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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.
# shellcheck source=conf.sh
SYSTEMTESTTOP=..
. "$SYSTEMTESTTOP/conf.sh"
set -e
status=0
n=0
rm -f dig.out.*
dig_with_opts() {
"$DIG" +tcp +noadd +nosea +nostat +nocmd -p "$PORT" "$@"
}
rndc_with_opts() {
"$RNDC" -c "$SYSTEMTESTTOP/common/rndc.conf" -p "$CONTROLPORT" -s "$@"
}
echo_i "checking DNSSEC SERVFAIL is cached ($n)"
ret=0
dig_with_opts +dnssec foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
rndc_dumpdb ns5 -all
awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n >sfcache.$n
grep "^; foo.example/A" sfcache.$n >/dev/null || ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "checking SERVFAIL is returned from cache ($n)"
ret=0
dig_with_opts +dnssec foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "checking that +cd bypasses cache check ($n)"
ret=0
dig_with_opts +dnssec +cd foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
grep "SERVFAIL" dig.out.ns5.test$n >/dev/null && ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "switching to non-dnssec SERVFAIL tests"
ret=0
rndc_with_opts 10.53.0.5 flush 2>&1 | sed 's/^/I:ns5 /'
rndc_dumpdb ns5 -all
mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.1
awk '/SERVFAIL/ { next; out=1 } /Zone/ { out=0 } { if (out) print }' ns5/named_dump.db.test$n.1 >sfcache.$n.1
[ -s "sfcache.$n.1" ] && ret=1
echo_i "checking SERVFAIL is cached ($n)"
dig_with_opts bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
rndc_dumpdb ns5 -all
mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.2
awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n.2 >sfcache.$n.2
grep "^; bar.example2/A" sfcache.$n.2 >/dev/null || ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "checking SERVFAIL is returned from cache ($n)"
ret=0
nextpart ns5/named.run >/dev/null
dig_with_opts bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
nextpart ns5/named.run >ns5/named.run.part$n
grep 'servfail cache hit bar.example2/A (CD=0)' ns5/named.run.part$n >/dev/null || ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "checking cache is bypassed with +cd query ($n)"
ret=0
dig_with_opts +cd bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
nextpart ns5/named.run >ns5/named.run.part$n
grep 'servfail cache hit' ns5/named.run.part$n >/dev/null && ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "checking cache is used for subsequent +cd query ($n)"
ret=0
dig_with_opts +dnssec bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
nextpart ns5/named.run >ns5/named.run.part$n
grep 'servfail cache hit bar.example2/A (CD=1)' ns5/named.run.part$n >/dev/null || ret=1
n=$((n + 1))
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1
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