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https://github.com/isc-projects/bind9.git
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24a684db94
verify that updates are refused when the client is disallowed by
allow-query, and update forwarding is refused when the client is
is disallowed by update-forwarding.
verify that "too many DNS UPDATEs" appears in the log file when too
many simultaneous updates are processing.
(cherry picked from commit b91339b80e)
293 lines
8.6 KiB
Bash
293 lines
8.6 KiB
Bash
#!/bin/sh
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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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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# ns1 = stealth primary
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# ns2 = secondary with update forwarding disabled; not currently used
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# ns3 = secondary with update forwarding enabled
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. ../conf.sh
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DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
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RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf"
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status=0
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n=1
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capture_dnstap() {
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retry_quiet 20 test -f ns3/dnstap.out && mv ns3/dnstap.out dnstap.out.$n
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$RNDCCMD -s 10.53.0.3 dnstap -reopen
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}
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uq_equals_ur() {
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"$DNSTAPREAD" dnstap.out.$n |
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awk '$3 == "UQ" { UQ+=1 } $3 == "UR" { UR += 1 } END { print UQ+0, UR+0 }' > dnstapread.out$n
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read UQ UR < dnstapread.out$n
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echo_i "UQ=$UQ UR=$UR"
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test $UQ -eq $UR || return 1
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}
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echo_i "waiting for servers to be ready for testing ($n)"
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for i in 1 2 3 4 5 6 7 8 9 10
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do
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ret=0
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$DIG +tcp -p ${PORT} example. @10.53.0.1 soa > dig.out.ns1 || ret=1
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grep "status: NOERROR" dig.out.ns1 > /dev/null || ret=1
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$DIG +tcp -p ${PORT} example. @10.53.0.2 soa > dig.out.ns2 || ret=1
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grep "status: NOERROR" dig.out.ns2 > /dev/null || ret=1
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$DIG +tcp -p ${PORT} example. @10.53.0.3 soa > dig.out.ns3 || ret=1
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grep "status: NOERROR" dig.out.ns3 > /dev/null || ret=1
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test $ret = 0 && break
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sleep 1
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done
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "fetching primary copy of zone before update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.1 axfr > dig.out.ns1 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "fetching secondary 1 copy of zone before update ($n)"
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$DIG $DIGOPTS example.\
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@10.53.0.2 axfr > dig.out.ns2 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "fetching secondary 2 copy of zone before update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.3 axfr > dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "comparing pre-update copies to known good data ($n)"
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ret=0
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digcomp knowngood.before dig.out.ns1 || ret=1
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digcomp knowngood.before dig.out.ns2 || ret=1
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digcomp knowngood.before dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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echo_i "updating zone (signed) ($n)"
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ret=0
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$NSUPDATE -y update.example:c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K -- - <<EOF || ret=1
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local 10.53.0.1
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server 10.53.0.3 ${PORT}
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update add updated.example. 600 A 10.10.10.1
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update add updated.example. 600 TXT Foo
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send
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EOF
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "sleeping 15 seconds for server to incorporate changes"
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sleep 15
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echo_i "fetching primary copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.1 axfr > dig.out.ns1 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "fetching secondary 1 copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.2 axfr > dig.out.ns2 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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echo_i "fetching secondary 2 copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.3 axfr > dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "comparing post-update copies to known good data ($n)"
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ret=0
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digcomp knowngood.after1 dig.out.ns1 || ret=1
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digcomp knowngood.after1 dig.out.ns2 || ret=1
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digcomp knowngood.after1 dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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echo_i "checking 'forwarding update for zone' is logged ($n)"
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ret=0
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grep "forwarding update for zone 'example/IN'" ns3/named.run > /dev/null || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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if $FEATURETEST --enable-dnstap
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then
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echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
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ret=0
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capture_dnstap
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uq_equals_ur || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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fi
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echo_i "updating zone (unsigned) ($n)"
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ret=0
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$NSUPDATE -- - <<EOF || ret=1
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local 10.53.0.1
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server 10.53.0.3 ${PORT}
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update add unsigned.example. 600 A 10.10.10.1
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update add unsigned.example. 600 TXT Foo
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send
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EOF
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "sleeping 15 seconds for server to incorporate changes"
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sleep 15
