-dnsrpzd-license.conf does not exist
[ -s $ALT_L ] || ALT_L=../rpz/alt-dnsrpzd-license.conf
if [ -s $ALT_L ]; then
SRC_L=$ALT_L
USE_ALT=
else
SRC_L=../rpz/dnsrpzd-license.conf
USE_ALT="## consider installing alt-dnsrpzd-license.conf"
fi
cp $SRC_L $CUR_L
# parse $CUR_L for the license zone name, primary IP addresses, and optional
# transfer-source IP addresses
eval `sed -n -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'\
-e 's/.*zone *\([-a-z0-9]*.license.fastrpz.com\).*/NAME=\1/p' \
-e 's/.*farsight_fastrpz_license *\([0-9.]*\);.*/IPV4=\1/p' \
-e 's/.*farsight_fastrpz_license *\([0-9a-f:]*\);.*/IPV6=\1/p' \
-e 's/.*transfer-source *\([0-9.]*\);.*/TS4=-b\1/p' \
-e 's/.*transfer-source *\([0-9a-f:]*\);.*/TS6=-b\1/p' \
-e 's/.*transfer-source-v6 *\([0-9a-f:]*\);.*/TS6=-b\1/p' \
$CUR_L`
if [ -z "$NAME" ]; then
add_conf "## no DNSRPS tests; no license domain name in $SRC_L"
add_conf '#fail'
exit 0
fi
if [ -z "$IPV4" ]; then
IPV4=license1.fastrpz.com
TS4=
fi
if [ -z "$IPV6" ]; then
IPV6=license1.fastrpz.com
TS6=
fi
# This TSIG key is common and NOT a secret
KEY='hmac-sha256:farsight_fastrpz_license:f405d02b4c8af54855fcebc1'
# Try IPv4 and then IPv6 to deal with IPv6 tunnel and connectivity problems
if `$DIG -4 -t axfr -y$KEY $TS4 $NAME @$IPV4 \
| grep -i "^$NAME.*TXT" >/dev/null`; then
exit 0
fi
if `$DIG -6 -t axfr -y$KEY $TS6 $NAME @$IPV6 \
| grep -i "^$NAME.*TXT" >/dev/null`; then
exit 0
fi
add_conf "## DNSRPS lacks a valid license via $SRC_L"
[ -z "$USE_ALT" ] || add_conf "$USE_ALT"
add_conf '#fail'
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