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257 lines
9 KiB
Bash
257 lines
9 KiB
Bash
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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#shellcheck source=conf.sh
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SYSTEMTESTTOP=..
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. "$SYSTEMTESTTOP/conf.sh"
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dig_with_opts() (
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"$DIG" -p "$PORT" "$@"
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)
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sendcmd() (
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"$PERL" ../send.pl 10.53.0.6 "$EXTRAPORT1"
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)
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rndccmd() {
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"$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
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}
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root=10.53.0.1
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hidden=10.53.0.2
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f1=10.53.0.3
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f2=10.53.0.4
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status=0
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n=0
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n=$((n+1))
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echo_i "checking that a forward zone overrides global forwarders ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example1. txt @$hidden > dig.out.$n.hidden || ret=1
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dig_with_opts +noadd +noauth txt.example1. txt @$f1 > dig.out.$n.f1 || ret=1
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digcomp dig.out.$n.hidden dig.out.$n.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that a forward first zone no forwarders recurses ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
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dig_with_opts +noadd +noauth txt.example2. txt @$f1 > dig.out.$n.f1 || ret=1
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digcomp dig.out.$n.root dig.out.$n.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that a forward only zone no forwarders fails ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
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dig_with_opts +noadd +noauth txt.example2. txt @$f1 > dig.out.$n.f1 || ret=1
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digcomp dig.out.$n.root dig.out.$n.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that global forwarders work ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example4. txt @$hidden > dig.out.$n.hidden || ret=1
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dig_with_opts +noadd +noauth txt.example4. txt @$f1 > dig.out.$n.f1 || ret=1
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digcomp dig.out.$n.hidden dig.out.$n.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that a forward zone works ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example1. txt @$hidden > dig.out.$n.hidden || ret=1
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dig_with_opts +noadd +noauth txt.example1. txt @$f2 > dig.out.$n.f2 || ret=1
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digcomp dig.out.$n.hidden dig.out.$n.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that forwarding doesn't spontaneously happen ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
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dig_with_opts +noadd +noauth txt.example2. txt @$f2 > dig.out.$n.f2 || ret=1
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digcomp dig.out.$n.root dig.out.$n.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that a forward zone with no specified policy works ($n)"
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ret=0
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dig_with_opts +noadd +noauth txt.example3. txt @$hidden > dig.out.$n.hidden || ret=1
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dig_with_opts +noadd +noauth txt.example3. txt @$f2 > dig.out.$n.f2 || ret=1
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digcomp dig.out.$n.hidden dig.out.$n.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that a forward only doesn't recurse ($n)"
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ret=0
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dig_with_opts txt.example5. txt @$f2 > dig.out.$n.f2 || ret=1
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grep "SERVFAIL" dig.out.$n.f2 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking for negative caching of forwarder response ($n)"
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# prime the cache, shutdown the forwarder then check that we can
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# get the answer from the cache. restart forwarder.
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ret=0
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dig_with_opts nonexist. txt @10.53.0.5 > dig.out.$n.f2 || ret=1
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grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null || ret=1
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$PERL ../stop.pl forward ns4 || ret=1
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dig_with_opts nonexist. txt @10.53.0.5 > dig.out.$n.f2 || ret=1
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grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null || ret=1
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$PERL ../start.pl --restart --noclean --port "${PORT}" forward ns4 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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check_override() (
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dig_with_opts 1.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.$n.f2 &&
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grep "status: NOERROR" dig.out.$n.f2 > /dev/null &&
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dig_with_opts 2.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.$n.f2 &&
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grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null
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)
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n=$((n+1))
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echo_i "checking that forward only zone overrides empty zone ($n)"
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ret=0
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# retry loop in case the server restart above causes transient failure
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retry_quiet 10 check_override || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that DS lookups for grafting forward zones are isolated ($n)"
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ret=0
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dig_with_opts grafted A @10.53.0.4 > dig.out.$n.q1 || ret=1
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dig_with_opts grafted DS @10.53.0.4 > dig.out.$n.q2 || ret=1
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dig_with_opts grafted A @10.53.0.4 > dig.out.$n.q3 || ret=1
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dig_with_opts grafted AAAA @10.53.0.4 > dig.out.$n.q4 || ret=1
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grep "status: NOERROR" dig.out.$n.q1 > /dev/null || ret=1
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grep "status: NXDOMAIN" dig.out.$n.q2 > /dev/null || ret=1
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grep "status: NOERROR" dig.out.$n.q3 > /dev/null || ret=1
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grep "status: NOERROR" dig.out.$n.q4 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that rfc1918 inherited 'forward first;' zones are warned about ($n)"
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ret=0
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$CHECKCONF rfc1918-inherited.conf | grep "forward first;" >/dev/null || ret=1
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$CHECKCONF rfc1918-notinherited.conf | grep "forward first;" >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that ULA inherited 'forward first;' zones are warned about ($n)"
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ret=0
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$CHECKCONF ula-inherited.conf | grep "forward first;" >/dev/null || ret=1
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$CHECKCONF ula-notinherited.conf | grep "forward first;" >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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count_sent() (
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logfile="$1"
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start_pattern="$2"
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pattern="$3"
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nextpartpeek "$logfile" | tr -d '\r' | sed -n "/$start_pattern/,/^\$/p" | grep -c "$pattern"
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)
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check_sent() (
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expected="$1"
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shift
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count=$(count_sent "$@")
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[ "$expected" = "$count" ]
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)
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wait_for_log() (
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nextpartpeek "$1" | grep "$2" >/dev/null
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)
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n=$((n+1))
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echo_i "checking that a forwarder timeout prevents it from being reused in the same fetch context ($n)"
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ret=0
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# Make ans6 receive queries without responding to them.