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echo_i "fetching primary copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.1 axfr > dig.out.ns1 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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echo_i "fetching secondary 1 copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.2 axfr > dig.out.ns2 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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echo_i "fetching secondary 2 copy of zone after update ($n)"
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ret=0
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$DIG $DIGOPTS example.\
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@10.53.0.3 axfr > dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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echo_i "comparing post-update copies to known good data ($n)"
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ret=0
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digcomp knowngood.after2 dig.out.ns1 || ret=1
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digcomp knowngood.after2 dig.out.ns2 || ret=1
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digcomp knowngood.after2 dig.out.ns3 || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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if $FEATURETEST --enable-dnstap
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then
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echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
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ret=0
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capture_dnstap
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uq_equals_ur || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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fi
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n=`expr $n + 1`
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echo_i "checking update forwarding to dead primary ($n)"
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count=0
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ret=0
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while [ $count -lt 5 -a $ret -eq 0 ]
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do
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(
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$NSUPDATE -- - <<EOF
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local 10.53.0.1
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server 10.53.0.3 ${PORT}
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zone noprimary
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update add unsigned.noprimary. 600 A 10.10.10.1
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update add unsigned.noprimary. 600 TXT Foo
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send
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EOF
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) > /dev/null 2>&1 &
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$DIG -p ${PORT} +noadd +notcp +noauth noprimary. @10.53.0.3 soa > dig.out.ns3 || ret=1
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grep "status: NOERROR" dig.out.ns3 > /dev/null || ret=1
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count=`expr $count + 1`
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done
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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if $FEATURETEST --enable-dnstap
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then
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echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
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ret=0
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capture_dnstap
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uq_equals_ur && ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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fi
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if test -f keyname
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then
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echo_i "checking update forwarding to with sig0 ($n)"
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ret=0
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keyname=`cat keyname`
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$NSUPDATE -k $keyname.private -- - <<EOF
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local 10.53.0.1
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server 10.53.0.3 ${PORT}
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zone example2
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update add unsigned.example2. 600 A 10.10.10.1
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update add unsigned.example2. 600 TXT Foo
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send
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EOF
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$DIG -p ${PORT} unsigned.example2 A @10.53.0.1 > dig.out.ns1.test$n
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grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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if $FEATURETEST --enable-dnstap
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then
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echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
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ret=0
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capture_dnstap
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uq_equals_ur || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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fi
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fi
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echo_i "attempting an update that should be rejected by ACL ($n)"
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ret=0
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{
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$NSUPDATE -- - << EOF
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local 10.53.0.2
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server 10.53.0.3 ${PORT}
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update add another.unsigned.example. 600 A 10.10.10.2
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update add another.unsigned.example. 600 TXT Bar
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send
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EOF
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} > nsupdate.out.$n 2>&1
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grep REFUSED nsupdate.out.$n > /dev/null || ret=1
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if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
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n=`expr $n + 1`
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n=$((n + 1))
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ret=0
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echo_i "attempting updates that should exceed quota ($n)"
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# lower the update quota to 1.
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copy_setports ns3/named2.conf.in ns3/named.conf
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rndc_reconfig ns3 10.53.0.3
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nextpart ns3/named.run > /dev/null
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for loop in 1 2 3 4 5 6 7 8 9 10; do
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{
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$NSUPDATE -- - > /dev/null 2>&1 <<END
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local 10.53.0.1
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server 10.53.0.3 ${PORT}
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update add txt-$loop.unsigned.example 300 IN TXT Whatever
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send
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END
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} &
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done
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wait_for_log 10 "too many DNS UPDATEs queued" ns3/named.run || ret=1
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[ $ret = 0 ] || { echo_i "failed"; status=1; }
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echo_i "exit status: $status"
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[ $status -eq 0 ] || exit 1
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