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echo "//" | sendcmd
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# Query for a record in a zone which is forwarded to a non-responding forwarder
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# and is delegated from the root to check whether the forwarder will be retried
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# when a delegation is encountered after falling back to full recursive
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# resolution.
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nextpart ns3/named.run >/dev/null
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dig_with_opts txt.example7. txt @$f1 > dig.out.$n.f1 || ret=1
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# The forwarder for the "example7" zone should only be queried once.
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start_pattern="sending packet to 10\.53\.0\.6"
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retry_quiet 5 wait_for_log ns3/named.run "$start_pattern"
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check_sent 1 ns3/named.run "$start_pattern" ";txt\.example7\.[[:space:]]*IN[[:space:]]*TXT$" || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that priming queries are not forwarded ($n)"
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ret=0
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nextpart ns7/named.run >/dev/null
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dig_with_opts +noadd +noauth txt.example1. txt @10.53.0.7 > dig.out.$n.f7 || ret=1
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received_pattern="received packet from 10\.53\.0\.1"
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start_pattern="sending packet to 10\.53\.0\.1"
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retry_quiet 5 wait_for_log ns7/named.run "$received_pattern" || ret=1
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check_sent 1 ns7/named.run "$start_pattern" ";\.[[:space:]]*IN[[:space:]]*NS$" || ret=1
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sent=$(grep -c "10.53.0.7#.* (.): query '\./NS/IN' approved" ns4/named.run)
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[ "$sent" -eq 0 ] || ret=1
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sent=$(grep -c "10.53.0.7#.* (.): query '\./NS/IN' approved" ns1/named.run)
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[ "$sent" -eq 1 ] || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking recovery from forwarding to a non-recursive server ($n)"
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ret=0
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dig_with_opts xxx.sld.tld txt @10.53.0.8 > dig.out.$n.f8 || ret=1
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grep "status: NOERROR" dig.out.$n.f8 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking that rebinding protection works in forward only mode ($n)"
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ret=0
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# 10.53.0.5 will forward target.malicious. query to 10.53.0.4
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# which in turn will return a CNAME for subdomain.rebind.
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# to honor the option deny-answer-aliases { "rebind"; };
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# ns5 should return a SERVFAIL to avoid potential rebinding attacks
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dig_with_opts +noadd +noauth @10.53.0.5 target.malicious. > dig.out.$n || ret=1
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grep "status: SERVFAIL" dig.out.$n > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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n=$((n+1))
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echo_i "checking switch from forwarding to normal resolution while chasing DS ($n)"
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ret=0
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copy_setports ns3/named2.conf.in ns3/named.conf
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rndccmd 10.53.0.3 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
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sleep 1
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sendcmd << EOF
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/ns1.sld.tld/A/
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300 A 10.53.0.2
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/sld.tld/NS/
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300 NS ns1.sld.tld.
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/sld.tld/
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EOF
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nextpart ns3/named.run >/dev/null
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dig_with_opts @$f1 xxx.yyy.sld.tld ds > dig.out.$n.f1 || ret=1
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grep "status: SERVFAIL" dig.out.$n.f1 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status+ret))
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echo_i "exit status: $status"
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[ $status -eq 0 ] || exit 1
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